2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 #define DoSleep( n ) if( (n) != 0 ) Sleep( (n) );
62 #define DoSleep( n ) if( (n) >= 0) sleep(n)
72 #include <sys/types.h>
81 #else /* not STDC_HEADERS */
84 # else /* not HAVE_STRING_H */
86 # endif /* not HAVE_STRING_H */
87 #endif /* not STDC_HEADERS */
90 # include <sys/fcntl.h>
91 #else /* not HAVE_SYS_FCNTL_H */
94 # endif /* HAVE_FCNTL_H */
95 #endif /* not HAVE_SYS_FCNTL_H */
97 #if TIME_WITH_SYS_TIME
98 # include <sys/time.h>
102 # include <sys/time.h>
108 #if defined(_amigados) && !defined(__GNUC__)
113 extern int gettimeofday(struct timeval *, struct timezone *);
121 #include "frontend.h"
128 #include "backendz.h"
132 # define _(s) gettext (s)
133 # define N_(s) gettext_noop (s)
134 # define T_(s) gettext(s)
147 /* A point in time */
149 long sec; /* Assuming this is >= 32 bits */
150 int ms; /* Assuming this is >= 16 bits */
153 int establish P((void));
154 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
155 char *buf, int count, int error));
156 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
157 char *buf, int count, int error));
158 void ics_printf P((char *format, ...));
159 void SendToICS P((char *s));
160 void SendToICSDelayed P((char *s, long msdelay));
161 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
162 void HandleMachineMove P((char *message, ChessProgramState *cps));
163 int AutoPlayOneMove P((void));
164 int LoadGameOneMove P((ChessMove readAhead));
165 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
166 int LoadPositionFromFile P((char *filename, int n, char *title));
167 int SavePositionToFile P((char *filename));
168 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
170 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
171 void ShowMove P((int fromX, int fromY, int toX, int toY));
172 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
173 /*char*/int promoChar));
174 void BackwardInner P((int target));
175 void ForwardInner P((int target));
176 int Adjudicate P((ChessProgramState *cps));
177 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
178 void EditPositionDone P((Boolean fakeRights));
179 void PrintOpponents P((FILE *fp));
180 void PrintPosition P((FILE *fp, int move));
181 void StartChessProgram P((ChessProgramState *cps));
182 void SendToProgram P((char *message, ChessProgramState *cps));
183 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
184 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
185 char *buf, int count, int error));
186 void SendTimeControl P((ChessProgramState *cps,
187 int mps, long tc, int inc, int sd, int st));
188 char *TimeControlTagValue P((void));
189 void Attention P((ChessProgramState *cps));
190 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
191 void ResurrectChessProgram P((void));
192 void DisplayComment P((int moveNumber, char *text));
193 void DisplayMove P((int moveNumber));
195 void ParseGameHistory P((char *game));
196 void ParseBoard12 P((char *string));
197 void KeepAlive P((void));
198 void StartClocks P((void));
199 void SwitchClocks P((int nr));
200 void StopClocks P((void));
201 void ResetClocks P((void));
202 char *PGNDate P((void));
203 void SetGameInfo P((void));
204 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
205 int RegisterMove P((void));
206 void MakeRegisteredMove P((void));
207 void TruncateGame P((void));
208 int looking_at P((char *, int *, char *));
209 void CopyPlayerNameIntoFileName P((char **, char *));
210 char *SavePart P((char *));
211 int SaveGameOldStyle P((FILE *));
212 int SaveGamePGN P((FILE *));
213 void GetTimeMark P((TimeMark *));
214 long SubtractTimeMarks P((TimeMark *, TimeMark *));
215 int CheckFlags P((void));
216 long NextTickLength P((long));
217 void CheckTimeControl P((void));
218 void show_bytes P((FILE *, char *, int));
219 int string_to_rating P((char *str));
220 void ParseFeatures P((char* args, ChessProgramState *cps));
221 void InitBackEnd3 P((void));
222 void FeatureDone P((ChessProgramState* cps, int val));
223 void InitChessProgram P((ChessProgramState *cps, int setup));
224 void OutputKibitz(int window, char *text);
225 int PerpetualChase(int first, int last);
226 int EngineOutputIsUp();
227 void InitDrawingSizes(int x, int y);
230 extern void ConsoleCreate();
233 ChessProgramState *WhitePlayer();
234 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
235 int VerifyDisplayMode P(());
237 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
238 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
239 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
240 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
241 void ics_update_width P((int new_width));
242 extern char installDir[MSG_SIZ];
243 VariantClass startVariant; /* [HGM] nicks: initial variant */
245 extern int tinyLayout, smallLayout;
246 ChessProgramStats programStats;
247 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
249 static int exiting = 0; /* [HGM] moved to top */
250 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
251 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
252 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
253 int partnerHighlight[2];
254 Boolean partnerBoardValid = 0;
255 char partnerStatus[MSG_SIZ];
257 Boolean originalFlip;
258 Boolean twoBoards = 0;
259 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
260 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
261 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
262 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
263 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
264 int opponentKibitzes;
265 int lastSavedGame; /* [HGM] save: ID of game */
266 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
267 extern int chatCount;
269 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
271 /* States for ics_getting_history */
273 #define H_REQUESTED 1
274 #define H_GOT_REQ_HEADER 2
275 #define H_GOT_UNREQ_HEADER 3
276 #define H_GETTING_MOVES 4
277 #define H_GOT_UNWANTED_HEADER 5
279 /* whosays values for GameEnds */
288 /* Maximum number of games in a cmail message */
289 #define CMAIL_MAX_GAMES 20
291 /* Different types of move when calling RegisterMove */
293 #define CMAIL_RESIGN 1
295 #define CMAIL_ACCEPT 3
297 /* Different types of result to remember for each game */
298 #define CMAIL_NOT_RESULT 0
299 #define CMAIL_OLD_RESULT 1
300 #define CMAIL_NEW_RESULT 2
302 /* Telnet protocol constants */
313 safeStrCpy( char *dst, const char *src, size_t count )
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(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)) return 1; // [HGM] adjudicate: take care of automtic game end
6193 if (gameMode == BeginningOfGame) {
6194 if (appData.noChessProgram) {
6195 gameMode = EditGame;
6199 gameMode = MachinePlaysBlack;
6202 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6204 if (first.sendName) {
6205 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6206 SendToProgram(buf, &first);
6213 /* Relay move to ICS or chess engine */
6214 if (appData.icsActive) {
6215 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6216 gameMode == IcsExamining) {
6217 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6218 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6220 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6222 // also send plain move, in case ICS does not understand atomic claims
6223 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6227 if (first.sendTime && (gameMode == BeginningOfGame ||
6228 gameMode == MachinePlaysWhite ||
6229 gameMode == MachinePlaysBlack)) {
6230 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6232 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6233 // [HGM] book: if program might be playing, let it use book
6234 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6235 first.maybeThinking = TRUE;
6236 } else SendMoveToProgram(forwardMostMove-1, &first);
6237 if (currentMove == cmailOldMove + 1) {
6238 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6242 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6246 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6252 if (WhiteOnMove(currentMove)) {
6253 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6255 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6259 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6264 case MachinePlaysBlack:
6265 case MachinePlaysWhite:
6266 /* disable certain menu options while machine is thinking */
6267 SetMachineThinkingEnables();
6274 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6276 if(bookHit) { // [HGM] book: simulate book reply
6277 static char bookMove[MSG_SIZ]; // a bit generous?
6279 programStats.nodes = programStats.depth = programStats.time =
6280 programStats.score = programStats.got_only_move = 0;
6281 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6283 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6284 strcat(bookMove, bookHit);
6285 HandleMachineMove(bookMove, &first);
6291 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6298 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6299 Markers *m = (Markers *) closure;
6300 if(rf == fromY && ff == fromX)
6301 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6302 || kind == WhiteCapturesEnPassant
6303 || kind == BlackCapturesEnPassant);
6304 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6308 MarkTargetSquares(int clear)
6311 if(!appData.markers || !appData.highlightDragging ||
6312 !appData.testLegality || gameMode == EditPosition) return;
6314 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6317 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6318 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6319 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6321 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6324 DrawPosition(TRUE, NULL);
6328 Explode(Board board, int fromX, int fromY, int toX, int toY)
6330 if(gameInfo.variant == VariantAtomic &&
6331 (board[toY][toX] != EmptySquare || // capture?
6332 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6333 board[fromY][fromX] == BlackPawn )
6335 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6341 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6343 void LeftClick(ClickType clickType, int xPix, int yPix)
6346 Boolean saveAnimate;
6347 static int second = 0, promotionChoice = 0, dragging = 0;
6348 char promoChoice = NULLCHAR;
6350 if(appData.seekGraph && appData.icsActive && loggedOn &&
6351 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6352 SeekGraphClick(clickType, xPix, yPix, 0);
6356 if (clickType == Press) ErrorPopDown();
6357 MarkTargetSquares(1);
6359 x = EventToSquare(xPix, BOARD_WIDTH);
6360 y = EventToSquare(yPix, BOARD_HEIGHT);
6361 if (!flipView && y >= 0) {
6362 y = BOARD_HEIGHT - 1 - y;
6364 if (flipView && x >= 0) {
6365 x = BOARD_WIDTH - 1 - x;
6368 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6369 if(clickType == Release) return; // ignore upclick of click-click destination
6370 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6371 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6372 if(gameInfo.holdingsWidth &&
6373 (WhiteOnMove(currentMove)
6374 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6375 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6376 // click in right holdings, for determining promotion piece
6377 ChessSquare p = boards[currentMove][y][x];
6378 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6379 if(p != EmptySquare) {
6380 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6385 DrawPosition(FALSE, boards[currentMove]);
6389 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6390 if(clickType == Press
6391 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6392 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6393 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6396 autoQueen = appData.alwaysPromoteToQueen;
6399 gatingPiece = EmptySquare;
6400 if (clickType != Press) {
6401 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6402 DragPieceEnd(xPix, yPix); dragging = 0;
6403 DrawPosition(FALSE, NULL);
6407 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6409 if (OKToStartUserMove(x, y)) {
6413 MarkTargetSquares(0);
6414 DragPieceBegin(xPix, yPix); dragging = 1;
6415 if (appData.highlightDragging) {
6416 SetHighlights(x, y, -1, -1);
6424 if (clickType == Press && gameMode != EditPosition) {
6429 // ignore off-board to clicks
6430 if(y < 0 || x < 0) return;
6432 /* Check if clicking again on the same color piece */
6433 fromP = boards[currentMove][fromY][fromX];
6434 toP = boards[currentMove][y][x];
6435 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6436 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6437 WhitePawn <= toP && toP <= WhiteKing &&
6438 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6439 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6440 (BlackPawn <= fromP && fromP <= BlackKing &&
6441 BlackPawn <= toP && toP <= BlackKing &&
6442 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6443 !(fromP == BlackKing && toP == BlackRook && frc))) {
6444 /* Clicked again on same color piece -- changed his mind */
6445 second = (x == fromX && y == fromY);
6446 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6447 if (appData.highlightDragging) {
6448 SetHighlights(x, y, -1, -1);
6452 if (OKToStartUserMove(x, y)) {
6453 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6454 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6455 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6456 gatingPiece = boards[currentMove][fromY][fromX];
6457 else gatingPiece = EmptySquare;
6459 fromY = y; dragging = 1;
6460 MarkTargetSquares(0);
6461 DragPieceBegin(xPix, yPix);
6464 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6467 // ignore clicks on holdings
6468 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6471 if (clickType == Release && x == fromX && y == fromY) {
6472 DragPieceEnd(xPix, yPix); dragging = 0;
6473 if (appData.animateDragging) {
6474 /* Undo animation damage if any */
6475 DrawPosition(FALSE, NULL);
6478 /* Second up/down in same square; just abort move */
6481 gatingPiece = EmptySquare;
6484 ClearPremoveHighlights();
6486 /* First upclick in same square; start click-click mode */
6487 SetHighlights(x, y, -1, -1);
6492 /* we now have a different from- and (possibly off-board) to-square */
6493 /* Completed move */
6496 saveAnimate = appData.animate;
6497 if (clickType == Press) {
6498 /* Finish clickclick move */
6499 if (appData.animate || appData.highlightLastMove) {
6500 SetHighlights(fromX, fromY, toX, toY);
6505 /* Finish drag move */
6506 if (appData.highlightLastMove) {
6507 SetHighlights(fromX, fromY, toX, toY);
6511 DragPieceEnd(xPix, yPix); dragging = 0;
6512 /* Don't animate move and drag both */
6513 appData.animate = FALSE;
6516 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6517 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6518 ChessSquare piece = boards[currentMove][fromY][fromX];
6519 if(gameMode == EditPosition && piece != EmptySquare &&
6520 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6523 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6524 n = PieceToNumber(piece - (int)BlackPawn);
6525 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6526 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6527 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6529 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6530 n = PieceToNumber(piece);
6531 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6532 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6533 boards[currentMove][n][BOARD_WIDTH-2]++;
6535 boards[currentMove][fromY][fromX] = EmptySquare;
6539 DrawPosition(TRUE, boards[currentMove]);
6543 // off-board moves should not be highlighted
6544 if(x < 0 || y < 0) ClearHighlights();
6546 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
6548 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6549 SetHighlights(fromX, fromY, toX, toY);
6550 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6551 // [HGM] super: promotion to captured piece selected from holdings
6552 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6553 promotionChoice = TRUE;
6554 // kludge follows to temporarily execute move on display, without promoting yet
6555 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6556 boards[currentMove][toY][toX] = p;
6557 DrawPosition(FALSE, boards[currentMove]);
6558 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6559 boards[currentMove][toY][toX] = q;
6560 DisplayMessage("Click in holdings to choose piece", "");
6565 int oldMove = currentMove;
6566 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6567 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6568 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6569 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
6570 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
6571 DrawPosition(TRUE, boards[currentMove]);
6574 appData.animate = saveAnimate;
6575 if (appData.animate || appData.animateDragging) {
6576 /* Undo animation damage if needed */
6577 DrawPosition(FALSE, NULL);
6581 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6582 { // front-end-free part taken out of PieceMenuPopup
6583 int whichMenu; int xSqr, ySqr;
6585 if(seekGraphUp) { // [HGM] seekgraph
6586 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6587 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6591 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6592 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6593 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
6594 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
6595 if(action == Press) {
6596 originalFlip = flipView;
6597 flipView = !flipView; // temporarily flip board to see game from partners perspective
6598 DrawPosition(TRUE, partnerBoard);
6599 DisplayMessage(partnerStatus, "");
6601 } else if(action == Release) {
6602 flipView = originalFlip;
6603 DrawPosition(TRUE, boards[currentMove]);
6609 xSqr = EventToSquare(x, BOARD_WIDTH);
6610 ySqr = EventToSquare(y, BOARD_HEIGHT);
6611 if (action == Release) UnLoadPV(); // [HGM] pv
6612 if (action != Press) return -2; // return code to be ignored
6615 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6617 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6618 if (xSqr < 0 || ySqr < 0) return -1;
\r
6619 whichMenu = 0; // edit-position menu
6622 if(!appData.icsEngineAnalyze) return -1;
6623 case IcsPlayingWhite:
6624 case IcsPlayingBlack:
6625 if(!appData.zippyPlay) goto noZip;
6628 case MachinePlaysWhite:
6629 case MachinePlaysBlack:
6630 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6631 if (!appData.dropMenu) {
6633 return 2; // flag front-end to grab mouse events
6635 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6636 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6639 if (xSqr < 0 || ySqr < 0) return -1;
6640 if (!appData.dropMenu || appData.testLegality &&
6641 gameInfo.variant != VariantBughouse &&
6642 gameInfo.variant != VariantCrazyhouse) return -1;
6643 whichMenu = 1; // drop menu
6649 if (((*fromX = xSqr) < 0) ||
6650 ((*fromY = ySqr) < 0)) {
6651 *fromX = *fromY = -1;
6655 *fromX = BOARD_WIDTH - 1 - *fromX;
6657 *fromY = BOARD_HEIGHT - 1 - *fromY;
6662 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6664 // char * hint = lastHint;
6665 FrontEndProgramStats stats;
6667 stats.which = cps == &first ? 0 : 1;
6668 stats.depth = cpstats->depth;
6669 stats.nodes = cpstats->nodes;
6670 stats.score = cpstats->score;
6671 stats.time = cpstats->time;
6672 stats.pv = cpstats->movelist;
6673 stats.hint = lastHint;
6674 stats.an_move_index = 0;
6675 stats.an_move_count = 0;
6677 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6678 stats.hint = cpstats->move_name;
6679 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6680 stats.an_move_count = cpstats->nr_moves;
6683 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
6685 SetProgramStats( &stats );
6689 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
6690 { // count all piece types
6692 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
6693 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
6694 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
6697 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
6698 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
6699 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
6700 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
6701 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
6702 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
6707 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
6709 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
6710 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
6712 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
6713 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
6714 if(myPawns == 2 && nMine == 3) // KPP
6715 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
6716 if(myPawns == 1 && nMine == 2) // KP
6717 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6718 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
6719 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
6720 if(myPawns) return FALSE;
6721 if(pCnt[WhiteRook+side])
6722 return pCnt[BlackRook-side] ||
6723 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
6724 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
6725 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
6726 if(pCnt[WhiteCannon+side]) {
6727 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
6728 return majorDefense || pCnt[BlackAlfil-side] >= 2;
6730 if(pCnt[WhiteKnight+side])
6731 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6736 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
6738 VariantClass v = gameInfo.variant;
6740 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
6741 if(v == VariantShatranj) return TRUE; // always winnable through baring
6742 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
6743 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
6745 if(v == VariantXiangqi) {
6746 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
6748 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
6749 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
6750 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
6751 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
6752 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
6753 if(stale) // we have at least one last-rank P plus perhaps C
6754 return majors // KPKX
6755 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
6757 return pCnt[WhiteFerz+side] // KCAK
6758 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
6759 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
6760 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
6762 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
6763 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
6765 if(nMine == 1) return FALSE; // bare King
6766 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
6767 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
6768 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
6769 // by now we have King + 1 piece (or multiple Bishops on the same color)
6770 if(pCnt[WhiteKnight+side])
6771 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
6772 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
6773 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
6775 return (pCnt[BlackKnight-side]); // KBKN, KFKN
6776 if(pCnt[WhiteAlfil+side])
6777 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
6778 if(pCnt[WhiteWazir+side])
6779 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
6786 Adjudicate(ChessProgramState *cps)
6787 { // [HGM] some adjudications useful with buggy engines
6788 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6789 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6790 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6791 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6792 int k, count = 0; static int bare = 1;
6793 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6794 Boolean canAdjudicate = !appData.icsActive;
6796 // most tests only when we understand the game, i.e. legality-checking on
6797 if( appData.testLegality )
6798 { /* [HGM] Some more adjudications for obstinate engines */
6799 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
6800 static int moveCount = 6;
6802 char *reason = NULL;
6804 /* Count what is on board. */
6805 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
6807 /* Some material-based adjudications that have to be made before stalemate test */
6808 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
6809 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6810 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6811 if(canAdjudicate && appData.checkMates) {
6813 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6814 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6815 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6816 "Xboard adjudication: King destroyed", GE_XBOARD );
6821 /* Bare King in Shatranj (loses) or Losers (wins) */
6822 if( nrW == 1 || nrB == 1) {
6823 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6824 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6825 if(canAdjudicate && appData.checkMates) {
6827 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6828 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6829 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6830 "Xboard adjudication: Bare king", GE_XBOARD );
6834 if( gameInfo.variant == VariantShatranj && --bare < 0)
6836 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6837 if(canAdjudicate && appData.checkMates) {
6838 /* but only adjudicate if adjudication enabled */
6840 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6841 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6842 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
6843 "Xboard adjudication: Bare king", GE_XBOARD );
6850 // don't wait for engine to announce game end if we can judge ourselves
6851 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6853 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6854 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6855 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6856 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6859 reason = "Xboard adjudication: 3rd check";
6860 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6870 reason = "Xboard adjudication: Stalemate";
6871 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6872 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6873 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6874 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6875 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6876 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
6877 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
6878 EP_CHECKMATE : EP_WINS);
6879 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6880 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6884 reason = "Xboard adjudication: Checkmate";
6885 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6889 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6891 result = GameIsDrawn; break;
6893 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6895 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6899 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6901 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6902 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
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 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6922 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6927 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6928 if(gameInfo.variant == VariantXiangqi ?
6929 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
6931 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
6932 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
6933 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
6934 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
6936 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
6937 { /* if the first 3 moves do not show a tactical win, declare draw */
6938 if(engineOpponent) {
6939 SendToProgram("force\n", engineOpponent); // suppress reply
6940 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6942 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6943 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6946 } else moveCount = 6;
6948 if (appData.debugMode) { int i;
6949 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6950 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6951 appData.drawRepeats);
6952 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6953 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6957 // Repetition draws and 50-move rule can be applied independently of legality testing
6959 /* Check for rep-draws */
6961 for(k = forwardMostMove-2;
6962 k>=backwardMostMove && k>=forwardMostMove-100 &&
6963 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6964 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6967 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6968 /* compare castling rights */
6969 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6970 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6971 rights++; /* King lost rights, while rook still had them */
6972 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6973 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6974 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6975 rights++; /* but at least one rook lost them */
6977 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6978 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6980 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6981 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6982 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6985 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
6986 && appData.drawRepeats > 1) {
6987 /* adjudicate after user-specified nr of repeats */
6988 int result = GameIsDrawn;
6989 char *details = "XBoard adjudication: repetition draw";
6990 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6991 // [HGM] xiangqi: check for forbidden perpetuals
6992 int m, ourPerpetual = 1, hisPerpetual = 1;
6993 for(m=forwardMostMove; m>k; m-=2) {
6994 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6995 ourPerpetual = 0; // the current mover did not always check
6996 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6997 hisPerpetual = 0; // the opponent did not always check
6999 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7000 ourPerpetual, hisPerpetual);
7001 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7002 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7003 details = "Xboard adjudication: perpetual checking";
7005 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7006 break; // (or we would have caught him before). Abort repetition-checking loop.
7008 // Now check for perpetual chases
7009 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7010 hisPerpetual = PerpetualChase(k, forwardMostMove);
7011 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7012 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7013 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7014 details = "Xboard adjudication: perpetual chasing";
7016 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7017 break; // Abort repetition-checking loop.
7019 // if neither of us is checking or chasing all the time, or both are, it is draw
7021 if(engineOpponent) {
7022 SendToProgram("force\n", engineOpponent); // suppress reply
7023 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7025 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7026 GameEnds( result, details, GE_XBOARD );
7029 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7030 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7034 /* Now we test for 50-move draws. Determine ply count */
7035 count = forwardMostMove;
7036 /* look for last irreversble move */
7037 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7039 /* if we hit starting position, add initial plies */
7040 if( count == backwardMostMove )
7041 count -= initialRulePlies;
7042 count = forwardMostMove - count;
7043 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7044 // adjust reversible move counter for checks in Xiangqi
7045 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7046 if(i < backwardMostMove) i = backwardMostMove;
7047 while(i <= forwardMostMove) {
7048 lastCheck = inCheck; // check evasion does not count
7049 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7050 if(inCheck || lastCheck) count--; // check does not count
7055 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7056 /* this is used to judge if draw claims are legal */
7057 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7058 if(engineOpponent) {
7059 SendToProgram("force\n", engineOpponent); // suppress reply
7060 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7062 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7063 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7067 /* if draw offer is pending, treat it as a draw claim
7068 * when draw condition present, to allow engines a way to
7069 * claim draws before making their move to avoid a race
7070 * condition occurring after their move
7072 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7074 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7075 p = "Draw claim: 50-move rule";
7076 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7077 p = "Draw claim: 3-fold repetition";
7078 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7079 p = "Draw claim: insufficient mating material";
7080 if( p != NULL && canAdjudicate) {
7081 if(engineOpponent) {
7082 SendToProgram("force\n", engineOpponent); // suppress reply
7083 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7085 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7086 GameEnds( GameIsDrawn, p, GE_XBOARD );
7091 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7092 if(engineOpponent) {
7093 SendToProgram("force\n", engineOpponent); // suppress reply
7094 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7096 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7097 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7103 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7104 { // [HGM] book: this routine intercepts moves to simulate book replies
7105 char *bookHit = NULL;
7107 //first determine if the incoming move brings opponent into his book
7108 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7109 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7110 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7111 if(bookHit != NULL && !cps->bookSuspend) {
7112 // make sure opponent is not going to reply after receiving move to book position
7113 SendToProgram("force\n", cps);
7114 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7116 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7117 // now arrange restart after book miss
7119 // after a book hit we never send 'go', and the code after the call to this routine
7120 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7122 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
7123 SendToProgram(buf, cps);
7124 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7125 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7126 SendToProgram("go\n", cps);
7127 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7128 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7129 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7130 SendToProgram("go\n", cps);
7131 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7133 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7137 ChessProgramState *savedState;
7138 void DeferredBookMove(void)
7140 if(savedState->lastPing != savedState->lastPong)
7141 ScheduleDelayedEvent(DeferredBookMove, 10);
7143 HandleMachineMove(savedMessage, savedState);
7147 HandleMachineMove(message, cps)
7149 ChessProgramState *cps;
7151 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7152 char realname[MSG_SIZ];
7153 int fromX, fromY, toX, toY;
7162 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7164 * Kludge to ignore BEL characters
7166 while (*message == '\007') message++;
7169 * [HGM] engine debug message: ignore lines starting with '#' character
7171 if(cps->debug && *message == '#') return;
7174 * Look for book output
7176 if (cps == &first && bookRequested) {
7177 if (message[0] == '\t' || message[0] == ' ') {
7178 /* Part of the book output is here; append it */
7179 strcat(bookOutput, message);
7180 strcat(bookOutput, " \n");
7182 } else if (bookOutput[0] != NULLCHAR) {
7183 /* All of book output has arrived; display it */
7184 char *p = bookOutput;
7185 while (*p != NULLCHAR) {
7186 if (*p == '\t') *p = ' ';
7189 DisplayInformation(bookOutput);
7190 bookRequested = FALSE;
7191 /* Fall through to parse the current output */
7196 * Look for machine move.
