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, 2011 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 )
316 assert( dst != NULL );
317 assert( src != NULL );
320 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
321 if( i == count && dst[count-1] != NULLCHAR)
323 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
324 if(appData.debugMode)
325 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst,count);
331 /* Some compiler can't cast u64 to double
332 * This function do the job for us:
334 * We use the highest bit for cast, this only
335 * works if the highest bit is not
336 * in use (This should not happen)
338 * We used this for all compiler
341 u64ToDouble(u64 value)
344 u64 tmp = value & u64Const(0x7fffffffffffffff);
345 r = (double)(s64)tmp;
346 if (value & u64Const(0x8000000000000000))
347 r += 9.2233720368547758080e18; /* 2^63 */
351 /* Fake up flags for now, as we aren't keeping track of castling
352 availability yet. [HGM] Change of logic: the flag now only
353 indicates the type of castlings allowed by the rule of the game.
354 The actual rights themselves are maintained in the array
355 castlingRights, as part of the game history, and are not probed
361 int flags = F_ALL_CASTLE_OK;
362 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
363 switch (gameInfo.variant) {
365 flags &= ~F_ALL_CASTLE_OK;
366 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
367 flags |= F_IGNORE_CHECK;
369 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
372 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
374 case VariantKriegspiel:
375 flags |= F_KRIEGSPIEL_CAPTURE;
377 case VariantCapaRandom:
378 case VariantFischeRandom:
379 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
380 case VariantNoCastle:
381 case VariantShatranj:
384 flags &= ~F_ALL_CASTLE_OK;
392 FILE *gameFileFP, *debugFP;
395 [AS] Note: sometimes, the sscanf() function is used to parse the input
396 into a fixed-size buffer. Because of this, we must be prepared to
397 receive strings as long as the size of the input buffer, which is currently
398 set to 4K for Windows and 8K for the rest.
399 So, we must either allocate sufficiently large buffers here, or
400 reduce the size of the input buffer in the input reading part.
403 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
404 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
405 char thinkOutput1[MSG_SIZ*10];
407 ChessProgramState first, second;
409 /* premove variables */
412 int premoveFromX = 0;
413 int premoveFromY = 0;
414 int premovePromoChar = 0;
416 Boolean alarmSounded;
417 /* end premove variables */
419 char *ics_prefix = "$";
420 int ics_type = ICS_GENERIC;
422 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
423 int pauseExamForwardMostMove = 0;
424 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
425 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
426 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
427 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
428 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
429 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
430 int whiteFlag = FALSE, blackFlag = FALSE;
431 int userOfferedDraw = FALSE;
432 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
433 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
434 int cmailMoveType[CMAIL_MAX_GAMES];
435 long ics_clock_paused = 0;
436 ProcRef icsPR = NoProc, cmailPR = NoProc;
437 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
438 GameMode gameMode = BeginningOfGame;
439 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
440 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
441 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
442 int hiddenThinkOutputState = 0; /* [AS] */
443 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
444 int adjudicateLossPlies = 6;
445 char white_holding[64], black_holding[64];
446 TimeMark lastNodeCountTime;
447 long lastNodeCount=0;
448 int shiftKey; // [HGM] set by mouse handler
450 int have_sent_ICS_logon = 0;
452 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
453 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
454 long timeControl_2; /* [AS] Allow separate time controls */
455 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
456 long timeRemaining[2][MAX_MOVES];
458 TimeMark programStartTime;
459 char ics_handle[MSG_SIZ];
460 int have_set_title = 0;
462 /* animateTraining preserves the state of appData.animate
463 * when Training mode is activated. This allows the
464 * response to be animated when appData.animate == TRUE and
465 * appData.animateDragging == TRUE.
467 Boolean animateTraining;
473 Board boards[MAX_MOVES];
474 /* [HGM] Following 7 needed for accurate legality tests: */
475 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
476 signed char initialRights[BOARD_FILES];
477 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
478 int initialRulePlies, FENrulePlies;
479 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
482 int mute; // mute all sounds
484 // [HGM] vari: next 12 to save and restore variations
485 #define MAX_VARIATIONS 10
486 int framePtr = MAX_MOVES-1; // points to free stack entry
488 int savedFirst[MAX_VARIATIONS];
489 int savedLast[MAX_VARIATIONS];
490 int savedFramePtr[MAX_VARIATIONS];
491 char *savedDetails[MAX_VARIATIONS];
492 ChessMove savedResult[MAX_VARIATIONS];
494 void PushTail P((int firstMove, int lastMove));
495 Boolean PopTail P((Boolean annotate));
496 void CleanupTail P((void));
498 ChessSquare FIDEArray[2][BOARD_FILES] = {
499 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
500 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
501 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
502 BlackKing, BlackBishop, BlackKnight, BlackRook }
505 ChessSquare twoKingsArray[2][BOARD_FILES] = {
506 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
507 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
508 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
509 BlackKing, BlackKing, BlackKnight, BlackRook }
512 ChessSquare KnightmateArray[2][BOARD_FILES] = {
513 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
514 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
515 { BlackRook, BlackMan, BlackBishop, BlackQueen,
516 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
519 ChessSquare SpartanArray[2][BOARD_FILES] = {
520 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
521 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
522 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
523 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
526 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
527 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
528 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
529 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
530 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
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 */
964 case VariantSChess: /* S-Chess, should work */
965 case VariantSpartan: /* should work */
970 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
971 InitEngineUCI( installDir, &second );
974 int NextIntegerFromString( char ** str, long * value )
979 while( *s == ' ' || *s == '\t' ) {
985 if( *s >= '0' && *s <= '9' ) {
986 while( *s >= '0' && *s <= '9' ) {
987 *value = *value * 10 + (*s - '0');
999 int NextTimeControlFromString( char ** str, long * value )
1002 int result = NextIntegerFromString( str, &temp );
1005 *value = temp * 60; /* Minutes */
1006 if( **str == ':' ) {
1008 result = NextIntegerFromString( str, &temp );
1009 *value += temp; /* Seconds */
1016 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1017 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1018 int result = -1, type = 0; long temp, temp2;
1020 if(**str != ':') return -1; // old params remain in force!
1022 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1023 if( NextIntegerFromString( str, &temp ) ) return -1;
1024 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1027 /* time only: incremental or sudden-death time control */
1028 if(**str == '+') { /* increment follows; read it */
1030 if(**str == '!') type = *(*str)++; // Bronstein TC
1031 if(result = NextIntegerFromString( str, &temp2)) return -1;
1032 *inc = temp2 * 1000;
1033 if(**str == '.') { // read fraction of increment
1034 char *start = ++(*str);
1035 if(result = NextIntegerFromString( str, &temp2)) return -1;
1037 while(start++ < *str) temp2 /= 10;
1041 *moves = 0; *tc = temp * 1000; *incType = type;
1045 (*str)++; /* classical time control */
1046 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1057 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1058 { /* [HGM] get time to add from the multi-session time-control string */
1059 int incType, moves=1; /* kludge to force reading of first session */
1060 long time, increment;
1063 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1064 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1066 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1067 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1068 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1069 if(movenr == -1) return time; /* last move before new session */
1070 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1071 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1072 if(!moves) return increment; /* current session is incremental */
1073 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1074 } while(movenr >= -1); /* try again for next session */
1076 return 0; // no new time quota on this move
1080 ParseTimeControl(tc, ti, mps)
1087 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1090 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1091 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1092 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1096 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1098 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1101 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1103 snprintf(buf, MSG_SIZ, ":%s", mytc);
1105 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1107 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1112 /* Parse second time control */
1115 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1123 timeControl_2 = tc2 * 1000;
1133 timeControl = tc1 * 1000;
1136 timeIncrement = ti * 1000; /* convert to ms */
1137 movesPerSession = 0;
1140 movesPerSession = mps;
1148 if (appData.debugMode) {
1149 fprintf(debugFP, "%s\n", programVersion);
1152 set_cont_sequence(appData.wrapContSeq);
1153 if (appData.matchGames > 0) {
1154 appData.matchMode = TRUE;
1155 } else if (appData.matchMode) {
1156 appData.matchGames = 1;
1158 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1159 appData.matchGames = appData.sameColorGames;
1160 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1161 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1162 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1165 if (appData.noChessProgram || first.protocolVersion == 1) {
1168 /* kludge: allow timeout for initial "feature" commands */
1170 DisplayMessage("", _("Starting chess program"));
1171 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1176 InitBackEnd3 P((void))
1178 GameMode initialMode;
1182 InitChessProgram(&first, startedFromSetupPosition);
1184 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1185 free(programVersion);
1186 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1187 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1190 if (appData.icsActive) {
1192 /* [DM] Make a console window if needed [HGM] merged ifs */
1198 if (*appData.icsCommPort != NULLCHAR)
1199 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1200 appData.icsCommPort);
1202 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1203 appData.icsHost, appData.icsPort);
1205 if( (len > MSG_SIZ) && appData.debugMode )
1206 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1208 DisplayFatalError(buf, err, 1);
1213 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1215 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1216 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1217 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1218 } else if (appData.noChessProgram) {
1224 if (*appData.cmailGameName != NULLCHAR) {
1226 OpenLoopback(&cmailPR);
1228 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1232 DisplayMessage("", "");
1233 if (StrCaseCmp(appData.initialMode, "") == 0) {
1234 initialMode = BeginningOfGame;
1235 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1236 initialMode = TwoMachinesPlay;
1237 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1238 initialMode = AnalyzeFile;
1239 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1240 initialMode = AnalyzeMode;
1241 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1242 initialMode = MachinePlaysWhite;
1243 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1244 initialMode = MachinePlaysBlack;
1245 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1246 initialMode = EditGame;
1247 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1248 initialMode = EditPosition;
1249 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1250 initialMode = Training;
1252 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1253 if( (len > MSG_SIZ) && appData.debugMode )
1254 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1256 DisplayFatalError(buf, 0, 2);
1260 if (appData.matchMode) {
1261 /* Set up machine vs. machine match */
1262 if (appData.noChessProgram) {
1263 DisplayFatalError(_("Can't have a match with no chess programs"),
1269 if (*appData.loadGameFile != NULLCHAR) {
1270 int index = appData.loadGameIndex; // [HGM] autoinc
1271 if(index<0) lastIndex = index = 1;
1272 if (!LoadGameFromFile(appData.loadGameFile,
1274 appData.loadGameFile, FALSE)) {
1275 DisplayFatalError(_("Bad game file"), 0, 1);
1278 } else if (*appData.loadPositionFile != NULLCHAR) {
1279 int index = appData.loadPositionIndex; // [HGM] autoinc
1280 if(index<0) lastIndex = index = 1;
1281 if (!LoadPositionFromFile(appData.loadPositionFile,
1283 appData.loadPositionFile)) {
1284 DisplayFatalError(_("Bad position file"), 0, 1);
1289 } else if (*appData.cmailGameName != NULLCHAR) {
1290 /* Set up cmail mode */
1291 ReloadCmailMsgEvent(TRUE);
1293 /* Set up other modes */
1294 if (initialMode == AnalyzeFile) {
1295 if (*appData.loadGameFile == NULLCHAR) {
1296 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1300 if (*appData.loadGameFile != NULLCHAR) {
1301 (void) LoadGameFromFile(appData.loadGameFile,
1302 appData.loadGameIndex,
1303 appData.loadGameFile, TRUE);
1304 } else if (*appData.loadPositionFile != NULLCHAR) {
1305 (void) LoadPositionFromFile(appData.loadPositionFile,
1306 appData.loadPositionIndex,
1307 appData.loadPositionFile);
1308 /* [HGM] try to make self-starting even after FEN load */
1309 /* to allow automatic setup of fairy variants with wtm */
1310 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1311 gameMode = BeginningOfGame;
1312 setboardSpoiledMachineBlack = 1;
1314 /* [HGM] loadPos: make that every new game uses the setup */
1315 /* from file as long as we do not switch variant */
1316 if(!blackPlaysFirst) {
1317 startedFromPositionFile = TRUE;
1318 CopyBoard(filePosition, boards[0]);
1321 if (initialMode == AnalyzeMode) {
1322 if (appData.noChessProgram) {
1323 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1326 if (appData.icsActive) {
1327 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1331 } else if (initialMode == AnalyzeFile) {
1332 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1333 ShowThinkingEvent();
1335 AnalysisPeriodicEvent(1);
1336 } else if (initialMode == MachinePlaysWhite) {
1337 if (appData.noChessProgram) {
1338 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1342 if (appData.icsActive) {
1343 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1347 MachineWhiteEvent();
1348 } else if (initialMode == MachinePlaysBlack) {
1349 if (appData.noChessProgram) {
1350 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1354 if (appData.icsActive) {
1355 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1359 MachineBlackEvent();
1360 } else if (initialMode == TwoMachinesPlay) {
1361 if (appData.noChessProgram) {
1362 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1366 if (appData.icsActive) {
1367 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1372 } else if (initialMode == EditGame) {
1374 } else if (initialMode == EditPosition) {
1375 EditPositionEvent();
1376 } else if (initialMode == Training) {
1377 if (*appData.loadGameFile == NULLCHAR) {
1378 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1387 * Establish will establish a contact to a remote host.port.
1388 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1389 * used to talk to the host.
1390 * Returns 0 if okay, error code if not.
1397 if (*appData.icsCommPort != NULLCHAR) {
1398 /* Talk to the host through a serial comm port */
1399 return OpenCommPort(appData.icsCommPort, &icsPR);
1401 } else if (*appData.gateway != NULLCHAR) {
1402 if (*appData.remoteShell == NULLCHAR) {
1403 /* Use the rcmd protocol to run telnet program on a gateway host */
1404 snprintf(buf, sizeof(buf), "%s %s %s",
1405 appData.telnetProgram, appData.icsHost, appData.icsPort);
1406 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1409 /* Use the rsh program to run telnet program on a gateway host */
1410 if (*appData.remoteUser == NULLCHAR) {
1411 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1412 appData.gateway, appData.telnetProgram,
1413 appData.icsHost, appData.icsPort);
1415 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1416 appData.remoteShell, appData.gateway,
1417 appData.remoteUser, appData.telnetProgram,
1418 appData.icsHost, appData.icsPort);
1420 return StartChildProcess(buf, "", &icsPR);
1423 } else if (appData.useTelnet) {
1424 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1427 /* TCP socket interface differs somewhat between
1428 Unix and NT; handle details in the front end.
1430 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1434 void EscapeExpand(char *p, char *q)
1435 { // [HGM] initstring: routine to shape up string arguments
1436 while(*p++ = *q++) if(p[-1] == '\\')
1438 case 'n': p[-1] = '\n'; break;
1439 case 'r': p[-1] = '\r'; break;
1440 case 't': p[-1] = '\t'; break;
1441 case '\\': p[-1] = '\\'; break;
1442 case 0: *p = 0; return;
1443 default: p[-1] = q[-1]; break;
1448 show_bytes(fp, buf, count)
1454 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1455 fprintf(fp, "\\%03o", *buf & 0xff);
1464 /* Returns an errno value */
1466 OutputMaybeTelnet(pr, message, count, outError)
1472 char buf[8192], *p, *q, *buflim;
1473 int left, newcount, outcount;
1475 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1476 *appData.gateway != NULLCHAR) {
1477 if (appData.debugMode) {
1478 fprintf(debugFP, ">ICS: ");
1479 show_bytes(debugFP, message, count);
1480 fprintf(debugFP, "\n");
1482 return OutputToProcess(pr, message, count, outError);
1485 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1492 if (appData.debugMode) {
1493 fprintf(debugFP, ">ICS: ");
1494 show_bytes(debugFP, buf, newcount);
1495 fprintf(debugFP, "\n");
1497 outcount = OutputToProcess(pr, buf, newcount, outError);
1498 if (outcount < newcount) return -1; /* to be sure */
1505 } else if (((unsigned char) *p) == TN_IAC) {
1506 *q++ = (char) TN_IAC;
1513 if (appData.debugMode) {
1514 fprintf(debugFP, ">ICS: ");
1515 show_bytes(debugFP, buf, newcount);
1516 fprintf(debugFP, "\n");
1518 outcount = OutputToProcess(pr, buf, newcount, outError);
1519 if (outcount < newcount) return -1; /* to be sure */
1524 read_from_player(isr, closure, message, count, error)
1531 int outError, outCount;
1532 static int gotEof = 0;
1534 /* Pass data read from player on to ICS */
1537 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1538 if (outCount < count) {
1539 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1541 } else if (count < 0) {
1542 RemoveInputSource(isr);
1543 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1544 } else if (gotEof++ > 0) {
1545 RemoveInputSource(isr);
1546 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1552 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1553 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1554 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1555 SendToICS("date\n");
1556 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1559 /* added routine for printf style output to ics */
1560 void ics_printf(char *format, ...)
1562 char buffer[MSG_SIZ];
1565 va_start(args, format);
1566 vsnprintf(buffer, sizeof(buffer), format, args);
1567 buffer[sizeof(buffer)-1] = '\0';
1576 int count, outCount, outError;
1578 if (icsPR == NULL) return;
1581 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1582 if (outCount < count) {
1583 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1587 /* This is used for sending logon scripts to the ICS. Sending
1588 without a delay causes problems when using timestamp on ICC
1589 (at least on my machine). */
1591 SendToICSDelayed(s,msdelay)
1595 int count, outCount, outError;
1597 if (icsPR == NULL) return;
1600 if (appData.debugMode) {
1601 fprintf(debugFP, ">ICS: ");
1602 show_bytes(debugFP, s, count);
1603 fprintf(debugFP, "\n");
1605 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1607 if (outCount < count) {
1608 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1613 /* Remove all highlighting escape sequences in s
1614 Also deletes any suffix starting with '('
1617 StripHighlightAndTitle(s)
1620 static char retbuf[MSG_SIZ];
1623 while (*s != NULLCHAR) {
1624 while (*s == '\033') {
1625 while (*s != NULLCHAR && !isalpha(*s)) s++;
1626 if (*s != NULLCHAR) s++;
1628 while (*s != NULLCHAR && *s != '\033') {
1629 if (*s == '(' || *s == '[') {
1640 /* Remove all highlighting escape sequences in s */
1645 static char retbuf[MSG_SIZ];
1648 while (*s != NULLCHAR) {
1649 while (*s == '\033') {
1650 while (*s != NULLCHAR && !isalpha(*s)) s++;
1651 if (*s != NULLCHAR) s++;
1653 while (*s != NULLCHAR && *s != '\033') {
1661 char *variantNames[] = VARIANT_NAMES;
1666 return variantNames[v];
1670 /* Identify a variant from the strings the chess servers use or the
1671 PGN Variant tag names we use. */
1678 VariantClass v = VariantNormal;
1679 int i, found = FALSE;
1685 /* [HGM] skip over optional board-size prefixes */
1686 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1687 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1688 while( *e++ != '_');
1691 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1695 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1696 if (StrCaseStr(e, variantNames[i])) {
1697 v = (VariantClass) i;
1704 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1705 || StrCaseStr(e, "wild/fr")
1706 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1707 v = VariantFischeRandom;
1708 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1709 (i = 1, p = StrCaseStr(e, "w"))) {
1711 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1718 case 0: /* FICS only, actually */
1720 /* Castling legal even if K starts on d-file */
1721 v = VariantWildCastle;
1726 /* Castling illegal even if K & R happen to start in
1727 normal positions. */
1728 v = VariantNoCastle;
1741 /* Castling legal iff K & R start in normal positions */
1747 /* Special wilds for position setup; unclear what to do here */
1748 v = VariantLoadable;
1751 /* Bizarre ICC game */
1752 v = VariantTwoKings;
1755 v = VariantKriegspiel;
1761 v = VariantFischeRandom;
1764 v = VariantCrazyhouse;
1767 v = VariantBughouse;
1773 /* Not quite the same as FICS suicide! */
1774 v = VariantGiveaway;
1780 v = VariantShatranj;
1783 /* Temporary names for future ICC types. The name *will* change in
1784 the next xboard/WinBoard release after ICC defines it. */
1822 v = VariantCapablanca;
1825 v = VariantKnightmate;
1831 v = VariantCylinder;
1837 v = VariantCapaRandom;
1840 v = VariantBerolina;
1852 /* Found "wild" or "w" in the string but no number;
1853 must assume it's normal chess. */
1857 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
1858 if( (len > MSG_SIZ) && appData.debugMode )
1859 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
1861 DisplayError(buf, 0);
1867 if (appData.debugMode) {
1868 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1869 e, wnum, VariantName(v));
1874 static int leftover_start = 0, leftover_len = 0;
1875 char star_match[STAR_MATCH_N][MSG_SIZ];
1877 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1878 advance *index beyond it, and set leftover_start to the new value of
1879 *index; else return FALSE. If pattern contains the character '*', it
1880 matches any sequence of characters not containing '\r', '\n', or the
1881 character following the '*' (if any), and the matched sequence(s) are
1882 copied into star_match.
1885 looking_at(buf, index, pattern)
1890 char *bufp = &buf[*index], *patternp = pattern;
1892 char *matchp = star_match[0];
1895 if (*patternp == NULLCHAR) {
1896 *index = leftover_start = bufp - buf;
1900 if (*bufp == NULLCHAR) return FALSE;
1901 if (*patternp == '*') {
1902 if (*bufp == *(patternp + 1)) {
1904 matchp = star_match[++star_count];
1908 } else if (*bufp == '\n' || *bufp == '\r') {
1910 if (*patternp == NULLCHAR)
1915 *matchp++ = *bufp++;
1919 if (*patternp != *bufp) return FALSE;
1926 SendToPlayer(data, length)
1930 int error, outCount;
1931 outCount = OutputToProcess(NoProc, data, length, &error);
1932 if (outCount < length) {
1933 DisplayFatalError(_("Error writing to display"), error, 1);
1938 PackHolding(packed, holding)
1950 switch (runlength) {
1961 sprintf(q, "%d", runlength);
1973 /* Telnet protocol requests from the front end */
1975 TelnetRequest(ddww, option)
1976 unsigned char ddww, option;
1978 unsigned char msg[3];
1979 int outCount, outError;
1981 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1983 if (appData.debugMode) {
1984 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2000 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2009 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2012 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2017 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2019 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2026 if (!appData.icsActive) return;
2027 TelnetRequest(TN_DO, TN_ECHO);
2033 if (!appData.icsActive) return;
2034 TelnetRequest(TN_DONT, TN_ECHO);
2038 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2040 /* put the holdings sent to us by the server on the board holdings area */
2041 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2045 if(gameInfo.holdingsWidth < 2) return;
2046 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2047 return; // prevent overwriting by pre-board holdings
2049 if( (int)lowestPiece >= BlackPawn ) {
2052 holdingsStartRow = BOARD_HEIGHT-1;
2055 holdingsColumn = BOARD_WIDTH-1;
2056 countsColumn = BOARD_WIDTH-2;
2057 holdingsStartRow = 0;
2061 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2062 board[i][holdingsColumn] = EmptySquare;
2063 board[i][countsColumn] = (ChessSquare) 0;
2065 while( (p=*holdings++) != NULLCHAR ) {
2066 piece = CharToPiece( ToUpper(p) );
2067 if(piece == EmptySquare) continue;
2068 /*j = (int) piece - (int) WhitePawn;*/
2069 j = PieceToNumber(piece);
2070 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2071 if(j < 0) continue; /* should not happen */
2072 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2073 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2074 board[holdingsStartRow+j*direction][countsColumn]++;
2080 VariantSwitch(Board board, VariantClass newVariant)
2082 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2083 static Board oldBoard;
2085 startedFromPositionFile = FALSE;
2086 if(gameInfo.variant == newVariant) return;
2088 /* [HGM] This routine is called each time an assignment is made to
2089 * gameInfo.variant during a game, to make sure the board sizes
2090 * are set to match the new variant. If that means adding or deleting
2091 * holdings, we shift the playing board accordingly
2092 * This kludge is needed because in ICS observe mode, we get boards
2093 * of an ongoing game without knowing the variant, and learn about the
2094 * latter only later. This can be because of the move list we requested,
2095 * in which case the game history is refilled from the beginning anyway,
2096 * but also when receiving holdings of a crazyhouse game. In the latter
2097 * case we want to add those holdings to the already received position.
2101 if (appData.debugMode) {
2102 fprintf(debugFP, "Switch board from %s to %s\n",
2103 VariantName(gameInfo.variant), VariantName(newVariant));
2104 setbuf(debugFP, NULL);
2106 shuffleOpenings = 0; /* [HGM] shuffle */
2107 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2111 newWidth = 9; newHeight = 9;
2112 gameInfo.holdingsSize = 7;
2113 case VariantBughouse:
2114 case VariantCrazyhouse:
2115 newHoldingsWidth = 2; break;
2119 newHoldingsWidth = 2;
2120 gameInfo.holdingsSize = 8;
2123 case VariantCapablanca:
2124 case VariantCapaRandom:
2127 newHoldingsWidth = gameInfo.holdingsSize = 0;
2130 if(newWidth != gameInfo.boardWidth ||
2131 newHeight != gameInfo.boardHeight ||
2132 newHoldingsWidth != gameInfo.holdingsWidth ) {
2134 /* shift position to new playing area, if needed */
2135 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2136 for(i=0; i<BOARD_HEIGHT; i++)
2137 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2138 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2140 for(i=0; i<newHeight; i++) {
2141 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2142 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2144 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2145 for(i=0; i<BOARD_HEIGHT; i++)
2146 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2147 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2150 gameInfo.boardWidth = newWidth;
2151 gameInfo.boardHeight = newHeight;
2152 gameInfo.holdingsWidth = newHoldingsWidth;
2153 gameInfo.variant = newVariant;
2154 InitDrawingSizes(-2, 0);
2155 } else gameInfo.variant = newVariant;
2156 CopyBoard(oldBoard, board); // remember correctly formatted board
2157 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2158 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2161 static int loggedOn = FALSE;
2163 /*-- Game start info cache: --*/
2165 char gs_kind[MSG_SIZ];
2166 static char player1Name[128] = "";
2167 static char player2Name[128] = "";
2168 static char cont_seq[] = "\n\\ ";
2169 static int player1Rating = -1;
2170 static int player2Rating = -1;
2171 /*----------------------------*/
2173 ColorClass curColor = ColorNormal;
2174 int suppressKibitz = 0;
2177 Boolean soughtPending = FALSE;
2178 Boolean seekGraphUp;
2179 #define MAX_SEEK_ADS 200
2181 char *seekAdList[MAX_SEEK_ADS];
2182 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2183 float tcList[MAX_SEEK_ADS];
2184 char colorList[MAX_SEEK_ADS];
2185 int nrOfSeekAds = 0;
2186 int minRating = 1010, maxRating = 2800;
2187 int hMargin = 10, vMargin = 20, h, w;
2188 extern int squareSize, lineGap;
2193 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2194 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2195 if(r < minRating+100 && r >=0 ) r = minRating+100;
2196 if(r > maxRating) r = maxRating;
2197 if(tc < 1.) tc = 1.;
2198 if(tc > 95.) tc = 95.;
2199 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2200 y = ((double)r - minRating)/(maxRating - minRating)
2201 * (h-vMargin-squareSize/8-1) + vMargin;
2202 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2203 if(strstr(seekAdList[i], " u ")) color = 1;
2204 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2205 !strstr(seekAdList[i], "bullet") &&
2206 !strstr(seekAdList[i], "blitz") &&
2207 !strstr(seekAdList[i], "standard") ) color = 2;
2208 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2209 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2213 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2215 char buf[MSG_SIZ], *ext = "";
2216 VariantClass v = StringToVariant(type);
2217 if(strstr(type, "wild")) {
2218 ext = type + 4; // append wild number
2219 if(v == VariantFischeRandom) type = "chess960"; else
2220 if(v == VariantLoadable) type = "setup"; else
2221 type = VariantName(v);
2223 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2224 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2225 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2226 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2227 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2228 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2229 seekNrList[nrOfSeekAds] = nr;
2230 zList[nrOfSeekAds] = 0;
2231 seekAdList[nrOfSeekAds++] = StrSave(buf);
2232 if(plot) PlotSeekAd(nrOfSeekAds-1);
2239 int x = xList[i], y = yList[i], d=squareSize/4, k;
2240 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2241 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2242 // now replot every dot that overlapped
2243 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2244 int xx = xList[k], yy = yList[k];
2245 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2246 DrawSeekDot(xx, yy, colorList[k]);
2251 RemoveSeekAd(int nr)
2254 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2256 if(seekAdList[i]) free(seekAdList[i]);
2257 seekAdList[i] = seekAdList[--nrOfSeekAds];
2258 seekNrList[i] = seekNrList[nrOfSeekAds];
2259 ratingList[i] = ratingList[nrOfSeekAds];
2260 colorList[i] = colorList[nrOfSeekAds];
2261 tcList[i] = tcList[nrOfSeekAds];
2262 xList[i] = xList[nrOfSeekAds];
2263 yList[i] = yList[nrOfSeekAds];
2264 zList[i] = zList[nrOfSeekAds];
2265 seekAdList[nrOfSeekAds] = NULL;
2271 MatchSoughtLine(char *line)
2273 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2274 int nr, base, inc, u=0; char dummy;
2276 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2277 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2279 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2280 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2281 // match: compact and save the line
2282 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2292 if(!seekGraphUp) return FALSE;
2293 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2294 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2296 DrawSeekBackground(0, 0, w, h);
2297 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2298 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2299 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2300 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2302 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2305 snprintf(buf, MSG_SIZ, "%d", i);
2306 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2309 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2310 for(i=1; i<100; i+=(i<10?1:5)) {
2311 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2312 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2313 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2315 snprintf(buf, MSG_SIZ, "%d", i);
2316 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2319 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2323 int SeekGraphClick(ClickType click, int x, int y, int moving)
2325 static int lastDown = 0, displayed = 0, lastSecond;
2326 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2327 if(click == Release || moving) return FALSE;
2329 soughtPending = TRUE;
2330 SendToICS(ics_prefix);
2331 SendToICS("sought\n"); // should this be "sought all"?
2332 } else { // issue challenge based on clicked ad
2333 int dist = 10000; int i, closest = 0, second = 0;
2334 for(i=0; i<nrOfSeekAds; i++) {
2335 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2336 if(d < dist) { dist = d; closest = i; }
2337 second += (d - zList[i] < 120); // count in-range ads
2338 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2342 second = (second > 1);
2343 if(displayed != closest || second != lastSecond) {
2344 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2345 lastSecond = second; displayed = closest;
2347 if(click == Press) {
2348 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2351 } // on press 'hit', only show info
2352 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2353 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2354 SendToICS(ics_prefix);
2356 return TRUE; // let incoming board of started game pop down the graph
2357 } else if(click == Release) { // release 'miss' is ignored
2358 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2359 if(moving == 2) { // right up-click
2360 nrOfSeekAds = 0; // refresh graph
2361 soughtPending = TRUE;
2362 SendToICS(ics_prefix);
2363 SendToICS("sought\n"); // should this be "sought all"?
2366 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2367 // press miss or release hit 'pop down' seek graph
2368 seekGraphUp = FALSE;
2369 DrawPosition(TRUE, NULL);
2375 read_from_ics(isr, closure, data, count, error)
2382 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2383 #define STARTED_NONE 0
2384 #define STARTED_MOVES 1
2385 #define STARTED_BOARD 2
2386 #define STARTED_OBSERVE 3
2387 #define STARTED_HOLDINGS 4
2388 #define STARTED_CHATTER 5
2389 #define STARTED_COMMENT 6
2390 #define STARTED_MOVES_NOHIDE 7
2392 static int started = STARTED_NONE;
2393 static char parse[20000];
2394 static int parse_pos = 0;
2395 static char buf[BUF_SIZE + 1];
2396 static int firstTime = TRUE, intfSet = FALSE;
2397 static ColorClass prevColor = ColorNormal;
2398 static int savingComment = FALSE;
2399 static int cmatch = 0; // continuation sequence match
2406 int backup; /* [DM] For zippy color lines */
2408 char talker[MSG_SIZ]; // [HGM] chat
2411 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2413 if (appData.debugMode) {
2415 fprintf(debugFP, "<ICS: ");
2416 show_bytes(debugFP, data, count);
2417 fprintf(debugFP, "\n");
2421 if (appData.debugMode) { int f = forwardMostMove;
2422 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2423 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2424 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2427 /* If last read ended with a partial line that we couldn't parse,
2428 prepend it to the new read and try again. */
2429 if (leftover_len > 0) {
2430 for (i=0; i<leftover_len; i++)
2431 buf[i] = buf[leftover_start + i];
2434 /* copy new characters into the buffer */
2435 bp = buf + leftover_len;
2436 buf_len=leftover_len;
2437 for (i=0; i<count; i++)
2440 if (data[i] == '\r')
2443 // join lines split by ICS?
2444 if (!appData.noJoin)
2447 Joining just consists of finding matches against the
2448 continuation sequence, and discarding that sequence
2449 if found instead of copying it. So, until a match
2450 fails, there's nothing to do since it might be the
2451 complete sequence, and thus, something we don't want
2454 if (data[i] == cont_seq[cmatch])
2457 if (cmatch == strlen(cont_seq))
2459 cmatch = 0; // complete match. just reset the counter
2462 it's possible for the ICS to not include the space
2463 at the end of the last word, making our [correct]
2464 join operation fuse two separate words. the server
2465 does this when the space occurs at the width setting.
2467 if (!buf_len || buf[buf_len-1] != ' ')
2478 match failed, so we have to copy what matched before
2479 falling through and copying this character. In reality,
2480 this will only ever be just the newline character, but
2481 it doesn't hurt to be precise.
2483 strncpy(bp, cont_seq, cmatch);
2495 buf[buf_len] = NULLCHAR;
2496 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2501 while (i < buf_len) {
2502 /* Deal with part of the TELNET option negotiation
2503 protocol. We refuse to do anything beyond the
2504 defaults, except that we allow the WILL ECHO option,
2505 which ICS uses to turn off password echoing when we are
2506 directly connected to it. We reject this option
2507 if localLineEditing mode is on (always on in xboard)
2508 and we are talking to port 23, which might be a real
2509 telnet server that will try to keep WILL ECHO on permanently.
2511 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2512 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2513 unsigned char option;
2515 switch ((unsigned char) buf[++i]) {
2517 if (appData.debugMode)
2518 fprintf(debugFP, "\n<WILL ");
2519 switch (option = (unsigned char) buf[++i]) {
2521 if (appData.debugMode)
2522 fprintf(debugFP, "ECHO ");
2523 /* Reply only if this is a change, according
2524 to the protocol rules. */
2525 if (remoteEchoOption) break;
2526 if (appData.localLineEditing &&
2527 atoi(appData.icsPort) == TN_PORT) {
2528 TelnetRequest(TN_DONT, TN_ECHO);
2531 TelnetRequest(TN_DO, TN_ECHO);
2532 remoteEchoOption = TRUE;
2536 if (appData.debugMode)
2537 fprintf(debugFP, "%d ", option);
2538 /* Whatever this is, we don't want it. */
2539 TelnetRequest(TN_DONT, option);
2544 if (appData.debugMode)
2545 fprintf(debugFP, "\n<WONT ");
2546 switch (option = (unsigned char) buf[++i]) {
2548 if (appData.debugMode)
2549 fprintf(debugFP, "ECHO ");
2550 /* Reply only if this is a change, according
2551 to the protocol rules. */
2552 if (!remoteEchoOption) break;
2554 TelnetRequest(TN_DONT, TN_ECHO);
2555 remoteEchoOption = FALSE;
2558 if (appData.debugMode)
2559 fprintf(debugFP, "%d ", (unsigned char) option);
2560 /* Whatever this is, it must already be turned
2561 off, because we never agree to turn on
2562 anything non-default, so according to the
2563 protocol rules, we don't reply. */
2568 if (appData.debugMode)
2569 fprintf(debugFP, "\n<DO ");
2570 switch (option = (unsigned char) buf[++i]) {
2572 /* Whatever this is, we refuse to do it. */
2573 if (appData.debugMode)
2574 fprintf(debugFP, "%d ", option);
2575 TelnetRequest(TN_WONT, option);
2580 if (appData.debugMode)
2581 fprintf(debugFP, "\n<DONT ");
2582 switch (option = (unsigned char) buf[++i]) {
2584 if (appData.debugMode)
2585 fprintf(debugFP, "%d ", option);
2586 /* Whatever this is, we are already not doing
2587 it, because we never agree to do anything
2588 non-default, so according to the protocol
2589 rules, we don't reply. */
2594 if (appData.debugMode)
2595 fprintf(debugFP, "\n<IAC ");
2596 /* Doubled IAC; pass it through */
2600 if (appData.debugMode)
2601 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2602 /* Drop all other telnet commands on the floor */
2605 if (oldi > next_out)
2606 SendToPlayer(&buf[next_out], oldi - next_out);
2612 /* OK, this at least will *usually* work */
2613 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2617 if (loggedOn && !intfSet) {
2618 if (ics_type == ICS_ICC) {
2619 snprintf(str, MSG_SIZ,
2620 "/set-quietly interface %s\n/set-quietly style 12\n",
2622 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2623 strcat(str, "/set-2 51 1\n/set seek 1\n");
2624 } else if (ics_type == ICS_CHESSNET) {
2625 snprintf(str, MSG_SIZ, "/style 12\n");
2627 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2628 strcat(str, programVersion);
2629 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2630 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2631 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2633 strcat(str, "$iset nohighlight 1\n");
2635 strcat(str, "$iset lock 1\n$style 12\n");
2638 NotifyFrontendLogin();
2642 if (started == STARTED_COMMENT) {
2643 /* Accumulate characters in comment */
2644 parse[parse_pos++] = buf[i];
2645 if (buf[i] == '\n') {
2646 parse[parse_pos] = NULLCHAR;
2647 if(chattingPartner>=0) {
2649 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2650 OutputChatMessage(chattingPartner, mess);
2651 chattingPartner = -1;
2652 next_out = i+1; // [HGM] suppress printing in ICS window
2654 if(!suppressKibitz) // [HGM] kibitz
2655 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2656 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2657 int nrDigit = 0, nrAlph = 0, j;
2658 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2659 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2660 parse[parse_pos] = NULLCHAR;
2661 // try to be smart: if it does not look like search info, it should go to
2662 // ICS interaction window after all, not to engine-output window.
