2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011, 2012 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 int flock(int f, int code);
75 #include <sys/types.h>
84 #else /* not STDC_HEADERS */
87 # else /* not HAVE_STRING_H */
89 # endif /* not HAVE_STRING_H */
90 #endif /* not STDC_HEADERS */
93 # include <sys/fcntl.h>
94 #else /* not HAVE_SYS_FCNTL_H */
97 # endif /* HAVE_FCNTL_H */
98 #endif /* not HAVE_SYS_FCNTL_H */
100 #if TIME_WITH_SYS_TIME
101 # include <sys/time.h>
105 # include <sys/time.h>
111 #if defined(_amigados) && !defined(__GNUC__)
116 extern int gettimeofday(struct timeval *, struct timezone *);
124 #include "frontend.h"
131 #include "backendz.h"
135 # define _(s) gettext (s)
136 # define N_(s) gettext_noop (s)
137 # define T_(s) gettext(s)
150 int establish P((void));
151 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
152 char *buf, int count, int error));
153 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
154 char *buf, int count, int error));
155 void SendToICS P((char *s));
156 void SendToICSDelayed P((char *s, long msdelay));
157 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
158 void HandleMachineMove P((char *message, ChessProgramState *cps));
159 int AutoPlayOneMove P((void));
160 int LoadGameOneMove P((ChessMove readAhead));
161 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
162 int LoadPositionFromFile P((char *filename, int n, char *title));
163 int SavePositionToFile P((char *filename));
164 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
165 void ShowMove P((int fromX, int fromY, int toX, int toY));
166 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
167 /*char*/int promoChar));
168 void BackwardInner P((int target));
169 void ForwardInner P((int target));
170 int Adjudicate P((ChessProgramState *cps));
171 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
172 void EditPositionDone P((Boolean fakeRights));
173 void PrintOpponents P((FILE *fp));
174 void PrintPosition P((FILE *fp, int move));
175 void StartChessProgram P((ChessProgramState *cps));
176 void SendToProgram P((char *message, ChessProgramState *cps));
177 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
178 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
179 char *buf, int count, int error));
180 void SendTimeControl P((ChessProgramState *cps,
181 int mps, long tc, int inc, int sd, int st));
182 char *TimeControlTagValue P((void));
183 void Attention P((ChessProgramState *cps));
184 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
185 int ResurrectChessProgram P((void));
186 void DisplayComment P((int moveNumber, char *text));
187 void DisplayMove P((int moveNumber));
189 void ParseGameHistory P((char *game));
190 void ParseBoard12 P((char *string));
191 void KeepAlive P((void));
192 void StartClocks P((void));
193 void SwitchClocks P((int nr));
194 void StopClocks P((void));
195 void ResetClocks P((void));
196 char *PGNDate P((void));
197 void SetGameInfo P((void));
198 int RegisterMove P((void));
199 void MakeRegisteredMove P((void));
200 void TruncateGame P((void));
201 int looking_at P((char *, int *, char *));
202 void CopyPlayerNameIntoFileName P((char **, char *));
203 char *SavePart P((char *));
204 int SaveGameOldStyle P((FILE *));
205 int SaveGamePGN P((FILE *));
206 int CheckFlags P((void));
207 long NextTickLength P((long));
208 void CheckTimeControl P((void));
209 void show_bytes P((FILE *, char *, int));
210 int string_to_rating P((char *str));
211 void ParseFeatures P((char* args, ChessProgramState *cps));
212 void InitBackEnd3 P((void));
213 void FeatureDone P((ChessProgramState* cps, int val));
214 void InitChessProgram P((ChessProgramState *cps, int setup));
215 void OutputKibitz(int window, char *text);
216 int PerpetualChase(int first, int last);
217 int EngineOutputIsUp();
218 void InitDrawingSizes(int x, int y);
219 void NextMatchGame P((void));
220 int NextTourneyGame P((int nr, int *swap));
221 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
222 FILE *WriteTourneyFile P((char *results, FILE *f));
223 void DisplayTwoMachinesTitle P(());
224 static void ExcludeClick P((int index));
227 extern void ConsoleCreate();
230 ChessProgramState *WhitePlayer();
231 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
232 int VerifyDisplayMode P(());
234 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
235 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
236 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
237 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
238 void ics_update_width P((int new_width));
239 extern char installDir[MSG_SIZ];
240 VariantClass startVariant; /* [HGM] nicks: initial variant */
243 extern int tinyLayout, smallLayout;
244 ChessProgramStats programStats;
245 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
247 static int exiting = 0; /* [HGM] moved to top */
248 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
249 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
250 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
251 int partnerHighlight[2];
252 Boolean partnerBoardValid = 0;
253 char partnerStatus[MSG_SIZ];
255 Boolean originalFlip;
256 Boolean twoBoards = 0;
257 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
258 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
259 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
260 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
261 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
262 int opponentKibitzes;
263 int lastSavedGame; /* [HGM] save: ID of game */
264 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
265 extern int chatCount;
267 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
268 char lastMsg[MSG_SIZ];
269 ChessSquare pieceSweep = EmptySquare;
270 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
271 int promoDefaultAltered;
273 /* States for ics_getting_history */
275 #define H_REQUESTED 1
276 #define H_GOT_REQ_HEADER 2
277 #define H_GOT_UNREQ_HEADER 3
278 #define H_GETTING_MOVES 4
279 #define H_GOT_UNWANTED_HEADER 5
281 /* whosays values for GameEnds */
290 /* Maximum number of games in a cmail message */
291 #define CMAIL_MAX_GAMES 20
293 /* Different types of move when calling RegisterMove */
295 #define CMAIL_RESIGN 1
297 #define CMAIL_ACCEPT 3
299 /* Different types of result to remember for each game */
300 #define CMAIL_NOT_RESULT 0
301 #define CMAIL_OLD_RESULT 1
302 #define CMAIL_NEW_RESULT 2
304 /* Telnet protocol constants */
315 safeStrCpy (char *dst, const char *src, size_t count)
318 assert( dst != NULL );
319 assert( src != NULL );
322 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
323 if( i == count && dst[count-1] != NULLCHAR)
325 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
326 if(appData.debugMode)
327 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
333 /* Some compiler can't cast u64 to double
334 * This function do the job for us:
336 * We use the highest bit for cast, this only
337 * works if the highest bit is not
338 * in use (This should not happen)
340 * We used this for all compiler
343 u64ToDouble (u64 value)
346 u64 tmp = value & u64Const(0x7fffffffffffffff);
347 r = (double)(s64)tmp;
348 if (value & u64Const(0x8000000000000000))
349 r += 9.2233720368547758080e18; /* 2^63 */
353 /* Fake up flags for now, as we aren't keeping track of castling
354 availability yet. [HGM] Change of logic: the flag now only
355 indicates the type of castlings allowed by the rule of the game.
356 The actual rights themselves are maintained in the array
357 castlingRights, as part of the game history, and are not probed
363 int flags = F_ALL_CASTLE_OK;
364 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
365 switch (gameInfo.variant) {
367 flags &= ~F_ALL_CASTLE_OK;
368 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
369 flags |= F_IGNORE_CHECK;
371 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
374 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
376 case VariantKriegspiel:
377 flags |= F_KRIEGSPIEL_CAPTURE;
379 case VariantCapaRandom:
380 case VariantFischeRandom:
381 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
382 case VariantNoCastle:
383 case VariantShatranj:
387 flags &= ~F_ALL_CASTLE_OK;
395 FILE *gameFileFP, *debugFP, *serverFP;
396 char *currentDebugFile; // [HGM] debug split: to remember name
399 [AS] Note: sometimes, the sscanf() function is used to parse the input
400 into a fixed-size buffer. Because of this, we must be prepared to
401 receive strings as long as the size of the input buffer, which is currently
402 set to 4K for Windows and 8K for the rest.
403 So, we must either allocate sufficiently large buffers here, or
404 reduce the size of the input buffer in the input reading part.
407 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
408 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
409 char thinkOutput1[MSG_SIZ*10];
411 ChessProgramState first, second, pairing;
413 /* premove variables */
416 int premoveFromX = 0;
417 int premoveFromY = 0;
418 int premovePromoChar = 0;
420 Boolean alarmSounded;
421 /* end premove variables */
423 char *ics_prefix = "$";
424 int ics_type = ICS_GENERIC;
426 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
427 int pauseExamForwardMostMove = 0;
428 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
429 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
430 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
431 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
432 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
433 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
434 int whiteFlag = FALSE, blackFlag = FALSE;
435 int userOfferedDraw = FALSE;
436 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
437 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
438 int cmailMoveType[CMAIL_MAX_GAMES];
439 long ics_clock_paused = 0;
440 ProcRef icsPR = NoProc, cmailPR = NoProc;
441 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
442 GameMode gameMode = BeginningOfGame;
443 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
444 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
445 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
446 int hiddenThinkOutputState = 0; /* [AS] */
447 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
448 int adjudicateLossPlies = 6;
449 char white_holding[64], black_holding[64];
450 TimeMark lastNodeCountTime;
451 long lastNodeCount=0;
452 int shiftKey, controlKey; // [HGM] set by mouse handler
454 int have_sent_ICS_logon = 0;
456 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
457 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
458 Boolean adjustedClock;
459 long timeControl_2; /* [AS] Allow separate time controls */
460 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
461 long timeRemaining[2][MAX_MOVES];
462 int matchGame = 0, nextGame = 0, roundNr = 0;
463 Boolean waitingForGame = FALSE;
464 TimeMark programStartTime, pauseStart;
465 char ics_handle[MSG_SIZ];
466 int have_set_title = 0;
468 /* animateTraining preserves the state of appData.animate
469 * when Training mode is activated. This allows the
470 * response to be animated when appData.animate == TRUE and
471 * appData.animateDragging == TRUE.
473 Boolean animateTraining;
479 Board boards[MAX_MOVES];
480 /* [HGM] Following 7 needed for accurate legality tests: */
481 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
482 signed char initialRights[BOARD_FILES];
483 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
484 int initialRulePlies, FENrulePlies;
485 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
487 Boolean shuffleOpenings;
488 int mute; // mute all sounds
490 // [HGM] vari: next 12 to save and restore variations
491 #define MAX_VARIATIONS 10
492 int framePtr = MAX_MOVES-1; // points to free stack entry
494 int savedFirst[MAX_VARIATIONS];
495 int savedLast[MAX_VARIATIONS];
496 int savedFramePtr[MAX_VARIATIONS];
497 char *savedDetails[MAX_VARIATIONS];
498 ChessMove savedResult[MAX_VARIATIONS];
500 void PushTail P((int firstMove, int lastMove));
501 Boolean PopTail P((Boolean annotate));
502 void PushInner P((int firstMove, int lastMove));
503 void PopInner P((Boolean annotate));
504 void CleanupTail P((void));
506 ChessSquare FIDEArray[2][BOARD_FILES] = {
507 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
508 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
509 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
510 BlackKing, BlackBishop, BlackKnight, BlackRook }
513 ChessSquare twoKingsArray[2][BOARD_FILES] = {
514 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
515 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
516 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
517 BlackKing, BlackKing, BlackKnight, BlackRook }
520 ChessSquare KnightmateArray[2][BOARD_FILES] = {
521 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
522 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
523 { BlackRook, BlackMan, BlackBishop, BlackQueen,
524 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
527 ChessSquare SpartanArray[2][BOARD_FILES] = {
528 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
529 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
530 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
531 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
534 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
535 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
536 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
537 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
538 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
541 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
542 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
543 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
544 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
545 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
548 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
549 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
550 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
551 { BlackRook, BlackKnight, BlackMan, BlackFerz,
552 BlackKing, BlackMan, BlackKnight, BlackRook }
556 #if (BOARD_FILES>=10)
557 ChessSquare ShogiArray[2][BOARD_FILES] = {
558 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
559 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
560 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
561 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
564 ChessSquare XiangqiArray[2][BOARD_FILES] = {
565 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
566 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
567 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
568 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
571 ChessSquare CapablancaArray[2][BOARD_FILES] = {
572 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
573 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
574 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
575 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
578 ChessSquare GreatArray[2][BOARD_FILES] = {
579 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
580 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
581 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
582 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
585 ChessSquare JanusArray[2][BOARD_FILES] = {
586 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
587 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
588 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
589 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
592 ChessSquare GrandArray[2][BOARD_FILES] = {
593 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
594 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
595 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
596 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
600 ChessSquare GothicArray[2][BOARD_FILES] = {
601 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
602 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
603 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
604 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
607 #define GothicArray CapablancaArray
611 ChessSquare FalconArray[2][BOARD_FILES] = {
612 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
613 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
614 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
615 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
618 #define FalconArray CapablancaArray
621 #else // !(BOARD_FILES>=10)
622 #define XiangqiPosition FIDEArray
623 #define CapablancaArray FIDEArray
624 #define GothicArray FIDEArray
625 #define GreatArray FIDEArray
626 #endif // !(BOARD_FILES>=10)
628 #if (BOARD_FILES>=12)
629 ChessSquare CourierArray[2][BOARD_FILES] = {
630 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
631 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
632 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
633 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
635 #else // !(BOARD_FILES>=12)
636 #define CourierArray CapablancaArray
637 #endif // !(BOARD_FILES>=12)
640 Board initialPosition;
643 /* Convert str to a rating. Checks for special cases of "----",
645 "++++", etc. Also strips ()'s */
647 string_to_rating (char *str)
649 while(*str && !isdigit(*str)) ++str;
651 return 0; /* One of the special "no rating" cases */
659 /* Init programStats */
660 programStats.movelist[0] = 0;
661 programStats.depth = 0;
662 programStats.nr_moves = 0;
663 programStats.moves_left = 0;
664 programStats.nodes = 0;
665 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
666 programStats.score = 0;
667 programStats.got_only_move = 0;
668 programStats.got_fail = 0;
669 programStats.line_is_book = 0;
674 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
675 if (appData.firstPlaysBlack) {
676 first.twoMachinesColor = "black\n";
677 second.twoMachinesColor = "white\n";
679 first.twoMachinesColor = "white\n";
680 second.twoMachinesColor = "black\n";
683 first.other = &second;
684 second.other = &first;
687 if(appData.timeOddsMode) {
688 norm = appData.timeOdds[0];
689 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
691 first.timeOdds = appData.timeOdds[0]/norm;
692 second.timeOdds = appData.timeOdds[1]/norm;
695 if(programVersion) free(programVersion);
696 if (appData.noChessProgram) {
697 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
698 sprintf(programVersion, "%s", PACKAGE_STRING);
700 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
701 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
702 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
707 UnloadEngine (ChessProgramState *cps)
709 /* Kill off first chess program */
710 if (cps->isr != NULL)
711 RemoveInputSource(cps->isr);
714 if (cps->pr != NoProc) {
716 DoSleep( appData.delayBeforeQuit );
717 SendToProgram("quit\n", cps);
718 DoSleep( appData.delayAfterQuit );
719 DestroyChildProcess(cps->pr, cps->useSigterm);
722 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
726 ClearOptions (ChessProgramState *cps)
729 cps->nrOptions = cps->comboCnt = 0;
730 for(i=0; i<MAX_OPTIONS; i++) {
731 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
732 cps->option[i].textValue = 0;
736 char *engineNames[] = {
737 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
738 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
740 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
741 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
746 InitEngine (ChessProgramState *cps, int n)
747 { // [HGM] all engine initialiation put in a function that does one engine
751 cps->which = engineNames[n];
752 cps->maybeThinking = FALSE;
756 cps->sendDrawOffers = 1;
758 cps->program = appData.chessProgram[n];
759 cps->host = appData.host[n];
760 cps->dir = appData.directory[n];
761 cps->initString = appData.engInitString[n];
762 cps->computerString = appData.computerString[n];
763 cps->useSigint = TRUE;
764 cps->useSigterm = TRUE;
765 cps->reuse = appData.reuse[n];
766 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
767 cps->useSetboard = FALSE;
769 cps->usePing = FALSE;
772 cps->usePlayother = FALSE;
773 cps->useColors = TRUE;
774 cps->useUsermove = FALSE;
775 cps->sendICS = FALSE;
776 cps->sendName = appData.icsActive;
777 cps->sdKludge = FALSE;
778 cps->stKludge = FALSE;
779 TidyProgramName(cps->program, cps->host, cps->tidy);
781 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
782 cps->analysisSupport = 2; /* detect */
783 cps->analyzing = FALSE;
784 cps->initDone = FALSE;
786 /* New features added by Tord: */
787 cps->useFEN960 = FALSE;
788 cps->useOOCastle = TRUE;
789 /* End of new features added by Tord. */
790 cps->fenOverride = appData.fenOverride[n];
792 /* [HGM] time odds: set factor for each machine */
793 cps->timeOdds = appData.timeOdds[n];
795 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
796 cps->accumulateTC = appData.accumulateTC[n];
797 cps->maxNrOfSessions = 1;
802 cps->supportsNPS = UNKNOWN;
803 cps->memSize = FALSE;
804 cps->maxCores = FALSE;
805 cps->egtFormats[0] = NULLCHAR;
808 cps->optionSettings = appData.engOptions[n];
810 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
811 cps->isUCI = appData.isUCI[n]; /* [AS] */
812 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
814 if (appData.protocolVersion[n] > PROTOVER
815 || appData.protocolVersion[n] < 1)
820 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
821 appData.protocolVersion[n]);
822 if( (len >= MSG_SIZ) && appData.debugMode )
823 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
825 DisplayFatalError(buf, 0, 2);
829 cps->protocolVersion = appData.protocolVersion[n];
832 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
833 ParseFeatures(appData.featureDefaults, cps);
836 ChessProgramState *savCps;
842 if(WaitForEngine(savCps, LoadEngine)) return;
843 CommonEngineInit(); // recalculate time odds
844 if(gameInfo.variant != StringToVariant(appData.variant)) {
845 // we changed variant when loading the engine; this forces us to reset
846 Reset(TRUE, savCps != &first);
847 EditGameEvent(); // for consistency with other path, as Reset changes mode
849 InitChessProgram(savCps, FALSE);
850 SendToProgram("force\n", savCps);
851 DisplayMessage("", "");
852 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
853 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
859 ReplaceEngine (ChessProgramState *cps, int n)
863 appData.noChessProgram = FALSE;
864 appData.clockMode = TRUE;
867 if(n) return; // only startup first engine immediately; second can wait
868 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
872 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
873 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
875 static char resetOptions[] =
876 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
877 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
878 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
879 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
882 FloatToFront(char **list, char *engineLine)
884 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
886 if(appData.recentEngines <= 0) return;
887 TidyProgramName(engineLine, "localhost", tidy+1);
888 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
889 strncpy(buf+1, *list, MSG_SIZ-50);
890 if(p = strstr(buf, tidy)) { // tidy name appears in list
891 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
892 while(*p++ = *++q); // squeeze out
894 strcat(tidy, buf+1); // put list behind tidy name
895 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
896 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
897 ASSIGN(*list, tidy+1);
900 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
903 Load (ChessProgramState *cps, int i)
905 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
906 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
907 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
908 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
909 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
910 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
911 appData.firstProtocolVersion = PROTOVER;
912 ParseArgsFromString(buf);
914 ReplaceEngine(cps, i);
915 FloatToFront(&appData.recentEngineList, engineLine);
919 while(q = strchr(p, SLASH)) p = q+1;
920 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
921 if(engineDir[0] != NULLCHAR) {
922 ASSIGN(appData.directory[i], engineDir); p = engineName;
923 } else if(p != engineName) { // derive directory from engine path, when not given
925 ASSIGN(appData.directory[i], engineName);
927 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
928 } else { ASSIGN(appData.directory[i], "."); }
930 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
931 snprintf(command, MSG_SIZ, "%s %s", p, params);
934 ASSIGN(appData.chessProgram[i], p);
935 appData.isUCI[i] = isUCI;
936 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
937 appData.hasOwnBookUCI[i] = hasBook;
938 if(!nickName[0]) useNick = FALSE;
939 if(useNick) ASSIGN(appData.pgnName[i], nickName);
943 q = firstChessProgramNames;
944 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
945 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
946 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
947 quote, p, quote, appData.directory[i],
948 useNick ? " -fn \"" : "",
949 useNick ? nickName : "",
951 v1 ? " -firstProtocolVersion 1" : "",
952 hasBook ? "" : " -fNoOwnBookUCI",
953 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
954 storeVariant ? " -variant " : "",
955 storeVariant ? VariantName(gameInfo.variant) : "");
956 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
957 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
958 if(insert != q) insert[-1] = NULLCHAR;
959 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
961 FloatToFront(&appData.recentEngineList, buf);
963 ReplaceEngine(cps, i);
969 int matched, min, sec;
971 * Parse timeControl resource
973 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
974 appData.movesPerSession)) {
976 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
977 DisplayFatalError(buf, 0, 2);
981 * Parse searchTime resource
983 if (*appData.searchTime != NULLCHAR) {
984 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
986 searchTime = min * 60;
987 } else if (matched == 2) {
988 searchTime = min * 60 + sec;
991 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
992 DisplayFatalError(buf, 0, 2);
1001 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1002 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1004 GetTimeMark(&programStartTime);
1005 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1006 appData.seedBase = random() + (random()<<15);
1007 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1009 ClearProgramStats();
1010 programStats.ok_to_send = 1;
1011 programStats.seen_stat = 0;
1014 * Initialize game list
1020 * Internet chess server status
1022 if (appData.icsActive) {
1023 appData.matchMode = FALSE;
1024 appData.matchGames = 0;
1026 appData.noChessProgram = !appData.zippyPlay;
1028 appData.zippyPlay = FALSE;
1029 appData.zippyTalk = FALSE;
1030 appData.noChessProgram = TRUE;
1032 if (*appData.icsHelper != NULLCHAR) {
1033 appData.useTelnet = TRUE;
1034 appData.telnetProgram = appData.icsHelper;
1037 appData.zippyTalk = appData.zippyPlay = FALSE;
1040 /* [AS] Initialize pv info list [HGM] and game state */
1044 for( i=0; i<=framePtr; i++ ) {
1045 pvInfoList[i].depth = -1;
1046 boards[i][EP_STATUS] = EP_NONE;
1047 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1053 /* [AS] Adjudication threshold */
1054 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1056 InitEngine(&first, 0);
1057 InitEngine(&second, 1);
1060 pairing.which = "pairing"; // pairing engine
1061 pairing.pr = NoProc;
1063 pairing.program = appData.pairingEngine;
1064 pairing.host = "localhost";
1067 if (appData.icsActive) {
1068 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1069 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1070 appData.clockMode = FALSE;
1071 first.sendTime = second.sendTime = 0;
1075 /* Override some settings from environment variables, for backward
1076 compatibility. Unfortunately it's not feasible to have the env
1077 vars just set defaults, at least in xboard. Ugh.
1079 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1084 if (!appData.icsActive) {
1088 /* Check for variants that are supported only in ICS mode,
1089 or not at all. Some that are accepted here nevertheless
1090 have bugs; see comments below.
1092 VariantClass variant = StringToVariant(appData.variant);
1094 case VariantBughouse: /* need four players and two boards */
1095 case VariantKriegspiel: /* need to hide pieces and move details */
1096 /* case VariantFischeRandom: (Fabien: moved below) */
1097 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1098 if( (len >= MSG_SIZ) && appData.debugMode )
1099 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1101 DisplayFatalError(buf, 0, 2);
1104 case VariantUnknown:
1105 case VariantLoadable:
1115 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1116 if( (len >= MSG_SIZ) && appData.debugMode )
1117 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1119 DisplayFatalError(buf, 0, 2);
1122 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1123 case VariantFairy: /* [HGM] TestLegality definitely off! */
1124 case VariantGothic: /* [HGM] should work */
1125 case VariantCapablanca: /* [HGM] should work */
1126 case VariantCourier: /* [HGM] initial forced moves not implemented */
1127 case VariantShogi: /* [HGM] could still mate with pawn drop */
1128 case VariantKnightmate: /* [HGM] should work */
1129 case VariantCylinder: /* [HGM] untested */
1130 case VariantFalcon: /* [HGM] untested */
1131 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1132 offboard interposition not understood */
1133 case VariantNormal: /* definitely works! */
1134 case VariantWildCastle: /* pieces not automatically shuffled */
1135 case VariantNoCastle: /* pieces not automatically shuffled */
1136 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1137 case VariantLosers: /* should work except for win condition,
1138 and doesn't know captures are mandatory */
1139 case VariantSuicide: /* should work except for win condition,
1140 and doesn't know captures are mandatory */
1141 case VariantGiveaway: /* should work except for win condition,
1142 and doesn't know captures are mandatory */
1143 case VariantTwoKings: /* should work */
1144 case VariantAtomic: /* should work except for win condition */
1145 case Variant3Check: /* should work except for win condition */
1146 case VariantShatranj: /* should work except for all win conditions */
1147 case VariantMakruk: /* should work except for draw countdown */
1148 case VariantBerolina: /* might work if TestLegality is off */
1149 case VariantCapaRandom: /* should work */
1150 case VariantJanus: /* should work */
1151 case VariantSuper: /* experimental */
1152 case VariantGreat: /* experimental, requires legality testing to be off */
1153 case VariantSChess: /* S-Chess, should work */
1154 case VariantGrand: /* should work */
1155 case VariantSpartan: /* should work */
1163 NextIntegerFromString (char ** str, long * value)
1168 while( *s == ' ' || *s == '\t' ) {
1174 if( *s >= '0' && *s <= '9' ) {
1175 while( *s >= '0' && *s <= '9' ) {
1176 *value = *value * 10 + (*s - '0');
1189 NextTimeControlFromString (char ** str, long * value)
1192 int result = NextIntegerFromString( str, &temp );
1195 *value = temp * 60; /* Minutes */
1196 if( **str == ':' ) {
1198 result = NextIntegerFromString( str, &temp );
1199 *value += temp; /* Seconds */
1207 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1208 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1209 int result = -1, type = 0; long temp, temp2;
1211 if(**str != ':') return -1; // old params remain in force!
1213 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1214 if( NextIntegerFromString( str, &temp ) ) return -1;
1215 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1218 /* time only: incremental or sudden-death time control */
1219 if(**str == '+') { /* increment follows; read it */
1221 if(**str == '!') type = *(*str)++; // Bronstein TC
1222 if(result = NextIntegerFromString( str, &temp2)) return -1;
1223 *inc = temp2 * 1000;
1224 if(**str == '.') { // read fraction of increment
1225 char *start = ++(*str);
1226 if(result = NextIntegerFromString( str, &temp2)) return -1;
1228 while(start++ < *str) temp2 /= 10;
1232 *moves = 0; *tc = temp * 1000; *incType = type;
1236 (*str)++; /* classical time control */
1237 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1249 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1250 { /* [HGM] get time to add from the multi-session time-control string */
1251 int incType, moves=1; /* kludge to force reading of first session */
1252 long time, increment;
1255 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1257 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1258 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1259 if(movenr == -1) return time; /* last move before new session */
1260 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1261 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1262 if(!moves) return increment; /* current session is incremental */
1263 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1264 } while(movenr >= -1); /* try again for next session */
1266 return 0; // no new time quota on this move
1270 ParseTimeControl (char *tc, float ti, int mps)
1274 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1277 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1278 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1279 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1283 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1285 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1288 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1290 snprintf(buf, MSG_SIZ, ":%s", mytc);
1292 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1294 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1299 /* Parse second time control */
1302 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1310 timeControl_2 = tc2 * 1000;
1320 timeControl = tc1 * 1000;
1323 timeIncrement = ti * 1000; /* convert to ms */
1324 movesPerSession = 0;
1327 movesPerSession = mps;
1335 if (appData.debugMode) {
1336 fprintf(debugFP, "%s\n", programVersion);
1338 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1340 set_cont_sequence(appData.wrapContSeq);
1341 if (appData.matchGames > 0) {
1342 appData.matchMode = TRUE;
1343 } else if (appData.matchMode) {
1344 appData.matchGames = 1;
1346 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1347 appData.matchGames = appData.sameColorGames;
1348 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1349 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1350 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1353 if (appData.noChessProgram || first.protocolVersion == 1) {
1356 /* kludge: allow timeout for initial "feature" commands */
1358 DisplayMessage("", _("Starting chess program"));
1359 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1364 CalculateIndex (int index, int gameNr)
1365 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1367 if(index > 0) return index; // fixed nmber
1368 if(index == 0) return 1;
1369 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1370 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1375 LoadGameOrPosition (int gameNr)
1376 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1377 if (*appData.loadGameFile != NULLCHAR) {
1378 if (!LoadGameFromFile(appData.loadGameFile,
1379 CalculateIndex(appData.loadGameIndex, gameNr),
1380 appData.loadGameFile, FALSE)) {
1381 DisplayFatalError(_("Bad game file"), 0, 1);
1384 } else if (*appData.loadPositionFile != NULLCHAR) {
1385 if (!LoadPositionFromFile(appData.loadPositionFile,
1386 CalculateIndex(appData.loadPositionIndex, gameNr),
1387 appData.loadPositionFile)) {
1388 DisplayFatalError(_("Bad position file"), 0, 1);
1396 ReserveGame (int gameNr, char resChar)
1398 FILE *tf = fopen(appData.tourneyFile, "r+");
1399 char *p, *q, c, buf[MSG_SIZ];
1400 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1401 safeStrCpy(buf, lastMsg, MSG_SIZ);
1402 DisplayMessage(_("Pick new game"), "");
1403 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1404 ParseArgsFromFile(tf);
1405 p = q = appData.results;
1406 if(appData.debugMode) {
1407 char *r = appData.participants;
1408 fprintf(debugFP, "results = '%s'\n", p);
1409 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1410 fprintf(debugFP, "\n");
1412 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1414 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1415 safeStrCpy(q, p, strlen(p) + 2);
1416 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1417 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1418 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1419 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1422 fseek(tf, -(strlen(p)+4), SEEK_END);
1424 if(c != '"') // depending on DOS or Unix line endings we can be one off
1425 fseek(tf, -(strlen(p)+2), SEEK_END);
1426 else fseek(tf, -(strlen(p)+3), SEEK_END);
1427 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1428 DisplayMessage(buf, "");
1429 free(p); appData.results = q;
1430 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1431 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1432 int round = appData.defaultMatchGames * appData.tourneyType;
1433 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1434 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1435 UnloadEngine(&first); // next game belongs to other pairing;
1436 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1438 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1442 MatchEvent (int mode)
1443 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1445 if(matchMode) { // already in match mode: switch it off
1447 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1450 // if(gameMode != BeginningOfGame) {
1451 // DisplayError(_("You can only start a match from the initial position."), 0);
1455 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1456 /* Set up machine vs. machine match */
1458 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1459 if(appData.tourneyFile[0]) {
1461 if(nextGame > appData.matchGames) {
1463 if(strchr(appData.results, '*') == NULL) {
1465 appData.tourneyCycles++;
1466 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1468 NextTourneyGame(-1, &dummy);
1470 if(nextGame <= appData.matchGames) {
1471 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1473 ScheduleDelayedEvent(NextMatchGame, 10000);
1478 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1479 DisplayError(buf, 0);
1480 appData.tourneyFile[0] = 0;
1484 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1485 DisplayFatalError(_("Can't have a match with no chess programs"),
1490 matchGame = roundNr = 1;
1491 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1495 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1498 InitBackEnd3 P((void))
1500 GameMode initialMode;
1504 InitChessProgram(&first, startedFromSetupPosition);
1506 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1507 free(programVersion);
1508 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1509 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1510 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1513 if (appData.icsActive) {
1515 /* [DM] Make a console window if needed [HGM] merged ifs */
1521 if (*appData.icsCommPort != NULLCHAR)
1522 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1523 appData.icsCommPort);
1525 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1526 appData.icsHost, appData.icsPort);
1528 if( (len >= MSG_SIZ) && appData.debugMode )
1529 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1531 DisplayFatalError(buf, err, 1);
1536 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1538 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1539 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1540 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1541 } else if (appData.noChessProgram) {
1547 if (*appData.cmailGameName != NULLCHAR) {
1549 OpenLoopback(&cmailPR);
1551 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1555 DisplayMessage("", "");
1556 if (StrCaseCmp(appData.initialMode, "") == 0) {
1557 initialMode = BeginningOfGame;
1558 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1559 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1560 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1561 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1564 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1565 initialMode = TwoMachinesPlay;
1566 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1567 initialMode = AnalyzeFile;
1568 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1569 initialMode = AnalyzeMode;
1570 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1571 initialMode = MachinePlaysWhite;
1572 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1573 initialMode = MachinePlaysBlack;
1574 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1575 initialMode = EditGame;
1576 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1577 initialMode = EditPosition;
1578 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1579 initialMode = Training;
1581 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1582 if( (len >= MSG_SIZ) && appData.debugMode )
1583 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1585 DisplayFatalError(buf, 0, 2);
1589 if (appData.matchMode) {
1590 if(appData.tourneyFile[0]) { // start tourney from command line
1592 if(f = fopen(appData.tourneyFile, "r")) {
1593 ParseArgsFromFile(f); // make sure tourney parmeters re known
1595 appData.clockMode = TRUE;
1597 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1600 } else if (*appData.cmailGameName != NULLCHAR) {
1601 /* Set up cmail mode */
1602 ReloadCmailMsgEvent(TRUE);
1604 /* Set up other modes */
1605 if (initialMode == AnalyzeFile) {
1606 if (*appData.loadGameFile == NULLCHAR) {
1607 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1611 if (*appData.loadGameFile != NULLCHAR) {
1612 (void) LoadGameFromFile(appData.loadGameFile,
1613 appData.loadGameIndex,
1614 appData.loadGameFile, TRUE);
1615 } else if (*appData.loadPositionFile != NULLCHAR) {
1616 (void) LoadPositionFromFile(appData.loadPositionFile,
1617 appData.loadPositionIndex,
1618 appData.loadPositionFile);
1619 /* [HGM] try to make self-starting even after FEN load */
1620 /* to allow automatic setup of fairy variants with wtm */
1621 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1622 gameMode = BeginningOfGame;
1623 setboardSpoiledMachineBlack = 1;
1625 /* [HGM] loadPos: make that every new game uses the setup */
1626 /* from file as long as we do not switch variant */
1627 if(!blackPlaysFirst) {
1628 startedFromPositionFile = TRUE;
1629 CopyBoard(filePosition, boards[0]);
1632 if (initialMode == AnalyzeMode) {
1633 if (appData.noChessProgram) {
1634 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1637 if (appData.icsActive) {
1638 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1642 } else if (initialMode == AnalyzeFile) {
1643 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1644 ShowThinkingEvent();
1646 AnalysisPeriodicEvent(1);
1647 } else if (initialMode == MachinePlaysWhite) {
1648 if (appData.noChessProgram) {
1649 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1653 if (appData.icsActive) {
1654 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1658 MachineWhiteEvent();
1659 } else if (initialMode == MachinePlaysBlack) {
1660 if (appData.noChessProgram) {
1661 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1665 if (appData.icsActive) {
1666 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1670 MachineBlackEvent();
1671 } else if (initialMode == TwoMachinesPlay) {
1672 if (appData.noChessProgram) {
1673 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1677 if (appData.icsActive) {
1678 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1683 } else if (initialMode == EditGame) {
1685 } else if (initialMode == EditPosition) {
1686 EditPositionEvent();
1687 } else if (initialMode == Training) {
1688 if (*appData.loadGameFile == NULLCHAR) {
1689 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1698 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1700 DisplayBook(current+1);
1702 MoveHistorySet( movelist, first, last, current, pvInfoList );
1704 EvalGraphSet( first, last, current, pvInfoList );
1706 MakeEngineOutputTitle();
1710 * Establish will establish a contact to a remote host.port.
1711 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1712 * used to talk to the host.
1713 * Returns 0 if okay, error code if not.
1720 if (*appData.icsCommPort != NULLCHAR) {
1721 /* Talk to the host through a serial comm port */
1722 return OpenCommPort(appData.icsCommPort, &icsPR);
1724 } else if (*appData.gateway != NULLCHAR) {
1725 if (*appData.remoteShell == NULLCHAR) {
1726 /* Use the rcmd protocol to run telnet program on a gateway host */
1727 snprintf(buf, sizeof(buf), "%s %s %s",
1728 appData.telnetProgram, appData.icsHost, appData.icsPort);
1729 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1732 /* Use the rsh program to run telnet program on a gateway host */
1733 if (*appData.remoteUser == NULLCHAR) {
1734 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1735 appData.gateway, appData.telnetProgram,
1736 appData.icsHost, appData.icsPort);
1738 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1739 appData.remoteShell, appData.gateway,
1740 appData.remoteUser, appData.telnetProgram,
1741 appData.icsHost, appData.icsPort);
1743 return StartChildProcess(buf, "", &icsPR);
1746 } else if (appData.useTelnet) {
1747 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1750 /* TCP socket interface differs somewhat between
1751 Unix and NT; handle details in the front end.
1753 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1758 EscapeExpand (char *p, char *q)
1759 { // [HGM] initstring: routine to shape up string arguments
1760 while(*p++ = *q++) if(p[-1] == '\\')
1762 case 'n': p[-1] = '\n'; break;
1763 case 'r': p[-1] = '\r'; break;
1764 case 't': p[-1] = '\t'; break;
1765 case '\\': p[-1] = '\\'; break;
1766 case 0: *p = 0; return;
1767 default: p[-1] = q[-1]; break;
1772 show_bytes (FILE *fp, char *buf, int count)
1775 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1776 fprintf(fp, "\\%03o", *buf & 0xff);
1785 /* Returns an errno value */
1787 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1789 char buf[8192], *p, *q, *buflim;
1790 int left, newcount, outcount;
1792 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1793 *appData.gateway != NULLCHAR) {
1794 if (appData.debugMode) {
1795 fprintf(debugFP, ">ICS: ");
1796 show_bytes(debugFP, message, count);
1797 fprintf(debugFP, "\n");
1799 return OutputToProcess(pr, message, count, outError);
1802 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1809 if (appData.debugMode) {
1810 fprintf(debugFP, ">ICS: ");
1811 show_bytes(debugFP, buf, newcount);
1812 fprintf(debugFP, "\n");
1814 outcount = OutputToProcess(pr, buf, newcount, outError);
1815 if (outcount < newcount) return -1; /* to be sure */
1822 } else if (((unsigned char) *p) == TN_IAC) {
1823 *q++ = (char) TN_IAC;
1830 if (appData.debugMode) {
1831 fprintf(debugFP, ">ICS: ");
1832 show_bytes(debugFP, buf, newcount);
1833 fprintf(debugFP, "\n");
1835 outcount = OutputToProcess(pr, buf, newcount, outError);
1836 if (outcount < newcount) return -1; /* to be sure */
1841 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1843 int outError, outCount;
1844 static int gotEof = 0;
1846 /* Pass data read from player on to ICS */
1849 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1850 if (outCount < count) {
1851 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1853 } else if (count < 0) {
1854 RemoveInputSource(isr);
1855 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1856 } else if (gotEof++ > 0) {
1857 RemoveInputSource(isr);
1858 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1864 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1865 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1866 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1867 SendToICS("date\n");
1868 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1871 /* added routine for printf style output to ics */
1873 ics_printf (char *format, ...)
1875 char buffer[MSG_SIZ];
1878 va_start(args, format);
1879 vsnprintf(buffer, sizeof(buffer), format, args);
1880 buffer[sizeof(buffer)-1] = '\0';
1888 int count, outCount, outError;
1890 if (icsPR == NoProc) return;
1893 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1894 if (outCount < count) {
1895 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1899 /* This is used for sending logon scripts to the ICS. Sending
1900 without a delay causes problems when using timestamp on ICC
1901 (at least on my machine). */
1903 SendToICSDelayed (char *s, long msdelay)
1905 int count, outCount, outError;
1907 if (icsPR == NoProc) return;
1910 if (appData.debugMode) {
1911 fprintf(debugFP, ">ICS: ");
1912 show_bytes(debugFP, s, count);
1913 fprintf(debugFP, "\n");
1915 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1917 if (outCount < count) {
1918 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1923 /* Remove all highlighting escape sequences in s
1924 Also deletes any suffix starting with '('
1927 StripHighlightAndTitle (char *s)
1929 static char retbuf[MSG_SIZ];
1932 while (*s != NULLCHAR) {
1933 while (*s == '\033') {
1934 while (*s != NULLCHAR && !isalpha(*s)) s++;
1935 if (*s != NULLCHAR) s++;
1937 while (*s != NULLCHAR && *s != '\033') {
1938 if (*s == '(' || *s == '[') {
1949 /* Remove all highlighting escape sequences in s */
1951 StripHighlight (char *s)
1953 static char retbuf[MSG_SIZ];
1956 while (*s != NULLCHAR) {
1957 while (*s == '\033') {
1958 while (*s != NULLCHAR && !isalpha(*s)) s++;
1959 if (*s != NULLCHAR) s++;
1961 while (*s != NULLCHAR && *s != '\033') {
1969 char *variantNames[] = VARIANT_NAMES;
1971 VariantName (VariantClass v)
1973 return variantNames[v];
1977 /* Identify a variant from the strings the chess servers use or the
1978 PGN Variant tag names we use. */
1980 StringToVariant (char *e)
1984 VariantClass v = VariantNormal;
1985 int i, found = FALSE;
1991 /* [HGM] skip over optional board-size prefixes */
1992 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1993 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1994 while( *e++ != '_');
1997 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2001 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2002 if (StrCaseStr(e, variantNames[i])) {
2003 v = (VariantClass) i;
2010 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2011 || StrCaseStr(e, "wild/fr")
2012 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2013 v = VariantFischeRandom;
2014 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2015 (i = 1, p = StrCaseStr(e, "w"))) {
2017 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2024 case 0: /* FICS only, actually */
2026 /* Castling legal even if K starts on d-file */
2027 v = VariantWildCastle;
2032 /* Castling illegal even if K & R happen to start in
2033 normal positions. */
2034 v = VariantNoCastle;
2047 /* Castling legal iff K & R start in normal positions */
2053 /* Special wilds for position setup; unclear what to do here */
2054 v = VariantLoadable;
2057 /* Bizarre ICC game */
2058 v = VariantTwoKings;
2061 v = VariantKriegspiel;
2067 v = VariantFischeRandom;
2070 v = VariantCrazyhouse;
2073 v = VariantBughouse;
2079 /* Not quite the same as FICS suicide! */
2080 v = VariantGiveaway;
2086 v = VariantShatranj;
2089 /* Temporary names for future ICC types. The name *will* change in
2090 the next xboard/WinBoard release after ICC defines it. */
2128 v = VariantCapablanca;
2131 v = VariantKnightmate;
2137 v = VariantCylinder;
2143 v = VariantCapaRandom;
2146 v = VariantBerolina;
2158 /* Found "wild" or "w" in the string but no number;
2159 must assume it's normal chess. */
2163 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2164 if( (len >= MSG_SIZ) && appData.debugMode )
2165 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2167 DisplayError(buf, 0);
2173 if (appData.debugMode) {
2174 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2175 e, wnum, VariantName(v));
2180 static int leftover_start = 0, leftover_len = 0;
2181 char star_match[STAR_MATCH_N][MSG_SIZ];
2183 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2184 advance *index beyond it, and set leftover_start to the new value of
2185 *index; else return FALSE. If pattern contains the character '*', it
2186 matches any sequence of characters not containing '\r', '\n', or the
2187 character following the '*' (if any), and the matched sequence(s) are
2188 copied into star_match.
2191 looking_at ( char *buf, int *index, char *pattern)
2193 char *bufp = &buf[*index], *patternp = pattern;
2195 char *matchp = star_match[0];
2198 if (*patternp == NULLCHAR) {
2199 *index = leftover_start = bufp - buf;
2203 if (*bufp == NULLCHAR) return FALSE;
2204 if (*patternp == '*') {
2205 if (*bufp == *(patternp + 1)) {
2207 matchp = star_match[++star_count];
2211 } else if (*bufp == '\n' || *bufp == '\r') {
2213 if (*patternp == NULLCHAR)
2218 *matchp++ = *bufp++;
2222 if (*patternp != *bufp) return FALSE;
2229 SendToPlayer (char *data, int length)
2231 int error, outCount;
2232 outCount = OutputToProcess(NoProc, data, length, &error);
2233 if (outCount < length) {
2234 DisplayFatalError(_("Error writing to display"), error, 1);
2239 PackHolding (char packed[], char *holding)
2249 switch (runlength) {
2260 sprintf(q, "%d", runlength);
2272 /* Telnet protocol requests from the front end */
2274 TelnetRequest (unsigned char ddww, unsigned char option)
2276 unsigned char msg[3];
2277 int outCount, outError;
2279 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2281 if (appData.debugMode) {
2282 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2298 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2307 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2310 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2315 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2317 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2324 if (!appData.icsActive) return;
2325 TelnetRequest(TN_DO, TN_ECHO);
2331 if (!appData.icsActive) return;
2332 TelnetRequest(TN_DONT, TN_ECHO);
2336 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2338 /* put the holdings sent to us by the server on the board holdings area */
2339 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2343 if(gameInfo.holdingsWidth < 2) return;
2344 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2345 return; // prevent overwriting by pre-board holdings
2347 if( (int)lowestPiece >= BlackPawn ) {
2350 holdingsStartRow = BOARD_HEIGHT-1;
2353 holdingsColumn = BOARD_WIDTH-1;
2354 countsColumn = BOARD_WIDTH-2;
2355 holdingsStartRow = 0;
2359 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2360 board[i][holdingsColumn] = EmptySquare;
2361 board[i][countsColumn] = (ChessSquare) 0;
2363 while( (p=*holdings++) != NULLCHAR ) {
2364 piece = CharToPiece( ToUpper(p) );
2365 if(piece == EmptySquare) continue;
2366 /*j = (int) piece - (int) WhitePawn;*/
2367 j = PieceToNumber(piece);
2368 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2369 if(j < 0) continue; /* should not happen */
2370 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2371 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2372 board[holdingsStartRow+j*direction][countsColumn]++;
2378 VariantSwitch (Board board, VariantClass newVariant)
2380 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2381 static Board oldBoard;
2383 startedFromPositionFile = FALSE;
2384 if(gameInfo.variant == newVariant) return;
2386 /* [HGM] This routine is called each time an assignment is made to
2387 * gameInfo.variant during a game, to make sure the board sizes
2388 * are set to match the new variant. If that means adding or deleting
2389 * holdings, we shift the playing board accordingly
2390 * This kludge is needed because in ICS observe mode, we get boards
2391 * of an ongoing game without knowing the variant, and learn about the
2392 * latter only later. This can be because of the move list we requested,
2393 * in which case the game history is refilled from the beginning anyway,
2394 * but also when receiving holdings of a crazyhouse game. In the latter
2395 * case we want to add those holdings to the already received position.