7198 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7199 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7201 /* This method is only useful on engines that support ping */
7202 if (cps->lastPing != cps->lastPong) {
7203 if (gameMode == BeginningOfGame) {
7204 /* Extra move from before last new; ignore */
7205 if (appData.debugMode) {
7206 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7209 if (appData.debugMode) {
7210 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7211 cps->which, gameMode);
7214 SendToProgram("undo\n", cps);
7220 case BeginningOfGame:
7221 /* Extra move from before last reset; ignore */
7222 if (appData.debugMode) {
7223 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7230 /* Extra move after we tried to stop. The mode test is
7231 not a reliable way of detecting this problem, but it's
7232 the best we can do on engines that don't support ping.
7234 if (appData.debugMode) {
7235 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7236 cps->which, gameMode);
7238 SendToProgram("undo\n", cps);
7241 case MachinePlaysWhite:
7242 case IcsPlayingWhite:
7243 machineWhite = TRUE;
7246 case MachinePlaysBlack:
7247 case IcsPlayingBlack:
7248 machineWhite = FALSE;
7251 case TwoMachinesPlay:
7252 machineWhite = (cps->twoMachinesColor[0] == 'w');
7255 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7256 if (appData.debugMode) {
7258 "Ignoring move out of turn by %s, gameMode %d"
7259 ", forwardMost %d\n",
7260 cps->which, gameMode, forwardMostMove);
7265 if (appData.debugMode) { int f = forwardMostMove;
7266 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7267 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7268 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7270 if(cps->alphaRank) AlphaRank(machineMove, 4);
7271 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7272 &fromX, &fromY, &toX, &toY, &promoChar)) {
7273 /* Machine move could not be parsed; ignore it. */
7274 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7275 machineMove, cps->which);
7276 DisplayError(buf1, 0);
7277 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7278 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7279 if (gameMode == TwoMachinesPlay) {
7280 GameEnds(machineWhite ? BlackWins : WhiteWins,
7286 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7287 /* So we have to redo legality test with true e.p. status here, */
7288 /* to make sure an illegal e.p. capture does not slip through, */
7289 /* to cause a forfeit on a justified illegal-move complaint */
7290 /* of the opponent. */
7291 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7293 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7294 fromY, fromX, toY, toX, promoChar);
7295 if (appData.debugMode) {
7297 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7298 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7299 fprintf(debugFP, "castling rights\n");
7301 if(moveType == IllegalMove) {
7302 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7303 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7304 GameEnds(machineWhite ? BlackWins : WhiteWins,
7307 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7308 /* [HGM] Kludge to handle engines that send FRC-style castling
7309 when they shouldn't (like TSCP-Gothic) */
7311 case WhiteASideCastleFR:
7312 case BlackASideCastleFR:
7314 currentMoveString[2]++;
7316 case WhiteHSideCastleFR:
7317 case BlackHSideCastleFR:
7319 currentMoveString[2]--;
7321 default: ; // nothing to do, but suppresses warning of pedantic compilers
7324 hintRequested = FALSE;
7325 lastHint[0] = NULLCHAR;
7326 bookRequested = FALSE;
7327 /* Program may be pondering now */
7328 cps->maybeThinking = TRUE;
7329 if (cps->sendTime == 2) cps->sendTime = 1;
7330 if (cps->offeredDraw) cps->offeredDraw--;
7332 /* currentMoveString is set as a side-effect of ParseOneMove */
7333 safeStrCpy(machineMove, currentMoveString, sizeof(machineMove)/sizeof(machineMove[0]));
7334 strcat(machineMove, "\n");
7335 safeStrCpy(moveList[forwardMostMove], machineMove, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
7337 /* [AS] Save move info*/
7338 pvInfoList[ forwardMostMove ].score = programStats.score;
7339 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7340 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7342 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7344 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7345 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7348 while( count < adjudicateLossPlies ) {
7349 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7352 score = -score; /* Flip score for winning side */
7355 if( score > adjudicateLossThreshold ) {
7362 if( count >= adjudicateLossPlies ) {
7363 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7365 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7366 "Xboard adjudication",
7373 if(Adjudicate(cps)) {
7374 DrawPosition(FALSE, boards[currentMove = forwardMostMove-1]);
7375 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7376 return; // [HGM] adjudicate: for all automatic game ends
7380 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7382 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7383 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7385 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7387 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7389 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7390 char buf[3*MSG_SIZ];
7392 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7393 programStats.score / 100.,
7395 programStats.time / 100.,
7396 (unsigned int)programStats.nodes,
7397 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7398 programStats.movelist);
7400 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7405 /* [AS] Clear stats for next move */
7406 ClearProgramStats();
7407 thinkOutput[0] = NULLCHAR;
7408 hiddenThinkOutputState = 0;
7411 if (gameMode == TwoMachinesPlay) {
7412 /* [HGM] relaying draw offers moved to after reception of move */
7413 /* and interpreting offer as claim if it brings draw condition */
7414 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7415 SendToProgram("draw\n", cps->other);
7417 if (cps->other->sendTime) {
7418 SendTimeRemaining(cps->other,
7419 cps->other->twoMachinesColor[0] == 'w');
7421 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7422 if (firstMove && !bookHit) {
7424 if (cps->other->useColors) {
7425 SendToProgram(cps->other->twoMachinesColor, cps->other);
7427 SendToProgram("go\n", cps->other);
7429 cps->other->maybeThinking = TRUE;
7432 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7434 if (!pausing && appData.ringBellAfterMoves) {
7439 * Reenable menu items that were disabled while
7440 * machine was thinking
7442 if (gameMode != TwoMachinesPlay)
7443 SetUserThinkingEnables();
7445 // [HGM] book: after book hit opponent has received move and is now in force mode
7446 // force the book reply into it, and then fake that it outputted this move by jumping
7447 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7449 static char bookMove[MSG_SIZ]; // a bit generous?
7451 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7452 strcat(bookMove, bookHit);
7455 programStats.nodes = programStats.depth = programStats.time =
7456 programStats.score = programStats.got_only_move = 0;
7457 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7459 if(cps->lastPing != cps->lastPong) {
7460 savedMessage = message; // args for deferred call
7462 ScheduleDelayedEvent(DeferredBookMove, 10);
7471 /* Set special modes for chess engines. Later something general
7472 * could be added here; for now there is just one kludge feature,
7473 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7474 * when "xboard" is given as an interactive command.
7476 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7477 cps->useSigint = FALSE;
7478 cps->useSigterm = FALSE;
7480 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7481 ParseFeatures(message+8, cps);
7482 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7485 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
7486 int dummy, s=6; char buf[MSG_SIZ];
7487 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
7488 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
7489 ParseFEN(boards[0], &dummy, message+s);
7490 DrawPosition(TRUE, boards[0]);
7491 startedFromSetupPosition = TRUE;
7494 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7495 * want this, I was asked to put it in, and obliged.
7497 if (!strncmp(message, "setboard ", 9)) {
7498 Board initial_position;
7500 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7502 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7503 DisplayError(_("Bad FEN received from engine"), 0);
7507 CopyBoard(boards[0], initial_position);
7508 initialRulePlies = FENrulePlies;
7509 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7510 else gameMode = MachinePlaysBlack;
7511 DrawPosition(FALSE, boards[currentMove]);
7517 * Look for communication commands
7519 if (!strncmp(message, "telluser ", 9)) {
7520 if(message[9] == '\\' && message[10] == '\\')
7521 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
7522 DisplayNote(message + 9);
7525 if (!strncmp(message, "tellusererror ", 14)) {
7527 if(message[14] == '\\' && message[15] == '\\')
7528 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
7529 DisplayError(message + 14, 0);
7532 if (!strncmp(message, "tellopponent ", 13)) {
7533 if (appData.icsActive) {
7535 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7539 DisplayNote(message + 13);
7543 if (!strncmp(message, "tellothers ", 11)) {
7544 if (appData.icsActive) {
7546 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7552 if (!strncmp(message, "tellall ", 8)) {
7553 if (appData.icsActive) {
7555 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7559 DisplayNote(message + 8);
7563 if (strncmp(message, "warning", 7) == 0) {
7564 /* Undocumented feature, use tellusererror in new code */
7565 DisplayError(message, 0);
7568 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7569 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
7570 strcat(realname, " query");
7571 AskQuestion(realname, buf2, buf1, cps->pr);
7574 /* Commands from the engine directly to ICS. We don't allow these to be
7575 * sent until we are logged on. Crafty kibitzes have been known to
7576 * interfere with the login process.
7579 if (!strncmp(message, "tellics ", 8)) {
7580 SendToICS(message + 8);
7584 if (!strncmp(message, "tellicsnoalias ", 15)) {
7585 SendToICS(ics_prefix);
7586 SendToICS(message + 15);
7590 /* The following are for backward compatibility only */
7591 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7592 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7593 SendToICS(ics_prefix);
7599 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7603 * If the move is illegal, cancel it and redraw the board.
7604 * Also deal with other error cases. Matching is rather loose
7605 * here to accommodate engines written before the spec.
7607 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7608 strncmp(message, "Error", 5) == 0) {
7609 if (StrStr(message, "name") ||
7610 StrStr(message, "rating") || StrStr(message, "?") ||
7611 StrStr(message, "result") || StrStr(message, "board") ||
7612 StrStr(message, "bk") || StrStr(message, "computer") ||
7613 StrStr(message, "variant") || StrStr(message, "hint") ||
7614 StrStr(message, "random") || StrStr(message, "depth") ||
7615 StrStr(message, "accepted")) {
7618 if (StrStr(message, "protover")) {
7619 /* Program is responding to input, so it's apparently done
7620 initializing, and this error message indicates it is
7621 protocol version 1. So we don't need to wait any longer
7622 for it to initialize and send feature commands. */
7623 FeatureDone(cps, 1);
7624 cps->protocolVersion = 1;
7627 cps->maybeThinking = FALSE;
7629 if (StrStr(message, "draw")) {
7630 /* Program doesn't have "draw" command */
7631 cps->sendDrawOffers = 0;
7634 if (cps->sendTime != 1 &&
7635 (StrStr(message, "time") || StrStr(message, "otim"))) {
7636 /* Program apparently doesn't have "time" or "otim" command */
7640 if (StrStr(message, "analyze")) {
7641 cps->analysisSupport = FALSE;
7642 cps->analyzing = FALSE;
7644 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
7645 DisplayError(buf2, 0);
7648 if (StrStr(message, "(no matching move)st")) {
7649 /* Special kludge for GNU Chess 4 only */
7650 cps->stKludge = TRUE;
7651 SendTimeControl(cps, movesPerSession, timeControl,
7652 timeIncrement, appData.searchDepth,
7656 if (StrStr(message, "(no matching move)sd")) {
7657 /* Special kludge for GNU Chess 4 only */
7658 cps->sdKludge = TRUE;
7659 SendTimeControl(cps, movesPerSession, timeControl,
7660 timeIncrement, appData.searchDepth,
7664 if (!StrStr(message, "llegal")) {
7667 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7668 gameMode == IcsIdle) return;
7669 if (forwardMostMove <= backwardMostMove) return;
7670 if (pausing) PauseEvent();
7671 if(appData.forceIllegal) {
7672 // [HGM] illegal: machine refused move; force position after move into it
7673 SendToProgram("force\n", cps);
7674 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7675 // we have a real problem now, as SendBoard will use the a2a3 kludge
7676 // when black is to move, while there might be nothing on a2 or black
7677 // might already have the move. So send the board as if white has the move.
7678 // But first we must change the stm of the engine, as it refused the last move
7679 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7680 if(WhiteOnMove(forwardMostMove)) {
7681 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7682 SendBoard(cps, forwardMostMove); // kludgeless board
7684 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7685 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7686 SendBoard(cps, forwardMostMove+1); // kludgeless board
7688 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7689 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7690 gameMode == TwoMachinesPlay)
7691 SendToProgram("go\n", cps);
7694 if (gameMode == PlayFromGameFile) {
7695 /* Stop reading this game file */
7696 gameMode = EditGame;
7699 /* [HGM] illegal-move claim should forfeit game when Xboard */
7700 /* only passes fully legal moves */
7701 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7702 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7703 "False illegal-move claim", GE_XBOARD );
7704 return; // do not take back move we tested as valid
7706 currentMove = forwardMostMove-1;
7707 DisplayMove(currentMove-1); /* before DisplayMoveError */
7708 SwitchClocks(forwardMostMove-1); // [HGM] race
7709 DisplayBothClocks();
7710 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
7711 parseList[currentMove], cps->which);
7712 DisplayMoveError(buf1);
7713 DrawPosition(FALSE, boards[currentMove]);
7716 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7717 /* Program has a broken "time" command that
7718 outputs a string not ending in newline.
7724 * If chess program startup fails, exit with an error message.
7725 * Attempts to recover here are futile.
7727 if ((StrStr(message, "unknown host") != NULL)
7728 || (StrStr(message, "No remote directory") != NULL)
7729 || (StrStr(message, "not found") != NULL)
7730 || (StrStr(message, "No such file") != NULL)
7731 || (StrStr(message, "can't alloc") != NULL)
7732 || (StrStr(message, "Permission denied") != NULL)) {
7734 cps->maybeThinking = FALSE;
7735 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7736 cps->which, cps->program, cps->host, message);
7737 RemoveInputSource(cps->isr);
7738 DisplayFatalError(buf1, 0, 1);
7743 * Look for hint output
7745 if (sscanf(message, "Hint: %s", buf1) == 1) {
7746 if (cps == &first && hintRequested) {
7747 hintRequested = FALSE;
7748 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7749 &fromX, &fromY, &toX, &toY, &promoChar)) {
7750 (void) CoordsToAlgebraic(boards[forwardMostMove],
7751 PosFlags(forwardMostMove),
7752 fromY, fromX, toY, toX, promoChar, buf1);
7753 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7754 DisplayInformation(buf2);
7756 /* Hint move could not be parsed!? */
7757 snprintf(buf2, sizeof(buf2),
7758 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7760 DisplayError(buf2, 0);
7763 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
7769 * Ignore other messages if game is not in progress
7771 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7772 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7775 * look for win, lose, draw, or draw offer
7777 if (strncmp(message, "1-0", 3) == 0) {
7778 char *p, *q, *r = "";
7779 p = strchr(message, '{');
7787 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7789 } else if (strncmp(message, "0-1", 3) == 0) {
7790 char *p, *q, *r = "";
7791 p = strchr(message, '{');
7799 /* Kludge for Arasan 4.1 bug */
7800 if (strcmp(r, "Black resigns") == 0) {
7801 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7804 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7806 } else if (strncmp(message, "1/2", 3) == 0) {
7807 char *p, *q, *r = "";
7808 p = strchr(message, '{');
7817 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7820 } else if (strncmp(message, "White resign", 12) == 0) {
7821 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7823 } else if (strncmp(message, "Black resign", 12) == 0) {
7824 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7826 } else if (strncmp(message, "White matches", 13) == 0 ||
7827 strncmp(message, "Black matches", 13) == 0 ) {
7828 /* [HGM] ignore GNUShogi noises */
7830 } else if (strncmp(message, "White", 5) == 0 &&
7831 message[5] != '(' &&
7832 StrStr(message, "Black") == NULL) {
7833 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7835 } else if (strncmp(message, "Black", 5) == 0 &&
7836 message[5] != '(') {
7837 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7839 } else if (strcmp(message, "resign") == 0 ||
7840 strcmp(message, "computer resigns") == 0) {
7842 case MachinePlaysBlack:
7843 case IcsPlayingBlack:
7844 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7846 case MachinePlaysWhite:
7847 case IcsPlayingWhite:
7848 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7850 case TwoMachinesPlay:
7851 if (cps->twoMachinesColor[0] == 'w')
7852 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7854 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7861 } else if (strncmp(message, "opponent mates", 14) == 0) {
7863 case MachinePlaysBlack:
7864 case IcsPlayingBlack:
7865 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7867 case MachinePlaysWhite:
7868 case IcsPlayingWhite:
7869 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7871 case TwoMachinesPlay:
7872 if (cps->twoMachinesColor[0] == 'w')
7873 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7875 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7882 } else if (strncmp(message, "computer mates", 14) == 0) {
7884 case MachinePlaysBlack:
7885 case IcsPlayingBlack:
7886 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7888 case MachinePlaysWhite:
7889 case IcsPlayingWhite:
7890 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7892 case TwoMachinesPlay:
7893 if (cps->twoMachinesColor[0] == 'w')
7894 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7896 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7903 } else if (strncmp(message, "checkmate", 9) == 0) {
7904 if (WhiteOnMove(forwardMostMove)) {
7905 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7907 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7910 } else if (strstr(message, "Draw") != NULL ||
7911 strstr(message, "game is a draw") != NULL) {
7912 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7914 } else if (strstr(message, "offer") != NULL &&
7915 strstr(message, "draw") != NULL) {
7917 if (appData.zippyPlay && first.initDone) {
7918 /* Relay offer to ICS */
7919 SendToICS(ics_prefix);
7920 SendToICS("draw\n");
7923 cps->offeredDraw = 2; /* valid until this engine moves twice */
7924 if (gameMode == TwoMachinesPlay) {
7925 if (cps->other->offeredDraw) {
7926 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7927 /* [HGM] in two-machine mode we delay relaying draw offer */
7928 /* until after we also have move, to see if it is really claim */
7930 } else if (gameMode == MachinePlaysWhite ||
7931 gameMode == MachinePlaysBlack) {
7932 if (userOfferedDraw) {
7933 DisplayInformation(_("Machine accepts your draw offer"));
7934 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7936 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7943 * Look for thinking output
7945 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7946 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7948 int plylev, mvleft, mvtot, curscore, time;
7949 char mvname[MOVE_LEN];
7953 int prefixHint = FALSE;
7954 mvname[0] = NULLCHAR;
7957 case MachinePlaysBlack:
7958 case IcsPlayingBlack:
7959 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7961 case MachinePlaysWhite:
7962 case IcsPlayingWhite:
7963 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7968 case IcsObserving: /* [DM] icsEngineAnalyze */
7969 if (!appData.icsEngineAnalyze) ignore = TRUE;
7971 case TwoMachinesPlay:
7972 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7982 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7984 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7985 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7987 if (plyext != ' ' && plyext != '\t') {
7991 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7992 if( cps->scoreIsAbsolute &&
7993 ( gameMode == MachinePlaysBlack ||
7994 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7995 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7996 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7997 !WhiteOnMove(currentMove)
8000 curscore = -curscore;
8004 tempStats.depth = plylev;
8005 tempStats.nodes = nodes;
8006 tempStats.time = time;
8007 tempStats.score = curscore;
8008 tempStats.got_only_move = 0;
8010 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8013 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8014 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8015 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8016 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8017 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8018 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8019 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8020 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8023 /* Buffer overflow protection */
8024 if (buf1[0] != NULLCHAR) {
8025 if (strlen(buf1) >= sizeof(tempStats.movelist)
8026 && appData.debugMode) {
8028 "PV is too long; using the first %u bytes.\n",
8029 (unsigned) sizeof(tempStats.movelist) - 1);
8032 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8034 sprintf(tempStats.movelist, " no PV\n");
8037 if (tempStats.seen_stat) {
8038 tempStats.ok_to_send = 1;
8041 if (strchr(tempStats.movelist, '(') != NULL) {
8042 tempStats.line_is_book = 1;
8043 tempStats.nr_moves = 0;
8044 tempStats.moves_left = 0;
8046 tempStats.line_is_book = 0;
8049 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8050 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8052 SendProgramStatsToFrontend( cps, &tempStats );
8055 [AS] Protect the thinkOutput buffer from overflow... this
8056 is only useful if buf1 hasn't overflowed first!
8058 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8060 (gameMode == TwoMachinesPlay ?
8061 ToUpper(cps->twoMachinesColor[0]) : ' '),
8062 ((double) curscore) / 100.0,
8063 prefixHint ? lastHint : "",
8064 prefixHint ? " " : "" );
8066 if( buf1[0] != NULLCHAR ) {
8067 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8069 if( strlen(buf1) > max_len ) {
8070 if( appData.debugMode) {
8071 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8073 buf1[max_len+1] = '\0';
8076 strcat( thinkOutput, buf1 );
8079 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8080 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8081 DisplayMove(currentMove - 1);
8085 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8086 /* crafty (9.25+) says "(only move) <move>"
8087 * if there is only 1 legal move
8089 sscanf(p, "(only move) %s", buf1);
8090 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8091 sprintf(programStats.movelist, "%s (only move)", buf1);
8092 programStats.depth = 1;
8093 programStats.nr_moves = 1;
8094 programStats.moves_left = 1;
8095 programStats.nodes = 1;
8096 programStats.time = 1;
8097 programStats.got_only_move = 1;
8099 /* Not really, but we also use this member to
8100 mean "line isn't going to change" (Crafty
8101 isn't searching, so stats won't change) */
8102 programStats.line_is_book = 1;
8104 SendProgramStatsToFrontend( cps, &programStats );
8106 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8107 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8108 DisplayMove(currentMove - 1);
8111 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8112 &time, &nodes, &plylev, &mvleft,
8113 &mvtot, mvname) >= 5) {
8114 /* The stat01: line is from Crafty (9.29+) in response
8115 to the "." command */
8116 programStats.seen_stat = 1;
8117 cps->maybeThinking = TRUE;
8119 if (programStats.got_only_move || !appData.periodicUpdates)
8122 programStats.depth = plylev;
8123 programStats.time = time;
8124 programStats.nodes = nodes;
8125 programStats.moves_left = mvleft;
8126 programStats.nr_moves = mvtot;
8127 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8128 programStats.ok_to_send = 1;
8129 programStats.movelist[0] = '\0';
8131 SendProgramStatsToFrontend( cps, &programStats );
8135 } else if (strncmp(message,"++",2) == 0) {
8136 /* Crafty 9.29+ outputs this */
8137 programStats.got_fail = 2;
8140 } else if (strncmp(message,"--",2) == 0) {
8141 /* Crafty 9.29+ outputs this */
8142 programStats.got_fail = 1;
8145 } else if (thinkOutput[0] != NULLCHAR &&
8146 strncmp(message, " ", 4) == 0) {
8147 unsigned message_len;
8150 while (*p && *p == ' ') p++;
8152 message_len = strlen( p );
8154 /* [AS] Avoid buffer overflow */
8155 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8156 strcat(thinkOutput, " ");
8157 strcat(thinkOutput, p);
8160 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8161 strcat(programStats.movelist, " ");
8162 strcat(programStats.movelist, p);
8165 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8166 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8167 DisplayMove(currentMove - 1);
8175 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8176 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8178 ChessProgramStats cpstats;
8180 if (plyext != ' ' && plyext != '\t') {
8184 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8185 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8186 curscore = -curscore;
8189 cpstats.depth = plylev;
8190 cpstats.nodes = nodes;
8191 cpstats.time = time;
8192 cpstats.score = curscore;
8193 cpstats.got_only_move = 0;
8194 cpstats.movelist[0] = '\0';
8196 if (buf1[0] != NULLCHAR) {
8197 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8200 cpstats.ok_to_send = 0;
8201 cpstats.line_is_book = 0;
8202 cpstats.nr_moves = 0;
8203 cpstats.moves_left = 0;
8205 SendProgramStatsToFrontend( cps, &cpstats );
8212 /* Parse a game score from the character string "game", and
8213 record it as the history of the current game. The game
8214 score is NOT assumed to start from the standard position.
8215 The display is not updated in any way.
8218 ParseGameHistory(game)
8222 int fromX, fromY, toX, toY, boardIndex;
8227 if (appData.debugMode)
8228 fprintf(debugFP, "Parsing game history: %s\n", game);
8230 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8231 gameInfo.site = StrSave(appData.icsHost);
8232 gameInfo.date = PGNDate();
8233 gameInfo.round = StrSave("-");
8235 /* Parse out names of players */
8236 while (*game == ' ') game++;
8238 while (*game != ' ') *p++ = *game++;
8240 gameInfo.white = StrSave(buf);
8241 while (*game == ' ') game++;
8243 while (*game != ' ' && *game != '\n') *p++ = *game++;
8245 gameInfo.black = StrSave(buf);
8248 boardIndex = blackPlaysFirst ? 1 : 0;
8251 yyboardindex = boardIndex;
8252 moveType = (ChessMove) Myylex();
8254 case IllegalMove: /* maybe suicide chess, etc. */
8255 if (appData.debugMode) {
8256 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8257 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8258 setbuf(debugFP, NULL);
8260 case WhitePromotion:
8261 case BlackPromotion:
8262 case WhiteNonPromotion:
8263 case BlackNonPromotion:
8265 case WhiteCapturesEnPassant:
8266 case BlackCapturesEnPassant:
8267 case WhiteKingSideCastle:
8268 case WhiteQueenSideCastle:
8269 case BlackKingSideCastle:
8270 case BlackQueenSideCastle:
8271 case WhiteKingSideCastleWild:
8272 case WhiteQueenSideCastleWild:
8273 case BlackKingSideCastleWild:
8274 case BlackQueenSideCastleWild:
8276 case WhiteHSideCastleFR:
8277 case WhiteASideCastleFR:
8278 case BlackHSideCastleFR:
8279 case BlackASideCastleFR:
8281 fromX = currentMoveString[0] - AAA;
8282 fromY = currentMoveString[1] - ONE;
8283 toX = currentMoveString[2] - AAA;
8284 toY = currentMoveString[3] - ONE;
8285 promoChar = currentMoveString[4];
8289 fromX = moveType == WhiteDrop ?