2663 for(j=0; j<parse_pos; j++) { // count letters and digits
2664 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2665 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2666 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2668 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2669 int depth=0; float score;
2670 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2671 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2672 pvInfoList[forwardMostMove-1].depth = depth;
2673 pvInfoList[forwardMostMove-1].score = 100*score;
2675 OutputKibitz(suppressKibitz, parse);
2678 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2679 SendToPlayer(tmp, strlen(tmp));
2681 next_out = i+1; // [HGM] suppress printing in ICS window
2683 started = STARTED_NONE;
2685 /* Don't match patterns against characters in comment */
2690 if (started == STARTED_CHATTER) {
2691 if (buf[i] != '\n') {
2692 /* Don't match patterns against characters in chatter */
2696 started = STARTED_NONE;
2697 if(suppressKibitz) next_out = i+1;
2700 /* Kludge to deal with rcmd protocol */
2701 if (firstTime && looking_at(buf, &i, "\001*")) {
2702 DisplayFatalError(&buf[1], 0, 1);
2708 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2711 if (appData.debugMode)
2712 fprintf(debugFP, "ics_type %d\n", ics_type);
2715 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2716 ics_type = ICS_FICS;
2718 if (appData.debugMode)
2719 fprintf(debugFP, "ics_type %d\n", ics_type);
2722 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2723 ics_type = ICS_CHESSNET;
2725 if (appData.debugMode)
2726 fprintf(debugFP, "ics_type %d\n", ics_type);
2731 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2732 looking_at(buf, &i, "Logging you in as \"*\"") ||
2733 looking_at(buf, &i, "will be \"*\""))) {
2734 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
2738 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2740 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2741 DisplayIcsInteractionTitle(buf);
2742 have_set_title = TRUE;
2745 /* skip finger notes */
2746 if (started == STARTED_NONE &&
2747 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2748 (buf[i] == '1' && buf[i+1] == '0')) &&
2749 buf[i+2] == ':' && buf[i+3] == ' ') {
2750 started = STARTED_CHATTER;
2756 // [HGM] seekgraph: recognize sought lines and end-of-sought message
2757 if(appData.seekGraph) {
2758 if(soughtPending && MatchSoughtLine(buf+i)) {
2759 i = strstr(buf+i, "rated") - buf;
2760 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2761 next_out = leftover_start = i;
2762 started = STARTED_CHATTER;
2763 suppressKibitz = TRUE;
2766 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
2767 && looking_at(buf, &i, "* ads displayed")) {
2768 soughtPending = FALSE;
2773 if(appData.autoRefresh) {
2774 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
2775 int s = (ics_type == ICS_ICC); // ICC format differs
2777 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
2778 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
2779 looking_at(buf, &i, "*% "); // eat prompt
2780 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
2781 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2782 next_out = i; // suppress
2785 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
2786 char *p = star_match[0];
2788 if(seekGraphUp) RemoveSeekAd(atoi(p));
2789 while(*p && *p++ != ' '); // next
2791 looking_at(buf, &i, "*% "); // eat prompt
2792 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2799 /* skip formula vars */
2800 if (started == STARTED_NONE &&
2801 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2802 started = STARTED_CHATTER;
2807 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2808 if (appData.autoKibitz && started == STARTED_NONE &&
2809 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2810 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2811 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
2812 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2813 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2814 suppressKibitz = TRUE;
2815 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2817 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2818 && (gameMode == IcsPlayingWhite)) ||
2819 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2820 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2821 started = STARTED_CHATTER; // own kibitz we simply discard
2823 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2824 parse_pos = 0; parse[0] = NULLCHAR;
2825 savingComment = TRUE;
2826 suppressKibitz = gameMode != IcsObserving ? 2 :
2827 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2831 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
2832 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
2833 && atoi(star_match[0])) {
2834 // suppress the acknowledgements of our own autoKibitz
2836 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2837 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
2838 SendToPlayer(star_match[0], strlen(star_match[0]));
2839 if(looking_at(buf, &i, "*% ")) // eat prompt
2840 suppressKibitz = FALSE;
2844 } // [HGM] kibitz: end of patch
2846 // [HGM] chat: intercept tells by users for which we have an open chat window
2848 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2849 looking_at(buf, &i, "* whispers:") ||
2850 looking_at(buf, &i, "* kibitzes:") ||
2851 looking_at(buf, &i, "* shouts:") ||
2852 looking_at(buf, &i, "* c-shouts:") ||
2853 looking_at(buf, &i, "--> * ") ||
2854 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2855 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
2856 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
2857 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
2859 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2860 chattingPartner = -1;
2862 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2863 for(p=0; p<MAX_CHAT; p++) {
2864 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
2865 talker[0] = '['; strcat(talker, "] ");
2866 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
2867 chattingPartner = p; break;
2870 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
2871 for(p=0; p<MAX_CHAT; p++) {
2872 if(!strcmp("kibitzes", chatPartner[p])) {
2873 talker[0] = '['; strcat(talker, "] ");
2874 chattingPartner = p; break;
2877 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2878 for(p=0; p<MAX_CHAT; p++) {
2879 if(!strcmp("whispers", chatPartner[p])) {
2880 talker[0] = '['; strcat(talker, "] ");
2881 chattingPartner = p; break;
2884 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
2885 if(buf[i-8] == '-' && buf[i-3] == 't')
2886 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
2887 if(!strcmp("c-shouts", chatPartner[p])) {
2888 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
2889 chattingPartner = p; break;
2892 if(chattingPartner < 0)
2893 for(p=0; p<MAX_CHAT; p++) {
2894 if(!strcmp("shouts", chatPartner[p])) {
2895 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
2896 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
2897 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
2898 chattingPartner = p; break;
2902 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2903 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2904 talker[0] = 0; Colorize(ColorTell, FALSE);
2905 chattingPartner = p; break;
2907 if(chattingPartner<0) i = oldi; else {
2908 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
2909 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
2910 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2911 started = STARTED_COMMENT;
2912 parse_pos = 0; parse[0] = NULLCHAR;
2913 savingComment = 3 + chattingPartner; // counts as TRUE
2914 suppressKibitz = TRUE;
2917 } // [HGM] chat: end of patch
2919 if (appData.zippyTalk || appData.zippyPlay) {
2920 /* [DM] Backup address for color zippy lines */
2923 if (loggedOn == TRUE)
2924 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2925 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2927 } // [DM] 'else { ' deleted
2929 /* Regular tells and says */
2930 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2931 looking_at(buf, &i, "* (your partner) tells you: ") ||
2932 looking_at(buf, &i, "* says: ") ||
2933 /* Don't color "message" or "messages" output */
2934 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2935 looking_at(buf, &i, "*. * at *:*: ") ||
2936 looking_at(buf, &i, "--* (*:*): ") ||
2937 /* Message notifications (same color as tells) */
2938 looking_at(buf, &i, "* has left a message ") ||
2939 looking_at(buf, &i, "* just sent you a message:\n") ||
2940 /* Whispers and kibitzes */
2941 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2942 looking_at(buf, &i, "* kibitzes: ") ||
2944 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2946 if (tkind == 1 && strchr(star_match[0], ':')) {
2947 /* Avoid "tells you:" spoofs in channels */
2950 if (star_match[0][0] == NULLCHAR ||
2951 strchr(star_match[0], ' ') ||
2952 (tkind == 3 && strchr(star_match[1], ' '))) {
2953 /* Reject bogus matches */
2956 if (appData.colorize) {
2957 if (oldi > next_out) {
2958 SendToPlayer(&buf[next_out], oldi - next_out);
2963 Colorize(ColorTell, FALSE);
2964 curColor = ColorTell;
2967 Colorize(ColorKibitz, FALSE);
2968 curColor = ColorKibitz;
2971 p = strrchr(star_match[1], '(');
2978 Colorize(ColorChannel1, FALSE);
2979 curColor = ColorChannel1;
2981 Colorize(ColorChannel, FALSE);
2982 curColor = ColorChannel;
2986 curColor = ColorNormal;
2990 if (started == STARTED_NONE && appData.autoComment &&
2991 (gameMode == IcsObserving ||
2992 gameMode == IcsPlayingWhite ||
2993 gameMode == IcsPlayingBlack)) {
2994 parse_pos = i - oldi;
2995 memcpy(parse, &buf[oldi], parse_pos);
2996 parse[parse_pos] = NULLCHAR;
2997 started = STARTED_COMMENT;
2998 savingComment = TRUE;
3000 started = STARTED_CHATTER;
3001 savingComment = FALSE;
3008 if (looking_at(buf, &i, "* s-shouts: ") ||
3009 looking_at(buf, &i, "* c-shouts: ")) {
3010 if (appData.colorize) {
3011 if (oldi > next_out) {
3012 SendToPlayer(&buf[next_out], oldi - next_out);
3015 Colorize(ColorSShout, FALSE);
3016 curColor = ColorSShout;
3019 started = STARTED_CHATTER;
3023 if (looking_at(buf, &i, "--->")) {
3028 if (looking_at(buf, &i, "* shouts: ") ||
3029 looking_at(buf, &i, "--> ")) {
3030 if (appData.colorize) {
3031 if (oldi > next_out) {
3032 SendToPlayer(&buf[next_out], oldi - next_out);
3035 Colorize(ColorShout, FALSE);
3036 curColor = ColorShout;
3039 started = STARTED_CHATTER;
3043 if (looking_at( buf, &i, "Challenge:")) {
3044 if (appData.colorize) {
3045 if (oldi > next_out) {
3046 SendToPlayer(&buf[next_out], oldi - next_out);
3049 Colorize(ColorChallenge, FALSE);
3050 curColor = ColorChallenge;
3056 if (looking_at(buf, &i, "* offers you") ||
3057 looking_at(buf, &i, "* offers to be") ||
3058 looking_at(buf, &i, "* would like to") ||
3059 looking_at(buf, &i, "* requests to") ||
3060 looking_at(buf, &i, "Your opponent offers") ||
3061 looking_at(buf, &i, "Your opponent requests")) {
3063 if (appData.colorize) {
3064 if (oldi > next_out) {
3065 SendToPlayer(&buf[next_out], oldi - next_out);
3068 Colorize(ColorRequest, FALSE);
3069 curColor = ColorRequest;
3074 if (looking_at(buf, &i, "* (*) seeking")) {
3075 if (appData.colorize) {
3076 if (oldi > next_out) {
3077 SendToPlayer(&buf[next_out], oldi - next_out);
3080 Colorize(ColorSeek, FALSE);
3081 curColor = ColorSeek;
3086 if (looking_at(buf, &i, "\\ ")) {
3087 if (prevColor != ColorNormal) {
3088 if (oldi > next_out) {
3089 SendToPlayer(&buf[next_out], oldi - next_out);
3092 Colorize(prevColor, TRUE);
3093 curColor = prevColor;
3095 if (savingComment) {
3096 parse_pos = i - oldi;
3097 memcpy(parse, &buf[oldi], parse_pos);
3098 parse[parse_pos] = NULLCHAR;
3099 started = STARTED_COMMENT;
3100 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3101 chattingPartner = savingComment - 3; // kludge to remember the box
3103 started = STARTED_CHATTER;
3108 if (looking_at(buf, &i, "Black Strength :") ||
3109 looking_at(buf, &i, "<<< style 10 board >>>") ||
3110 looking_at(buf, &i, "<10>") ||
3111 looking_at(buf, &i, "#@#")) {
3112 /* Wrong board style */
3114 SendToICS(ics_prefix);
3115 SendToICS("set style 12\n");
3116 SendToICS(ics_prefix);
3117 SendToICS("refresh\n");
3121 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3123 have_sent_ICS_logon = 1;
3127 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3128 (looking_at(buf, &i, "\n<12> ") ||
3129 looking_at(buf, &i, "<12> "))) {
3131 if (oldi > next_out) {
3132 SendToPlayer(&buf[next_out], oldi - next_out);
3135 started = STARTED_BOARD;
3140 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3141 looking_at(buf, &i, "<b1> ")) {
3142 if (oldi > next_out) {
3143 SendToPlayer(&buf[next_out], oldi - next_out);
3146 started = STARTED_HOLDINGS;
3151 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3153 /* Header for a move list -- first line */
3155 switch (ics_getting_history) {
3159 case BeginningOfGame:
3160 /* User typed "moves" or "oldmoves" while we
3161 were idle. Pretend we asked for these
3162 moves and soak them up so user can step
3163 through them and/or save them.
3166 gameMode = IcsObserving;
3169 ics_getting_history = H_GOT_UNREQ_HEADER;
3171 case EditGame: /*?*/
3172 case EditPosition: /*?*/
3173 /* Should above feature work in these modes too? */
3174 /* For now it doesn't */
3175 ics_getting_history = H_GOT_UNWANTED_HEADER;
3178 ics_getting_history = H_GOT_UNWANTED_HEADER;
3183 /* Is this the right one? */
3184 if (gameInfo.white && gameInfo.black &&
3185 strcmp(gameInfo.white, star_match[0]) == 0 &&
3186 strcmp(gameInfo.black, star_match[2]) == 0) {
3188 ics_getting_history = H_GOT_REQ_HEADER;
3191 case H_GOT_REQ_HEADER:
3192 case H_GOT_UNREQ_HEADER:
3193 case H_GOT_UNWANTED_HEADER:
3194 case H_GETTING_MOVES:
3195 /* Should not happen */
3196 DisplayError(_("Error gathering move list: two headers"), 0);
3197 ics_getting_history = H_FALSE;
3201 /* Save player ratings into gameInfo if needed */
3202 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3203 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3204 (gameInfo.whiteRating == -1 ||
3205 gameInfo.blackRating == -1)) {
3207 gameInfo.whiteRating = string_to_rating(star_match[1]);
3208 gameInfo.blackRating = string_to_rating(star_match[3]);
3209 if (appData.debugMode)
3210 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3211 gameInfo.whiteRating, gameInfo.blackRating);
3216 if (looking_at(buf, &i,
3217 "* * match, initial time: * minute*, increment: * second")) {
3218 /* Header for a move list -- second line */
3219 /* Initial board will follow if this is a wild game */
3220 if (gameInfo.event != NULL) free(gameInfo.event);
3221 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3222 gameInfo.event = StrSave(str);
3223 /* [HGM] we switched variant. Translate boards if needed. */
3224 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3228 if (looking_at(buf, &i, "Move ")) {
3229 /* Beginning of a move list */
3230 switch (ics_getting_history) {
3232 /* Normally should not happen */
3233 /* Maybe user hit reset while we were parsing */
3236 /* Happens if we are ignoring a move list that is not
3237 * the one we just requested. Common if the user
3238 * tries to observe two games without turning off
3241 case H_GETTING_MOVES:
3242 /* Should not happen */
3243 DisplayError(_("Error gathering move list: nested"), 0);
3244 ics_getting_history = H_FALSE;
3246 case H_GOT_REQ_HEADER:
3247 ics_getting_history = H_GETTING_MOVES;
3248 started = STARTED_MOVES;
3250 if (oldi > next_out) {
3251 SendToPlayer(&buf[next_out], oldi - next_out);
3254 case H_GOT_UNREQ_HEADER:
3255 ics_getting_history = H_GETTING_MOVES;
3256 started = STARTED_MOVES_NOHIDE;
3259 case H_GOT_UNWANTED_HEADER:
3260 ics_getting_history = H_FALSE;
3266 if (looking_at(buf, &i, "% ") ||
3267 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3268 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3269 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3270 soughtPending = FALSE;
3274 if(suppressKibitz) next_out = i;
3275 savingComment = FALSE;
3279 case STARTED_MOVES_NOHIDE:
3280 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3281 parse[parse_pos + i - oldi] = NULLCHAR;
3282 ParseGameHistory(parse);
3284 if (appData.zippyPlay && first.initDone) {
3285 FeedMovesToProgram(&first, forwardMostMove);
3286 if (gameMode == IcsPlayingWhite) {
3287 if (WhiteOnMove(forwardMostMove)) {
3288 if (first.sendTime) {
3289 if (first.useColors) {
3290 SendToProgram("black\n", &first);
3292 SendTimeRemaining(&first, TRUE);
3294 if (first.useColors) {
3295 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3297 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3298 first.maybeThinking = TRUE;
3300 if (first.usePlayother) {
3301 if (first.sendTime) {
3302 SendTimeRemaining(&first, TRUE);
3304 SendToProgram("playother\n", &first);
3310 } else if (gameMode == IcsPlayingBlack) {
3311 if (!WhiteOnMove(forwardMostMove)) {
3312 if (first.sendTime) {
3313 if (first.useColors) {
3314 SendToProgram("white\n", &first);
3316 SendTimeRemaining(&first, FALSE);
3318 if (first.useColors) {
3319 SendToProgram("black\n", &first);
3321 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3322 first.maybeThinking = TRUE;
3324 if (first.usePlayother) {
3325 if (first.sendTime) {
3326 SendTimeRemaining(&first, FALSE);
3328 SendToProgram("playother\n", &first);
3337 if (gameMode == IcsObserving && ics_gamenum == -1) {
3338 /* Moves came from oldmoves or moves command
3339 while we weren't doing anything else.
3341 currentMove = forwardMostMove;
3342 ClearHighlights();/*!!could figure this out*/
3343 flipView = appData.flipView;
3344 DrawPosition(TRUE, boards[currentMove]);
3345 DisplayBothClocks();
3346 snprintf(str, MSG_SIZ, "%s vs. %s",
3347 gameInfo.white, gameInfo.black);
3351 /* Moves were history of an active game */
3352 if (gameInfo.resultDetails != NULL) {
3353 free(gameInfo.resultDetails);
3354 gameInfo.resultDetails = NULL;
3357 HistorySet(parseList, backwardMostMove,
3358 forwardMostMove, currentMove-1);
3359 DisplayMove(currentMove - 1);
3360 if (started == STARTED_MOVES) next_out = i;
3361 started = STARTED_NONE;
3362 ics_getting_history = H_FALSE;
3365 case STARTED_OBSERVE:
3366 started = STARTED_NONE;
3367 SendToICS(ics_prefix);
3368 SendToICS("refresh\n");
3374 if(bookHit) { // [HGM] book: simulate book reply
3375 static char bookMove[MSG_SIZ]; // a bit generous?
3377 programStats.nodes = programStats.depth = programStats.time =
3378 programStats.score = programStats.got_only_move = 0;
3379 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3381 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3382 strcat(bookMove, bookHit);
3383 HandleMachineMove(bookMove, &first);
3388 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3389 started == STARTED_HOLDINGS ||
3390 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3391 /* Accumulate characters in move list or board */
3392 parse[parse_pos++] = buf[i];
3395 /* Start of game messages. Mostly we detect start of game
3396 when the first board image arrives. On some versions
3397 of the ICS, though, we need to do a "refresh" after starting
3398 to observe in order to get the current board right away. */
3399 if (looking_at(buf, &i, "Adding game * to observation list")) {
3400 started = STARTED_OBSERVE;
3404 /* Handle auto-observe */
3405 if (appData.autoObserve &&
3406 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3407 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3409 /* Choose the player that was highlighted, if any. */
3410 if (star_match[0][0] == '\033' ||
3411 star_match[1][0] != '\033') {
3412 player = star_match[0];
3414 player = star_match[2];
3416 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3417 ics_prefix, StripHighlightAndTitle(player));
3420 /* Save ratings from notify string */
3421 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3422 player1Rating = string_to_rating(star_match[1]);
3423 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3424 player2Rating = string_to_rating(star_match[3]);
3426 if (appData.debugMode)
3428 "Ratings from 'Game notification:' %s %d, %s %d\n",
3429 player1Name, player1Rating,
3430 player2Name, player2Rating);
3435 /* Deal with automatic examine mode after a game,
3436 and with IcsObserving -> IcsExamining transition */
3437 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3438 looking_at(buf, &i, "has made you an examiner of game *")) {
3440 int gamenum = atoi(star_match[0]);
3441 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3442 gamenum == ics_gamenum) {
3443 /* We were already playing or observing this game;
3444 no need to refetch history */
3445 gameMode = IcsExamining;
3447 pauseExamForwardMostMove = forwardMostMove;
3448 } else if (currentMove < forwardMostMove) {
3449 ForwardInner(forwardMostMove);
3452 /* I don't think this case really can happen */
3453 SendToICS(ics_prefix);
3454 SendToICS("refresh\n");
3459 /* Error messages */
3460 // if (ics_user_moved) {
3461 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3462 if (looking_at(buf, &i, "Illegal move") ||
3463 looking_at(buf, &i, "Not a legal move") ||
3464 looking_at(buf, &i, "Your king is in check") ||
3465 looking_at(buf, &i, "It isn't your turn") ||
3466 looking_at(buf, &i, "It is not your move")) {
3468 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3469 currentMove = forwardMostMove-1;
3470 DisplayMove(currentMove - 1); /* before DMError */
3471 DrawPosition(FALSE, boards[currentMove]);
3472 SwitchClocks(forwardMostMove-1); // [HGM] race
3473 DisplayBothClocks();
3475 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3481 if (looking_at(buf, &i, "still have time") ||
3482 looking_at(buf, &i, "not out of time") ||
3483 looking_at(buf, &i, "either player is out of time") ||
3484 looking_at(buf, &i, "has timeseal; checking")) {
3485 /* We must have called his flag a little too soon */
3486 whiteFlag = blackFlag = FALSE;
3490 if (looking_at(buf, &i, "added * seconds to") ||
3491 looking_at(buf, &i, "seconds were added to")) {
3492 /* Update the clocks */
3493 SendToICS(ics_prefix);
3494 SendToICS("refresh\n");
3498 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3499 ics_clock_paused = TRUE;
3504 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3505 ics_clock_paused = FALSE;
3510 /* Grab player ratings from the Creating: message.
3511 Note we have to check for the special case when
3512 the ICS inserts things like [white] or [black]. */
3513 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3514 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3516 0 player 1 name (not necessarily white)
3518 2 empty, white, or black (IGNORED)
3519 3 player 2 name (not necessarily black)
3522 The names/ratings are sorted out when the game
3523 actually starts (below).
3525 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3526 player1Rating = string_to_rating(star_match[1]);
3527 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3528 player2Rating = string_to_rating(star_match[4]);
3530 if (appData.debugMode)
3532 "Ratings from 'Creating:' %s %d, %s %d\n",
3533 player1Name, player1Rating,
3534 player2Name, player2Rating);
3539 /* Improved generic start/end-of-game messages */
3540 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3541 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3542 /* If tkind == 0: */
3543 /* star_match[0] is the game number */
3544 /* [1] is the white player's name */
3545 /* [2] is the black player's name */
3546 /* For end-of-game: */
3547 /* [3] is the reason for the game end */
3548 /* [4] is a PGN end game-token, preceded by " " */
3549 /* For start-of-game: */
3550 /* [3] begins with "Creating" or "Continuing" */
3551 /* [4] is " *" or empty (don't care). */
3552 int gamenum = atoi(star_match[0]);
3553 char *whitename, *blackname, *why, *endtoken;
3554 ChessMove endtype = EndOfFile;
3557 whitename = star_match[1];
3558 blackname = star_match[2];
3559 why = star_match[3];
3560 endtoken = star_match[4];
3562 whitename = star_match[1];
3563 blackname = star_match[3];
3564 why = star_match[5];
3565 endtoken = star_match[6];
3568 /* Game start messages */
3569 if (strncmp(why, "Creating ", 9) == 0 ||
3570 strncmp(why, "Continuing ", 11) == 0) {
3571 gs_gamenum = gamenum;
3572 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3573 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3575 if (appData.zippyPlay) {
3576 ZippyGameStart(whitename, blackname);
3579 partnerBoardValid = FALSE; // [HGM] bughouse
3583 /* Game end messages */
3584 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3585 ics_gamenum != gamenum) {
3588 while (endtoken[0] == ' ') endtoken++;
3589 switch (endtoken[0]) {
3592 endtype = GameUnfinished;
3595 endtype = BlackWins;
3598 if (endtoken[1] == '/')
3599 endtype = GameIsDrawn;
3601 endtype = WhiteWins;
3604 GameEnds(endtype, why, GE_ICS);
3606 if (appData.zippyPlay && first.initDone) {
3607 ZippyGameEnd(endtype, why);
3608 if (first.pr == NULL) {
3609 /* Start the next process early so that we'll
3610 be ready for the next challenge */
3611 StartChessProgram(&first);
3613 /* Send "new" early, in case this command takes
3614 a long time to finish, so that we'll be ready
3615 for the next challenge. */
3616 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3620 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3624 if (looking_at(buf, &i, "Removing game * from observation") ||
3625 looking_at(buf, &i, "no longer observing game *") ||
3626 looking_at(buf, &i, "Game * (*) has no examiners")) {
3627 if (gameMode == IcsObserving &&
3628 atoi(star_match[0]) == ics_gamenum)
3630 /* icsEngineAnalyze */
3631 if (appData.icsEngineAnalyze) {
3638 ics_user_moved = FALSE;
3643 if (looking_at(buf, &i, "no longer examining game *")) {
3644 if (gameMode == IcsExamining &&
3645 atoi(star_match[0]) == ics_gamenum)
3649 ics_user_moved = FALSE;
3654 /* Advance leftover_start past any newlines we find,
3655 so only partial lines can get reparsed */
3656 if (looking_at(buf, &i, "\n")) {
3657 prevColor = curColor;
3658 if (curColor != ColorNormal) {
3659 if (oldi > next_out) {
3660 SendToPlayer(&buf[next_out], oldi - next_out);
3663 Colorize(ColorNormal, FALSE);
3664 curColor = ColorNormal;
3666 if (started == STARTED_BOARD) {
3667 started = STARTED_NONE;
3668 parse[parse_pos] = NULLCHAR;
3669 ParseBoard12(parse);
3672 /* Send premove here */
3673 if (appData.premove) {
3675 if (currentMove == 0 &&
3676 gameMode == IcsPlayingWhite &&
3677 appData.premoveWhite) {
3678 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3679 if (appData.debugMode)
3680 fprintf(debugFP, "Sending premove:\n");
3682 } else if (currentMove == 1 &&
3683 gameMode == IcsPlayingBlack &&
3684 appData.premoveBlack) {
3685 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3686 if (appData.debugMode)
3687 fprintf(debugFP, "Sending premove:\n");
3689 } else if (gotPremove) {
3691 ClearPremoveHighlights();
3692 if (appData.debugMode)
3693 fprintf(debugFP, "Sending premove:\n");
3694 UserMoveEvent(premoveFromX, premoveFromY,
3695 premoveToX, premoveToY,
3700 /* Usually suppress following prompt */
3701 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3702 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3703 if (looking_at(buf, &i, "*% ")) {
3704 savingComment = FALSE;
3709 } else if (started == STARTED_HOLDINGS) {
3711 char new_piece[MSG_SIZ];
3712 started = STARTED_NONE;
3713 parse[parse_pos] = NULLCHAR;
3714 if (appData.debugMode)
3715 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3716 parse, currentMove);
3717 if (sscanf(parse, " game %d", &gamenum) == 1) {
3718 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
3719 if (gameInfo.variant == VariantNormal) {
3720 /* [HGM] We seem to switch variant during a game!
3721 * Presumably no holdings were displayed, so we have
3722 * to move the position two files to the right to
3723 * create room for them!
3725 VariantClass newVariant;
3726 switch(gameInfo.boardWidth) { // base guess on board width
3727 case 9: newVariant = VariantShogi; break;
3728 case 10: newVariant = VariantGreat; break;
3729 default: newVariant = VariantCrazyhouse; break;
3731 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3732 /* Get a move list just to see the header, which
3733 will tell us whether this is really bug or zh */
3734 if (ics_getting_history == H_FALSE) {
3735 ics_getting_history = H_REQUESTED;
3736 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
3740 new_piece[0] = NULLCHAR;
3741 sscanf(parse, "game %d white [%s black [%s <- %s",
3742 &gamenum, white_holding, black_holding,
3744 white_holding[strlen(white_holding)-1] = NULLCHAR;
3745 black_holding[strlen(black_holding)-1] = NULLCHAR;
3746 /* [HGM] copy holdings to board holdings area */
3747 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3748 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3749 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3751 if (appData.zippyPlay && first.initDone) {
3752 ZippyHoldings(white_holding, black_holding,
3756 if (tinyLayout || smallLayout) {
3757 char wh[16], bh[16];
3758 PackHolding(wh, white_holding);
3759 PackHolding(bh, black_holding);
3760 snprintf(str, MSG_SIZ,"[%s-%s] %s-%s", wh, bh,
3761 gameInfo.white, gameInfo.black);
3763 snprintf(str, MSG_SIZ, "%s [%s] vs. %s [%s]",
3764 gameInfo.white, white_holding,
3765 gameInfo.black, black_holding);
3767 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
3768 DrawPosition(FALSE, boards[currentMove]);
3770 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
3771 sscanf(parse, "game %d white [%s black [%s <- %s",
3772 &gamenum, white_holding, black_holding,
3774 white_holding[strlen(white_holding)-1] = NULLCHAR;
3775 black_holding[strlen(black_holding)-1] = NULLCHAR;
3776 /* [HGM] copy holdings to partner-board holdings area */
3777 CopyHoldings(partnerBoard, white_holding, WhitePawn);
3778 CopyHoldings(partnerBoard, black_holding, BlackPawn);
3779 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
3780 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3781 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
3784 /* Suppress following prompt */
3785 if (looking_at(buf, &i, "*% ")) {
3786 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3787 savingComment = FALSE;
3795 i++; /* skip unparsed character and loop back */
3798 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
3799 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
3800 // SendToPlayer(&buf[next_out], i - next_out);
3801 started != STARTED_HOLDINGS && leftover_start > next_out) {
3802 SendToPlayer(&buf[next_out], leftover_start - next_out);
3806 leftover_len = buf_len - leftover_start;
3807 /* if buffer ends with something we couldn't parse,
3808 reparse it after appending the next read */
3810 } else if (count == 0) {
3811 RemoveInputSource(isr);
3812 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3814 DisplayFatalError(_("Error reading from ICS"), error, 1);
3819 /* Board style 12 looks like this:
3821 <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
3823 * The "<12> " is stripped before it gets to this routine. The two
3824 * trailing 0's (flip state and clock ticking) are later addition, and
3825 * some chess servers may not have them, or may have only the first.
3826 * Additional trailing fields may be added in the future.
3829 #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"
3831 #define RELATION_OBSERVING_PLAYED 0
3832 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3833 #define RELATION_PLAYING_MYMOVE 1
3834 #define RELATION_PLAYING_NOTMYMOVE -1
3835 #define RELATION_EXAMINING 2
3836 #define RELATION_ISOLATED_BOARD -3
3837 #define RELATION_STARTING_POSITION -4 /* FICS only */
3840 ParseBoard12(string)
3843 GameMode newGameMode;
3844 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3845 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3846 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3847 char to_play, board_chars[200];
3848 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
3849 char black[32], white[32];
3851 int prevMove = currentMove;
3854 int fromX, fromY, toX, toY;
3856 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3857 char *bookHit = NULL; // [HGM] book
3858 Boolean weird = FALSE, reqFlag = FALSE;
3860 fromX = fromY = toX = toY = -1;
3864 if (appData.debugMode)
3865 fprintf(debugFP, _("Parsing board: %s\n"), string);
3867 move_str[0] = NULLCHAR;
3868 elapsed_time[0] = NULLCHAR;
3869 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3871 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3872 if(string[i] == ' ') { ranks++; files = 0; }
3874 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3877 for(j = 0; j <i; j++) board_chars[j] = string[j];
3878 board_chars[i] = '\0';
3881 n = sscanf(string, PATTERN, &to_play, &double_push,
3882 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3883 &gamenum, white, black, &relation, &basetime, &increment,
3884 &white_stren, &black_stren, &white_time, &black_time,
3885 &moveNum, str, elapsed_time, move_str, &ics_flip,
3889 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
3890 DisplayError(str, 0);
3894 /* Convert the move number to internal form */
3895 moveNum = (moveNum - 1) * 2;
3896 if (to_play == 'B') moveNum++;
3897 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
3898 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3904 case RELATION_OBSERVING_PLAYED:
3905 case RELATION_OBSERVING_STATIC:
3906 if (gamenum == -1) {
3907 /* Old ICC buglet */
3908 relation = RELATION_OBSERVING_STATIC;
3910 newGameMode = IcsObserving;
3912 case RELATION_PLAYING_MYMOVE:
3913 case RELATION_PLAYING_NOTMYMOVE:
3915 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3916 IcsPlayingWhite : IcsPlayingBlack;
3918 case RELATION_EXAMINING:
3919 newGameMode = IcsExamining;
3921 case RELATION_ISOLATED_BOARD:
3923 /* Just display this board. If user was doing something else,
3924 we will forget about it until the next board comes. */
3925 newGameMode = IcsIdle;
3927 case RELATION_STARTING_POSITION:
3928 newGameMode = gameMode;
3932 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
3933 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
3934 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
3936 for (k = 0; k < ranks; k++) {
3937 for (j = 0; j < files; j++)
3938 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3939 if(gameInfo.holdingsWidth > 1) {
3940 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3941 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3944 CopyBoard(partnerBoard, board);
3945 if(toSqr = strchr(str, '/')) { // extract highlights from long move
3946 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
3947 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
3948 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
3949 if(toSqr = strchr(str, '-')) {
3950 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
3951 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
3952 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
3953 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
3954 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
3955 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3956 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
3957 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
3958 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
3959 DisplayMessage(partnerStatus, "");
3960 partnerBoardValid = TRUE;
3964 /* Modify behavior for initial board display on move listing
3967 switch (ics_getting_history) {
3971 case H_GOT_REQ_HEADER:
3972 case H_GOT_UNREQ_HEADER:
3973 /* This is the initial position of the current game */
3974 gamenum = ics_gamenum;
3975 moveNum = 0; /* old ICS bug workaround */
3976 if (to_play == 'B') {
3977 startedFromSetupPosition = TRUE;
3978 blackPlaysFirst = TRUE;
3980 if (forwardMostMove == 0) forwardMostMove = 1;
3981 if (backwardMostMove == 0) backwardMostMove = 1;
3982 if (currentMove == 0) currentMove = 1;
3984 newGameMode = gameMode;
3985 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3987 case H_GOT_UNWANTED_HEADER:
3988 /* This is an initial board that we don't want */
3990 case H_GETTING_MOVES:
3991 /* Should not happen */
3992 DisplayError(_("Error gathering move list: extra board"), 0);
3993 ics_getting_history = H_FALSE;
3997 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
3998 weird && (int)gameInfo.variant < (int)VariantShogi) {
3999 /* [HGM] We seem to have switched variant unexpectedly
4000 * Try to guess new variant from board size
4002 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4003 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4004 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4005 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4006 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4007 if(!weird) newVariant = VariantNormal;
4008 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4009 /* Get a move list just to see the header, which
4010 will tell us whether this is really bug or zh */
4011 if (ics_getting_history == H_FALSE) {
4012 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4013 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4018 /* Take action if this is the first board of a new game, or of a
4019 different game than is currently being displayed. */
4020 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4021 relation == RELATION_ISOLATED_BOARD) {
4023 /* Forget the old game and get the history (if any) of the new one */
4024 if (gameMode != BeginningOfGame) {
4028 if (appData.autoRaiseBoard) BoardToTop();
4030 if (gamenum == -1) {
4031 newGameMode = IcsIdle;
4032 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4033 appData.getMoveList && !reqFlag) {
4034 /* Need to get game history */
4035 ics_getting_history = H_REQUESTED;
4036 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4040 /* Initially flip the board to have black on the bottom if playing
4041 black or if the ICS flip flag is set, but let the user change
4042 it with the Flip View button. */
4043 flipView = appData.autoFlipView ?
4044 (newGameMode == IcsPlayingBlack) || ics_flip :
4047 /* Done with values from previous mode; copy in new ones */
4048 gameMode = newGameMode;
4050 ics_gamenum = gamenum;
4051 if (gamenum == gs_gamenum) {
4052 int klen = strlen(gs_kind);
4053 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4054 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4055 gameInfo.event = StrSave(str);
4057 gameInfo.event = StrSave("ICS game");
4059 gameInfo.site = StrSave(appData.icsHost);
4060 gameInfo.date = PGNDate();
4061 gameInfo.round = StrSave("-");
4062 gameInfo.white = StrSave(white);
4063 gameInfo.black = StrSave(black);
4064 timeControl = basetime * 60 * 1000;
4066 timeIncrement = increment * 1000;
4067 movesPerSession = 0;
4068 gameInfo.timeControl = TimeControlTagValue();
4069 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4070 if (appData.debugMode) {
4071 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4072 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4073 setbuf(debugFP, NULL);
4076 gameInfo.outOfBook = NULL;
4078 /* Do we have the ratings? */
4079 if (strcmp(player1Name, white) == 0 &&
4080 strcmp(player2Name, black) == 0) {
4081 if (appData.debugMode)
4082 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4083 player1Rating, player2Rating);
4084 gameInfo.whiteRating = player1Rating;
4085 gameInfo.blackRating = player2Rating;
4086 } else if (strcmp(player2Name, white) == 0 &&
4087 strcmp(player1Name, black) == 0) {
4088 if (appData.debugMode)
4089 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4090 player2Rating, player1Rating);
4091 gameInfo.whiteRating = player2Rating;
4092 gameInfo.blackRating = player1Rating;
4094 player1Name[0] = player2Name[0] = NULLCHAR;
4096 /* Silence shouts if requested */
4097 if (appData.quietPlay &&
4098 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4099 SendToICS(ics_prefix);
4100 SendToICS("set shout 0\n");
4104 /* Deal with midgame name changes */
4106 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4107 if (gameInfo.white) free(gameInfo.white);
4108 gameInfo.white = StrSave(white);
4110 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4111 if (gameInfo.black) free(gameInfo.black);
4112 gameInfo.black = StrSave(black);
4116 /* Throw away game result if anything actually changes in examine mode */
4117 if (gameMode == IcsExamining && !newGame) {
4118 gameInfo.result = GameUnfinished;
4119 if (gameInfo.resultDetails != NULL) {
4120 free(gameInfo.resultDetails);
4121 gameInfo.resultDetails = NULL;
4125 /* In pausing && IcsExamining mode, we ignore boards coming
4126 in if they are in a different variation than we are. */
4127 if (pauseExamInvalid) return;
4128 if (pausing && gameMode == IcsExamining) {
4129 if (moveNum <= pauseExamForwardMostMove) {
4130 pauseExamInvalid = TRUE;
4131 forwardMostMove = pauseExamForwardMostMove;
4136 if (appData.debugMode) {
4137 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4139 /* Parse the board */
4140 for (k = 0; k < ranks; k++) {
4141 for (j = 0; j < files; j++)
4142 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4143 if(gameInfo.holdingsWidth > 1) {
4144 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4145 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4148 CopyBoard(boards[moveNum], board);
4149 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4151 startedFromSetupPosition =
4152 !CompareBoards(board, initialPosition);
4153 if(startedFromSetupPosition)
4154 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4157 /* [HGM] Set castling rights. Take the outermost Rooks,
4158 to make it also work for FRC opening positions. Note that board12
4159 is really defective for later FRC positions, as it has no way to
4160 indicate which Rook can castle if they are on the same side of King.
4161 For the initial position we grant rights to the outermost Rooks,
4162 and remember thos rights, and we then copy them on positions
4163 later in an FRC game. This means WB might not recognize castlings with
4164 Rooks that have moved back to their original position as illegal,
4165 but in ICS mode that is not its job anyway.
4167 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4168 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4170 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4171 if(board[0][i] == WhiteRook) j = i;
4172 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4173 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4174 if(board[0][i] == WhiteRook) j = i;
4175 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4176 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4177 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4178 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4179 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4180 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4181 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4183 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4184 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4185 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4186 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4187 if(board[BOARD_HEIGHT-1][k] == bKing)
4188 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4189 if(gameInfo.variant == VariantTwoKings) {
4190 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4191 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4192 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4195 r = boards[moveNum][CASTLING][0] = initialRights[0];
4196 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4197 r = boards[moveNum][CASTLING][1] = initialRights[1];
4198 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4199 r = boards[moveNum][CASTLING][3] = initialRights[3];
4200 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4201 r = boards[moveNum][CASTLING][4] = initialRights[4];
4202 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4203 /* wildcastle kludge: always assume King has rights */
4204 r = boards[moveNum][CASTLING][2] = initialRights[2];
4205 r = boards[moveNum][CASTLING][5] = initialRights[5];
4207 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4208 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4211 if (ics_getting_history == H_GOT_REQ_HEADER ||
4212 ics_getting_history == H_GOT_UNREQ_HEADER) {
4213 /* This was an initial position from a move list, not
4214 the current position */
4218 /* Update currentMove and known move number limits */
4219 newMove = newGame || moveNum > forwardMostMove;
4222 forwardMostMove = backwardMostMove = currentMove = moveNum;
4223 if (gameMode == IcsExamining && moveNum == 0) {
4224 /* Workaround for ICS limitation: we are not told the wild
4225 type when starting to examine a game. But if we ask for
4226 the move list, the move list header will tell us */
4227 ics_getting_history = H_REQUESTED;
4228 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4231 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4232 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4234 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4235 /* [HGM] applied this also to an engine that is silently watching */
4236 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4237 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4238 gameInfo.variant == currentlyInitializedVariant) {
4239 takeback = forwardMostMove - moveNum;
4240 for (i = 0; i < takeback; i++) {
4241 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4242 SendToProgram("undo\n", &first);
4247 forwardMostMove = moveNum;
4248 if (!pausing || currentMove > forwardMostMove)
4249 currentMove = forwardMostMove;
4251 /* New part of history that is not contiguous with old part */
4252 if (pausing && gameMode == IcsExamining) {
4253 pauseExamInvalid = TRUE;
4254 forwardMostMove = pauseExamForwardMostMove;
4257 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4259 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4260 // [HGM] when we will receive the move list we now request, it will be
4261 // fed to the engine from the first move on. So if the engine is not
4262 // in the initial position now, bring it there.