2399 if (appData.debugMode) {
2400 fprintf(debugFP, "Switch board from %s to %s\n",
2401 VariantName(gameInfo.variant), VariantName(newVariant));
2402 setbuf(debugFP, NULL);
2404 shuffleOpenings = 0; /* [HGM] shuffle */
2405 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2409 newWidth = 9; newHeight = 9;
2410 gameInfo.holdingsSize = 7;
2411 case VariantBughouse:
2412 case VariantCrazyhouse:
2413 newHoldingsWidth = 2; break;
2417 newHoldingsWidth = 2;
2418 gameInfo.holdingsSize = 8;
2421 case VariantCapablanca:
2422 case VariantCapaRandom:
2425 newHoldingsWidth = gameInfo.holdingsSize = 0;
2428 if(newWidth != gameInfo.boardWidth ||
2429 newHeight != gameInfo.boardHeight ||
2430 newHoldingsWidth != gameInfo.holdingsWidth ) {
2432 /* shift position to new playing area, if needed */
2433 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2434 for(i=0; i<BOARD_HEIGHT; i++)
2435 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2436 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2438 for(i=0; i<newHeight; i++) {
2439 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2440 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2442 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2443 for(i=0; i<BOARD_HEIGHT; i++)
2444 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2445 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2448 board[HOLDINGS_SET] = 0;
2449 gameInfo.boardWidth = newWidth;
2450 gameInfo.boardHeight = newHeight;
2451 gameInfo.holdingsWidth = newHoldingsWidth;
2452 gameInfo.variant = newVariant;
2453 InitDrawingSizes(-2, 0);
2454 } else gameInfo.variant = newVariant;
2455 CopyBoard(oldBoard, board); // remember correctly formatted board
2456 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2457 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2460 static int loggedOn = FALSE;
2462 /*-- Game start info cache: --*/
2464 char gs_kind[MSG_SIZ];
2465 static char player1Name[128] = "";
2466 static char player2Name[128] = "";
2467 static char cont_seq[] = "\n\\ ";
2468 static int player1Rating = -1;
2469 static int player2Rating = -1;
2470 /*----------------------------*/
2472 ColorClass curColor = ColorNormal;
2473 int suppressKibitz = 0;
2476 Boolean soughtPending = FALSE;
2477 Boolean seekGraphUp;
2478 #define MAX_SEEK_ADS 200
2480 char *seekAdList[MAX_SEEK_ADS];
2481 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2482 float tcList[MAX_SEEK_ADS];
2483 char colorList[MAX_SEEK_ADS];
2484 int nrOfSeekAds = 0;
2485 int minRating = 1010, maxRating = 2800;
2486 int hMargin = 10, vMargin = 20, h, w;
2487 extern int squareSize, lineGap;
2492 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2493 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2494 if(r < minRating+100 && r >=0 ) r = minRating+100;
2495 if(r > maxRating) r = maxRating;
2496 if(tc < 1.f) tc = 1.f;
2497 if(tc > 95.f) tc = 95.f;
2498 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2499 y = ((double)r - minRating)/(maxRating - minRating)
2500 * (h-vMargin-squareSize/8-1) + vMargin;
2501 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2502 if(strstr(seekAdList[i], " u ")) color = 1;
2503 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2504 !strstr(seekAdList[i], "bullet") &&
2505 !strstr(seekAdList[i], "blitz") &&
2506 !strstr(seekAdList[i], "standard") ) color = 2;
2507 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2508 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2512 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2514 char buf[MSG_SIZ], *ext = "";
2515 VariantClass v = StringToVariant(type);
2516 if(strstr(type, "wild")) {
2517 ext = type + 4; // append wild number
2518 if(v == VariantFischeRandom) type = "chess960"; else
2519 if(v == VariantLoadable) type = "setup"; else
2520 type = VariantName(v);
2522 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2523 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2524 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2525 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2526 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2527 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2528 seekNrList[nrOfSeekAds] = nr;
2529 zList[nrOfSeekAds] = 0;
2530 seekAdList[nrOfSeekAds++] = StrSave(buf);
2531 if(plot) PlotSeekAd(nrOfSeekAds-1);
2536 EraseSeekDot (int i)
2538 int x = xList[i], y = yList[i], d=squareSize/4, k;
2539 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2540 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2541 // now replot every dot that overlapped
2542 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2543 int xx = xList[k], yy = yList[k];
2544 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2545 DrawSeekDot(xx, yy, colorList[k]);
2550 RemoveSeekAd (int nr)
2553 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2555 if(seekAdList[i]) free(seekAdList[i]);
2556 seekAdList[i] = seekAdList[--nrOfSeekAds];
2557 seekNrList[i] = seekNrList[nrOfSeekAds];
2558 ratingList[i] = ratingList[nrOfSeekAds];
2559 colorList[i] = colorList[nrOfSeekAds];
2560 tcList[i] = tcList[nrOfSeekAds];
2561 xList[i] = xList[nrOfSeekAds];
2562 yList[i] = yList[nrOfSeekAds];
2563 zList[i] = zList[nrOfSeekAds];
2564 seekAdList[nrOfSeekAds] = NULL;
2570 MatchSoughtLine (char *line)
2572 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2573 int nr, base, inc, u=0; char dummy;
2575 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2576 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2578 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2579 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2580 // match: compact and save the line
2581 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2591 if(!seekGraphUp) return FALSE;
2592 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2593 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2595 DrawSeekBackground(0, 0, w, h);
2596 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2597 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2598 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2599 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2601 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2604 snprintf(buf, MSG_SIZ, "%d", i);
2605 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2608 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2609 for(i=1; i<100; i+=(i<10?1:5)) {
2610 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2611 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2612 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2614 snprintf(buf, MSG_SIZ, "%d", i);
2615 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2618 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2623 SeekGraphClick (ClickType click, int x, int y, int moving)
2625 static int lastDown = 0, displayed = 0, lastSecond;
2626 if(y < 0) return FALSE;
2627 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2628 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2629 if(!seekGraphUp) return FALSE;
2630 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2631 DrawPosition(TRUE, NULL);
2634 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2635 if(click == Release || moving) return FALSE;
2637 soughtPending = TRUE;
2638 SendToICS(ics_prefix);
2639 SendToICS("sought\n"); // should this be "sought all"?
2640 } else { // issue challenge based on clicked ad
2641 int dist = 10000; int i, closest = 0, second = 0;
2642 for(i=0; i<nrOfSeekAds; i++) {
2643 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2644 if(d < dist) { dist = d; closest = i; }
2645 second += (d - zList[i] < 120); // count in-range ads
2646 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2650 second = (second > 1);
2651 if(displayed != closest || second != lastSecond) {
2652 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2653 lastSecond = second; displayed = closest;
2655 if(click == Press) {
2656 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2659 } // on press 'hit', only show info
2660 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2661 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2662 SendToICS(ics_prefix);
2664 return TRUE; // let incoming board of started game pop down the graph
2665 } else if(click == Release) { // release 'miss' is ignored
2666 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2667 if(moving == 2) { // right up-click
2668 nrOfSeekAds = 0; // refresh graph
2669 soughtPending = TRUE;
2670 SendToICS(ics_prefix);
2671 SendToICS("sought\n"); // should this be "sought all"?
2674 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2675 // press miss or release hit 'pop down' seek graph
2676 seekGraphUp = FALSE;
2677 DrawPosition(TRUE, NULL);
2683 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2685 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2686 #define STARTED_NONE 0
2687 #define STARTED_MOVES 1
2688 #define STARTED_BOARD 2
2689 #define STARTED_OBSERVE 3
2690 #define STARTED_HOLDINGS 4
2691 #define STARTED_CHATTER 5
2692 #define STARTED_COMMENT 6
2693 #define STARTED_MOVES_NOHIDE 7
2695 static int started = STARTED_NONE;
2696 static char parse[20000];
2697 static int parse_pos = 0;
2698 static char buf[BUF_SIZE + 1];
2699 static int firstTime = TRUE, intfSet = FALSE;
2700 static ColorClass prevColor = ColorNormal;
2701 static int savingComment = FALSE;
2702 static int cmatch = 0; // continuation sequence match
2709 int backup; /* [DM] For zippy color lines */
2711 char talker[MSG_SIZ]; // [HGM] chat
2714 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2716 if (appData.debugMode) {
2718 fprintf(debugFP, "<ICS: ");
2719 show_bytes(debugFP, data, count);
2720 fprintf(debugFP, "\n");
2724 if (appData.debugMode) { int f = forwardMostMove;
2725 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2726 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2727 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2730 /* If last read ended with a partial line that we couldn't parse,
2731 prepend it to the new read and try again. */
2732 if (leftover_len > 0) {
2733 for (i=0; i<leftover_len; i++)
2734 buf[i] = buf[leftover_start + i];
2737 /* copy new characters into the buffer */
2738 bp = buf + leftover_len;
2739 buf_len=leftover_len;
2740 for (i=0; i<count; i++)
2743 if (data[i] == '\r')
2746 // join lines split by ICS?
2747 if (!appData.noJoin)
2750 Joining just consists of finding matches against the
2751 continuation sequence, and discarding that sequence
2752 if found instead of copying it. So, until a match
2753 fails, there's nothing to do since it might be the
2754 complete sequence, and thus, something we don't want
2757 if (data[i] == cont_seq[cmatch])
2760 if (cmatch == strlen(cont_seq))
2762 cmatch = 0; // complete match. just reset the counter
2765 it's possible for the ICS to not include the space
2766 at the end of the last word, making our [correct]
2767 join operation fuse two separate words. the server
2768 does this when the space occurs at the width setting.
2770 if (!buf_len || buf[buf_len-1] != ' ')
2781 match failed, so we have to copy what matched before
2782 falling through and copying this character. In reality,
2783 this will only ever be just the newline character, but
2784 it doesn't hurt to be precise.
2786 strncpy(bp, cont_seq, cmatch);
2798 buf[buf_len] = NULLCHAR;
2799 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2804 while (i < buf_len) {
2805 /* Deal with part of the TELNET option negotiation
2806 protocol. We refuse to do anything beyond the
2807 defaults, except that we allow the WILL ECHO option,
2808 which ICS uses to turn off password echoing when we are
2809 directly connected to it. We reject this option
2810 if localLineEditing mode is on (always on in xboard)
2811 and we are talking to port 23, which might be a real
2812 telnet server that will try to keep WILL ECHO on permanently.
2814 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2815 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2816 unsigned char option;
2818 switch ((unsigned char) buf[++i]) {
2820 if (appData.debugMode)
2821 fprintf(debugFP, "\n<WILL ");
2822 switch (option = (unsigned char) buf[++i]) {
2824 if (appData.debugMode)
2825 fprintf(debugFP, "ECHO ");
2826 /* Reply only if this is a change, according
2827 to the protocol rules. */
2828 if (remoteEchoOption) break;
2829 if (appData.localLineEditing &&
2830 atoi(appData.icsPort) == TN_PORT) {
2831 TelnetRequest(TN_DONT, TN_ECHO);
2834 TelnetRequest(TN_DO, TN_ECHO);
2835 remoteEchoOption = TRUE;
2839 if (appData.debugMode)
2840 fprintf(debugFP, "%d ", option);
2841 /* Whatever this is, we don't want it. */
2842 TelnetRequest(TN_DONT, option);
2847 if (appData.debugMode)
2848 fprintf(debugFP, "\n<WONT ");
2849 switch (option = (unsigned char) buf[++i]) {
2851 if (appData.debugMode)
2852 fprintf(debugFP, "ECHO ");
2853 /* Reply only if this is a change, according
2854 to the protocol rules. */
2855 if (!remoteEchoOption) break;
2857 TelnetRequest(TN_DONT, TN_ECHO);
2858 remoteEchoOption = FALSE;
2861 if (appData.debugMode)
2862 fprintf(debugFP, "%d ", (unsigned char) option);
2863 /* Whatever this is, it must already be turned
2864 off, because we never agree to turn on
2865 anything non-default, so according to the
2866 protocol rules, we don't reply. */
2871 if (appData.debugMode)
2872 fprintf(debugFP, "\n<DO ");
2873 switch (option = (unsigned char) buf[++i]) {
2875 /* Whatever this is, we refuse to do it. */
2876 if (appData.debugMode)
2877 fprintf(debugFP, "%d ", option);
2878 TelnetRequest(TN_WONT, option);
2883 if (appData.debugMode)
2884 fprintf(debugFP, "\n<DONT ");
2885 switch (option = (unsigned char) buf[++i]) {
2887 if (appData.debugMode)
2888 fprintf(debugFP, "%d ", option);
2889 /* Whatever this is, we are already not doing
2890 it, because we never agree to do anything
2891 non-default, so according to the protocol
2892 rules, we don't reply. */
2897 if (appData.debugMode)
2898 fprintf(debugFP, "\n<IAC ");
2899 /* Doubled IAC; pass it through */
2903 if (appData.debugMode)
2904 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2905 /* Drop all other telnet commands on the floor */
2908 if (oldi > next_out)
2909 SendToPlayer(&buf[next_out], oldi - next_out);
2915 /* OK, this at least will *usually* work */
2916 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2920 if (loggedOn && !intfSet) {
2921 if (ics_type == ICS_ICC) {
2922 snprintf(str, MSG_SIZ,
2923 "/set-quietly interface %s\n/set-quietly style 12\n",
2925 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2926 strcat(str, "/set-2 51 1\n/set seek 1\n");
2927 } else if (ics_type == ICS_CHESSNET) {
2928 snprintf(str, MSG_SIZ, "/style 12\n");
2930 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2931 strcat(str, programVersion);
2932 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2933 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2934 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2936 strcat(str, "$iset nohighlight 1\n");
2938 strcat(str, "$iset lock 1\n$style 12\n");
2941 NotifyFrontendLogin();
2945 if (started == STARTED_COMMENT) {
2946 /* Accumulate characters in comment */
2947 parse[parse_pos++] = buf[i];
2948 if (buf[i] == '\n') {
2949 parse[parse_pos] = NULLCHAR;
2950 if(chattingPartner>=0) {
2952 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2953 OutputChatMessage(chattingPartner, mess);
2954 chattingPartner = -1;
2955 next_out = i+1; // [HGM] suppress printing in ICS window
2957 if(!suppressKibitz) // [HGM] kibitz
2958 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2959 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2960 int nrDigit = 0, nrAlph = 0, j;
2961 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2962 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2963 parse[parse_pos] = NULLCHAR;
2964 // try to be smart: if it does not look like search info, it should go to
2965 // ICS interaction window after all, not to engine-output window.
2966 for(j=0; j<parse_pos; j++) { // count letters and digits
2967 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2968 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2969 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2971 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2972 int depth=0; float score;
2973 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2974 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2975 pvInfoList[forwardMostMove-1].depth = depth;
2976 pvInfoList[forwardMostMove-1].score = 100*score;
2978 OutputKibitz(suppressKibitz, parse);
2981 if(gameMode == IcsObserving) // restore original ICS messages
2982 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
2984 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2985 SendToPlayer(tmp, strlen(tmp));
2987 next_out = i+1; // [HGM] suppress printing in ICS window
2989 started = STARTED_NONE;
2991 /* Don't match patterns against characters in comment */
2996 if (started == STARTED_CHATTER) {
2997 if (buf[i] != '\n') {
2998 /* Don't match patterns against characters in chatter */
3002 started = STARTED_NONE;
3003 if(suppressKibitz) next_out = i+1;
3006 /* Kludge to deal with rcmd protocol */
3007 if (firstTime && looking_at(buf, &i, "\001*")) {
3008 DisplayFatalError(&buf[1], 0, 1);
3014 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3017 if (appData.debugMode)
3018 fprintf(debugFP, "ics_type %d\n", ics_type);
3021 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3022 ics_type = ICS_FICS;
3024 if (appData.debugMode)
3025 fprintf(debugFP, "ics_type %d\n", ics_type);
3028 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3029 ics_type = ICS_CHESSNET;
3031 if (appData.debugMode)
3032 fprintf(debugFP, "ics_type %d\n", ics_type);
3037 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3038 looking_at(buf, &i, "Logging you in as \"*\"") ||
3039 looking_at(buf, &i, "will be \"*\""))) {
3040 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3044 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3046 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3047 DisplayIcsInteractionTitle(buf);
3048 have_set_title = TRUE;
3051 /* skip finger notes */
3052 if (started == STARTED_NONE &&
3053 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3054 (buf[i] == '1' && buf[i+1] == '0')) &&
3055 buf[i+2] == ':' && buf[i+3] == ' ') {
3056 started = STARTED_CHATTER;
3062 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3063 if(appData.seekGraph) {
3064 if(soughtPending && MatchSoughtLine(buf+i)) {
3065 i = strstr(buf+i, "rated") - buf;
3066 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3067 next_out = leftover_start = i;
3068 started = STARTED_CHATTER;
3069 suppressKibitz = TRUE;
3072 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3073 && looking_at(buf, &i, "* ads displayed")) {
3074 soughtPending = FALSE;
3079 if(appData.autoRefresh) {
3080 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3081 int s = (ics_type == ICS_ICC); // ICC format differs
3083 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3084 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3085 looking_at(buf, &i, "*% "); // eat prompt
3086 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3087 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3088 next_out = i; // suppress
3091 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3092 char *p = star_match[0];
3094 if(seekGraphUp) RemoveSeekAd(atoi(p));
3095 while(*p && *p++ != ' '); // next
3097 looking_at(buf, &i, "*% "); // eat prompt
3098 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3105 /* skip formula vars */
3106 if (started == STARTED_NONE &&
3107 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3108 started = STARTED_CHATTER;
3113 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3114 if (appData.autoKibitz && started == STARTED_NONE &&
3115 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3116 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3117 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3118 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3119 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3120 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3121 suppressKibitz = TRUE;
3122 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3124 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3125 && (gameMode == IcsPlayingWhite)) ||
3126 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3127 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3128 started = STARTED_CHATTER; // own kibitz we simply discard
3130 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3131 parse_pos = 0; parse[0] = NULLCHAR;
3132 savingComment = TRUE;
3133 suppressKibitz = gameMode != IcsObserving ? 2 :
3134 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3138 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3139 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3140 && atoi(star_match[0])) {
3141 // suppress the acknowledgements of our own autoKibitz
3143 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3144 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3145 SendToPlayer(star_match[0], strlen(star_match[0]));
3146 if(looking_at(buf, &i, "*% ")) // eat prompt
3147 suppressKibitz = FALSE;
3151 } // [HGM] kibitz: end of patch
3153 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3155 // [HGM] chat: intercept tells by users for which we have an open chat window
3157 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3158 looking_at(buf, &i, "* whispers:") ||
3159 looking_at(buf, &i, "* kibitzes:") ||
3160 looking_at(buf, &i, "* shouts:") ||
3161 looking_at(buf, &i, "* c-shouts:") ||
3162 looking_at(buf, &i, "--> * ") ||
3163 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3164 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3165 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3166 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3168 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3169 chattingPartner = -1;
3171 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3172 for(p=0; p<MAX_CHAT; p++) {
3173 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3174 talker[0] = '['; strcat(talker, "] ");
3175 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3176 chattingPartner = p; break;
3179 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3180 for(p=0; p<MAX_CHAT; p++) {
3181 if(!strcmp("kibitzes", chatPartner[p])) {
3182 talker[0] = '['; strcat(talker, "] ");
3183 chattingPartner = p; break;
3186 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3187 for(p=0; p<MAX_CHAT; p++) {
3188 if(!strcmp("whispers", chatPartner[p])) {
3189 talker[0] = '['; strcat(talker, "] ");
3190 chattingPartner = p; break;
3193 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3194 if(buf[i-8] == '-' && buf[i-3] == 't')
3195 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3196 if(!strcmp("c-shouts", chatPartner[p])) {
3197 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3198 chattingPartner = p; break;
3201 if(chattingPartner < 0)
3202 for(p=0; p<MAX_CHAT; p++) {
3203 if(!strcmp("shouts", chatPartner[p])) {
3204 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3205 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3206 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3207 chattingPartner = p; break;
3211 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3212 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3213 talker[0] = 0; Colorize(ColorTell, FALSE);
3214 chattingPartner = p; break;
3216 if(chattingPartner<0) i = oldi; else {
3217 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3218 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3219 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3220 started = STARTED_COMMENT;
3221 parse_pos = 0; parse[0] = NULLCHAR;
3222 savingComment = 3 + chattingPartner; // counts as TRUE
3223 suppressKibitz = TRUE;
3226 } // [HGM] chat: end of patch
3229 if (appData.zippyTalk || appData.zippyPlay) {
3230 /* [DM] Backup address for color zippy lines */
3232 if (loggedOn == TRUE)
3233 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3234 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3236 } // [DM] 'else { ' deleted
3238 /* Regular tells and says */
3239 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3240 looking_at(buf, &i, "* (your partner) tells you: ") ||
3241 looking_at(buf, &i, "* says: ") ||
3242 /* Don't color "message" or "messages" output */
3243 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3244 looking_at(buf, &i, "*. * at *:*: ") ||
3245 looking_at(buf, &i, "--* (*:*): ") ||
3246 /* Message notifications (same color as tells) */
3247 looking_at(buf, &i, "* has left a message ") ||
3248 looking_at(buf, &i, "* just sent you a message:\n") ||
3249 /* Whispers and kibitzes */
3250 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3251 looking_at(buf, &i, "* kibitzes: ") ||
3253 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3255 if (tkind == 1 && strchr(star_match[0], ':')) {
3256 /* Avoid "tells you:" spoofs in channels */
3259 if (star_match[0][0] == NULLCHAR ||
3260 strchr(star_match[0], ' ') ||
3261 (tkind == 3 && strchr(star_match[1], ' '))) {
3262 /* Reject bogus matches */
3265 if (appData.colorize) {
3266 if (oldi > next_out) {
3267 SendToPlayer(&buf[next_out], oldi - next_out);
3272 Colorize(ColorTell, FALSE);
3273 curColor = ColorTell;
3276 Colorize(ColorKibitz, FALSE);
3277 curColor = ColorKibitz;
3280 p = strrchr(star_match[1], '(');
3287 Colorize(ColorChannel1, FALSE);
3288 curColor = ColorChannel1;
3290 Colorize(ColorChannel, FALSE);
3291 curColor = ColorChannel;
3295 curColor = ColorNormal;
3299 if (started == STARTED_NONE && appData.autoComment &&
3300 (gameMode == IcsObserving ||
3301 gameMode == IcsPlayingWhite ||
3302 gameMode == IcsPlayingBlack)) {
3303 parse_pos = i - oldi;
3304 memcpy(parse, &buf[oldi], parse_pos);
3305 parse[parse_pos] = NULLCHAR;
3306 started = STARTED_COMMENT;
3307 savingComment = TRUE;
3309 started = STARTED_CHATTER;
3310 savingComment = FALSE;
3317 if (looking_at(buf, &i, "* s-shouts: ") ||
3318 looking_at(buf, &i, "* c-shouts: ")) {
3319 if (appData.colorize) {
3320 if (oldi > next_out) {
3321 SendToPlayer(&buf[next_out], oldi - next_out);
3324 Colorize(ColorSShout, FALSE);
3325 curColor = ColorSShout;
3328 started = STARTED_CHATTER;
3332 if (looking_at(buf, &i, "--->")) {
3337 if (looking_at(buf, &i, "* shouts: ") ||
3338 looking_at(buf, &i, "--> ")) {
3339 if (appData.colorize) {
3340 if (oldi > next_out) {
3341 SendToPlayer(&buf[next_out], oldi - next_out);
3344 Colorize(ColorShout, FALSE);
3345 curColor = ColorShout;
3348 started = STARTED_CHATTER;
3352 if (looking_at( buf, &i, "Challenge:")) {
3353 if (appData.colorize) {
3354 if (oldi > next_out) {
3355 SendToPlayer(&buf[next_out], oldi - next_out);
3358 Colorize(ColorChallenge, FALSE);
3359 curColor = ColorChallenge;
3365 if (looking_at(buf, &i, "* offers you") ||
3366 looking_at(buf, &i, "* offers to be") ||
3367 looking_at(buf, &i, "* would like to") ||
3368 looking_at(buf, &i, "* requests to") ||
3369 looking_at(buf, &i, "Your opponent offers") ||
3370 looking_at(buf, &i, "Your opponent requests")) {
3372 if (appData.colorize) {
3373 if (oldi > next_out) {
3374 SendToPlayer(&buf[next_out], oldi - next_out);
3377 Colorize(ColorRequest, FALSE);
3378 curColor = ColorRequest;
3383 if (looking_at(buf, &i, "* (*) seeking")) {
3384 if (appData.colorize) {
3385 if (oldi > next_out) {
3386 SendToPlayer(&buf[next_out], oldi - next_out);
3389 Colorize(ColorSeek, FALSE);
3390 curColor = ColorSeek;
3395 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3397 if (looking_at(buf, &i, "\\ ")) {
3398 if (prevColor != ColorNormal) {
3399 if (oldi > next_out) {
3400 SendToPlayer(&buf[next_out], oldi - next_out);
3403 Colorize(prevColor, TRUE);
3404 curColor = prevColor;
3406 if (savingComment) {
3407 parse_pos = i - oldi;
3408 memcpy(parse, &buf[oldi], parse_pos);
3409 parse[parse_pos] = NULLCHAR;
3410 started = STARTED_COMMENT;
3411 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3412 chattingPartner = savingComment - 3; // kludge to remember the box
3414 started = STARTED_CHATTER;
3419 if (looking_at(buf, &i, "Black Strength :") ||
3420 looking_at(buf, &i, "<<< style 10 board >>>") ||
3421 looking_at(buf, &i, "<10>") ||
3422 looking_at(buf, &i, "#@#")) {
3423 /* Wrong board style */
3425 SendToICS(ics_prefix);
3426 SendToICS("set style 12\n");
3427 SendToICS(ics_prefix);
3428 SendToICS("refresh\n");
3432 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3434 have_sent_ICS_logon = 1;
3438 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3439 (looking_at(buf, &i, "\n<12> ") ||
3440 looking_at(buf, &i, "<12> "))) {
3442 if (oldi > next_out) {
3443 SendToPlayer(&buf[next_out], oldi - next_out);
3446 started = STARTED_BOARD;
3451 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3452 looking_at(buf, &i, "<b1> ")) {
3453 if (oldi > next_out) {
3454 SendToPlayer(&buf[next_out], oldi - next_out);
3457 started = STARTED_HOLDINGS;
3462 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3464 /* Header for a move list -- first line */
3466 switch (ics_getting_history) {
3470 case BeginningOfGame:
3471 /* User typed "moves" or "oldmoves" while we
3472 were idle. Pretend we asked for these
3473 moves and soak them up so user can step
3474 through them and/or save them.
3477 gameMode = IcsObserving;
3480 ics_getting_history = H_GOT_UNREQ_HEADER;
3482 case EditGame: /*?*/
3483 case EditPosition: /*?*/
3484 /* Should above feature work in these modes too? */
3485 /* For now it doesn't */
3486 ics_getting_history = H_GOT_UNWANTED_HEADER;
3489 ics_getting_history = H_GOT_UNWANTED_HEADER;
3494 /* Is this the right one? */
3495 if (gameInfo.white && gameInfo.black &&
3496 strcmp(gameInfo.white, star_match[0]) == 0 &&
3497 strcmp(gameInfo.black, star_match[2]) == 0) {
3499 ics_getting_history = H_GOT_REQ_HEADER;
3502 case H_GOT_REQ_HEADER:
3503 case H_GOT_UNREQ_HEADER:
3504 case H_GOT_UNWANTED_HEADER:
3505 case H_GETTING_MOVES:
3506 /* Should not happen */
3507 DisplayError(_("Error gathering move list: two headers"), 0);
3508 ics_getting_history = H_FALSE;
3512 /* Save player ratings into gameInfo if needed */
3513 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3514 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3515 (gameInfo.whiteRating == -1 ||
3516 gameInfo.blackRating == -1)) {
3518 gameInfo.whiteRating = string_to_rating(star_match[1]);
3519 gameInfo.blackRating = string_to_rating(star_match[3]);
3520 if (appData.debugMode)
3521 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3522 gameInfo.whiteRating, gameInfo.blackRating);
3527 if (looking_at(buf, &i,
3528 "* * match, initial time: * minute*, increment: * second")) {
3529 /* Header for a move list -- second line */
3530 /* Initial board will follow if this is a wild game */
3531 if (gameInfo.event != NULL) free(gameInfo.event);
3532 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3533 gameInfo.event = StrSave(str);
3534 /* [HGM] we switched variant. Translate boards if needed. */
3535 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3539 if (looking_at(buf, &i, "Move ")) {
3540 /* Beginning of a move list */
3541 switch (ics_getting_history) {
3543 /* Normally should not happen */
3544 /* Maybe user hit reset while we were parsing */
3547 /* Happens if we are ignoring a move list that is not
3548 * the one we just requested. Common if the user
3549 * tries to observe two games without turning off
3552 case H_GETTING_MOVES:
3553 /* Should not happen */
3554 DisplayError(_("Error gathering move list: nested"), 0);
3555 ics_getting_history = H_FALSE;
3557 case H_GOT_REQ_HEADER:
3558 ics_getting_history = H_GETTING_MOVES;
3559 started = STARTED_MOVES;
3561 if (oldi > next_out) {
3562 SendToPlayer(&buf[next_out], oldi - next_out);
3565 case H_GOT_UNREQ_HEADER:
3566 ics_getting_history = H_GETTING_MOVES;
3567 started = STARTED_MOVES_NOHIDE;
3570 case H_GOT_UNWANTED_HEADER:
3571 ics_getting_history = H_FALSE;
3577 if (looking_at(buf, &i, "% ") ||
3578 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3579 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3580 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3581 soughtPending = FALSE;
3585 if(suppressKibitz) next_out = i;
3586 savingComment = FALSE;
3590 case STARTED_MOVES_NOHIDE:
3591 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3592 parse[parse_pos + i - oldi] = NULLCHAR;
3593 ParseGameHistory(parse);
3595 if (appData.zippyPlay && first.initDone) {
3596 FeedMovesToProgram(&first, forwardMostMove);
3597 if (gameMode == IcsPlayingWhite) {
3598 if (WhiteOnMove(forwardMostMove)) {
3599 if (first.sendTime) {
3600 if (first.useColors) {
3601 SendToProgram("black\n", &first);
3603 SendTimeRemaining(&first, TRUE);
3605 if (first.useColors) {
3606 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3608 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3609 first.maybeThinking = TRUE;
3611 if (first.usePlayother) {
3612 if (first.sendTime) {
3613 SendTimeRemaining(&first, TRUE);
3615 SendToProgram("playother\n", &first);
3621 } else if (gameMode == IcsPlayingBlack) {
3622 if (!WhiteOnMove(forwardMostMove)) {
3623 if (first.sendTime) {
3624 if (first.useColors) {
3625 SendToProgram("white\n", &first);
3627 SendTimeRemaining(&first, FALSE);
3629 if (first.useColors) {
3630 SendToProgram("black\n", &first);
3632 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3633 first.maybeThinking = TRUE;
3635 if (first.usePlayother) {
3636 if (first.sendTime) {
3637 SendTimeRemaining(&first, FALSE);
3639 SendToProgram("playother\n", &first);
3648 if (gameMode == IcsObserving && ics_gamenum == -1) {
3649 /* Moves came from oldmoves or moves command
3650 while we weren't doing anything else.
3652 currentMove = forwardMostMove;
3653 ClearHighlights();/*!!could figure this out*/
3654 flipView = appData.flipView;
3655 DrawPosition(TRUE, boards[currentMove]);
3656 DisplayBothClocks();
3657 snprintf(str, MSG_SIZ, "%s %s %s",
3658 gameInfo.white, _("vs."), gameInfo.black);
3662 /* Moves were history of an active game */
3663 if (gameInfo.resultDetails != NULL) {
3664 free(gameInfo.resultDetails);
3665 gameInfo.resultDetails = NULL;
3668 HistorySet(parseList, backwardMostMove,
3669 forwardMostMove, currentMove-1);
3670 DisplayMove(currentMove - 1);
3671 if (started == STARTED_MOVES) next_out = i;
3672 started = STARTED_NONE;
3673 ics_getting_history = H_FALSE;
3676 case STARTED_OBSERVE:
3677 started = STARTED_NONE;
3678 SendToICS(ics_prefix);
3679 SendToICS("refresh\n");
3685 if(bookHit) { // [HGM] book: simulate book reply
3686 static char bookMove[MSG_SIZ]; // a bit generous?
3688 programStats.nodes = programStats.depth = programStats.time =
3689 programStats.score = programStats.got_only_move = 0;
3690 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3692 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3693 strcat(bookMove, bookHit);
3694 HandleMachineMove(bookMove, &first);
3699 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3700 started == STARTED_HOLDINGS ||
3701 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3702 /* Accumulate characters in move list or board */
3703 parse[parse_pos++] = buf[i];
3706 /* Start of game messages. Mostly we detect start of game
3707 when the first board image arrives. On some versions
3708 of the ICS, though, we need to do a "refresh" after starting
3709 to observe in order to get the current board right away. */
3710 if (looking_at(buf, &i, "Adding game * to observation list")) {
3711 started = STARTED_OBSERVE;
3715 /* Handle auto-observe */
3716 if (appData.autoObserve &&
3717 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3718 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3720 /* Choose the player that was highlighted, if any. */
3721 if (star_match[0][0] == '\033' ||
3722 star_match[1][0] != '\033') {
3723 player = star_match[0];
3725 player = star_match[2];
3727 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3728 ics_prefix, StripHighlightAndTitle(player));
3731 /* Save ratings from notify string */
3732 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3733 player1Rating = string_to_rating(star_match[1]);
3734 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3735 player2Rating = string_to_rating(star_match[3]);
3737 if (appData.debugMode)
3739 "Ratings from 'Game notification:' %s %d, %s %d\n",
3740 player1Name, player1Rating,
3741 player2Name, player2Rating);
3746 /* Deal with automatic examine mode after a game,
3747 and with IcsObserving -> IcsExamining transition */
3748 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3749 looking_at(buf, &i, "has made you an examiner of game *")) {
3751 int gamenum = atoi(star_match[0]);
3752 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3753 gamenum == ics_gamenum) {
3754 /* We were already playing or observing this game;
3755 no need to refetch history */
3756 gameMode = IcsExamining;
3758 pauseExamForwardMostMove = forwardMostMove;
3759 } else if (currentMove < forwardMostMove) {
3760 ForwardInner(forwardMostMove);
3763 /* I don't think this case really can happen */
3764 SendToICS(ics_prefix);
3765 SendToICS("refresh\n");
3770 /* Error messages */
3771 // if (ics_user_moved) {
3772 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3773 if (looking_at(buf, &i, "Illegal move") ||
3774 looking_at(buf, &i, "Not a legal move") ||
3775 looking_at(buf, &i, "Your king is in check") ||
3776 looking_at(buf, &i, "It isn't your turn") ||
3777 looking_at(buf, &i, "It is not your move")) {
3779 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3780 currentMove = forwardMostMove-1;
3781 DisplayMove(currentMove - 1); /* before DMError */
3782 DrawPosition(FALSE, boards[currentMove]);
3783 SwitchClocks(forwardMostMove-1); // [HGM] race
3784 DisplayBothClocks();
3786 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3792 if (looking_at(buf, &i, "still have time") ||
3793 looking_at(buf, &i, "not out of time") ||
3794 looking_at(buf, &i, "either player is out of time") ||
3795 looking_at(buf, &i, "has timeseal; checking")) {
3796 /* We must have called his flag a little too soon */
3797 whiteFlag = blackFlag = FALSE;
3801 if (looking_at(buf, &i, "added * seconds to") ||
3802 looking_at(buf, &i, "seconds were added to")) {
3803 /* Update the clocks */
3804 SendToICS(ics_prefix);
3805 SendToICS("refresh\n");
3809 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3810 ics_clock_paused = TRUE;
3815 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3816 ics_clock_paused = FALSE;
3821 /* Grab player ratings from the Creating: message.
3822 Note we have to check for the special case when
3823 the ICS inserts things like [white] or [black]. */
3824 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3825 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3827 0 player 1 name (not necessarily white)
3829 2 empty, white, or black (IGNORED)
3830 3 player 2 name (not necessarily black)
3833 The names/ratings are sorted out when the game
3834 actually starts (below).
3836 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3837 player1Rating = string_to_rating(star_match[1]);
3838 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3839 player2Rating = string_to_rating(star_match[4]);
3841 if (appData.debugMode)
3843 "Ratings from 'Creating:' %s %d, %s %d\n",
3844 player1Name, player1Rating,
3845 player2Name, player2Rating);
3850 /* Improved generic start/end-of-game messages */
3851 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3852 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3853 /* If tkind == 0: */
3854 /* star_match[0] is the game number */
3855 /* [1] is the white player's name */
3856 /* [2] is the black player's name */
3857 /* For end-of-game: */
3858 /* [3] is the reason for the game end */
3859 /* [4] is a PGN end game-token, preceded by " " */
3860 /* For start-of-game: */
3861 /* [3] begins with "Creating" or "Continuing" */
3862 /* [4] is " *" or empty (don't care). */
3863 int gamenum = atoi(star_match[0]);
3864 char *whitename, *blackname, *why, *endtoken;
3865 ChessMove endtype = EndOfFile;
3868 whitename = star_match[1];
3869 blackname = star_match[2];
3870 why = star_match[3];
3871 endtoken = star_match[4];
3873 whitename = star_match[1];
3874 blackname = star_match[3];
3875 why = star_match[5];
3876 endtoken = star_match[6];
3879 /* Game start messages */
3880 if (strncmp(why, "Creating ", 9) == 0 ||
3881 strncmp(why, "Continuing ", 11) == 0) {
3882 gs_gamenum = gamenum;
3883 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3884 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3885 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3887 if (appData.zippyPlay) {
3888 ZippyGameStart(whitename, blackname);
3891 partnerBoardValid = FALSE; // [HGM] bughouse
3895 /* Game end messages */
3896 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3897 ics_gamenum != gamenum) {
3900 while (endtoken[0] == ' ') endtoken++;
3901 switch (endtoken[0]) {
3904 endtype = GameUnfinished;
3907 endtype = BlackWins;
3910 if (endtoken[1] == '/')
3911 endtype = GameIsDrawn;
3913 endtype = WhiteWins;
3916 GameEnds(endtype, why, GE_ICS);
3918 if (appData.zippyPlay && first.initDone) {
3919 ZippyGameEnd(endtype, why);
3920 if (first.pr == NoProc) {
3921 /* Start the next process early so that we'll
3922 be ready for the next challenge */
3923 StartChessProgram(&first);
3925 /* Send "new" early, in case this command takes
3926 a long time to finish, so that we'll be ready
3927 for the next challenge. */
3928 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3932 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3936 if (looking_at(buf, &i, "Removing game * from observation") ||
3937 looking_at(buf, &i, "no longer observing game *") ||
3938 looking_at(buf, &i, "Game * (*) has no examiners")) {
3939 if (gameMode == IcsObserving &&
3940 atoi(star_match[0]) == ics_gamenum)
3942 /* icsEngineAnalyze */
3943 if (appData.icsEngineAnalyze) {
3950 ics_user_moved = FALSE;
3955 if (looking_at(buf, &i, "no longer examining game *")) {
3956 if (gameMode == IcsExamining &&
3957 atoi(star_match[0]) == ics_gamenum)
3961 ics_user_moved = FALSE;
3966 /* Advance leftover_start past any newlines we find,
3967 so only partial lines can get reparsed */
3968 if (looking_at(buf, &i, "\n")) {
3969 prevColor = curColor;
3970 if (curColor != ColorNormal) {
3971 if (oldi > next_out) {
3972 SendToPlayer(&buf[next_out], oldi - next_out);
3975 Colorize(ColorNormal, FALSE);
3976 curColor = ColorNormal;
3978 if (started == STARTED_BOARD) {
3979 started = STARTED_NONE;
3980 parse[parse_pos] = NULLCHAR;
3981 ParseBoard12(parse);
3984 /* Send premove here */
3985 if (appData.premove) {
3987 if (currentMove == 0 &&
3988 gameMode == IcsPlayingWhite &&
3989 appData.premoveWhite) {
3990 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3991 if (appData.debugMode)
3992 fprintf(debugFP, "Sending premove:\n");
3994 } else if (currentMove == 1 &&
3995 gameMode == IcsPlayingBlack &&
3996 appData.premoveBlack) {
3997 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3998 if (appData.debugMode)
3999 fprintf(debugFP, "Sending premove:\n");
4001 } else if (gotPremove) {
4003 ClearPremoveHighlights();
4004 if (appData.debugMode)
4005 fprintf(debugFP, "Sending premove:\n");
4006 UserMoveEvent(premoveFromX, premoveFromY,
4007 premoveToX, premoveToY,
4012 /* Usually suppress following prompt */
4013 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4014 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4015 if (looking_at(buf, &i, "*% ")) {
4016 savingComment = FALSE;
4021 } else if (started == STARTED_HOLDINGS) {
4023 char new_piece[MSG_SIZ];
4024 started = STARTED_NONE;
4025 parse[parse_pos] = NULLCHAR;
4026 if (appData.debugMode)
4027 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4028 parse, currentMove);
4029 if (sscanf(parse, " game %d", &gamenum) == 1) {
4030 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4031 if (gameInfo.variant == VariantNormal) {
4032 /* [HGM] We seem to switch variant during a game!
4033 * Presumably no holdings were displayed, so we have
4034 * to move the position two files to the right to
4035 * create room for them!
4037 VariantClass newVariant;
4038 switch(gameInfo.boardWidth) { // base guess on board width
4039 case 9: newVariant = VariantShogi; break;
4040 case 10: newVariant = VariantGreat; break;
4041 default: newVariant = VariantCrazyhouse; break;
4043 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4044 /* Get a move list just to see the header, which
4045 will tell us whether this is really bug or zh */
4046 if (ics_getting_history == H_FALSE) {
4047 ics_getting_history = H_REQUESTED;
4048 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4052 new_piece[0] = NULLCHAR;
4053 sscanf(parse, "game %d white [%s black [%s <- %s",
4054 &gamenum, white_holding, black_holding,
4056 white_holding[strlen(white_holding)-1] = NULLCHAR;
4057 black_holding[strlen(black_holding)-1] = NULLCHAR;
4058 /* [HGM] copy holdings to board holdings area */
4059 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4060 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4061 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4063 if (appData.zippyPlay && first.initDone) {
4064 ZippyHoldings(white_holding, black_holding,
4068 if (tinyLayout || smallLayout) {
4069 char wh[16], bh[16];
4070 PackHolding(wh, white_holding);
4071 PackHolding(bh, black_holding);
4072 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4073 gameInfo.white, gameInfo.black);
4075 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4076 gameInfo.white, white_holding, _("vs."),
4077 gameInfo.black, black_holding);
4079 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4080 DrawPosition(FALSE, boards[currentMove]);
4082 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4083 sscanf(parse, "game %d white [%s black [%s <- %s",
4084 &gamenum, white_holding, black_holding,
4086 white_holding[strlen(white_holding)-1] = NULLCHAR;
4087 black_holding[strlen(black_holding)-1] = NULLCHAR;
4088 /* [HGM] copy holdings to partner-board holdings area */
4089 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4090 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4091 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4092 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4093 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4096 /* Suppress following prompt */
4097 if (looking_at(buf, &i, "*% ")) {
4098 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4099 savingComment = FALSE;
4107 i++; /* skip unparsed character and loop back */
4110 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4111 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4112 // SendToPlayer(&buf[next_out], i - next_out);
4113 started != STARTED_HOLDINGS && leftover_start > next_out) {
4114 SendToPlayer(&buf[next_out], leftover_start - next_out);
4118 leftover_len = buf_len - leftover_start;
4119 /* if buffer ends with something we couldn't parse,
4120 reparse it after appending the next read */
4122 } else if (count == 0) {
4123 RemoveInputSource(isr);
4124 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4126 DisplayFatalError(_("Error reading from ICS"), error, 1);
4131 /* Board style 12 looks like this:
4133 <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
4135 * The "<12> " is stripped before it gets to this routine. The two
4136 * trailing 0's (flip state and clock ticking) are later addition, and
4137 * some chess servers may not have them, or may have only the first.
4138 * Additional trailing fields may be added in the future.
