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, 2013, 2014, 2015, 2016 Free
9 * Software Foundation, Inc.
11 * Enhancements Copyright 2005 Alessandro Scotti
13 * The following terms apply to Digital Equipment Corporation's copyright
15 * ------------------------------------------------------------------------
18 * Permission to use, copy, modify, and distribute this software and its
19 * documentation for any purpose and without fee is hereby granted,
20 * provided that the above copyright notice appear in all copies and that
21 * both that copyright notice and this permission notice appear in
22 * supporting documentation, and that the name of Digital not be
23 * used in advertising or publicity pertaining to distribution of the
24 * software without specific, written prior permission.
26 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
27 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
28 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
29 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
30 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
31 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
33 * ------------------------------------------------------------------------
35 * The following terms apply to the enhanced version of XBoard
36 * distributed by the Free Software Foundation:
37 * ------------------------------------------------------------------------
39 * GNU XBoard is free software: you can redistribute it and/or modify
40 * it under the terms of the GNU General Public License as published by
41 * the Free Software Foundation, either version 3 of the License, or (at
42 * your option) any later version.
44 * GNU XBoard is distributed in the hope that it will be useful, but
45 * WITHOUT ANY WARRANTY; without even the implied warranty of
46 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
47 * General Public License for more details.
49 * You should have received a copy of the GNU General Public License
50 * along with this program. If not, see http://www.gnu.org/licenses/. *
52 *------------------------------------------------------------------------
53 ** See the file ChangeLog for a revision history. */
55 /* [AS] Also useful here for debugging */
59 int flock(int f, int code);
64 # define EGBB_NAME "egbbdll64.dll"
66 # define EGBB_NAME "egbbdll.dll"
71 # include <sys/file.h>
76 # define EGBB_NAME "egbbso64.so"
78 # define EGBB_NAME "egbbso.so"
80 // kludge to allow Windows code in back-end by converting it to corresponding Linux code
82 # define HMODULE void *
83 # define LoadLibrary(x) dlopen(x, RTLD_LAZY)
84 # define GetProcAddress dlsym
94 #include <sys/types.h>
103 #else /* not STDC_HEADERS */
106 # else /* not HAVE_STRING_H */
107 # include <strings.h>
108 # endif /* not HAVE_STRING_H */
109 #endif /* not STDC_HEADERS */
112 # include <sys/fcntl.h>
113 #else /* not HAVE_SYS_FCNTL_H */
116 # endif /* HAVE_FCNTL_H */
117 #endif /* not HAVE_SYS_FCNTL_H */
119 #if TIME_WITH_SYS_TIME
120 # include <sys/time.h>
124 # include <sys/time.h>
130 #if defined(_amigados) && !defined(__GNUC__)
135 extern int gettimeofday(struct timeval *, struct timezone *);
143 #include "frontend.h"
150 #include "backendz.h"
151 #include "evalgraph.h"
152 #include "engineoutput.h"
156 # define _(s) gettext (s)
157 # define N_(s) gettext_noop (s)
158 # define T_(s) gettext(s)
171 int establish P((void));
172 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
173 char *buf, int count, int error));
174 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
175 char *buf, int count, int error));
176 void SendToICS P((char *s));
177 void SendToICSDelayed P((char *s, long msdelay));
178 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
179 void HandleMachineMove P((char *message, ChessProgramState *cps));
180 int AutoPlayOneMove P((void));
181 int LoadGameOneMove P((ChessMove readAhead));
182 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
183 int LoadPositionFromFile P((char *filename, int n, char *title));
184 int SavePositionToFile P((char *filename));
185 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
186 void ShowMove P((int fromX, int fromY, int toX, int toY));
187 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
188 /*char*/int promoChar));
189 void BackwardInner P((int target));
190 void ForwardInner P((int target));
191 int Adjudicate P((ChessProgramState *cps));
192 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
193 void EditPositionDone P((Boolean fakeRights));
194 void PrintOpponents P((FILE *fp));
195 void PrintPosition P((FILE *fp, int move));
196 void SendToProgram P((char *message, ChessProgramState *cps));
197 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
198 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
199 char *buf, int count, int error));
200 void SendTimeControl P((ChessProgramState *cps,
201 int mps, long tc, int inc, int sd, int st));
202 char *TimeControlTagValue P((void));
203 void Attention P((ChessProgramState *cps));
204 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
205 int ResurrectChessProgram P((void));
206 void DisplayComment P((int moveNumber, char *text));
207 void DisplayMove P((int moveNumber));
209 void ParseGameHistory P((char *game));
210 void ParseBoard12 P((char *string));
211 void KeepAlive P((void));
212 void StartClocks P((void));
213 void SwitchClocks P((int nr));
214 void StopClocks P((void));
215 void ResetClocks P((void));
216 char *PGNDate P((void));
217 void SetGameInfo P((void));
218 int RegisterMove P((void));
219 void MakeRegisteredMove P((void));
220 void TruncateGame P((void));
221 int looking_at P((char *, int *, char *));
222 void CopyPlayerNameIntoFileName P((char **, char *));
223 char *SavePart P((char *));
224 int SaveGameOldStyle P((FILE *));
225 int SaveGamePGN P((FILE *));
226 int CheckFlags P((void));
227 long NextTickLength P((long));
228 void CheckTimeControl P((void));
229 void show_bytes P((FILE *, char *, int));
230 int string_to_rating P((char *str));
231 void ParseFeatures P((char* args, ChessProgramState *cps));
232 void InitBackEnd3 P((void));
233 void FeatureDone P((ChessProgramState* cps, int val));
234 void InitChessProgram P((ChessProgramState *cps, int setup));
235 void OutputKibitz(int window, char *text);
236 int PerpetualChase(int first, int last);
237 int EngineOutputIsUp();
238 void InitDrawingSizes(int x, int y);
239 void NextMatchGame P((void));
240 int NextTourneyGame P((int nr, int *swap));
241 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
242 FILE *WriteTourneyFile P((char *results, FILE *f));
243 void DisplayTwoMachinesTitle P(());
244 static void ExcludeClick P((int index));
245 void ToggleSecond P((void));
246 void PauseEngine P((ChessProgramState *cps));
247 static int NonStandardBoardSize P((VariantClass v, int w, int h, int s));
250 extern void ConsoleCreate();
253 ChessProgramState *WhitePlayer();
254 int VerifyDisplayMode P(());
256 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
257 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
258 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
259 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
260 void ics_update_width P((int new_width));
261 extern char installDir[MSG_SIZ];
262 VariantClass startVariant; /* [HGM] nicks: initial variant */
264 int deadRanks, handSize;
266 extern int tinyLayout, smallLayout;
267 ChessProgramStats programStats;
268 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
270 static int exiting = 0; /* [HGM] moved to top */
271 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
272 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
273 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
274 int partnerHighlight[2];
275 Boolean partnerBoardValid = 0;
276 char partnerStatus[MSG_SIZ];
278 Boolean originalFlip;
279 Boolean twoBoards = 0;
280 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
281 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
282 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
283 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
284 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
285 int opponentKibitzes;
286 int lastSavedGame; /* [HGM] save: ID of game */
287 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
288 extern int chatCount;
290 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
291 char legal[BOARD_RANKS][BOARD_FILES]; /* [HGM] legal target squares */
292 char lastMsg[MSG_SIZ];
293 char lastTalker[MSG_SIZ];
294 ChessSquare pieceSweep = EmptySquare;
295 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
296 int promoDefaultAltered;
297 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
298 static int initPing = -1;
299 int border; /* [HGM] width of board rim, needed to size seek graph */
300 char bestMove[MSG_SIZ], avoidMove[MSG_SIZ];
301 int solvingTime, totalTime;
303 /* States for ics_getting_history */
305 #define H_REQUESTED 1
306 #define H_GOT_REQ_HEADER 2
307 #define H_GOT_UNREQ_HEADER 3
308 #define H_GETTING_MOVES 4
309 #define H_GOT_UNWANTED_HEADER 5
311 /* whosays values for GameEnds */
320 /* Maximum number of games in a cmail message */
321 #define CMAIL_MAX_GAMES 20
323 /* Different types of move when calling RegisterMove */
325 #define CMAIL_RESIGN 1
327 #define CMAIL_ACCEPT 3
329 /* Different types of result to remember for each game */
330 #define CMAIL_NOT_RESULT 0
331 #define CMAIL_OLD_RESULT 1
332 #define CMAIL_NEW_RESULT 2
334 /* Telnet protocol constants */
345 safeStrCpy (char *dst, const char *src, size_t count)
348 assert( dst != NULL );
349 assert( src != NULL );
352 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
353 if( i == count && dst[count-1] != NULLCHAR)
355 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
356 if(appData.debugMode)
357 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
363 /* Some compiler can't cast u64 to double
364 * This function do the job for us:
366 * We use the highest bit for cast, this only
367 * works if the highest bit is not
368 * in use (This should not happen)
370 * We used this for all compiler
373 u64ToDouble (u64 value)
376 u64 tmp = value & u64Const(0x7fffffffffffffff);
377 r = (double)(s64)tmp;
378 if (value & u64Const(0x8000000000000000))
379 r += 9.2233720368547758080e18; /* 2^63 */
383 /* Fake up flags for now, as we aren't keeping track of castling
384 availability yet. [HGM] Change of logic: the flag now only
385 indicates the type of castlings allowed by the rule of the game.
386 The actual rights themselves are maintained in the array
387 castlingRights, as part of the game history, and are not probed
393 int flags = F_ALL_CASTLE_OK;
394 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
395 switch (gameInfo.variant) {
397 flags &= ~F_ALL_CASTLE_OK;
398 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
399 flags |= F_IGNORE_CHECK;
401 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
404 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
406 case VariantKriegspiel:
407 flags |= F_KRIEGSPIEL_CAPTURE;
409 case VariantCapaRandom:
410 case VariantFischeRandom:
411 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
412 case VariantNoCastle:
413 case VariantShatranj:
418 flags &= ~F_ALL_CASTLE_OK;
421 case VariantChuChess:
423 flags |= F_NULL_MOVE;
428 if(appData.fischerCastling) flags |= F_FRC_TYPE_CASTLING, flags &= ~F_ALL_CASTLE_OK; // [HGM] fischer
432 FILE *gameFileFP, *debugFP, *serverFP;
433 char *currentDebugFile; // [HGM] debug split: to remember name
436 [AS] Note: sometimes, the sscanf() function is used to parse the input
437 into a fixed-size buffer. Because of this, we must be prepared to
438 receive strings as long as the size of the input buffer, which is currently
439 set to 4K for Windows and 8K for the rest.
440 So, we must either allocate sufficiently large buffers here, or
441 reduce the size of the input buffer in the input reading part.
444 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
445 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
446 char thinkOutput1[MSG_SIZ*10];
447 char promoRestrict[MSG_SIZ];
449 ChessProgramState first, second, pairing;
451 /* premove variables */
454 int premoveFromX = 0;
455 int premoveFromY = 0;
456 int premovePromoChar = 0;
458 Boolean alarmSounded;
459 /* end premove variables */
461 char *ics_prefix = "$";
462 enum ICS_TYPE ics_type = ICS_GENERIC;
464 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
465 int pauseExamForwardMostMove = 0;
466 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
467 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
468 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
469 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
470 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
471 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
472 int whiteFlag = FALSE, blackFlag = FALSE;
473 int userOfferedDraw = FALSE;
474 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
475 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
476 int cmailMoveType[CMAIL_MAX_GAMES];
477 long ics_clock_paused = 0;
478 ProcRef icsPR = NoProc, cmailPR = NoProc;
479 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
480 GameMode gameMode = BeginningOfGame;
481 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
482 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
483 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
484 int hiddenThinkOutputState = 0; /* [AS] */
485 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
486 int adjudicateLossPlies = 6;
487 char white_holding[64], black_holding[64];
488 TimeMark lastNodeCountTime;
489 long lastNodeCount=0;
490 int shiftKey, controlKey; // [HGM] set by mouse handler
492 int have_sent_ICS_logon = 0;
494 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
495 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
496 Boolean adjustedClock;
497 long timeControl_2; /* [AS] Allow separate time controls */
498 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
499 long timeRemaining[2][MAX_MOVES];
500 int matchGame = 0, nextGame = 0, roundNr = 0;
501 Boolean waitingForGame = FALSE, startingEngine = FALSE;
502 TimeMark programStartTime, pauseStart;
503 char ics_handle[MSG_SIZ];
504 int have_set_title = 0;
506 /* animateTraining preserves the state of appData.animate
507 * when Training mode is activated. This allows the
508 * response to be animated when appData.animate == TRUE and
509 * appData.animateDragging == TRUE.
511 Boolean animateTraining;
517 Board boards[MAX_MOVES];
518 /* [HGM] Following 7 needed for accurate legality tests: */
519 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
520 unsigned char initialRights[BOARD_FILES];
521 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
522 int initialRulePlies, FENrulePlies;
523 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
525 Boolean shuffleOpenings;
526 int mute; // mute all sounds
528 // [HGM] vari: next 12 to save and restore variations
529 #define MAX_VARIATIONS 10
530 int framePtr = MAX_MOVES-1; // points to free stack entry
532 int savedFirst[MAX_VARIATIONS];
533 int savedLast[MAX_VARIATIONS];
534 int savedFramePtr[MAX_VARIATIONS];
535 char *savedDetails[MAX_VARIATIONS];
536 ChessMove savedResult[MAX_VARIATIONS];
538 void PushTail P((int firstMove, int lastMove));
539 Boolean PopTail P((Boolean annotate));
540 void PushInner P((int firstMove, int lastMove));
541 void PopInner P((Boolean annotate));
542 void CleanupTail P((void));
544 ChessSquare FIDEArray[2][BOARD_FILES] = {
545 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
546 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
547 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
548 BlackKing, BlackBishop, BlackKnight, BlackRook }
551 ChessSquare twoKingsArray[2][BOARD_FILES] = {
552 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
553 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
554 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
555 BlackKing, BlackKing, BlackKnight, BlackRook }
558 ChessSquare KnightmateArray[2][BOARD_FILES] = {
559 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
560 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
561 { BlackRook, BlackMan, BlackBishop, BlackQueen,
562 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
565 ChessSquare SpartanArray[2][BOARD_FILES] = {
566 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
567 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
568 { BlackAlfil, BlackDragon, BlackKing, BlackTower,
569 BlackTower, BlackKing, BlackAngel, BlackAlfil }
572 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
573 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
574 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
575 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
576 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
579 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
580 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
581 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
582 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
583 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
586 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
587 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
588 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
589 { BlackRook, BlackKnight, BlackMan, BlackFerz,
590 BlackKing, BlackMan, BlackKnight, BlackRook }
593 ChessSquare aseanArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
594 { WhiteRook, WhiteKnight, WhiteMan, WhiteFerz,
595 WhiteKing, WhiteMan, WhiteKnight, WhiteRook },
596 { BlackRook, BlackKnight, BlackMan, BlackFerz,
597 BlackKing, BlackMan, BlackKnight, BlackRook }
600 ChessSquare lionArray[2][BOARD_FILES] = {
601 { WhiteRook, WhiteLion, WhiteBishop, WhiteQueen,
602 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
603 { BlackRook, BlackLion, BlackBishop, BlackQueen,
604 BlackKing, BlackBishop, BlackKnight, BlackRook }
608 #if (BOARD_FILES>=10)
609 ChessSquare ShogiArray[2][BOARD_FILES] = {
610 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
611 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
612 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
613 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
616 ChessSquare XiangqiArray[2][BOARD_FILES] = {
617 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
618 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
619 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
620 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
623 ChessSquare CapablancaArray[2][BOARD_FILES] = {
624 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
625 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
626 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
627 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
630 ChessSquare GreatArray[2][BOARD_FILES] = {
631 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
632 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
633 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
634 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
637 ChessSquare JanusArray[2][BOARD_FILES] = {
638 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
639 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
640 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
641 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
644 ChessSquare GrandArray[2][BOARD_FILES] = {
645 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
646 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
647 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
648 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
651 ChessSquare ChuChessArray[2][BOARD_FILES] = {
652 { WhiteMan, WhiteKnight, WhiteBishop, WhiteCardinal, WhiteLion,
653 WhiteQueen, WhiteDragon, WhiteBishop, WhiteKnight, WhiteMan },
654 { BlackMan, BlackKnight, BlackBishop, BlackDragon, BlackQueen,
655 BlackLion, BlackCardinal, BlackBishop, BlackKnight, BlackMan }
659 ChessSquare GothicArray[2][BOARD_FILES] = {
660 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
661 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
662 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
663 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
666 #define GothicArray CapablancaArray
670 ChessSquare FalconArray[2][BOARD_FILES] = {
671 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
672 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
673 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
674 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
677 #define FalconArray CapablancaArray
680 #else // !(BOARD_FILES>=10)
681 #define XiangqiPosition FIDEArray
682 #define CapablancaArray FIDEArray
683 #define GothicArray FIDEArray
684 #define GreatArray FIDEArray
685 #endif // !(BOARD_FILES>=10)
687 #if (BOARD_FILES>=12)
688 ChessSquare CourierArray[2][BOARD_FILES] = {
689 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
690 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
691 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
692 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
694 ChessSquare ChuArray[6][BOARD_FILES] = {
695 { WhiteLance, WhiteCat, WhiteCopper, WhiteFerz, WhiteWazir, WhiteKing,
696 WhiteAlfil, WhiteWazir, WhiteFerz, WhiteCopper, WhiteCat, WhiteLance },
697 { BlackLance, BlackCat, BlackCopper, BlackFerz, BlackWazir, BlackAlfil,
698 BlackKing, BlackWazir, BlackFerz, BlackCopper, BlackCat, BlackLance },
699 { WhiteAxe, EmptySquare, WhiteBishop, EmptySquare, WhiteClaw, WhiteMarshall,
700 WhiteAngel, WhiteClaw, EmptySquare, WhiteBishop, EmptySquare, WhiteAxe },
701 { BlackAxe, EmptySquare, BlackBishop, EmptySquare, BlackClaw, BlackAngel,
702 BlackMarshall, BlackClaw, EmptySquare, BlackBishop, EmptySquare, BlackAxe },
703 { WhiteDagger, WhiteSword, WhiteRook, WhiteCardinal, WhiteDragon, WhiteLion,
704 WhiteQueen, WhiteDragon, WhiteCardinal, WhiteRook, WhiteSword, WhiteDagger },
705 { BlackDagger, BlackSword, BlackRook, BlackCardinal, BlackDragon, BlackQueen,
706 BlackLion, BlackDragon, BlackCardinal, BlackRook, BlackSword, BlackDagger }
708 #else // !(BOARD_FILES>=12)
709 #define CourierArray CapablancaArray
710 #define ChuArray CapablancaArray
711 #endif // !(BOARD_FILES>=12)
714 Board initialPosition;
717 /* Convert str to a rating. Checks for special cases of "----",
719 "++++", etc. Also strips ()'s */
721 string_to_rating (char *str)
723 while(*str && !isdigit(*str)) ++str;
725 return 0; /* One of the special "no rating" cases */
733 /* Init programStats */
734 programStats.movelist[0] = 0;
735 programStats.depth = 0;
736 programStats.nr_moves = 0;
737 programStats.moves_left = 0;
738 programStats.nodes = 0;
739 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
740 programStats.score = 0;
741 programStats.got_only_move = 0;
742 programStats.got_fail = 0;
743 programStats.line_is_book = 0;
748 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
749 if (appData.firstPlaysBlack) {
750 first.twoMachinesColor = "black\n";
751 second.twoMachinesColor = "white\n";
753 first.twoMachinesColor = "white\n";
754 second.twoMachinesColor = "black\n";
757 first.other = &second;
758 second.other = &first;
761 if(appData.timeOddsMode) {
762 norm = appData.timeOdds[0];
763 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
765 first.timeOdds = appData.timeOdds[0]/norm;
766 second.timeOdds = appData.timeOdds[1]/norm;
769 if(programVersion) free(programVersion);
770 if (appData.noChessProgram) {
771 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
772 sprintf(programVersion, "%s", PACKAGE_STRING);
774 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
775 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
776 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
781 UnloadEngine (ChessProgramState *cps)
783 /* Kill off first chess program */
784 if (cps->isr != NULL)
785 RemoveInputSource(cps->isr);
788 if (cps->pr != NoProc) {
790 DoSleep( appData.delayBeforeQuit );
791 SendToProgram("quit\n", cps);
792 DestroyChildProcess(cps->pr, 4 + cps->useSigterm);
795 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
799 ClearOptions (ChessProgramState *cps)
802 cps->nrOptions = cps->comboCnt = 0;
803 for(i=0; i<MAX_OPTIONS; i++) {
804 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
805 cps->option[i].textValue = 0;
809 char *engineNames[] = {
810 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
811 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
813 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
814 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
819 InitEngine (ChessProgramState *cps, int n)
820 { // [HGM] all engine initialiation put in a function that does one engine
824 cps->which = engineNames[n];
825 cps->maybeThinking = FALSE;
829 cps->sendDrawOffers = 1;
831 cps->program = appData.chessProgram[n];
832 cps->host = appData.host[n];
833 cps->dir = appData.directory[n];
834 cps->initString = appData.engInitString[n];
835 cps->computerString = appData.computerString[n];
836 cps->useSigint = TRUE;
837 cps->useSigterm = TRUE;
838 cps->reuse = appData.reuse[n];
839 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
840 cps->useSetboard = FALSE;
842 cps->usePing = FALSE;
845 cps->usePlayother = FALSE;
846 cps->useColors = TRUE;
847 cps->useUsermove = FALSE;
848 cps->sendICS = FALSE;
849 cps->sendName = appData.icsActive;
850 cps->sdKludge = FALSE;
851 cps->stKludge = FALSE;
852 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
853 TidyProgramName(cps->program, cps->host, cps->tidy);
855 ASSIGN(cps->variants, appData.noChessProgram ? "" : appData.variant);
856 cps->analysisSupport = 2; /* detect */
857 cps->analyzing = FALSE;
858 cps->initDone = FALSE;
860 cps->pseudo = appData.pseudo[n];
862 /* New features added by Tord: */
863 cps->useFEN960 = FALSE;
864 cps->useOOCastle = TRUE;
865 /* End of new features added by Tord. */
866 cps->fenOverride = appData.fenOverride[n];
868 /* [HGM] time odds: set factor for each machine */
869 cps->timeOdds = appData.timeOdds[n];
871 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
872 cps->accumulateTC = appData.accumulateTC[n];
873 cps->maxNrOfSessions = 1;
878 cps->drawDepth = appData.drawDepth[n];
879 cps->supportsNPS = UNKNOWN;
880 cps->memSize = FALSE;
881 cps->maxCores = FALSE;
882 ASSIGN(cps->egtFormats, "");
885 cps->optionSettings = appData.engOptions[n];
887 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
888 cps->isUCI = appData.isUCI[n]; /* [AS] */
889 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
892 if (appData.protocolVersion[n] > PROTOVER
893 || appData.protocolVersion[n] < 1)
898 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
899 appData.protocolVersion[n]);
900 if( (len >= MSG_SIZ) && appData.debugMode )
901 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
903 DisplayFatalError(buf, 0, 2);
907 cps->protocolVersion = appData.protocolVersion[n];
910 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
911 ParseFeatures(appData.featureDefaults, cps);
914 ChessProgramState *savCps;
922 if(WaitForEngine(savCps, LoadEngine)) return;
923 CommonEngineInit(); // recalculate time odds
924 if(gameInfo.variant != StringToVariant(appData.variant)) {
925 // we changed variant when loading the engine; this forces us to reset
926 Reset(TRUE, savCps != &first);
927 oldMode = BeginningOfGame; // to prevent restoring old mode
929 InitChessProgram(savCps, FALSE);
930 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
931 DisplayMessage("", "");
932 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
933 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
936 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
940 ReplaceEngine (ChessProgramState *cps, int n)
942 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
944 if(oldMode != BeginningOfGame) EditGameEvent();
947 appData.noChessProgram = FALSE;
948 appData.clockMode = TRUE;
951 if(n) return; // only startup first engine immediately; second can wait
952 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
956 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
957 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
959 static char resetOptions[] =
960 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
961 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
962 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 -fd \".\" "
963 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
966 FloatToFront(char **list, char *engineLine)
968 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
970 if(appData.recentEngines <= 0) return;
971 TidyProgramName(engineLine, "localhost", tidy+1);
972 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
973 strncpy(buf+1, *list, MSG_SIZ-50);
974 if(p = strstr(buf, tidy)) { // tidy name appears in list
975 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
976 while(*p++ = *++q); // squeeze out
978 strcat(tidy, buf+1); // put list behind tidy name
979 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
980 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
981 ASSIGN(*list, tidy+1);
984 char *insert, *wbOptions, *currentEngine[2]; // point in ChessProgramNames were we should insert new engine
987 Load (ChessProgramState *cps, int i)
989 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ], buf3[MSG_SIZ], jar;
990 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
991 ASSIGN(currentEngine[i], engineLine);
992 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
993 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
994 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
995 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
996 appData.firstProtocolVersion = PROTOVER;
997 ParseArgsFromString(buf);
999 ReplaceEngine(cps, i);
1000 FloatToFront(&appData.recentEngineList, engineLine);
1001 if(gameMode == BeginningOfGame) Reset(TRUE, TRUE);
1005 while(q = strchr(p, SLASH)) p = q+1;
1006 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
1007 if(engineDir[0] != NULLCHAR) {
1008 ASSIGN(appData.directory[i], engineDir); p = engineName;
1009 } else if(p != engineName) { // derive directory from engine path, when not given
1011 ASSIGN(appData.directory[i], engineName);
1013 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
1014 } else { ASSIGN(appData.directory[i], "."); }
1015 jar = (strstr(p, ".jar") == p + strlen(p) - 4);
1017 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
1018 snprintf(command, MSG_SIZ, "%s %s", p, params);
1021 if(jar) { snprintf(buf3, MSG_SIZ, "java -jar %s", p); p = buf3; }
1022 ASSIGN(appData.chessProgram[i], p);
1023 appData.isUCI[i] = isUCI;
1024 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
1025 appData.hasOwnBookUCI[i] = hasBook;
1026 if(!nickName[0]) useNick = FALSE;
1027 if(useNick) ASSIGN(appData.pgnName[i], nickName);
1031 q = firstChessProgramNames;
1032 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
1033 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
1034 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s",
1035 quote, p, quote, appData.directory[i],
1036 useNick ? " -fn \"" : "",
1037 useNick ? nickName : "",
1038 useNick ? "\"" : "",
1039 v1 ? " -firstProtocolVersion 1" : "",
1040 hasBook ? "" : " -fNoOwnBookUCI",
1041 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
1042 storeVariant ? " -variant " : "",
1043 storeVariant ? VariantName(gameInfo.variant) : "");
1044 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " %s", wbOptions);
1045 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 2);
1046 if(insert != q) insert[-1] = NULLCHAR;
1047 snprintf(firstChessProgramNames, len, "%s\n%s\n%s", q, buf, insert);
1049 FloatToFront(&appData.recentEngineList, buf);
1050 ASSIGN(currentEngine[i], buf);
1052 ReplaceEngine(cps, i);
1058 int matched, min, sec;
1060 * Parse timeControl resource
1062 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
1063 appData.movesPerSession)) {
1065 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
1066 DisplayFatalError(buf, 0, 2);
1070 * Parse searchTime resource
1072 if (*appData.searchTime != NULLCHAR) {
1073 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1075 searchTime = min * 60;
1076 } else if (matched == 2) {
1077 searchTime = min * 60 + sec;
1080 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1081 DisplayFatalError(buf, 0, 2);
1090 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1091 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1093 GetTimeMark(&programStartTime);
1094 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1095 appData.seedBase = random() + (random()<<15);
1096 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1098 ClearProgramStats();
1099 programStats.ok_to_send = 1;
1100 programStats.seen_stat = 0;
1103 * Initialize game list
1109 * Internet chess server status
1111 if (appData.icsActive) {
1112 appData.matchMode = FALSE;
1113 appData.matchGames = 0;
1115 appData.noChessProgram = !appData.zippyPlay;
1117 appData.zippyPlay = FALSE;
1118 appData.zippyTalk = FALSE;
1119 appData.noChessProgram = TRUE;
1121 if (*appData.icsHelper != NULLCHAR) {
1122 appData.useTelnet = TRUE;
1123 appData.telnetProgram = appData.icsHelper;
1126 appData.zippyTalk = appData.zippyPlay = FALSE;
1129 /* [AS] Initialize pv info list [HGM] and game state */
1133 for( i=0; i<=framePtr; i++ ) {
1134 pvInfoList[i].depth = -1;
1135 boards[i][EP_STATUS] = EP_NONE;
1136 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1142 /* [AS] Adjudication threshold */
1143 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1145 InitEngine(&first, 0);
1146 InitEngine(&second, 1);
1149 pairing.which = "pairing"; // pairing engine
1150 pairing.pr = NoProc;
1152 pairing.program = appData.pairingEngine;
1153 pairing.host = "localhost";
1156 if (appData.icsActive) {
1157 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1158 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1159 appData.clockMode = FALSE;
1160 first.sendTime = second.sendTime = 0;
1164 /* Override some settings from environment variables, for backward
1165 compatibility. Unfortunately it's not feasible to have the env
1166 vars just set defaults, at least in xboard. Ugh.
1168 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1173 if (!appData.icsActive) {
1177 /* Check for variants that are supported only in ICS mode,
1178 or not at all. Some that are accepted here nevertheless
1179 have bugs; see comments below.
1181 VariantClass variant = StringToVariant(appData.variant);
1183 case VariantBughouse: /* need four players and two boards */
1184 case VariantKriegspiel: /* need to hide pieces and move details */
1185 /* case VariantFischeRandom: (Fabien: moved below) */
1186 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1187 if( (len >= MSG_SIZ) && appData.debugMode )
1188 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1190 DisplayFatalError(buf, 0, 2);
1193 case VariantUnknown:
1194 case VariantLoadable:
1204 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1205 if( (len >= MSG_SIZ) && appData.debugMode )
1206 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1208 DisplayFatalError(buf, 0, 2);
1211 case VariantNormal: /* definitely works! */
1212 if(strcmp(appData.variant, "normal") && !appData.noChessProgram) { // [HGM] hope this is an engine-defined variant
1213 safeStrCpy(engineVariant, appData.variant, MSG_SIZ);
1216 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1217 case VariantFairy: /* [HGM] TestLegality definitely off! */
1218 case VariantGothic: /* [HGM] should work */
1219 case VariantCapablanca: /* [HGM] should work */
1220 case VariantCourier: /* [HGM] initial forced moves not implemented */
1221 case VariantShogi: /* [HGM] could still mate with pawn drop */
1222 case VariantChu: /* [HGM] experimental */
1223 case VariantKnightmate: /* [HGM] should work */
1224 case VariantCylinder: /* [HGM] untested */
1225 case VariantFalcon: /* [HGM] untested */
1226 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1227 offboard interposition not understood */
1228 case VariantWildCastle: /* pieces not automatically shuffled */
1229 case VariantNoCastle: /* pieces not automatically shuffled */
1230 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1231 case VariantLosers: /* should work except for win condition,
1232 and doesn't know captures are mandatory */
1233 case VariantSuicide: /* should work except for win condition,
1234 and doesn't know captures are mandatory */
1235 case VariantGiveaway: /* should work except for win condition,
1236 and doesn't know captures are mandatory */
1237 case VariantTwoKings: /* should work */
1238 case VariantAtomic: /* should work except for win condition */
1239 case Variant3Check: /* should work except for win condition */
1240 case VariantShatranj: /* should work except for all win conditions */
1241 case VariantMakruk: /* should work except for draw countdown */
1242 case VariantASEAN : /* should work except for draw countdown */
1243 case VariantBerolina: /* might work if TestLegality is off */
1244 case VariantCapaRandom: /* should work */
1245 case VariantJanus: /* should work */
1246 case VariantSuper: /* experimental */
1247 case VariantGreat: /* experimental, requires legality testing to be off */
1248 case VariantSChess: /* S-Chess, should work */
1249 case VariantGrand: /* should work */
1250 case VariantSpartan: /* should work */
1251 case VariantLion: /* should work */
1252 case VariantChuChess: /* should work */
1260 NextIntegerFromString (char ** str, long * value)
1265 while( *s == ' ' || *s == '\t' ) {
1271 if( *s >= '0' && *s <= '9' ) {
1272 while( *s >= '0' && *s <= '9' ) {
1273 *value = *value * 10 + (*s - '0');
1286 NextTimeControlFromString (char ** str, long * value)
1289 int result = NextIntegerFromString( str, &temp );
1292 *value = temp * 60; /* Minutes */
1293 if( **str == ':' ) {
1295 result = NextIntegerFromString( str, &temp );
1296 *value += temp; /* Seconds */
1304 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1305 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1306 int result = -1, type = 0; long temp, temp2;
1308 if(**str != ':') return -1; // old params remain in force!
1310 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1311 if( NextIntegerFromString( str, &temp ) ) return -1;
1312 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1315 /* time only: incremental or sudden-death time control */
1316 if(**str == '+') { /* increment follows; read it */
1318 if(**str == '!') type = *(*str)++; // Bronstein TC
1319 if(result = NextIntegerFromString( str, &temp2)) return -1;
1320 *inc = temp2 * 1000;
1321 if(**str == '.') { // read fraction of increment
1322 char *start = ++(*str);
1323 if(result = NextIntegerFromString( str, &temp2)) return -1;
1325 while(start++ < *str) temp2 /= 10;
1329 *moves = 0; *tc = temp * 1000; *incType = type;
1333 (*str)++; /* classical time control */
1334 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1346 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1347 { /* [HGM] get time to add from the multi-session time-control string */
1348 int incType, moves=1; /* kludge to force reading of first session */
1349 long time, increment;
1352 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1354 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1355 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1356 if(movenr == -1) return time; /* last move before new session */
1357 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1358 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1359 if(!moves) return increment; /* current session is incremental */
1360 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1361 } while(movenr >= -1); /* try again for next session */
1363 return 0; // no new time quota on this move
1367 ParseTimeControl (char *tc, float ti, int mps)
1371 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1374 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1375 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1376 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1380 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1382 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1385 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1387 snprintf(buf, MSG_SIZ, ":%s", mytc);
1389 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1391 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1396 /* Parse second time control */
1399 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1407 timeControl_2 = tc2 * 1000;
1417 timeControl = tc1 * 1000;
1420 timeIncrement = ti * 1000; /* convert to ms */
1421 movesPerSession = 0;
1424 movesPerSession = mps;
1432 if (appData.debugMode) {
1433 # ifdef __GIT_VERSION
1434 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1436 fprintf(debugFP, "Version: %s\n", programVersion);
1439 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1441 set_cont_sequence(appData.wrapContSeq);
1442 if (appData.matchGames > 0) {
1443 appData.matchMode = TRUE;
1444 } else if (appData.matchMode) {
1445 appData.matchGames = 1;
1447 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1448 appData.matchGames = appData.sameColorGames;
1449 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1450 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1451 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1454 if (appData.noChessProgram || first.protocolVersion == 1) {
1457 /* kludge: allow timeout for initial "feature" commands */
1459 DisplayMessage("", _("Starting chess program"));
1460 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1465 CalculateIndex (int index, int gameNr)
1466 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1468 if(index > 0) return index; // fixed nmber
1469 if(index == 0) return 1;
1470 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1471 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1476 LoadGameOrPosition (int gameNr)
1477 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1478 if (*appData.loadGameFile != NULLCHAR) {
1479 if (!LoadGameFromFile(appData.loadGameFile,
1480 CalculateIndex(appData.loadGameIndex, gameNr),
1481 appData.loadGameFile, FALSE)) {
1482 DisplayFatalError(_("Bad game file"), 0, 1);
1485 } else if (*appData.loadPositionFile != NULLCHAR) {
1486 if (!LoadPositionFromFile(appData.loadPositionFile,
1487 CalculateIndex(appData.loadPositionIndex, gameNr),
1488 appData.loadPositionFile)) {
1489 DisplayFatalError(_("Bad position file"), 0, 1);
1497 ReserveGame (int gameNr, char resChar)
1499 FILE *tf = fopen(appData.tourneyFile, "r+");
1500 char *p, *q, c, buf[MSG_SIZ];
1501 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1502 safeStrCpy(buf, lastMsg, MSG_SIZ);
1503 DisplayMessage(_("Pick new game"), "");
1504 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1505 ParseArgsFromFile(tf);
1506 p = q = appData.results;
1507 if(appData.debugMode) {
1508 char *r = appData.participants;
1509 fprintf(debugFP, "results = '%s'\n", p);
1510 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1511 fprintf(debugFP, "\n");
1513 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1515 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1516 safeStrCpy(q, p, strlen(p) + 2);
1517 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1518 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1519 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1520 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1523 fseek(tf, -(strlen(p)+4), SEEK_END);
1525 if(c != '"') // depending on DOS or Unix line endings we can be one off
1526 fseek(tf, -(strlen(p)+2), SEEK_END);
1527 else fseek(tf, -(strlen(p)+3), SEEK_END);
1528 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1529 DisplayMessage(buf, "");
1530 free(p); appData.results = q;
1531 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1532 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1533 int round = appData.defaultMatchGames * appData.tourneyType;
1534 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1535 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1536 UnloadEngine(&first); // next game belongs to other pairing;
1537 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1539 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1543 MatchEvent (int mode)
1544 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1546 if(matchMode) { // already in match mode: switch it off
1548 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1551 // if(gameMode != BeginningOfGame) {
1552 // DisplayError(_("You can only start a match from the initial position."), 0);
1556 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1557 /* Set up machine vs. machine match */
1559 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1560 if(appData.tourneyFile[0]) {
1562 if(nextGame > appData.matchGames) {
1564 if(strchr(appData.results, '*') == NULL) {
1566 appData.tourneyCycles++;
1567 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1569 NextTourneyGame(-1, &dummy);
1571 if(nextGame <= appData.matchGames) {
1572 DisplayNote(_("You restarted an already completed tourney.\nOne more cycle will now be added to it.\nGames commence in 10 sec."));
1574 ScheduleDelayedEvent(NextMatchGame, 10000);
1579 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1580 DisplayError(buf, 0);
1581 appData.tourneyFile[0] = 0;
1585 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1586 DisplayFatalError(_("Can't have a match with no chess programs"),
1591 matchGame = roundNr = 1;
1592 first.matchWins = second.matchWins = totalTime = 0; // [HGM] match: needed in later matches
1597 InitBackEnd3 P((void))
1599 GameMode initialMode;
1603 ParseFeatures(appData.features[0], &first);
1604 if(!appData.icsActive && !appData.noChessProgram && !appData.matchMode && // mode involves only first engine
1605 !strcmp(appData.variant, "normal") && // no explicit variant request
1606 appData.NrRanks == -1 && appData.NrFiles == -1 && appData.holdingsSize == -1 && // no size overrides requested
1607 !SupportedVariant(first.variants, VariantNormal, 8, 8, 0, first.protocolVersion, "") && // but 'normal' won't work with engine
1608 !SupportedVariant(first.variants, VariantFischeRandom, 8, 8, 0, first.protocolVersion, "") ) { // nor will Chess960
1609 char c, *q = first.variants, *p = strchr(q, ',');
1610 if(p) *p = NULLCHAR;
1611 if(StringToVariant(q) != VariantUnknown) { // the engine can play a recognized variant, however
1613 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
1614 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
1615 ASSIGN(appData.variant, q); // fake user requested the first variant played by the engine
1616 Reset(TRUE, FALSE); // and re-initialize
1621 InitChessProgram(&first, startedFromSetupPosition);
1623 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1624 free(programVersion);
1625 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1626 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1627 FloatToFront(&appData.recentEngineList, currentEngine[0] ? currentEngine[0] : appData.firstChessProgram);
1630 if (appData.icsActive) {
1632 /* [DM] Make a console window if needed [HGM] merged ifs */
1638 if (*appData.icsCommPort != NULLCHAR)
1639 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1640 appData.icsCommPort);
1642 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1643 appData.icsHost, appData.icsPort);
1645 if( (len >= MSG_SIZ) && appData.debugMode )
1646 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1648 DisplayFatalError(buf, err, 1);
1653 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1655 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1656 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1657 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1658 } else if (appData.noChessProgram) {
1664 if (*appData.cmailGameName != NULLCHAR) {
1666 OpenLoopback(&cmailPR);
1668 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1672 DisplayMessage("", "");
1673 if (StrCaseCmp(appData.initialMode, "") == 0) {
1674 initialMode = BeginningOfGame;
1675 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1676 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1677 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1678 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1681 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1682 initialMode = TwoMachinesPlay;
1683 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1684 initialMode = AnalyzeFile;
1685 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1686 initialMode = AnalyzeMode;
1687 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1688 initialMode = MachinePlaysWhite;
1689 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1690 initialMode = MachinePlaysBlack;
1691 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1692 initialMode = EditGame;
1693 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1694 initialMode = EditPosition;
1695 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1696 initialMode = Training;
1698 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1699 if( (len >= MSG_SIZ) && appData.debugMode )
1700 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1702 DisplayFatalError(buf, 0, 2);
1706 if (appData.matchMode) {
1707 if(appData.tourneyFile[0]) { // start tourney from command line
1709 if(f = fopen(appData.tourneyFile, "r")) {
1710 ParseArgsFromFile(f); // make sure tourney parmeters re known
1712 appData.clockMode = TRUE;
1714 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1717 } else if (*appData.cmailGameName != NULLCHAR) {
1718 /* Set up cmail mode */
1719 ReloadCmailMsgEvent(TRUE);
1721 /* Set up other modes */
1722 if (initialMode == AnalyzeFile) {
1723 if (*appData.loadGameFile == NULLCHAR) {
1724 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1728 if (*appData.loadGameFile != NULLCHAR) {
1729 (void) LoadGameFromFile(appData.loadGameFile,
1730 appData.loadGameIndex,
1731 appData.loadGameFile, TRUE);
1732 } else if (*appData.loadPositionFile != NULLCHAR) {
1733 (void) LoadPositionFromFile(appData.loadPositionFile,
1734 appData.loadPositionIndex,
1735 appData.loadPositionFile);
1736 /* [HGM] try to make self-starting even after FEN load */
1737 /* to allow automatic setup of fairy variants with wtm */
1738 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1739 gameMode = BeginningOfGame;
1740 setboardSpoiledMachineBlack = 1;
1742 /* [HGM] loadPos: make that every new game uses the setup */
1743 /* from file as long as we do not switch variant */
1744 if(!blackPlaysFirst) {
1745 startedFromPositionFile = TRUE;
1746 CopyBoard(filePosition, boards[0]);
1747 CopyBoard(initialPosition, boards[0]);
1749 } else if(*appData.fen != NULLCHAR) {
1750 if(ParseFEN(filePosition, &blackPlaysFirst, appData.fen, TRUE) && !blackPlaysFirst) {
1751 startedFromPositionFile = TRUE;
1755 if (initialMode == AnalyzeMode) {
1756 if (appData.noChessProgram) {
1757 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1760 if (appData.icsActive) {
1761 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1765 } else if (initialMode == AnalyzeFile) {
1766 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1767 ShowThinkingEvent();
1769 AnalysisPeriodicEvent(1);
1770 } else if (initialMode == MachinePlaysWhite) {
1771 if (appData.noChessProgram) {
1772 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1776 if (appData.icsActive) {
1777 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1781 MachineWhiteEvent();
1782 } else if (initialMode == MachinePlaysBlack) {
1783 if (appData.noChessProgram) {
1784 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1788 if (appData.icsActive) {
1789 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1793 MachineBlackEvent();
1794 } else if (initialMode == TwoMachinesPlay) {
1795 if (appData.noChessProgram) {
1796 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1800 if (appData.icsActive) {
1801 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1806 } else if (initialMode == EditGame) {
1808 } else if (initialMode == EditPosition) {
1809 EditPositionEvent();
1810 } else if (initialMode == Training) {
1811 if (*appData.loadGameFile == NULLCHAR) {
1812 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1821 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1823 DisplayBook(current+1);
1825 MoveHistorySet( movelist, first, last, current, pvInfoList );
1827 EvalGraphSet( first, last, current, pvInfoList );
1829 MakeEngineOutputTitle();
1833 * Establish will establish a contact to a remote host.port.
1834 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1835 * used to talk to the host.
1836 * Returns 0 if okay, error code if not.
1843 if (*appData.icsCommPort != NULLCHAR) {
1844 /* Talk to the host through a serial comm port */
1845 return OpenCommPort(appData.icsCommPort, &icsPR);
1847 } else if (*appData.gateway != NULLCHAR) {
1848 if (*appData.remoteShell == NULLCHAR) {
1849 /* Use the rcmd protocol to run telnet program on a gateway host */
1850 snprintf(buf, sizeof(buf), "%s %s %s",
1851 appData.telnetProgram, appData.icsHost, appData.icsPort);
1852 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1855 /* Use the rsh program to run telnet program on a gateway host */
1856 if (*appData.remoteUser == NULLCHAR) {
1857 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1858 appData.gateway, appData.telnetProgram,
1859 appData.icsHost, appData.icsPort);
1861 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1862 appData.remoteShell, appData.gateway,
1863 appData.remoteUser, appData.telnetProgram,
1864 appData.icsHost, appData.icsPort);
1866 return StartChildProcess(buf, "", &icsPR);
1869 } else if (appData.useTelnet) {
1870 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1873 /* TCP socket interface differs somewhat between
1874 Unix and NT; handle details in the front end.
1876 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1881 EscapeExpand (char *p, char *q)
1882 { // [HGM] initstring: routine to shape up string arguments
1883 while(*p++ = *q++) if(p[-1] == '\\')
1885 case 'n': p[-1] = '\n'; break;
1886 case 'r': p[-1] = '\r'; break;
1887 case 't': p[-1] = '\t'; break;
1888 case '\\': p[-1] = '\\'; break;
1889 case 0: *p = 0; return;
1890 default: p[-1] = q[-1]; break;
1895 show_bytes (FILE *fp, char *buf, int count)
1898 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1899 fprintf(fp, "\\%03o", *buf & 0xff);
1908 /* Returns an errno value */
1910 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1912 char buf[8192], *p, *q, *buflim;
1913 int left, newcount, outcount;
1915 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1916 *appData.gateway != NULLCHAR) {
1917 if (appData.debugMode) {
1918 fprintf(debugFP, ">ICS: ");
1919 show_bytes(debugFP, message, count);
1920 fprintf(debugFP, "\n");
1922 return OutputToProcess(pr, message, count, outError);
1925 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1932 if (appData.debugMode) {
1933 fprintf(debugFP, ">ICS: ");
1934 show_bytes(debugFP, buf, newcount);
1935 fprintf(debugFP, "\n");
1937 outcount = OutputToProcess(pr, buf, newcount, outError);
1938 if (outcount < newcount) return -1; /* to be sure */
1945 } else if (((unsigned char) *p) == TN_IAC) {
1946 *q++ = (char) TN_IAC;
1953 if (appData.debugMode) {
1954 fprintf(debugFP, ">ICS: ");
1955 show_bytes(debugFP, buf, newcount);
1956 fprintf(debugFP, "\n");
1958 outcount = OutputToProcess(pr, buf, newcount, outError);
1959 if (outcount < newcount) return -1; /* to be sure */
1964 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1966 int outError, outCount;
1967 static int gotEof = 0;
1970 /* Pass data read from player on to ICS */
1973 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1974 if (outCount < count) {
1975 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1977 if(have_sent_ICS_logon == 2) {
1978 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1979 fprintf(ini, "%s", message);
1980 have_sent_ICS_logon = 3;
1982 have_sent_ICS_logon = 1;
1983 } else if(have_sent_ICS_logon == 3) {
1984 fprintf(ini, "%s", message);
1986 have_sent_ICS_logon = 1;
1988 } else if (count < 0) {
1989 RemoveInputSource(isr);
1990 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1991 } else if (gotEof++ > 0) {
1992 RemoveInputSource(isr);
1993 DisplayFatalError(_("Got end of file from keyboard"), 0, 666); // [HGM] 666 is kludge to alert front end
1999 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
2000 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
2001 connectionAlive = FALSE; // only sticks if no response to 'date' command.
2002 SendToICS("date\n");
2003 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
2006 /* added routine for printf style output to ics */
2008 ics_printf (char *format, ...)
2010 char buffer[MSG_SIZ];
2013 va_start(args, format);
2014 vsnprintf(buffer, sizeof(buffer), format, args);
2015 buffer[sizeof(buffer)-1] = '\0';
2023 int count, outCount, outError;
2025 if (icsPR == NoProc) return;
2028 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
2029 if (outCount < count) {
2030 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2034 /* This is used for sending logon scripts to the ICS. Sending
2035 without a delay causes problems when using timestamp on ICC
2036 (at least on my machine). */
2038 SendToICSDelayed (char *s, long msdelay)
2040 int count, outCount, outError;
2042 if (icsPR == NoProc) return;
2045 if (appData.debugMode) {
2046 fprintf(debugFP, ">ICS: ");
2047 show_bytes(debugFP, s, count);
2048 fprintf(debugFP, "\n");
2050 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
2052 if (outCount < count) {
2053 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2058 /* Remove all highlighting escape sequences in s
2059 Also deletes any suffix starting with '('
2062 StripHighlightAndTitle (char *s)
2064 static char retbuf[MSG_SIZ];
2067 while (*s != NULLCHAR) {
2068 while (*s == '\033') {
2069 while (*s != NULLCHAR && !isalpha(*s)) s++;
2070 if (*s != NULLCHAR) s++;
2072 while (*s != NULLCHAR && *s != '\033') {
2073 if (*s == '(' || *s == '[') {
2084 /* Remove all highlighting escape sequences in s */
2086 StripHighlight (char *s)
2088 static char retbuf[MSG_SIZ];
2091 while (*s != NULLCHAR) {
2092 while (*s == '\033') {
2093 while (*s != NULLCHAR && !isalpha(*s)) s++;
2094 if (*s != NULLCHAR) s++;
2096 while (*s != NULLCHAR && *s != '\033') {
2104 char engineVariant[MSG_SIZ];
2105 char *variantNames[] = VARIANT_NAMES;
2107 VariantName (VariantClass v)
2109 if(v == VariantUnknown || *engineVariant) return engineVariant;
2110 return variantNames[v];
2114 /* Identify a variant from the strings the chess servers use or the
2115 PGN Variant tag names we use. */
2117 StringToVariant (char *e)
2121 VariantClass v = VariantNormal;
2122 int i, found = FALSE;
2123 char buf[MSG_SIZ], c;
2128 /* [HGM] skip over optional board-size prefixes */
2129 if( sscanf(e, "%dx%d_%c", &i, &i, &c) == 3 ||
2130 sscanf(e, "%dx%d+%d_%c", &i, &i, &i, &c) == 4 ) {
2131 while( *e++ != '_');
2134 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2138 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2139 if (p = StrCaseStr(e, variantNames[i])) {
2140 if(p && i >= VariantShogi && (p != e && !appData.icsActive || isalpha(p[strlen(variantNames[i])]))) continue;
2141 v = (VariantClass) i;
2148 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2149 || StrCaseStr(e, "wild/fr")
2150 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2151 v = VariantFischeRandom;
2152 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2153 (i = 1, p = StrCaseStr(e, "w"))) {
2155 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2162 case 0: /* FICS only, actually */
2164 /* Castling legal even if K starts on d-file */
2165 v = VariantWildCastle;
2170 /* Castling illegal even if K & R happen to start in
2171 normal positions. */
2172 v = VariantNoCastle;
2185 /* Castling legal iff K & R start in normal positions */
2191 /* Special wilds for position setup; unclear what to do here */
2192 v = VariantLoadable;
2195 /* Bizarre ICC game */
2196 v = VariantTwoKings;
2199 v = VariantKriegspiel;
2205 v = VariantFischeRandom;
2208 v = VariantCrazyhouse;
2211 v = VariantBughouse;
2217 /* Not quite the same as FICS suicide! */
2218 v = VariantGiveaway;
2224 v = VariantShatranj;
2227 /* Temporary names for future ICC types. The name *will* change in
2228 the next xboard/WinBoard release after ICC defines it. */
2266 v = VariantCapablanca;
2269 v = VariantKnightmate;
2275 v = VariantCylinder;
2281 v = VariantCapaRandom;
2284 v = VariantBerolina;
2296 /* Found "wild" or "w" in the string but no number;
2297 must assume it's normal chess. */
2301 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2302 if( (len >= MSG_SIZ) && appData.debugMode )
2303 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2305 DisplayError(buf, 0);
2311 if (appData.debugMode) {
2312 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2313 e, wnum, VariantName(v));
2318 static int leftover_start = 0, leftover_len = 0;
2319 char star_match[STAR_MATCH_N][MSG_SIZ];
2321 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2322 advance *index beyond it, and set leftover_start to the new value of
2323 *index; else return FALSE. If pattern contains the character '*', it
2324 matches any sequence of characters not containing '\r', '\n', or the
2325 character following the '*' (if any), and the matched sequence(s) are
2326 copied into star_match.