4263 InitChessProgram(&first, 0);
4266 ics_getting_history = H_REQUESTED;
4267 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4270 forwardMostMove = backwardMostMove = currentMove = moveNum;
4273 /* Update the clocks */
4274 if (strchr(elapsed_time, '.')) {
4276 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4277 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4279 /* Time is in seconds */
4280 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4281 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4286 if (appData.zippyPlay && newGame &&
4287 gameMode != IcsObserving && gameMode != IcsIdle &&
4288 gameMode != IcsExamining)
4289 ZippyFirstBoard(moveNum, basetime, increment);
4292 /* Put the move on the move list, first converting
4293 to canonical algebraic form. */
4295 if (appData.debugMode) {
4296 if (appData.debugMode) { int f = forwardMostMove;
4297 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4298 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4299 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4301 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4302 fprintf(debugFP, "moveNum = %d\n", moveNum);
4303 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4304 setbuf(debugFP, NULL);
4306 if (moveNum <= backwardMostMove) {
4307 /* We don't know what the board looked like before
4309 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4310 strcat(parseList[moveNum - 1], " ");
4311 strcat(parseList[moveNum - 1], elapsed_time);
4312 moveList[moveNum - 1][0] = NULLCHAR;
4313 } else if (strcmp(move_str, "none") == 0) {
4314 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4315 /* Again, we don't know what the board looked like;
4316 this is really the start of the game. */
4317 parseList[moveNum - 1][0] = NULLCHAR;
4318 moveList[moveNum - 1][0] = NULLCHAR;
4319 backwardMostMove = moveNum;
4320 startedFromSetupPosition = TRUE;
4321 fromX = fromY = toX = toY = -1;
4323 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4324 // So we parse the long-algebraic move string in stead of the SAN move
4325 int valid; char buf[MSG_SIZ], *prom;
4327 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4328 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4329 // str looks something like "Q/a1-a2"; kill the slash
4331 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4332 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4333 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4334 strcat(buf, prom); // long move lacks promo specification!
4335 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4336 if(appData.debugMode)
4337 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4338 safeStrCpy(move_str, buf, MSG_SIZ);
4340 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4341 &fromX, &fromY, &toX, &toY, &promoChar)
4342 || ParseOneMove(buf, moveNum - 1, &moveType,
4343 &fromX, &fromY, &toX, &toY, &promoChar);
4344 // end of long SAN patch
4346 (void) CoordsToAlgebraic(boards[moveNum - 1],
4347 PosFlags(moveNum - 1),
4348 fromY, fromX, toY, toX, promoChar,
4349 parseList[moveNum-1]);
4350 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4356 if(gameInfo.variant != VariantShogi)
4357 strcat(parseList[moveNum - 1], "+");
4360 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4361 strcat(parseList[moveNum - 1], "#");
4364 strcat(parseList[moveNum - 1], " ");
4365 strcat(parseList[moveNum - 1], elapsed_time);
4366 /* currentMoveString is set as a side-effect of ParseOneMove */
4367 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4368 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4369 strcat(moveList[moveNum - 1], "\n");
4371 if(gameInfo.holdingsWidth && !appData.disguise) // inherit info that ICS does not give from previous board
4372 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4373 ChessSquare old, new = boards[moveNum][k][j];
4374 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4375 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4376 if(old == new) continue;
4377 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4378 else if(new == WhiteWazir || new == BlackWazir) {
4379 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4380 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4381 else boards[moveNum][k][j] = old; // preserve type of Gold
4382 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4383 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4386 /* Move from ICS was illegal!? Punt. */
4387 if (appData.debugMode) {
4388 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4389 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4391 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4392 strcat(parseList[moveNum - 1], " ");
4393 strcat(parseList[moveNum - 1], elapsed_time);
4394 moveList[moveNum - 1][0] = NULLCHAR;
4395 fromX = fromY = toX = toY = -1;
4398 if (appData.debugMode) {
4399 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4400 setbuf(debugFP, NULL);
4404 /* Send move to chess program (BEFORE animating it). */
4405 if (appData.zippyPlay && !newGame && newMove &&
4406 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4408 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4409 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4410 if (moveList[moveNum - 1][0] == NULLCHAR) {
4411 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4413 DisplayError(str, 0);
4415 if (first.sendTime) {
4416 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4418 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4419 if (firstMove && !bookHit) {
4421 if (first.useColors) {
4422 SendToProgram(gameMode == IcsPlayingWhite ?
4424 "black\ngo\n", &first);
4426 SendToProgram("go\n", &first);
4428 first.maybeThinking = TRUE;
4431 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4432 if (moveList[moveNum - 1][0] == NULLCHAR) {
4433 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4434 DisplayError(str, 0);
4436 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4437 SendMoveToProgram(moveNum - 1, &first);
4444 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4445 /* If move comes from a remote source, animate it. If it
4446 isn't remote, it will have already been animated. */
4447 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4448 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4450 if (!pausing && appData.highlightLastMove) {
4451 SetHighlights(fromX, fromY, toX, toY);
4455 /* Start the clocks */
4456 whiteFlag = blackFlag = FALSE;
4457 appData.clockMode = !(basetime == 0 && increment == 0);
4459 ics_clock_paused = TRUE;
4461 } else if (ticking == 1) {
4462 ics_clock_paused = FALSE;
4464 if (gameMode == IcsIdle ||
4465 relation == RELATION_OBSERVING_STATIC ||
4466 relation == RELATION_EXAMINING ||
4468 DisplayBothClocks();
4472 /* Display opponents and material strengths */
4473 if (gameInfo.variant != VariantBughouse &&
4474 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4475 if (tinyLayout || smallLayout) {
4476 if(gameInfo.variant == VariantNormal)
4477 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4478 gameInfo.white, white_stren, gameInfo.black, black_stren,
4479 basetime, increment);
4481 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4482 gameInfo.white, white_stren, gameInfo.black, black_stren,
4483 basetime, increment, (int) gameInfo.variant);
4485 if(gameInfo.variant == VariantNormal)
4486 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4487 gameInfo.white, white_stren, gameInfo.black, black_stren,
4488 basetime, increment);
4490 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4491 gameInfo.white, white_stren, gameInfo.black, black_stren,
4492 basetime, increment, VariantName(gameInfo.variant));
4495 if (appData.debugMode) {
4496 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4501 /* Display the board */
4502 if (!pausing && !appData.noGUI) {
4504 if (appData.premove)
4506 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4507 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4508 ClearPremoveHighlights();
4510 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4511 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4512 DrawPosition(j, boards[currentMove]);
4514 DisplayMove(moveNum - 1);
4515 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4516 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4517 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4518 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4522 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4524 if(bookHit) { // [HGM] book: simulate book reply
4525 static char bookMove[MSG_SIZ]; // a bit generous?
4527 programStats.nodes = programStats.depth = programStats.time =
4528 programStats.score = programStats.got_only_move = 0;
4529 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4531 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4532 strcat(bookMove, bookHit);
4533 HandleMachineMove(bookMove, &first);
4542 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4543 ics_getting_history = H_REQUESTED;
4544 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4550 AnalysisPeriodicEvent(force)
4553 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4554 && !force) || !appData.periodicUpdates)
4557 /* Send . command to Crafty to collect stats */
4558 SendToProgram(".\n", &first);
4560 /* Don't send another until we get a response (this makes
4561 us stop sending to old Crafty's which don't understand
4562 the "." command (sending illegal cmds resets node count & time,
4563 which looks bad)) */
4564 programStats.ok_to_send = 0;
4567 void ics_update_width(new_width)
4570 ics_printf("set width %d\n", new_width);
4574 SendMoveToProgram(moveNum, cps)
4576 ChessProgramState *cps;
4580 if (cps->useUsermove) {
4581 SendToProgram("usermove ", cps);
4585 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4586 int len = space - parseList[moveNum];
4587 memcpy(buf, parseList[moveNum], len);
4589 buf[len] = NULLCHAR;
4591 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4593 SendToProgram(buf, cps);
4595 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4596 AlphaRank(moveList[moveNum], 4);
4597 SendToProgram(moveList[moveNum], cps);
4598 AlphaRank(moveList[moveNum], 4); // and back
4600 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4601 * the engine. It would be nice to have a better way to identify castle
4603 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4604 && cps->useOOCastle) {
4605 int fromX = moveList[moveNum][0] - AAA;
4606 int fromY = moveList[moveNum][1] - ONE;
4607 int toX = moveList[moveNum][2] - AAA;
4608 int toY = moveList[moveNum][3] - ONE;
4609 if((boards[moveNum][fromY][fromX] == WhiteKing
4610 && boards[moveNum][toY][toX] == WhiteRook)
4611 || (boards[moveNum][fromY][fromX] == BlackKing
4612 && boards[moveNum][toY][toX] == BlackRook)) {
4613 if(toX > fromX) SendToProgram("O-O\n", cps);
4614 else SendToProgram("O-O-O\n", cps);
4616 else SendToProgram(moveList[moveNum], cps);
4618 else SendToProgram(moveList[moveNum], cps);
4619 /* End of additions by Tord */
4622 /* [HGM] setting up the opening has brought engine in force mode! */
4623 /* Send 'go' if we are in a mode where machine should play. */
4624 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4625 (gameMode == TwoMachinesPlay ||
4627 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4629 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4630 SendToProgram("go\n", cps);
4631 if (appData.debugMode) {
4632 fprintf(debugFP, "(extra)\n");
4635 setboardSpoiledMachineBlack = 0;
4639 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4641 int fromX, fromY, toX, toY;
4644 char user_move[MSG_SIZ];
4648 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4649 (int)moveType, fromX, fromY, toX, toY);
4650 DisplayError(user_move + strlen("say "), 0);
4652 case WhiteKingSideCastle:
4653 case BlackKingSideCastle:
4654 case WhiteQueenSideCastleWild:
4655 case BlackQueenSideCastleWild:
4657 case WhiteHSideCastleFR:
4658 case BlackHSideCastleFR:
4660 snprintf(user_move, MSG_SIZ, "o-o\n");
4662 case WhiteQueenSideCastle:
4663 case BlackQueenSideCastle:
4664 case WhiteKingSideCastleWild:
4665 case BlackKingSideCastleWild:
4667 case WhiteASideCastleFR:
4668 case BlackASideCastleFR:
4670 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4672 case WhiteNonPromotion:
4673 case BlackNonPromotion:
4674 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4676 case WhitePromotion:
4677 case BlackPromotion:
4678 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4679 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4680 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4681 PieceToChar(WhiteFerz));
4682 else if(gameInfo.variant == VariantGreat)
4683 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4684 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4685 PieceToChar(WhiteMan));
4687 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4688 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4694 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
4695 ToUpper(PieceToChar((ChessSquare) fromX)),
4696 AAA + toX, ONE + toY);
4698 case IllegalMove: /* could be a variant we don't quite understand */
4699 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
4701 case WhiteCapturesEnPassant:
4702 case BlackCapturesEnPassant:
4703 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
4704 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4707 SendToICS(user_move);
4708 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4709 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4714 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
4715 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
4716 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
4717 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
4718 DisplayError("You cannot do this while you are playing or observing", 0);
4721 if(gameMode != IcsExamining) { // is this ever not the case?
4722 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
4724 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
4725 snprintf(command,MSG_SIZ, "match %s", ics_handle);
4726 } else { // on FICS we must first go to general examine mode
4727 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
4729 if(gameInfo.variant != VariantNormal) {
4730 // try figure out wild number, as xboard names are not always valid on ICS
4731 for(i=1; i<=36; i++) {
4732 snprintf(buf, MSG_SIZ, "wild/%d", i);
4733 if(StringToVariant(buf) == gameInfo.variant) break;
4735 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
4736 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
4737 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
4738 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
4739 SendToICS(ics_prefix);
4741 if(startedFromSetupPosition || backwardMostMove != 0) {
4742 fen = PositionToFEN(backwardMostMove, NULL);
4743 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
4744 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
4746 } else { // FICS: everything has to set by separate bsetup commands
4747 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
4748 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
4750 if(!WhiteOnMove(backwardMostMove)) {
4751 SendToICS("bsetup tomove black\n");
4753 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
4754 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
4756 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
4757 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
4759 i = boards[backwardMostMove][EP_STATUS];
4760 if(i >= 0) { // set e.p.
4761 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
4767 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
4768 SendToICS("bsetup done\n"); // switch to normal examining.
4770 for(i = backwardMostMove; i<last; i++) {
4772 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
4775 SendToICS(ics_prefix);
4776 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
4780 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4785 if (rf == DROP_RANK) {
4786 sprintf(move, "%c@%c%c\n",
4787 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4789 if (promoChar == 'x' || promoChar == NULLCHAR) {
4790 sprintf(move, "%c%c%c%c\n",
4791 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4793 sprintf(move, "%c%c%c%c%c\n",
4794 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4800 ProcessICSInitScript(f)
4805 while (fgets(buf, MSG_SIZ, f)) {
4806 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4813 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4815 AlphaRank(char *move, int n)
4817 // char *p = move, c; int x, y;
4819 if (appData.debugMode) {
4820 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4824 move[2]>='0' && move[2]<='9' &&
4825 move[3]>='a' && move[3]<='x' ) {
4827 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4828 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4830 if(move[0]>='0' && move[0]<='9' &&
4831 move[1]>='a' && move[1]<='x' &&
4832 move[2]>='0' && move[2]<='9' &&
4833 move[3]>='a' && move[3]<='x' ) {
4834 /* input move, Shogi -> normal */
4835 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4836 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4837 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4838 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4841 move[3]>='0' && move[3]<='9' &&
4842 move[2]>='a' && move[2]<='x' ) {
4844 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4845 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4848 move[0]>='a' && move[0]<='x' &&
4849 move[3]>='0' && move[3]<='9' &&
4850 move[2]>='a' && move[2]<='x' ) {
4851 /* output move, normal -> Shogi */
4852 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4853 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4854 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4855 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4856 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4858 if (appData.debugMode) {
4859 fprintf(debugFP, " out = '%s'\n", move);
4863 char yy_textstr[8000];
4865 /* Parser for moves from gnuchess, ICS, or user typein box */
4867 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4870 ChessMove *moveType;
4871 int *fromX, *fromY, *toX, *toY;
4874 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
4876 switch (*moveType) {
4877 case WhitePromotion:
4878 case BlackPromotion:
4879 case WhiteNonPromotion:
4880 case BlackNonPromotion:
4882 case WhiteCapturesEnPassant:
4883 case BlackCapturesEnPassant:
4884 case WhiteKingSideCastle:
4885 case WhiteQueenSideCastle:
4886 case BlackKingSideCastle:
4887 case BlackQueenSideCastle:
4888 case WhiteKingSideCastleWild:
4889 case WhiteQueenSideCastleWild:
4890 case BlackKingSideCastleWild:
4891 case BlackQueenSideCastleWild:
4892 /* Code added by Tord: */
4893 case WhiteHSideCastleFR:
4894 case WhiteASideCastleFR:
4895 case BlackHSideCastleFR:
4896 case BlackASideCastleFR:
4897 /* End of code added by Tord */
4898 case IllegalMove: /* bug or odd chess variant */
4899 *fromX = currentMoveString[0] - AAA;
4900 *fromY = currentMoveString[1] - ONE;
4901 *toX = currentMoveString[2] - AAA;
4902 *toY = currentMoveString[3] - ONE;
4903 *promoChar = currentMoveString[4];
4904 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4905 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4906 if (appData.debugMode) {
4907 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4909 *fromX = *fromY = *toX = *toY = 0;
4912 if (appData.testLegality) {
4913 return (*moveType != IllegalMove);
4915 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4916 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4921 *fromX = *moveType == WhiteDrop ?
4922 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4923 (int) CharToPiece(ToLower(currentMoveString[0]));
4925 *toX = currentMoveString[2] - AAA;
4926 *toY = currentMoveString[3] - ONE;
4927 *promoChar = NULLCHAR;
4931 case ImpossibleMove:
4941 if (appData.debugMode) {
4942 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4945 *fromX = *fromY = *toX = *toY = 0;
4946 *promoChar = NULLCHAR;
4953 ParsePV(char *pv, Boolean storeComments)
4954 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4955 int fromX, fromY, toX, toY; char promoChar;
4960 endPV = forwardMostMove;
4962 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
4963 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
4964 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4965 if(appData.debugMode){
4966 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);
4968 if(!valid && nr == 0 &&
4969 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4970 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4971 // Hande case where played move is different from leading PV move
4972 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
4973 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
4974 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
4975 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
4976 endPV += 2; // if position different, keep this
4977 moveList[endPV-1][0] = fromX + AAA;
4978 moveList[endPV-1][1] = fromY + ONE;
4979 moveList[endPV-1][2] = toX + AAA;
4980 moveList[endPV-1][3] = toY + ONE;
4981 parseList[endPV-1][0] = NULLCHAR;
4982 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
4985 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
4986 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
4987 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
4988 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
4989 valid++; // allow comments in PV
4993 if(endPV+1 > framePtr) break; // no space, truncate
4996 CopyBoard(boards[endPV], boards[endPV-1]);
4997 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
4998 moveList[endPV-1][0] = fromX + AAA;
4999 moveList[endPV-1][1] = fromY + ONE;
5000 moveList[endPV-1][2] = toX + AAA;
5001 moveList[endPV-1][3] = toY + ONE;
5002 moveList[endPV-1][4] = promoChar;
5003 moveList[endPV-1][5] = NULLCHAR;
5004 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5006 CoordsToAlgebraic(boards[endPV - 1],
5007 PosFlags(endPV - 1),
5008 fromY, fromX, toY, toX, promoChar,
5009 parseList[endPV - 1]);
5011 parseList[endPV-1][0] = NULLCHAR;
5013 currentMove = endPV;
5014 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5015 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5016 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5017 DrawPosition(TRUE, boards[currentMove]);
5020 static int lastX, lastY;
5023 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5028 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5029 lastX = x; lastY = y;
5030 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5032 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5033 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5035 do{ while(buf[index] && buf[index] != '\n') index++;
5036 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5038 ParsePV(buf+startPV, FALSE);
5039 *start = startPV; *end = index-1;
5044 LoadPV(int x, int y)
5045 { // called on right mouse click to load PV
5046 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5047 lastX = x; lastY = y;
5048 ParsePV(lastPV[which], FALSE); // load the PV of the thinking engine in the boards array.
5055 if(endPV < 0) return;
5057 currentMove = forwardMostMove;
5058 ClearPremoveHighlights();
5059 DrawPosition(TRUE, boards[currentMove]);
5063 MovePV(int x, int y, int h)
5064 { // step through PV based on mouse coordinates (called on mouse move)
5065 int margin = h>>3, step = 0;
5067 if(endPV < 0) return;
5068 // we must somehow check if right button is still down (might be released off board!)
5069 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
5070 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
5071 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
5073 lastX = x; lastY = y;
5074 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5075 currentMove += step;
5076 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5077 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5078 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5079 DrawPosition(FALSE, boards[currentMove]);
5083 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5084 // All positions will have equal probability, but the current method will not provide a unique
5085 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5091 int piecesLeft[(int)BlackPawn];
5092 int seed, nrOfShuffles;
5094 void GetPositionNumber()
5095 { // sets global variable seed
5098 seed = appData.defaultFrcPosition;
5099 if(seed < 0) { // randomize based on time for negative FRC position numbers
5100 for(i=0; i<50; i++) seed += random();
5101 seed = random() ^ random() >> 8 ^ random() << 8;
5102 if(seed<0) seed = -seed;
5106 int put(Board board, int pieceType, int rank, int n, int shade)
5107 // put the piece on the (n-1)-th empty squares of the given shade
5111 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5112 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5113 board[rank][i] = (ChessSquare) pieceType;
5114 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5116 piecesLeft[pieceType]--;
5124 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5125 // calculate where the next piece goes, (any empty square), and put it there
5129 i = seed % squaresLeft[shade];
5130 nrOfShuffles *= squaresLeft[shade];
5131 seed /= squaresLeft[shade];
5132 put(board, pieceType, rank, i, shade);
5135 void AddTwoPieces(Board board, int pieceType, int rank)
5136 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5138 int i, n=squaresLeft[ANY], j=n-1, k;
5140 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5141 i = seed % k; // pick one
5144 while(i >= j) i -= j--;
5145 j = n - 1 - j; i += j;
5146 put(board, pieceType, rank, j, ANY);
5147 put(board, pieceType, rank, i, ANY);
5150 void SetUpShuffle(Board board, int number)
5154 GetPositionNumber(); nrOfShuffles = 1;
5156 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5157 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5158 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5160 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5162 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5163 p = (int) board[0][i];
5164 if(p < (int) BlackPawn) piecesLeft[p] ++;
5165 board[0][i] = EmptySquare;
5168 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5169 // shuffles restricted to allow normal castling put KRR first
5170 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5171 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5172 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5173 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5174 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5175 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5176 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5177 put(board, WhiteRook, 0, 0, ANY);
5178 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5181 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5182 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5183 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5184 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5185 while(piecesLeft[p] >= 2) {
5186 AddOnePiece(board, p, 0, LITE);
5187 AddOnePiece(board, p, 0, DARK);
5189 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5192 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5193 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5194 // but we leave King and Rooks for last, to possibly obey FRC restriction
5195 if(p == (int)WhiteRook) continue;
5196 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5197 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5200 // now everything is placed, except perhaps King (Unicorn) and Rooks
5202 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5203 // Last King gets castling rights
5204 while(piecesLeft[(int)WhiteUnicorn]) {
5205 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5206 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5209 while(piecesLeft[(int)WhiteKing]) {
5210 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5211 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5216 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5217 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5220 // Only Rooks can be left; simply place them all
5221 while(piecesLeft[(int)WhiteRook]) {
5222 i = put(board, WhiteRook, 0, 0, ANY);
5223 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5226 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5228 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5231 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5232 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5235 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5238 int SetCharTable( char *table, const char * map )
5239 /* [HGM] moved here from winboard.c because of its general usefulness */
5240 /* Basically a safe strcpy that uses the last character as King */
5242 int result = FALSE; int NrPieces;
5244 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5245 && NrPieces >= 12 && !(NrPieces&1)) {
5246 int i; /* [HGM] Accept even length from 12 to 34 */
5248 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5249 for( i=0; i<NrPieces/2-1; i++ ) {
5251 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5253 table[(int) WhiteKing] = map[NrPieces/2-1];
5254 table[(int) BlackKing] = map[NrPieces-1];
5262 void Prelude(Board board)
5263 { // [HGM] superchess: random selection of exo-pieces
5264 int i, j, k; ChessSquare p;
5265 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5267 GetPositionNumber(); // use FRC position number
5269 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5270 SetCharTable(pieceToChar, appData.pieceToCharTable);
5271 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5272 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5275 j = seed%4; seed /= 4;
5276 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5277 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5278 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5279 j = seed%3 + (seed%3 >= j); seed /= 3;
5280 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5281 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5282 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5283 j = seed%3; seed /= 3;
5284 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5285 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5286 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5287 j = seed%2 + (seed%2 >= j); seed /= 2;
5288 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5289 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5290 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5291 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5292 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5293 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5294 put(board, exoPieces[0], 0, 0, ANY);
5295 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5299 InitPosition(redraw)
5302 ChessSquare (* pieces)[BOARD_FILES];
5303 int i, j, pawnRow, overrule,
5304 oldx = gameInfo.boardWidth,
5305 oldy = gameInfo.boardHeight,
5306 oldh = gameInfo.holdingsWidth;
5309 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5311 /* [AS] Initialize pv info list [HGM] and game status */
5313 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5314 pvInfoList[i].depth = 0;
5315 boards[i][EP_STATUS] = EP_NONE;
5316 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5319 initialRulePlies = 0; /* 50-move counter start */
5321 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5322 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5326 /* [HGM] logic here is completely changed. In stead of full positions */
5327 /* the initialized data only consist of the two backranks. The switch */
5328 /* selects which one we will use, which is than copied to the Board */
5329 /* initialPosition, which for the rest is initialized by Pawns and */
5330 /* empty squares. This initial position is then copied to boards[0], */
5331 /* possibly after shuffling, so that it remains available. */
5333 gameInfo.holdingsWidth = 0; /* default board sizes */
5334 gameInfo.boardWidth = 8;
5335 gameInfo.boardHeight = 8;
5336 gameInfo.holdingsSize = 0;
5337 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5338 for(i=0; i<BOARD_FILES-2; i++)
5339 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5340 initialPosition[EP_STATUS] = EP_NONE;
5341 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5342 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5343 SetCharTable(pieceNickName, appData.pieceNickNames);
5344 else SetCharTable(pieceNickName, "............");
5347 switch (gameInfo.variant) {
5348 case VariantFischeRandom:
5349 shuffleOpenings = TRUE;
5352 case VariantShatranj:
5353 pieces = ShatranjArray;
5354 nrCastlingRights = 0;
5355 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5358 pieces = makrukArray;
5359 nrCastlingRights = 0;
5360 startedFromSetupPosition = TRUE;
5361 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5363 case VariantTwoKings:
5364 pieces = twoKingsArray;
5366 case VariantCapaRandom:
5367 shuffleOpenings = TRUE;
5368 case VariantCapablanca:
5369 pieces = CapablancaArray;
5370 gameInfo.boardWidth = 10;
5371 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5374 pieces = GothicArray;
5375 gameInfo.boardWidth = 10;
5376 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5379 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5380 gameInfo.holdingsSize = 7;
5383 pieces = JanusArray;
5384 gameInfo.boardWidth = 10;
5385 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5386 nrCastlingRights = 6;
5387 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5388 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5389 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5390 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5391 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5392 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5395 pieces = FalconArray;
5396 gameInfo.boardWidth = 10;
5397 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5399 case VariantXiangqi:
5400 pieces = XiangqiArray;
5401 gameInfo.boardWidth = 9;
5402 gameInfo.boardHeight = 10;
5403 nrCastlingRights = 0;
5404 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5407 pieces = ShogiArray;
5408 gameInfo.boardWidth = 9;
5409 gameInfo.boardHeight = 9;
5410 gameInfo.holdingsSize = 7;
5411 nrCastlingRights = 0;
5412 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5414 case VariantCourier:
5415 pieces = CourierArray;
5416 gameInfo.boardWidth = 12;
5417 nrCastlingRights = 0;
5418 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5420 case VariantKnightmate:
5421 pieces = KnightmateArray;
5422 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5424 case VariantSpartan:
5425 pieces = SpartanArray;
5426 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5429 pieces = fairyArray;
5430 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5433 pieces = GreatArray;
5434 gameInfo.boardWidth = 10;
5435 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5436 gameInfo.holdingsSize = 8;
5440 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5441 gameInfo.holdingsSize = 8;
5442 startedFromSetupPosition = TRUE;
5444 case VariantCrazyhouse:
5445 case VariantBughouse:
5447 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5448 gameInfo.holdingsSize = 5;
5450 case VariantWildCastle:
5452 /* !!?shuffle with kings guaranteed to be on d or e file */
5453 shuffleOpenings = 1;
5455 case VariantNoCastle:
5457 nrCastlingRights = 0;
5458 /* !!?unconstrained back-rank shuffle */
5459 shuffleOpenings = 1;
5464 if(appData.NrFiles >= 0) {
5465 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5466 gameInfo.boardWidth = appData.NrFiles;
5468 if(appData.NrRanks >= 0) {
5469 gameInfo.boardHeight = appData.NrRanks;
5471 if(appData.holdingsSize >= 0) {
5472 i = appData.holdingsSize;
5473 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5474 gameInfo.holdingsSize = i;
5476 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5477 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5478 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5480 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5481 if(pawnRow < 1) pawnRow = 1;
5482 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5484 /* User pieceToChar list overrules defaults */
5485 if(appData.pieceToCharTable != NULL)
5486 SetCharTable(pieceToChar, appData.pieceToCharTable);
5488 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5490 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5491 s = (ChessSquare) 0; /* account holding counts in guard band */
5492 for( i=0; i<BOARD_HEIGHT; i++ )
5493 initialPosition[i][j] = s;
5495 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5496 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5497 initialPosition[pawnRow][j] = WhitePawn;
5498 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5499 if(gameInfo.variant == VariantXiangqi) {
5501 initialPosition[pawnRow][j] =
5502 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5503 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5504 initialPosition[2][j] = WhiteCannon;
5505 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5509 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5511 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5514 initialPosition[1][j] = WhiteBishop;
5515 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5517 initialPosition[1][j] = WhiteRook;
5518 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5521 if( nrCastlingRights == -1) {
5522 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5523 /* This sets default castling rights from none to normal corners */
5524 /* Variants with other castling rights must set them themselves above */
5525 nrCastlingRights = 6;
5527 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5528 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5529 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5530 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5531 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5532 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5535 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5536 if(gameInfo.variant == VariantGreat) { // promotion commoners
5537 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5538 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5539 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5540 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5542 if( gameInfo.variant == VariantSChess ) {
5543 initialPosition[1][0] = BlackMarshall;
5544 initialPosition[2][0] = BlackAngel;
5545 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5546 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5547 initialPosition[1][1] = initialPosition[2][1] =
5548 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5550 if (appData.debugMode) {
5551 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5553 if(shuffleOpenings) {
5554 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5555 startedFromSetupPosition = TRUE;
5557 if(startedFromPositionFile) {
5558 /* [HGM] loadPos: use PositionFile for every new game */
5559 CopyBoard(initialPosition, filePosition);
5560 for(i=0; i<nrCastlingRights; i++)
5561 initialRights[i] = filePosition[CASTLING][i];
5562 startedFromSetupPosition = TRUE;
5565 CopyBoard(boards[0], initialPosition);
5567 if(oldx != gameInfo.boardWidth ||
5568 oldy != gameInfo.boardHeight ||
5569 oldv != gameInfo.variant ||
5570 oldh != gameInfo.holdingsWidth
5572 InitDrawingSizes(-2 ,0);
5574 oldv = gameInfo.variant;
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)) // [HGM] but better a deprecated command than an illegal move...
5599 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
5601 SendToProgram("edit\n", cps);
5602 SendToProgram("#\n", cps);
5603 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5604 bp = &boards[moveNum][i][BOARD_LEFT];
5605 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5606 if ((int) *bp < (int) BlackPawn) {
5607 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
5609 if(message[0] == '+' || message[0] == '~') {
5610 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5611 PieceToChar((ChessSquare)(DEMOTED *bp)),
5614 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5615 message[1] = BOARD_RGHT - 1 - j + '1';
5616 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5618 SendToProgram(message, cps);
5623 SendToProgram("c\n", cps);
5624 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5625 bp = &boards[moveNum][i][BOARD_LEFT];
5626 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5627 if (((int) *bp != (int) EmptySquare)
5628 && ((int) *bp >= (int) BlackPawn)) {
5629 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5631 if(message[0] == '+' || message[0] == '~') {
5632 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5633 PieceToChar((ChessSquare)(DEMOTED *bp)),
5636 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5637 message[1] = BOARD_RGHT - 1 - j + '1';
5638 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5640 SendToProgram(message, cps);
5645 SendToProgram(".\n", cps);
5647 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5650 static int autoQueen; // [HGM] oneclick
5653 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5655 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5656 /* [HGM] add Shogi promotions */
5657 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5662 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5663 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5665 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5666 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5669 piece = boards[currentMove][fromY][fromX];
5670 if(gameInfo.variant == VariantShogi) {
5671 promotionZoneSize = BOARD_HEIGHT/3;
5672 highestPromotingPiece = (int)WhiteFerz;
5673 } else if(gameInfo.variant == VariantMakruk) {
5674 promotionZoneSize = 3;
5677 // Treat Lance as Pawn when it is not representing Amazon
5678 if(gameInfo.variant != VariantSuper) {
5679 if(piece == WhiteLance) piece = WhitePawn; else
5680 if(piece == BlackLance) piece = BlackPawn;
5683 // next weed out all moves that do not touch the promotion zone at all
5684 if((int)piece >= BlackPawn) {
5685 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5687 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5689 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5690 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5693 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5695 // weed out mandatory Shogi promotions
5696 if(gameInfo.variant == VariantShogi) {
5697 if(piece >= BlackPawn) {
5698 if(toY == 0 && piece == BlackPawn ||
5699 toY == 0 && piece == BlackQueen ||
5700 toY <= 1 && piece == BlackKnight) {
5705 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5706 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5707 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5714 // weed out obviously illegal Pawn moves
5715 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5716 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5717 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5718 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5719 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5720 // note we are not allowed to test for valid (non-)capture, due to premove
5723 // we either have a choice what to promote to, or (in Shogi) whether to promote
5724 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5725 *promoChoice = PieceToChar(BlackFerz); // no choice
5728 // no sense asking what we must promote to if it is going to explode...
5729 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
5730 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
5733 if(autoQueen) { // predetermined
5734 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5735 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5736 else *promoChoice = PieceToChar(BlackQueen);
5740 // suppress promotion popup on illegal moves that are not premoves
5741 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5742 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5743 if(appData.testLegality && !premove) {
5744 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5745 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
5746 if(moveType != WhitePromotion && moveType != BlackPromotion)
5754 InPalace(row, column)
5756 { /* [HGM] for Xiangqi */
5757 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5758 column < (BOARD_WIDTH + 4)/2 &&
5759 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5764 PieceForSquare (x, y)
5768 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5771 return boards[currentMove][y][x];
5775 OKToStartUserMove(x, y)
5778 ChessSquare from_piece;
5781 if (matchMode) return FALSE;
5782 if (gameMode == EditPosition) return TRUE;
5784 if (x >= 0 && y >= 0)
5785 from_piece = boards[currentMove][y][x];
5787 from_piece = EmptySquare;
5789 if (from_piece == EmptySquare) return FALSE;
5791 white_piece = (int)from_piece >= (int)WhitePawn &&
5792 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5795 case PlayFromGameFile:
5797 case TwoMachinesPlay:
5805 case MachinePlaysWhite:
5806 case IcsPlayingBlack:
5807 if (appData.zippyPlay) return FALSE;
5809 DisplayMoveError(_("You are playing Black"));
5814 case MachinePlaysBlack:
5815 case IcsPlayingWhite:
5816 if (appData.zippyPlay) return FALSE;
5818 DisplayMoveError(_("You are playing White"));
5824 if (!white_piece && WhiteOnMove(currentMove)) {
5825 DisplayMoveError(_("It is White's turn"));
5828 if (white_piece && !WhiteOnMove(currentMove)) {
5829 DisplayMoveError(_("It is Black's turn"));
5832 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5833 /* Editing correspondence game history */
5834 /* Could disallow this or prompt for confirmation */
5839 case BeginningOfGame:
5840 if (appData.icsActive) return FALSE;
5841 if (!appData.noChessProgram) {
5843 DisplayMoveError(_("You are playing White"));
5850 if (!white_piece && WhiteOnMove(currentMove)) {
5851 DisplayMoveError(_("It is White's turn"));
5854 if (white_piece && !WhiteOnMove(currentMove)) {
5855 DisplayMoveError(_("It is Black's turn"));
5864 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5865 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5866 && gameMode != AnalyzeFile && gameMode != Training) {
5867 DisplayMoveError(_("Displayed position is not current"));
5874 OnlyMove(int *x, int *y, Boolean captures) {
5875 DisambiguateClosure cl;
5876 if (appData.zippyPlay) return FALSE;
5878 case MachinePlaysBlack:
5879 case IcsPlayingWhite:
5880 case BeginningOfGame:
5881 if(!WhiteOnMove(currentMove)) return FALSE;
5883 case MachinePlaysWhite:
5884 case IcsPlayingBlack:
5885 if(WhiteOnMove(currentMove)) return FALSE;
5892 cl.pieceIn = EmptySquare;
5897 cl.promoCharIn = NULLCHAR;
5898 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5899 if( cl.kind == NormalMove ||
5900 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5901 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5902 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5909 if(cl.kind != ImpossibleMove) return FALSE;
5910 cl.pieceIn = EmptySquare;
5915 cl.promoCharIn = NULLCHAR;
5916 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5917 if( cl.kind == NormalMove ||
5918 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5919 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5920 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5925 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5931 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5932 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5933 int lastLoadGameUseList = FALSE;
5934 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5935 ChessMove lastLoadGameStart = EndOfFile;
5938 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5939 int fromX, fromY, toX, toY;
5943 ChessSquare pdown, pup;
5945 /* Check if the user is playing in turn. This is complicated because we
5946 let the user "pick up" a piece before it is his turn. So the piece he
5947 tried to pick up may have been captured by the time he puts it down!
5948 Therefore we use the color the user is supposed to be playing in this
5949 test, not the color of the piece that is currently on the starting
5950 square---except in EditGame mode, where the user is playing both
5951 sides; fortunately there the capture race can't happen. (It can
5952 now happen in IcsExamining mode, but that's just too bad. The user
5953 will get a somewhat confusing message in that case.)
5957 case PlayFromGameFile:
5959 case TwoMachinesPlay:
5963 /* We switched into a game mode where moves are not accepted,
5964 perhaps while the mouse button was down. */
5967 case MachinePlaysWhite:
5968 /* User is moving for Black */
5969 if (WhiteOnMove(currentMove)) {
5970 DisplayMoveError(_("It is White's turn"));
5975 case MachinePlaysBlack:
5976 /* User is moving for White */
5977 if (!WhiteOnMove(currentMove)) {
5978 DisplayMoveError(_("It is Black's turn"));
5985 case BeginningOfGame:
5988 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
5989 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5990 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5991 /* User is moving for Black */
5992 if (WhiteOnMove(currentMove)) {
5993 DisplayMoveError(_("It is White's turn"));
5997 /* User is moving for White */
5998 if (!WhiteOnMove(currentMove)) {
5999 DisplayMoveError(_("It is Black's turn"));
6005 case IcsPlayingBlack:
6006 /* User is moving for Black */
6007 if (WhiteOnMove(currentMove)) {
6008 if (!appData.premove) {
6009 DisplayMoveError(_("It is White's turn"));
6010 } else if (toX >= 0 && toY >= 0) {
6013 premoveFromX = fromX;
6014 premoveFromY = fromY;
6015 premovePromoChar = promoChar;
6017 if (appData.debugMode)
6018 fprintf(debugFP, "Got premove: fromX %d,"
6019 "fromY %d, toX %d, toY %d\n",
6020 fromX, fromY, toX, toY);
6026 case IcsPlayingWhite:
6027 /* User is moving for White */
6028 if (!WhiteOnMove(currentMove)) {
6029 if (!appData.premove) {
6030 DisplayMoveError(_("It is Black's turn"));
6031 } else if (toX >= 0 && toY >= 0) {
6034 premoveFromX = fromX;
6035 premoveFromY = fromY;
6036 premovePromoChar = promoChar;
6038 if (appData.debugMode)
6039 fprintf(debugFP, "Got premove: fromX %d,"
6040 "fromY %d, toX %d, toY %d\n",
6041 fromX, fromY, toX, toY);
6051 /* EditPosition, empty square, or different color piece;
6052 click-click move is possible */
6053 if (toX == -2 || toY == -2) {
6054 boards[0][fromY][fromX] = EmptySquare;
6055 DrawPosition(FALSE, boards[currentMove]);
6057 } else if (toX >= 0 && toY >= 0) {
6058 boards[0][toY][toX] = boards[0][fromY][fromX];
6059 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6060 if(boards[0][fromY][0] != EmptySquare) {
6061 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6062 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6065 if(fromX == BOARD_RGHT+1) {
6066 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6067 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6068 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6071 boards[0][fromY][fromX] = EmptySquare;
6072 DrawPosition(FALSE, boards[currentMove]);
6078 if(toX < 0 || toY < 0) return;
6079 pdown = boards[currentMove][fromY][fromX];
6080 pup = boards[currentMove][toY][toX];
6082 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6083 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6084 if( pup != EmptySquare ) return;
6085 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6086 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6087 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6088 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6089 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6090 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6091 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6095 /* [HGM] always test for legality, to get promotion info */
6096 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6097 fromY, fromX, toY, toX, promoChar);
6098 /* [HGM] but possibly ignore an IllegalMove result */
6099 if (appData.testLegality) {
6100 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6101 DisplayMoveError(_("Illegal move"));
6106 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6109 /* Common tail of UserMoveEvent and DropMenuEvent */
6111 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6113 int fromX, fromY, toX, toY;
6114 /*char*/int promoChar;
6118 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
6119 // [HGM] superchess: suppress promotions to non-available piece
6120 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6121 if(WhiteOnMove(currentMove)) {
6122 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6124 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6128 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6129 move type in caller when we know the move is a legal promotion */
6130 if(moveType == NormalMove && promoChar)
6131 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6133 /* [HGM] <popupFix> The following if has been moved here from
6134 UserMoveEvent(). Because it seemed to belong here (why not allow
6135 piece drops in training games?), and because it can only be
6136 performed after it is known to what we promote. */
6137 if (gameMode == Training) {
6138 /* compare the move played on the board to the next move in the
6139 * game. If they match, display the move and the opponent's response.