8290 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8291 (int) CharToPiece(ToLower(currentMoveString[0]));
8293 toX = currentMoveString[2] - AAA;
8294 toY = currentMoveString[3] - ONE;
8295 promoChar = NULLCHAR;
8299 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8300 if (appData.debugMode) {
8301 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8302 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8303 setbuf(debugFP, NULL);
8305 DisplayError(buf, 0);
8307 case ImpossibleMove:
8309 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8310 if (appData.debugMode) {
8311 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8312 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8313 setbuf(debugFP, NULL);
8315 DisplayError(buf, 0);
8318 if (boardIndex < backwardMostMove) {
8319 /* Oops, gap. How did that happen? */
8320 DisplayError(_("Gap in move list"), 0);
8323 backwardMostMove = blackPlaysFirst ? 1 : 0;
8324 if (boardIndex > forwardMostMove) {
8325 forwardMostMove = boardIndex;
8329 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8330 strcat(parseList[boardIndex-1], " ");
8331 strcat(parseList[boardIndex-1], yy_text);
8343 case GameUnfinished:
8344 if (gameMode == IcsExamining) {
8345 if (boardIndex < backwardMostMove) {
8346 /* Oops, gap. How did that happen? */
8349 backwardMostMove = blackPlaysFirst ? 1 : 0;
8352 gameInfo.result = moveType;
8353 p = strchr(yy_text, '{');
8354 if (p == NULL) p = strchr(yy_text, '(');
8357 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8359 q = strchr(p, *p == '{' ? '}' : ')');
8360 if (q != NULL) *q = NULLCHAR;
8363 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
8364 gameInfo.resultDetails = StrSave(p);
8367 if (boardIndex >= forwardMostMove &&
8368 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8369 backwardMostMove = blackPlaysFirst ? 1 : 0;
8372 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8373 fromY, fromX, toY, toX, promoChar,
8374 parseList[boardIndex]);
8375 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8376 /* currentMoveString is set as a side-effect of yylex */
8377 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8378 strcat(moveList[boardIndex], "\n");
8380 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8381 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8387 if(gameInfo.variant != VariantShogi)
8388 strcat(parseList[boardIndex - 1], "+");
8392 strcat(parseList[boardIndex - 1], "#");
8399 /* Apply a move to the given board */
8401 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8402 int fromX, fromY, toX, toY;
8406 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8407 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8409 /* [HGM] compute & store e.p. status and castling rights for new position */
8410 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8412 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8413 oldEP = (signed char)board[EP_STATUS];
8414 board[EP_STATUS] = EP_NONE;
8416 if( board[toY][toX] != EmptySquare )
8417 board[EP_STATUS] = EP_CAPTURE;
8419 if (fromY == DROP_RANK) {
8421 piece = board[toY][toX] = (ChessSquare) fromX;
8425 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
8426 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
8427 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
8429 if( board[fromY][fromX] == WhitePawn ) {
8430 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8431 board[EP_STATUS] = EP_PAWN_MOVE;
8433 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8434 gameInfo.variant != VariantBerolina || toX < fromX)
8435 board[EP_STATUS] = toX | berolina;
8436 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8437 gameInfo.variant != VariantBerolina || toX > fromX)
8438 board[EP_STATUS] = toX;
8441 if( board[fromY][fromX] == BlackPawn ) {
8442 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8443 board[EP_STATUS] = EP_PAWN_MOVE;
8444 if( toY-fromY== -2) {
8445 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8446 gameInfo.variant != VariantBerolina || toX < fromX)
8447 board[EP_STATUS] = toX | berolina;
8448 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8449 gameInfo.variant != VariantBerolina || toX > fromX)
8450 board[EP_STATUS] = toX;
8454 for(i=0; i<nrCastlingRights; i++) {
8455 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8456 board[CASTLING][i] == toX && castlingRank[i] == toY
8457 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8460 if (fromX == toX && fromY == toY) return;
8462 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8463 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8464 if(gameInfo.variant == VariantKnightmate)
8465 king += (int) WhiteUnicorn - (int) WhiteKing;
8467 /* Code added by Tord: */
8468 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
8469 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
8470 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
8471 board[fromY][fromX] = EmptySquare;
8472 board[toY][toX] = EmptySquare;
8473 if((toX > fromX) != (piece == WhiteRook)) {
8474 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8476 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8478 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
8479 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
8480 board[fromY][fromX] = EmptySquare;
8481 board[toY][toX] = EmptySquare;
8482 if((toX > fromX) != (piece == BlackRook)) {
8483 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8485 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8487 /* End of code added by Tord */
8489 } else if (board[fromY][fromX] == king
8490 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8491 && toY == fromY && toX > fromX+1) {
8492 board[fromY][fromX] = EmptySquare;
8493 board[toY][toX] = king;
8494 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8495 board[fromY][BOARD_RGHT-1] = EmptySquare;
8496 } else if (board[fromY][fromX] == king
8497 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8498 && toY == fromY && toX < fromX-1) {
8499 board[fromY][fromX] = EmptySquare;
8500 board[toY][toX] = king;
8501 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8502 board[fromY][BOARD_LEFT] = EmptySquare;
8503 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
8504 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
8505 && toY >= BOARD_HEIGHT-promoRank
8507 /* white pawn promotion */
8508 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8509 if (board[toY][toX] == EmptySquare) {
8510 board[toY][toX] = WhiteQueen;
8512 if(gameInfo.variant==VariantBughouse ||
8513 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8514 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8515 board[fromY][fromX] = EmptySquare;
8516 } else if ((fromY == BOARD_HEIGHT-4)
8518 && gameInfo.variant != VariantXiangqi
8519 && gameInfo.variant != VariantBerolina
8520 && (board[fromY][fromX] == WhitePawn)
8521 && (board[toY][toX] == EmptySquare)) {
8522 board[fromY][fromX] = EmptySquare;
8523 board[toY][toX] = WhitePawn;
8524 captured = board[toY - 1][toX];
8525 board[toY - 1][toX] = EmptySquare;
8526 } else if ((fromY == BOARD_HEIGHT-4)
8528 && gameInfo.variant == VariantBerolina
8529 && (board[fromY][fromX] == WhitePawn)
8530 && (board[toY][toX] == EmptySquare)) {
8531 board[fromY][fromX] = EmptySquare;
8532 board[toY][toX] = WhitePawn;
8533 if(oldEP & EP_BEROLIN_A) {
8534 captured = board[fromY][fromX-1];
8535 board[fromY][fromX-1] = EmptySquare;
8536 }else{ captured = board[fromY][fromX+1];
8537 board[fromY][fromX+1] = EmptySquare;
8539 } else if (board[fromY][fromX] == king
8540 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8541 && toY == fromY && toX > fromX+1) {
8542 board[fromY][fromX] = EmptySquare;
8543 board[toY][toX] = king;
8544 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8545 board[fromY][BOARD_RGHT-1] = EmptySquare;
8546 } else if (board[fromY][fromX] == king
8547 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8548 && toY == fromY && toX < fromX-1) {
8549 board[fromY][fromX] = EmptySquare;
8550 board[toY][toX] = king;
8551 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8552 board[fromY][BOARD_LEFT] = EmptySquare;
8553 } else if (fromY == 7 && fromX == 3
8554 && board[fromY][fromX] == BlackKing
8555 && toY == 7 && toX == 5) {
8556 board[fromY][fromX] = EmptySquare;
8557 board[toY][toX] = BlackKing;
8558 board[fromY][7] = EmptySquare;
8559 board[toY][4] = BlackRook;
8560 } else if (fromY == 7 && fromX == 3
8561 && board[fromY][fromX] == BlackKing
8562 && toY == 7 && toX == 1) {
8563 board[fromY][fromX] = EmptySquare;
8564 board[toY][toX] = BlackKing;
8565 board[fromY][0] = EmptySquare;
8566 board[toY][2] = BlackRook;
8567 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
8568 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
8571 /* black pawn promotion */
8572 board[toY][toX] = CharToPiece(ToLower(promoChar));
8573 if (board[toY][toX] == EmptySquare) {
8574 board[toY][toX] = BlackQueen;
8576 if(gameInfo.variant==VariantBughouse ||
8577 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8578 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8579 board[fromY][fromX] = EmptySquare;
8580 } else if ((fromY == 3)
8582 && gameInfo.variant != VariantXiangqi
8583 && gameInfo.variant != VariantBerolina
8584 && (board[fromY][fromX] == BlackPawn)
8585 && (board[toY][toX] == EmptySquare)) {
8586 board[fromY][fromX] = EmptySquare;
8587 board[toY][toX] = BlackPawn;
8588 captured = board[toY + 1][toX];
8589 board[toY + 1][toX] = EmptySquare;
8590 } else if ((fromY == 3)
8592 && gameInfo.variant == VariantBerolina
8593 && (board[fromY][fromX] == BlackPawn)
8594 && (board[toY][toX] == EmptySquare)) {
8595 board[fromY][fromX] = EmptySquare;
8596 board[toY][toX] = BlackPawn;
8597 if(oldEP & EP_BEROLIN_A) {
8598 captured = board[fromY][fromX-1];
8599 board[fromY][fromX-1] = EmptySquare;
8600 }else{ captured = board[fromY][fromX+1];
8601 board[fromY][fromX+1] = EmptySquare;
8604 board[toY][toX] = board[fromY][fromX];
8605 board[fromY][fromX] = EmptySquare;
8609 if (gameInfo.holdingsWidth != 0) {
8611 /* !!A lot more code needs to be written to support holdings */
8612 /* [HGM] OK, so I have written it. Holdings are stored in the */
8613 /* penultimate board files, so they are automaticlly stored */
8614 /* in the game history. */
8615 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
8616 && promoChar && piece != WhitePawn && piece != BlackPawn) {
8617 /* Delete from holdings, by decreasing count */
8618 /* and erasing image if necessary */
8619 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
8620 if(p < (int) BlackPawn) { /* white drop */
8621 p -= (int)WhitePawn;
8622 p = PieceToNumber((ChessSquare)p);
8623 if(p >= gameInfo.holdingsSize) p = 0;
8624 if(--board[p][BOARD_WIDTH-2] <= 0)
8625 board[p][BOARD_WIDTH-1] = EmptySquare;
8626 if((int)board[p][BOARD_WIDTH-2] < 0)
8627 board[p][BOARD_WIDTH-2] = 0;
8628 } else { /* black drop */
8629 p -= (int)BlackPawn;
8630 p = PieceToNumber((ChessSquare)p);
8631 if(p >= gameInfo.holdingsSize) p = 0;
8632 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8633 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8634 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8635 board[BOARD_HEIGHT-1-p][1] = 0;
8638 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8639 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
8640 /* [HGM] holdings: Add to holdings, if holdings exist */
8641 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8642 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8643 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8646 if (p >= (int) BlackPawn) {
8647 p -= (int)BlackPawn;
8648 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8649 /* in Shogi restore piece to its original first */
8650 captured = (ChessSquare) (DEMOTED captured);
8653 p = PieceToNumber((ChessSquare)p);
8654 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8655 board[p][BOARD_WIDTH-2]++;
8656 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8658 p -= (int)WhitePawn;
8659 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8660 captured = (ChessSquare) (DEMOTED captured);
8663 p = PieceToNumber((ChessSquare)p);
8664 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8665 board[BOARD_HEIGHT-1-p][1]++;
8666 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8669 } else if (gameInfo.variant == VariantAtomic) {
8670 if (captured != EmptySquare) {
8672 for (y = toY-1; y <= toY+1; y++) {
8673 for (x = toX-1; x <= toX+1; x++) {
8674 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8675 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8676 board[y][x] = EmptySquare;
8680 board[toY][toX] = EmptySquare;
8683 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
8684 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
8686 if(promoChar == '+') {
8687 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
8688 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8689 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
8690 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
8692 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8693 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8694 // [HGM] superchess: take promotion piece out of holdings
8695 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8696 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8697 if(!--board[k][BOARD_WIDTH-2])
8698 board[k][BOARD_WIDTH-1] = EmptySquare;
8700 if(!--board[BOARD_HEIGHT-1-k][1])
8701 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8707 /* Updates forwardMostMove */
8709 MakeMove(fromX, fromY, toX, toY, promoChar)
8710 int fromX, fromY, toX, toY;
8713 // forwardMostMove++; // [HGM] bare: moved downstream
8715 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8716 int timeLeft; static int lastLoadFlag=0; int king, piece;
8717 piece = boards[forwardMostMove][fromY][fromX];
8718 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8719 if(gameInfo.variant == VariantKnightmate)
8720 king += (int) WhiteUnicorn - (int) WhiteKing;
8721 if(forwardMostMove == 0) {
8723 fprintf(serverMoves, "%s;", second.tidy);
8724 fprintf(serverMoves, "%s;", first.tidy);
8725 if(!blackPlaysFirst)
8726 fprintf(serverMoves, "%s;", second.tidy);
8727 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8728 lastLoadFlag = loadFlag;
8730 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8731 // print castling suffix
8732 if( toY == fromY && piece == king ) {
8734 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8736 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8739 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8740 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8741 boards[forwardMostMove][toY][toX] == EmptySquare
8742 && fromX != toX && fromY != toY)
8743 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8745 if(promoChar != NULLCHAR)
8746 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8748 fprintf(serverMoves, "/%d/%d",
8749 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8750 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8751 else timeLeft = blackTimeRemaining/1000;
8752 fprintf(serverMoves, "/%d", timeLeft);
8754 fflush(serverMoves);
8757 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8758 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8762 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8763 if (commentList[forwardMostMove+1] != NULL) {
8764 free(commentList[forwardMostMove+1]);
8765 commentList[forwardMostMove+1] = NULL;
8767 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8768 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8769 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8770 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8771 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8772 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8773 gameInfo.result = GameUnfinished;
8774 if (gameInfo.resultDetails != NULL) {
8775 free(gameInfo.resultDetails);
8776 gameInfo.resultDetails = NULL;
8778 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8779 moveList[forwardMostMove - 1]);
8780 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8781 PosFlags(forwardMostMove - 1),
8782 fromY, fromX, toY, toX, promoChar,
8783 parseList[forwardMostMove - 1]);
8784 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8790 if(gameInfo.variant != VariantShogi)
8791 strcat(parseList[forwardMostMove - 1], "+");
8795 strcat(parseList[forwardMostMove - 1], "#");
8798 if (appData.debugMode) {
8799 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8804 /* Updates currentMove if not pausing */
8806 ShowMove(fromX, fromY, toX, toY)
8808 int instant = (gameMode == PlayFromGameFile) ?
8809 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8810 if(appData.noGUI) return;
8811 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8813 if (forwardMostMove == currentMove + 1) {
8814 AnimateMove(boards[forwardMostMove - 1],
8815 fromX, fromY, toX, toY);
8817 if (appData.highlightLastMove) {
8818 SetHighlights(fromX, fromY, toX, toY);
8821 currentMove = forwardMostMove;
8824 if (instant) return;
8826 DisplayMove(currentMove - 1);
8827 DrawPosition(FALSE, boards[currentMove]);
8828 DisplayBothClocks();
8829 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8832 void SendEgtPath(ChessProgramState *cps)
8833 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8834 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8836 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8839 char c, *q = name+1, *r, *s;
8841 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8842 while(*p && *p != ',') *q++ = *p++;
8844 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8845 strcmp(name, ",nalimov:") == 0 ) {
8846 // take nalimov path from the menu-changeable option first, if it is defined
8847 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8848 SendToProgram(buf,cps); // send egtbpath command for nalimov
8850 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8851 (s = StrStr(appData.egtFormats, name)) != NULL) {
8852 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8853 s = r = StrStr(s, ":") + 1; // beginning of path info
8854 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8855 c = *r; *r = 0; // temporarily null-terminate path info
8856 *--q = 0; // strip of trailig ':' from name
8857 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
8859 SendToProgram(buf,cps); // send egtbpath command for this format
8861 if(*p == ',') p++; // read away comma to position for next format name
8866 InitChessProgram(cps, setup)
8867 ChessProgramState *cps;
8868 int setup; /* [HGM] needed to setup FRC opening position */
8870 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8871 if (appData.noChessProgram) return;
8872 hintRequested = FALSE;
8873 bookRequested = FALSE;
8875 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8876 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8877 if(cps->memSize) { /* [HGM] memory */
8878 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8879 SendToProgram(buf, cps);
8881 SendEgtPath(cps); /* [HGM] EGT */
8882 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8883 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
8884 SendToProgram(buf, cps);
8887 SendToProgram(cps->initString, cps);
8888 if (gameInfo.variant != VariantNormal &&
8889 gameInfo.variant != VariantLoadable
8890 /* [HGM] also send variant if board size non-standard */
8891 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8893 char *v = VariantName(gameInfo.variant);
8894 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8895 /* [HGM] in protocol 1 we have to assume all variants valid */
8896 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
8897 DisplayFatalError(buf, 0, 1);
8901 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8902 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8903 if( gameInfo.variant == VariantXiangqi )
8904 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8905 if( gameInfo.variant == VariantShogi )
8906 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8907 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8908 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8909 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8910 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8911 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8912 if( gameInfo.variant == VariantCourier )
8913 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8914 if( gameInfo.variant == VariantSuper )
8915 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8916 if( gameInfo.variant == VariantGreat )
8917 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8918 if( gameInfo.variant == VariantSChess )
8919 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
8922 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8923 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8924 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8925 if(StrStr(cps->variants, b) == NULL) {
8926 // specific sized variant not known, check if general sizing allowed
8927 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8928 if(StrStr(cps->variants, "boardsize") == NULL) {
8929 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
8930 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8931 DisplayFatalError(buf, 0, 1);
8934 /* [HGM] here we really should compare with the maximum supported board size */
8937 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
8938 snprintf(buf, MSG_SIZ, "variant %s\n", b);
8939 SendToProgram(buf, cps);
8941 currentlyInitializedVariant = gameInfo.variant;
8943 /* [HGM] send opening position in FRC to first engine */
8945 SendToProgram("force\n", cps);
8947 /* engine is now in force mode! Set flag to wake it up after first move. */
8948 setboardSpoiledMachineBlack = 1;
8952 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8953 SendToProgram(buf, cps);
8955 cps->maybeThinking = FALSE;
8956 cps->offeredDraw = 0;
8957 if (!appData.icsActive) {
8958 SendTimeControl(cps, movesPerSession, timeControl,
8959 timeIncrement, appData.searchDepth,
8962 if (appData.showThinking
8963 // [HGM] thinking: four options require thinking output to be sent
8964 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8966 SendToProgram("post\n", cps);
8968 SendToProgram("hard\n", cps);
8969 if (!appData.ponderNextMove) {
8970 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8971 it without being sure what state we are in first. "hard"
8972 is not a toggle, so that one is OK.
8974 SendToProgram("easy\n", cps);
8977 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
8978 SendToProgram(buf, cps);
8980 cps->initDone = TRUE;
8985 StartChessProgram(cps)
8986 ChessProgramState *cps;
8991 if (appData.noChessProgram) return;
8992 cps->initDone = FALSE;
8994 if (strcmp(cps->host, "localhost") == 0) {
8995 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8996 } else if (*appData.remoteShell == NULLCHAR) {
8997 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8999 if (*appData.remoteUser == NULLCHAR) {
9000 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9003 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9004 cps->host, appData.remoteUser, cps->program);
9006 err = StartChildProcess(buf, "", &cps->pr);
9010 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9011 DisplayFatalError(buf, err, 1);
9017 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9018 if (cps->protocolVersion > 1) {
9019 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9020 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9021 cps->comboCnt = 0; // and values of combo boxes
9022 SendToProgram(buf, cps);
9024 SendToProgram("xboard\n", cps);
9030 TwoMachinesEventIfReady P((void))
9032 if (first.lastPing != first.lastPong) {
9033 DisplayMessage("", _("Waiting for first chess program"));
9034 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9037 if (second.lastPing != second.lastPong) {
9038 DisplayMessage("", _("Waiting for second chess program"));
9039 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9047 NextMatchGame P((void))
9049 int index; /* [HGM] autoinc: step load index during match */
9051 if (*appData.loadGameFile != NULLCHAR) {
9052 index = appData.loadGameIndex;
9053 if(index < 0) { // [HGM] autoinc
9054 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9055 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9057 LoadGameFromFile(appData.loadGameFile,
9059 appData.loadGameFile, FALSE);
9060 } else if (*appData.loadPositionFile != NULLCHAR) {
9061 index = appData.loadPositionIndex;
9062 if(index < 0) { // [HGM] autoinc
9063 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9064 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9066 LoadPositionFromFile(appData.loadPositionFile,
9068 appData.loadPositionFile);
9070 TwoMachinesEventIfReady();
9073 void UserAdjudicationEvent( int result )
9075 ChessMove gameResult = GameIsDrawn;
9078 gameResult = WhiteWins;
9080 else if( result < 0 ) {
9081 gameResult = BlackWins;
9084 if( gameMode == TwoMachinesPlay ) {
9085 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9090 // [HGM] save: calculate checksum of game to make games easily identifiable
9091 int StringCheckSum(char *s)
9094 if(s==NULL) return 0;
9095 while(*s) i = i*259 + *s++;
9102 for(i=backwardMostMove; i<forwardMostMove; i++) {
9103 sum += pvInfoList[i].depth;
9104 sum += StringCheckSum(parseList[i]);
9105 sum += StringCheckSum(commentList[i]);
9108 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9109 return sum + StringCheckSum(commentList[i]);
9110 } // end of save patch
9113 GameEnds(result, resultDetails, whosays)
9115 char *resultDetails;
9118 GameMode nextGameMode;
9120 char buf[MSG_SIZ], popupRequested = 0;
9122 if(endingGame) return; /* [HGM] crash: forbid recursion */
9124 if(twoBoards) { // [HGM] dual: switch back to one board
9125 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9126 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9128 if (appData.debugMode) {
9129 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9130 result, resultDetails ? resultDetails : "(null)", whosays);
9133 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9135 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9136 /* If we are playing on ICS, the server decides when the
9137 game is over, but the engine can offer to draw, claim
9141 if (appData.zippyPlay && first.initDone) {
9142 if (result == GameIsDrawn) {
9143 /* In case draw still needs to be claimed */
9144 SendToICS(ics_prefix);
9145 SendToICS("draw\n");
9146 } else if (StrCaseStr(resultDetails, "resign")) {
9147 SendToICS(ics_prefix);
9148 SendToICS("resign\n");
9152 endingGame = 0; /* [HGM] crash */
9156 /* If we're loading the game from a file, stop */
9157 if (whosays == GE_FILE) {
9158 (void) StopLoadGameTimer();
9162 /* Cancel draw offers */
9163 first.offeredDraw = second.offeredDraw = 0;
9165 /* If this is an ICS game, only ICS can really say it's done;
9166 if not, anyone can. */
9167 isIcsGame = (gameMode == IcsPlayingWhite ||
9168 gameMode == IcsPlayingBlack ||
9169 gameMode == IcsObserving ||
9170 gameMode == IcsExamining);
9172 if (!isIcsGame || whosays == GE_ICS) {
9173 /* OK -- not an ICS game, or ICS said it was done */
9175 if (!isIcsGame && !appData.noChessProgram)
9176 SetUserThinkingEnables();
9178 /* [HGM] if a machine claims the game end we verify this claim */
9179 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9180 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9182 ChessMove trueResult = (ChessMove) -1;
9184 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9185 first.twoMachinesColor[0] :
9186 second.twoMachinesColor[0] ;
9188 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9189 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9190 /* [HGM] verify: engine mate claims accepted if they were flagged */
9191 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9193 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9194 /* [HGM] verify: engine mate claims accepted if they were flagged */
9195 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9197 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9198 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9201 // now verify win claims, but not in drop games, as we don't understand those yet
9202 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9203 || gameInfo.variant == VariantGreat) &&
9204 (result == WhiteWins && claimer == 'w' ||
9205 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9206 if (appData.debugMode) {
9207 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9208 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9210 if(result != trueResult) {
9211 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
9212 result = claimer == 'w' ? BlackWins : WhiteWins;
9213 resultDetails = buf;
9216 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9217 && (forwardMostMove <= backwardMostMove ||
9218 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9219 (claimer=='b')==(forwardMostMove&1))
9221 /* [HGM] verify: draws that were not flagged are false claims */
9222 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
9223 result = claimer == 'w' ? BlackWins : WhiteWins;
9224 resultDetails = buf;
9226 /* (Claiming a loss is accepted no questions asked!) */
9228 /* [HGM] bare: don't allow bare King to win */
9229 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9230 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9231 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9232 && result != GameIsDrawn)
9233 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9234 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9235 int p = (signed char)boards[forwardMostMove][i][j] - color;
9236 if(p >= 0 && p <= (int)WhiteKing) k++;
9238 if (appData.debugMode) {
9239 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9240 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9243 result = GameIsDrawn;
9244 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
9245 resultDetails = buf;
9251 if(serverMoves != NULL && !loadFlag) { char c = '=';
9252 if(result==WhiteWins) c = '+';
9253 if(result==BlackWins) c = '-';
9254 if(resultDetails != NULL)
9255 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9257 if (resultDetails != NULL) {
9258 gameInfo.result = result;
9259 gameInfo.resultDetails = StrSave(resultDetails);
9261 /* display last move only if game was not loaded from file */
9262 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9263 DisplayMove(currentMove - 1);
9265 if (forwardMostMove != 0) {
9266 if (gameMode != PlayFromGameFile && gameMode != EditGame
9267 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9269 if (*appData.saveGameFile != NULLCHAR) {
9270 SaveGameToFile(appData.saveGameFile, TRUE);
9271 } else if (appData.autoSaveGames) {
9274 if (*appData.savePositionFile != NULLCHAR) {
9275 SavePositionToFile(appData.savePositionFile);
9280 /* Tell program how game ended in case it is learning */
9281 /* [HGM] Moved this to after saving the PGN, just in case */
9282 /* engine died and we got here through time loss. In that */
9283 /* case we will get a fatal error writing the pipe, which */
9284 /* would otherwise lose us the PGN. */
9285 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9286 /* output during GameEnds should never be fatal anymore */
9287 if (gameMode == MachinePlaysWhite ||
9288 gameMode == MachinePlaysBlack ||
9289 gameMode == TwoMachinesPlay ||
9290 gameMode == IcsPlayingWhite ||
9291 gameMode == IcsPlayingBlack ||
9292 gameMode == BeginningOfGame) {
9294 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
9296 if (first.pr != NoProc) {
9297 SendToProgram(buf, &first);
9299 if (second.pr != NoProc &&
9300 gameMode == TwoMachinesPlay) {
9301 SendToProgram(buf, &second);
9306 if (appData.icsActive) {
9307 if (appData.quietPlay &&
9308 (gameMode == IcsPlayingWhite ||
9309 gameMode == IcsPlayingBlack)) {
9310 SendToICS(ics_prefix);
9311 SendToICS("set shout 1\n");
9313 nextGameMode = IcsIdle;
9314 ics_user_moved = FALSE;
9315 /* clean up premove. It's ugly when the game has ended and the
9316 * premove highlights are still on the board.