4141 #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"
4143 #define RELATION_OBSERVING_PLAYED 0
4144 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4145 #define RELATION_PLAYING_MYMOVE 1
4146 #define RELATION_PLAYING_NOTMYMOVE -1
4147 #define RELATION_EXAMINING 2
4148 #define RELATION_ISOLATED_BOARD -3
4149 #define RELATION_STARTING_POSITION -4 /* FICS only */
4152 ParseBoard12 (char *string)
4154 GameMode newGameMode;
4155 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4156 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4157 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4158 char to_play, board_chars[200];
4159 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4160 char black[32], white[32];
4162 int prevMove = currentMove;
4165 int fromX, fromY, toX, toY;
4167 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4168 char *bookHit = NULL; // [HGM] book
4169 Boolean weird = FALSE, reqFlag = FALSE;
4171 fromX = fromY = toX = toY = -1;
4175 if (appData.debugMode)
4176 fprintf(debugFP, _("Parsing board: %s\n"), string);
4178 move_str[0] = NULLCHAR;
4179 elapsed_time[0] = NULLCHAR;
4180 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4182 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4183 if(string[i] == ' ') { ranks++; files = 0; }
4185 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4188 for(j = 0; j <i; j++) board_chars[j] = string[j];
4189 board_chars[i] = '\0';
4192 n = sscanf(string, PATTERN, &to_play, &double_push,
4193 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4194 &gamenum, white, black, &relation, &basetime, &increment,
4195 &white_stren, &black_stren, &white_time, &black_time,
4196 &moveNum, str, elapsed_time, move_str, &ics_flip,
4200 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4201 DisplayError(str, 0);
4205 /* Convert the move number to internal form */
4206 moveNum = (moveNum - 1) * 2;
4207 if (to_play == 'B') moveNum++;
4208 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4209 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4215 case RELATION_OBSERVING_PLAYED:
4216 case RELATION_OBSERVING_STATIC:
4217 if (gamenum == -1) {
4218 /* Old ICC buglet */
4219 relation = RELATION_OBSERVING_STATIC;
4221 newGameMode = IcsObserving;
4223 case RELATION_PLAYING_MYMOVE:
4224 case RELATION_PLAYING_NOTMYMOVE:
4226 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4227 IcsPlayingWhite : IcsPlayingBlack;
4228 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4230 case RELATION_EXAMINING:
4231 newGameMode = IcsExamining;
4233 case RELATION_ISOLATED_BOARD:
4235 /* Just display this board. If user was doing something else,
4236 we will forget about it until the next board comes. */
4237 newGameMode = IcsIdle;
4239 case RELATION_STARTING_POSITION:
4240 newGameMode = gameMode;
4244 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4245 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4246 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4247 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4248 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4249 static int lastBgGame = -1;
4251 for (k = 0; k < ranks; k++) {
4252 for (j = 0; j < files; j++)
4253 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4254 if(gameInfo.holdingsWidth > 1) {
4255 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4256 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4259 CopyBoard(partnerBoard, board);
4260 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4261 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4262 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4263 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4264 if(toSqr = strchr(str, '-')) {
4265 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4266 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4267 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4268 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4269 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4270 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4272 DisplayWhiteClock(white_time*fac, to_play == 'W');
4273 DisplayBlackClock(black_time*fac, to_play != 'W');
4274 activePartner = to_play;
4275 if(gamenum != lastBgGame) {
4277 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4280 lastBgGame = gamenum;
4281 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4282 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4283 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4284 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4285 DisplayMessage(partnerStatus, "");
4286 partnerBoardValid = TRUE;
4290 if(appData.dualBoard && appData.bgObserve) {
4291 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4292 SendToICS(ics_prefix), SendToICS("pobserve\n");
4293 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4295 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4300 /* Modify behavior for initial board display on move listing
4303 switch (ics_getting_history) {
4307 case H_GOT_REQ_HEADER:
4308 case H_GOT_UNREQ_HEADER:
4309 /* This is the initial position of the current game */
4310 gamenum = ics_gamenum;
4311 moveNum = 0; /* old ICS bug workaround */
4312 if (to_play == 'B') {
4313 startedFromSetupPosition = TRUE;
4314 blackPlaysFirst = TRUE;
4316 if (forwardMostMove == 0) forwardMostMove = 1;
4317 if (backwardMostMove == 0) backwardMostMove = 1;
4318 if (currentMove == 0) currentMove = 1;
4320 newGameMode = gameMode;
4321 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4323 case H_GOT_UNWANTED_HEADER:
4324 /* This is an initial board that we don't want */
4326 case H_GETTING_MOVES:
4327 /* Should not happen */
4328 DisplayError(_("Error gathering move list: extra board"), 0);
4329 ics_getting_history = H_FALSE;
4333 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4334 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4335 weird && (int)gameInfo.variant < (int)VariantShogi) {
4336 /* [HGM] We seem to have switched variant unexpectedly
4337 * Try to guess new variant from board size
4339 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4340 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4341 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4342 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4343 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4344 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4345 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4346 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4347 /* Get a move list just to see the header, which
4348 will tell us whether this is really bug or zh */
4349 if (ics_getting_history == H_FALSE) {
4350 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4351 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4356 /* Take action if this is the first board of a new game, or of a
4357 different game than is currently being displayed. */
4358 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4359 relation == RELATION_ISOLATED_BOARD) {
4361 /* Forget the old game and get the history (if any) of the new one */
4362 if (gameMode != BeginningOfGame) {
4366 if (appData.autoRaiseBoard) BoardToTop();
4368 if (gamenum == -1) {
4369 newGameMode = IcsIdle;
4370 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4371 appData.getMoveList && !reqFlag) {
4372 /* Need to get game history */
4373 ics_getting_history = H_REQUESTED;
4374 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4378 /* Initially flip the board to have black on the bottom if playing
4379 black or if the ICS flip flag is set, but let the user change
4380 it with the Flip View button. */
4381 flipView = appData.autoFlipView ?
4382 (newGameMode == IcsPlayingBlack) || ics_flip :
4385 /* Done with values from previous mode; copy in new ones */
4386 gameMode = newGameMode;
4388 ics_gamenum = gamenum;
4389 if (gamenum == gs_gamenum) {
4390 int klen = strlen(gs_kind);
4391 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4392 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4393 gameInfo.event = StrSave(str);
4395 gameInfo.event = StrSave("ICS game");
4397 gameInfo.site = StrSave(appData.icsHost);
4398 gameInfo.date = PGNDate();
4399 gameInfo.round = StrSave("-");
4400 gameInfo.white = StrSave(white);
4401 gameInfo.black = StrSave(black);
4402 timeControl = basetime * 60 * 1000;
4404 timeIncrement = increment * 1000;
4405 movesPerSession = 0;
4406 gameInfo.timeControl = TimeControlTagValue();
4407 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4408 if (appData.debugMode) {
4409 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4410 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4411 setbuf(debugFP, NULL);
4414 gameInfo.outOfBook = NULL;
4416 /* Do we have the ratings? */
4417 if (strcmp(player1Name, white) == 0 &&
4418 strcmp(player2Name, black) == 0) {
4419 if (appData.debugMode)
4420 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4421 player1Rating, player2Rating);
4422 gameInfo.whiteRating = player1Rating;
4423 gameInfo.blackRating = player2Rating;
4424 } else if (strcmp(player2Name, white) == 0 &&
4425 strcmp(player1Name, black) == 0) {
4426 if (appData.debugMode)
4427 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4428 player2Rating, player1Rating);
4429 gameInfo.whiteRating = player2Rating;
4430 gameInfo.blackRating = player1Rating;
4432 player1Name[0] = player2Name[0] = NULLCHAR;
4434 /* Silence shouts if requested */
4435 if (appData.quietPlay &&
4436 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4437 SendToICS(ics_prefix);
4438 SendToICS("set shout 0\n");
4442 /* Deal with midgame name changes */
4444 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4445 if (gameInfo.white) free(gameInfo.white);
4446 gameInfo.white = StrSave(white);
4448 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4449 if (gameInfo.black) free(gameInfo.black);
4450 gameInfo.black = StrSave(black);
4454 /* Throw away game result if anything actually changes in examine mode */
4455 if (gameMode == IcsExamining && !newGame) {
4456 gameInfo.result = GameUnfinished;
4457 if (gameInfo.resultDetails != NULL) {
4458 free(gameInfo.resultDetails);
4459 gameInfo.resultDetails = NULL;
4463 /* In pausing && IcsExamining mode, we ignore boards coming
4464 in if they are in a different variation than we are. */
4465 if (pauseExamInvalid) return;
4466 if (pausing && gameMode == IcsExamining) {
4467 if (moveNum <= pauseExamForwardMostMove) {
4468 pauseExamInvalid = TRUE;
4469 forwardMostMove = pauseExamForwardMostMove;
4474 if (appData.debugMode) {
4475 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4477 /* Parse the board */
4478 for (k = 0; k < ranks; k++) {
4479 for (j = 0; j < files; j++)
4480 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4481 if(gameInfo.holdingsWidth > 1) {
4482 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4483 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4486 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4487 board[5][BOARD_RGHT+1] = WhiteAngel;
4488 board[6][BOARD_RGHT+1] = WhiteMarshall;
4489 board[1][0] = BlackMarshall;
4490 board[2][0] = BlackAngel;
4491 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4493 CopyBoard(boards[moveNum], board);
4494 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4496 startedFromSetupPosition =
4497 !CompareBoards(board, initialPosition);
4498 if(startedFromSetupPosition)
4499 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4502 /* [HGM] Set castling rights. Take the outermost Rooks,
4503 to make it also work for FRC opening positions. Note that board12
4504 is really defective for later FRC positions, as it has no way to
4505 indicate which Rook can castle if they are on the same side of King.
4506 For the initial position we grant rights to the outermost Rooks,
4507 and remember thos rights, and we then copy them on positions
4508 later in an FRC game. This means WB might not recognize castlings with
4509 Rooks that have moved back to their original position as illegal,
4510 but in ICS mode that is not its job anyway.
4512 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4513 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4515 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4516 if(board[0][i] == WhiteRook) j = i;
4517 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4518 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4519 if(board[0][i] == WhiteRook) j = i;
4520 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4521 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4522 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4523 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4524 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4525 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4526 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4528 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4529 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4530 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4531 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4532 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4533 if(board[BOARD_HEIGHT-1][k] == bKing)
4534 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4535 if(gameInfo.variant == VariantTwoKings) {
4536 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4537 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4538 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4541 r = boards[moveNum][CASTLING][0] = initialRights[0];
4542 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4543 r = boards[moveNum][CASTLING][1] = initialRights[1];
4544 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4545 r = boards[moveNum][CASTLING][3] = initialRights[3];
4546 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4547 r = boards[moveNum][CASTLING][4] = initialRights[4];
4548 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4549 /* wildcastle kludge: always assume King has rights */
4550 r = boards[moveNum][CASTLING][2] = initialRights[2];
4551 r = boards[moveNum][CASTLING][5] = initialRights[5];
4553 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4554 boards[moveNum][EP_STATUS] = EP_NONE;
4555 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4556 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4557 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4560 if (ics_getting_history == H_GOT_REQ_HEADER ||
4561 ics_getting_history == H_GOT_UNREQ_HEADER) {
4562 /* This was an initial position from a move list, not
4563 the current position */
4567 /* Update currentMove and known move number limits */
4568 newMove = newGame || moveNum > forwardMostMove;
4571 forwardMostMove = backwardMostMove = currentMove = moveNum;
4572 if (gameMode == IcsExamining && moveNum == 0) {
4573 /* Workaround for ICS limitation: we are not told the wild
4574 type when starting to examine a game. But if we ask for
4575 the move list, the move list header will tell us */
4576 ics_getting_history = H_REQUESTED;
4577 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4580 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4581 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4583 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4584 /* [HGM] applied this also to an engine that is silently watching */
4585 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4586 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4587 gameInfo.variant == currentlyInitializedVariant) {
4588 takeback = forwardMostMove - moveNum;
4589 for (i = 0; i < takeback; i++) {
4590 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4591 SendToProgram("undo\n", &first);
4596 forwardMostMove = moveNum;
4597 if (!pausing || currentMove > forwardMostMove)
4598 currentMove = forwardMostMove;
4600 /* New part of history that is not contiguous with old part */
4601 if (pausing && gameMode == IcsExamining) {
4602 pauseExamInvalid = TRUE;
4603 forwardMostMove = pauseExamForwardMostMove;
4606 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4608 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4609 // [HGM] when we will receive the move list we now request, it will be
4610 // fed to the engine from the first move on. So if the engine is not
4611 // in the initial position now, bring it there.
4612 InitChessProgram(&first, 0);
4615 ics_getting_history = H_REQUESTED;
4616 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4619 forwardMostMove = backwardMostMove = currentMove = moveNum;
4622 /* Update the clocks */
4623 if (strchr(elapsed_time, '.')) {
4625 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4626 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4628 /* Time is in seconds */
4629 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4630 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4635 if (appData.zippyPlay && newGame &&
4636 gameMode != IcsObserving && gameMode != IcsIdle &&
4637 gameMode != IcsExamining)
4638 ZippyFirstBoard(moveNum, basetime, increment);
4641 /* Put the move on the move list, first converting
4642 to canonical algebraic form. */
4644 if (appData.debugMode) {
4645 if (appData.debugMode) { int f = forwardMostMove;
4646 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4647 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4648 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4650 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4651 fprintf(debugFP, "moveNum = %d\n", moveNum);
4652 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4653 setbuf(debugFP, NULL);
4655 if (moveNum <= backwardMostMove) {
4656 /* We don't know what the board looked like before
4658 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4659 strcat(parseList[moveNum - 1], " ");
4660 strcat(parseList[moveNum - 1], elapsed_time);
4661 moveList[moveNum - 1][0] = NULLCHAR;
4662 } else if (strcmp(move_str, "none") == 0) {
4663 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4664 /* Again, we don't know what the board looked like;
4665 this is really the start of the game. */
4666 parseList[moveNum - 1][0] = NULLCHAR;
4667 moveList[moveNum - 1][0] = NULLCHAR;
4668 backwardMostMove = moveNum;
4669 startedFromSetupPosition = TRUE;
4670 fromX = fromY = toX = toY = -1;
4672 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4673 // So we parse the long-algebraic move string in stead of the SAN move
4674 int valid; char buf[MSG_SIZ], *prom;
4676 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4677 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4678 // str looks something like "Q/a1-a2"; kill the slash
4680 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4681 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4682 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4683 strcat(buf, prom); // long move lacks promo specification!
4684 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4685 if(appData.debugMode)
4686 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4687 safeStrCpy(move_str, buf, MSG_SIZ);
4689 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4690 &fromX, &fromY, &toX, &toY, &promoChar)
4691 || ParseOneMove(buf, moveNum - 1, &moveType,
4692 &fromX, &fromY, &toX, &toY, &promoChar);
4693 // end of long SAN patch
4695 (void) CoordsToAlgebraic(boards[moveNum - 1],
4696 PosFlags(moveNum - 1),
4697 fromY, fromX, toY, toX, promoChar,
4698 parseList[moveNum-1]);
4699 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4705 if(gameInfo.variant != VariantShogi)
4706 strcat(parseList[moveNum - 1], "+");
4709 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4710 strcat(parseList[moveNum - 1], "#");
4713 strcat(parseList[moveNum - 1], " ");
4714 strcat(parseList[moveNum - 1], elapsed_time);
4715 /* currentMoveString is set as a side-effect of ParseOneMove */
4716 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4717 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4718 strcat(moveList[moveNum - 1], "\n");
4720 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4721 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4722 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4723 ChessSquare old, new = boards[moveNum][k][j];
4724 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4725 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4726 if(old == new) continue;
4727 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4728 else if(new == WhiteWazir || new == BlackWazir) {
4729 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4730 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4731 else boards[moveNum][k][j] = old; // preserve type of Gold
4732 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4733 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4736 /* Move from ICS was illegal!? Punt. */
4737 if (appData.debugMode) {
4738 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4739 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4741 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4742 strcat(parseList[moveNum - 1], " ");
4743 strcat(parseList[moveNum - 1], elapsed_time);
4744 moveList[moveNum - 1][0] = NULLCHAR;
4745 fromX = fromY = toX = toY = -1;
4748 if (appData.debugMode) {
4749 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4750 setbuf(debugFP, NULL);
4754 /* Send move to chess program (BEFORE animating it). */
4755 if (appData.zippyPlay && !newGame && newMove &&
4756 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4758 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4759 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4760 if (moveList[moveNum - 1][0] == NULLCHAR) {
4761 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4763 DisplayError(str, 0);
4765 if (first.sendTime) {
4766 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4768 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4769 if (firstMove && !bookHit) {
4771 if (first.useColors) {
4772 SendToProgram(gameMode == IcsPlayingWhite ?
4774 "black\ngo\n", &first);
4776 SendToProgram("go\n", &first);
4778 first.maybeThinking = TRUE;
4781 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4782 if (moveList[moveNum - 1][0] == NULLCHAR) {
4783 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4784 DisplayError(str, 0);
4786 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4787 SendMoveToProgram(moveNum - 1, &first);
4794 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4795 /* If move comes from a remote source, animate it. If it
4796 isn't remote, it will have already been animated. */
4797 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4798 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4800 if (!pausing && appData.highlightLastMove) {
4801 SetHighlights(fromX, fromY, toX, toY);
4805 /* Start the clocks */
4806 whiteFlag = blackFlag = FALSE;
4807 appData.clockMode = !(basetime == 0 && increment == 0);
4809 ics_clock_paused = TRUE;
4811 } else if (ticking == 1) {
4812 ics_clock_paused = FALSE;
4814 if (gameMode == IcsIdle ||
4815 relation == RELATION_OBSERVING_STATIC ||
4816 relation == RELATION_EXAMINING ||
4818 DisplayBothClocks();
4822 /* Display opponents and material strengths */
4823 if (gameInfo.variant != VariantBughouse &&
4824 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4825 if (tinyLayout || smallLayout) {
4826 if(gameInfo.variant == VariantNormal)
4827 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4828 gameInfo.white, white_stren, gameInfo.black, black_stren,
4829 basetime, increment);
4831 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4832 gameInfo.white, white_stren, gameInfo.black, black_stren,
4833 basetime, increment, (int) gameInfo.variant);
4835 if(gameInfo.variant == VariantNormal)
4836 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4837 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4838 basetime, increment);
4840 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4841 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4842 basetime, increment, VariantName(gameInfo.variant));
4845 if (appData.debugMode) {
4846 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4851 /* Display the board */
4852 if (!pausing && !appData.noGUI) {
4854 if (appData.premove)
4856 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4857 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4858 ClearPremoveHighlights();
4860 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4861 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4862 DrawPosition(j, boards[currentMove]);
4864 DisplayMove(moveNum - 1);
4865 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4866 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4867 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4868 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4872 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4874 if(bookHit) { // [HGM] book: simulate book reply
4875 static char bookMove[MSG_SIZ]; // a bit generous?
4877 programStats.nodes = programStats.depth = programStats.time =
4878 programStats.score = programStats.got_only_move = 0;
4879 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4881 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4882 strcat(bookMove, bookHit);
4883 HandleMachineMove(bookMove, &first);
4892 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4893 ics_getting_history = H_REQUESTED;
4894 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4900 AnalysisPeriodicEvent (int force)
4902 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4903 && !force) || !appData.periodicUpdates)
4906 /* Send . command to Crafty to collect stats */
4907 SendToProgram(".\n", &first);
4909 /* Don't send another until we get a response (this makes
4910 us stop sending to old Crafty's which don't understand
4911 the "." command (sending illegal cmds resets node count & time,
4912 which looks bad)) */
4913 programStats.ok_to_send = 0;
4917 ics_update_width (int new_width)
4919 ics_printf("set width %d\n", new_width);
4923 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4927 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4928 // null move in variant where engine does not understand it (for analysis purposes)
4929 SendBoard(cps, moveNum + 1); // send position after move in stead.
4932 if (cps->useUsermove) {
4933 SendToProgram("usermove ", cps);
4937 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4938 int len = space - parseList[moveNum];
4939 memcpy(buf, parseList[moveNum], len);
4941 buf[len] = NULLCHAR;
4943 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4945 SendToProgram(buf, cps);
4947 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4948 AlphaRank(moveList[moveNum], 4);
4949 SendToProgram(moveList[moveNum], cps);
4950 AlphaRank(moveList[moveNum], 4); // and back
4952 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4953 * the engine. It would be nice to have a better way to identify castle
4955 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4956 && cps->useOOCastle) {
4957 int fromX = moveList[moveNum][0] - AAA;
4958 int fromY = moveList[moveNum][1] - ONE;
4959 int toX = moveList[moveNum][2] - AAA;
4960 int toY = moveList[moveNum][3] - ONE;
4961 if((boards[moveNum][fromY][fromX] == WhiteKing
4962 && boards[moveNum][toY][toX] == WhiteRook)
4963 || (boards[moveNum][fromY][fromX] == BlackKing
4964 && boards[moveNum][toY][toX] == BlackRook)) {
4965 if(toX > fromX) SendToProgram("O-O\n", cps);
4966 else SendToProgram("O-O-O\n", cps);
4968 else SendToProgram(moveList[moveNum], cps);
4970 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4971 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4972 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4973 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4974 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4976 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4977 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4978 SendToProgram(buf, cps);
4980 else SendToProgram(moveList[moveNum], cps);
4981 /* End of additions by Tord */
4984 /* [HGM] setting up the opening has brought engine in force mode! */
4985 /* Send 'go' if we are in a mode where machine should play. */
4986 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4987 (gameMode == TwoMachinesPlay ||
4989 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4991 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4992 SendToProgram("go\n", cps);
4993 if (appData.debugMode) {
4994 fprintf(debugFP, "(extra)\n");
4997 setboardSpoiledMachineBlack = 0;
5001 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5003 char user_move[MSG_SIZ];
5006 if(gameInfo.variant == VariantSChess && promoChar) {
5007 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5008 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5009 } else suffix[0] = NULLCHAR;
5013 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5014 (int)moveType, fromX, fromY, toX, toY);
5015 DisplayError(user_move + strlen("say "), 0);
5017 case WhiteKingSideCastle:
5018 case BlackKingSideCastle:
5019 case WhiteQueenSideCastleWild:
5020 case BlackQueenSideCastleWild:
5022 case WhiteHSideCastleFR:
5023 case BlackHSideCastleFR:
5025 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5027 case WhiteQueenSideCastle:
5028 case BlackQueenSideCastle:
5029 case WhiteKingSideCastleWild:
5030 case BlackKingSideCastleWild:
5032 case WhiteASideCastleFR:
5033 case BlackASideCastleFR:
5035 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5037 case WhiteNonPromotion:
5038 case BlackNonPromotion:
5039 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5041 case WhitePromotion:
5042 case BlackPromotion:
5043 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
5044 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5045 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5046 PieceToChar(WhiteFerz));
5047 else if(gameInfo.variant == VariantGreat)
5048 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5049 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5050 PieceToChar(WhiteMan));
5052 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5053 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5059 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5060 ToUpper(PieceToChar((ChessSquare) fromX)),
5061 AAA + toX, ONE + toY);
5063 case IllegalMove: /* could be a variant we don't quite understand */
5064 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5066 case WhiteCapturesEnPassant:
5067 case BlackCapturesEnPassant:
5068 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5069 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5072 SendToICS(user_move);
5073 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5074 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5079 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5080 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5081 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5082 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5083 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5086 if(gameMode != IcsExamining) { // is this ever not the case?
5087 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5089 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5090 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5091 } else { // on FICS we must first go to general examine mode
5092 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5094 if(gameInfo.variant != VariantNormal) {
5095 // try figure out wild number, as xboard names are not always valid on ICS
5096 for(i=1; i<=36; i++) {
5097 snprintf(buf, MSG_SIZ, "wild/%d", i);
5098 if(StringToVariant(buf) == gameInfo.variant) break;
5100 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5101 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5102 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5103 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5104 SendToICS(ics_prefix);
5106 if(startedFromSetupPosition || backwardMostMove != 0) {
5107 fen = PositionToFEN(backwardMostMove, NULL);
5108 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5109 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5111 } else { // FICS: everything has to set by separate bsetup commands
5112 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5113 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5115 if(!WhiteOnMove(backwardMostMove)) {
5116 SendToICS("bsetup tomove black\n");
5118 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5119 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5121 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5122 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5124 i = boards[backwardMostMove][EP_STATUS];
5125 if(i >= 0) { // set e.p.
5126 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5132 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5133 SendToICS("bsetup done\n"); // switch to normal examining.
5135 for(i = backwardMostMove; i<last; i++) {
5137 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5140 SendToICS(ics_prefix);
5141 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5145 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5147 if (rf == DROP_RANK) {
5148 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5149 sprintf(move, "%c@%c%c\n",
5150 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5152 if (promoChar == 'x' || promoChar == NULLCHAR) {
5153 sprintf(move, "%c%c%c%c\n",
5154 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5156 sprintf(move, "%c%c%c%c%c\n",
5157 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5163 ProcessICSInitScript (FILE *f)
5167 while (fgets(buf, MSG_SIZ, f)) {
5168 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5175 static int lastX, lastY, selectFlag, dragging;
5180 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5181 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5182 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5183 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5184 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5185 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5188 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5189 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5190 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5191 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5192 if(!step) step = -1;
5193 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5194 appData.testLegality && (promoSweep == king ||
5195 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5197 int victim = boards[currentMove][toY][toX];
5198 boards[currentMove][toY][toX] = promoSweep;
5199 DrawPosition(FALSE, boards[currentMove]);
5200 boards[currentMove][toY][toX] = victim;
5202 ChangeDragPiece(promoSweep);
5206 PromoScroll (int x, int y)
5210 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5211 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5212 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5213 if(!step) return FALSE;
5214 lastX = x; lastY = y;
5215 if((promoSweep < BlackPawn) == flipView) step = -step;
5216 if(step > 0) selectFlag = 1;
5217 if(!selectFlag) Sweep(step);
5222 NextPiece (int step)
5224 ChessSquare piece = boards[currentMove][toY][toX];
5227 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5228 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5229 if(!step) step = -1;
5230 } while(PieceToChar(pieceSweep) == '.');
5231 boards[currentMove][toY][toX] = pieceSweep;
5232 DrawPosition(FALSE, boards[currentMove]);
5233 boards[currentMove][toY][toX] = piece;
5235 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5237 AlphaRank (char *move, int n)
5239 // char *p = move, c; int x, y;
5241 if (appData.debugMode) {
5242 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5246 move[2]>='0' && move[2]<='9' &&
5247 move[3]>='a' && move[3]<='x' ) {
5249 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5250 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5252 if(move[0]>='0' && move[0]<='9' &&
5253 move[1]>='a' && move[1]<='x' &&
5254 move[2]>='0' && move[2]<='9' &&
5255 move[3]>='a' && move[3]<='x' ) {
5256 /* input move, Shogi -> normal */
5257 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5258 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5259 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5260 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5263 move[3]>='0' && move[3]<='9' &&
5264 move[2]>='a' && move[2]<='x' ) {
5266 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5267 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5270 move[0]>='a' && move[0]<='x' &&
5271 move[3]>='0' && move[3]<='9' &&
5272 move[2]>='a' && move[2]<='x' ) {
5273 /* output move, normal -> Shogi */
5274 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5275 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5276 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5277 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5278 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5280 if (appData.debugMode) {
5281 fprintf(debugFP, " out = '%s'\n", move);
5285 char yy_textstr[8000];
5287 /* Parser for moves from gnuchess, ICS, or user typein box */
5289 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5291 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5293 switch (*moveType) {
5294 case WhitePromotion:
5295 case BlackPromotion:
5296 case WhiteNonPromotion:
5297 case BlackNonPromotion:
5299 case WhiteCapturesEnPassant:
5300 case BlackCapturesEnPassant:
5301 case WhiteKingSideCastle:
5302 case WhiteQueenSideCastle:
5303 case BlackKingSideCastle:
5304 case BlackQueenSideCastle:
5305 case WhiteKingSideCastleWild:
5306 case WhiteQueenSideCastleWild:
5307 case BlackKingSideCastleWild:
5308 case BlackQueenSideCastleWild:
5309 /* Code added by Tord: */
5310 case WhiteHSideCastleFR:
5311 case WhiteASideCastleFR:
5312 case BlackHSideCastleFR:
5313 case BlackASideCastleFR:
5314 /* End of code added by Tord */
5315 case IllegalMove: /* bug or odd chess variant */
5316 *fromX = currentMoveString[0] - AAA;
5317 *fromY = currentMoveString[1] - ONE;
5318 *toX = currentMoveString[2] - AAA;
5319 *toY = currentMoveString[3] - ONE;
5320 *promoChar = currentMoveString[4];
5321 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5322 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5323 if (appData.debugMode) {
5324 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5326 *fromX = *fromY = *toX = *toY = 0;
5329 if (appData.testLegality) {
5330 return (*moveType != IllegalMove);
5332 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5333 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5338 *fromX = *moveType == WhiteDrop ?
5339 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5340 (int) CharToPiece(ToLower(currentMoveString[0]));
5342 *toX = currentMoveString[2] - AAA;
5343 *toY = currentMoveString[3] - ONE;
5344 *promoChar = NULLCHAR;
5348 case ImpossibleMove:
5358 if (appData.debugMode) {
5359 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5362 *fromX = *fromY = *toX = *toY = 0;
5363 *promoChar = NULLCHAR;
5368 Boolean pushed = FALSE;
5369 char *lastParseAttempt;
5372 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5373 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5374 int fromX, fromY, toX, toY; char promoChar;
5379 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5380 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5383 endPV = forwardMostMove;
5385 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5386 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5387 lastParseAttempt = pv;
5388 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5389 if(!valid && nr == 0 &&
5390 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5391 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5392 // Hande case where played move is different from leading PV move
5393 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5394 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5395 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5396 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5397 endPV += 2; // if position different, keep this
5398 moveList[endPV-1][0] = fromX + AAA;
5399 moveList[endPV-1][1] = fromY + ONE;
5400 moveList[endPV-1][2] = toX + AAA;
5401 moveList[endPV-1][3] = toY + ONE;
5402 parseList[endPV-1][0] = NULLCHAR;
5403 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5406 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5407 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5408 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5409 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5410 valid++; // allow comments in PV
5414 if(endPV+1 > framePtr) break; // no space, truncate
5417 CopyBoard(boards[endPV], boards[endPV-1]);
5418 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5419 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5420 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5421 CoordsToAlgebraic(boards[endPV - 1],
5422 PosFlags(endPV - 1),
5423 fromY, fromX, toY, toX, promoChar,
5424 parseList[endPV - 1]);
5426 if(atEnd == 2) return; // used hidden, for PV conversion
5427 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5428 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5429 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5430 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5431 DrawPosition(TRUE, boards[currentMove]);
5435 MultiPV (ChessProgramState *cps)
5436 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5438 for(i=0; i<cps->nrOptions; i++)
5439 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5445 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end)
5447 int startPV, multi, lineStart, origIndex = index;
5448 char *p, buf2[MSG_SIZ];
5450 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5451 lastX = x; lastY = y;
5452 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5453 lineStart = startPV = index;
5454 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5455 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5457 do{ while(buf[index] && buf[index] != '\n') index++;
5458 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5460 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5461 int n = first.option[multi].value;
5462 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5463 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5464 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5465 first.option[multi].value = n;
5468 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5469 ExcludeClick(origIndex - lineStart);
5472 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5473 *start = startPV; *end = index-1;
5480 static char buf[10*MSG_SIZ];
5481 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5483 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5484 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5485 for(i = forwardMostMove; i<endPV; i++){
5486 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5487 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5490 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5491 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5497 LoadPV (int x, int y)
5498 { // called on right mouse click to load PV
5499 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5500 lastX = x; lastY = y;
5501 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5508 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5509 if(endPV < 0) return;
5510 if(appData.autoCopyPV) CopyFENToClipboard();
5512 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5513 Boolean saveAnimate = appData.animate;
5515 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5516 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5517 } else storedGames--; // abandon shelved tail of original game
5520 forwardMostMove = currentMove;
5521 currentMove = oldFMM;
5522 appData.animate = FALSE;
5523 ToNrEvent(forwardMostMove);
5524 appData.animate = saveAnimate;
5526 currentMove = forwardMostMove;
5527 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5528 ClearPremoveHighlights();
5529 DrawPosition(TRUE, boards[currentMove]);
5533 MovePV (int x, int y, int h)
5534 { // step through PV based on mouse coordinates (called on mouse move)
5535 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5537 // we must somehow check if right button is still down (might be released off board!)
5538 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5539 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5540 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5542 lastX = x; lastY = y;
5544 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5545 if(endPV < 0) return;
5546 if(y < margin) step = 1; else
5547 if(y > h - margin) step = -1;
5548 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5549 currentMove += step;
5550 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5551 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5552 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5553 DrawPosition(FALSE, boards[currentMove]);
5557 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5558 // All positions will have equal probability, but the current method will not provide a unique
5559 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5565 int piecesLeft[(int)BlackPawn];
5566 int seed, nrOfShuffles;
5569 GetPositionNumber ()
5570 { // sets global variable seed
5573 seed = appData.defaultFrcPosition;
5574 if(seed < 0) { // randomize based on time for negative FRC position numbers
5575 for(i=0; i<50; i++) seed += random();
5576 seed = random() ^ random() >> 8 ^ random() << 8;
5577 if(seed<0) seed = -seed;
5582 put (Board board, int pieceType, int rank, int n, int shade)
5583 // put the piece on the (n-1)-th empty squares of the given shade
5587 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5588 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5589 board[rank][i] = (ChessSquare) pieceType;
5590 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5592 piecesLeft[pieceType]--;
5601 AddOnePiece (Board board, int pieceType, int rank, int shade)
5602 // calculate where the next piece goes, (any empty square), and put it there
5606 i = seed % squaresLeft[shade];
5607 nrOfShuffles *= squaresLeft[shade];
5608 seed /= squaresLeft[shade];
5609 put(board, pieceType, rank, i, shade);
5613 AddTwoPieces (Board board, int pieceType, int rank)
5614 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5616 int i, n=squaresLeft[ANY], j=n-1, k;
5618 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5619 i = seed % k; // pick one
5622 while(i >= j) i -= j--;
5623 j = n - 1 - j; i += j;
5624 put(board, pieceType, rank, j, ANY);
5625 put(board, pieceType, rank, i, ANY);
5629 SetUpShuffle (Board board, int number)
5633 GetPositionNumber(); nrOfShuffles = 1;
5635 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5636 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5637 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5639 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5641 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5642 p = (int) board[0][i];
5643 if(p < (int) BlackPawn) piecesLeft[p] ++;
5644 board[0][i] = EmptySquare;
5647 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5648 // shuffles restricted to allow normal castling put KRR first
5649 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5650 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5651 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5652 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5653 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5654 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5655 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5656 put(board, WhiteRook, 0, 0, ANY);
5657 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5660 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5661 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5662 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5663 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5664 while(piecesLeft[p] >= 2) {
5665 AddOnePiece(board, p, 0, LITE);
5666 AddOnePiece(board, p, 0, DARK);
5668 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5671 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5672 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5673 // but we leave King and Rooks for last, to possibly obey FRC restriction
5674 if(p == (int)WhiteRook) continue;
5675 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5676 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5679 // now everything is placed, except perhaps King (Unicorn) and Rooks
5681 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5682 // Last King gets castling rights
5683 while(piecesLeft[(int)WhiteUnicorn]) {
5684 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5685 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5688 while(piecesLeft[(int)WhiteKing]) {
5689 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5690 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5695 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5696 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5699 // Only Rooks can be left; simply place them all
5700 while(piecesLeft[(int)WhiteRook]) {
5701 i = put(board, WhiteRook, 0, 0, ANY);
5702 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5705 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5707 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5710 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5711 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5714 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5718 SetCharTable (char *table, const char * map)
5719 /* [HGM] moved here from winboard.c because of its general usefulness */
5720 /* Basically a safe strcpy that uses the last character as King */
5722 int result = FALSE; int NrPieces;
5724 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5725 && NrPieces >= 12 && !(NrPieces&1)) {
5726 int i; /* [HGM] Accept even length from 12 to 34 */
5728 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5729 for( i=0; i<NrPieces/2-1; i++ ) {
5731 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5733 table[(int) WhiteKing] = map[NrPieces/2-1];
5734 table[(int) BlackKing] = map[NrPieces-1];
5743 Prelude (Board board)
5744 { // [HGM] superchess: random selection of exo-pieces
5745 int i, j, k; ChessSquare p;
5746 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5748 GetPositionNumber(); // use FRC position number
5750 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5751 SetCharTable(pieceToChar, appData.pieceToCharTable);
5752 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5753 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5756 j = seed%4; seed /= 4;
5757 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5758 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5759 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5760 j = seed%3 + (seed%3 >= j); seed /= 3;
5761 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5762 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5763 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5764 j = seed%3; seed /= 3;
5765 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5766 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5767 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5768 j = seed%2 + (seed%2 >= j); seed /= 2;
5769 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5770 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5771 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5772 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5773 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5774 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5775 put(board, exoPieces[0], 0, 0, ANY);
5776 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5780 InitPosition (int redraw)
5782 ChessSquare (* pieces)[BOARD_FILES];
5783 int i, j, pawnRow, overrule,
5784 oldx = gameInfo.boardWidth,
5785 oldy = gameInfo.boardHeight,
5786 oldh = gameInfo.holdingsWidth;
5789 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5791 /* [AS] Initialize pv info list [HGM] and game status */
5793 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5794 pvInfoList[i].depth = 0;
5795 boards[i][EP_STATUS] = EP_NONE;
5796 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5799 initialRulePlies = 0; /* 50-move counter start */
5801 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5802 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5806 /* [HGM] logic here is completely changed. In stead of full positions */
5807 /* the initialized data only consist of the two backranks. The switch */
5808 /* selects which one we will use, which is than copied to the Board */
5809 /* initialPosition, which for the rest is initialized by Pawns and */
5810 /* empty squares. This initial position is then copied to boards[0], */
5811 /* possibly after shuffling, so that it remains available. */
5813 gameInfo.holdingsWidth = 0; /* default board sizes */
5814 gameInfo.boardWidth = 8;
5815 gameInfo.boardHeight = 8;
5816 gameInfo.holdingsSize = 0;
5817 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5818 for(i=0; i<BOARD_FILES-2; i++)
5819 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5820 initialPosition[EP_STATUS] = EP_NONE;
5821 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5822 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5823 SetCharTable(pieceNickName, appData.pieceNickNames);
5824 else SetCharTable(pieceNickName, "............");
5827 switch (gameInfo.variant) {
5828 case VariantFischeRandom:
5829 shuffleOpenings = TRUE;
5832 case VariantShatranj:
5833 pieces = ShatranjArray;
5834 nrCastlingRights = 0;
5835 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5838 pieces = makrukArray;
5839 nrCastlingRights = 0;
5840 startedFromSetupPosition = TRUE;
5841 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5843 case VariantTwoKings:
5844 pieces = twoKingsArray;
5847 pieces = GrandArray;
5848 nrCastlingRights = 0;
5849 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5850 gameInfo.boardWidth = 10;
5851 gameInfo.boardHeight = 10;
5852 gameInfo.holdingsSize = 7;
5854 case VariantCapaRandom:
5855 shuffleOpenings = TRUE;
5856 case VariantCapablanca:
5857 pieces = CapablancaArray;
5858 gameInfo.boardWidth = 10;
5859 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5862 pieces = GothicArray;
5863 gameInfo.boardWidth = 10;
5864 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5867 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5868 gameInfo.holdingsSize = 7;
5871 pieces = JanusArray;
5872 gameInfo.boardWidth = 10;
5873 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5874 nrCastlingRights = 6;
5875 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5876 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5877 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5878 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5879 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5880 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5883 pieces = FalconArray;
5884 gameInfo.boardWidth = 10;
5885 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5887 case VariantXiangqi:
5888 pieces = XiangqiArray;
5889 gameInfo.boardWidth = 9;
5890 gameInfo.boardHeight = 10;
5891 nrCastlingRights = 0;
5892 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5895 pieces = ShogiArray;
5896 gameInfo.boardWidth = 9;
5897 gameInfo.boardHeight = 9;
5898 gameInfo.holdingsSize = 7;
5899 nrCastlingRights = 0;
5900 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5902 case VariantCourier:
5903 pieces = CourierArray;
5904 gameInfo.boardWidth = 12;
5905 nrCastlingRights = 0;
5906 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5908 case VariantKnightmate:
5909 pieces = KnightmateArray;
5910 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5912 case VariantSpartan:
5913 pieces = SpartanArray;
5914 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5917 pieces = fairyArray;
5918 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5921 pieces = GreatArray;
5922 gameInfo.boardWidth = 10;
5923 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5924 gameInfo.holdingsSize = 8;
5928 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5929 gameInfo.holdingsSize = 8;
5930 startedFromSetupPosition = TRUE;
5932 case VariantCrazyhouse:
5933 case VariantBughouse:
5935 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5936 gameInfo.holdingsSize = 5;
5938 case VariantWildCastle:
5940 /* !!?shuffle with kings guaranteed to be on d or e file */
5941 shuffleOpenings = 1;
5943 case VariantNoCastle:
5945 nrCastlingRights = 0;
5946 /* !!?unconstrained back-rank shuffle */
5947 shuffleOpenings = 1;
5952 if(appData.NrFiles >= 0) {
5953 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5954 gameInfo.boardWidth = appData.NrFiles;
5956 if(appData.NrRanks >= 0) {
5957 gameInfo.boardHeight = appData.NrRanks;
5959 if(appData.holdingsSize >= 0) {
5960 i = appData.holdingsSize;
5961 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5962 gameInfo.holdingsSize = i;
5964 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5965 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5966 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5968 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5969 if(pawnRow < 1) pawnRow = 1;
5970 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5972 /* User pieceToChar list overrules defaults */
5973 if(appData.pieceToCharTable != NULL)
5974 SetCharTable(pieceToChar, appData.pieceToCharTable);
5976 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5978 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5979 s = (ChessSquare) 0; /* account holding counts in guard band */
5980 for( i=0; i<BOARD_HEIGHT; i++ )
5981 initialPosition[i][j] = s;
5983 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5984 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5985 initialPosition[pawnRow][j] = WhitePawn;
5986 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5987 if(gameInfo.variant == VariantXiangqi) {
5989 initialPosition[pawnRow][j] =
5990 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5991 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5992 initialPosition[2][j] = WhiteCannon;
5993 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5997 if(gameInfo.variant == VariantGrand) {
5998 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5999 initialPosition[0][j] = WhiteRook;
6000 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6003 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
6005 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6008 initialPosition[1][j] = WhiteBishop;
6009 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6011 initialPosition[1][j] = WhiteRook;
6012 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6015 if( nrCastlingRights == -1) {
6016 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6017 /* This sets default castling rights from none to normal corners */
6018 /* Variants with other castling rights must set them themselves above */
6019 nrCastlingRights = 6;
6021 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6022 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6023 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6024 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6025 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6026 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6029 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6030 if(gameInfo.variant == VariantGreat) { // promotion commoners
6031 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6032 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6033 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6034 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6036 if( gameInfo.variant == VariantSChess ) {
6037 initialPosition[1][0] = BlackMarshall;
6038 initialPosition[2][0] = BlackAngel;
6039 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6040 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6041 initialPosition[1][1] = initialPosition[2][1] =
6042 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6044 if (appData.debugMode) {
6045 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6047 if(shuffleOpenings) {
6048 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6049 startedFromSetupPosition = TRUE;
6051 if(startedFromPositionFile) {
6052 /* [HGM] loadPos: use PositionFile for every new game */
6053 CopyBoard(initialPosition, filePosition);
6054 for(i=0; i<nrCastlingRights; i++)
6055 initialRights[i] = filePosition[CASTLING][i];
6056 startedFromSetupPosition = TRUE;
6059 CopyBoard(boards[0], initialPosition);
6061 if(oldx != gameInfo.boardWidth ||
6062 oldy != gameInfo.boardHeight ||
6063 oldv != gameInfo.variant ||
6064 oldh != gameInfo.holdingsWidth
6066 InitDrawingSizes(-2 ,0);
6068 oldv = gameInfo.variant;
6070 DrawPosition(TRUE, boards[currentMove]);
6074 SendBoard (ChessProgramState *cps, int moveNum)
6076 char message[MSG_SIZ];
6078 if (cps->useSetboard) {
6079 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6080 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6081 SendToProgram(message, cps);
6086 int i, j, left=0, right=BOARD_WIDTH;
6087 /* Kludge to set black to move, avoiding the troublesome and now
6088 * deprecated "black" command.
6090 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6091 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6093 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6095 SendToProgram("edit\n", cps);
6096 SendToProgram("#\n", cps);
6097 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6098 bp = &boards[moveNum][i][left];
6099 for (j = left; j < right; j++, bp++) {
6100 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6101 if ((int) *bp < (int) BlackPawn) {
6102 if(j == BOARD_RGHT+1)
6103 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6104 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6105 if(message[0] == '+' || message[0] == '~') {
6106 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6107 PieceToChar((ChessSquare)(DEMOTED *bp)),
6110 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6111 message[1] = BOARD_RGHT - 1 - j + '1';
6112 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6114 SendToProgram(message, cps);
6119 SendToProgram("c\n", cps);
6120 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6121 bp = &boards[moveNum][i][left];
6122 for (j = left; j < right; j++, bp++) {
6123 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6124 if (((int) *bp != (int) EmptySquare)
6125 && ((int) *bp >= (int) BlackPawn)) {
6126 if(j == BOARD_LEFT-2)
6127 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6128 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6130 if(message[0] == '+' || message[0] == '~') {
6131 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6132 PieceToChar((ChessSquare)(DEMOTED *bp)),
6135 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6136 message[1] = BOARD_RGHT - 1 - j + '1';
6137 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6139 SendToProgram(message, cps);
6144 SendToProgram(".\n", cps);
6146 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6149 char exclusionHeader[MSG_SIZ];
6150 int exCnt, excludePtr;
6151 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6152 static Exclusion excluTab[200];
6153 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6159 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6160 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6166 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6167 excludePtr = 24; exCnt = 0;
6172 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6173 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6174 char buf[2*MOVE_LEN], *p;
6175 Exclusion *e = excluTab;
6177 for(i=0; i<exCnt; i++)
6178 if(e[i].ff == fromX && e[i].fr == fromY &&
6179 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6180 if(i == exCnt) { // was not in exclude list; add it
6181 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6182 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6183 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6186 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6187 excludePtr++; e[i].mark = excludePtr++;
6188 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6191 exclusionHeader[e[i].mark] = state;
6195 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6196 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6200 if((signed char)promoChar == -1) { // kludge to indicate best move
6201 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6202 return 1; // if unparsable, abort
6204 // update exclusion map (resolving toggle by consulting existing state)
6205 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6207 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6208 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6209 excludeMap[k] |= 1<<j;
6210 else excludeMap[k] &= ~(1<<j);
6212 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6214 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6215 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6216 SendToProgram(buf, &first);
6217 return (state == '+');
6221 ExcludeClick (int index)
6224 Exclusion *e = excluTab;
6225 if(index < 25) { // none, best or tail clicked
6226 if(index < 13) { // none: include all
6227 WriteMap(0); // clear map
6228 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6229 SendToProgram("include all\n", &first); // and inform engine
6230 } else if(index > 18) { // tail
6231 if(exclusionHeader[19] == '-') { // tail was excluded
6232 SendToProgram("include all\n", &first);
6233 WriteMap(0); // clear map completely
6234 // now re-exclude selected moves
6235 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6236 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6237 } else { // tail was included or in mixed state
6238 SendToProgram("exclude all\n", &first);
6239 WriteMap(0xFF); // fill map completely
6240 // now re-include selected moves
6241 j = 0; // count them
6242 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6243 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6244 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6247 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6250 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6251 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6252 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6259 DefaultPromoChoice (int white)
6262 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6263 result = WhiteFerz; // no choice
6264 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6265 result= WhiteKing; // in Suicide Q is the last thing we want
6266 else if(gameInfo.variant == VariantSpartan)
6267 result = white ? WhiteQueen : WhiteAngel;
6268 else result = WhiteQueen;
6269 if(!white) result = WHITE_TO_BLACK result;
6273 static int autoQueen; // [HGM] oneclick
6276 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6278 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6279 /* [HGM] add Shogi promotions */
6280 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6285 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6286 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6288 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6289 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6292 piece = boards[currentMove][fromY][fromX];
6293 if(gameInfo.variant == VariantShogi) {
6294 promotionZoneSize = BOARD_HEIGHT/3;
6295 highestPromotingPiece = (int)WhiteFerz;
6296 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6297 promotionZoneSize = 3;
6300 // Treat Lance as Pawn when it is not representing Amazon
6301 if(gameInfo.variant != VariantSuper) {
6302 if(piece == WhiteLance) piece = WhitePawn; else
6303 if(piece == BlackLance) piece = BlackPawn;
6306 // next weed out all moves that do not touch the promotion zone at all
6307 if((int)piece >= BlackPawn) {
6308 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6310 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6312 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6313 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6316 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6318 // weed out mandatory Shogi promotions
6319 if(gameInfo.variant == VariantShogi) {
6320 if(piece >= BlackPawn) {
6321 if(toY == 0 && piece == BlackPawn ||
6322 toY == 0 && piece == BlackQueen ||
6323 toY <= 1 && piece == BlackKnight) {
6328 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6329 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6330 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6337 // weed out obviously illegal Pawn moves
6338 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6339 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6340 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6341 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6342 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6343 // note we are not allowed to test for valid (non-)capture, due to premove
6346 // we either have a choice what to promote to, or (in Shogi) whether to promote
6347 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6348 *promoChoice = PieceToChar(BlackFerz); // no choice
6351 // no sense asking what we must promote to if it is going to explode...