2329 looking_at ( char *buf, int *index, char *pattern)
2331 char *bufp = &buf[*index], *patternp = pattern;
2333 char *matchp = star_match[0];
2336 if (*patternp == NULLCHAR) {
2337 *index = leftover_start = bufp - buf;
2341 if (*bufp == NULLCHAR) return FALSE;
2342 if (*patternp == '*') {
2343 if (*bufp == *(patternp + 1)) {
2345 matchp = star_match[++star_count];
2349 } else if (*bufp == '\n' || *bufp == '\r') {
2351 if (*patternp == NULLCHAR)
2356 *matchp++ = *bufp++;
2360 if (*patternp != *bufp) return FALSE;
2367 SendToPlayer (char *data, int length)
2369 int error, outCount;
2370 outCount = OutputToProcess(NoProc, data, length, &error);
2371 if (outCount < length) {
2372 DisplayFatalError(_("Error writing to display"), error, 1);
2377 PackHolding (char packed[], char *holding)
2387 switch (runlength) {
2398 sprintf(q, "%d", runlength);
2410 /* Telnet protocol requests from the front end */
2412 TelnetRequest (unsigned char ddww, unsigned char option)
2414 unsigned char msg[3];
2415 int outCount, outError;
2417 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2419 if (appData.debugMode) {
2420 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2436 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2445 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2448 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2453 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2455 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2462 if (!appData.icsActive) return;
2463 TelnetRequest(TN_DO, TN_ECHO);
2469 if (!appData.icsActive) return;
2470 TelnetRequest(TN_DONT, TN_ECHO);
2474 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2476 /* put the holdings sent to us by the server on the board holdings area */
2477 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2481 if(gameInfo.holdingsWidth < 2) return;
2482 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2483 return; // prevent overwriting by pre-board holdings
2485 if( (int)lowestPiece >= BlackPawn ) {
2488 holdingsStartRow = handSize-1;
2491 holdingsColumn = BOARD_WIDTH-1;
2492 countsColumn = BOARD_WIDTH-2;
2493 holdingsStartRow = 0;
2497 for(i=0; i<BOARD_RANKS-1; i++) { /* clear holdings */
2498 board[i][holdingsColumn] = EmptySquare;
2499 board[i][countsColumn] = (ChessSquare) 0;
2501 while( (p=*holdings++) != NULLCHAR ) {
2502 piece = CharToPiece( ToUpper(p) );
2503 if(piece == EmptySquare) continue;
2504 /*j = (int) piece - (int) WhitePawn;*/
2505 j = PieceToNumber(piece);
2506 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2507 if(j < 0) continue; /* should not happen */
2508 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2509 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2510 board[holdingsStartRow+j*direction][countsColumn]++;
2516 VariantSwitch (Board board, VariantClass newVariant)
2518 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2519 static Board oldBoard;
2521 startedFromPositionFile = FALSE;
2522 if(gameInfo.variant == newVariant) return;
2524 /* [HGM] This routine is called each time an assignment is made to
2525 * gameInfo.variant during a game, to make sure the board sizes
2526 * are set to match the new variant. If that means adding or deleting
2527 * holdings, we shift the playing board accordingly
2528 * This kludge is needed because in ICS observe mode, we get boards
2529 * of an ongoing game without knowing the variant, and learn about the
2530 * latter only later. This can be because of the move list we requested,
2531 * in which case the game history is refilled from the beginning anyway,
2532 * but also when receiving holdings of a crazyhouse game. In the latter
2533 * case we want to add those holdings to the already received position.
2537 if (appData.debugMode) {
2538 fprintf(debugFP, "Switch board from %s to %s\n",
2539 VariantName(gameInfo.variant), VariantName(newVariant));
2540 setbuf(debugFP, NULL);
2542 shuffleOpenings = 0; /* [HGM] shuffle */
2543 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2547 newWidth = 9; newHeight = 9;
2548 gameInfo.holdingsSize = 7;
2549 case VariantBughouse:
2550 case VariantCrazyhouse:
2551 newHoldingsWidth = 2; break;
2555 newHoldingsWidth = 2;
2556 gameInfo.holdingsSize = 8;
2559 case VariantCapablanca:
2560 case VariantCapaRandom:
2563 newHoldingsWidth = gameInfo.holdingsSize = 0;
2566 if(newWidth != gameInfo.boardWidth ||
2567 newHeight != gameInfo.boardHeight ||
2568 newHoldingsWidth != gameInfo.holdingsWidth ) {
2570 /* shift position to new playing area, if needed */
2571 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2572 for(i=0; i<BOARD_HEIGHT; i++)
2573 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2574 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2576 for(i=0; i<newHeight; i++) {
2577 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2578 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2580 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2581 for(i=0; i<BOARD_HEIGHT; i++)
2582 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2583 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2586 board[HOLDINGS_SET] = 0;
2587 gameInfo.boardWidth = newWidth;
2588 gameInfo.boardHeight = newHeight;
2589 gameInfo.holdingsWidth = newHoldingsWidth;
2590 gameInfo.variant = newVariant;
2591 InitDrawingSizes(-2, 0);
2592 } else gameInfo.variant = newVariant;
2593 CopyBoard(oldBoard, board); // remember correctly formatted board
2594 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2595 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2598 static int loggedOn = FALSE;
2600 /*-- Game start info cache: --*/
2602 char gs_kind[MSG_SIZ];
2603 static char player1Name[128] = "";
2604 static char player2Name[128] = "";
2605 static char cont_seq[] = "\n\\ ";
2606 static int player1Rating = -1;
2607 static int player2Rating = -1;
2608 /*----------------------------*/
2610 ColorClass curColor = ColorNormal;
2611 int suppressKibitz = 0;
2614 Boolean soughtPending = FALSE;
2615 Boolean seekGraphUp;
2616 #define MAX_SEEK_ADS 200
2618 char *seekAdList[MAX_SEEK_ADS];
2619 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2620 float tcList[MAX_SEEK_ADS];
2621 char colorList[MAX_SEEK_ADS];
2622 int nrOfSeekAds = 0;
2623 int minRating = 1010, maxRating = 2800;
2624 int hMargin = 10, vMargin = 20, h, w;
2625 extern int squareSize, lineGap;
2630 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2631 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2632 if(r < minRating+100 && r >=0 ) r = minRating+100;
2633 if(r > maxRating) r = maxRating;
2634 if(tc < 1.f) tc = 1.f;
2635 if(tc > 95.f) tc = 95.f;
2636 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2637 y = ((double)r - minRating)/(maxRating - minRating)
2638 * (h-vMargin-squareSize/8-1) + vMargin;
2639 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2640 if(strstr(seekAdList[i], " u ")) color = 1;
2641 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2642 !strstr(seekAdList[i], "bullet") &&
2643 !strstr(seekAdList[i], "blitz") &&
2644 !strstr(seekAdList[i], "standard") ) color = 2;
2645 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2646 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2650 PlotSingleSeekAd (int i)
2656 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2658 char buf[MSG_SIZ], *ext = "";
2659 VariantClass v = StringToVariant(type);
2660 if(strstr(type, "wild")) {
2661 ext = type + 4; // append wild number
2662 if(v == VariantFischeRandom) type = "chess960"; else
2663 if(v == VariantLoadable) type = "setup"; else
2664 type = VariantName(v);
2666 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2667 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2668 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2669 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2670 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2671 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2672 seekNrList[nrOfSeekAds] = nr;
2673 zList[nrOfSeekAds] = 0;
2674 seekAdList[nrOfSeekAds++] = StrSave(buf);
2675 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2680 EraseSeekDot (int i)
2682 int x = xList[i], y = yList[i], d=squareSize/4, k;
2683 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2684 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2685 // now replot every dot that overlapped
2686 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2687 int xx = xList[k], yy = yList[k];
2688 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2689 DrawSeekDot(xx, yy, colorList[k]);
2694 RemoveSeekAd (int nr)
2697 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2699 if(seekAdList[i]) free(seekAdList[i]);
2700 seekAdList[i] = seekAdList[--nrOfSeekAds];
2701 seekNrList[i] = seekNrList[nrOfSeekAds];
2702 ratingList[i] = ratingList[nrOfSeekAds];
2703 colorList[i] = colorList[nrOfSeekAds];
2704 tcList[i] = tcList[nrOfSeekAds];
2705 xList[i] = xList[nrOfSeekAds];
2706 yList[i] = yList[nrOfSeekAds];
2707 zList[i] = zList[nrOfSeekAds];
2708 seekAdList[nrOfSeekAds] = NULL;
2714 MatchSoughtLine (char *line)
2716 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2717 int nr, base, inc, u=0; char dummy;
2719 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2720 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2722 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2723 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2724 // match: compact and save the line
2725 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2735 if(!seekGraphUp) return FALSE;
2736 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap + 2*border;
2737 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap + 2*border;
2739 DrawSeekBackground(0, 0, w, h);
2740 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2741 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2742 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2743 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2745 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2748 snprintf(buf, MSG_SIZ, "%d", i);
2749 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2752 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2753 for(i=1; i<100; i+=(i<10?1:5)) {
2754 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2755 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2756 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2758 snprintf(buf, MSG_SIZ, "%d", i);
2759 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2762 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2767 SeekGraphClick (ClickType click, int x, int y, int moving)
2769 static int lastDown = 0, displayed = 0, lastSecond;
2770 if(y < 0) return FALSE;
2771 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2772 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2773 if(!seekGraphUp) return FALSE;
2774 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2775 DrawPosition(TRUE, NULL);
2778 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2779 if(click == Release || moving) return FALSE;
2781 soughtPending = TRUE;
2782 SendToICS(ics_prefix);
2783 SendToICS("sought\n"); // should this be "sought all"?
2784 } else { // issue challenge based on clicked ad
2785 int dist = 10000; int i, closest = 0, second = 0;
2786 for(i=0; i<nrOfSeekAds; i++) {
2787 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2788 if(d < dist) { dist = d; closest = i; }
2789 second += (d - zList[i] < 120); // count in-range ads
2790 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2794 second = (second > 1);
2795 if(displayed != closest || second != lastSecond) {
2796 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2797 lastSecond = second; displayed = closest;
2799 if(click == Press) {
2800 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2803 } // on press 'hit', only show info
2804 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2805 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2806 SendToICS(ics_prefix);
2808 return TRUE; // let incoming board of started game pop down the graph
2809 } else if(click == Release) { // release 'miss' is ignored
2810 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2811 if(moving == 2) { // right up-click
2812 nrOfSeekAds = 0; // refresh graph
2813 soughtPending = TRUE;
2814 SendToICS(ics_prefix);
2815 SendToICS("sought\n"); // should this be "sought all"?
2818 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2819 // press miss or release hit 'pop down' seek graph
2820 seekGraphUp = FALSE;
2821 DrawPosition(TRUE, NULL);
2827 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2829 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2830 #define STARTED_NONE 0
2831 #define STARTED_MOVES 1
2832 #define STARTED_BOARD 2
2833 #define STARTED_OBSERVE 3
2834 #define STARTED_HOLDINGS 4
2835 #define STARTED_CHATTER 5
2836 #define STARTED_COMMENT 6
2837 #define STARTED_MOVES_NOHIDE 7
2839 static int started = STARTED_NONE;
2840 static char parse[20000];
2841 static int parse_pos = 0;
2842 static char buf[BUF_SIZE + 1];
2843 static int firstTime = TRUE, intfSet = FALSE;
2844 static ColorClass prevColor = ColorNormal;
2845 static int savingComment = FALSE;
2846 static int cmatch = 0; // continuation sequence match
2853 int backup; /* [DM] For zippy color lines */
2855 char talker[MSG_SIZ]; // [HGM] chat
2856 int channel, collective=0;
2858 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2860 if (appData.debugMode) {
2862 fprintf(debugFP, "<ICS: ");
2863 show_bytes(debugFP, data, count);
2864 fprintf(debugFP, "\n");
2868 if (appData.debugMode) { int f = forwardMostMove;
2869 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2870 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2871 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2874 /* If last read ended with a partial line that we couldn't parse,
2875 prepend it to the new read and try again. */
2876 if (leftover_len > 0) {
2877 for (i=0; i<leftover_len; i++)
2878 buf[i] = buf[leftover_start + i];
2881 /* copy new characters into the buffer */
2882 bp = buf + leftover_len;
2883 buf_len=leftover_len;
2884 for (i=0; i<count; i++)
2887 if (data[i] == '\r')
2890 // join lines split by ICS?
2891 if (!appData.noJoin)
2894 Joining just consists of finding matches against the
2895 continuation sequence, and discarding that sequence
2896 if found instead of copying it. So, until a match
2897 fails, there's nothing to do since it might be the
2898 complete sequence, and thus, something we don't want
2901 if (data[i] == cont_seq[cmatch])
2904 if (cmatch == strlen(cont_seq))
2906 cmatch = 0; // complete match. just reset the counter
2909 it's possible for the ICS to not include the space
2910 at the end of the last word, making our [correct]
2911 join operation fuse two separate words. the server
2912 does this when the space occurs at the width setting.
2914 if (!buf_len || buf[buf_len-1] != ' ')
2925 match failed, so we have to copy what matched before
2926 falling through and copying this character. In reality,
2927 this will only ever be just the newline character, but
2928 it doesn't hurt to be precise.
2930 strncpy(bp, cont_seq, cmatch);
2942 buf[buf_len] = NULLCHAR;
2943 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2948 while (i < buf_len) {
2949 /* Deal with part of the TELNET option negotiation
2950 protocol. We refuse to do anything beyond the
2951 defaults, except that we allow the WILL ECHO option,
2952 which ICS uses to turn off password echoing when we are
2953 directly connected to it. We reject this option
2954 if localLineEditing mode is on (always on in xboard)
2955 and we are talking to port 23, which might be a real
2956 telnet server that will try to keep WILL ECHO on permanently.
2958 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2959 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2960 unsigned char option;
2962 switch ((unsigned char) buf[++i]) {
2964 if (appData.debugMode)
2965 fprintf(debugFP, "\n<WILL ");
2966 switch (option = (unsigned char) buf[++i]) {
2968 if (appData.debugMode)
2969 fprintf(debugFP, "ECHO ");
2970 /* Reply only if this is a change, according
2971 to the protocol rules. */
2972 if (remoteEchoOption) break;
2973 if (appData.localLineEditing &&
2974 atoi(appData.icsPort) == TN_PORT) {
2975 TelnetRequest(TN_DONT, TN_ECHO);
2978 TelnetRequest(TN_DO, TN_ECHO);
2979 remoteEchoOption = TRUE;
2983 if (appData.debugMode)
2984 fprintf(debugFP, "%d ", option);
2985 /* Whatever this is, we don't want it. */
2986 TelnetRequest(TN_DONT, option);
2991 if (appData.debugMode)
2992 fprintf(debugFP, "\n<WONT ");
2993 switch (option = (unsigned char) buf[++i]) {
2995 if (appData.debugMode)
2996 fprintf(debugFP, "ECHO ");
2997 /* Reply only if this is a change, according
2998 to the protocol rules. */
2999 if (!remoteEchoOption) break;
3001 TelnetRequest(TN_DONT, TN_ECHO);
3002 remoteEchoOption = FALSE;
3005 if (appData.debugMode)
3006 fprintf(debugFP, "%d ", (unsigned char) option);
3007 /* Whatever this is, it must already be turned
3008 off, because we never agree to turn on
3009 anything non-default, so according to the
3010 protocol rules, we don't reply. */
3015 if (appData.debugMode)
3016 fprintf(debugFP, "\n<DO ");
3017 switch (option = (unsigned char) buf[++i]) {
3019 /* Whatever this is, we refuse to do it. */
3020 if (appData.debugMode)
3021 fprintf(debugFP, "%d ", option);
3022 TelnetRequest(TN_WONT, option);
3027 if (appData.debugMode)
3028 fprintf(debugFP, "\n<DONT ");
3029 switch (option = (unsigned char) buf[++i]) {
3031 if (appData.debugMode)
3032 fprintf(debugFP, "%d ", option);
3033 /* Whatever this is, we are already not doing
3034 it, because we never agree to do anything
3035 non-default, so according to the protocol
3036 rules, we don't reply. */
3041 if (appData.debugMode)
3042 fprintf(debugFP, "\n<IAC ");
3043 /* Doubled IAC; pass it through */
3047 if (appData.debugMode)
3048 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
3049 /* Drop all other telnet commands on the floor */
3052 if (oldi > next_out)
3053 SendToPlayer(&buf[next_out], oldi - next_out);
3059 /* OK, this at least will *usually* work */
3060 if (!loggedOn && looking_at(buf, &i, "ics%")) {
3064 if (loggedOn && !intfSet) {
3065 if (ics_type == ICS_ICC) {
3066 snprintf(str, MSG_SIZ,
3067 "/set-quietly interface %s\n/set-quietly style 12\n",
3069 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3070 strcat(str, "/set-2 51 1\n/set seek 1\n");
3071 } else if (ics_type == ICS_CHESSNET) {
3072 snprintf(str, MSG_SIZ, "/style 12\n");
3074 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
3075 strcat(str, programVersion);
3076 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
3077 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3078 strcat(str, "$iset seekremove 1\n$set seek 1\n");
3080 strcat(str, "$iset nohighlight 1\n");
3082 strcat(str, "$iset lock 1\n$style 12\n");
3085 NotifyFrontendLogin();
3089 if (started == STARTED_COMMENT) {
3090 /* Accumulate characters in comment */
3091 parse[parse_pos++] = buf[i];
3092 if (buf[i] == '\n') {
3093 parse[parse_pos] = NULLCHAR;
3094 if(chattingPartner>=0) {
3096 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
3097 OutputChatMessage(chattingPartner, mess);
3098 if(collective == 1) { // broadcasted talk also goes to private chatbox of talker
3100 talker[strlen(talker+1)-1] = NULLCHAR; // strip closing delimiter
3101 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3102 snprintf(mess, MSG_SIZ, "%s: %s", chatPartner[chattingPartner], parse);
3103 OutputChatMessage(p, mess);
3107 chattingPartner = -1;
3108 if(collective != 3) next_out = i+1; // [HGM] suppress printing in ICS window
3111 if(!suppressKibitz) // [HGM] kibitz
3112 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3113 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3114 int nrDigit = 0, nrAlph = 0, j;
3115 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3116 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3117 parse[parse_pos] = NULLCHAR;
3118 // try to be smart: if it does not look like search info, it should go to
3119 // ICS interaction window after all, not to engine-output window.
3120 for(j=0; j<parse_pos; j++) { // count letters and digits
3121 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3122 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3123 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3125 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3126 int depth=0; float score;
3127 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3128 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3129 pvInfoList[forwardMostMove-1].depth = depth;
3130 pvInfoList[forwardMostMove-1].score = 100*score;
3132 OutputKibitz(suppressKibitz, parse);
3135 if(gameMode == IcsObserving) // restore original ICS messages
3136 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3137 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3139 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3140 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3141 SendToPlayer(tmp, strlen(tmp));
3143 next_out = i+1; // [HGM] suppress printing in ICS window
3145 started = STARTED_NONE;
3147 /* Don't match patterns against characters in comment */
3152 if (started == STARTED_CHATTER) {
3153 if (buf[i] != '\n') {
3154 /* Don't match patterns against characters in chatter */
3158 started = STARTED_NONE;
3159 if(suppressKibitz) next_out = i+1;
3162 /* Kludge to deal with rcmd protocol */
3163 if (firstTime && looking_at(buf, &i, "\001*")) {
3164 DisplayFatalError(&buf[1], 0, 1);
3170 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3173 if (appData.debugMode)
3174 fprintf(debugFP, "ics_type %d\n", ics_type);
3177 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3178 ics_type = ICS_FICS;
3180 if (appData.debugMode)
3181 fprintf(debugFP, "ics_type %d\n", ics_type);
3184 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3185 ics_type = ICS_CHESSNET;
3187 if (appData.debugMode)
3188 fprintf(debugFP, "ics_type %d\n", ics_type);
3193 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3194 looking_at(buf, &i, "Logging you in as \"*\"") ||
3195 looking_at(buf, &i, "will be \"*\""))) {
3196 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3200 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3202 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3203 DisplayIcsInteractionTitle(buf);
3204 have_set_title = TRUE;
3207 /* skip finger notes */
3208 if (started == STARTED_NONE &&
3209 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3210 (buf[i] == '1' && buf[i+1] == '0')) &&
3211 buf[i+2] == ':' && buf[i+3] == ' ') {
3212 started = STARTED_CHATTER;
3218 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3219 if(appData.seekGraph) {
3220 if(soughtPending && MatchSoughtLine(buf+i)) {
3221 i = strstr(buf+i, "rated") - buf;
3222 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3223 next_out = leftover_start = i;
3224 started = STARTED_CHATTER;
3225 suppressKibitz = TRUE;
3228 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3229 && looking_at(buf, &i, "* ads displayed")) {
3230 soughtPending = FALSE;
3235 if(appData.autoRefresh) {
3236 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3237 int s = (ics_type == ICS_ICC); // ICC format differs
3239 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3240 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3241 looking_at(buf, &i, "*% "); // eat prompt
3242 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3243 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3244 next_out = i; // suppress
3247 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3248 char *p = star_match[0];
3250 if(seekGraphUp) RemoveSeekAd(atoi(p));
3251 while(*p && *p++ != ' '); // next
3253 looking_at(buf, &i, "*% "); // eat prompt
3254 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3261 /* skip formula vars */
3262 if (started == STARTED_NONE &&
3263 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3264 started = STARTED_CHATTER;
3269 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3270 if (appData.autoKibitz && started == STARTED_NONE &&
3271 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3272 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3273 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3274 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3275 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3276 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3277 suppressKibitz = TRUE;
3278 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3280 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3281 && (gameMode == IcsPlayingWhite)) ||
3282 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3283 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3284 started = STARTED_CHATTER; // own kibitz we simply discard
3286 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3287 parse_pos = 0; parse[0] = NULLCHAR;
3288 savingComment = TRUE;
3289 suppressKibitz = gameMode != IcsObserving ? 2 :
3290 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3294 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3295 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3296 && atoi(star_match[0])) {
3297 // suppress the acknowledgements of our own autoKibitz
3299 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3300 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3301 SendToPlayer(star_match[0], strlen(star_match[0]));
3302 if(looking_at(buf, &i, "*% ")) // eat prompt
3303 suppressKibitz = FALSE;
3307 } // [HGM] kibitz: end of patch
3309 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3311 // [HGM] chat: intercept tells by users for which we have an open chat window
3313 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3314 looking_at(buf, &i, "* whispers:") ||
3315 looking_at(buf, &i, "* kibitzes:") ||
3316 looking_at(buf, &i, "* shouts:") ||
3317 looking_at(buf, &i, "* c-shouts:") ||
3318 looking_at(buf, &i, "--> * ") ||
3319 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3320 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3321 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3322 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3324 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3325 chattingPartner = -1; collective = 0;
3327 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3328 for(p=0; p<MAX_CHAT; p++) {
3330 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3331 talker[0] = '['; strcat(talker, "] ");
3332 Colorize((channel == 1 ? ColorChannel1 : ColorChannel), FALSE);
3333 chattingPartner = p; break;
3336 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3337 for(p=0; p<MAX_CHAT; p++) {
3339 if(!strcmp("kibitzes", chatPartner[p])) {
3340 talker[0] = '['; strcat(talker, "] ");
3341 chattingPartner = p; break;
3344 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3345 for(p=0; p<MAX_CHAT; p++) {
3347 if(!strcmp("whispers", chatPartner[p])) {
3348 talker[0] = '['; strcat(talker, "] ");
3349 chattingPartner = p; break;
3352 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3353 if(buf[i-8] == '-' && buf[i-3] == 't')
3354 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3356 if(!strcmp("c-shouts", chatPartner[p])) {
3357 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3358 chattingPartner = p; break;
3361 if(chattingPartner < 0)
3362 for(p=0; p<MAX_CHAT; p++) {
3364 if(!strcmp("shouts", chatPartner[p])) {
3365 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3366 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3367 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3368 chattingPartner = p; break;
3372 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3373 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3375 Colorize(ColorTell, FALSE);
3376 if(collective) safeStrCpy(talker, "broadcasts: ", MSG_SIZ);
3378 chattingPartner = p; break;
3380 if(chattingPartner<0) i = oldi, safeStrCpy(lastTalker, talker+1, MSG_SIZ); else {
3381 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3382 started = STARTED_COMMENT;
3383 parse_pos = 0; parse[0] = NULLCHAR;
3384 savingComment = 3 + chattingPartner; // counts as TRUE
3385 if(collective == 3) i = oldi; else {
3386 suppressKibitz = TRUE;
3387 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3388 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3392 } // [HGM] chat: end of patch
3395 if (appData.zippyTalk || appData.zippyPlay) {
3396 /* [DM] Backup address for color zippy lines */
3398 if (loggedOn == TRUE)
3399 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3400 (appData.zippyPlay && ZippyMatch(buf, &backup)))
3403 } // [DM] 'else { ' deleted
3405 /* Regular tells and says */
3406 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3407 looking_at(buf, &i, "* (your partner) tells you: ") ||
3408 looking_at(buf, &i, "* says: ") ||
3409 /* Don't color "message" or "messages" output */
3410 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3411 looking_at(buf, &i, "*. * at *:*: ") ||
3412 looking_at(buf, &i, "--* (*:*): ") ||
3413 /* Message notifications (same color as tells) */
3414 looking_at(buf, &i, "* has left a message ") ||
3415 looking_at(buf, &i, "* just sent you a message:\n") ||
3416 /* Whispers and kibitzes */
3417 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3418 looking_at(buf, &i, "* kibitzes: ") ||
3420 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3422 if (tkind == 1 && strchr(star_match[0], ':')) {
3423 /* Avoid "tells you:" spoofs in channels */
3426 if (star_match[0][0] == NULLCHAR ||
3427 strchr(star_match[0], ' ') ||
3428 (tkind == 3 && strchr(star_match[1], ' '))) {
3429 /* Reject bogus matches */
3432 if (appData.colorize) {
3433 if (oldi > next_out) {
3434 SendToPlayer(&buf[next_out], oldi - next_out);
3439 Colorize(ColorTell, FALSE);
3440 curColor = ColorTell;
3443 Colorize(ColorKibitz, FALSE);
3444 curColor = ColorKibitz;
3447 p = strrchr(star_match[1], '(');
3454 Colorize(ColorChannel1, FALSE);
3455 curColor = ColorChannel1;
3457 Colorize(ColorChannel, FALSE);
3458 curColor = ColorChannel;
3462 curColor = ColorNormal;
3466 if (started == STARTED_NONE && appData.autoComment &&
3467 (gameMode == IcsObserving ||
3468 gameMode == IcsPlayingWhite ||
3469 gameMode == IcsPlayingBlack)) {
3470 parse_pos = i - oldi;
3471 memcpy(parse, &buf[oldi], parse_pos);
3472 parse[parse_pos] = NULLCHAR;
3473 started = STARTED_COMMENT;
3474 savingComment = TRUE;
3475 } else if(collective != 3) {
3476 started = STARTED_CHATTER;
3477 savingComment = FALSE;
3484 if (looking_at(buf, &i, "* s-shouts: ") ||
3485 looking_at(buf, &i, "* c-shouts: ")) {
3486 if (appData.colorize) {
3487 if (oldi > next_out) {
3488 SendToPlayer(&buf[next_out], oldi - next_out);
3491 Colorize(ColorSShout, FALSE);
3492 curColor = ColorSShout;
3495 started = STARTED_CHATTER;
3499 if (looking_at(buf, &i, "--->")) {
3504 if (looking_at(buf, &i, "* shouts: ") ||
3505 looking_at(buf, &i, "--> ")) {
3506 if (appData.colorize) {
3507 if (oldi > next_out) {
3508 SendToPlayer(&buf[next_out], oldi - next_out);
3511 Colorize(ColorShout, FALSE);
3512 curColor = ColorShout;
3515 started = STARTED_CHATTER;
3519 if (looking_at( buf, &i, "Challenge:")) {
3520 if (appData.colorize) {
3521 if (oldi > next_out) {
3522 SendToPlayer(&buf[next_out], oldi - next_out);
3525 Colorize(ColorChallenge, FALSE);
3526 curColor = ColorChallenge;
3532 if (looking_at(buf, &i, "* offers you") ||
3533 looking_at(buf, &i, "* offers to be") ||
3534 looking_at(buf, &i, "* would like to") ||
3535 looking_at(buf, &i, "* requests to") ||
3536 looking_at(buf, &i, "Your opponent offers") ||
3537 looking_at(buf, &i, "Your opponent requests")) {
3539 if (appData.colorize) {
3540 if (oldi > next_out) {
3541 SendToPlayer(&buf[next_out], oldi - next_out);
3544 Colorize(ColorRequest, FALSE);
3545 curColor = ColorRequest;
3550 if (looking_at(buf, &i, "* (*) seeking")) {
3551 if (appData.colorize) {
3552 if (oldi > next_out) {
3553 SendToPlayer(&buf[next_out], oldi - next_out);
3556 Colorize(ColorSeek, FALSE);
3557 curColor = ColorSeek;
3562 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3564 if (looking_at(buf, &i, "\\ ")) {
3565 if (prevColor != ColorNormal) {
3566 if (oldi > next_out) {
3567 SendToPlayer(&buf[next_out], oldi - next_out);
3570 Colorize(prevColor, TRUE);
3571 curColor = prevColor;
3573 if (savingComment) {
3574 parse_pos = i - oldi;
3575 memcpy(parse, &buf[oldi], parse_pos);
3576 parse[parse_pos] = NULLCHAR;
3577 started = STARTED_COMMENT;
3578 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3579 chattingPartner = savingComment - 3; // kludge to remember the box
3581 started = STARTED_CHATTER;
3586 if (looking_at(buf, &i, "Black Strength :") ||
3587 looking_at(buf, &i, "<<< style 10 board >>>") ||
3588 looking_at(buf, &i, "<10>") ||
3589 looking_at(buf, &i, "#@#")) {
3590 /* Wrong board style */
3592 SendToICS(ics_prefix);
3593 SendToICS("set style 12\n");
3594 SendToICS(ics_prefix);
3595 SendToICS("refresh\n");
3599 if (looking_at(buf, &i, "login:")) {
3600 if (!have_sent_ICS_logon) {
3602 have_sent_ICS_logon = 1;
3603 else // no init script was found
3604 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3605 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3606 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3611 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3612 (looking_at(buf, &i, "\n<12> ") ||
3613 looking_at(buf, &i, "<12> "))) {
3615 if (oldi > next_out) {
3616 SendToPlayer(&buf[next_out], oldi - next_out);
3619 started = STARTED_BOARD;
3624 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3625 looking_at(buf, &i, "<b1> ")) {
3626 if (oldi > next_out) {
3627 SendToPlayer(&buf[next_out], oldi - next_out);
3630 started = STARTED_HOLDINGS;
3635 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3637 /* Header for a move list -- first line */
3639 switch (ics_getting_history) {
3643 case BeginningOfGame:
3644 /* User typed "moves" or "oldmoves" while we
3645 were idle. Pretend we asked for these
3646 moves and soak them up so user can step
3647 through them and/or save them.
3650 gameMode = IcsObserving;
3653 ics_getting_history = H_GOT_UNREQ_HEADER;
3655 case EditGame: /*?*/
3656 case EditPosition: /*?*/
3657 /* Should above feature work in these modes too? */
3658 /* For now it doesn't */
3659 ics_getting_history = H_GOT_UNWANTED_HEADER;
3662 ics_getting_history = H_GOT_UNWANTED_HEADER;
3667 /* Is this the right one? */
3668 if (gameInfo.white && gameInfo.black &&
3669 strcmp(gameInfo.white, star_match[0]) == 0 &&
3670 strcmp(gameInfo.black, star_match[2]) == 0) {
3672 ics_getting_history = H_GOT_REQ_HEADER;
3675 case H_GOT_REQ_HEADER:
3676 case H_GOT_UNREQ_HEADER:
3677 case H_GOT_UNWANTED_HEADER:
3678 case H_GETTING_MOVES:
3679 /* Should not happen */
3680 DisplayError(_("Error gathering move list: two headers"), 0);
3681 ics_getting_history = H_FALSE;
3685 /* Save player ratings into gameInfo if needed */
3686 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3687 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3688 (gameInfo.whiteRating == -1 ||
3689 gameInfo.blackRating == -1)) {
3691 gameInfo.whiteRating = string_to_rating(star_match[1]);
3692 gameInfo.blackRating = string_to_rating(star_match[3]);
3693 if (appData.debugMode)
3694 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3695 gameInfo.whiteRating, gameInfo.blackRating);
3700 if (looking_at(buf, &i,
3701 "* * match, initial time: * minute*, increment: * second")) {
3702 /* Header for a move list -- second line */
3703 /* Initial board will follow if this is a wild game */
3704 if (gameInfo.event != NULL) free(gameInfo.event);
3705 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3706 gameInfo.event = StrSave(str);
3707 /* [HGM] we switched variant. Translate boards if needed. */
3708 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3712 if (looking_at(buf, &i, "Move ")) {
3713 /* Beginning of a move list */
3714 switch (ics_getting_history) {
3716 /* Normally should not happen */
3717 /* Maybe user hit reset while we were parsing */
3720 /* Happens if we are ignoring a move list that is not
3721 * the one we just requested. Common if the user
3722 * tries to observe two games without turning off
3725 case H_GETTING_MOVES:
3726 /* Should not happen */
3727 DisplayError(_("Error gathering move list: nested"), 0);
3728 ics_getting_history = H_FALSE;
3730 case H_GOT_REQ_HEADER:
3731 ics_getting_history = H_GETTING_MOVES;
3732 started = STARTED_MOVES;
3734 if (oldi > next_out) {
3735 SendToPlayer(&buf[next_out], oldi - next_out);
3738 case H_GOT_UNREQ_HEADER:
3739 ics_getting_history = H_GETTING_MOVES;
3740 started = STARTED_MOVES_NOHIDE;
3743 case H_GOT_UNWANTED_HEADER:
3744 ics_getting_history = H_FALSE;
3750 if (looking_at(buf, &i, "% ") ||
3751 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3752 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3753 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3754 soughtPending = FALSE;
3758 if(suppressKibitz) next_out = i;
3759 savingComment = FALSE;
3763 case STARTED_MOVES_NOHIDE:
3764 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3765 parse[parse_pos + i - oldi] = NULLCHAR;
3766 ParseGameHistory(parse);
3768 if (appData.zippyPlay && first.initDone) {
3769 FeedMovesToProgram(&first, forwardMostMove);
3770 if (gameMode == IcsPlayingWhite) {
3771 if (WhiteOnMove(forwardMostMove)) {
3772 if (first.sendTime) {
3773 if (first.useColors) {
3774 SendToProgram("black\n", &first);
3776 SendTimeRemaining(&first, TRUE);
3778 if (first.useColors) {
3779 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3781 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3782 first.maybeThinking = TRUE;
3784 if (first.usePlayother) {
3785 if (first.sendTime) {
3786 SendTimeRemaining(&first, TRUE);
3788 SendToProgram("playother\n", &first);
3794 } else if (gameMode == IcsPlayingBlack) {
3795 if (!WhiteOnMove(forwardMostMove)) {
3796 if (first.sendTime) {
3797 if (first.useColors) {
3798 SendToProgram("white\n", &first);
3800 SendTimeRemaining(&first, FALSE);
3802 if (first.useColors) {
3803 SendToProgram("black\n", &first);
3805 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3806 first.maybeThinking = TRUE;
3808 if (first.usePlayother) {
3809 if (first.sendTime) {
3810 SendTimeRemaining(&first, FALSE);
3812 SendToProgram("playother\n", &first);
3821 if (gameMode == IcsObserving && ics_gamenum == -1) {
3822 /* Moves came from oldmoves or moves command
3823 while we weren't doing anything else.
3825 currentMove = forwardMostMove;
3826 ClearHighlights();/*!!could figure this out*/
3827 flipView = appData.flipView;
3828 DrawPosition(TRUE, boards[currentMove]);
3829 DisplayBothClocks();
3830 snprintf(str, MSG_SIZ, "%s %s %s",
3831 gameInfo.white, _("vs."), gameInfo.black);
3835 /* Moves were history of an active game */
3836 if (gameInfo.resultDetails != NULL) {
3837 free(gameInfo.resultDetails);
3838 gameInfo.resultDetails = NULL;
3841 HistorySet(parseList, backwardMostMove,
3842 forwardMostMove, currentMove-1);
3843 DisplayMove(currentMove - 1);
3844 if (started == STARTED_MOVES) next_out = i;
3845 started = STARTED_NONE;
3846 ics_getting_history = H_FALSE;
3849 case STARTED_OBSERVE:
3850 started = STARTED_NONE;
3851 SendToICS(ics_prefix);
3852 SendToICS("refresh\n");
3858 if(bookHit) { // [HGM] book: simulate book reply
3859 static char bookMove[MSG_SIZ]; // a bit generous?
3861 programStats.nodes = programStats.depth = programStats.time =
3862 programStats.score = programStats.got_only_move = 0;
3863 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3865 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3866 strcat(bookMove, bookHit);
3867 HandleMachineMove(bookMove, &first);
3872 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3873 started == STARTED_HOLDINGS ||
3874 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3875 /* Accumulate characters in move list or board */
3876 parse[parse_pos++] = buf[i];
3879 /* Start of game messages. Mostly we detect start of game
3880 when the first board image arrives. On some versions
3881 of the ICS, though, we need to do a "refresh" after starting
3882 to observe in order to get the current board right away. */
3883 if (looking_at(buf, &i, "Adding game * to observation list")) {
3884 started = STARTED_OBSERVE;
3888 /* Handle auto-observe */
3889 if (appData.autoObserve &&
3890 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3891 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3893 /* Choose the player that was highlighted, if any. */
3894 if (star_match[0][0] == '\033' ||
3895 star_match[1][0] != '\033') {
3896 player = star_match[0];
3898 player = star_match[2];
3900 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3901 ics_prefix, StripHighlightAndTitle(player));
3904 /* Save ratings from notify string */
3905 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3906 player1Rating = string_to_rating(star_match[1]);
3907 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3908 player2Rating = string_to_rating(star_match[3]);
3910 if (appData.debugMode)
3912 "Ratings from 'Game notification:' %s %d, %s %d\n",
3913 player1Name, player1Rating,
3914 player2Name, player2Rating);
3919 /* Deal with automatic examine mode after a game,
3920 and with IcsObserving -> IcsExamining transition */
3921 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3922 looking_at(buf, &i, "has made you an examiner of game *")) {
3924 int gamenum = atoi(star_match[0]);
3925 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3926 gamenum == ics_gamenum) {
3927 /* We were already playing or observing this game;
3928 no need to refetch history */
3929 gameMode = IcsExamining;
3931 pauseExamForwardMostMove = forwardMostMove;
3932 } else if (currentMove < forwardMostMove) {
3933 ForwardInner(forwardMostMove);
3936 /* I don't think this case really can happen */
3937 SendToICS(ics_prefix);
3938 SendToICS("refresh\n");
3943 /* Error messages */
3944 // if (ics_user_moved) {
3945 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3946 if (looking_at(buf, &i, "Illegal move") ||
3947 looking_at(buf, &i, "Not a legal move") ||
3948 looking_at(buf, &i, "Your king is in check") ||
3949 looking_at(buf, &i, "It isn't your turn") ||
3950 looking_at(buf, &i, "It is not your move")) {
3952 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3953 currentMove = forwardMostMove-1;
3954 DisplayMove(currentMove - 1); /* before DMError */
3955 DrawPosition(FALSE, boards[currentMove]);
3956 SwitchClocks(forwardMostMove-1); // [HGM] race
3957 DisplayBothClocks();
3959 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3965 if (looking_at(buf, &i, "still have time") ||
3966 looking_at(buf, &i, "not out of time") ||
3967 looking_at(buf, &i, "either player is out of time") ||
3968 looking_at(buf, &i, "has timeseal; checking")) {
3969 /* We must have called his flag a little too soon */
3970 whiteFlag = blackFlag = FALSE;
3974 if (looking_at(buf, &i, "added * seconds to") ||
3975 looking_at(buf, &i, "seconds were added to")) {
3976 /* Update the clocks */
3977 SendToICS(ics_prefix);
3978 SendToICS("refresh\n");
3982 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3983 ics_clock_paused = TRUE;
3988 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3989 ics_clock_paused = FALSE;
3994 /* Grab player ratings from the Creating: message.
3995 Note we have to check for the special case when
3996 the ICS inserts things like [white] or [black]. */
3997 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3998 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
4000 0 player 1 name (not necessarily white)
4002 2 empty, white, or black (IGNORED)
4003 3 player 2 name (not necessarily black)
4006 The names/ratings are sorted out when the game
4007 actually starts (below).
4009 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
4010 player1Rating = string_to_rating(star_match[1]);
4011 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
4012 player2Rating = string_to_rating(star_match[4]);
4014 if (appData.debugMode)
4016 "Ratings from 'Creating:' %s %d, %s %d\n",
4017 player1Name, player1Rating,
4018 player2Name, player2Rating);
4023 /* Improved generic start/end-of-game messages */
4024 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
4025 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
4026 /* If tkind == 0: */
4027 /* star_match[0] is the game number */
4028 /* [1] is the white player's name */
4029 /* [2] is the black player's name */
4030 /* For end-of-game: */
4031 /* [3] is the reason for the game end */
4032 /* [4] is a PGN end game-token, preceded by " " */
4033 /* For start-of-game: */
4034 /* [3] begins with "Creating" or "Continuing" */
4035 /* [4] is " *" or empty (don't care). */
4036 int gamenum = atoi(star_match[0]);
4037 char *whitename, *blackname, *why, *endtoken;
4038 ChessMove endtype = EndOfFile;
4041 whitename = star_match[1];
4042 blackname = star_match[2];
4043 why = star_match[3];
4044 endtoken = star_match[4];
4046 whitename = star_match[1];
4047 blackname = star_match[3];
4048 why = star_match[5];
4049 endtoken = star_match[6];
4052 /* Game start messages */
4053 if (strncmp(why, "Creating ", 9) == 0 ||
4054 strncmp(why, "Continuing ", 11) == 0) {
4055 gs_gamenum = gamenum;
4056 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
4057 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
4058 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
4060 if (appData.zippyPlay) {
4061 ZippyGameStart(whitename, blackname);
4064 partnerBoardValid = FALSE; // [HGM] bughouse
4068 /* Game end messages */
4069 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
4070 ics_gamenum != gamenum) {
4073 while (endtoken[0] == ' ') endtoken++;
4074 switch (endtoken[0]) {
4077 endtype = GameUnfinished;
4080 endtype = BlackWins;
4083 if (endtoken[1] == '/')
4084 endtype = GameIsDrawn;
4086 endtype = WhiteWins;
4089 GameEnds(endtype, why, GE_ICS);
4091 if (appData.zippyPlay && first.initDone) {
4092 ZippyGameEnd(endtype, why);
4093 if (first.pr == NoProc) {
4094 /* Start the next process early so that we'll
4095 be ready for the next challenge */
4096 StartChessProgram(&first);
4098 /* Send "new" early, in case this command takes
4099 a long time to finish, so that we'll be ready
4100 for the next challenge. */
4101 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4105 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4109 if (looking_at(buf, &i, "Removing game * from observation") ||
4110 looking_at(buf, &i, "no longer observing game *") ||
4111 looking_at(buf, &i, "Game * (*) has no examiners")) {
4112 if (gameMode == IcsObserving &&
4113 atoi(star_match[0]) == ics_gamenum)
4115 /* icsEngineAnalyze */
4116 if (appData.icsEngineAnalyze) {
4123 ics_user_moved = FALSE;
4128 if (looking_at(buf, &i, "no longer examining game *")) {
4129 if (gameMode == IcsExamining &&
4130 atoi(star_match[0]) == ics_gamenum)
4134 ics_user_moved = FALSE;
4139 /* Advance leftover_start past any newlines we find,
4140 so only partial lines can get reparsed */
4141 if (looking_at(buf, &i, "\n")) {
4142 prevColor = curColor;
4143 if (curColor != ColorNormal) {
4144 if (oldi > next_out) {
4145 SendToPlayer(&buf[next_out], oldi - next_out);
4148 Colorize(ColorNormal, FALSE);
4149 curColor = ColorNormal;
4151 if (started == STARTED_BOARD) {
4152 started = STARTED_NONE;
4153 parse[parse_pos] = NULLCHAR;
4154 ParseBoard12(parse);
4157 /* Send premove here */
4158 if (appData.premove) {
4160 if (currentMove == 0 &&
4161 gameMode == IcsPlayingWhite &&
4162 appData.premoveWhite) {
4163 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4164 if (appData.debugMode)
4165 fprintf(debugFP, "Sending premove:\n");
4167 } else if (currentMove == 1 &&
4168 gameMode == IcsPlayingBlack &&
4169 appData.premoveBlack) {
4170 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4171 if (appData.debugMode)
4172 fprintf(debugFP, "Sending premove:\n");
4174 } else if (gotPremove) {
4175 int oldFMM = forwardMostMove;
4177 ClearPremoveHighlights();
4178 if (appData.debugMode)
4179 fprintf(debugFP, "Sending premove:\n");
4180 UserMoveEvent(premoveFromX, premoveFromY,
4181 premoveToX, premoveToY,
4183 if(forwardMostMove == oldFMM) { // premove was rejected, highlight last opponent move
4184 if(moveList[oldFMM-1][1] != '@')
4185 SetHighlights(moveList[oldFMM-1][0]-AAA, moveList[oldFMM-1][1]-ONE,
4186 moveList[oldFMM-1][2]-AAA, moveList[oldFMM-1][3]-ONE);
4188 SetHighlights(-1, -1, moveList[oldFMM-1][2]-AAA, moveList[oldFMM-1][3]-ONE);
4193 /* Usually suppress following prompt */
4194 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4195 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4196 if (looking_at(buf, &i, "*% ")) {
4197 savingComment = FALSE;
4202 } else if (started == STARTED_HOLDINGS) {
4204 char new_piece[MSG_SIZ];
4205 started = STARTED_NONE;
4206 parse[parse_pos] = NULLCHAR;
4207 if (appData.debugMode)
4208 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4209 parse, currentMove);
4210 if (sscanf(parse, " game %d", &gamenum) == 1) {
4211 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4212 new_piece[0] = NULLCHAR;
4213 sscanf(parse, "game %d white [%s black [%s <- %s",
4214 &gamenum, white_holding, black_holding,
4216 white_holding[strlen(white_holding)-1] = NULLCHAR;
4217 black_holding[strlen(black_holding)-1] = NULLCHAR;
4218 if (gameInfo.variant == VariantNormal) {
4219 /* [HGM] We seem to switch variant during a game!
4220 * Presumably no holdings were displayed, so we have
4221 * to move the position two files to the right to
4222 * create room for them!
4224 VariantClass newVariant;
4225 switch(gameInfo.boardWidth) { // base guess on board width
4226 case 9: newVariant = VariantShogi; break;
4227 case 10: newVariant = VariantGreat; break;
4228 default: newVariant = VariantCrazyhouse;
4229 if(strchr(white_holding, 'E') || strchr(black_holding, 'E') ||
4230 strchr(white_holding, 'H') || strchr(black_holding, 'H') )
4231 newVariant = VariantSChess;
4233 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4234 /* Get a move list just to see the header, which
4235 will tell us whether this is really bug or zh */
4236 if (ics_getting_history == H_FALSE) {
4237 ics_getting_history = H_REQUESTED;
4238 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4242 /* [HGM] copy holdings to board holdings area */
4243 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4244 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4245 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4247 if (appData.zippyPlay && first.initDone) {
4248 ZippyHoldings(white_holding, black_holding,
4252 if (tinyLayout || smallLayout) {
4253 char wh[16], bh[16];
4254 PackHolding(wh, white_holding);
4255 PackHolding(bh, black_holding);
4256 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4257 gameInfo.white, gameInfo.black);
4259 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4260 gameInfo.white, white_holding, _("vs."),
4261 gameInfo.black, black_holding);
4263 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4264 DrawPosition(FALSE, boards[currentMove]);
4266 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4267 sscanf(parse, "game %d white [%s black [%s <- %s",
4268 &gamenum, white_holding, black_holding,
4270 white_holding[strlen(white_holding)-1] = NULLCHAR;
4271 black_holding[strlen(black_holding)-1] = NULLCHAR;
4272 /* [HGM] copy holdings to partner-board holdings area */
4273 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4274 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4275 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4276 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4277 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4280 /* Suppress following prompt */
4281 if (looking_at(buf, &i, "*% ")) {
4282 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4283 savingComment = FALSE;
4291 i++; /* skip unparsed character and loop back */
4294 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4295 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4296 // SendToPlayer(&buf[next_out], i - next_out);
4297 started != STARTED_HOLDINGS && leftover_start > next_out) {
4298 SendToPlayer(&buf[next_out], leftover_start - next_out);
4302 leftover_len = buf_len - leftover_start;
4303 /* if buffer ends with something we couldn't parse,
4304 reparse it after appending the next read */
4306 } else if (count == 0) {
4307 RemoveInputSource(isr);
4308 DisplayFatalError(_("Connection closed by ICS"), 0, 6666);
4310 DisplayFatalError(_("Error reading from ICS"), error, 1);
4315 /* Board style 12 looks like this:
4317 <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
4319 * The "<12> " is stripped before it gets to this routine. The two
4320 * trailing 0's (flip state and clock ticking) are later addition, and
4321 * some chess servers may not have them, or may have only the first.
4322 * Additional trailing fields may be added in the future.
4325 #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"
4327 #define RELATION_OBSERVING_PLAYED 0
4328 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4329 #define RELATION_PLAYING_MYMOVE 1
4330 #define RELATION_PLAYING_NOTMYMOVE -1
4331 #define RELATION_EXAMINING 2
4332 #define RELATION_ISOLATED_BOARD -3
4333 #define RELATION_STARTING_POSITION -4 /* FICS only */
4336 ParseBoard12 (char *string)
4340 char *bookHit = NULL; // [HGM] book
4342 GameMode newGameMode;
4343 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4344 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4345 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4346 char to_play, board_chars[200];
4347 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4348 char black[32], white[32];
4350 int prevMove = currentMove;
4353 int fromX, fromY, toX, toY;
4355 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4356 Boolean weird = FALSE, reqFlag = FALSE;
4358 fromX = fromY = toX = toY = -1;
4362 if (appData.debugMode)
4363 fprintf(debugFP, "Parsing board: %s\n", string);
4365 move_str[0] = NULLCHAR;
4366 elapsed_time[0] = NULLCHAR;
4367 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4369 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4370 if(string[i] == ' ') { ranks++; files = 0; }
4372 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4375 for(j = 0; j <i; j++) board_chars[j] = string[j];
4376 board_chars[i] = '\0';
4379 n = sscanf(string, PATTERN, &to_play, &double_push,
4380 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4381 &gamenum, white, black, &relation, &basetime, &increment,
4382 &white_stren, &black_stren, &white_time, &black_time,
4383 &moveNum, str, elapsed_time, move_str, &ics_flip,
4387 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4388 DisplayError(str, 0);
4392 /* Convert the move number to internal form */
4393 moveNum = (moveNum - 1) * 2;
4394 if (to_play == 'B') moveNum++;
4395 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4396 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4402 case RELATION_OBSERVING_PLAYED:
4403 case RELATION_OBSERVING_STATIC:
4404 if (gamenum == -1) {
4405 /* Old ICC buglet */
4406 relation = RELATION_OBSERVING_STATIC;
4408 newGameMode = IcsObserving;
4410 case RELATION_PLAYING_MYMOVE:
4411 case RELATION_PLAYING_NOTMYMOVE:
4413 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4414 IcsPlayingWhite : IcsPlayingBlack;
4415 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4417 case RELATION_EXAMINING:
4418 newGameMode = IcsExamining;
4420 case RELATION_ISOLATED_BOARD:
4422 /* Just display this board. If user was doing something else,
4423 we will forget about it until the next board comes. */
4424 newGameMode = IcsIdle;
4426 case RELATION_STARTING_POSITION:
4427 newGameMode = gameMode;
4431 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4432 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4433 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4434 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4435 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4436 static int lastBgGame = -1;
4438 for (k = 0; k < ranks; k++) {
4439 for (j = 0; j < files; j++)
4440 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4441 if(gameInfo.holdingsWidth > 1) {
4442 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4443 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4446 CopyBoard(partnerBoard, board);
4447 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4448 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4449 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4450 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4451 if(toSqr = strchr(str, '-')) {
4452 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4453 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4454 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4455 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4456 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4457 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4459 DisplayWhiteClock(white_time*fac, to_play == 'W');
4460 DisplayBlackClock(black_time*fac, to_play != 'W');
4461 activePartner = to_play;
4462 if(gamenum != lastBgGame) {
4464 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4467 lastBgGame = gamenum;
4468 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4469 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4470 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4471 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4472 if(!twoBoards) DisplayMessage(partnerStatus, "");
4473 partnerBoardValid = TRUE;
4477 if(appData.dualBoard && appData.bgObserve) {
4478 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4479 SendToICS(ics_prefix), SendToICS("pobserve\n");
4480 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4482 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4487 /* Modify behavior for initial board display on move listing
4490 switch (ics_getting_history) {
4494 case H_GOT_REQ_HEADER:
4495 case H_GOT_UNREQ_HEADER:
4496 /* This is the initial position of the current game */
4497 gamenum = ics_gamenum;
4498 moveNum = 0; /* old ICS bug workaround */
4499 if (to_play == 'B') {
4500 startedFromSetupPosition = TRUE;
4501 blackPlaysFirst = TRUE;
4503 if (forwardMostMove == 0) forwardMostMove = 1;
4504 if (backwardMostMove == 0) backwardMostMove = 1;
4505 if (currentMove == 0) currentMove = 1;
4507 newGameMode = gameMode;
4508 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4510 case H_GOT_UNWANTED_HEADER:
4511 /* This is an initial board that we don't want */
4513 case H_GETTING_MOVES:
4514 /* Should not happen */
4515 DisplayError(_("Error gathering move list: extra board"), 0);
4516 ics_getting_history = H_FALSE;
4520 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4521 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4522 weird && (int)gameInfo.variant < (int)VariantShogi) {
4523 /* [HGM] We seem to have switched variant unexpectedly
4524 * Try to guess new variant from board size
4526 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4527 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4528 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4529 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4530 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4531 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4532 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4533 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4534 /* Get a move list just to see the header, which
4535 will tell us whether this is really bug or zh */
4536 if (ics_getting_history == H_FALSE) {
4537 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4538 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4543 /* Take action if this is the first board of a new game, or of a
4544 different game than is currently being displayed. */
4545 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4546 relation == RELATION_ISOLATED_BOARD) {
4548 /* Forget the old game and get the history (if any) of the new one */
4549 if (gameMode != BeginningOfGame) {
4553 if (appData.autoRaiseBoard) BoardToTop();
4555 if (gamenum == -1) {
4556 newGameMode = IcsIdle;
4557 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4558 appData.getMoveList && !reqFlag) {
4559 /* Need to get game history */
4560 ics_getting_history = H_REQUESTED;
4561 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4565 /* Initially flip the board to have black on the bottom if playing
4566 black or if the ICS flip flag is set, but let the user change
4567 it with the Flip View button. */
4568 flipView = appData.autoFlipView ?