9320 ClearPremoveHighlights();
9321 DrawPosition(FALSE, boards[currentMove]);
9323 if (whosays == GE_ICS) {
9326 if (gameMode == IcsPlayingWhite)
9328 else if(gameMode == IcsPlayingBlack)
9332 if (gameMode == IcsPlayingBlack)
9334 else if(gameMode == IcsPlayingWhite)
9341 PlayIcsUnfinishedSound();
9344 } else if (gameMode == EditGame ||
9345 gameMode == PlayFromGameFile ||
9346 gameMode == AnalyzeMode ||
9347 gameMode == AnalyzeFile) {
9348 nextGameMode = gameMode;
9350 nextGameMode = EndOfGame;
9355 nextGameMode = gameMode;
9358 if (appData.noChessProgram) {
9359 gameMode = nextGameMode;
9361 endingGame = 0; /* [HGM] crash */
9366 /* Put first chess program into idle state */
9367 if (first.pr != NoProc &&
9368 (gameMode == MachinePlaysWhite ||
9369 gameMode == MachinePlaysBlack ||
9370 gameMode == TwoMachinesPlay ||
9371 gameMode == IcsPlayingWhite ||
9372 gameMode == IcsPlayingBlack ||
9373 gameMode == BeginningOfGame)) {
9374 SendToProgram("force\n", &first);
9375 if (first.usePing) {
9377 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
9378 SendToProgram(buf, &first);
9381 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9382 /* Kill off first chess program */
9383 if (first.isr != NULL)
9384 RemoveInputSource(first.isr);
9387 if (first.pr != NoProc) {
9389 DoSleep( appData.delayBeforeQuit );
9390 SendToProgram("quit\n", &first);
9391 DoSleep( appData.delayAfterQuit );
9392 DestroyChildProcess(first.pr, first.useSigterm);
9397 /* Put second chess program into idle state */
9398 if (second.pr != NoProc &&
9399 gameMode == TwoMachinesPlay) {
9400 SendToProgram("force\n", &second);
9401 if (second.usePing) {
9403 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
9404 SendToProgram(buf, &second);
9407 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9408 /* Kill off second chess program */
9409 if (second.isr != NULL)
9410 RemoveInputSource(second.isr);
9413 if (second.pr != NoProc) {
9414 DoSleep( appData.delayBeforeQuit );
9415 SendToProgram("quit\n", &second);
9416 DoSleep( appData.delayAfterQuit );
9417 DestroyChildProcess(second.pr, second.useSigterm);
9422 if (matchMode && gameMode == TwoMachinesPlay) {
9425 if (first.twoMachinesColor[0] == 'w') {
9432 if (first.twoMachinesColor[0] == 'b') {
9441 if (matchGame < appData.matchGames) {
9443 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9444 tmp = first.twoMachinesColor;
9445 first.twoMachinesColor = second.twoMachinesColor;
9446 second.twoMachinesColor = tmp;
9448 gameMode = nextGameMode;
9450 if(appData.matchPause>10000 || appData.matchPause<10)
9451 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9452 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9453 endingGame = 0; /* [HGM] crash */
9456 gameMode = nextGameMode;
9457 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
9458 first.tidy, second.tidy,
9459 first.matchWins, second.matchWins,
9460 appData.matchGames - (first.matchWins + second.matchWins));
9461 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
9462 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
9463 first.twoMachinesColor = "black\n";
9464 second.twoMachinesColor = "white\n";
9466 first.twoMachinesColor = "white\n";
9467 second.twoMachinesColor = "black\n";
9471 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9472 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9474 gameMode = nextGameMode;
9476 endingGame = 0; /* [HGM] crash */
9477 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
9478 if(matchMode == TRUE) DisplayFatalError(buf, 0, 0); else {
9479 matchMode = FALSE; appData.matchGames = matchGame = 0;
9485 /* Assumes program was just initialized (initString sent).
9486 Leaves program in force mode. */
9488 FeedMovesToProgram(cps, upto)
9489 ChessProgramState *cps;
9494 if (appData.debugMode)
9495 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9496 startedFromSetupPosition ? "position and " : "",
9497 backwardMostMove, upto, cps->which);
9498 if(currentlyInitializedVariant != gameInfo.variant) {
9500 // [HGM] variantswitch: make engine aware of new variant
9501 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9502 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9503 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
9504 SendToProgram(buf, cps);
9505 currentlyInitializedVariant = gameInfo.variant;
9507 SendToProgram("force\n", cps);
9508 if (startedFromSetupPosition) {
9509 SendBoard(cps, backwardMostMove);
9510 if (appData.debugMode) {
9511 fprintf(debugFP, "feedMoves\n");
9514 for (i = backwardMostMove; i < upto; i++) {
9515 SendMoveToProgram(i, cps);
9521 ResurrectChessProgram()
9523 /* The chess program may have exited.
9524 If so, restart it and feed it all the moves made so far. */
9526 if (appData.noChessProgram || first.pr != NoProc) return;
9528 StartChessProgram(&first);
9529 InitChessProgram(&first, FALSE);
9530 FeedMovesToProgram(&first, currentMove);
9532 if (!first.sendTime) {
9533 /* can't tell gnuchess what its clock should read,
9534 so we bow to its notion. */
9536 timeRemaining[0][currentMove] = whiteTimeRemaining;
9537 timeRemaining[1][currentMove] = blackTimeRemaining;
9540 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9541 appData.icsEngineAnalyze) && first.analysisSupport) {
9542 SendToProgram("analyze\n", &first);
9543 first.analyzing = TRUE;
9556 if (appData.debugMode) {
9557 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9558 redraw, init, gameMode);
9560 CleanupTail(); // [HGM] vari: delete any stored variations
9561 pausing = pauseExamInvalid = FALSE;
9562 startedFromSetupPosition = blackPlaysFirst = FALSE;
9564 whiteFlag = blackFlag = FALSE;
9565 userOfferedDraw = FALSE;
9566 hintRequested = bookRequested = FALSE;
9567 first.maybeThinking = FALSE;
9568 second.maybeThinking = FALSE;
9569 first.bookSuspend = FALSE; // [HGM] book
9570 second.bookSuspend = FALSE;
9571 thinkOutput[0] = NULLCHAR;
9572 lastHint[0] = NULLCHAR;
9573 ClearGameInfo(&gameInfo);
9574 gameInfo.variant = StringToVariant(appData.variant);
9575 ics_user_moved = ics_clock_paused = FALSE;
9576 ics_getting_history = H_FALSE;
9578 white_holding[0] = black_holding[0] = NULLCHAR;
9579 ClearProgramStats();
9580 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9584 flipView = appData.flipView;
9585 ClearPremoveHighlights();
9587 alarmSounded = FALSE;
9589 GameEnds(EndOfFile, NULL, GE_PLAYER);
9590 if(appData.serverMovesName != NULL) {
9591 /* [HGM] prepare to make moves file for broadcasting */
9592 clock_t t = clock();
9593 if(serverMoves != NULL) fclose(serverMoves);
9594 serverMoves = fopen(appData.serverMovesName, "r");
9595 if(serverMoves != NULL) {
9596 fclose(serverMoves);
9597 /* delay 15 sec before overwriting, so all clients can see end */
9598 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9600 serverMoves = fopen(appData.serverMovesName, "w");
9604 gameMode = BeginningOfGame;
9606 if(appData.icsActive) gameInfo.variant = VariantNormal;
9607 currentMove = forwardMostMove = backwardMostMove = 0;
9608 InitPosition(redraw);
9609 for (i = 0; i < MAX_MOVES; i++) {
9610 if (commentList[i] != NULL) {
9611 free(commentList[i]);
9612 commentList[i] = NULL;
9616 timeRemaining[0][0] = whiteTimeRemaining;
9617 timeRemaining[1][0] = blackTimeRemaining;
9618 if (first.pr == NULL) {
9619 StartChessProgram(&first);
9622 InitChessProgram(&first, startedFromSetupPosition);
9625 DisplayMessage("", "");
9626 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9627 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9634 if (!AutoPlayOneMove())
9636 if (matchMode || appData.timeDelay == 0)
9638 if (appData.timeDelay < 0)
9640 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9649 int fromX, fromY, toX, toY;
9651 if (appData.debugMode) {
9652 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9655 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
9658 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
9659 pvInfoList[currentMove].depth = programStats.depth;
9660 pvInfoList[currentMove].score = programStats.score;
9661 pvInfoList[currentMove].time = 0;
9662 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
9665 if (currentMove >= forwardMostMove) {
9666 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
9667 gameMode = EditGame;
9670 /* [AS] Clear current move marker at the end of a game */
9671 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9676 toX = moveList[currentMove][2] - AAA;
9677 toY = moveList[currentMove][3] - ONE;
9679 if (moveList[currentMove][1] == '@') {
9680 if (appData.highlightLastMove) {
9681 SetHighlights(-1, -1, toX, toY);
9684 fromX = moveList[currentMove][0] - AAA;
9685 fromY = moveList[currentMove][1] - ONE;
9687 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9689 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9691 if (appData.highlightLastMove) {
9692 SetHighlights(fromX, fromY, toX, toY);
9695 DisplayMove(currentMove);
9696 SendMoveToProgram(currentMove++, &first);
9697 DisplayBothClocks();
9698 DrawPosition(FALSE, boards[currentMove]);
9699 // [HGM] PV info: always display, routine tests if empty
9700 DisplayComment(currentMove - 1, commentList[currentMove]);
9706 LoadGameOneMove(readAhead)
9707 ChessMove readAhead;
9709 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9710 char promoChar = NULLCHAR;
9715 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9716 gameMode != AnalyzeMode && gameMode != Training) {
9721 yyboardindex = forwardMostMove;
9722 if (readAhead != EndOfFile) {
9723 moveType = readAhead;
9725 if (gameFileFP == NULL)
9727 moveType = (ChessMove) Myylex();
9733 if (appData.debugMode)
9734 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9737 /* append the comment but don't display it */
9738 AppendComment(currentMove, p, FALSE);
9741 case WhiteCapturesEnPassant:
9742 case BlackCapturesEnPassant:
9743 case WhitePromotion:
9744 case BlackPromotion:
9745 case WhiteNonPromotion:
9746 case BlackNonPromotion:
9748 case WhiteKingSideCastle:
9749 case WhiteQueenSideCastle:
9750 case BlackKingSideCastle:
9751 case BlackQueenSideCastle:
9752 case WhiteKingSideCastleWild:
9753 case WhiteQueenSideCastleWild:
9754 case BlackKingSideCastleWild:
9755 case BlackQueenSideCastleWild:
9757 case WhiteHSideCastleFR:
9758 case WhiteASideCastleFR:
9759 case BlackHSideCastleFR:
9760 case BlackASideCastleFR:
9762 if (appData.debugMode)
9763 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9764 fromX = currentMoveString[0] - AAA;
9765 fromY = currentMoveString[1] - ONE;
9766 toX = currentMoveString[2] - AAA;
9767 toY = currentMoveString[3] - ONE;
9768 promoChar = currentMoveString[4];
9773 if (appData.debugMode)
9774 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9775 fromX = moveType == WhiteDrop ?
9776 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9777 (int) CharToPiece(ToLower(currentMoveString[0]));
9779 toX = currentMoveString[2] - AAA;
9780 toY = currentMoveString[3] - ONE;
9786 case GameUnfinished:
9787 if (appData.debugMode)
9788 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9789 p = strchr(yy_text, '{');
9790 if (p == NULL) p = strchr(yy_text, '(');
9793 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9795 q = strchr(p, *p == '{' ? '}' : ')');
9796 if (q != NULL) *q = NULLCHAR;
9799 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9800 GameEnds(moveType, p, GE_FILE);
9802 if (cmailMsgLoaded) {
9804 flipView = WhiteOnMove(currentMove);
9805 if (moveType == GameUnfinished) flipView = !flipView;
9806 if (appData.debugMode)
9807 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9812 if (appData.debugMode)
9813 fprintf(debugFP, "Parser hit end of file\n");
9814 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9820 if (WhiteOnMove(currentMove)) {
9821 GameEnds(BlackWins, "Black mates", GE_FILE);
9823 GameEnds(WhiteWins, "White mates", GE_FILE);
9827 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9834 if (lastLoadGameStart == GNUChessGame) {
9835 /* GNUChessGames have numbers, but they aren't move numbers */
9836 if (appData.debugMode)
9837 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9838 yy_text, (int) moveType);
9839 return LoadGameOneMove(EndOfFile); /* tail recursion */
9841 /* else fall thru */
9846 /* Reached start of next game in file */
9847 if (appData.debugMode)
9848 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9849 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9855 if (WhiteOnMove(currentMove)) {
9856 GameEnds(BlackWins, "Black mates", GE_FILE);
9858 GameEnds(WhiteWins, "White mates", GE_FILE);
9862 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9868 case PositionDiagram: /* should not happen; ignore */
9869 case ElapsedTime: /* ignore */
9870 case NAG: /* ignore */
9871 if (appData.debugMode)
9872 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9873 yy_text, (int) moveType);
9874 return LoadGameOneMove(EndOfFile); /* tail recursion */
9877 if (appData.testLegality) {
9878 if (appData.debugMode)
9879 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9880 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9881 (forwardMostMove / 2) + 1,
9882 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9883 DisplayError(move, 0);
9886 if (appData.debugMode)
9887 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9888 yy_text, currentMoveString);
9889 fromX = currentMoveString[0] - AAA;
9890 fromY = currentMoveString[1] - ONE;
9891 toX = currentMoveString[2] - AAA;
9892 toY = currentMoveString[3] - ONE;
9893 promoChar = currentMoveString[4];
9898 if (appData.debugMode)
9899 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9900 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
9901 (forwardMostMove / 2) + 1,
9902 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9903 DisplayError(move, 0);
9908 case ImpossibleMove:
9909 if (appData.debugMode)
9910 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9911 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9912 (forwardMostMove / 2) + 1,
9913 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9914 DisplayError(move, 0);
9920 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9921 DrawPosition(FALSE, boards[currentMove]);
9922 DisplayBothClocks();
9923 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9924 DisplayComment(currentMove - 1, commentList[currentMove]);
9926 (void) StopLoadGameTimer();
9928 cmailOldMove = forwardMostMove;
9931 /* currentMoveString is set as a side-effect of yylex */
9932 strcat(currentMoveString, "\n");
9933 safeStrCpy(moveList[forwardMostMove], currentMoveString, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
9935 thinkOutput[0] = NULLCHAR;
9936 MakeMove(fromX, fromY, toX, toY, promoChar);
9937 currentMove = forwardMostMove;
9942 /* Load the nth game from the given file */
9944 LoadGameFromFile(filename, n, title, useList)
9948 /*Boolean*/ int useList;
9953 if (strcmp(filename, "-") == 0) {
9957 f = fopen(filename, "rb");
9959 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9960 DisplayError(buf, errno);
9964 if (fseek(f, 0, 0) == -1) {
9965 /* f is not seekable; probably a pipe */
9968 if (useList && n == 0) {
9969 int error = GameListBuild(f);
9971 DisplayError(_("Cannot build game list"), error);
9972 } else if (!ListEmpty(&gameList) &&
9973 ((ListGame *) gameList.tailPred)->number > 1) {
9974 GameListPopUp(f, title);
9981 return LoadGame(f, n, title, FALSE);
9986 MakeRegisteredMove()
9988 int fromX, fromY, toX, toY;
9990 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9991 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9994 if (appData.debugMode)
9995 fprintf(debugFP, "Restoring %s for game %d\n",
9996 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9998 thinkOutput[0] = NULLCHAR;
9999 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
10000 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
10001 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
10002 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
10003 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
10004 promoChar = cmailMove[lastLoadGameNumber - 1][4];
10005 MakeMove(fromX, fromY, toX, toY, promoChar);
10006 ShowMove(fromX, fromY, toX, toY);
10008 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10015 if (WhiteOnMove(currentMove)) {
10016 GameEnds(BlackWins, "Black mates", GE_PLAYER);
10018 GameEnds(WhiteWins, "White mates", GE_PLAYER);
10023 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
10030 if (WhiteOnMove(currentMove)) {
10031 GameEnds(BlackWins, "White resigns", GE_PLAYER);
10033 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
10038 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
10049 /* Wrapper around LoadGame for use when a Cmail message is loaded */
10051 CmailLoadGame(f, gameNumber, title, useList)
10059 if (gameNumber > nCmailGames) {
10060 DisplayError(_("No more games in this message"), 0);
10063 if (f == lastLoadGameFP) {
10064 int offset = gameNumber - lastLoadGameNumber;
10066 cmailMsg[0] = NULLCHAR;
10067 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10068 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10069 nCmailMovesRegistered--;
10071 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
10072 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
10073 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10076 if (! RegisterMove()) return FALSE;
10080 retVal = LoadGame(f, gameNumber, title, useList);
10082 /* Make move registered during previous look at this game, if any */
10083 MakeRegisteredMove();
10085 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10086 commentList[currentMove]
10087 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10088 DisplayComment(currentMove - 1, commentList[currentMove]);
10094 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10099 int gameNumber = lastLoadGameNumber + offset;
10100 if (lastLoadGameFP == NULL) {
10101 DisplayError(_("No game has been loaded yet"), 0);
10104 if (gameNumber <= 0) {
10105 DisplayError(_("Can't back up any further"), 0);
10108 if (cmailMsgLoaded) {
10109 return CmailLoadGame(lastLoadGameFP, gameNumber,
10110 lastLoadGameTitle, lastLoadGameUseList);
10112 return LoadGame(lastLoadGameFP, gameNumber,
10113 lastLoadGameTitle, lastLoadGameUseList);
10119 /* Load the nth game from open file f */
10121 LoadGame(f, gameNumber, title, useList)
10129 int gn = gameNumber;
10130 ListGame *lg = NULL;
10131 int numPGNTags = 0;
10133 GameMode oldGameMode;
10134 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10136 if (appData.debugMode)
10137 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10139 if (gameMode == Training )
10140 SetTrainingModeOff();
10142 oldGameMode = gameMode;
10143 if (gameMode != BeginningOfGame) {
10144 Reset(FALSE, TRUE);
10148 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10149 fclose(lastLoadGameFP);
10153 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10156 fseek(f, lg->offset, 0);
10157 GameListHighlight(gameNumber);
10161 DisplayError(_("Game number out of range"), 0);
10166 if (fseek(f, 0, 0) == -1) {
10167 if (f == lastLoadGameFP ?
10168 gameNumber == lastLoadGameNumber + 1 :
10172 DisplayError(_("Can't seek on game file"), 0);
10177 lastLoadGameFP = f;
10178 lastLoadGameNumber = gameNumber;
10179 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
10180 lastLoadGameUseList = useList;
10184 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10185 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10186 lg->gameInfo.black);
10188 } else if (*title != NULLCHAR) {
10189 if (gameNumber > 1) {
10190 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
10193 DisplayTitle(title);
10197 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10198 gameMode = PlayFromGameFile;
10202 currentMove = forwardMostMove = backwardMostMove = 0;
10203 CopyBoard(boards[0], initialPosition);
10207 * Skip the first gn-1 games in the file.
10208 * Also skip over anything that precedes an identifiable
10209 * start of game marker, to avoid being confused by
10210 * garbage at the start of the file. Currently
10211 * recognized start of game markers are the move number "1",
10212 * the pattern "gnuchess .* game", the pattern
10213 * "^[#;%] [^ ]* game file", and a PGN tag block.
10214 * A game that starts with one of the latter two patterns
10215 * will also have a move number 1, possibly
10216 * following a position diagram.
10217 * 5-4-02: Let's try being more lenient and allowing a game to
10218 * start with an unnumbered move. Does that break anything?