6140 * If they don't match, display an error message.
6144 CopyBoard(testBoard, boards[currentMove]);
6145 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6147 if (CompareBoards(testBoard, boards[currentMove+1])) {
6148 ForwardInner(currentMove+1);
6150 /* Autoplay the opponent's response.
6151 * if appData.animate was TRUE when Training mode was entered,
6152 * the response will be animated.
6154 saveAnimate = appData.animate;
6155 appData.animate = animateTraining;
6156 ForwardInner(currentMove+1);
6157 appData.animate = saveAnimate;
6159 /* check for the end of the game */
6160 if (currentMove >= forwardMostMove) {
6161 gameMode = PlayFromGameFile;
6163 SetTrainingModeOff();
6164 DisplayInformation(_("End of game"));
6167 DisplayError(_("Incorrect move"), 0);
6172 /* Ok, now we know that the move is good, so we can kill
6173 the previous line in Analysis Mode */
6174 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6175 && currentMove < forwardMostMove) {
6176 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6177 else forwardMostMove = currentMove;
6180 /* If we need the chess program but it's dead, restart it */
6181 ResurrectChessProgram();
6183 /* A user move restarts a paused game*/
6187 thinkOutput[0] = NULLCHAR;
6189 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6191 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6192 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6196 if (gameMode == BeginningOfGame) {
6197 if (appData.noChessProgram) {
6198 gameMode = EditGame;
6202 gameMode = MachinePlaysBlack;
6205 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6207 if (first.sendName) {
6208 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6209 SendToProgram(buf, &first);
6216 /* Relay move to ICS or chess engine */
6217 if (appData.icsActive) {
6218 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6219 gameMode == IcsExamining) {
6220 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6221 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6223 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6225 // also send plain move, in case ICS does not understand atomic claims
6226 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6230 if (first.sendTime && (gameMode == BeginningOfGame ||
6231 gameMode == MachinePlaysWhite ||
6232 gameMode == MachinePlaysBlack)) {
6233 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6235 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6236 // [HGM] book: if program might be playing, let it use book
6237 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6238 first.maybeThinking = TRUE;
6239 } else SendMoveToProgram(forwardMostMove-1, &first);
6240 if (currentMove == cmailOldMove + 1) {
6241 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6245 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6249 if(appData.testLegality)
6250 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6256 if (WhiteOnMove(currentMove)) {
6257 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6259 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6263 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6268 case MachinePlaysBlack:
6269 case MachinePlaysWhite:
6270 /* disable certain menu options while machine is thinking */
6271 SetMachineThinkingEnables();
6278 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6280 if(bookHit) { // [HGM] book: simulate book reply
6281 static char bookMove[MSG_SIZ]; // a bit generous?
6283 programStats.nodes = programStats.depth = programStats.time =
6284 programStats.score = programStats.got_only_move = 0;
6285 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6287 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6288 strcat(bookMove, bookHit);
6289 HandleMachineMove(bookMove, &first);
6295 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6302 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6303 Markers *m = (Markers *) closure;
6304 if(rf == fromY && ff == fromX)
6305 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6306 || kind == WhiteCapturesEnPassant
6307 || kind == BlackCapturesEnPassant);
6308 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6312 MarkTargetSquares(int clear)
6315 if(!appData.markers || !appData.highlightDragging ||
6316 !appData.testLegality || gameMode == EditPosition) return;
6318 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6321 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6322 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6323 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6325 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6328 DrawPosition(TRUE, NULL);
6332 Explode(Board board, int fromX, int fromY, int toX, int toY)
6334 if(gameInfo.variant == VariantAtomic &&
6335 (board[toY][toX] != EmptySquare || // capture?
6336 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6337 board[fromY][fromX] == BlackPawn )
6339 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6345 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6347 void LeftClick(ClickType clickType, int xPix, int yPix)
6350 Boolean saveAnimate;
6351 static int second = 0, promotionChoice = 0, dragging = 0;
6352 char promoChoice = NULLCHAR;
6354 if(appData.seekGraph && appData.icsActive && loggedOn &&
6355 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6356 SeekGraphClick(clickType, xPix, yPix, 0);
6360 if (clickType == Press) ErrorPopDown();
6361 MarkTargetSquares(1);
6363 x = EventToSquare(xPix, BOARD_WIDTH);
6364 y = EventToSquare(yPix, BOARD_HEIGHT);
6365 if (!flipView && y >= 0) {
6366 y = BOARD_HEIGHT - 1 - y;
6368 if (flipView && x >= 0) {
6369 x = BOARD_WIDTH - 1 - x;
6372 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6373 if(clickType == Release) return; // ignore upclick of click-click destination
6374 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6375 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6376 if(gameInfo.holdingsWidth &&
6377 (WhiteOnMove(currentMove)
6378 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6379 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6380 // click in right holdings, for determining promotion piece
6381 ChessSquare p = boards[currentMove][y][x];
6382 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6383 if(p != EmptySquare) {
6384 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6389 DrawPosition(FALSE, boards[currentMove]);
6393 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6394 if(clickType == Press
6395 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6396 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6397 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6400 autoQueen = appData.alwaysPromoteToQueen;
6403 gatingPiece = EmptySquare;
6404 if (clickType != Press) {
6405 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6406 DragPieceEnd(xPix, yPix); dragging = 0;
6407 DrawPosition(FALSE, NULL);
6411 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6413 if (OKToStartUserMove(x, y)) {
6417 MarkTargetSquares(0);
6418 DragPieceBegin(xPix, yPix); dragging = 1;
6419 if (appData.highlightDragging) {
6420 SetHighlights(x, y, -1, -1);
6428 if (clickType == Press && gameMode != EditPosition) {
6433 // ignore off-board to clicks
6434 if(y < 0 || x < 0) return;
6436 /* Check if clicking again on the same color piece */
6437 fromP = boards[currentMove][fromY][fromX];
6438 toP = boards[currentMove][y][x];
6439 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6440 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6441 WhitePawn <= toP && toP <= WhiteKing &&
6442 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6443 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6444 (BlackPawn <= fromP && fromP <= BlackKing &&
6445 BlackPawn <= toP && toP <= BlackKing &&
6446 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6447 !(fromP == BlackKing && toP == BlackRook && frc))) {
6448 /* Clicked again on same color piece -- changed his mind */
6449 second = (x == fromX && y == fromY);
6450 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6451 if (appData.highlightDragging) {
6452 SetHighlights(x, y, -1, -1);
6456 if (OKToStartUserMove(x, y)) {
6457 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6458 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6459 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6460 gatingPiece = boards[currentMove][fromY][fromX];
6461 else gatingPiece = EmptySquare;
6463 fromY = y; dragging = 1;
6464 MarkTargetSquares(0);
6465 DragPieceBegin(xPix, yPix);
6468 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6471 // ignore clicks on holdings
6472 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6475 if (clickType == Release && x == fromX && y == fromY) {
6476 DragPieceEnd(xPix, yPix); dragging = 0;
6477 if (appData.animateDragging) {
6478 /* Undo animation damage if any */
6479 DrawPosition(FALSE, NULL);
6482 /* Second up/down in same square; just abort move */
6485 gatingPiece = EmptySquare;
6488 ClearPremoveHighlights();
6490 /* First upclick in same square; start click-click mode */
6491 SetHighlights(x, y, -1, -1);
6496 /* we now have a different from- and (possibly off-board) to-square */
6497 /* Completed move */
6500 saveAnimate = appData.animate;
6501 if (clickType == Press) {
6502 /* Finish clickclick move */
6503 if (appData.animate || appData.highlightLastMove) {
6504 SetHighlights(fromX, fromY, toX, toY);
6509 /* Finish drag move */
6510 if (appData.highlightLastMove) {
6511 SetHighlights(fromX, fromY, toX, toY);
6515 DragPieceEnd(xPix, yPix); dragging = 0;
6516 /* Don't animate move and drag both */
6517 appData.animate = FALSE;
6520 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6521 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6522 ChessSquare piece = boards[currentMove][fromY][fromX];
6523 if(gameMode == EditPosition && piece != EmptySquare &&
6524 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6527 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6528 n = PieceToNumber(piece - (int)BlackPawn);
6529 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6530 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6531 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6533 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6534 n = PieceToNumber(piece);
6535 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6536 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6537 boards[currentMove][n][BOARD_WIDTH-2]++;
6539 boards[currentMove][fromY][fromX] = EmptySquare;
6543 DrawPosition(TRUE, boards[currentMove]);
6547 // off-board moves should not be highlighted
6548 if(x < 0 || y < 0) ClearHighlights();
6550 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
6552 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6553 SetHighlights(fromX, fromY, toX, toY);
6554 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6555 // [HGM] super: promotion to captured piece selected from holdings
6556 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6557 promotionChoice = TRUE;
6558 // kludge follows to temporarily execute move on display, without promoting yet
6559 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6560 boards[currentMove][toY][toX] = p;
6561 DrawPosition(FALSE, boards[currentMove]);
6562 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6563 boards[currentMove][toY][toX] = q;
6564 DisplayMessage("Click in holdings to choose piece", "");
6569 int oldMove = currentMove;
6570 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6571 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6572 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6573 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
6574 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
6575 DrawPosition(TRUE, boards[currentMove]);
6578 appData.animate = saveAnimate;
6579 if (appData.animate || appData.animateDragging) {
6580 /* Undo animation damage if needed */
6581 DrawPosition(FALSE, NULL);
6585 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6586 { // front-end-free part taken out of PieceMenuPopup
6587 int whichMenu; int xSqr, ySqr;
6589 if(seekGraphUp) { // [HGM] seekgraph
6590 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6591 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6595 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6596 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6597 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
6598 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
6599 if(action == Press) {
6600 originalFlip = flipView;
6601 flipView = !flipView; // temporarily flip board to see game from partners perspective
6602 DrawPosition(TRUE, partnerBoard);
6603 DisplayMessage(partnerStatus, "");
6605 } else if(action == Release) {
6606 flipView = originalFlip;
6607 DrawPosition(TRUE, boards[currentMove]);
6613 xSqr = EventToSquare(x, BOARD_WIDTH);
6614 ySqr = EventToSquare(y, BOARD_HEIGHT);
6615 if (action == Release) UnLoadPV(); // [HGM] pv
6616 if (action != Press) return -2; // return code to be ignored
6619 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6621 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6622 if (xSqr < 0 || ySqr < 0) return -1;
\r
6623 whichMenu = 0; // edit-position menu
6626 if(!appData.icsEngineAnalyze) return -1;
6627 case IcsPlayingWhite:
6628 case IcsPlayingBlack:
6629 if(!appData.zippyPlay) goto noZip;
6632 case MachinePlaysWhite:
6633 case MachinePlaysBlack:
6634 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6635 if (!appData.dropMenu) {
6637 return 2; // flag front-end to grab mouse events
6639 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6640 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6643 if (xSqr < 0 || ySqr < 0) return -1;
6644 if (!appData.dropMenu || appData.testLegality &&
6645 gameInfo.variant != VariantBughouse &&
6646 gameInfo.variant != VariantCrazyhouse) return -1;
6647 whichMenu = 1; // drop menu
6653 if (((*fromX = xSqr) < 0) ||
6654 ((*fromY = ySqr) < 0)) {
6655 *fromX = *fromY = -1;
6659 *fromX = BOARD_WIDTH - 1 - *fromX;
6661 *fromY = BOARD_HEIGHT - 1 - *fromY;
6666 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6668 // char * hint = lastHint;
6669 FrontEndProgramStats stats;
6671 stats.which = cps == &first ? 0 : 1;
6672 stats.depth = cpstats->depth;
6673 stats.nodes = cpstats->nodes;
6674 stats.score = cpstats->score;
6675 stats.time = cpstats->time;
6676 stats.pv = cpstats->movelist;
6677 stats.hint = lastHint;
6678 stats.an_move_index = 0;
6679 stats.an_move_count = 0;
6681 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6682 stats.hint = cpstats->move_name;
6683 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6684 stats.an_move_count = cpstats->nr_moves;
6687 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
6689 SetProgramStats( &stats );
6693 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
6694 { // count all piece types
6696 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
6697 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
6698 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
6701 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
6702 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
6703 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
6704 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
6705 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
6706 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
6711 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
6713 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
6714 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
6716 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
6717 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
6718 if(myPawns == 2 && nMine == 3) // KPP
6719 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
6720 if(myPawns == 1 && nMine == 2) // KP
6721 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6722 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
6723 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
6724 if(myPawns) return FALSE;
6725 if(pCnt[WhiteRook+side])
6726 return pCnt[BlackRook-side] ||
6727 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
6728 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
6729 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
6730 if(pCnt[WhiteCannon+side]) {
6731 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
6732 return majorDefense || pCnt[BlackAlfil-side] >= 2;
6734 if(pCnt[WhiteKnight+side])
6735 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6740 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
6742 VariantClass v = gameInfo.variant;
6744 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
6745 if(v == VariantShatranj) return TRUE; // always winnable through baring
6746 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
6747 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
6749 if(v == VariantXiangqi) {
6750 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
6752 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
6753 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
6754 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
6755 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
6756 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
6757 if(stale) // we have at least one last-rank P plus perhaps C
6758 return majors // KPKX
6759 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
6761 return pCnt[WhiteFerz+side] // KCAK
6762 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
6763 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
6764 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
6766 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
6767 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
6769 if(nMine == 1) return FALSE; // bare King
6770 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
6771 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
6772 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
6773 // by now we have King + 1 piece (or multiple Bishops on the same color)
6774 if(pCnt[WhiteKnight+side])
6775 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
6776 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
6777 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
6779 return (pCnt[BlackKnight-side]); // KBKN, KFKN
6780 if(pCnt[WhiteAlfil+side])
6781 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
6782 if(pCnt[WhiteWazir+side])
6783 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
6790 Adjudicate(ChessProgramState *cps)
6791 { // [HGM] some adjudications useful with buggy engines
6792 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6793 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6794 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6795 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6796 int k, count = 0; static int bare = 1;
6797 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6798 Boolean canAdjudicate = !appData.icsActive;
6800 // most tests only when we understand the game, i.e. legality-checking on
6801 if( appData.testLegality )
6802 { /* [HGM] Some more adjudications for obstinate engines */
6803 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
6804 static int moveCount = 6;
6806 char *reason = NULL;
6808 /* Count what is on board. */
6809 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
6811 /* Some material-based adjudications that have to be made before stalemate test */
6812 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
6813 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6814 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6815 if(canAdjudicate && appData.checkMates) {
6817 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6818 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6819 "Xboard adjudication: King destroyed", GE_XBOARD );
6824 /* Bare King in Shatranj (loses) or Losers (wins) */
6825 if( nrW == 1 || nrB == 1) {
6826 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6827 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6828 if(canAdjudicate && appData.checkMates) {
6830 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6831 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6832 "Xboard adjudication: Bare king", GE_XBOARD );
6836 if( gameInfo.variant == VariantShatranj && --bare < 0)
6838 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6839 if(canAdjudicate && appData.checkMates) {
6840 /* but only adjudicate if adjudication enabled */
6842 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6843 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
6844 "Xboard adjudication: Bare king", GE_XBOARD );
6851 // don't wait for engine to announce game end if we can judge ourselves
6852 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6854 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6855 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6856 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6857 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6860 reason = "Xboard adjudication: 3rd check";
6861 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6871 reason = "Xboard adjudication: Stalemate";
6872 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6873 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6874 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6875 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6876 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6877 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
6878 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
6879 EP_CHECKMATE : EP_WINS);
6880 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6881 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6885 reason = "Xboard adjudication: Checkmate";
6886 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6890 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6892 result = GameIsDrawn; break;
6894 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6896 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6900 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6902 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6903 GameEnds( result, reason, GE_XBOARD );
6907 /* Next absolutely insufficient mating material. */
6908 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
6909 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
6910 { /* includes KBK, KNK, KK of KBKB with like Bishops */
6912 /* always flag draws, for judging claims */
6913 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6915 if(canAdjudicate && appData.materialDraws) {
6916 /* but only adjudicate them if adjudication enabled */
6917 if(engineOpponent) {
6918 SendToProgram("force\n", engineOpponent); // suppress reply
6919 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6921 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6926 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6927 if(gameInfo.variant == VariantXiangqi ?
6928 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
6930 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
6931 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
6932 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
6933 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
6935 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
6936 { /* if the first 3 moves do not show a tactical win, declare draw */
6937 if(engineOpponent) {
6938 SendToProgram("force\n", engineOpponent); // suppress reply
6939 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6941 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6944 } else moveCount = 6;
6946 if (appData.debugMode) { int i;
6947 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6948 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6949 appData.drawRepeats);
6950 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6951 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6955 // Repetition draws and 50-move rule can be applied independently of legality testing
6957 /* Check for rep-draws */
6959 for(k = forwardMostMove-2;
6960 k>=backwardMostMove && k>=forwardMostMove-100 &&
6961 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6962 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6965 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6966 /* compare castling rights */
6967 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6968 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6969 rights++; /* King lost rights, while rook still had them */
6970 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6971 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6972 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6973 rights++; /* but at least one rook lost them */
6975 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6976 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6978 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6979 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6980 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6983 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
6984 && appData.drawRepeats > 1) {
6985 /* adjudicate after user-specified nr of repeats */
6986 int result = GameIsDrawn;
6987 char *details = "XBoard adjudication: repetition draw";
6988 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6989 // [HGM] xiangqi: check for forbidden perpetuals
6990 int m, ourPerpetual = 1, hisPerpetual = 1;
6991 for(m=forwardMostMove; m>k; m-=2) {
6992 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6993 ourPerpetual = 0; // the current mover did not always check
6994 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6995 hisPerpetual = 0; // the opponent did not always check
6997 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6998 ourPerpetual, hisPerpetual);
6999 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7000 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7001 details = "Xboard adjudication: perpetual checking";
7003 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7004 break; // (or we would have caught him before). Abort repetition-checking loop.
7006 // Now check for perpetual chases
7007 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7008 hisPerpetual = PerpetualChase(k, forwardMostMove);
7009 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7010 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7011 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7012 details = "Xboard adjudication: perpetual chasing";
7014 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7015 break; // Abort repetition-checking loop.
7017 // if neither of us is checking or chasing all the time, or both are, it is draw
7019 if(engineOpponent) {
7020 SendToProgram("force\n", engineOpponent); // suppress reply
7021 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7023 GameEnds( result, details, GE_XBOARD );
7026 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7027 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7031 /* Now we test for 50-move draws. Determine ply count */
7032 count = forwardMostMove;
7033 /* look for last irreversble move */
7034 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7036 /* if we hit starting position, add initial plies */
7037 if( count == backwardMostMove )
7038 count -= initialRulePlies;
7039 count = forwardMostMove - count;
7040 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7041 // adjust reversible move counter for checks in Xiangqi
7042 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7043 if(i < backwardMostMove) i = backwardMostMove;
7044 while(i <= forwardMostMove) {
7045 lastCheck = inCheck; // check evasion does not count
7046 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7047 if(inCheck || lastCheck) count--; // check does not count
7052 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7053 /* this is used to judge if draw claims are legal */
7054 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7055 if(engineOpponent) {
7056 SendToProgram("force\n", engineOpponent); // suppress reply
7057 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7059 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7063 /* if draw offer is pending, treat it as a draw claim
7064 * when draw condition present, to allow engines a way to
7065 * claim draws before making their move to avoid a race
7066 * condition occurring after their move
7068 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7070 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7071 p = "Draw claim: 50-move rule";
7072 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7073 p = "Draw claim: 3-fold repetition";
7074 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7075 p = "Draw claim: insufficient mating material";
7076 if( p != NULL && canAdjudicate) {
7077 if(engineOpponent) {
7078 SendToProgram("force\n", engineOpponent); // suppress reply
7079 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7081 GameEnds( GameIsDrawn, p, GE_XBOARD );
7086 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7087 if(engineOpponent) {
7088 SendToProgram("force\n", engineOpponent); // suppress reply
7089 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7091 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7097 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7098 { // [HGM] book: this routine intercepts moves to simulate book replies
7099 char *bookHit = NULL;
7101 //first determine if the incoming move brings opponent into his book
7102 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7103 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7104 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7105 if(bookHit != NULL && !cps->bookSuspend) {
7106 // make sure opponent is not going to reply after receiving move to book position
7107 SendToProgram("force\n", cps);
7108 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7110 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7111 // now arrange restart after book miss
7113 // after a book hit we never send 'go', and the code after the call to this routine
7114 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7116 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
7117 SendToProgram(buf, cps);
7118 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7119 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7120 SendToProgram("go\n", cps);
7121 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7122 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7123 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7124 SendToProgram("go\n", cps);
7125 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7127 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7131 ChessProgramState *savedState;
7132 void DeferredBookMove(void)
7134 if(savedState->lastPing != savedState->lastPong)
7135 ScheduleDelayedEvent(DeferredBookMove, 10);
7137 HandleMachineMove(savedMessage, savedState);
7141 HandleMachineMove(message, cps)
7143 ChessProgramState *cps;
7145 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7146 char realname[MSG_SIZ];
7147 int fromX, fromY, toX, toY;
7156 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7158 * Kludge to ignore BEL characters
7160 while (*message == '\007') message++;
7163 * [HGM] engine debug message: ignore lines starting with '#' character
7165 if(cps->debug && *message == '#') return;
7168 * Look for book output
7170 if (cps == &first && bookRequested) {
7171 if (message[0] == '\t' || message[0] == ' ') {
7172 /* Part of the book output is here; append it */
7173 strcat(bookOutput, message);
7174 strcat(bookOutput, " \n");
7176 } else if (bookOutput[0] != NULLCHAR) {
7177 /* All of book output has arrived; display it */
7178 char *p = bookOutput;
7179 while (*p != NULLCHAR) {
7180 if (*p == '\t') *p = ' ';
7183 DisplayInformation(bookOutput);
7184 bookRequested = FALSE;
7185 /* Fall through to parse the current output */
7190 * Look for machine move.
7192 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7193 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7195 /* This method is only useful on engines that support ping */
7196 if (cps->lastPing != cps->lastPong) {
7197 if (gameMode == BeginningOfGame) {
7198 /* Extra move from before last new; ignore */
7199 if (appData.debugMode) {
7200 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7203 if (appData.debugMode) {
7204 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7205 cps->which, gameMode);
7208 SendToProgram("undo\n", cps);
7214 case BeginningOfGame:
7215 /* Extra move from before last reset; ignore */
7216 if (appData.debugMode) {
7217 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7224 /* Extra move after we tried to stop. The mode test is
7225 not a reliable way of detecting this problem, but it's
7226 the best we can do on engines that don't support ping.
7228 if (appData.debugMode) {
7229 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7230 cps->which, gameMode);
7232 SendToProgram("undo\n", cps);
7235 case MachinePlaysWhite:
7236 case IcsPlayingWhite:
7237 machineWhite = TRUE;
7240 case MachinePlaysBlack:
7241 case IcsPlayingBlack:
7242 machineWhite = FALSE;
7245 case TwoMachinesPlay:
7246 machineWhite = (cps->twoMachinesColor[0] == 'w');
7249 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7250 if (appData.debugMode) {
7252 "Ignoring move out of turn by %s, gameMode %d"
7253 ", forwardMost %d\n",
7254 cps->which, gameMode, forwardMostMove);
7259 if (appData.debugMode) { int f = forwardMostMove;
7260 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7261 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7262 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7264 if(cps->alphaRank) AlphaRank(machineMove, 4);
7265 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7266 &fromX, &fromY, &toX, &toY, &promoChar)) {
7267 /* Machine move could not be parsed; ignore it. */
7268 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7269 machineMove, _(cps->which));
7270 DisplayError(buf1, 0);
7271 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7272 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7273 if (gameMode == TwoMachinesPlay) {
7274 GameEnds(machineWhite ? BlackWins : WhiteWins,
7280 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7281 /* So we have to redo legality test with true e.p. status here, */
7282 /* to make sure an illegal e.p. capture does not slip through, */
7283 /* to cause a forfeit on a justified illegal-move complaint */
7284 /* of the opponent. */
7285 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7287 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7288 fromY, fromX, toY, toX, promoChar);
7289 if (appData.debugMode) {
7291 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7292 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7293 fprintf(debugFP, "castling rights\n");
7295 if(moveType == IllegalMove) {
7296 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7297 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7298 GameEnds(machineWhite ? BlackWins : WhiteWins,
7301 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7302 /* [HGM] Kludge to handle engines that send FRC-style castling
7303 when they shouldn't (like TSCP-Gothic) */
7305 case WhiteASideCastleFR:
7306 case BlackASideCastleFR:
7308 currentMoveString[2]++;
7310 case WhiteHSideCastleFR:
7311 case BlackHSideCastleFR:
7313 currentMoveString[2]--;
7315 default: ; // nothing to do, but suppresses warning of pedantic compilers
7318 hintRequested = FALSE;
7319 lastHint[0] = NULLCHAR;
7320 bookRequested = FALSE;
7321 /* Program may be pondering now */
7322 cps->maybeThinking = TRUE;
7323 if (cps->sendTime == 2) cps->sendTime = 1;
7324 if (cps->offeredDraw) cps->offeredDraw--;
7326 /* [AS] Save move info*/
7327 pvInfoList[ forwardMostMove ].score = programStats.score;
7328 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7329 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7331 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7333 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7334 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7337 while( count < adjudicateLossPlies ) {
7338 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7341 score = -score; /* Flip score for winning side */
7344 if( score > adjudicateLossThreshold ) {
7351 if( count >= adjudicateLossPlies ) {
7352 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7354 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7355 "Xboard adjudication",
7362 if(Adjudicate(cps)) {
7363 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7364 return; // [HGM] adjudicate: for all automatic game ends
7368 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7370 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7371 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7373 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7375 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7377 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7378 char buf[3*MSG_SIZ];
7380 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7381 programStats.score / 100.,
7383 programStats.time / 100.,
7384 (unsigned int)programStats.nodes,
7385 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7386 programStats.movelist);
7388 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7393 /* [AS] Clear stats for next move */
7394 ClearProgramStats();
7395 thinkOutput[0] = NULLCHAR;
7396 hiddenThinkOutputState = 0;
7399 if (gameMode == TwoMachinesPlay) {
7400 /* [HGM] relaying draw offers moved to after reception of move */
7401 /* and interpreting offer as claim if it brings draw condition */
7402 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7403 SendToProgram("draw\n", cps->other);
7405 if (cps->other->sendTime) {
7406 SendTimeRemaining(cps->other,
7407 cps->other->twoMachinesColor[0] == 'w');
7409 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7410 if (firstMove && !bookHit) {
7412 if (cps->other->useColors) {
7413 SendToProgram(cps->other->twoMachinesColor, cps->other);
7415 SendToProgram("go\n", cps->other);
7417 cps->other->maybeThinking = TRUE;
7420 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7422 if (!pausing && appData.ringBellAfterMoves) {
7427 * Reenable menu items that were disabled while
7428 * machine was thinking
7430 if (gameMode != TwoMachinesPlay)
7431 SetUserThinkingEnables();
7433 // [HGM] book: after book hit opponent has received move and is now in force mode
7434 // force the book reply into it, and then fake that it outputted this move by jumping
7435 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7437 static char bookMove[MSG_SIZ]; // a bit generous?
7439 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7440 strcat(bookMove, bookHit);
7443 programStats.nodes = programStats.depth = programStats.time =
7444 programStats.score = programStats.got_only_move = 0;
7445 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7447 if(cps->lastPing != cps->lastPong) {
7448 savedMessage = message; // args for deferred call
7450 ScheduleDelayedEvent(DeferredBookMove, 10);
7459 /* Set special modes for chess engines. Later something general
7460 * could be added here; for now there is just one kludge feature,
7461 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7462 * when "xboard" is given as an interactive command.
7464 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7465 cps->useSigint = FALSE;
7466 cps->useSigterm = FALSE;
7468 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7469 ParseFeatures(message+8, cps);
7470 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7473 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
7474 int dummy, s=6; char buf[MSG_SIZ];
7475 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
7476 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
7477 ParseFEN(boards[0], &dummy, message+s);
7478 DrawPosition(TRUE, boards[0]);
7479 startedFromSetupPosition = TRUE;
7482 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7483 * want this, I was asked to put it in, and obliged.
7485 if (!strncmp(message, "setboard ", 9)) {
7486 Board initial_position;
7488 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7490 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7491 DisplayError(_("Bad FEN received from engine"), 0);
7495 CopyBoard(boards[0], initial_position);
7496 initialRulePlies = FENrulePlies;
7497 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7498 else gameMode = MachinePlaysBlack;
7499 DrawPosition(FALSE, boards[currentMove]);
7505 * Look for communication commands
7507 if (!strncmp(message, "telluser ", 9)) {
7508 if(message[9] == '\\' && message[10] == '\\')
7509 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
7510 DisplayNote(message + 9);
7513 if (!strncmp(message, "tellusererror ", 14)) {
7515 if(message[14] == '\\' && message[15] == '\\')
7516 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
7517 DisplayError(message + 14, 0);
7520 if (!strncmp(message, "tellopponent ", 13)) {
7521 if (appData.icsActive) {
7523 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7527 DisplayNote(message + 13);
7531 if (!strncmp(message, "tellothers ", 11)) {
7532 if (appData.icsActive) {
7534 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7540 if (!strncmp(message, "tellall ", 8)) {
7541 if (appData.icsActive) {
7543 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7547 DisplayNote(message + 8);
7551 if (strncmp(message, "warning", 7) == 0) {
7552 /* Undocumented feature, use tellusererror in new code */
7553 DisplayError(message, 0);
7556 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7557 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
7558 strcat(realname, " query");
7559 AskQuestion(realname, buf2, buf1, cps->pr);
7562 /* Commands from the engine directly to ICS. We don't allow these to be
7563 * sent until we are logged on. Crafty kibitzes have been known to
7564 * interfere with the login process.
7567 if (!strncmp(message, "tellics ", 8)) {
7568 SendToICS(message + 8);
7572 if (!strncmp(message, "tellicsnoalias ", 15)) {
7573 SendToICS(ics_prefix);
7574 SendToICS(message + 15);
7578 /* The following are for backward compatibility only */
7579 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7580 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7581 SendToICS(ics_prefix);
7587 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7591 * If the move is illegal, cancel it and redraw the board.
7592 * Also deal with other error cases. Matching is rather loose
7593 * here to accommodate engines written before the spec.
7595 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7596 strncmp(message, "Error", 5) == 0) {
7597 if (StrStr(message, "name") ||
7598 StrStr(message, "rating") || StrStr(message, "?") ||
7599 StrStr(message, "result") || StrStr(message, "board") ||
7600 StrStr(message, "bk") || StrStr(message, "computer") ||
7601 StrStr(message, "variant") || StrStr(message, "hint") ||
7602 StrStr(message, "random") || StrStr(message, "depth") ||
7603 StrStr(message, "accepted")) {
7606 if (StrStr(message, "protover")) {
7607 /* Program is responding to input, so it's apparently done
7608 initializing, and this error message indicates it is
7609 protocol version 1. So we don't need to wait any longer
7610 for it to initialize and send feature commands. */
7611 FeatureDone(cps, 1);
7612 cps->protocolVersion = 1;
7615 cps->maybeThinking = FALSE;
7617 if (StrStr(message, "draw")) {
7618 /* Program doesn't have "draw" command */
7619 cps->sendDrawOffers = 0;
7622 if (cps->sendTime != 1 &&
7623 (StrStr(message, "time") || StrStr(message, "otim"))) {
7624 /* Program apparently doesn't have "time" or "otim" command */
7628 if (StrStr(message, "analyze")) {
7629 cps->analysisSupport = FALSE;
7630 cps->analyzing = FALSE;
7632 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
7633 DisplayError(buf2, 0);
7636 if (StrStr(message, "(no matching move)st")) {
7637 /* Special kludge for GNU Chess 4 only */
7638 cps->stKludge = TRUE;
7639 SendTimeControl(cps, movesPerSession, timeControl,
7640 timeIncrement, appData.searchDepth,
7644 if (StrStr(message, "(no matching move)sd")) {
7645 /* Special kludge for GNU Chess 4 only */
7646 cps->sdKludge = TRUE;
7647 SendTimeControl(cps, movesPerSession, timeControl,
7648 timeIncrement, appData.searchDepth,
7652 if (!StrStr(message, "llegal")) {
7655 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7656 gameMode == IcsIdle) return;
7657 if (forwardMostMove <= backwardMostMove) return;
7658 if (pausing) PauseEvent();
7659 if(appData.forceIllegal) {
7660 // [HGM] illegal: machine refused move; force position after move into it
7661 SendToProgram("force\n", cps);
7662 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7663 // we have a real problem now, as SendBoard will use the a2a3 kludge
7664 // when black is to move, while there might be nothing on a2 or black
7665 // might already have the move. So send the board as if white has the move.
7666 // But first we must change the stm of the engine, as it refused the last move
7667 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7668 if(WhiteOnMove(forwardMostMove)) {
7669 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7670 SendBoard(cps, forwardMostMove); // kludgeless board
7672 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7673 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7674 SendBoard(cps, forwardMostMove+1); // kludgeless board
7676 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7677 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7678 gameMode == TwoMachinesPlay)
7679 SendToProgram("go\n", cps);
7682 if (gameMode == PlayFromGameFile) {
7683 /* Stop reading this game file */
7684 gameMode = EditGame;
7687 /* [HGM] illegal-move claim should forfeit game when Xboard */
7688 /* only passes fully legal moves */
7689 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7690 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7691 "False illegal-move claim", GE_XBOARD );
7692 return; // do not take back move we tested as valid
7694 currentMove = forwardMostMove-1;
7695 DisplayMove(currentMove-1); /* before DisplayMoveError */
7696 SwitchClocks(forwardMostMove-1); // [HGM] race
7697 DisplayBothClocks();
7698 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
7699 parseList[currentMove], _(cps->which));
7700 DisplayMoveError(buf1);
7701 DrawPosition(FALSE, boards[currentMove]);
7704 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7705 /* Program has a broken "time" command that
7706 outputs a string not ending in newline.
7712 * If chess program startup fails, exit with an error message.
7713 * Attempts to recover here are futile.
7715 if ((StrStr(message, "unknown host") != NULL)
7716 || (StrStr(message, "No remote directory") != NULL)
7717 || (StrStr(message, "not found") != NULL)
7718 || (StrStr(message, "No such file") != NULL)
7719 || (StrStr(message, "can't alloc") != NULL)
7720 || (StrStr(message, "Permission denied") != NULL)) {
7722 cps->maybeThinking = FALSE;
7723 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7724 _(cps->which), cps->program, cps->host, message);
7725 RemoveInputSource(cps->isr);
7726 DisplayFatalError(buf1, 0, 1);
7731 * Look for hint output
7733 if (sscanf(message, "Hint: %s", buf1) == 1) {
7734 if (cps == &first && hintRequested) {
7735 hintRequested = FALSE;
7736 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7737 &fromX, &fromY, &toX, &toY, &promoChar)) {
7738 (void) CoordsToAlgebraic(boards[forwardMostMove],
7739 PosFlags(forwardMostMove),
7740 fromY, fromX, toY, toX, promoChar, buf1);
7741 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7742 DisplayInformation(buf2);
7744 /* Hint move could not be parsed!? */
7745 snprintf(buf2, sizeof(buf2),
7746 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7747 buf1, _(cps->which));
7748 DisplayError(buf2, 0);
7751 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
7757 * Ignore other messages if game is not in progress
7759 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7760 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7763 * look for win, lose, draw, or draw offer
7765 if (strncmp(message, "1-0", 3) == 0) {
7766 char *p, *q, *r = "";
7767 p = strchr(message, '{');
7775 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7777 } else if (strncmp(message, "0-1", 3) == 0) {
7778 char *p, *q, *r = "";
7779 p = strchr(message, '{');
7787 /* Kludge for Arasan 4.1 bug */
7788 if (strcmp(r, "Black resigns") == 0) {
7789 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7792 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7794 } else if (strncmp(message, "1/2", 3) == 0) {
7795 char *p, *q, *r = "";
7796 p = strchr(message, '{');
7805 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7808 } else if (strncmp(message, "White resign", 12) == 0) {
7809 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7811 } else if (strncmp(message, "Black resign", 12) == 0) {
7812 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7814 } else if (strncmp(message, "White matches", 13) == 0 ||
7815 strncmp(message, "Black matches", 13) == 0 ) {
7816 /* [HGM] ignore GNUShogi noises */
7818 } else if (strncmp(message, "White", 5) == 0 &&
7819 message[5] != '(' &&
7820 StrStr(message, "Black") == NULL) {
7821 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7823 } else if (strncmp(message, "Black", 5) == 0 &&
7824 message[5] != '(') {
7825 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7827 } else if (strcmp(message, "resign") == 0 ||
7828 strcmp(message, "computer resigns") == 0) {
7830 case MachinePlaysBlack:
7831 case IcsPlayingBlack:
7832 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7834 case MachinePlaysWhite:
7835 case IcsPlayingWhite:
7836 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7838 case TwoMachinesPlay:
7839 if (cps->twoMachinesColor[0] == 'w')
7840 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7842 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7849 } else if (strncmp(message, "opponent mates", 14) == 0) {
7851 case MachinePlaysBlack:
7852 case IcsPlayingBlack:
7853 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7855 case MachinePlaysWhite:
7856 case IcsPlayingWhite:
7857 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7859 case TwoMachinesPlay:
7860 if (cps->twoMachinesColor[0] == 'w')
7861 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7863 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7870 } else if (strncmp(message, "computer mates", 14) == 0) {
7872 case MachinePlaysBlack:
7873 case IcsPlayingBlack:
7874 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7876 case MachinePlaysWhite:
7877 case IcsPlayingWhite:
7878 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7880 case TwoMachinesPlay:
7881 if (cps->twoMachinesColor[0] == 'w')
7882 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7884 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7891 } else if (strncmp(message, "checkmate", 9) == 0) {
7892 if (WhiteOnMove(forwardMostMove)) {
7893 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7895 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7898 } else if (strstr(message, "Draw") != NULL ||
7899 strstr(message, "game is a draw") != NULL) {
7900 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7902 } else if (strstr(message, "offer") != NULL &&
7903 strstr(message, "draw") != NULL) {
7905 if (appData.zippyPlay && first.initDone) {
7906 /* Relay offer to ICS */
7907 SendToICS(ics_prefix);
7908 SendToICS("draw\n");
7911 cps->offeredDraw = 2; /* valid until this engine moves twice */
7912 if (gameMode == TwoMachinesPlay) {
7913 if (cps->other->offeredDraw) {
7914 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7915 /* [HGM] in two-machine mode we delay relaying draw offer */
7916 /* until after we also have move, to see if it is really claim */
7918 } else if (gameMode == MachinePlaysWhite ||
7919 gameMode == MachinePlaysBlack) {
7920 if (userOfferedDraw) {
7921 DisplayInformation(_("Machine accepts your draw offer"));
7922 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7924 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7931 * Look for thinking output
7933 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7934 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7936 int plylev, mvleft, mvtot, curscore, time;
7937 char mvname[MOVE_LEN];
7941 int prefixHint = FALSE;
7942 mvname[0] = NULLCHAR;
7945 case MachinePlaysBlack:
7946 case IcsPlayingBlack:
7947 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7949 case MachinePlaysWhite:
7950 case IcsPlayingWhite:
7951 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7956 case IcsObserving: /* [DM] icsEngineAnalyze */
7957 if (!appData.icsEngineAnalyze) ignore = TRUE;
7959 case TwoMachinesPlay:
7960 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7970 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7972 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7973 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7975 if (plyext != ' ' && plyext != '\t') {
7979 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7980 if( cps->scoreIsAbsolute &&
7981 ( gameMode == MachinePlaysBlack ||
7982 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7983 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7984 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7985 !WhiteOnMove(currentMove)
7988 curscore = -curscore;
7992 tempStats.depth = plylev;
7993 tempStats.nodes = nodes;
7994 tempStats.time = time;
7995 tempStats.score = curscore;
7996 tempStats.got_only_move = 0;
7998 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8001 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8002 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8003 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8004 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8005 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8006 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8007 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8008 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8011 /* Buffer overflow protection */
8012 if (buf1[0] != NULLCHAR) {
8013 if (strlen(buf1) >= sizeof(tempStats.movelist)
8014 && appData.debugMode) {
8016 "PV is too long; using the first %u bytes.\n",
8017 (unsigned) sizeof(tempStats.movelist) - 1);
8020 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8022 sprintf(tempStats.movelist, " no PV\n");
8025 if (tempStats.seen_stat) {
8026 tempStats.ok_to_send = 1;
8029 if (strchr(tempStats.movelist, '(') != NULL) {
8030 tempStats.line_is_book = 1;
8031 tempStats.nr_moves = 0;
8032 tempStats.moves_left = 0;
8034 tempStats.line_is_book = 0;
8037 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8038 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8040 SendProgramStatsToFrontend( cps, &tempStats );
8043 [AS] Protect the thinkOutput buffer from overflow... this
8044 is only useful if buf1 hasn't overflowed first!