4569 (newGameMode == IcsPlayingBlack) || ics_flip :
4572 /* Done with values from previous mode; copy in new ones */
4573 gameMode = newGameMode;
4575 ics_gamenum = gamenum;
4576 if (gamenum == gs_gamenum) {
4577 int klen = strlen(gs_kind);
4578 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4579 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4580 gameInfo.event = StrSave(str);
4582 gameInfo.event = StrSave("ICS game");
4584 gameInfo.site = StrSave(appData.icsHost);
4585 gameInfo.date = PGNDate();
4586 gameInfo.round = StrSave("-");
4587 gameInfo.white = StrSave(white);
4588 gameInfo.black = StrSave(black);
4589 timeControl = basetime * 60 * 1000;
4591 timeIncrement = increment * 1000;
4592 movesPerSession = 0;
4593 gameInfo.timeControl = TimeControlTagValue();
4594 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4595 if (appData.debugMode) {
4596 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4597 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4598 setbuf(debugFP, NULL);
4601 gameInfo.outOfBook = NULL;
4603 /* Do we have the ratings? */
4604 if (strcmp(player1Name, white) == 0 &&
4605 strcmp(player2Name, black) == 0) {
4606 if (appData.debugMode)
4607 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4608 player1Rating, player2Rating);
4609 gameInfo.whiteRating = player1Rating;
4610 gameInfo.blackRating = player2Rating;
4611 } else if (strcmp(player2Name, white) == 0 &&
4612 strcmp(player1Name, black) == 0) {
4613 if (appData.debugMode)
4614 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4615 player2Rating, player1Rating);
4616 gameInfo.whiteRating = player2Rating;
4617 gameInfo.blackRating = player1Rating;
4619 player1Name[0] = player2Name[0] = NULLCHAR;
4621 /* Silence shouts if requested */
4622 if (appData.quietPlay &&
4623 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4624 SendToICS(ics_prefix);
4625 SendToICS("set shout 0\n");
4629 /* Deal with midgame name changes */
4631 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4632 if (gameInfo.white) free(gameInfo.white);
4633 gameInfo.white = StrSave(white);
4635 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4636 if (gameInfo.black) free(gameInfo.black);
4637 gameInfo.black = StrSave(black);
4641 /* Throw away game result if anything actually changes in examine mode */
4642 if (gameMode == IcsExamining && !newGame) {
4643 gameInfo.result = GameUnfinished;
4644 if (gameInfo.resultDetails != NULL) {
4645 free(gameInfo.resultDetails);
4646 gameInfo.resultDetails = NULL;
4650 /* In pausing && IcsExamining mode, we ignore boards coming
4651 in if they are in a different variation than we are. */
4652 if (pauseExamInvalid) return;
4653 if (pausing && gameMode == IcsExamining) {
4654 if (moveNum <= pauseExamForwardMostMove) {
4655 pauseExamInvalid = TRUE;
4656 forwardMostMove = pauseExamForwardMostMove;
4661 if (appData.debugMode) {
4662 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4664 /* Parse the board */
4665 for (k = 0; k < ranks; k++) {
4666 for (j = 0; j < files; j++)
4667 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4668 if(gameInfo.holdingsWidth > 1) {
4669 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4670 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4673 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4674 board[5][BOARD_RGHT+1] = WhiteAngel;
4675 board[6][BOARD_RGHT+1] = WhiteMarshall;
4676 board[1][0] = BlackMarshall;
4677 board[2][0] = BlackAngel;
4678 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4680 CopyBoard(boards[moveNum], board);
4681 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4683 startedFromSetupPosition =
4684 !CompareBoards(board, initialPosition);
4685 if(startedFromSetupPosition)
4686 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4689 /* [HGM] Set castling rights. Take the outermost Rooks,
4690 to make it also work for FRC opening positions. Note that board12
4691 is really defective for later FRC positions, as it has no way to
4692 indicate which Rook can castle if they are on the same side of King.
4693 For the initial position we grant rights to the outermost Rooks,
4694 and remember thos rights, and we then copy them on positions
4695 later in an FRC game. This means WB might not recognize castlings with
4696 Rooks that have moved back to their original position as illegal,
4697 but in ICS mode that is not its job anyway.
4699 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4700 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4702 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4703 if(board[0][i] == WhiteRook) j = i;
4704 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4705 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4706 if(board[0][i] == WhiteRook) j = i;
4707 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4708 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4709 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4710 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4711 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4712 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4713 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4715 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4716 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4717 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4718 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4719 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4720 if(board[BOARD_HEIGHT-1][k] == bKing)
4721 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4722 if(gameInfo.variant == VariantTwoKings) {
4723 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4724 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4725 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4728 r = boards[moveNum][CASTLING][0] = initialRights[0];
4729 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4730 r = boards[moveNum][CASTLING][1] = initialRights[1];
4731 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4732 r = boards[moveNum][CASTLING][3] = initialRights[3];
4733 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4734 r = boards[moveNum][CASTLING][4] = initialRights[4];
4735 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4736 /* wildcastle kludge: always assume King has rights */
4737 r = boards[moveNum][CASTLING][2] = initialRights[2];
4738 r = boards[moveNum][CASTLING][5] = initialRights[5];
4740 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4741 boards[moveNum][EP_STATUS] = EP_NONE;
4742 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4743 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4744 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4747 if (ics_getting_history == H_GOT_REQ_HEADER ||
4748 ics_getting_history == H_GOT_UNREQ_HEADER) {
4749 /* This was an initial position from a move list, not
4750 the current position */
4754 /* Update currentMove and known move number limits */
4755 newMove = newGame || moveNum > forwardMostMove;
4758 forwardMostMove = backwardMostMove = currentMove = moveNum;
4759 if (gameMode == IcsExamining && moveNum == 0) {
4760 /* Workaround for ICS limitation: we are not told the wild
4761 type when starting to examine a game. But if we ask for
4762 the move list, the move list header will tell us */
4763 ics_getting_history = H_REQUESTED;
4764 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4767 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4768 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4770 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4771 /* [HGM] applied this also to an engine that is silently watching */
4772 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4773 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4774 gameInfo.variant == currentlyInitializedVariant) {
4775 takeback = forwardMostMove - moveNum;
4776 for (i = 0; i < takeback; i++) {
4777 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4778 SendToProgram("undo\n", &first);
4783 forwardMostMove = moveNum;
4784 if (!pausing || currentMove > forwardMostMove)
4785 currentMove = forwardMostMove;
4787 /* New part of history that is not contiguous with old part */
4788 if (pausing && gameMode == IcsExamining) {
4789 pauseExamInvalid = TRUE;
4790 forwardMostMove = pauseExamForwardMostMove;
4793 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4795 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4796 // [HGM] when we will receive the move list we now request, it will be
4797 // fed to the engine from the first move on. So if the engine is not
4798 // in the initial position now, bring it there.
4799 InitChessProgram(&first, 0);
4802 ics_getting_history = H_REQUESTED;
4803 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4806 forwardMostMove = backwardMostMove = currentMove = moveNum;
4809 /* Update the clocks */
4810 if (strchr(elapsed_time, '.')) {
4812 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4813 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4815 /* Time is in seconds */
4816 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4817 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4822 if (appData.zippyPlay && newGame &&
4823 gameMode != IcsObserving && gameMode != IcsIdle &&
4824 gameMode != IcsExamining)
4825 ZippyFirstBoard(moveNum, basetime, increment);
4828 /* Put the move on the move list, first converting
4829 to canonical algebraic form. */
4831 if (appData.debugMode) {
4832 int f = forwardMostMove;
4833 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4834 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4835 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4836 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4837 fprintf(debugFP, "moveNum = %d\n", moveNum);
4838 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4839 setbuf(debugFP, NULL);
4841 if (moveNum <= backwardMostMove) {
4842 /* We don't know what the board looked like before
4844 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4845 strcat(parseList[moveNum - 1], " ");
4846 strcat(parseList[moveNum - 1], elapsed_time);
4847 moveList[moveNum - 1][0] = NULLCHAR;
4848 } else if (strcmp(move_str, "none") == 0) {
4849 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4850 /* Again, we don't know what the board looked like;
4851 this is really the start of the game. */
4852 parseList[moveNum - 1][0] = NULLCHAR;
4853 moveList[moveNum - 1][0] = NULLCHAR;
4854 backwardMostMove = moveNum;
4855 startedFromSetupPosition = TRUE;
4856 fromX = fromY = toX = toY = -1;
4858 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4859 // So we parse the long-algebraic move string in stead of the SAN move
4860 int valid; char buf[MSG_SIZ], *prom;
4862 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4863 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4864 // str looks something like "Q/a1-a2"; kill the slash
4866 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4867 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4868 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4869 strcat(buf, prom); // long move lacks promo specification!
4870 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4871 if(appData.debugMode)
4872 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4873 safeStrCpy(move_str, buf, MSG_SIZ);
4875 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4876 &fromX, &fromY, &toX, &toY, &promoChar)
4877 || ParseOneMove(buf, moveNum - 1, &moveType,
4878 &fromX, &fromY, &toX, &toY, &promoChar);
4879 // end of long SAN patch
4881 (void) CoordsToAlgebraic(boards[moveNum - 1],
4882 PosFlags(moveNum - 1),
4883 fromY, fromX, toY, toX, promoChar,
4884 parseList[moveNum-1]);
4885 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4891 if(!IS_SHOGI(gameInfo.variant))
4892 strcat(parseList[moveNum - 1], "+");
4895 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4896 strcat(parseList[moveNum - 1], "#");
4899 strcat(parseList[moveNum - 1], " ");
4900 strcat(parseList[moveNum - 1], elapsed_time);
4901 /* currentMoveString is set as a side-effect of ParseOneMove */
4902 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4903 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4904 strcat(moveList[moveNum - 1], "\n");
4906 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4907 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4908 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4909 ChessSquare old, new = boards[moveNum][k][j];
4910 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4911 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4912 if(old == new) continue;
4913 if(old == PROMOTED(new)) boards[moveNum][k][j] = old;// prevent promoted pieces to revert to primordial ones
4914 else if(new == WhiteWazir || new == BlackWazir) {
4915 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4916 boards[moveNum][k][j] = PROMOTED(old); // choose correct type of Gold in promotion
4917 else boards[moveNum][k][j] = old; // preserve type of Gold
4918 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4919 boards[moveNum][k][j] = PROMOTED(new); // use non-primordial representation of chosen piece
4922 /* Move from ICS was illegal!? Punt. */
4923 if (appData.debugMode) {
4924 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4925 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4927 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4928 strcat(parseList[moveNum - 1], " ");
4929 strcat(parseList[moveNum - 1], elapsed_time);
4930 moveList[moveNum - 1][0] = NULLCHAR;
4931 fromX = fromY = toX = toY = -1;
4934 if (appData.debugMode) {
4935 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4936 setbuf(debugFP, NULL);
4940 /* Send move to chess program (BEFORE animating it). */
4941 if (appData.zippyPlay && !newGame && newMove &&
4942 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4944 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4945 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4946 if (moveList[moveNum - 1][0] == NULLCHAR) {
4947 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4949 DisplayError(str, 0);
4951 if (first.sendTime) {
4952 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4954 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4955 if (firstMove && !bookHit) {
4957 if (first.useColors) {
4958 SendToProgram(gameMode == IcsPlayingWhite ?
4960 "black\ngo\n", &first);
4962 SendToProgram("go\n", &first);
4964 first.maybeThinking = TRUE;
4967 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4968 if (moveList[moveNum - 1][0] == NULLCHAR) {
4969 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4970 DisplayError(str, 0);
4972 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4973 SendMoveToProgram(moveNum - 1, &first);
4980 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4981 /* If move comes from a remote source, animate it. If it
4982 isn't remote, it will have already been animated. */
4983 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4984 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4986 if (!pausing && appData.highlightLastMove) {
4987 SetHighlights(fromX, fromY, toX, toY);
4991 /* Start the clocks */
4992 whiteFlag = blackFlag = FALSE;
4993 appData.clockMode = !(basetime == 0 && increment == 0);
4995 ics_clock_paused = TRUE;
4997 } else if (ticking == 1) {
4998 ics_clock_paused = FALSE;
5000 if (gameMode == IcsIdle ||
5001 relation == RELATION_OBSERVING_STATIC ||
5002 relation == RELATION_EXAMINING ||
5004 DisplayBothClocks();
5008 /* Display opponents and material strengths */
5009 if (gameInfo.variant != VariantBughouse &&
5010 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
5011 if (tinyLayout || smallLayout) {
5012 if(gameInfo.variant == VariantNormal)
5013 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
5014 gameInfo.white, white_stren, gameInfo.black, black_stren,
5015 basetime, increment);
5017 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
5018 gameInfo.white, white_stren, gameInfo.black, black_stren,
5019 basetime, increment, (int) gameInfo.variant);
5021 if(gameInfo.variant == VariantNormal)
5022 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
5023 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5024 basetime, increment);
5026 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
5027 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5028 basetime, increment, VariantName(gameInfo.variant));
5031 if (appData.debugMode) {
5032 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
5037 /* Display the board */
5038 if (!pausing && !appData.noGUI) {
5040 if (appData.premove)
5042 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
5043 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
5044 ClearPremoveHighlights();
5046 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
5047 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
5048 DrawPosition(j, boards[currentMove]);
5050 DisplayMove(moveNum - 1);
5051 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
5052 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
5053 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
5054 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
5058 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
5060 if(bookHit) { // [HGM] book: simulate book reply
5061 static char bookMove[MSG_SIZ]; // a bit generous?
5063 programStats.nodes = programStats.depth = programStats.time =
5064 programStats.score = programStats.got_only_move = 0;
5065 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5067 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
5068 strcat(bookMove, bookHit);
5069 HandleMachineMove(bookMove, &first);
5078 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
5079 ics_getting_history = H_REQUESTED;
5080 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
5086 SendToBoth (char *msg)
5087 { // to make it easy to keep two engines in step in dual analysis
5088 SendToProgram(msg, &first);
5089 if(second.analyzing) SendToProgram(msg, &second);
5093 AnalysisPeriodicEvent (int force)
5095 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
5096 && !force) || !appData.periodicUpdates)
5099 /* Send . command to Crafty to collect stats */
5102 /* Don't send another until we get a response (this makes
5103 us stop sending to old Crafty's which don't understand
5104 the "." command (sending illegal cmds resets node count & time,
5105 which looks bad)) */
5106 programStats.ok_to_send = 0;
5110 ics_update_width (int new_width)
5112 ics_printf("set width %d\n", new_width);
5116 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5120 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5121 if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
5122 sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
5123 SendToProgram(buf, cps);
5126 // null move in variant where engine does not understand it (for analysis purposes)
5127 SendBoard(cps, moveNum + 1); // send position after move in stead.
5130 if (cps->useUsermove) {
5131 SendToProgram("usermove ", cps);
5135 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5136 int len = space - parseList[moveNum];
5137 memcpy(buf, parseList[moveNum], len);
5139 buf[len] = NULLCHAR;
5141 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5143 SendToProgram(buf, cps);
5145 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5146 AlphaRank(moveList[moveNum], 4);
5147 SendToProgram(moveList[moveNum], cps);
5148 AlphaRank(moveList[moveNum], 4); // and back
5150 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5151 * the engine. It would be nice to have a better way to identify castle
5153 if(appData.fischerCastling && cps->useOOCastle) {
5154 int fromX = moveList[moveNum][0] - AAA;
5155 int fromY = moveList[moveNum][1] - ONE;
5156 int toX = moveList[moveNum][2] - AAA;
5157 int toY = moveList[moveNum][3] - ONE;
5158 if((boards[moveNum][fromY][fromX] == WhiteKing
5159 && boards[moveNum][toY][toX] == WhiteRook)
5160 || (boards[moveNum][fromY][fromX] == BlackKing
5161 && boards[moveNum][toY][toX] == BlackRook)) {
5162 if(toX > fromX) SendToProgram("O-O\n", cps);
5163 else SendToProgram("O-O-O\n", cps);
5165 else SendToProgram(moveList[moveNum], cps);
5167 if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5168 char *m = moveList[moveNum];
5170 *c = m[7]; if(*c == '\n') *c = NULLCHAR; // promoChar
5171 if((boards[moveNum][m[6]-ONE][m[5]-AAA] < BlackPawn) == (boards[moveNum][m[1]-ONE][m[0]-AAA] < BlackPawn)) // move is kludge to indicate castling
5172 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", m[0], m[1] - '0', // convert to two moves
5175 m[2] + (m[0] > m[5] ? 1 : -1), m[3] - '0');
5176 else if(*c && m[8] != '\n') { // kill square followed by 2 characters: 2nd kill square rather than promo suffix
5177 *c = m[9]; if(*c == '\n') *c = NULLCHAR;
5178 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d,%c%d%c%d%s\n", m[0], m[1] - '0', // convert to three moves
5183 m[2], m[3] - '0', c);
5185 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d%s\n", m[0], m[1] - '0', // convert to two moves
5188 m[2], m[3] - '0', c);
5189 SendToProgram(buf, cps);
5191 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5192 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5193 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5194 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5195 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5197 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5198 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5199 SendToProgram(buf, cps);
5201 else SendToProgram(moveList[moveNum], cps);
5202 /* End of additions by Tord */
5205 /* [HGM] setting up the opening has brought engine in force mode! */
5206 /* Send 'go' if we are in a mode where machine should play. */
5207 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5208 (gameMode == TwoMachinesPlay ||
5210 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5212 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5213 SendToProgram("go\n", cps);
5214 if (appData.debugMode) {
5215 fprintf(debugFP, "(extra)\n");
5218 setboardSpoiledMachineBlack = 0;
5222 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5224 char user_move[MSG_SIZ];
5227 if(gameInfo.variant == VariantSChess && promoChar) {
5228 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5229 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5230 } else suffix[0] = NULLCHAR;
5234 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5235 (int)moveType, fromX, fromY, toX, toY);
5236 DisplayError(user_move + strlen("say "), 0);
5238 case WhiteKingSideCastle:
5239 case BlackKingSideCastle:
5240 case WhiteQueenSideCastleWild:
5241 case BlackQueenSideCastleWild:
5243 case WhiteHSideCastleFR:
5244 case BlackHSideCastleFR:
5246 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5248 case WhiteQueenSideCastle:
5249 case BlackQueenSideCastle:
5250 case WhiteKingSideCastleWild:
5251 case BlackKingSideCastleWild:
5253 case WhiteASideCastleFR:
5254 case BlackASideCastleFR:
5256 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5258 case WhiteNonPromotion:
5259 case BlackNonPromotion:
5260 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5262 case WhitePromotion:
5263 case BlackPromotion:
5264 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5265 gameInfo.variant == VariantMakruk)
5266 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5267 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5268 PieceToChar(WhiteFerz));
5269 else if(gameInfo.variant == VariantGreat)
5270 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5271 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5272 PieceToChar(WhiteMan));
5274 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5275 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5281 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5282 ToUpper(PieceToChar((ChessSquare) fromX)),
5283 AAA + toX, ONE + toY);
5285 case IllegalMove: /* could be a variant we don't quite understand */
5286 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5288 case WhiteCapturesEnPassant:
5289 case BlackCapturesEnPassant:
5290 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5291 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5294 SendToICS(user_move);
5295 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5296 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5301 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5302 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5303 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5304 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5305 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5308 if(gameMode != IcsExamining) { // is this ever not the case?
5309 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5311 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5312 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5313 } else { // on FICS we must first go to general examine mode
5314 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5316 if(gameInfo.variant != VariantNormal) {
5317 // try figure out wild number, as xboard names are not always valid on ICS
5318 for(i=1; i<=36; i++) {
5319 snprintf(buf, MSG_SIZ, "wild/%d", i);
5320 if(StringToVariant(buf) == gameInfo.variant) break;
5322 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5323 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5324 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5325 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5326 SendToICS(ics_prefix);
5328 if(startedFromSetupPosition || backwardMostMove != 0) {
5329 fen = PositionToFEN(backwardMostMove, NULL, 1);
5330 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5331 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5333 } else { // FICS: everything has to set by separate bsetup commands
5334 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5335 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5337 if(!WhiteOnMove(backwardMostMove)) {
5338 SendToICS("bsetup tomove black\n");
5340 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5341 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5343 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5344 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5346 i = boards[backwardMostMove][EP_STATUS];
5347 if(i >= 0) { // set e.p.
5348 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5354 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5355 SendToICS("bsetup done\n"); // switch to normal examining.
5357 for(i = backwardMostMove; i<last; i++) {
5359 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5360 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5361 int len = strlen(moveList[i]);
5362 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5363 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5367 SendToICS(ics_prefix);
5368 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5371 int killX = -1, killY = -1, kill2X = -1, kill2Y = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5375 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[9])
5377 if (rf == DROP_RANK) {
5378 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5379 sprintf(move, "%c@%c%c\n",
5380 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5382 if (promoChar == 'x' || promoChar == NULLCHAR) {
5383 sprintf(move, "%c%c%c%c\n",
5384 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5385 if(killX >= 0 && killY >= 0) {
5386 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5387 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c\n", AAA + kill2X, ONE + kill2Y);
5390 sprintf(move, "%c%c%c%c%c\n",
5391 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5392 if(killX >= 0 && killY >= 0) {
5393 sprintf(move+4, ";%c%c%c\n", AAA + killX, ONE + killY, promoChar);
5394 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c%c\n", AAA + kill2X, ONE + kill2Y, promoChar);
5401 ProcessICSInitScript (FILE *f)
5405 while (fgets(buf, MSG_SIZ, f)) {
5406 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5413 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
5415 static ClickType lastClickType;
5418 PieceInString (char *s, ChessSquare piece)
5420 char *p, ID = ToUpper(PieceToChar(piece)), suffix = PieceSuffix(piece);
5421 while((p = strchr(s, ID))) {
5422 if(!suffix || p[1] == suffix) return TRUE;
5429 Partner (ChessSquare *p)
5430 { // change piece into promotion partner if one shogi-promotes to the other
5431 ChessSquare partner = promoPartner[*p];
5432 if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
5433 if(PieceToChar(*p) == '+') partner = boards[currentMove][fromY][fromX];
5441 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5442 static int toggleFlag;
5443 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5444 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5445 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5446 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5447 if(fromY != BOARD_HEIGHT-2 && fromY != 1 && gameInfo.variant != VariantChuChess) pawn = EmptySquare;
5448 if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
5450 if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
5451 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5452 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5453 else if(promoSweep == BlackPawn && step < 0 && !toggleFlag) promoSweep = WhitePawn;
5454 else if(promoSweep == WhiteKing && step > 0 && !toggleFlag) promoSweep = BlackKing;
5455 if(!step) step = -1;
5456 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' ||
5457 !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
5458 promoRestrict[0] ? !PieceInString(promoRestrict, promoSweep) : // if choice set available, use it
5459 promoSweep == pawn ||
5460 appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
5461 (promoSweep == WhiteLion || promoSweep == BlackLion)));
5463 int victim = boards[currentMove][toY][toX];
5464 boards[currentMove][toY][toX] = promoSweep;
5465 DrawPosition(FALSE, boards[currentMove]);
5466 boards[currentMove][toY][toX] = victim;
5468 ChangeDragPiece(promoSweep);
5472 PromoScroll (int x, int y)
5476 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5477 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5478 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5479 if(!step) return FALSE;
5480 lastX = x; lastY = y;
5481 if((promoSweep < BlackPawn) == flipView) step = -step;
5482 if(step > 0) selectFlag = 1;
5483 if(!selectFlag) Sweep(step);
5488 NextPiece (int step)
5490 ChessSquare piece = boards[currentMove][toY][toX];
5493 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5494 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5495 if(!step) step = -1;
5496 } while(PieceToChar(pieceSweep) == '.');
5497 boards[currentMove][toY][toX] = pieceSweep;
5498 DrawPosition(FALSE, boards[currentMove]);
5499 boards[currentMove][toY][toX] = piece;
5501 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5503 AlphaRank (char *move, int n)
5505 // char *p = move, c; int x, y;
5507 if (appData.debugMode) {
5508 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5512 move[2]>='0' && move[2]<='9' &&
5513 move[3]>='a' && move[3]<='x' ) {
5515 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5516 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5518 if(move[0]>='0' && move[0]<='9' &&
5519 move[1]>='a' && move[1]<='x' &&
5520 move[2]>='0' && move[2]<='9' &&
5521 move[3]>='a' && move[3]<='x' ) {
5522 /* input move, Shogi -> normal */
5523 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5524 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5525 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5526 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5529 move[3]>='0' && move[3]<='9' &&
5530 move[2]>='a' && move[2]<='x' ) {
5532 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5533 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5536 move[0]>='a' && move[0]<='x' &&
5537 move[3]>='0' && move[3]<='9' &&
5538 move[2]>='a' && move[2]<='x' ) {
5539 /* output move, normal -> Shogi */
5540 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5541 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5542 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5543 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5544 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5546 if (appData.debugMode) {
5547 fprintf(debugFP, " out = '%s'\n", move);
5551 char yy_textstr[8000];
5553 /* Parser for moves from gnuchess, ICS, or user typein box */
5555 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5557 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5559 switch (*moveType) {
5560 case WhitePromotion:
5561 case BlackPromotion:
5562 case WhiteNonPromotion:
5563 case BlackNonPromotion:
5566 case WhiteCapturesEnPassant:
5567 case BlackCapturesEnPassant:
5568 case WhiteKingSideCastle:
5569 case WhiteQueenSideCastle:
5570 case BlackKingSideCastle:
5571 case BlackQueenSideCastle:
5572 case WhiteKingSideCastleWild:
5573 case WhiteQueenSideCastleWild:
5574 case BlackKingSideCastleWild:
5575 case BlackQueenSideCastleWild:
5576 /* Code added by Tord: */
5577 case WhiteHSideCastleFR:
5578 case WhiteASideCastleFR:
5579 case BlackHSideCastleFR:
5580 case BlackASideCastleFR:
5581 /* End of code added by Tord */
5582 case IllegalMove: /* bug or odd chess variant */
5583 if(currentMoveString[1] == '@') { // illegal drop
5584 *fromX = WhiteOnMove(moveNum) ?
5585 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5586 (int) CharToPiece(ToLower(currentMoveString[0]));
5589 *fromX = currentMoveString[0] - AAA;
5590 *fromY = currentMoveString[1] - ONE;
5591 *toX = currentMoveString[2] - AAA;
5592 *toY = currentMoveString[3] - ONE;
5593 *promoChar = currentMoveString[4];
5594 if(*promoChar == ';') *promoChar = currentMoveString[7 + 2*(currentMoveString[8] != 0)];
5595 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5596 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5597 if (appData.debugMode) {
5598 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5600 *fromX = *fromY = *toX = *toY = 0;
5603 if (appData.testLegality) {
5604 return (*moveType != IllegalMove);
5606 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5607 // [HGM] lion: if this is a double move we are less critical
5608 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5613 *fromX = *moveType == WhiteDrop ?
5614 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5615 (int) CharToPiece(ToLower(currentMoveString[0]));
5618 *toX = currentMoveString[2] - AAA;
5619 *toY = currentMoveString[3] - ONE;
5620 *promoChar = NULLCHAR;
5624 case ImpossibleMove:
5634 if (appData.debugMode) {
5635 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5638 *fromX = *fromY = *toX = *toY = 0;
5639 *promoChar = NULLCHAR;
5644 Boolean pushed = FALSE;
5645 char *lastParseAttempt;
5648 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5649 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5650 int fromX, fromY, toX, toY; char promoChar;
5655 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5656 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5657 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5660 endPV = forwardMostMove;
5662 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5663 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5664 lastParseAttempt = pv;
5665 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5666 if(!valid && nr == 0 &&
5667 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5668 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5669 // Hande case where played move is different from leading PV move
5670 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5671 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5672 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5673 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5674 endPV += 2; // if position different, keep this
5675 moveList[endPV-1][0] = fromX + AAA;
5676 moveList[endPV-1][1] = fromY + ONE;
5677 moveList[endPV-1][2] = toX + AAA;
5678 moveList[endPV-1][3] = toY + ONE;
5679 parseList[endPV-1][0] = NULLCHAR;
5680 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5683 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5684 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5685 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5686 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5687 valid++; // allow comments in PV
5691 if(endPV+1 > framePtr) break; // no space, truncate
5694 CopyBoard(boards[endPV], boards[endPV-1]);
5695 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5696 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5697 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5698 CoordsToAlgebraic(boards[endPV - 1],
5699 PosFlags(endPV - 1),
5700 fromY, fromX, toY, toX, promoChar,
5701 parseList[endPV - 1]);
5703 if(atEnd == 2) return; // used hidden, for PV conversion
5704 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5705 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5706 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5707 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5708 DrawPosition(TRUE, boards[currentMove]);
5712 MultiPV (ChessProgramState *cps, int kind)
5713 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5715 for(i=0; i<cps->nrOptions; i++) {
5716 char *s = cps->option[i].name;
5717 if((kind & 1) && !StrCaseCmp(s, "MultiPV") && cps->option[i].type == Spin) return i;
5718 if((kind & 2) && StrCaseStr(s, "multi") && StrCaseStr(s, "PV")
5719 && StrCaseStr(s, "margin") && cps->option[i].type == Spin) return -i-2;
5724 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5725 static int multi, pv_margin;
5726 static ChessProgramState *activeCps;
5729 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5731 int startPV, lineStart, origIndex = index;
5732 char *p, buf2[MSG_SIZ];
5733 ChessProgramState *cps = (pane ? &second : &first);
5735 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5736 lastX = x; lastY = y;
5737 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5738 lineStart = startPV = index;
5739 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5740 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5742 do{ while(buf[index] && buf[index] != '\n') index++;
5743 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5745 if(lineStart == 0 && gameMode == AnalyzeMode) {
5747 if(origIndex > 17 && origIndex < 24) n--; else if(origIndex > index - 6) n++;
5748 if(n == 0) { // click not on "fewer" or "more"
5749 if((multi = -2 - MultiPV(cps, 2)) >= 0) {
5750 pv_margin = cps->option[multi].value;
5751 activeCps = cps; // non-null signals margin adjustment
5753 } else if((multi = MultiPV(cps, 1)) >= 0) {
5754 n += cps->option[multi].value; if(n < 1) n = 1;
5755 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5756 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5757 cps->option[multi].value = n;
5761 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5762 ExcludeClick(origIndex - lineStart);
5764 } else if(!strncmp(buf+lineStart, "dep\t", 4)) { // column headers clicked
5765 Collapse(origIndex - lineStart);
5768 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5769 *start = startPV; *end = index-1;
5770 extendGame = (gameMode == AnalyzeMode && appData.autoExtend && origIndex - startPV < 5);
5777 static char buf[10*MSG_SIZ];
5778 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5780 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5781 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5782 for(i = forwardMostMove; i<endPV; i++){
5783 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5784 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5787 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5788 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5789 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5795 LoadPV (int x, int y)
5796 { // called on right mouse click to load PV
5797 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5798 lastX = x; lastY = y;
5799 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5807 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5809 if(pv_margin != activeCps->option[multi].value) {
5811 snprintf(buf, MSG_SIZ, "option %s=%d\n", "Multi-PV Margin", pv_margin);
5812 SendToProgram(buf, activeCps);
5813 activeCps->option[multi].value = pv_margin;
5818 if(endPV < 0) return;
5819 if(appData.autoCopyPV) CopyFENToClipboard();
5821 if(extendGame && currentMove > forwardMostMove) {
5822 Boolean saveAnimate = appData.animate;
5824 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5825 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5826 } else storedGames--; // abandon shelved tail of original game
5829 forwardMostMove = currentMove;
5830 currentMove = oldFMM;
5831 appData.animate = FALSE;
5832 ToNrEvent(forwardMostMove);
5833 appData.animate = saveAnimate;
5835 currentMove = forwardMostMove;
5836 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5837 ClearPremoveHighlights();
5838 DrawPosition(TRUE, boards[currentMove]);
5842 MovePV (int x, int y, int h)
5843 { // step through PV based on mouse coordinates (called on mouse move)
5844 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5846 if(activeCps) { // adjusting engine's multi-pv margin
5847 if(x > lastX) pv_margin++; else
5848 if(x < lastX) pv_margin -= (pv_margin > 0);
5851 snprintf(buf, MSG_SIZ, "margin = %d", pv_margin);
5852 DisplayMessage(buf, "");
5857 // we must somehow check if right button is still down (might be released off board!)
5858 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5859 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5860 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5862 lastX = x; lastY = y;
5864 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5865 if(endPV < 0) return;
5866 if(y < margin) step = 1; else
5867 if(y > h - margin) step = -1;
5868 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5869 currentMove += step;
5870 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5871 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5872 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5873 DrawPosition(FALSE, boards[currentMove]);
5877 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5878 // All positions will have equal probability, but the current method will not provide a unique
5879 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5885 int piecesLeft[(int)BlackPawn];
5886 int seed, nrOfShuffles;
5889 GetPositionNumber ()
5890 { // sets global variable seed
5893 seed = appData.defaultFrcPosition;
5894 if(seed < 0) { // randomize based on time for negative FRC position numbers
5895 for(i=0; i<50; i++) seed += random();
5896 seed = random() ^ random() >> 8 ^ random() << 8;
5897 if(seed<0) seed = -seed;
5902 put (Board board, int pieceType, int rank, int n, int shade)
5903 // put the piece on the (n-1)-th empty squares of the given shade
5907 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5908 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5909 board[rank][i] = (ChessSquare) pieceType;
5910 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5912 piecesLeft[pieceType]--;
5921 AddOnePiece (Board board, int pieceType, int rank, int shade)
5922 // calculate where the next piece goes, (any empty square), and put it there
5926 i = seed % squaresLeft[shade];
5927 nrOfShuffles *= squaresLeft[shade];
5928 seed /= squaresLeft[shade];
5929 put(board, pieceType, rank, i, shade);
5933 AddTwoPieces (Board board, int pieceType, int rank)
5934 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5936 int i, n=squaresLeft[ANY], j=n-1, k;
5938 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5939 i = seed % k; // pick one
5942 while(i >= j) i -= j--;
5943 j = n - 1 - j; i += j;
5944 put(board, pieceType, rank, j, ANY);
5945 put(board, pieceType, rank, i, ANY);
5949 SetUpShuffle (Board board, int number)
5953 GetPositionNumber(); nrOfShuffles = 1;
5955 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5956 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5957 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5959 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5961 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5962 p = (int) board[0][i];
5963 if(p < (int) BlackPawn) piecesLeft[p] ++;
5964 board[0][i] = EmptySquare;
5967 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5968 // shuffles restricted to allow normal castling put KRR first
5969 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5970 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5971 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5972 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5973 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5974 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5975 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5976 put(board, WhiteRook, 0, 0, ANY);
5977 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5980 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5981 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5982 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5983 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5984 while(piecesLeft[p] >= 2) {
5985 AddOnePiece(board, p, 0, LITE);
5986 AddOnePiece(board, p, 0, DARK);
5988 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5991 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5992 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5993 // but we leave King and Rooks for last, to possibly obey FRC restriction
5994 if(p == (int)WhiteRook) continue;
5995 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5996 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5999 // now everything is placed, except perhaps King (Unicorn) and Rooks
6001 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
6002 // Last King gets castling rights
6003 while(piecesLeft[(int)WhiteUnicorn]) {
6004 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
6005 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
6008 while(piecesLeft[(int)WhiteKing]) {
6009 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
6010 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
6015 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
6016 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
6019 // Only Rooks can be left; simply place them all
6020 while(piecesLeft[(int)WhiteRook]) {
6021 i = put(board, WhiteRook, 0, 0, ANY);
6022 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
6025 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
6027 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
6030 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
6031 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
6034 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
6038 ptclen (const char *s, char *escapes)
6041 if(!*escapes) return strlen(s);
6042 while(*s) n += (*s != '/' && *s != '-' && *s != '^' && *s != '*' && !strchr(escapes, *s)) - 2*(*s == '='), s++;
6047 SetCharTableEsc (unsigned char *table, const char * map, char * escapes)
6048 /* [HGM] moved here from winboard.c because of its general usefulness */
6049 /* Basically a safe strcpy that uses the last character as King */
6051 int result = FALSE; int NrPieces;
6052 unsigned char partner[EmptySquare];
6054 if( map != NULL && (NrPieces=ptclen(map, escapes)) <= (int) EmptySquare
6055 && NrPieces >= 12 && !(NrPieces&1)) {
6056 int i, ii, offs, j = 0; /* [HGM] Accept even length from 12 to 88 */
6058 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
6059 for( i=offs=0; i<NrPieces/2-1; i++ ) {
6061 if(map[j] == '/') offs = WhitePBishop - i, j++;
6062 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6063 table[i+offs] = map[j++];
6064 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6065 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6066 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6068 table[(int) WhiteKing] = map[j++];
6069 for( ii=offs=0; ii<NrPieces/2-1; ii++ ) {
6071 if(map[j] == '/') offs = WhitePBishop - ii, j++;
6072 i = WHITE_TO_BLACK ii;
6073 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6074 table[i+offs] = map[j++];
6075 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6076 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6077 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6079 table[(int) BlackKing] = map[j++];
6082 if(*escapes) { // set up promotion pairing
6083 for( i=0; i<(int) EmptySquare; i++ ) promoPartner[i] = (i%BlackPawn < 11 ? i + 11 : i%BlackPawn < 22 ? i - 11 : i); // default
6084 // pieceToChar entirely filled, so we can look up specified partners
6085 for(i=0; i<EmptySquare; i++) { // adjust promotion pairing
6087 if(c == '^' || c == '-') { // has specified partner
6089 for(p=0; p<EmptySquare; p++) if(table[p] == partner[i]) break;
6090 if(c == '^') table[i] = '+';
6091 if(p < EmptySquare) {
6092 if(promoPartner[promoPartner[p]] == p) promoPartner[promoPartner[p]] = promoPartner[p]; // divorce old partners
6093 if(promoPartner[promoPartner[i]] == i) promoPartner[promoPartner[i]] = promoPartner[i];
6094 promoPartner[p] = i, promoPartner[i] = p; // and marry this couple
6096 } else if(c == '*') {
6097 table[i] = partner[i];
6098 promoPartner[i] = (i < BlackPawn ? WhiteTokin : BlackTokin); // promotes to Tokin
6110 SetCharTable (unsigned char *table, const char * map)
6112 return SetCharTableEsc(table, map, "");
6116 Prelude (Board board)
6117 { // [HGM] superchess: random selection of exo-pieces
6118 int i, j, k; ChessSquare p;
6119 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
6121 GetPositionNumber(); // use FRC position number
6123 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
6124 SetCharTable(pieceToChar, appData.pieceToCharTable);
6125 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
6126 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
6129 j = seed%4; seed /= 4;
6130 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6131 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6132 board[handSize-1-k][0] = WHITE_TO_BLACK p; board[handSize-1-k][1]++;
6133 j = seed%3 + (seed%3 >= j); seed /= 3;
6134 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6135 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6136 board[handSize-1-k][0] = WHITE_TO_BLACK p; board[handSize-1-k][1]++;
6137 j = seed%3; seed /= 3;
6138 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6139 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6140 board[handSize-1-k][0] = WHITE_TO_BLACK p; board[handSize-1-k][1]++;
6141 j = seed%2 + (seed%2 >= j); seed /= 2;
6142 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6143 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6144 board[handSize-1-k][0] = WHITE_TO_BLACK p; board[handSize-1-k][1]++;
6145 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
6146 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
6147 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
6148 put(board, exoPieces[0], 0, 0, ANY);
6149 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
6153 InitPosition (int redraw)
6155 ChessSquare (* pieces)[BOARD_FILES];
6156 int i, j, pawnRow=1, pieceRows=1, overrule,
6157 oldx = gameInfo.boardWidth,
6158 oldy = gameInfo.boardHeight,
6159 oldh = gameInfo.holdingsWidth;
6162 if(appData.icsActive) shuffleOpenings = appData.fischerCastling = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
6164 /* [AS] Initialize pv info list [HGM] and game status */
6166 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
6167 pvInfoList[i].depth = 0;
6168 boards[i][EP_STATUS] = EP_NONE;
6169 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
6172 initialRulePlies = 0; /* 50-move counter start */
6174 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
6175 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
6179 /* [HGM] logic here is completely changed. In stead of full positions */
6180 /* the initialized data only consist of the two backranks. The switch */
6181 /* selects which one we will use, which is than copied to the Board */
6182 /* initialPosition, which for the rest is initialized by Pawns and */
6183 /* empty squares. This initial position is then copied to boards[0], */
6184 /* possibly after shuffling, so that it remains available. */
6186 gameInfo.holdingsWidth = 0; /* default board sizes */
6187 gameInfo.boardWidth = 8;
6188 gameInfo.boardHeight = 8;
6189 gameInfo.holdingsSize = 0;
6190 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
6191 for(i=0; i<BOARD_FILES-6; i++)
6192 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
6193 initialPosition[EP_STATUS] = EP_NONE;
6194 initialPosition[TOUCHED_W] = initialPosition[TOUCHED_B] = 0;
6195 SetCharTableEsc(pieceToChar, "PNBRQ...........Kpnbrq...........k", SUFFIXES);
6196 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
6197 SetCharTable(pieceNickName, appData.pieceNickNames);
6198 else SetCharTable(pieceNickName, "............");
6201 switch (gameInfo.variant) {
6202 case VariantFischeRandom:
6203 shuffleOpenings = TRUE;
6204 appData.fischerCastling = TRUE;
6207 case VariantShatranj:
6208 pieces = ShatranjArray;
6209 nrCastlingRights = 0;
6210 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
6213 pieces = makrukArray;
6214 nrCastlingRights = 0;
6215 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
6218 pieces = aseanArray;
6219 nrCastlingRights = 0;
6220 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
6222 case VariantTwoKings:
6223 pieces = twoKingsArray;
6226 pieces = GrandArray;
6227 nrCastlingRights = 0;
6228 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6229 gameInfo.boardWidth = 10;
6230 gameInfo.boardHeight = 10;
6231 gameInfo.holdingsSize = 7;
6233 case VariantCapaRandom:
6234 shuffleOpenings = TRUE;
6235 appData.fischerCastling = TRUE;
6236 case VariantCapablanca:
6237 pieces = CapablancaArray;
6238 gameInfo.boardWidth = 10;
6239 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6242 pieces = GothicArray;
6243 gameInfo.boardWidth = 10;
6244 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6247 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6248 gameInfo.holdingsSize = 7;
6249 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6252 pieces = JanusArray;
6253 gameInfo.boardWidth = 10;
6254 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6255 nrCastlingRights = 6;
6256 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6257 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6258 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6259 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6260 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6261 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6264 pieces = FalconArray;
6265 gameInfo.boardWidth = 10;
6266 SetCharTable(pieceToChar, "PNBRQ............FKpnbrq............fk");
6268 case VariantXiangqi:
6269 pieces = XiangqiArray;
6270 gameInfo.boardWidth = 9;
6271 gameInfo.boardHeight = 10;
6272 nrCastlingRights = 0;
6273 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6276 pieces = ShogiArray;
6277 gameInfo.boardWidth = 9;
6278 gameInfo.boardHeight = 9;
6279 gameInfo.holdingsSize = 7;
6280 nrCastlingRights = 0;
6281 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6284 pieces = ChuArray; pieceRows = 3;
6285 gameInfo.boardWidth = 12;
6286 gameInfo.boardHeight = 12;
6287 nrCastlingRights = 0;
6288 // SetCharTableEsc(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN.........^T..^L......^A^H/^F^G^M.^E^X^O^I.^P.^B^R..^D^S^C^VK"
6289 // "p.brqsexogcathd.vmlifn.........^t..^l......^a^h/^f^g^m.^e^x^o^i.^p.^b^r..^d^s^c^vk", SUFFIXES);
6290 SetCharTableEsc(pieceToChar, "P.BRQSEXOG...HD..^DLI^HNV........^T..^L.C...A^AFT/^F^G^M.^E^X^O^I.^P.^B^R..M^S^C^VK"
6291 "p.brqsexog...hd..^dli^hnv........^t..^l.c...a^aft/^f^g^m.^e^x^o^i.^p.^b^r..m^s^c^vk", SUFFIXES);
6293 case VariantCourier:
6294 pieces = CourierArray;
6295 gameInfo.boardWidth = 12;
6296 nrCastlingRights = 0;
6297 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6299 case VariantKnightmate:
6300 pieces = KnightmateArray;
6301 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6303 case VariantSpartan:
6304 pieces = SpartanArray;
6305 SetCharTable(pieceToChar, "PNBRQ.....................K......lw......g...h......ck");
6309 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6311 case VariantChuChess:
6312 pieces = ChuChessArray;
6313 gameInfo.boardWidth = 10;
6314 gameInfo.boardHeight = 10;
6315 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6318 pieces = fairyArray;
6319 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6322 pieces = GreatArray;
6323 gameInfo.boardWidth = 10;
6324 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6325 gameInfo.holdingsSize = 8;
6329 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6330 gameInfo.holdingsSize = 8;
6331 startedFromSetupPosition = TRUE;
6333 case VariantCrazyhouse:
6334 case VariantBughouse:
6336 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6337 gameInfo.holdingsSize = 5;
6339 case VariantWildCastle:
6341 /* !!?shuffle with kings guaranteed to be on d or e file */
6342 shuffleOpenings = 1;
6344 case VariantNoCastle:
6346 nrCastlingRights = 0;
6347 /* !!?unconstrained back-rank shuffle */
6348 shuffleOpenings = 1;
6353 if(appData.NrFiles >= 0) {
6354 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6355 gameInfo.boardWidth = appData.NrFiles;
6357 if(appData.NrRanks >= 0) {
6358 gameInfo.boardHeight = appData.NrRanks;
6360 if(appData.holdingsSize >= 0) {
6361 i = appData.holdingsSize;
6362 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6363 gameInfo.holdingsSize = i;
6365 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6366 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6367 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6369 handSize = BOARD_HEIGHT;
6370 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6371 if(pawnRow < 1) pawnRow = 1;
6372 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6373 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6374 if(gameInfo.variant == VariantChu) pawnRow = 3;
6376 /* User pieceToChar list overrules defaults */
6377 if(appData.pieceToCharTable != NULL)
6378 SetCharTableEsc(pieceToChar, appData.pieceToCharTable, SUFFIXES);
6380 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6382 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6383 s = (ChessSquare) 0; /* account holding counts in guard band */
6384 for( i=0; i<BOARD_HEIGHT; i++ )
6385 initialPosition[i][j] = s;
6387 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6388 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6389 initialPosition[pawnRow][j] = WhitePawn;
6390 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6391 if(gameInfo.variant == VariantXiangqi) {
6393 initialPosition[pawnRow][j] =
6394 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6395 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6396 initialPosition[2][j] = WhiteCannon;
6397 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6401 if(gameInfo.variant == VariantChu) {
6402 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6403 initialPosition[pawnRow+1][j] = WhiteCobra,
6404 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6405 for(i=1; i<pieceRows; i++) {
6406 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6407 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6410 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6411 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6412 initialPosition[0][j] = WhiteRook;
6413 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6416 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6418 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6419 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6422 initialPosition[1][j] = WhiteBishop;
6423 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6425 initialPosition[1][j] = WhiteRook;
6426 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6429 if( nrCastlingRights == -1) {
6430 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6431 /* This sets default castling rights from none to normal corners */
6432 /* Variants with other castling rights must set them themselves above */
6433 nrCastlingRights = 6;
6435 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6436 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6437 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6438 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6439 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6440 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6443 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6444 if(gameInfo.variant == VariantGreat) { // promotion commoners
6445 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6446 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6447 initialPosition[handSize-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6448 initialPosition[handSize-1-PieceToNumber(WhiteMan)][1] = 9;
6450 if( gameInfo.variant == VariantSChess ) {
6451 initialPosition[1][0] = BlackMarshall;
6452 initialPosition[2][0] = BlackAngel;
6453 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6454 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6455 initialPosition[1][1] = initialPosition[2][1] =
6456 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6458 initialPosition[CHECK_COUNT] = (gameInfo.variant == Variant3Check ? 0x303 : 0);
6459 if (appData.debugMode) {
6460 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6462 if(shuffleOpenings) {
6463 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6464 startedFromSetupPosition = TRUE;
6466 if(startedFromPositionFile) {
6467 /* [HGM] loadPos: use PositionFile for every new game */
6468 CopyBoard(initialPosition, filePosition);
6469 for(i=0; i<nrCastlingRights; i++)
6470 initialRights[i] = filePosition[CASTLING][i];
6471 startedFromSetupPosition = TRUE;
6473 if(*appData.men) LoadPieceDesc(appData.men);
6475 CopyBoard(boards[0], initialPosition);
6477 if(oldx != gameInfo.boardWidth ||
6478 oldy != gameInfo.boardHeight ||
6479 oldv != gameInfo.variant ||
6480 oldh != gameInfo.holdingsWidth
6482 InitDrawingSizes(-2 ,0);
6484 oldv = gameInfo.variant;
6486 DrawPosition(TRUE, boards[currentMove]);
6490 SendBoard (ChessProgramState *cps, int moveNum)
6492 char message[MSG_SIZ];
6494 if (cps->useSetboard) {
6495 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6496 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6497 SendToProgram(message, cps);
6502 int i, j, left=0, right=BOARD_WIDTH;
6503 /* Kludge to set black to move, avoiding the troublesome and now
6504 * deprecated "black" command.
6506 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6507 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn && !pieceDesc[WhitePawn] ? "a2a3\n" : "black\nforce\n", cps);
6509 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6511 SendToProgram("edit\n", cps);
6512 SendToProgram("#\n", cps);
6513 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6514 bp = &boards[moveNum][i][left];
6515 for (j = left; j < right; j++, bp++) {
6516 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6517 if ((int) *bp < (int) BlackPawn) {
6518 if(j == BOARD_RGHT+1)
6519 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6520 else snprintf(message, MSG_SIZ, "%c%c%d\n", PieceToChar(*bp), AAA + j, ONE + i - '0');
6521 if(message[0] == '+' || message[0] == '~') {
6522 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6523 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6524 AAA + j, ONE + i - '0');
6526 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6527 message[1] = BOARD_RGHT - 1 - j + '1';
6528 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6530 SendToProgram(message, cps);
6535 SendToProgram("c\n", cps);
6536 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6537 bp = &boards[moveNum][i][left];
6538 for (j = left; j < right; j++, bp++) {
6539 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6540 if (((int) *bp != (int) EmptySquare)
6541 && ((int) *bp >= (int) BlackPawn)) {
6542 if(j == BOARD_LEFT-2)
6543 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6544 else snprintf(message,MSG_SIZ, "%c%c%d\n", ToUpper(PieceToChar(*bp)),
6545 AAA + j, ONE + i - '0');
6546 if(message[0] == '+' || message[0] == '~') {
6547 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6548 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6549 AAA + j, ONE + i - '0');
6551 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6552 message[1] = BOARD_RGHT - 1 - j + '1';
6553 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6555 SendToProgram(message, cps);
6560 SendToProgram(".\n", cps);
6562 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6565 char exclusionHeader[MSG_SIZ];
6566 int exCnt, excludePtr;
6567 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6568 static Exclusion excluTab[200];
6569 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6575 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6576 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6582 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6583 excludePtr = 24; exCnt = 0;
6588 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6589 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6590 char buf[2*MOVE_LEN], *p;
6591 Exclusion *e = excluTab;
6593 for(i=0; i<exCnt; i++)
6594 if(e[i].ff == fromX && e[i].fr == fromY &&
6595 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6596 if(i == exCnt) { // was not in exclude list; add it
6597 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6598 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6599 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6602 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6603 excludePtr++; e[i].mark = excludePtr++;
6604 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6607 exclusionHeader[e[i].mark] = state;
6611 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6612 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6616 if((signed char)promoChar == -1) { // kludge to indicate best move
6617 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6618 return 1; // if unparsable, abort
6620 // update exclusion map (resolving toggle by consulting existing state)
6621 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6623 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6624 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6625 excludeMap[k] |= 1<<j;
6626 else excludeMap[k] &= ~(1<<j);
6628 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6630 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6631 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6633 return (state == '+');
6637 ExcludeClick (int index)
6640 Exclusion *e = excluTab;
6641 if(index < 25) { // none, best or tail clicked
6642 if(index < 13) { // none: include all
6643 WriteMap(0); // clear map
6644 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6645 SendToBoth("include all\n"); // and inform engine
6646 } else if(index > 18) { // tail
6647 if(exclusionHeader[19] == '-') { // tail was excluded
6648 SendToBoth("include all\n");
6649 WriteMap(0); // clear map completely
6650 // now re-exclude selected moves
6651 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6652 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6653 } else { // tail was included or in mixed state
6654 SendToBoth("exclude all\n");
6655 WriteMap(0xFF); // fill map completely
6656 // now re-include selected moves
6657 j = 0; // count them
6658 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6659 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6660 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6663 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6666 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6667 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6668 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6675 DefaultPromoChoice (int white)
6678 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6679 gameInfo.variant == VariantMakruk)
6680 result = WhiteFerz; // no choice
6681 else if(gameInfo.variant == VariantASEAN)
6682 result = WhiteRook; // no choice
6683 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6684 result= WhiteKing; // in Suicide Q is the last thing we want
6685 else if(gameInfo.variant == VariantSpartan)
6686 result = white ? WhiteQueen : WhiteAngel;
6687 else result = WhiteQueen;
6688 if(!white) result = WHITE_TO_BLACK result;
6692 static int autoQueen; // [HGM] oneclick
6695 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6697 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6698 /* [HGM] add Shogi promotions */
6699 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6700 ChessSquare piece, partner;
6704 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6705 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6707 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6708 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6711 if(legal[toY][toX] == 4) return FALSE;
6713 piece = boards[currentMove][fromY][fromX];
6714 if(gameInfo.variant == VariantChu) {
6715 promotionZoneSize = (BOARD_HEIGHT - deadRanks)/3;
6716 if(legal[toY][toX] == 6) return FALSE; // no promotion if highlights deny it
6717 highestPromotingPiece = (PieceToChar(piece) == '+' || PieceToChar(CHUPROMOTED(piece)) != '+') ? WhitePawn : WhiteKing;
6718 } else if(gameInfo.variant == VariantShogi) {
6719 promotionZoneSize = (BOARD_HEIGHT- deadRanks)/3 +(BOARD_HEIGHT == 8);
6720 highestPromotingPiece = (int)WhiteAlfil;
6721 if(PieceToChar(piece) != '+' || PieceToChar(CHUPROMOTED(piece)) == '+') highestPromotingPiece = piece;
6722 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6723 promotionZoneSize = 3;
6726 // Treat Lance as Pawn when it is not representing Amazon or Lance
6727 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6728 if(piece == WhiteLance) piece = WhitePawn; else
6729 if(piece == BlackLance) piece = BlackPawn;
6732 // next weed out all moves that do not touch the promotion zone at all
6733 if((int)piece >= BlackPawn) {
6734 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6736 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6737 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6739 if( toY < BOARD_HEIGHT - deadRanks - promotionZoneSize &&
6740 fromY < BOARD_HEIGHT - deadRanks - promotionZoneSize) return FALSE;
6741 if(fromY >= BOARD_HEIGHT - deadRanks - promotionZoneSize && gameInfo.variant == VariantChuChess)
6745 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6747 // weed out mandatory Shogi promotions
6748 if(gameInfo.variant == VariantShogi) {
6749 if(piece >= BlackPawn) {
6750 if(toY == 0 && piece == BlackPawn ||
6751 toY == 0 && piece == BlackQueen ||
6752 toY <= 1 && piece == BlackKnight) {
6757 if(toY == BOARD_HEIGHT-deadRanks-1 && piece == WhitePawn ||
6758 toY == BOARD_HEIGHT-deadRanks-1 && piece == WhiteQueen ||
6759 toY >= BOARD_HEIGHT-deadRanks-2 && piece == WhiteKnight) {
6766 // weed out obviously illegal Pawn moves
6767 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6768 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6769 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6770 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6771 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6772 // note we are not allowed to test for valid (non-)capture, due to premove
6775 // we either have a choice what to promote to, or (in Shogi) whether to promote
6776 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6777 gameInfo.variant == VariantMakruk) {
6778 ChessSquare p=BlackFerz; // no choice
6779 while(p < EmptySquare) { //but make sure we use piece that exists
6780 *promoChoice = PieceToChar(p++);
6781 if(*promoChoice != '.') break;
6783 if(!*engineVariant) return FALSE; // if used as parent variant there might be promotion choice
6785 // no sense asking what we must promote to if it is going to explode...