10220 cm = lastLoadGameStart = EndOfFile;
10222 yyboardindex = forwardMostMove;
10223 cm = (ChessMove) Myylex();
10226 if (cmailMsgLoaded) {
10227 nCmailGames = CMAIL_MAX_GAMES - gn;
10230 DisplayError(_("Game not found in file"), 0);
10237 lastLoadGameStart = cm;
10240 case MoveNumberOne:
10241 switch (lastLoadGameStart) {
10246 case MoveNumberOne:
10248 gn--; /* count this game */
10249 lastLoadGameStart = cm;
10258 switch (lastLoadGameStart) {
10261 case MoveNumberOne:
10263 gn--; /* count this game */
10264 lastLoadGameStart = cm;
10267 lastLoadGameStart = cm; /* game counted already */
10275 yyboardindex = forwardMostMove;
10276 cm = (ChessMove) Myylex();
10277 } while (cm == PGNTag || cm == Comment);
10284 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10285 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10286 != CMAIL_OLD_RESULT) {
10288 cmailResult[ CMAIL_MAX_GAMES
10289 - gn - 1] = CMAIL_OLD_RESULT;
10295 /* Only a NormalMove can be at the start of a game
10296 * without a position diagram. */
10297 if (lastLoadGameStart == EndOfFile ) {
10299 lastLoadGameStart = MoveNumberOne;
10308 if (appData.debugMode)
10309 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10311 if (cm == XBoardGame) {
10312 /* Skip any header junk before position diagram and/or move 1 */
10314 yyboardindex = forwardMostMove;
10315 cm = (ChessMove) Myylex();
10317 if (cm == EndOfFile ||
10318 cm == GNUChessGame || cm == XBoardGame) {
10319 /* Empty game; pretend end-of-file and handle later */
10324 if (cm == MoveNumberOne || cm == PositionDiagram ||
10325 cm == PGNTag || cm == Comment)
10328 } else if (cm == GNUChessGame) {
10329 if (gameInfo.event != NULL) {
10330 free(gameInfo.event);
10332 gameInfo.event = StrSave(yy_text);
10335 startedFromSetupPosition = FALSE;
10336 while (cm == PGNTag) {
10337 if (appData.debugMode)
10338 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10339 err = ParsePGNTag(yy_text, &gameInfo);
10340 if (!err) numPGNTags++;
10342 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10343 if(gameInfo.variant != oldVariant) {
10344 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10345 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
10346 InitPosition(TRUE);
10347 oldVariant = gameInfo.variant;
10348 if (appData.debugMode)
10349 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10353 if (gameInfo.fen != NULL) {
10354 Board initial_position;
10355 startedFromSetupPosition = TRUE;
10356 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10358 DisplayError(_("Bad FEN position in file"), 0);
10361 CopyBoard(boards[0], initial_position);
10362 if (blackPlaysFirst) {
10363 currentMove = forwardMostMove = backwardMostMove = 1;
10364 CopyBoard(boards[1], initial_position);
10365 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10366 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10367 timeRemaining[0][1] = whiteTimeRemaining;
10368 timeRemaining[1][1] = blackTimeRemaining;
10369 if (commentList[0] != NULL) {
10370 commentList[1] = commentList[0];
10371 commentList[0] = NULL;
10374 currentMove = forwardMostMove = backwardMostMove = 0;
10376 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10378 initialRulePlies = FENrulePlies;
10379 for( i=0; i< nrCastlingRights; i++ )
10380 initialRights[i] = initial_position[CASTLING][i];
10382 yyboardindex = forwardMostMove;
10383 free(gameInfo.fen);
10384 gameInfo.fen = NULL;
10387 yyboardindex = forwardMostMove;
10388 cm = (ChessMove) Myylex();
10390 /* Handle comments interspersed among the tags */
10391 while (cm == Comment) {
10393 if (appData.debugMode)
10394 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10396 AppendComment(currentMove, p, FALSE);
10397 yyboardindex = forwardMostMove;
10398 cm = (ChessMove) Myylex();
10402 /* don't rely on existence of Event tag since if game was
10403 * pasted from clipboard the Event tag may not exist
10405 if (numPGNTags > 0){
10407 if (gameInfo.variant == VariantNormal) {
10408 VariantClass v = StringToVariant(gameInfo.event);
10409 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10410 if(v < VariantShogi) gameInfo.variant = v;
10413 if( appData.autoDisplayTags ) {
10414 tags = PGNTags(&gameInfo);
10415 TagsPopUp(tags, CmailMsg());
10420 /* Make something up, but don't display it now */
10425 if (cm == PositionDiagram) {
10428 Board initial_position;
10430 if (appData.debugMode)
10431 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10433 if (!startedFromSetupPosition) {
10435 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10436 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10446 initial_position[i][j++] = CharToPiece(*p);
10449 while (*p == ' ' || *p == '\t' ||
10450 *p == '\n' || *p == '\r') p++;
10452 if (strncmp(p, "black", strlen("black"))==0)
10453 blackPlaysFirst = TRUE;
10455 blackPlaysFirst = FALSE;
10456 startedFromSetupPosition = TRUE;
10458 CopyBoard(boards[0], initial_position);
10459 if (blackPlaysFirst) {
10460 currentMove = forwardMostMove = backwardMostMove = 1;
10461 CopyBoard(boards[1], initial_position);
10462 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10463 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10464 timeRemaining[0][1] = whiteTimeRemaining;
10465 timeRemaining[1][1] = blackTimeRemaining;
10466 if (commentList[0] != NULL) {
10467 commentList[1] = commentList[0];
10468 commentList[0] = NULL;
10471 currentMove = forwardMostMove = backwardMostMove = 0;
10474 yyboardindex = forwardMostMove;
10475 cm = (ChessMove) Myylex();
10478 if (first.pr == NoProc) {
10479 StartChessProgram(&first);
10481 InitChessProgram(&first, FALSE);
10482 SendToProgram("force\n", &first);
10483 if (startedFromSetupPosition) {
10484 SendBoard(&first, forwardMostMove);
10485 if (appData.debugMode) {
10486 fprintf(debugFP, "Load Game\n");
10488 DisplayBothClocks();
10491 /* [HGM] server: flag to write setup moves in broadcast file as one */
10492 loadFlag = appData.suppressLoadMoves;
10494 while (cm == Comment) {
10496 if (appData.debugMode)
10497 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10499 AppendComment(currentMove, p, FALSE);
10500 yyboardindex = forwardMostMove;
10501 cm = (ChessMove) Myylex();
10504 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
10505 cm == WhiteWins || cm == BlackWins ||
10506 cm == GameIsDrawn || cm == GameUnfinished) {
10507 DisplayMessage("", _("No moves in game"));
10508 if (cmailMsgLoaded) {
10509 if (appData.debugMode)
10510 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10514 DrawPosition(FALSE, boards[currentMove]);
10515 DisplayBothClocks();
10516 gameMode = EditGame;
10523 // [HGM] PV info: routine tests if comment empty
10524 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10525 DisplayComment(currentMove - 1, commentList[currentMove]);
10527 if (!matchMode && appData.timeDelay != 0)
10528 DrawPosition(FALSE, boards[currentMove]);
10530 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10531 programStats.ok_to_send = 1;
10534 /* if the first token after the PGN tags is a move
10535 * and not move number 1, retrieve it from the parser
10537 if (cm != MoveNumberOne)
10538 LoadGameOneMove(cm);
10540 /* load the remaining moves from the file */
10541 while (LoadGameOneMove(EndOfFile)) {
10542 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10543 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10546 /* rewind to the start of the game */
10547 currentMove = backwardMostMove;
10549 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10551 if (oldGameMode == AnalyzeFile ||
10552 oldGameMode == AnalyzeMode) {
10553 AnalyzeFileEvent();
10556 if (matchMode || appData.timeDelay == 0) {
10558 gameMode = EditGame;
10560 } else if (appData.timeDelay > 0) {
10561 AutoPlayGameLoop();
10564 if (appData.debugMode)
10565 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10567 loadFlag = 0; /* [HGM] true game starts */
10571 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10573 ReloadPosition(offset)
10576 int positionNumber = lastLoadPositionNumber + offset;
10577 if (lastLoadPositionFP == NULL) {
10578 DisplayError(_("No position has been loaded yet"), 0);
10581 if (positionNumber <= 0) {
10582 DisplayError(_("Can't back up any further"), 0);
10585 return LoadPosition(lastLoadPositionFP, positionNumber,
10586 lastLoadPositionTitle);
10589 /* Load the nth position from the given file */
10591 LoadPositionFromFile(filename, n, title)
10599 if (strcmp(filename, "-") == 0) {
10600 return LoadPosition(stdin, n, "stdin");
10602 f = fopen(filename, "rb");
10604 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10605 DisplayError(buf, errno);
10608 return LoadPosition(f, n, title);
10613 /* Load the nth position from the given open file, and close it */
10615 LoadPosition(f, positionNumber, title)
10617 int positionNumber;
10620 char *p, line[MSG_SIZ];
10621 Board initial_position;
10622 int i, j, fenMode, pn;
10624 if (gameMode == Training )
10625 SetTrainingModeOff();
10627 if (gameMode != BeginningOfGame) {
10628 Reset(FALSE, TRUE);
10630 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10631 fclose(lastLoadPositionFP);
10633 if (positionNumber == 0) positionNumber = 1;
10634 lastLoadPositionFP = f;
10635 lastLoadPositionNumber = positionNumber;
10636 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
10637 if (first.pr == NoProc) {
10638 StartChessProgram(&first);
10639 InitChessProgram(&first, FALSE);
10641 pn = positionNumber;
10642 if (positionNumber < 0) {
10643 /* Negative position number means to seek to that byte offset */
10644 if (fseek(f, -positionNumber, 0) == -1) {
10645 DisplayError(_("Can't seek on position file"), 0);
10650 if (fseek(f, 0, 0) == -1) {
10651 if (f == lastLoadPositionFP ?
10652 positionNumber == lastLoadPositionNumber + 1 :
10653 positionNumber == 1) {
10656 DisplayError(_("Can't seek on position file"), 0);
10661 /* See if this file is FEN or old-style xboard */
10662 if (fgets(line, MSG_SIZ, f) == NULL) {
10663 DisplayError(_("Position not found in file"), 0);
10666 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10667 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10670 if (fenMode || line[0] == '#') pn--;
10672 /* skip positions before number pn */
10673 if (fgets(line, MSG_SIZ, f) == NULL) {
10675 DisplayError(_("Position not found in file"), 0);
10678 if (fenMode || line[0] == '#') pn--;
10683 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10684 DisplayError(_("Bad FEN position in file"), 0);
10688 (void) fgets(line, MSG_SIZ, f);
10689 (void) fgets(line, MSG_SIZ, f);
10691 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10692 (void) fgets(line, MSG_SIZ, f);
10693 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10696 initial_position[i][j++] = CharToPiece(*p);
10700 blackPlaysFirst = FALSE;
10702 (void) fgets(line, MSG_SIZ, f);
10703 if (strncmp(line, "black", strlen("black"))==0)
10704 blackPlaysFirst = TRUE;
10707 startedFromSetupPosition = TRUE;
10709 SendToProgram("force\n", &first);
10710 CopyBoard(boards[0], initial_position);
10711 if (blackPlaysFirst) {
10712 currentMove = forwardMostMove = backwardMostMove = 1;
10713 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10714 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10715 CopyBoard(boards[1], initial_position);
10716 DisplayMessage("", _("Black to play"));
10718 currentMove = forwardMostMove = backwardMostMove = 0;
10719 DisplayMessage("", _("White to play"));
10721 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10722 SendBoard(&first, forwardMostMove);
10723 if (appData.debugMode) {
10725 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10726 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10727 fprintf(debugFP, "Load Position\n");
10730 if (positionNumber > 1) {
10731 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
10732 DisplayTitle(line);
10734 DisplayTitle(title);
10736 gameMode = EditGame;
10739 timeRemaining[0][1] = whiteTimeRemaining;
10740 timeRemaining[1][1] = blackTimeRemaining;
10741 DrawPosition(FALSE, boards[currentMove]);
10748 CopyPlayerNameIntoFileName(dest, src)
10751 while (*src != NULLCHAR && *src != ',') {
10756 *(*dest)++ = *src++;
10761 char *DefaultFileName(ext)
10764 static char def[MSG_SIZ];
10767 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10769 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10771 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10773 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
10780 /* Save the current game to the given file */
10782 SaveGameToFile(filename, append)
10789 if (strcmp(filename, "-") == 0) {
10790 return SaveGame(stdout, 0, NULL);
10792 f = fopen(filename, append ? "a" : "w");
10794 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10795 DisplayError(buf, errno);
10798 return SaveGame(f, 0, NULL);
10807 static char buf[MSG_SIZ];
10810 p = strchr(str, ' ');
10811 if (p == NULL) return str;
10812 strncpy(buf, str, p - str);
10813 buf[p - str] = NULLCHAR;
10817 #define PGN_MAX_LINE 75
10819 #define PGN_SIDE_WHITE 0
10820 #define PGN_SIDE_BLACK 1
10823 static int FindFirstMoveOutOfBook( int side )
10827 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10828 int index = backwardMostMove;
10829 int has_book_hit = 0;
10831 if( (index % 2) != side ) {
10835 while( index < forwardMostMove ) {
10836 /* Check to see if engine is in book */
10837 int depth = pvInfoList[index].depth;
10838 int score = pvInfoList[index].score;
10844 else if( score == 0 && depth == 63 ) {
10845 in_book = 1; /* Zappa */
10847 else if( score == 2 && depth == 99 ) {
10848 in_book = 1; /* Abrok */
10851 has_book_hit += in_book;
10867 void GetOutOfBookInfo( char * buf )
10871 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10873 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10874 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10878 if( oob[0] >= 0 || oob[1] >= 0 ) {
10879 for( i=0; i<2; i++ ) {
10883 if( i > 0 && oob[0] >= 0 ) {
10884 strcat( buf, " " );
10887 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10888 sprintf( buf+strlen(buf), "%s%.2f",
10889 pvInfoList[idx].score >= 0 ? "+" : "",
10890 pvInfoList[idx].score / 100.0 );
10896 /* Save game in PGN style and close the file */
10901 int i, offset, linelen, newblock;
10905 int movelen, numlen, blank;
10906 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10908 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10910 tm = time((time_t *) NULL);
10912 PrintPGNTags(f, &gameInfo);
10914 if (backwardMostMove > 0 || startedFromSetupPosition) {
10915 char *fen = PositionToFEN(backwardMostMove, NULL);
10916 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10917 fprintf(f, "\n{--------------\n");
10918 PrintPosition(f, backwardMostMove);
10919 fprintf(f, "--------------}\n");
10923 /* [AS] Out of book annotation */
10924 if( appData.saveOutOfBookInfo ) {
10927 GetOutOfBookInfo( buf );
10929 if( buf[0] != '\0' ) {
10930 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10937 i = backwardMostMove;
10941 while (i < forwardMostMove) {
10942 /* Print comments preceding this move */
10943 if (commentList[i] != NULL) {
10944 if (linelen > 0) fprintf(f, "\n");
10945 fprintf(f, "%s", commentList[i]);
10950 /* Format move number */
10952 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
10955 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
10957 numtext[0] = NULLCHAR;
10959 numlen = strlen(numtext);
10962 /* Print move number */
10963 blank = linelen > 0 && numlen > 0;
10964 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10973 fprintf(f, "%s", numtext);
10977 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
10978 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10981 blank = linelen > 0 && movelen > 0;
10982 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10991 fprintf(f, "%s", move_buffer);
10992 linelen += movelen;
10994 /* [AS] Add PV info if present */
10995 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10996 /* [HGM] add time */
10997 char buf[MSG_SIZ]; int seconds;
10999 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
11005 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
11008 seconds = (seconds + 4)/10; // round to full seconds
11010 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
11012 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
11015 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
11016 pvInfoList[i].score >= 0 ? "+" : "",
11017 pvInfoList[i].score / 100.0,
11018 pvInfoList[i].depth,
11021 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
11023 /* Print score/depth */
11024 blank = linelen > 0 && movelen > 0;
11025 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11034 fprintf(f, "%s", move_buffer);
11035 linelen += movelen;
11041 /* Start a new line */
11042 if (linelen > 0) fprintf(f, "\n");
11044 /* Print comments after last move */
11045 if (commentList[i] != NULL) {
11046 fprintf(f, "%s\n", commentList[i]);
11050 if (gameInfo.resultDetails != NULL &&
11051 gameInfo.resultDetails[0] != NULLCHAR) {
11052 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
11053 PGNResult(gameInfo.result));
11055 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11059 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11063 /* Save game in old style and close the file */
11065 SaveGameOldStyle(f)
11071 tm = time((time_t *) NULL);
11073 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11076 if (backwardMostMove > 0 || startedFromSetupPosition) {
11077 fprintf(f, "\n[--------------\n");
11078 PrintPosition(f, backwardMostMove);
11079 fprintf(f, "--------------]\n");
11084 i = backwardMostMove;
11085 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11087 while (i < forwardMostMove) {
11088 if (commentList[i] != NULL) {
11089 fprintf(f, "[%s]\n", commentList[i]);
11092 if ((i % 2) == 1) {
11093 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11096 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11098 if (commentList[i] != NULL) {
11102 if (i >= forwardMostMove) {
11106 fprintf(f, "%s\n", parseList[i]);
11111 if (commentList[i] != NULL) {
11112 fprintf(f, "[%s]\n", commentList[i]);
11115 /* This isn't really the old style, but it's close enough */
11116 if (gameInfo.resultDetails != NULL &&
11117 gameInfo.resultDetails[0] != NULLCHAR) {
11118 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11119 gameInfo.resultDetails);
11121 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11128 /* Save the current game to open file f and close the file */
11130 SaveGame(f, dummy, dummy2)
11135 if (gameMode == EditPosition) EditPositionDone(TRUE);
11136 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11137 if (appData.oldSaveStyle)
11138 return SaveGameOldStyle(f);
11140 return SaveGamePGN(f);
11143 /* Save the current position to the given file */
11145 SavePositionToFile(filename)
11151 if (strcmp(filename, "-") == 0) {
11152 return SavePosition(stdout, 0, NULL);
11154 f = fopen(filename, "a");
11156 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11157 DisplayError(buf, errno);
11160 SavePosition(f, 0, NULL);
11166 /* Save the current position to the given open file and close the file */
11168 SavePosition(f, dummy, dummy2)
11176 if (gameMode == EditPosition) EditPositionDone(TRUE);
11177 if (appData.oldSaveStyle) {
11178 tm = time((time_t *) NULL);
11180 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11182 fprintf(f, "[--------------\n");
11183 PrintPosition(f, currentMove);
11184 fprintf(f, "--------------]\n");
11186 fen = PositionToFEN(currentMove, NULL);
11187 fprintf(f, "%s\n", fen);
11195 ReloadCmailMsgEvent(unregister)
11199 static char *inFilename = NULL;
11200 static char *outFilename;
11202 struct stat inbuf, outbuf;
11205 /* Any registered moves are unregistered if unregister is set, */
11206 /* i.e. invoked by the signal handler */
11208 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11209 cmailMoveRegistered[i] = FALSE;
11210 if (cmailCommentList[i] != NULL) {
11211 free(cmailCommentList[i]);
11212 cmailCommentList[i] = NULL;
11215 nCmailMovesRegistered = 0;
11218 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11219 cmailResult[i] = CMAIL_NOT_RESULT;
11223 if (inFilename == NULL) {
11224 /* Because the filenames are static they only get malloced once */
11225 /* and they never get freed */
11226 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11227 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11229 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11230 sprintf(outFilename, "%s.out", appData.cmailGameName);
11233 status = stat(outFilename, &outbuf);
11235 cmailMailedMove = FALSE;
11237 status = stat(inFilename, &inbuf);
11238 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11241 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11242 counts the games, notes how each one terminated, etc.
11244 It would be nice to remove this kludge and instead gather all
11245 the information while building the game list. (And to keep it
11246 in the game list nodes instead of having a bunch of fixed-size
11247 parallel arrays.) Note this will require getting each game's
11248 termination from the PGN tags, as the game list builder does
11249 not process the game moves. --mann
11251 cmailMsgLoaded = TRUE;
11252 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11254 /* Load first game in the file or popup game menu */
11255 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11257 #endif /* !WIN32 */
11265 char string[MSG_SIZ];
11267 if ( cmailMailedMove
11268 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11269 return TRUE; /* Allow free viewing */
11272 /* Unregister move to ensure that we don't leave RegisterMove */
11273 /* with the move registered when the conditions for registering no */
11275 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11276 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11277 nCmailMovesRegistered --;
11279 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11281 free(cmailCommentList[lastLoadGameNumber - 1]);
11282 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11286 if (cmailOldMove == -1) {
11287 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11291 if (currentMove > cmailOldMove + 1) {
11292 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11296 if (currentMove < cmailOldMove) {
11297 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11301 if (forwardMostMove > currentMove) {
11302 /* Silently truncate extra moves */
11306 if ( (currentMove == cmailOldMove + 1)
11307 || ( (currentMove == cmailOldMove)
11308 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11309 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11310 if (gameInfo.result != GameUnfinished) {
11311 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11314 if (commentList[currentMove] != NULL) {
11315 cmailCommentList[lastLoadGameNumber - 1]
11316 = StrSave(commentList[currentMove]);
11318 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
11320 if (appData.debugMode)
11321 fprintf(debugFP, "Saving %s for game %d\n",
11322 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11324 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11326 f = fopen(string, "w");
11327 if (appData.oldSaveStyle) {
11328 SaveGameOldStyle(f); /* also closes the file */
11330 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
11331 f = fopen(string, "w");
11332 SavePosition(f, 0, NULL); /* also closes the file */
11334 fprintf(f, "{--------------\n");
11335 PrintPosition(f, currentMove);
11336 fprintf(f, "--------------}\n\n");
11338 SaveGame(f, 0, NULL); /* also closes the file*/
11341 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11342 nCmailMovesRegistered ++;
11343 } else if (nCmailGames == 1) {
11344 DisplayError(_("You have not made a move yet"), 0);
11355 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11356 FILE *commandOutput;
11357 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11358 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11364 if (! cmailMsgLoaded) {
11365 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11369 if (nCmailGames == nCmailResults) {
11370 DisplayError(_("No unfinished games"), 0);
11374 #if CMAIL_PROHIBIT_REMAIL
11375 if (cmailMailedMove) {
11376 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);
11377 DisplayError(msg, 0);
11382 if (! (cmailMailedMove || RegisterMove())) return;
11384 if ( cmailMailedMove
11385 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11386 snprintf(string, MSG_SIZ, partCommandString,
11387 appData.debugMode ? " -v" : "", appData.cmailGameName);
11388 commandOutput = popen(string, "r");
11390 if (commandOutput == NULL) {
11391 DisplayError(_("Failed to invoke cmail"), 0);
11393 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11394 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11396 if (nBuffers > 1) {
11397 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11398 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11399 nBytes = MSG_SIZ - 1;
11401 (void) memcpy(msg, buffer, nBytes);
11403 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11405 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11406 cmailMailedMove = TRUE; /* Prevent >1 moves */
11409 for (i = 0; i < nCmailGames; i ++) {
11410 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11415 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11417 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
11419 appData.cmailGameName,
11421 LoadGameFromFile(buffer, 1, buffer, FALSE);
11422 cmailMsgLoaded = FALSE;
11426 DisplayInformation(msg);
11427 pclose(commandOutput);
11430 if ((*cmailMsg) != '\0') {
11431 DisplayInformation(cmailMsg);
11436 #endif /* !WIN32 */
11445 int prependComma = 0;
11447 char string[MSG_SIZ]; /* Space for game-list */
11450 if (!cmailMsgLoaded) return "";
11452 if (cmailMailedMove) {
11453 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
11455 /* Create a list of games left */
11456 snprintf(string, MSG_SIZ, "[");
11457 for (i = 0; i < nCmailGames; i ++) {
11458 if (! ( cmailMoveRegistered[i]
11459 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11460 if (prependComma) {
11461 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
11463 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
11467 strcat(string, number);
11470 strcat(string, "]");
11472 if (nCmailMovesRegistered + nCmailResults == 0) {
11473 switch (nCmailGames) {
11475 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
11479 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
11483 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
11488 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11490 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
11495 if (nCmailResults == nCmailGames) {
11496 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
11498 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
11503 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
11515 if (gameMode == Training)
11516 SetTrainingModeOff();
11519 cmailMsgLoaded = FALSE;
11520 if (appData.icsActive) {
11521 SendToICS(ics_prefix);
11522 SendToICS("refresh\n");
11532 /* Give up on clean exit */
11536 /* Keep trying for clean exit */
11540 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11542 if (telnetISR != NULL) {
11543 RemoveInputSource(telnetISR);
11545 if (icsPR != NoProc) {
11546 DestroyChildProcess(icsPR, TRUE);
11549 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11550 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11552 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11553 /* make sure this other one finishes before killing it! */
11554 if(endingGame) { int count = 0;
11555 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11556 while(endingGame && count++ < 10) DoSleep(1);
11557 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11560 /* Kill off chess programs */
11561 if (first.pr != NoProc) {
11564 DoSleep( appData.delayBeforeQuit );
11565 SendToProgram("quit\n", &first);
11566 DoSleep( appData.delayAfterQuit );
11567 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11569 if (second.pr != NoProc) {
11570 DoSleep( appData.delayBeforeQuit );
11571 SendToProgram("quit\n", &second);
11572 DoSleep( appData.delayAfterQuit );
11573 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11575 if (first.isr != NULL) {
11576 RemoveInputSource(first.isr);
11578 if (second.isr != NULL) {
11579 RemoveInputSource(second.isr);
11582 ShutDownFrontEnd();
11589 if (appData.debugMode)
11590 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11594 if (gameMode == MachinePlaysWhite ||
11595 gameMode == MachinePlaysBlack) {
11598 DisplayBothClocks();
11600 if (gameMode == PlayFromGameFile) {
11601 if (appData.timeDelay >= 0)
11602 AutoPlayGameLoop();
11603 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11604 Reset(FALSE, TRUE);
11605 SendToICS(ics_prefix);
11606 SendToICS("refresh\n");
11607 } else if (currentMove < forwardMostMove) {
11608 ForwardInner(forwardMostMove);
11610 pauseExamInvalid = FALSE;
11612 switch (gameMode) {
11616 pauseExamForwardMostMove = forwardMostMove;
11617 pauseExamInvalid = FALSE;
11620 case IcsPlayingWhite:
11621 case IcsPlayingBlack:
11625 case PlayFromGameFile:
11626 (void) StopLoadGameTimer();
11630 case BeginningOfGame:
11631 if (appData.icsActive) return;
11632 /* else fall through */
11633 case MachinePlaysWhite:
11634 case MachinePlaysBlack:
11635 case TwoMachinesPlay:
11636 if (forwardMostMove == 0)
11637 return; /* don't pause if no one has moved */
11638 if ((gameMode == MachinePlaysWhite &&
11639 !WhiteOnMove(forwardMostMove)) ||
11640 (gameMode == MachinePlaysBlack &&
11641 WhiteOnMove(forwardMostMove))) {
11654 char title[MSG_SIZ];
11656 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11657 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
11659 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11660 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11661 parseList[currentMove - 1]);
11664 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11671 char *tags = PGNTags(&gameInfo);
11672 EditTagsPopUp(tags, NULL);
11679 if (appData.noChessProgram || gameMode == AnalyzeMode)
11682 if (gameMode != AnalyzeFile) {
11683 if (!appData.icsEngineAnalyze) {
11685 if (gameMode != EditGame) return;
11687 ResurrectChessProgram();
11688 SendToProgram("analyze\n", &first);
11689 first.analyzing = TRUE;
11690 /*first.maybeThinking = TRUE;*/
11691 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11692 EngineOutputPopUp();
11694 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11699 StartAnalysisClock();
11700 GetTimeMark(&lastNodeCountTime);
11707 if (appData.noChessProgram || gameMode == AnalyzeFile)
11710 if (gameMode != AnalyzeMode) {
11712 if (gameMode != EditGame) return;
11713 ResurrectChessProgram();
11714 SendToProgram("analyze\n", &first);
11715 first.analyzing = TRUE;
11716 /*first.maybeThinking = TRUE;*/
11717 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11718 EngineOutputPopUp();
11720 gameMode = AnalyzeFile;
11725 StartAnalysisClock();
11726 GetTimeMark(&lastNodeCountTime);
11731 MachineWhiteEvent()
11734 char *bookHit = NULL;
11736 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11740 if (gameMode == PlayFromGameFile ||
11741 gameMode == TwoMachinesPlay ||
11742 gameMode == Training ||
11743 gameMode == AnalyzeMode ||
11744 gameMode == EndOfGame)
11747 if (gameMode == EditPosition)
11748 EditPositionDone(TRUE);
11750 if (!WhiteOnMove(currentMove)) {
11751 DisplayError(_("It is not White's turn"), 0);
11755 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11758 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11759 gameMode == AnalyzeFile)
11762 ResurrectChessProgram(); /* in case it isn't running */
11763 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11764 gameMode = MachinePlaysWhite;
11767 gameMode = MachinePlaysWhite;
11771 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11773 if (first.sendName) {
11774 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
11775 SendToProgram(buf, &first);
11777 if (first.sendTime) {
11778 if (first.useColors) {
11779 SendToProgram("black\n", &first); /*gnu kludge*/
11781 SendTimeRemaining(&first, TRUE);
11783 if (first.useColors) {
11784 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11786 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11787 SetMachineThinkingEnables();
11788 first.maybeThinking = TRUE;
11792 if (appData.autoFlipView && !flipView) {
11793 flipView = !flipView;
11794 DrawPosition(FALSE, NULL);
11795 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11798 if(bookHit) { // [HGM] book: simulate book reply
11799 static char bookMove[MSG_SIZ]; // a bit generous?