6352 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6353 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6356 // give caller the default choice even if we will not make it
6357 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6358 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6359 if( sweepSelect && gameInfo.variant != VariantGreat
6360 && gameInfo.variant != VariantGrand
6361 && gameInfo.variant != VariantSuper) return FALSE;
6362 if(autoQueen) return FALSE; // predetermined
6364 // suppress promotion popup on illegal moves that are not premoves
6365 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6366 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6367 if(appData.testLegality && !premove) {
6368 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6369 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6370 if(moveType != WhitePromotion && moveType != BlackPromotion)
6378 InPalace (int row, int column)
6379 { /* [HGM] for Xiangqi */
6380 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6381 column < (BOARD_WIDTH + 4)/2 &&
6382 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6387 PieceForSquare (int x, int y)
6389 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6392 return boards[currentMove][y][x];
6396 OKToStartUserMove (int x, int y)
6398 ChessSquare from_piece;
6401 if (matchMode) return FALSE;
6402 if (gameMode == EditPosition) return TRUE;
6404 if (x >= 0 && y >= 0)
6405 from_piece = boards[currentMove][y][x];
6407 from_piece = EmptySquare;
6409 if (from_piece == EmptySquare) return FALSE;
6411 white_piece = (int)from_piece >= (int)WhitePawn &&
6412 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6416 case TwoMachinesPlay:
6424 case MachinePlaysWhite:
6425 case IcsPlayingBlack:
6426 if (appData.zippyPlay) return FALSE;
6428 DisplayMoveError(_("You are playing Black"));
6433 case MachinePlaysBlack:
6434 case IcsPlayingWhite:
6435 if (appData.zippyPlay) return FALSE;
6437 DisplayMoveError(_("You are playing White"));
6442 case PlayFromGameFile:
6443 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6445 if (!white_piece && WhiteOnMove(currentMove)) {
6446 DisplayMoveError(_("It is White's turn"));
6449 if (white_piece && !WhiteOnMove(currentMove)) {
6450 DisplayMoveError(_("It is Black's turn"));
6453 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6454 /* Editing correspondence game history */
6455 /* Could disallow this or prompt for confirmation */
6460 case BeginningOfGame:
6461 if (appData.icsActive) return FALSE;
6462 if (!appData.noChessProgram) {
6464 DisplayMoveError(_("You are playing White"));
6471 if (!white_piece && WhiteOnMove(currentMove)) {
6472 DisplayMoveError(_("It is White's turn"));
6475 if (white_piece && !WhiteOnMove(currentMove)) {
6476 DisplayMoveError(_("It is Black's turn"));
6485 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6486 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6487 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6488 && gameMode != AnalyzeFile && gameMode != Training) {
6489 DisplayMoveError(_("Displayed position is not current"));
6496 OnlyMove (int *x, int *y, Boolean captures)
6498 DisambiguateClosure cl;
6499 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6501 case MachinePlaysBlack:
6502 case IcsPlayingWhite:
6503 case BeginningOfGame:
6504 if(!WhiteOnMove(currentMove)) return FALSE;
6506 case MachinePlaysWhite:
6507 case IcsPlayingBlack:
6508 if(WhiteOnMove(currentMove)) return FALSE;
6515 cl.pieceIn = EmptySquare;
6520 cl.promoCharIn = NULLCHAR;
6521 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6522 if( cl.kind == NormalMove ||
6523 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6524 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6525 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6532 if(cl.kind != ImpossibleMove) return FALSE;
6533 cl.pieceIn = EmptySquare;
6538 cl.promoCharIn = NULLCHAR;
6539 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6540 if( cl.kind == NormalMove ||
6541 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6542 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6543 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6548 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6554 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6555 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6556 int lastLoadGameUseList = FALSE;
6557 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6558 ChessMove lastLoadGameStart = EndOfFile;
6562 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6566 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6568 /* Check if the user is playing in turn. This is complicated because we
6569 let the user "pick up" a piece before it is his turn. So the piece he
6570 tried to pick up may have been captured by the time he puts it down!
6571 Therefore we use the color the user is supposed to be playing in this
6572 test, not the color of the piece that is currently on the starting
6573 square---except in EditGame mode, where the user is playing both
6574 sides; fortunately there the capture race can't happen. (It can
6575 now happen in IcsExamining mode, but that's just too bad. The user
6576 will get a somewhat confusing message in that case.)
6581 case TwoMachinesPlay:
6585 /* We switched into a game mode where moves are not accepted,
6586 perhaps while the mouse button was down. */
6589 case MachinePlaysWhite:
6590 /* User is moving for Black */
6591 if (WhiteOnMove(currentMove)) {
6592 DisplayMoveError(_("It is White's turn"));
6597 case MachinePlaysBlack:
6598 /* User is moving for White */
6599 if (!WhiteOnMove(currentMove)) {
6600 DisplayMoveError(_("It is Black's turn"));
6605 case PlayFromGameFile:
6606 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6609 case BeginningOfGame:
6612 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6613 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6614 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6615 /* User is moving for Black */
6616 if (WhiteOnMove(currentMove)) {
6617 DisplayMoveError(_("It is White's turn"));
6621 /* User is moving for White */
6622 if (!WhiteOnMove(currentMove)) {
6623 DisplayMoveError(_("It is Black's turn"));
6629 case IcsPlayingBlack:
6630 /* User is moving for Black */
6631 if (WhiteOnMove(currentMove)) {
6632 if (!appData.premove) {
6633 DisplayMoveError(_("It is White's turn"));
6634 } else if (toX >= 0 && toY >= 0) {
6637 premoveFromX = fromX;
6638 premoveFromY = fromY;
6639 premovePromoChar = promoChar;
6641 if (appData.debugMode)
6642 fprintf(debugFP, "Got premove: fromX %d,"
6643 "fromY %d, toX %d, toY %d\n",
6644 fromX, fromY, toX, toY);
6650 case IcsPlayingWhite:
6651 /* User is moving for White */
6652 if (!WhiteOnMove(currentMove)) {
6653 if (!appData.premove) {
6654 DisplayMoveError(_("It is Black's turn"));
6655 } else if (toX >= 0 && toY >= 0) {
6658 premoveFromX = fromX;
6659 premoveFromY = fromY;
6660 premovePromoChar = promoChar;
6662 if (appData.debugMode)
6663 fprintf(debugFP, "Got premove: fromX %d,"
6664 "fromY %d, toX %d, toY %d\n",
6665 fromX, fromY, toX, toY);
6675 /* EditPosition, empty square, or different color piece;
6676 click-click move is possible */
6677 if (toX == -2 || toY == -2) {
6678 boards[0][fromY][fromX] = EmptySquare;
6679 DrawPosition(FALSE, boards[currentMove]);
6681 } else if (toX >= 0 && toY >= 0) {
6682 boards[0][toY][toX] = boards[0][fromY][fromX];
6683 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6684 if(boards[0][fromY][0] != EmptySquare) {
6685 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6686 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6689 if(fromX == BOARD_RGHT+1) {
6690 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6691 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6692 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6695 boards[0][fromY][fromX] = gatingPiece;
6696 DrawPosition(FALSE, boards[currentMove]);
6702 if(toX < 0 || toY < 0) return;
6703 pup = boards[currentMove][toY][toX];
6705 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6706 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6707 if( pup != EmptySquare ) return;
6708 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6709 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6710 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6711 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6712 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6713 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6714 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6718 /* [HGM] always test for legality, to get promotion info */
6719 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6720 fromY, fromX, toY, toX, promoChar);
6722 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6724 /* [HGM] but possibly ignore an IllegalMove result */
6725 if (appData.testLegality) {
6726 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6727 DisplayMoveError(_("Illegal move"));
6732 if(doubleClick) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6733 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6734 ClearPremoveHighlights(); // was included
6735 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6739 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6742 /* Common tail of UserMoveEvent and DropMenuEvent */
6744 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6748 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6749 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6750 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6751 if(WhiteOnMove(currentMove)) {
6752 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6754 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6758 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6759 move type in caller when we know the move is a legal promotion */
6760 if(moveType == NormalMove && promoChar)
6761 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6763 /* [HGM] <popupFix> The following if has been moved here from
6764 UserMoveEvent(). Because it seemed to belong here (why not allow
6765 piece drops in training games?), and because it can only be
6766 performed after it is known to what we promote. */
6767 if (gameMode == Training) {
6768 /* compare the move played on the board to the next move in the
6769 * game. If they match, display the move and the opponent's response.
6770 * If they don't match, display an error message.
6774 CopyBoard(testBoard, boards[currentMove]);
6775 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6777 if (CompareBoards(testBoard, boards[currentMove+1])) {
6778 ForwardInner(currentMove+1);
6780 /* Autoplay the opponent's response.
6781 * if appData.animate was TRUE when Training mode was entered,
6782 * the response will be animated.
6784 saveAnimate = appData.animate;
6785 appData.animate = animateTraining;
6786 ForwardInner(currentMove+1);
6787 appData.animate = saveAnimate;
6789 /* check for the end of the game */
6790 if (currentMove >= forwardMostMove) {
6791 gameMode = PlayFromGameFile;
6793 SetTrainingModeOff();
6794 DisplayInformation(_("End of game"));
6797 DisplayError(_("Incorrect move"), 0);
6802 /* Ok, now we know that the move is good, so we can kill
6803 the previous line in Analysis Mode */
6804 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6805 && currentMove < forwardMostMove) {
6806 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6807 else forwardMostMove = currentMove;
6812 /* If we need the chess program but it's dead, restart it */
6813 ResurrectChessProgram();
6815 /* A user move restarts a paused game*/
6819 thinkOutput[0] = NULLCHAR;
6821 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6823 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6824 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6828 if (gameMode == BeginningOfGame) {
6829 if (appData.noChessProgram) {
6830 gameMode = EditGame;
6834 gameMode = MachinePlaysBlack;
6837 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6839 if (first.sendName) {
6840 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6841 SendToProgram(buf, &first);
6848 /* Relay move to ICS or chess engine */
6849 if (appData.icsActive) {
6850 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6851 gameMode == IcsExamining) {
6852 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6853 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6855 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6857 // also send plain move, in case ICS does not understand atomic claims
6858 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6862 if (first.sendTime && (gameMode == BeginningOfGame ||
6863 gameMode == MachinePlaysWhite ||
6864 gameMode == MachinePlaysBlack)) {
6865 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6867 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6868 // [HGM] book: if program might be playing, let it use book
6869 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6870 first.maybeThinking = TRUE;
6871 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6872 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6873 SendBoard(&first, currentMove+1);
6874 } else SendMoveToProgram(forwardMostMove-1, &first);
6875 if (currentMove == cmailOldMove + 1) {
6876 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6880 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6884 if(appData.testLegality)
6885 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6891 if (WhiteOnMove(currentMove)) {
6892 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6894 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6898 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6903 case MachinePlaysBlack:
6904 case MachinePlaysWhite:
6905 /* disable certain menu options while machine is thinking */
6906 SetMachineThinkingEnables();
6913 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6914 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6916 if(bookHit) { // [HGM] book: simulate book reply
6917 static char bookMove[MSG_SIZ]; // a bit generous?
6919 programStats.nodes = programStats.depth = programStats.time =
6920 programStats.score = programStats.got_only_move = 0;
6921 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6923 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6924 strcat(bookMove, bookHit);
6925 HandleMachineMove(bookMove, &first);
6931 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
6933 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6934 Markers *m = (Markers *) closure;
6935 if(rf == fromY && ff == fromX)
6936 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6937 || kind == WhiteCapturesEnPassant
6938 || kind == BlackCapturesEnPassant);
6939 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6943 MarkTargetSquares (int clear)
6946 if(clear) // no reason to ever suppress clearing
6947 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6948 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6949 !appData.testLegality || gameMode == EditPosition) return;
6952 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6953 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6954 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6956 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6959 DrawPosition(FALSE, NULL);
6963 Explode (Board board, int fromX, int fromY, int toX, int toY)
6965 if(gameInfo.variant == VariantAtomic &&
6966 (board[toY][toX] != EmptySquare || // capture?
6967 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6968 board[fromY][fromX] == BlackPawn )
6970 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6976 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6979 CanPromote (ChessSquare piece, int y)
6981 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6982 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6983 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6984 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6985 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6986 gameInfo.variant == VariantMakruk) return FALSE;
6987 return (piece == BlackPawn && y == 1 ||
6988 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6989 piece == BlackLance && y == 1 ||
6990 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6994 LeftClick (ClickType clickType, int xPix, int yPix)
6997 Boolean saveAnimate;
6998 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
6999 char promoChoice = NULLCHAR;
7001 static TimeMark lastClickTime, prevClickTime;
7003 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7005 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7007 if (clickType == Press) ErrorPopDown();
7009 x = EventToSquare(xPix, BOARD_WIDTH);
7010 y = EventToSquare(yPix, BOARD_HEIGHT);
7011 if (!flipView && y >= 0) {
7012 y = BOARD_HEIGHT - 1 - y;
7014 if (flipView && x >= 0) {
7015 x = BOARD_WIDTH - 1 - x;
7018 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7019 defaultPromoChoice = promoSweep;
7020 promoSweep = EmptySquare; // terminate sweep
7021 promoDefaultAltered = TRUE;
7022 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7025 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7026 if(clickType == Release) return; // ignore upclick of click-click destination
7027 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7028 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7029 if(gameInfo.holdingsWidth &&
7030 (WhiteOnMove(currentMove)
7031 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7032 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7033 // click in right holdings, for determining promotion piece
7034 ChessSquare p = boards[currentMove][y][x];
7035 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7036 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7037 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7038 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7043 DrawPosition(FALSE, boards[currentMove]);
7047 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7048 if(clickType == Press
7049 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7050 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7051 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7054 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7055 // could be static click on premove from-square: abort premove
7057 ClearPremoveHighlights();
7060 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7061 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7063 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7064 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7065 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7066 defaultPromoChoice = DefaultPromoChoice(side);
7069 autoQueen = appData.alwaysPromoteToQueen;
7073 gatingPiece = EmptySquare;
7074 if (clickType != Press) {
7075 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7076 DragPieceEnd(xPix, yPix); dragging = 0;
7077 DrawPosition(FALSE, NULL);
7081 doubleClick = FALSE;
7082 fromX = x; fromY = y; toX = toY = -1;
7083 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7084 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7085 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7087 if (OKToStartUserMove(fromX, fromY)) {
7089 MarkTargetSquares(0);
7090 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7091 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7092 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7093 promoSweep = defaultPromoChoice;
7094 selectFlag = 0; lastX = xPix; lastY = yPix;
7095 Sweep(0); // Pawn that is going to promote: preview promotion piece
7096 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7098 if (appData.highlightDragging) {
7099 SetHighlights(fromX, fromY, -1, -1);
7103 } else fromX = fromY = -1;
7109 if (clickType == Press && gameMode != EditPosition) {
7114 // ignore off-board to clicks
7115 if(y < 0 || x < 0) return;
7117 /* Check if clicking again on the same color piece */
7118 fromP = boards[currentMove][fromY][fromX];
7119 toP = boards[currentMove][y][x];
7120 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7121 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
7122 WhitePawn <= toP && toP <= WhiteKing &&
7123 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7124 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7125 (BlackPawn <= fromP && fromP <= BlackKing &&
7126 BlackPawn <= toP && toP <= BlackKing &&
7127 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7128 !(fromP == BlackKing && toP == BlackRook && frc))) {
7129 /* Clicked again on same color piece -- changed his mind */
7130 second = (x == fromX && y == fromY);
7131 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7132 second = FALSE; // first double-click rather than scond click
7133 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7135 promoDefaultAltered = FALSE;
7136 MarkTargetSquares(1);
7137 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
7138 if (appData.highlightDragging) {
7139 SetHighlights(x, y, -1, -1);
7143 if (OKToStartUserMove(x, y)) {
7144 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7145 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7146 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7147 gatingPiece = boards[currentMove][fromY][fromX];
7148 else gatingPiece = doubleClick ? fromP : EmptySquare;
7150 fromY = y; dragging = 1;
7151 MarkTargetSquares(0);
7152 DragPieceBegin(xPix, yPix, FALSE);
7153 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7154 promoSweep = defaultPromoChoice;
7155 selectFlag = 0; lastX = xPix; lastY = yPix;
7156 Sweep(0); // Pawn that is going to promote: preview promotion piece
7160 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7163 // ignore clicks on holdings
7164 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7167 if (clickType == Release && x == fromX && y == fromY) {
7168 DragPieceEnd(xPix, yPix); dragging = 0;
7170 // a deferred attempt to click-click move an empty square on top of a piece
7171 boards[currentMove][y][x] = EmptySquare;
7173 DrawPosition(FALSE, boards[currentMove]);
7174 fromX = fromY = -1; clearFlag = 0;
7177 if (appData.animateDragging) {
7178 /* Undo animation damage if any */
7179 DrawPosition(FALSE, NULL);
7181 if (second || sweepSelecting) {
7182 /* Second up/down in same square; just abort move */
7183 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7184 second = sweepSelecting = 0;
7186 gatingPiece = EmptySquare;
7189 ClearPremoveHighlights();
7191 /* First upclick in same square; start click-click mode */
7192 SetHighlights(x, y, -1, -1);
7199 /* we now have a different from- and (possibly off-board) to-square */
7200 /* Completed move */
7201 if(!sweepSelecting) {
7204 } else sweepSelecting = 0; // this must be the up-click corresponding to the down-click that started the sweep
7206 saveAnimate = appData.animate;
7207 if (clickType == Press) {
7208 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7209 // must be Edit Position mode with empty-square selected
7210 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7211 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7214 if(HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7215 if(appData.sweepSelect) {
7216 ChessSquare piece = boards[currentMove][fromY][fromX];
7217 promoSweep = defaultPromoChoice;
7218 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7219 selectFlag = 0; lastX = xPix; lastY = yPix;
7220 Sweep(0); // Pawn that is going to promote: preview promotion piece
7222 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7223 MarkTargetSquares(1);
7225 return; // promo popup appears on up-click
7227 /* Finish clickclick move */
7228 if (appData.animate || appData.highlightLastMove) {
7229 SetHighlights(fromX, fromY, toX, toY);
7234 /* Finish drag move */
7235 if (appData.highlightLastMove) {
7236 SetHighlights(fromX, fromY, toX, toY);
7240 DragPieceEnd(xPix, yPix); dragging = 0;
7241 /* Don't animate move and drag both */
7242 appData.animate = FALSE;
7244 MarkTargetSquares(1);
7246 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7247 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7248 ChessSquare piece = boards[currentMove][fromY][fromX];
7249 if(gameMode == EditPosition && piece != EmptySquare &&
7250 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7253 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7254 n = PieceToNumber(piece - (int)BlackPawn);
7255 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7256 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7257 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7259 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7260 n = PieceToNumber(piece);
7261 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7262 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7263 boards[currentMove][n][BOARD_WIDTH-2]++;
7265 boards[currentMove][fromY][fromX] = EmptySquare;
7269 DrawPosition(TRUE, boards[currentMove]);
7273 // off-board moves should not be highlighted
7274 if(x < 0 || y < 0) ClearHighlights();
7276 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7278 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7279 SetHighlights(fromX, fromY, toX, toY);
7280 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7281 // [HGM] super: promotion to captured piece selected from holdings
7282 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7283 promotionChoice = TRUE;
7284 // kludge follows to temporarily execute move on display, without promoting yet
7285 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7286 boards[currentMove][toY][toX] = p;
7287 DrawPosition(FALSE, boards[currentMove]);
7288 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7289 boards[currentMove][toY][toX] = q;
7290 DisplayMessage("Click in holdings to choose piece", "");
7295 int oldMove = currentMove;
7296 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7297 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7298 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7299 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7300 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7301 DrawPosition(TRUE, boards[currentMove]);
7304 appData.animate = saveAnimate;
7305 if (appData.animate || appData.animateDragging) {
7306 /* Undo animation damage if needed */
7307 DrawPosition(FALSE, NULL);
7312 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7313 { // front-end-free part taken out of PieceMenuPopup
7314 int whichMenu; int xSqr, ySqr;
7316 if(seekGraphUp) { // [HGM] seekgraph
7317 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7318 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7322 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7323 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7324 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7325 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7326 if(action == Press) {
7327 originalFlip = flipView;
7328 flipView = !flipView; // temporarily flip board to see game from partners perspective
7329 DrawPosition(TRUE, partnerBoard);
7330 DisplayMessage(partnerStatus, "");
7332 } else if(action == Release) {
7333 flipView = originalFlip;
7334 DrawPosition(TRUE, boards[currentMove]);
7340 xSqr = EventToSquare(x, BOARD_WIDTH);
7341 ySqr = EventToSquare(y, BOARD_HEIGHT);
7342 if (action == Release) {
7343 if(pieceSweep != EmptySquare) {
7344 EditPositionMenuEvent(pieceSweep, toX, toY);
7345 pieceSweep = EmptySquare;
7346 } else UnLoadPV(); // [HGM] pv
7348 if (action != Press) return -2; // return code to be ignored
7351 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7353 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7354 if (xSqr < 0 || ySqr < 0) return -1;
7355 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7356 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7357 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7358 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7362 if(!appData.icsEngineAnalyze) return -1;
7363 case IcsPlayingWhite:
7364 case IcsPlayingBlack:
7365 if(!appData.zippyPlay) goto noZip;
7368 case MachinePlaysWhite:
7369 case MachinePlaysBlack:
7370 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7371 if (!appData.dropMenu) {
7373 return 2; // flag front-end to grab mouse events
7375 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7376 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7379 if (xSqr < 0 || ySqr < 0) return -1;
7380 if (!appData.dropMenu || appData.testLegality &&
7381 gameInfo.variant != VariantBughouse &&
7382 gameInfo.variant != VariantCrazyhouse) return -1;
7383 whichMenu = 1; // drop menu
7389 if (((*fromX = xSqr) < 0) ||
7390 ((*fromY = ySqr) < 0)) {
7391 *fromX = *fromY = -1;
7395 *fromX = BOARD_WIDTH - 1 - *fromX;
7397 *fromY = BOARD_HEIGHT - 1 - *fromY;
7403 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7405 // char * hint = lastHint;
7406 FrontEndProgramStats stats;
7408 stats.which = cps == &first ? 0 : 1;
7409 stats.depth = cpstats->depth;
7410 stats.nodes = cpstats->nodes;
7411 stats.score = cpstats->score;
7412 stats.time = cpstats->time;
7413 stats.pv = cpstats->movelist;
7414 stats.hint = lastHint;
7415 stats.an_move_index = 0;
7416 stats.an_move_count = 0;
7418 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7419 stats.hint = cpstats->move_name;
7420 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7421 stats.an_move_count = cpstats->nr_moves;
7424 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
7426 SetProgramStats( &stats );
7430 ClearEngineOutputPane (int which)
7432 static FrontEndProgramStats dummyStats;
7433 dummyStats.which = which;
7434 dummyStats.pv = "#";
7435 SetProgramStats( &dummyStats );
7438 #define MAXPLAYERS 500
7441 TourneyStandings (int display)
7443 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7444 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7445 char result, *p, *names[MAXPLAYERS];
7447 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7448 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7449 names[0] = p = strdup(appData.participants);
7450 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7452 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7454 while(result = appData.results[nr]) {
7455 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7456 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7457 wScore = bScore = 0;
7459 case '+': wScore = 2; break;
7460 case '-': bScore = 2; break;
7461 case '=': wScore = bScore = 1; break;
7463 case '*': return strdup("busy"); // tourney not finished
7471 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7472 for(w=0; w<nPlayers; w++) {
7474 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7475 ranking[w] = b; points[w] = bScore; score[b] = -2;
7477 p = malloc(nPlayers*34+1);
7478 for(w=0; w<nPlayers && w<display; w++)
7479 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7485 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7486 { // count all piece types
7488 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7489 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7490 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7493 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7494 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7495 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7496 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7497 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7498 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7503 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7505 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7506 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7508 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7509 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7510 if(myPawns == 2 && nMine == 3) // KPP
7511 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7512 if(myPawns == 1 && nMine == 2) // KP
7513 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7514 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7515 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7516 if(myPawns) return FALSE;
7517 if(pCnt[WhiteRook+side])
7518 return pCnt[BlackRook-side] ||
7519 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7520 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7521 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7522 if(pCnt[WhiteCannon+side]) {
7523 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7524 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7526 if(pCnt[WhiteKnight+side])
7527 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7532 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7534 VariantClass v = gameInfo.variant;
7536 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7537 if(v == VariantShatranj) return TRUE; // always winnable through baring
7538 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7539 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7541 if(v == VariantXiangqi) {
7542 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7544 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7545 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7546 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7547 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7548 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7549 if(stale) // we have at least one last-rank P plus perhaps C
7550 return majors // KPKX
7551 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7553 return pCnt[WhiteFerz+side] // KCAK
7554 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7555 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7556 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7558 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7559 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7561 if(nMine == 1) return FALSE; // bare King
7562 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
7563 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7564 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7565 // by now we have King + 1 piece (or multiple Bishops on the same color)
7566 if(pCnt[WhiteKnight+side])
7567 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7568 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7569 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7571 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7572 if(pCnt[WhiteAlfil+side])
7573 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7574 if(pCnt[WhiteWazir+side])
7575 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7582 CompareWithRights (Board b1, Board b2)
7585 if(!CompareBoards(b1, b2)) return FALSE;
7586 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7587 /* compare castling rights */
7588 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7589 rights++; /* King lost rights, while rook still had them */
7590 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7591 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7592 rights++; /* but at least one rook lost them */
7594 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7596 if( b1[CASTLING][5] != NoRights ) {
7597 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7604 Adjudicate (ChessProgramState *cps)
7605 { // [HGM] some adjudications useful with buggy engines
7606 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7607 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7608 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7609 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7610 int k, count = 0; static int bare = 1;
7611 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7612 Boolean canAdjudicate = !appData.icsActive;
7614 // most tests only when we understand the game, i.e. legality-checking on
7615 if( appData.testLegality )
7616 { /* [HGM] Some more adjudications for obstinate engines */
7617 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7618 static int moveCount = 6;
7620 char *reason = NULL;
7622 /* Count what is on board. */
7623 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7625 /* Some material-based adjudications that have to be made before stalemate test */
7626 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7627 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7628 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7629 if(canAdjudicate && appData.checkMates) {
7631 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7632 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7633 "Xboard adjudication: King destroyed", GE_XBOARD );
7638 /* Bare King in Shatranj (loses) or Losers (wins) */
7639 if( nrW == 1 || nrB == 1) {
7640 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7641 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7642 if(canAdjudicate && appData.checkMates) {
7644 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7645 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7646 "Xboard adjudication: Bare king", GE_XBOARD );
7650 if( gameInfo.variant == VariantShatranj && --bare < 0)
7652 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7653 if(canAdjudicate && appData.checkMates) {
7654 /* but only adjudicate if adjudication enabled */
7656 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7657 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7658 "Xboard adjudication: Bare king", GE_XBOARD );
7665 // don't wait for engine to announce game end if we can judge ourselves
7666 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7668 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7669 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7670 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7671 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7674 reason = "Xboard adjudication: 3rd check";
7675 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7685 reason = "Xboard adjudication: Stalemate";
7686 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7687 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7688 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7689 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7690 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7691 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7692 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7693 EP_CHECKMATE : EP_WINS);
7694 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7695 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7699 reason = "Xboard adjudication: Checkmate";
7700 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7704 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7706 result = GameIsDrawn; break;
7708 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7710 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7714 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7716 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7717 GameEnds( result, reason, GE_XBOARD );
7721 /* Next absolutely insufficient mating material. */
7722 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7723 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7724 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7726 /* always flag draws, for judging claims */
7727 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7729 if(canAdjudicate && appData.materialDraws) {
7730 /* but only adjudicate them if adjudication enabled */
7731 if(engineOpponent) {
7732 SendToProgram("force\n", engineOpponent); // suppress reply
7733 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7735 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7740 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7741 if(gameInfo.variant == VariantXiangqi ?
7742 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7744 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7745 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7746 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7747 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7749 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7750 { /* if the first 3 moves do not show a tactical win, declare draw */
7751 if(engineOpponent) {
7752 SendToProgram("force\n", engineOpponent); // suppress reply
7753 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7755 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7758 } else moveCount = 6;
7761 // Repetition draws and 50-move rule can be applied independently of legality testing
7763 /* Check for rep-draws */
7765 for(k = forwardMostMove-2;
7766 k>=backwardMostMove && k>=forwardMostMove-100 &&
7767 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7768 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7771 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7772 /* compare castling rights */
7773 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7774 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7775 rights++; /* King lost rights, while rook still had them */
7776 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7777 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7778 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7779 rights++; /* but at least one rook lost them */
7781 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7782 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7784 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7785 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7786 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7789 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7790 && appData.drawRepeats > 1) {
7791 /* adjudicate after user-specified nr of repeats */
7792 int result = GameIsDrawn;
7793 char *details = "XBoard adjudication: repetition draw";
7794 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7795 // [HGM] xiangqi: check for forbidden perpetuals
7796 int m, ourPerpetual = 1, hisPerpetual = 1;
7797 for(m=forwardMostMove; m>k; m-=2) {
7798 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7799 ourPerpetual = 0; // the current mover did not always check
7800 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7801 hisPerpetual = 0; // the opponent did not always check
7803 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7804 ourPerpetual, hisPerpetual);
7805 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7806 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7807 details = "Xboard adjudication: perpetual checking";
7809 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7810 break; // (or we would have caught him before). Abort repetition-checking loop.
7812 // Now check for perpetual chases
7813 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7814 hisPerpetual = PerpetualChase(k, forwardMostMove);
7815 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7816 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7817 static char resdet[MSG_SIZ];
7818 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7820 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7822 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7823 break; // Abort repetition-checking loop.
7825 // if neither of us is checking or chasing all the time, or both are, it is draw
7827 if(engineOpponent) {
7828 SendToProgram("force\n", engineOpponent); // suppress reply
7829 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7831 GameEnds( result, details, GE_XBOARD );
7834 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7835 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7839 /* Now we test for 50-move draws. Determine ply count */
7840 count = forwardMostMove;
7841 /* look for last irreversble move */
7842 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7844 /* if we hit starting position, add initial plies */
7845 if( count == backwardMostMove )
7846 count -= initialRulePlies;
7847 count = forwardMostMove - count;
7848 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7849 // adjust reversible move counter for checks in Xiangqi
7850 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7851 if(i < backwardMostMove) i = backwardMostMove;
7852 while(i <= forwardMostMove) {
7853 lastCheck = inCheck; // check evasion does not count
7854 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7855 if(inCheck || lastCheck) count--; // check does not count
7860 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7861 /* this is used to judge if draw claims are legal */
7862 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7863 if(engineOpponent) {
7864 SendToProgram("force\n", engineOpponent); // suppress reply
7865 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7867 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7871 /* if draw offer is pending, treat it as a draw claim
7872 * when draw condition present, to allow engines a way to
7873 * claim draws before making their move to avoid a race
7874 * condition occurring after their move
7876 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7878 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7879 p = "Draw claim: 50-move rule";
7880 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7881 p = "Draw claim: 3-fold repetition";
7882 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7883 p = "Draw claim: insufficient mating material";
7884 if( p != NULL && canAdjudicate) {
7885 if(engineOpponent) {
7886 SendToProgram("force\n", engineOpponent); // suppress reply
7887 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7889 GameEnds( GameIsDrawn, p, GE_XBOARD );
7894 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7895 if(engineOpponent) {
7896 SendToProgram("force\n", engineOpponent); // suppress reply
7897 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7899 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7906 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7907 { // [HGM] book: this routine intercepts moves to simulate book replies
7908 char *bookHit = NULL;
7910 //first determine if the incoming move brings opponent into his book
7911 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7912 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7913 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7914 if(bookHit != NULL && !cps->bookSuspend) {
7915 // make sure opponent is not going to reply after receiving move to book position
7916 SendToProgram("force\n", cps);
7917 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7919 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7920 // now arrange restart after book miss
7922 // after a book hit we never send 'go', and the code after the call to this routine
7923 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7924 char buf[MSG_SIZ], *move = bookHit;
7926 int fromX, fromY, toX, toY;
7930 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7931 &fromX, &fromY, &toX, &toY, &promoChar)) {
7932 (void) CoordsToAlgebraic(boards[forwardMostMove],
7933 PosFlags(forwardMostMove),
7934 fromY, fromX, toY, toX, promoChar, move);
7936 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7940 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7941 SendToProgram(buf, cps);
7942 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7943 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7944 SendToProgram("go\n", cps);
7945 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7946 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7947 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7948 SendToProgram("go\n", cps);
7949 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7951 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7955 LoadError (char *errmess, ChessProgramState *cps)
7956 { // unloads engine and switches back to -ncp mode if it was first
7957 if(cps->initDone) return FALSE;
7958 cps->isr = NULL; // this should suppress further error popups from breaking pipes
7959 DestroyChildProcess(cps->pr, 9 ); // just to be sure
7962 appData.noChessProgram = TRUE;
7963 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
7964 gameMode = BeginningOfGame; ModeHighlight();
7967 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
7968 DisplayMessage("", ""); // erase waiting message
7969 if(errmess) DisplayError(errmess, 0); // announce reason, if given
7974 ChessProgramState *savedState;
7976 DeferredBookMove (void)
7978 if(savedState->lastPing != savedState->lastPong)
7979 ScheduleDelayedEvent(DeferredBookMove, 10);
7981 HandleMachineMove(savedMessage, savedState);
7984 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7987 HandleMachineMove (char *message, ChessProgramState *cps)
7989 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7990 char realname[MSG_SIZ];
7991 int fromX, fromY, toX, toY;
7995 int machineWhite, oldError;
7998 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7999 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8000 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8001 DisplayError(_("Invalid pairing from pairing engine"), 0);
8004 pairingReceived = 1;
8006 return; // Skim the pairing messages here.
8009 oldError = cps->userError; cps->userError = 0;
8011 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8013 * Kludge to ignore BEL characters
8015 while (*message == '\007') message++;
8018 * [HGM] engine debug message: ignore lines starting with '#' character
8020 if(cps->debug && *message == '#') return;
8023 * Look for book output
8025 if (cps == &first && bookRequested) {
8026 if (message[0] == '\t' || message[0] == ' ') {
8027 /* Part of the book output is here; append it */
8028 strcat(bookOutput, message);
8029 strcat(bookOutput, " \n");
8031 } else if (bookOutput[0] != NULLCHAR) {
8032 /* All of book output has arrived; display it */
8033 char *p = bookOutput;
8034 while (*p != NULLCHAR) {
8035 if (*p == '\t') *p = ' ';
8038 DisplayInformation(bookOutput);
8039 bookRequested = FALSE;
8040 /* Fall through to parse the current output */
8045 * Look for machine move.
8047 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8048 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8050 /* This method is only useful on engines that support ping */
8051 if (cps->lastPing != cps->lastPong) {
8052 if (gameMode == BeginningOfGame) {
8053 /* Extra move from before last new; ignore */
8054 if (appData.debugMode) {
8055 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8058 if (appData.debugMode) {
8059 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8060 cps->which, gameMode);
8063 SendToProgram("undo\n", cps);
8069 case BeginningOfGame:
8070 /* Extra move from before last reset; ignore */
8071 if (appData.debugMode) {
8072 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8079 /* Extra move after we tried to stop. The mode test is
8080 not a reliable way of detecting this problem, but it's
8081 the best we can do on engines that don't support ping.
8083 if (appData.debugMode) {
8084 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8085 cps->which, gameMode);
8087 SendToProgram("undo\n", cps);
8090 case MachinePlaysWhite:
8091 case IcsPlayingWhite:
8092 machineWhite = TRUE;
8095 case MachinePlaysBlack:
8096 case IcsPlayingBlack:
8097 machineWhite = FALSE;
8100 case TwoMachinesPlay:
8101 machineWhite = (cps->twoMachinesColor[0] == 'w');
8104 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8105 if (appData.debugMode) {
8107 "Ignoring move out of turn by %s, gameMode %d"
8108 ", forwardMost %d\n",
8109 cps->which, gameMode, forwardMostMove);
8114 if(cps->alphaRank) AlphaRank(machineMove, 4);
8115 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8116 &fromX, &fromY, &toX, &toY, &promoChar)) {
8117 /* Machine move could not be parsed; ignore it. */
8118 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8119 machineMove, _(cps->which));
8120 DisplayError(buf1, 0);
8121 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8122 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8123 if (gameMode == TwoMachinesPlay) {
8124 GameEnds(machineWhite ? BlackWins : WhiteWins,
8130 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8131 /* So we have to redo legality test with true e.p. status here, */
8132 /* to make sure an illegal e.p. capture does not slip through, */
8133 /* to cause a forfeit on a justified illegal-move complaint */
8134 /* of the opponent. */
8135 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8137 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8138 fromY, fromX, toY, toX, promoChar);
8139 if(moveType == IllegalMove) {
8140 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8141 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8142 GameEnds(machineWhite ? BlackWins : WhiteWins,
8145 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8146 /* [HGM] Kludge to handle engines that send FRC-style castling
8147 when they shouldn't (like TSCP-Gothic) */
8149 case WhiteASideCastleFR:
8150 case BlackASideCastleFR:
8152 currentMoveString[2]++;
8154 case WhiteHSideCastleFR:
8155 case BlackHSideCastleFR:
8157 currentMoveString[2]--;
8159 default: ; // nothing to do, but suppresses warning of pedantic compilers
8162 hintRequested = FALSE;
8163 lastHint[0] = NULLCHAR;
8164 bookRequested = FALSE;
8165 /* Program may be pondering now */
8166 cps->maybeThinking = TRUE;
8167 if (cps->sendTime == 2) cps->sendTime = 1;
8168 if (cps->offeredDraw) cps->offeredDraw--;
8170 /* [AS] Save move info*/
8171 pvInfoList[ forwardMostMove ].score = programStats.score;
8172 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8173 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8175 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8177 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8178 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8181 while( count < adjudicateLossPlies ) {
8182 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8185 score = -score; /* Flip score for winning side */
8188 if( score > adjudicateLossThreshold ) {
8195 if( count >= adjudicateLossPlies ) {
8196 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8198 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8199 "Xboard adjudication",
8206 if(Adjudicate(cps)) {
8207 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8208 return; // [HGM] adjudicate: for all automatic game ends
8212 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8214 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8215 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8217 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8219 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8221 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8222 char buf[3*MSG_SIZ];
8224 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8225 programStats.score / 100.,
8227 programStats.time / 100.,
8228 (unsigned int)programStats.nodes,
8229 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8230 programStats.movelist);
8232 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8237 /* [AS] Clear stats for next move */
8238 ClearProgramStats();
8239 thinkOutput[0] = NULLCHAR;
8240 hiddenThinkOutputState = 0;
8243 if (gameMode == TwoMachinesPlay) {
8244 /* [HGM] relaying draw offers moved to after reception of move */
8245 /* and interpreting offer as claim if it brings draw condition */
8246 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8247 SendToProgram("draw\n", cps->other);
8249 if (cps->other->sendTime) {
8250 SendTimeRemaining(cps->other,
8251 cps->other->twoMachinesColor[0] == 'w');
8253 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8254 if (firstMove && !bookHit) {
8256 if (cps->other->useColors) {
8257 SendToProgram(cps->other->twoMachinesColor, cps->other);
8259 SendToProgram("go\n", cps->other);
8261 cps->other->maybeThinking = TRUE;
8264 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8266 if (!pausing && appData.ringBellAfterMoves) {
8271 * Reenable menu items that were disabled while
8272 * machine was thinking
8274 if (gameMode != TwoMachinesPlay)
8275 SetUserThinkingEnables();
8277 // [HGM] book: after book hit opponent has received move and is now in force mode
8278 // force the book reply into it, and then fake that it outputted this move by jumping
8279 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8281 static char bookMove[MSG_SIZ]; // a bit generous?
8283 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8284 strcat(bookMove, bookHit);
8287 programStats.nodes = programStats.depth = programStats.time =
8288 programStats.score = programStats.got_only_move = 0;
8289 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8291 if(cps->lastPing != cps->lastPong) {
8292 savedMessage = message; // args for deferred call
8294 ScheduleDelayedEvent(DeferredBookMove, 10);
8303 /* Set special modes for chess engines. Later something general
8304 * could be added here; for now there is just one kludge feature,
8305 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8306 * when "xboard" is given as an interactive command.
8308 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8309 cps->useSigint = FALSE;
8310 cps->useSigterm = FALSE;
8312 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8313 ParseFeatures(message+8, cps);
8314 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8317 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8318 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8319 int dummy, s=6; char buf[MSG_SIZ];
8320 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8321 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8322 if(startedFromSetupPosition) return;
8323 ParseFEN(boards[0], &dummy, message+s);
8324 DrawPosition(TRUE, boards[0]);
8325 startedFromSetupPosition = TRUE;
8328 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8329 * want this, I was asked to put it in, and obliged.
8331 if (!strncmp(message, "setboard ", 9)) {
8332 Board initial_position;
8334 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8336 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8337 DisplayError(_("Bad FEN received from engine"), 0);
8341 CopyBoard(boards[0], initial_position);
8342 initialRulePlies = FENrulePlies;
8343 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8344 else gameMode = MachinePlaysBlack;
8345 DrawPosition(FALSE, boards[currentMove]);
8351 * Look for communication commands
8353 if (!strncmp(message, "telluser ", 9)) {
8354 if(message[9] == '\\' && message[10] == '\\')
8355 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8357 DisplayNote(message + 9);
8360 if (!strncmp(message, "tellusererror ", 14)) {
8362 if(message[14] == '\\' && message[15] == '\\')
8363 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8365 DisplayError(message + 14, 0);
8368 if (!strncmp(message, "tellopponent ", 13)) {
8369 if (appData.icsActive) {
8371 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8375 DisplayNote(message + 13);
8379 if (!strncmp(message, "tellothers ", 11)) {
8380 if (appData.icsActive) {
8382 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8388 if (!strncmp(message, "tellall ", 8)) {
8389 if (appData.icsActive) {
8391 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8395 DisplayNote(message + 8);
8399 if (strncmp(message, "warning", 7) == 0) {
8400 /* Undocumented feature, use tellusererror in new code */
8401 DisplayError(message, 0);
8404 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8405 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8406 strcat(realname, " query");
8407 AskQuestion(realname, buf2, buf1, cps->pr);
8410 /* Commands from the engine directly to ICS. We don't allow these to be
8411 * sent until we are logged on. Crafty kibitzes have been known to
8412 * interfere with the login process.
8415 if (!strncmp(message, "tellics ", 8)) {
8416 SendToICS(message + 8);
8420 if (!strncmp(message, "tellicsnoalias ", 15)) {
8421 SendToICS(ics_prefix);
8422 SendToICS(message + 15);
8426 /* The following are for backward compatibility only */
8427 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8428 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8429 SendToICS(ics_prefix);
8435 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8439 * If the move is illegal, cancel it and redraw the board.
8440 * Also deal with other error cases. Matching is rather loose
8441 * here to accommodate engines written before the spec.
8443 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8444 strncmp(message, "Error", 5) == 0) {
8445 if (StrStr(message, "name") ||
8446 StrStr(message, "rating") || StrStr(message, "?") ||
8447 StrStr(message, "result") || StrStr(message, "board") ||
8448 StrStr(message, "bk") || StrStr(message, "computer") ||
8449 StrStr(message, "variant") || StrStr(message, "hint") ||
8450 StrStr(message, "random") || StrStr(message, "depth") ||
8451 StrStr(message, "accepted")) {
8454 if (StrStr(message, "protover")) {
8455 /* Program is responding to input, so it's apparently done
8456 initializing, and this error message indicates it is
8457 protocol version 1. So we don't need to wait any longer
8458 for it to initialize and send feature commands. */
8459 FeatureDone(cps, 1);
8460 cps->protocolVersion = 1;
8463 cps->maybeThinking = FALSE;
8465 if (StrStr(message, "draw")) {
8466 /* Program doesn't have "draw" command */
8467 cps->sendDrawOffers = 0;
8470 if (cps->sendTime != 1 &&
8471 (StrStr(message, "time") || StrStr(message, "otim"))) {
8472 /* Program apparently doesn't have "time" or "otim" command */
8476 if (StrStr(message, "analyze")) {
8477 cps->analysisSupport = FALSE;
8478 cps->analyzing = FALSE;
8479 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8480 EditGameEvent(); // [HGM] try to preserve loaded game
8481 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8482 DisplayError(buf2, 0);
8485 if (StrStr(message, "(no matching move)st")) {
8486 /* Special kludge for GNU Chess 4 only */
8487 cps->stKludge = TRUE;
8488 SendTimeControl(cps, movesPerSession, timeControl,
8489 timeIncrement, appData.searchDepth,
8493 if (StrStr(message, "(no matching move)sd")) {
8494 /* Special kludge for GNU Chess 4 only */
8495 cps->sdKludge = TRUE;
8496 SendTimeControl(cps, movesPerSession, timeControl,
8497 timeIncrement, appData.searchDepth,
8501 if (!StrStr(message, "llegal")) {
8504 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8505 gameMode == IcsIdle) return;
8506 if (forwardMostMove <= backwardMostMove) return;
8507 if (pausing) PauseEvent();
8508 if(appData.forceIllegal) {
8509 // [HGM] illegal: machine refused move; force position after move into it
8510 SendToProgram("force\n", cps);
8511 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8512 // we have a real problem now, as SendBoard will use the a2a3 kludge
8513 // when black is to move, while there might be nothing on a2 or black
8514 // might already have the move. So send the board as if white has the move.