6786 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6787 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6790 // give caller the default choice even if we will not make it
6791 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6792 partner = piece; // pieces can promote if the pieceToCharTable says so
6793 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6794 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6795 if( sweepSelect && gameInfo.variant != VariantGreat
6796 && gameInfo.variant != VariantGrand
6797 && gameInfo.variant != VariantSuper) return FALSE;
6798 if(autoQueen) return FALSE; // predetermined
6800 // suppress promotion popup on illegal moves that are not premoves
6801 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6802 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6803 if(appData.testLegality && !premove) {
6804 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6805 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6806 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6807 if(moveType != WhitePromotion && moveType != BlackPromotion)
6815 InPalace (int row, int column)
6816 { /* [HGM] for Xiangqi */
6817 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6818 column < (BOARD_WIDTH + 4)/2 &&
6819 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6824 PieceForSquare (int x, int y)
6826 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6829 return boards[currentMove][y][x];
6833 OKToStartUserMove (int x, int y)
6835 ChessSquare from_piece;
6838 if (matchMode) return FALSE;
6839 if (gameMode == EditPosition) return TRUE;
6841 if (x >= 0 && y >= 0)
6842 from_piece = boards[currentMove][y][x];
6844 from_piece = EmptySquare;
6846 if (from_piece == EmptySquare) return FALSE;
6848 white_piece = (int)from_piece >= (int)WhitePawn &&
6849 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6853 case TwoMachinesPlay:
6861 case MachinePlaysWhite:
6862 case IcsPlayingBlack:
6863 if (appData.zippyPlay) return FALSE;
6865 DisplayMoveError(_("You are playing Black"));
6870 case MachinePlaysBlack:
6871 case IcsPlayingWhite:
6872 if (appData.zippyPlay) return FALSE;
6874 DisplayMoveError(_("You are playing White"));
6879 case PlayFromGameFile:
6880 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6883 if (!white_piece && WhiteOnMove(currentMove)) {
6884 DisplayMoveError(_("It is White's turn"));
6887 if (white_piece && !WhiteOnMove(currentMove)) {
6888 DisplayMoveError(_("It is Black's turn"));
6891 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6892 /* Editing correspondence game history */
6893 /* Could disallow this or prompt for confirmation */
6898 case BeginningOfGame:
6899 if (appData.icsActive) return FALSE;
6900 if (!appData.noChessProgram) {
6902 DisplayMoveError(_("You are playing White"));
6909 if (!white_piece && WhiteOnMove(currentMove)) {
6910 DisplayMoveError(_("It is White's turn"));
6913 if (white_piece && !WhiteOnMove(currentMove)) {
6914 DisplayMoveError(_("It is Black's turn"));
6923 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6924 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6925 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6926 && gameMode != AnalyzeFile && gameMode != Training) {
6927 DisplayMoveError(_("Displayed position is not current"));
6934 OnlyMove (int *x, int *y, Boolean captures)
6936 DisambiguateClosure cl;
6937 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6939 case MachinePlaysBlack:
6940 case IcsPlayingWhite:
6941 case BeginningOfGame:
6942 if(!WhiteOnMove(currentMove)) return FALSE;
6944 case MachinePlaysWhite:
6945 case IcsPlayingBlack:
6946 if(WhiteOnMove(currentMove)) return FALSE;
6953 cl.pieceIn = EmptySquare;
6958 cl.promoCharIn = NULLCHAR;
6959 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6960 if( cl.kind == NormalMove ||
6961 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6962 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6963 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6970 if(cl.kind != ImpossibleMove) return FALSE;
6971 cl.pieceIn = EmptySquare;
6976 cl.promoCharIn = NULLCHAR;
6977 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6978 if( cl.kind == NormalMove ||
6979 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6980 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6981 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6986 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6992 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6993 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6994 int lastLoadGameUseList = FALSE;
6995 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6996 ChessMove lastLoadGameStart = EndOfFile;
6998 Boolean addToBookFlag;
6999 static Board rightsBoard, nullBoard;
7002 UserMoveEvent (int fromX, int fromY, int toX, int toY, int promoChar)
7006 int ff=fromX, rf=fromY, ft=toX, rt=toY;
7008 /* Check if the user is playing in turn. This is complicated because we
7009 let the user "pick up" a piece before it is his turn. So the piece he
7010 tried to pick up may have been captured by the time he puts it down!
7011 Therefore we use the color the user is supposed to be playing in this
7012 test, not the color of the piece that is currently on the starting
7013 square---except in EditGame mode, where the user is playing both
7014 sides; fortunately there the capture race can't happen. (It can
7015 now happen in IcsExamining mode, but that's just too bad. The user
7016 will get a somewhat confusing message in that case.)
7021 case TwoMachinesPlay:
7025 /* We switched into a game mode where moves are not accepted,
7026 perhaps while the mouse button was down. */
7029 case MachinePlaysWhite:
7030 /* User is moving for Black */
7031 if (WhiteOnMove(currentMove)) {
7032 DisplayMoveError(_("It is White's turn"));
7037 case MachinePlaysBlack:
7038 /* User is moving for White */
7039 if (!WhiteOnMove(currentMove)) {
7040 DisplayMoveError(_("It is Black's turn"));
7045 case PlayFromGameFile:
7046 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
7049 case BeginningOfGame:
7052 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
7053 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
7054 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
7055 /* User is moving for Black */
7056 if (WhiteOnMove(currentMove)) {
7057 DisplayMoveError(_("It is White's turn"));
7061 /* User is moving for White */
7062 if (!WhiteOnMove(currentMove)) {
7063 DisplayMoveError(_("It is Black's turn"));
7069 case IcsPlayingBlack:
7070 /* User is moving for Black */
7071 if (WhiteOnMove(currentMove)) {
7072 if (!appData.premove) {
7073 DisplayMoveError(_("It is White's turn"));
7074 } else if (toX >= 0 && toY >= 0) {
7077 premoveFromX = fromX;
7078 premoveFromY = fromY;
7079 premovePromoChar = promoChar;
7081 if (appData.debugMode)
7082 fprintf(debugFP, "Got premove: fromX %d,"
7083 "fromY %d, toX %d, toY %d\n",
7084 fromX, fromY, toX, toY);
7086 DrawPosition(TRUE, boards[currentMove]); // [HGM] repair animation damage done by premove (in particular emptying from-square)
7091 case IcsPlayingWhite:
7092 /* User is moving for White */
7093 if (!WhiteOnMove(currentMove)) {
7094 if (!appData.premove) {
7095 DisplayMoveError(_("It is Black's turn"));
7096 } else if (toX >= 0 && toY >= 0) {
7099 premoveFromX = fromX;
7100 premoveFromY = fromY;
7101 premovePromoChar = promoChar;
7103 if (appData.debugMode)
7104 fprintf(debugFP, "Got premove: fromX %d,"
7105 "fromY %d, toX %d, toY %d\n",
7106 fromX, fromY, toX, toY);
7108 DrawPosition(TRUE, boards[currentMove]);
7117 /* EditPosition, empty square, or different color piece;
7118 click-click move is possible */
7119 if (toX == -2 || toY == -2) {
7120 boards[0][fromY][fromX] = (boards[0][fromY][fromX] == EmptySquare ? DarkSquare : EmptySquare);
7121 DrawPosition(FALSE, boards[currentMove]);
7123 } else if (toX >= 0 && toY >= 0) {
7124 if(!appData.pieceMenu && toX == fromX && toY == fromY && boards[0][rf][ff] != EmptySquare) {
7125 ChessSquare p = boards[0][rf][ff];
7126 if(PieceToChar(p) == '+') gatingPiece = CHUDEMOTED(p); else
7127 if(PieceToChar(CHUPROMOTED(p)) =='+') gatingPiece = CHUPROMOTED(p); else
7128 if(p == WhiteKing || p == BlackKing || p == WhiteRook || p == BlackRook || p == WhitePawn || p == BlackPawn) {
7129 int n = rightsBoard[toY][toX] ^= 1; // toggle virginity of K or R
7130 DisplayMessage("", n ? _("rights granted") : _("rights revoked"));
7133 } else rightsBoard[toY][toX] = 0; // revoke rights on moving
7134 boards[0][toY][toX] = boards[0][fromY][fromX];
7135 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
7136 if(boards[0][fromY][0] != EmptySquare) {
7137 if(boards[0][fromY][1]) boards[0][fromY][1]--;
7138 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
7141 if(fromX == BOARD_RGHT+1) {
7142 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
7143 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
7144 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
7147 boards[0][fromY][fromX] = gatingPiece;
7149 DrawPosition(FALSE, boards[currentMove]);
7155 if((toX < 0 || toY < 0) && (fromY != DROP_RANK || fromX != EmptySquare)) return;
7156 pup = boards[currentMove][toY][toX];
7158 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
7159 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
7160 if( pup != EmptySquare ) return;
7161 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
7162 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
7163 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
7164 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
7165 if(fromX == 0) fromY = handSize-1 - fromY; // black holdings upside-down
7166 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
7167 while(PieceToChar(fromX) == '.' || PieceToChar(fromX) == '+' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
7171 /* [HGM] always test for legality, to get promotion info */
7172 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
7173 fromY, fromX, toY, toX, promoChar);
7175 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame || PosFlags(0) & F_NULL_MOVE)) moveType = NormalMove;
7177 if(moveType == IllegalMove && legal[toY][toX] > 1) moveType = NormalMove; // someone explicitly told us this move is legal
7179 /* [HGM] but possibly ignore an IllegalMove result */
7180 if (appData.testLegality) {
7181 if (moveType == IllegalMove || moveType == ImpossibleMove) {
7182 DisplayMoveError(_("Illegal move"));
7187 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
7188 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
7189 ClearPremoveHighlights(); // was included
7190 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
7191 DrawPosition(FALSE, NULL);
7195 if(addToBookFlag) { // adding moves to book
7196 char buf[MSG_SIZ], move[MSG_SIZ];
7197 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7198 if(killX >= 0) snprintf(move, MSG_SIZ, "%c%dx%c%d-%c%d%c", fromX + AAA, fromY + ONE - '0',
7199 killX + AAA, killY + ONE - '0', toX + AAA, toY + ONE - '0', promoChar);
7200 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7202 addToBookFlag = FALSE;
7207 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7210 /* Common tail of UserMoveEvent and DropMenuEvent */
7212 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7216 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7217 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7218 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7219 if(WhiteOnMove(currentMove)) {
7220 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7222 if(!boards[currentMove][handSize-1-k][1]) return 0;
7226 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7227 move type in caller when we know the move is a legal promotion */
7228 if(moveType == NormalMove && promoChar)
7229 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7231 /* [HGM] <popupFix> The following if has been moved here from
7232 UserMoveEvent(). Because it seemed to belong here (why not allow
7233 piece drops in training games?), and because it can only be
7234 performed after it is known to what we promote. */
7235 if (gameMode == Training) {
7236 /* compare the move played on the board to the next move in the
7237 * game. If they match, display the move and the opponent's response.
7238 * If they don't match, display an error message.
7242 CopyBoard(testBoard, boards[currentMove]);
7243 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7245 if (CompareBoards(testBoard, boards[currentMove+1])) {
7246 ForwardInner(currentMove+1);
7248 /* Autoplay the opponent's response.
7249 * if appData.animate was TRUE when Training mode was entered,
7250 * the response will be animated.
7252 saveAnimate = appData.animate;
7253 appData.animate = animateTraining;
7254 ForwardInner(currentMove+1);
7255 appData.animate = saveAnimate;
7257 /* check for the end of the game */
7258 if (currentMove >= forwardMostMove) {
7259 gameMode = PlayFromGameFile;
7261 SetTrainingModeOff();
7262 DisplayInformation(_("End of game"));
7265 DisplayError(_("Incorrect move"), 0);
7270 /* Ok, now we know that the move is good, so we can kill
7271 the previous line in Analysis Mode */
7272 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7273 && currentMove < forwardMostMove) {
7274 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7275 else forwardMostMove = currentMove;
7280 /* If we need the chess program but it's dead, restart it */
7281 ResurrectChessProgram();
7283 /* A user move restarts a paused game*/
7287 thinkOutput[0] = NULLCHAR;
7289 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7291 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7292 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7296 if (gameMode == BeginningOfGame) {
7297 if (appData.noChessProgram) {
7298 gameMode = EditGame;
7302 gameMode = MachinePlaysBlack;
7305 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7307 if (first.sendName) {
7308 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7309 SendToProgram(buf, &first);
7316 /* Relay move to ICS or chess engine */
7317 if (appData.icsActive) {
7318 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7319 gameMode == IcsExamining) {
7320 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7321 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7323 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7325 // also send plain move, in case ICS does not understand atomic claims
7326 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7330 if (first.sendTime && (gameMode == BeginningOfGame ||
7331 gameMode == MachinePlaysWhite ||
7332 gameMode == MachinePlaysBlack)) {
7333 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7335 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7336 // [HGM] book: if program might be playing, let it use book
7337 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7338 first.maybeThinking = TRUE;
7339 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7340 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7341 SendBoard(&first, currentMove+1);
7342 if(second.analyzing) {
7343 if(!second.useSetboard) SendToProgram("undo\n", &second);
7344 SendBoard(&second, currentMove+1);
7347 SendMoveToProgram(forwardMostMove-1, &first);
7348 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7350 if (currentMove == cmailOldMove + 1) {
7351 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7355 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7359 if(appData.testLegality)
7360 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7366 if (WhiteOnMove(currentMove)) {
7367 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7369 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7373 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7378 case MachinePlaysBlack:
7379 case MachinePlaysWhite:
7380 /* disable certain menu options while machine is thinking */
7381 SetMachineThinkingEnables();
7388 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7389 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7391 if(bookHit) { // [HGM] book: simulate book reply
7392 static char bookMove[MSG_SIZ]; // a bit generous?
7394 programStats.nodes = programStats.depth = programStats.time =
7395 programStats.score = programStats.got_only_move = 0;
7396 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7398 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7399 strcat(bookMove, bookHit);
7400 HandleMachineMove(bookMove, &first);
7406 MarkByFEN(char *fen)
7409 if(!appData.markers || !appData.highlightDragging) return;
7410 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = marker[r][f] = 0;
7411 r=BOARD_HEIGHT-1-deadRanks; f=BOARD_LEFT;
7414 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7415 if(*fen == 'B') legal[r][f] = 4; else // request auto-promotion to victim
7416 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 6; else
7417 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7418 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7419 if(*fen == 'T') marker[r][f++] = 0; else
7420 if(*fen == 'Y') marker[r][f++] = 1; else
7421 if(*fen == 'G') marker[r][f++] = 3; else
7422 if(*fen == 'B') marker[r][f++] = 4; else
7423 if(*fen == 'C') marker[r][f++] = 5; else
7424 if(*fen == 'M') marker[r][f++] = 6; else
7425 if(*fen == 'W') marker[r][f++] = 7; else
7426 if(*fen == 'D') marker[r][f++] = 8; else
7427 if(*fen == 'R') marker[r][f++] = 2; else {
7428 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7431 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7435 DrawPosition(TRUE, NULL);
7438 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7441 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7443 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7444 Markers *m = (Markers *) closure;
7445 if(rf == fromY && ff == fromX && (killX < 0 ? !(rt == rf && ft == ff) && legNr & 1 :
7446 kill2X < 0 ? rt == killY && ft == killX || legNr & 2 : rt == killY && ft == killX || legNr & 4))
7447 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7448 || kind == WhiteCapturesEnPassant
7449 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && (killX < 0 & legNr || legNr & 2 && kill2X < 0)), legal[rt][ft] = 3;
7450 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 3;
7453 static int hoverSavedValid;
7456 MarkTargetSquares (int clear)
7459 if(clear) { // no reason to ever suppress clearing
7460 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7461 hoverSavedValid = 0;
7462 if(!sum || clear < 0) return; // nothing was cleared,no redraw needed
7465 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7466 !appData.testLegality && !pieceDefs || gameMode == EditPosition) return;
7467 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7468 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7469 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7471 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = legal[y][x] = 0;
7474 DrawPosition(FALSE, NULL);
7478 Explode (Board board, int fromX, int fromY, int toX, int toY)
7480 if(gameInfo.variant == VariantAtomic &&
7481 (board[toY][toX] != EmptySquare || // capture?
7482 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7483 board[fromY][fromX] == BlackPawn )
7485 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7491 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7494 CanPromote (ChessSquare piece, int y)
7496 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7497 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7498 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7499 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7500 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7501 (gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7502 gameInfo.variant == VariantMakruk) && !*engineVariant) return FALSE;
7503 return (piece == BlackPawn && y <= zone ||
7504 piece == WhitePawn && y >= BOARD_HEIGHT-1-deadRanks-zone ||
7505 piece == BlackLance && y <= zone ||
7506 piece == WhiteLance && y >= BOARD_HEIGHT-1-deadRanks-zone );
7510 HoverEvent (int xPix, int yPix, int x, int y)
7512 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7514 if(!first.highlight) return;
7515 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7516 if(x == oldX && y == oldY) return; // only do something if we enter new square
7517 oldFromX = fromX; oldFromY = fromY;
7518 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7519 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7520 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7521 hoverSavedValid = 1;
7522 } else if(oldX != x || oldY != y) {
7523 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7524 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7525 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7526 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7527 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7529 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7530 SendToProgram(buf, &first);
7533 // SetHighlights(fromX, fromY, x, y);
7537 void ReportClick(char *action, int x, int y)
7539 char buf[MSG_SIZ]; // Inform engine of what user does
7541 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7542 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7543 legal[r][f] = !pieceDefs || !appData.markers, marker[r][f] = 0;
7544 if(!first.highlight || gameMode == EditPosition) return;
7545 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7546 SendToProgram(buf, &first);
7549 Boolean right; // instructs front-end to use button-1 events as if they were button 3
7550 Boolean deferChoice;
7553 LeftClick (ClickType clickType, int xPix, int yPix)
7556 static Boolean saveAnimate;
7557 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0, flashing = 0, saveFlash;
7558 char promoChoice = NULLCHAR;
7560 static TimeMark lastClickTime, prevClickTime;
7562 if(flashing) return;
7564 if(!deferChoice) { // when called for a retry, skip everything to the point where we left off
7565 x = EventToSquare(xPix, BOARD_WIDTH);
7566 y = EventToSquare(yPix, BOARD_HEIGHT);
7567 if (!flipView && y >= 0) {
7568 y = BOARD_HEIGHT - 1 - y;
7570 if (flipView && x >= 0) {
7571 x = BOARD_WIDTH - 1 - x;
7574 if(appData.monoMouse && gameMode == EditPosition && fromX < 0 && clickType == Press && boards[currentMove][y][x] == EmptySquare) {
7576 RightClick(clickType, xPix, yPix, &dummy, &dummy);
7581 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7583 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7585 if (clickType == Press) ErrorPopDown();
7586 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7588 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7589 defaultPromoChoice = promoSweep;
7590 promoSweep = EmptySquare; // terminate sweep
7591 promoDefaultAltered = TRUE;
7592 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7595 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7596 if(clickType == Release) return; // ignore upclick of click-click destination
7597 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7598 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7599 if(gameInfo.holdingsWidth &&
7600 (WhiteOnMove(currentMove)
7601 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7602 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7603 // click in right holdings, for determining promotion piece
7604 ChessSquare p = boards[currentMove][y][x];
7605 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7606 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7607 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7608 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7613 DrawPosition(FALSE, boards[currentMove]);
7617 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7618 if(clickType == Press
7619 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7620 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7621 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7624 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7625 // could be static click on premove from-square: abort premove
7627 ClearPremoveHighlights();
7630 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7631 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7633 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7634 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7635 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7636 defaultPromoChoice = DefaultPromoChoice(side);
7639 autoQueen = appData.alwaysPromoteToQueen;
7643 gatingPiece = EmptySquare;
7644 if (clickType != Press) {
7645 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7646 DragPieceEnd(xPix, yPix); dragging = 0;
7647 DrawPosition(FALSE, NULL);
7651 doubleClick = FALSE;
7652 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7653 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7655 fromX = x; fromY = y; toX = toY = killX = killY = kill2X = kill2Y = -1; *promoRestrict = NULLCHAR;
7656 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7657 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7658 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7660 if (OKToStartUserMove(fromX, fromY)) {
7662 ReportClick("lift", x, y);
7663 MarkTargetSquares(0);
7664 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7665 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7666 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7667 promoSweep = defaultPromoChoice;
7668 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7669 Sweep(0); // Pawn that is going to promote: preview promotion piece
7670 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7672 if (appData.highlightDragging) {
7673 SetHighlights(fromX, fromY, -1, -1);
7677 } else fromX = fromY = -1;
7683 if (clickType == Press && gameMode != EditPosition) {
7688 // ignore off-board to clicks
7689 if(y < 0 || x < 0) return;
7691 /* Check if clicking again on the same color piece */
7692 fromP = boards[currentMove][fromY][fromX];
7693 toP = boards[currentMove][y][x];
7694 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7695 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7696 marker[y][x] == 0 && // if engine told we can move to here, do it even if own piece
7697 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7698 WhitePawn <= toP && toP <= WhiteKing &&
7699 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7700 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7701 (BlackPawn <= fromP && fromP <= BlackKing &&
7702 BlackPawn <= toP && toP <= BlackKing &&
7703 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7704 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7705 /* Clicked again on same color piece -- changed his mind */
7706 second = (x == fromX && y == fromY);
7707 killX = killY = kill2X = kill2Y = -1; *promoRestrict = NULLCHAR;
7708 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7709 second = FALSE; // first double-click rather than scond click
7710 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7712 promoDefaultAltered = FALSE;
7713 if(!second) MarkTargetSquares(1);
7714 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7715 if (appData.highlightDragging) {
7716 SetHighlights(x, y, -1, -1);
7720 if (OKToStartUserMove(x, y)) {
7721 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7722 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7723 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7724 gatingPiece = boards[currentMove][fromY][fromX];
7725 else gatingPiece = doubleClick ? fromP : EmptySquare;
7727 fromY = y; dragging = 1;
7728 if(!second) ReportClick("lift", x, y);
7729 MarkTargetSquares(0);
7730 DragPieceBegin(xPix, yPix, FALSE);
7731 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7732 promoSweep = defaultPromoChoice;
7733 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7734 Sweep(0); // Pawn that is going to promote: preview promotion piece
7738 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7741 // ignore clicks on holdings
7742 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7745 if(x == fromX && y == fromY && clickType == Press && gameMode == EditPosition && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7746 gatingPiece = boards[currentMove][fromY][fromX]; // prepare to copy rather than move
7747 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7751 if (clickType == Release && x == fromX && y == fromY && killX < 0 && !sweepSelecting) {
7752 DragPieceEnd(xPix, yPix); dragging = 0;
7754 // a deferred attempt to click-click move an empty square on top of a piece
7755 boards[currentMove][y][x] = EmptySquare;
7757 DrawPosition(FALSE, boards[currentMove]);
7758 fromX = fromY = -1; clearFlag = 0;
7761 if (appData.animateDragging) {
7762 /* Undo animation damage if any */
7763 DrawPosition(FALSE, NULL);
7766 /* Second up/down in same square; just abort move */
7769 gatingPiece = EmptySquare;
7772 ClearPremoveHighlights();
7773 MarkTargetSquares(-1);
7774 DrawPosition(FALSE, NULL); // make user highlights are drawn (and deferred marker clearing)
7776 /* First upclick in same square; start click-click mode */
7777 SetHighlights(x, y, -1, -1);
7784 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] &&
7785 fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
7786 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7787 DisplayMessage(_("only marked squares are legal"),"");
7788 DrawPosition(TRUE, NULL);
7789 return; // ignore to-click
7792 /* we now have a different from- and (possibly off-board) to-square */
7793 /* Completed move */
7794 if(!sweepSelecting) {
7799 piece = boards[currentMove][fromY][fromX];
7801 saveAnimate = appData.animate;
7802 if (clickType == Press) {
7803 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7804 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7805 // must be Edit Position mode with empty-square selected
7806 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7807 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7810 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7813 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7814 killX = kill2X; killY = kill2Y; kill2X = kill2Y = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7816 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7817 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7818 if(appData.sweepSelect) {
7819 promoSweep = defaultPromoChoice;
7820 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED(piece)) == '+') promoSweep = CHUPROMOTED(piece);
7821 selectFlag = 0; lastX = xPix; lastY = yPix;
7822 ReportClick("put", x, y); // extra put to prompt engine for 'choice' command
7823 saveFlash = appData.flashCount; appData.flashCount = 0;
7824 Sweep(0); // Pawn that is going to promote: preview promotion piece
7826 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7827 MarkTargetSquares(1);
7829 return; // promo popup appears on up-click
7831 /* Finish clickclick move */
7832 if (appData.animate || appData.highlightLastMove) {
7833 SetHighlights(fromX, fromY, toX, toY);
7837 MarkTargetSquares(1);
7838 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7839 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7840 *promoRestrict = 0; appData.flashCount = saveFlash;
7841 if (appData.animate || appData.highlightLastMove) {
7842 SetHighlights(fromX, fromY, toX, toY);
7846 MarkTargetSquares(1);
7849 // [HGM] this must be done after the move is made, as with arrow it could lead to a board redraw with piece still on from square
7850 /* Finish drag move */
7851 if (appData.highlightLastMove) {
7852 SetHighlights(fromX, fromY, toX, toY);
7857 if(PieceToChar(CHUPROMOTED(boards[currentMove][fromY][fromX])) == '+')
7858 defaultPromoChoice = CHUPROMOTED(boards[currentMove][fromY][fromX]);
7859 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7860 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7861 dragging *= 2; // flag button-less dragging if we are dragging
7862 MarkTargetSquares(1);
7863 if(x == killX && y == killY) killX = kill2X, killY = kill2Y, kill2X = kill2Y = -1; // cancel last kill
7865 kill2X = killX; kill2Y = killY;
7866 killX = x; killY = y; // remember this square as intermediate
7867 ReportClick("put", x, y); // and inform engine
7868 ReportClick("lift", x, y);
7869 MarkTargetSquares(0);
7873 DragPieceEnd(xPix, yPix); dragging = 0;
7874 /* Don't animate move and drag both */
7875 appData.animate = FALSE;
7876 MarkTargetSquares(-1); // -1 defers displaying marker change to prevent piece reappearing on from-square!
7879 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7880 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7881 ChessSquare piece = boards[currentMove][fromY][fromX];
7882 if(gameMode == EditPosition && piece != EmptySquare &&
7883 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7886 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7887 n = PieceToNumber(piece - (int)BlackPawn);
7888 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7889 boards[currentMove][handSize-1 - n][0] = piece;
7890 boards[currentMove][handSize-1 - n][1]++;
7892 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7893 n = PieceToNumber(piece);
7894 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7895 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7896 boards[currentMove][n][BOARD_WIDTH-2]++;
7898 boards[currentMove][fromY][fromX] = EmptySquare;
7902 MarkTargetSquares(1);
7903 DrawPosition(TRUE, boards[currentMove]);
7907 // off-board moves should not be highlighted
7908 if(x < 0 || y < 0) {
7910 DrawPosition(FALSE, NULL);
7911 } else ReportClick("put", x, y);
7913 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7916 if(legal[toY][toX] == 2) { // highlight-induced promotion
7917 if(piece == defaultPromoChoice) promoChoice = NULLCHAR; // deferral
7918 else promoChoice = ToLower(PieceToChar(defaultPromoChoice));
7919 } else if(legal[toY][toX] == 4) { // blue target square: engine must supply promotion choice
7920 if(!*promoRestrict) { // but has not done that yet
7921 deferChoice = TRUE; // set up retry for when it does
7922 return; // and wait for that
7924 promoChoice = ToLower(*promoRestrict); // force engine's choice
7925 deferChoice = FALSE;
7928 if (legal[toY][toX] == 2 && !appData.sweepSelect || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7929 SetHighlights(fromX, fromY, toX, toY);
7930 MarkTargetSquares(1);
7931 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7932 // [HGM] super: promotion to captured piece selected from holdings
7933 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7934 promotionChoice = TRUE;
7935 // kludge follows to temporarily execute move on display, without promoting yet
7936 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7937 boards[currentMove][toY][toX] = p;
7938 DrawPosition(FALSE, boards[currentMove]);
7939 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7940 boards[currentMove][toY][toX] = q;
7941 DisplayMessage("Click in holdings to choose piece", "");
7944 DrawPosition(FALSE, NULL); // shows piece on from-square during promo popup
7945 PromotionPopUp(promoChoice);
7947 int oldMove = currentMove;
7948 flashing = 1; // prevent recursive calling (by release of to-click) while flashing piece
7949 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7950 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7951 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY), DrawPosition(FALSE, NULL);
7952 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7953 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7954 DrawPosition(TRUE, boards[currentMove]);
7955 else DrawPosition(FALSE, NULL);
7959 appData.animate = saveAnimate;
7960 if (appData.animate || appData.animateDragging) {
7961 /* Undo animation damage if needed */
7962 // DrawPosition(FALSE, NULL);
7967 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7968 { // front-end-free part taken out of PieceMenuPopup
7969 int whichMenu; int xSqr, ySqr;
7971 if(seekGraphUp) { // [HGM] seekgraph
7972 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7973 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7977 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7978 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7979 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7980 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7981 if(action == Press) {
7982 originalFlip = flipView;
7983 flipView = !flipView; // temporarily flip board to see game from partners perspective
7984 DrawPosition(TRUE, partnerBoard);
7985 DisplayMessage(partnerStatus, "");
7987 } else if(action == Release) {
7988 flipView = originalFlip;
7989 DrawPosition(TRUE, boards[currentMove]);
7995 xSqr = EventToSquare(x, BOARD_WIDTH);
7996 ySqr = EventToSquare(y, BOARD_HEIGHT);
7997 if (action == Release) {
7998 if(pieceSweep != EmptySquare) {
7999 EditPositionMenuEvent(pieceSweep, toX, toY);
8000 pieceSweep = EmptySquare;
8001 } else UnLoadPV(); // [HGM] pv
8003 if (action != Press) return -2; // return code to be ignored
8006 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
8008 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
8009 if (xSqr < 0 || ySqr < 0) return -1;
8010 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
8011 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
8012 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
8013 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
8017 if(!appData.icsEngineAnalyze) return -1;
8018 case IcsPlayingWhite:
8019 case IcsPlayingBlack:
8020 if(!appData.zippyPlay) goto noZip;
8023 case MachinePlaysWhite:
8024 case MachinePlaysBlack:
8025 case TwoMachinesPlay: // [HGM] pv: use for showing PV
8026 if (!appData.dropMenu) {
8028 return 2; // flag front-end to grab mouse events
8030 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
8031 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
8034 if (xSqr < 0 || ySqr < 0) return -1;
8035 if (!appData.dropMenu || appData.testLegality &&
8036 gameInfo.variant != VariantBughouse &&
8037 gameInfo.variant != VariantCrazyhouse) return -1;
8038 whichMenu = 1; // drop menu
8044 if (((*fromX = xSqr) < 0) ||
8045 ((*fromY = ySqr) < 0)) {
8046 *fromX = *fromY = -1;
8050 *fromX = BOARD_WIDTH - 1 - *fromX;
8052 *fromY = BOARD_HEIGHT - 1 - *fromY;
8058 Wheel (int dir, int x, int y)
8060 if(gameMode == EditPosition) {
8061 int xSqr = EventToSquare(x, BOARD_WIDTH);
8062 int ySqr = EventToSquare(y, BOARD_HEIGHT);
8063 if(ySqr < 0 || xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return;
8064 if(flipView) xSqr = BOARD_WIDTH - 1 - xSqr; else ySqr = BOARD_HEIGHT - 1 - ySqr;
8066 boards[currentMove][ySqr][xSqr] += dir;
8067 if((int) boards[currentMove][ySqr][xSqr] < WhitePawn) boards[currentMove][ySqr][xSqr] = BlackKing;
8068 if((int) boards[currentMove][ySqr][xSqr] > BlackKing) boards[currentMove][ySqr][xSqr] = WhitePawn;
8069 } while(PieceToChar(boards[currentMove][ySqr][xSqr]) == '.');
8070 DrawPosition(FALSE, boards[currentMove]);
8071 } else if(dir > 0) ForwardEvent(); else BackwardEvent();
8075 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
8077 // char * hint = lastHint;
8078 FrontEndProgramStats stats;
8080 stats.which = cps == &first ? 0 : 1;
8081 stats.depth = cpstats->depth;
8082 stats.nodes = cpstats->nodes;
8083 stats.score = cpstats->score;
8084 stats.time = cpstats->time;
8085 stats.pv = cpstats->movelist;
8086 stats.hint = lastHint;
8087 stats.an_move_index = 0;
8088 stats.an_move_count = 0;
8090 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
8091 stats.hint = cpstats->move_name;
8092 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
8093 stats.an_move_count = cpstats->nr_moves;
8096 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
8098 if( gameMode == AnalyzeMode && stats.pv && stats.pv[0]
8099 && appData.analysisBell && stats.time >= 100*appData.analysisBell ) RingBell();
8101 SetProgramStats( &stats );
8105 ClearEngineOutputPane (int which)
8107 static FrontEndProgramStats dummyStats;
8108 dummyStats.which = which;
8109 dummyStats.pv = "#";
8110 SetProgramStats( &dummyStats );
8113 #define MAXPLAYERS 500
8116 TourneyStandings (int display)
8118 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
8119 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
8120 char result, *p, *names[MAXPLAYERS];
8122 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
8123 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
8124 names[0] = p = strdup(appData.participants);
8125 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
8127 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
8129 while(result = appData.results[nr]) {
8130 color = Pairing(nr, nPlayers, &w, &b, &dummy);
8131 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
8132 wScore = bScore = 0;
8134 case '+': wScore = 2; break;
8135 case '-': bScore = 2; break;
8136 case '=': wScore = bScore = 1; break;
8138 case '*': return strdup("busy"); // tourney not finished
8146 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
8147 for(w=0; w<nPlayers; w++) {
8149 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
8150 ranking[w] = b; points[w] = bScore; score[b] = -2;
8152 p = malloc(nPlayers*34+1);
8153 for(w=0; w<nPlayers && w<display; w++)
8154 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
8160 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
8161 { // count all piece types
8163 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
8164 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
8165 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8168 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
8169 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
8170 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
8171 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
8172 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
8173 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
8178 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
8180 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
8181 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
8183 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
8184 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
8185 if(myPawns == 2 && nMine == 3) // KPP
8186 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
8187 if(myPawns == 1 && nMine == 2) // KP
8188 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8189 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
8190 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
8191 if(myPawns) return FALSE;
8192 if(pCnt[WhiteRook+side])
8193 return pCnt[BlackRook-side] ||
8194 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
8195 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
8196 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
8197 if(pCnt[WhiteCannon+side]) {
8198 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
8199 return majorDefense || pCnt[BlackAlfil-side] >= 2;
8201 if(pCnt[WhiteKnight+side])
8202 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8207 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
8209 VariantClass v = gameInfo.variant;
8211 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
8212 if(v == VariantShatranj) return TRUE; // always winnable through baring
8213 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
8214 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
8216 if(v == VariantXiangqi) {
8217 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
8219 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
8220 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
8221 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
8222 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
8223 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
8224 if(stale) // we have at least one last-rank P plus perhaps C
8225 return majors // KPKX
8226 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
8228 return pCnt[WhiteFerz+side] // KCAK
8229 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
8230 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
8231 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
8233 } else if(v == VariantKnightmate) {
8234 if(nMine == 1) return FALSE;
8235 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
8236 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
8237 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
8239 if(nMine == 1) return FALSE; // bare King
8240 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
8241 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
8242 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
8243 // by now we have King + 1 piece (or multiple Bishops on the same color)
8244 if(pCnt[WhiteKnight+side])
8245 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
8246 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
8247 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
8249 return (pCnt[BlackKnight-side]); // KBKN, KFKN
8250 if(pCnt[WhiteAlfil+side])
8251 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
8252 if(pCnt[WhiteWazir+side])
8253 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8260 CompareWithRights (Board b1, Board b2)
8263 if(!CompareBoards(b1, b2)) return FALSE;
8264 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8265 /* compare castling rights */
8266 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8267 rights++; /* King lost rights, while rook still had them */
8268 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8269 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8270 rights++; /* but at least one rook lost them */
8272 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8274 if( b1[CASTLING][5] != NoRights ) {
8275 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8282 Adjudicate (ChessProgramState *cps)
8283 { // [HGM] some adjudications useful with buggy engines
8284 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8285 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8286 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8287 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8288 int k, drop, count = 0; static int bare = 1;
8289 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8290 Boolean canAdjudicate = !appData.icsActive;
8292 // most tests only when we understand the game, i.e. legality-checking on
8293 if( appData.testLegality )
8294 { /* [HGM] Some more adjudications for obstinate engines */
8295 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+2], i;
8296 static int moveCount = 6;
8298 char *reason = NULL;
8300 /* Count what is on board. */
8301 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8303 /* Some material-based adjudications that have to be made before stalemate test */
8304 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8305 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8306 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8307 if(canAdjudicate && appData.checkMates) {
8309 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8310 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8311 "Xboard adjudication: King destroyed", GE_XBOARD );
8316 /* Bare King in Shatranj (loses) or Losers (wins) */
8317 if( nrW == 1 || nrB == 1) {
8318 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8319 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8320 if(canAdjudicate && appData.checkMates) {
8322 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8323 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8324 "Xboard adjudication: Bare king", GE_XBOARD );
8328 if( gameInfo.variant == VariantShatranj && --bare < 0)
8330 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8331 if(canAdjudicate && appData.checkMates) {
8332 /* but only adjudicate if adjudication enabled */
8334 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8335 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8336 "Xboard adjudication: Bare king", GE_XBOARD );
8343 // don't wait for engine to announce game end if we can judge ourselves
8344 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8346 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8347 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8348 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8349 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8352 reason = "Xboard adjudication: 3rd check";
8353 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8364 reason = "Xboard adjudication: Stalemate";
8365 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8366 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8367 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8368 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8369 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8370 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8371 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8372 EP_CHECKMATE : EP_WINS);
8373 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8374 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8378 reason = "Xboard adjudication: Checkmate";
8379 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8380 if(gameInfo.variant == VariantShogi) {
8381 if(forwardMostMove > backwardMostMove
8382 && moveList[forwardMostMove-1][1] == '@'
8383 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8384 reason = "XBoard adjudication: pawn-drop mate";
8385 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8391 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8393 result = GameIsDrawn; break;
8395 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8397 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8401 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8403 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8404 GameEnds( result, reason, GE_XBOARD );
8408 /* Next absolutely insufficient mating material. */
8409 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8410 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8411 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8413 /* always flag draws, for judging claims */
8414 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8416 if(canAdjudicate && appData.materialDraws) {
8417 /* but only adjudicate them if adjudication enabled */
8418 if(engineOpponent) {
8419 SendToProgram("force\n", engineOpponent); // suppress reply
8420 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8422 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8427 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8428 if(gameInfo.variant == VariantXiangqi ?
8429 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8431 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8432 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8433 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8434 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8436 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8437 { /* if the first 3 moves do not show a tactical win, declare draw */
8438 if(engineOpponent) {
8439 SendToProgram("force\n", engineOpponent); // suppress reply
8440 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8442 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8445 } else moveCount = 6;
8448 // Repetition draws and 50-move rule can be applied independently of legality testing
8450 /* Check for rep-draws */
8452 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8453 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8454 for(k = forwardMostMove-2;
8455 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8456 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8457 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8460 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8461 /* compare castling rights */
8462 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8463 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8464 rights++; /* King lost rights, while rook still had them */
8465 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8466 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8467 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8468 rights++; /* but at least one rook lost them */
8470 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8471 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8473 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8474 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8475 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8478 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8479 && appData.drawRepeats > 1) {
8480 /* adjudicate after user-specified nr of repeats */
8481 int result = GameIsDrawn;
8482 char *details = "XBoard adjudication: repetition draw";
8483 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8484 // [HGM] xiangqi: check for forbidden perpetuals
8485 int m, ourPerpetual = 1, hisPerpetual = 1;
8486 for(m=forwardMostMove; m>k; m-=2) {
8487 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8488 ourPerpetual = 0; // the current mover did not always check
8489 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8490 hisPerpetual = 0; // the opponent did not always check
8492 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8493 ourPerpetual, hisPerpetual);
8494 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8495 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8496 details = "Xboard adjudication: perpetual checking";
8498 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8499 break; // (or we would have caught him before). Abort repetition-checking loop.
8501 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8502 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8504 details = "Xboard adjudication: repetition";
8506 } else // it must be XQ
8507 // Now check for perpetual chases
8508 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8509 hisPerpetual = PerpetualChase(k, forwardMostMove);
8510 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8511 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8512 static char resdet[MSG_SIZ];
8513 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8515 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8517 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8518 break; // Abort repetition-checking loop.
8520 // if neither of us is checking or chasing all the time, or both are, it is draw
8522 if(engineOpponent) {
8523 SendToProgram("force\n", engineOpponent); // suppress reply
8524 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8526 GameEnds( result, details, GE_XBOARD );
8529 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8530 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8534 /* Now we test for 50-move draws. Determine ply count */
8535 count = forwardMostMove;
8536 /* look for last irreversble move */
8537 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8539 /* if we hit starting position, add initial plies */
8540 if( count == backwardMostMove )
8541 count -= initialRulePlies;
8542 count = forwardMostMove - count;
8543 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8544 // adjust reversible move counter for checks in Xiangqi
8545 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8546 if(i < backwardMostMove) i = backwardMostMove;
8547 while(i <= forwardMostMove) {
8548 lastCheck = inCheck; // check evasion does not count
8549 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8550 if(inCheck || lastCheck) count--; // check does not count
8555 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8556 /* this is used to judge if draw claims are legal */
8557 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8558 if(engineOpponent) {
8559 SendToProgram("force\n", engineOpponent); // suppress reply
8560 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8562 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8566 /* if draw offer is pending, treat it as a draw claim
8567 * when draw condition present, to allow engines a way to
8568 * claim draws before making their move to avoid a race
8569 * condition occurring after their move
8571 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8573 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8574 p = "Draw claim: 50-move rule";
8575 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8576 p = "Draw claim: 3-fold repetition";
8577 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8578 p = "Draw claim: insufficient mating material";
8579 if( p != NULL && canAdjudicate) {
8580 if(engineOpponent) {
8581 SendToProgram("force\n", engineOpponent); // suppress reply
8582 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8584 GameEnds( GameIsDrawn, p, GE_XBOARD );
8589 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8590 if(engineOpponent) {
8591 SendToProgram("force\n", engineOpponent); // suppress reply
8592 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8594 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8600 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8601 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8602 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8607 int pieces[10], squares[10], cnt=0, r, f, res;
8609 static PPROBE_EGBB probeBB;
8610 if(!appData.testLegality) return 10;
8611 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8612 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8613 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8614 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8615 ChessSquare piece = boards[forwardMostMove][r][f];
8616 int black = (piece >= BlackPawn);
8617 int type = piece - black*BlackPawn;
8618 if(piece == EmptySquare) continue;
8619 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8620 if(type == WhiteKing) type = WhiteQueen + 1;
8621 type = egbbCode[type];
8622 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8623 pieces[cnt] = type + black*6;
8624 if(++cnt > 5) return 11;
8626 pieces[cnt] = squares[cnt] = 0;
8628 if(loaded == 2) return 13; // loading failed before
8630 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8633 loaded = 2; // prepare for failure
8634 if(!path) return 13; // no egbb installed
8635 strncpy(buf, path + 8, MSG_SIZ);
8636 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8637 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8638 lib = LoadLibrary(buf);
8639 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8640 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8641 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8642 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8643 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8644 loaded = 1; // success!
8646 res = probeBB(forwardMostMove & 1, pieces, squares);
8647 return res > 0 ? 1 : res < 0 ? -1 : 0;
8651 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8652 { // [HGM] book: this routine intercepts moves to simulate book replies
8653 char *bookHit = NULL;
8655 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8657 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8658 SendToProgram(buf, cps);
8660 //first determine if the incoming move brings opponent into his book
8661 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8662 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8663 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8664 if(bookHit != NULL && !cps->bookSuspend) {
8665 // make sure opponent is not going to reply after receiving move to book position
8666 SendToProgram("force\n", cps);
8667 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8669 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8670 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8671 // now arrange restart after book miss
8673 // after a book hit we never send 'go', and the code after the call to this routine
8674 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8675 char buf[MSG_SIZ], *move = bookHit;
8677 int fromX, fromY, toX, toY;
8681 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8682 &fromX, &fromY, &toX, &toY, &promoChar)) {
8683 (void) CoordsToAlgebraic(boards[forwardMostMove],
8684 PosFlags(forwardMostMove),
8685 fromY, fromX, toY, toX, promoChar, move);
8687 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8691 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8692 SendToProgram(buf, cps);
8693 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8694 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8695 SendToProgram("go\n", cps);
8696 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8697 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8698 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8699 SendToProgram("go\n", cps);
8700 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8702 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8706 LoadError (char *errmess, ChessProgramState *cps)
8707 { // unloads engine and switches back to -ncp mode if it was first
8708 if(cps->initDone) return FALSE;
8709 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8710 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8713 appData.noChessProgram = TRUE;
8714 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8715 gameMode = BeginningOfGame; ModeHighlight();
8718 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8719 DisplayMessage("", ""); // erase waiting message
8720 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8725 ChessProgramState *savedState;
8727 DeferredBookMove (void)
8729 if(savedState->lastPing != savedState->lastPong)
8730 ScheduleDelayedEvent(DeferredBookMove, 10);
8732 HandleMachineMove(savedMessage, savedState);
8735 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8736 static ChessProgramState *stalledEngine;
8737 static char stashedInputMove[MSG_SIZ], abortEngineThink;
8740 HandleMachineMove (char *message, ChessProgramState *cps)
8742 static char firstLeg[20], legs;
8743 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8744 char realname[MSG_SIZ];
8745 int fromX, fromY, toX, toY;
8747 char promoChar, roar;
8752 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8753 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8754 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8755 DisplayError(_("Invalid pairing from pairing engine"), 0);
8758 pairingReceived = 1;
8760 return; // Skim the pairing messages here.
8763 oldError = cps->userError; cps->userError = 0;
8765 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8767 * Kludge to ignore BEL characters
8769 while (*message == '\007') message++;
8772 * [HGM] engine debug message: ignore lines starting with '#' character
8774 if(cps->debug && *message == '#') return;
8777 * Look for book output
8779 if (cps == &first && bookRequested) {
8780 if (message[0] == '\t' || message[0] == ' ') {
8781 /* Part of the book output is here; append it */
8782 strcat(bookOutput, message);
8783 strcat(bookOutput, " \n");
8785 } else if (bookOutput[0] != NULLCHAR) {
8786 /* All of book output has arrived; display it */
8787 char *p = bookOutput;
8788 while (*p != NULLCHAR) {
8789 if (*p == '\t') *p = ' ';
8792 DisplayInformation(bookOutput);
8793 bookRequested = FALSE;
8794 /* Fall through to parse the current output */
8799 * Look for machine move.
8801 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8802 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8804 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8805 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8806 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8807 stalledEngine = cps;
8808 if(appData.ponderNextMove) { // bring opponent out of ponder
8809 if(gameMode == TwoMachinesPlay) {
8810 if(cps->other->pause)
8811 PauseEngine(cps->other);
8813 SendToProgram("easy\n", cps->other);
8822 /* This method is only useful on engines that support ping */
8823 if(abortEngineThink) {
8824 if (appData.debugMode) {
8825 fprintf(debugFP, "Undoing move from aborted think of %s\n", cps->which);
8827 SendToProgram("undo\n", cps);
8831 if (cps->lastPing != cps->lastPong) {
8832 /* Extra move from before last new; ignore */
8833 if (appData.debugMode) {
8834 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8841 int machineWhite = FALSE;
8844 case BeginningOfGame:
8845 /* Extra move from before last reset; ignore */
8846 if (appData.debugMode) {
8847 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8854 /* Extra move after we tried to stop. The mode test is
8855 not a reliable way of detecting this problem, but it's
8856 the best we can do on engines that don't support ping.
8858 if (appData.debugMode) {
8859 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8860 cps->which, gameMode);
8862 SendToProgram("undo\n", cps);
8865 case MachinePlaysWhite:
8866 case IcsPlayingWhite:
8867 machineWhite = TRUE;
8870 case MachinePlaysBlack:
8871 case IcsPlayingBlack:
8872 machineWhite = FALSE;
8875 case TwoMachinesPlay:
8876 machineWhite = (cps->twoMachinesColor[0] == 'w');
8879 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8880 if (appData.debugMode) {
8882 "Ignoring move out of turn by %s, gameMode %d"
8883 ", forwardMost %d\n",
8884 cps->which, gameMode, forwardMostMove);
8890 if(cps->alphaRank) AlphaRank(machineMove, 4);
8892 // [HGM] lion: (some very limited) support for Alien protocol
8893 killX = killY = kill2X = kill2Y = -1;
8894 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8895 if(legs++) return; // middle leg contains only redundant info, ignore (but count it)
8896 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8899 if(p = strchr(machineMove, ',')) { // we got both legs in one (happens on book move)
8900 char *q = strchr(p+1, ','); // second comma?
8901 safeStrCpy(firstLeg, machineMove, 20); // kludge: fake we received the first leg earlier, and clip it off
8902 if(q) legs = 2, p = q; else legs = 1; // with 3-leg move we clipof first two legs!
8903 safeStrCpy(machineMove, firstLeg + (p - machineMove) + 1, 20);
8905 if(firstLeg[0]) { // there was a previous leg;
8906 // only support case where same piece makes two step
8907 char buf[20], *p = machineMove+1, *q = buf+1, f;
8908 safeStrCpy(buf, machineMove, 20);
8909 while(isdigit(*q)) q++; // find start of to-square
8910 safeStrCpy(machineMove, firstLeg, 20);
8911 while(isdigit(*p)) p++; // to-square of first leg (which is now copied to machineMove)
8912 if(legs == 2) sscanf(p, "%c%d", &f, &kill2Y), kill2X = f - AAA, kill2Y -= ONE - '0'; // in 3-leg move 2nd kill is to-sqr of 1st leg
8913 else if(*p == *buf) // if first-leg to not equal to second-leg from first leg says unmodified (assume it is King move of castling)
8914 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8915 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8916 firstLeg[0] = NULLCHAR; legs = 0;
8919 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8920 &fromX, &fromY, &toX, &toY, &promoChar)) {
8921 /* Machine move could not be parsed; ignore it. */
8922 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8923 machineMove, _(cps->which));
8924 DisplayMoveError(buf1);
8925 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c, %c%c) res=%d",
8926 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, kill2X+AAA, kill2Y+ONE, moveType);
8927 if (gameMode == TwoMachinesPlay) {
8928 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8934 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8935 /* So we have to redo legality test with true e.p. status here, */
8936 /* to make sure an illegal e.p. capture does not slip through, */
8937 /* to cause a forfeit on a justified illegal-move complaint */
8938 /* of the opponent. */
8939 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8941 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8942 fromY, fromX, toY, toX, promoChar);
8943 if(moveType == IllegalMove) {
8944 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8945 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8946 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8949 } else if(!appData.fischerCastling)
8950 /* [HGM] Kludge to handle engines that send FRC-style castling
8951 when they shouldn't (like TSCP-Gothic) */
8953 case WhiteASideCastleFR:
8954 case BlackASideCastleFR:
8956 currentMoveString[2]++;
8958 case WhiteHSideCastleFR:
8959 case BlackHSideCastleFR:
8961 currentMoveString[2]--;
8963 default: ; // nothing to do, but suppresses warning of pedantic compilers
8966 hintRequested = FALSE;
8967 lastHint[0] = NULLCHAR;
8968 bookRequested = FALSE;
8969 /* Program may be pondering now */
8970 cps->maybeThinking = TRUE;
8971 if (cps->sendTime == 2) cps->sendTime = 1;
8972 if (cps->offeredDraw) cps->offeredDraw--;
8974 /* [AS] Save move info*/
8975 pvInfoList[ forwardMostMove ].score = programStats.score;
8976 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8977 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8979 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8981 /* Test suites abort the 'game' after one move */
8982 if(*appData.finger) {
8984 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8985 if(!f) f = fopen(appData.finger, "w");
8986 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8987 else { DisplayFatalError("Bad output file", errno, 0); return; }
8989 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8992 if(solvingTime >= 0) {
8993 snprintf(buf1, MSG_SIZ, "%d. %4.2fs: %s ", matchGame, solvingTime/100., parseList[backwardMostMove]);
8994 totalTime += solvingTime; first.matchWins++; solvingTime = -1;
8996 snprintf(buf1, MSG_SIZ, "%d. %s?%s ", matchGame, parseList[backwardMostMove], solvingTime == -2 ? " ???" : "");
8997 if(solvingTime == -2) second.matchWins++;
8999 OutputKibitz(2, buf1);
9000 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9003 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
9004 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
9007 while( count < adjudicateLossPlies ) {
9008 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
9011 score = -score; /* Flip score for winning side */
9014 if( score > appData.adjudicateLossThreshold ) {
9021 if( count >= adjudicateLossPlies ) {
9022 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9024 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
9025 "Xboard adjudication",
9032 if(Adjudicate(cps)) {
9033 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9034 return; // [HGM] adjudicate: for all automatic game ends
9038 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
9040 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
9041 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
9043 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9045 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9047 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
9048 char buf[3*MSG_SIZ];
9050 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
9051 programStats.score / 100.,
9053 programStats.time / 100.,
9054 (unsigned int)programStats.nodes,
9055 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
9056 programStats.movelist);
9062 /* [AS] Clear stats for next move */
9063 ClearProgramStats();
9064 thinkOutput[0] = NULLCHAR;
9065 hiddenThinkOutputState = 0;
9068 if (gameMode == TwoMachinesPlay) {
9069 /* [HGM] relaying draw offers moved to after reception of move */
9070 /* and interpreting offer as claim if it brings draw condition */
9071 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
9072 SendToProgram("draw\n", cps->other);
9074 if (cps->other->sendTime) {
9075 SendTimeRemaining(cps->other,
9076 cps->other->twoMachinesColor[0] == 'w');
9078 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
9079 if (firstMove && !bookHit) {
9081 if (cps->other->useColors) {
9082 SendToProgram(cps->other->twoMachinesColor, cps->other);
9084 SendToProgram("go\n", cps->other);
9086 cps->other->maybeThinking = TRUE;
9089 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
9091 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9093 if (!pausing && appData.ringBellAfterMoves) {
9094 if(!roar) RingBell();
9098 * Reenable menu items that were disabled while
9099 * machine was thinking
9101 if (gameMode != TwoMachinesPlay)
9102 SetUserThinkingEnables();
9104 // [HGM] book: after book hit opponent has received move and is now in force mode
9105 // force the book reply into it, and then fake that it outputted this move by jumping
9106 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
9108 static char bookMove[MSG_SIZ]; // a bit generous?