11801 programStats.nodes = programStats.depth = programStats.time =
11802 programStats.score = programStats.got_only_move = 0;
11803 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11805 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11806 strcat(bookMove, bookHit);
11807 HandleMachineMove(bookMove, &first);
11812 MachineBlackEvent()
11815 char *bookHit = NULL;
11817 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11821 if (gameMode == PlayFromGameFile ||
11822 gameMode == TwoMachinesPlay ||
11823 gameMode == Training ||
11824 gameMode == AnalyzeMode ||
11825 gameMode == EndOfGame)
11828 if (gameMode == EditPosition)
11829 EditPositionDone(TRUE);
11831 if (WhiteOnMove(currentMove)) {
11832 DisplayError(_("It is not Black's turn"), 0);
11836 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11839 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11840 gameMode == AnalyzeFile)
11843 ResurrectChessProgram(); /* in case it isn't running */
11844 gameMode = MachinePlaysBlack;
11848 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11850 if (first.sendName) {
11851 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
11852 SendToProgram(buf, &first);
11854 if (first.sendTime) {
11855 if (first.useColors) {
11856 SendToProgram("white\n", &first); /*gnu kludge*/
11858 SendTimeRemaining(&first, FALSE);
11860 if (first.useColors) {
11861 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11863 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11864 SetMachineThinkingEnables();
11865 first.maybeThinking = TRUE;
11868 if (appData.autoFlipView && flipView) {
11869 flipView = !flipView;
11870 DrawPosition(FALSE, NULL);
11871 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11873 if(bookHit) { // [HGM] book: simulate book reply
11874 static char bookMove[MSG_SIZ]; // a bit generous?
11876 programStats.nodes = programStats.depth = programStats.time =
11877 programStats.score = programStats.got_only_move = 0;
11878 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11880 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11881 strcat(bookMove, bookHit);
11882 HandleMachineMove(bookMove, &first);
11888 DisplayTwoMachinesTitle()
11891 if (appData.matchGames > 0) {
11892 if (first.twoMachinesColor[0] == 'w') {
11893 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11894 gameInfo.white, gameInfo.black,
11895 first.matchWins, second.matchWins,
11896 matchGame - 1 - (first.matchWins + second.matchWins));
11898 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11899 gameInfo.white, gameInfo.black,
11900 second.matchWins, first.matchWins,
11901 matchGame - 1 - (first.matchWins + second.matchWins));
11904 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11910 SettingsMenuIfReady()
11912 if (second.lastPing != second.lastPong) {
11913 DisplayMessage("", _("Waiting for second chess program"));
11914 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
11918 DisplayMessage("", "");
11919 SettingsPopUp(&second);
11923 WaitForSecond(DelayedEventCallback retry)
11925 if (second.pr == NULL) {
11926 StartChessProgram(&second);
11927 if (second.protocolVersion == 1) {
11930 /* kludge: allow timeout for initial "feature" command */
11932 DisplayMessage("", _("Starting second chess program"));
11933 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
11941 TwoMachinesEvent P((void))
11945 ChessProgramState *onmove;
11946 char *bookHit = NULL;
11948 if (appData.noChessProgram) return;
11950 switch (gameMode) {
11951 case TwoMachinesPlay:
11953 case MachinePlaysWhite:
11954 case MachinePlaysBlack:
11955 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11956 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11960 case BeginningOfGame:
11961 case PlayFromGameFile:
11964 if (gameMode != EditGame) return;
11967 EditPositionDone(TRUE);
11978 // forwardMostMove = currentMove;
11979 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11980 ResurrectChessProgram(); /* in case first program isn't running */
11982 if(WaitForSecond(TwoMachinesEventIfReady)) return;
11983 DisplayMessage("", "");
11984 InitChessProgram(&second, FALSE);
11985 SendToProgram("force\n", &second);
11986 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
11987 ScheduleDelayedEvent(TwoMachinesEvent, 10);
11990 if (startedFromSetupPosition) {
11991 SendBoard(&second, backwardMostMove);
11992 if (appData.debugMode) {
11993 fprintf(debugFP, "Two Machines\n");
11996 for (i = backwardMostMove; i < forwardMostMove; i++) {
11997 SendMoveToProgram(i, &second);
12000 gameMode = TwoMachinesPlay;
12004 DisplayTwoMachinesTitle();
12006 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
12012 SendToProgram(first.computerString, &first);
12013 if (first.sendName) {
12014 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
12015 SendToProgram(buf, &first);
12017 SendToProgram(second.computerString, &second);
12018 if (second.sendName) {
12019 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
12020 SendToProgram(buf, &second);
12024 if (!first.sendTime || !second.sendTime) {
12025 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12026 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12028 if (onmove->sendTime) {
12029 if (onmove->useColors) {
12030 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
12032 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
12034 if (onmove->useColors) {
12035 SendToProgram(onmove->twoMachinesColor, onmove);
12037 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
12038 // SendToProgram("go\n", onmove);
12039 onmove->maybeThinking = TRUE;
12040 SetMachineThinkingEnables();
12044 if(bookHit) { // [HGM] book: simulate book reply
12045 static char bookMove[MSG_SIZ]; // a bit generous?
12047 programStats.nodes = programStats.depth = programStats.time =
12048 programStats.score = programStats.got_only_move = 0;
12049 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12051 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12052 strcat(bookMove, bookHit);
12053 savedMessage = bookMove; // args for deferred call
12054 savedState = onmove;
12055 ScheduleDelayedEvent(DeferredBookMove, 1);
12062 if (gameMode == Training) {
12063 SetTrainingModeOff();
12064 gameMode = PlayFromGameFile;
12065 DisplayMessage("", _("Training mode off"));
12067 gameMode = Training;
12068 animateTraining = appData.animate;
12070 /* make sure we are not already at the end of the game */
12071 if (currentMove < forwardMostMove) {
12072 SetTrainingModeOn();
12073 DisplayMessage("", _("Training mode on"));
12075 gameMode = PlayFromGameFile;
12076 DisplayError(_("Already at end of game"), 0);
12085 if (!appData.icsActive) return;
12086 switch (gameMode) {
12087 case IcsPlayingWhite:
12088 case IcsPlayingBlack:
12091 case BeginningOfGame:
12099 EditPositionDone(TRUE);
12112 gameMode = IcsIdle;
12123 switch (gameMode) {
12125 SetTrainingModeOff();
12127 case MachinePlaysWhite:
12128 case MachinePlaysBlack:
12129 case BeginningOfGame:
12130 SendToProgram("force\n", &first);
12131 SetUserThinkingEnables();
12133 case PlayFromGameFile:
12134 (void) StopLoadGameTimer();
12135 if (gameFileFP != NULL) {
12140 EditPositionDone(TRUE);
12145 SendToProgram("force\n", &first);
12147 case TwoMachinesPlay:
12148 GameEnds(EndOfFile, NULL, GE_PLAYER);
12149 ResurrectChessProgram();
12150 SetUserThinkingEnables();
12153 ResurrectChessProgram();
12155 case IcsPlayingBlack:
12156 case IcsPlayingWhite:
12157 DisplayError(_("Warning: You are still playing a game"), 0);
12160 DisplayError(_("Warning: You are still observing a game"), 0);
12163 DisplayError(_("Warning: You are still examining a game"), 0);
12174 first.offeredDraw = second.offeredDraw = 0;
12176 if (gameMode == PlayFromGameFile) {
12177 whiteTimeRemaining = timeRemaining[0][currentMove];
12178 blackTimeRemaining = timeRemaining[1][currentMove];
12182 if (gameMode == MachinePlaysWhite ||
12183 gameMode == MachinePlaysBlack ||
12184 gameMode == TwoMachinesPlay ||
12185 gameMode == EndOfGame) {
12186 i = forwardMostMove;
12187 while (i > currentMove) {
12188 SendToProgram("undo\n", &first);
12191 whiteTimeRemaining = timeRemaining[0][currentMove];
12192 blackTimeRemaining = timeRemaining[1][currentMove];
12193 DisplayBothClocks();
12194 if (whiteFlag || blackFlag) {
12195 whiteFlag = blackFlag = 0;
12200 gameMode = EditGame;
12207 EditPositionEvent()
12209 if (gameMode == EditPosition) {
12215 if (gameMode != EditGame) return;
12217 gameMode = EditPosition;
12220 if (currentMove > 0)
12221 CopyBoard(boards[0], boards[currentMove]);
12223 blackPlaysFirst = !WhiteOnMove(currentMove);
12225 currentMove = forwardMostMove = backwardMostMove = 0;
12226 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12233 /* [DM] icsEngineAnalyze - possible call from other functions */
12234 if (appData.icsEngineAnalyze) {
12235 appData.icsEngineAnalyze = FALSE;
12237 DisplayMessage("",_("Close ICS engine analyze..."));
12239 if (first.analysisSupport && first.analyzing) {
12240 SendToProgram("exit\n", &first);
12241 first.analyzing = FALSE;
12243 thinkOutput[0] = NULLCHAR;
12247 EditPositionDone(Boolean fakeRights)
12249 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12251 startedFromSetupPosition = TRUE;
12252 InitChessProgram(&first, FALSE);
12253 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12254 boards[0][EP_STATUS] = EP_NONE;
12255 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12256 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12257 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12258 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12259 } else boards[0][CASTLING][2] = NoRights;
12260 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12261 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12262 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12263 } else boards[0][CASTLING][5] = NoRights;
12265 SendToProgram("force\n", &first);
12266 if (blackPlaysFirst) {
12267 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12268 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12269 currentMove = forwardMostMove = backwardMostMove = 1;
12270 CopyBoard(boards[1], boards[0]);
12272 currentMove = forwardMostMove = backwardMostMove = 0;
12274 SendBoard(&first, forwardMostMove);
12275 if (appData.debugMode) {
12276 fprintf(debugFP, "EditPosDone\n");
12279 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12280 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12281 gameMode = EditGame;
12283 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12284 ClearHighlights(); /* [AS] */
12287 /* Pause for `ms' milliseconds */
12288 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12298 } while (SubtractTimeMarks(&m2, &m1) < ms);
12301 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12303 SendMultiLineToICS(buf)
12306 char temp[MSG_SIZ+1], *p;
12313 strncpy(temp, buf, len);
12318 if (*p == '\n' || *p == '\r')
12323 strcat(temp, "\n");
12325 SendToPlayer(temp, strlen(temp));
12329 SetWhiteToPlayEvent()
12331 if (gameMode == EditPosition) {
12332 blackPlaysFirst = FALSE;
12333 DisplayBothClocks(); /* works because currentMove is 0 */
12334 } else if (gameMode == IcsExamining) {
12335 SendToICS(ics_prefix);
12336 SendToICS("tomove white\n");
12341 SetBlackToPlayEvent()
12343 if (gameMode == EditPosition) {
12344 blackPlaysFirst = TRUE;
12345 currentMove = 1; /* kludge */
12346 DisplayBothClocks();
12348 } else if (gameMode == IcsExamining) {
12349 SendToICS(ics_prefix);
12350 SendToICS("tomove black\n");
12355 EditPositionMenuEvent(selection, x, y)
12356 ChessSquare selection;
12360 ChessSquare piece = boards[0][y][x];
12362 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12364 switch (selection) {
12366 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12367 SendToICS(ics_prefix);
12368 SendToICS("bsetup clear\n");
12369 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12370 SendToICS(ics_prefix);
12371 SendToICS("clearboard\n");
12373 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12374 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12375 for (y = 0; y < BOARD_HEIGHT; y++) {
12376 if (gameMode == IcsExamining) {
12377 if (boards[currentMove][y][x] != EmptySquare) {
12378 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
12383 boards[0][y][x] = p;
12388 if (gameMode == EditPosition) {
12389 DrawPosition(FALSE, boards[0]);
12394 SetWhiteToPlayEvent();
12398 SetBlackToPlayEvent();
12402 if (gameMode == IcsExamining) {
12403 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12404 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12407 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12408 if(x == BOARD_LEFT-2) {
12409 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12410 boards[0][y][1] = 0;
12412 if(x == BOARD_RGHT+1) {
12413 if(y >= gameInfo.holdingsSize) break;
12414 boards[0][y][BOARD_WIDTH-2] = 0;
12417 boards[0][y][x] = EmptySquare;
12418 DrawPosition(FALSE, boards[0]);
12423 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12424 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12425 selection = (ChessSquare) (PROMOTED piece);
12426 } else if(piece == EmptySquare) selection = WhiteSilver;
12427 else selection = (ChessSquare)((int)piece - 1);
12431 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12432 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12433 selection = (ChessSquare) (DEMOTED piece);
12434 } else if(piece == EmptySquare) selection = BlackSilver;
12435 else selection = (ChessSquare)((int)piece + 1);
12440 if(gameInfo.variant == VariantShatranj ||
12441 gameInfo.variant == VariantXiangqi ||
12442 gameInfo.variant == VariantCourier ||
12443 gameInfo.variant == VariantMakruk )
12444 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12449 if(gameInfo.variant == VariantXiangqi)
12450 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12451 if(gameInfo.variant == VariantKnightmate)
12452 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12455 if (gameMode == IcsExamining) {
12456 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12457 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
12458 PieceToChar(selection), AAA + x, ONE + y);
12461 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12463 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12464 n = PieceToNumber(selection - BlackPawn);
12465 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12466 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12467 boards[0][BOARD_HEIGHT-1-n][1]++;
12469 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12470 n = PieceToNumber(selection);
12471 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12472 boards[0][n][BOARD_WIDTH-1] = selection;
12473 boards[0][n][BOARD_WIDTH-2]++;
12476 boards[0][y][x] = selection;
12477 DrawPosition(TRUE, boards[0]);
12485 DropMenuEvent(selection, x, y)
12486 ChessSquare selection;
12489 ChessMove moveType;
12491 switch (gameMode) {
12492 case IcsPlayingWhite:
12493 case MachinePlaysBlack:
12494 if (!WhiteOnMove(currentMove)) {
12495 DisplayMoveError(_("It is Black's turn"));
12498 moveType = WhiteDrop;
12500 case IcsPlayingBlack:
12501 case MachinePlaysWhite:
12502 if (WhiteOnMove(currentMove)) {
12503 DisplayMoveError(_("It is White's turn"));
12506 moveType = BlackDrop;
12509 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12515 if (moveType == BlackDrop && selection < BlackPawn) {
12516 selection = (ChessSquare) ((int) selection
12517 + (int) BlackPawn - (int) WhitePawn);
12519 if (boards[currentMove][y][x] != EmptySquare) {
12520 DisplayMoveError(_("That square is occupied"));
12524 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12530 /* Accept a pending offer of any kind from opponent */
12532 if (appData.icsActive) {
12533 SendToICS(ics_prefix);
12534 SendToICS("accept\n");
12535 } else if (cmailMsgLoaded) {
12536 if (currentMove == cmailOldMove &&
12537 commentList[cmailOldMove] != NULL &&
12538 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12539 "Black offers a draw" : "White offers a draw")) {
12541 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12542 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12544 DisplayError(_("There is no pending offer on this move"), 0);
12545 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12548 /* Not used for offers from chess program */
12555 /* Decline a pending offer of any kind from opponent */
12557 if (appData.icsActive) {
12558 SendToICS(ics_prefix);
12559 SendToICS("decline\n");
12560 } else if (cmailMsgLoaded) {
12561 if (currentMove == cmailOldMove &&
12562 commentList[cmailOldMove] != NULL &&
12563 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12564 "Black offers a draw" : "White offers a draw")) {
12566 AppendComment(cmailOldMove, "Draw declined", TRUE);
12567 DisplayComment(cmailOldMove - 1, "Draw declined");
12570 DisplayError(_("There is no pending offer on this move"), 0);
12573 /* Not used for offers from chess program */
12580 /* Issue ICS rematch command */
12581 if (appData.icsActive) {
12582 SendToICS(ics_prefix);
12583 SendToICS("rematch\n");
12590 /* Call your opponent's flag (claim a win on time) */
12591 if (appData.icsActive) {
12592 SendToICS(ics_prefix);
12593 SendToICS("flag\n");
12595 switch (gameMode) {
12598 case MachinePlaysWhite:
12601 GameEnds(GameIsDrawn, "Both players ran out of time",
12604 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12606 DisplayError(_("Your opponent is not out of time"), 0);
12609 case MachinePlaysBlack:
12612 GameEnds(GameIsDrawn, "Both players ran out of time",
12615 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12617 DisplayError(_("Your opponent is not out of time"), 0);
12627 /* Offer draw or accept pending draw offer from opponent */
12629 if (appData.icsActive) {
12630 /* Note: tournament rules require draw offers to be
12631 made after you make your move but before you punch
12632 your clock. Currently ICS doesn't let you do that;
12633 instead, you immediately punch your clock after making
12634 a move, but you can offer a draw at any time. */
12636 SendToICS(ics_prefix);
12637 SendToICS("draw\n");
12638 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12639 } else if (cmailMsgLoaded) {
12640 if (currentMove == cmailOldMove &&
12641 commentList[cmailOldMove] != NULL &&
12642 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12643 "Black offers a draw" : "White offers a draw")) {
12644 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12645 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12646 } else if (currentMove == cmailOldMove + 1) {
12647 char *offer = WhiteOnMove(cmailOldMove) ?
12648 "White offers a draw" : "Black offers a draw";
12649 AppendComment(currentMove, offer, TRUE);
12650 DisplayComment(currentMove - 1, offer);
12651 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12653 DisplayError(_("You must make your move before offering a draw"), 0);
12654 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12656 } else if (first.offeredDraw) {
12657 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12659 if (first.sendDrawOffers) {
12660 SendToProgram("draw\n", &first);
12661 userOfferedDraw = TRUE;
12669 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12671 if (appData.icsActive) {
12672 SendToICS(ics_prefix);
12673 SendToICS("adjourn\n");
12675 /* Currently GNU Chess doesn't offer or accept Adjourns */
12683 /* Offer Abort or accept pending Abort offer from opponent */
12685 if (appData.icsActive) {
12686 SendToICS(ics_prefix);
12687 SendToICS("abort\n");
12689 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12696 /* Resign. You can do this even if it's not your turn. */
12698 if (appData.icsActive) {
12699 SendToICS(ics_prefix);
12700 SendToICS("resign\n");
12702 switch (gameMode) {
12703 case MachinePlaysWhite:
12704 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12706 case MachinePlaysBlack:
12707 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12710 if (cmailMsgLoaded) {
12712 if (WhiteOnMove(cmailOldMove)) {
12713 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12715 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12717 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12728 StopObservingEvent()
12730 /* Stop observing current games */
12731 SendToICS(ics_prefix);
12732 SendToICS("unobserve\n");
12736 StopExaminingEvent()
12738 /* Stop observing current game */
12739 SendToICS(ics_prefix);
12740 SendToICS("unexamine\n");
12744 ForwardInner(target)
12749 if (appData.debugMode)
12750 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12751 target, currentMove, forwardMostMove);
12753 if (gameMode == EditPosition)
12756 if (gameMode == PlayFromGameFile && !pausing)
12759 if (gameMode == IcsExamining && pausing)
12760 limit = pauseExamForwardMostMove;
12762 limit = forwardMostMove;
12764 if (target > limit) target = limit;
12766 if (target > 0 && moveList[target - 1][0]) {
12767 int fromX, fromY, toX, toY;
12768 toX = moveList[target - 1][2] - AAA;
12769 toY = moveList[target - 1][3] - ONE;
12770 if (moveList[target - 1][1] == '@') {
12771 if (appData.highlightLastMove) {
12772 SetHighlights(-1, -1, toX, toY);
12775 fromX = moveList[target - 1][0] - AAA;
12776 fromY = moveList[target - 1][1] - ONE;
12777 if (target == currentMove + 1) {
12778 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12780 if (appData.highlightLastMove) {
12781 SetHighlights(fromX, fromY, toX, toY);
12785 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12786 gameMode == Training || gameMode == PlayFromGameFile ||
12787 gameMode == AnalyzeFile) {
12788 while (currentMove < target) {
12789 SendMoveToProgram(currentMove++, &first);
12792 currentMove = target;
12795 if (gameMode == EditGame || gameMode == EndOfGame) {
12796 whiteTimeRemaining = timeRemaining[0][currentMove];
12797 blackTimeRemaining = timeRemaining[1][currentMove];
12799 DisplayBothClocks();
12800 DisplayMove(currentMove - 1);
12801 DrawPosition(FALSE, boards[currentMove]);
12802 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12803 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12804 DisplayComment(currentMove - 1, commentList[currentMove]);
12812 if (gameMode == IcsExamining && !pausing) {
12813 SendToICS(ics_prefix);
12814 SendToICS("forward\n");
12816 ForwardInner(currentMove + 1);
12823 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12824 /* to optimze, we temporarily turn off analysis mode while we feed
12825 * the remaining moves to the engine. Otherwise we get analysis output
12828 if (first.analysisSupport) {
12829 SendToProgram("exit\nforce\n", &first);
12830 first.analyzing = FALSE;
12834 if (gameMode == IcsExamining && !pausing) {
12835 SendToICS(ics_prefix);
12836 SendToICS("forward 999999\n");
12838 ForwardInner(forwardMostMove);
12841 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12842 /* we have fed all the moves, so reactivate analysis mode */
12843 SendToProgram("analyze\n", &first);
12844 first.analyzing = TRUE;
12845 /*first.maybeThinking = TRUE;*/
12846 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12851 BackwardInner(target)
12854 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12856 if (appData.debugMode)
12857 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12858 target, currentMove, forwardMostMove);
12860 if (gameMode == EditPosition) return;
12861 if (currentMove <= backwardMostMove) {
12863 DrawPosition(full_redraw, boards[currentMove]);
12866 if (gameMode == PlayFromGameFile && !pausing)
12869 if (moveList[target][0]) {
12870 int fromX, fromY, toX, toY;
12871 toX = moveList[target][2] - AAA;
12872 toY = moveList[target][3] - ONE;
12873 if (moveList[target][1] == '@') {
12874 if (appData.highlightLastMove) {
12875 SetHighlights(-1, -1, toX, toY);
12878 fromX = moveList[target][0] - AAA;
12879 fromY = moveList[target][1] - ONE;
12880 if (target == currentMove - 1) {
12881 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12883 if (appData.highlightLastMove) {
12884 SetHighlights(fromX, fromY, toX, toY);
12888 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12889 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12890 while (currentMove > target) {
12891 SendToProgram("undo\n", &first);
12895 currentMove = target;
12898 if (gameMode == EditGame || gameMode == EndOfGame) {
12899 whiteTimeRemaining = timeRemaining[0][currentMove];
12900 blackTimeRemaining = timeRemaining[1][currentMove];
12902 DisplayBothClocks();
12903 DisplayMove(currentMove - 1);
12904 DrawPosition(full_redraw, boards[currentMove]);
12905 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12906 // [HGM] PV info: routine tests if comment empty
12907 DisplayComment(currentMove - 1, commentList[currentMove]);
12913 if (gameMode == IcsExamining && !pausing) {
12914 SendToICS(ics_prefix);
12915 SendToICS("backward\n");
12917 BackwardInner(currentMove - 1);
12924 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12925 /* to optimize, we temporarily turn off analysis mode while we undo
12926 * all the moves. Otherwise we get analysis output after each undo.