8046 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8048 (gameMode == TwoMachinesPlay ?
8049 ToUpper(cps->twoMachinesColor[0]) : ' '),
8050 ((double) curscore) / 100.0,
8051 prefixHint ? lastHint : "",
8052 prefixHint ? " " : "" );
8054 if( buf1[0] != NULLCHAR ) {
8055 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8057 if( strlen(buf1) > max_len ) {
8058 if( appData.debugMode) {
8059 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8061 buf1[max_len+1] = '\0';
8064 strcat( thinkOutput, buf1 );
8067 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8068 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8069 DisplayMove(currentMove - 1);
8073 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8074 /* crafty (9.25+) says "(only move) <move>"
8075 * if there is only 1 legal move
8077 sscanf(p, "(only move) %s", buf1);
8078 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8079 sprintf(programStats.movelist, "%s (only move)", buf1);
8080 programStats.depth = 1;
8081 programStats.nr_moves = 1;
8082 programStats.moves_left = 1;
8083 programStats.nodes = 1;
8084 programStats.time = 1;
8085 programStats.got_only_move = 1;
8087 /* Not really, but we also use this member to
8088 mean "line isn't going to change" (Crafty
8089 isn't searching, so stats won't change) */
8090 programStats.line_is_book = 1;
8092 SendProgramStatsToFrontend( cps, &programStats );
8094 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8095 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8096 DisplayMove(currentMove - 1);
8099 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8100 &time, &nodes, &plylev, &mvleft,
8101 &mvtot, mvname) >= 5) {
8102 /* The stat01: line is from Crafty (9.29+) in response
8103 to the "." command */
8104 programStats.seen_stat = 1;
8105 cps->maybeThinking = TRUE;
8107 if (programStats.got_only_move || !appData.periodicUpdates)
8110 programStats.depth = plylev;
8111 programStats.time = time;
8112 programStats.nodes = nodes;
8113 programStats.moves_left = mvleft;
8114 programStats.nr_moves = mvtot;
8115 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8116 programStats.ok_to_send = 1;
8117 programStats.movelist[0] = '\0';
8119 SendProgramStatsToFrontend( cps, &programStats );
8123 } else if (strncmp(message,"++",2) == 0) {
8124 /* Crafty 9.29+ outputs this */
8125 programStats.got_fail = 2;
8128 } else if (strncmp(message,"--",2) == 0) {
8129 /* Crafty 9.29+ outputs this */
8130 programStats.got_fail = 1;
8133 } else if (thinkOutput[0] != NULLCHAR &&
8134 strncmp(message, " ", 4) == 0) {
8135 unsigned message_len;
8138 while (*p && *p == ' ') p++;
8140 message_len = strlen( p );
8142 /* [AS] Avoid buffer overflow */
8143 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8144 strcat(thinkOutput, " ");
8145 strcat(thinkOutput, p);
8148 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8149 strcat(programStats.movelist, " ");
8150 strcat(programStats.movelist, p);
8153 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8154 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8155 DisplayMove(currentMove - 1);
8163 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8164 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8166 ChessProgramStats cpstats;
8168 if (plyext != ' ' && plyext != '\t') {
8172 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8173 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8174 curscore = -curscore;
8177 cpstats.depth = plylev;
8178 cpstats.nodes = nodes;
8179 cpstats.time = time;
8180 cpstats.score = curscore;
8181 cpstats.got_only_move = 0;
8182 cpstats.movelist[0] = '\0';
8184 if (buf1[0] != NULLCHAR) {
8185 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8188 cpstats.ok_to_send = 0;
8189 cpstats.line_is_book = 0;
8190 cpstats.nr_moves = 0;
8191 cpstats.moves_left = 0;
8193 SendProgramStatsToFrontend( cps, &cpstats );
8200 /* Parse a game score from the character string "game", and
8201 record it as the history of the current game. The game
8202 score is NOT assumed to start from the standard position.
8203 The display is not updated in any way.
8206 ParseGameHistory(game)
8210 int fromX, fromY, toX, toY, boardIndex;
8215 if (appData.debugMode)
8216 fprintf(debugFP, "Parsing game history: %s\n", game);
8218 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8219 gameInfo.site = StrSave(appData.icsHost);
8220 gameInfo.date = PGNDate();
8221 gameInfo.round = StrSave("-");
8223 /* Parse out names of players */
8224 while (*game == ' ') game++;
8226 while (*game != ' ') *p++ = *game++;
8228 gameInfo.white = StrSave(buf);
8229 while (*game == ' ') game++;
8231 while (*game != ' ' && *game != '\n') *p++ = *game++;
8233 gameInfo.black = StrSave(buf);
8236 boardIndex = blackPlaysFirst ? 1 : 0;
8239 yyboardindex = boardIndex;
8240 moveType = (ChessMove) Myylex();
8242 case IllegalMove: /* maybe suicide chess, etc. */
8243 if (appData.debugMode) {
8244 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8245 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8246 setbuf(debugFP, NULL);
8248 case WhitePromotion:
8249 case BlackPromotion:
8250 case WhiteNonPromotion:
8251 case BlackNonPromotion:
8253 case WhiteCapturesEnPassant:
8254 case BlackCapturesEnPassant:
8255 case WhiteKingSideCastle:
8256 case WhiteQueenSideCastle:
8257 case BlackKingSideCastle:
8258 case BlackQueenSideCastle:
8259 case WhiteKingSideCastleWild:
8260 case WhiteQueenSideCastleWild:
8261 case BlackKingSideCastleWild:
8262 case BlackQueenSideCastleWild:
8264 case WhiteHSideCastleFR:
8265 case WhiteASideCastleFR:
8266 case BlackHSideCastleFR:
8267 case BlackASideCastleFR:
8269 fromX = currentMoveString[0] - AAA;
8270 fromY = currentMoveString[1] - ONE;
8271 toX = currentMoveString[2] - AAA;
8272 toY = currentMoveString[3] - ONE;
8273 promoChar = currentMoveString[4];
8277 fromX = moveType == WhiteDrop ?
8278 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8279 (int) CharToPiece(ToLower(currentMoveString[0]));
8281 toX = currentMoveString[2] - AAA;
8282 toY = currentMoveString[3] - ONE;
8283 promoChar = NULLCHAR;
8287 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8288 if (appData.debugMode) {
8289 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8290 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8291 setbuf(debugFP, NULL);
8293 DisplayError(buf, 0);
8295 case ImpossibleMove:
8297 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8298 if (appData.debugMode) {
8299 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8300 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8301 setbuf(debugFP, NULL);
8303 DisplayError(buf, 0);
8306 if (boardIndex < backwardMostMove) {
8307 /* Oops, gap. How did that happen? */
8308 DisplayError(_("Gap in move list"), 0);
8311 backwardMostMove = blackPlaysFirst ? 1 : 0;
8312 if (boardIndex > forwardMostMove) {
8313 forwardMostMove = boardIndex;
8317 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8318 strcat(parseList[boardIndex-1], " ");
8319 strcat(parseList[boardIndex-1], yy_text);
8331 case GameUnfinished:
8332 if (gameMode == IcsExamining) {
8333 if (boardIndex < backwardMostMove) {
8334 /* Oops, gap. How did that happen? */
8337 backwardMostMove = blackPlaysFirst ? 1 : 0;
8340 gameInfo.result = moveType;
8341 p = strchr(yy_text, '{');
8342 if (p == NULL) p = strchr(yy_text, '(');
8345 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8347 q = strchr(p, *p == '{' ? '}' : ')');
8348 if (q != NULL) *q = NULLCHAR;
8351 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
8352 gameInfo.resultDetails = StrSave(p);
8355 if (boardIndex >= forwardMostMove &&
8356 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8357 backwardMostMove = blackPlaysFirst ? 1 : 0;
8360 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8361 fromY, fromX, toY, toX, promoChar,
8362 parseList[boardIndex]);
8363 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8364 /* currentMoveString is set as a side-effect of yylex */
8365 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8366 strcat(moveList[boardIndex], "\n");
8368 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8369 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8375 if(gameInfo.variant != VariantShogi)
8376 strcat(parseList[boardIndex - 1], "+");
8380 strcat(parseList[boardIndex - 1], "#");
8387 /* Apply a move to the given board */
8389 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8390 int fromX, fromY, toX, toY;
8394 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8395 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8397 /* [HGM] compute & store e.p. status and castling rights for new position */
8398 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8400 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8401 oldEP = (signed char)board[EP_STATUS];
8402 board[EP_STATUS] = EP_NONE;
8404 if( board[toY][toX] != EmptySquare )
8405 board[EP_STATUS] = EP_CAPTURE;
8407 if (fromY == DROP_RANK) {
8409 piece = board[toY][toX] = (ChessSquare) fromX;
8413 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
8414 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
8415 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
8417 if( board[fromY][fromX] == WhitePawn ) {
8418 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8419 board[EP_STATUS] = EP_PAWN_MOVE;
8421 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8422 gameInfo.variant != VariantBerolina || toX < fromX)
8423 board[EP_STATUS] = toX | berolina;
8424 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8425 gameInfo.variant != VariantBerolina || toX > fromX)
8426 board[EP_STATUS] = toX;
8429 if( board[fromY][fromX] == BlackPawn ) {
8430 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8431 board[EP_STATUS] = EP_PAWN_MOVE;
8432 if( toY-fromY== -2) {
8433 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8434 gameInfo.variant != VariantBerolina || toX < fromX)
8435 board[EP_STATUS] = toX | berolina;
8436 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8437 gameInfo.variant != VariantBerolina || toX > fromX)
8438 board[EP_STATUS] = toX;
8442 for(i=0; i<nrCastlingRights; i++) {
8443 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8444 board[CASTLING][i] == toX && castlingRank[i] == toY
8445 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8448 if (fromX == toX && fromY == toY) return;
8450 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8451 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8452 if(gameInfo.variant == VariantKnightmate)
8453 king += (int) WhiteUnicorn - (int) WhiteKing;
8455 /* Code added by Tord: */
8456 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
8457 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
8458 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
8459 board[fromY][fromX] = EmptySquare;
8460 board[toY][toX] = EmptySquare;
8461 if((toX > fromX) != (piece == WhiteRook)) {
8462 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8464 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8466 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
8467 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
8468 board[fromY][fromX] = EmptySquare;
8469 board[toY][toX] = EmptySquare;
8470 if((toX > fromX) != (piece == BlackRook)) {
8471 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8473 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8475 /* End of code added by Tord */
8477 } else if (board[fromY][fromX] == king
8478 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8479 && toY == fromY && toX > fromX+1) {
8480 board[fromY][fromX] = EmptySquare;
8481 board[toY][toX] = king;
8482 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8483 board[fromY][BOARD_RGHT-1] = EmptySquare;
8484 } else if (board[fromY][fromX] == king
8485 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8486 && toY == fromY && toX < fromX-1) {
8487 board[fromY][fromX] = EmptySquare;
8488 board[toY][toX] = king;
8489 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8490 board[fromY][BOARD_LEFT] = EmptySquare;
8491 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
8492 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
8493 && toY >= BOARD_HEIGHT-promoRank
8495 /* white pawn promotion */
8496 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8497 if (board[toY][toX] == EmptySquare) {
8498 board[toY][toX] = WhiteQueen;
8500 if(gameInfo.variant==VariantBughouse ||
8501 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8502 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8503 board[fromY][fromX] = EmptySquare;
8504 } else if ((fromY == BOARD_HEIGHT-4)
8506 && gameInfo.variant != VariantXiangqi
8507 && gameInfo.variant != VariantBerolina
8508 && (board[fromY][fromX] == WhitePawn)
8509 && (board[toY][toX] == EmptySquare)) {
8510 board[fromY][fromX] = EmptySquare;
8511 board[toY][toX] = WhitePawn;
8512 captured = board[toY - 1][toX];
8513 board[toY - 1][toX] = EmptySquare;
8514 } else if ((fromY == BOARD_HEIGHT-4)
8516 && gameInfo.variant == VariantBerolina
8517 && (board[fromY][fromX] == WhitePawn)
8518 && (board[toY][toX] == EmptySquare)) {
8519 board[fromY][fromX] = EmptySquare;
8520 board[toY][toX] = WhitePawn;
8521 if(oldEP & EP_BEROLIN_A) {
8522 captured = board[fromY][fromX-1];
8523 board[fromY][fromX-1] = EmptySquare;
8524 }else{ captured = board[fromY][fromX+1];
8525 board[fromY][fromX+1] = EmptySquare;
8527 } else if (board[fromY][fromX] == king
8528 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8529 && toY == fromY && toX > fromX+1) {
8530 board[fromY][fromX] = EmptySquare;
8531 board[toY][toX] = king;
8532 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8533 board[fromY][BOARD_RGHT-1] = EmptySquare;
8534 } else if (board[fromY][fromX] == king
8535 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8536 && toY == fromY && toX < fromX-1) {
8537 board[fromY][fromX] = EmptySquare;
8538 board[toY][toX] = king;
8539 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8540 board[fromY][BOARD_LEFT] = EmptySquare;
8541 } else if (fromY == 7 && fromX == 3
8542 && board[fromY][fromX] == BlackKing
8543 && toY == 7 && toX == 5) {
8544 board[fromY][fromX] = EmptySquare;
8545 board[toY][toX] = BlackKing;
8546 board[fromY][7] = EmptySquare;
8547 board[toY][4] = BlackRook;
8548 } else if (fromY == 7 && fromX == 3
8549 && board[fromY][fromX] == BlackKing
8550 && toY == 7 && toX == 1) {
8551 board[fromY][fromX] = EmptySquare;
8552 board[toY][toX] = BlackKing;
8553 board[fromY][0] = EmptySquare;
8554 board[toY][2] = BlackRook;
8555 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
8556 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
8559 /* black pawn promotion */
8560 board[toY][toX] = CharToPiece(ToLower(promoChar));
8561 if (board[toY][toX] == EmptySquare) {
8562 board[toY][toX] = BlackQueen;
8564 if(gameInfo.variant==VariantBughouse ||
8565 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8566 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8567 board[fromY][fromX] = EmptySquare;
8568 } else if ((fromY == 3)
8570 && gameInfo.variant != VariantXiangqi
8571 && gameInfo.variant != VariantBerolina
8572 && (board[fromY][fromX] == BlackPawn)
8573 && (board[toY][toX] == EmptySquare)) {
8574 board[fromY][fromX] = EmptySquare;
8575 board[toY][toX] = BlackPawn;
8576 captured = board[toY + 1][toX];
8577 board[toY + 1][toX] = EmptySquare;
8578 } else if ((fromY == 3)
8580 && gameInfo.variant == VariantBerolina
8581 && (board[fromY][fromX] == BlackPawn)
8582 && (board[toY][toX] == EmptySquare)) {
8583 board[fromY][fromX] = EmptySquare;
8584 board[toY][toX] = BlackPawn;
8585 if(oldEP & EP_BEROLIN_A) {
8586 captured = board[fromY][fromX-1];
8587 board[fromY][fromX-1] = EmptySquare;
8588 }else{ captured = board[fromY][fromX+1];
8589 board[fromY][fromX+1] = EmptySquare;
8592 board[toY][toX] = board[fromY][fromX];
8593 board[fromY][fromX] = EmptySquare;
8597 if (gameInfo.holdingsWidth != 0) {
8599 /* !!A lot more code needs to be written to support holdings */
8600 /* [HGM] OK, so I have written it. Holdings are stored in the */
8601 /* penultimate board files, so they are automaticlly stored */
8602 /* in the game history. */
8603 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
8604 && promoChar && piece != WhitePawn && piece != BlackPawn) {
8605 /* Delete from holdings, by decreasing count */
8606 /* and erasing image if necessary */
8607 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
8608 if(p < (int) BlackPawn) { /* white drop */
8609 p -= (int)WhitePawn;
8610 p = PieceToNumber((ChessSquare)p);
8611 if(p >= gameInfo.holdingsSize) p = 0;
8612 if(--board[p][BOARD_WIDTH-2] <= 0)
8613 board[p][BOARD_WIDTH-1] = EmptySquare;
8614 if((int)board[p][BOARD_WIDTH-2] < 0)
8615 board[p][BOARD_WIDTH-2] = 0;
8616 } else { /* black drop */
8617 p -= (int)BlackPawn;
8618 p = PieceToNumber((ChessSquare)p);
8619 if(p >= gameInfo.holdingsSize) p = 0;
8620 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8621 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8622 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8623 board[BOARD_HEIGHT-1-p][1] = 0;
8626 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8627 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
8628 /* [HGM] holdings: Add to holdings, if holdings exist */
8629 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8630 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8631 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8634 if (p >= (int) BlackPawn) {
8635 p -= (int)BlackPawn;
8636 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8637 /* in Shogi restore piece to its original first */
8638 captured = (ChessSquare) (DEMOTED captured);
8641 p = PieceToNumber((ChessSquare)p);
8642 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8643 board[p][BOARD_WIDTH-2]++;
8644 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8646 p -= (int)WhitePawn;
8647 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8648 captured = (ChessSquare) (DEMOTED captured);
8651 p = PieceToNumber((ChessSquare)p);
8652 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8653 board[BOARD_HEIGHT-1-p][1]++;
8654 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8657 } else if (gameInfo.variant == VariantAtomic) {
8658 if (captured != EmptySquare) {
8660 for (y = toY-1; y <= toY+1; y++) {
8661 for (x = toX-1; x <= toX+1; x++) {
8662 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8663 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8664 board[y][x] = EmptySquare;
8668 board[toY][toX] = EmptySquare;
8671 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
8672 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
8674 if(promoChar == '+') {
8675 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
8676 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8677 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
8678 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
8680 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8681 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8682 // [HGM] superchess: take promotion piece out of holdings
8683 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8684 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8685 if(!--board[k][BOARD_WIDTH-2])
8686 board[k][BOARD_WIDTH-1] = EmptySquare;
8688 if(!--board[BOARD_HEIGHT-1-k][1])
8689 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8695 /* Updates forwardMostMove */
8697 MakeMove(fromX, fromY, toX, toY, promoChar)
8698 int fromX, fromY, toX, toY;
8701 // forwardMostMove++; // [HGM] bare: moved downstream
8703 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8704 int timeLeft; static int lastLoadFlag=0; int king, piece;
8705 piece = boards[forwardMostMove][fromY][fromX];
8706 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8707 if(gameInfo.variant == VariantKnightmate)
8708 king += (int) WhiteUnicorn - (int) WhiteKing;
8709 if(forwardMostMove == 0) {
8711 fprintf(serverMoves, "%s;", second.tidy);
8712 fprintf(serverMoves, "%s;", first.tidy);
8713 if(!blackPlaysFirst)
8714 fprintf(serverMoves, "%s;", second.tidy);
8715 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8716 lastLoadFlag = loadFlag;
8718 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8719 // print castling suffix
8720 if( toY == fromY && piece == king ) {
8722 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8724 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8727 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8728 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8729 boards[forwardMostMove][toY][toX] == EmptySquare
8730 && fromX != toX && fromY != toY)
8731 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8733 if(promoChar != NULLCHAR)
8734 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8736 fprintf(serverMoves, "/%d/%d",
8737 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8738 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8739 else timeLeft = blackTimeRemaining/1000;
8740 fprintf(serverMoves, "/%d", timeLeft);
8742 fflush(serverMoves);
8745 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8746 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8750 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8751 if (commentList[forwardMostMove+1] != NULL) {
8752 free(commentList[forwardMostMove+1]);
8753 commentList[forwardMostMove+1] = NULL;
8755 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8756 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8757 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8758 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8759 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8760 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8761 gameInfo.result = GameUnfinished;
8762 if (gameInfo.resultDetails != NULL) {
8763 free(gameInfo.resultDetails);
8764 gameInfo.resultDetails = NULL;
8766 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8767 moveList[forwardMostMove - 1]);
8768 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8769 PosFlags(forwardMostMove - 1),
8770 fromY, fromX, toY, toX, promoChar,
8771 parseList[forwardMostMove - 1]);
8772 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8778 if(gameInfo.variant != VariantShogi)
8779 strcat(parseList[forwardMostMove - 1], "+");
8783 strcat(parseList[forwardMostMove - 1], "#");
8786 if (appData.debugMode) {
8787 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8792 /* Updates currentMove if not pausing */
8794 ShowMove(fromX, fromY, toX, toY)
8796 int instant = (gameMode == PlayFromGameFile) ?
8797 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8798 if(appData.noGUI) return;
8799 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8801 if (forwardMostMove == currentMove + 1) {
8802 AnimateMove(boards[forwardMostMove - 1],
8803 fromX, fromY, toX, toY);
8805 if (appData.highlightLastMove) {
8806 SetHighlights(fromX, fromY, toX, toY);
8809 currentMove = forwardMostMove;
8812 if (instant) return;
8814 DisplayMove(currentMove - 1);
8815 DrawPosition(FALSE, boards[currentMove]);
8816 DisplayBothClocks();
8817 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8820 void SendEgtPath(ChessProgramState *cps)
8821 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8822 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8824 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8827 char c, *q = name+1, *r, *s;
8829 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8830 while(*p && *p != ',') *q++ = *p++;
8832 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8833 strcmp(name, ",nalimov:") == 0 ) {
8834 // take nalimov path from the menu-changeable option first, if it is defined
8835 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8836 SendToProgram(buf,cps); // send egtbpath command for nalimov
8838 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8839 (s = StrStr(appData.egtFormats, name)) != NULL) {
8840 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8841 s = r = StrStr(s, ":") + 1; // beginning of path info
8842 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8843 c = *r; *r = 0; // temporarily null-terminate path info
8844 *--q = 0; // strip of trailig ':' from name
8845 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
8847 SendToProgram(buf,cps); // send egtbpath command for this format
8849 if(*p == ',') p++; // read away comma to position for next format name
8854 InitChessProgram(cps, setup)
8855 ChessProgramState *cps;
8856 int setup; /* [HGM] needed to setup FRC opening position */
8858 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8859 if (appData.noChessProgram) return;
8860 hintRequested = FALSE;
8861 bookRequested = FALSE;
8863 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8864 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8865 if(cps->memSize) { /* [HGM] memory */
8866 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8867 SendToProgram(buf, cps);
8869 SendEgtPath(cps); /* [HGM] EGT */
8870 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8871 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
8872 SendToProgram(buf, cps);
8875 SendToProgram(cps->initString, cps);
8876 if (gameInfo.variant != VariantNormal &&
8877 gameInfo.variant != VariantLoadable
8878 /* [HGM] also send variant if board size non-standard */
8879 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8881 char *v = VariantName(gameInfo.variant);
8882 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8883 /* [HGM] in protocol 1 we have to assume all variants valid */
8884 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
8885 DisplayFatalError(buf, 0, 1);
8889 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8890 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8891 if( gameInfo.variant == VariantXiangqi )
8892 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8893 if( gameInfo.variant == VariantShogi )
8894 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8895 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8896 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8897 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8898 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
8899 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8900 if( gameInfo.variant == VariantCourier )
8901 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8902 if( gameInfo.variant == VariantSuper )
8903 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8904 if( gameInfo.variant == VariantGreat )
8905 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8906 if( gameInfo.variant == VariantSChess )
8907 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
8910 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8911 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8912 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8913 if(StrStr(cps->variants, b) == NULL) {
8914 // specific sized variant not known, check if general sizing allowed
8915 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8916 if(StrStr(cps->variants, "boardsize") == NULL) {
8917 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
8918 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8919 DisplayFatalError(buf, 0, 1);
8922 /* [HGM] here we really should compare with the maximum supported board size */
8925 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
8926 snprintf(buf, MSG_SIZ, "variant %s\n", b);
8927 SendToProgram(buf, cps);
8929 currentlyInitializedVariant = gameInfo.variant;
8931 /* [HGM] send opening position in FRC to first engine */
8933 SendToProgram("force\n", cps);
8935 /* engine is now in force mode! Set flag to wake it up after first move. */
8936 setboardSpoiledMachineBlack = 1;
8940 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8941 SendToProgram(buf, cps);
8943 cps->maybeThinking = FALSE;
8944 cps->offeredDraw = 0;
8945 if (!appData.icsActive) {
8946 SendTimeControl(cps, movesPerSession, timeControl,
8947 timeIncrement, appData.searchDepth,
8950 if (appData.showThinking
8951 // [HGM] thinking: four options require thinking output to be sent
8952 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8954 SendToProgram("post\n", cps);
8956 SendToProgram("hard\n", cps);
8957 if (!appData.ponderNextMove) {
8958 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8959 it without being sure what state we are in first. "hard"
8960 is not a toggle, so that one is OK.
8962 SendToProgram("easy\n", cps);
8965 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
8966 SendToProgram(buf, cps);
8968 cps->initDone = TRUE;
8973 StartChessProgram(cps)
8974 ChessProgramState *cps;
8979 if (appData.noChessProgram) return;
8980 cps->initDone = FALSE;
8982 if (strcmp(cps->host, "localhost") == 0) {
8983 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8984 } else if (*appData.remoteShell == NULLCHAR) {
8985 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8987 if (*appData.remoteUser == NULLCHAR) {
8988 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8991 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8992 cps->host, appData.remoteUser, cps->program);
8994 err = StartChildProcess(buf, "", &cps->pr);
8998 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
8999 DisplayFatalError(buf, err, 1);
9005 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9006 if (cps->protocolVersion > 1) {
9007 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9008 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9009 cps->comboCnt = 0; // and values of combo boxes
9010 SendToProgram(buf, cps);
9012 SendToProgram("xboard\n", cps);
9018 TwoMachinesEventIfReady P((void))
9020 if (first.lastPing != first.lastPong) {
9021 DisplayMessage("", _("Waiting for first chess program"));
9022 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9025 if (second.lastPing != second.lastPong) {
9026 DisplayMessage("", _("Waiting for second chess program"));
9027 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9035 NextMatchGame P((void))
9037 int index; /* [HGM] autoinc: step load index during match */
9039 if (*appData.loadGameFile != NULLCHAR) {
9040 index = appData.loadGameIndex;
9041 if(index < 0) { // [HGM] autoinc
9042 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9043 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9045 LoadGameFromFile(appData.loadGameFile,
9047 appData.loadGameFile, FALSE);
9048 } else if (*appData.loadPositionFile != NULLCHAR) {
9049 index = appData.loadPositionIndex;
9050 if(index < 0) { // [HGM] autoinc
9051 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9052 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9054 LoadPositionFromFile(appData.loadPositionFile,
9056 appData.loadPositionFile);
9058 TwoMachinesEventIfReady();
9061 void UserAdjudicationEvent( int result )
9063 ChessMove gameResult = GameIsDrawn;
9066 gameResult = WhiteWins;
9068 else if( result < 0 ) {
9069 gameResult = BlackWins;
9072 if( gameMode == TwoMachinesPlay ) {
9073 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9078 // [HGM] save: calculate checksum of game to make games easily identifiable
9079 int StringCheckSum(char *s)
9082 if(s==NULL) return 0;
9083 while(*s) i = i*259 + *s++;
9090 for(i=backwardMostMove; i<forwardMostMove; i++) {
9091 sum += pvInfoList[i].depth;
9092 sum += StringCheckSum(parseList[i]);
9093 sum += StringCheckSum(commentList[i]);
9096 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9097 return sum + StringCheckSum(commentList[i]);
9098 } // end of save patch
9101 GameEnds(result, resultDetails, whosays)
9103 char *resultDetails;
9106 GameMode nextGameMode;
9108 char buf[MSG_SIZ], popupRequested = 0;
9110 if(endingGame) return; /* [HGM] crash: forbid recursion */
9112 if(twoBoards) { // [HGM] dual: switch back to one board
9113 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9114 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9116 if (appData.debugMode) {
9117 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9118 result, resultDetails ? resultDetails : "(null)", whosays);
9121 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9123 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9124 /* If we are playing on ICS, the server decides when the
9125 game is over, but the engine can offer to draw, claim
9129 if (appData.zippyPlay && first.initDone) {
9130 if (result == GameIsDrawn) {
9131 /* In case draw still needs to be claimed */
9132 SendToICS(ics_prefix);
9133 SendToICS("draw\n");
9134 } else if (StrCaseStr(resultDetails, "resign")) {
9135 SendToICS(ics_prefix);
9136 SendToICS("resign\n");
9140 endingGame = 0; /* [HGM] crash */
9144 /* If we're loading the game from a file, stop */
9145 if (whosays == GE_FILE) {
9146 (void) StopLoadGameTimer();
9150 /* Cancel draw offers */
9151 first.offeredDraw = second.offeredDraw = 0;
9153 /* If this is an ICS game, only ICS can really say it's done;
9154 if not, anyone can. */
9155 isIcsGame = (gameMode == IcsPlayingWhite ||
9156 gameMode == IcsPlayingBlack ||
9157 gameMode == IcsObserving ||
9158 gameMode == IcsExamining);
9160 if (!isIcsGame || whosays == GE_ICS) {
9161 /* OK -- not an ICS game, or ICS said it was done */
9163 if (!isIcsGame && !appData.noChessProgram)
9164 SetUserThinkingEnables();
9166 /* [HGM] if a machine claims the game end we verify this claim */
9167 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9168 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9170 ChessMove trueResult = (ChessMove) -1;
9172 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9173 first.twoMachinesColor[0] :
9174 second.twoMachinesColor[0] ;
9176 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9177 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9178 /* [HGM] verify: engine mate claims accepted if they were flagged */
9179 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9181 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9182 /* [HGM] verify: engine mate claims accepted if they were flagged */
9183 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9185 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9186 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9189 // now verify win claims, but not in drop games, as we don't understand those yet
9190 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9191 || gameInfo.variant == VariantGreat) &&
9192 (result == WhiteWins && claimer == 'w' ||
9193 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9194 if (appData.debugMode) {
9195 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9196 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9198 if(result != trueResult) {
9199 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
9200 result = claimer == 'w' ? BlackWins : WhiteWins;
9201 resultDetails = buf;
9204 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9205 && (forwardMostMove <= backwardMostMove ||
9206 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9207 (claimer=='b')==(forwardMostMove&1))
9209 /* [HGM] verify: draws that were not flagged are false claims */
9210 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
9211 result = claimer == 'w' ? BlackWins : WhiteWins;
9212 resultDetails = buf;
9214 /* (Claiming a loss is accepted no questions asked!) */
9216 /* [HGM] bare: don't allow bare King to win */
9217 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9218 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9219 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9220 && result != GameIsDrawn)
9221 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9222 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9223 int p = (signed char)boards[forwardMostMove][i][j] - color;
9224 if(p >= 0 && p <= (int)WhiteKing) k++;
9226 if (appData.debugMode) {
9227 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9228 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9231 result = GameIsDrawn;
9232 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
9233 resultDetails = buf;
9239 if(serverMoves != NULL && !loadFlag) { char c = '=';
9240 if(result==WhiteWins) c = '+';
9241 if(result==BlackWins) c = '-';
9242 if(resultDetails != NULL)
9243 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9245 if (resultDetails != NULL) {
9246 gameInfo.result = result;
9247 gameInfo.resultDetails = StrSave(resultDetails);
9249 /* display last move only if game was not loaded from file */
9250 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9251 DisplayMove(currentMove - 1);
9253 if (forwardMostMove != 0) {
9254 if (gameMode != PlayFromGameFile && gameMode != EditGame
9255 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9257 if (*appData.saveGameFile != NULLCHAR) {
9258 SaveGameToFile(appData.saveGameFile, TRUE);
9259 } else if (appData.autoSaveGames) {
9262 if (*appData.savePositionFile != NULLCHAR) {
9263 SavePositionToFile(appData.savePositionFile);
9268 /* Tell program how game ended in case it is learning */
9269 /* [HGM] Moved this to after saving the PGN, just in case */
9270 /* engine died and we got here through time loss. In that */
9271 /* case we will get a fatal error writing the pipe, which */
9272 /* would otherwise lose us the PGN. */
9273 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9274 /* output during GameEnds should never be fatal anymore */
9275 if (gameMode == MachinePlaysWhite ||
9276 gameMode == MachinePlaysBlack ||
9277 gameMode == TwoMachinesPlay ||
9278 gameMode == IcsPlayingWhite ||
9279 gameMode == IcsPlayingBlack ||
9280 gameMode == BeginningOfGame) {
9282 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
9284 if (first.pr != NoProc) {
9285 SendToProgram(buf, &first);
9287 if (second.pr != NoProc &&
9288 gameMode == TwoMachinesPlay) {
9289 SendToProgram(buf, &second);
9294 if (appData.icsActive) {
9295 if (appData.quietPlay &&
9296 (gameMode == IcsPlayingWhite ||
9297 gameMode == IcsPlayingBlack)) {
9298 SendToICS(ics_prefix);
9299 SendToICS("set shout 1\n");
9301 nextGameMode = IcsIdle;
9302 ics_user_moved = FALSE;
9303 /* clean up premove. It's ugly when the game has ended and the
9304 * premove highlights are still on the board.
9308 ClearPremoveHighlights();
9309 DrawPosition(FALSE, boards[currentMove]);
9311 if (whosays == GE_ICS) {
9314 if (gameMode == IcsPlayingWhite)
9316 else if(gameMode == IcsPlayingBlack)
9320 if (gameMode == IcsPlayingBlack)
9322 else if(gameMode == IcsPlayingWhite)
9329 PlayIcsUnfinishedSound();
9332 } else if (gameMode == EditGame ||
9333 gameMode == PlayFromGameFile ||
9334 gameMode == AnalyzeMode ||
9335 gameMode == AnalyzeFile) {
9336 nextGameMode = gameMode;
9338 nextGameMode = EndOfGame;
9343 nextGameMode = gameMode;
9346 if (appData.noChessProgram) {
9347 gameMode = nextGameMode;
9349 endingGame = 0; /* [HGM] crash */
9354 /* Put first chess program into idle state */
9355 if (first.pr != NoProc &&
9356 (gameMode == MachinePlaysWhite ||
9357 gameMode == MachinePlaysBlack ||
9358 gameMode == TwoMachinesPlay ||
9359 gameMode == IcsPlayingWhite ||
9360 gameMode == IcsPlayingBlack ||
9361 gameMode == BeginningOfGame)) {
9362 SendToProgram("force\n", &first);
9363 if (first.usePing) {
9365 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
9366 SendToProgram(buf, &first);
9369 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9370 /* Kill off first chess program */
9371 if (first.isr != NULL)
9372 RemoveInputSource(first.isr);
9375 if (first.pr != NoProc) {
9377 DoSleep( appData.delayBeforeQuit );
9378 SendToProgram("quit\n", &first);
9379 DoSleep( appData.delayAfterQuit );
9380 DestroyChildProcess(first.pr, first.useSigterm);
9385 /* Put second chess program into idle state */
9386 if (second.pr != NoProc &&
9387 gameMode == TwoMachinesPlay) {
9388 SendToProgram("force\n", &second);
9389 if (second.usePing) {
9391 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
9392 SendToProgram(buf, &second);
9395 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9396 /* Kill off second chess program */
9397 if (second.isr != NULL)
9398 RemoveInputSource(second.isr);
9401 if (second.pr != NoProc) {
9402 DoSleep( appData.delayBeforeQuit );
9403 SendToProgram("quit\n", &second);
9404 DoSleep( appData.delayAfterQuit );
9405 DestroyChildProcess(second.pr, second.useSigterm);
9410 if (matchMode && gameMode == TwoMachinesPlay) {
9413 if (first.twoMachinesColor[0] == 'w') {
9420 if (first.twoMachinesColor[0] == 'b') {
9429 if (matchGame < appData.matchGames) {
9431 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9432 tmp = first.twoMachinesColor;
9433 first.twoMachinesColor = second.twoMachinesColor;
9434 second.twoMachinesColor = tmp;
9436 gameMode = nextGameMode;
9438 if(appData.matchPause>10000 || appData.matchPause<10)
9439 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9440 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9441 endingGame = 0; /* [HGM] crash */
9444 gameMode = nextGameMode;
9445 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
9446 first.tidy, second.tidy,
9447 first.matchWins, second.matchWins,
9448 appData.matchGames - (first.matchWins + second.matchWins));
9449 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
9450 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
9451 first.twoMachinesColor = "black\n";
9452 second.twoMachinesColor = "white\n";
9454 first.twoMachinesColor = "white\n";
9455 second.twoMachinesColor = "black\n";
9459 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9460 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9462 gameMode = nextGameMode;
9464 endingGame = 0; /* [HGM] crash */
9465 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
9466 if(matchMode == TRUE) DisplayFatalError(buf, 0, 0); else {
9467 matchMode = FALSE; appData.matchGames = matchGame = 0;
9473 /* Assumes program was just initialized (initString sent).
9474 Leaves program in force mode. */
9476 FeedMovesToProgram(cps, upto)
9477 ChessProgramState *cps;
9482 if (appData.debugMode)
9483 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9484 startedFromSetupPosition ? "position and " : "",
9485 backwardMostMove, upto, cps->which);
9486 if(currentlyInitializedVariant != gameInfo.variant) {
9488 // [HGM] variantswitch: make engine aware of new variant
9489 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9490 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9491 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
9492 SendToProgram(buf, cps);
9493 currentlyInitializedVariant = gameInfo.variant;
9495 SendToProgram("force\n", cps);
9496 if (startedFromSetupPosition) {
9497 SendBoard(cps, backwardMostMove);
9498 if (appData.debugMode) {
9499 fprintf(debugFP, "feedMoves\n");
9502 for (i = backwardMostMove; i < upto; i++) {
9503 SendMoveToProgram(i, cps);
9509 ResurrectChessProgram()
9511 /* The chess program may have exited.