8515 // But first we must change the stm of the engine, as it refused the last move
8516 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8517 if(WhiteOnMove(forwardMostMove)) {
8518 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8519 SendBoard(cps, forwardMostMove); // kludgeless board
8521 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8522 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8523 SendBoard(cps, forwardMostMove+1); // kludgeless board
8525 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8526 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8527 gameMode == TwoMachinesPlay)
8528 SendToProgram("go\n", cps);
8531 if (gameMode == PlayFromGameFile) {
8532 /* Stop reading this game file */
8533 gameMode = EditGame;
8536 /* [HGM] illegal-move claim should forfeit game when Xboard */
8537 /* only passes fully legal moves */
8538 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8539 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8540 "False illegal-move claim", GE_XBOARD );
8541 return; // do not take back move we tested as valid
8543 currentMove = forwardMostMove-1;
8544 DisplayMove(currentMove-1); /* before DisplayMoveError */
8545 SwitchClocks(forwardMostMove-1); // [HGM] race
8546 DisplayBothClocks();
8547 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8548 parseList[currentMove], _(cps->which));
8549 DisplayMoveError(buf1);
8550 DrawPosition(FALSE, boards[currentMove]);
8552 SetUserThinkingEnables();
8555 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8556 /* Program has a broken "time" command that
8557 outputs a string not ending in newline.
8563 * If chess program startup fails, exit with an error message.
8564 * Attempts to recover here are futile. [HGM] Well, we try anyway
8566 if ((StrStr(message, "unknown host") != NULL)
8567 || (StrStr(message, "No remote directory") != NULL)
8568 || (StrStr(message, "not found") != NULL)
8569 || (StrStr(message, "No such file") != NULL)
8570 || (StrStr(message, "can't alloc") != NULL)
8571 || (StrStr(message, "Permission denied") != NULL)) {
8573 cps->maybeThinking = FALSE;
8574 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8575 _(cps->which), cps->program, cps->host, message);
8576 RemoveInputSource(cps->isr);
8577 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8578 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8579 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8585 * Look for hint output
8587 if (sscanf(message, "Hint: %s", buf1) == 1) {
8588 if (cps == &first && hintRequested) {
8589 hintRequested = FALSE;
8590 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8591 &fromX, &fromY, &toX, &toY, &promoChar)) {
8592 (void) CoordsToAlgebraic(boards[forwardMostMove],
8593 PosFlags(forwardMostMove),
8594 fromY, fromX, toY, toX, promoChar, buf1);
8595 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8596 DisplayInformation(buf2);
8598 /* Hint move could not be parsed!? */
8599 snprintf(buf2, sizeof(buf2),
8600 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8601 buf1, _(cps->which));
8602 DisplayError(buf2, 0);
8605 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8611 * Ignore other messages if game is not in progress
8613 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8614 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8617 * look for win, lose, draw, or draw offer
8619 if (strncmp(message, "1-0", 3) == 0) {
8620 char *p, *q, *r = "";
8621 p = strchr(message, '{');
8629 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8631 } else if (strncmp(message, "0-1", 3) == 0) {
8632 char *p, *q, *r = "";
8633 p = strchr(message, '{');
8641 /* Kludge for Arasan 4.1 bug */
8642 if (strcmp(r, "Black resigns") == 0) {
8643 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8646 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8648 } else if (strncmp(message, "1/2", 3) == 0) {
8649 char *p, *q, *r = "";
8650 p = strchr(message, '{');
8659 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8662 } else if (strncmp(message, "White resign", 12) == 0) {
8663 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8665 } else if (strncmp(message, "Black resign", 12) == 0) {
8666 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8668 } else if (strncmp(message, "White matches", 13) == 0 ||
8669 strncmp(message, "Black matches", 13) == 0 ) {
8670 /* [HGM] ignore GNUShogi noises */
8672 } else if (strncmp(message, "White", 5) == 0 &&
8673 message[5] != '(' &&
8674 StrStr(message, "Black") == NULL) {
8675 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8677 } else if (strncmp(message, "Black", 5) == 0 &&
8678 message[5] != '(') {
8679 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8681 } else if (strcmp(message, "resign") == 0 ||
8682 strcmp(message, "computer resigns") == 0) {
8684 case MachinePlaysBlack:
8685 case IcsPlayingBlack:
8686 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8688 case MachinePlaysWhite:
8689 case IcsPlayingWhite:
8690 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8692 case TwoMachinesPlay:
8693 if (cps->twoMachinesColor[0] == 'w')
8694 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8696 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8703 } else if (strncmp(message, "opponent mates", 14) == 0) {
8705 case MachinePlaysBlack:
8706 case IcsPlayingBlack:
8707 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8709 case MachinePlaysWhite:
8710 case IcsPlayingWhite:
8711 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8713 case TwoMachinesPlay:
8714 if (cps->twoMachinesColor[0] == 'w')
8715 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8717 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8724 } else if (strncmp(message, "computer mates", 14) == 0) {
8726 case MachinePlaysBlack:
8727 case IcsPlayingBlack:
8728 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8730 case MachinePlaysWhite:
8731 case IcsPlayingWhite:
8732 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8734 case TwoMachinesPlay:
8735 if (cps->twoMachinesColor[0] == 'w')
8736 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8738 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8745 } else if (strncmp(message, "checkmate", 9) == 0) {
8746 if (WhiteOnMove(forwardMostMove)) {
8747 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8749 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8752 } else if (strstr(message, "Draw") != NULL ||
8753 strstr(message, "game is a draw") != NULL) {
8754 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8756 } else if (strstr(message, "offer") != NULL &&
8757 strstr(message, "draw") != NULL) {
8759 if (appData.zippyPlay && first.initDone) {
8760 /* Relay offer to ICS */
8761 SendToICS(ics_prefix);
8762 SendToICS("draw\n");
8765 cps->offeredDraw = 2; /* valid until this engine moves twice */
8766 if (gameMode == TwoMachinesPlay) {
8767 if (cps->other->offeredDraw) {
8768 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8769 /* [HGM] in two-machine mode we delay relaying draw offer */
8770 /* until after we also have move, to see if it is really claim */
8772 } else if (gameMode == MachinePlaysWhite ||
8773 gameMode == MachinePlaysBlack) {
8774 if (userOfferedDraw) {
8775 DisplayInformation(_("Machine accepts your draw offer"));
8776 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8778 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8785 * Look for thinking output
8787 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8788 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8790 int plylev, mvleft, mvtot, curscore, time;
8791 char mvname[MOVE_LEN];
8795 int prefixHint = FALSE;
8796 mvname[0] = NULLCHAR;
8799 case MachinePlaysBlack:
8800 case IcsPlayingBlack:
8801 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8803 case MachinePlaysWhite:
8804 case IcsPlayingWhite:
8805 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8810 case IcsObserving: /* [DM] icsEngineAnalyze */
8811 if (!appData.icsEngineAnalyze) ignore = TRUE;
8813 case TwoMachinesPlay:
8814 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8824 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8826 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8827 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8829 if (plyext != ' ' && plyext != '\t') {
8833 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8834 if( cps->scoreIsAbsolute &&
8835 ( gameMode == MachinePlaysBlack ||
8836 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8837 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8838 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8839 !WhiteOnMove(currentMove)
8842 curscore = -curscore;
8845 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8847 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8850 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8851 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8852 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8853 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8854 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8855 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8857 } else DisplayError(_("failed writing PV"), 0);
8860 tempStats.depth = plylev;
8861 tempStats.nodes = nodes;
8862 tempStats.time = time;
8863 tempStats.score = curscore;
8864 tempStats.got_only_move = 0;
8866 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8869 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8870 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8871 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8872 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8873 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8874 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8875 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8876 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8879 /* Buffer overflow protection */
8880 if (pv[0] != NULLCHAR) {
8881 if (strlen(pv) >= sizeof(tempStats.movelist)
8882 && appData.debugMode) {
8884 "PV is too long; using the first %u bytes.\n",
8885 (unsigned) sizeof(tempStats.movelist) - 1);
8888 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8890 sprintf(tempStats.movelist, " no PV\n");
8893 if (tempStats.seen_stat) {
8894 tempStats.ok_to_send = 1;
8897 if (strchr(tempStats.movelist, '(') != NULL) {
8898 tempStats.line_is_book = 1;
8899 tempStats.nr_moves = 0;
8900 tempStats.moves_left = 0;
8902 tempStats.line_is_book = 0;
8905 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8906 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8908 SendProgramStatsToFrontend( cps, &tempStats );
8911 [AS] Protect the thinkOutput buffer from overflow... this
8912 is only useful if buf1 hasn't overflowed first!
8914 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8916 (gameMode == TwoMachinesPlay ?
8917 ToUpper(cps->twoMachinesColor[0]) : ' '),
8918 ((double) curscore) / 100.0,
8919 prefixHint ? lastHint : "",
8920 prefixHint ? " " : "" );
8922 if( buf1[0] != NULLCHAR ) {
8923 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8925 if( strlen(pv) > max_len ) {
8926 if( appData.debugMode) {
8927 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8929 pv[max_len+1] = '\0';
8932 strcat( thinkOutput, pv);
8935 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8936 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8937 DisplayMove(currentMove - 1);
8941 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8942 /* crafty (9.25+) says "(only move) <move>"
8943 * if there is only 1 legal move
8945 sscanf(p, "(only move) %s", buf1);
8946 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8947 sprintf(programStats.movelist, "%s (only move)", buf1);
8948 programStats.depth = 1;
8949 programStats.nr_moves = 1;
8950 programStats.moves_left = 1;
8951 programStats.nodes = 1;
8952 programStats.time = 1;
8953 programStats.got_only_move = 1;
8955 /* Not really, but we also use this member to
8956 mean "line isn't going to change" (Crafty
8957 isn't searching, so stats won't change) */
8958 programStats.line_is_book = 1;
8960 SendProgramStatsToFrontend( cps, &programStats );
8962 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8963 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8964 DisplayMove(currentMove - 1);
8967 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8968 &time, &nodes, &plylev, &mvleft,
8969 &mvtot, mvname) >= 5) {
8970 /* The stat01: line is from Crafty (9.29+) in response
8971 to the "." command */
8972 programStats.seen_stat = 1;
8973 cps->maybeThinking = TRUE;
8975 if (programStats.got_only_move || !appData.periodicUpdates)
8978 programStats.depth = plylev;
8979 programStats.time = time;
8980 programStats.nodes = nodes;
8981 programStats.moves_left = mvleft;
8982 programStats.nr_moves = mvtot;
8983 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8984 programStats.ok_to_send = 1;
8985 programStats.movelist[0] = '\0';
8987 SendProgramStatsToFrontend( cps, &programStats );
8991 } else if (strncmp(message,"++",2) == 0) {
8992 /* Crafty 9.29+ outputs this */
8993 programStats.got_fail = 2;
8996 } else if (strncmp(message,"--",2) == 0) {
8997 /* Crafty 9.29+ outputs this */
8998 programStats.got_fail = 1;
9001 } else if (thinkOutput[0] != NULLCHAR &&
9002 strncmp(message, " ", 4) == 0) {
9003 unsigned message_len;
9006 while (*p && *p == ' ') p++;
9008 message_len = strlen( p );
9010 /* [AS] Avoid buffer overflow */
9011 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9012 strcat(thinkOutput, " ");
9013 strcat(thinkOutput, p);
9016 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9017 strcat(programStats.movelist, " ");
9018 strcat(programStats.movelist, p);
9021 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9022 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9023 DisplayMove(currentMove - 1);
9031 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9032 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9034 ChessProgramStats cpstats;
9036 if (plyext != ' ' && plyext != '\t') {
9040 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9041 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9042 curscore = -curscore;
9045 cpstats.depth = plylev;
9046 cpstats.nodes = nodes;
9047 cpstats.time = time;
9048 cpstats.score = curscore;
9049 cpstats.got_only_move = 0;
9050 cpstats.movelist[0] = '\0';
9052 if (buf1[0] != NULLCHAR) {
9053 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9056 cpstats.ok_to_send = 0;
9057 cpstats.line_is_book = 0;
9058 cpstats.nr_moves = 0;
9059 cpstats.moves_left = 0;
9061 SendProgramStatsToFrontend( cps, &cpstats );
9068 /* Parse a game score from the character string "game", and
9069 record it as the history of the current game. The game
9070 score is NOT assumed to start from the standard position.
9071 The display is not updated in any way.
9074 ParseGameHistory (char *game)
9077 int fromX, fromY, toX, toY, boardIndex;
9082 if (appData.debugMode)
9083 fprintf(debugFP, "Parsing game history: %s\n", game);
9085 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9086 gameInfo.site = StrSave(appData.icsHost);
9087 gameInfo.date = PGNDate();
9088 gameInfo.round = StrSave("-");
9090 /* Parse out names of players */
9091 while (*game == ' ') game++;
9093 while (*game != ' ') *p++ = *game++;
9095 gameInfo.white = StrSave(buf);
9096 while (*game == ' ') game++;
9098 while (*game != ' ' && *game != '\n') *p++ = *game++;
9100 gameInfo.black = StrSave(buf);
9103 boardIndex = blackPlaysFirst ? 1 : 0;
9106 yyboardindex = boardIndex;
9107 moveType = (ChessMove) Myylex();
9109 case IllegalMove: /* maybe suicide chess, etc. */
9110 if (appData.debugMode) {
9111 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9112 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9113 setbuf(debugFP, NULL);
9115 case WhitePromotion:
9116 case BlackPromotion:
9117 case WhiteNonPromotion:
9118 case BlackNonPromotion:
9120 case WhiteCapturesEnPassant:
9121 case BlackCapturesEnPassant:
9122 case WhiteKingSideCastle:
9123 case WhiteQueenSideCastle:
9124 case BlackKingSideCastle:
9125 case BlackQueenSideCastle:
9126 case WhiteKingSideCastleWild:
9127 case WhiteQueenSideCastleWild:
9128 case BlackKingSideCastleWild:
9129 case BlackQueenSideCastleWild:
9131 case WhiteHSideCastleFR:
9132 case WhiteASideCastleFR:
9133 case BlackHSideCastleFR:
9134 case BlackASideCastleFR:
9136 fromX = currentMoveString[0] - AAA;
9137 fromY = currentMoveString[1] - ONE;
9138 toX = currentMoveString[2] - AAA;
9139 toY = currentMoveString[3] - ONE;
9140 promoChar = currentMoveString[4];
9144 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9145 fromX = moveType == WhiteDrop ?
9146 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9147 (int) CharToPiece(ToLower(currentMoveString[0]));
9149 toX = currentMoveString[2] - AAA;
9150 toY = currentMoveString[3] - ONE;
9151 promoChar = NULLCHAR;
9155 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9156 if (appData.debugMode) {
9157 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9158 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9159 setbuf(debugFP, NULL);
9161 DisplayError(buf, 0);
9163 case ImpossibleMove:
9165 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9166 if (appData.debugMode) {
9167 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9168 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9169 setbuf(debugFP, NULL);
9171 DisplayError(buf, 0);
9174 if (boardIndex < backwardMostMove) {
9175 /* Oops, gap. How did that happen? */
9176 DisplayError(_("Gap in move list"), 0);
9179 backwardMostMove = blackPlaysFirst ? 1 : 0;
9180 if (boardIndex > forwardMostMove) {
9181 forwardMostMove = boardIndex;
9185 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9186 strcat(parseList[boardIndex-1], " ");
9187 strcat(parseList[boardIndex-1], yy_text);
9199 case GameUnfinished:
9200 if (gameMode == IcsExamining) {
9201 if (boardIndex < backwardMostMove) {
9202 /* Oops, gap. How did that happen? */
9205 backwardMostMove = blackPlaysFirst ? 1 : 0;
9208 gameInfo.result = moveType;
9209 p = strchr(yy_text, '{');
9210 if (p == NULL) p = strchr(yy_text, '(');
9213 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9215 q = strchr(p, *p == '{' ? '}' : ')');
9216 if (q != NULL) *q = NULLCHAR;
9219 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9220 gameInfo.resultDetails = StrSave(p);
9223 if (boardIndex >= forwardMostMove &&
9224 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9225 backwardMostMove = blackPlaysFirst ? 1 : 0;
9228 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9229 fromY, fromX, toY, toX, promoChar,
9230 parseList[boardIndex]);
9231 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9232 /* currentMoveString is set as a side-effect of yylex */
9233 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9234 strcat(moveList[boardIndex], "\n");
9236 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9237 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9243 if(gameInfo.variant != VariantShogi)
9244 strcat(parseList[boardIndex - 1], "+");
9248 strcat(parseList[boardIndex - 1], "#");
9255 /* Apply a move to the given board */
9257 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9259 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9260 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9262 /* [HGM] compute & store e.p. status and castling rights for new position */
9263 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9265 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9266 oldEP = (signed char)board[EP_STATUS];
9267 board[EP_STATUS] = EP_NONE;
9269 if (fromY == DROP_RANK) {
9271 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9272 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9275 piece = board[toY][toX] = (ChessSquare) fromX;
9279 if( board[toY][toX] != EmptySquare )
9280 board[EP_STATUS] = EP_CAPTURE;
9282 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9283 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9284 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9286 if( board[fromY][fromX] == WhitePawn ) {
9287 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9288 board[EP_STATUS] = EP_PAWN_MOVE;
9290 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9291 gameInfo.variant != VariantBerolina || toX < fromX)
9292 board[EP_STATUS] = toX | berolina;
9293 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9294 gameInfo.variant != VariantBerolina || toX > fromX)
9295 board[EP_STATUS] = toX;
9298 if( board[fromY][fromX] == BlackPawn ) {
9299 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9300 board[EP_STATUS] = EP_PAWN_MOVE;
9301 if( toY-fromY== -2) {
9302 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9303 gameInfo.variant != VariantBerolina || toX < fromX)
9304 board[EP_STATUS] = toX | berolina;
9305 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9306 gameInfo.variant != VariantBerolina || toX > fromX)
9307 board[EP_STATUS] = toX;
9311 for(i=0; i<nrCastlingRights; i++) {
9312 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9313 board[CASTLING][i] == toX && castlingRank[i] == toY
9314 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9317 if (fromX == toX && fromY == toY) return;
9319 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9320 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9321 if(gameInfo.variant == VariantKnightmate)
9322 king += (int) WhiteUnicorn - (int) WhiteKing;
9324 /* Code added by Tord: */
9325 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9326 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9327 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9328 board[fromY][fromX] = EmptySquare;
9329 board[toY][toX] = EmptySquare;
9330 if((toX > fromX) != (piece == WhiteRook)) {
9331 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9333 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9335 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9336 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9337 board[fromY][fromX] = EmptySquare;
9338 board[toY][toX] = EmptySquare;
9339 if((toX > fromX) != (piece == BlackRook)) {
9340 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9342 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9344 /* End of code added by Tord */
9346 } else if (board[fromY][fromX] == king
9347 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9348 && toY == fromY && toX > fromX+1) {
9349 board[fromY][fromX] = EmptySquare;
9350 board[toY][toX] = king;
9351 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9352 board[fromY][BOARD_RGHT-1] = EmptySquare;
9353 } else if (board[fromY][fromX] == king
9354 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9355 && toY == fromY && toX < fromX-1) {
9356 board[fromY][fromX] = EmptySquare;
9357 board[toY][toX] = king;
9358 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9359 board[fromY][BOARD_LEFT] = EmptySquare;
9360 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9361 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9362 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9364 /* white pawn promotion */
9365 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9366 if(gameInfo.variant==VariantBughouse ||
9367 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9368 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9369 board[fromY][fromX] = EmptySquare;
9370 } else if ((fromY >= BOARD_HEIGHT>>1)
9372 && gameInfo.variant != VariantXiangqi
9373 && gameInfo.variant != VariantBerolina
9374 && (board[fromY][fromX] == WhitePawn)
9375 && (board[toY][toX] == EmptySquare)) {
9376 board[fromY][fromX] = EmptySquare;
9377 board[toY][toX] = WhitePawn;
9378 captured = board[toY - 1][toX];
9379 board[toY - 1][toX] = EmptySquare;
9380 } else if ((fromY == BOARD_HEIGHT-4)
9382 && gameInfo.variant == VariantBerolina
9383 && (board[fromY][fromX] == WhitePawn)
9384 && (board[toY][toX] == EmptySquare)) {
9385 board[fromY][fromX] = EmptySquare;
9386 board[toY][toX] = WhitePawn;
9387 if(oldEP & EP_BEROLIN_A) {
9388 captured = board[fromY][fromX-1];
9389 board[fromY][fromX-1] = EmptySquare;
9390 }else{ captured = board[fromY][fromX+1];
9391 board[fromY][fromX+1] = EmptySquare;
9393 } else if (board[fromY][fromX] == king
9394 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9395 && toY == fromY && toX > fromX+1) {
9396 board[fromY][fromX] = EmptySquare;
9397 board[toY][toX] = king;
9398 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9399 board[fromY][BOARD_RGHT-1] = EmptySquare;
9400 } else if (board[fromY][fromX] == king
9401 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9402 && toY == fromY && toX < fromX-1) {
9403 board[fromY][fromX] = EmptySquare;
9404 board[toY][toX] = king;
9405 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9406 board[fromY][BOARD_LEFT] = EmptySquare;
9407 } else if (fromY == 7 && fromX == 3
9408 && board[fromY][fromX] == BlackKing
9409 && toY == 7 && toX == 5) {
9410 board[fromY][fromX] = EmptySquare;
9411 board[toY][toX] = BlackKing;
9412 board[fromY][7] = EmptySquare;
9413 board[toY][4] = BlackRook;
9414 } else if (fromY == 7 && fromX == 3
9415 && board[fromY][fromX] == BlackKing
9416 && toY == 7 && toX == 1) {
9417 board[fromY][fromX] = EmptySquare;
9418 board[toY][toX] = BlackKing;
9419 board[fromY][0] = EmptySquare;
9420 board[toY][2] = BlackRook;
9421 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9422 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9423 && toY < promoRank && promoChar
9425 /* black pawn promotion */
9426 board[toY][toX] = CharToPiece(ToLower(promoChar));
9427 if(gameInfo.variant==VariantBughouse ||
9428 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9429 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9430 board[fromY][fromX] = EmptySquare;
9431 } else if ((fromY < BOARD_HEIGHT>>1)
9433 && gameInfo.variant != VariantXiangqi
9434 && gameInfo.variant != VariantBerolina
9435 && (board[fromY][fromX] == BlackPawn)
9436 && (board[toY][toX] == EmptySquare)) {
9437 board[fromY][fromX] = EmptySquare;
9438 board[toY][toX] = BlackPawn;
9439 captured = board[toY + 1][toX];
9440 board[toY + 1][toX] = EmptySquare;
9441 } else if ((fromY == 3)
9443 && gameInfo.variant == VariantBerolina
9444 && (board[fromY][fromX] == BlackPawn)
9445 && (board[toY][toX] == EmptySquare)) {
9446 board[fromY][fromX] = EmptySquare;
9447 board[toY][toX] = BlackPawn;
9448 if(oldEP & EP_BEROLIN_A) {
9449 captured = board[fromY][fromX-1];
9450 board[fromY][fromX-1] = EmptySquare;
9451 }else{ captured = board[fromY][fromX+1];
9452 board[fromY][fromX+1] = EmptySquare;
9455 board[toY][toX] = board[fromY][fromX];
9456 board[fromY][fromX] = EmptySquare;
9460 if (gameInfo.holdingsWidth != 0) {
9462 /* !!A lot more code needs to be written to support holdings */
9463 /* [HGM] OK, so I have written it. Holdings are stored in the */
9464 /* penultimate board files, so they are automaticlly stored */
9465 /* in the game history. */
9466 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9467 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9468 /* Delete from holdings, by decreasing count */
9469 /* and erasing image if necessary */
9470 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9471 if(p < (int) BlackPawn) { /* white drop */
9472 p -= (int)WhitePawn;
9473 p = PieceToNumber((ChessSquare)p);
9474 if(p >= gameInfo.holdingsSize) p = 0;
9475 if(--board[p][BOARD_WIDTH-2] <= 0)
9476 board[p][BOARD_WIDTH-1] = EmptySquare;
9477 if((int)board[p][BOARD_WIDTH-2] < 0)
9478 board[p][BOARD_WIDTH-2] = 0;
9479 } else { /* black drop */
9480 p -= (int)BlackPawn;
9481 p = PieceToNumber((ChessSquare)p);
9482 if(p >= gameInfo.holdingsSize) p = 0;
9483 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9484 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9485 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9486 board[BOARD_HEIGHT-1-p][1] = 0;
9489 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9490 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9491 /* [HGM] holdings: Add to holdings, if holdings exist */
9492 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9493 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9494 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9497 if (p >= (int) BlackPawn) {
9498 p -= (int)BlackPawn;
9499 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9500 /* in Shogi restore piece to its original first */
9501 captured = (ChessSquare) (DEMOTED captured);
9504 p = PieceToNumber((ChessSquare)p);
9505 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9506 board[p][BOARD_WIDTH-2]++;
9507 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9509 p -= (int)WhitePawn;
9510 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9511 captured = (ChessSquare) (DEMOTED captured);
9514 p = PieceToNumber((ChessSquare)p);
9515 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9516 board[BOARD_HEIGHT-1-p][1]++;
9517 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9520 } else if (gameInfo.variant == VariantAtomic) {
9521 if (captured != EmptySquare) {
9523 for (y = toY-1; y <= toY+1; y++) {
9524 for (x = toX-1; x <= toX+1; x++) {
9525 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9526 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9527 board[y][x] = EmptySquare;
9531 board[toY][toX] = EmptySquare;
9534 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9535 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9537 if(promoChar == '+') {
9538 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9539 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9540 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9541 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9542 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9543 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9544 board[toY][toX] = newPiece;
9546 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9547 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9548 // [HGM] superchess: take promotion piece out of holdings
9549 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9550 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9551 if(!--board[k][BOARD_WIDTH-2])
9552 board[k][BOARD_WIDTH-1] = EmptySquare;
9554 if(!--board[BOARD_HEIGHT-1-k][1])
9555 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9561 /* Updates forwardMostMove */
9563 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9565 // forwardMostMove++; // [HGM] bare: moved downstream
9567 (void) CoordsToAlgebraic(boards[forwardMostMove],
9568 PosFlags(forwardMostMove),
9569 fromY, fromX, toY, toX, promoChar,
9570 parseList[forwardMostMove]);
9572 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9573 int timeLeft; static int lastLoadFlag=0; int king, piece;
9574 piece = boards[forwardMostMove][fromY][fromX];
9575 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9576 if(gameInfo.variant == VariantKnightmate)
9577 king += (int) WhiteUnicorn - (int) WhiteKing;
9578 if(forwardMostMove == 0) {
9579 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9580 fprintf(serverMoves, "%s;", UserName());
9581 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9582 fprintf(serverMoves, "%s;", second.tidy);
9583 fprintf(serverMoves, "%s;", first.tidy);
9584 if(gameMode == MachinePlaysWhite)
9585 fprintf(serverMoves, "%s;", UserName());
9586 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9587 fprintf(serverMoves, "%s;", second.tidy);
9588 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9589 lastLoadFlag = loadFlag;
9591 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9592 // print castling suffix
9593 if( toY == fromY && piece == king ) {
9595 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9597 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9600 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9601 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9602 boards[forwardMostMove][toY][toX] == EmptySquare
9603 && fromX != toX && fromY != toY)
9604 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9606 if(promoChar != NULLCHAR)
9607 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9609 char buf[MOVE_LEN*2], *p; int len;
9610 fprintf(serverMoves, "/%d/%d",
9611 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9612 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9613 else timeLeft = blackTimeRemaining/1000;
9614 fprintf(serverMoves, "/%d", timeLeft);
9615 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9616 if(p = strchr(buf, '=')) *p = NULLCHAR;
9617 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9618 fprintf(serverMoves, "/%s", buf);
9620 fflush(serverMoves);
9623 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9624 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9627 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9628 if (commentList[forwardMostMove+1] != NULL) {
9629 free(commentList[forwardMostMove+1]);
9630 commentList[forwardMostMove+1] = NULL;
9632 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9633 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9634 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9635 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9636 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9637 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9638 adjustedClock = FALSE;
9639 gameInfo.result = GameUnfinished;
9640 if (gameInfo.resultDetails != NULL) {
9641 free(gameInfo.resultDetails);
9642 gameInfo.resultDetails = NULL;
9644 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9645 moveList[forwardMostMove - 1]);
9646 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9652 if(gameInfo.variant != VariantShogi)
9653 strcat(parseList[forwardMostMove - 1], "+");
9657 strcat(parseList[forwardMostMove - 1], "#");
9663 /* Updates currentMove if not pausing */
9665 ShowMove (int fromX, int fromY, int toX, int toY)
9667 int instant = (gameMode == PlayFromGameFile) ?
9668 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9669 if(appData.noGUI) return;
9670 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9672 if (forwardMostMove == currentMove + 1) {
9673 AnimateMove(boards[forwardMostMove - 1],
9674 fromX, fromY, toX, toY);
9676 if (appData.highlightLastMove) {
9677 SetHighlights(fromX, fromY, toX, toY);
9680 currentMove = forwardMostMove;
9683 if (instant) return;
9685 DisplayMove(currentMove - 1);
9686 DrawPosition(FALSE, boards[currentMove]);
9687 DisplayBothClocks();
9688 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9692 SendEgtPath (ChessProgramState *cps)
9693 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9694 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9696 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9699 char c, *q = name+1, *r, *s;
9701 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9702 while(*p && *p != ',') *q++ = *p++;
9704 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9705 strcmp(name, ",nalimov:") == 0 ) {
9706 // take nalimov path from the menu-changeable option first, if it is defined
9707 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9708 SendToProgram(buf,cps); // send egtbpath command for nalimov
9710 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9711 (s = StrStr(appData.egtFormats, name)) != NULL) {
9712 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9713 s = r = StrStr(s, ":") + 1; // beginning of path info
9714 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9715 c = *r; *r = 0; // temporarily null-terminate path info
9716 *--q = 0; // strip of trailig ':' from name
9717 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9719 SendToProgram(buf,cps); // send egtbpath command for this format
9721 if(*p == ',') p++; // read away comma to position for next format name
9726 InitChessProgram (ChessProgramState *cps, int setup)
9727 /* setup needed to setup FRC opening position */
9729 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9730 if (appData.noChessProgram) return;
9731 hintRequested = FALSE;
9732 bookRequested = FALSE;
9734 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9735 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9736 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9737 if(cps->memSize) { /* [HGM] memory */
9738 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9739 SendToProgram(buf, cps);
9741 SendEgtPath(cps); /* [HGM] EGT */
9742 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9743 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9744 SendToProgram(buf, cps);
9747 SendToProgram(cps->initString, cps);
9748 if (gameInfo.variant != VariantNormal &&
9749 gameInfo.variant != VariantLoadable
9750 /* [HGM] also send variant if board size non-standard */
9751 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9753 char *v = VariantName(gameInfo.variant);
9754 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9755 /* [HGM] in protocol 1 we have to assume all variants valid */
9756 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9757 DisplayFatalError(buf, 0, 1);
9761 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9762 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9763 if( gameInfo.variant == VariantXiangqi )
9764 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9765 if( gameInfo.variant == VariantShogi )
9766 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9767 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9768 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9769 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9770 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9771 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9772 if( gameInfo.variant == VariantCourier )
9773 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9774 if( gameInfo.variant == VariantSuper )
9775 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9776 if( gameInfo.variant == VariantGreat )
9777 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9778 if( gameInfo.variant == VariantSChess )
9779 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9780 if( gameInfo.variant == VariantGrand )
9781 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9784 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9785 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9786 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9787 if(StrStr(cps->variants, b) == NULL) {
9788 // specific sized variant not known, check if general sizing allowed
9789 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9790 if(StrStr(cps->variants, "boardsize") == NULL) {
9791 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9792 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9793 DisplayFatalError(buf, 0, 1);
9796 /* [HGM] here we really should compare with the maximum supported board size */
9799 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9800 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9801 SendToProgram(buf, cps);
9803 currentlyInitializedVariant = gameInfo.variant;
9805 /* [HGM] send opening position in FRC to first engine */
9807 SendToProgram("force\n", cps);
9809 /* engine is now in force mode! Set flag to wake it up after first move. */
9810 setboardSpoiledMachineBlack = 1;
9814 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9815 SendToProgram(buf, cps);
9817 cps->maybeThinking = FALSE;
9818 cps->offeredDraw = 0;
9819 if (!appData.icsActive) {
9820 SendTimeControl(cps, movesPerSession, timeControl,
9821 timeIncrement, appData.searchDepth,
9824 if (appData.showThinking
9825 // [HGM] thinking: four options require thinking output to be sent
9826 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9828 SendToProgram("post\n", cps);
9830 SendToProgram("hard\n", cps);
9831 if (!appData.ponderNextMove) {
9832 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9833 it without being sure what state we are in first. "hard"
9834 is not a toggle, so that one is OK.
9836 SendToProgram("easy\n", cps);
9839 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9840 SendToProgram(buf, cps);
9842 cps->initDone = TRUE;
9843 ClearEngineOutputPane(cps == &second);
9848 StartChessProgram (ChessProgramState *cps)
9853 if (appData.noChessProgram) return;
9854 cps->initDone = FALSE;
9856 if (strcmp(cps->host, "localhost") == 0) {
9857 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9858 } else if (*appData.remoteShell == NULLCHAR) {
9859 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9861 if (*appData.remoteUser == NULLCHAR) {
9862 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9865 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9866 cps->host, appData.remoteUser, cps->program);
9868 err = StartChildProcess(buf, "", &cps->pr);
9872 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9873 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9874 if(cps != &first) return;
9875 appData.noChessProgram = TRUE;
9878 // DisplayFatalError(buf, err, 1);
9879 // cps->pr = NoProc;
9884 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9885 if (cps->protocolVersion > 1) {
9886 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9887 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9888 cps->comboCnt = 0; // and values of combo boxes
9889 SendToProgram(buf, cps);
9891 SendToProgram("xboard\n", cps);
9896 TwoMachinesEventIfReady P((void))
9898 static int curMess = 0;
9899 if (first.lastPing != first.lastPong) {
9900 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9901 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9904 if (second.lastPing != second.lastPong) {
9905 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9906 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9909 DisplayMessage("", ""); curMess = 0;
9915 MakeName (char *template)
9919 static char buf[MSG_SIZ];
9923 clock = time((time_t *)NULL);
9924 tm = localtime(&clock);
9926 while(*p++ = *template++) if(p[-1] == '%') {
9927 switch(*template++) {
9928 case 0: *p = 0; return buf;
9929 case 'Y': i = tm->tm_year+1900; break;
9930 case 'y': i = tm->tm_year-100; break;
9931 case 'M': i = tm->tm_mon+1; break;
9932 case 'd': i = tm->tm_mday; break;
9933 case 'h': i = tm->tm_hour; break;
9934 case 'm': i = tm->tm_min; break;
9935 case 's': i = tm->tm_sec; break;
9938 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9944 CountPlayers (char *p)
9947 while(p = strchr(p, '\n')) p++, n++; // count participants
9952 WriteTourneyFile (char *results, FILE *f)
9953 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9954 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9955 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9956 // create a file with tournament description
9957 fprintf(f, "-participants {%s}\n", appData.participants);
9958 fprintf(f, "-seedBase %d\n", appData.seedBase);
9959 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9960 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9961 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9962 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9963 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9964 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9965 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9966 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9967 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9968 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9969 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9970 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9972 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9974 fprintf(f, "-mps %d\n", appData.movesPerSession);
9975 fprintf(f, "-tc %s\n", appData.timeControl);
9976 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9978 fprintf(f, "-results \"%s\"\n", results);
9983 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9986 Substitute (char *participants, int expunge)
9988 int i, changed, changes=0, nPlayers=0;
9989 char *p, *q, *r, buf[MSG_SIZ];
9990 if(participants == NULL) return;
9991 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9992 r = p = participants; q = appData.participants;
9993 while(*p && *p == *q) {
9994 if(*p == '\n') r = p+1, nPlayers++;
9997 if(*p) { // difference
9998 while(*p && *p++ != '\n');
9999 while(*q && *q++ != '\n');
10000 changed = nPlayers;
10001 changes = 1 + (strcmp(p, q) != 0);
10003 if(changes == 1) { // a single engine mnemonic was changed
10004 q = r; while(*q) nPlayers += (*q++ == '\n');
10005 p = buf; while(*r && (*p = *r++) != '\n') p++;
10007 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10008 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10009 if(mnemonic[i]) { // The substitute is valid
10011 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10012 flock(fileno(f), LOCK_EX);
10013 ParseArgsFromFile(f);
10014 fseek(f, 0, SEEK_SET);
10015 FREE(appData.participants); appData.participants = participants;
10016 if(expunge) { // erase results of replaced engine
10017 int len = strlen(appData.results), w, b, dummy;
10018 for(i=0; i<len; i++) {
10019 Pairing(i, nPlayers, &w, &b, &dummy);
10020 if((w == changed || b == changed) && appData.results[i] == '*') {
10021 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10026 for(i=0; i<len; i++) {
10027 Pairing(i, nPlayers, &w, &b, &dummy);
10028 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10031 WriteTourneyFile(appData.results, f);
10032 fclose(f); // release lock
10035 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10037 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10038 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10039 free(participants);
10044 CreateTourney (char *name)
10047 if(matchMode && strcmp(name, appData.tourneyFile)) {
10048 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10050 if(name[0] == NULLCHAR) {
10051 if(appData.participants[0])
10052 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10055 f = fopen(name, "r");
10056 if(f) { // file exists
10057 ASSIGN(appData.tourneyFile, name);
10058 ParseArgsFromFile(f); // parse it
10060 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10061 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10062 DisplayError(_("Not enough participants"), 0);
10065 ASSIGN(appData.tourneyFile, name);
10066 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10067 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10070 appData.noChessProgram = FALSE;
10071 appData.clockMode = TRUE;
10077 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10079 char buf[MSG_SIZ], *p, *q;
10080 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10081 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10082 skip = !all && group[0]; // if group requested, we start in skip mode
10083 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10084 p = names; q = buf; header = 0;
10085 while(*p && *p != '\n') *q++ = *p++;
10087 if(*p == '\n') p++;
10088 if(buf[0] == '#') {
10089 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10090 depth++; // we must be entering a new group
10091 if(all) continue; // suppress printing group headers when complete list requested
10093 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10095 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10096 if(engineList[i]) free(engineList[i]);
10097 engineList[i] = strdup(buf);
10098 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10099 if(engineMnemonic[i]) free(engineMnemonic[i]);
10100 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10102 sscanf(q + 8, "%s", buf + strlen(buf));
10105 engineMnemonic[i] = strdup(buf);
10108 engineList[i] = engineMnemonic[i] = NULL;
10112 // following implemented as macro to avoid type limitations
10113 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10116 SwapEngines (int n)
10117 { // swap settings for first engine and other engine (so far only some selected options)
10122 SWAP(chessProgram, p)
10124 SWAP(hasOwnBookUCI, h)
10125 SWAP(protocolVersion, h)
10127 SWAP(scoreIsAbsolute, h)
10132 SWAP(engOptions, p)
10133 SWAP(engInitString, p)
10134 SWAP(computerString, p)
10136 SWAP(fenOverride, p)
10138 SWAP(accumulateTC, h)
10143 SetPlayer (int player, char *p)
10144 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10146 char buf[MSG_SIZ], *engineName;
10147 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10148 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10149 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10151 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10152 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10153 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10154 ParseArgsFromString(buf);
10160 char *recentEngines;
10163 RecentEngineEvent (int nr)
10166 // SwapEngines(1); // bump first to second
10167 // ReplaceEngine(&second, 1); // and load it there
10168 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10169 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10170 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10171 ReplaceEngine(&first, 0);
10172 FloatToFront(&appData.recentEngineList, command[n]);
10177 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10178 { // determine players from game number
10179 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10181 if(appData.tourneyType == 0) {
10182 roundsPerCycle = (nPlayers - 1) | 1;
10183 pairingsPerRound = nPlayers / 2;
10184 } else if(appData.tourneyType > 0) {
10185 roundsPerCycle = nPlayers - appData.tourneyType;
10186 pairingsPerRound = appData.tourneyType;
10188 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10189 gamesPerCycle = gamesPerRound * roundsPerCycle;
10190 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10191 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10192 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10193 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10194 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10195 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10197 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10198 if(appData.roundSync) *syncInterval = gamesPerRound;
10200 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10202 if(appData.tourneyType == 0) {
10203 if(curPairing == (nPlayers-1)/2 ) {
10204 *whitePlayer = curRound;
10205 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10207 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10208 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10209 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10210 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10212 } else if(appData.tourneyType > 1) {
10213 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10214 *whitePlayer = curRound + appData.tourneyType;
10215 } else if(appData.tourneyType > 0) {
10216 *whitePlayer = curPairing;
10217 *blackPlayer = curRound + appData.tourneyType;
10220 // take care of white/black alternation per round.
10221 // For cycles and games this is already taken care of by default, derived from matchGame!
10222 return curRound & 1;
10226 NextTourneyGame (int nr, int *swapColors)
10227 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10229 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10231 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10232 tf = fopen(appData.tourneyFile, "r");
10233 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10234 ParseArgsFromFile(tf); fclose(tf);
10235 InitTimeControls(); // TC might be altered from tourney file
10237 nPlayers = CountPlayers(appData.participants); // count participants
10238 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10239 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10242 p = q = appData.results;
10243 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10244 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10245 DisplayMessage(_("Waiting for other game(s)"),"");
10246 waitingForGame = TRUE;
10247 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10250 waitingForGame = FALSE;
10253 if(appData.tourneyType < 0) {
10254 if(nr>=0 && !pairingReceived) {
10256 if(pairing.pr == NoProc) {
10257 if(!appData.pairingEngine[0]) {
10258 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10261 StartChessProgram(&pairing); // starts the pairing engine
10263 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10264 SendToProgram(buf, &pairing);
10265 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10266 SendToProgram(buf, &pairing);
10267 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10269 pairingReceived = 0; // ... so we continue here
10271 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10272 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10273 matchGame = 1; roundNr = nr / syncInterval + 1;
10276 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10278 // redefine engines, engine dir, etc.
10279 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10280 if(first.pr == NoProc) {
10281 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10282 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10284 if(second.pr == NoProc) {
10286 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10287 SwapEngines(1); // and make that valid for second engine by swapping
10288 InitEngine(&second, 1);
10290 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10291 UpdateLogos(FALSE); // leave display to ModeHiglight()
10297 { // performs game initialization that does not invoke engines, and then tries to start the game
10298 int res, firstWhite, swapColors = 0;
10299 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10300 if(matchMode && appData.debugMode) { // [HGM] debug split: game is part of a match; we might have to create a debug file just for this game
10302 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10303 if(strcmp(buf, currentDebugFile)) { // name has changed
10304 FILE *f = fopen(buf, "w");
10305 if(f) { // if opening the new file failed, just keep using the old one
10306 ASSIGN(currentDebugFile, buf);
10310 if(appData.serverFileName) {
10311 if(serverFP) fclose(serverFP);
10312 serverFP = fopen(appData.serverFileName, "w");
10313 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10314 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10318 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10319 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10320 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10321 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10322 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10323 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10324 Reset(FALSE, first.pr != NoProc);
10325 res = LoadGameOrPosition(matchGame); // setup game
10326 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10327 if(!res) return; // abort when bad game/pos file
10328 TwoMachinesEvent();
10332 UserAdjudicationEvent (int result)
10334 ChessMove gameResult = GameIsDrawn;
10337 gameResult = WhiteWins;
10339 else if( result < 0 ) {
10340 gameResult = BlackWins;
10343 if( gameMode == TwoMachinesPlay ) {
10344 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10349 // [HGM] save: calculate checksum of game to make games easily identifiable
10351 StringCheckSum (char *s)
10354 if(s==NULL) return 0;
10355 while(*s) i = i*259 + *s++;
10363 for(i=backwardMostMove; i<forwardMostMove; i++) {
10364 sum += pvInfoList[i].depth;
10365 sum += StringCheckSum(parseList[i]);
10366 sum += StringCheckSum(commentList[i]);
10369 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10370 return sum + StringCheckSum(commentList[i]);
10371 } // end of save patch
10374 GameEnds (ChessMove result, char *resultDetails, int whosays)
10376 GameMode nextGameMode;
10378 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10380 if(endingGame) return; /* [HGM] crash: forbid recursion */
10382 if(twoBoards) { // [HGM] dual: switch back to one board
10383 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10384 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10386 if (appData.debugMode) {
10387 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10388 result, resultDetails ? resultDetails : "(null)", whosays);
10391 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10393 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10394 /* If we are playing on ICS, the server decides when the
10395 game is over, but the engine can offer to draw, claim
10399 if (appData.zippyPlay && first.initDone) {
10400 if (result == GameIsDrawn) {
10401 /* In case draw still needs to be claimed */
10402 SendToICS(ics_prefix);
10403 SendToICS("draw\n");
10404 } else if (StrCaseStr(resultDetails, "resign")) {
10405 SendToICS(ics_prefix);
10406 SendToICS("resign\n");
10410 endingGame = 0; /* [HGM] crash */
10414 /* If we're loading the game from a file, stop */
10415 if (whosays == GE_FILE) {
10416 (void) StopLoadGameTimer();
10420 /* Cancel draw offers */
10421 first.offeredDraw = second.offeredDraw = 0;
10423 /* If this is an ICS game, only ICS can really say it's done;
10424 if not, anyone can. */
10425 isIcsGame = (gameMode == IcsPlayingWhite ||
10426 gameMode == IcsPlayingBlack ||
10427 gameMode == IcsObserving ||
10428 gameMode == IcsExamining);
10430 if (!isIcsGame || whosays == GE_ICS) {
10431 /* OK -- not an ICS game, or ICS said it was done */
10433 if (!isIcsGame && !appData.noChessProgram)
10434 SetUserThinkingEnables();
10436 /* [HGM] if a machine claims the game end we verify this claim */
10437 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10438 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10440 ChessMove trueResult = (ChessMove) -1;
10442 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10443 first.twoMachinesColor[0] :
10444 second.twoMachinesColor[0] ;
10446 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10447 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10448 /* [HGM] verify: engine mate claims accepted if they were flagged */
10449 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10451 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10452 /* [HGM] verify: engine mate claims accepted if they were flagged */
10453 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10455 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10456 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10459 // now verify win claims, but not in drop games, as we don't understand those yet
10460 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10461 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10462 (result == WhiteWins && claimer == 'w' ||
10463 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10464 if (appData.debugMode) {
10465 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10466 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10468 if(result != trueResult) {
10469 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10470 result = claimer == 'w' ? BlackWins : WhiteWins;
10471 resultDetails = buf;
10474 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10475 && (forwardMostMove <= backwardMostMove ||
10476 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10477 (claimer=='b')==(forwardMostMove&1))
10479 /* [HGM] verify: draws that were not flagged are false claims */
10480 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10481 result = claimer == 'w' ? BlackWins : WhiteWins;
10482 resultDetails = buf;
10484 /* (Claiming a loss is accepted no questions asked!) */
10486 /* [HGM] bare: don't allow bare King to win */
10487 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10488 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10489 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10490 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10491 && result != GameIsDrawn)
10492 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10493 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10494 int p = (signed char)boards[forwardMostMove][i][j] - color;
10495 if(p >= 0 && p <= (int)WhiteKing) k++;
10497 if (appData.debugMode) {
10498 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10499 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10502 result = GameIsDrawn;
10503 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10504 resultDetails = buf;
10510 if(serverMoves != NULL && !loadFlag) { char c = '=';
10511 if(result==WhiteWins) c = '+';
10512 if(result==BlackWins) c = '-';
10513 if(resultDetails != NULL)
10514 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10516 if (resultDetails != NULL) {
10517 gameInfo.result = result;
10518 gameInfo.resultDetails = StrSave(resultDetails);
10520 /* display last move only if game was not loaded from file */
10521 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10522 DisplayMove(currentMove - 1);
10524 if (forwardMostMove != 0) {
10525 if (gameMode != PlayFromGameFile && gameMode != EditGame
10526 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10528 if (*appData.saveGameFile != NULLCHAR) {
10529 SaveGameToFile(appData.saveGameFile, TRUE);
10530 } else if (appData.autoSaveGames) {
10533 if (*appData.savePositionFile != NULLCHAR) {
10534 SavePositionToFile(appData.savePositionFile);
10539 /* Tell program how game ended in case it is learning */
10540 /* [HGM] Moved this to after saving the PGN, just in case */
10541 /* engine died and we got here through time loss. In that */
10542 /* case we will get a fatal error writing the pipe, which */
10543 /* would otherwise lose us the PGN. */
10544 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10545 /* output during GameEnds should never be fatal anymore */
10546 if (gameMode == MachinePlaysWhite ||
10547 gameMode == MachinePlaysBlack ||
10548 gameMode == TwoMachinesPlay ||
10549 gameMode == IcsPlayingWhite ||
10550 gameMode == IcsPlayingBlack ||
10551 gameMode == BeginningOfGame) {
10553 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10555 if (first.pr != NoProc) {
10556 SendToProgram(buf, &first);
10558 if (second.pr != NoProc &&
10559 gameMode == TwoMachinesPlay) {
10560 SendToProgram(buf, &second);
10565 if (appData.icsActive) {
10566 if (appData.quietPlay &&
10567 (gameMode == IcsPlayingWhite ||
10568 gameMode == IcsPlayingBlack)) {
10569 SendToICS(ics_prefix);
10570 SendToICS("set shout 1\n");
10572 nextGameMode = IcsIdle;
10573 ics_user_moved = FALSE;
10574 /* clean up premove. It's ugly when the game has ended and the
10575 * premove highlights are still on the board.