12928 if (first.analysisSupport) {
12929 SendToProgram("exit\nforce\n", &first);
12930 first.analyzing = FALSE;
12934 if (gameMode == IcsExamining && !pausing) {
12935 SendToICS(ics_prefix);
12936 SendToICS("backward 999999\n");
12938 BackwardInner(backwardMostMove);
12941 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12942 /* we have fed all the moves, so reactivate analysis mode */
12943 SendToProgram("analyze\n", &first);
12944 first.analyzing = TRUE;
12945 /*first.maybeThinking = TRUE;*/
12946 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12953 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12954 if (to >= forwardMostMove) to = forwardMostMove;
12955 if (to <= backwardMostMove) to = backwardMostMove;
12956 if (to < currentMove) {
12964 RevertEvent(Boolean annotate)
12966 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12969 if (gameMode != IcsExamining) {
12970 DisplayError(_("You are not examining a game"), 0);
12974 DisplayError(_("You can't revert while pausing"), 0);
12977 SendToICS(ics_prefix);
12978 SendToICS("revert\n");
12984 switch (gameMode) {
12985 case MachinePlaysWhite:
12986 case MachinePlaysBlack:
12987 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12988 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12991 if (forwardMostMove < 2) return;
12992 currentMove = forwardMostMove = forwardMostMove - 2;
12993 whiteTimeRemaining = timeRemaining[0][currentMove];
12994 blackTimeRemaining = timeRemaining[1][currentMove];
12995 DisplayBothClocks();
12996 DisplayMove(currentMove - 1);
12997 ClearHighlights();/*!! could figure this out*/
12998 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12999 SendToProgram("remove\n", &first);
13000 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
13003 case BeginningOfGame:
13007 case IcsPlayingWhite:
13008 case IcsPlayingBlack:
13009 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
13010 SendToICS(ics_prefix);
13011 SendToICS("takeback 2\n");
13013 SendToICS(ics_prefix);
13014 SendToICS("takeback 1\n");
13023 ChessProgramState *cps;
13025 switch (gameMode) {
13026 case MachinePlaysWhite:
13027 if (!WhiteOnMove(forwardMostMove)) {
13028 DisplayError(_("It is your turn"), 0);
13033 case MachinePlaysBlack:
13034 if (WhiteOnMove(forwardMostMove)) {
13035 DisplayError(_("It is your turn"), 0);
13040 case TwoMachinesPlay:
13041 if (WhiteOnMove(forwardMostMove) ==
13042 (first.twoMachinesColor[0] == 'w')) {
13048 case BeginningOfGame:
13052 SendToProgram("?\n", cps);
13056 TruncateGameEvent()
13059 if (gameMode != EditGame) return;
13066 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
13067 if (forwardMostMove > currentMove) {
13068 if (gameInfo.resultDetails != NULL) {
13069 free(gameInfo.resultDetails);
13070 gameInfo.resultDetails = NULL;
13071 gameInfo.result = GameUnfinished;
13073 forwardMostMove = currentMove;
13074 HistorySet(parseList, backwardMostMove, forwardMostMove,
13082 if (appData.noChessProgram) return;
13083 switch (gameMode) {
13084 case MachinePlaysWhite:
13085 if (WhiteOnMove(forwardMostMove)) {
13086 DisplayError(_("Wait until your turn"), 0);
13090 case BeginningOfGame:
13091 case MachinePlaysBlack:
13092 if (!WhiteOnMove(forwardMostMove)) {
13093 DisplayError(_("Wait until your turn"), 0);
13098 DisplayError(_("No hint available"), 0);
13101 SendToProgram("hint\n", &first);
13102 hintRequested = TRUE;
13108 if (appData.noChessProgram) return;
13109 switch (gameMode) {
13110 case MachinePlaysWhite:
13111 if (WhiteOnMove(forwardMostMove)) {
13112 DisplayError(_("Wait until your turn"), 0);
13116 case BeginningOfGame:
13117 case MachinePlaysBlack:
13118 if (!WhiteOnMove(forwardMostMove)) {
13119 DisplayError(_("Wait until your turn"), 0);
13124 EditPositionDone(TRUE);
13126 case TwoMachinesPlay:
13131 SendToProgram("bk\n", &first);
13132 bookOutput[0] = NULLCHAR;
13133 bookRequested = TRUE;
13139 char *tags = PGNTags(&gameInfo);
13140 TagsPopUp(tags, CmailMsg());
13144 /* end button procedures */
13147 PrintPosition(fp, move)
13153 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13154 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13155 char c = PieceToChar(boards[move][i][j]);
13156 fputc(c == 'x' ? '.' : c, fp);
13157 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13160 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13161 fprintf(fp, "white to play\n");
13163 fprintf(fp, "black to play\n");
13170 if (gameInfo.white != NULL) {
13171 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13177 /* Find last component of program's own name, using some heuristics */
13179 TidyProgramName(prog, host, buf)
13180 char *prog, *host, buf[MSG_SIZ];
13183 int local = (strcmp(host, "localhost") == 0);
13184 while (!local && (p = strchr(prog, ';')) != NULL) {
13186 while (*p == ' ') p++;
13189 if (*prog == '"' || *prog == '\'') {
13190 q = strchr(prog + 1, *prog);
13192 q = strchr(prog, ' ');
13194 if (q == NULL) q = prog + strlen(prog);
13196 while (p >= prog && *p != '/' && *p != '\\') p--;
13198 if(p == prog && *p == '"') p++;
13199 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13200 memcpy(buf, p, q - p);
13201 buf[q - p] = NULLCHAR;
13209 TimeControlTagValue()
13212 if (!appData.clockMode) {
13213 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
13214 } else if (movesPerSession > 0) {
13215 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
13216 } else if (timeIncrement == 0) {
13217 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
13219 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13221 return StrSave(buf);
13227 /* This routine is used only for certain modes */
13228 VariantClass v = gameInfo.variant;
13229 ChessMove r = GameUnfinished;
13232 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13233 r = gameInfo.result;
13234 p = gameInfo.resultDetails;
13235 gameInfo.resultDetails = NULL;
13237 ClearGameInfo(&gameInfo);
13238 gameInfo.variant = v;
13240 switch (gameMode) {
13241 case MachinePlaysWhite:
13242 gameInfo.event = StrSave( appData.pgnEventHeader );
13243 gameInfo.site = StrSave(HostName());
13244 gameInfo.date = PGNDate();
13245 gameInfo.round = StrSave("-");
13246 gameInfo.white = StrSave(first.tidy);
13247 gameInfo.black = StrSave(UserName());
13248 gameInfo.timeControl = TimeControlTagValue();
13251 case MachinePlaysBlack:
13252 gameInfo.event = StrSave( appData.pgnEventHeader );
13253 gameInfo.site = StrSave(HostName());
13254 gameInfo.date = PGNDate();
13255 gameInfo.round = StrSave("-");
13256 gameInfo.white = StrSave(UserName());
13257 gameInfo.black = StrSave(first.tidy);
13258 gameInfo.timeControl = TimeControlTagValue();
13261 case TwoMachinesPlay:
13262 gameInfo.event = StrSave( appData.pgnEventHeader );
13263 gameInfo.site = StrSave(HostName());
13264 gameInfo.date = PGNDate();
13265 if (matchGame > 0) {
13267 snprintf(buf, MSG_SIZ, "%d", matchGame);
13268 gameInfo.round = StrSave(buf);
13270 gameInfo.round = StrSave("-");
13272 if (first.twoMachinesColor[0] == 'w') {
13273 gameInfo.white = StrSave(first.tidy);
13274 gameInfo.black = StrSave(second.tidy);
13276 gameInfo.white = StrSave(second.tidy);
13277 gameInfo.black = StrSave(first.tidy);
13279 gameInfo.timeControl = TimeControlTagValue();
13283 gameInfo.event = StrSave("Edited game");
13284 gameInfo.site = StrSave(HostName());
13285 gameInfo.date = PGNDate();
13286 gameInfo.round = StrSave("-");
13287 gameInfo.white = StrSave("-");
13288 gameInfo.black = StrSave("-");
13289 gameInfo.result = r;
13290 gameInfo.resultDetails = p;
13294 gameInfo.event = StrSave("Edited position");
13295 gameInfo.site = StrSave(HostName());
13296 gameInfo.date = PGNDate();
13297 gameInfo.round = StrSave("-");
13298 gameInfo.white = StrSave("-");
13299 gameInfo.black = StrSave("-");
13302 case IcsPlayingWhite:
13303 case IcsPlayingBlack:
13308 case PlayFromGameFile:
13309 gameInfo.event = StrSave("Game from non-PGN file");
13310 gameInfo.site = StrSave(HostName());
13311 gameInfo.date = PGNDate();
13312 gameInfo.round = StrSave("-");
13313 gameInfo.white = StrSave("?");
13314 gameInfo.black = StrSave("?");
13323 ReplaceComment(index, text)
13331 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
13332 pvInfoList[index-1].depth == len &&
13333 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
13334 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
13335 while (*text == '\n') text++;
13336 len = strlen(text);
13337 while (len > 0 && text[len - 1] == '\n') len--;
13339 if (commentList[index] != NULL)
13340 free(commentList[index]);
13343 commentList[index] = NULL;
13346 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13347 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13348 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13349 commentList[index] = (char *) malloc(len + 2);
13350 strncpy(commentList[index], text, len);
13351 commentList[index][len] = '\n';
13352 commentList[index][len + 1] = NULLCHAR;
13354 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13356 commentList[index] = (char *) malloc(len + 7);
13357 safeStrCpy(commentList[index], "{\n", 3);
13358 safeStrCpy(commentList[index]+2, text, len+1);
13359 commentList[index][len+2] = NULLCHAR;
13360 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13361 strcat(commentList[index], "\n}\n");
13375 if (ch == '\r') continue;
13377 } while (ch != '\0');
13381 AppendComment(index, text, addBraces)
13384 Boolean addBraces; // [HGM] braces: tells if we should add {}
13389 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13390 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13393 while (*text == '\n') text++;
13394 len = strlen(text);
13395 while (len > 0 && text[len - 1] == '\n') len--;
13397 if (len == 0) return;
13399 if (commentList[index] != NULL) {
13400 old = commentList[index];
13401 oldlen = strlen(old);
13402 while(commentList[index][oldlen-1] == '\n')
13403 commentList[index][--oldlen] = NULLCHAR;
13404 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13405 safeStrCpy(commentList[index], old, oldlen + len + 6);
13407 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13408 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
13409 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
13410 while (*text == '\n') { text++; len--; }
13411 commentList[index][--oldlen] = NULLCHAR;
13413 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
13414 else strcat(commentList[index], "\n");
13415 strcat(commentList[index], text);
13416 if(addBraces) strcat(commentList[index], addBraces == 2 ? ")\n" : "\n}\n");
13417 else strcat(commentList[index], "\n");
13419 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13421 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
13422 else commentList[index][0] = NULLCHAR;
13423 strcat(commentList[index], text);
13424 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
13425 if(addBraces == TRUE) strcat(commentList[index], "}\n");
13429 static char * FindStr( char * text, char * sub_text )
13431 char * result = strstr( text, sub_text );
13433 if( result != NULL ) {
13434 result += strlen( sub_text );
13440 /* [AS] Try to extract PV info from PGN comment */
13441 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13442 char *GetInfoFromComment( int index, char * text )
13444 char * sep = text, *p;
13446 if( text != NULL && index > 0 ) {
13449 int time = -1, sec = 0, deci;
13450 char * s_eval = FindStr( text, "[%eval " );
13451 char * s_emt = FindStr( text, "[%emt " );
13453 if( s_eval != NULL || s_emt != NULL ) {
13457 if( s_eval != NULL ) {
13458 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13462 if( delim != ']' ) {
13467 if( s_emt != NULL ) {
13472 /* We expect something like: [+|-]nnn.nn/dd */
13475 if(*text != '{') return text; // [HGM] braces: must be normal comment
13477 sep = strchr( text, '/' );
13478 if( sep == NULL || sep < (text+4) ) {
13483 if(p[1] == '(') { // comment starts with PV
13484 p = strchr(p, ')'); // locate end of PV
13485 if(p == NULL || sep < p+5) return text;
13486 // at this point we have something like "{(.*) +0.23/6 ..."
13487 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
13488 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
13489 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
13491 time = -1; sec = -1; deci = -1;
13492 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13493 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13494 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13495 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13499 if( score_lo < 0 || score_lo >= 100 ) {
13503 if(sec >= 0) time = 600*time + 10*sec; else
13504 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13506 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13508 /* [HGM] PV time: now locate end of PV info */
13509 while( *++sep >= '0' && *sep <= '9'); // strip depth
13511 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
13513 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13515 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13516 while(*sep == ' ') sep++;
13527 pvInfoList[index-1].depth = depth;
13528 pvInfoList[index-1].score = score;
13529 pvInfoList[index-1].time = 10*time; // centi-sec
13530 if(*sep == '}') *sep = 0; else *--sep = '{';
13531 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
13537 SendToProgram(message, cps)
13539 ChessProgramState *cps;
13541 int count, outCount, error;
13544 if (cps->pr == NULL) return;
13547 if (appData.debugMode) {
13550 fprintf(debugFP, "%ld >%-6s: %s",
13551 SubtractTimeMarks(&now, &programStartTime),
13552 cps->which, message);
13555 count = strlen(message);
13556 outCount = OutputToProcess(cps->pr, message, count, &error);
13557 if (outCount < count && !exiting
13558 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13559 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), cps->which);
13560 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13561 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13562 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13563 snprintf(buf, MSG_SIZ, "%s program exits in draw position (%s)", cps->which, cps->program);
13565 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13567 gameInfo.resultDetails = StrSave(buf);
13569 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13574 ReceiveFromProgram(isr, closure, message, count, error)
13575 InputSourceRef isr;
13583 ChessProgramState *cps = (ChessProgramState *)closure;
13585 if (isr != cps->isr) return; /* Killed intentionally */
13588 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
13589 cps->which, cps->program);
13590 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13591 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13592 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13593 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13595 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13597 gameInfo.resultDetails = StrSave(buf);
13599 RemoveInputSource(cps->isr);
13600 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13602 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
13603 cps->which, cps->program);
13604 RemoveInputSource(cps->isr);
13606 /* [AS] Program is misbehaving badly... kill it */
13607 if( count == -2 ) {
13608 DestroyChildProcess( cps->pr, 9 );
13612 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13617 if ((end_str = strchr(message, '\r')) != NULL)
13618 *end_str = NULLCHAR;
13619 if ((end_str = strchr(message, '\n')) != NULL)
13620 *end_str = NULLCHAR;
13622 if (appData.debugMode) {
13623 TimeMark now; int print = 1;
13624 char *quote = ""; char c; int i;
13626 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13627 char start = message[0];
13628 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13629 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13630 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13631 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13632 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13633 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13634 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13635 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
13636 sscanf(message, "hint: %c", &c)!=1 &&
13637 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13638 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13639 print = (appData.engineComments >= 2);
13641 message[0] = start; // restore original message
13645 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13646 SubtractTimeMarks(&now, &programStartTime), cps->which,
13652 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13653 if (appData.icsEngineAnalyze) {
13654 if (strstr(message, "whisper") != NULL ||
13655 strstr(message, "kibitz") != NULL ||
13656 strstr(message, "tellics") != NULL) return;
13659 HandleMachineMove(message, cps);
13664 SendTimeControl(cps, mps, tc, inc, sd, st)
13665 ChessProgramState *cps;
13666 int mps, inc, sd, st;
13672 if( timeControl_2 > 0 ) {
13673 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13674 tc = timeControl_2;
13677 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13678 inc /= cps->timeOdds;
13679 st /= cps->timeOdds;
13681 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13684 /* Set exact time per move, normally using st command */
13685 if (cps->stKludge) {
13686 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13688 if (seconds == 0) {
13689 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
13691 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
13694 snprintf(buf, MSG_SIZ, "st %d\n", st);
13697 /* Set conventional or incremental time control, using level command */
13698 if (seconds == 0) {
13699 /* Note old gnuchess bug -- minutes:seconds used to not work.
13700 Fixed in later versions, but still avoid :seconds
13701 when seconds is 0. */
13702 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
13704 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
13705 seconds, inc/1000.);
13708 SendToProgram(buf, cps);
13710 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13711 /* Orthogonally, limit search to given depth */
13713 if (cps->sdKludge) {
13714 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
13716 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
13718 SendToProgram(buf, cps);
13721 if(cps->nps > 0) { /* [HGM] nps */
13722 if(cps->supportsNPS == FALSE)
13723 cps->nps = -1; // don't use if engine explicitly says not supported!
13725 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
13726 SendToProgram(buf, cps);
13731 ChessProgramState *WhitePlayer()
13732 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13734 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13735 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13741 SendTimeRemaining(cps, machineWhite)
13742 ChessProgramState *cps;
13743 int /*boolean*/ machineWhite;
13745 char message[MSG_SIZ];
13748 /* Note: this routine must be called when the clocks are stopped
13749 or when they have *just* been set or switched; otherwise
13750 it will be off by the time since the current tick started.
13752 if (machineWhite) {
13753 time = whiteTimeRemaining / 10;
13754 otime = blackTimeRemaining / 10;
13756 time = blackTimeRemaining / 10;
13757 otime = whiteTimeRemaining / 10;
13759 /* [HGM] translate opponent's time by time-odds factor */
13760 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13761 if (appData.debugMode) {
13762 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13765 if (time <= 0) time = 1;
13766 if (otime <= 0) otime = 1;
13768 snprintf(message, MSG_SIZ, "time %ld\n", time);
13769 SendToProgram(message, cps);
13771 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
13772 SendToProgram(message, cps);
13776 BoolFeature(p, name, loc, cps)
13780 ChessProgramState *cps;
13783 int len = strlen(name);
13786 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13788 sscanf(*p, "%d", &val);
13790 while (**p && **p != ' ')
13792 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13793 SendToProgram(buf, cps);
13800 IntFeature(p, name, loc, cps)
13804 ChessProgramState *cps;
13807 int len = strlen(name);
13808 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13810 sscanf(*p, "%d", loc);
13811 while (**p && **p != ' ') (*p)++;
13812 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13813 SendToProgram(buf, cps);
13820 StringFeature(p, name, loc, cps)
13824 ChessProgramState *cps;
13827 int len = strlen(name);
13828 if (strncmp((*p), name, len) == 0
13829 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13831 sscanf(*p, "%[^\"]", loc);
13832 while (**p && **p != '\"') (*p)++;
13833 if (**p == '\"') (*p)++;
13834 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13835 SendToProgram(buf, cps);
13842 ParseOption(Option *opt, ChessProgramState *cps)
13843 // [HGM] options: process the string that defines an engine option, and determine
13844 // name, type, default value, and allowed value range
13846 char *p, *q, buf[MSG_SIZ];
13847 int n, min = (-1)<<31, max = 1<<31, def;
13849 if(p = strstr(opt->name, " -spin ")) {
13850 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13851 if(max < min) max = min; // enforce consistency
13852 if(def < min) def = min;
13853 if(def > max) def = max;
13858 } else if((p = strstr(opt->name, " -slider "))) {
13859 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13860 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13861 if(max < min) max = min; // enforce consistency
13862 if(def < min) def = min;
13863 if(def > max) def = max;
13867 opt->type = Spin; // Slider;
13868 } else if((p = strstr(opt->name, " -string "))) {
13869 opt->textValue = p+9;
13870 opt->type = TextBox;
13871 } else if((p = strstr(opt->name, " -file "))) {
13872 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13873 opt->textValue = p+7;
13874 opt->type = TextBox; // FileName;
13875 } else if((p = strstr(opt->name, " -path "))) {
13876 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13877 opt->textValue = p+7;
13878 opt->type = TextBox; // PathName;
13879 } else if(p = strstr(opt->name, " -check ")) {
13880 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13881 opt->value = (def != 0);
13882 opt->type = CheckBox;
13883 } else if(p = strstr(opt->name, " -combo ")) {
13884 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13885 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13886 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13887 opt->value = n = 0;
13888 while(q = StrStr(q, " /// ")) {
13889 n++; *q = 0; // count choices, and null-terminate each of them
13891 if(*q == '*') { // remember default, which is marked with * prefix
13895 cps->comboList[cps->comboCnt++] = q;
13897 cps->comboList[cps->comboCnt++] = NULL;
13899 opt->type = ComboBox;
13900 } else if(p = strstr(opt->name, " -button")) {
13901 opt->type = Button;
13902 } else if(p = strstr(opt->name, " -save")) {
13903 opt->type = SaveButton;
13904 } else return FALSE;
13905 *p = 0; // terminate option name
13906 // now look if the command-line options define a setting for this engine option.
13907 if(cps->optionSettings && cps->optionSettings[0])
13908 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13909 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13910 snprintf(buf, MSG_SIZ, "option %s", p);
13911 if(p = strstr(buf, ",")) *p = 0;
13912 if(q = strchr(buf, '=')) switch(opt->type) {
13914 for(n=0; n<opt->max; n++)
13915 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
13918 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
13922 opt->value = atoi(q+1);
13927 SendToProgram(buf, cps);
13933 FeatureDone(cps, val)
13934 ChessProgramState* cps;
13937 DelayedEventCallback cb = GetDelayedEvent();
13938 if ((cb == InitBackEnd3 && cps == &first) ||
13939 (cb == SettingsMenuIfReady && cps == &second) ||
13940 (cb == TwoMachinesEventIfReady && cps == &second)) {
13941 CancelDelayedEvent();
13942 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13944 cps->initDone = val;
13947 /* Parse feature command from engine */
13949 ParseFeatures(args, cps)
13951 ChessProgramState *cps;
13959 while (*p == ' ') p++;
13960 if (*p == NULLCHAR) return;
13962 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13963 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13964 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13965 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13966 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13967 if (BoolFeature(&p, "reuse", &val, cps)) {
13968 /* Engine can disable reuse, but can't enable it if user said no */
13969 if (!val) cps->reuse = FALSE;
13972 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13973 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13974 if (gameMode == TwoMachinesPlay) {
13975 DisplayTwoMachinesTitle();
13981 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13982 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13983 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13984 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13985 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13986 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13987 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13988 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13989 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13990 if (IntFeature(&p, "done", &val, cps)) {
13991 FeatureDone(cps, val);
13994 /* Added by Tord: */
13995 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13996 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13997 /* End of additions by Tord */
13999 /* [HGM] added features: */
14000 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
14001 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
14002 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
14003 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
14004 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
14005 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
14006 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
14007 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
14008 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
14009 SendToProgram(buf, cps);
14012 if(cps->nrOptions >= MAX_OPTIONS) {
14014 snprintf(buf, MSG_SIZ, "%s engine has too many options\n", cps->which);
14015 DisplayError(buf, 0);
14019 /* End of additions by HGM */
14021 /* unknown feature: complain and skip */
14023 while (*q && *q != '=') q++;
14024 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
14025 SendToProgram(buf, cps);
14031 while (*p && *p != '\"') p++;
14032 if (*p == '\"') p++;
14034 while (*p && *p != ' ') p++;
14042 PeriodicUpdatesEvent(newState)
14045 if (newState == appData.periodicUpdates)
14048 appData.periodicUpdates=newState;
14050 /* Display type changes, so update it now */
14051 // DisplayAnalysis();
14053 /* Get the ball rolling again... */
14055 AnalysisPeriodicEvent(1);
14056 StartAnalysisClock();
14061 PonderNextMoveEvent(newState)
14064 if (newState == appData.ponderNextMove) return;
14065 if (gameMode == EditPosition) EditPositionDone(TRUE);
14067 SendToProgram("hard\n", &first);
14068 if (gameMode == TwoMachinesPlay) {
14069 SendToProgram("hard\n", &second);
14072 SendToProgram("easy\n", &first);
14073 thinkOutput[0] = NULLCHAR;
14074 if (gameMode == TwoMachinesPlay) {
14075 SendToProgram("easy\n", &second);
14078 appData.ponderNextMove = newState;
14082 NewSettingEvent(option, feature, command, value)
14084 int option, value, *feature;
14088 if (gameMode == EditPosition) EditPositionDone(TRUE);
14089 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
14090 if(feature == NULL || *feature) SendToProgram(buf, &first);
14091 if (gameMode == TwoMachinesPlay) {
14092 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
14097 ShowThinkingEvent()
14098 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
14100 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
14101 int newState = appData.showThinking
14102 // [HGM] thinking: other features now need thinking output as well
14103 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
14105 if (oldState == newState) return;
14106 oldState = newState;
14107 if (gameMode == EditPosition) EditPositionDone(TRUE);
14109 SendToProgram("post\n", &first);
14110 if (gameMode == TwoMachinesPlay) {
14111 SendToProgram("post\n", &second);
14114 SendToProgram("nopost\n", &first);
14115 thinkOutput[0] = NULLCHAR;
14116 if (gameMode == TwoMachinesPlay) {
14117 SendToProgram("nopost\n", &second);
14120 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
14124 AskQuestionEvent(title, question, replyPrefix, which)
14125 char *title; char *question; char *replyPrefix; char *which;
14127 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
14128 if (pr == NoProc) return;
14129 AskQuestion(title, question, replyPrefix, pr);
14133 DisplayMove(moveNumber)
14136 char message[MSG_SIZ];
14138 char cpThinkOutput[MSG_SIZ];
14140 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
14142 if (moveNumber == forwardMostMove - 1 ||
14143 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14145 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
14147 if (strchr(cpThinkOutput, '\n')) {
14148 *strchr(cpThinkOutput, '\n') = NULLCHAR;
14151 *cpThinkOutput = NULLCHAR;
14154 /* [AS] Hide thinking from human user */
14155 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
14156 *cpThinkOutput = NULLCHAR;
14157 if( thinkOutput[0] != NULLCHAR ) {
14160 for( i=0; i<=hiddenThinkOutputState; i++ ) {
14161 cpThinkOutput[i] = '.';
14163 cpThinkOutput[i] = NULLCHAR;
14164 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
14168 if (moveNumber == forwardMostMove - 1 &&
14169 gameInfo.resultDetails != NULL) {
14170 if (gameInfo.resultDetails[0] == NULLCHAR) {
14171 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
14173 snprintf(res, MSG_SIZ, " {%s} %s",
14174 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
14180 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14181 DisplayMessage(res, cpThinkOutput);
14183 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
14184 WhiteOnMove(moveNumber) ? " " : ".. ",
14185 parseList[moveNumber], res);
14186 DisplayMessage(message, cpThinkOutput);
14191 DisplayComment(moveNumber, text)
14195 char title[MSG_SIZ];
14196 char buf[8000]; // comment can be long!
14199 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14200 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
14202 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
14203 WhiteOnMove(moveNumber) ? " " : ".. ",
14204 parseList[moveNumber]);
14206 // [HGM] PV info: display PV info together with (or as) comment
14207 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14208 if(text == NULL) text = "";
14209 score = pvInfoList[moveNumber].score;
14210 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14211 depth, (pvInfoList[moveNumber].time+50)/100, text);
14214 if (text != NULL && (appData.autoDisplayComment || commentUp))
14215 CommentPopUp(title, text);
14218 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14219 * might be busy thinking or pondering. It can be omitted if your
14220 * gnuchess is configured to stop thinking immediately on any user
14221 * input. However, that gnuchess feature depends on the FIONREAD
14222 * ioctl, which does not work properly on some flavors of Unix.
14226 ChessProgramState *cps;
14229 if (!cps->useSigint) return;
14230 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14231 switch (gameMode) {
14232 case MachinePlaysWhite:
14233 case MachinePlaysBlack:
14234 case TwoMachinesPlay:
14235 case IcsPlayingWhite:
14236 case IcsPlayingBlack:
14239 /* Skip if we know it isn't thinking */
14240 if (!cps->maybeThinking) return;
14241 if (appData.debugMode)
14242 fprintf(debugFP, "Interrupting %s\n", cps->which);
14243 InterruptChildProcess(cps->pr);
14244 cps->maybeThinking = FALSE;
14249 #endif /*ATTENTION*/
14255 if (whiteTimeRemaining <= 0) {
14258 if (appData.icsActive) {
14259 if (appData.autoCallFlag &&
14260 gameMode == IcsPlayingBlack && !blackFlag) {
14261 SendToICS(ics_prefix);
14262 SendToICS("flag\n");
14266 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14268 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14269 if (appData.autoCallFlag) {
14270 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14277 if (blackTimeRemaining <= 0) {
14280 if (appData.icsActive) {
14281 if (appData.autoCallFlag &&
14282 gameMode == IcsPlayingWhite && !whiteFlag) {
14283 SendToICS(ics_prefix);
14284 SendToICS("flag\n");
14288 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14290 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14291 if (appData.autoCallFlag) {
14292 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14305 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14306 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14309 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14311 if ( !WhiteOnMove(forwardMostMove) ) {
14312 /* White made time control */
14313 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
14314 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
14315 /* [HGM] time odds: correct new time quota for time odds! */
14316 / WhitePlayer()->timeOdds;
14317 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
14319 lastBlack -= blackTimeRemaining;
14320 /* Black made time control */
14321 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
14322 / WhitePlayer()->other->timeOdds;
14323 lastWhite = whiteTimeRemaining;
14328 DisplayBothClocks()
14330 int wom = gameMode == EditPosition ?