9512 If so, restart it and feed it all the moves made so far. */
9514 if (appData.noChessProgram || first.pr != NoProc) return;
9516 StartChessProgram(&first);
9517 InitChessProgram(&first, FALSE);
9518 FeedMovesToProgram(&first, currentMove);
9520 if (!first.sendTime) {
9521 /* can't tell gnuchess what its clock should read,
9522 so we bow to its notion. */
9524 timeRemaining[0][currentMove] = whiteTimeRemaining;
9525 timeRemaining[1][currentMove] = blackTimeRemaining;
9528 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9529 appData.icsEngineAnalyze) && first.analysisSupport) {
9530 SendToProgram("analyze\n", &first);
9531 first.analyzing = TRUE;
9544 if (appData.debugMode) {
9545 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9546 redraw, init, gameMode);
9548 CleanupTail(); // [HGM] vari: delete any stored variations
9549 pausing = pauseExamInvalid = FALSE;
9550 startedFromSetupPosition = blackPlaysFirst = FALSE;
9552 whiteFlag = blackFlag = FALSE;
9553 userOfferedDraw = FALSE;
9554 hintRequested = bookRequested = FALSE;
9555 first.maybeThinking = FALSE;
9556 second.maybeThinking = FALSE;
9557 first.bookSuspend = FALSE; // [HGM] book
9558 second.bookSuspend = FALSE;
9559 thinkOutput[0] = NULLCHAR;
9560 lastHint[0] = NULLCHAR;
9561 ClearGameInfo(&gameInfo);
9562 gameInfo.variant = StringToVariant(appData.variant);
9563 ics_user_moved = ics_clock_paused = FALSE;
9564 ics_getting_history = H_FALSE;
9566 white_holding[0] = black_holding[0] = NULLCHAR;
9567 ClearProgramStats();
9568 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9572 flipView = appData.flipView;
9573 ClearPremoveHighlights();
9575 alarmSounded = FALSE;
9577 GameEnds(EndOfFile, NULL, GE_PLAYER);
9578 if(appData.serverMovesName != NULL) {
9579 /* [HGM] prepare to make moves file for broadcasting */
9580 clock_t t = clock();
9581 if(serverMoves != NULL) fclose(serverMoves);
9582 serverMoves = fopen(appData.serverMovesName, "r");
9583 if(serverMoves != NULL) {
9584 fclose(serverMoves);
9585 /* delay 15 sec before overwriting, so all clients can see end */
9586 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9588 serverMoves = fopen(appData.serverMovesName, "w");
9592 gameMode = BeginningOfGame;
9594 if(appData.icsActive) gameInfo.variant = VariantNormal;
9595 currentMove = forwardMostMove = backwardMostMove = 0;
9596 InitPosition(redraw);
9597 for (i = 0; i < MAX_MOVES; i++) {
9598 if (commentList[i] != NULL) {
9599 free(commentList[i]);
9600 commentList[i] = NULL;
9604 timeRemaining[0][0] = whiteTimeRemaining;
9605 timeRemaining[1][0] = blackTimeRemaining;
9606 if (first.pr == NULL) {
9607 StartChessProgram(&first);
9610 InitChessProgram(&first, startedFromSetupPosition);
9613 DisplayMessage("", "");
9614 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9615 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9622 if (!AutoPlayOneMove())
9624 if (matchMode || appData.timeDelay == 0)
9626 if (appData.timeDelay < 0)
9628 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9637 int fromX, fromY, toX, toY;
9639 if (appData.debugMode) {
9640 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9643 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
9646 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
9647 pvInfoList[currentMove].depth = programStats.depth;
9648 pvInfoList[currentMove].score = programStats.score;
9649 pvInfoList[currentMove].time = 0;
9650 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
9653 if (currentMove >= forwardMostMove) {
9654 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
9655 gameMode = EditGame;
9658 /* [AS] Clear current move marker at the end of a game */
9659 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9664 toX = moveList[currentMove][2] - AAA;
9665 toY = moveList[currentMove][3] - ONE;
9667 if (moveList[currentMove][1] == '@') {
9668 if (appData.highlightLastMove) {
9669 SetHighlights(-1, -1, toX, toY);
9672 fromX = moveList[currentMove][0] - AAA;
9673 fromY = moveList[currentMove][1] - ONE;
9675 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9677 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9679 if (appData.highlightLastMove) {
9680 SetHighlights(fromX, fromY, toX, toY);
9683 DisplayMove(currentMove);
9684 SendMoveToProgram(currentMove++, &first);
9685 DisplayBothClocks();
9686 DrawPosition(FALSE, boards[currentMove]);
9687 // [HGM] PV info: always display, routine tests if empty
9688 DisplayComment(currentMove - 1, commentList[currentMove]);
9694 LoadGameOneMove(readAhead)
9695 ChessMove readAhead;
9697 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9698 char promoChar = NULLCHAR;
9703 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9704 gameMode != AnalyzeMode && gameMode != Training) {
9709 yyboardindex = forwardMostMove;
9710 if (readAhead != EndOfFile) {
9711 moveType = readAhead;
9713 if (gameFileFP == NULL)
9715 moveType = (ChessMove) Myylex();
9721 if (appData.debugMode)
9722 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9725 /* append the comment but don't display it */
9726 AppendComment(currentMove, p, FALSE);
9729 case WhiteCapturesEnPassant:
9730 case BlackCapturesEnPassant:
9731 case WhitePromotion:
9732 case BlackPromotion:
9733 case WhiteNonPromotion:
9734 case BlackNonPromotion:
9736 case WhiteKingSideCastle:
9737 case WhiteQueenSideCastle:
9738 case BlackKingSideCastle:
9739 case BlackQueenSideCastle:
9740 case WhiteKingSideCastleWild:
9741 case WhiteQueenSideCastleWild:
9742 case BlackKingSideCastleWild:
9743 case BlackQueenSideCastleWild:
9745 case WhiteHSideCastleFR:
9746 case WhiteASideCastleFR:
9747 case BlackHSideCastleFR:
9748 case BlackASideCastleFR:
9750 if (appData.debugMode)
9751 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9752 fromX = currentMoveString[0] - AAA;
9753 fromY = currentMoveString[1] - ONE;
9754 toX = currentMoveString[2] - AAA;
9755 toY = currentMoveString[3] - ONE;
9756 promoChar = currentMoveString[4];
9761 if (appData.debugMode)
9762 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9763 fromX = moveType == WhiteDrop ?
9764 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9765 (int) CharToPiece(ToLower(currentMoveString[0]));
9767 toX = currentMoveString[2] - AAA;
9768 toY = currentMoveString[3] - ONE;
9774 case GameUnfinished:
9775 if (appData.debugMode)
9776 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9777 p = strchr(yy_text, '{');
9778 if (p == NULL) p = strchr(yy_text, '(');
9781 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9783 q = strchr(p, *p == '{' ? '}' : ')');
9784 if (q != NULL) *q = NULLCHAR;
9787 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9788 GameEnds(moveType, p, GE_FILE);
9790 if (cmailMsgLoaded) {
9792 flipView = WhiteOnMove(currentMove);
9793 if (moveType == GameUnfinished) flipView = !flipView;
9794 if (appData.debugMode)
9795 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9800 if (appData.debugMode)
9801 fprintf(debugFP, "Parser hit end of file\n");
9802 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9808 if (WhiteOnMove(currentMove)) {
9809 GameEnds(BlackWins, "Black mates", GE_FILE);
9811 GameEnds(WhiteWins, "White mates", GE_FILE);
9815 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9822 if (lastLoadGameStart == GNUChessGame) {
9823 /* GNUChessGames have numbers, but they aren't move numbers */
9824 if (appData.debugMode)
9825 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9826 yy_text, (int) moveType);
9827 return LoadGameOneMove(EndOfFile); /* tail recursion */
9829 /* else fall thru */
9834 /* Reached start of next game in file */
9835 if (appData.debugMode)
9836 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9837 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9843 if (WhiteOnMove(currentMove)) {
9844 GameEnds(BlackWins, "Black mates", GE_FILE);
9846 GameEnds(WhiteWins, "White mates", GE_FILE);
9850 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9856 case PositionDiagram: /* should not happen; ignore */
9857 case ElapsedTime: /* ignore */
9858 case NAG: /* ignore */
9859 if (appData.debugMode)
9860 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9861 yy_text, (int) moveType);
9862 return LoadGameOneMove(EndOfFile); /* tail recursion */
9865 if (appData.testLegality) {
9866 if (appData.debugMode)
9867 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9868 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9869 (forwardMostMove / 2) + 1,
9870 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9871 DisplayError(move, 0);
9874 if (appData.debugMode)
9875 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9876 yy_text, currentMoveString);
9877 fromX = currentMoveString[0] - AAA;
9878 fromY = currentMoveString[1] - ONE;
9879 toX = currentMoveString[2] - AAA;
9880 toY = currentMoveString[3] - ONE;
9881 promoChar = currentMoveString[4];
9886 if (appData.debugMode)
9887 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9888 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
9889 (forwardMostMove / 2) + 1,
9890 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9891 DisplayError(move, 0);
9896 case ImpossibleMove:
9897 if (appData.debugMode)
9898 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9899 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9900 (forwardMostMove / 2) + 1,
9901 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9902 DisplayError(move, 0);
9908 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9909 DrawPosition(FALSE, boards[currentMove]);
9910 DisplayBothClocks();
9911 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9912 DisplayComment(currentMove - 1, commentList[currentMove]);
9914 (void) StopLoadGameTimer();
9916 cmailOldMove = forwardMostMove;
9919 /* currentMoveString is set as a side-effect of yylex */
9921 thinkOutput[0] = NULLCHAR;
9922 MakeMove(fromX, fromY, toX, toY, promoChar);
9923 currentMove = forwardMostMove;
9928 /* Load the nth game from the given file */
9930 LoadGameFromFile(filename, n, title, useList)
9934 /*Boolean*/ int useList;
9939 if (strcmp(filename, "-") == 0) {
9943 f = fopen(filename, "rb");
9945 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9946 DisplayError(buf, errno);
9950 if (fseek(f, 0, 0) == -1) {
9951 /* f is not seekable; probably a pipe */
9954 if (useList && n == 0) {
9955 int error = GameListBuild(f);
9957 DisplayError(_("Cannot build game list"), error);
9958 } else if (!ListEmpty(&gameList) &&
9959 ((ListGame *) gameList.tailPred)->number > 1) {
9960 GameListPopUp(f, title);
9967 return LoadGame(f, n, title, FALSE);
9972 MakeRegisteredMove()
9974 int fromX, fromY, toX, toY;
9976 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9977 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9980 if (appData.debugMode)
9981 fprintf(debugFP, "Restoring %s for game %d\n",
9982 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9984 thinkOutput[0] = NULLCHAR;
9985 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
9986 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9987 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9988 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9989 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9990 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9991 MakeMove(fromX, fromY, toX, toY, promoChar);
9992 ShowMove(fromX, fromY, toX, toY);
9994 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10001 if (WhiteOnMove(currentMove)) {
10002 GameEnds(BlackWins, "Black mates", GE_PLAYER);
10004 GameEnds(WhiteWins, "White mates", GE_PLAYER);
10009 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
10016 if (WhiteOnMove(currentMove)) {
10017 GameEnds(BlackWins, "White resigns", GE_PLAYER);
10019 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
10024 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
10035 /* Wrapper around LoadGame for use when a Cmail message is loaded */
10037 CmailLoadGame(f, gameNumber, title, useList)
10045 if (gameNumber > nCmailGames) {
10046 DisplayError(_("No more games in this message"), 0);
10049 if (f == lastLoadGameFP) {
10050 int offset = gameNumber - lastLoadGameNumber;
10052 cmailMsg[0] = NULLCHAR;
10053 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10054 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10055 nCmailMovesRegistered--;
10057 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
10058 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
10059 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10062 if (! RegisterMove()) return FALSE;
10066 retVal = LoadGame(f, gameNumber, title, useList);
10068 /* Make move registered during previous look at this game, if any */
10069 MakeRegisteredMove();
10071 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10072 commentList[currentMove]
10073 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10074 DisplayComment(currentMove - 1, commentList[currentMove]);
10080 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10085 int gameNumber = lastLoadGameNumber + offset;
10086 if (lastLoadGameFP == NULL) {
10087 DisplayError(_("No game has been loaded yet"), 0);
10090 if (gameNumber <= 0) {
10091 DisplayError(_("Can't back up any further"), 0);
10094 if (cmailMsgLoaded) {
10095 return CmailLoadGame(lastLoadGameFP, gameNumber,
10096 lastLoadGameTitle, lastLoadGameUseList);
10098 return LoadGame(lastLoadGameFP, gameNumber,
10099 lastLoadGameTitle, lastLoadGameUseList);
10105 /* Load the nth game from open file f */
10107 LoadGame(f, gameNumber, title, useList)
10115 int gn = gameNumber;
10116 ListGame *lg = NULL;
10117 int numPGNTags = 0;
10119 GameMode oldGameMode;
10120 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10122 if (appData.debugMode)
10123 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10125 if (gameMode == Training )
10126 SetTrainingModeOff();
10128 oldGameMode = gameMode;
10129 if (gameMode != BeginningOfGame) {
10130 Reset(FALSE, TRUE);
10134 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10135 fclose(lastLoadGameFP);
10139 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10142 fseek(f, lg->offset, 0);
10143 GameListHighlight(gameNumber);
10147 DisplayError(_("Game number out of range"), 0);
10152 if (fseek(f, 0, 0) == -1) {
10153 if (f == lastLoadGameFP ?
10154 gameNumber == lastLoadGameNumber + 1 :
10158 DisplayError(_("Can't seek on game file"), 0);
10163 lastLoadGameFP = f;
10164 lastLoadGameNumber = gameNumber;
10165 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
10166 lastLoadGameUseList = useList;
10170 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10171 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10172 lg->gameInfo.black);
10174 } else if (*title != NULLCHAR) {
10175 if (gameNumber > 1) {
10176 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
10179 DisplayTitle(title);
10183 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10184 gameMode = PlayFromGameFile;
10188 currentMove = forwardMostMove = backwardMostMove = 0;
10189 CopyBoard(boards[0], initialPosition);
10193 * Skip the first gn-1 games in the file.
10194 * Also skip over anything that precedes an identifiable
10195 * start of game marker, to avoid being confused by
10196 * garbage at the start of the file. Currently
10197 * recognized start of game markers are the move number "1",
10198 * the pattern "gnuchess .* game", the pattern
10199 * "^[#;%] [^ ]* game file", and a PGN tag block.
10200 * A game that starts with one of the latter two patterns
10201 * will also have a move number 1, possibly
10202 * following a position diagram.
10203 * 5-4-02: Let's try being more lenient and allowing a game to
10204 * start with an unnumbered move. Does that break anything?
10206 cm = lastLoadGameStart = EndOfFile;
10208 yyboardindex = forwardMostMove;
10209 cm = (ChessMove) Myylex();
10212 if (cmailMsgLoaded) {
10213 nCmailGames = CMAIL_MAX_GAMES - gn;
10216 DisplayError(_("Game not found in file"), 0);
10223 lastLoadGameStart = cm;
10226 case MoveNumberOne:
10227 switch (lastLoadGameStart) {
10232 case MoveNumberOne:
10234 gn--; /* count this game */
10235 lastLoadGameStart = cm;
10244 switch (lastLoadGameStart) {
10247 case MoveNumberOne:
10249 gn--; /* count this game */
10250 lastLoadGameStart = cm;
10253 lastLoadGameStart = cm; /* game counted already */
10261 yyboardindex = forwardMostMove;
10262 cm = (ChessMove) Myylex();
10263 } while (cm == PGNTag || cm == Comment);
10270 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10271 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10272 != CMAIL_OLD_RESULT) {
10274 cmailResult[ CMAIL_MAX_GAMES
10275 - gn - 1] = CMAIL_OLD_RESULT;
10281 /* Only a NormalMove can be at the start of a game
10282 * without a position diagram. */
10283 if (lastLoadGameStart == EndOfFile ) {
10285 lastLoadGameStart = MoveNumberOne;
10294 if (appData.debugMode)
10295 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10297 if (cm == XBoardGame) {
10298 /* Skip any header junk before position diagram and/or move 1 */
10300 yyboardindex = forwardMostMove;
10301 cm = (ChessMove) Myylex();
10303 if (cm == EndOfFile ||
10304 cm == GNUChessGame || cm == XBoardGame) {
10305 /* Empty game; pretend end-of-file and handle later */
10310 if (cm == MoveNumberOne || cm == PositionDiagram ||
10311 cm == PGNTag || cm == Comment)
10314 } else if (cm == GNUChessGame) {
10315 if (gameInfo.event != NULL) {
10316 free(gameInfo.event);
10318 gameInfo.event = StrSave(yy_text);
10321 startedFromSetupPosition = FALSE;
10322 while (cm == PGNTag) {
10323 if (appData.debugMode)
10324 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10325 err = ParsePGNTag(yy_text, &gameInfo);
10326 if (!err) numPGNTags++;
10328 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10329 if(gameInfo.variant != oldVariant) {
10330 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10331 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
10332 InitPosition(TRUE);
10333 oldVariant = gameInfo.variant;
10334 if (appData.debugMode)
10335 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10339 if (gameInfo.fen != NULL) {
10340 Board initial_position;
10341 startedFromSetupPosition = TRUE;
10342 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10344 DisplayError(_("Bad FEN position in file"), 0);
10347 CopyBoard(boards[0], initial_position);
10348 if (blackPlaysFirst) {
10349 currentMove = forwardMostMove = backwardMostMove = 1;
10350 CopyBoard(boards[1], initial_position);
10351 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10352 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10353 timeRemaining[0][1] = whiteTimeRemaining;
10354 timeRemaining[1][1] = blackTimeRemaining;
10355 if (commentList[0] != NULL) {
10356 commentList[1] = commentList[0];
10357 commentList[0] = NULL;
10360 currentMove = forwardMostMove = backwardMostMove = 0;
10362 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10364 initialRulePlies = FENrulePlies;
10365 for( i=0; i< nrCastlingRights; i++ )
10366 initialRights[i] = initial_position[CASTLING][i];
10368 yyboardindex = forwardMostMove;
10369 free(gameInfo.fen);
10370 gameInfo.fen = NULL;
10373 yyboardindex = forwardMostMove;
10374 cm = (ChessMove) Myylex();
10376 /* Handle comments interspersed among the tags */
10377 while (cm == Comment) {
10379 if (appData.debugMode)
10380 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10382 AppendComment(currentMove, p, FALSE);
10383 yyboardindex = forwardMostMove;
10384 cm = (ChessMove) Myylex();
10388 /* don't rely on existence of Event tag since if game was
10389 * pasted from clipboard the Event tag may not exist
10391 if (numPGNTags > 0){
10393 if (gameInfo.variant == VariantNormal) {
10394 VariantClass v = StringToVariant(gameInfo.event);
10395 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10396 if(v < VariantShogi) gameInfo.variant = v;
10399 if( appData.autoDisplayTags ) {
10400 tags = PGNTags(&gameInfo);
10401 TagsPopUp(tags, CmailMsg());
10406 /* Make something up, but don't display it now */
10411 if (cm == PositionDiagram) {
10414 Board initial_position;
10416 if (appData.debugMode)
10417 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10419 if (!startedFromSetupPosition) {
10421 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10422 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10433 initial_position[i][j++] = CharToPiece(*p);
10436 while (*p == ' ' || *p == '\t' ||
10437 *p == '\n' || *p == '\r') p++;
10439 if (strncmp(p, "black", strlen("black"))==0)
10440 blackPlaysFirst = TRUE;
10442 blackPlaysFirst = FALSE;
10443 startedFromSetupPosition = TRUE;
10445 CopyBoard(boards[0], initial_position);
10446 if (blackPlaysFirst) {
10447 currentMove = forwardMostMove = backwardMostMove = 1;
10448 CopyBoard(boards[1], initial_position);
10449 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10450 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10451 timeRemaining[0][1] = whiteTimeRemaining;
10452 timeRemaining[1][1] = blackTimeRemaining;
10453 if (commentList[0] != NULL) {
10454 commentList[1] = commentList[0];
10455 commentList[0] = NULL;
10458 currentMove = forwardMostMove = backwardMostMove = 0;
10461 yyboardindex = forwardMostMove;
10462 cm = (ChessMove) Myylex();
10465 if (first.pr == NoProc) {
10466 StartChessProgram(&first);
10468 InitChessProgram(&first, FALSE);
10469 SendToProgram("force\n", &first);
10470 if (startedFromSetupPosition) {
10471 SendBoard(&first, forwardMostMove);
10472 if (appData.debugMode) {
10473 fprintf(debugFP, "Load Game\n");
10475 DisplayBothClocks();
10478 /* [HGM] server: flag to write setup moves in broadcast file as one */
10479 loadFlag = appData.suppressLoadMoves;
10481 while (cm == Comment) {
10483 if (appData.debugMode)
10484 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10486 AppendComment(currentMove, p, FALSE);
10487 yyboardindex = forwardMostMove;
10488 cm = (ChessMove) Myylex();
10491 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
10492 cm == WhiteWins || cm == BlackWins ||
10493 cm == GameIsDrawn || cm == GameUnfinished) {
10494 DisplayMessage("", _("No moves in game"));
10495 if (cmailMsgLoaded) {
10496 if (appData.debugMode)
10497 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10501 DrawPosition(FALSE, boards[currentMove]);
10502 DisplayBothClocks();
10503 gameMode = EditGame;
10510 // [HGM] PV info: routine tests if comment empty
10511 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10512 DisplayComment(currentMove - 1, commentList[currentMove]);
10514 if (!matchMode && appData.timeDelay != 0)
10515 DrawPosition(FALSE, boards[currentMove]);
10517 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10518 programStats.ok_to_send = 1;
10521 /* if the first token after the PGN tags is a move
10522 * and not move number 1, retrieve it from the parser
10524 if (cm != MoveNumberOne)
10525 LoadGameOneMove(cm);
10527 /* load the remaining moves from the file */
10528 while (LoadGameOneMove(EndOfFile)) {
10529 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10530 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10533 /* rewind to the start of the game */
10534 currentMove = backwardMostMove;
10536 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10538 if (oldGameMode == AnalyzeFile ||
10539 oldGameMode == AnalyzeMode) {
10540 AnalyzeFileEvent();
10543 if (matchMode || appData.timeDelay == 0) {
10545 gameMode = EditGame;
10547 } else if (appData.timeDelay > 0) {
10548 AutoPlayGameLoop();
10551 if (appData.debugMode)
10552 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10554 loadFlag = 0; /* [HGM] true game starts */
10558 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10560 ReloadPosition(offset)
10563 int positionNumber = lastLoadPositionNumber + offset;
10564 if (lastLoadPositionFP == NULL) {
10565 DisplayError(_("No position has been loaded yet"), 0);
10568 if (positionNumber <= 0) {
10569 DisplayError(_("Can't back up any further"), 0);
10572 return LoadPosition(lastLoadPositionFP, positionNumber,
10573 lastLoadPositionTitle);
10576 /* Load the nth position from the given file */
10578 LoadPositionFromFile(filename, n, title)
10586 if (strcmp(filename, "-") == 0) {
10587 return LoadPosition(stdin, n, "stdin");
10589 f = fopen(filename, "rb");
10591 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10592 DisplayError(buf, errno);
10595 return LoadPosition(f, n, title);
10600 /* Load the nth position from the given open file, and close it */
10602 LoadPosition(f, positionNumber, title)
10604 int positionNumber;
10607 char *p, line[MSG_SIZ];
10608 Board initial_position;
10609 int i, j, fenMode, pn;
10611 if (gameMode == Training )
10612 SetTrainingModeOff();
10614 if (gameMode != BeginningOfGame) {
10615 Reset(FALSE, TRUE);
10617 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10618 fclose(lastLoadPositionFP);
10620 if (positionNumber == 0) positionNumber = 1;
10621 lastLoadPositionFP = f;
10622 lastLoadPositionNumber = positionNumber;
10623 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
10624 if (first.pr == NoProc) {
10625 StartChessProgram(&first);
10626 InitChessProgram(&first, FALSE);
10628 pn = positionNumber;
10629 if (positionNumber < 0) {
10630 /* Negative position number means to seek to that byte offset */
10631 if (fseek(f, -positionNumber, 0) == -1) {
10632 DisplayError(_("Can't seek on position file"), 0);
10637 if (fseek(f, 0, 0) == -1) {
10638 if (f == lastLoadPositionFP ?
10639 positionNumber == lastLoadPositionNumber + 1 :
10640 positionNumber == 1) {
10643 DisplayError(_("Can't seek on position file"), 0);
10648 /* See if this file is FEN or old-style xboard */
10649 if (fgets(line, MSG_SIZ, f) == NULL) {
10650 DisplayError(_("Position not found in file"), 0);
10653 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10654 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10657 if (fenMode || line[0] == '#') pn--;
10659 /* skip positions before number pn */
10660 if (fgets(line, MSG_SIZ, f) == NULL) {
10662 DisplayError(_("Position not found in file"), 0);
10665 if (fenMode || line[0] == '#') pn--;
10670 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10671 DisplayError(_("Bad FEN position in file"), 0);
10675 (void) fgets(line, MSG_SIZ, f);
10676 (void) fgets(line, MSG_SIZ, f);
10678 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10679 (void) fgets(line, MSG_SIZ, f);
10680 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10683 initial_position[i][j++] = CharToPiece(*p);
10687 blackPlaysFirst = FALSE;
10689 (void) fgets(line, MSG_SIZ, f);
10690 if (strncmp(line, "black", strlen("black"))==0)
10691 blackPlaysFirst = TRUE;
10694 startedFromSetupPosition = TRUE;
10696 SendToProgram("force\n", &first);
10697 CopyBoard(boards[0], initial_position);
10698 if (blackPlaysFirst) {
10699 currentMove = forwardMostMove = backwardMostMove = 1;
10700 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10701 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10702 CopyBoard(boards[1], initial_position);
10703 DisplayMessage("", _("Black to play"));
10705 currentMove = forwardMostMove = backwardMostMove = 0;
10706 DisplayMessage("", _("White to play"));
10708 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10709 SendBoard(&first, forwardMostMove);
10710 if (appData.debugMode) {
10712 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10713 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10714 fprintf(debugFP, "Load Position\n");
10717 if (positionNumber > 1) {
10718 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
10719 DisplayTitle(line);
10721 DisplayTitle(title);
10723 gameMode = EditGame;
10726 timeRemaining[0][1] = whiteTimeRemaining;
10727 timeRemaining[1][1] = blackTimeRemaining;
10728 DrawPosition(FALSE, boards[currentMove]);
10735 CopyPlayerNameIntoFileName(dest, src)
10738 while (*src != NULLCHAR && *src != ',') {
10743 *(*dest)++ = *src++;
10748 char *DefaultFileName(ext)
10751 static char def[MSG_SIZ];
10754 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10756 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10758 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10760 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
10767 /* Save the current game to the given file */
10769 SaveGameToFile(filename, append)
10776 if (strcmp(filename, "-") == 0) {
10777 return SaveGame(stdout, 0, NULL);
10779 f = fopen(filename, append ? "a" : "w");
10781 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10782 DisplayError(buf, errno);
10785 return SaveGame(f, 0, NULL);
10794 static char buf[MSG_SIZ];
10797 p = strchr(str, ' ');
10798 if (p == NULL) return str;
10799 strncpy(buf, str, p - str);
10800 buf[p - str] = NULLCHAR;
10804 #define PGN_MAX_LINE 75
10806 #define PGN_SIDE_WHITE 0
10807 #define PGN_SIDE_BLACK 1
10810 static int FindFirstMoveOutOfBook( int side )
10814 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10815 int index = backwardMostMove;
10816 int has_book_hit = 0;
10818 if( (index % 2) != side ) {
10822 while( index < forwardMostMove ) {
10823 /* Check to see if engine is in book */
10824 int depth = pvInfoList[index].depth;
10825 int score = pvInfoList[index].score;
10831 else if( score == 0 && depth == 63 ) {
10832 in_book = 1; /* Zappa */
10834 else if( score == 2 && depth == 99 ) {
10835 in_book = 1; /* Abrok */
10838 has_book_hit += in_book;
10854 void GetOutOfBookInfo( char * buf )
10858 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10860 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10861 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10865 if( oob[0] >= 0 || oob[1] >= 0 ) {
10866 for( i=0; i<2; i++ ) {
10870 if( i > 0 && oob[0] >= 0 ) {
10871 strcat( buf, " " );
10874 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10875 sprintf( buf+strlen(buf), "%s%.2f",
10876 pvInfoList[idx].score >= 0 ? "+" : "",
10877 pvInfoList[idx].score / 100.0 );
10883 /* Save game in PGN style and close the file */
10888 int i, offset, linelen, newblock;
10892 int movelen, numlen, blank;
10893 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10895 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10897 tm = time((time_t *) NULL);
10899 PrintPGNTags(f, &gameInfo);
10901 if (backwardMostMove > 0 || startedFromSetupPosition) {
10902 char *fen = PositionToFEN(backwardMostMove, NULL);
10903 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10904 fprintf(f, "\n{--------------\n");
10905 PrintPosition(f, backwardMostMove);
10906 fprintf(f, "--------------}\n");
10910 /* [AS] Out of book annotation */
10911 if( appData.saveOutOfBookInfo ) {
10914 GetOutOfBookInfo( buf );
10916 if( buf[0] != '\0' ) {
10917 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10924 i = backwardMostMove;
10928 while (i < forwardMostMove) {
10929 /* Print comments preceding this move */
10930 if (commentList[i] != NULL) {
10931 if (linelen > 0) fprintf(f, "\n");
10932 fprintf(f, "%s", commentList[i]);
10937 /* Format move number */
10939 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
10942 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
10944 numtext[0] = NULLCHAR;
10946 numlen = strlen(numtext);
10949 /* Print move number */
10950 blank = linelen > 0 && numlen > 0;
10951 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10960 fprintf(f, "%s", numtext);
10964 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
10965 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10968 blank = linelen > 0 && movelen > 0;
10969 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10978 fprintf(f, "%s", move_buffer);
10979 linelen += movelen;
10981 /* [AS] Add PV info if present */
10982 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10983 /* [HGM] add time */
10984 char buf[MSG_SIZ]; int seconds;
10986 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10992 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
10995 seconds = (seconds + 4)/10; // round to full seconds
10997 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
10999 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
11002 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
11003 pvInfoList[i].score >= 0 ? "+" : "",
11004 pvInfoList[i].score / 100.0,
11005 pvInfoList[i].depth,
11008 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
11010 /* Print score/depth */
11011 blank = linelen > 0 && movelen > 0;
11012 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11021 fprintf(f, "%s", move_buffer);
11022 linelen += movelen;
11028 /* Start a new line */
11029 if (linelen > 0) fprintf(f, "\n");
11031 /* Print comments after last move */
11032 if (commentList[i] != NULL) {
11033 fprintf(f, "%s\n", commentList[i]);
11037 if (gameInfo.resultDetails != NULL &&
11038 gameInfo.resultDetails[0] != NULLCHAR) {
11039 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
11040 PGNResult(gameInfo.result));
11042 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11046 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11050 /* Save game in old style and close the file */
11052 SaveGameOldStyle(f)
11058 tm = time((time_t *) NULL);
11060 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11063 if (backwardMostMove > 0 || startedFromSetupPosition) {
11064 fprintf(f, "\n[--------------\n");
11065 PrintPosition(f, backwardMostMove);
11066 fprintf(f, "--------------]\n");
11071 i = backwardMostMove;
11072 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11074 while (i < forwardMostMove) {
11075 if (commentList[i] != NULL) {
11076 fprintf(f, "[%s]\n", commentList[i]);
11079 if ((i % 2) == 1) {
11080 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11083 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11085 if (commentList[i] != NULL) {
11089 if (i >= forwardMostMove) {
11093 fprintf(f, "%s\n", parseList[i]);
11098 if (commentList[i] != NULL) {
11099 fprintf(f, "[%s]\n", commentList[i]);
11102 /* This isn't really the old style, but it's close enough */
11103 if (gameInfo.resultDetails != NULL &&
11104 gameInfo.resultDetails[0] != NULLCHAR) {
11105 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11106 gameInfo.resultDetails);
11108 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11115 /* Save the current game to open file f and close the file */
11117 SaveGame(f, dummy, dummy2)
11122 if (gameMode == EditPosition) EditPositionDone(TRUE);
11123 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11124 if (appData.oldSaveStyle)
11125 return SaveGameOldStyle(f);
11127 return SaveGamePGN(f);
11130 /* Save the current position to the given file */
11132 SavePositionToFile(filename)
11138 if (strcmp(filename, "-") == 0) {
11139 return SavePosition(stdout, 0, NULL);
11141 f = fopen(filename, "a");
11143 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11144 DisplayError(buf, errno);
11147 SavePosition(f, 0, NULL);
11153 /* Save the current position to the given open file and close the file */
11155 SavePosition(f, dummy, dummy2)
11163 if (gameMode == EditPosition) EditPositionDone(TRUE);
11164 if (appData.oldSaveStyle) {
11165 tm = time((time_t *) NULL);
11167 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11169 fprintf(f, "[--------------\n");
11170 PrintPosition(f, currentMove);
11171 fprintf(f, "--------------]\n");
11173 fen = PositionToFEN(currentMove, NULL);
11174 fprintf(f, "%s\n", fen);
11182 ReloadCmailMsgEvent(unregister)
11186 static char *inFilename = NULL;
11187 static char *outFilename;
11189 struct stat inbuf, outbuf;
11192 /* Any registered moves are unregistered if unregister is set, */
11193 /* i.e. invoked by the signal handler */
11195 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11196 cmailMoveRegistered[i] = FALSE;
11197 if (cmailCommentList[i] != NULL) {
11198 free(cmailCommentList[i]);
11199 cmailCommentList[i] = NULL;
11202 nCmailMovesRegistered = 0;
11205 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11206 cmailResult[i] = CMAIL_NOT_RESULT;
11210 if (inFilename == NULL) {
11211 /* Because the filenames are static they only get malloced once */
11212 /* and they never get freed */
11213 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11214 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11216 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11217 sprintf(outFilename, "%s.out", appData.cmailGameName);
11220 status = stat(outFilename, &outbuf);
11222 cmailMailedMove = FALSE;
11224 status = stat(inFilename, &inbuf);
11225 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11228 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11229 counts the games, notes how each one terminated, etc.
11231 It would be nice to remove this kludge and instead gather all
11232 the information while building the game list. (And to keep it
11233 in the game list nodes instead of having a bunch of fixed-size
11234 parallel arrays.) Note this will require getting each game's
11235 termination from the PGN tags, as the game list builder does
11236 not process the game moves. --mann
11238 cmailMsgLoaded = TRUE;
11239 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11241 /* Load first game in the file or popup game menu */
11242 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11244 #endif /* !WIN32 */
11252 char string[MSG_SIZ];
11254 if ( cmailMailedMove
11255 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11256 return TRUE; /* Allow free viewing */
11259 /* Unregister move to ensure that we don't leave RegisterMove */
11260 /* with the move registered when the conditions for registering no */
11262 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11263 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11264 nCmailMovesRegistered --;
11266 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11268 free(cmailCommentList[lastLoadGameNumber - 1]);
11269 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11273 if (cmailOldMove == -1) {
11274 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11278 if (currentMove > cmailOldMove + 1) {
11279 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11283 if (currentMove < cmailOldMove) {
11284 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11288 if (forwardMostMove > currentMove) {
11289 /* Silently truncate extra moves */
11293 if ( (currentMove == cmailOldMove + 1)
11294 || ( (currentMove == cmailOldMove)
11295 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11296 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11297 if (gameInfo.result != GameUnfinished) {
11298 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11301 if (commentList[currentMove] != NULL) {
11302 cmailCommentList[lastLoadGameNumber - 1]
11303 = StrSave(commentList[currentMove]);
11305 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
11307 if (appData.debugMode)
11308 fprintf(debugFP, "Saving %s for game %d\n",
11309 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11311 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11313 f = fopen(string, "w");
11314 if (appData.oldSaveStyle) {
11315 SaveGameOldStyle(f); /* also closes the file */
11317 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
11318 f = fopen(string, "w");
11319 SavePosition(f, 0, NULL); /* also closes the file */
11321 fprintf(f, "{--------------\n");
11322 PrintPosition(f, currentMove);
11323 fprintf(f, "--------------}\n\n");
11325 SaveGame(f, 0, NULL); /* also closes the file*/
11328 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11329 nCmailMovesRegistered ++;
11330 } else if (nCmailGames == 1) {
11331 DisplayError(_("You have not made a move yet"), 0);
11342 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11343 FILE *commandOutput;
11344 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11345 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11351 if (! cmailMsgLoaded) {
11352 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11356 if (nCmailGames == nCmailResults) {
11357 DisplayError(_("No unfinished games"), 0);
11361 #if CMAIL_PROHIBIT_REMAIL
11362 if (cmailMailedMove) {
11363 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);
11364 DisplayError(msg, 0);
11369 if (! (cmailMailedMove || RegisterMove())) return;
11371 if ( cmailMailedMove
11372 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11373 snprintf(string, MSG_SIZ, partCommandString,
11374 appData.debugMode ? " -v" : "", appData.cmailGameName);
11375 commandOutput = popen(string, "r");
11377 if (commandOutput == NULL) {
11378 DisplayError(_("Failed to invoke cmail"), 0);
11380 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11381 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11383 if (nBuffers > 1) {
11384 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11385 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11386 nBytes = MSG_SIZ - 1;
11388 (void) memcpy(msg, buffer, nBytes);
11390 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11392 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11393 cmailMailedMove = TRUE; /* Prevent >1 moves */
11396 for (i = 0; i < nCmailGames; i ++) {
11397 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11402 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11404 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
11406 appData.cmailGameName,
11408 LoadGameFromFile(buffer, 1, buffer, FALSE);
11409 cmailMsgLoaded = FALSE;
11413 DisplayInformation(msg);
11414 pclose(commandOutput);
11417 if ((*cmailMsg) != '\0') {
11418 DisplayInformation(cmailMsg);
11423 #endif /* !WIN32 */
11432 int prependComma = 0;
11434 char string[MSG_SIZ]; /* Space for game-list */
11437 if (!cmailMsgLoaded) return "";
11439 if (cmailMailedMove) {
11440 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
11442 /* Create a list of games left */
11443 snprintf(string, MSG_SIZ, "[");
11444 for (i = 0; i < nCmailGames; i ++) {
11445 if (! ( cmailMoveRegistered[i]
11446 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11447 if (prependComma) {
11448 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
11450 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
11454 strcat(string, number);
11457 strcat(string, "]");
11459 if (nCmailMovesRegistered + nCmailResults == 0) {
11460 switch (nCmailGames) {
11462 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
11466 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
11470 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
11475 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11477 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
11482 if (nCmailResults == nCmailGames) {
11483 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
11485 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
11490 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
11502 if (gameMode == Training)
11503 SetTrainingModeOff();
11506 cmailMsgLoaded = FALSE;
11507 if (appData.icsActive) {
11508 SendToICS(ics_prefix);
11509 SendToICS("refresh\n");
11519 /* Give up on clean exit */
11523 /* Keep trying for clean exit */
11527 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11529 if (telnetISR != NULL) {
11530 RemoveInputSource(telnetISR);
11532 if (icsPR != NoProc) {
11533 DestroyChildProcess(icsPR, TRUE);
11536 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11537 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11539 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11540 /* make sure this other one finishes before killing it! */
11541 if(endingGame) { int count = 0;
11542 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11543 while(endingGame && count++ < 10) DoSleep(1);
11544 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11547 /* Kill off chess programs */
11548 if (first.pr != NoProc) {
11551 DoSleep( appData.delayBeforeQuit );
11552 SendToProgram("quit\n", &first);
11553 DoSleep( appData.delayAfterQuit );
11554 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11556 if (second.pr != NoProc) {
11557 DoSleep( appData.delayBeforeQuit );
11558 SendToProgram("quit\n", &second);
11559 DoSleep( appData.delayAfterQuit );
11560 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11562 if (first.isr != NULL) {
11563 RemoveInputSource(first.isr);
11565 if (second.isr != NULL) {
11566 RemoveInputSource(second.isr);
11569 ShutDownFrontEnd();
11576 if (appData.debugMode)
11577 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11581 if (gameMode == MachinePlaysWhite ||
11582 gameMode == MachinePlaysBlack) {
11585 DisplayBothClocks();
11587 if (gameMode == PlayFromGameFile) {
11588 if (appData.timeDelay >= 0)
11589 AutoPlayGameLoop();
11590 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11591 Reset(FALSE, TRUE);
11592 SendToICS(ics_prefix);
11593 SendToICS("refresh\n");
11594 } else if (currentMove < forwardMostMove) {
11595 ForwardInner(forwardMostMove);
11597 pauseExamInvalid = FALSE;
11599 switch (gameMode) {
11603 pauseExamForwardMostMove = forwardMostMove;
11604 pauseExamInvalid = FALSE;
11607 case IcsPlayingWhite:
11608 case IcsPlayingBlack:
11612 case PlayFromGameFile:
11613 (void) StopLoadGameTimer();
11617 case BeginningOfGame:
11618 if (appData.icsActive) return;
11619 /* else fall through */
11620 case MachinePlaysWhite:
11621 case MachinePlaysBlack:
11622 case TwoMachinesPlay:
11623 if (forwardMostMove == 0)
11624 return; /* don't pause if no one has moved */
11625 if ((gameMode == MachinePlaysWhite &&
11626 !WhiteOnMove(forwardMostMove)) ||
11627 (gameMode == MachinePlaysBlack &&
11628 WhiteOnMove(forwardMostMove))) {
11641 char title[MSG_SIZ];
11643 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11644 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
11646 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11647 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11648 parseList[currentMove - 1]);
11651 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11658 char *tags = PGNTags(&gameInfo);
11659 EditTagsPopUp(tags, NULL);
11666 if (appData.noChessProgram || gameMode == AnalyzeMode)
11669 if (gameMode != AnalyzeFile) {
11670 if (!appData.icsEngineAnalyze) {
11672 if (gameMode != EditGame) return;
11674 ResurrectChessProgram();
11675 SendToProgram("analyze\n", &first);
11676 first.analyzing = TRUE;
11677 /*first.maybeThinking = TRUE;*/
11678 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11679 EngineOutputPopUp();
11681 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11686 StartAnalysisClock();
11687 GetTimeMark(&lastNodeCountTime);
11694 if (appData.noChessProgram || gameMode == AnalyzeFile)
11697 if (gameMode != AnalyzeMode) {
11699 if (gameMode != EditGame) return;
11700 ResurrectChessProgram();
11701 SendToProgram("analyze\n", &first);
11702 first.analyzing = TRUE;
11703 /*first.maybeThinking = TRUE;*/
11704 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11705 EngineOutputPopUp();
11707 gameMode = AnalyzeFile;
11712 StartAnalysisClock();
11713 GetTimeMark(&lastNodeCountTime);
11718 MachineWhiteEvent()
11721 char *bookHit = NULL;
11723 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11727 if (gameMode == PlayFromGameFile ||
11728 gameMode == TwoMachinesPlay ||
11729 gameMode == Training ||
11730 gameMode == AnalyzeMode ||
11731 gameMode == EndOfGame)
11734 if (gameMode == EditPosition)
11735 EditPositionDone(TRUE);
11737 if (!WhiteOnMove(currentMove)) {
11738 DisplayError(_("It is not White's turn"), 0);
11742 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11745 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11746 gameMode == AnalyzeFile)
11749 ResurrectChessProgram(); /* in case it isn't running */
11750 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11751 gameMode = MachinePlaysWhite;
11754 gameMode = MachinePlaysWhite;
11758 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11760 if (first.sendName) {
11761 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
11762 SendToProgram(buf, &first);
11764 if (first.sendTime) {
11765 if (first.useColors) {
11766 SendToProgram("black\n", &first); /*gnu kludge*/
11768 SendTimeRemaining(&first, TRUE);
11770 if (first.useColors) {
11771 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11773 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11774 SetMachineThinkingEnables();
11775 first.maybeThinking = TRUE;
11779 if (appData.autoFlipView && !flipView) {
11780 flipView = !flipView;
11781 DrawPosition(FALSE, NULL);
11782 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11785 if(bookHit) { // [HGM] book: simulate book reply
11786 static char bookMove[MSG_SIZ]; // a bit generous?