9110 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
9111 strcat(bookMove, bookHit);
9114 programStats.nodes = programStats.depth = programStats.time =
9115 programStats.score = programStats.got_only_move = 0;
9116 sprintf(programStats.movelist, "%s (xbook)", bookHit);
9118 if(cps->lastPing != cps->lastPong) {
9119 savedMessage = message; // args for deferred call
9121 ScheduleDelayedEvent(DeferredBookMove, 10);
9130 /* Set special modes for chess engines. Later something general
9131 * could be added here; for now there is just one kludge feature,
9132 * needed because Crafty 15.10 and earlier don't ignore SIGINT
9133 * when "xboard" is given as an interactive command.
9135 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
9136 cps->useSigint = FALSE;
9137 cps->useSigterm = FALSE;
9139 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
9140 ParseFeatures(message+8, cps);
9141 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
9144 if (!strncmp(message, "setup ", 6) &&
9145 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
9146 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
9147 ) { // [HGM] allow first engine to define opening position
9148 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
9149 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
9151 if(sscanf(message, "setup (%s", buf) == 1) {
9152 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTableEsc(pieceToChar, buf, SUFFIXES);
9153 ASSIGN(appData.pieceToCharTable, buf);
9155 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
9157 while(message[s] && message[s++] != ' ');
9158 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
9159 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
9160 if(hand <= h) deadRanks = 0; else deadRanks = hand - h, h = hand; // adapt board to over-sized holdings
9161 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
9162 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
9163 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
9164 if(*buf) SetCharTableEsc(pieceToChar, buf, SUFFIXES); // do again, for it was spoiled by InitPosition
9165 startedFromSetupPosition = FALSE;
9168 if(startedFromSetupPosition) return;
9169 ParseFEN(boards[0], &dummy, message+s, FALSE);
9170 DrawPosition(TRUE, boards[0]);
9171 CopyBoard(initialPosition, boards[0]);
9172 startedFromSetupPosition = TRUE;
9175 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
9176 ChessSquare piece = WhitePawn;
9177 char *p=message+6, *q, *s = SUFFIXES, ID = *p, promoted = 0;
9178 if(*p == '+') promoted++, ID = *++p;
9179 if(q = strchr(s, p[1])) ID += 64*(q - s + 1), p++;
9180 piece = CharToPiece(ID & 255); if(promoted) piece = CHUPROMOTED(piece);
9181 if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
9182 /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon
9183 /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra
9184 /* For variants we don't have */ && gameInfo.variant != VariantBerolina
9185 /* correct rules for, we cannot */ && gameInfo.variant != VariantCylinder
9186 /* enforce legality on our own! */ && gameInfo.variant != VariantUnknown
9187 && gameInfo.variant != VariantGreat
9188 && gameInfo.variant != VariantFairy ) return;
9189 if(piece < EmptySquare) {
9191 ASSIGN(pieceDesc[piece], buf1);
9192 if((ID & 32) == 0 && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
9196 if(!appData.testLegality && sscanf(message, "choice %s", promoRestrict) == 1) {
9198 LeftClick(Press, 0, 0); // finish the click that was interrupted
9199 } else if(promoSweep != EmptySquare) {
9200 promoSweep = CharToPiece(currentMove&1 ? ToLower(*promoRestrict) : ToUpper(*promoRestrict));
9201 if(strlen(promoRestrict) > 1) Sweep(0);
9205 /* [HGM] Allow engine to set up a position. Don't ask me why one would
9206 * want this, I was asked to put it in, and obliged.
9208 if (!strncmp(message, "setboard ", 9)) {
9209 Board initial_position;
9211 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
9213 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
9214 DisplayError(_("Bad FEN received from engine"), 0);
9218 CopyBoard(boards[0], initial_position);
9219 initialRulePlies = FENrulePlies;
9220 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
9221 else gameMode = MachinePlaysBlack;
9222 DrawPosition(FALSE, boards[currentMove]);
9228 * Look for communication commands
9230 if (!strncmp(message, "telluser ", 9)) {
9231 if(message[9] == '\\' && message[10] == '\\')
9232 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
9234 DisplayNote(message + 9);
9237 if (!strncmp(message, "tellusererror ", 14)) {
9239 if(message[14] == '\\' && message[15] == '\\')
9240 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
9242 DisplayError(message + 14, 0);
9245 if (!strncmp(message, "tellopponent ", 13)) {
9246 if (appData.icsActive) {
9248 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
9252 DisplayNote(message + 13);
9256 if (!strncmp(message, "tellothers ", 11)) {
9257 if (appData.icsActive) {
9259 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
9262 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
9265 if (!strncmp(message, "tellall ", 8)) {
9266 if (appData.icsActive) {
9268 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
9272 DisplayNote(message + 8);
9276 if (strncmp(message, "warning", 7) == 0) {
9277 /* Undocumented feature, use tellusererror in new code */
9278 DisplayError(message, 0);
9281 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
9282 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
9283 strcat(realname, " query");
9284 AskQuestion(realname, buf2, buf1, cps->pr);
9287 /* Commands from the engine directly to ICS. We don't allow these to be
9288 * sent until we are logged on. Crafty kibitzes have been known to
9289 * interfere with the login process.
9292 if (!strncmp(message, "tellics ", 8)) {
9293 SendToICS(message + 8);
9297 if (!strncmp(message, "tellicsnoalias ", 15)) {
9298 SendToICS(ics_prefix);
9299 SendToICS(message + 15);
9303 /* The following are for backward compatibility only */
9304 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9305 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9306 SendToICS(ics_prefix);
9312 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9313 if(initPing == cps->lastPong) {
9314 if(gameInfo.variant == VariantUnknown) {
9315 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9316 *engineVariant = NULLCHAR; ASSIGN(appData.variant, "normal"); // back to normal as error recovery?
9317 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9321 if(cps->lastPing == cps->lastPong && abortEngineThink) {
9322 abortEngineThink = FALSE;
9323 DisplayMessage("", "");
9328 if(!strncmp(message, "highlight ", 10)) {
9329 if(appData.testLegality && !*engineVariant && appData.markers) return;
9330 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9333 if(!strncmp(message, "click ", 6)) {
9334 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9335 if(appData.testLegality || !appData.oneClick) return;
9336 sscanf(message+6, "%c%d%c", &f, &y, &c);
9337 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9338 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9339 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9340 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9341 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9342 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9343 LeftClick(Release, lastLeftX, lastLeftY);
9344 controlKey = (c == ',');
9345 LeftClick(Press, x, y);
9346 LeftClick(Release, x, y);
9347 first.highlight = f;
9351 * If the move is illegal, cancel it and redraw the board.
9352 * Also deal with other error cases. Matching is rather loose
9353 * here to accommodate engines written before the spec.
9355 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9356 strncmp(message, "Error", 5) == 0) {
9357 if (StrStr(message, "name") ||
9358 StrStr(message, "rating") || StrStr(message, "?") ||
9359 StrStr(message, "result") || StrStr(message, "board") ||
9360 StrStr(message, "bk") || StrStr(message, "computer") ||
9361 StrStr(message, "variant") || StrStr(message, "hint") ||
9362 StrStr(message, "random") || StrStr(message, "depth") ||
9363 StrStr(message, "accepted")) {
9366 if (StrStr(message, "protover")) {
9367 /* Program is responding to input, so it's apparently done
9368 initializing, and this error message indicates it is
9369 protocol version 1. So we don't need to wait any longer
9370 for it to initialize and send feature commands. */
9371 FeatureDone(cps, 1);
9372 cps->protocolVersion = 1;
9375 cps->maybeThinking = FALSE;
9377 if (StrStr(message, "draw")) {
9378 /* Program doesn't have "draw" command */
9379 cps->sendDrawOffers = 0;
9382 if (cps->sendTime != 1 &&
9383 (StrStr(message, "time") || StrStr(message, "otim"))) {
9384 /* Program apparently doesn't have "time" or "otim" command */
9388 if (StrStr(message, "analyze")) {
9389 cps->analysisSupport = FALSE;
9390 cps->analyzing = FALSE;
9391 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9392 EditGameEvent(); // [HGM] try to preserve loaded game
9393 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9394 DisplayError(buf2, 0);
9397 if (StrStr(message, "(no matching move)st")) {
9398 /* Special kludge for GNU Chess 4 only */
9399 cps->stKludge = TRUE;
9400 SendTimeControl(cps, movesPerSession, timeControl,
9401 timeIncrement, appData.searchDepth,
9405 if (StrStr(message, "(no matching move)sd")) {
9406 /* Special kludge for GNU Chess 4 only */
9407 cps->sdKludge = TRUE;
9408 SendTimeControl(cps, movesPerSession, timeControl,
9409 timeIncrement, appData.searchDepth,
9413 if (!StrStr(message, "llegal")) {
9416 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9417 gameMode == IcsIdle) return;
9418 if (forwardMostMove <= backwardMostMove) return;
9419 if (pausing) PauseEvent();
9420 if(appData.forceIllegal) {
9421 // [HGM] illegal: machine refused move; force position after move into it
9422 SendToProgram("force\n", cps);
9423 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9424 // we have a real problem now, as SendBoard will use the a2a3 kludge
9425 // when black is to move, while there might be nothing on a2 or black
9426 // might already have the move. So send the board as if white has the move.
9427 // But first we must change the stm of the engine, as it refused the last move
9428 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9429 if(WhiteOnMove(forwardMostMove)) {
9430 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9431 SendBoard(cps, forwardMostMove); // kludgeless board
9433 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9434 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9435 SendBoard(cps, forwardMostMove+1); // kludgeless board
9437 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9438 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9439 gameMode == TwoMachinesPlay)
9440 SendToProgram("go\n", cps);
9443 if (gameMode == PlayFromGameFile) {
9444 /* Stop reading this game file */
9445 gameMode = EditGame;
9448 /* [HGM] illegal-move claim should forfeit game when Xboard */
9449 /* only passes fully legal moves */
9450 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9451 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9452 "False illegal-move claim", GE_XBOARD );
9453 return; // do not take back move we tested as valid
9455 currentMove = forwardMostMove-1;
9456 DisplayMove(currentMove-1); /* before DisplayMoveError */
9457 SwitchClocks(forwardMostMove-1); // [HGM] race
9458 DisplayBothClocks();
9459 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9460 parseList[currentMove], _(cps->which));
9461 DisplayMoveError(buf1);
9462 DrawPosition(FALSE, boards[currentMove]);
9464 SetUserThinkingEnables();
9467 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9468 /* Program has a broken "time" command that
9469 outputs a string not ending in newline.
9473 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9474 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9475 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9479 * If chess program startup fails, exit with an error message.
9480 * Attempts to recover here are futile. [HGM] Well, we try anyway
9482 if ((StrStr(message, "unknown host") != NULL)
9483 || (StrStr(message, "No remote directory") != NULL)
9484 || (StrStr(message, "not found") != NULL)
9485 || (StrStr(message, "No such file") != NULL)
9486 || (StrStr(message, "can't alloc") != NULL)
9487 || (StrStr(message, "Permission denied") != NULL)) {
9489 cps->maybeThinking = FALSE;
9490 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9491 _(cps->which), cps->program, cps->host, message);
9492 RemoveInputSource(cps->isr);
9493 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9494 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9495 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9501 * Look for hint output
9503 if (sscanf(message, "Hint: %s", buf1) == 1) {
9504 if (cps == &first && hintRequested) {
9505 hintRequested = FALSE;
9506 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9507 &fromX, &fromY, &toX, &toY, &promoChar)) {
9508 (void) CoordsToAlgebraic(boards[forwardMostMove],
9509 PosFlags(forwardMostMove),
9510 fromY, fromX, toY, toX, promoChar, buf1);
9511 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9512 DisplayInformation(buf2);
9514 /* Hint move could not be parsed!? */
9515 snprintf(buf2, sizeof(buf2),
9516 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9517 buf1, _(cps->which));
9518 DisplayError(buf2, 0);
9521 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9527 * Ignore other messages if game is not in progress
9529 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9530 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9533 * look for win, lose, draw, or draw offer
9535 if (strncmp(message, "1-0", 3) == 0) {
9536 char *p, *q, *r = "";
9537 p = strchr(message, '{');
9545 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9547 } else if (strncmp(message, "0-1", 3) == 0) {
9548 char *p, *q, *r = "";
9549 p = strchr(message, '{');
9557 /* Kludge for Arasan 4.1 bug */
9558 if (strcmp(r, "Black resigns") == 0) {
9559 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9562 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9564 } else if (strncmp(message, "1/2", 3) == 0) {
9565 char *p, *q, *r = "";
9566 p = strchr(message, '{');
9575 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9578 } else if (strncmp(message, "White resign", 12) == 0) {
9579 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9581 } else if (strncmp(message, "Black resign", 12) == 0) {
9582 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9584 } else if (strncmp(message, "White matches", 13) == 0 ||
9585 strncmp(message, "Black matches", 13) == 0 ) {
9586 /* [HGM] ignore GNUShogi noises */
9588 } else if (strncmp(message, "White", 5) == 0 &&
9589 message[5] != '(' &&
9590 StrStr(message, "Black") == NULL) {
9591 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9593 } else if (strncmp(message, "Black", 5) == 0 &&
9594 message[5] != '(') {
9595 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9597 } else if (strcmp(message, "resign") == 0 ||
9598 strcmp(message, "computer resigns") == 0) {
9600 case MachinePlaysBlack:
9601 case IcsPlayingBlack:
9602 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9604 case MachinePlaysWhite:
9605 case IcsPlayingWhite:
9606 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9608 case TwoMachinesPlay:
9609 if (cps->twoMachinesColor[0] == 'w')
9610 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9612 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9619 } else if (strncmp(message, "opponent mates", 14) == 0) {
9621 case MachinePlaysBlack:
9622 case IcsPlayingBlack:
9623 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9625 case MachinePlaysWhite:
9626 case IcsPlayingWhite:
9627 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9629 case TwoMachinesPlay:
9630 if (cps->twoMachinesColor[0] == 'w')
9631 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9633 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9640 } else if (strncmp(message, "computer mates", 14) == 0) {
9642 case MachinePlaysBlack:
9643 case IcsPlayingBlack:
9644 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9646 case MachinePlaysWhite:
9647 case IcsPlayingWhite:
9648 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9650 case TwoMachinesPlay:
9651 if (cps->twoMachinesColor[0] == 'w')
9652 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9654 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9661 } else if (strncmp(message, "checkmate", 9) == 0) {
9662 if (WhiteOnMove(forwardMostMove)) {
9663 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9665 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9668 } else if (strstr(message, "Draw") != NULL ||
9669 strstr(message, "game is a draw") != NULL) {
9670 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9672 } else if (strstr(message, "offer") != NULL &&
9673 strstr(message, "draw") != NULL) {
9675 if (appData.zippyPlay && first.initDone) {
9676 /* Relay offer to ICS */
9677 SendToICS(ics_prefix);
9678 SendToICS("draw\n");
9681 cps->offeredDraw = 2; /* valid until this engine moves twice */
9682 if (gameMode == TwoMachinesPlay) {
9683 if (cps->other->offeredDraw) {
9684 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9685 /* [HGM] in two-machine mode we delay relaying draw offer */
9686 /* until after we also have move, to see if it is really claim */
9688 } else if (gameMode == MachinePlaysWhite ||
9689 gameMode == MachinePlaysBlack) {
9690 if (userOfferedDraw) {
9691 DisplayInformation(_("Machine accepts your draw offer"));
9692 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9694 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9701 * Look for thinking output
9703 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9704 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9706 int plylev, mvleft, mvtot, curscore, time;
9707 char mvname[MOVE_LEN];
9711 int prefixHint = FALSE;
9712 mvname[0] = NULLCHAR;
9715 case MachinePlaysBlack:
9716 case IcsPlayingBlack:
9717 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9719 case MachinePlaysWhite:
9720 case IcsPlayingWhite:
9721 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9726 case IcsObserving: /* [DM] icsEngineAnalyze */
9727 if (!appData.icsEngineAnalyze) ignore = TRUE;
9729 case TwoMachinesPlay:
9730 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9740 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9743 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9744 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9745 char score_buf[MSG_SIZ];
9747 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9748 nodes += u64Const(0x100000000);
9750 if (plyext != ' ' && plyext != '\t') {
9754 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9755 if( cps->scoreIsAbsolute &&
9756 ( gameMode == MachinePlaysBlack ||
9757 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9758 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9759 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9760 !WhiteOnMove(currentMove)
9763 curscore = -curscore;
9766 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9768 if(*bestMove) { // rememer time best EPD move was first found
9769 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9770 ChessMove mt; char *p = bestMove;
9771 int ok = ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9773 while(ok && *p && ParseOneMove(p, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1)) {
9774 if(ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2) {
9775 solvingTime = (solvingTime < 0 ? time : solvingTime);
9779 while(*p && *p != ' ') p++;
9780 while(*p == ' ') p++;
9782 if(!solved) solvingTime = -1;
9784 if(*avoidMove && !solved) {
9785 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9786 ChessMove mt; char *p = avoidMove, solved = 1;
9787 int ok = ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9788 while(ok && *p && ParseOneMove(p, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1)) {
9789 if(ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2) {
9790 solved = 0; solvingTime = -2;
9793 while(*p && *p != ' ') p++;
9794 while(*p == ' ') p++;
9796 if(solved && !*bestMove) solvingTime = (solvingTime < 0 ? time : solvingTime);
9799 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9802 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9803 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9804 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9805 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9806 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9807 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9811 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9812 DisplayError(_("failed writing PV"), 0);
9815 tempStats.depth = plylev;
9816 tempStats.nodes = nodes;
9817 tempStats.time = time;
9818 tempStats.score = curscore;
9819 tempStats.got_only_move = 0;
9821 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9824 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9825 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9826 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9827 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9828 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9829 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9830 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9831 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9834 /* Buffer overflow protection */
9835 if (pv[0] != NULLCHAR) {
9836 if (strlen(pv) >= sizeof(tempStats.movelist)
9837 && appData.debugMode) {
9839 "PV is too long; using the first %u bytes.\n",
9840 (unsigned) sizeof(tempStats.movelist) - 1);
9843 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9845 sprintf(tempStats.movelist, " no PV\n");
9848 if (tempStats.seen_stat) {
9849 tempStats.ok_to_send = 1;
9852 if (strchr(tempStats.movelist, '(') != NULL) {
9853 tempStats.line_is_book = 1;
9854 tempStats.nr_moves = 0;
9855 tempStats.moves_left = 0;
9857 tempStats.line_is_book = 0;
9860 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9861 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9863 SendProgramStatsToFrontend( cps, &tempStats );
9866 [AS] Protect the thinkOutput buffer from overflow... this
9867 is only useful if buf1 hasn't overflowed first!
9869 if((gameMode == AnalyzeMode && appData.whitePOV || appData.scoreWhite) && !WhiteOnMove(forwardMostMove)) curscore *= -1;
9870 if(curscore >= MATE_SCORE)
9871 snprintf(score_buf, MSG_SIZ, "#%d", curscore - MATE_SCORE);
9872 else if(curscore <= -MATE_SCORE)
9873 snprintf(score_buf, MSG_SIZ, "#%d", curscore + MATE_SCORE);
9875 snprintf(score_buf, MSG_SIZ, "%+.2f", ((double) curscore) / 100.0);
9876 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%s %s%s",
9878 (gameMode == TwoMachinesPlay ?
9879 ToUpper(cps->twoMachinesColor[0]) : ' '),
9881 prefixHint ? lastHint : "",
9882 prefixHint ? " " : "" );
9884 if( buf1[0] != NULLCHAR ) {
9885 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9887 if( strlen(pv) > max_len ) {
9888 if( appData.debugMode) {
9889 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9891 pv[max_len+1] = '\0';
9894 strcat( thinkOutput, pv);
9897 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9898 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9899 DisplayMove(currentMove - 1);
9903 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9904 /* crafty (9.25+) says "(only move) <move>"
9905 * if there is only 1 legal move
9907 sscanf(p, "(only move) %s", buf1);
9908 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9909 sprintf(programStats.movelist, "%s (only move)", buf1);
9910 programStats.depth = 1;
9911 programStats.nr_moves = 1;
9912 programStats.moves_left = 1;
9913 programStats.nodes = 1;
9914 programStats.time = 1;
9915 programStats.got_only_move = 1;
9917 /* Not really, but we also use this member to
9918 mean "line isn't going to change" (Crafty
9919 isn't searching, so stats won't change) */
9920 programStats.line_is_book = 1;
9922 SendProgramStatsToFrontend( cps, &programStats );
9924 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9925 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9926 DisplayMove(currentMove - 1);
9929 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9930 &time, &nodes, &plylev, &mvleft,
9931 &mvtot, mvname) >= 5) {
9932 /* The stat01: line is from Crafty (9.29+) in response
9933 to the "." command */
9934 programStats.seen_stat = 1;
9935 cps->maybeThinking = TRUE;
9937 if (programStats.got_only_move || !appData.periodicUpdates)
9940 programStats.depth = plylev;
9941 programStats.time = time;
9942 programStats.nodes = nodes;
9943 programStats.moves_left = mvleft;
9944 programStats.nr_moves = mvtot;
9945 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9946 programStats.ok_to_send = 1;
9947 programStats.movelist[0] = '\0';
9949 SendProgramStatsToFrontend( cps, &programStats );
9953 } else if (strncmp(message,"++",2) == 0) {
9954 /* Crafty 9.29+ outputs this */
9955 programStats.got_fail = 2;
9958 } else if (strncmp(message,"--",2) == 0) {
9959 /* Crafty 9.29+ outputs this */
9960 programStats.got_fail = 1;
9963 } else if (thinkOutput[0] != NULLCHAR &&
9964 strncmp(message, " ", 4) == 0) {
9965 unsigned message_len;
9968 while (*p && *p == ' ') p++;
9970 message_len = strlen( p );
9972 /* [AS] Avoid buffer overflow */
9973 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9974 strcat(thinkOutput, " ");
9975 strcat(thinkOutput, p);
9978 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9979 strcat(programStats.movelist, " ");
9980 strcat(programStats.movelist, p);
9983 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9984 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9985 DisplayMove(currentMove - 1);
9993 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9994 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9996 ChessProgramStats cpstats;
9998 if (plyext != ' ' && plyext != '\t') {
10002 /* [AS] Negate score if machine is playing black and reporting absolute scores */
10003 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
10004 curscore = -curscore;
10007 cpstats.depth = plylev;
10008 cpstats.nodes = nodes;
10009 cpstats.time = time;
10010 cpstats.score = curscore;
10011 cpstats.got_only_move = 0;
10012 cpstats.movelist[0] = '\0';
10014 if (buf1[0] != NULLCHAR) {
10015 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
10018 cpstats.ok_to_send = 0;
10019 cpstats.line_is_book = 0;
10020 cpstats.nr_moves = 0;
10021 cpstats.moves_left = 0;
10023 SendProgramStatsToFrontend( cps, &cpstats );
10030 /* Parse a game score from the character string "game", and
10031 record it as the history of the current game. The game
10032 score is NOT assumed to start from the standard position.
10033 The display is not updated in any way.
10036 ParseGameHistory (char *game)
10038 ChessMove moveType;
10039 int fromX, fromY, toX, toY, boardIndex, mask;
10044 if (appData.debugMode)
10045 fprintf(debugFP, "Parsing game history: %s\n", game);
10047 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
10048 gameInfo.site = StrSave(appData.icsHost);
10049 gameInfo.date = PGNDate();
10050 gameInfo.round = StrSave("-");
10052 /* Parse out names of players */
10053 while (*game == ' ') game++;
10055 while (*game != ' ') *p++ = *game++;
10057 gameInfo.white = StrSave(buf);
10058 while (*game == ' ') game++;
10060 while (*game != ' ' && *game != '\n') *p++ = *game++;
10062 gameInfo.black = StrSave(buf);
10065 boardIndex = blackPlaysFirst ? 1 : 0;
10068 yyboardindex = boardIndex;
10069 moveType = (ChessMove) Myylex();
10070 switch (moveType) {
10071 case IllegalMove: /* maybe suicide chess, etc. */
10072 if (appData.debugMode) {
10073 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
10074 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10075 setbuf(debugFP, NULL);
10077 case WhitePromotion:
10078 case BlackPromotion:
10079 case WhiteNonPromotion:
10080 case BlackNonPromotion:
10083 case WhiteCapturesEnPassant:
10084 case BlackCapturesEnPassant:
10085 case WhiteKingSideCastle:
10086 case WhiteQueenSideCastle:
10087 case BlackKingSideCastle:
10088 case BlackQueenSideCastle:
10089 case WhiteKingSideCastleWild:
10090 case WhiteQueenSideCastleWild:
10091 case BlackKingSideCastleWild:
10092 case BlackQueenSideCastleWild:
10094 case WhiteHSideCastleFR:
10095 case WhiteASideCastleFR:
10096 case BlackHSideCastleFR:
10097 case BlackASideCastleFR:
10099 fromX = currentMoveString[0] - AAA;
10100 fromY = currentMoveString[1] - ONE;
10101 toX = currentMoveString[2] - AAA;
10102 toY = currentMoveString[3] - ONE;
10103 promoChar = currentMoveString[4];
10107 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
10108 fromX = moveType == WhiteDrop ?
10109 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10110 (int) CharToPiece(ToLower(currentMoveString[0]));
10112 toX = currentMoveString[2] - AAA;
10113 toY = currentMoveString[3] - ONE;
10114 promoChar = NULLCHAR;
10116 case AmbiguousMove:
10118 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
10119 if (appData.debugMode) {
10120 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
10121 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10122 setbuf(debugFP, NULL);
10124 DisplayError(buf, 0);
10126 case ImpossibleMove:
10128 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
10129 if (appData.debugMode) {
10130 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
10131 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10132 setbuf(debugFP, NULL);
10134 DisplayError(buf, 0);
10137 if (boardIndex < backwardMostMove) {
10138 /* Oops, gap. How did that happen? */
10139 DisplayError(_("Gap in move list"), 0);
10142 backwardMostMove = blackPlaysFirst ? 1 : 0;
10143 if (boardIndex > forwardMostMove) {
10144 forwardMostMove = boardIndex;
10148 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
10149 strcat(parseList[boardIndex-1], " ");
10150 strcat(parseList[boardIndex-1], yy_text);
10162 case GameUnfinished:
10163 if (gameMode == IcsExamining) {
10164 if (boardIndex < backwardMostMove) {
10165 /* Oops, gap. How did that happen? */
10168 backwardMostMove = blackPlaysFirst ? 1 : 0;
10171 gameInfo.result = moveType;
10172 p = strchr(yy_text, '{');
10173 if (p == NULL) p = strchr(yy_text, '(');
10176 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10178 q = strchr(p, *p == '{' ? '}' : ')');
10179 if (q != NULL) *q = NULLCHAR;
10182 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10183 gameInfo.resultDetails = StrSave(p);
10186 if (boardIndex >= forwardMostMove &&
10187 !(gameMode == IcsObserving && ics_gamenum == -1)) {
10188 backwardMostMove = blackPlaysFirst ? 1 : 0;
10191 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
10192 fromY, fromX, toY, toX, promoChar,
10193 parseList[boardIndex]);
10194 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
10195 /* currentMoveString is set as a side-effect of yylex */
10196 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
10197 strcat(moveList[boardIndex], "\n");
10199 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
10200 mask = (WhiteOnMove(boardIndex) ? 0xFF : 0xFF00);
10201 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
10207 if(boards[boardIndex][CHECK_COUNT]) boards[boardIndex][CHECK_COUNT] -= mask & 0x101;
10208 if(!boards[boardIndex][CHECK_COUNT] || boards[boardIndex][CHECK_COUNT] & mask) {
10209 if(!IS_SHOGI(gameInfo.variant)) strcat(parseList[boardIndex - 1], "+");
10214 strcat(parseList[boardIndex - 1], "#");
10221 /* Apply a move to the given board */
10223 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
10225 ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, epFile, lastFile, lastRank, berolina = 0;
10226 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
10228 /* [HGM] compute & store e.p. status and castling rights for new position */
10229 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
10231 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
10232 oldEP = (signed char)board[EP_STATUS]; epRank = board[EP_RANK]; epFile = board[EP_FILE]; lastFile = board[LAST_TO] & 255,lastRank = board[LAST_TO] >> 8;
10233 board[EP_STATUS] = EP_NONE;
10234 board[EP_FILE] = board[EP_RANK] = 100, board[LAST_TO] = 0x4040;
10236 if (fromY == DROP_RANK) {
10237 /* must be first */
10238 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
10239 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
10242 piece = board[toY][toX] = (ChessSquare) fromX;
10244 // ChessSquare victim;
10247 if( killX >= 0 && killY >= 0 ) { // [HGM] lion: Lion trampled over something
10248 // victim = board[killY][killX],
10249 killed = board[killY][killX],
10250 board[killY][killX] = EmptySquare,
10251 board[EP_STATUS] = EP_CAPTURE;
10252 if( kill2X >= 0 && kill2Y >= 0)
10253 killed2 = board[kill2Y][kill2X], board[kill2Y][kill2X] = EmptySquare;
10256 if( board[toY][toX] != EmptySquare ) {
10257 board[EP_STATUS] = EP_CAPTURE;
10258 if( (fromX != toX || fromY != toY) && // not igui!
10259 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
10260 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
10261 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
10265 pawn = board[fromY][fromX];
10266 if(pieceDesc[pawn] && strchr(pieceDesc[pawn], 'e')) { // piece with user-defined e.p. capture
10267 if(captured == EmptySquare && toX == epFile && (toY == (epRank & 127) || toY + (pawn < BlackPawn ? -1 : 1) == epRank - 128)) {
10268 captured = board[lastRank][lastFile]; // remove victim
10269 board[lastRank][lastFile] = EmptySquare;
10270 pawn = EmptySquare; // kludge to suppress old e.p. code
10273 if( pawn == WhiteLance || pawn == BlackLance ) {
10274 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
10275 if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
10276 else pawn += WhitePawn - WhiteLance; // Lance is Pawn-like in most variants, so let Pawn code treat it by this kludge
10279 if( pawn == WhitePawn ) {
10280 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10281 board[EP_STATUS] = EP_PAWN_MOVE;
10282 if( toY-fromY>=2) {
10283 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY - 1 | 128*(toY - fromY > 2);
10284 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
10285 gameInfo.variant != VariantBerolina || toX < fromX)
10286 board[EP_STATUS] = toX | berolina;
10287 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
10288 gameInfo.variant != VariantBerolina || toX > fromX)
10289 board[EP_STATUS] = toX;
10290 board[LAST_TO] = toX + 256*toY;
10293 if( pawn == BlackPawn ) {
10294 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10295 board[EP_STATUS] = EP_PAWN_MOVE;
10296 if( toY-fromY<= -2) {
10297 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY + 1 | 128*(fromY - toY > 2);
10298 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
10299 gameInfo.variant != VariantBerolina || toX < fromX)
10300 board[EP_STATUS] = toX | berolina;
10301 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
10302 gameInfo.variant != VariantBerolina || toX > fromX)
10303 board[EP_STATUS] = toX;
10304 board[LAST_TO] = toX + 256*toY;
10308 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
10309 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
10310 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
10311 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
10313 for(i=0; i<nrCastlingRights; i++) {
10314 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
10315 board[CASTLING][i] == toX && castlingRank[i] == toY
10316 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
10319 if(gameInfo.variant == VariantSChess) { // update virginity
10320 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
10321 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
10322 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
10323 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
10326 if (fromX == toX && fromY == toY && killX < 0) return;
10328 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
10329 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
10330 if(gameInfo.variant == VariantKnightmate)
10331 king += (int) WhiteUnicorn - (int) WhiteKing;
10333 if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
10334 && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples own
10335 board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
10336 board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
10337 board[EP_STATUS] = EP_NONE; // capture was fake!
10339 if(nrCastlingRights == 0 && board[toY][toX] < EmptySquare && (piece < BlackPawn) == (board[toY][toX] < BlackPawn)) {
10340 board[fromY][fromX] = board[toY][toX]; // capture own will lead to swapping
10341 board[toY][toX] = piece;
10342 board[EP_STATUS] = EP_NONE; // capture was fake!
10344 /* Code added by Tord: */
10345 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
10346 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
10347 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
10348 board[EP_STATUS] = EP_NONE; // capture was fake!
10349 board[fromY][fromX] = EmptySquare;
10350 board[toY][toX] = EmptySquare;
10351 if((toX > fromX) != (piece == WhiteRook)) {
10352 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
10354 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
10356 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10357 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10358 board[EP_STATUS] = EP_NONE;
10359 board[fromY][fromX] = EmptySquare;
10360 board[toY][toX] = EmptySquare;
10361 if((toX > fromX) != (piece == BlackRook)) {
10362 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10364 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10366 /* End of code added by Tord */
10368 } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
10369 board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
10370 board[toY][toX] = piece;
10371 } else if (board[fromY][fromX] == king
10372 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10373 && toY == fromY && toX > fromX+1) {
10374 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++)
10375 ; // castle with nearest piece
10376 board[fromY][toX-1] = board[fromY][rookX];
10377 board[fromY][rookX] = EmptySquare;
10378 board[fromY][fromX] = EmptySquare;
10379 board[toY][toX] = king;
10380 } else if (board[fromY][fromX] == king
10381 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10382 && toY == fromY && toX < fromX-1) {
10383 for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--)
10384 ; // castle with nearest piece
10385 board[fromY][toX+1] = board[fromY][rookX];
10386 board[fromY][rookX] = EmptySquare;
10387 board[fromY][fromX] = EmptySquare;
10388 board[toY][toX] = king;
10389 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10390 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10391 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10393 /* white pawn promotion */
10394 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10395 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10396 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10397 board[fromY][fromX] = EmptySquare;
10398 } else if ((fromY >= BOARD_HEIGHT>>1)
10399 && (epFile == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10401 && gameInfo.variant != VariantXiangqi
10402 && gameInfo.variant != VariantBerolina
10403 && (pawn == WhitePawn)
10404 && (board[toY][toX] == EmptySquare)) {
10405 if(lastFile == 100) lastFile = (board[fromY][toX] == BlackPawn ? toX : fromX), lastRank = fromY; // assume FIDE e.p. if victim present
10406 board[fromY][fromX] = EmptySquare;
10407 board[toY][toX] = piece;
10408 captured = board[lastRank][lastFile], board[lastRank][lastFile] = EmptySquare;
10409 } else if ((fromY == BOARD_HEIGHT-4)
10411 && gameInfo.variant == VariantBerolina
10412 && (board[fromY][fromX] == WhitePawn)
10413 && (board[toY][toX] == EmptySquare)) {
10414 board[fromY][fromX] = EmptySquare;
10415 board[toY][toX] = WhitePawn;
10416 if(oldEP & EP_BEROLIN_A) {
10417 captured = board[fromY][fromX-1];
10418 board[fromY][fromX-1] = EmptySquare;
10419 }else{ captured = board[fromY][fromX+1];
10420 board[fromY][fromX+1] = EmptySquare;
10422 } else if (board[fromY][fromX] == king
10423 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10424 && toY == fromY && toX > fromX+1) {
10425 for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++)
10427 board[fromY][toX-1] = board[fromY][rookX];
10428 board[fromY][rookX] = EmptySquare;
10429 board[fromY][fromX] = EmptySquare;
10430 board[toY][toX] = king;
10431 } else if (board[fromY][fromX] == king
10432 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10433 && toY == fromY && toX < fromX-1) {
10434 for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--)
10436 board[fromY][toX+1] = board[fromY][rookX];
10437 board[fromY][rookX] = EmptySquare;
10438 board[fromY][fromX] = EmptySquare;
10439 board[toY][toX] = king;
10440 } else if (fromY == 7 && fromX == 3
10441 && board[fromY][fromX] == BlackKing
10442 && toY == 7 && toX == 5) {
10443 board[fromY][fromX] = EmptySquare;
10444 board[toY][toX] = BlackKing;
10445 board[fromY][7] = EmptySquare;
10446 board[toY][4] = BlackRook;
10447 } else if (fromY == 7 && fromX == 3
10448 && board[fromY][fromX] == BlackKing
10449 && toY == 7 && toX == 1) {
10450 board[fromY][fromX] = EmptySquare;
10451 board[toY][toX] = BlackKing;
10452 board[fromY][0] = EmptySquare;
10453 board[toY][2] = BlackRook;
10454 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10455 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10456 && toY < promoRank && promoChar
10458 /* black pawn promotion */
10459 board[toY][toX] = CharToPiece(ToLower(promoChar));
10460 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10461 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10462 board[fromY][fromX] = EmptySquare;
10463 } else if ((fromY < BOARD_HEIGHT>>1)
10464 && (epFile == toX && epRank == toY || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10466 && gameInfo.variant != VariantXiangqi
10467 && gameInfo.variant != VariantBerolina
10468 && (pawn == BlackPawn)
10469 && (board[toY][toX] == EmptySquare)) {
10470 if(lastFile == 100) lastFile = (board[fromY][toX] == WhitePawn ? toX : fromX), lastRank = fromY;
10471 board[fromY][fromX] = EmptySquare;
10472 board[toY][toX] = piece;
10473 captured = board[lastRank][lastFile], board[lastRank][lastFile] = EmptySquare;
10474 } else if ((fromY == 3)
10476 && gameInfo.variant == VariantBerolina
10477 && (board[fromY][fromX] == BlackPawn)
10478 && (board[toY][toX] == EmptySquare)) {
10479 board[fromY][fromX] = EmptySquare;
10480 board[toY][toX] = BlackPawn;
10481 if(oldEP & EP_BEROLIN_A) {
10482 captured = board[fromY][fromX-1];
10483 board[fromY][fromX-1] = EmptySquare;
10484 }else{ captured = board[fromY][fromX+1];
10485 board[fromY][fromX+1] = EmptySquare;
10488 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10489 board[fromY][fromX] = EmptySquare;
10490 board[toY][toX] = piece;
10494 if (gameInfo.holdingsWidth != 0) {
10496 /* !!A lot more code needs to be written to support holdings */
10497 /* [HGM] OK, so I have written it. Holdings are stored in the */
10498 /* penultimate board files, so they are automaticlly stored */
10499 /* in the game history. */
10500 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10501 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10502 /* Delete from holdings, by decreasing count */
10503 /* and erasing image if necessary */
10504 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10505 if(p < (int) BlackPawn) { /* white drop */
10506 p -= (int)WhitePawn;
10507 p = PieceToNumber((ChessSquare)p);
10508 if(p >= gameInfo.holdingsSize) p = 0;
10509 if(--board[p][BOARD_WIDTH-2] <= 0)
10510 board[p][BOARD_WIDTH-1] = EmptySquare;
10511 if((int)board[p][BOARD_WIDTH-2] < 0)
10512 board[p][BOARD_WIDTH-2] = 0;
10513 } else { /* black drop */
10514 p -= (int)BlackPawn;
10515 p = PieceToNumber((ChessSquare)p);
10516 if(p >= gameInfo.holdingsSize) p = 0;
10517 if(--board[handSize-1-p][1] <= 0)
10518 board[handSize-1-p][0] = EmptySquare;
10519 if((int)board[handSize-1-p][1] < 0)
10520 board[handSize-1-p][1] = 0;
10523 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10524 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10525 /* [HGM] holdings: Add to holdings, if holdings exist */
10526 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10527 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10528 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10530 p = (int) captured;
10531 if (p >= (int) BlackPawn) {
10532 p -= (int)BlackPawn;
10533 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10534 /* Restore shogi-promoted piece to its original first */
10535 captured = (ChessSquare) (DEMOTED(captured));
10538 p = PieceToNumber((ChessSquare)p);
10539 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10540 board[p][BOARD_WIDTH-2]++;
10541 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10543 p -= (int)WhitePawn;
10544 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10545 captured = (ChessSquare) (DEMOTED(captured));
10548 p = PieceToNumber((ChessSquare)p);
10549 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10550 board[handSize-1-p][1]++;
10551 board[handSize-1-p][0] = WHITE_TO_BLACK captured;
10554 } else if (gameInfo.variant == VariantAtomic) {
10555 if (captured != EmptySquare) {
10557 for (y = toY-1; y <= toY+1; y++) {
10558 for (x = toX-1; x <= toX+1; x++) {
10559 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10560 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10561 board[y][x] = EmptySquare;
10565 board[toY][toX] = EmptySquare;
10569 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10570 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10572 if(promoChar == '+') {
10573 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10574 board[toY][toX] = (ChessSquare) (CHUPROMOTED(piece));
10575 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10576 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10577 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10578 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10579 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10580 && pieceToChar[PROMOTED(newPiece)] == '~') newPiece = PROMOTED(newPiece);// but promoted version available
10581 board[toY][toX] = newPiece;
10583 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10584 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10585 // [HGM] superchess: take promotion piece out of holdings
10586 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10587 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10588 if(!--board[k][BOARD_WIDTH-2])
10589 board[k][BOARD_WIDTH-1] = EmptySquare;
10591 if(!--board[handSize-1-k][1])
10592 board[handSize-1-k][0] = EmptySquare;
10597 /* Updates forwardMostMove */
10599 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10601 int x = toX, y = toY, mask;
10602 char *s = parseList[forwardMostMove];
10603 ChessSquare p = boards[forwardMostMove][toY][toX];
10604 // forwardMostMove++; // [HGM] bare: moved downstream
10606 if(kill2X >= 0) x = kill2X, y = kill2Y; else
10607 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10608 (void) CoordsToAlgebraic(boards[forwardMostMove],
10609 PosFlags(forwardMostMove),
10610 fromY, fromX, y, x, (killX < 0)*promoChar,
10612 if(kill2X >= 0 && kill2Y >= 0)
10613 sprintf(s + strlen(s), "x%c%d", killX + AAA, killY + ONE - '0'); // 2nd leg of 3-leg move is always capture
10614 if(killX >= 0 && killY >= 0)
10615 sprintf(s + strlen(s), "%c%c%d%c", p == EmptySquare || toX == fromX && toY == fromY || toX== kill2X && toY == kill2Y ? '-' : 'x',
10616 toX + AAA, toY + ONE - '0', promoChar);
10618 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10619 int timeLeft; static int lastLoadFlag=0; int king, piece;
10620 piece = boards[forwardMostMove][fromY][fromX];
10621 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10622 if(gameInfo.variant == VariantKnightmate)
10623 king += (int) WhiteUnicorn - (int) WhiteKing;
10624 if(forwardMostMove == 0) {
10625 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10626 fprintf(serverMoves, "%s;", UserName());
10627 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10628 fprintf(serverMoves, "%s;", second.tidy);
10629 fprintf(serverMoves, "%s;", first.tidy);
10630 if(gameMode == MachinePlaysWhite)
10631 fprintf(serverMoves, "%s;", UserName());
10632 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10633 fprintf(serverMoves, "%s;", second.tidy);
10634 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10635 lastLoadFlag = loadFlag;
10637 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10638 // print castling suffix
10639 if( toY == fromY && piece == king ) {
10641 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10643 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10646 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10647 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10648 boards[forwardMostMove][toY][toX] == EmptySquare
10649 && fromX != toX && fromY != toY)
10650 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10651 // promotion suffix
10652 if(promoChar != NULLCHAR) {
10653 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10654 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10655 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10656 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10659 char buf[MOVE_LEN*2], *p; int len;
10660 fprintf(serverMoves, "/%d/%d",
10661 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10662 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10663 else timeLeft = blackTimeRemaining/1000;
10664 fprintf(serverMoves, "/%d", timeLeft);
10665 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10666 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10667 if(p = strchr(buf, '=')) *p = NULLCHAR;
10668 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10669 fprintf(serverMoves, "/%s", buf);
10671 fflush(serverMoves);
10674 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10675 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10678 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10679 if (commentList[forwardMostMove+1] != NULL) {
10680 free(commentList[forwardMostMove+1]);
10681 commentList[forwardMostMove+1] = NULL;
10683 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10684 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10685 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10686 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10687 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10688 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10689 adjustedClock = FALSE;
10690 gameInfo.result = GameUnfinished;
10691 if (gameInfo.resultDetails != NULL) {
10692 free(gameInfo.resultDetails);
10693 gameInfo.resultDetails = NULL;
10695 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10696 moveList[forwardMostMove - 1]);
10697 mask = (WhiteOnMove(forwardMostMove) ? 0xFF : 0xFF00);
10698 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10704 if(boards[forwardMostMove][CHECK_COUNT]) boards[forwardMostMove][CHECK_COUNT] -= mask & 0x101;
10705 if(!boards[forwardMostMove][CHECK_COUNT] || boards[forwardMostMove][CHECK_COUNT] & mask) {
10706 if(!IS_SHOGI(gameInfo.variant)) strcat(parseList[forwardMostMove - 1], "+");
10711 strcat(parseList[forwardMostMove - 1], "#");
10716 /* Updates currentMove if not pausing */
10718 ShowMove (int fromX, int fromY, int toX, int toY)
10720 int instant = (gameMode == PlayFromGameFile) ?
10721 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10722 if(appData.noGUI) return;
10723 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10725 if (forwardMostMove == currentMove + 1) {
10726 AnimateMove(boards[forwardMostMove - 1],
10727 fromX, fromY, toX, toY);
10730 currentMove = forwardMostMove;
10733 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
10735 if (instant) return;
10737 DisplayMove(currentMove - 1);
10738 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10739 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10740 SetHighlights(fromX, fromY, toX, toY);
10743 DrawPosition(FALSE, boards[currentMove]);
10744 DisplayBothClocks();
10745 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10749 SendEgtPath (ChessProgramState *cps)
10750 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10751 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10753 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10756 char c, *q = name+1, *r, *s;
10758 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10759 while(*p && *p != ',') *q++ = *p++;
10760 *q++ = ':'; *q = 0;
10761 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10762 strcmp(name, ",nalimov:") == 0 ) {
10763 // take nalimov path from the menu-changeable option first, if it is defined
10764 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10765 SendToProgram(buf,cps); // send egtbpath command for nalimov
10767 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10768 (s = StrStr(appData.egtFormats, name)) != NULL) {
10769 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10770 s = r = StrStr(s, ":") + 1; // beginning of path info
10771 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10772 c = *r; *r = 0; // temporarily null-terminate path info
10773 *--q = 0; // strip of trailig ':' from name
10774 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10776 SendToProgram(buf,cps); // send egtbpath command for this format
10778 if(*p == ',') p++; // read away comma to position for next format name
10783 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10785 int width = 8, height = 8, holdings = 0; // most common sizes
10786 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10787 // correct the deviations default for each variant
10788 if( v == VariantXiangqi ) width = 9, height = 10;
10789 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10790 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10791 if( v == VariantCapablanca || v == VariantCapaRandom ||
10792 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10794 if( v == VariantCourier ) width = 12;
10795 if( v == VariantSuper ) holdings = 8;
10796 if( v == VariantGreat ) width = 10, holdings = 8;
10797 if( v == VariantSChess ) holdings = 7;
10798 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10799 if( v == VariantChuChess) width = 10, height = 10;
10800 if( v == VariantChu ) width = 12, height = 12;
10801 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10802 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10803 holdingsSize >= 0 && holdingsSize != holdings;
10806 char variantError[MSG_SIZ];
10809 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10810 { // returns error message (recognizable by upper-case) if engine does not support the variant
10811 char *p, *variant = VariantName(v);
10812 static char b[MSG_SIZ];
10813 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10814 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10815 holdingsSize, variant); // cook up sized variant name
10816 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10817 if(StrStr(list, b) == NULL) {
10818 // specific sized variant not known, check if general sizing allowed
10819 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10820 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10821 boardWidth, boardHeight, holdingsSize, engine);
10824 /* [HGM] here we really should compare with the maximum supported board size */
10826 } else snprintf(b, MSG_SIZ,"%s", variant);
10827 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10828 p = StrStr(list, b);
10829 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10831 // occurs not at all in list, or only as sub-string
10832 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10833 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10834 int l = strlen(variantError);
10836 while(p != list && p[-1] != ',') p--;
10837 q = strchr(p, ',');
10838 if(q) *q = NULLCHAR;
10839 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10848 InitChessProgram (ChessProgramState *cps, int setup)
10849 /* setup needed to setup FRC opening position */
10851 char buf[MSG_SIZ], *b;
10852 if (appData.noChessProgram) return;
10853 hintRequested = FALSE;
10854 bookRequested = FALSE;
10856 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10857 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10858 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10859 if(cps->memSize) { /* [HGM] memory */
10860 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10861 SendToProgram(buf, cps);
10863 SendEgtPath(cps); /* [HGM] EGT */
10864 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10865 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10866 SendToProgram(buf, cps);
10869 setboardSpoiledMachineBlack = FALSE;
10870 SendToProgram(cps->initString, cps);
10871 if (gameInfo.variant != VariantNormal &&
10872 gameInfo.variant != VariantLoadable
10873 /* [HGM] also send variant if board size non-standard */
10874 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10876 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10877 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10881 char c, *q = cps->variants, *p = strchr(q, ',');
10882 if(p) *p = NULLCHAR;
10883 v = StringToVariant(q);
10884 DisplayError(variantError, 0);
10885 if(v != VariantUnknown && cps == &first) {
10887 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10888 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10889 ASSIGN(appData.variant, q);
10890 Reset(TRUE, FALSE);
10896 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10897 SendToProgram(buf, cps);
10899 currentlyInitializedVariant = gameInfo.variant;
10901 /* [HGM] send opening position in FRC to first engine */
10903 SendToProgram("force\n", cps);
10905 /* engine is now in force mode! Set flag to wake it up after first move. */
10906 setboardSpoiledMachineBlack = 1;
10909 if (cps->sendICS) {
10910 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10911 SendToProgram(buf, cps);
10913 cps->maybeThinking = FALSE;
10914 cps->offeredDraw = 0;
10915 if (!appData.icsActive) {
10916 SendTimeControl(cps, movesPerSession, timeControl,
10917 timeIncrement, appData.searchDepth,
10920 if (appData.showThinking
10921 // [HGM] thinking: four options require thinking output to be sent
10922 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10924 SendToProgram("post\n", cps);
10926 SendToProgram("hard\n", cps);
10927 if (!appData.ponderNextMove) {
10928 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10929 it without being sure what state we are in first. "hard"
10930 is not a toggle, so that one is OK.