10578 gotPremove = FALSE;
10579 ClearPremoveHighlights();
10580 DrawPosition(FALSE, boards[currentMove]);
10582 if (whosays == GE_ICS) {
10585 if (gameMode == IcsPlayingWhite)
10587 else if(gameMode == IcsPlayingBlack)
10588 PlayIcsLossSound();
10591 if (gameMode == IcsPlayingBlack)
10593 else if(gameMode == IcsPlayingWhite)
10594 PlayIcsLossSound();
10597 PlayIcsDrawSound();
10600 PlayIcsUnfinishedSound();
10603 } else if (gameMode == EditGame ||
10604 gameMode == PlayFromGameFile ||
10605 gameMode == AnalyzeMode ||
10606 gameMode == AnalyzeFile) {
10607 nextGameMode = gameMode;
10609 nextGameMode = EndOfGame;
10614 nextGameMode = gameMode;
10617 if (appData.noChessProgram) {
10618 gameMode = nextGameMode;
10620 endingGame = 0; /* [HGM] crash */
10625 /* Put first chess program into idle state */
10626 if (first.pr != NoProc &&
10627 (gameMode == MachinePlaysWhite ||
10628 gameMode == MachinePlaysBlack ||
10629 gameMode == TwoMachinesPlay ||
10630 gameMode == IcsPlayingWhite ||
10631 gameMode == IcsPlayingBlack ||
10632 gameMode == BeginningOfGame)) {
10633 SendToProgram("force\n", &first);
10634 if (first.usePing) {
10636 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10637 SendToProgram(buf, &first);
10640 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10641 /* Kill off first chess program */
10642 if (first.isr != NULL)
10643 RemoveInputSource(first.isr);
10646 if (first.pr != NoProc) {
10648 DoSleep( appData.delayBeforeQuit );
10649 SendToProgram("quit\n", &first);
10650 DoSleep( appData.delayAfterQuit );
10651 DestroyChildProcess(first.pr, first.useSigterm);
10655 if (second.reuse) {
10656 /* Put second chess program into idle state */
10657 if (second.pr != NoProc &&
10658 gameMode == TwoMachinesPlay) {
10659 SendToProgram("force\n", &second);
10660 if (second.usePing) {
10662 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10663 SendToProgram(buf, &second);
10666 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10667 /* Kill off second chess program */
10668 if (second.isr != NULL)
10669 RemoveInputSource(second.isr);
10672 if (second.pr != NoProc) {
10673 DoSleep( appData.delayBeforeQuit );
10674 SendToProgram("quit\n", &second);
10675 DoSleep( appData.delayAfterQuit );
10676 DestroyChildProcess(second.pr, second.useSigterm);
10678 second.pr = NoProc;
10681 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10682 char resChar = '=';
10686 if (first.twoMachinesColor[0] == 'w') {
10689 second.matchWins++;
10694 if (first.twoMachinesColor[0] == 'b') {
10697 second.matchWins++;
10700 case GameUnfinished:
10706 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10707 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10708 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10709 ReserveGame(nextGame, resChar); // sets nextGame
10710 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10711 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10712 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10714 if (nextGame <= appData.matchGames && !abortMatch) {
10715 gameMode = nextGameMode;
10716 matchGame = nextGame; // this will be overruled in tourney mode!
10717 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10718 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10719 endingGame = 0; /* [HGM] crash */
10722 gameMode = nextGameMode;
10723 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10724 first.tidy, second.tidy,
10725 first.matchWins, second.matchWins,
10726 appData.matchGames - (first.matchWins + second.matchWins));
10727 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10728 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10729 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10730 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10731 first.twoMachinesColor = "black\n";
10732 second.twoMachinesColor = "white\n";
10734 first.twoMachinesColor = "white\n";
10735 second.twoMachinesColor = "black\n";
10739 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10740 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10742 gameMode = nextGameMode;
10744 endingGame = 0; /* [HGM] crash */
10745 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10746 if(matchMode == TRUE) { // match through command line: exit with or without popup
10748 ToNrEvent(forwardMostMove);
10749 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10751 } else DisplayFatalError(buf, 0, 0);
10752 } else { // match through menu; just stop, with or without popup
10753 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10756 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10757 } else DisplayNote(buf);
10759 if(ranking) free(ranking);
10763 /* Assumes program was just initialized (initString sent).
10764 Leaves program in force mode. */
10766 FeedMovesToProgram (ChessProgramState *cps, int upto)
10770 if (appData.debugMode)
10771 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10772 startedFromSetupPosition ? "position and " : "",
10773 backwardMostMove, upto, cps->which);
10774 if(currentlyInitializedVariant != gameInfo.variant) {
10776 // [HGM] variantswitch: make engine aware of new variant
10777 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10778 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10779 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10780 SendToProgram(buf, cps);
10781 currentlyInitializedVariant = gameInfo.variant;
10783 SendToProgram("force\n", cps);
10784 if (startedFromSetupPosition) {
10785 SendBoard(cps, backwardMostMove);
10786 if (appData.debugMode) {
10787 fprintf(debugFP, "feedMoves\n");
10790 for (i = backwardMostMove; i < upto; i++) {
10791 SendMoveToProgram(i, cps);
10797 ResurrectChessProgram ()
10799 /* The chess program may have exited.
10800 If so, restart it and feed it all the moves made so far. */
10801 static int doInit = 0;
10803 if (appData.noChessProgram) return 1;
10805 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10806 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10807 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10808 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10810 if (first.pr != NoProc) return 1;
10811 StartChessProgram(&first);
10813 InitChessProgram(&first, FALSE);
10814 FeedMovesToProgram(&first, currentMove);
10816 if (!first.sendTime) {
10817 /* can't tell gnuchess what its clock should read,
10818 so we bow to its notion. */
10820 timeRemaining[0][currentMove] = whiteTimeRemaining;
10821 timeRemaining[1][currentMove] = blackTimeRemaining;
10824 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10825 appData.icsEngineAnalyze) && first.analysisSupport) {
10826 SendToProgram("analyze\n", &first);
10827 first.analyzing = TRUE;
10833 * Button procedures
10836 Reset (int redraw, int init)
10840 if (appData.debugMode) {
10841 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10842 redraw, init, gameMode);
10844 CleanupTail(); // [HGM] vari: delete any stored variations
10845 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10846 pausing = pauseExamInvalid = FALSE;
10847 startedFromSetupPosition = blackPlaysFirst = FALSE;
10849 whiteFlag = blackFlag = FALSE;
10850 userOfferedDraw = FALSE;
10851 hintRequested = bookRequested = FALSE;
10852 first.maybeThinking = FALSE;
10853 second.maybeThinking = FALSE;
10854 first.bookSuspend = FALSE; // [HGM] book
10855 second.bookSuspend = FALSE;
10856 thinkOutput[0] = NULLCHAR;
10857 lastHint[0] = NULLCHAR;
10858 ClearGameInfo(&gameInfo);
10859 gameInfo.variant = StringToVariant(appData.variant);
10860 ics_user_moved = ics_clock_paused = FALSE;
10861 ics_getting_history = H_FALSE;
10863 white_holding[0] = black_holding[0] = NULLCHAR;
10864 ClearProgramStats();
10865 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10869 flipView = appData.flipView;
10870 ClearPremoveHighlights();
10871 gotPremove = FALSE;
10872 alarmSounded = FALSE;
10874 GameEnds(EndOfFile, NULL, GE_PLAYER);
10875 if(appData.serverMovesName != NULL) {
10876 /* [HGM] prepare to make moves file for broadcasting */
10877 clock_t t = clock();
10878 if(serverMoves != NULL) fclose(serverMoves);
10879 serverMoves = fopen(appData.serverMovesName, "r");
10880 if(serverMoves != NULL) {
10881 fclose(serverMoves);
10882 /* delay 15 sec before overwriting, so all clients can see end */
10883 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10885 serverMoves = fopen(appData.serverMovesName, "w");
10889 gameMode = BeginningOfGame;
10891 if(appData.icsActive) gameInfo.variant = VariantNormal;
10892 currentMove = forwardMostMove = backwardMostMove = 0;
10893 MarkTargetSquares(1);
10894 InitPosition(redraw);
10895 for (i = 0; i < MAX_MOVES; i++) {
10896 if (commentList[i] != NULL) {
10897 free(commentList[i]);
10898 commentList[i] = NULL;
10902 timeRemaining[0][0] = whiteTimeRemaining;
10903 timeRemaining[1][0] = blackTimeRemaining;
10905 if (first.pr == NoProc) {
10906 StartChessProgram(&first);
10909 InitChessProgram(&first, startedFromSetupPosition);
10912 DisplayMessage("", "");
10913 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10914 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10915 ClearMap(); // [HGM] exclude: invalidate map
10919 AutoPlayGameLoop ()
10922 if (!AutoPlayOneMove())
10924 if (matchMode || appData.timeDelay == 0)
10926 if (appData.timeDelay < 0)
10928 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
10937 int fromX, fromY, toX, toY;
10939 if (appData.debugMode) {
10940 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10943 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10946 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10947 pvInfoList[currentMove].depth = programStats.depth;
10948 pvInfoList[currentMove].score = programStats.score;
10949 pvInfoList[currentMove].time = 0;
10950 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10953 if (currentMove >= forwardMostMove) {
10954 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10955 // gameMode = EndOfGame;
10956 // ModeHighlight();
10958 /* [AS] Clear current move marker at the end of a game */
10959 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10964 toX = moveList[currentMove][2] - AAA;
10965 toY = moveList[currentMove][3] - ONE;
10967 if (moveList[currentMove][1] == '@') {
10968 if (appData.highlightLastMove) {
10969 SetHighlights(-1, -1, toX, toY);
10972 fromX = moveList[currentMove][0] - AAA;
10973 fromY = moveList[currentMove][1] - ONE;
10975 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10977 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10979 if (appData.highlightLastMove) {
10980 SetHighlights(fromX, fromY, toX, toY);
10983 DisplayMove(currentMove);
10984 SendMoveToProgram(currentMove++, &first);
10985 DisplayBothClocks();
10986 DrawPosition(FALSE, boards[currentMove]);
10987 // [HGM] PV info: always display, routine tests if empty
10988 DisplayComment(currentMove - 1, commentList[currentMove]);
10994 LoadGameOneMove (ChessMove readAhead)
10996 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10997 char promoChar = NULLCHAR;
10998 ChessMove moveType;
10999 char move[MSG_SIZ];
11002 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11003 gameMode != AnalyzeMode && gameMode != Training) {
11008 yyboardindex = forwardMostMove;
11009 if (readAhead != EndOfFile) {
11010 moveType = readAhead;
11012 if (gameFileFP == NULL)
11014 moveType = (ChessMove) Myylex();
11018 switch (moveType) {
11020 if (appData.debugMode)
11021 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11024 /* append the comment but don't display it */
11025 AppendComment(currentMove, p, FALSE);
11028 case WhiteCapturesEnPassant:
11029 case BlackCapturesEnPassant:
11030 case WhitePromotion:
11031 case BlackPromotion:
11032 case WhiteNonPromotion:
11033 case BlackNonPromotion:
11035 case WhiteKingSideCastle:
11036 case WhiteQueenSideCastle:
11037 case BlackKingSideCastle:
11038 case BlackQueenSideCastle:
11039 case WhiteKingSideCastleWild:
11040 case WhiteQueenSideCastleWild:
11041 case BlackKingSideCastleWild:
11042 case BlackQueenSideCastleWild:
11044 case WhiteHSideCastleFR:
11045 case WhiteASideCastleFR:
11046 case BlackHSideCastleFR:
11047 case BlackASideCastleFR:
11049 if (appData.debugMode)
11050 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11051 fromX = currentMoveString[0] - AAA;
11052 fromY = currentMoveString[1] - ONE;
11053 toX = currentMoveString[2] - AAA;
11054 toY = currentMoveString[3] - ONE;
11055 promoChar = currentMoveString[4];
11060 if (appData.debugMode)
11061 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11062 fromX = moveType == WhiteDrop ?
11063 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11064 (int) CharToPiece(ToLower(currentMoveString[0]));
11066 toX = currentMoveString[2] - AAA;
11067 toY = currentMoveString[3] - ONE;
11073 case GameUnfinished:
11074 if (appData.debugMode)
11075 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11076 p = strchr(yy_text, '{');
11077 if (p == NULL) p = strchr(yy_text, '(');
11080 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11082 q = strchr(p, *p == '{' ? '}' : ')');
11083 if (q != NULL) *q = NULLCHAR;
11086 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11087 GameEnds(moveType, p, GE_FILE);
11089 if (cmailMsgLoaded) {
11091 flipView = WhiteOnMove(currentMove);
11092 if (moveType == GameUnfinished) flipView = !flipView;
11093 if (appData.debugMode)
11094 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11099 if (appData.debugMode)
11100 fprintf(debugFP, "Parser hit end of file\n");
11101 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11107 if (WhiteOnMove(currentMove)) {
11108 GameEnds(BlackWins, "Black mates", GE_FILE);
11110 GameEnds(WhiteWins, "White mates", GE_FILE);
11114 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11120 case MoveNumberOne:
11121 if (lastLoadGameStart == GNUChessGame) {
11122 /* GNUChessGames have numbers, but they aren't move numbers */
11123 if (appData.debugMode)
11124 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11125 yy_text, (int) moveType);
11126 return LoadGameOneMove(EndOfFile); /* tail recursion */
11128 /* else fall thru */
11133 /* Reached start of next game in file */
11134 if (appData.debugMode)
11135 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11136 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11142 if (WhiteOnMove(currentMove)) {
11143 GameEnds(BlackWins, "Black mates", GE_FILE);
11145 GameEnds(WhiteWins, "White mates", GE_FILE);
11149 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11155 case PositionDiagram: /* should not happen; ignore */
11156 case ElapsedTime: /* ignore */
11157 case NAG: /* ignore */
11158 if (appData.debugMode)
11159 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11160 yy_text, (int) moveType);
11161 return LoadGameOneMove(EndOfFile); /* tail recursion */
11164 if (appData.testLegality) {
11165 if (appData.debugMode)
11166 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11167 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11168 (forwardMostMove / 2) + 1,
11169 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11170 DisplayError(move, 0);
11173 if (appData.debugMode)
11174 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11175 yy_text, currentMoveString);
11176 fromX = currentMoveString[0] - AAA;
11177 fromY = currentMoveString[1] - ONE;
11178 toX = currentMoveString[2] - AAA;
11179 toY = currentMoveString[3] - ONE;
11180 promoChar = currentMoveString[4];
11184 case AmbiguousMove:
11185 if (appData.debugMode)
11186 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11187 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11188 (forwardMostMove / 2) + 1,
11189 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11190 DisplayError(move, 0);
11195 case ImpossibleMove:
11196 if (appData.debugMode)
11197 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11198 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11199 (forwardMostMove / 2) + 1,
11200 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11201 DisplayError(move, 0);
11207 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11208 DrawPosition(FALSE, boards[currentMove]);
11209 DisplayBothClocks();
11210 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11211 DisplayComment(currentMove - 1, commentList[currentMove]);
11213 (void) StopLoadGameTimer();
11215 cmailOldMove = forwardMostMove;
11218 /* currentMoveString is set as a side-effect of yylex */
11220 thinkOutput[0] = NULLCHAR;
11221 MakeMove(fromX, fromY, toX, toY, promoChar);
11222 currentMove = forwardMostMove;
11227 /* Load the nth game from the given file */
11229 LoadGameFromFile (char *filename, int n, char *title, int useList)
11234 if (strcmp(filename, "-") == 0) {
11238 f = fopen(filename, "rb");
11240 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11241 DisplayError(buf, errno);
11245 if (fseek(f, 0, 0) == -1) {
11246 /* f is not seekable; probably a pipe */
11249 if (useList && n == 0) {
11250 int error = GameListBuild(f);
11252 DisplayError(_("Cannot build game list"), error);
11253 } else if (!ListEmpty(&gameList) &&
11254 ((ListGame *) gameList.tailPred)->number > 1) {
11255 GameListPopUp(f, title);
11262 return LoadGame(f, n, title, FALSE);
11267 MakeRegisteredMove ()
11269 int fromX, fromY, toX, toY;
11271 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11272 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11275 if (appData.debugMode)
11276 fprintf(debugFP, "Restoring %s for game %d\n",
11277 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11279 thinkOutput[0] = NULLCHAR;
11280 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11281 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11282 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11283 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11284 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11285 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11286 MakeMove(fromX, fromY, toX, toY, promoChar);
11287 ShowMove(fromX, fromY, toX, toY);
11289 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11296 if (WhiteOnMove(currentMove)) {
11297 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11299 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11304 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11311 if (WhiteOnMove(currentMove)) {
11312 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11314 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11319 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11330 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11332 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11336 if (gameNumber > nCmailGames) {
11337 DisplayError(_("No more games in this message"), 0);
11340 if (f == lastLoadGameFP) {
11341 int offset = gameNumber - lastLoadGameNumber;
11343 cmailMsg[0] = NULLCHAR;
11344 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11345 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11346 nCmailMovesRegistered--;
11348 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11349 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11350 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11353 if (! RegisterMove()) return FALSE;
11357 retVal = LoadGame(f, gameNumber, title, useList);
11359 /* Make move registered during previous look at this game, if any */
11360 MakeRegisteredMove();
11362 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11363 commentList[currentMove]
11364 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11365 DisplayComment(currentMove - 1, commentList[currentMove]);
11371 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11373 ReloadGame (int offset)
11375 int gameNumber = lastLoadGameNumber + offset;
11376 if (lastLoadGameFP == NULL) {
11377 DisplayError(_("No game has been loaded yet"), 0);
11380 if (gameNumber <= 0) {
11381 DisplayError(_("Can't back up any further"), 0);
11384 if (cmailMsgLoaded) {
11385 return CmailLoadGame(lastLoadGameFP, gameNumber,
11386 lastLoadGameTitle, lastLoadGameUseList);
11388 return LoadGame(lastLoadGameFP, gameNumber,
11389 lastLoadGameTitle, lastLoadGameUseList);
11393 int keys[EmptySquare+1];
11396 PositionMatches (Board b1, Board b2)
11399 switch(appData.searchMode) {
11400 case 1: return CompareWithRights(b1, b2);
11402 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11403 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11407 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11408 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11409 sum += keys[b1[r][f]] - keys[b2[r][f]];
11413 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11414 sum += keys[b1[r][f]] - keys[b2[r][f]];
11426 int pieceList[256], quickBoard[256];
11427 ChessSquare pieceType[256] = { EmptySquare };
11428 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11429 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11430 int soughtTotal, turn;
11431 Boolean epOK, flipSearch;
11434 unsigned char piece, to;
11437 #define DSIZE (250000)
11439 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11440 Move *moveDatabase = initialSpace;
11441 unsigned int movePtr, dataSize = DSIZE;
11444 MakePieceList (Board board, int *counts)
11446 int r, f, n=Q_PROMO, total=0;
11447 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11448 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11449 int sq = f + (r<<4);
11450 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11451 quickBoard[sq] = ++n;
11453 pieceType[n] = board[r][f];
11454 counts[board[r][f]]++;
11455 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11456 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11460 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11465 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11467 int sq = fromX + (fromY<<4);
11468 int piece = quickBoard[sq];
11469 quickBoard[sq] = 0;
11470 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11471 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11472 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11473 moveDatabase[movePtr++].piece = Q_WCASTL;
11474 quickBoard[sq] = piece;
11475 piece = quickBoard[from]; quickBoard[from] = 0;
11476 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11478 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11479 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11480 moveDatabase[movePtr++].piece = Q_BCASTL;
11481 quickBoard[sq] = piece;
11482 piece = quickBoard[from]; quickBoard[from] = 0;
11483 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11485 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11486 quickBoard[(fromY<<4)+toX] = 0;
11487 moveDatabase[movePtr].piece = Q_EP;
11488 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11489 moveDatabase[movePtr].to = sq;
11491 if(promoPiece != pieceType[piece]) {
11492 moveDatabase[movePtr++].piece = Q_PROMO;
11493 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11495 moveDatabase[movePtr].piece = piece;
11496 quickBoard[sq] = piece;
11501 PackGame (Board board)
11503 Move *newSpace = NULL;
11504 moveDatabase[movePtr].piece = 0; // terminate previous game
11505 if(movePtr > dataSize) {
11506 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11507 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11508 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11511 Move *p = moveDatabase, *q = newSpace;
11512 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11513 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11514 moveDatabase = newSpace;
11515 } else { // calloc failed, we must be out of memory. Too bad...
11516 dataSize = 0; // prevent calloc events for all subsequent games
11517 return 0; // and signal this one isn't cached
11521 MakePieceList(board, counts);
11526 QuickCompare (Board board, int *minCounts, int *maxCounts)
11527 { // compare according to search mode
11529 switch(appData.searchMode)
11531 case 1: // exact position match
11532 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11533 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11534 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11537 case 2: // can have extra material on empty squares
11538 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11539 if(board[r][f] == EmptySquare) continue;
11540 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11543 case 3: // material with exact Pawn structure
11544 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11545 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11546 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11547 } // fall through to material comparison
11548 case 4: // exact material
11549 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11551 case 6: // material range with given imbalance
11552 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11553 // fall through to range comparison
11554 case 5: // material range
11555 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11561 QuickScan (Board board, Move *move)
11562 { // reconstruct game,and compare all positions in it
11563 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11565 int piece = move->piece;
11566 int to = move->to, from = pieceList[piece];
11567 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11568 if(!piece) return -1;
11569 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11570 piece = (++move)->piece;
11571 from = pieceList[piece];
11572 counts[pieceType[piece]]--;
11573 pieceType[piece] = (ChessSquare) move->to;
11574 counts[move->to]++;
11575 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11576 counts[pieceType[quickBoard[to]]]--;
11577 quickBoard[to] = 0; total--;
11580 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11581 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11582 from = pieceList[piece]; // so this must be King
11583 quickBoard[from] = 0;
11584 pieceList[piece] = to;
11585 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11586 quickBoard[from] = 0; // rook
11587 quickBoard[to] = piece;
11588 to = move->to; piece = move->piece;
11592 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11593 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11594 quickBoard[from] = 0;
11596 quickBoard[to] = piece;
11597 pieceList[piece] = to;
11599 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11600 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11601 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11602 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11604 static int lastCounts[EmptySquare+1];
11606 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11607 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11608 } else stretch = 0;
11609 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11618 flipSearch = FALSE;
11619 CopyBoard(soughtBoard, boards[currentMove]);
11620 soughtTotal = MakePieceList(soughtBoard, maxSought);
11621 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11622 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11623 CopyBoard(reverseBoard, boards[currentMove]);
11624 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11625 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11626 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11627 reverseBoard[r][f] = piece;
11629 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11630 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11631 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11632 || (boards[currentMove][CASTLING][2] == NoRights ||
11633 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11634 && (boards[currentMove][CASTLING][5] == NoRights ||
11635 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11638 CopyBoard(flipBoard, soughtBoard);
11639 CopyBoard(rotateBoard, reverseBoard);
11640 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11641 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11642 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11645 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11646 if(appData.searchMode >= 5) {
11647 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11648 MakePieceList(soughtBoard, minSought);
11649 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11651 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11652 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11655 GameInfo dummyInfo;
11658 GameContainsPosition (FILE *f, ListGame *lg)
11660 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11661 int fromX, fromY, toX, toY;
11663 static int initDone=FALSE;
11665 // weed out games based on numerical tag comparison
11666 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11667 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11668 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11669 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11671 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11674 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11675 else CopyBoard(boards[scratch], initialPosition); // default start position
11678 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11679 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11682 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11683 fseek(f, lg->offset, 0);
11686 yyboardindex = scratch;
11687 quickFlag = plyNr+1;
11692 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11698 if(plyNr) return -1; // after we have seen moves, this is for new game
11701 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11702 case ImpossibleMove:
11703 case WhiteWins: // game ends here with these four
11706 case GameUnfinished:
11710 if(appData.testLegality) return -1;
11711 case WhiteCapturesEnPassant:
11712 case BlackCapturesEnPassant:
11713 case WhitePromotion:
11714 case BlackPromotion:
11715 case WhiteNonPromotion:
11716 case BlackNonPromotion:
11718 case WhiteKingSideCastle:
11719 case WhiteQueenSideCastle:
11720 case BlackKingSideCastle:
11721 case BlackQueenSideCastle:
11722 case WhiteKingSideCastleWild:
11723 case WhiteQueenSideCastleWild:
11724 case BlackKingSideCastleWild:
11725 case BlackQueenSideCastleWild:
11726 case WhiteHSideCastleFR:
11727 case WhiteASideCastleFR:
11728 case BlackHSideCastleFR:
11729 case BlackASideCastleFR:
11730 fromX = currentMoveString[0] - AAA;
11731 fromY = currentMoveString[1] - ONE;
11732 toX = currentMoveString[2] - AAA;
11733 toY = currentMoveString[3] - ONE;
11734 promoChar = currentMoveString[4];
11738 fromX = next == WhiteDrop ?
11739 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11740 (int) CharToPiece(ToLower(currentMoveString[0]));
11742 toX = currentMoveString[2] - AAA;
11743 toY = currentMoveString[3] - ONE;
11747 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11749 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11750 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11751 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11752 if(appData.findMirror) {
11753 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11754 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11759 /* Load the nth game from open file f */
11761 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11765 int gn = gameNumber;
11766 ListGame *lg = NULL;
11767 int numPGNTags = 0;
11769 GameMode oldGameMode;
11770 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11772 if (appData.debugMode)
11773 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11775 if (gameMode == Training )
11776 SetTrainingModeOff();
11778 oldGameMode = gameMode;
11779 if (gameMode != BeginningOfGame) {
11780 Reset(FALSE, TRUE);
11784 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11785 fclose(lastLoadGameFP);
11789 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11792 fseek(f, lg->offset, 0);
11793 GameListHighlight(gameNumber);
11794 pos = lg->position;
11798 DisplayError(_("Game number out of range"), 0);
11803 if (fseek(f, 0, 0) == -1) {
11804 if (f == lastLoadGameFP ?
11805 gameNumber == lastLoadGameNumber + 1 :
11809 DisplayError(_("Can't seek on game file"), 0);
11814 lastLoadGameFP = f;
11815 lastLoadGameNumber = gameNumber;
11816 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11817 lastLoadGameUseList = useList;
11821 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11822 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
11823 lg->gameInfo.black);
11825 } else if (*title != NULLCHAR) {
11826 if (gameNumber > 1) {
11827 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11830 DisplayTitle(title);
11834 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11835 gameMode = PlayFromGameFile;
11839 currentMove = forwardMostMove = backwardMostMove = 0;
11840 CopyBoard(boards[0], initialPosition);
11844 * Skip the first gn-1 games in the file.
11845 * Also skip over anything that precedes an identifiable
11846 * start of game marker, to avoid being confused by
11847 * garbage at the start of the file. Currently
11848 * recognized start of game markers are the move number "1",
11849 * the pattern "gnuchess .* game", the pattern
11850 * "^[#;%] [^ ]* game file", and a PGN tag block.
11851 * A game that starts with one of the latter two patterns
11852 * will also have a move number 1, possibly
11853 * following a position diagram.
11854 * 5-4-02: Let's try being more lenient and allowing a game to
11855 * start with an unnumbered move. Does that break anything?
11857 cm = lastLoadGameStart = EndOfFile;
11859 yyboardindex = forwardMostMove;
11860 cm = (ChessMove) Myylex();
11863 if (cmailMsgLoaded) {
11864 nCmailGames = CMAIL_MAX_GAMES - gn;
11867 DisplayError(_("Game not found in file"), 0);
11874 lastLoadGameStart = cm;
11877 case MoveNumberOne:
11878 switch (lastLoadGameStart) {
11883 case MoveNumberOne:
11885 gn--; /* count this game */
11886 lastLoadGameStart = cm;
11895 switch (lastLoadGameStart) {
11898 case MoveNumberOne:
11900 gn--; /* count this game */
11901 lastLoadGameStart = cm;
11904 lastLoadGameStart = cm; /* game counted already */
11912 yyboardindex = forwardMostMove;
11913 cm = (ChessMove) Myylex();
11914 } while (cm == PGNTag || cm == Comment);
11921 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11922 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11923 != CMAIL_OLD_RESULT) {
11925 cmailResult[ CMAIL_MAX_GAMES
11926 - gn - 1] = CMAIL_OLD_RESULT;
11932 /* Only a NormalMove can be at the start of a game
11933 * without a position diagram. */
11934 if (lastLoadGameStart == EndOfFile ) {
11936 lastLoadGameStart = MoveNumberOne;
11945 if (appData.debugMode)
11946 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11948 if (cm == XBoardGame) {
11949 /* Skip any header junk before position diagram and/or move 1 */
11951 yyboardindex = forwardMostMove;
11952 cm = (ChessMove) Myylex();
11954 if (cm == EndOfFile ||
11955 cm == GNUChessGame || cm == XBoardGame) {
11956 /* Empty game; pretend end-of-file and handle later */
11961 if (cm == MoveNumberOne || cm == PositionDiagram ||
11962 cm == PGNTag || cm == Comment)
11965 } else if (cm == GNUChessGame) {
11966 if (gameInfo.event != NULL) {
11967 free(gameInfo.event);
11969 gameInfo.event = StrSave(yy_text);
11972 startedFromSetupPosition = FALSE;
11973 while (cm == PGNTag) {
11974 if (appData.debugMode)
11975 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11976 err = ParsePGNTag(yy_text, &gameInfo);
11977 if (!err) numPGNTags++;
11979 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11980 if(gameInfo.variant != oldVariant) {
11981 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11982 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11983 InitPosition(TRUE);
11984 oldVariant = gameInfo.variant;
11985 if (appData.debugMode)
11986 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11990 if (gameInfo.fen != NULL) {
11991 Board initial_position;
11992 startedFromSetupPosition = TRUE;
11993 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11995 DisplayError(_("Bad FEN position in file"), 0);
11998 CopyBoard(boards[0], initial_position);
11999 if (blackPlaysFirst) {
12000 currentMove = forwardMostMove = backwardMostMove = 1;
12001 CopyBoard(boards[1], initial_position);
12002 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12003 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12004 timeRemaining[0][1] = whiteTimeRemaining;
12005 timeRemaining[1][1] = blackTimeRemaining;
12006 if (commentList[0] != NULL) {
12007 commentList[1] = commentList[0];
12008 commentList[0] = NULL;
12011 currentMove = forwardMostMove = backwardMostMove = 0;
12013 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12015 initialRulePlies = FENrulePlies;
12016 for( i=0; i< nrCastlingRights; i++ )
12017 initialRights[i] = initial_position[CASTLING][i];
12019 yyboardindex = forwardMostMove;
12020 free(gameInfo.fen);
12021 gameInfo.fen = NULL;
12024 yyboardindex = forwardMostMove;
12025 cm = (ChessMove) Myylex();
12027 /* Handle comments interspersed among the tags */
12028 while (cm == Comment) {
12030 if (appData.debugMode)
12031 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12033 AppendComment(currentMove, p, FALSE);
12034 yyboardindex = forwardMostMove;
12035 cm = (ChessMove) Myylex();
12039 /* don't rely on existence of Event tag since if game was
12040 * pasted from clipboard the Event tag may not exist
12042 if (numPGNTags > 0){
12044 if (gameInfo.variant == VariantNormal) {
12045 VariantClass v = StringToVariant(gameInfo.event);
12046 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12047 if(v < VariantShogi) gameInfo.variant = v;
12050 if( appData.autoDisplayTags ) {
12051 tags = PGNTags(&gameInfo);
12052 TagsPopUp(tags, CmailMsg());
12057 /* Make something up, but don't display it now */
12062 if (cm == PositionDiagram) {
12065 Board initial_position;
12067 if (appData.debugMode)
12068 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12070 if (!startedFromSetupPosition) {
12072 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12073 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12084 initial_position[i][j++] = CharToPiece(*p);
12087 while (*p == ' ' || *p == '\t' ||
12088 *p == '\n' || *p == '\r') p++;
12090 if (strncmp(p, "black", strlen("black"))==0)
12091 blackPlaysFirst = TRUE;
12093 blackPlaysFirst = FALSE;
12094 startedFromSetupPosition = TRUE;
12096 CopyBoard(boards[0], initial_position);
12097 if (blackPlaysFirst) {
12098 currentMove = forwardMostMove = backwardMostMove = 1;
12099 CopyBoard(boards[1], initial_position);
12100 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12101 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12102 timeRemaining[0][1] = whiteTimeRemaining;
12103 timeRemaining[1][1] = blackTimeRemaining;
12104 if (commentList[0] != NULL) {
12105 commentList[1] = commentList[0];
12106 commentList[0] = NULL;
12109 currentMove = forwardMostMove = backwardMostMove = 0;
12112 yyboardindex = forwardMostMove;
12113 cm = (ChessMove) Myylex();
12116 if (first.pr == NoProc) {
12117 StartChessProgram(&first);
12119 InitChessProgram(&first, FALSE);
12120 SendToProgram("force\n", &first);
12121 if (startedFromSetupPosition) {
12122 SendBoard(&first, forwardMostMove);
12123 if (appData.debugMode) {
12124 fprintf(debugFP, "Load Game\n");
12126 DisplayBothClocks();
12129 /* [HGM] server: flag to write setup moves in broadcast file as one */
12130 loadFlag = appData.suppressLoadMoves;
12132 while (cm == Comment) {
12134 if (appData.debugMode)
12135 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12137 AppendComment(currentMove, p, FALSE);
12138 yyboardindex = forwardMostMove;
12139 cm = (ChessMove) Myylex();
12142 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12143 cm == WhiteWins || cm == BlackWins ||
12144 cm == GameIsDrawn || cm == GameUnfinished) {
12145 DisplayMessage("", _("No moves in game"));
12146 if (cmailMsgLoaded) {
12147 if (appData.debugMode)
12148 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12152 DrawPosition(FALSE, boards[currentMove]);
12153 DisplayBothClocks();
12154 gameMode = EditGame;
12161 // [HGM] PV info: routine tests if comment empty
12162 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12163 DisplayComment(currentMove - 1, commentList[currentMove]);
12165 if (!matchMode && appData.timeDelay != 0)
12166 DrawPosition(FALSE, boards[currentMove]);
12168 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12169 programStats.ok_to_send = 1;
12172 /* if the first token after the PGN tags is a move
12173 * and not move number 1, retrieve it from the parser
12175 if (cm != MoveNumberOne)
12176 LoadGameOneMove(cm);
12178 /* load the remaining moves from the file */
12179 while (LoadGameOneMove(EndOfFile)) {
12180 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12181 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12184 /* rewind to the start of the game */
12185 currentMove = backwardMostMove;
12187 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12189 if (oldGameMode == AnalyzeFile ||
12190 oldGameMode == AnalyzeMode) {
12191 AnalyzeFileEvent();
12194 if (!matchMode && pos > 0) {
12195 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12197 if (matchMode || appData.timeDelay == 0) {
12199 } else if (appData.timeDelay > 0) {
12200 AutoPlayGameLoop();
12203 if (appData.debugMode)
12204 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12206 loadFlag = 0; /* [HGM] true game starts */
12210 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12212 ReloadPosition (int offset)
12214 int positionNumber = lastLoadPositionNumber + offset;
12215 if (lastLoadPositionFP == NULL) {
12216 DisplayError(_("No position has been loaded yet"), 0);
12219 if (positionNumber <= 0) {
12220 DisplayError(_("Can't back up any further"), 0);
12223 return LoadPosition(lastLoadPositionFP, positionNumber,
12224 lastLoadPositionTitle);
12227 /* Load the nth position from the given file */
12229 LoadPositionFromFile (char *filename, int n, char *title)
12234 if (strcmp(filename, "-") == 0) {
12235 return LoadPosition(stdin, n, "stdin");
12237 f = fopen(filename, "rb");
12239 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12240 DisplayError(buf, errno);
12243 return LoadPosition(f, n, title);
12248 /* Load the nth position from the given open file, and close it */
12250 LoadPosition (FILE *f, int positionNumber, char *title)
12252 char *p, line[MSG_SIZ];
12253 Board initial_position;
12254 int i, j, fenMode, pn;
12256 if (gameMode == Training )
12257 SetTrainingModeOff();
12259 if (gameMode != BeginningOfGame) {
12260 Reset(FALSE, TRUE);
12262 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12263 fclose(lastLoadPositionFP);
12265 if (positionNumber == 0) positionNumber = 1;
12266 lastLoadPositionFP = f;
12267 lastLoadPositionNumber = positionNumber;
12268 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12269 if (first.pr == NoProc && !appData.noChessProgram) {
12270 StartChessProgram(&first);
12271 InitChessProgram(&first, FALSE);
12273 pn = positionNumber;
12274 if (positionNumber < 0) {
12275 /* Negative position number means to seek to that byte offset */
12276 if (fseek(f, -positionNumber, 0) == -1) {
12277 DisplayError(_("Can't seek on position file"), 0);
12282 if (fseek(f, 0, 0) == -1) {
12283 if (f == lastLoadPositionFP ?
12284 positionNumber == lastLoadPositionNumber + 1 :
12285 positionNumber == 1) {
12288 DisplayError(_("Can't seek on position file"), 0);
12293 /* See if this file is FEN or old-style xboard */
12294 if (fgets(line, MSG_SIZ, f) == NULL) {
12295 DisplayError(_("Position not found in file"), 0);
12298 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12299 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12302 if (fenMode || line[0] == '#') pn--;
12304 /* skip positions before number pn */
12305 if (fgets(line, MSG_SIZ, f) == NULL) {
12307 DisplayError(_("Position not found in file"), 0);
12310 if (fenMode || line[0] == '#') pn--;
12315 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12316 DisplayError(_("Bad FEN position in file"), 0);
12320 (void) fgets(line, MSG_SIZ, f);
12321 (void) fgets(line, MSG_SIZ, f);
12323 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12324 (void) fgets(line, MSG_SIZ, f);
12325 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12328 initial_position[i][j++] = CharToPiece(*p);
12332 blackPlaysFirst = FALSE;
12334 (void) fgets(line, MSG_SIZ, f);
12335 if (strncmp(line, "black", strlen("black"))==0)
12336 blackPlaysFirst = TRUE;
12339 startedFromSetupPosition = TRUE;
12341 CopyBoard(boards[0], initial_position);
12342 if (blackPlaysFirst) {
12343 currentMove = forwardMostMove = backwardMostMove = 1;
12344 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12345 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12346 CopyBoard(boards[1], initial_position);
12347 DisplayMessage("", _("Black to play"));
12349 currentMove = forwardMostMove = backwardMostMove = 0;
12350 DisplayMessage("", _("White to play"));
12352 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12353 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12354 SendToProgram("force\n", &first);
12355 SendBoard(&first, forwardMostMove);
12357 if (appData.debugMode) {
12359 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12360 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12361 fprintf(debugFP, "Load Position\n");
12364 if (positionNumber > 1) {
12365 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12366 DisplayTitle(line);
12368 DisplayTitle(title);
12370 gameMode = EditGame;
12373 timeRemaining[0][1] = whiteTimeRemaining;
12374 timeRemaining[1][1] = blackTimeRemaining;
12375 DrawPosition(FALSE, boards[currentMove]);
12382 CopyPlayerNameIntoFileName (char **dest, char *src)
12384 while (*src != NULLCHAR && *src != ',') {
12389 *(*dest)++ = *src++;
12395 DefaultFileName (char *ext)
12397 static char def[MSG_SIZ];
12400 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12402 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12404 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12406 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12413 /* Save the current game to the given file */
12415 SaveGameToFile (char *filename, int append)
12419 int result, i, t,tot=0;
12421 if (strcmp(filename, "-") == 0) {
12422 return SaveGame(stdout, 0, NULL);
12424 for(i=0; i<10; i++) { // upto 10 tries
12425 f = fopen(filename, append ? "a" : "w");
12426 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12427 if(f || errno != 13) break;
12428 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12432 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12433 DisplayError(buf, errno);
12436 safeStrCpy(buf, lastMsg, MSG_SIZ);
12437 DisplayMessage(_("Waiting for access to save file"), "");
12438 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12439 DisplayMessage(_("Saving game"), "");
12440 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12441 result = SaveGame(f, 0, NULL);
12442 DisplayMessage(buf, "");
12449 SavePart (char *str)
12451 static char buf[MSG_SIZ];
12454 p = strchr(str, ' ');
12455 if (p == NULL) return str;
12456 strncpy(buf, str, p - str);
12457 buf[p - str] = NULLCHAR;
12461 #define PGN_MAX_LINE 75
12463 #define PGN_SIDE_WHITE 0
12464 #define PGN_SIDE_BLACK 1
12467 FindFirstMoveOutOfBook (int side)
12471 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12472 int index = backwardMostMove;
12473 int has_book_hit = 0;
12475 if( (index % 2) != side ) {
12479 while( index < forwardMostMove ) {
12480 /* Check to see if engine is in book */
12481 int depth = pvInfoList[index].depth;
12482 int score = pvInfoList[index].score;
12488 else if( score == 0 && depth == 63 ) {
12489 in_book = 1; /* Zappa */
12491 else if( score == 2 && depth == 99 ) {
12492 in_book = 1; /* Abrok */
12495 has_book_hit += in_book;
12511 GetOutOfBookInfo (char * buf)
12515 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12517 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12518 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12522 if( oob[0] >= 0 || oob[1] >= 0 ) {
12523 for( i=0; i<2; i++ ) {
12527 if( i > 0 && oob[0] >= 0 ) {
12528 strcat( buf, " " );
12531 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12532 sprintf( buf+strlen(buf), "%s%.2f",
12533 pvInfoList[idx].score >= 0 ? "+" : "",
12534 pvInfoList[idx].score / 100.0 );
12540 /* Save game in PGN style and close the file */
12542 SaveGamePGN (FILE *f)
12544 int i, offset, linelen, newblock;
12547 int movelen, numlen, blank;
12548 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12550 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12552 PrintPGNTags(f, &gameInfo);
12554 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12556 if (backwardMostMove > 0 || startedFromSetupPosition) {
12557 char *fen = PositionToFEN(backwardMostMove, NULL);
12558 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12559 fprintf(f, "\n{--------------\n");
12560 PrintPosition(f, backwardMostMove);
12561 fprintf(f, "--------------}\n");
12565 /* [AS] Out of book annotation */
12566 if( appData.saveOutOfBookInfo ) {
12569 GetOutOfBookInfo( buf );
12571 if( buf[0] != '\0' ) {
12572 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12579 i = backwardMostMove;
12583 while (i < forwardMostMove) {
12584 /* Print comments preceding this move */
12585 if (commentList[i] != NULL) {
12586 if (linelen > 0) fprintf(f, "\n");
12587 fprintf(f, "%s", commentList[i]);
12592 /* Format move number */
12594 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12597 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12599 numtext[0] = NULLCHAR;
12601 numlen = strlen(numtext);
12604 /* Print move number */
12605 blank = linelen > 0 && numlen > 0;
12606 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12615 fprintf(f, "%s", numtext);
12619 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12620 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12623 blank = linelen > 0 && movelen > 0;
12624 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12633 fprintf(f, "%s", move_buffer);
12634 linelen += movelen;
12636 /* [AS] Add PV info if present */
12637 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12638 /* [HGM] add time */
12639 char buf[MSG_SIZ]; int seconds;
12641 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12647 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12650 seconds = (seconds + 4)/10; // round to full seconds
12652 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12654 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12657 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12658 pvInfoList[i].score >= 0 ? "+" : "",
12659 pvInfoList[i].score / 100.0,
12660 pvInfoList[i].depth,
12663 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12665 /* Print score/depth */
12666 blank = linelen > 0 && movelen > 0;
12667 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12676 fprintf(f, "%s", move_buffer);
12677 linelen += movelen;
12683 /* Start a new line */
12684 if (linelen > 0) fprintf(f, "\n");
12686 /* Print comments after last move */
12687 if (commentList[i] != NULL) {
12688 fprintf(f, "%s\n", commentList[i]);
12692 if (gameInfo.resultDetails != NULL &&
12693 gameInfo.resultDetails[0] != NULLCHAR) {
12694 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12695 PGNResult(gameInfo.result));
12697 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12701 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12705 /* Save game in old style and close the file */
12707 SaveGameOldStyle (FILE *f)
12712 tm = time((time_t *) NULL);
12714 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12717 if (backwardMostMove > 0 || startedFromSetupPosition) {
12718 fprintf(f, "\n[--------------\n");
12719 PrintPosition(f, backwardMostMove);
12720 fprintf(f, "--------------]\n");
12725 i = backwardMostMove;
12726 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12728 while (i < forwardMostMove) {
12729 if (commentList[i] != NULL) {
12730 fprintf(f, "[%s]\n", commentList[i]);
12733 if ((i % 2) == 1) {
12734 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12737 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12739 if (commentList[i] != NULL) {
12743 if (i >= forwardMostMove) {
12747 fprintf(f, "%s\n", parseList[i]);
12752 if (commentList[i] != NULL) {
12753 fprintf(f, "[%s]\n", commentList[i]);
12756 /* This isn't really the old style, but it's close enough */
12757 if (gameInfo.resultDetails != NULL &&
12758 gameInfo.resultDetails[0] != NULLCHAR) {
12759 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12760 gameInfo.resultDetails);
12762 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12769 /* Save the current game to open file f and close the file */
12771 SaveGame (FILE *f, int dummy, char *dummy2)
12773 if (gameMode == EditPosition) EditPositionDone(TRUE);
12774 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12775 if (appData.oldSaveStyle)
12776 return SaveGameOldStyle(f);
12778 return SaveGamePGN(f);
12781 /* Save the current position to the given file */
12783 SavePositionToFile (char *filename)
12788 if (strcmp(filename, "-") == 0) {
12789 return SavePosition(stdout, 0, NULL);
12791 f = fopen(filename, "a");
12793 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12794 DisplayError(buf, errno);
12797 safeStrCpy(buf, lastMsg, MSG_SIZ);
12798 DisplayMessage(_("Waiting for access to save file"), "");
12799 flock(fileno(f), LOCK_EX); // [HGM] lock
12800 DisplayMessage(_("Saving position"), "");
12801 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12802 SavePosition(f, 0, NULL);
12803 DisplayMessage(buf, "");
12809 /* Save the current position to the given open file and close the file */
12811 SavePosition (FILE *f, int dummy, char *dummy2)
12816 if (gameMode == EditPosition) EditPositionDone(TRUE);
12817 if (appData.oldSaveStyle) {
12818 tm = time((time_t *) NULL);
12820 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12822 fprintf(f, "[--------------\n");
12823 PrintPosition(f, currentMove);
12824 fprintf(f, "--------------]\n");
12826 fen = PositionToFEN(currentMove, NULL);
12827 fprintf(f, "%s\n", fen);
12835 ReloadCmailMsgEvent (int unregister)
12838 static char *inFilename = NULL;
12839 static char *outFilename;
12841 struct stat inbuf, outbuf;
12844 /* Any registered moves are unregistered if unregister is set, */
12845 /* i.e. invoked by the signal handler */
12847 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12848 cmailMoveRegistered[i] = FALSE;
12849 if (cmailCommentList[i] != NULL) {
12850 free(cmailCommentList[i]);
12851 cmailCommentList[i] = NULL;
12854 nCmailMovesRegistered = 0;
12857 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12858 cmailResult[i] = CMAIL_NOT_RESULT;
12862 if (inFilename == NULL) {
12863 /* Because the filenames are static they only get malloced once */
12864 /* and they never get freed */
12865 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12866 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12868 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12869 sprintf(outFilename, "%s.out", appData.cmailGameName);
12872 status = stat(outFilename, &outbuf);
12874 cmailMailedMove = FALSE;
12876 status = stat(inFilename, &inbuf);
12877 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12880 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12881 counts the games, notes how each one terminated, etc.