11788 programStats.nodes = programStats.depth = programStats.time =
11789 programStats.score = programStats.got_only_move = 0;
11790 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11792 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11793 strcat(bookMove, bookHit);
11794 HandleMachineMove(bookMove, &first);
11799 MachineBlackEvent()
11802 char *bookHit = NULL;
11804 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11808 if (gameMode == PlayFromGameFile ||
11809 gameMode == TwoMachinesPlay ||
11810 gameMode == Training ||
11811 gameMode == AnalyzeMode ||
11812 gameMode == EndOfGame)
11815 if (gameMode == EditPosition)
11816 EditPositionDone(TRUE);
11818 if (WhiteOnMove(currentMove)) {
11819 DisplayError(_("It is not Black's turn"), 0);
11823 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11826 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11827 gameMode == AnalyzeFile)
11830 ResurrectChessProgram(); /* in case it isn't running */
11831 gameMode = MachinePlaysBlack;
11835 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11837 if (first.sendName) {
11838 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
11839 SendToProgram(buf, &first);
11841 if (first.sendTime) {
11842 if (first.useColors) {
11843 SendToProgram("white\n", &first); /*gnu kludge*/
11845 SendTimeRemaining(&first, FALSE);
11847 if (first.useColors) {
11848 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11850 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11851 SetMachineThinkingEnables();
11852 first.maybeThinking = TRUE;
11855 if (appData.autoFlipView && flipView) {
11856 flipView = !flipView;
11857 DrawPosition(FALSE, NULL);
11858 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11860 if(bookHit) { // [HGM] book: simulate book reply
11861 static char bookMove[MSG_SIZ]; // a bit generous?
11863 programStats.nodes = programStats.depth = programStats.time =
11864 programStats.score = programStats.got_only_move = 0;
11865 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11867 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11868 strcat(bookMove, bookHit);
11869 HandleMachineMove(bookMove, &first);
11875 DisplayTwoMachinesTitle()
11878 if (appData.matchGames > 0) {
11879 if (first.twoMachinesColor[0] == 'w') {
11880 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11881 gameInfo.white, gameInfo.black,
11882 first.matchWins, second.matchWins,
11883 matchGame - 1 - (first.matchWins + second.matchWins));
11885 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11886 gameInfo.white, gameInfo.black,
11887 second.matchWins, first.matchWins,
11888 matchGame - 1 - (first.matchWins + second.matchWins));
11891 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11897 SettingsMenuIfReady()
11899 if (second.lastPing != second.lastPong) {
11900 DisplayMessage("", _("Waiting for second chess program"));
11901 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
11905 DisplayMessage("", "");
11906 SettingsPopUp(&second);
11910 WaitForSecond(DelayedEventCallback retry)
11912 if (second.pr == NULL) {
11913 StartChessProgram(&second);
11914 if (second.protocolVersion == 1) {
11917 /* kludge: allow timeout for initial "feature" command */
11919 DisplayMessage("", _("Starting second chess program"));
11920 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
11928 TwoMachinesEvent P((void))
11932 ChessProgramState *onmove;
11933 char *bookHit = NULL;
11935 if (appData.noChessProgram) return;
11937 switch (gameMode) {
11938 case TwoMachinesPlay:
11940 case MachinePlaysWhite:
11941 case MachinePlaysBlack:
11942 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11943 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11947 case BeginningOfGame:
11948 case PlayFromGameFile:
11951 if (gameMode != EditGame) return;
11954 EditPositionDone(TRUE);
11965 // forwardMostMove = currentMove;
11966 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11967 ResurrectChessProgram(); /* in case first program isn't running */
11969 if(WaitForSecond(TwoMachinesEventIfReady)) return;
11970 DisplayMessage("", "");
11971 InitChessProgram(&second, FALSE);
11972 SendToProgram("force\n", &second);
11973 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
11974 ScheduleDelayedEvent(TwoMachinesEvent, 10);
11977 if (startedFromSetupPosition) {
11978 SendBoard(&second, backwardMostMove);
11979 if (appData.debugMode) {
11980 fprintf(debugFP, "Two Machines\n");
11983 for (i = backwardMostMove; i < forwardMostMove; i++) {
11984 SendMoveToProgram(i, &second);
11987 gameMode = TwoMachinesPlay;
11991 DisplayTwoMachinesTitle();
11993 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11999 SendToProgram(first.computerString, &first);
12000 if (first.sendName) {
12001 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
12002 SendToProgram(buf, &first);
12004 SendToProgram(second.computerString, &second);
12005 if (second.sendName) {
12006 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
12007 SendToProgram(buf, &second);
12011 if (!first.sendTime || !second.sendTime) {
12012 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12013 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12015 if (onmove->sendTime) {
12016 if (onmove->useColors) {
12017 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
12019 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
12021 if (onmove->useColors) {
12022 SendToProgram(onmove->twoMachinesColor, onmove);
12024 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
12025 // SendToProgram("go\n", onmove);
12026 onmove->maybeThinking = TRUE;
12027 SetMachineThinkingEnables();
12031 if(bookHit) { // [HGM] book: simulate book reply
12032 static char bookMove[MSG_SIZ]; // a bit generous?
12034 programStats.nodes = programStats.depth = programStats.time =
12035 programStats.score = programStats.got_only_move = 0;
12036 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12038 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12039 strcat(bookMove, bookHit);
12040 savedMessage = bookMove; // args for deferred call
12041 savedState = onmove;
12042 ScheduleDelayedEvent(DeferredBookMove, 1);
12049 if (gameMode == Training) {
12050 SetTrainingModeOff();
12051 gameMode = PlayFromGameFile;
12052 DisplayMessage("", _("Training mode off"));
12054 gameMode = Training;
12055 animateTraining = appData.animate;
12057 /* make sure we are not already at the end of the game */
12058 if (currentMove < forwardMostMove) {
12059 SetTrainingModeOn();
12060 DisplayMessage("", _("Training mode on"));
12062 gameMode = PlayFromGameFile;
12063 DisplayError(_("Already at end of game"), 0);
12072 if (!appData.icsActive) return;
12073 switch (gameMode) {
12074 case IcsPlayingWhite:
12075 case IcsPlayingBlack:
12078 case BeginningOfGame:
12086 EditPositionDone(TRUE);
12099 gameMode = IcsIdle;
12110 switch (gameMode) {
12112 SetTrainingModeOff();
12114 case MachinePlaysWhite:
12115 case MachinePlaysBlack:
12116 case BeginningOfGame:
12117 SendToProgram("force\n", &first);
12118 SetUserThinkingEnables();
12120 case PlayFromGameFile:
12121 (void) StopLoadGameTimer();
12122 if (gameFileFP != NULL) {
12127 EditPositionDone(TRUE);
12132 SendToProgram("force\n", &first);
12134 case TwoMachinesPlay:
12135 GameEnds(EndOfFile, NULL, GE_PLAYER);
12136 ResurrectChessProgram();
12137 SetUserThinkingEnables();
12140 ResurrectChessProgram();
12142 case IcsPlayingBlack:
12143 case IcsPlayingWhite:
12144 DisplayError(_("Warning: You are still playing a game"), 0);
12147 DisplayError(_("Warning: You are still observing a game"), 0);
12150 DisplayError(_("Warning: You are still examining a game"), 0);
12161 first.offeredDraw = second.offeredDraw = 0;
12163 if (gameMode == PlayFromGameFile) {
12164 whiteTimeRemaining = timeRemaining[0][currentMove];
12165 blackTimeRemaining = timeRemaining[1][currentMove];
12169 if (gameMode == MachinePlaysWhite ||
12170 gameMode == MachinePlaysBlack ||
12171 gameMode == TwoMachinesPlay ||
12172 gameMode == EndOfGame) {
12173 i = forwardMostMove;
12174 while (i > currentMove) {
12175 SendToProgram("undo\n", &first);
12178 whiteTimeRemaining = timeRemaining[0][currentMove];
12179 blackTimeRemaining = timeRemaining[1][currentMove];
12180 DisplayBothClocks();
12181 if (whiteFlag || blackFlag) {
12182 whiteFlag = blackFlag = 0;
12187 gameMode = EditGame;
12194 EditPositionEvent()
12196 if (gameMode == EditPosition) {
12202 if (gameMode != EditGame) return;
12204 gameMode = EditPosition;
12207 if (currentMove > 0)
12208 CopyBoard(boards[0], boards[currentMove]);
12210 blackPlaysFirst = !WhiteOnMove(currentMove);
12212 currentMove = forwardMostMove = backwardMostMove = 0;
12213 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12220 /* [DM] icsEngineAnalyze - possible call from other functions */
12221 if (appData.icsEngineAnalyze) {
12222 appData.icsEngineAnalyze = FALSE;
12224 DisplayMessage("",_("Close ICS engine analyze..."));
12226 if (first.analysisSupport && first.analyzing) {
12227 SendToProgram("exit\n", &first);
12228 first.analyzing = FALSE;
12230 thinkOutput[0] = NULLCHAR;
12234 EditPositionDone(Boolean fakeRights)
12236 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12238 startedFromSetupPosition = TRUE;
12239 InitChessProgram(&first, FALSE);
12240 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12241 boards[0][EP_STATUS] = EP_NONE;
12242 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12243 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12244 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12245 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12246 } else boards[0][CASTLING][2] = NoRights;
12247 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12248 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12249 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12250 } else boards[0][CASTLING][5] = NoRights;
12252 SendToProgram("force\n", &first);
12253 if (blackPlaysFirst) {
12254 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12255 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12256 currentMove = forwardMostMove = backwardMostMove = 1;
12257 CopyBoard(boards[1], boards[0]);
12259 currentMove = forwardMostMove = backwardMostMove = 0;
12261 SendBoard(&first, forwardMostMove);
12262 if (appData.debugMode) {
12263 fprintf(debugFP, "EditPosDone\n");
12266 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12267 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12268 gameMode = EditGame;
12270 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12271 ClearHighlights(); /* [AS] */
12274 /* Pause for `ms' milliseconds */
12275 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12285 } while (SubtractTimeMarks(&m2, &m1) < ms);
12288 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12290 SendMultiLineToICS(buf)
12293 char temp[MSG_SIZ+1], *p;
12300 strncpy(temp, buf, len);
12305 if (*p == '\n' || *p == '\r')
12310 strcat(temp, "\n");
12312 SendToPlayer(temp, strlen(temp));
12316 SetWhiteToPlayEvent()
12318 if (gameMode == EditPosition) {
12319 blackPlaysFirst = FALSE;
12320 DisplayBothClocks(); /* works because currentMove is 0 */
12321 } else if (gameMode == IcsExamining) {
12322 SendToICS(ics_prefix);
12323 SendToICS("tomove white\n");
12328 SetBlackToPlayEvent()
12330 if (gameMode == EditPosition) {
12331 blackPlaysFirst = TRUE;
12332 currentMove = 1; /* kludge */
12333 DisplayBothClocks();
12335 } else if (gameMode == IcsExamining) {
12336 SendToICS(ics_prefix);
12337 SendToICS("tomove black\n");
12342 EditPositionMenuEvent(selection, x, y)
12343 ChessSquare selection;
12347 ChessSquare piece = boards[0][y][x];
12349 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12351 switch (selection) {
12353 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12354 SendToICS(ics_prefix);
12355 SendToICS("bsetup clear\n");
12356 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12357 SendToICS(ics_prefix);
12358 SendToICS("clearboard\n");
12360 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12361 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12362 for (y = 0; y < BOARD_HEIGHT; y++) {
12363 if (gameMode == IcsExamining) {
12364 if (boards[currentMove][y][x] != EmptySquare) {
12365 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
12370 boards[0][y][x] = p;
12375 if (gameMode == EditPosition) {
12376 DrawPosition(FALSE, boards[0]);
12381 SetWhiteToPlayEvent();
12385 SetBlackToPlayEvent();
12389 if (gameMode == IcsExamining) {
12390 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12391 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12394 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12395 if(x == BOARD_LEFT-2) {
12396 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12397 boards[0][y][1] = 0;
12399 if(x == BOARD_RGHT+1) {
12400 if(y >= gameInfo.holdingsSize) break;
12401 boards[0][y][BOARD_WIDTH-2] = 0;
12404 boards[0][y][x] = EmptySquare;
12405 DrawPosition(FALSE, boards[0]);
12410 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12411 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12412 selection = (ChessSquare) (PROMOTED piece);
12413 } else if(piece == EmptySquare) selection = WhiteSilver;
12414 else selection = (ChessSquare)((int)piece - 1);
12418 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12419 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12420 selection = (ChessSquare) (DEMOTED piece);
12421 } else if(piece == EmptySquare) selection = BlackSilver;
12422 else selection = (ChessSquare)((int)piece + 1);
12427 if(gameInfo.variant == VariantShatranj ||
12428 gameInfo.variant == VariantXiangqi ||
12429 gameInfo.variant == VariantCourier ||
12430 gameInfo.variant == VariantMakruk )
12431 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12436 if(gameInfo.variant == VariantXiangqi)
12437 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12438 if(gameInfo.variant == VariantKnightmate)
12439 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12442 if (gameMode == IcsExamining) {
12443 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12444 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
12445 PieceToChar(selection), AAA + x, ONE + y);
12448 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12450 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12451 n = PieceToNumber(selection - BlackPawn);
12452 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12453 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12454 boards[0][BOARD_HEIGHT-1-n][1]++;
12456 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12457 n = PieceToNumber(selection);
12458 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12459 boards[0][n][BOARD_WIDTH-1] = selection;
12460 boards[0][n][BOARD_WIDTH-2]++;
12463 boards[0][y][x] = selection;
12464 DrawPosition(TRUE, boards[0]);
12472 DropMenuEvent(selection, x, y)
12473 ChessSquare selection;
12476 ChessMove moveType;
12478 switch (gameMode) {
12479 case IcsPlayingWhite:
12480 case MachinePlaysBlack:
12481 if (!WhiteOnMove(currentMove)) {
12482 DisplayMoveError(_("It is Black's turn"));
12485 moveType = WhiteDrop;
12487 case IcsPlayingBlack:
12488 case MachinePlaysWhite:
12489 if (WhiteOnMove(currentMove)) {
12490 DisplayMoveError(_("It is White's turn"));
12493 moveType = BlackDrop;
12496 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12502 if (moveType == BlackDrop && selection < BlackPawn) {
12503 selection = (ChessSquare) ((int) selection
12504 + (int) BlackPawn - (int) WhitePawn);
12506 if (boards[currentMove][y][x] != EmptySquare) {
12507 DisplayMoveError(_("That square is occupied"));
12511 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12517 /* Accept a pending offer of any kind from opponent */
12519 if (appData.icsActive) {
12520 SendToICS(ics_prefix);
12521 SendToICS("accept\n");
12522 } else if (cmailMsgLoaded) {
12523 if (currentMove == cmailOldMove &&
12524 commentList[cmailOldMove] != NULL &&
12525 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12526 "Black offers a draw" : "White offers a draw")) {
12528 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12529 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12531 DisplayError(_("There is no pending offer on this move"), 0);
12532 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12535 /* Not used for offers from chess program */
12542 /* Decline a pending offer of any kind from opponent */
12544 if (appData.icsActive) {
12545 SendToICS(ics_prefix);
12546 SendToICS("decline\n");
12547 } else if (cmailMsgLoaded) {
12548 if (currentMove == cmailOldMove &&
12549 commentList[cmailOldMove] != NULL &&
12550 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12551 "Black offers a draw" : "White offers a draw")) {
12553 AppendComment(cmailOldMove, "Draw declined", TRUE);
12554 DisplayComment(cmailOldMove - 1, "Draw declined");
12557 DisplayError(_("There is no pending offer on this move"), 0);
12560 /* Not used for offers from chess program */
12567 /* Issue ICS rematch command */
12568 if (appData.icsActive) {
12569 SendToICS(ics_prefix);
12570 SendToICS("rematch\n");
12577 /* Call your opponent's flag (claim a win on time) */
12578 if (appData.icsActive) {
12579 SendToICS(ics_prefix);
12580 SendToICS("flag\n");
12582 switch (gameMode) {
12585 case MachinePlaysWhite:
12588 GameEnds(GameIsDrawn, "Both players ran out of time",
12591 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12593 DisplayError(_("Your opponent is not out of time"), 0);
12596 case MachinePlaysBlack:
12599 GameEnds(GameIsDrawn, "Both players ran out of time",
12602 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12604 DisplayError(_("Your opponent is not out of time"), 0);
12612 ClockClick(int which)
12613 { // [HGM] code moved to back-end from winboard.c
12614 if(which) { // black clock
12615 if (gameMode == EditPosition || gameMode == IcsExamining) {
12616 SetBlackToPlayEvent();
12617 } else if (gameMode == EditGame || shiftKey) {
12618 AdjustClock(which, -1);
12619 } else if (gameMode == IcsPlayingWhite ||
12620 gameMode == MachinePlaysBlack) {
12623 } else { // white clock
12624 if (gameMode == EditPosition || gameMode == IcsExamining) {
12625 SetWhiteToPlayEvent();
12626 } else if (gameMode == EditGame || shiftKey) {
12627 AdjustClock(which, -1);
12628 } else if (gameMode == IcsPlayingBlack ||
12629 gameMode == MachinePlaysWhite) {
12638 /* Offer draw or accept pending draw offer from opponent */
12640 if (appData.icsActive) {
12641 /* Note: tournament rules require draw offers to be
12642 made after you make your move but before you punch
12643 your clock. Currently ICS doesn't let you do that;
12644 instead, you immediately punch your clock after making
12645 a move, but you can offer a draw at any time. */
12647 SendToICS(ics_prefix);
12648 SendToICS("draw\n");
12649 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12650 } else if (cmailMsgLoaded) {
12651 if (currentMove == cmailOldMove &&
12652 commentList[cmailOldMove] != NULL &&
12653 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12654 "Black offers a draw" : "White offers a draw")) {
12655 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12656 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12657 } else if (currentMove == cmailOldMove + 1) {
12658 char *offer = WhiteOnMove(cmailOldMove) ?
12659 "White offers a draw" : "Black offers a draw";
12660 AppendComment(currentMove, offer, TRUE);
12661 DisplayComment(currentMove - 1, offer);
12662 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12664 DisplayError(_("You must make your move before offering a draw"), 0);
12665 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12667 } else if (first.offeredDraw) {
12668 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12670 if (first.sendDrawOffers) {
12671 SendToProgram("draw\n", &first);
12672 userOfferedDraw = TRUE;
12680 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12682 if (appData.icsActive) {
12683 SendToICS(ics_prefix);
12684 SendToICS("adjourn\n");
12686 /* Currently GNU Chess doesn't offer or accept Adjourns */
12694 /* Offer Abort or accept pending Abort offer from opponent */
12696 if (appData.icsActive) {
12697 SendToICS(ics_prefix);
12698 SendToICS("abort\n");
12700 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12707 /* Resign. You can do this even if it's not your turn. */
12709 if (appData.icsActive) {
12710 SendToICS(ics_prefix);
12711 SendToICS("resign\n");
12713 switch (gameMode) {
12714 case MachinePlaysWhite:
12715 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12717 case MachinePlaysBlack:
12718 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12721 if (cmailMsgLoaded) {
12723 if (WhiteOnMove(cmailOldMove)) {
12724 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12726 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12728 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12739 StopObservingEvent()
12741 /* Stop observing current games */
12742 SendToICS(ics_prefix);
12743 SendToICS("unobserve\n");
12747 StopExaminingEvent()
12749 /* Stop observing current game */
12750 SendToICS(ics_prefix);
12751 SendToICS("unexamine\n");
12755 ForwardInner(target)
12760 if (appData.debugMode)
12761 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12762 target, currentMove, forwardMostMove);
12764 if (gameMode == EditPosition)
12767 if (gameMode == PlayFromGameFile && !pausing)
12770 if (gameMode == IcsExamining && pausing)
12771 limit = pauseExamForwardMostMove;
12773 limit = forwardMostMove;
12775 if (target > limit) target = limit;
12777 if (target > 0 && moveList[target - 1][0]) {
12778 int fromX, fromY, toX, toY;
12779 toX = moveList[target - 1][2] - AAA;
12780 toY = moveList[target - 1][3] - ONE;
12781 if (moveList[target - 1][1] == '@') {
12782 if (appData.highlightLastMove) {
12783 SetHighlights(-1, -1, toX, toY);
12786 fromX = moveList[target - 1][0] - AAA;
12787 fromY = moveList[target - 1][1] - ONE;
12788 if (target == currentMove + 1) {
12789 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12791 if (appData.highlightLastMove) {
12792 SetHighlights(fromX, fromY, toX, toY);
12796 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12797 gameMode == Training || gameMode == PlayFromGameFile ||
12798 gameMode == AnalyzeFile) {
12799 while (currentMove < target) {
12800 SendMoveToProgram(currentMove++, &first);
12803 currentMove = target;
12806 if (gameMode == EditGame || gameMode == EndOfGame) {
12807 whiteTimeRemaining = timeRemaining[0][currentMove];
12808 blackTimeRemaining = timeRemaining[1][currentMove];
12810 DisplayBothClocks();
12811 DisplayMove(currentMove - 1);
12812 DrawPosition(FALSE, boards[currentMove]);
12813 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12814 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12815 DisplayComment(currentMove - 1, commentList[currentMove]);
12823 if (gameMode == IcsExamining && !pausing) {
12824 SendToICS(ics_prefix);
12825 SendToICS("forward\n");
12827 ForwardInner(currentMove + 1);
12834 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12835 /* to optimze, we temporarily turn off analysis mode while we feed
12836 * the remaining moves to the engine. Otherwise we get analysis output
12839 if (first.analysisSupport) {
12840 SendToProgram("exit\nforce\n", &first);
12841 first.analyzing = FALSE;
12845 if (gameMode == IcsExamining && !pausing) {
12846 SendToICS(ics_prefix);
12847 SendToICS("forward 999999\n");
12849 ForwardInner(forwardMostMove);
12852 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12853 /* we have fed all the moves, so reactivate analysis mode */
12854 SendToProgram("analyze\n", &first);
12855 first.analyzing = TRUE;
12856 /*first.maybeThinking = TRUE;*/
12857 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12862 BackwardInner(target)
12865 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12867 if (appData.debugMode)
12868 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12869 target, currentMove, forwardMostMove);
12871 if (gameMode == EditPosition) return;
12872 if (currentMove <= backwardMostMove) {
12874 DrawPosition(full_redraw, boards[currentMove]);
12877 if (gameMode == PlayFromGameFile && !pausing)
12880 if (moveList[target][0]) {
12881 int fromX, fromY, toX, toY;
12882 toX = moveList[target][2] - AAA;
12883 toY = moveList[target][3] - ONE;
12884 if (moveList[target][1] == '@') {
12885 if (appData.highlightLastMove) {
12886 SetHighlights(-1, -1, toX, toY);
12889 fromX = moveList[target][0] - AAA;
12890 fromY = moveList[target][1] - ONE;
12891 if (target == currentMove - 1) {
12892 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12894 if (appData.highlightLastMove) {
12895 SetHighlights(fromX, fromY, toX, toY);
12899 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12900 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12901 while (currentMove > target) {
12902 SendToProgram("undo\n", &first);
12906 currentMove = target;
12909 if (gameMode == EditGame || gameMode == EndOfGame) {
12910 whiteTimeRemaining = timeRemaining[0][currentMove];
12911 blackTimeRemaining = timeRemaining[1][currentMove];
12913 DisplayBothClocks();
12914 DisplayMove(currentMove - 1);
12915 DrawPosition(full_redraw, boards[currentMove]);
12916 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12917 // [HGM] PV info: routine tests if comment empty
12918 DisplayComment(currentMove - 1, commentList[currentMove]);
12924 if (gameMode == IcsExamining && !pausing) {
12925 SendToICS(ics_prefix);
12926 SendToICS("backward\n");
12928 BackwardInner(currentMove - 1);
12935 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12936 /* to optimize, we temporarily turn off analysis mode while we undo
12937 * all the moves. Otherwise we get analysis output after each undo.
12939 if (first.analysisSupport) {
12940 SendToProgram("exit\nforce\n", &first);
12941 first.analyzing = FALSE;
12945 if (gameMode == IcsExamining && !pausing) {
12946 SendToICS(ics_prefix);
12947 SendToICS("backward 999999\n");
12949 BackwardInner(backwardMostMove);
12952 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12953 /* we have fed all the moves, so reactivate analysis mode */
12954 SendToProgram("analyze\n", &first);
12955 first.analyzing = TRUE;
12956 /*first.maybeThinking = TRUE;*/
12957 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12964 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12965 if (to >= forwardMostMove) to = forwardMostMove;
12966 if (to <= backwardMostMove) to = backwardMostMove;
12967 if (to < currentMove) {
12975 RevertEvent(Boolean annotate)
12977 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12980 if (gameMode != IcsExamining) {
12981 DisplayError(_("You are not examining a game"), 0);
12985 DisplayError(_("You can't revert while pausing"), 0);
12988 SendToICS(ics_prefix);
12989 SendToICS("revert\n");
12995 switch (gameMode) {
12996 case MachinePlaysWhite:
12997 case MachinePlaysBlack:
12998 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12999 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13002 if (forwardMostMove < 2) return;
13003 currentMove = forwardMostMove = forwardMostMove - 2;
13004 whiteTimeRemaining = timeRemaining[0][currentMove];
13005 blackTimeRemaining = timeRemaining[1][currentMove];
13006 DisplayBothClocks();
13007 DisplayMove(currentMove - 1);
13008 ClearHighlights();/*!! could figure this out*/
13009 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
13010 SendToProgram("remove\n", &first);
13011 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
13014 case BeginningOfGame:
13018 case IcsPlayingWhite:
13019 case IcsPlayingBlack:
13020 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
13021 SendToICS(ics_prefix);
13022 SendToICS("takeback 2\n");
13024 SendToICS(ics_prefix);
13025 SendToICS("takeback 1\n");
13034 ChessProgramState *cps;
13036 switch (gameMode) {
13037 case MachinePlaysWhite:
13038 if (!WhiteOnMove(forwardMostMove)) {
13039 DisplayError(_("It is your turn"), 0);
13044 case MachinePlaysBlack:
13045 if (WhiteOnMove(forwardMostMove)) {
13046 DisplayError(_("It is your turn"), 0);
13051 case TwoMachinesPlay:
13052 if (WhiteOnMove(forwardMostMove) ==
13053 (first.twoMachinesColor[0] == 'w')) {
13059 case BeginningOfGame:
13063 SendToProgram("?\n", cps);
13067 TruncateGameEvent()
13070 if (gameMode != EditGame) return;
13077 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
13078 if (forwardMostMove > currentMove) {
13079 if (gameInfo.resultDetails != NULL) {
13080 free(gameInfo.resultDetails);
13081 gameInfo.resultDetails = NULL;
13082 gameInfo.result = GameUnfinished;
13084 forwardMostMove = currentMove;
13085 HistorySet(parseList, backwardMostMove, forwardMostMove,
13093 if (appData.noChessProgram) return;
13094 switch (gameMode) {
13095 case MachinePlaysWhite:
13096 if (WhiteOnMove(forwardMostMove)) {
13097 DisplayError(_("Wait until your turn"), 0);
13101 case BeginningOfGame:
13102 case MachinePlaysBlack:
13103 if (!WhiteOnMove(forwardMostMove)) {
13104 DisplayError(_("Wait until your turn"), 0);
13109 DisplayError(_("No hint available"), 0);
13112 SendToProgram("hint\n", &first);
13113 hintRequested = TRUE;
13119 if (appData.noChessProgram) return;
13120 switch (gameMode) {
13121 case MachinePlaysWhite:
13122 if (WhiteOnMove(forwardMostMove)) {
13123 DisplayError(_("Wait until your turn"), 0);
13127 case BeginningOfGame:
13128 case MachinePlaysBlack:
13129 if (!WhiteOnMove(forwardMostMove)) {
13130 DisplayError(_("Wait until your turn"), 0);
13135 EditPositionDone(TRUE);
13137 case TwoMachinesPlay:
13142 SendToProgram("bk\n", &first);
13143 bookOutput[0] = NULLCHAR;
13144 bookRequested = TRUE;
13150 char *tags = PGNTags(&gameInfo);
13151 TagsPopUp(tags, CmailMsg());
13155 /* end button procedures */
13158 PrintPosition(fp, move)
13164 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13165 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13166 char c = PieceToChar(boards[move][i][j]);
13167 fputc(c == 'x' ? '.' : c, fp);
13168 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13171 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13172 fprintf(fp, "white to play\n");
13174 fprintf(fp, "black to play\n");
13181 if (gameInfo.white != NULL) {
13182 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13188 /* Find last component of program's own name, using some heuristics */
13190 TidyProgramName(prog, host, buf)
13191 char *prog, *host, buf[MSG_SIZ];
13194 int local = (strcmp(host, "localhost") == 0);
13195 while (!local && (p = strchr(prog, ';')) != NULL) {
13197 while (*p == ' ') p++;
13200 if (*prog == '"' || *prog == '\'') {
13201 q = strchr(prog + 1, *prog);
13203 q = strchr(prog, ' ');
13205 if (q == NULL) q = prog + strlen(prog);
13207 while (p >= prog && *p != '/' && *p != '\\') p--;
13209 if(p == prog && *p == '"') p++;
13210 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13211 memcpy(buf, p, q - p);
13212 buf[q - p] = NULLCHAR;
13220 TimeControlTagValue()
13223 if (!appData.clockMode) {
13224 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
13225 } else if (movesPerSession > 0) {
13226 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
13227 } else if (timeIncrement == 0) {
13228 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
13230 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13232 return StrSave(buf);
13238 /* This routine is used only for certain modes */
13239 VariantClass v = gameInfo.variant;
13240 ChessMove r = GameUnfinished;
13243 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13244 r = gameInfo.result;
13245 p = gameInfo.resultDetails;
13246 gameInfo.resultDetails = NULL;
13248 ClearGameInfo(&gameInfo);
13249 gameInfo.variant = v;
13251 switch (gameMode) {
13252 case MachinePlaysWhite:
13253 gameInfo.event = StrSave( appData.pgnEventHeader );
13254 gameInfo.site = StrSave(HostName());
13255 gameInfo.date = PGNDate();
13256 gameInfo.round = StrSave("-");
13257 gameInfo.white = StrSave(first.tidy);
13258 gameInfo.black = StrSave(UserName());
13259 gameInfo.timeControl = TimeControlTagValue();
13262 case MachinePlaysBlack:
13263 gameInfo.event = StrSave( appData.pgnEventHeader );
13264 gameInfo.site = StrSave(HostName());
13265 gameInfo.date = PGNDate();
13266 gameInfo.round = StrSave("-");
13267 gameInfo.white = StrSave(UserName());
13268 gameInfo.black = StrSave(first.tidy);
13269 gameInfo.timeControl = TimeControlTagValue();
13272 case TwoMachinesPlay:
13273 gameInfo.event = StrSave( appData.pgnEventHeader );
13274 gameInfo.site = StrSave(HostName());
13275 gameInfo.date = PGNDate();
13276 if (matchGame > 0) {
13278 snprintf(buf, MSG_SIZ, "%d", matchGame);
13279 gameInfo.round = StrSave(buf);
13281 gameInfo.round = StrSave("-");
13283 if (first.twoMachinesColor[0] == 'w') {
13284 gameInfo.white = StrSave(first.tidy);
13285 gameInfo.black = StrSave(second.tidy);
13287 gameInfo.white = StrSave(second.tidy);
13288 gameInfo.black = StrSave(first.tidy);
13290 gameInfo.timeControl = TimeControlTagValue();
13294 gameInfo.event = StrSave("Edited game");
13295 gameInfo.site = StrSave(HostName());
13296 gameInfo.date = PGNDate();
13297 gameInfo.round = StrSave("-");
13298 gameInfo.white = StrSave("-");
13299 gameInfo.black = StrSave("-");
13300 gameInfo.result = r;
13301 gameInfo.resultDetails = p;
13305 gameInfo.event = StrSave("Edited position");
13306 gameInfo.site = StrSave(HostName());
13307 gameInfo.date = PGNDate();
13308 gameInfo.round = StrSave("-");
13309 gameInfo.white = StrSave("-");
13310 gameInfo.black = StrSave("-");
13313 case IcsPlayingWhite:
13314 case IcsPlayingBlack:
13319 case PlayFromGameFile:
13320 gameInfo.event = StrSave("Game from non-PGN file");
13321 gameInfo.site = StrSave(HostName());
13322 gameInfo.date = PGNDate();
13323 gameInfo.round = StrSave("-");
13324 gameInfo.white = StrSave("?");
13325 gameInfo.black = StrSave("?");
13334 ReplaceComment(index, text)
13342 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
13343 pvInfoList[index-1].depth == len &&
13344 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
13345 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
13346 while (*text == '\n') text++;
13347 len = strlen(text);
13348 while (len > 0 && text[len - 1] == '\n') len--;
13350 if (commentList[index] != NULL)
13351 free(commentList[index]);
13354 commentList[index] = NULL;
13357 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13358 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13359 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13360 commentList[index] = (char *) malloc(len + 2);
13361 strncpy(commentList[index], text, len);
13362 commentList[index][len] = '\n';
13363 commentList[index][len + 1] = NULLCHAR;
13365 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13367 commentList[index] = (char *) malloc(len + 7);
13368 safeStrCpy(commentList[index], "{\n", 3);
13369 safeStrCpy(commentList[index]+2, text, len+1);
13370 commentList[index][len+2] = NULLCHAR;
13371 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13372 strcat(commentList[index], "\n}\n");
13386 if (ch == '\r') continue;
13388 } while (ch != '\0');
13392 AppendComment(index, text, addBraces)
13395 Boolean addBraces; // [HGM] braces: tells if we should add {}
13400 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13401 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13404 while (*text == '\n') text++;
13405 len = strlen(text);
13406 while (len > 0 && text[len - 1] == '\n') len--;
13408 if (len == 0) return;
13410 if (commentList[index] != NULL) {
13411 old = commentList[index];
13412 oldlen = strlen(old);
13413 while(commentList[index][oldlen-1] == '\n')
13414 commentList[index][--oldlen] = NULLCHAR;
13415 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13416 safeStrCpy(commentList[index], old, oldlen + len + 6);
13418 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13419 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
13420 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
13421 while (*text == '\n') { text++; len--; }
13422 commentList[index][--oldlen] = NULLCHAR;
13424 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
13425 else strcat(commentList[index], "\n");
13426 strcat(commentList[index], text);
13427 if(addBraces) strcat(commentList[index], addBraces == 2 ? ")\n" : "\n}\n");
13428 else strcat(commentList[index], "\n");
13430 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13432 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
13433 else commentList[index][0] = NULLCHAR;
13434 strcat(commentList[index], text);
13435 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
13436 if(addBraces == TRUE) strcat(commentList[index], "}\n");
13440 static char * FindStr( char * text, char * sub_text )
13442 char * result = strstr( text, sub_text );
13444 if( result != NULL ) {
13445 result += strlen( sub_text );
13451 /* [AS] Try to extract PV info from PGN comment */
13452 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13453 char *GetInfoFromComment( int index, char * text )
13455 char * sep = text, *p;
13457 if( text != NULL && index > 0 ) {
13460 int time = -1, sec = 0, deci;
13461 char * s_eval = FindStr( text, "[%eval " );
13462 char * s_emt = FindStr( text, "[%emt " );
13464 if( s_eval != NULL || s_emt != NULL ) {
13468 if( s_eval != NULL ) {
13469 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13473 if( delim != ']' ) {
13478 if( s_emt != NULL ) {
13483 /* We expect something like: [+|-]nnn.nn/dd */
13486 if(*text != '{') return text; // [HGM] braces: must be normal comment
13488 sep = strchr( text, '/' );
13489 if( sep == NULL || sep < (text+4) ) {
13494 if(p[1] == '(') { // comment starts with PV
13495 p = strchr(p, ')'); // locate end of PV
13496 if(p == NULL || sep < p+5) return text;
13497 // at this point we have something like "{(.*) +0.23/6 ..."