10932 SendToProgram("easy\n", cps);
10934 if (cps->usePing) {
10935 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10936 SendToProgram(buf, cps);
10938 cps->initDone = TRUE;
10939 ClearEngineOutputPane(cps == &second);
10944 ResendOptions (ChessProgramState *cps, int toEngine)
10945 { // send the stored value of the options
10947 static char buf2[MSG_SIZ*10];
10948 char buf[MSG_SIZ], *p = buf2;
10949 Option *opt = cps->option;
10951 for(i=0; i<cps->nrOptions; i++, opt++) {
10953 switch(opt->type) {
10957 if(opt->value != *(int*) (opt->name + MSG_SIZ - 104))
10958 snprintf(buf, MSG_SIZ, "%s=%d", opt->name, opt->value);
10961 if(opt->value != *(int*) (opt->name + MSG_SIZ - 104))
10962 snprintf(buf, MSG_SIZ, "%s=%s", opt->name, opt->choice[opt->value]);
10965 if(strcmp(opt->textValue, opt->name + MSG_SIZ - 100))
10966 snprintf(buf, MSG_SIZ, "%s=%s", opt->name, opt->textValue);
10974 snprintf(buf2, MSG_SIZ, "option %s\n", buf);
10975 SendToProgram(buf2, cps);
10977 if(p != buf2) *p++ = ',';
10978 strncpy(p, buf, 10*MSG_SIZ-1 - (p - buf2));
10987 StartChessProgram (ChessProgramState *cps)
10992 if (appData.noChessProgram) return;
10993 cps->initDone = FALSE;
10995 if (strcmp(cps->host, "localhost") == 0) {
10996 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10997 } else if (*appData.remoteShell == NULLCHAR) {
10998 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
11000 if (*appData.remoteUser == NULLCHAR) {
11001 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
11004 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
11005 cps->host, appData.remoteUser, cps->program);
11007 err = StartChildProcess(buf, "", &cps->pr);
11011 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
11012 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
11013 if(cps != &first) return;
11014 appData.noChessProgram = TRUE;
11017 // DisplayFatalError(buf, err, 1);
11018 // cps->pr = NoProc;
11019 // cps->isr = NULL;
11023 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
11024 if (cps->protocolVersion > 1) {
11025 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
11026 if(!cps->reload) { // do not clear options when reloading because of -xreuse
11027 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
11028 cps->comboCnt = 0; // and values of combo boxes
11030 SendToProgram(buf, cps);
11031 if(cps->reload) ResendOptions(cps, TRUE);
11033 SendToProgram("xboard\n", cps);
11038 TwoMachinesEventIfReady P((void))
11040 static int curMess = 0;
11041 if (first.lastPing != first.lastPong) {
11042 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
11043 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
11046 if (second.lastPing != second.lastPong) {
11047 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
11048 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
11051 DisplayMessage("", ""); curMess = 0;
11052 TwoMachinesEvent();
11056 MakeName (char *template)
11060 static char buf[MSG_SIZ];
11064 clock = time((time_t *)NULL);
11065 tm = localtime(&clock);
11067 while(*p++ = *template++) if(p[-1] == '%') {
11068 switch(*template++) {
11069 case 0: *p = 0; return buf;
11070 case 'Y': i = tm->tm_year+1900; break;
11071 case 'y': i = tm->tm_year-100; break;
11072 case 'M': i = tm->tm_mon+1; break;
11073 case 'd': i = tm->tm_mday; break;
11074 case 'h': i = tm->tm_hour; break;
11075 case 'm': i = tm->tm_min; break;
11076 case 's': i = tm->tm_sec; break;
11079 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
11085 CountPlayers (char *p)
11088 while(p = strchr(p, '\n')) p++, n++; // count participants
11093 WriteTourneyFile (char *results, FILE *f)
11094 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
11095 if(f == NULL) f = fopen(appData.tourneyFile, "w");
11096 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
11097 // create a file with tournament description
11098 fprintf(f, "-participants {%s}\n", appData.participants);
11099 fprintf(f, "-seedBase %d\n", appData.seedBase);
11100 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
11101 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
11102 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
11103 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
11104 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
11105 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
11106 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
11107 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
11108 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
11109 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
11110 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
11111 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
11112 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
11113 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
11114 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
11115 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
11116 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
11117 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
11118 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
11119 fprintf(f, "-smpCores %d\n", appData.smpCores);
11121 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
11123 fprintf(f, "-mps %d\n", appData.movesPerSession);
11124 fprintf(f, "-tc %s\n", appData.timeControl);
11125 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
11127 fprintf(f, "-results \"%s\"\n", results);
11132 char *command[MAXENGINES], *mnemonic[MAXENGINES];
11135 Substitute (char *participants, int expunge)
11137 int i, changed, changes=0, nPlayers=0;
11138 char *p, *q, *r, buf[MSG_SIZ];
11139 if(participants == NULL) return;
11140 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
11141 r = p = participants; q = appData.participants;
11142 while(*p && *p == *q) {
11143 if(*p == '\n') r = p+1, nPlayers++;
11146 if(*p) { // difference
11147 while(*p && *p++ != '\n')
11149 while(*q && *q++ != '\n')
11151 changed = nPlayers;
11152 changes = 1 + (strcmp(p, q) != 0);
11154 if(changes == 1) { // a single engine mnemonic was changed
11155 q = r; while(*q) nPlayers += (*q++ == '\n');
11156 p = buf; while(*r && (*p = *r++) != '\n') p++;
11158 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11159 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
11160 if(mnemonic[i]) { // The substitute is valid
11162 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
11163 flock(fileno(f), LOCK_EX);
11164 ParseArgsFromFile(f);
11165 fseek(f, 0, SEEK_SET);
11166 FREE(appData.participants); appData.participants = participants;
11167 if(expunge) { // erase results of replaced engine
11168 int len = strlen(appData.results), w, b, dummy;
11169 for(i=0; i<len; i++) {
11170 Pairing(i, nPlayers, &w, &b, &dummy);
11171 if((w == changed || b == changed) && appData.results[i] == '*') {
11172 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
11177 for(i=0; i<len; i++) {
11178 Pairing(i, nPlayers, &w, &b, &dummy);
11179 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
11182 WriteTourneyFile(appData.results, f);
11183 fclose(f); // release lock
11186 } else DisplayError(_("No engine with the name you gave is installed"), 0);
11188 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
11189 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
11190 free(participants);
11195 CheckPlayers (char *participants)
11198 char buf[MSG_SIZ], *p;
11199 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11200 while(p = strchr(participants, '\n')) {
11202 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
11204 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
11206 DisplayError(buf, 0);
11210 participants = p + 1;
11216 CreateTourney (char *name)
11219 if(matchMode && strcmp(name, appData.tourneyFile)) {
11220 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
11222 if(name[0] == NULLCHAR) {
11223 if(appData.participants[0])
11224 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
11227 f = fopen(name, "r");
11228 if(f) { // file exists
11229 ASSIGN(appData.tourneyFile, name);
11230 ParseArgsFromFile(f); // parse it
11232 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
11233 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
11234 DisplayError(_("Not enough participants"), 0);
11237 if(CheckPlayers(appData.participants)) return 0;
11238 ASSIGN(appData.tourneyFile, name);
11239 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
11240 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
11243 appData.noChessProgram = FALSE;
11244 appData.clockMode = TRUE;
11250 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
11252 char buf[2*MSG_SIZ], *p, *q;
11253 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
11254 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
11255 skip = !all && group[0]; // if group requested, we start in skip mode
11256 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
11257 p = names; q = buf; header = 0;
11258 while(*p && *p != '\n') *q++ = *p++;
11260 if(*p == '\n') p++;
11261 if(buf[0] == '#') {
11262 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
11263 depth++; // we must be entering a new group
11264 if(all) continue; // suppress printing group headers when complete list requested
11266 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
11268 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
11269 if(engineList[i]) free(engineList[i]);
11270 engineList[i] = strdup(buf);
11271 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
11272 if(engineMnemonic[i]) free(engineMnemonic[i]);
11273 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
11275 sscanf(q + 8, "%s", buf + strlen(buf));
11278 engineMnemonic[i] = strdup(buf);
11281 engineList[i] = engineMnemonic[i] = NULL;
11286 SaveEngineSettings (int n)
11288 int len; char *p, *q, *s, buf[MSG_SIZ], *optionSettings;
11289 if(!currentEngine[n] || !currentEngine[n][0]) { DisplayMessage("saving failed: engine not from list", ""); return; } // no engine from list is loaded
11290 p = strstr(firstChessProgramNames, currentEngine[n]);
11291 if(!p) { DisplayMessage("saving failed: engine not found in list", ""); return; } // sanity check; engine could be deleted from list after loading
11292 optionSettings = ResendOptions(n ? &second : &first, FALSE);
11293 len = strlen(currentEngine[n]);
11294 q = p + len; *p = 0; // cut list into head and tail piece
11295 s = strstr(currentEngine[n], "firstOptions");
11296 if(s && (s[-1] == '-' || s[-1] == '/') && (s[12] == ' ' || s[12] == '=') && (s[13] == '"' || s[13] == '\'')) {
11298 while(*r && *r != s[13]) r++;
11299 s[14] = 0; // cut currentEngine into head and tail part, removing old settings
11300 snprintf(buf, MSG_SIZ, "%s%s%s", currentEngine[n], optionSettings, *r ? r : "\""); // synthesize new engine line
11301 } else if(*optionSettings) {
11302 snprintf(buf, MSG_SIZ, "%s -firstOptions \"%s\"", currentEngine[n], optionSettings);
11304 ASSIGN(currentEngine[n], buf); // updated engine line
11305 len = p - firstChessProgramNames + strlen(q) + strlen(currentEngine[n]) + 1;
11307 snprintf(s, len, "%s%s%s", firstChessProgramNames, currentEngine[n], q);
11308 FREE(firstChessProgramNames); firstChessProgramNames = s; // new list
11311 // following implemented as macro to avoid type limitations
11312 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11315 SwapEngines (int n)
11316 { // swap settings for first engine and other engine (so far only some selected options)
11321 SWAP(chessProgram, p)
11323 SWAP(hasOwnBookUCI, h)
11324 SWAP(protocolVersion, h)
11326 SWAP(scoreIsAbsolute, h)
11331 SWAP(engOptions, p)
11332 SWAP(engInitString, p)
11333 SWAP(computerString, p)
11335 SWAP(fenOverride, p)
11337 SWAP(accumulateTC, h)
11344 GetEngineLine (char *s, int n)
11348 extern char *icsNames;
11349 if(!s || !*s) return 0;
11350 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11351 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11352 if(!mnemonic[i]) return 0;
11353 if(n == 11) return 1; // just testing if there was a match
11354 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11355 if(n == 1) SwapEngines(n);
11356 ParseArgsFromString(buf);
11357 if(n == 1) SwapEngines(n);
11358 if(n < 2) { ASSIGN(currentEngine[n], command[i]); }
11359 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11360 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11361 ParseArgsFromString(buf);
11367 SetPlayer (int player, char *p)
11368 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11370 char buf[MSG_SIZ], *engineName;
11371 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11372 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11373 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11375 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11376 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11377 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11378 ParseArgsFromString(buf);
11379 } else { // no engine with this nickname is installed!
11380 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11381 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11382 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11384 DisplayError(buf, 0);
11391 char *recentEngines;
11394 RecentEngineEvent (int nr)
11397 // SwapEngines(1); // bump first to second
11398 // ReplaceEngine(&second, 1); // and load it there
11399 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11400 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11401 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11402 ReplaceEngine(&first, 0);
11403 FloatToFront(&appData.recentEngineList, command[n]);
11408 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11409 { // determine players from game number
11410 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11412 if(appData.tourneyType == 0) {
11413 roundsPerCycle = (nPlayers - 1) | 1;
11414 pairingsPerRound = nPlayers / 2;
11415 } else if(appData.tourneyType > 0) {
11416 roundsPerCycle = nPlayers - appData.tourneyType;
11417 pairingsPerRound = appData.tourneyType;
11419 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11420 gamesPerCycle = gamesPerRound * roundsPerCycle;
11421 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11422 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11423 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11424 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11425 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11426 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11428 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11429 if(appData.roundSync) *syncInterval = gamesPerRound;
11431 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11433 if(appData.tourneyType == 0) {
11434 if(curPairing == (nPlayers-1)/2 ) {
11435 *whitePlayer = curRound;
11436 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11438 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11439 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11440 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11441 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11443 } else if(appData.tourneyType > 1) {
11444 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11445 *whitePlayer = curRound + appData.tourneyType;
11446 } else if(appData.tourneyType > 0) {
11447 *whitePlayer = curPairing;
11448 *blackPlayer = curRound + appData.tourneyType;
11451 // take care of white/black alternation per round.
11452 // For cycles and games this is already taken care of by default, derived from matchGame!
11453 return curRound & 1;
11457 NextTourneyGame (int nr, int *swapColors)
11458 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11460 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11462 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11463 tf = fopen(appData.tourneyFile, "r");
11464 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11465 ParseArgsFromFile(tf); fclose(tf);
11466 InitTimeControls(); // TC might be altered from tourney file
11468 nPlayers = CountPlayers(appData.participants); // count participants
11469 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11470 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11473 p = q = appData.results;
11474 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11475 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11476 DisplayMessage(_("Waiting for other game(s)"),"");
11477 waitingForGame = TRUE;
11478 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11481 waitingForGame = FALSE;
11484 if(appData.tourneyType < 0) {
11485 if(nr>=0 && !pairingReceived) {
11487 if(pairing.pr == NoProc) {
11488 if(!appData.pairingEngine[0]) {
11489 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11492 StartChessProgram(&pairing); // starts the pairing engine
11494 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11495 SendToProgram(buf, &pairing);
11496 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11497 SendToProgram(buf, &pairing);
11498 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11500 pairingReceived = 0; // ... so we continue here
11502 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11503 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11504 matchGame = 1; roundNr = nr / syncInterval + 1;
11507 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11509 // redefine engines, engine dir, etc.
11510 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11511 if(first.pr == NoProc) {
11512 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11513 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11515 if(second.pr == NoProc) {
11517 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11518 SwapEngines(1); // and make that valid for second engine by swapping
11519 InitEngine(&second, 1);
11521 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11522 UpdateLogos(FALSE); // leave display to ModeHiglight()
11528 { // performs game initialization that does not invoke engines, and then tries to start the game
11529 int res, firstWhite, swapColors = 0;
11530 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11531 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
11533 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11534 if(strcmp(buf, currentDebugFile)) { // name has changed
11535 FILE *f = fopen(buf, "w");
11536 if(f) { // if opening the new file failed, just keep using the old one
11537 ASSIGN(currentDebugFile, buf);
11541 if(appData.serverFileName) {
11542 if(serverFP) fclose(serverFP);
11543 serverFP = fopen(appData.serverFileName, "w");
11544 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11545 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11549 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11550 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11551 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11552 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11553 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11554 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11555 Reset(FALSE, first.pr != NoProc);
11556 res = LoadGameOrPosition(matchGame); // setup game
11557 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11558 if(!res) return; // abort when bad game/pos file
11559 if(appData.epd) {// in EPD mode we make sure first engine is to move
11560 firstWhite = !(forwardMostMove & 1);
11561 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11562 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11564 TwoMachinesEvent();
11568 UserAdjudicationEvent (int result)
11570 ChessMove gameResult = GameIsDrawn;
11573 gameResult = WhiteWins;
11575 else if( result < 0 ) {
11576 gameResult = BlackWins;
11579 if( gameMode == TwoMachinesPlay ) {
11580 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11585 // [HGM] save: calculate checksum of game to make games easily identifiable
11587 StringCheckSum (char *s)
11590 if(s==NULL) return 0;
11591 while(*s) i = i*259 + *s++;
11599 for(i=backwardMostMove; i<forwardMostMove; i++) {
11600 sum += pvInfoList[i].depth;
11601 sum += StringCheckSum(parseList[i]);
11602 sum += StringCheckSum(commentList[i]);
11605 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11606 return sum + StringCheckSum(commentList[i]);
11607 } // end of save patch
11610 GameEnds (ChessMove result, char *resultDetails, int whosays)
11612 GameMode nextGameMode;
11614 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11616 if(endingGame) return; /* [HGM] crash: forbid recursion */
11618 if(twoBoards) { // [HGM] dual: switch back to one board
11619 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11620 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11622 if (appData.debugMode) {
11623 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11624 result, resultDetails ? resultDetails : "(null)", whosays);
11627 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11629 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11631 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11632 /* If we are playing on ICS, the server decides when the
11633 game is over, but the engine can offer to draw, claim
11637 if (appData.zippyPlay && first.initDone) {
11638 if (result == GameIsDrawn) {
11639 /* In case draw still needs to be claimed */
11640 SendToICS(ics_prefix);
11641 SendToICS("draw\n");
11642 } else if (StrCaseStr(resultDetails, "resign")) {
11643 SendToICS(ics_prefix);
11644 SendToICS("resign\n");
11648 endingGame = 0; /* [HGM] crash */
11652 /* If we're loading the game from a file, stop */
11653 if (whosays == GE_FILE) {
11654 (void) StopLoadGameTimer();
11658 /* Cancel draw offers */
11659 first.offeredDraw = second.offeredDraw = 0;
11661 /* If this is an ICS game, only ICS can really say it's done;
11662 if not, anyone can. */
11663 isIcsGame = (gameMode == IcsPlayingWhite ||
11664 gameMode == IcsPlayingBlack ||
11665 gameMode == IcsObserving ||
11666 gameMode == IcsExamining);
11668 if (!isIcsGame || whosays == GE_ICS) {
11669 /* OK -- not an ICS game, or ICS said it was done */
11671 if (!isIcsGame && !appData.noChessProgram)
11672 SetUserThinkingEnables();
11674 /* [HGM] if a machine claims the game end we verify this claim */
11675 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11676 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11678 ChessMove trueResult = (ChessMove) -1;
11680 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11681 first.twoMachinesColor[0] :
11682 second.twoMachinesColor[0] ;
11684 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11685 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11686 /* [HGM] verify: engine mate claims accepted if they were flagged */
11687 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11689 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11690 /* [HGM] verify: engine mate claims accepted if they were flagged */
11691 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11693 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11694 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11697 // now verify win claims, but not in drop games, as we don't understand those yet
11698 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11699 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11700 (result == WhiteWins && claimer == 'w' ||
11701 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11702 if (appData.debugMode) {
11703 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11704 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11706 if(result != trueResult) {
11707 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11708 result = claimer == 'w' ? BlackWins : WhiteWins;
11709 resultDetails = buf;
11712 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11713 && (forwardMostMove <= backwardMostMove ||
11714 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11715 (claimer=='b')==(forwardMostMove&1))
11717 /* [HGM] verify: draws that were not flagged are false claims */
11718 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11719 result = claimer == 'w' ? BlackWins : WhiteWins;
11720 resultDetails = buf;
11722 /* (Claiming a loss is accepted no questions asked!) */
11723 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11724 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11725 result = GameUnfinished;
11726 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11728 /* [HGM] bare: don't allow bare King to win */
11729 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11730 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11731 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11732 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11733 && result != GameIsDrawn)
11734 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11735 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11736 int p = (int)boards[forwardMostMove][i][j] - color;
11737 if(p >= 0 && p <= (int)WhiteKing) k++;
11738 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11740 if (appData.debugMode) {
11741 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11742 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11744 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11745 result = GameIsDrawn;
11746 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11747 resultDetails = buf;
11753 if(serverMoves != NULL && !loadFlag) { char c = '=';
11754 if(result==WhiteWins) c = '+';
11755 if(result==BlackWins) c = '-';
11756 if(resultDetails != NULL)
11757 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11759 if (resultDetails != NULL) {
11760 gameInfo.result = result;
11761 gameInfo.resultDetails = StrSave(resultDetails);
11763 /* display last move only if game was not loaded from file */
11764 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11765 DisplayMove(currentMove - 1);
11767 if (forwardMostMove != 0) {
11768 if (gameMode != PlayFromGameFile && gameMode != EditGame
11769 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11771 if (*appData.saveGameFile != NULLCHAR) {
11772 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11773 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11775 SaveGameToFile(appData.saveGameFile, TRUE);
11776 } else if (appData.autoSaveGames) {
11777 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11779 if (*appData.savePositionFile != NULLCHAR) {
11780 SavePositionToFile(appData.savePositionFile);
11782 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11786 /* Tell program how game ended in case it is learning */
11787 /* [HGM] Moved this to after saving the PGN, just in case */
11788 /* engine died and we got here through time loss. In that */
11789 /* case we will get a fatal error writing the pipe, which */
11790 /* would otherwise lose us the PGN. */
11791 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11792 /* output during GameEnds should never be fatal anymore */
11793 if (gameMode == MachinePlaysWhite ||
11794 gameMode == MachinePlaysBlack ||
11795 gameMode == TwoMachinesPlay ||
11796 gameMode == IcsPlayingWhite ||
11797 gameMode == IcsPlayingBlack ||
11798 gameMode == BeginningOfGame) {
11800 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11802 if (first.pr != NoProc) {
11803 SendToProgram(buf, &first);
11805 if (second.pr != NoProc &&
11806 gameMode == TwoMachinesPlay) {
11807 SendToProgram(buf, &second);
11812 if (appData.icsActive) {
11813 if (appData.quietPlay &&
11814 (gameMode == IcsPlayingWhite ||
11815 gameMode == IcsPlayingBlack)) {
11816 SendToICS(ics_prefix);
11817 SendToICS("set shout 1\n");
11819 nextGameMode = IcsIdle;
11820 ics_user_moved = FALSE;
11821 /* clean up premove. It's ugly when the game has ended and the
11822 * premove highlights are still on the board.
11825 gotPremove = FALSE;
11826 ClearPremoveHighlights();
11827 DrawPosition(FALSE, boards[currentMove]);
11829 if (whosays == GE_ICS) {
11832 if (gameMode == IcsPlayingWhite)
11834 else if(gameMode == IcsPlayingBlack)
11835 PlayIcsLossSound();
11838 if (gameMode == IcsPlayingBlack)
11840 else if(gameMode == IcsPlayingWhite)
11841 PlayIcsLossSound();
11844 PlayIcsDrawSound();
11847 PlayIcsUnfinishedSound();
11850 if(appData.quitNext) { ExitEvent(0); return; }
11851 } else if (gameMode == EditGame ||
11852 gameMode == PlayFromGameFile ||
11853 gameMode == AnalyzeMode ||
11854 gameMode == AnalyzeFile) {
11855 nextGameMode = gameMode;
11857 nextGameMode = EndOfGame;
11862 nextGameMode = gameMode;
11865 if (appData.noChessProgram) {
11866 gameMode = nextGameMode;
11868 endingGame = 0; /* [HGM] crash */
11873 /* Put first chess program into idle state */
11874 if (first.pr != NoProc &&
11875 (gameMode == MachinePlaysWhite ||
11876 gameMode == MachinePlaysBlack ||
11877 gameMode == TwoMachinesPlay ||
11878 gameMode == IcsPlayingWhite ||
11879 gameMode == IcsPlayingBlack ||
11880 gameMode == BeginningOfGame)) {
11881 SendToProgram("force\n", &first);
11882 if (first.usePing) {
11884 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11885 SendToProgram(buf, &first);
11888 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11889 /* Kill off first chess program */
11890 if (first.isr != NULL)
11891 RemoveInputSource(first.isr);
11894 if (first.pr != NoProc) {
11896 DoSleep( appData.delayBeforeQuit );
11897 SendToProgram("quit\n", &first);
11898 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11899 first.reload = TRUE;
11903 if (second.reuse) {
11904 /* Put second chess program into idle state */
11905 if (second.pr != NoProc &&
11906 gameMode == TwoMachinesPlay) {
11907 SendToProgram("force\n", &second);
11908 if (second.usePing) {
11910 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11911 SendToProgram(buf, &second);
11914 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11915 /* Kill off second chess program */
11916 if (second.isr != NULL)
11917 RemoveInputSource(second.isr);
11920 if (second.pr != NoProc) {
11921 DoSleep( appData.delayBeforeQuit );
11922 SendToProgram("quit\n", &second);
11923 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11924 second.reload = TRUE;
11926 second.pr = NoProc;
11929 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11930 char resChar = '=';
11934 if (first.twoMachinesColor[0] == 'w') {
11937 second.matchWins++;
11942 if (first.twoMachinesColor[0] == 'b') {
11945 second.matchWins++;
11948 case GameUnfinished:
11954 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11955 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11956 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11957 ReserveGame(nextGame, resChar); // sets nextGame
11958 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11959 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11960 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11962 if (nextGame <= appData.matchGames && !abortMatch) {
11963 gameMode = nextGameMode;
11964 matchGame = nextGame; // this will be overruled in tourney mode!
11965 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11966 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11967 endingGame = 0; /* [HGM] crash */
11970 gameMode = nextGameMode;
11972 snprintf(buf, MSG_SIZ, "-------------------------------------- ");
11973 OutputKibitz(2, buf);
11974 snprintf(buf, MSG_SIZ, _("Average solving time %4.2f sec (total time %4.2f sec) "), totalTime/(100.*first.matchWins), totalTime/100.);
11975 OutputKibitz(2, buf);
11976 snprintf(buf, MSG_SIZ, _("%d avoid-moves played "), second.matchWins);
11977 if(second.matchWins) OutputKibitz(2, buf);
11978 snprintf(buf, MSG_SIZ, _("Solved %d out of %d (%3.1f%%) "), first.matchWins, nextGame-1, first.matchWins*100./(nextGame-1));
11979 OutputKibitz(2, buf);
11981 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11982 first.tidy, second.tidy,
11983 first.matchWins, second.matchWins,
11984 appData.matchGames - (first.matchWins + second.matchWins));
11985 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11986 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11987 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11988 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11989 first.twoMachinesColor = "black\n";
11990 second.twoMachinesColor = "white\n";
11992 first.twoMachinesColor = "white\n";
11993 second.twoMachinesColor = "black\n";
11997 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11998 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
12000 gameMode = nextGameMode;
12002 endingGame = 0; /* [HGM] crash */
12003 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
12004 if(matchMode == TRUE) { // match through command line: exit with or without popup
12006 ToNrEvent(forwardMostMove);
12007 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
12009 } else DisplayFatalError(buf, 0, 0);
12010 } else { // match through menu; just stop, with or without popup
12011 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
12014 if(strcmp(ranking, "busy")) DisplayNote(ranking);
12015 } else DisplayNote(buf);
12017 if(ranking) free(ranking);
12021 /* Assumes program was just initialized (initString sent).
12022 Leaves program in force mode. */
12024 FeedMovesToProgram (ChessProgramState *cps, int upto)
12028 if (appData.debugMode)
12029 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
12030 startedFromSetupPosition ? "position and " : "",
12031 backwardMostMove, upto, cps->which);
12032 if(currentlyInitializedVariant != gameInfo.variant) {
12034 // [HGM] variantswitch: make engine aware of new variant
12035 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
12036 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
12037 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
12038 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
12039 SendToProgram(buf, cps);
12040 currentlyInitializedVariant = gameInfo.variant;
12042 SendToProgram("force\n", cps);
12043 if (startedFromSetupPosition) {
12044 SendBoard(cps, backwardMostMove);
12045 if (appData.debugMode) {
12046 fprintf(debugFP, "feedMoves\n");
12049 for (i = backwardMostMove; i < upto; i++) {
12050 SendMoveToProgram(i, cps);
12056 ResurrectChessProgram ()
12058 /* The chess program may have exited.
12059 If so, restart it and feed it all the moves made so far. */
12060 static int doInit = 0;
12062 if (appData.noChessProgram) return 1;
12064 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
12065 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
12066 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
12067 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
12069 if (first.pr != NoProc) return 1;
12070 StartChessProgram(&first);
12072 InitChessProgram(&first, FALSE);
12073 FeedMovesToProgram(&first, currentMove);
12075 if (!first.sendTime) {
12076 /* can't tell gnuchess what its clock should read,
12077 so we bow to its notion. */
12079 timeRemaining[0][currentMove] = whiteTimeRemaining;
12080 timeRemaining[1][currentMove] = blackTimeRemaining;
12083 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
12084 appData.icsEngineAnalyze) && first.analysisSupport) {
12085 SendToProgram("analyze\n", &first);
12086 first.analyzing = TRUE;
12092 * Button procedures
12095 Reset (int redraw, int init)
12099 if (appData.debugMode) {
12100 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
12101 redraw, init, gameMode);
12103 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
12104 deadRanks = 0; // assume entire board is used
12105 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
12106 CleanupTail(); // [HGM] vari: delete any stored variations
12107 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
12108 pausing = pauseExamInvalid = FALSE;
12109 startedFromSetupPosition = blackPlaysFirst = FALSE;
12111 whiteFlag = blackFlag = FALSE;
12112 userOfferedDraw = FALSE;
12113 hintRequested = bookRequested = FALSE;
12114 first.maybeThinking = FALSE;
12115 second.maybeThinking = FALSE;
12116 first.bookSuspend = FALSE; // [HGM] book
12117 second.bookSuspend = FALSE;
12118 thinkOutput[0] = NULLCHAR;
12119 lastHint[0] = NULLCHAR;
12120 ClearGameInfo(&gameInfo);
12121 gameInfo.variant = StringToVariant(appData.variant);
12122 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) {
12123 gameInfo.variant = VariantUnknown;
12124 strncpy(engineVariant, appData.variant, MSG_SIZ);
12126 ics_user_moved = ics_clock_paused = FALSE;
12127 ics_getting_history = H_FALSE;
12129 white_holding[0] = black_holding[0] = NULLCHAR;
12130 ClearProgramStats();
12131 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
12135 flipView = appData.flipView;
12136 ClearPremoveHighlights();
12137 gotPremove = FALSE;
12138 alarmSounded = FALSE;
12139 killX = killY = kill2X = kill2Y = -1; // [HGM] lion
12141 GameEnds(EndOfFile, NULL, GE_PLAYER);
12142 if(appData.serverMovesName != NULL) {
12143 /* [HGM] prepare to make moves file for broadcasting */
12144 clock_t t = clock();
12145 if(serverMoves != NULL) fclose(serverMoves);
12146 serverMoves = fopen(appData.serverMovesName, "r");
12147 if(serverMoves != NULL) {
12148 fclose(serverMoves);
12149 /* delay 15 sec before overwriting, so all clients can see end */
12150 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
12152 serverMoves = fopen(appData.serverMovesName, "w");
12156 gameMode = BeginningOfGame;
12158 if(appData.icsActive) gameInfo.variant = VariantNormal;
12159 currentMove = forwardMostMove = backwardMostMove = 0;
12160 MarkTargetSquares(1);
12161 InitPosition(redraw);
12162 for (i = 0; i < MAX_MOVES; i++) {
12163 if (commentList[i] != NULL) {
12164 free(commentList[i]);
12165 commentList[i] = NULL;
12169 timeRemaining[0][0] = whiteTimeRemaining;
12170 timeRemaining[1][0] = blackTimeRemaining;
12172 if (first.pr == NoProc) {
12173 StartChessProgram(&first);
12176 InitChessProgram(&first, startedFromSetupPosition);
12179 DisplayMessage("", "");
12180 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12181 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
12182 ClearMap(); // [HGM] exclude: invalidate map
12186 AutoPlayGameLoop ()
12189 if (!AutoPlayOneMove())
12191 if (matchMode || appData.timeDelay == 0)
12193 if (appData.timeDelay < 0)
12195 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
12203 ReloadGame(1); // next game
12209 int fromX, fromY, toX, toY;
12211 if (appData.debugMode) {
12212 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
12215 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
12218 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
12219 pvInfoList[currentMove].depth = programStats.depth;
12220 pvInfoList[currentMove].score = programStats.score;
12221 pvInfoList[currentMove].time = 0;
12222 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
12223 else { // append analysis of final position as comment
12225 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
12226 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
12228 programStats.depth = 0;
12231 if (currentMove >= forwardMostMove) {
12232 if(gameMode == AnalyzeFile) {
12233 if(appData.loadGameIndex == -1) {
12234 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
12235 ScheduleDelayedEvent(AnalyzeNextGame, 10);
12237 ExitAnalyzeMode(); SendToProgram("force\n", &first);
12240 // gameMode = EndOfGame;
12241 // ModeHighlight();
12243 /* [AS] Clear current move marker at the end of a game */
12244 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
12249 toX = moveList[currentMove][2] - AAA;
12250 toY = moveList[currentMove][3] - ONE;
12252 if (moveList[currentMove][1] == '@') {
12253 if (appData.highlightLastMove) {
12254 SetHighlights(-1, -1, toX, toY);
12257 fromX = moveList[currentMove][0] - AAA;
12258 fromY = moveList[currentMove][1] - ONE;
12260 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
12262 if(moveList[currentMove][4] == ';') { // multi-leg
12263 killX = moveList[currentMove][5] - AAA;
12264 killY = moveList[currentMove][6] - ONE;
12266 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12267 killX = killY = -1;
12269 if (appData.highlightLastMove) {
12270 SetHighlights(fromX, fromY, toX, toY);
12273 DisplayMove(currentMove);
12274 SendMoveToProgram(currentMove++, &first);
12275 DisplayBothClocks();
12276 DrawPosition(FALSE, boards[currentMove]);
12277 // [HGM] PV info: always display, routine tests if empty
12278 DisplayComment(currentMove - 1, commentList[currentMove]);
12284 LoadGameOneMove (ChessMove readAhead)
12286 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
12287 char promoChar = NULLCHAR;
12288 ChessMove moveType;
12289 char move[MSG_SIZ];
12292 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
12293 gameMode != AnalyzeMode && gameMode != Training) {
12298 yyboardindex = forwardMostMove;
12299 if (readAhead != EndOfFile) {
12300 moveType = readAhead;
12302 if (gameFileFP == NULL)
12304 moveType = (ChessMove) Myylex();
12308 switch (moveType) {
12310 if (appData.debugMode)
12311 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12314 /* append the comment but don't display it */
12315 AppendComment(currentMove, p, FALSE);
12318 case WhiteCapturesEnPassant:
12319 case BlackCapturesEnPassant:
12320 case WhitePromotion:
12321 case BlackPromotion:
12322 case WhiteNonPromotion:
12323 case BlackNonPromotion:
12326 case WhiteKingSideCastle:
12327 case WhiteQueenSideCastle:
12328 case BlackKingSideCastle:
12329 case BlackQueenSideCastle:
12330 case WhiteKingSideCastleWild:
12331 case WhiteQueenSideCastleWild:
12332 case BlackKingSideCastleWild:
12333 case BlackQueenSideCastleWild:
12335 case WhiteHSideCastleFR:
12336 case WhiteASideCastleFR:
12337 case BlackHSideCastleFR:
12338 case BlackASideCastleFR:
12340 if (appData.debugMode)
12341 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12342 fromX = currentMoveString[0] - AAA;
12343 fromY = currentMoveString[1] - ONE;
12344 toX = currentMoveString[2] - AAA;
12345 toY = currentMoveString[3] - ONE;
12346 promoChar = currentMoveString[4];
12347 if(promoChar == ';') promoChar = currentMoveString[7];
12352 if (appData.debugMode)
12353 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12354 fromX = moveType == WhiteDrop ?
12355 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12356 (int) CharToPiece(ToLower(currentMoveString[0]));
12358 toX = currentMoveString[2] - AAA;
12359 toY = currentMoveString[3] - ONE;
12365 case GameUnfinished:
12366 if (appData.debugMode)
12367 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12368 p = strchr(yy_text, '{');
12369 if (p == NULL) p = strchr(yy_text, '(');
12372 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12374 q = strchr(p, *p == '{' ? '}' : ')');
12375 if (q != NULL) *q = NULLCHAR;
12378 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12379 GameEnds(moveType, p, GE_FILE);
12381 if (cmailMsgLoaded) {
12383 flipView = WhiteOnMove(currentMove);
12384 if (moveType == GameUnfinished) flipView = !flipView;
12385 if (appData.debugMode)
12386 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12391 if (appData.debugMode)
12392 fprintf(debugFP, "Parser hit end of file\n");
12393 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12399 if (WhiteOnMove(currentMove)) {
12400 GameEnds(BlackWins, "Black mates", GE_FILE);
12402 GameEnds(WhiteWins, "White mates", GE_FILE);
12406 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12412 case MoveNumberOne:
12413 if (lastLoadGameStart == GNUChessGame) {
12414 /* GNUChessGames have numbers, but they aren't move numbers */
12415 if (appData.debugMode)
12416 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12417 yy_text, (int) moveType);
12418 return LoadGameOneMove(EndOfFile); /* tail recursion */
12420 /* else fall thru */
12425 /* Reached start of next game in file */
12426 if (appData.debugMode)
12427 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12428 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12434 if (WhiteOnMove(currentMove)) {
12435 GameEnds(BlackWins, "Black mates", GE_FILE);
12437 GameEnds(WhiteWins, "White mates", GE_FILE);
12441 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12447 case PositionDiagram: /* should not happen; ignore */
12448 case ElapsedTime: /* ignore */
12449 case NAG: /* ignore */
12450 if (appData.debugMode)
12451 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12452 yy_text, (int) moveType);
12453 return LoadGameOneMove(EndOfFile); /* tail recursion */
12456 if (appData.testLegality) {
12457 if (appData.debugMode)
12458 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12459 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12460 (forwardMostMove / 2) + 1,
12461 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12462 DisplayError(move, 0);
12465 if (appData.debugMode)
12466 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12467 yy_text, currentMoveString);
12468 if(currentMoveString[1] == '@') {
12469 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12472 fromX = currentMoveString[0] - AAA;
12473 fromY = currentMoveString[1] - ONE;
12475 toX = currentMoveString[2] - AAA;
12476 toY = currentMoveString[3] - ONE;
12477 promoChar = currentMoveString[4];
12481 case AmbiguousMove:
12482 if (appData.debugMode)
12483 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12484 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12485 (forwardMostMove / 2) + 1,
12486 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12487 DisplayError(move, 0);
12492 case ImpossibleMove:
12493 if (appData.debugMode)
12494 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12495 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12496 (forwardMostMove / 2) + 1,
12497 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12498 DisplayError(move, 0);
12504 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12505 DrawPosition(FALSE, boards[currentMove]);
12506 DisplayBothClocks();
12507 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12508 DisplayComment(currentMove - 1, commentList[currentMove]);
12510 (void) StopLoadGameTimer();
12512 cmailOldMove = forwardMostMove;
12515 /* currentMoveString is set as a side-effect of yylex */
12517 thinkOutput[0] = NULLCHAR;
12518 MakeMove(fromX, fromY, toX, toY, promoChar);
12519 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
12520 currentMove = forwardMostMove;
12525 /* Load the nth game from the given file */
12527 LoadGameFromFile (char *filename, int n, char *title, int useList)
12532 if (strcmp(filename, "-") == 0) {
12536 f = fopen(filename, "rb");
12538 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12539 DisplayError(buf, errno);
12543 if (fseek(f, 0, 0) == -1) {
12544 /* f is not seekable; probably a pipe */
12547 if (useList && n == 0) {
12548 int error = GameListBuild(f);
12550 DisplayError(_("Cannot build game list"), error);
12551 } else if (!ListEmpty(&gameList) &&
12552 ((ListGame *) gameList.tailPred)->number > 1) {
12553 GameListPopUp(f, title);
12560 return LoadGame(f, n, title, FALSE);
12565 MakeRegisteredMove ()
12567 int fromX, fromY, toX, toY;
12569 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12570 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12573 if (appData.debugMode)
12574 fprintf(debugFP, "Restoring %s for game %d\n",
12575 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12577 thinkOutput[0] = NULLCHAR;
12578 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12579 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12580 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12581 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12582 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12583 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12584 MakeMove(fromX, fromY, toX, toY, promoChar);
12585 ShowMove(fromX, fromY, toX, toY);
12587 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12594 if (WhiteOnMove(currentMove)) {
12595 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12597 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12602 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12609 if (WhiteOnMove(currentMove)) {
12610 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12612 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12617 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12628 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12630 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12634 if (gameNumber > nCmailGames) {
12635 DisplayError(_("No more games in this message"), 0);
12638 if (f == lastLoadGameFP) {
12639 int offset = gameNumber - lastLoadGameNumber;
12641 cmailMsg[0] = NULLCHAR;
12642 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12643 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12644 nCmailMovesRegistered--;
12646 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12647 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12648 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12651 if (! RegisterMove()) return FALSE;
12655 retVal = LoadGame(f, gameNumber, title, useList);
12657 /* Make move registered during previous look at this game, if any */
12658 MakeRegisteredMove();
12660 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12661 commentList[currentMove]
12662 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12663 DisplayComment(currentMove - 1, commentList[currentMove]);
12669 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12671 ReloadGame (int offset)
12673 int gameNumber = lastLoadGameNumber + offset;
12674 if (lastLoadGameFP == NULL) {
12675 DisplayError(_("No game has been loaded yet"), 0);
12678 if (gameNumber <= 0) {
12679 DisplayError(_("Can't back up any further"), 0);
12682 if (cmailMsgLoaded) {
12683 return CmailLoadGame(lastLoadGameFP, gameNumber,
12684 lastLoadGameTitle, lastLoadGameUseList);
12686 return LoadGame(lastLoadGameFP, gameNumber,
12687 lastLoadGameTitle, lastLoadGameUseList);
12691 int keys[EmptySquare+1];
12694 PositionMatches (Board b1, Board b2)
12697 switch(appData.searchMode) {
12698 case 1: return CompareWithRights(b1, b2);
12700 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12701 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12705 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12706 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12707 sum += keys[b1[r][f]] - keys[b2[r][f]];
12711 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12712 sum += keys[b1[r][f]] - keys[b2[r][f]];
12724 int pieceList[256], quickBoard[256];
12725 ChessSquare pieceType[256] = { EmptySquare };
12726 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12727 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12728 int soughtTotal, turn;
12729 Boolean epOK, flipSearch;
12732 unsigned char piece, to;
12735 #define DSIZE (250000)
12737 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12738 Move *moveDatabase = initialSpace;
12739 unsigned int movePtr, dataSize = DSIZE;
12742 MakePieceList (Board board, int *counts)
12744 int r, f, n=Q_PROMO, total=0;
12745 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12746 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12747 int sq = f + (r<<4);
12748 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12749 quickBoard[sq] = ++n;
12751 pieceType[n] = board[r][f];
12752 counts[board[r][f]]++;
12753 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12754 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12758 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12763 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12765 int sq = fromX + (fromY<<4);
12766 int piece = quickBoard[sq], rook;
12767 quickBoard[sq] = 0;
12768 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12769 if(piece == pieceList[1] && fromY == toY) {
12770 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12771 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12772 moveDatabase[movePtr++].piece = Q_WCASTL;
12773 quickBoard[sq] = piece;
12774 piece = quickBoard[from]; quickBoard[from] = 0;
12775 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12776 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12777 quickBoard[sq] = 0; // remove Rook
12778 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12779 moveDatabase[movePtr++].piece = Q_WCASTL;
12780 quickBoard[sq] = pieceList[1]; // put King
12782 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12785 if(piece == pieceList[2] && fromY == toY) {
12786 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12787 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12788 moveDatabase[movePtr++].piece = Q_BCASTL;
12789 quickBoard[sq] = piece;
12790 piece = quickBoard[from]; quickBoard[from] = 0;
12791 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12792 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12793 quickBoard[sq] = 0; // remove Rook
12794 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12795 moveDatabase[movePtr++].piece = Q_BCASTL;
12796 quickBoard[sq] = pieceList[2]; // put King
12798 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12801 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12802 quickBoard[(fromY<<4)+toX] = 0;
12803 moveDatabase[movePtr].piece = Q_EP;
12804 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12805 moveDatabase[movePtr].to = sq;
12807 if(promoPiece != pieceType[piece]) {
12808 moveDatabase[movePtr++].piece = Q_PROMO;
12809 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12811 moveDatabase[movePtr].piece = piece;
12812 quickBoard[sq] = piece;
12817 PackGame (Board board)
12819 Move *newSpace = NULL;
12820 moveDatabase[movePtr].piece = 0; // terminate previous game
12821 if(movePtr > dataSize) {
12822 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12823 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12824 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12827 Move *p = moveDatabase, *q = newSpace;
12828 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12829 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12830 moveDatabase = newSpace;
12831 } else { // calloc failed, we must be out of memory. Too bad...
12832 dataSize = 0; // prevent calloc events for all subsequent games
12833 return 0; // and signal this one isn't cached
12837 MakePieceList(board, counts);
12842 QuickCompare (Board board, int *minCounts, int *maxCounts)
12843 { // compare according to search mode
12845 switch(appData.searchMode)
12847 case 1: // exact position match
12848 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12849 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12850 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12853 case 2: // can have extra material on empty squares
12854 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12855 if(board[r][f] == EmptySquare) continue;
12856 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12859 case 3: // material with exact Pawn structure
12860 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12861 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12862 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12863 } // fall through to material comparison
12864 case 4: // exact material
12865 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12867 case 6: // material range with given imbalance
12868 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12869 // fall through to range comparison
12870 case 5: // material range
12871 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12877 QuickScan (Board board, Move *move)
12878 { // reconstruct game,and compare all positions in it
12879 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12881 int piece = move->piece;
12882 int to = move->to, from = pieceList[piece];
12883 if(found < 0) { // if already found just scan to game end for final piece count
12884 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12885 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12886 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12887 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12889 static int lastCounts[EmptySquare+1];
12891 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12892 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12893 } else stretch = 0;
12894 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12895 if(found >= 0 && !appData.minPieces) return found;
12897 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12898 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12899 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12900 piece = (++move)->piece;
12901 from = pieceList[piece];
12902 counts[pieceType[piece]]--;
12903 pieceType[piece] = (ChessSquare) move->to;
12904 counts[move->to]++;
12905 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12906 counts[pieceType[quickBoard[to]]]--;
12907 quickBoard[to] = 0; total--;
12910 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12911 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12912 from = pieceList[piece]; // so this must be King
12913 quickBoard[from] = 0;
12914 pieceList[piece] = to;
12915 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12916 quickBoard[from] = 0; // rook
12917 quickBoard[to] = piece;
12918 to = move->to; piece = move->piece;
12922 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12923 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12924 quickBoard[from] = 0;
12926 quickBoard[to] = piece;
12927 pieceList[piece] = to;
12937 flipSearch = FALSE;
12938 CopyBoard(soughtBoard, boards[currentMove]);
12939 soughtTotal = MakePieceList(soughtBoard, maxSought);
12940 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12941 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12942 CopyBoard(reverseBoard, boards[currentMove]);
12943 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12944 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12945 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12946 reverseBoard[r][f] = piece;
12948 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12949 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12950 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12951 || (boards[currentMove][CASTLING][2] == NoRights ||
12952 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12953 && (boards[currentMove][CASTLING][5] == NoRights ||
12954 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12957 CopyBoard(flipBoard, soughtBoard);
12958 CopyBoard(rotateBoard, reverseBoard);
12959 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12960 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12961 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12964 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12965 if(appData.searchMode >= 5) {
12966 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12967 MakePieceList(soughtBoard, minSought);
12968 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12970 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12971 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12974 GameInfo dummyInfo;
12975 static int creatingBook;
12978 GameContainsPosition (FILE *f, ListGame *lg)
12980 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12981 int fromX, fromY, toX, toY;
12983 static int initDone=FALSE;
12985 // weed out games based on numerical tag comparison
12986 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12987 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12988 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12989 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12991 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12994 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12995 else CopyBoard(boards[scratch], initialPosition); // default start position
12998 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12999 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
13002 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
13003 fseek(f, lg->offset, 0);
13006 yyboardindex = scratch;
13007 quickFlag = plyNr+1;
13012 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
13018 if(plyNr) return -1; // after we have seen moves, this is for new game
13021 case AmbiguousMove: // we cannot reconstruct the game beyond these two
13022 case ImpossibleMove:
13023 case WhiteWins: // game ends here with these four
13026 case GameUnfinished:
13030 if(appData.testLegality) return -1;
13031 case WhiteCapturesEnPassant:
13032 case BlackCapturesEnPassant:
13033 case WhitePromotion:
13034 case BlackPromotion:
13035 case WhiteNonPromotion:
13036 case BlackNonPromotion:
13039 case WhiteKingSideCastle:
13040 case WhiteQueenSideCastle:
13041 case BlackKingSideCastle:
13042 case BlackQueenSideCastle:
13043 case WhiteKingSideCastleWild:
13044 case WhiteQueenSideCastleWild:
13045 case BlackKingSideCastleWild:
13046 case BlackQueenSideCastleWild:
13047 case WhiteHSideCastleFR:
13048 case WhiteASideCastleFR:
13049 case BlackHSideCastleFR:
13050 case BlackASideCastleFR:
13051 fromX = currentMoveString[0] - AAA;
13052 fromY = currentMoveString[1] - ONE;
13053 toX = currentMoveString[2] - AAA;
13054 toY = currentMoveString[3] - ONE;
13055 promoChar = currentMoveString[4];
13059 fromX = next == WhiteDrop ?
13060 (int) CharToPiece(ToUpper(currentMoveString[0])) :
13061 (int) CharToPiece(ToLower(currentMoveString[0]));
13063 toX = currentMoveString[2] - AAA;
13064 toY = currentMoveString[3] - ONE;
13068 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
13070 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
13071 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
13072 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
13073 if(appData.findMirror) {
13074 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
13075 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
13080 /* Load the nth game from open file f */
13082 LoadGame (FILE *f, int gameNumber, char *title, int useList)
13086 int gn = gameNumber;
13087 ListGame *lg = NULL;
13088 int numPGNTags = 0, i;
13090 GameMode oldGameMode;
13091 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
13092 char oldName[MSG_SIZ];
13094 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
13096 if (appData.debugMode)
13097 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
13099 if (gameMode == Training )
13100 SetTrainingModeOff();
13102 oldGameMode = gameMode;
13103 if (gameMode != BeginningOfGame) {
13104 Reset(FALSE, TRUE);
13106 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: in case we did not Reset
13109 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
13110 fclose(lastLoadGameFP);
13114 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
13117 fseek(f, lg->offset, 0);
13118 GameListHighlight(gameNumber);
13119 pos = lg->position;
13123 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
13124 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
13126 DisplayError(_("Game number out of range"), 0);
13131 if (fseek(f, 0, 0) == -1) {
13132 if (f == lastLoadGameFP ?
13133 gameNumber == lastLoadGameNumber + 1 :
13137 DisplayError(_("Can't seek on game file"), 0);
13142 lastLoadGameFP = f;
13143 lastLoadGameNumber = gameNumber;
13144 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
13145 lastLoadGameUseList = useList;
13149 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
13150 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
13151 lg->gameInfo.black);
13153 } else if (*title != NULLCHAR) {
13154 if (gameNumber > 1) {
13155 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
13158 DisplayTitle(title);
13162 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
13163 gameMode = PlayFromGameFile;
13167 currentMove = forwardMostMove = backwardMostMove = 0;
13168 CopyBoard(boards[0], initialPosition);
13172 * Skip the first gn-1 games in the file.
13173 * Also skip over anything that precedes an identifiable
13174 * start of game marker, to avoid being confused by
13175 * garbage at the start of the file. Currently
13176 * recognized start of game markers are the move number "1",
13177 * the pattern "gnuchess .* game", the pattern
13178 * "^[#;%] [^ ]* game file", and a PGN tag block.
13179 * A game that starts with one of the latter two patterns
13180 * will also have a move number 1, possibly
13181 * following a position diagram.
13182 * 5-4-02: Let's try being more lenient and allowing a game to
13183 * start with an unnumbered move. Does that break anything?