12883 It would be nice to remove this kludge and instead gather all
12884 the information while building the game list. (And to keep it
12885 in the game list nodes instead of having a bunch of fixed-size
12886 parallel arrays.) Note this will require getting each game's
12887 termination from the PGN tags, as the game list builder does
12888 not process the game moves. --mann
12890 cmailMsgLoaded = TRUE;
12891 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12893 /* Load first game in the file or popup game menu */
12894 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12896 #endif /* !WIN32 */
12904 char string[MSG_SIZ];
12906 if ( cmailMailedMove
12907 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12908 return TRUE; /* Allow free viewing */
12911 /* Unregister move to ensure that we don't leave RegisterMove */
12912 /* with the move registered when the conditions for registering no */
12914 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12915 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12916 nCmailMovesRegistered --;
12918 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12920 free(cmailCommentList[lastLoadGameNumber - 1]);
12921 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12925 if (cmailOldMove == -1) {
12926 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12930 if (currentMove > cmailOldMove + 1) {
12931 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12935 if (currentMove < cmailOldMove) {
12936 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12940 if (forwardMostMove > currentMove) {
12941 /* Silently truncate extra moves */
12945 if ( (currentMove == cmailOldMove + 1)
12946 || ( (currentMove == cmailOldMove)
12947 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12948 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12949 if (gameInfo.result != GameUnfinished) {
12950 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12953 if (commentList[currentMove] != NULL) {
12954 cmailCommentList[lastLoadGameNumber - 1]
12955 = StrSave(commentList[currentMove]);
12957 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12959 if (appData.debugMode)
12960 fprintf(debugFP, "Saving %s for game %d\n",
12961 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12963 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12965 f = fopen(string, "w");
12966 if (appData.oldSaveStyle) {
12967 SaveGameOldStyle(f); /* also closes the file */
12969 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12970 f = fopen(string, "w");
12971 SavePosition(f, 0, NULL); /* also closes the file */
12973 fprintf(f, "{--------------\n");
12974 PrintPosition(f, currentMove);
12975 fprintf(f, "--------------}\n\n");
12977 SaveGame(f, 0, NULL); /* also closes the file*/
12980 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12981 nCmailMovesRegistered ++;
12982 } else if (nCmailGames == 1) {
12983 DisplayError(_("You have not made a move yet"), 0);
12994 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12995 FILE *commandOutput;
12996 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12997 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13003 if (! cmailMsgLoaded) {
13004 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13008 if (nCmailGames == nCmailResults) {
13009 DisplayError(_("No unfinished games"), 0);
13013 #if CMAIL_PROHIBIT_REMAIL
13014 if (cmailMailedMove) {
13015 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);
13016 DisplayError(msg, 0);
13021 if (! (cmailMailedMove || RegisterMove())) return;
13023 if ( cmailMailedMove
13024 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13025 snprintf(string, MSG_SIZ, partCommandString,
13026 appData.debugMode ? " -v" : "", appData.cmailGameName);
13027 commandOutput = popen(string, "r");
13029 if (commandOutput == NULL) {
13030 DisplayError(_("Failed to invoke cmail"), 0);
13032 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13033 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13035 if (nBuffers > 1) {
13036 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13037 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13038 nBytes = MSG_SIZ - 1;
13040 (void) memcpy(msg, buffer, nBytes);
13042 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13044 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13045 cmailMailedMove = TRUE; /* Prevent >1 moves */
13048 for (i = 0; i < nCmailGames; i ++) {
13049 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13054 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13056 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13058 appData.cmailGameName,
13060 LoadGameFromFile(buffer, 1, buffer, FALSE);
13061 cmailMsgLoaded = FALSE;
13065 DisplayInformation(msg);
13066 pclose(commandOutput);
13069 if ((*cmailMsg) != '\0') {
13070 DisplayInformation(cmailMsg);
13075 #endif /* !WIN32 */
13084 int prependComma = 0;
13086 char string[MSG_SIZ]; /* Space for game-list */
13089 if (!cmailMsgLoaded) return "";
13091 if (cmailMailedMove) {
13092 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13094 /* Create a list of games left */
13095 snprintf(string, MSG_SIZ, "[");
13096 for (i = 0; i < nCmailGames; i ++) {
13097 if (! ( cmailMoveRegistered[i]
13098 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13099 if (prependComma) {
13100 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13102 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13106 strcat(string, number);
13109 strcat(string, "]");
13111 if (nCmailMovesRegistered + nCmailResults == 0) {
13112 switch (nCmailGames) {
13114 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13118 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13122 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13127 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13129 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13134 if (nCmailResults == nCmailGames) {
13135 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13137 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13142 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13154 if (gameMode == Training)
13155 SetTrainingModeOff();
13158 cmailMsgLoaded = FALSE;
13159 if (appData.icsActive) {
13160 SendToICS(ics_prefix);
13161 SendToICS("refresh\n");
13166 ExitEvent (int status)
13170 /* Give up on clean exit */
13174 /* Keep trying for clean exit */
13178 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13180 if (telnetISR != NULL) {
13181 RemoveInputSource(telnetISR);
13183 if (icsPR != NoProc) {
13184 DestroyChildProcess(icsPR, TRUE);
13187 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13188 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13190 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13191 /* make sure this other one finishes before killing it! */
13192 if(endingGame) { int count = 0;
13193 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13194 while(endingGame && count++ < 10) DoSleep(1);
13195 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13198 /* Kill off chess programs */
13199 if (first.pr != NoProc) {
13202 DoSleep( appData.delayBeforeQuit );
13203 SendToProgram("quit\n", &first);
13204 DoSleep( appData.delayAfterQuit );
13205 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13207 if (second.pr != NoProc) {
13208 DoSleep( appData.delayBeforeQuit );
13209 SendToProgram("quit\n", &second);
13210 DoSleep( appData.delayAfterQuit );
13211 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13213 if (first.isr != NULL) {
13214 RemoveInputSource(first.isr);
13216 if (second.isr != NULL) {
13217 RemoveInputSource(second.isr);
13220 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13221 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13223 ShutDownFrontEnd();
13230 if (appData.debugMode)
13231 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13235 if (gameMode == MachinePlaysWhite ||
13236 gameMode == MachinePlaysBlack) {
13239 DisplayBothClocks();
13241 if (gameMode == PlayFromGameFile) {
13242 if (appData.timeDelay >= 0)
13243 AutoPlayGameLoop();
13244 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13245 Reset(FALSE, TRUE);
13246 SendToICS(ics_prefix);
13247 SendToICS("refresh\n");
13248 } else if (currentMove < forwardMostMove) {
13249 ForwardInner(forwardMostMove);
13251 pauseExamInvalid = FALSE;
13253 switch (gameMode) {
13257 pauseExamForwardMostMove = forwardMostMove;
13258 pauseExamInvalid = FALSE;
13261 case IcsPlayingWhite:
13262 case IcsPlayingBlack:
13266 case PlayFromGameFile:
13267 (void) StopLoadGameTimer();
13271 case BeginningOfGame:
13272 if (appData.icsActive) return;
13273 /* else fall through */
13274 case MachinePlaysWhite:
13275 case MachinePlaysBlack:
13276 case TwoMachinesPlay:
13277 if (forwardMostMove == 0)
13278 return; /* don't pause if no one has moved */
13279 if ((gameMode == MachinePlaysWhite &&
13280 !WhiteOnMove(forwardMostMove)) ||
13281 (gameMode == MachinePlaysBlack &&
13282 WhiteOnMove(forwardMostMove))) {
13293 EditCommentEvent ()
13295 char title[MSG_SIZ];
13297 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13298 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13300 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13301 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13302 parseList[currentMove - 1]);
13305 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13312 char *tags = PGNTags(&gameInfo);
13314 EditTagsPopUp(tags, NULL);
13319 AnalyzeModeEvent ()
13321 if (appData.noChessProgram || gameMode == AnalyzeMode)
13324 if (gameMode != AnalyzeFile) {
13325 if (!appData.icsEngineAnalyze) {
13327 if (gameMode != EditGame) return;
13329 ResurrectChessProgram();
13330 SendToProgram("analyze\n", &first);
13331 first.analyzing = TRUE;
13332 /*first.maybeThinking = TRUE;*/
13333 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13334 EngineOutputPopUp();
13336 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13341 StartAnalysisClock();
13342 GetTimeMark(&lastNodeCountTime);
13347 AnalyzeFileEvent ()
13349 if (appData.noChessProgram || gameMode == AnalyzeFile)
13352 if (gameMode != AnalyzeMode) {
13354 if (gameMode != EditGame) return;
13355 ResurrectChessProgram();
13356 SendToProgram("analyze\n", &first);
13357 first.analyzing = TRUE;
13358 /*first.maybeThinking = TRUE;*/
13359 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13360 EngineOutputPopUp();
13362 gameMode = AnalyzeFile;
13367 StartAnalysisClock();
13368 GetTimeMark(&lastNodeCountTime);
13370 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
13374 MachineWhiteEvent ()
13377 char *bookHit = NULL;
13379 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13383 if (gameMode == PlayFromGameFile ||
13384 gameMode == TwoMachinesPlay ||
13385 gameMode == Training ||
13386 gameMode == AnalyzeMode ||
13387 gameMode == EndOfGame)
13390 if (gameMode == EditPosition)
13391 EditPositionDone(TRUE);
13393 if (!WhiteOnMove(currentMove)) {
13394 DisplayError(_("It is not White's turn"), 0);
13398 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13401 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13402 gameMode == AnalyzeFile)
13405 ResurrectChessProgram(); /* in case it isn't running */
13406 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13407 gameMode = MachinePlaysWhite;
13410 gameMode = MachinePlaysWhite;
13414 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13416 if (first.sendName) {
13417 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13418 SendToProgram(buf, &first);
13420 if (first.sendTime) {
13421 if (first.useColors) {
13422 SendToProgram("black\n", &first); /*gnu kludge*/
13424 SendTimeRemaining(&first, TRUE);
13426 if (first.useColors) {
13427 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13429 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13430 SetMachineThinkingEnables();
13431 first.maybeThinking = TRUE;
13435 if (appData.autoFlipView && !flipView) {
13436 flipView = !flipView;
13437 DrawPosition(FALSE, NULL);
13438 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13441 if(bookHit) { // [HGM] book: simulate book reply
13442 static char bookMove[MSG_SIZ]; // a bit generous?
13444 programStats.nodes = programStats.depth = programStats.time =
13445 programStats.score = programStats.got_only_move = 0;
13446 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13448 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13449 strcat(bookMove, bookHit);
13450 HandleMachineMove(bookMove, &first);
13455 MachineBlackEvent ()
13458 char *bookHit = NULL;
13460 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13464 if (gameMode == PlayFromGameFile ||
13465 gameMode == TwoMachinesPlay ||
13466 gameMode == Training ||
13467 gameMode == AnalyzeMode ||
13468 gameMode == EndOfGame)
13471 if (gameMode == EditPosition)
13472 EditPositionDone(TRUE);
13474 if (WhiteOnMove(currentMove)) {
13475 DisplayError(_("It is not Black's turn"), 0);
13479 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13482 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13483 gameMode == AnalyzeFile)
13486 ResurrectChessProgram(); /* in case it isn't running */
13487 gameMode = MachinePlaysBlack;
13491 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13493 if (first.sendName) {
13494 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13495 SendToProgram(buf, &first);
13497 if (first.sendTime) {
13498 if (first.useColors) {
13499 SendToProgram("white\n", &first); /*gnu kludge*/
13501 SendTimeRemaining(&first, FALSE);
13503 if (first.useColors) {
13504 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13506 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13507 SetMachineThinkingEnables();
13508 first.maybeThinking = TRUE;
13511 if (appData.autoFlipView && flipView) {
13512 flipView = !flipView;
13513 DrawPosition(FALSE, NULL);
13514 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13516 if(bookHit) { // [HGM] book: simulate book reply
13517 static char bookMove[MSG_SIZ]; // a bit generous?
13519 programStats.nodes = programStats.depth = programStats.time =
13520 programStats.score = programStats.got_only_move = 0;
13521 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13523 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13524 strcat(bookMove, bookHit);
13525 HandleMachineMove(bookMove, &first);
13531 DisplayTwoMachinesTitle ()
13534 if (appData.matchGames > 0) {
13535 if(appData.tourneyFile[0]) {
13536 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13537 gameInfo.white, _("vs."), gameInfo.black,
13538 nextGame+1, appData.matchGames+1,
13539 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13541 if (first.twoMachinesColor[0] == 'w') {
13542 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13543 gameInfo.white, _("vs."), gameInfo.black,
13544 first.matchWins, second.matchWins,
13545 matchGame - 1 - (first.matchWins + second.matchWins));
13547 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13548 gameInfo.white, _("vs."), gameInfo.black,
13549 second.matchWins, first.matchWins,
13550 matchGame - 1 - (first.matchWins + second.matchWins));
13553 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13559 SettingsMenuIfReady ()
13561 if (second.lastPing != second.lastPong) {
13562 DisplayMessage("", _("Waiting for second chess program"));
13563 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13567 DisplayMessage("", "");
13568 SettingsPopUp(&second);
13572 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13575 if (cps->pr == NoProc) {
13576 StartChessProgram(cps);
13577 if (cps->protocolVersion == 1) {
13580 /* kludge: allow timeout for initial "feature" command */
13582 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13583 DisplayMessage("", buf);
13584 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13592 TwoMachinesEvent P((void))
13596 ChessProgramState *onmove;
13597 char *bookHit = NULL;
13598 static int stalling = 0;
13602 if (appData.noChessProgram) return;
13604 switch (gameMode) {
13605 case TwoMachinesPlay:
13607 case MachinePlaysWhite:
13608 case MachinePlaysBlack:
13609 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13610 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13614 case BeginningOfGame:
13615 case PlayFromGameFile:
13618 if (gameMode != EditGame) return;
13621 EditPositionDone(TRUE);
13632 // forwardMostMove = currentMove;
13633 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13635 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13637 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13638 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13639 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13643 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
13644 DisplayError("second engine does not play this", 0);
13649 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13650 SendToProgram("force\n", &second);
13652 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13655 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13656 if(appData.matchPause>10000 || appData.matchPause<10)
13657 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13658 wait = SubtractTimeMarks(&now, &pauseStart);
13659 if(wait < appData.matchPause) {
13660 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13663 // we are now committed to starting the game
13665 DisplayMessage("", "");
13666 if (startedFromSetupPosition) {
13667 SendBoard(&second, backwardMostMove);
13668 if (appData.debugMode) {
13669 fprintf(debugFP, "Two Machines\n");
13672 for (i = backwardMostMove; i < forwardMostMove; i++) {
13673 SendMoveToProgram(i, &second);
13676 gameMode = TwoMachinesPlay;
13678 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13680 DisplayTwoMachinesTitle();
13682 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13687 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13688 SendToProgram(first.computerString, &first);
13689 if (first.sendName) {
13690 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13691 SendToProgram(buf, &first);
13693 SendToProgram(second.computerString, &second);
13694 if (second.sendName) {
13695 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13696 SendToProgram(buf, &second);
13700 if (!first.sendTime || !second.sendTime) {
13701 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13702 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13704 if (onmove->sendTime) {
13705 if (onmove->useColors) {
13706 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13708 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13710 if (onmove->useColors) {
13711 SendToProgram(onmove->twoMachinesColor, onmove);
13713 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13714 // SendToProgram("go\n", onmove);
13715 onmove->maybeThinking = TRUE;
13716 SetMachineThinkingEnables();
13720 if(bookHit) { // [HGM] book: simulate book reply
13721 static char bookMove[MSG_SIZ]; // a bit generous?
13723 programStats.nodes = programStats.depth = programStats.time =
13724 programStats.score = programStats.got_only_move = 0;
13725 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13727 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13728 strcat(bookMove, bookHit);
13729 savedMessage = bookMove; // args for deferred call
13730 savedState = onmove;
13731 ScheduleDelayedEvent(DeferredBookMove, 1);
13738 if (gameMode == Training) {
13739 SetTrainingModeOff();
13740 gameMode = PlayFromGameFile;
13741 DisplayMessage("", _("Training mode off"));
13743 gameMode = Training;
13744 animateTraining = appData.animate;
13746 /* make sure we are not already at the end of the game */
13747 if (currentMove < forwardMostMove) {
13748 SetTrainingModeOn();
13749 DisplayMessage("", _("Training mode on"));
13751 gameMode = PlayFromGameFile;
13752 DisplayError(_("Already at end of game"), 0);
13761 if (!appData.icsActive) return;
13762 switch (gameMode) {
13763 case IcsPlayingWhite:
13764 case IcsPlayingBlack:
13767 case BeginningOfGame:
13775 EditPositionDone(TRUE);
13788 gameMode = IcsIdle;
13798 switch (gameMode) {
13800 SetTrainingModeOff();
13802 case MachinePlaysWhite:
13803 case MachinePlaysBlack:
13804 case BeginningOfGame:
13805 SendToProgram("force\n", &first);
13806 SetUserThinkingEnables();
13808 case PlayFromGameFile:
13809 (void) StopLoadGameTimer();
13810 if (gameFileFP != NULL) {
13815 EditPositionDone(TRUE);
13820 SendToProgram("force\n", &first);
13822 case TwoMachinesPlay:
13823 GameEnds(EndOfFile, NULL, GE_PLAYER);
13824 ResurrectChessProgram();
13825 SetUserThinkingEnables();
13828 ResurrectChessProgram();
13830 case IcsPlayingBlack:
13831 case IcsPlayingWhite:
13832 DisplayError(_("Warning: You are still playing a game"), 0);
13835 DisplayError(_("Warning: You are still observing a game"), 0);
13838 DisplayError(_("Warning: You are still examining a game"), 0);
13849 first.offeredDraw = second.offeredDraw = 0;
13851 if (gameMode == PlayFromGameFile) {
13852 whiteTimeRemaining = timeRemaining[0][currentMove];
13853 blackTimeRemaining = timeRemaining[1][currentMove];
13857 if (gameMode == MachinePlaysWhite ||
13858 gameMode == MachinePlaysBlack ||
13859 gameMode == TwoMachinesPlay ||
13860 gameMode == EndOfGame) {
13861 i = forwardMostMove;
13862 while (i > currentMove) {
13863 SendToProgram("undo\n", &first);
13866 if(!adjustedClock) {
13867 whiteTimeRemaining = timeRemaining[0][currentMove];
13868 blackTimeRemaining = timeRemaining[1][currentMove];
13869 DisplayBothClocks();
13871 if (whiteFlag || blackFlag) {
13872 whiteFlag = blackFlag = 0;
13877 gameMode = EditGame;
13884 EditPositionEvent ()
13886 if (gameMode == EditPosition) {
13892 if (gameMode != EditGame) return;
13894 gameMode = EditPosition;
13897 if (currentMove > 0)
13898 CopyBoard(boards[0], boards[currentMove]);
13900 blackPlaysFirst = !WhiteOnMove(currentMove);
13902 currentMove = forwardMostMove = backwardMostMove = 0;
13903 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13905 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
13911 /* [DM] icsEngineAnalyze - possible call from other functions */
13912 if (appData.icsEngineAnalyze) {
13913 appData.icsEngineAnalyze = FALSE;
13915 DisplayMessage("",_("Close ICS engine analyze..."));
13917 if (first.analysisSupport && first.analyzing) {
13918 SendToProgram("exit\n", &first);
13919 first.analyzing = FALSE;
13921 thinkOutput[0] = NULLCHAR;
13925 EditPositionDone (Boolean fakeRights)
13927 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13929 startedFromSetupPosition = TRUE;
13930 InitChessProgram(&first, FALSE);
13931 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13932 boards[0][EP_STATUS] = EP_NONE;
13933 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13934 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13935 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13936 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13937 } else boards[0][CASTLING][2] = NoRights;
13938 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13939 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13940 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13941 } else boards[0][CASTLING][5] = NoRights;
13943 SendToProgram("force\n", &first);
13944 if (blackPlaysFirst) {
13945 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13946 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13947 currentMove = forwardMostMove = backwardMostMove = 1;
13948 CopyBoard(boards[1], boards[0]);
13950 currentMove = forwardMostMove = backwardMostMove = 0;
13952 SendBoard(&first, forwardMostMove);
13953 if (appData.debugMode) {
13954 fprintf(debugFP, "EditPosDone\n");
13957 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13958 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13959 gameMode = EditGame;
13961 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13962 ClearHighlights(); /* [AS] */
13965 /* Pause for `ms' milliseconds */
13966 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13968 TimeDelay (long ms)
13975 } while (SubtractTimeMarks(&m2, &m1) < ms);
13978 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13980 SendMultiLineToICS (char *buf)
13982 char temp[MSG_SIZ+1], *p;
13989 strncpy(temp, buf, len);
13994 if (*p == '\n' || *p == '\r')
13999 strcat(temp, "\n");
14001 SendToPlayer(temp, strlen(temp));
14005 SetWhiteToPlayEvent ()
14007 if (gameMode == EditPosition) {
14008 blackPlaysFirst = FALSE;
14009 DisplayBothClocks(); /* works because currentMove is 0 */
14010 } else if (gameMode == IcsExamining) {
14011 SendToICS(ics_prefix);
14012 SendToICS("tomove white\n");
14017 SetBlackToPlayEvent ()
14019 if (gameMode == EditPosition) {
14020 blackPlaysFirst = TRUE;
14021 currentMove = 1; /* kludge */
14022 DisplayBothClocks();
14024 } else if (gameMode == IcsExamining) {
14025 SendToICS(ics_prefix);
14026 SendToICS("tomove black\n");
14031 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14034 ChessSquare piece = boards[0][y][x];
14036 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14038 switch (selection) {
14040 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14041 SendToICS(ics_prefix);
14042 SendToICS("bsetup clear\n");
14043 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14044 SendToICS(ics_prefix);
14045 SendToICS("clearboard\n");
14047 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14048 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14049 for (y = 0; y < BOARD_HEIGHT; y++) {
14050 if (gameMode == IcsExamining) {
14051 if (boards[currentMove][y][x] != EmptySquare) {
14052 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14057 boards[0][y][x] = p;
14062 if (gameMode == EditPosition) {
14063 DrawPosition(FALSE, boards[0]);
14068 SetWhiteToPlayEvent();
14072 SetBlackToPlayEvent();
14076 if (gameMode == IcsExamining) {
14077 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14078 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14081 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14082 if(x == BOARD_LEFT-2) {
14083 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14084 boards[0][y][1] = 0;
14086 if(x == BOARD_RGHT+1) {
14087 if(y >= gameInfo.holdingsSize) break;
14088 boards[0][y][BOARD_WIDTH-2] = 0;
14091 boards[0][y][x] = EmptySquare;
14092 DrawPosition(FALSE, boards[0]);
14097 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14098 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14099 selection = (ChessSquare) (PROMOTED piece);
14100 } else if(piece == EmptySquare) selection = WhiteSilver;
14101 else selection = (ChessSquare)((int)piece - 1);
14105 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14106 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14107 selection = (ChessSquare) (DEMOTED piece);
14108 } else if(piece == EmptySquare) selection = BlackSilver;
14109 else selection = (ChessSquare)((int)piece + 1);
14114 if(gameInfo.variant == VariantShatranj ||
14115 gameInfo.variant == VariantXiangqi ||
14116 gameInfo.variant == VariantCourier ||
14117 gameInfo.variant == VariantMakruk )
14118 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14123 if(gameInfo.variant == VariantXiangqi)
14124 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14125 if(gameInfo.variant == VariantKnightmate)
14126 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14129 if (gameMode == IcsExamining) {
14130 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14131 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14132 PieceToChar(selection), AAA + x, ONE + y);
14135 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14137 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14138 n = PieceToNumber(selection - BlackPawn);
14139 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14140 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14141 boards[0][BOARD_HEIGHT-1-n][1]++;
14143 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14144 n = PieceToNumber(selection);
14145 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14146 boards[0][n][BOARD_WIDTH-1] = selection;
14147 boards[0][n][BOARD_WIDTH-2]++;
14150 boards[0][y][x] = selection;
14151 DrawPosition(TRUE, boards[0]);
14153 fromX = fromY = -1;
14161 DropMenuEvent (ChessSquare selection, int x, int y)
14163 ChessMove moveType;
14165 switch (gameMode) {
14166 case IcsPlayingWhite:
14167 case MachinePlaysBlack:
14168 if (!WhiteOnMove(currentMove)) {
14169 DisplayMoveError(_("It is Black's turn"));
14172 moveType = WhiteDrop;
14174 case IcsPlayingBlack:
14175 case MachinePlaysWhite:
14176 if (WhiteOnMove(currentMove)) {
14177 DisplayMoveError(_("It is White's turn"));
14180 moveType = BlackDrop;
14183 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14189 if (moveType == BlackDrop && selection < BlackPawn) {
14190 selection = (ChessSquare) ((int) selection
14191 + (int) BlackPawn - (int) WhitePawn);
14193 if (boards[currentMove][y][x] != EmptySquare) {
14194 DisplayMoveError(_("That square is occupied"));
14198 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14204 /* Accept a pending offer of any kind from opponent */
14206 if (appData.icsActive) {
14207 SendToICS(ics_prefix);
14208 SendToICS("accept\n");
14209 } else if (cmailMsgLoaded) {
14210 if (currentMove == cmailOldMove &&
14211 commentList[cmailOldMove] != NULL &&
14212 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14213 "Black offers a draw" : "White offers a draw")) {
14215 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14216 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14218 DisplayError(_("There is no pending offer on this move"), 0);
14219 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14222 /* Not used for offers from chess program */
14229 /* Decline a pending offer of any kind from opponent */
14231 if (appData.icsActive) {
14232 SendToICS(ics_prefix);
14233 SendToICS("decline\n");
14234 } else if (cmailMsgLoaded) {
14235 if (currentMove == cmailOldMove &&
14236 commentList[cmailOldMove] != NULL &&
14237 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14238 "Black offers a draw" : "White offers a draw")) {
14240 AppendComment(cmailOldMove, "Draw declined", TRUE);
14241 DisplayComment(cmailOldMove - 1, "Draw declined");
14244 DisplayError(_("There is no pending offer on this move"), 0);
14247 /* Not used for offers from chess program */
14254 /* Issue ICS rematch command */
14255 if (appData.icsActive) {
14256 SendToICS(ics_prefix);
14257 SendToICS("rematch\n");
14264 /* Call your opponent's flag (claim a win on time) */
14265 if (appData.icsActive) {
14266 SendToICS(ics_prefix);
14267 SendToICS("flag\n");
14269 switch (gameMode) {
14272 case MachinePlaysWhite:
14275 GameEnds(GameIsDrawn, "Both players ran out of time",
14278 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14280 DisplayError(_("Your opponent is not out of time"), 0);
14283 case MachinePlaysBlack:
14286 GameEnds(GameIsDrawn, "Both players ran out of time",
14289 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14291 DisplayError(_("Your opponent is not out of time"), 0);
14299 ClockClick (int which)
14300 { // [HGM] code moved to back-end from winboard.c
14301 if(which) { // black clock
14302 if (gameMode == EditPosition || gameMode == IcsExamining) {
14303 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14304 SetBlackToPlayEvent();
14305 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14306 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14307 } else if (shiftKey) {
14308 AdjustClock(which, -1);
14309 } else if (gameMode == IcsPlayingWhite ||
14310 gameMode == MachinePlaysBlack) {
14313 } else { // white clock
14314 if (gameMode == EditPosition || gameMode == IcsExamining) {
14315 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14316 SetWhiteToPlayEvent();
14317 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14318 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14319 } else if (shiftKey) {
14320 AdjustClock(which, -1);
14321 } else if (gameMode == IcsPlayingBlack ||
14322 gameMode == MachinePlaysWhite) {
14331 /* Offer draw or accept pending draw offer from opponent */
14333 if (appData.icsActive) {
14334 /* Note: tournament rules require draw offers to be
14335 made after you make your move but before you punch
14336 your clock. Currently ICS doesn't let you do that;
14337 instead, you immediately punch your clock after making
14338 a move, but you can offer a draw at any time. */
14340 SendToICS(ics_prefix);
14341 SendToICS("draw\n");
14342 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14343 } else if (cmailMsgLoaded) {
14344 if (currentMove == cmailOldMove &&
14345 commentList[cmailOldMove] != NULL &&
14346 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14347 "Black offers a draw" : "White offers a draw")) {
14348 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14349 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14350 } else if (currentMove == cmailOldMove + 1) {
14351 char *offer = WhiteOnMove(cmailOldMove) ?
14352 "White offers a draw" : "Black offers a draw";
14353 AppendComment(currentMove, offer, TRUE);
14354 DisplayComment(currentMove - 1, offer);
14355 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14357 DisplayError(_("You must make your move before offering a draw"), 0);
14358 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14360 } else if (first.offeredDraw) {
14361 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14363 if (first.sendDrawOffers) {
14364 SendToProgram("draw\n", &first);
14365 userOfferedDraw = TRUE;
14373 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14375 if (appData.icsActive) {
14376 SendToICS(ics_prefix);
14377 SendToICS("adjourn\n");
14379 /* Currently GNU Chess doesn't offer or accept Adjourns */
14387 /* Offer Abort or accept pending Abort offer from opponent */
14389 if (appData.icsActive) {
14390 SendToICS(ics_prefix);
14391 SendToICS("abort\n");
14393 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14400 /* Resign. You can do this even if it's not your turn. */
14402 if (appData.icsActive) {
14403 SendToICS(ics_prefix);
14404 SendToICS("resign\n");
14406 switch (gameMode) {
14407 case MachinePlaysWhite:
14408 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14410 case MachinePlaysBlack:
14411 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14414 if (cmailMsgLoaded) {
14416 if (WhiteOnMove(cmailOldMove)) {
14417 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14419 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14421 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14432 StopObservingEvent ()
14434 /* Stop observing current games */
14435 SendToICS(ics_prefix);
14436 SendToICS("unobserve\n");
14440 StopExaminingEvent ()
14442 /* Stop observing current game */
14443 SendToICS(ics_prefix);
14444 SendToICS("unexamine\n");
14448 ForwardInner (int target)
14450 int limit; int oldSeekGraphUp = seekGraphUp;
14452 if (appData.debugMode)
14453 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14454 target, currentMove, forwardMostMove);
14456 if (gameMode == EditPosition)
14459 seekGraphUp = FALSE;
14460 MarkTargetSquares(1);
14462 if (gameMode == PlayFromGameFile && !pausing)
14465 if (gameMode == IcsExamining && pausing)
14466 limit = pauseExamForwardMostMove;
14468 limit = forwardMostMove;
14470 if (target > limit) target = limit;
14472 if (target > 0 && moveList[target - 1][0]) {
14473 int fromX, fromY, toX, toY;
14474 toX = moveList[target - 1][2] - AAA;
14475 toY = moveList[target - 1][3] - ONE;
14476 if (moveList[target - 1][1] == '@') {
14477 if (appData.highlightLastMove) {
14478 SetHighlights(-1, -1, toX, toY);
14481 fromX = moveList[target - 1][0] - AAA;
14482 fromY = moveList[target - 1][1] - ONE;
14483 if (target == currentMove + 1) {
14484 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14486 if (appData.highlightLastMove) {
14487 SetHighlights(fromX, fromY, toX, toY);
14491 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14492 gameMode == Training || gameMode == PlayFromGameFile ||
14493 gameMode == AnalyzeFile) {
14494 while (currentMove < target) {
14495 SendMoveToProgram(currentMove++, &first);
14498 currentMove = target;
14501 if (gameMode == EditGame || gameMode == EndOfGame) {
14502 whiteTimeRemaining = timeRemaining[0][currentMove];
14503 blackTimeRemaining = timeRemaining[1][currentMove];
14505 DisplayBothClocks();
14506 DisplayMove(currentMove - 1);
14507 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14508 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14509 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14510 DisplayComment(currentMove - 1, commentList[currentMove]);
14512 ClearMap(); // [HGM] exclude: invalidate map
14519 if (gameMode == IcsExamining && !pausing) {
14520 SendToICS(ics_prefix);
14521 SendToICS("forward\n");
14523 ForwardInner(currentMove + 1);
14530 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14531 /* to optimze, we temporarily turn off analysis mode while we feed
14532 * the remaining moves to the engine. Otherwise we get analysis output
14535 if (first.analysisSupport) {
14536 SendToProgram("exit\nforce\n", &first);
14537 first.analyzing = FALSE;
14541 if (gameMode == IcsExamining && !pausing) {
14542 SendToICS(ics_prefix);
14543 SendToICS("forward 999999\n");
14545 ForwardInner(forwardMostMove);
14548 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14549 /* we have fed all the moves, so reactivate analysis mode */
14550 SendToProgram("analyze\n", &first);
14551 first.analyzing = TRUE;
14552 /*first.maybeThinking = TRUE;*/
14553 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14558 BackwardInner (int target)
14560 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14562 if (appData.debugMode)
14563 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14564 target, currentMove, forwardMostMove);
14566 if (gameMode == EditPosition) return;
14567 seekGraphUp = FALSE;
14568 MarkTargetSquares(1);
14569 if (currentMove <= backwardMostMove) {
14571 DrawPosition(full_redraw, boards[currentMove]);
14574 if (gameMode == PlayFromGameFile && !pausing)
14577 if (moveList[target][0]) {
14578 int fromX, fromY, toX, toY;
14579 toX = moveList[target][2] - AAA;
14580 toY = moveList[target][3] - ONE;
14581 if (moveList[target][1] == '@') {
14582 if (appData.highlightLastMove) {
14583 SetHighlights(-1, -1, toX, toY);
14586 fromX = moveList[target][0] - AAA;
14587 fromY = moveList[target][1] - ONE;
14588 if (target == currentMove - 1) {
14589 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14591 if (appData.highlightLastMove) {
14592 SetHighlights(fromX, fromY, toX, toY);
14596 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14597 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14598 while (currentMove > target) {
14599 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14600 // null move cannot be undone. Reload program with move history before it.
14602 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14603 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14605 SendBoard(&first, i);
14606 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14609 SendToProgram("undo\n", &first);
14613 currentMove = target;
14616 if (gameMode == EditGame || gameMode == EndOfGame) {
14617 whiteTimeRemaining = timeRemaining[0][currentMove];
14618 blackTimeRemaining = timeRemaining[1][currentMove];
14620 DisplayBothClocks();
14621 DisplayMove(currentMove - 1);
14622 DrawPosition(full_redraw, boards[currentMove]);
14623 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14624 // [HGM] PV info: routine tests if comment empty
14625 DisplayComment(currentMove - 1, commentList[currentMove]);
14626 ClearMap(); // [HGM] exclude: invalidate map
14632 if (gameMode == IcsExamining && !pausing) {
14633 SendToICS(ics_prefix);
14634 SendToICS("backward\n");
14636 BackwardInner(currentMove - 1);
14643 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14644 /* to optimize, we temporarily turn off analysis mode while we undo
14645 * all the moves. Otherwise we get analysis output after each undo.
14647 if (first.analysisSupport) {
14648 SendToProgram("exit\nforce\n", &first);
14649 first.analyzing = FALSE;
14653 if (gameMode == IcsExamining && !pausing) {
14654 SendToICS(ics_prefix);
14655 SendToICS("backward 999999\n");
14657 BackwardInner(backwardMostMove);
14660 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14661 /* we have fed all the moves, so reactivate analysis mode */
14662 SendToProgram("analyze\n", &first);
14663 first.analyzing = TRUE;
14664 /*first.maybeThinking = TRUE;*/
14665 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14672 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14673 if (to >= forwardMostMove) to = forwardMostMove;
14674 if (to <= backwardMostMove) to = backwardMostMove;
14675 if (to < currentMove) {
14683 RevertEvent (Boolean annotate)
14685 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14688 if (gameMode != IcsExamining) {
14689 DisplayError(_("You are not examining a game"), 0);
14693 DisplayError(_("You can't revert while pausing"), 0);
14696 SendToICS(ics_prefix);
14697 SendToICS("revert\n");
14701 RetractMoveEvent ()
14703 switch (gameMode) {
14704 case MachinePlaysWhite:
14705 case MachinePlaysBlack:
14706 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14707 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14710 if (forwardMostMove < 2) return;
14711 currentMove = forwardMostMove = forwardMostMove - 2;
14712 whiteTimeRemaining = timeRemaining[0][currentMove];
14713 blackTimeRemaining = timeRemaining[1][currentMove];
14714 DisplayBothClocks();
14715 DisplayMove(currentMove - 1);
14716 ClearHighlights();/*!! could figure this out*/
14717 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14718 SendToProgram("remove\n", &first);
14719 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14722 case BeginningOfGame:
14726 case IcsPlayingWhite:
14727 case IcsPlayingBlack:
14728 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14729 SendToICS(ics_prefix);
14730 SendToICS("takeback 2\n");
14732 SendToICS(ics_prefix);
14733 SendToICS("takeback 1\n");
14742 ChessProgramState *cps;
14744 switch (gameMode) {
14745 case MachinePlaysWhite:
14746 if (!WhiteOnMove(forwardMostMove)) {
14747 DisplayError(_("It is your turn"), 0);
14752 case MachinePlaysBlack:
14753 if (WhiteOnMove(forwardMostMove)) {
14754 DisplayError(_("It is your turn"), 0);
14759 case TwoMachinesPlay:
14760 if (WhiteOnMove(forwardMostMove) ==
14761 (first.twoMachinesColor[0] == 'w')) {
14767 case BeginningOfGame:
14771 SendToProgram("?\n", cps);
14775 TruncateGameEvent ()
14778 if (gameMode != EditGame) return;
14785 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14786 if (forwardMostMove > currentMove) {
14787 if (gameInfo.resultDetails != NULL) {
14788 free(gameInfo.resultDetails);
14789 gameInfo.resultDetails = NULL;
14790 gameInfo.result = GameUnfinished;
14792 forwardMostMove = currentMove;
14793 HistorySet(parseList, backwardMostMove, forwardMostMove,
14801 if (appData.noChessProgram) return;
14802 switch (gameMode) {
14803 case MachinePlaysWhite:
14804 if (WhiteOnMove(forwardMostMove)) {
14805 DisplayError(_("Wait until your turn"), 0);
14809 case BeginningOfGame:
14810 case MachinePlaysBlack:
14811 if (!WhiteOnMove(forwardMostMove)) {
14812 DisplayError(_("Wait until your turn"), 0);
14817 DisplayError(_("No hint available"), 0);
14820 SendToProgram("hint\n", &first);
14821 hintRequested = TRUE;
14827 if (appData.noChessProgram) return;
14828 switch (gameMode) {
14829 case MachinePlaysWhite:
14830 if (WhiteOnMove(forwardMostMove)) {
14831 DisplayError(_("Wait until your turn"), 0);
14835 case BeginningOfGame:
14836 case MachinePlaysBlack:
14837 if (!WhiteOnMove(forwardMostMove)) {
14838 DisplayError(_("Wait until your turn"), 0);
14843 EditPositionDone(TRUE);
14845 case TwoMachinesPlay:
14850 SendToProgram("bk\n", &first);
14851 bookOutput[0] = NULLCHAR;
14852 bookRequested = TRUE;
14858 char *tags = PGNTags(&gameInfo);
14859 TagsPopUp(tags, CmailMsg());
14863 /* end button procedures */
14866 PrintPosition (FILE *fp, int move)
14870 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14871 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14872 char c = PieceToChar(boards[move][i][j]);
14873 fputc(c == 'x' ? '.' : c, fp);
14874 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14877 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14878 fprintf(fp, "white to play\n");
14880 fprintf(fp, "black to play\n");
14884 PrintOpponents (FILE *fp)
14886 if (gameInfo.white != NULL) {
14887 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14893 /* Find last component of program's own name, using some heuristics */
14895 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
14898 int local = (strcmp(host, "localhost") == 0);
14899 while (!local && (p = strchr(prog, ';')) != NULL) {
14901 while (*p == ' ') p++;
14904 if (*prog == '"' || *prog == '\'') {
14905 q = strchr(prog + 1, *prog);
14907 q = strchr(prog, ' ');
14909 if (q == NULL) q = prog + strlen(prog);
14911 while (p >= prog && *p != '/' && *p != '\\') p--;
14913 if(p == prog && *p == '"') p++;
14915 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
14916 memcpy(buf, p, q - p);
14917 buf[q - p] = NULLCHAR;
14925 TimeControlTagValue ()
14928 if (!appData.clockMode) {
14929 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14930 } else if (movesPerSession > 0) {
14931 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14932 } else if (timeIncrement == 0) {
14933 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14935 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14937 return StrSave(buf);
14943 /* This routine is used only for certain modes */
14944 VariantClass v = gameInfo.variant;
14945 ChessMove r = GameUnfinished;
14948 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14949 r = gameInfo.result;
14950 p = gameInfo.resultDetails;
14951 gameInfo.resultDetails = NULL;
14953 ClearGameInfo(&gameInfo);
14954 gameInfo.variant = v;
14956 switch (gameMode) {
14957 case MachinePlaysWhite:
14958 gameInfo.event = StrSave( appData.pgnEventHeader );
14959 gameInfo.site = StrSave(HostName());
14960 gameInfo.date = PGNDate();
14961 gameInfo.round = StrSave("-");
14962 gameInfo.white = StrSave(first.tidy);
14963 gameInfo.black = StrSave(UserName());
14964 gameInfo.timeControl = TimeControlTagValue();
14967 case MachinePlaysBlack:
14968 gameInfo.event = StrSave( appData.pgnEventHeader );
14969 gameInfo.site = StrSave(HostName());
14970 gameInfo.date = PGNDate();
14971 gameInfo.round = StrSave("-");
14972 gameInfo.white = StrSave(UserName());
14973 gameInfo.black = StrSave(first.tidy);
14974 gameInfo.timeControl = TimeControlTagValue();
14977 case TwoMachinesPlay:
14978 gameInfo.event = StrSave( appData.pgnEventHeader );
14979 gameInfo.site = StrSave(HostName());
14980 gameInfo.date = PGNDate();
14983 snprintf(buf, MSG_SIZ, "%d", roundNr);
14984 gameInfo.round = StrSave(buf);
14986 gameInfo.round = StrSave("-");
14988 if (first.twoMachinesColor[0] == 'w') {
14989 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14990 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14992 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14993 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14995 gameInfo.timeControl = TimeControlTagValue();
14999 gameInfo.event = StrSave("Edited game");
15000 gameInfo.site = StrSave(HostName());
15001 gameInfo.date = PGNDate();
15002 gameInfo.round = StrSave("-");
15003 gameInfo.white = StrSave("-");
15004 gameInfo.black = StrSave("-");
15005 gameInfo.result = r;
15006 gameInfo.resultDetails = p;
15010 gameInfo.event = StrSave("Edited position");
15011 gameInfo.site = StrSave(HostName());
15012 gameInfo.date = PGNDate();
15013 gameInfo.round = StrSave("-");
15014 gameInfo.white = StrSave("-");
15015 gameInfo.black = StrSave("-");
15018 case IcsPlayingWhite:
15019 case IcsPlayingBlack:
15024 case PlayFromGameFile:
15025 gameInfo.event = StrSave("Game from non-PGN file");
15026 gameInfo.site = StrSave(HostName());
15027 gameInfo.date = PGNDate();
15028 gameInfo.round = StrSave("-");
15029 gameInfo.white = StrSave("?");
15030 gameInfo.black = StrSave("?");
15039 ReplaceComment (int index, char *text)
15045 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15046 pvInfoList[index-1].depth == len &&
15047 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15048 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15049 while (*text == '\n') text++;
15050 len = strlen(text);
15051 while (len > 0 && text[len - 1] == '\n') len--;
15053 if (commentList[index] != NULL)
15054 free(commentList[index]);
15057 commentList[index] = NULL;
15060 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15061 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15062 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15063 commentList[index] = (char *) malloc(len + 2);
15064 strncpy(commentList[index], text, len);
15065 commentList[index][len] = '\n';
15066 commentList[index][len + 1] = NULLCHAR;
15068 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15070 commentList[index] = (char *) malloc(len + 7);
15071 safeStrCpy(commentList[index], "{\n", 3);
15072 safeStrCpy(commentList[index]+2, text, len+1);
15073 commentList[index][len+2] = NULLCHAR;
15074 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15075 strcat(commentList[index], "\n}\n");
15080 CrushCRs (char *text)
15088 if (ch == '\r') continue;
15090 } while (ch != '\0');
15094 AppendComment (int index, char *text, Boolean addBraces)
15095 /* addBraces tells if we should add {} */
15100 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
15101 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15104 while (*text == '\n') text++;
15105 len = strlen(text);
15106 while (len > 0 && text[len - 1] == '\n') len--;
15107 text[len] = NULLCHAR;
15109 if (len == 0) return;
15111 if (commentList[index] != NULL) {
15112 Boolean addClosingBrace = addBraces;
15113 old = commentList[index];
15114 oldlen = strlen(old);
15115 while(commentList[index][oldlen-1] == '\n')
15116 commentList[index][--oldlen] = NULLCHAR;
15117 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15118 safeStrCpy(commentList[index], old, oldlen + len + 6);
15120 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15121 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15122 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15123 while (*text == '\n') { text++; len--; }
15124 commentList[index][--oldlen] = NULLCHAR;
15126 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15127 else strcat(commentList[index], "\n");
15128 strcat(commentList[index], text);
15129 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15130 else strcat(commentList[index], "\n");
15132 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15134 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15135 else commentList[index][0] = NULLCHAR;
15136 strcat(commentList[index], text);
15137 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15138 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15143 FindStr (char * text, char * sub_text)
15145 char * result = strstr( text, sub_text );
15147 if( result != NULL ) {
15148 result += strlen( sub_text );
15154 /* [AS] Try to extract PV info from PGN comment */
15155 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15157 GetInfoFromComment (int index, char * text)
15159 char * sep = text, *p;
15161 if( text != NULL && index > 0 ) {
15164 int time = -1, sec = 0, deci;
15165 char * s_eval = FindStr( text, "[%eval " );
15166 char * s_emt = FindStr( text, "[%emt " );
15168 if( s_eval != NULL || s_emt != NULL ) {
15172 if( s_eval != NULL ) {
15173 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15177 if( delim != ']' ) {
15182 if( s_emt != NULL ) {
15187 /* We expect something like: [+|-]nnn.nn/dd */
15190 if(*text != '{') return text; // [HGM] braces: must be normal comment
15192 sep = strchr( text, '/' );
15193 if( sep == NULL || sep < (text+4) ) {
15198 if(p[1] == '(') { // comment starts with PV
15199 p = strchr(p, ')'); // locate end of PV
15200 if(p == NULL || sep < p+5) return text;
15201 // at this point we have something like "{(.*) +0.23/6 ..."