13498 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
13499 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
13500 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
13502 time = -1; sec = -1; deci = -1;
13503 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13504 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13505 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13506 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13510 if( score_lo < 0 || score_lo >= 100 ) {
13514 if(sec >= 0) time = 600*time + 10*sec; else
13515 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13517 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13519 /* [HGM] PV time: now locate end of PV info */
13520 while( *++sep >= '0' && *sep <= '9'); // strip depth
13522 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
13524 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13526 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13527 while(*sep == ' ') sep++;
13538 pvInfoList[index-1].depth = depth;
13539 pvInfoList[index-1].score = score;
13540 pvInfoList[index-1].time = 10*time; // centi-sec
13541 if(*sep == '}') *sep = 0; else *--sep = '{';
13542 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
13548 SendToProgram(message, cps)
13550 ChessProgramState *cps;
13552 int count, outCount, error;
13555 if (cps->pr == NULL) return;
13558 if (appData.debugMode) {
13561 fprintf(debugFP, "%ld >%-6s: %s",
13562 SubtractTimeMarks(&now, &programStartTime),
13563 cps->which, message);
13566 count = strlen(message);
13567 outCount = OutputToProcess(cps->pr, message, count, &error);
13568 if (outCount < count && !exiting
13569 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13570 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
13571 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13572 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13573 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13574 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
13576 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13578 gameInfo.resultDetails = StrSave(buf);
13580 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13585 ReceiveFromProgram(isr, closure, message, count, error)
13586 InputSourceRef isr;
13594 ChessProgramState *cps = (ChessProgramState *)closure;
13596 if (isr != cps->isr) return; /* Killed intentionally */
13599 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
13600 _(cps->which), cps->program);
13601 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13602 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13603 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13604 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
13606 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13608 gameInfo.resultDetails = StrSave(buf);
13610 RemoveInputSource(cps->isr);
13611 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13613 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
13614 _(cps->which), cps->program);
13615 RemoveInputSource(cps->isr);
13617 /* [AS] Program is misbehaving badly... kill it */
13618 if( count == -2 ) {
13619 DestroyChildProcess( cps->pr, 9 );
13623 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13628 if ((end_str = strchr(message, '\r')) != NULL)
13629 *end_str = NULLCHAR;
13630 if ((end_str = strchr(message, '\n')) != NULL)
13631 *end_str = NULLCHAR;
13633 if (appData.debugMode) {
13634 TimeMark now; int print = 1;
13635 char *quote = ""; char c; int i;
13637 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13638 char start = message[0];
13639 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13640 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13641 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13642 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13643 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13644 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13645 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13646 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
13647 sscanf(message, "hint: %c", &c)!=1 &&
13648 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13649 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13650 print = (appData.engineComments >= 2);
13652 message[0] = start; // restore original message
13656 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13657 SubtractTimeMarks(&now, &programStartTime), cps->which,
13663 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13664 if (appData.icsEngineAnalyze) {
13665 if (strstr(message, "whisper") != NULL ||
13666 strstr(message, "kibitz") != NULL ||
13667 strstr(message, "tellics") != NULL) return;
13670 HandleMachineMove(message, cps);
13675 SendTimeControl(cps, mps, tc, inc, sd, st)
13676 ChessProgramState *cps;
13677 int mps, inc, sd, st;
13683 if( timeControl_2 > 0 ) {
13684 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13685 tc = timeControl_2;
13688 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13689 inc /= cps->timeOdds;
13690 st /= cps->timeOdds;
13692 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13695 /* Set exact time per move, normally using st command */
13696 if (cps->stKludge) {
13697 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13699 if (seconds == 0) {
13700 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
13702 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
13705 snprintf(buf, MSG_SIZ, "st %d\n", st);
13708 /* Set conventional or incremental time control, using level command */
13709 if (seconds == 0) {
13710 /* Note old gnuchess bug -- minutes:seconds used to not work.
13711 Fixed in later versions, but still avoid :seconds
13712 when seconds is 0. */
13713 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
13715 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
13716 seconds, inc/1000.);
13719 SendToProgram(buf, cps);
13721 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13722 /* Orthogonally, limit search to given depth */
13724 if (cps->sdKludge) {
13725 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
13727 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
13729 SendToProgram(buf, cps);
13732 if(cps->nps >= 0) { /* [HGM] nps */
13733 if(cps->supportsNPS == FALSE)
13734 cps->nps = -1; // don't use if engine explicitly says not supported!
13736 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
13737 SendToProgram(buf, cps);
13742 ChessProgramState *WhitePlayer()
13743 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13745 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13746 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13752 SendTimeRemaining(cps, machineWhite)
13753 ChessProgramState *cps;
13754 int /*boolean*/ machineWhite;
13756 char message[MSG_SIZ];
13759 /* Note: this routine must be called when the clocks are stopped
13760 or when they have *just* been set or switched; otherwise
13761 it will be off by the time since the current tick started.
13763 if (machineWhite) {
13764 time = whiteTimeRemaining / 10;
13765 otime = blackTimeRemaining / 10;
13767 time = blackTimeRemaining / 10;
13768 otime = whiteTimeRemaining / 10;
13770 /* [HGM] translate opponent's time by time-odds factor */
13771 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13772 if (appData.debugMode) {
13773 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13776 if (time <= 0) time = 1;
13777 if (otime <= 0) otime = 1;
13779 snprintf(message, MSG_SIZ, "time %ld\n", time);
13780 SendToProgram(message, cps);
13782 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
13783 SendToProgram(message, cps);
13787 BoolFeature(p, name, loc, cps)
13791 ChessProgramState *cps;
13794 int len = strlen(name);
13797 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13799 sscanf(*p, "%d", &val);
13801 while (**p && **p != ' ')
13803 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13804 SendToProgram(buf, cps);
13811 IntFeature(p, name, loc, cps)
13815 ChessProgramState *cps;
13818 int len = strlen(name);
13819 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13821 sscanf(*p, "%d", loc);
13822 while (**p && **p != ' ') (*p)++;
13823 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13824 SendToProgram(buf, cps);
13831 StringFeature(p, name, loc, cps)
13835 ChessProgramState *cps;
13838 int len = strlen(name);
13839 if (strncmp((*p), name, len) == 0
13840 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13842 sscanf(*p, "%[^\"]", loc);
13843 while (**p && **p != '\"') (*p)++;
13844 if (**p == '\"') (*p)++;
13845 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13846 SendToProgram(buf, cps);
13853 ParseOption(Option *opt, ChessProgramState *cps)
13854 // [HGM] options: process the string that defines an engine option, and determine
13855 // name, type, default value, and allowed value range
13857 char *p, *q, buf[MSG_SIZ];
13858 int n, min = (-1)<<31, max = 1<<31, def;
13860 if(p = strstr(opt->name, " -spin ")) {
13861 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13862 if(max < min) max = min; // enforce consistency
13863 if(def < min) def = min;
13864 if(def > max) def = max;
13869 } else if((p = strstr(opt->name, " -slider "))) {
13870 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13871 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13872 if(max < min) max = min; // enforce consistency
13873 if(def < min) def = min;
13874 if(def > max) def = max;
13878 opt->type = Spin; // Slider;
13879 } else if((p = strstr(opt->name, " -string "))) {
13880 opt->textValue = p+9;
13881 opt->type = TextBox;
13882 } else if((p = strstr(opt->name, " -file "))) {
13883 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13884 opt->textValue = p+7;
13885 opt->type = TextBox; // FileName;
13886 } else if((p = strstr(opt->name, " -path "))) {
13887 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13888 opt->textValue = p+7;
13889 opt->type = TextBox; // PathName;
13890 } else if(p = strstr(opt->name, " -check ")) {
13891 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13892 opt->value = (def != 0);
13893 opt->type = CheckBox;
13894 } else if(p = strstr(opt->name, " -combo ")) {
13895 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13896 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13897 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13898 opt->value = n = 0;
13899 while(q = StrStr(q, " /// ")) {
13900 n++; *q = 0; // count choices, and null-terminate each of them
13902 if(*q == '*') { // remember default, which is marked with * prefix
13906 cps->comboList[cps->comboCnt++] = q;
13908 cps->comboList[cps->comboCnt++] = NULL;
13910 opt->type = ComboBox;
13911 } else if(p = strstr(opt->name, " -button")) {
13912 opt->type = Button;
13913 } else if(p = strstr(opt->name, " -save")) {
13914 opt->type = SaveButton;
13915 } else return FALSE;
13916 *p = 0; // terminate option name
13917 // now look if the command-line options define a setting for this engine option.
13918 if(cps->optionSettings && cps->optionSettings[0])
13919 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13920 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13921 snprintf(buf, MSG_SIZ, "option %s", p);
13922 if(p = strstr(buf, ",")) *p = 0;
13923 if(q = strchr(buf, '=')) switch(opt->type) {
13925 for(n=0; n<opt->max; n++)
13926 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
13929 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
13933 opt->value = atoi(q+1);
13938 SendToProgram(buf, cps);
13944 FeatureDone(cps, val)
13945 ChessProgramState* cps;
13948 DelayedEventCallback cb = GetDelayedEvent();
13949 if ((cb == InitBackEnd3 && cps == &first) ||
13950 (cb == SettingsMenuIfReady && cps == &second) ||
13951 (cb == TwoMachinesEventIfReady && cps == &second)) {
13952 CancelDelayedEvent();
13953 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13955 cps->initDone = val;
13958 /* Parse feature command from engine */
13960 ParseFeatures(args, cps)
13962 ChessProgramState *cps;
13970 while (*p == ' ') p++;
13971 if (*p == NULLCHAR) return;
13973 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13974 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13975 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13976 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13977 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13978 if (BoolFeature(&p, "reuse", &val, cps)) {
13979 /* Engine can disable reuse, but can't enable it if user said no */
13980 if (!val) cps->reuse = FALSE;
13983 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13984 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13985 if (gameMode == TwoMachinesPlay) {
13986 DisplayTwoMachinesTitle();
13992 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13993 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13994 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13995 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13996 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13997 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13998 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13999 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
14000 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
14001 if (IntFeature(&p, "done", &val, cps)) {
14002 FeatureDone(cps, val);
14005 /* Added by Tord: */
14006 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
14007 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
14008 /* End of additions by Tord */
14010 /* [HGM] added features: */
14011 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
14012 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
14013 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
14014 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
14015 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
14016 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
14017 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
14018 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
14019 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
14020 SendToProgram(buf, cps);
14023 if(cps->nrOptions >= MAX_OPTIONS) {
14025 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
14026 DisplayError(buf, 0);
14030 /* End of additions by HGM */
14032 /* unknown feature: complain and skip */
14034 while (*q && *q != '=') q++;
14035 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
14036 SendToProgram(buf, cps);
14042 while (*p && *p != '\"') p++;
14043 if (*p == '\"') p++;
14045 while (*p && *p != ' ') p++;
14053 PeriodicUpdatesEvent(newState)
14056 if (newState == appData.periodicUpdates)
14059 appData.periodicUpdates=newState;
14061 /* Display type changes, so update it now */
14062 // DisplayAnalysis();
14064 /* Get the ball rolling again... */
14066 AnalysisPeriodicEvent(1);
14067 StartAnalysisClock();
14072 PonderNextMoveEvent(newState)
14075 if (newState == appData.ponderNextMove) return;
14076 if (gameMode == EditPosition) EditPositionDone(TRUE);
14078 SendToProgram("hard\n", &first);
14079 if (gameMode == TwoMachinesPlay) {
14080 SendToProgram("hard\n", &second);
14083 SendToProgram("easy\n", &first);
14084 thinkOutput[0] = NULLCHAR;
14085 if (gameMode == TwoMachinesPlay) {
14086 SendToProgram("easy\n", &second);
14089 appData.ponderNextMove = newState;
14093 NewSettingEvent(option, feature, command, value)
14095 int option, value, *feature;
14099 if (gameMode == EditPosition) EditPositionDone(TRUE);
14100 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
14101 if(feature == NULL || *feature) SendToProgram(buf, &first);
14102 if (gameMode == TwoMachinesPlay) {
14103 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
14108 ShowThinkingEvent()
14109 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
14111 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
14112 int newState = appData.showThinking
14113 // [HGM] thinking: other features now need thinking output as well
14114 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
14116 if (oldState == newState) return;
14117 oldState = newState;
14118 if (gameMode == EditPosition) EditPositionDone(TRUE);
14120 SendToProgram("post\n", &first);
14121 if (gameMode == TwoMachinesPlay) {
14122 SendToProgram("post\n", &second);
14125 SendToProgram("nopost\n", &first);
14126 thinkOutput[0] = NULLCHAR;
14127 if (gameMode == TwoMachinesPlay) {
14128 SendToProgram("nopost\n", &second);
14131 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
14135 AskQuestionEvent(title, question, replyPrefix, which)
14136 char *title; char *question; char *replyPrefix; char *which;
14138 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
14139 if (pr == NoProc) return;
14140 AskQuestion(title, question, replyPrefix, pr);
14144 DisplayMove(moveNumber)
14147 char message[MSG_SIZ];
14149 char cpThinkOutput[MSG_SIZ];
14151 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
14153 if (moveNumber == forwardMostMove - 1 ||
14154 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14156 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
14158 if (strchr(cpThinkOutput, '\n')) {
14159 *strchr(cpThinkOutput, '\n') = NULLCHAR;
14162 *cpThinkOutput = NULLCHAR;
14165 /* [AS] Hide thinking from human user */
14166 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
14167 *cpThinkOutput = NULLCHAR;
14168 if( thinkOutput[0] != NULLCHAR ) {
14171 for( i=0; i<=hiddenThinkOutputState; i++ ) {
14172 cpThinkOutput[i] = '.';
14174 cpThinkOutput[i] = NULLCHAR;
14175 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
14179 if (moveNumber == forwardMostMove - 1 &&
14180 gameInfo.resultDetails != NULL) {
14181 if (gameInfo.resultDetails[0] == NULLCHAR) {
14182 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
14184 snprintf(res, MSG_SIZ, " {%s} %s",
14185 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
14191 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14192 DisplayMessage(res, cpThinkOutput);
14194 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
14195 WhiteOnMove(moveNumber) ? " " : ".. ",
14196 parseList[moveNumber], res);
14197 DisplayMessage(message, cpThinkOutput);
14202 DisplayComment(moveNumber, text)
14206 char title[MSG_SIZ];
14207 char buf[8000]; // comment can be long!
14210 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14211 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
14213 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
14214 WhiteOnMove(moveNumber) ? " " : ".. ",
14215 parseList[moveNumber]);
14217 // [HGM] PV info: display PV info together with (or as) comment
14218 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14219 if(text == NULL) text = "";
14220 score = pvInfoList[moveNumber].score;
14221 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14222 depth, (pvInfoList[moveNumber].time+50)/100, text);
14225 if (text != NULL && (appData.autoDisplayComment || commentUp))
14226 CommentPopUp(title, text);
14229 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14230 * might be busy thinking or pondering. It can be omitted if your
14231 * gnuchess is configured to stop thinking immediately on any user
14232 * input. However, that gnuchess feature depends on the FIONREAD
14233 * ioctl, which does not work properly on some flavors of Unix.
14237 ChessProgramState *cps;
14240 if (!cps->useSigint) return;
14241 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14242 switch (gameMode) {
14243 case MachinePlaysWhite:
14244 case MachinePlaysBlack:
14245 case TwoMachinesPlay:
14246 case IcsPlayingWhite:
14247 case IcsPlayingBlack:
14250 /* Skip if we know it isn't thinking */
14251 if (!cps->maybeThinking) return;
14252 if (appData.debugMode)
14253 fprintf(debugFP, "Interrupting %s\n", cps->which);
14254 InterruptChildProcess(cps->pr);
14255 cps->maybeThinking = FALSE;
14260 #endif /*ATTENTION*/
14266 if (whiteTimeRemaining <= 0) {
14269 if (appData.icsActive) {
14270 if (appData.autoCallFlag &&
14271 gameMode == IcsPlayingBlack && !blackFlag) {
14272 SendToICS(ics_prefix);
14273 SendToICS("flag\n");
14277 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14279 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14280 if (appData.autoCallFlag) {
14281 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14288 if (blackTimeRemaining <= 0) {
14291 if (appData.icsActive) {
14292 if (appData.autoCallFlag &&
14293 gameMode == IcsPlayingWhite && !whiteFlag) {
14294 SendToICS(ics_prefix);
14295 SendToICS("flag\n");
14299 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14301 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14302 if (appData.autoCallFlag) {
14303 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14316 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14317 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14320 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14322 if ( !WhiteOnMove(forwardMostMove) ) {
14323 /* White made time control */
14324 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
14325 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
14326 /* [HGM] time odds: correct new time quota for time odds! */
14327 / WhitePlayer()->timeOdds;
14328 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
14330 lastBlack -= blackTimeRemaining;
14331 /* Black made time control */
14332 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
14333 / WhitePlayer()->other->timeOdds;
14334 lastWhite = whiteTimeRemaining;
14339 DisplayBothClocks()
14341 int wom = gameMode == EditPosition ?
14342 !blackPlaysFirst : WhiteOnMove(currentMove);
14343 DisplayWhiteClock(whiteTimeRemaining, wom);
14344 DisplayBlackClock(blackTimeRemaining, !wom);
14348 /* Timekeeping seems to be a portability nightmare. I think everyone
14349 has ftime(), but I'm really not sure, so I'm including some ifdefs
14350 to use other calls if you don't. Clocks will be less accurate if
14351 you have neither ftime nor gettimeofday.
14354 /* VS 2008 requires the #include outside of the function */
14355 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14356 #include <sys/timeb.h>
14359 /* Get the current time as a TimeMark */
14364 #if HAVE_GETTIMEOFDAY
14366 struct timeval timeVal;
14367 struct timezone timeZone;
14369 gettimeofday(&timeVal, &timeZone);
14370 tm->sec = (long) timeVal.tv_sec;
14371 tm->ms = (int) (timeVal.tv_usec / 1000L);
14373 #else /*!HAVE_GETTIMEOFDAY*/
14376 // include <sys/timeb.h> / moved to just above start of function
14377 struct timeb timeB;
14380 tm->sec = (long) timeB.time;
14381 tm->ms = (int) timeB.millitm;
14383 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14384 tm->sec = (long) time(NULL);
14390 /* Return the difference in milliseconds between two
14391 time marks. We assume the difference will fit in a long!
14394 SubtractTimeMarks(tm2, tm1)
14395 TimeMark *tm2, *tm1;
14397 return 1000L*(tm2->sec - tm1->sec) +
14398 (long) (tm2->ms - tm1->ms);
14403 * Code to manage the game clocks.
14405 * In tournament play, black starts the clock and then white makes a move.
14406 * We give the human user a slight advantage if he is playing white---the
14407 * clocks don't run until he makes his first move, so it takes zero time.
14408 * Also, we don't account for network lag, so we could get out of sync
14409 * with GNU Chess's clock -- but then, referees are always right.
14412 static TimeMark tickStartTM;
14413 static long intendedTickLength;
14416 NextTickLength(timeRemaining)
14417 long timeRemaining;
14419 long nominalTickLength, nextTickLength;
14421 if (timeRemaining > 0L && timeRemaining <= 10000L)
14422 nominalTickLength = 100L;
14424 nominalTickLength = 1000L;
14425 nextTickLength = timeRemaining % nominalTickLength;
14426 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14428 return nextTickLength;
14431 /* Adjust clock one minute up or down */
14433 AdjustClock(Boolean which, int dir)
14435 if(which) blackTimeRemaining += 60000*dir;
14436 else whiteTimeRemaining += 60000*dir;
14437 DisplayBothClocks();
14440 /* Stop clocks and reset to a fresh time control */
14444 (void) StopClockTimer();
14445 if (appData.icsActive) {
14446 whiteTimeRemaining = blackTimeRemaining = 0;
14447 } else if (searchTime) {
14448 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14449 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14450 } else { /* [HGM] correct new time quote for time odds */
14451 whiteTC = blackTC = fullTimeControlString;
14452 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
14453 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
14455 if (whiteFlag || blackFlag) {
14457 whiteFlag = blackFlag = FALSE;
14459 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
14460 DisplayBothClocks();
14463 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14465 /* Decrement running clock by amount of time that has passed */
14469 long timeRemaining;
14470 long lastTickLength, fudge;
14473 if (!appData.clockMode) return;
14474 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14478 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14480 /* Fudge if we woke up a little too soon */
14481 fudge = intendedTickLength - lastTickLength;
14482 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14484 if (WhiteOnMove(forwardMostMove)) {
14485 if(whiteNPS >= 0) lastTickLength = 0;
14486 timeRemaining = whiteTimeRemaining -= lastTickLength;
14487 if(timeRemaining < 0 && !appData.icsActive) {
14488 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
14489 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
14490 whiteStartMove = forwardMostMove; whiteTC = nextSession;
14491 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
14494 DisplayWhiteClock(whiteTimeRemaining - fudge,
14495 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14497 if(blackNPS >= 0) lastTickLength = 0;
14498 timeRemaining = blackTimeRemaining -= lastTickLength;
14499 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
14500 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
14502 blackStartMove = forwardMostMove;
14503 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
14506 DisplayBlackClock(blackTimeRemaining - fudge,
14507 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14509 if (CheckFlags()) return;
14512 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14513 StartClockTimer(intendedTickLength);
14515 /* if the time remaining has fallen below the alarm threshold, sound the
14516 * alarm. if the alarm has sounded and (due to a takeback or time control
14517 * with increment) the time remaining has increased to a level above the
14518 * threshold, reset the alarm so it can sound again.
14521 if (appData.icsActive && appData.icsAlarm) {
14523 /* make sure we are dealing with the user's clock */
14524 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14525 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14528 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14529 alarmSounded = FALSE;
14530 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14532 alarmSounded = TRUE;
14538 /* A player has just moved, so stop the previously running
14539 clock and (if in clock mode) start the other one.
14540 We redisplay both clocks in case we're in ICS mode, because
14541 ICS gives us an update to both clocks after every move.
14542 Note that this routine is called *after* forwardMostMove
14543 is updated, so the last fractional tick must be subtracted
14544 from the color that is *not* on move now.
14547 SwitchClocks(int newMoveNr)
14549 long lastTickLength;
14551 int flagged = FALSE;
14555 if (StopClockTimer() && appData.clockMode) {
14556 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14557 if (!WhiteOnMove(forwardMostMove)) {
14558 if(blackNPS >= 0) lastTickLength = 0;
14559 blackTimeRemaining -= lastTickLength;
14560 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14561 // if(pvInfoList[forwardMostMove].time == -1)
14562 pvInfoList[forwardMostMove].time = // use GUI time
14563 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14565 if(whiteNPS >= 0) lastTickLength = 0;
14566 whiteTimeRemaining -= lastTickLength;
14567 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14568 // if(pvInfoList[forwardMostMove].time == -1)
14569 pvInfoList[forwardMostMove].time =
14570 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14572 flagged = CheckFlags();
14574 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14575 CheckTimeControl();
14577 if (flagged || !appData.clockMode) return;
14579 switch (gameMode) {
14580 case MachinePlaysBlack:
14581 case MachinePlaysWhite:
14582 case BeginningOfGame:
14583 if (pausing) return;
14587 case PlayFromGameFile:
14595 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14596 if(WhiteOnMove(forwardMostMove))
14597 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14598 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14602 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14603 whiteTimeRemaining : blackTimeRemaining);
14604 StartClockTimer(intendedTickLength);
14608 /* Stop both clocks */
14612 long lastTickLength;
14615 if (!StopClockTimer()) return;
14616 if (!appData.clockMode) return;
14620 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14621 if (WhiteOnMove(forwardMostMove)) {
14622 if(whiteNPS >= 0) lastTickLength = 0;
14623 whiteTimeRemaining -= lastTickLength;
14624 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14626 if(blackNPS >= 0) lastTickLength = 0;
14627 blackTimeRemaining -= lastTickLength;
14628 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14633 /* Start clock of player on move. Time may have been reset, so
14634 if clock is already running, stop and restart it. */
14638 (void) StopClockTimer(); /* in case it was running already */
14639 DisplayBothClocks();
14640 if (CheckFlags()) return;
14642 if (!appData.clockMode) return;
14643 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14645 GetTimeMark(&tickStartTM);
14646 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14647 whiteTimeRemaining : blackTimeRemaining);
14649 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14650 whiteNPS = blackNPS = -1;
14651 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14652 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14653 whiteNPS = first.nps;
14654 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14655 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14656 blackNPS = first.nps;
14657 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14658 whiteNPS = second.nps;
14659 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14660 blackNPS = second.nps;
14661 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14663 StartClockTimer(intendedTickLength);
14670 long second, minute, hour, day;
14672 static char buf[32];
14674 if (ms > 0 && ms <= 9900) {
14675 /* convert milliseconds to tenths, rounding up */
14676 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14678 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
14682 /* convert milliseconds to seconds, rounding up */
14683 /* use floating point to avoid strangeness of integer division
14684 with negative dividends on many machines */
14685 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14692 day = second / (60 * 60 * 24);
14693 second = second % (60 * 60 * 24);
14694 hour = second / (60 * 60);
14695 second = second % (60 * 60);
14696 minute = second / 60;
14697 second = second % 60;
14700 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
14701 sign, day, hour, minute, second);
14703 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14705 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
14712 * This is necessary because some C libraries aren't ANSI C compliant yet.
14715 StrStr(string, match)
14716 char *string, *match;
14720 length = strlen(match);
14722 for (i = strlen(string) - length; i >= 0; i--, string++)
14723 if (!strncmp(match, string, length))
14730 StrCaseStr(string, match)
14731 char *string, *match;
14735 length = strlen(match);
14737 for (i = strlen(string) - length; i >= 0; i--, string++) {
14738 for (j = 0; j < length; j++) {
14739 if (ToLower(match[j]) != ToLower(string[j]))
14742 if (j == length) return string;
14756 c1 = ToLower(*s1++);
14757 c2 = ToLower(*s2++);
14758 if (c1 > c2) return 1;
14759 if (c1 < c2) return -1;
14760 if (c1 == NULLCHAR) return 0;
14769 return isupper(c) ? tolower(c) : c;
14777 return islower(c) ? toupper(c) : c;
14779 #endif /* !_amigados */
14787 if ((ret = (char *) malloc(strlen(s) + 1)))
14789 safeStrCpy(ret, s, strlen(s)+1);
14795 StrSavePtr(s, savePtr)
14796 char *s, **savePtr;
14801 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14802 safeStrCpy(*savePtr, s, strlen(s)+1);
14814 clock = time((time_t *)NULL);
14815 tm = localtime(&clock);
14816 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
14817 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14818 return StrSave(buf);
14823 PositionToFEN(move, overrideCastling)
14825 char *overrideCastling;
14827 int i, j, fromX, fromY, toX, toY;
14834 whiteToPlay = (gameMode == EditPosition) ?
14835 !blackPlaysFirst : (move % 2 == 0);
14838 /* Piece placement data */
14839 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14841 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14842 if (boards[move][i][j] == EmptySquare) {
14844 } else { ChessSquare piece = boards[move][i][j];
14845 if (emptycount > 0) {
14846 if(emptycount<10) /* [HGM] can be >= 10 */
14847 *p++ = '0' + emptycount;
14848 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14851 if(PieceToChar(piece) == '+') {
14852 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14854 piece = (ChessSquare)(DEMOTED piece);
14856 *p++ = PieceToChar(piece);
14858 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14859 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14864 if (emptycount > 0) {
14865 if(emptycount<10) /* [HGM] can be >= 10 */
14866 *p++ = '0' + emptycount;
14867 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14874 /* [HGM] print Crazyhouse or Shogi holdings */
14875 if( gameInfo.holdingsWidth ) {
14876 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14878 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14879 piece = boards[move][i][BOARD_WIDTH-1];
14880 if( piece != EmptySquare )
14881 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14882 *p++ = PieceToChar(piece);
14884 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14885 piece = boards[move][BOARD_HEIGHT-i-1][0];
14886 if( piece != EmptySquare )
14887 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14888 *p++ = PieceToChar(piece);
14891 if( q == p ) *p++ = '-';
14897 *p++ = whiteToPlay ? 'w' : 'b';
14900 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14901 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14903 if(nrCastlingRights) {
14905 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14906 /* [HGM] write directly from rights */
14907 if(boards[move][CASTLING][2] != NoRights &&
14908 boards[move][CASTLING][0] != NoRights )
14909 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14910 if(boards[move][CASTLING][2] != NoRights &&
14911 boards[move][CASTLING][1] != NoRights )
14912 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14913 if(boards[move][CASTLING][5] != NoRights &&
14914 boards[move][CASTLING][3] != NoRights )
14915 *p++ = boards[move][CASTLING][3] + AAA;
14916 if(boards[move][CASTLING][5] != NoRights &&
14917 boards[move][CASTLING][4] != NoRights )
14918 *p++ = boards[move][CASTLING][4] + AAA;
14921 /* [HGM] write true castling rights */
14922 if( nrCastlingRights == 6 ) {
14923 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14924 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14925 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14926 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14927 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14928 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14929 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14930 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14933 if (q == p) *p++ = '-'; /* No castling rights */
14937 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14938 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14939 /* En passant target square */
14940 if (move > backwardMostMove) {
14941 fromX = moveList[move - 1][0] - AAA;
14942 fromY = moveList[move - 1][1] - ONE;
14943 toX = moveList[move - 1][2] - AAA;
14944 toY = moveList[move - 1][3] - ONE;
14945 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14946 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14947 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14949 /* 2-square pawn move just happened */
14951 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14955 } else if(move == backwardMostMove) {
14956 // [HGM] perhaps we should always do it like this, and forget the above?
14957 if((signed char)boards[move][EP_STATUS] >= 0) {
14958 *p++ = boards[move][EP_STATUS] + AAA;
14959 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14970 /* [HGM] find reversible plies */
14971 { int i = 0, j=move;
14973 if (appData.debugMode) { int k;
14974 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14975 for(k=backwardMostMove; k<=forwardMostMove; k++)
14976 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14980 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14981 if( j == backwardMostMove ) i += initialRulePlies;
14982 sprintf(p, "%d ", i);
14983 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14985 /* Fullmove number */
14986 sprintf(p, "%d", (move / 2) + 1);
14988 return StrSave(buf);
14992 ParseFEN(board, blackPlaysFirst, fen)
14994 int *blackPlaysFirst;
15004 /* [HGM] by default clear Crazyhouse holdings, if present */
15005 if(gameInfo.holdingsWidth) {
15006 for(i=0; i<BOARD_HEIGHT; i++) {
15007 board[i][0] = EmptySquare; /* black holdings */
15008 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
15009 board[i][1] = (ChessSquare) 0; /* black counts */
15010 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
15014 /* Piece placement data */
15015 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15018 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
15019 if (*p == '/') p++;
15020 emptycount = gameInfo.boardWidth - j;
15021 while (emptycount--)
15022 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15024 #if(BOARD_FILES >= 10)
15025 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
15026 p++; emptycount=10;
15027 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15028 while (emptycount--)
15029 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15031 } else if (isdigit(*p)) {
15032 emptycount = *p++ - '0';
15033 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
15034 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15035 while (emptycount--)
15036 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15037 } else if (*p == '+' || isalpha(*p)) {
15038 if (j >= gameInfo.boardWidth) return FALSE;
15040 piece = CharToPiece(*++p);
15041 if(piece == EmptySquare) return FALSE; /* unknown piece */
15042 piece = (ChessSquare) (PROMOTED piece ); p++;
15043 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
15044 } else piece = CharToPiece(*p++);
15046 if(piece==EmptySquare) return FALSE; /* unknown piece */
15047 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
15048 piece = (ChessSquare) (PROMOTED piece);
15049 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
15052 board[i][(j++)+gameInfo.holdingsWidth] = piece;
15058 while (*p == '/' || *p == ' ') p++;
15060 /* [HGM] look for Crazyhouse holdings here */
15061 while(*p==' ') p++;
15062 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
15064 if(*p == '-' ) p++; /* empty holdings */ else {
15065 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
15066 /* if we would allow FEN reading to set board size, we would */
15067 /* have to add holdings and shift the board read so far here */
15068 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
15070 if((int) piece >= (int) BlackPawn ) {
15071 i = (int)piece - (int)BlackPawn;
15072 i = PieceToNumber((ChessSquare)i);
15073 if( i >= gameInfo.holdingsSize ) return FALSE;
15074 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
15075 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
15077 i = (int)piece - (int)WhitePawn;
15078 i = PieceToNumber((ChessSquare)i);
15079 if( i >= gameInfo.holdingsSize ) return FALSE;
15080 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
15081 board[i][BOARD_WIDTH-2]++; /* black holdings */
15088 while(*p == ' ') p++;
15092 if(appData.colorNickNames) {
15093 if( c == appData.colorNickNames[0] ) c = 'w'; else
15094 if( c == appData.colorNickNames[1] ) c = 'b';
15098 *blackPlaysFirst = FALSE;
15101 *blackPlaysFirst = TRUE;
15107 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
15108 /* return the extra info in global variiables */
15110 /* set defaults in case FEN is incomplete */
15111 board[EP_STATUS] = EP_UNKNOWN;
15112 for(i=0; i<nrCastlingRights; i++ ) {
15113 board[CASTLING][i] =
15114 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
15115 } /* assume possible unless obviously impossible */
15116 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
15117 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
15118 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
15119 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
15120 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
15121 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
15122 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
15123 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
15126 while(*p==' ') p++;
15127 if(nrCastlingRights) {
15128 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
15129 /* castling indicator present, so default becomes no castlings */
15130 for(i=0; i<nrCastlingRights; i++ ) {
15131 board[CASTLING][i] = NoRights;
15134 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
15135 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
15136 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
15137 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
15138 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
15140 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
15141 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
15142 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
15144 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
15145 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
15146 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
15147 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
15148 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
15149 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
15152 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
15153 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
15154 board[CASTLING][2] = whiteKingFile;
15157 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
15158 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
15159 board[CASTLING][2] = whiteKingFile;
15162 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
15163 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
15164 board[CASTLING][5] = blackKingFile;
15167 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
15168 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
15169 board[CASTLING][5] = blackKingFile;
15172 default: /* FRC castlings */
15173 if(c >= 'a') { /* black rights */
15174 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15175 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
15176 if(i == BOARD_RGHT) break;
15177 board[CASTLING][5] = i;
15179 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
15180 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
15182 board[CASTLING][3] = c;
15184 board[CASTLING][4] = c;
15185 } else { /* white rights */
15186 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15187 if(board[0][i] == WhiteKing) break;
15188 if(i == BOARD_RGHT) break;
15189 board[CASTLING][2] = i;
15190 c -= AAA - 'a' + 'A';
15191 if(board[0][c] >= WhiteKing) break;
15193 board[CASTLING][0] = c;
15195 board[CASTLING][1] = c;
15199 for(i=0; i<nrCastlingRights; i++)
15200 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
15201 if (appData.debugMode) {
15202 fprintf(debugFP, "FEN castling rights:");
15203 for(i=0; i<nrCastlingRights; i++)
15204 fprintf(debugFP, " %d", board[CASTLING][i]);
15205 fprintf(debugFP, "\n");
15208 while(*p==' ') p++;
15211 /* read e.p. field in games that know e.p. capture */
15212 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15213 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15215 p++; board[EP_STATUS] = EP_NONE;
15217 char c = *p++ - AAA;
15219 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
15220 if(*p >= '0' && *p <='9') p++;
15221 board[EP_STATUS] = c;
15226 if(sscanf(p, "%d", &i) == 1) {
15227 FENrulePlies = i; /* 50-move ply counter */
15228 /* (The move number is still ignored) */
15235 EditPositionPasteFEN(char *fen)
15238 Board initial_position;
15240 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
15241 DisplayError(_("Bad FEN position in clipboard"), 0);
15244 int savedBlackPlaysFirst = blackPlaysFirst;
15245 EditPositionEvent();
15246 blackPlaysFirst = savedBlackPlaysFirst;
15247 CopyBoard(boards[0], initial_position);
15248 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15249 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15250 DisplayBothClocks();
15251 DrawPosition(FALSE, boards[currentMove]);
15256 static char cseq[12] = "\\ ";
15258 Boolean set_cont_sequence(char *new_seq)
15263 // handle bad attempts to set the sequence
15265 return 0; // acceptable error - no debug
15267 len = strlen(new_seq);
15268 ret = (len > 0) && (len < sizeof(cseq));
15270 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
15271 else if (appData.debugMode)
15272 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15277 reformat a source message so words don't cross the width boundary. internal
15278 newlines are not removed. returns the wrapped size (no null character unless
15279 included in source message). If dest is NULL, only calculate the size required
15280 for the dest buffer. lp argument indicats line position upon entry, and it's
15281 passed back upon exit.
15283 int wrap(char *dest, char *src, int count, int width, int *lp)
15285 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15287 cseq_len = strlen(cseq);
15288 old_line = line = *lp;
15289 ansi = len = clen = 0;
15291 for (i=0; i < count; i++)
15293 if (src[i] == '\033')
15296 // if we hit the width, back up
15297 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15299 // store i & len in case the word is too long
15300 old_i = i, old_len = len;
15302 // find the end of the last word
15303 while (i && src[i] != ' ' && src[i] != '\n')
15309 // word too long? restore i & len before splitting it
15310 if ((old_i-i+clen) >= width)
15317 if (i && src[i-1] == ' ')
15320 if (src[i] != ' ' && src[i] != '\n')
15327 // now append the newline and continuation sequence
15332 strncpy(dest+len, cseq, cseq_len);
15340 dest[len] = src[i];
15344 if (src[i] == '\n')
15349 if (dest && appData.debugMode)
15351 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15352 count, width, line, len, *lp);
15353 show_bytes(debugFP, src, count);
15354 fprintf(debugFP, "\ndest: ");
15355 show_bytes(debugFP, dest, len);
15356 fprintf(debugFP, "\n");
15358 *lp = dest ? line : old_line;
15363 // [HGM] vari: routines for shelving variations
15366 PushTail(int firstMove, int lastMove)
15368 int i, j, nrMoves = lastMove - firstMove;
15370 if(appData.icsActive) { // only in local mode
15371 forwardMostMove = currentMove; // mimic old ICS behavior
15374 if(storedGames >= MAX_VARIATIONS-1) return;
15376 // push current tail of game on stack
15377 savedResult[storedGames] = gameInfo.result;
15378 savedDetails[storedGames] = gameInfo.resultDetails;
15379 gameInfo.resultDetails = NULL;
15380 savedFirst[storedGames] = firstMove;
15381 savedLast [storedGames] = lastMove;
15382 savedFramePtr[storedGames] = framePtr;
15383 framePtr -= nrMoves; // reserve space for the boards
15384 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15385 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15386 for(j=0; j<MOVE_LEN; j++)
15387 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15388 for(j=0; j<2*MOVE_LEN; j++)
15389 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15390 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15391 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15392 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15393 pvInfoList[firstMove+i-1].depth = 0;
15394 commentList[framePtr+i] = commentList[firstMove+i];
15395 commentList[firstMove+i] = NULL;
15399 forwardMostMove = firstMove; // truncate game so we can start variation
15400 if(storedGames == 1) GreyRevert(FALSE);
15404 PopTail(Boolean annotate)
15407 char buf[8000], moveBuf[20];
15409 if(appData.icsActive) return FALSE; // only in local mode
15410 if(!storedGames) return FALSE; // sanity
15411 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15414 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15415 nrMoves = savedLast[storedGames] - currentMove;
15418 if(!WhiteOnMove(currentMove))
15419 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
15420 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
15421 for(i=currentMove; i<forwardMostMove; i++) {
15423 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
15424 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
15425 strcat(buf, moveBuf);
15426 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15427 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15431 for(i=1; i<=nrMoves; i++) { // copy last variation back
15432 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15433 for(j=0; j<MOVE_LEN; j++)
15434 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15435 for(j=0; j<2*MOVE_LEN; j++)
15436 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15437 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15438 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15439 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15440 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15441 commentList[currentMove+i] = commentList[framePtr+i];
15442 commentList[framePtr+i] = NULL;
15444 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15445 framePtr = savedFramePtr[storedGames];
15446 gameInfo.result = savedResult[storedGames];
15447 if(gameInfo.resultDetails != NULL) {
15448 free(gameInfo.resultDetails);
15450 gameInfo.resultDetails = savedDetails[storedGames];
15451 forwardMostMove = currentMove + nrMoves;
15452 if(storedGames == 0) GreyRevert(TRUE);
15458 { // remove all shelved variations
15460 for(i=0; i<storedGames; i++) {
15461 if(savedDetails[i])
15462 free(savedDetails[i]);
15463 savedDetails[i] = NULL;
15465 for(i=framePtr; i<MAX_MOVES; i++) {
15466 if(commentList[i]) free(commentList[i]);
15467 commentList[i] = NULL;
15469 framePtr = MAX_MOVES-1;
15474 LoadVariation(int index, char *text)
15475 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15476 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15477 int level = 0, move;
15479 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15480 // first find outermost bracketing variation
15481 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15482 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15483 if(*p == '{') wait = '}'; else
15484 if(*p == '[') wait = ']'; else
15485 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15486 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15488 if(*p == wait) wait = NULLCHAR; // closing ]} found
15491 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15492 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15493 end[1] = NULLCHAR; // clip off comment beyond variation
15494 ToNrEvent(currentMove-1);
15495 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15496 // kludge: use ParsePV() to append variation to game
15497 move = currentMove;
15498 ParsePV(start, TRUE);
15499 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15500 ClearPremoveHighlights();
15502 ToNrEvent(currentMove+1);