13185 cm = lastLoadGameStart = EndOfFile;
13187 yyboardindex = forwardMostMove;
13188 cm = (ChessMove) Myylex();
13191 if (cmailMsgLoaded) {
13192 nCmailGames = CMAIL_MAX_GAMES - gn;
13195 DisplayError(_("Game not found in file"), 0);
13202 lastLoadGameStart = cm;
13205 case MoveNumberOne:
13206 switch (lastLoadGameStart) {
13211 case MoveNumberOne:
13213 gn--; /* count this game */
13214 lastLoadGameStart = cm;
13223 switch (lastLoadGameStart) {
13226 case MoveNumberOne:
13228 gn--; /* count this game */
13229 lastLoadGameStart = cm;
13232 lastLoadGameStart = cm; /* game counted already */
13240 yyboardindex = forwardMostMove;
13241 cm = (ChessMove) Myylex();
13242 } while (cm == PGNTag || cm == Comment);
13249 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
13250 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
13251 != CMAIL_OLD_RESULT) {
13253 cmailResult[ CMAIL_MAX_GAMES
13254 - gn - 1] = CMAIL_OLD_RESULT;
13261 /* Only a NormalMove can be at the start of a game
13262 * without a position diagram. */
13263 if (lastLoadGameStart == EndOfFile ) {
13265 lastLoadGameStart = MoveNumberOne;
13274 if (appData.debugMode)
13275 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
13277 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; } // reset VariantMen
13279 if (cm == XBoardGame) {
13280 /* Skip any header junk before position diagram and/or move 1 */
13282 yyboardindex = forwardMostMove;
13283 cm = (ChessMove) Myylex();
13285 if (cm == EndOfFile ||
13286 cm == GNUChessGame || cm == XBoardGame) {
13287 /* Empty game; pretend end-of-file and handle later */
13292 if (cm == MoveNumberOne || cm == PositionDiagram ||
13293 cm == PGNTag || cm == Comment)
13296 } else if (cm == GNUChessGame) {
13297 if (gameInfo.event != NULL) {
13298 free(gameInfo.event);
13300 gameInfo.event = StrSave(yy_text);
13303 startedFromSetupPosition = startedFromPositionFile; // [HGM]
13304 while (cm == PGNTag) {
13305 if (appData.debugMode)
13306 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
13307 err = ParsePGNTag(yy_text, &gameInfo);
13308 if (!err) numPGNTags++;
13310 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13311 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13312 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13313 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13314 InitPosition(TRUE);
13315 oldVariant = gameInfo.variant;
13316 if (appData.debugMode)
13317 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13321 if (gameInfo.fen != NULL) {
13322 Board initial_position;
13323 startedFromSetupPosition = TRUE;
13324 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13326 DisplayError(_("Bad FEN position in file"), 0);
13329 CopyBoard(boards[0], initial_position);
13330 if(*engineVariant || gameInfo.variant == VariantFairy) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13331 CopyBoard(initialPosition, initial_position);
13332 if (blackPlaysFirst) {
13333 currentMove = forwardMostMove = backwardMostMove = 1;
13334 CopyBoard(boards[1], initial_position);
13335 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13336 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13337 timeRemaining[0][1] = whiteTimeRemaining;
13338 timeRemaining[1][1] = blackTimeRemaining;
13339 if (commentList[0] != NULL) {
13340 commentList[1] = commentList[0];
13341 commentList[0] = NULL;
13344 currentMove = forwardMostMove = backwardMostMove = 0;
13346 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13348 initialRulePlies = FENrulePlies;
13349 for( i=0; i< nrCastlingRights; i++ )
13350 initialRights[i] = initial_position[CASTLING][i];
13352 yyboardindex = forwardMostMove;
13353 free(gameInfo.fen);
13354 gameInfo.fen = NULL;
13357 yyboardindex = forwardMostMove;
13358 cm = (ChessMove) Myylex();
13360 /* Handle comments interspersed among the tags */
13361 while (cm == Comment) {
13363 if (appData.debugMode)
13364 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13366 AppendComment(currentMove, p, FALSE);
13367 yyboardindex = forwardMostMove;
13368 cm = (ChessMove) Myylex();
13372 /* don't rely on existence of Event tag since if game was
13373 * pasted from clipboard the Event tag may not exist
13375 if (numPGNTags > 0){
13377 if (gameInfo.variant == VariantNormal) {
13378 VariantClass v = StringToVariant(gameInfo.event);
13379 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13380 if(v < VariantShogi) gameInfo.variant = v;
13383 if( appData.autoDisplayTags ) {
13384 tags = PGNTags(&gameInfo);
13385 TagsPopUp(tags, CmailMsg());
13390 /* Make something up, but don't display it now */
13395 if (cm == PositionDiagram) {
13398 Board initial_position;
13400 if (appData.debugMode)
13401 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13403 if (!startedFromSetupPosition) {
13405 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13406 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13417 initial_position[i][j++] = CharToPiece(*p);
13420 while (*p == ' ' || *p == '\t' ||
13421 *p == '\n' || *p == '\r') p++;
13423 if (strncmp(p, "black", strlen("black"))==0)
13424 blackPlaysFirst = TRUE;
13426 blackPlaysFirst = FALSE;
13427 startedFromSetupPosition = TRUE;
13429 CopyBoard(boards[0], initial_position);
13430 if (blackPlaysFirst) {
13431 currentMove = forwardMostMove = backwardMostMove = 1;
13432 CopyBoard(boards[1], initial_position);
13433 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13434 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13435 timeRemaining[0][1] = whiteTimeRemaining;
13436 timeRemaining[1][1] = blackTimeRemaining;
13437 if (commentList[0] != NULL) {
13438 commentList[1] = commentList[0];
13439 commentList[0] = NULL;
13442 currentMove = forwardMostMove = backwardMostMove = 0;
13445 yyboardindex = forwardMostMove;
13446 cm = (ChessMove) Myylex();
13449 if(!creatingBook) {
13450 if (first.pr == NoProc) {
13451 StartChessProgram(&first);
13453 InitChessProgram(&first, FALSE);
13454 if(gameInfo.variant == VariantUnknown && *oldName) {
13455 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13456 gameInfo.variant = v;
13458 SendToProgram("force\n", &first);
13459 if (startedFromSetupPosition) {
13460 SendBoard(&first, forwardMostMove);
13461 if (appData.debugMode) {
13462 fprintf(debugFP, "Load Game\n");
13464 DisplayBothClocks();
13468 /* [HGM] server: flag to write setup moves in broadcast file as one */
13469 loadFlag = appData.suppressLoadMoves;
13471 while (cm == Comment) {
13473 if (appData.debugMode)
13474 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13476 AppendComment(currentMove, p, FALSE);
13477 yyboardindex = forwardMostMove;
13478 cm = (ChessMove) Myylex();
13481 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13482 cm == WhiteWins || cm == BlackWins ||
13483 cm == GameIsDrawn || cm == GameUnfinished) {
13484 DisplayMessage("", _("No moves in game"));
13485 if (cmailMsgLoaded) {
13486 if (appData.debugMode)
13487 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13491 DrawPosition(FALSE, boards[currentMove]);
13492 DisplayBothClocks();
13493 gameMode = EditGame;
13500 // [HGM] PV info: routine tests if comment empty
13501 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13502 DisplayComment(currentMove - 1, commentList[currentMove]);
13504 if (!matchMode && appData.timeDelay != 0)
13505 DrawPosition(FALSE, boards[currentMove]);
13507 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13508 programStats.ok_to_send = 1;
13511 /* if the first token after the PGN tags is a move
13512 * and not move number 1, retrieve it from the parser
13514 if (cm != MoveNumberOne)
13515 LoadGameOneMove(cm);
13517 /* load the remaining moves from the file */
13518 while (LoadGameOneMove(EndOfFile)) {
13519 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13520 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13523 /* rewind to the start of the game */
13524 currentMove = backwardMostMove;
13526 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13528 if (oldGameMode == AnalyzeFile) {
13529 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13530 AnalyzeFileEvent();
13532 if (oldGameMode == AnalyzeMode) {
13533 AnalyzeFileEvent();
13536 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13537 long int w, b; // [HGM] adjourn: restore saved clock times
13538 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13539 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13540 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13541 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13545 if(creatingBook) return TRUE;
13546 if (!matchMode && pos > 0) {
13547 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13549 if (matchMode || appData.timeDelay == 0) {
13551 } else if (appData.timeDelay > 0) {
13552 AutoPlayGameLoop();
13555 if (appData.debugMode)
13556 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13558 loadFlag = 0; /* [HGM] true game starts */
13562 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13564 ReloadPosition (int offset)
13566 int positionNumber = lastLoadPositionNumber + offset;
13567 if (lastLoadPositionFP == NULL) {
13568 DisplayError(_("No position has been loaded yet"), 0);
13571 if (positionNumber <= 0) {
13572 DisplayError(_("Can't back up any further"), 0);
13575 return LoadPosition(lastLoadPositionFP, positionNumber,
13576 lastLoadPositionTitle);
13579 /* Load the nth position from the given file */
13581 LoadPositionFromFile (char *filename, int n, char *title)
13586 if (strcmp(filename, "-") == 0) {
13587 return LoadPosition(stdin, n, "stdin");
13589 f = fopen(filename, "rb");
13591 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13592 DisplayError(buf, errno);
13595 return LoadPosition(f, n, title);
13600 /* Load the nth position from the given open file, and close it */
13602 LoadPosition (FILE *f, int positionNumber, char *title)
13604 char *p, line[MSG_SIZ];
13605 Board initial_position;
13606 int i, j, fenMode, pn;
13608 if (gameMode == Training )
13609 SetTrainingModeOff();
13611 if (gameMode != BeginningOfGame) {
13612 Reset(FALSE, TRUE);
13614 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13615 fclose(lastLoadPositionFP);
13617 if (positionNumber == 0) positionNumber = 1;
13618 lastLoadPositionFP = f;
13619 lastLoadPositionNumber = positionNumber;
13620 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13621 if (first.pr == NoProc && !appData.noChessProgram) {
13622 StartChessProgram(&first);
13623 InitChessProgram(&first, FALSE);
13625 pn = positionNumber;
13626 if (positionNumber < 0) {
13627 /* Negative position number means to seek to that byte offset */
13628 if (fseek(f, -positionNumber, 0) == -1) {
13629 DisplayError(_("Can't seek on position file"), 0);
13634 if (fseek(f, 0, 0) == -1) {
13635 if (f == lastLoadPositionFP ?
13636 positionNumber == lastLoadPositionNumber + 1 :
13637 positionNumber == 1) {
13640 DisplayError(_("Can't seek on position file"), 0);
13645 /* See if this file is FEN or old-style xboard */
13646 if (fgets(line, MSG_SIZ, f) == NULL) {
13647 DisplayError(_("Position not found in file"), 0);
13650 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13651 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13654 if (fenMode || line[0] == '#') pn--;
13656 /* skip positions before number pn */
13657 if (fgets(line, MSG_SIZ, f) == NULL) {
13659 DisplayError(_("Position not found in file"), 0);
13662 if (fenMode || line[0] == '#') pn--;
13668 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13669 DisplayError(_("Bad FEN position in file"), 0);
13672 if((strchr(line, ';')) && (p = strstr(line, " bm "))) { // EPD with best move
13673 sscanf(p+4, "%[^;]", bestMove);
13674 } else *bestMove = NULLCHAR;
13675 if((strchr(line, ';')) && (p = strstr(line, " am "))) { // EPD with avoid move
13676 sscanf(p+4, "%[^;]", avoidMove);
13677 } else *avoidMove = NULLCHAR;
13679 (void) fgets(line, MSG_SIZ, f);
13680 (void) fgets(line, MSG_SIZ, f);
13682 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13683 (void) fgets(line, MSG_SIZ, f);
13684 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13687 initial_position[i][j++] = CharToPiece(*p);
13691 blackPlaysFirst = FALSE;
13693 (void) fgets(line, MSG_SIZ, f);
13694 if (strncmp(line, "black", strlen("black"))==0)
13695 blackPlaysFirst = TRUE;
13698 startedFromSetupPosition = TRUE;
13700 CopyBoard(boards[0], initial_position);
13701 if (blackPlaysFirst) {
13702 currentMove = forwardMostMove = backwardMostMove = 1;
13703 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13704 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13705 CopyBoard(boards[1], initial_position);
13706 DisplayMessage("", _("Black to play"));
13708 currentMove = forwardMostMove = backwardMostMove = 0;
13709 DisplayMessage("", _("White to play"));
13711 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13712 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13713 SendToProgram("force\n", &first);
13714 SendBoard(&first, forwardMostMove);
13716 if (appData.debugMode) {
13718 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13719 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13720 fprintf(debugFP, "Load Position\n");
13723 if (positionNumber > 1) {
13724 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13725 DisplayTitle(line);
13727 DisplayTitle(title);
13729 gameMode = EditGame;
13732 timeRemaining[0][1] = whiteTimeRemaining;
13733 timeRemaining[1][1] = blackTimeRemaining;
13734 DrawPosition(FALSE, boards[currentMove]);
13741 CopyPlayerNameIntoFileName (char **dest, char *src)
13743 while (*src != NULLCHAR && *src != ',') {
13748 *(*dest)++ = *src++;
13754 DefaultFileName (char *ext)
13756 static char def[MSG_SIZ];
13759 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13761 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13763 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13765 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13772 /* Save the current game to the given file */
13774 SaveGameToFile (char *filename, int append)
13778 int result, i, t,tot=0;
13780 if (strcmp(filename, "-") == 0) {
13781 return SaveGame(stdout, 0, NULL);
13783 for(i=0; i<10; i++) { // upto 10 tries
13784 f = fopen(filename, append ? "a" : "w");
13785 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13786 if(f || errno != 13) break;
13787 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13791 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13792 DisplayError(buf, errno);
13795 safeStrCpy(buf, lastMsg, MSG_SIZ);
13796 DisplayMessage(_("Waiting for access to save file"), "");
13797 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13798 DisplayMessage(_("Saving game"), "");
13799 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13800 result = SaveGame(f, 0, NULL);
13801 DisplayMessage(buf, "");
13808 SavePart (char *str)
13810 static char buf[MSG_SIZ];
13813 p = strchr(str, ' ');
13814 if (p == NULL) return str;
13815 strncpy(buf, str, p - str);
13816 buf[p - str] = NULLCHAR;
13820 #define PGN_MAX_LINE 75
13822 #define PGN_SIDE_WHITE 0
13823 #define PGN_SIDE_BLACK 1
13826 FindFirstMoveOutOfBook (int side)
13830 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13831 int index = backwardMostMove;
13832 int has_book_hit = 0;
13834 if( (index % 2) != side ) {
13838 while( index < forwardMostMove ) {
13839 /* Check to see if engine is in book */
13840 int depth = pvInfoList[index].depth;
13841 int score = pvInfoList[index].score;
13847 else if( score == 0 && depth == 63 ) {
13848 in_book = 1; /* Zappa */
13850 else if( score == 2 && depth == 99 ) {
13851 in_book = 1; /* Abrok */
13854 has_book_hit += in_book;
13870 GetOutOfBookInfo (char * buf)
13874 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13876 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13877 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13881 if( oob[0] >= 0 || oob[1] >= 0 ) {
13882 for( i=0; i<2; i++ ) {
13886 if( i > 0 && oob[0] >= 0 ) {
13887 strcat( buf, " " );
13890 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13891 sprintf( buf+strlen(buf), "%s%.2f",
13892 pvInfoList[idx].score >= 0 ? "+" : "",
13893 pvInfoList[idx].score / 100.0 );
13899 /* Save game in PGN style */
13901 SaveGamePGN2 (FILE *f)
13903 int i, offset, linelen, newblock;
13906 int movelen, numlen, blank;
13907 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13909 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13911 PrintPGNTags(f, &gameInfo);
13913 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13915 if (backwardMostMove > 0 || startedFromSetupPosition) {
13916 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13917 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13918 fprintf(f, "\n{--------------\n");
13919 PrintPosition(f, backwardMostMove);
13920 fprintf(f, "--------------}\n");
13924 /* [AS] Out of book annotation */
13925 if( appData.saveOutOfBookInfo ) {
13928 GetOutOfBookInfo( buf );
13930 if( buf[0] != '\0' ) {
13931 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13938 i = backwardMostMove;
13942 while (i < forwardMostMove) {
13943 /* Print comments preceding this move */
13944 if (commentList[i] != NULL) {
13945 if (linelen > 0) fprintf(f, "\n");
13946 fprintf(f, "%s", commentList[i]);
13951 /* Format move number */
13953 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13956 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13958 numtext[0] = NULLCHAR;
13960 numlen = strlen(numtext);
13963 /* Print move number */
13964 blank = linelen > 0 && numlen > 0;
13965 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13974 fprintf(f, "%s", numtext);
13978 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13979 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13982 blank = linelen > 0 && movelen > 0;
13983 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13992 fprintf(f, "%s", move_buffer);
13993 linelen += movelen;
13995 /* [AS] Add PV info if present */
13996 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13997 /* [HGM] add time */
13998 char buf[MSG_SIZ]; int seconds;
14000 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
14006 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
14009 seconds = (seconds + 4)/10; // round to full seconds
14011 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
14013 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
14016 if(appData.cumulativeTimePGN) {
14017 snprintf(buf, MSG_SIZ, " %+ld", timeRemaining[i & 1][i+1]/1000);
14020 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
14021 pvInfoList[i].score >= 0 ? "+" : "",
14022 pvInfoList[i].score / 100.0,
14023 pvInfoList[i].depth,
14026 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
14028 /* Print score/depth */
14029 blank = linelen > 0 && movelen > 0;
14030 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
14039 fprintf(f, "%s", move_buffer);
14040 linelen += movelen;
14046 /* Start a new line */
14047 if (linelen > 0) fprintf(f, "\n");
14049 /* Print comments after last move */
14050 if (commentList[i] != NULL) {
14051 fprintf(f, "%s\n", commentList[i]);
14055 if (gameInfo.resultDetails != NULL &&
14056 gameInfo.resultDetails[0] != NULLCHAR) {
14057 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
14058 if(gameInfo.result == GameUnfinished && appData.clockMode &&
14059 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
14060 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
14061 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
14063 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
14067 /* Save game in PGN style and close the file */
14069 SaveGamePGN (FILE *f)
14073 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
14077 /* Save game in old style and close the file */
14079 SaveGameOldStyle (FILE *f)
14084 tm = time((time_t *) NULL);
14086 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
14089 if (backwardMostMove > 0 || startedFromSetupPosition) {
14090 fprintf(f, "\n[--------------\n");
14091 PrintPosition(f, backwardMostMove);
14092 fprintf(f, "--------------]\n");
14097 i = backwardMostMove;
14098 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
14100 while (i < forwardMostMove) {
14101 if (commentList[i] != NULL) {
14102 fprintf(f, "[%s]\n", commentList[i]);
14105 if ((i % 2) == 1) {
14106 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
14109 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
14111 if (commentList[i] != NULL) {
14115 if (i >= forwardMostMove) {
14119 fprintf(f, "%s\n", parseList[i]);
14124 if (commentList[i] != NULL) {
14125 fprintf(f, "[%s]\n", commentList[i]);
14128 /* This isn't really the old style, but it's close enough */
14129 if (gameInfo.resultDetails != NULL &&
14130 gameInfo.resultDetails[0] != NULLCHAR) {
14131 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
14132 gameInfo.resultDetails);
14134 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
14141 /* Save the current game to open file f and close the file */
14143 SaveGame (FILE *f, int dummy, char *dummy2)
14145 if (gameMode == EditPosition) EditPositionDone(TRUE);
14146 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
14147 if (appData.oldSaveStyle)
14148 return SaveGameOldStyle(f);
14150 return SaveGamePGN(f);
14153 /* Save the current position to the given file */
14155 SavePositionToFile (char *filename)
14160 if (strcmp(filename, "-") == 0) {
14161 return SavePosition(stdout, 0, NULL);
14163 f = fopen(filename, "a");
14165 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
14166 DisplayError(buf, errno);
14169 safeStrCpy(buf, lastMsg, MSG_SIZ);
14170 DisplayMessage(_("Waiting for access to save file"), "");
14171 flock(fileno(f), LOCK_EX); // [HGM] lock
14172 DisplayMessage(_("Saving position"), "");
14173 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
14174 SavePosition(f, 0, NULL);
14175 DisplayMessage(buf, "");
14181 /* Save the current position to the given open file and close the file */
14183 SavePosition (FILE *f, int dummy, char *dummy2)
14188 if (gameMode == EditPosition) EditPositionDone(TRUE);
14189 if (appData.oldSaveStyle) {
14190 tm = time((time_t *) NULL);
14192 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
14194 fprintf(f, "[--------------\n");
14195 PrintPosition(f, currentMove);
14196 fprintf(f, "--------------]\n");
14198 fen = PositionToFEN(currentMove, NULL, 1);
14199 fprintf(f, "%s\n", fen);
14207 ReloadCmailMsgEvent (int unregister)
14210 static char *inFilename = NULL;
14211 static char *outFilename;
14213 struct stat inbuf, outbuf;
14216 /* Any registered moves are unregistered if unregister is set, */
14217 /* i.e. invoked by the signal handler */
14219 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14220 cmailMoveRegistered[i] = FALSE;
14221 if (cmailCommentList[i] != NULL) {
14222 free(cmailCommentList[i]);
14223 cmailCommentList[i] = NULL;
14226 nCmailMovesRegistered = 0;
14229 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14230 cmailResult[i] = CMAIL_NOT_RESULT;
14234 if (inFilename == NULL) {
14235 /* Because the filenames are static they only get malloced once */
14236 /* and they never get freed */
14237 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
14238 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
14240 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
14241 sprintf(outFilename, "%s.out", appData.cmailGameName);
14244 status = stat(outFilename, &outbuf);
14246 cmailMailedMove = FALSE;
14248 status = stat(inFilename, &inbuf);
14249 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
14252 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
14253 counts the games, notes how each one terminated, etc.
14255 It would be nice to remove this kludge and instead gather all
14256 the information while building the game list. (And to keep it
14257 in the game list nodes instead of having a bunch of fixed-size
14258 parallel arrays.) Note this will require getting each game's
14259 termination from the PGN tags, as the game list builder does
14260 not process the game moves. --mann
14262 cmailMsgLoaded = TRUE;
14263 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
14265 /* Load first game in the file or popup game menu */
14266 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
14268 #endif /* !WIN32 */
14276 char string[MSG_SIZ];
14278 if ( cmailMailedMove
14279 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
14280 return TRUE; /* Allow free viewing */
14283 /* Unregister move to ensure that we don't leave RegisterMove */
14284 /* with the move registered when the conditions for registering no */
14286 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
14287 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
14288 nCmailMovesRegistered --;
14290 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
14292 free(cmailCommentList[lastLoadGameNumber - 1]);
14293 cmailCommentList[lastLoadGameNumber - 1] = NULL;
14297 if (cmailOldMove == -1) {
14298 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
14302 if (currentMove > cmailOldMove + 1) {
14303 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
14307 if (currentMove < cmailOldMove) {
14308 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
14312 if (forwardMostMove > currentMove) {
14313 /* Silently truncate extra moves */
14317 if ( (currentMove == cmailOldMove + 1)
14318 || ( (currentMove == cmailOldMove)
14319 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14320 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14321 if (gameInfo.result != GameUnfinished) {
14322 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14325 if (commentList[currentMove] != NULL) {
14326 cmailCommentList[lastLoadGameNumber - 1]
14327 = StrSave(commentList[currentMove]);
14329 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14331 if (appData.debugMode)
14332 fprintf(debugFP, "Saving %s for game %d\n",
14333 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14335 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14337 f = fopen(string, "w");
14338 if (appData.oldSaveStyle) {
14339 SaveGameOldStyle(f); /* also closes the file */
14341 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14342 f = fopen(string, "w");
14343 SavePosition(f, 0, NULL); /* also closes the file */
14345 fprintf(f, "{--------------\n");
14346 PrintPosition(f, currentMove);
14347 fprintf(f, "--------------}\n\n");
14349 SaveGame(f, 0, NULL); /* also closes the file*/
14352 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14353 nCmailMovesRegistered ++;
14354 } else if (nCmailGames == 1) {
14355 DisplayError(_("You have not made a move yet"), 0);
14366 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14367 FILE *commandOutput;
14368 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14369 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14375 if (! cmailMsgLoaded) {
14376 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14380 if (nCmailGames == nCmailResults) {
14381 DisplayError(_("No unfinished games"), 0);
14385 #if CMAIL_PROHIBIT_REMAIL
14386 if (cmailMailedMove) {
14387 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);
14388 DisplayError(msg, 0);
14393 if (! (cmailMailedMove || RegisterMove())) return;
14395 if ( cmailMailedMove
14396 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14397 snprintf(string, MSG_SIZ, partCommandString,
14398 appData.debugMode ? " -v" : "", appData.cmailGameName);
14399 commandOutput = popen(string, "r");
14401 if (commandOutput == NULL) {
14402 DisplayError(_("Failed to invoke cmail"), 0);
14404 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14405 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14407 if (nBuffers > 1) {
14408 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14409 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14410 nBytes = MSG_SIZ - 1;
14412 (void) memcpy(msg, buffer, nBytes);
14414 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14416 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14417 cmailMailedMove = TRUE; /* Prevent >1 moves */
14420 for (i = 0; i < nCmailGames; i ++) {
14421 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14426 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14428 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14430 appData.cmailGameName,
14432 LoadGameFromFile(buffer, 1, buffer, FALSE);
14433 cmailMsgLoaded = FALSE;
14437 DisplayInformation(msg);
14438 pclose(commandOutput);
14441 if ((*cmailMsg) != '\0') {
14442 DisplayInformation(cmailMsg);
14447 #endif /* !WIN32 */
14456 int prependComma = 0;
14458 char string[MSG_SIZ]; /* Space for game-list */
14461 if (!cmailMsgLoaded) return "";
14463 if (cmailMailedMove) {
14464 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14466 /* Create a list of games left */
14467 snprintf(string, MSG_SIZ, "[");
14468 for (i = 0; i < nCmailGames; i ++) {
14469 if (! ( cmailMoveRegistered[i]
14470 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14471 if (prependComma) {
14472 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14474 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14478 strcat(string, number);
14481 strcat(string, "]");
14483 if (nCmailMovesRegistered + nCmailResults == 0) {
14484 switch (nCmailGames) {
14486 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14490 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14494 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14499 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14501 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14506 if (nCmailResults == nCmailGames) {
14507 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14509 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14514 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14526 if (gameMode == Training)
14527 SetTrainingModeOff();
14530 cmailMsgLoaded = FALSE;
14531 if (appData.icsActive) {
14532 SendToICS(ics_prefix);
14533 SendToICS("refresh\n");
14538 ExitEvent (int status)
14542 /* Give up on clean exit */
14546 /* Keep trying for clean exit */
14550 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14551 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14553 if (telnetISR != NULL) {
14554 RemoveInputSource(telnetISR);
14556 if (icsPR != NoProc) {
14557 DestroyChildProcess(icsPR, TRUE);
14560 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14561 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14563 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14564 /* make sure this other one finishes before killing it! */
14565 if(endingGame) { int count = 0;
14566 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14567 while(endingGame && count++ < 10) DoSleep(1);
14568 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14571 /* Kill off chess programs */
14572 if (first.pr != NoProc) {
14575 DoSleep( appData.delayBeforeQuit );
14576 SendToProgram("quit\n", &first);
14577 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14579 if (second.pr != NoProc) {
14580 DoSleep( appData.delayBeforeQuit );
14581 SendToProgram("quit\n", &second);
14582 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14584 if (first.isr != NULL) {
14585 RemoveInputSource(first.isr);
14587 if (second.isr != NULL) {
14588 RemoveInputSource(second.isr);
14591 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14592 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14594 ShutDownFrontEnd();
14599 PauseEngine (ChessProgramState *cps)
14601 SendToProgram("pause\n", cps);
14606 UnPauseEngine (ChessProgramState *cps)
14608 SendToProgram("resume\n", cps);
14615 if (appData.debugMode)
14616 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14620 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14622 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14623 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14624 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14626 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14627 HandleMachineMove(stashedInputMove, stalledEngine);
14628 stalledEngine = NULL;
14631 if (gameMode == MachinePlaysWhite ||
14632 gameMode == TwoMachinesPlay ||
14633 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14634 if(first.pause) UnPauseEngine(&first);
14635 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14636 if(second.pause) UnPauseEngine(&second);
14637 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14640 DisplayBothClocks();
14642 if (gameMode == PlayFromGameFile) {
14643 if (appData.timeDelay >= 0)
14644 AutoPlayGameLoop();
14645 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14646 Reset(FALSE, TRUE);
14647 SendToICS(ics_prefix);
14648 SendToICS("refresh\n");
14649 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14650 ForwardInner(forwardMostMove);
14652 pauseExamInvalid = FALSE;
14654 switch (gameMode) {
14658 pauseExamForwardMostMove = forwardMostMove;
14659 pauseExamInvalid = FALSE;
14662 case IcsPlayingWhite:
14663 case IcsPlayingBlack:
14667 case PlayFromGameFile:
14668 (void) StopLoadGameTimer();
14672 case BeginningOfGame:
14673 if (appData.icsActive) return;
14674 /* else fall through */
14675 case MachinePlaysWhite:
14676 case MachinePlaysBlack:
14677 case TwoMachinesPlay:
14678 if (forwardMostMove == 0)
14679 return; /* don't pause if no one has moved */
14680 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14681 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14682 if(onMove->pause) { // thinking engine can be paused
14683 PauseEngine(onMove); // do it
14684 if(onMove->other->pause) // pondering opponent can always be paused immediately
14685 PauseEngine(onMove->other);
14687 SendToProgram("easy\n", onMove->other);
14689 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14690 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14692 PauseEngine(&first);
14694 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14695 } else { // human on move, pause pondering by either method
14697 PauseEngine(&first);
14698 else if(appData.ponderNextMove)
14699 SendToProgram("easy\n", &first);
14702 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14712 EditCommentEvent ()
14714 char title[MSG_SIZ];
14716 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14717 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14719 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14720 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14721 parseList[currentMove - 1]);
14724 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14731 char *tags = PGNTags(&gameInfo);
14733 EditTagsPopUp(tags, NULL);
14740 if(second.analyzing) {
14741 SendToProgram("exit\n", &second);
14742 second.analyzing = FALSE;
14744 if (second.pr == NoProc) StartChessProgram(&second);
14745 InitChessProgram(&second, FALSE);
14746 FeedMovesToProgram(&second, currentMove);
14748 SendToProgram("analyze\n", &second);
14749 second.analyzing = TRUE;
14753 /* Toggle ShowThinking */
14755 ToggleShowThinking()
14757 appData.showThinking = !appData.showThinking;
14758 ShowThinkingEvent();
14762 AnalyzeModeEvent ()
14766 if (!first.analysisSupport) {
14767 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14768 DisplayError(buf, 0);
14771 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14772 if (appData.icsActive) {
14773 if (gameMode != IcsObserving) {
14774 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14775 DisplayError(buf, 0);
14777 if (appData.icsEngineAnalyze) {
14778 if (appData.debugMode)
14779 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14785 /* if enable, user wants to disable icsEngineAnalyze */
14786 if (appData.icsEngineAnalyze) {
14791 appData.icsEngineAnalyze = TRUE;
14792 if (appData.debugMode)
14793 fprintf(debugFP, "ICS engine analyze starting... \n");
14796 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14797 if (appData.noChessProgram || gameMode == AnalyzeMode)
14800 if (gameMode != AnalyzeFile) {
14801 if (!appData.icsEngineAnalyze) {
14803 if (gameMode != EditGame) return 0;
14805 if (!appData.showThinking) ToggleShowThinking();
14806 ResurrectChessProgram();
14807 SendToProgram("analyze\n", &first);
14808 first.analyzing = TRUE;
14809 /*first.maybeThinking = TRUE;*/
14810 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14811 EngineOutputPopUp();
14813 if (!appData.icsEngineAnalyze) {
14814 gameMode = AnalyzeMode;
14815 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14821 StartAnalysisClock();
14822 GetTimeMark(&lastNodeCountTime);
14828 AnalyzeFileEvent ()
14830 if (appData.noChessProgram || gameMode == AnalyzeFile)
14833 if (!first.analysisSupport) {
14835 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14836 DisplayError(buf, 0);
14840 if (gameMode != AnalyzeMode) {
14841 keepInfo = 1; // mere annotating should not alter PGN tags
14844 if (gameMode != EditGame) return;
14845 if (!appData.showThinking) ToggleShowThinking();
14846 ResurrectChessProgram();
14847 SendToProgram("analyze\n", &first);
14848 first.analyzing = TRUE;
14849 /*first.maybeThinking = TRUE;*/
14850 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14851 EngineOutputPopUp();
14853 gameMode = AnalyzeFile;
14857 StartAnalysisClock();
14858 GetTimeMark(&lastNodeCountTime);
14860 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14861 AnalysisPeriodicEvent(1);
14865 MachineWhiteEvent ()
14868 char *bookHit = NULL;
14870 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14874 if (gameMode == PlayFromGameFile ||
14875 gameMode == TwoMachinesPlay ||
14876 gameMode == Training ||
14877 gameMode == AnalyzeMode ||
14878 gameMode == EndOfGame)
14881 if (gameMode == EditPosition)
14882 EditPositionDone(TRUE);
14884 if (!WhiteOnMove(currentMove)) {
14885 DisplayError(_("It is not White's turn"), 0);
14889 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14892 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14893 gameMode == AnalyzeFile)
14896 ResurrectChessProgram(); /* in case it isn't running */
14897 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14898 gameMode = MachinePlaysWhite;
14901 gameMode = MachinePlaysWhite;
14905 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14907 if (first.sendName) {
14908 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14909 SendToProgram(buf, &first);
14911 if (first.sendTime) {
14912 if (first.useColors) {
14913 SendToProgram("black\n", &first); /*gnu kludge*/
14915 SendTimeRemaining(&first, TRUE);
14917 if (first.useColors) {
14918 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14920 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14921 SetMachineThinkingEnables();
14922 first.maybeThinking = TRUE;
14926 if (appData.autoFlipView && !flipView) {
14927 flipView = !flipView;
14928 DrawPosition(FALSE, NULL);
14929 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14932 if(bookHit) { // [HGM] book: simulate book reply
14933 static char bookMove[MSG_SIZ]; // a bit generous?
14935 programStats.nodes = programStats.depth = programStats.time =
14936 programStats.score = programStats.got_only_move = 0;
14937 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14939 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14940 strcat(bookMove, bookHit);
14941 savedMessage = bookMove; // args for deferred call
14942 savedState = &first;
14943 ScheduleDelayedEvent(DeferredBookMove, 1);
14948 MachineBlackEvent ()
14951 char *bookHit = NULL;
14953 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14957 if (gameMode == PlayFromGameFile ||
14958 gameMode == TwoMachinesPlay ||
14959 gameMode == Training ||
14960 gameMode == AnalyzeMode ||
14961 gameMode == EndOfGame)
14964 if (gameMode == EditPosition)
14965 EditPositionDone(TRUE);
14967 if (WhiteOnMove(currentMove)) {
14968 DisplayError(_("It is not Black's turn"), 0);
14972 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14975 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14976 gameMode == AnalyzeFile)
14979 ResurrectChessProgram(); /* in case it isn't running */
14980 gameMode = MachinePlaysBlack;
14984 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14986 if (first.sendName) {
14987 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14988 SendToProgram(buf, &first);
14990 if (first.sendTime) {
14991 if (first.useColors) {
14992 SendToProgram("white\n", &first); /*gnu kludge*/
14994 SendTimeRemaining(&first, FALSE);
14996 if (first.useColors) {
14997 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14999 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
15000 SetMachineThinkingEnables();
15001 first.maybeThinking = TRUE;
15004 if (appData.autoFlipView && flipView) {
15005 flipView = !flipView;
15006 DrawPosition(FALSE, NULL);
15007 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
15009 if(bookHit) { // [HGM] book: simulate book reply
15010 static char bookMove[MSG_SIZ]; // a bit generous?
15012 programStats.nodes = programStats.depth = programStats.time =
15013 programStats.score = programStats.got_only_move = 0;
15014 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15016 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15017 strcat(bookMove, bookHit);
15018 savedMessage = bookMove; // args for deferred call
15019 savedState = &first;
15020 ScheduleDelayedEvent(DeferredBookMove, 1);
15026 DisplayTwoMachinesTitle ()
15029 if (appData.matchGames > 0) {
15030 if(appData.tourneyFile[0]) {
15031 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
15032 gameInfo.white, _("vs."), gameInfo.black,
15033 nextGame+1, appData.matchGames+1,
15034 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
15036 if (first.twoMachinesColor[0] == 'w') {
15037 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
15038 gameInfo.white, _("vs."), gameInfo.black,
15039 first.matchWins, second.matchWins,
15040 matchGame - 1 - (first.matchWins + second.matchWins));
15042 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
15043 gameInfo.white, _("vs."), gameInfo.black,
15044 second.matchWins, first.matchWins,
15045 matchGame - 1 - (first.matchWins + second.matchWins));
15048 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
15054 SettingsMenuIfReady ()
15056 if (second.lastPing != second.lastPong) {
15057 DisplayMessage("", _("Waiting for second chess program"));
15058 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
15062 DisplayMessage("", "");
15063 SettingsPopUp(&second);
15067 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
15070 if (cps->pr == NoProc) {
15071 StartChessProgram(cps);
15072 if (cps->protocolVersion == 1) {
15074 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
15076 /* kludge: allow timeout for initial "feature" command */
15077 if(retry != TwoMachinesEventIfReady) FreezeUI();
15078 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
15079 DisplayMessage("", buf);
15080 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
15088 TwoMachinesEvent P((void))
15090 int i, move = forwardMostMove;
15092 ChessProgramState *onmove;
15093 char *bookHit = NULL;
15094 static int stalling = 0;
15098 if (appData.noChessProgram) return;
15100 switch (gameMode) {
15101 case TwoMachinesPlay:
15103 case MachinePlaysWhite:
15104 case MachinePlaysBlack:
15105 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15106 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15110 case BeginningOfGame:
15111 case PlayFromGameFile:
15114 if (gameMode != EditGame) return;
15117 EditPositionDone(TRUE);
15128 // forwardMostMove = currentMove;
15129 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
15130 startingEngine = TRUE;
15132 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
15134 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
15135 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
15136 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15140 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
15142 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
15143 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
15144 startingEngine = matchMode = FALSE;
15145 DisplayError("second engine does not play this", 0);
15146 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
15147 EditGameEvent(); // switch back to EditGame mode
15152 InitChessProgram(&second, FALSE); // unbalances ping of second engine
15153 SendToProgram("force\n", &second);
15155 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15159 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
15160 if(appData.matchPause>10000 || appData.matchPause<10)
15161 appData.matchPause = 10000; /* [HGM] make pause adjustable */
15162 wait = SubtractTimeMarks(&now, &pauseStart);
15163 if(wait < appData.matchPause) {
15164 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
15167 // we are now committed to starting the game
15169 DisplayMessage("", "");
15171 if (startedFromSetupPosition) {
15172 SendBoard(&second, backwardMostMove);
15173 if (appData.debugMode) {
15174 fprintf(debugFP, "Two Machines\n");
15177 for (i = backwardMostMove; i < forwardMostMove; i++) {
15178 SendMoveToProgram(i, &second);
15182 gameMode = TwoMachinesPlay;
15183 pausing = startingEngine = FALSE;
15184 ModeHighlight(); // [HGM] logo: this triggers display update of logos
15186 DisplayTwoMachinesTitle();
15188 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
15193 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
15194 SendToProgram(first.computerString, &first);
15195 if (first.sendName) {
15196 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
15197 SendToProgram(buf, &first);
15200 SendToProgram(second.computerString, &second);
15201 if (second.sendName) {
15202 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
15203 SendToProgram(buf, &second);
15207 if (!first.sendTime || !second.sendTime || move == 0) { // [HGM] first engine changed sides from Reset, so recalc time odds
15209 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15210 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15212 if (onmove->sendTime) {
15213 if (onmove->useColors) {
15214 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
15216 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
15218 if (onmove->useColors) {
15219 SendToProgram(onmove->twoMachinesColor, onmove);
15221 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
15222 // SendToProgram("go\n", onmove);
15223 onmove->maybeThinking = TRUE;
15224 SetMachineThinkingEnables();
15228 if(bookHit) { // [HGM] book: simulate book reply
15229 static char bookMove[MSG_SIZ]; // a bit generous?
15231 programStats.nodes = programStats.depth = programStats.time =
15232 programStats.score = programStats.got_only_move = 0;
15233 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15235 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15236 strcat(bookMove, bookHit);
15237 savedMessage = bookMove; // args for deferred call
15238 savedState = onmove;
15239 ScheduleDelayedEvent(DeferredBookMove, 1);
15246 if (gameMode == Training) {
15247 SetTrainingModeOff();
15248 gameMode = PlayFromGameFile;
15249 DisplayMessage("", _("Training mode off"));
15251 gameMode = Training;
15252 animateTraining = appData.animate;
15254 /* make sure we are not already at the end of the game */
15255 if (currentMove < forwardMostMove) {
15256 SetTrainingModeOn();
15257 DisplayMessage("", _("Training mode on"));
15259 gameMode = PlayFromGameFile;
15260 DisplayError(_("Already at end of game"), 0);
15269 if (!appData.icsActive) return;
15270 switch (gameMode) {
15271 case IcsPlayingWhite:
15272 case IcsPlayingBlack:
15275 case BeginningOfGame:
15283 EditPositionDone(TRUE);
15296 gameMode = IcsIdle;
15306 switch (gameMode) {
15308 SetTrainingModeOff();
15310 case MachinePlaysWhite:
15311 case MachinePlaysBlack:
15312 case BeginningOfGame:
15313 SendToProgram("force\n", &first);
15314 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
15315 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
15317 abortEngineThink = TRUE;
15318 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
15319 SendToProgram(buf, &first);
15320 DisplayMessage("Aborting engine think", "");
15324 SetUserThinkingEnables();
15326 case PlayFromGameFile:
15327 (void) StopLoadGameTimer();
15328 if (gameFileFP != NULL) {
15333 EditPositionDone(TRUE);
15338 SendToProgram("force\n", &first);
15340 case TwoMachinesPlay:
15341 GameEnds(EndOfFile, NULL, GE_PLAYER);
15342 ResurrectChessProgram();
15343 SetUserThinkingEnables();
15346 ResurrectChessProgram();
15348 case IcsPlayingBlack:
15349 case IcsPlayingWhite:
15350 DisplayError(_("Warning: You are still playing a game"), 0);
15353 DisplayError(_("Warning: You are still observing a game"), 0);
15356 DisplayError(_("Warning: You are still examining a game"), 0);
15367 first.offeredDraw = second.offeredDraw = 0;
15369 if (gameMode == PlayFromGameFile) {
15370 whiteTimeRemaining = timeRemaining[0][currentMove];
15371 blackTimeRemaining = timeRemaining[1][currentMove];
15375 if (gameMode == MachinePlaysWhite ||
15376 gameMode == MachinePlaysBlack ||
15377 gameMode == TwoMachinesPlay ||
15378 gameMode == EndOfGame) {
15379 i = forwardMostMove;
15380 while (i > currentMove) {
15381 SendToProgram("undo\n", &first);
15384 if(!adjustedClock) {
15385 whiteTimeRemaining = timeRemaining[0][currentMove];
15386 blackTimeRemaining = timeRemaining[1][currentMove];
15387 DisplayBothClocks();
15389 if (whiteFlag || blackFlag) {
15390 whiteFlag = blackFlag = 0;
15395 gameMode = EditGame;
15401 EditPositionEvent ()
15404 if (gameMode == EditPosition) {
15410 if (gameMode != EditGame) return;
15412 gameMode = EditPosition;
15415 CopyBoard(rightsBoard, nullBoard);
15416 if (currentMove > 0)
15417 CopyBoard(boards[0], boards[currentMove]);
15418 for(i=0; i<nrCastlingRights; i++) if(boards[0][CASTLING][i] != NoRights)
15419 rightsBoard[castlingRank[i]][boards[0][CASTLING][i]] = 1; // copy remaining rights
15421 blackPlaysFirst = !WhiteOnMove(currentMove);
15423 currentMove = forwardMostMove = backwardMostMove = 0;
15424 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15426 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15432 /* [DM] icsEngineAnalyze - possible call from other functions */
15433 if (appData.icsEngineAnalyze) {
15434 appData.icsEngineAnalyze = FALSE;
15436 DisplayMessage("",_("Close ICS engine analyze..."));
15438 if (first.analysisSupport && first.analyzing) {
15439 SendToBoth("exit\n");
15440 first.analyzing = second.analyzing = FALSE;
15442 thinkOutput[0] = NULLCHAR;
15446 EditPositionDone (Boolean fakeRights)
15448 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15450 startedFromSetupPosition = TRUE;
15451 InitChessProgram(&first, FALSE);
15452 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15454 boards[0][EP_STATUS] = EP_NONE;
15455 for(f=0; f<=nrCastlingRights; f++) boards[0][CASTLING][f] = NoRights;
15456 for(r=BOARD_HEIGHT-1; r>=0; r--) for(f=BOARD_RGHT-1; f>=BOARD_LEFT; f--) { // first pass: Kings & e.p.
15457 if(rightsBoard[r][f]) {
15458 ChessSquare p = boards[0][r][f];
15459 if(p == (blackPlaysFirst ? WhitePawn : BlackPawn)) boards[0][EP_STATUS] = f;
15460 else if(p == king) boards[0][CASTLING][2] = f;
15461 else if(p == WHITE_TO_BLACK king) boards[0][CASTLING][5] = f;
15462 else rightsBoard[r][f] = 2; // mark for second pass
15465 for(r=BOARD_HEIGHT-1; r>=0; r--) for(f=BOARD_RGHT-1; f>=BOARD_LEFT; f--) { // second pass: Rooks
15466 if(rightsBoard[r][f] == 2) {
15467 ChessSquare p = boards[0][r][f];
15468 if(p == WhiteRook) boards[0][CASTLING][(f < boards[0][CASTLING][2])] = f; else
15469 if(p == BlackRook) boards[0][CASTLING][(f < boards[0][CASTLING][5])+3] = f;
15473 SendToProgram("force\n", &first);
15474 if (blackPlaysFirst) {
15475 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15476 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15477 currentMove = forwardMostMove = backwardMostMove = 1;
15478 CopyBoard(boards[1], boards[0]);
15480 currentMove = forwardMostMove = backwardMostMove = 0;
15482 SendBoard(&first, forwardMostMove);
15483 if (appData.debugMode) {
15484 fprintf(debugFP, "EditPosDone\n");
15487 DisplayMessage("", "");
15488 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15489 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15490 gameMode = EditGame;
15492 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15493 ClearHighlights(); /* [AS] */
15496 /* Pause for `ms' milliseconds */
15497 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15499 TimeDelay (long ms)
15506 } while (SubtractTimeMarks(&m2, &m1) < ms);
15509 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15511 SendMultiLineToICS (char *buf)
15513 char temp[MSG_SIZ+1], *p;
15520 strncpy(temp, buf, len);
15525 if (*p == '\n' || *p == '\r')
15530 strcat(temp, "\n");
15532 SendToPlayer(temp, strlen(temp));
15536 SetWhiteToPlayEvent ()
15538 if (gameMode == EditPosition) {
15539 blackPlaysFirst = FALSE;
15540 DisplayBothClocks(); /* works because currentMove is 0 */
15541 } else if (gameMode == IcsExamining) {
15542 SendToICS(ics_prefix);
15543 SendToICS("tomove white\n");
15548 SetBlackToPlayEvent ()
15550 if (gameMode == EditPosition) {
15551 blackPlaysFirst = TRUE;
15552 currentMove = 1; /* kludge */
15553 DisplayBothClocks();
15555 } else if (gameMode == IcsExamining) {
15556 SendToICS(ics_prefix);
15557 SendToICS("tomove black\n");
15562 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15565 ChessSquare piece = boards[0][y][x];
15566 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15567 static int lastVariant;
15568 int baseRank = BOARD_HEIGHT-1, hasRights = 0;
15570 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15572 switch (selection) {
15574 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15575 MarkTargetSquares(1);
15576 CopyBoard(currentBoard, boards[0]);
15577 CopyBoard(menuBoard, initialPosition);
15578 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15579 SendToICS(ics_prefix);
15580 SendToICS("bsetup clear\n");
15581 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15582 SendToICS(ics_prefix);
15583 SendToICS("clearboard\n");
15586 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15587 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15588 for (y = 0; y < BOARD_HEIGHT; y++) {
15589 if (gameMode == IcsExamining) {
15590 if (boards[currentMove][y][x] != EmptySquare) {
15591 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15595 } else if(boards[0][y][x] != DarkSquare) {
15596 if(boards[0][y][x] != p) nonEmpty++;
15597 boards[0][y][x] = p;
15601 CopyBoard(rightsBoard, nullBoard);
15602 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15604 for(r = 0; r < BOARD_HEIGHT; r++) {
15605 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15606 ChessSquare p = menuBoard[r][x];
15607 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15610 menuBoard[CASTLING][0] = menuBoard[CASTLING][3] = NoRights; // h-side Rook was deleted
15611 DisplayMessage("Clicking clock again restores position", "");
15612 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15613 if(!nonEmpty) { // asked to clear an empty board
15614 CopyBoard(boards[0], menuBoard);
15616 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15617 CopyBoard(boards[0], initialPosition);
15619 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15620 && !CompareBoards(nullBoard, erasedBoard)) {
15621 CopyBoard(boards[0], erasedBoard);
15623 CopyBoard(erasedBoard, currentBoard);
15625 for(i=0; i<nrCastlingRights; i++) if(boards[0][CASTLING][i] != NoRights)
15626 rightsBoard[castlingRank[i]][boards[0][CASTLING][i]] = 1; // copy remaining rights
15629 if (gameMode == EditPosition) {
15630 DrawPosition(FALSE, boards[0]);
15635 SetWhiteToPlayEvent();
15639 SetBlackToPlayEvent();
15643 if (gameMode == IcsExamining) {
15644 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15645 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15648 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15649 if(x == BOARD_LEFT-2) {
15650 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15651 boards[0][y][1] = 0;
15653 if(x == BOARD_RGHT+1) {
15654 if(y >= gameInfo.holdingsSize) break;
15655 boards[0][y][BOARD_WIDTH-2] = 0;
15658 boards[0][y][x] = EmptySquare;
15659 DrawPosition(FALSE, boards[0]);
15664 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15665 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15666 selection = (ChessSquare) (PROMOTED(piece));
15667 } else if(piece == EmptySquare) selection = WhiteSilver;
15668 else selection = (ChessSquare)((int)piece - 1);
15672 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15673 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15674 selection = (ChessSquare) (DEMOTED(piece));
15675 } else if(piece == EmptySquare) selection = BlackSilver;
15676 else selection = (ChessSquare)((int)piece + 1);
15681 if(gameInfo.variant == VariantShatranj ||
15682 gameInfo.variant == VariantXiangqi ||
15683 gameInfo.variant == VariantCourier ||
15684 gameInfo.variant == VariantASEAN ||
15685 gameInfo.variant == VariantMakruk )
15686 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15692 if(y == baseRank && (x == BOARD_LEFT || x == BOARD_RGHT-1 || appData.fischerCastling)) hasRights = 1;
15693 if(y == baseRank && (x == BOARD_WIDTH>>1 || appData.fischerCastling)) hasRights = 1;
15699 if(gameInfo.variant == VariantXiangqi)
15700 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15701 if(gameInfo.variant == VariantKnightmate)
15702 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15703 if(y == baseRank && (x == BOARD_WIDTH>>1 || appData.fischerCastling)) hasRights = 1;
15706 if (gameMode == IcsExamining) {
15707 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15708 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15709 PieceToChar(selection), AAA + x, ONE + y);
15712 rightsBoard[y][x] = hasRights;
15713 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15715 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15716 n = PieceToNumber(selection - BlackPawn);
15717 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15718 boards[0][handSize-1-n][0] = selection;
15719 boards[0][handSize-1-n][1]++;
15721 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15722 n = PieceToNumber(selection);
15723 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15724 boards[0][n][BOARD_WIDTH-1] = selection;
15725 boards[0][n][BOARD_WIDTH-2]++;
15728 boards[0][y][x] = selection;
15729 DrawPosition(TRUE, boards[0]);
15731 fromX = fromY = -1;
15739 DropMenuEvent (ChessSquare selection, int x, int y)
15741 ChessMove moveType;
15743 switch (gameMode) {
15744 case IcsPlayingWhite:
15745 case MachinePlaysBlack:
15746 if (!WhiteOnMove(currentMove)) {
15747 DisplayMoveError(_("It is Black's turn"));
15750 moveType = WhiteDrop;
15752 case IcsPlayingBlack:
15753 case MachinePlaysWhite:
15754 if (WhiteOnMove(currentMove)) {
15755 DisplayMoveError(_("It is White's turn"));
15758 moveType = BlackDrop;
15761 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15767 if (moveType == BlackDrop && selection < BlackPawn) {
15768 selection = (ChessSquare) ((int) selection
15769 + (int) BlackPawn - (int) WhitePawn);
15771 if (boards[currentMove][y][x] != EmptySquare) {
15772 DisplayMoveError(_("That square is occupied"));
15776 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15782 /* Accept a pending offer of any kind from opponent */
15784 if (appData.icsActive) {
15785 SendToICS(ics_prefix);
15786 SendToICS("accept\n");
15787 } else if (cmailMsgLoaded) {
15788 if (currentMove == cmailOldMove &&
15789 commentList[cmailOldMove] != NULL &&
15790 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15791 "Black offers a draw" : "White offers a draw")) {
15793 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15794 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15796 DisplayError(_("There is no pending offer on this move"), 0);
15797 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15800 /* Not used for offers from chess program */
15807 /* Decline a pending offer of any kind from opponent */
15809 if (appData.icsActive) {
15810 SendToICS(ics_prefix);
15811 SendToICS("decline\n");
15812 } else if (cmailMsgLoaded) {
15813 if (currentMove == cmailOldMove &&
15814 commentList[cmailOldMove] != NULL &&
15815 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15816 "Black offers a draw" : "White offers a draw")) {
15818 AppendComment(cmailOldMove, "Draw declined", TRUE);
15819 DisplayComment(cmailOldMove - 1, "Draw declined");
15822 DisplayError(_("There is no pending offer on this move"), 0);
15825 /* Not used for offers from chess program */
15832 /* Issue ICS rematch command */
15833 if (appData.icsActive) {
15834 SendToICS(ics_prefix);
15835 SendToICS("rematch\n");
15842 /* Call your opponent's flag (claim a win on time) */
15843 if (appData.icsActive) {
15844 SendToICS(ics_prefix);
15845 SendToICS("flag\n");
15847 switch (gameMode) {
15850 case MachinePlaysWhite:
15853 GameEnds(GameIsDrawn, "Both players ran out of time",
15856 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15858 DisplayError(_("Your opponent is not out of time"), 0);
15861 case MachinePlaysBlack:
15864 GameEnds(GameIsDrawn, "Both players ran out of time",
15867 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15869 DisplayError(_("Your opponent is not out of time"), 0);
15877 ClockClick (int which)
15878 { // [HGM] code moved to back-end from winboard.c
15879 if(which) { // black clock
15880 if (gameMode == EditPosition || gameMode == IcsExamining) {
15881 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15882 SetBlackToPlayEvent();
15883 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15884 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15885 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15886 } else if (shiftKey) {
15887 AdjustClock(which, -1);
15888 } else if (gameMode == IcsPlayingWhite ||
15889 gameMode == MachinePlaysBlack) {
15892 } else { // white clock
15893 if (gameMode == EditPosition || gameMode == IcsExamining) {
15894 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15895 SetWhiteToPlayEvent();
15896 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15897 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15898 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15899 } else if (shiftKey) {
15900 AdjustClock(which, -1);
15901 } else if (gameMode == IcsPlayingBlack ||
15902 gameMode == MachinePlaysWhite) {
15911 /* Offer draw or accept pending draw offer from opponent */
15913 if (appData.icsActive) {
15914 /* Note: tournament rules require draw offers to be
15915 made after you make your move but before you punch
15916 your clock. Currently ICS doesn't let you do that;
15917 instead, you immediately punch your clock after making
15918 a move, but you can offer a draw at any time. */
15920 SendToICS(ics_prefix);
15921 SendToICS("draw\n");
15922 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15923 } else if (cmailMsgLoaded) {
15924 if (currentMove == cmailOldMove &&
15925 commentList[cmailOldMove] != NULL &&
15926 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15927 "Black offers a draw" : "White offers a draw")) {
15928 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15929 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15930 } else if (currentMove == cmailOldMove + 1) {
15931 char *offer = WhiteOnMove(cmailOldMove) ?