15202 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15203 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15204 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15206 time = -1; sec = -1; deci = -1;
15207 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15208 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15209 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15210 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15214 if( score_lo < 0 || score_lo >= 100 ) {
15218 if(sec >= 0) time = 600*time + 10*sec; else
15219 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15221 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15223 /* [HGM] PV time: now locate end of PV info */
15224 while( *++sep >= '0' && *sep <= '9'); // strip depth
15226 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15228 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15230 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15231 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15242 pvInfoList[index-1].depth = depth;
15243 pvInfoList[index-1].score = score;
15244 pvInfoList[index-1].time = 10*time; // centi-sec
15245 if(*sep == '}') *sep = 0; else *--sep = '{';
15246 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15252 SendToProgram (char *message, ChessProgramState *cps)
15254 int count, outCount, error;
15257 if (cps->pr == NoProc) return;
15260 if (appData.debugMode) {
15263 fprintf(debugFP, "%ld >%-6s: %s",
15264 SubtractTimeMarks(&now, &programStartTime),
15265 cps->which, message);
15267 fprintf(serverFP, "%ld >%-6s: %s",
15268 SubtractTimeMarks(&now, &programStartTime),
15269 cps->which, message), fflush(serverFP);
15272 count = strlen(message);
15273 outCount = OutputToProcess(cps->pr, message, count, &error);
15274 if (outCount < count && !exiting
15275 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15276 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15277 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15278 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15279 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15280 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15281 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15282 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15284 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15285 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15286 gameInfo.result = res;
15288 gameInfo.resultDetails = StrSave(buf);
15290 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15291 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15296 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15300 ChessProgramState *cps = (ChessProgramState *)closure;
15302 if (isr != cps->isr) return; /* Killed intentionally */
15305 RemoveInputSource(cps->isr);
15306 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15307 _(cps->which), cps->program);
15308 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15309 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15310 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15311 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15312 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15313 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15315 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15316 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15317 gameInfo.result = res;
15319 gameInfo.resultDetails = StrSave(buf);
15321 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15322 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15324 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15325 _(cps->which), cps->program);
15326 RemoveInputSource(cps->isr);
15328 /* [AS] Program is misbehaving badly... kill it */
15329 if( count == -2 ) {
15330 DestroyChildProcess( cps->pr, 9 );
15334 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15339 if ((end_str = strchr(message, '\r')) != NULL)
15340 *end_str = NULLCHAR;
15341 if ((end_str = strchr(message, '\n')) != NULL)
15342 *end_str = NULLCHAR;
15344 if (appData.debugMode) {
15345 TimeMark now; int print = 1;
15346 char *quote = ""; char c; int i;
15348 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15349 char start = message[0];
15350 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15351 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15352 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15353 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15354 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15355 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15356 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15357 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15358 sscanf(message, "hint: %c", &c)!=1 &&
15359 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15360 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15361 print = (appData.engineComments >= 2);
15363 message[0] = start; // restore original message
15367 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15368 SubtractTimeMarks(&now, &programStartTime), cps->which,
15372 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15373 SubtractTimeMarks(&now, &programStartTime), cps->which,
15375 message), fflush(serverFP);
15379 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15380 if (appData.icsEngineAnalyze) {
15381 if (strstr(message, "whisper") != NULL ||
15382 strstr(message, "kibitz") != NULL ||
15383 strstr(message, "tellics") != NULL) return;
15386 HandleMachineMove(message, cps);
15391 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15396 if( timeControl_2 > 0 ) {
15397 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15398 tc = timeControl_2;
15401 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15402 inc /= cps->timeOdds;
15403 st /= cps->timeOdds;
15405 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15408 /* Set exact time per move, normally using st command */
15409 if (cps->stKludge) {
15410 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15412 if (seconds == 0) {
15413 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15415 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15418 snprintf(buf, MSG_SIZ, "st %d\n", st);
15421 /* Set conventional or incremental time control, using level command */
15422 if (seconds == 0) {
15423 /* Note old gnuchess bug -- minutes:seconds used to not work.
15424 Fixed in later versions, but still avoid :seconds
15425 when seconds is 0. */
15426 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15428 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15429 seconds, inc/1000.);
15432 SendToProgram(buf, cps);
15434 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15435 /* Orthogonally, limit search to given depth */
15437 if (cps->sdKludge) {
15438 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15440 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15442 SendToProgram(buf, cps);
15445 if(cps->nps >= 0) { /* [HGM] nps */
15446 if(cps->supportsNPS == FALSE)
15447 cps->nps = -1; // don't use if engine explicitly says not supported!
15449 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15450 SendToProgram(buf, cps);
15455 ChessProgramState *
15457 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15459 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15460 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15466 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15468 char message[MSG_SIZ];
15471 /* Note: this routine must be called when the clocks are stopped
15472 or when they have *just* been set or switched; otherwise
15473 it will be off by the time since the current tick started.
15475 if (machineWhite) {
15476 time = whiteTimeRemaining / 10;
15477 otime = blackTimeRemaining / 10;
15479 time = blackTimeRemaining / 10;
15480 otime = whiteTimeRemaining / 10;
15482 /* [HGM] translate opponent's time by time-odds factor */
15483 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15485 if (time <= 0) time = 1;
15486 if (otime <= 0) otime = 1;
15488 snprintf(message, MSG_SIZ, "time %ld\n", time);
15489 SendToProgram(message, cps);
15491 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15492 SendToProgram(message, cps);
15496 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15499 int len = strlen(name);
15502 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15504 sscanf(*p, "%d", &val);
15506 while (**p && **p != ' ')
15508 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15509 SendToProgram(buf, cps);
15516 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15519 int len = strlen(name);
15520 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15522 sscanf(*p, "%d", loc);
15523 while (**p && **p != ' ') (*p)++;
15524 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15525 SendToProgram(buf, cps);
15532 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15535 int len = strlen(name);
15536 if (strncmp((*p), name, len) == 0
15537 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15539 sscanf(*p, "%[^\"]", loc);
15540 while (**p && **p != '\"') (*p)++;
15541 if (**p == '\"') (*p)++;
15542 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15543 SendToProgram(buf, cps);
15550 ParseOption (Option *opt, ChessProgramState *cps)
15551 // [HGM] options: process the string that defines an engine option, and determine
15552 // name, type, default value, and allowed value range
15554 char *p, *q, buf[MSG_SIZ];
15555 int n, min = (-1)<<31, max = 1<<31, def;
15557 if(p = strstr(opt->name, " -spin ")) {
15558 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15559 if(max < min) max = min; // enforce consistency
15560 if(def < min) def = min;
15561 if(def > max) def = max;
15566 } else if((p = strstr(opt->name, " -slider "))) {
15567 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15568 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15569 if(max < min) max = min; // enforce consistency
15570 if(def < min) def = min;
15571 if(def > max) def = max;
15575 opt->type = Spin; // Slider;
15576 } else if((p = strstr(opt->name, " -string "))) {
15577 opt->textValue = p+9;
15578 opt->type = TextBox;
15579 } else if((p = strstr(opt->name, " -file "))) {
15580 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15581 opt->textValue = p+7;
15582 opt->type = FileName; // FileName;
15583 } else if((p = strstr(opt->name, " -path "))) {
15584 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15585 opt->textValue = p+7;
15586 opt->type = PathName; // PathName;
15587 } else if(p = strstr(opt->name, " -check ")) {
15588 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15589 opt->value = (def != 0);
15590 opt->type = CheckBox;
15591 } else if(p = strstr(opt->name, " -combo ")) {
15592 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
15593 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15594 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15595 opt->value = n = 0;
15596 while(q = StrStr(q, " /// ")) {
15597 n++; *q = 0; // count choices, and null-terminate each of them
15599 if(*q == '*') { // remember default, which is marked with * prefix
15603 cps->comboList[cps->comboCnt++] = q;
15605 cps->comboList[cps->comboCnt++] = NULL;
15607 opt->type = ComboBox;
15608 } else if(p = strstr(opt->name, " -button")) {
15609 opt->type = Button;
15610 } else if(p = strstr(opt->name, " -save")) {
15611 opt->type = SaveButton;
15612 } else return FALSE;
15613 *p = 0; // terminate option name
15614 // now look if the command-line options define a setting for this engine option.
15615 if(cps->optionSettings && cps->optionSettings[0])
15616 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15617 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15618 snprintf(buf, MSG_SIZ, "option %s", p);
15619 if(p = strstr(buf, ",")) *p = 0;
15620 if(q = strchr(buf, '=')) switch(opt->type) {
15622 for(n=0; n<opt->max; n++)
15623 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15626 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15630 opt->value = atoi(q+1);
15635 SendToProgram(buf, cps);
15641 FeatureDone (ChessProgramState *cps, int val)
15643 DelayedEventCallback cb = GetDelayedEvent();
15644 if ((cb == InitBackEnd3 && cps == &first) ||
15645 (cb == SettingsMenuIfReady && cps == &second) ||
15646 (cb == LoadEngine) ||
15647 (cb == TwoMachinesEventIfReady)) {
15648 CancelDelayedEvent();
15649 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15651 cps->initDone = val;
15654 /* Parse feature command from engine */
15656 ParseFeatures (char *args, ChessProgramState *cps)
15664 while (*p == ' ') p++;
15665 if (*p == NULLCHAR) return;
15667 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15668 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15669 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15670 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15671 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15672 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15673 if (BoolFeature(&p, "reuse", &val, cps)) {
15674 /* Engine can disable reuse, but can't enable it if user said no */
15675 if (!val) cps->reuse = FALSE;
15678 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15679 if (StringFeature(&p, "myname", cps->tidy, cps)) {
15680 if (gameMode == TwoMachinesPlay) {
15681 DisplayTwoMachinesTitle();
15687 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
15688 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15689 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15690 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15691 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15692 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15693 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
15694 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15695 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15696 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15697 if (IntFeature(&p, "done", &val, cps)) {
15698 FeatureDone(cps, val);
15701 /* Added by Tord: */
15702 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15703 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15704 /* End of additions by Tord */
15706 /* [HGM] added features: */
15707 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15708 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15709 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15710 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15711 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15712 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
15713 if (StringFeature(&p, "option", buf, cps)) {
15714 FREE(cps->option[cps->nrOptions].name);
15715 cps->option[cps->nrOptions].name = malloc(MSG_SIZ);
15716 safeStrCpy(cps->option[cps->nrOptions].name, buf, MSG_SIZ);
15717 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15718 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15719 SendToProgram(buf, cps);
15722 if(cps->nrOptions >= MAX_OPTIONS) {
15724 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15725 DisplayError(buf, 0);
15729 /* End of additions by HGM */
15731 /* unknown feature: complain and skip */
15733 while (*q && *q != '=') q++;
15734 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15735 SendToProgram(buf, cps);
15741 while (*p && *p != '\"') p++;
15742 if (*p == '\"') p++;
15744 while (*p && *p != ' ') p++;
15752 PeriodicUpdatesEvent (int newState)
15754 if (newState == appData.periodicUpdates)
15757 appData.periodicUpdates=newState;
15759 /* Display type changes, so update it now */
15760 // DisplayAnalysis();
15762 /* Get the ball rolling again... */
15764 AnalysisPeriodicEvent(1);
15765 StartAnalysisClock();
15770 PonderNextMoveEvent (int newState)
15772 if (newState == appData.ponderNextMove) return;
15773 if (gameMode == EditPosition) EditPositionDone(TRUE);
15775 SendToProgram("hard\n", &first);
15776 if (gameMode == TwoMachinesPlay) {
15777 SendToProgram("hard\n", &second);
15780 SendToProgram("easy\n", &first);
15781 thinkOutput[0] = NULLCHAR;
15782 if (gameMode == TwoMachinesPlay) {
15783 SendToProgram("easy\n", &second);
15786 appData.ponderNextMove = newState;
15790 NewSettingEvent (int option, int *feature, char *command, int value)
15794 if (gameMode == EditPosition) EditPositionDone(TRUE);
15795 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15796 if(feature == NULL || *feature) SendToProgram(buf, &first);
15797 if (gameMode == TwoMachinesPlay) {
15798 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15803 ShowThinkingEvent ()
15804 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15806 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15807 int newState = appData.showThinking
15808 // [HGM] thinking: other features now need thinking output as well
15809 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15811 if (oldState == newState) return;
15812 oldState = newState;
15813 if (gameMode == EditPosition) EditPositionDone(TRUE);
15815 SendToProgram("post\n", &first);
15816 if (gameMode == TwoMachinesPlay) {
15817 SendToProgram("post\n", &second);
15820 SendToProgram("nopost\n", &first);
15821 thinkOutput[0] = NULLCHAR;
15822 if (gameMode == TwoMachinesPlay) {
15823 SendToProgram("nopost\n", &second);
15826 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15830 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
15832 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15833 if (pr == NoProc) return;
15834 AskQuestion(title, question, replyPrefix, pr);
15838 TypeInEvent (char firstChar)
15840 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15841 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15842 gameMode == AnalyzeMode || gameMode == EditGame ||
15843 gameMode == EditPosition || gameMode == IcsExamining ||
15844 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15845 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15846 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15847 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15848 gameMode == Training) PopUpMoveDialog(firstChar);
15852 TypeInDoneEvent (char *move)
15855 int n, fromX, fromY, toX, toY;
15857 ChessMove moveType;
15860 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15861 EditPositionPasteFEN(move);
15864 // [HGM] movenum: allow move number to be typed in any mode
15865 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15869 // undocumented kludge: allow command-line option to be typed in!
15870 // (potentially fatal, and does not implement the effect of the option.)
15871 // should only be used for options that are values on which future decisions will be made,
15872 // and definitely not on options that would be used during initialization.
15873 if(strstr(move, "!!! -") == move) {
15874 ParseArgsFromString(move+4);
15878 if (gameMode != EditGame && currentMove != forwardMostMove &&
15879 gameMode != Training) {
15880 DisplayMoveError(_("Displayed move is not current"));
15882 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15883 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15884 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15885 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15886 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15887 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15889 DisplayMoveError(_("Could not parse move"));
15895 DisplayMove (int moveNumber)
15897 char message[MSG_SIZ];
15899 char cpThinkOutput[MSG_SIZ];
15901 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15903 if (moveNumber == forwardMostMove - 1 ||
15904 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15906 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15908 if (strchr(cpThinkOutput, '\n')) {
15909 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15912 *cpThinkOutput = NULLCHAR;
15915 /* [AS] Hide thinking from human user */
15916 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15917 *cpThinkOutput = NULLCHAR;
15918 if( thinkOutput[0] != NULLCHAR ) {
15921 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15922 cpThinkOutput[i] = '.';
15924 cpThinkOutput[i] = NULLCHAR;
15925 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15929 if (moveNumber == forwardMostMove - 1 &&
15930 gameInfo.resultDetails != NULL) {
15931 if (gameInfo.resultDetails[0] == NULLCHAR) {
15932 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15934 snprintf(res, MSG_SIZ, " {%s} %s",
15935 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15941 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15942 DisplayMessage(res, cpThinkOutput);
15944 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15945 WhiteOnMove(moveNumber) ? " " : ".. ",
15946 parseList[moveNumber], res);
15947 DisplayMessage(message, cpThinkOutput);
15952 DisplayComment (int moveNumber, char *text)
15954 char title[MSG_SIZ];
15956 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15957 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15959 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15960 WhiteOnMove(moveNumber) ? " " : ".. ",
15961 parseList[moveNumber]);
15963 if (text != NULL && (appData.autoDisplayComment || commentUp))
15964 CommentPopUp(title, text);
15967 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15968 * might be busy thinking or pondering. It can be omitted if your
15969 * gnuchess is configured to stop thinking immediately on any user
15970 * input. However, that gnuchess feature depends on the FIONREAD
15971 * ioctl, which does not work properly on some flavors of Unix.
15974 Attention (ChessProgramState *cps)
15977 if (!cps->useSigint) return;
15978 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15979 switch (gameMode) {
15980 case MachinePlaysWhite:
15981 case MachinePlaysBlack:
15982 case TwoMachinesPlay:
15983 case IcsPlayingWhite:
15984 case IcsPlayingBlack:
15987 /* Skip if we know it isn't thinking */
15988 if (!cps->maybeThinking) return;
15989 if (appData.debugMode)
15990 fprintf(debugFP, "Interrupting %s\n", cps->which);
15991 InterruptChildProcess(cps->pr);
15992 cps->maybeThinking = FALSE;
15997 #endif /*ATTENTION*/
16003 if (whiteTimeRemaining <= 0) {
16006 if (appData.icsActive) {
16007 if (appData.autoCallFlag &&
16008 gameMode == IcsPlayingBlack && !blackFlag) {
16009 SendToICS(ics_prefix);
16010 SendToICS("flag\n");
16014 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16016 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16017 if (appData.autoCallFlag) {
16018 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16025 if (blackTimeRemaining <= 0) {
16028 if (appData.icsActive) {
16029 if (appData.autoCallFlag &&
16030 gameMode == IcsPlayingWhite && !whiteFlag) {
16031 SendToICS(ics_prefix);
16032 SendToICS("flag\n");
16036 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16038 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16039 if (appData.autoCallFlag) {
16040 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16051 CheckTimeControl ()
16053 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16054 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16057 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16059 if ( !WhiteOnMove(forwardMostMove) ) {
16060 /* White made time control */
16061 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16062 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16063 /* [HGM] time odds: correct new time quota for time odds! */
16064 / WhitePlayer()->timeOdds;
16065 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16067 lastBlack -= blackTimeRemaining;
16068 /* Black made time control */
16069 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16070 / WhitePlayer()->other->timeOdds;
16071 lastWhite = whiteTimeRemaining;
16076 DisplayBothClocks ()
16078 int wom = gameMode == EditPosition ?
16079 !blackPlaysFirst : WhiteOnMove(currentMove);
16080 DisplayWhiteClock(whiteTimeRemaining, wom);
16081 DisplayBlackClock(blackTimeRemaining, !wom);
16085 /* Timekeeping seems to be a portability nightmare. I think everyone
16086 has ftime(), but I'm really not sure, so I'm including some ifdefs
16087 to use other calls if you don't. Clocks will be less accurate if
16088 you have neither ftime nor gettimeofday.
16091 /* VS 2008 requires the #include outside of the function */
16092 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16093 #include <sys/timeb.h>
16096 /* Get the current time as a TimeMark */
16098 GetTimeMark (TimeMark *tm)
16100 #if HAVE_GETTIMEOFDAY
16102 struct timeval timeVal;
16103 struct timezone timeZone;
16105 gettimeofday(&timeVal, &timeZone);
16106 tm->sec = (long) timeVal.tv_sec;
16107 tm->ms = (int) (timeVal.tv_usec / 1000L);
16109 #else /*!HAVE_GETTIMEOFDAY*/
16112 // include <sys/timeb.h> / moved to just above start of function
16113 struct timeb timeB;
16116 tm->sec = (long) timeB.time;
16117 tm->ms = (int) timeB.millitm;
16119 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16120 tm->sec = (long) time(NULL);
16126 /* Return the difference in milliseconds between two
16127 time marks. We assume the difference will fit in a long!
16130 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16132 return 1000L*(tm2->sec - tm1->sec) +
16133 (long) (tm2->ms - tm1->ms);
16138 * Code to manage the game clocks.
16140 * In tournament play, black starts the clock and then white makes a move.
16141 * We give the human user a slight advantage if he is playing white---the
16142 * clocks don't run until he makes his first move, so it takes zero time.
16143 * Also, we don't account for network lag, so we could get out of sync
16144 * with GNU Chess's clock -- but then, referees are always right.
16147 static TimeMark tickStartTM;
16148 static long intendedTickLength;
16151 NextTickLength (long timeRemaining)
16153 long nominalTickLength, nextTickLength;
16155 if (timeRemaining > 0L && timeRemaining <= 10000L)
16156 nominalTickLength = 100L;
16158 nominalTickLength = 1000L;
16159 nextTickLength = timeRemaining % nominalTickLength;
16160 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16162 return nextTickLength;
16165 /* Adjust clock one minute up or down */
16167 AdjustClock (Boolean which, int dir)
16169 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16170 if(which) blackTimeRemaining += 60000*dir;
16171 else whiteTimeRemaining += 60000*dir;
16172 DisplayBothClocks();
16173 adjustedClock = TRUE;
16176 /* Stop clocks and reset to a fresh time control */
16180 (void) StopClockTimer();
16181 if (appData.icsActive) {
16182 whiteTimeRemaining = blackTimeRemaining = 0;
16183 } else if (searchTime) {
16184 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16185 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16186 } else { /* [HGM] correct new time quote for time odds */
16187 whiteTC = blackTC = fullTimeControlString;
16188 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16189 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16191 if (whiteFlag || blackFlag) {
16193 whiteFlag = blackFlag = FALSE;
16195 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16196 DisplayBothClocks();
16197 adjustedClock = FALSE;
16200 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16202 /* Decrement running clock by amount of time that has passed */
16206 long timeRemaining;
16207 long lastTickLength, fudge;
16210 if (!appData.clockMode) return;
16211 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16215 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16217 /* Fudge if we woke up a little too soon */
16218 fudge = intendedTickLength - lastTickLength;
16219 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16221 if (WhiteOnMove(forwardMostMove)) {
16222 if(whiteNPS >= 0) lastTickLength = 0;
16223 timeRemaining = whiteTimeRemaining -= lastTickLength;
16224 if(timeRemaining < 0 && !appData.icsActive) {
16225 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16226 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16227 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16228 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16231 DisplayWhiteClock(whiteTimeRemaining - fudge,
16232 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16234 if(blackNPS >= 0) lastTickLength = 0;
16235 timeRemaining = blackTimeRemaining -= lastTickLength;
16236 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16237 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16239 blackStartMove = forwardMostMove;
16240 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16243 DisplayBlackClock(blackTimeRemaining - fudge,
16244 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16246 if (CheckFlags()) return;
16248 if(twoBoards) { // count down secondary board's clocks as well
16249 activePartnerTime -= lastTickLength;
16251 if(activePartner == 'W')
16252 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16254 DisplayBlackClock(activePartnerTime, TRUE);
16259 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16260 StartClockTimer(intendedTickLength);
16262 /* if the time remaining has fallen below the alarm threshold, sound the
16263 * alarm. if the alarm has sounded and (due to a takeback or time control
16264 * with increment) the time remaining has increased to a level above the
16265 * threshold, reset the alarm so it can sound again.
16268 if (appData.icsActive && appData.icsAlarm) {
16270 /* make sure we are dealing with the user's clock */
16271 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16272 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16275 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16276 alarmSounded = FALSE;
16277 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16279 alarmSounded = TRUE;
16285 /* A player has just moved, so stop the previously running
16286 clock and (if in clock mode) start the other one.
16287 We redisplay both clocks in case we're in ICS mode, because
16288 ICS gives us an update to both clocks after every move.
16289 Note that this routine is called *after* forwardMostMove
16290 is updated, so the last fractional tick must be subtracted
16291 from the color that is *not* on move now.
16294 SwitchClocks (int newMoveNr)
16296 long lastTickLength;
16298 int flagged = FALSE;
16302 if (StopClockTimer() && appData.clockMode) {
16303 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16304 if (!WhiteOnMove(forwardMostMove)) {
16305 if(blackNPS >= 0) lastTickLength = 0;
16306 blackTimeRemaining -= lastTickLength;
16307 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16308 // if(pvInfoList[forwardMostMove].time == -1)
16309 pvInfoList[forwardMostMove].time = // use GUI time
16310 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16312 if(whiteNPS >= 0) lastTickLength = 0;
16313 whiteTimeRemaining -= lastTickLength;
16314 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16315 // if(pvInfoList[forwardMostMove].time == -1)
16316 pvInfoList[forwardMostMove].time =
16317 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16319 flagged = CheckFlags();
16321 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16322 CheckTimeControl();
16324 if (flagged || !appData.clockMode) return;
16326 switch (gameMode) {
16327 case MachinePlaysBlack:
16328 case MachinePlaysWhite:
16329 case BeginningOfGame:
16330 if (pausing) return;
16334 case PlayFromGameFile:
16342 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16343 if(WhiteOnMove(forwardMostMove))
16344 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16345 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16349 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16350 whiteTimeRemaining : blackTimeRemaining);
16351 StartClockTimer(intendedTickLength);
16355 /* Stop both clocks */
16359 long lastTickLength;
16362 if (!StopClockTimer()) return;
16363 if (!appData.clockMode) return;
16367 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16368 if (WhiteOnMove(forwardMostMove)) {
16369 if(whiteNPS >= 0) lastTickLength = 0;
16370 whiteTimeRemaining -= lastTickLength;
16371 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16373 if(blackNPS >= 0) lastTickLength = 0;
16374 blackTimeRemaining -= lastTickLength;
16375 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16380 /* Start clock of player on move. Time may have been reset, so
16381 if clock is already running, stop and restart it. */
16385 (void) StopClockTimer(); /* in case it was running already */
16386 DisplayBothClocks();
16387 if (CheckFlags()) return;
16389 if (!appData.clockMode) return;
16390 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16392 GetTimeMark(&tickStartTM);
16393 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16394 whiteTimeRemaining : blackTimeRemaining);
16396 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16397 whiteNPS = blackNPS = -1;
16398 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16399 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16400 whiteNPS = first.nps;
16401 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16402 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16403 blackNPS = first.nps;
16404 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16405 whiteNPS = second.nps;
16406 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16407 blackNPS = second.nps;
16408 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16410 StartClockTimer(intendedTickLength);
16414 TimeString (long ms)
16416 long second, minute, hour, day;
16418 static char buf[32];
16420 if (ms > 0 && ms <= 9900) {
16421 /* convert milliseconds to tenths, rounding up */
16422 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16424 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16428 /* convert milliseconds to seconds, rounding up */
16429 /* use floating point to avoid strangeness of integer division
16430 with negative dividends on many machines */
16431 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16438 day = second / (60 * 60 * 24);
16439 second = second % (60 * 60 * 24);
16440 hour = second / (60 * 60);
16441 second = second % (60 * 60);
16442 minute = second / 60;
16443 second = second % 60;
16446 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16447 sign, day, hour, minute, second);
16449 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16451 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16458 * This is necessary because some C libraries aren't ANSI C compliant yet.
16461 StrStr (char *string, char *match)
16465 length = strlen(match);
16467 for (i = strlen(string) - length; i >= 0; i--, string++)
16468 if (!strncmp(match, string, length))
16475 StrCaseStr (char *string, char *match)
16479 length = strlen(match);
16481 for (i = strlen(string) - length; i >= 0; i--, string++) {
16482 for (j = 0; j < length; j++) {
16483 if (ToLower(match[j]) != ToLower(string[j]))
16486 if (j == length) return string;
16494 StrCaseCmp (char *s1, char *s2)
16499 c1 = ToLower(*s1++);
16500 c2 = ToLower(*s2++);
16501 if (c1 > c2) return 1;
16502 if (c1 < c2) return -1;
16503 if (c1 == NULLCHAR) return 0;
16511 return isupper(c) ? tolower(c) : c;
16518 return islower(c) ? toupper(c) : c;
16520 #endif /* !_amigados */
16527 if ((ret = (char *) malloc(strlen(s) + 1)))
16529 safeStrCpy(ret, s, strlen(s)+1);
16535 StrSavePtr (char *s, char **savePtr)
16540 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16541 safeStrCpy(*savePtr, s, strlen(s)+1);
16553 clock = time((time_t *)NULL);
16554 tm = localtime(&clock);
16555 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16556 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16557 return StrSave(buf);
16562 PositionToFEN (int move, char *overrideCastling)
16564 int i, j, fromX, fromY, toX, toY;
16571 whiteToPlay = (gameMode == EditPosition) ?
16572 !blackPlaysFirst : (move % 2 == 0);
16575 /* Piece placement data */
16576 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16577 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16579 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16580 if (boards[move][i][j] == EmptySquare) {
16582 } else { ChessSquare piece = boards[move][i][j];
16583 if (emptycount > 0) {
16584 if(emptycount<10) /* [HGM] can be >= 10 */
16585 *p++ = '0' + emptycount;
16586 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16589 if(PieceToChar(piece) == '+') {
16590 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16592 piece = (ChessSquare)(DEMOTED piece);
16594 *p++ = PieceToChar(piece);
16596 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16597 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16602 if (emptycount > 0) {
16603 if(emptycount<10) /* [HGM] can be >= 10 */
16604 *p++ = '0' + emptycount;
16605 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16612 /* [HGM] print Crazyhouse or Shogi holdings */
16613 if( gameInfo.holdingsWidth ) {
16614 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16616 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16617 piece = boards[move][i][BOARD_WIDTH-1];
16618 if( piece != EmptySquare )
16619 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16620 *p++ = PieceToChar(piece);
16622 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16623 piece = boards[move][BOARD_HEIGHT-i-1][0];
16624 if( piece != EmptySquare )
16625 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16626 *p++ = PieceToChar(piece);
16629 if( q == p ) *p++ = '-';
16635 *p++ = whiteToPlay ? 'w' : 'b';
16638 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16639 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16641 if(nrCastlingRights) {
16643 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16644 /* [HGM] write directly from rights */
16645 if(boards[move][CASTLING][2] != NoRights &&
16646 boards[move][CASTLING][0] != NoRights )
16647 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16648 if(boards[move][CASTLING][2] != NoRights &&
16649 boards[move][CASTLING][1] != NoRights )
16650 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16651 if(boards[move][CASTLING][5] != NoRights &&
16652 boards[move][CASTLING][3] != NoRights )
16653 *p++ = boards[move][CASTLING][3] + AAA;
16654 if(boards[move][CASTLING][5] != NoRights &&
16655 boards[move][CASTLING][4] != NoRights )
16656 *p++ = boards[move][CASTLING][4] + AAA;
16659 /* [HGM] write true castling rights */
16660 if( nrCastlingRights == 6 ) {
16661 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16662 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16663 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16664 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16665 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16666 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16667 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16668 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16671 if (q == p) *p++ = '-'; /* No castling rights */
16675 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16676 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16677 /* En passant target square */
16678 if (move > backwardMostMove) {
16679 fromX = moveList[move - 1][0] - AAA;
16680 fromY = moveList[move - 1][1] - ONE;
16681 toX = moveList[move - 1][2] - AAA;
16682 toY = moveList[move - 1][3] - ONE;
16683 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16684 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16685 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16687 /* 2-square pawn move just happened */
16689 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16693 } else if(move == backwardMostMove) {
16694 // [HGM] perhaps we should always do it like this, and forget the above?
16695 if((signed char)boards[move][EP_STATUS] >= 0) {
16696 *p++ = boards[move][EP_STATUS] + AAA;
16697 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16708 /* [HGM] find reversible plies */
16709 { int i = 0, j=move;
16711 if (appData.debugMode) { int k;
16712 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16713 for(k=backwardMostMove; k<=forwardMostMove; k++)
16714 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16718 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16719 if( j == backwardMostMove ) i += initialRulePlies;
16720 sprintf(p, "%d ", i);
16721 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16723 /* Fullmove number */
16724 sprintf(p, "%d", (move / 2) + 1);
16726 return StrSave(buf);
16730 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
16739 /* [HGM] by default clear Crazyhouse holdings, if present */
16740 if(gameInfo.holdingsWidth) {
16741 for(i=0; i<BOARD_HEIGHT; i++) {
16742 board[i][0] = EmptySquare; /* black holdings */
16743 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16744 board[i][1] = (ChessSquare) 0; /* black counts */
16745 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16749 /* Piece placement data */
16750 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16753 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16754 if (*p == '/') p++;
16755 emptycount = gameInfo.boardWidth - j;
16756 while (emptycount--)
16757 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16759 #if(BOARD_FILES >= 10)
16760 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16761 p++; emptycount=10;
16762 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16763 while (emptycount--)
16764 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16766 } else if (isdigit(*p)) {
16767 emptycount = *p++ - '0';
16768 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16769 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16770 while (emptycount--)
16771 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16772 } else if (*p == '+' || isalpha(*p)) {
16773 if (j >= gameInfo.boardWidth) return FALSE;
16775 piece = CharToPiece(*++p);
16776 if(piece == EmptySquare) return FALSE; /* unknown piece */
16777 piece = (ChessSquare) (PROMOTED piece ); p++;
16778 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16779 } else piece = CharToPiece(*p++);
16781 if(piece==EmptySquare) return FALSE; /* unknown piece */
16782 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16783 piece = (ChessSquare) (PROMOTED piece);
16784 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16787 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16793 while (*p == '/' || *p == ' ') p++;
16795 /* [HGM] look for Crazyhouse holdings here */
16796 while(*p==' ') p++;
16797 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16799 if(*p == '-' ) p++; /* empty holdings */ else {
16800 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16801 /* if we would allow FEN reading to set board size, we would */
16802 /* have to add holdings and shift the board read so far here */
16803 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16805 if((int) piece >= (int) BlackPawn ) {
16806 i = (int)piece - (int)BlackPawn;
16807 i = PieceToNumber((ChessSquare)i);
16808 if( i >= gameInfo.holdingsSize ) return FALSE;
16809 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16810 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16812 i = (int)piece - (int)WhitePawn;
16813 i = PieceToNumber((ChessSquare)i);
16814 if( i >= gameInfo.holdingsSize ) return FALSE;
16815 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16816 board[i][BOARD_WIDTH-2]++; /* black holdings */
16823 while(*p == ' ') p++;
16827 if(appData.colorNickNames) {
16828 if( c == appData.colorNickNames[0] ) c = 'w'; else
16829 if( c == appData.colorNickNames[1] ) c = 'b';
16833 *blackPlaysFirst = FALSE;
16836 *blackPlaysFirst = TRUE;
16842 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16843 /* return the extra info in global variiables */
16845 /* set defaults in case FEN is incomplete */
16846 board[EP_STATUS] = EP_UNKNOWN;
16847 for(i=0; i<nrCastlingRights; i++ ) {
16848 board[CASTLING][i] =
16849 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16850 } /* assume possible unless obviously impossible */
16851 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16852 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16853 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16854 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16855 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16856 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16857 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16858 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16861 while(*p==' ') p++;
16862 if(nrCastlingRights) {
16863 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16864 /* castling indicator present, so default becomes no castlings */
16865 for(i=0; i<nrCastlingRights; i++ ) {
16866 board[CASTLING][i] = NoRights;
16869 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16870 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16871 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16872 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16873 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
16875 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16876 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16877 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16879 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16880 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16881 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16882 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16883 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16884 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16887 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16888 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16889 board[CASTLING][2] = whiteKingFile;
16892 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16893 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16894 board[CASTLING][2] = whiteKingFile;
16897 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16898 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16899 board[CASTLING][5] = blackKingFile;
16902 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16903 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16904 board[CASTLING][5] = blackKingFile;
16907 default: /* FRC castlings */
16908 if(c >= 'a') { /* black rights */
16909 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16910 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16911 if(i == BOARD_RGHT) break;
16912 board[CASTLING][5] = i;
16914 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16915 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16917 board[CASTLING][3] = c;
16919 board[CASTLING][4] = c;
16920 } else { /* white rights */
16921 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16922 if(board[0][i] == WhiteKing) break;
16923 if(i == BOARD_RGHT) break;
16924 board[CASTLING][2] = i;
16925 c -= AAA - 'a' + 'A';
16926 if(board[0][c] >= WhiteKing) break;
16928 board[CASTLING][0] = c;
16930 board[CASTLING][1] = c;
16934 for(i=0; i<nrCastlingRights; i++)
16935 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16936 if (appData.debugMode) {
16937 fprintf(debugFP, "FEN castling rights:");
16938 for(i=0; i<nrCastlingRights; i++)
16939 fprintf(debugFP, " %d", board[CASTLING][i]);
16940 fprintf(debugFP, "\n");
16943 while(*p==' ') p++;
16946 /* read e.p. field in games that know e.p. capture */
16947 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16948 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16950 p++; board[EP_STATUS] = EP_NONE;
16952 char c = *p++ - AAA;
16954 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16955 if(*p >= '0' && *p <='9') p++;
16956 board[EP_STATUS] = c;
16961 if(sscanf(p, "%d", &i) == 1) {
16962 FENrulePlies = i; /* 50-move ply counter */
16963 /* (The move number is still ignored) */
16970 EditPositionPasteFEN (char *fen)
16973 Board initial_position;
16975 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16976 DisplayError(_("Bad FEN position in clipboard"), 0);
16979 int savedBlackPlaysFirst = blackPlaysFirst;
16980 EditPositionEvent();
16981 blackPlaysFirst = savedBlackPlaysFirst;
16982 CopyBoard(boards[0], initial_position);
16983 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16984 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16985 DisplayBothClocks();
16986 DrawPosition(FALSE, boards[currentMove]);
16991 static char cseq[12] = "\\ ";
16994 set_cont_sequence (char *new_seq)
16999 // handle bad attempts to set the sequence
17001 return 0; // acceptable error - no debug
17003 len = strlen(new_seq);
17004 ret = (len > 0) && (len < sizeof(cseq));
17006 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17007 else if (appData.debugMode)
17008 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17013 reformat a source message so words don't cross the width boundary. internal
17014 newlines are not removed. returns the wrapped size (no null character unless
17015 included in source message). If dest is NULL, only calculate the size required
17016 for the dest buffer. lp argument indicats line position upon entry, and it's
17017 passed back upon exit.
17020 wrap (char *dest, char *src, int count, int width, int *lp)
17022 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17024 cseq_len = strlen(cseq);
17025 old_line = line = *lp;
17026 ansi = len = clen = 0;
17028 for (i=0; i < count; i++)
17030 if (src[i] == '\033')
17033 // if we hit the width, back up
17034 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17036 // store i & len in case the word is too long
17037 old_i = i, old_len = len;
17039 // find the end of the last word
17040 while (i && src[i] != ' ' && src[i] != '\n')
17046 // word too long? restore i & len before splitting it
17047 if ((old_i-i+clen) >= width)
17054 if (i && src[i-1] == ' ')
17057 if (src[i] != ' ' && src[i] != '\n')
17064 // now append the newline and continuation sequence
17069 strncpy(dest+len, cseq, cseq_len);
17077 dest[len] = src[i];
17081 if (src[i] == '\n')
17086 if (dest && appData.debugMode)
17088 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17089 count, width, line, len, *lp);
17090 show_bytes(debugFP, src, count);
17091 fprintf(debugFP, "\ndest: ");
17092 show_bytes(debugFP, dest, len);
17093 fprintf(debugFP, "\n");
17095 *lp = dest ? line : old_line;
17100 // [HGM] vari: routines for shelving variations
17101 Boolean modeRestore = FALSE;
17104 PushInner (int firstMove, int lastMove)
17106 int i, j, nrMoves = lastMove - firstMove;
17108 // push current tail of game on stack
17109 savedResult[storedGames] = gameInfo.result;
17110 savedDetails[storedGames] = gameInfo.resultDetails;
17111 gameInfo.resultDetails = NULL;
17112 savedFirst[storedGames] = firstMove;
17113 savedLast [storedGames] = lastMove;
17114 savedFramePtr[storedGames] = framePtr;
17115 framePtr -= nrMoves; // reserve space for the boards
17116 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17117 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17118 for(j=0; j<MOVE_LEN; j++)
17119 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17120 for(j=0; j<2*MOVE_LEN; j++)
17121 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17122 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17123 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17124 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17125 pvInfoList[firstMove+i-1].depth = 0;
17126 commentList[framePtr+i] = commentList[firstMove+i];
17127 commentList[firstMove+i] = NULL;
17131 forwardMostMove = firstMove; // truncate game so we can start variation
17135 PushTail (int firstMove, int lastMove)
17137 if(appData.icsActive) { // only in local mode
17138 forwardMostMove = currentMove; // mimic old ICS behavior
17141 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17143 PushInner(firstMove, lastMove);
17144 if(storedGames == 1) GreyRevert(FALSE);
17145 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17149 PopInner (Boolean annotate)
17152 char buf[8000], moveBuf[20];
17154 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17155 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17156 nrMoves = savedLast[storedGames] - currentMove;
17159 if(!WhiteOnMove(currentMove))
17160 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17161 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17162 for(i=currentMove; i<forwardMostMove; i++) {
17164 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17165 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17166 strcat(buf, moveBuf);
17167 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17168 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17172 for(i=1; i<=nrMoves; i++) { // copy last variation back
17173 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17174 for(j=0; j<MOVE_LEN; j++)
17175 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17176 for(j=0; j<2*MOVE_LEN; j++)
17177 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17178 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17179 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17180 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17181 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17182 commentList[currentMove+i] = commentList[framePtr+i];
17183 commentList[framePtr+i] = NULL;
17185 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17186 framePtr = savedFramePtr[storedGames];
17187 gameInfo.result = savedResult[storedGames];
17188 if(gameInfo.resultDetails != NULL) {
17189 free(gameInfo.resultDetails);
17191 gameInfo.resultDetails = savedDetails[storedGames];
17192 forwardMostMove = currentMove + nrMoves;
17196 PopTail (Boolean annotate)
17198 if(appData.icsActive) return FALSE; // only in local mode
17199 if(!storedGames) return FALSE; // sanity
17200 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17202 PopInner(annotate);
17203 if(currentMove < forwardMostMove) ForwardEvent(); else
17204 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17206 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17212 { // remove all shelved variations
17214 for(i=0; i<storedGames; i++) {
17215 if(savedDetails[i])
17216 free(savedDetails[i]);
17217 savedDetails[i] = NULL;
17219 for(i=framePtr; i<MAX_MOVES; i++) {
17220 if(commentList[i]) free(commentList[i]);
17221 commentList[i] = NULL;
17223 framePtr = MAX_MOVES-1;
17228 LoadVariation (int index, char *text)
17229 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17230 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17231 int level = 0, move;
17233 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17234 // first find outermost bracketing variation
17235 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17236 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17237 if(*p == '{') wait = '}'; else
17238 if(*p == '[') wait = ']'; else
17239 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17240 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17242 if(*p == wait) wait = NULLCHAR; // closing ]} found
17245 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17246 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17247 end[1] = NULLCHAR; // clip off comment beyond variation
17248 ToNrEvent(currentMove-1);
17249 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17250 // kludge: use ParsePV() to append variation to game
17251 move = currentMove;
17252 ParsePV(start, TRUE, TRUE);
17253 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17254 ClearPremoveHighlights();
17256 ToNrEvent(currentMove+1);