14331 !blackPlaysFirst : WhiteOnMove(currentMove);
14332 DisplayWhiteClock(whiteTimeRemaining, wom);
14333 DisplayBlackClock(blackTimeRemaining, !wom);
14337 /* Timekeeping seems to be a portability nightmare. I think everyone
14338 has ftime(), but I'm really not sure, so I'm including some ifdefs
14339 to use other calls if you don't. Clocks will be less accurate if
14340 you have neither ftime nor gettimeofday.
14343 /* VS 2008 requires the #include outside of the function */
14344 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14345 #include <sys/timeb.h>
14348 /* Get the current time as a TimeMark */
14353 #if HAVE_GETTIMEOFDAY
14355 struct timeval timeVal;
14356 struct timezone timeZone;
14358 gettimeofday(&timeVal, &timeZone);
14359 tm->sec = (long) timeVal.tv_sec;
14360 tm->ms = (int) (timeVal.tv_usec / 1000L);
14362 #else /*!HAVE_GETTIMEOFDAY*/
14365 // include <sys/timeb.h> / moved to just above start of function
14366 struct timeb timeB;
14369 tm->sec = (long) timeB.time;
14370 tm->ms = (int) timeB.millitm;
14372 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14373 tm->sec = (long) time(NULL);
14379 /* Return the difference in milliseconds between two
14380 time marks. We assume the difference will fit in a long!
14383 SubtractTimeMarks(tm2, tm1)
14384 TimeMark *tm2, *tm1;
14386 return 1000L*(tm2->sec - tm1->sec) +
14387 (long) (tm2->ms - tm1->ms);
14392 * Code to manage the game clocks.
14394 * In tournament play, black starts the clock and then white makes a move.
14395 * We give the human user a slight advantage if he is playing white---the
14396 * clocks don't run until he makes his first move, so it takes zero time.
14397 * Also, we don't account for network lag, so we could get out of sync
14398 * with GNU Chess's clock -- but then, referees are always right.
14401 static TimeMark tickStartTM;
14402 static long intendedTickLength;
14405 NextTickLength(timeRemaining)
14406 long timeRemaining;
14408 long nominalTickLength, nextTickLength;
14410 if (timeRemaining > 0L && timeRemaining <= 10000L)
14411 nominalTickLength = 100L;
14413 nominalTickLength = 1000L;
14414 nextTickLength = timeRemaining % nominalTickLength;
14415 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14417 return nextTickLength;
14420 /* Adjust clock one minute up or down */
14422 AdjustClock(Boolean which, int dir)
14424 if(which) blackTimeRemaining += 60000*dir;
14425 else whiteTimeRemaining += 60000*dir;
14426 DisplayBothClocks();
14429 /* Stop clocks and reset to a fresh time control */
14433 (void) StopClockTimer();
14434 if (appData.icsActive) {
14435 whiteTimeRemaining = blackTimeRemaining = 0;
14436 } else if (searchTime) {
14437 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14438 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14439 } else { /* [HGM] correct new time quote for time odds */
14440 whiteTC = blackTC = fullTimeControlString;
14441 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
14442 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
14444 if (whiteFlag || blackFlag) {
14446 whiteFlag = blackFlag = FALSE;
14448 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
14449 DisplayBothClocks();
14452 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14454 /* Decrement running clock by amount of time that has passed */
14458 long timeRemaining;
14459 long lastTickLength, fudge;
14462 if (!appData.clockMode) return;
14463 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14467 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14469 /* Fudge if we woke up a little too soon */
14470 fudge = intendedTickLength - lastTickLength;
14471 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14473 if (WhiteOnMove(forwardMostMove)) {
14474 if(whiteNPS >= 0) lastTickLength = 0;
14475 timeRemaining = whiteTimeRemaining -= lastTickLength;
14476 if(timeRemaining < 0 && !appData.icsActive) {
14477 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
14478 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
14479 whiteStartMove = forwardMostMove; whiteTC = nextSession;
14480 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
14483 DisplayWhiteClock(whiteTimeRemaining - fudge,
14484 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14486 if(blackNPS >= 0) lastTickLength = 0;
14487 timeRemaining = blackTimeRemaining -= lastTickLength;
14488 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
14489 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
14491 blackStartMove = forwardMostMove;
14492 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
14495 DisplayBlackClock(blackTimeRemaining - fudge,
14496 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14498 if (CheckFlags()) return;
14501 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14502 StartClockTimer(intendedTickLength);
14504 /* if the time remaining has fallen below the alarm threshold, sound the
14505 * alarm. if the alarm has sounded and (due to a takeback or time control
14506 * with increment) the time remaining has increased to a level above the
14507 * threshold, reset the alarm so it can sound again.
14510 if (appData.icsActive && appData.icsAlarm) {
14512 /* make sure we are dealing with the user's clock */
14513 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14514 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14517 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14518 alarmSounded = FALSE;
14519 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14521 alarmSounded = TRUE;
14527 /* A player has just moved, so stop the previously running
14528 clock and (if in clock mode) start the other one.
14529 We redisplay both clocks in case we're in ICS mode, because
14530 ICS gives us an update to both clocks after every move.
14531 Note that this routine is called *after* forwardMostMove
14532 is updated, so the last fractional tick must be subtracted
14533 from the color that is *not* on move now.
14536 SwitchClocks(int newMoveNr)
14538 long lastTickLength;
14540 int flagged = FALSE;
14544 if (StopClockTimer() && appData.clockMode) {
14545 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14546 if (!WhiteOnMove(forwardMostMove)) {
14547 if(blackNPS >= 0) lastTickLength = 0;
14548 blackTimeRemaining -= lastTickLength;
14549 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14550 // if(pvInfoList[forwardMostMove].time == -1)
14551 pvInfoList[forwardMostMove].time = // use GUI time
14552 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14554 if(whiteNPS >= 0) lastTickLength = 0;
14555 whiteTimeRemaining -= lastTickLength;
14556 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14557 // if(pvInfoList[forwardMostMove].time == -1)
14558 pvInfoList[forwardMostMove].time =
14559 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14561 flagged = CheckFlags();
14563 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14564 CheckTimeControl();
14566 if (flagged || !appData.clockMode) return;
14568 switch (gameMode) {
14569 case MachinePlaysBlack:
14570 case MachinePlaysWhite:
14571 case BeginningOfGame:
14572 if (pausing) return;
14576 case PlayFromGameFile:
14584 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14585 if(WhiteOnMove(forwardMostMove))
14586 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14587 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14591 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14592 whiteTimeRemaining : blackTimeRemaining);
14593 StartClockTimer(intendedTickLength);
14597 /* Stop both clocks */
14601 long lastTickLength;
14604 if (!StopClockTimer()) return;
14605 if (!appData.clockMode) return;
14609 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14610 if (WhiteOnMove(forwardMostMove)) {
14611 if(whiteNPS >= 0) lastTickLength = 0;
14612 whiteTimeRemaining -= lastTickLength;
14613 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14615 if(blackNPS >= 0) lastTickLength = 0;
14616 blackTimeRemaining -= lastTickLength;
14617 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14622 /* Start clock of player on move. Time may have been reset, so
14623 if clock is already running, stop and restart it. */
14627 (void) StopClockTimer(); /* in case it was running already */
14628 DisplayBothClocks();
14629 if (CheckFlags()) return;
14631 if (!appData.clockMode) return;
14632 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14634 GetTimeMark(&tickStartTM);
14635 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14636 whiteTimeRemaining : blackTimeRemaining);
14638 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14639 whiteNPS = blackNPS = -1;
14640 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14641 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14642 whiteNPS = first.nps;
14643 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14644 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14645 blackNPS = first.nps;
14646 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14647 whiteNPS = second.nps;
14648 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14649 blackNPS = second.nps;
14650 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14652 StartClockTimer(intendedTickLength);
14659 long second, minute, hour, day;
14661 static char buf[32];
14663 if (ms > 0 && ms <= 9900) {
14664 /* convert milliseconds to tenths, rounding up */
14665 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14667 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
14671 /* convert milliseconds to seconds, rounding up */
14672 /* use floating point to avoid strangeness of integer division
14673 with negative dividends on many machines */
14674 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14681 day = second / (60 * 60 * 24);
14682 second = second % (60 * 60 * 24);
14683 hour = second / (60 * 60);
14684 second = second % (60 * 60);
14685 minute = second / 60;
14686 second = second % 60;
14689 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
14690 sign, day, hour, minute, second);
14692 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14694 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
14701 * This is necessary because some C libraries aren't ANSI C compliant yet.
14704 StrStr(string, match)
14705 char *string, *match;
14709 length = strlen(match);
14711 for (i = strlen(string) - length; i >= 0; i--, string++)
14712 if (!strncmp(match, string, length))
14719 StrCaseStr(string, match)
14720 char *string, *match;
14724 length = strlen(match);
14726 for (i = strlen(string) - length; i >= 0; i--, string++) {
14727 for (j = 0; j < length; j++) {
14728 if (ToLower(match[j]) != ToLower(string[j]))
14731 if (j == length) return string;
14745 c1 = ToLower(*s1++);
14746 c2 = ToLower(*s2++);
14747 if (c1 > c2) return 1;
14748 if (c1 < c2) return -1;
14749 if (c1 == NULLCHAR) return 0;
14758 return isupper(c) ? tolower(c) : c;
14766 return islower(c) ? toupper(c) : c;
14768 #endif /* !_amigados */
14776 if ((ret = (char *) malloc(strlen(s) + 1)))
14778 safeStrCpy(ret, s, strlen(s)+1);
14784 StrSavePtr(s, savePtr)
14785 char *s, **savePtr;
14790 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14791 safeStrCpy(*savePtr, s, strlen(s)+1);
14803 clock = time((time_t *)NULL);
14804 tm = localtime(&clock);
14805 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
14806 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14807 return StrSave(buf);
14812 PositionToFEN(move, overrideCastling)
14814 char *overrideCastling;
14816 int i, j, fromX, fromY, toX, toY;
14823 whiteToPlay = (gameMode == EditPosition) ?
14824 !blackPlaysFirst : (move % 2 == 0);
14827 /* Piece placement data */
14828 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14830 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14831 if (boards[move][i][j] == EmptySquare) {
14833 } else { ChessSquare piece = boards[move][i][j];
14834 if (emptycount > 0) {
14835 if(emptycount<10) /* [HGM] can be >= 10 */
14836 *p++ = '0' + emptycount;
14837 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14840 if(PieceToChar(piece) == '+') {
14841 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14843 piece = (ChessSquare)(DEMOTED piece);
14845 *p++ = PieceToChar(piece);
14847 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14848 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14853 if (emptycount > 0) {
14854 if(emptycount<10) /* [HGM] can be >= 10 */
14855 *p++ = '0' + emptycount;
14856 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14863 /* [HGM] print Crazyhouse or Shogi holdings */
14864 if( gameInfo.holdingsWidth ) {
14865 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14867 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14868 piece = boards[move][i][BOARD_WIDTH-1];
14869 if( piece != EmptySquare )
14870 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14871 *p++ = PieceToChar(piece);
14873 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14874 piece = boards[move][BOARD_HEIGHT-i-1][0];
14875 if( piece != EmptySquare )
14876 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14877 *p++ = PieceToChar(piece);
14880 if( q == p ) *p++ = '-';
14886 *p++ = whiteToPlay ? 'w' : 'b';
14889 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14890 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14892 if(nrCastlingRights) {
14894 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14895 /* [HGM] write directly from rights */
14896 if(boards[move][CASTLING][2] != NoRights &&
14897 boards[move][CASTLING][0] != NoRights )
14898 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14899 if(boards[move][CASTLING][2] != NoRights &&
14900 boards[move][CASTLING][1] != NoRights )
14901 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14902 if(boards[move][CASTLING][5] != NoRights &&
14903 boards[move][CASTLING][3] != NoRights )
14904 *p++ = boards[move][CASTLING][3] + AAA;
14905 if(boards[move][CASTLING][5] != NoRights &&
14906 boards[move][CASTLING][4] != NoRights )
14907 *p++ = boards[move][CASTLING][4] + AAA;
14910 /* [HGM] write true castling rights */
14911 if( nrCastlingRights == 6 ) {
14912 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14913 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14914 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14915 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14916 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14917 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14918 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14919 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14922 if (q == p) *p++ = '-'; /* No castling rights */
14926 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14927 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14928 /* En passant target square */
14929 if (move > backwardMostMove) {
14930 fromX = moveList[move - 1][0] - AAA;
14931 fromY = moveList[move - 1][1] - ONE;
14932 toX = moveList[move - 1][2] - AAA;
14933 toY = moveList[move - 1][3] - ONE;
14934 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14935 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14936 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14938 /* 2-square pawn move just happened */
14940 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14944 } else if(move == backwardMostMove) {
14945 // [HGM] perhaps we should always do it like this, and forget the above?
14946 if((signed char)boards[move][EP_STATUS] >= 0) {
14947 *p++ = boards[move][EP_STATUS] + AAA;
14948 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14959 /* [HGM] find reversible plies */
14960 { int i = 0, j=move;
14962 if (appData.debugMode) { int k;
14963 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14964 for(k=backwardMostMove; k<=forwardMostMove; k++)
14965 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14969 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14970 if( j == backwardMostMove ) i += initialRulePlies;
14971 sprintf(p, "%d ", i);
14972 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14974 /* Fullmove number */
14975 sprintf(p, "%d", (move / 2) + 1);
14977 return StrSave(buf);
14981 ParseFEN(board, blackPlaysFirst, fen)
14983 int *blackPlaysFirst;
14993 /* [HGM] by default clear Crazyhouse holdings, if present */
14994 if(gameInfo.holdingsWidth) {
14995 for(i=0; i<BOARD_HEIGHT; i++) {
14996 board[i][0] = EmptySquare; /* black holdings */
14997 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14998 board[i][1] = (ChessSquare) 0; /* black counts */
14999 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
15003 /* Piece placement data */
15004 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15007 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
15008 if (*p == '/') p++;
15009 emptycount = gameInfo.boardWidth - j;
15010 while (emptycount--)
15011 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15013 #if(BOARD_FILES >= 10)
15014 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
15015 p++; emptycount=10;
15016 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15017 while (emptycount--)
15018 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15020 } else if (isdigit(*p)) {
15021 emptycount = *p++ - '0';
15022 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
15023 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15024 while (emptycount--)
15025 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15026 } else if (*p == '+' || isalpha(*p)) {
15027 if (j >= gameInfo.boardWidth) return FALSE;
15029 piece = CharToPiece(*++p);
15030 if(piece == EmptySquare) return FALSE; /* unknown piece */
15031 piece = (ChessSquare) (PROMOTED piece ); p++;
15032 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
15033 } else piece = CharToPiece(*p++);
15035 if(piece==EmptySquare) return FALSE; /* unknown piece */
15036 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
15037 piece = (ChessSquare) (PROMOTED piece);
15038 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
15041 board[i][(j++)+gameInfo.holdingsWidth] = piece;
15047 while (*p == '/' || *p == ' ') p++;
15049 /* [HGM] look for Crazyhouse holdings here */
15050 while(*p==' ') p++;
15051 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
15053 if(*p == '-' ) p++; /* empty holdings */ else {
15054 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
15055 /* if we would allow FEN reading to set board size, we would */
15056 /* have to add holdings and shift the board read so far here */
15057 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
15059 if((int) piece >= (int) BlackPawn ) {
15060 i = (int)piece - (int)BlackPawn;
15061 i = PieceToNumber((ChessSquare)i);
15062 if( i >= gameInfo.holdingsSize ) return FALSE;
15063 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
15064 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
15066 i = (int)piece - (int)WhitePawn;
15067 i = PieceToNumber((ChessSquare)i);
15068 if( i >= gameInfo.holdingsSize ) return FALSE;
15069 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
15070 board[i][BOARD_WIDTH-2]++; /* black holdings */
15077 while(*p == ' ') p++;
15081 if(appData.colorNickNames) {
15082 if( c == appData.colorNickNames[0] ) c = 'w'; else
15083 if( c == appData.colorNickNames[1] ) c = 'b';
15087 *blackPlaysFirst = FALSE;
15090 *blackPlaysFirst = TRUE;
15096 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
15097 /* return the extra info in global variiables */
15099 /* set defaults in case FEN is incomplete */
15100 board[EP_STATUS] = EP_UNKNOWN;
15101 for(i=0; i<nrCastlingRights; i++ ) {
15102 board[CASTLING][i] =
15103 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
15104 } /* assume possible unless obviously impossible */
15105 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
15106 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
15107 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
15108 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
15109 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
15110 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
15111 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
15112 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
15115 while(*p==' ') p++;
15116 if(nrCastlingRights) {
15117 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
15118 /* castling indicator present, so default becomes no castlings */
15119 for(i=0; i<nrCastlingRights; i++ ) {
15120 board[CASTLING][i] = NoRights;
15123 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
15124 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
15125 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
15126 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
15127 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
15129 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
15130 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
15131 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
15133 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
15134 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
15135 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
15136 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
15137 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
15138 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
15141 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
15142 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
15143 board[CASTLING][2] = whiteKingFile;
15146 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
15147 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
15148 board[CASTLING][2] = whiteKingFile;
15151 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
15152 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
15153 board[CASTLING][5] = blackKingFile;
15156 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
15157 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
15158 board[CASTLING][5] = blackKingFile;
15161 default: /* FRC castlings */
15162 if(c >= 'a') { /* black rights */
15163 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15164 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
15165 if(i == BOARD_RGHT) break;
15166 board[CASTLING][5] = i;
15168 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
15169 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
15171 board[CASTLING][3] = c;
15173 board[CASTLING][4] = c;
15174 } else { /* white rights */
15175 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15176 if(board[0][i] == WhiteKing) break;
15177 if(i == BOARD_RGHT) break;
15178 board[CASTLING][2] = i;
15179 c -= AAA - 'a' + 'A';
15180 if(board[0][c] >= WhiteKing) break;
15182 board[CASTLING][0] = c;
15184 board[CASTLING][1] = c;
15188 for(i=0; i<nrCastlingRights; i++)
15189 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
15190 if (appData.debugMode) {
15191 fprintf(debugFP, "FEN castling rights:");
15192 for(i=0; i<nrCastlingRights; i++)
15193 fprintf(debugFP, " %d", board[CASTLING][i]);
15194 fprintf(debugFP, "\n");
15197 while(*p==' ') p++;
15200 /* read e.p. field in games that know e.p. capture */
15201 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15202 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15204 p++; board[EP_STATUS] = EP_NONE;
15206 char c = *p++ - AAA;
15208 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
15209 if(*p >= '0' && *p <='9') p++;
15210 board[EP_STATUS] = c;
15215 if(sscanf(p, "%d", &i) == 1) {
15216 FENrulePlies = i; /* 50-move ply counter */
15217 /* (The move number is still ignored) */
15224 EditPositionPasteFEN(char *fen)
15227 Board initial_position;
15229 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
15230 DisplayError(_("Bad FEN position in clipboard"), 0);
15233 int savedBlackPlaysFirst = blackPlaysFirst;
15234 EditPositionEvent();
15235 blackPlaysFirst = savedBlackPlaysFirst;
15236 CopyBoard(boards[0], initial_position);
15237 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15238 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15239 DisplayBothClocks();
15240 DrawPosition(FALSE, boards[currentMove]);
15245 static char cseq[12] = "\\ ";
15247 Boolean set_cont_sequence(char *new_seq)
15252 // handle bad attempts to set the sequence
15254 return 0; // acceptable error - no debug
15256 len = strlen(new_seq);
15257 ret = (len > 0) && (len < sizeof(cseq));
15259 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
15260 else if (appData.debugMode)
15261 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15266 reformat a source message so words don't cross the width boundary. internal
15267 newlines are not removed. returns the wrapped size (no null character unless
15268 included in source message). If dest is NULL, only calculate the size required
15269 for the dest buffer. lp argument indicats line position upon entry, and it's
15270 passed back upon exit.
15272 int wrap(char *dest, char *src, int count, int width, int *lp)
15274 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15276 cseq_len = strlen(cseq);
15277 old_line = line = *lp;
15278 ansi = len = clen = 0;
15280 for (i=0; i < count; i++)
15282 if (src[i] == '\033')
15285 // if we hit the width, back up
15286 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15288 // store i & len in case the word is too long
15289 old_i = i, old_len = len;
15291 // find the end of the last word
15292 while (i && src[i] != ' ' && src[i] != '\n')
15298 // word too long? restore i & len before splitting it
15299 if ((old_i-i+clen) >= width)
15306 if (i && src[i-1] == ' ')
15309 if (src[i] != ' ' && src[i] != '\n')
15316 // now append the newline and continuation sequence
15321 strncpy(dest+len, cseq, cseq_len);
15329 dest[len] = src[i];
15333 if (src[i] == '\n')
15338 if (dest && appData.debugMode)
15340 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15341 count, width, line, len, *lp);
15342 show_bytes(debugFP, src, count);
15343 fprintf(debugFP, "\ndest: ");
15344 show_bytes(debugFP, dest, len);
15345 fprintf(debugFP, "\n");
15347 *lp = dest ? line : old_line;
15352 // [HGM] vari: routines for shelving variations
15355 PushTail(int firstMove, int lastMove)
15357 int i, j, nrMoves = lastMove - firstMove;
15359 if(appData.icsActive) { // only in local mode
15360 forwardMostMove = currentMove; // mimic old ICS behavior
15363 if(storedGames >= MAX_VARIATIONS-1) return;
15365 // push current tail of game on stack
15366 savedResult[storedGames] = gameInfo.result;
15367 savedDetails[storedGames] = gameInfo.resultDetails;
15368 gameInfo.resultDetails = NULL;
15369 savedFirst[storedGames] = firstMove;
15370 savedLast [storedGames] = lastMove;
15371 savedFramePtr[storedGames] = framePtr;
15372 framePtr -= nrMoves; // reserve space for the boards
15373 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15374 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15375 for(j=0; j<MOVE_LEN; j++)
15376 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15377 for(j=0; j<2*MOVE_LEN; j++)
15378 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15379 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15380 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15381 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15382 pvInfoList[firstMove+i-1].depth = 0;
15383 commentList[framePtr+i] = commentList[firstMove+i];
15384 commentList[firstMove+i] = NULL;
15388 forwardMostMove = firstMove; // truncate game so we can start variation
15389 if(storedGames == 1) GreyRevert(FALSE);
15393 PopTail(Boolean annotate)
15396 char buf[8000], moveBuf[20];
15398 if(appData.icsActive) return FALSE; // only in local mode
15399 if(!storedGames) return FALSE; // sanity
15400 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15403 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15404 nrMoves = savedLast[storedGames] - currentMove;
15407 if(!WhiteOnMove(currentMove))
15408 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
15409 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
15410 for(i=currentMove; i<forwardMostMove; i++) {
15412 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
15413 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
15414 strcat(buf, moveBuf);
15415 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15416 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15420 for(i=1; i<=nrMoves; i++) { // copy last variation back
15421 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15422 for(j=0; j<MOVE_LEN; j++)
15423 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15424 for(j=0; j<2*MOVE_LEN; j++)
15425 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15426 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15427 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15428 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15429 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15430 commentList[currentMove+i] = commentList[framePtr+i];
15431 commentList[framePtr+i] = NULL;
15433 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15434 framePtr = savedFramePtr[storedGames];
15435 gameInfo.result = savedResult[storedGames];
15436 if(gameInfo.resultDetails != NULL) {
15437 free(gameInfo.resultDetails);
15439 gameInfo.resultDetails = savedDetails[storedGames];
15440 forwardMostMove = currentMove + nrMoves;
15441 if(storedGames == 0) GreyRevert(TRUE);
15447 { // remove all shelved variations
15449 for(i=0; i<storedGames; i++) {
15450 if(savedDetails[i])
15451 free(savedDetails[i]);
15452 savedDetails[i] = NULL;
15454 for(i=framePtr; i<MAX_MOVES; i++) {
15455 if(commentList[i]) free(commentList[i]);
15456 commentList[i] = NULL;
15458 framePtr = MAX_MOVES-1;
15463 LoadVariation(int index, char *text)
15464 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15465 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15466 int level = 0, move;
15468 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15469 // first find outermost bracketing variation
15470 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15471 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15472 if(*p == '{') wait = '}'; else
15473 if(*p == '[') wait = ']'; else
15474 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15475 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15477 if(*p == wait) wait = NULLCHAR; // closing ]} found
15480 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15481 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15482 end[1] = NULLCHAR; // clip off comment beyond variation
15483 ToNrEvent(currentMove-1);
15484 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15485 // kludge: use ParsePV() to append variation to game
15486 move = currentMove;
15487 ParsePV(start, TRUE);
15488 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15489 ClearPremoveHighlights();
15491 ToNrEvent(currentMove+1);