15932 "White offers a draw" : "Black offers a draw";
15933 AppendComment(currentMove, offer, TRUE);
15934 DisplayComment(currentMove - 1, offer);
15935 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15937 DisplayError(_("You must make your move before offering a draw"), 0);
15938 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15940 } else if (first.offeredDraw) {
15941 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15943 if (first.sendDrawOffers) {
15944 SendToProgram("draw\n", &first);
15945 userOfferedDraw = TRUE;
15953 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15955 if (appData.icsActive) {
15956 SendToICS(ics_prefix);
15957 SendToICS("adjourn\n");
15959 /* Currently GNU Chess doesn't offer or accept Adjourns */
15967 /* Offer Abort or accept pending Abort offer from opponent */
15969 if (appData.icsActive) {
15970 SendToICS(ics_prefix);
15971 SendToICS("abort\n");
15973 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15980 /* Resign. You can do this even if it's not your turn. */
15982 if (appData.icsActive) {
15983 SendToICS(ics_prefix);
15984 SendToICS("resign\n");
15986 switch (gameMode) {
15987 case MachinePlaysWhite:
15988 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15990 case MachinePlaysBlack:
15991 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15994 if (cmailMsgLoaded) {
15996 if (WhiteOnMove(cmailOldMove)) {
15997 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15999 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
16001 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
16012 StopObservingEvent ()
16014 /* Stop observing current games */
16015 SendToICS(ics_prefix);
16016 SendToICS("unobserve\n");
16020 StopExaminingEvent ()
16022 /* Stop observing current game */
16023 SendToICS(ics_prefix);
16024 SendToICS("unexamine\n");
16028 ForwardInner (int target)
16030 int limit; int oldSeekGraphUp = seekGraphUp;
16032 if (appData.debugMode)
16033 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
16034 target, currentMove, forwardMostMove);
16036 if (gameMode == EditPosition)
16039 seekGraphUp = FALSE;
16040 MarkTargetSquares(1);
16041 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
16043 if (gameMode == PlayFromGameFile && !pausing)
16046 if (gameMode == IcsExamining && pausing)
16047 limit = pauseExamForwardMostMove;
16049 limit = forwardMostMove;
16051 if (target > limit) target = limit;
16053 if (target > 0 && moveList[target - 1][0]) {
16054 int fromX, fromY, toX, toY;
16055 toX = moveList[target - 1][2] - AAA;
16056 toY = moveList[target - 1][3] - ONE;
16057 if (moveList[target - 1][1] == '@') {
16058 if (appData.highlightLastMove) {
16059 SetHighlights(-1, -1, toX, toY);
16062 fromX = moveList[target - 1][0] - AAA;
16063 fromY = moveList[target - 1][1] - ONE;
16064 if (target == currentMove + 1) {
16065 if(moveList[target - 1][4] == ';') { // multi-leg
16066 killX = moveList[target - 1][5] - AAA;
16067 killY = moveList[target - 1][6] - ONE;
16069 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
16070 killX = killY = -1;
16072 if (appData.highlightLastMove) {
16073 SetHighlights(fromX, fromY, toX, toY);
16077 if (gameMode == EditGame || gameMode == AnalyzeMode ||
16078 gameMode == Training || gameMode == PlayFromGameFile ||
16079 gameMode == AnalyzeFile) {
16080 while (currentMove < target) {
16081 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16082 SendMoveToProgram(currentMove++, &first);
16085 currentMove = target;
16088 if (gameMode == EditGame || gameMode == EndOfGame) {
16089 whiteTimeRemaining = timeRemaining[0][currentMove];
16090 blackTimeRemaining = timeRemaining[1][currentMove];
16092 DisplayBothClocks();
16093 DisplayMove(currentMove - 1);
16094 DrawPosition(oldSeekGraphUp, boards[currentMove]);
16095 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16096 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
16097 DisplayComment(currentMove - 1, commentList[currentMove]);
16099 ClearMap(); // [HGM] exclude: invalidate map
16106 if (gameMode == IcsExamining && !pausing) {
16107 SendToICS(ics_prefix);
16108 SendToICS("forward\n");
16110 ForwardInner(currentMove + 1);
16117 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16118 /* to optimze, we temporarily turn off analysis mode while we feed
16119 * the remaining moves to the engine. Otherwise we get analysis output
16122 if (first.analysisSupport) {
16123 SendToProgram("exit\nforce\n", &first);
16124 first.analyzing = FALSE;
16128 if (gameMode == IcsExamining && !pausing) {
16129 SendToICS(ics_prefix);
16130 SendToICS("forward 999999\n");
16132 ForwardInner(forwardMostMove);
16135 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16136 /* we have fed all the moves, so reactivate analysis mode */
16137 SendToProgram("analyze\n", &first);
16138 first.analyzing = TRUE;
16139 /*first.maybeThinking = TRUE;*/
16140 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16145 BackwardInner (int target)
16147 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
16149 if (appData.debugMode)
16150 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
16151 target, currentMove, forwardMostMove);
16153 if (gameMode == EditPosition) return;
16154 seekGraphUp = FALSE;
16155 MarkTargetSquares(1);
16156 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
16157 if (currentMove <= backwardMostMove) {
16159 DrawPosition(full_redraw, boards[currentMove]);
16162 if (gameMode == PlayFromGameFile && !pausing)
16165 if (moveList[target][0]) {
16166 int fromX, fromY, toX, toY;
16167 toX = moveList[target][2] - AAA;
16168 toY = moveList[target][3] - ONE;
16169 if (moveList[target][1] == '@') {
16170 if (appData.highlightLastMove) {
16171 SetHighlights(-1, -1, toX, toY);
16174 fromX = moveList[target][0] - AAA;
16175 fromY = moveList[target][1] - ONE;
16176 if (target == currentMove - 1) {
16177 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
16179 if (appData.highlightLastMove) {
16180 SetHighlights(fromX, fromY, toX, toY);
16184 if (gameMode == EditGame || gameMode==AnalyzeMode ||
16185 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
16186 while (currentMove > target) {
16187 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
16188 // null move cannot be undone. Reload program with move history before it.
16190 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
16191 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
16193 SendBoard(&first, i);
16194 if(second.analyzing) SendBoard(&second, i);
16195 for(currentMove=i; currentMove<target; currentMove++) {
16196 SendMoveToProgram(currentMove, &first);
16197 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16201 SendToBoth("undo\n");
16205 currentMove = target;
16208 if (gameMode == EditGame || gameMode == EndOfGame) {
16209 whiteTimeRemaining = timeRemaining[0][currentMove];
16210 blackTimeRemaining = timeRemaining[1][currentMove];
16212 DisplayBothClocks();
16213 DisplayMove(currentMove - 1);
16214 DrawPosition(full_redraw, boards[currentMove]);
16215 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16216 // [HGM] PV info: routine tests if comment empty
16217 DisplayComment(currentMove - 1, commentList[currentMove]);
16218 ClearMap(); // [HGM] exclude: invalidate map
16224 if (gameMode == IcsExamining && !pausing) {
16225 SendToICS(ics_prefix);
16226 SendToICS("backward\n");
16228 BackwardInner(currentMove - 1);
16235 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16236 /* to optimize, we temporarily turn off analysis mode while we undo
16237 * all the moves. Otherwise we get analysis output after each undo.
16239 if (first.analysisSupport) {
16240 SendToProgram("exit\nforce\n", &first);
16241 first.analyzing = FALSE;
16245 if (gameMode == IcsExamining && !pausing) {
16246 SendToICS(ics_prefix);
16247 SendToICS("backward 999999\n");
16249 BackwardInner(backwardMostMove);
16252 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16253 /* we have fed all the moves, so reactivate analysis mode */
16254 SendToProgram("analyze\n", &first);
16255 first.analyzing = TRUE;
16256 /*first.maybeThinking = TRUE;*/
16257 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16264 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
16265 if (to >= forwardMostMove) to = forwardMostMove;
16266 if (to <= backwardMostMove) to = backwardMostMove;
16267 if (to < currentMove) {
16275 RevertEvent (Boolean annotate)
16277 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
16280 if (gameMode != IcsExamining) {
16281 DisplayError(_("You are not examining a game"), 0);
16285 DisplayError(_("You can't revert while pausing"), 0);
16288 SendToICS(ics_prefix);
16289 SendToICS("revert\n");
16293 RetractMoveEvent ()
16295 switch (gameMode) {
16296 case MachinePlaysWhite:
16297 case MachinePlaysBlack:
16298 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
16299 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
16302 if (forwardMostMove < 2) return;
16303 currentMove = forwardMostMove = forwardMostMove - 2;
16304 whiteTimeRemaining = timeRemaining[0][currentMove];
16305 blackTimeRemaining = timeRemaining[1][currentMove];
16306 DisplayBothClocks();
16307 DisplayMove(currentMove - 1);
16308 ClearHighlights();/*!! could figure this out*/
16309 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
16310 SendToProgram("remove\n", &first);
16311 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
16314 case BeginningOfGame:
16318 case IcsPlayingWhite:
16319 case IcsPlayingBlack:
16320 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
16321 SendToICS(ics_prefix);
16322 SendToICS("takeback 2\n");
16324 SendToICS(ics_prefix);
16325 SendToICS("takeback 1\n");
16334 ChessProgramState *cps;
16336 switch (gameMode) {
16337 case MachinePlaysWhite:
16338 if (!WhiteOnMove(forwardMostMove)) {
16339 DisplayError(_("It is your turn"), 0);
16344 case MachinePlaysBlack:
16345 if (WhiteOnMove(forwardMostMove)) {
16346 DisplayError(_("It is your turn"), 0);
16351 case TwoMachinesPlay:
16352 if (WhiteOnMove(forwardMostMove) ==
16353 (first.twoMachinesColor[0] == 'w')) {
16359 case BeginningOfGame:
16363 SendToProgram("?\n", cps);
16367 TruncateGameEvent ()
16370 if (gameMode != EditGame) return;
16377 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16378 if (forwardMostMove > currentMove) {
16379 if (gameInfo.resultDetails != NULL) {
16380 free(gameInfo.resultDetails);
16381 gameInfo.resultDetails = NULL;
16382 gameInfo.result = GameUnfinished;
16384 forwardMostMove = currentMove;
16385 HistorySet(parseList, backwardMostMove, forwardMostMove,
16393 if (appData.noChessProgram) return;
16394 switch (gameMode) {
16395 case MachinePlaysWhite:
16396 if (WhiteOnMove(forwardMostMove)) {
16397 DisplayError(_("Wait until your turn."), 0);
16401 case BeginningOfGame:
16402 case MachinePlaysBlack:
16403 if (!WhiteOnMove(forwardMostMove)) {
16404 DisplayError(_("Wait until your turn."), 0);
16409 DisplayError(_("No hint available"), 0);
16412 SendToProgram("hint\n", &first);
16413 hintRequested = TRUE;
16417 SaveSelected (FILE *g, int dummy, char *dummy2)
16419 ListGame * lg = (ListGame *) gameList.head;
16423 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16424 DisplayError(_("Game list not loaded or empty"), 0);
16428 creatingBook = TRUE; // suppresses stuff during load game
16430 /* Get list size */
16431 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16432 if(lg->position >= 0) { // selected?
16433 LoadGame(f, nItem, "", TRUE);
16434 SaveGamePGN2(g); // leaves g open
16437 lg = (ListGame *) lg->node.succ;
16441 creatingBook = FALSE;
16449 ListGame * lg = (ListGame *) gameList.head;
16452 static int secondTime = FALSE;
16454 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16455 DisplayError(_("Game list not loaded or empty"), 0);
16459 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16462 DisplayNote(_("Book file exists! Try again for overwrite."));
16466 creatingBook = TRUE;
16467 secondTime = FALSE;
16469 /* Get list size */
16470 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16471 if(lg->position >= 0) {
16472 LoadGame(f, nItem, "", TRUE);
16473 AddGameToBook(TRUE);
16476 lg = (ListGame *) lg->node.succ;
16479 creatingBook = FALSE;
16486 if (appData.noChessProgram) return;
16487 switch (gameMode) {
16488 case MachinePlaysWhite:
16489 if (WhiteOnMove(forwardMostMove)) {
16490 DisplayError(_("Wait until your turn."), 0);
16494 case BeginningOfGame:
16495 case MachinePlaysBlack:
16496 if (!WhiteOnMove(forwardMostMove)) {
16497 DisplayError(_("Wait until your turn."), 0);
16502 EditPositionDone(TRUE);
16504 case TwoMachinesPlay:
16509 SendToProgram("bk\n", &first);
16510 bookOutput[0] = NULLCHAR;
16511 bookRequested = TRUE;
16517 char *tags = PGNTags(&gameInfo);
16518 TagsPopUp(tags, CmailMsg());
16522 /* end button procedures */
16525 PrintPosition (FILE *fp, int move)
16529 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16530 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16531 char c = PieceToChar(boards[move][i][j]);
16532 fputc(c == '?' ? '.' : c, fp);
16533 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16536 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16537 fprintf(fp, "white to play\n");
16539 fprintf(fp, "black to play\n");
16543 PrintOpponents (FILE *fp)
16545 if (gameInfo.white != NULL) {
16546 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16552 /* Find last component of program's own name, using some heuristics */
16554 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16557 int local = (strcmp(host, "localhost") == 0);
16558 while (!local && (p = strchr(prog, ';')) != NULL) {
16560 while (*p == ' ') p++;
16563 if (*prog == '"' || *prog == '\'') {
16564 q = strchr(prog + 1, *prog);
16566 q = strchr(prog, ' ');
16568 if (q == NULL) q = prog + strlen(prog);
16570 while (p >= prog && *p != '/' && *p != '\\') p--;
16572 if(p == prog && *p == '"') p++;
16574 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16575 memcpy(buf, p, q - p);
16576 buf[q - p] = NULLCHAR;
16584 TimeControlTagValue ()
16587 if (!appData.clockMode) {
16588 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16589 } else if (movesPerSession > 0) {
16590 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16591 } else if (timeIncrement == 0) {
16592 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16594 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16596 return StrSave(buf);
16602 /* This routine is used only for certain modes */
16603 VariantClass v = gameInfo.variant;
16604 ChessMove r = GameUnfinished;
16607 if(keepInfo) return;
16609 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16610 r = gameInfo.result;
16611 p = gameInfo.resultDetails;
16612 gameInfo.resultDetails = NULL;
16614 ClearGameInfo(&gameInfo);
16615 gameInfo.variant = v;
16617 switch (gameMode) {
16618 case MachinePlaysWhite:
16619 gameInfo.event = StrSave( appData.pgnEventHeader );
16620 gameInfo.site = StrSave(HostName());
16621 gameInfo.date = PGNDate();
16622 gameInfo.round = StrSave("-");
16623 gameInfo.white = StrSave(first.tidy);
16624 gameInfo.black = StrSave(UserName());
16625 gameInfo.timeControl = TimeControlTagValue();
16628 case MachinePlaysBlack:
16629 gameInfo.event = StrSave( appData.pgnEventHeader );
16630 gameInfo.site = StrSave(HostName());
16631 gameInfo.date = PGNDate();
16632 gameInfo.round = StrSave("-");
16633 gameInfo.white = StrSave(UserName());
16634 gameInfo.black = StrSave(first.tidy);
16635 gameInfo.timeControl = TimeControlTagValue();
16638 case TwoMachinesPlay:
16639 gameInfo.event = StrSave( appData.pgnEventHeader );
16640 gameInfo.site = StrSave(HostName());
16641 gameInfo.date = PGNDate();
16644 snprintf(buf, MSG_SIZ, "%d", roundNr);
16645 gameInfo.round = StrSave(buf);
16647 gameInfo.round = StrSave("-");
16649 if (first.twoMachinesColor[0] == 'w') {
16650 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16651 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16653 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16654 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16656 gameInfo.timeControl = TimeControlTagValue();
16660 gameInfo.event = StrSave("Edited game");
16661 gameInfo.site = StrSave(HostName());
16662 gameInfo.date = PGNDate();
16663 gameInfo.round = StrSave("-");
16664 gameInfo.white = StrSave("-");
16665 gameInfo.black = StrSave("-");
16666 gameInfo.result = r;
16667 gameInfo.resultDetails = p;
16671 gameInfo.event = StrSave("Edited position");
16672 gameInfo.site = StrSave(HostName());
16673 gameInfo.date = PGNDate();
16674 gameInfo.round = StrSave("-");
16675 gameInfo.white = StrSave("-");
16676 gameInfo.black = StrSave("-");
16679 case IcsPlayingWhite:
16680 case IcsPlayingBlack:
16685 case PlayFromGameFile:
16686 gameInfo.event = StrSave("Game from non-PGN file");
16687 gameInfo.site = StrSave(HostName());
16688 gameInfo.date = PGNDate();
16689 gameInfo.round = StrSave("-");
16690 gameInfo.white = StrSave("?");
16691 gameInfo.black = StrSave("?");
16700 ReplaceComment (int index, char *text)
16706 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16707 pvInfoList[index-1].depth == len &&
16708 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16709 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16710 while (*text == '\n') text++;
16711 len = strlen(text);
16712 while (len > 0 && text[len - 1] == '\n') len--;
16714 if (commentList[index] != NULL)
16715 free(commentList[index]);
16718 commentList[index] = NULL;
16721 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16722 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16723 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16724 commentList[index] = (char *) malloc(len + 2);
16725 strncpy(commentList[index], text, len);
16726 commentList[index][len] = '\n';
16727 commentList[index][len + 1] = NULLCHAR;
16729 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16731 commentList[index] = (char *) malloc(len + 7);
16732 safeStrCpy(commentList[index], "{\n", 3);
16733 safeStrCpy(commentList[index]+2, text, len+1);
16734 commentList[index][len+2] = NULLCHAR;
16735 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16736 strcat(commentList[index], "\n}\n");
16741 CrushCRs (char *text)
16749 if (ch == '\r') continue;
16751 } while (ch != '\0');
16755 AppendComment (int index, char *text, Boolean addBraces)
16756 /* addBraces tells if we should add {} */
16761 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16762 if(addBraces == 3) addBraces = 0; else // force appending literally
16763 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16766 while (*text == '\n') text++;
16767 len = strlen(text);
16768 while (len > 0 && text[len - 1] == '\n') len--;
16769 text[len] = NULLCHAR;
16771 if (len == 0) return;
16773 if (commentList[index] != NULL) {
16774 Boolean addClosingBrace = addBraces;
16775 old = commentList[index];
16776 oldlen = strlen(old);
16777 while(commentList[index][oldlen-1] == '\n')
16778 commentList[index][--oldlen] = NULLCHAR;
16779 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16780 safeStrCpy(commentList[index], old, oldlen + len + 6);
16782 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16783 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16784 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16785 while (*text == '\n') { text++; len--; }
16786 commentList[index][--oldlen] = NULLCHAR;
16788 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16789 else strcat(commentList[index], "\n");
16790 strcat(commentList[index], text);
16791 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16792 else strcat(commentList[index], "\n");
16794 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16796 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16797 else commentList[index][0] = NULLCHAR;
16798 strcat(commentList[index], text);
16799 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16800 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16805 FindStr (char * text, char * sub_text)
16807 char * result = strstr( text, sub_text );
16809 if( result != NULL ) {
16810 result += strlen( sub_text );
16816 /* [AS] Try to extract PV info from PGN comment */
16817 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16819 GetInfoFromComment (int index, char * text)
16821 char * sep = text, *p;
16823 if( text != NULL && index > 0 ) {
16826 int time = -1, sec = 0, deci;
16827 char * s_eval = FindStr( text, "[%eval " );
16828 char * s_emt = FindStr( text, "[%emt " );
16830 if( s_eval != NULL || s_emt != NULL ) {
16832 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16837 if( s_eval != NULL ) {
16838 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16842 if( delim != ']' ) {
16847 if( s_emt != NULL ) {
16852 /* We expect something like: [+|-]nnn.nn/dd */
16855 if(*text != '{') return text; // [HGM] braces: must be normal comment
16857 sep = strchr( text, '/' );
16858 if( sep == NULL || sep < (text+4) ) {
16863 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16864 if(p[1] == '(') { // comment starts with PV
16865 p = strchr(p, ')'); // locate end of PV
16866 if(p == NULL || sep < p+5) return text;
16867 // at this point we have something like "{(.*) +0.23/6 ..."
16868 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16869 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16870 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16872 time = -1; sec = -1; deci = -1;
16873 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16874 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16875 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16876 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16880 if( score_lo < 0 || score_lo >= 100 ) {
16884 if(sec >= 0) time = 600*time + 10*sec; else
16885 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16887 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16889 /* [HGM] PV time: now locate end of PV info */
16890 while( *++sep >= '0' && *sep <= '9'); // strip depth
16892 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16894 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16896 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16897 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16908 pvInfoList[index-1].depth = depth;
16909 pvInfoList[index-1].score = score;
16910 pvInfoList[index-1].time = 10*time; // centi-sec
16911 if(*sep == '}') *sep = 0; else *--sep = '{';
16913 while(*p++ = *sep++)
16916 } // squeeze out space between PV and comment, and return both
16922 SendToProgram (char *message, ChessProgramState *cps)
16924 int count, outCount, error;
16927 if (cps->pr == NoProc) return;
16930 if (appData.debugMode) {
16933 fprintf(debugFP, "%ld >%-6s: %s",
16934 SubtractTimeMarks(&now, &programStartTime),
16935 cps->which, message);
16937 fprintf(serverFP, "%ld >%-6s: %s",
16938 SubtractTimeMarks(&now, &programStartTime),
16939 cps->which, message), fflush(serverFP);
16942 count = strlen(message);
16943 outCount = OutputToProcess(cps->pr, message, count, &error);
16944 if (outCount < count && !exiting
16945 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16946 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16947 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16948 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16949 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16950 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16951 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16952 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16954 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16955 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16956 gameInfo.result = res;
16958 gameInfo.resultDetails = StrSave(buf);
16960 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16961 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16966 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16970 ChessProgramState *cps = (ChessProgramState *)closure;
16972 if (isr != cps->isr) return; /* Killed intentionally */
16975 RemoveInputSource(cps->isr);
16976 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16977 _(cps->which), cps->program);
16978 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16979 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16980 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16981 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16982 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16983 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16985 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16986 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16987 gameInfo.result = res;
16989 gameInfo.resultDetails = StrSave(buf);
16991 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16992 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16994 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16995 _(cps->which), cps->program);
16996 RemoveInputSource(cps->isr);
16998 /* [AS] Program is misbehaving badly... kill it */
16999 if( count == -2 ) {
17000 DestroyChildProcess( cps->pr, 9 );
17004 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
17009 if ((end_str = strchr(message, '\r')) != NULL)
17010 *end_str = NULLCHAR;
17011 if ((end_str = strchr(message, '\n')) != NULL)
17012 *end_str = NULLCHAR;
17014 if (appData.debugMode) {
17015 TimeMark now; int print = 1;
17016 char *quote = ""; char c; int i;
17018 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
17019 char start = message[0];
17020 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
17021 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
17022 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
17023 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
17024 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
17025 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
17026 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
17027 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
17028 sscanf(message, "hint: %c", &c)!=1 &&
17029 sscanf(message, "pong %c", &c)!=1 && start != '#') {
17030 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
17031 print = (appData.engineComments >= 2);
17033 message[0] = start; // restore original message
17037 fprintf(debugFP, "%ld <%-6s: %s%s\n",
17038 SubtractTimeMarks(&now, &programStartTime), cps->which,
17042 fprintf(serverFP, "%ld <%-6s: %s%s\n",
17043 SubtractTimeMarks(&now, &programStartTime), cps->which,
17045 message), fflush(serverFP);
17049 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
17050 if (appData.icsEngineAnalyze) {
17051 if (strstr(message, "whisper") != NULL ||
17052 strstr(message, "kibitz") != NULL ||
17053 strstr(message, "tellics") != NULL) return;
17056 HandleMachineMove(message, cps);
17061 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
17066 if( timeControl_2 > 0 ) {
17067 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
17068 tc = timeControl_2;
17071 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
17072 inc /= cps->timeOdds;
17073 st /= cps->timeOdds;
17075 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
17078 /* Set exact time per move, normally using st command */
17079 if (cps->stKludge) {
17080 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
17082 if (seconds == 0) {
17083 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
17085 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
17088 snprintf(buf, MSG_SIZ, "st %d\n", st);
17091 /* Set conventional or incremental time control, using level command */
17092 if (seconds == 0) {
17093 /* Note old gnuchess bug -- minutes:seconds used to not work.
17094 Fixed in later versions, but still avoid :seconds
17095 when seconds is 0. */
17096 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
17098 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
17099 seconds, inc/1000.);
17102 SendToProgram(buf, cps);
17104 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
17105 /* Orthogonally, limit search to given depth */
17107 if (cps->sdKludge) {
17108 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
17110 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
17112 SendToProgram(buf, cps);
17115 if(cps->nps >= 0) { /* [HGM] nps */
17116 if(cps->supportsNPS == FALSE)
17117 cps->nps = -1; // don't use if engine explicitly says not supported!
17119 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
17120 SendToProgram(buf, cps);
17125 ChessProgramState *
17127 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
17129 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
17130 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
17136 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
17138 char message[MSG_SIZ];
17141 /* Note: this routine must be called when the clocks are stopped
17142 or when they have *just* been set or switched; otherwise
17143 it will be off by the time since the current tick started.
17145 if (machineWhite) {
17146 time = whiteTimeRemaining / 10;
17147 otime = blackTimeRemaining / 10;
17149 time = blackTimeRemaining / 10;
17150 otime = whiteTimeRemaining / 10;
17152 /* [HGM] translate opponent's time by time-odds factor */
17153 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
17155 if (time <= 0) time = 1;
17156 if (otime <= 0) otime = 1;
17158 snprintf(message, MSG_SIZ, "time %ld\n", time);
17159 SendToProgram(message, cps);
17161 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
17162 SendToProgram(message, cps);
17166 EngineDefinedVariant (ChessProgramState *cps, int n)
17167 { // return name of n-th unknown variant that engine supports
17168 static char buf[MSG_SIZ];
17169 char *p, *s = cps->variants;
17170 if(!s) return NULL;
17171 do { // parse string from variants feature
17173 p = strchr(s, ',');
17174 if(p) *p = NULLCHAR;
17175 v = StringToVariant(s);
17176 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
17177 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
17178 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
17179 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
17180 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
17181 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
17182 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
17185 if(n < 0) return buf;
17191 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17194 int len = strlen(name);
17197 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17199 sscanf(*p, "%d", &val);
17201 while (**p && **p != ' ')
17203 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17204 SendToProgram(buf, cps);
17211 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17214 int len = strlen(name);
17215 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17217 sscanf(*p, "%d", loc);
17218 while (**p && **p != ' ') (*p)++;
17219 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17220 SendToProgram(buf, cps);
17227 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
17230 int len = strlen(name);
17231 if (strncmp((*p), name, len) == 0
17232 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
17234 len = strlen(*p) + 1; if(len < MSG_SIZ && !strcmp(name, "option")) len = MSG_SIZ; // make sure string options have enough space to change their value
17235 FREE(*loc); *loc = malloc(len);
17236 strncpy(*loc, *p, len);
17237 sscanf(*p, "%[^\"]", *loc); // should always fit, because we allocated at least strlen(*p)
17238 while (**p && **p != '\"') (*p)++;
17239 if (**p == '\"') (*p)++;
17240 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17241 SendToProgram(buf, cps);
17248 ParseOption (Option *opt, ChessProgramState *cps)
17249 // [HGM] options: process the string that defines an engine option, and determine
17250 // name, type, default value, and allowed value range
17252 char *p, *q, buf[MSG_SIZ];
17253 int n, min = (-1)<<31, max = 1<<31, def;
17255 opt->target = &opt->value; // OK for spin/slider and checkbox
17256 if(p = strstr(opt->name, " -spin ")) {
17257 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17258 if(max < min) max = min; // enforce consistency
17259 if(def < min) def = min;
17260 if(def > max) def = max;
17265 } else if((p = strstr(opt->name, " -slider "))) {
17266 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
17267 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17268 if(max < min) max = min; // enforce consistency
17269 if(def < min) def = min;
17270 if(def > max) def = max;
17274 opt->type = Spin; // Slider;
17275 } else if((p = strstr(opt->name, " -string "))) {
17276 opt->textValue = p+9;
17277 opt->type = TextBox;
17278 opt->target = &opt->textValue;
17279 } else if((p = strstr(opt->name, " -file "))) {
17280 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17281 opt->target = opt->textValue = p+7;
17282 opt->type = FileName; // FileName;
17283 opt->target = &opt->textValue;
17284 } else if((p = strstr(opt->name, " -path "))) {
17285 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17286 opt->target = opt->textValue = p+7;
17287 opt->type = PathName; // PathName;
17288 opt->target = &opt->textValue;
17289 } else if(p = strstr(opt->name, " -check ")) {
17290 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
17291 opt->value = (def != 0);
17292 opt->type = CheckBox;
17293 } else if(p = strstr(opt->name, " -combo ")) {
17294 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
17295 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
17296 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
17297 opt->value = n = 0;
17298 while(q = StrStr(q, " /// ")) {
17299 n++; *q = 0; // count choices, and null-terminate each of them
17301 if(*q == '*') { // remember default, which is marked with * prefix
17305 cps->comboList[cps->comboCnt++] = q;
17307 cps->comboList[cps->comboCnt++] = NULL;
17309 opt->type = ComboBox;
17310 } else if(p = strstr(opt->name, " -button")) {
17311 opt->type = Button;
17312 } else if(p = strstr(opt->name, " -save")) {
17313 opt->type = SaveButton;
17314 } else return FALSE;
17315 *p = 0; // terminate option name
17316 // now look if the command-line options define a setting for this engine option.
17317 if(cps->optionSettings && cps->optionSettings[0])
17318 p = strstr(cps->optionSettings, opt->name); else p = NULL;
17319 if(p && (p == cps->optionSettings || p[-1] == ',')) {
17320 snprintf(buf, MSG_SIZ, "option %s", p);
17321 if(p = strstr(buf, ",")) *p = 0;
17322 if(q = strchr(buf, '=')) switch(opt->type) {
17324 for(n=0; n<opt->max; n++)
17325 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
17328 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
17332 opt->value = atoi(q+1);
17337 SendToProgram(buf, cps);
17339 *(int*) (opt->name + MSG_SIZ - 104) = opt->value; // hide default values somewhere
17340 if(opt->target == &opt->textValue) strncpy(opt->name + MSG_SIZ - 100, opt->textValue, 99);
17345 FeatureDone (ChessProgramState *cps, int val)
17347 DelayedEventCallback cb = GetDelayedEvent();
17348 if ((cb == InitBackEnd3 && cps == &first) ||
17349 (cb == SettingsMenuIfReady && cps == &second) ||
17350 (cb == LoadEngine) ||
17351 (cb == TwoMachinesEventIfReady)) {
17352 CancelDelayedEvent();
17353 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17354 } else if(!val && !cps->reload) ClearOptions(cps); // let 'spurious' done=0 clear engine's option list
17355 cps->initDone = val;
17356 if(val) cps->reload = FALSE, RefreshSettingsDialog(cps, val);
17359 /* Parse feature command from engine */
17361 ParseFeatures (char *args, ChessProgramState *cps)
17369 while (*p == ' ') p++;
17370 if (*p == NULLCHAR) return;
17372 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17373 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17374 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17375 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17376 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17377 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17378 if (BoolFeature(&p, "reuse", &val, cps)) {
17379 /* Engine can disable reuse, but can't enable it if user said no */
17380 if (!val) cps->reuse = FALSE;
17383 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17384 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17385 if (gameMode == TwoMachinesPlay) {
17386 DisplayTwoMachinesTitle();
17392 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17393 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17394 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17395 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17396 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17397 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17398 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17399 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17400 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17401 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17402 if (IntFeature(&p, "done", &val, cps)) {
17403 FeatureDone(cps, val);
17406 /* Added by Tord: */
17407 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17408 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17409 /* End of additions by Tord */
17411 /* [HGM] added features: */
17412 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17413 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17414 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17415 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17416 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17417 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17418 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17419 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17420 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17421 if(cps->nrOptions == 0) { ASSIGN(cps->option[0].name, _("Make Persistent -save")); ParseOption(&(cps->option[cps->nrOptions++]), cps); }
17422 FREE(cps->option[cps->nrOptions].name);
17423 cps->option[cps->nrOptions].name = q; q = NULL;
17424 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17425 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17426 SendToProgram(buf, cps);
17429 if(cps->nrOptions >= MAX_OPTIONS) {
17431 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17432 DisplayError(buf, 0);
17436 /* End of additions by HGM */
17438 /* unknown feature: complain and skip */
17440 while (*q && *q != '=') q++;
17441 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17442 SendToProgram(buf, cps);
17448 while (*p && *p != '\"') p++;
17449 if (*p == '\"') p++;
17451 while (*p && *p != ' ') p++;
17459 PeriodicUpdatesEvent (int newState)
17461 if (newState == appData.periodicUpdates)
17464 appData.periodicUpdates=newState;
17466 /* Display type changes, so update it now */
17467 // DisplayAnalysis();
17469 /* Get the ball rolling again... */
17471 AnalysisPeriodicEvent(1);
17472 StartAnalysisClock();
17477 PonderNextMoveEvent (int newState)
17479 if (newState == appData.ponderNextMove) return;
17480 if (gameMode == EditPosition) EditPositionDone(TRUE);
17482 SendToProgram("hard\n", &first);
17483 if (gameMode == TwoMachinesPlay) {
17484 SendToProgram("hard\n", &second);
17487 SendToProgram("easy\n", &first);
17488 thinkOutput[0] = NULLCHAR;
17489 if (gameMode == TwoMachinesPlay) {
17490 SendToProgram("easy\n", &second);
17493 appData.ponderNextMove = newState;
17497 NewSettingEvent (int option, int *feature, char *command, int value)
17501 if (gameMode == EditPosition) EditPositionDone(TRUE);
17502 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17503 if(feature == NULL || *feature) SendToProgram(buf, &first);
17504 if (gameMode == TwoMachinesPlay) {
17505 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17510 ShowThinkingEvent ()
17511 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17513 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17514 int newState = appData.showThinking
17515 // [HGM] thinking: other features now need thinking output as well
17516 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17518 if (oldState == newState) return;
17519 oldState = newState;
17520 if (gameMode == EditPosition) EditPositionDone(TRUE);
17522 SendToProgram("post\n", &first);
17523 if (gameMode == TwoMachinesPlay) {
17524 SendToProgram("post\n", &second);
17527 SendToProgram("nopost\n", &first);
17528 thinkOutput[0] = NULLCHAR;
17529 if (gameMode == TwoMachinesPlay) {
17530 SendToProgram("nopost\n", &second);
17533 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17537 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17539 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17540 if (pr == NoProc) return;
17541 AskQuestion(title, question, replyPrefix, pr);
17545 TypeInEvent (char firstChar)
17547 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17548 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17549 gameMode == AnalyzeMode || gameMode == EditGame ||
17550 gameMode == EditPosition || gameMode == IcsExamining ||
17551 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17552 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17553 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17554 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17555 gameMode == Training) PopUpMoveDialog(firstChar);
17559 TypeInDoneEvent (char *move)
17562 int n, fromX, fromY, toX, toY;
17564 ChessMove moveType;
17567 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17568 EditPositionPasteFEN(move);
17571 // [HGM] movenum: allow move number to be typed in any mode
17572 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17576 // undocumented kludge: allow command-line option to be typed in!
17577 // (potentially fatal, and does not implement the effect of the option.)
17578 // should only be used for options that are values on which future decisions will be made,
17579 // and definitely not on options that would be used during initialization.
17580 if(strstr(move, "!!! -") == move) {
17581 ParseArgsFromString(move+4);
17585 if (gameMode != EditGame && currentMove != forwardMostMove &&
17586 gameMode != Training) {
17587 DisplayMoveError(_("Displayed move is not current"));
17589 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17590 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17591 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17592 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17593 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17594 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17596 DisplayMoveError(_("Could not parse move"));
17602 DisplayMove (int moveNumber)
17604 char message[MSG_SIZ];
17606 char cpThinkOutput[MSG_SIZ];
17608 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17610 if (moveNumber == forwardMostMove - 1 ||
17611 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17613 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17615 if (strchr(cpThinkOutput, '\n')) {
17616 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17619 *cpThinkOutput = NULLCHAR;
17622 /* [AS] Hide thinking from human user */
17623 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17624 *cpThinkOutput = NULLCHAR;
17625 if( thinkOutput[0] != NULLCHAR ) {
17628 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17629 cpThinkOutput[i] = '.';
17631 cpThinkOutput[i] = NULLCHAR;
17632 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17636 if (moveNumber == forwardMostMove - 1 &&
17637 gameInfo.resultDetails != NULL) {
17638 if (gameInfo.resultDetails[0] == NULLCHAR) {
17639 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17641 snprintf(res, MSG_SIZ, " {%s} %s",
17642 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17648 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17649 DisplayMessage(res, cpThinkOutput);
17651 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17652 WhiteOnMove(moveNumber) ? " " : ".. ",
17653 parseList[moveNumber], res);
17654 DisplayMessage(message, cpThinkOutput);
17659 DisplayComment (int moveNumber, char *text)
17661 char title[MSG_SIZ];
17663 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17664 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17666 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17667 WhiteOnMove(moveNumber) ? " " : ".. ",
17668 parseList[moveNumber]);
17670 if (text != NULL && (appData.autoDisplayComment || commentUp))
17671 CommentPopUp(title, text);
17674 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17675 * might be busy thinking or pondering. It can be omitted if your
17676 * gnuchess is configured to stop thinking immediately on any user
17677 * input. However, that gnuchess feature depends on the FIONREAD
17678 * ioctl, which does not work properly on some flavors of Unix.
17681 Attention (ChessProgramState *cps)
17684 if (!cps->useSigint) return;
17685 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17686 switch (gameMode) {
17687 case MachinePlaysWhite:
17688 case MachinePlaysBlack:
17689 case TwoMachinesPlay:
17690 case IcsPlayingWhite:
17691 case IcsPlayingBlack:
17694 /* Skip if we know it isn't thinking */
17695 if (!cps->maybeThinking) return;
17696 if (appData.debugMode)
17697 fprintf(debugFP, "Interrupting %s\n", cps->which);
17698 InterruptChildProcess(cps->pr);
17699 cps->maybeThinking = FALSE;
17704 #endif /*ATTENTION*/
17710 if (whiteTimeRemaining <= 0) {
17713 if (appData.icsActive) {
17714 if (appData.autoCallFlag &&
17715 gameMode == IcsPlayingBlack && !blackFlag) {
17716 SendToICS(ics_prefix);
17717 SendToICS("flag\n");
17721 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17723 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17724 if (appData.autoCallFlag) {
17725 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17732 if (blackTimeRemaining <= 0) {
17735 if (appData.icsActive) {
17736 if (appData.autoCallFlag &&
17737 gameMode == IcsPlayingWhite && !whiteFlag) {
17738 SendToICS(ics_prefix);
17739 SendToICS("flag\n");
17743 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17745 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17746 if (appData.autoCallFlag) {
17747 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17758 CheckTimeControl ()
17760 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17761 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17764 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17766 if ( !WhiteOnMove(forwardMostMove) ) {
17767 /* White made time control */
17768 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17769 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17770 /* [HGM] time odds: correct new time quota for time odds! */
17771 / WhitePlayer()->timeOdds;
17772 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17774 lastBlack -= blackTimeRemaining;
17775 /* Black made time control */
17776 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17777 / WhitePlayer()->other->timeOdds;
17778 lastWhite = whiteTimeRemaining;
17783 DisplayBothClocks ()
17785 int wom = gameMode == EditPosition ?
17786 !blackPlaysFirst : WhiteOnMove(currentMove);
17787 DisplayWhiteClock(whiteTimeRemaining, wom);
17788 DisplayBlackClock(blackTimeRemaining, !wom);
17792 /* Timekeeping seems to be a portability nightmare. I think everyone
17793 has ftime(), but I'm really not sure, so I'm including some ifdefs
17794 to use other calls if you don't. Clocks will be less accurate if
17795 you have neither ftime nor gettimeofday.
17798 /* VS 2008 requires the #include outside of the function */
17799 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17800 #include <sys/timeb.h>
17803 /* Get the current time as a TimeMark */
17805 GetTimeMark (TimeMark *tm)
17807 #if HAVE_GETTIMEOFDAY
17809 struct timeval timeVal;
17810 struct timezone timeZone;
17812 gettimeofday(&timeVal, &timeZone);
17813 tm->sec = (long) timeVal.tv_sec;
17814 tm->ms = (int) (timeVal.tv_usec / 1000L);
17816 #else /*!HAVE_GETTIMEOFDAY*/
17819 // include <sys/timeb.h> / moved to just above start of function
17820 struct timeb timeB;
17823 tm->sec = (long) timeB.time;
17824 tm->ms = (int) timeB.millitm;
17826 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17827 tm->sec = (long) time(NULL);
17833 /* Return the difference in milliseconds between two
17834 time marks. We assume the difference will fit in a long!
17837 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17839 return 1000L*(tm2->sec - tm1->sec) +
17840 (long) (tm2->ms - tm1->ms);
17845 * Code to manage the game clocks.
17847 * In tournament play, black starts the clock and then white makes a move.
17848 * We give the human user a slight advantage if he is playing white---the
17849 * clocks don't run until he makes his first move, so it takes zero time.
17850 * Also, we don't account for network lag, so we could get out of sync
17851 * with GNU Chess's clock -- but then, referees are always right.
17854 static TimeMark tickStartTM;
17855 static long intendedTickLength;
17858 NextTickLength (long timeRemaining)
17860 long nominalTickLength, nextTickLength;
17862 if (timeRemaining > 0L && timeRemaining <= 10000L)
17863 nominalTickLength = 100L;
17865 nominalTickLength = 1000L;
17866 nextTickLength = timeRemaining % nominalTickLength;
17867 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17869 return nextTickLength;
17872 /* Adjust clock one minute up or down */
17874 AdjustClock (Boolean which, int dir)
17876 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17877 if(which) blackTimeRemaining += 60000*dir;
17878 else whiteTimeRemaining += 60000*dir;
17879 DisplayBothClocks();
17880 adjustedClock = TRUE;
17883 /* Stop clocks and reset to a fresh time control */
17887 (void) StopClockTimer();
17888 if (appData.icsActive) {
17889 whiteTimeRemaining = blackTimeRemaining = 0;
17890 } else if (searchTime) {
17891 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17892 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17893 } else { /* [HGM] correct new time quote for time odds */
17894 whiteTC = blackTC = fullTimeControlString;
17895 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17896 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17898 if (whiteFlag || blackFlag) {
17900 whiteFlag = blackFlag = FALSE;
17902 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17903 DisplayBothClocks();
17904 adjustedClock = FALSE;
17907 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17909 static int timeSuffix; // [HGM] This should realy be a passed parameter, but it has to pass through too many levels for my laziness...
17911 /* Decrement running clock by amount of time that has passed */
17916 long lastTickLength, fudge;
17919 if (!appData.clockMode) return;
17920 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17924 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17926 /* Fudge if we woke up a little too soon */
17927 fudge = intendedTickLength - lastTickLength;
17928 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17930 if (WhiteOnMove(forwardMostMove)) {
17931 if(whiteNPS >= 0) lastTickLength = 0;
17932 tRemaining = whiteTimeRemaining -= lastTickLength;
17933 if( tRemaining < 0 && !appData.icsActive) {
17934 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17935 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17936 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17937 lastWhite= tRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17940 if(forwardMostMove && appData.moveTime) timeSuffix = timeRemaining[0][forwardMostMove-1] - tRemaining;
17941 DisplayWhiteClock(whiteTimeRemaining - fudge,
17942 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17945 if(blackNPS >= 0) lastTickLength = 0;
17946 tRemaining = blackTimeRemaining -= lastTickLength;
17947 if( tRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17948 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17950 blackStartMove = forwardMostMove;
17951 lastBlack = tRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17954 if(forwardMostMove && appData.moveTime) timeSuffix = timeRemaining[1][forwardMostMove-1] - tRemaining;
17955 DisplayBlackClock(blackTimeRemaining - fudge,
17956 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17959 if (CheckFlags()) return;
17961 if(twoBoards) { // count down secondary board's clocks as well
17962 activePartnerTime -= lastTickLength;
17964 if(activePartner == 'W')
17965 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17967 DisplayBlackClock(activePartnerTime, TRUE);
17972 intendedTickLength = NextTickLength( tRemaining - fudge) + fudge;
17973 StartClockTimer(intendedTickLength);
17975 /* if the time remaining has fallen below the alarm threshold, sound the
17976 * alarm. if the alarm has sounded and (due to a takeback or time control
17977 * with increment) the time remaining has increased to a level above the
17978 * threshold, reset the alarm so it can sound again.
17981 if (appData.icsActive && appData.icsAlarm) {
17983 /* make sure we are dealing with the user's clock */
17984 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17985 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17988 if (alarmSounded && ( tRemaining > appData.icsAlarmTime)) {
17989 alarmSounded = FALSE;
17990 } else if (!alarmSounded && ( tRemaining <= appData.icsAlarmTime)) {
17992 alarmSounded = TRUE;
17998 /* A player has just moved, so stop the previously running
17999 clock and (if in clock mode) start the other one.
18000 We redisplay both clocks in case we're in ICS mode, because
18001 ICS gives us an update to both clocks after every move.
18002 Note that this routine is called *after* forwardMostMove
18003 is updated, so the last fractional tick must be subtracted
18004 from the color that is *not* on move now.
18007 SwitchClocks (int newMoveNr)
18009 long lastTickLength;
18011 int flagged = FALSE;
18015 if (StopClockTimer() && appData.clockMode) {
18016 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
18017 if (!WhiteOnMove(forwardMostMove)) {
18018 if(blackNPS >= 0) lastTickLength = 0;
18019 blackTimeRemaining -= lastTickLength;
18020 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
18021 // if(pvInfoList[forwardMostMove].time == -1)
18022 pvInfoList[forwardMostMove].time = // use GUI time
18023 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
18025 if(whiteNPS >= 0) lastTickLength = 0;
18026 whiteTimeRemaining -= lastTickLength;
18027 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
18028 // if(pvInfoList[forwardMostMove].time == -1)
18029 pvInfoList[forwardMostMove].time =
18030 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
18032 flagged = CheckFlags();
18034 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
18035 CheckTimeControl();
18037 if (flagged || !appData.clockMode) return;
18039 switch (gameMode) {
18040 case MachinePlaysBlack:
18041 case MachinePlaysWhite:
18042 case BeginningOfGame:
18043 if (pausing) return;
18047 case PlayFromGameFile:
18055 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
18056 if(WhiteOnMove(forwardMostMove))
18057 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
18058 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
18062 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
18063 whiteTimeRemaining : blackTimeRemaining);
18064 StartClockTimer(intendedTickLength);
18068 /* Stop both clocks */
18072 long lastTickLength;
18075 if (!StopClockTimer()) return;
18076 if (!appData.clockMode) return;
18080 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
18081 if (WhiteOnMove(forwardMostMove)) {
18082 if(whiteNPS >= 0) lastTickLength = 0;
18083 whiteTimeRemaining -= lastTickLength;
18084 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
18086 if(blackNPS >= 0) lastTickLength = 0;
18087 blackTimeRemaining -= lastTickLength;
18088 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
18093 /* Start clock of player on move. Time may have been reset, so
18094 if clock is already running, stop and restart it. */
18098 (void) StopClockTimer(); /* in case it was running already */
18099 DisplayBothClocks();
18100 if (CheckFlags()) return;
18102 if (!appData.clockMode) return;
18103 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
18105 GetTimeMark(&tickStartTM);
18106 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
18107 whiteTimeRemaining : blackTimeRemaining);
18109 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
18110 whiteNPS = blackNPS = -1;
18111 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
18112 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
18113 whiteNPS = first.nps;
18114 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
18115 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
18116 blackNPS = first.nps;
18117 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
18118 whiteNPS = second.nps;
18119 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
18120 blackNPS = second.nps;
18121 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
18123 StartClockTimer(intendedTickLength);
18127 TimeString (long ms)
18129 long second, minute, hour, day;
18131 static char buf[40], moveTime[8];
18133 if (ms > 0 && ms <= 9900) {
18134 /* convert milliseconds to tenths, rounding up */
18135 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
18137 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
18141 /* convert milliseconds to seconds, rounding up */
18142 /* use floating point to avoid strangeness of integer division
18143 with negative dividends on many machines */
18144 second = (long) floor(((double) (ms + 999L)) / 1000.0);
18151 day = second / (60 * 60 * 24);
18152 second = second % (60 * 60 * 24);
18153 hour = second / (60 * 60);
18154 second = second % (60 * 60);
18155 minute = second / 60;
18156 second = second % 60;
18158 if(timeSuffix) snprintf(moveTime, 8, " (%d)", timeSuffix/1000); // [HGM] kludge alert; fraction contains move time
18159 else *moveTime = NULLCHAR;
18162 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld%s ",
18163 sign, day, hour, minute, second, moveTime);
18165 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld%s ", sign, hour, minute, second, moveTime);
18167 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld%s ", sign, minute, second, moveTime);
18174 * This is necessary because some C libraries aren't ANSI C compliant yet.
18177 StrStr (char *string, char *match)
18181 length = strlen(match);
18183 for (i = strlen(string) - length; i >= 0; i--, string++)
18184 if (!strncmp(match, string, length))
18191 StrCaseStr (char *string, char *match)
18195 length = strlen(match);
18197 for (i = strlen(string) - length; i >= 0; i--, string++) {
18198 for (j = 0; j < length; j++) {
18199 if (ToLower(match[j]) != ToLower(string[j]))
18202 if (j == length) return string;
18210 StrCaseCmp (char *s1, char *s2)
18215 c1 = ToLower(*s1++);
18216 c2 = ToLower(*s2++);
18217 if (c1 > c2) return 1;
18218 if (c1 < c2) return -1;
18219 if (c1 == NULLCHAR) return 0;
18227 return isupper(c) ? tolower(c) : c;
18234 return islower(c) ? toupper(c) : c;
18236 #endif /* !_amigados */
18243 if ((ret = (char *) malloc(strlen(s) + 1)))
18245 safeStrCpy(ret, s, strlen(s)+1);
18251 StrSavePtr (char *s, char **savePtr)
18256 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
18257 safeStrCpy(*savePtr, s, strlen(s)+1);
18269 clock = time((time_t *)NULL);
18270 tm = localtime(&clock);
18271 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
18272 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
18273 return StrSave(buf);
18278 PositionToFEN (int move, char *overrideCastling, int moveCounts)
18280 int i, j, fromX, fromY, toX, toY;
18281 int whiteToPlay, haveRights = nrCastlingRights;
18287 whiteToPlay = (gameMode == EditPosition) ?
18288 !blackPlaysFirst : (move % 2 == 0);
18291 /* Piece placement data */
18292 for (i = BOARD_HEIGHT - 1 - deadRanks; i >= 0; i--) {
18293 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
18295 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
18296 if (boards[move][i][j] == EmptySquare) {
18298 } else { ChessSquare piece = boards[move][i][j];
18299 if (emptycount > 0) {
18300 if(emptycount<10) /* [HGM] can be >= 10 */
18301 *p++ = '0' + emptycount;
18302 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18305 if(PieceToChar(piece) == '+') {
18306 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
18308 piece = (ChessSquare)(CHUDEMOTED(piece));
18310 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
18311 if(*p = PieceSuffix(piece)) p++;
18313 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
18314 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED(piece)));
18319 if (emptycount > 0) {
18320 if(emptycount<10) /* [HGM] can be >= 10 */
18321 *p++ = '0' + emptycount;
18322 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18329 /* [HGM] print Crazyhouse or Shogi holdings */
18330 if( gameInfo.holdingsWidth ) {
18331 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
18333 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
18334 piece = boards[move][i][BOARD_WIDTH-1];
18335 if( piece != EmptySquare )
18336 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
18337 *p++ = PieceToChar(piece);
18339 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
18340 piece = boards[move][BOARD_HEIGHT-i-1][0];
18341 if( piece != EmptySquare )
18342 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
18343 *p++ = PieceToChar(piece);
18346 if( q == p ) *p++ = '-';
18352 *p++ = whiteToPlay ? 'w' : 'b';
18355 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18356 haveRights = 0; q = p;
18357 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18358 piece = boards[move][0][i];
18359 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18360 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
18363 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18364 piece = boards[move][BOARD_HEIGHT-1][i];
18365 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18366 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18369 if(p == q) *p++ = '-';
18373 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18376 if(q != overrideCastling+1) p[-1] = ' '; else --p;
18379 int handW=0, handB=0;
18380 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18381 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18382 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18385 if(appData.fischerCastling) {
18386 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18387 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18388 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18390 /* [HGM] write directly from rights */
18391 if(boards[move][CASTLING][2] != NoRights &&
18392 boards[move][CASTLING][0] != NoRights )
18393 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18394 if(boards[move][CASTLING][2] != NoRights &&
18395 boards[move][CASTLING][1] != NoRights )
18396 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18399 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18400 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18402 if(boards[move][CASTLING][5] != NoRights &&
18403 boards[move][CASTLING][3] != NoRights )
18404 *p++ = boards[move][CASTLING][3] + AAA;
18405 if(boards[move][CASTLING][5] != NoRights &&
18406 boards[move][CASTLING][4] != NoRights )
18407 *p++ = boards[move][CASTLING][4] + AAA;
18411 /* [HGM] write true castling rights */
18412 if( nrCastlingRights == 6 ) {
18414 if(boards[move][CASTLING][0] != NoRights &&
18415 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18416 q = (boards[move][CASTLING][1] != NoRights &&
18417 boards[move][CASTLING][2] != NoRights );
18418 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18419 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18420 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18421 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18425 if(boards[move][CASTLING][3] != NoRights &&
18426 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18427 q = (boards[move][CASTLING][4] != NoRights &&
18428 boards[move][CASTLING][5] != NoRights );
18430 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18431 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18432 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18437 if (q == p) *p++ = '-'; /* No castling rights */
18441 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18442 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18443 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18444 /* En passant target square */
18445 if (move > backwardMostMove) {
18446 fromX = moveList[move - 1][0] - AAA;
18447 fromY = moveList[move - 1][1] - ONE;
18448 toX = moveList[move - 1][2] - AAA;
18449 toY = moveList[move - 1][3] - ONE;
18450 if ((whiteToPlay ? toY < fromY - 1 : toY > fromY + 1) &&
18451 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) ) {
18452 /* 2-square pawn move just happened */
18453 *p++ = (3*toX + 5*fromX + 4)/8 + AAA;
18454 *p++ = (3*toY + 5*fromY + 4)/8 + ONE;
18455 if(gameInfo.variant == VariantBerolina) {
18462 } else if(move == backwardMostMove) {
18463 // [HGM] perhaps we should always do it like this, and forget the above?
18464 if((signed char)boards[move][EP_STATUS] >= 0) {
18465 *p++ = boards[move][EP_STATUS] + AAA;
18466 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18477 i = boards[move][CHECK_COUNT];
18479 sprintf(p, "%d+%d ", i&255, i>>8);
18484 { int i = 0, j=move;
18486 /* [HGM] find reversible plies */
18487 if (appData.debugMode) { int k;
18488 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18489 for(k=backwardMostMove; k<=forwardMostMove; k++)
18490 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18494 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18495 if( j == backwardMostMove ) i += initialRulePlies;
18496 sprintf(p, "%d ", i);
18497 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18499 /* Fullmove number */
18500 sprintf(p, "%d", (move / 2) + 1);
18501 } else *--p = NULLCHAR;
18503 return StrSave(buf);
18507 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18509 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18511 int emptycount, virgin[BOARD_FILES];
18512 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18516 for(i=1; i<=deadRanks; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) board[BOARD_HEIGHT-i][j] = DarkSquare;
18518 /* Piece placement data */
18519 for (i = BOARD_HEIGHT - 1 - deadRanks; i >= 0; i--) {
18522 if (*p == '/' || *p == ' ' || *p == '[' ) {
18524 emptycount = gameInfo.boardWidth - j;
18525 while (emptycount--)
18526 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18527 if (*p == '/') p++;
18528 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18529 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18530 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18532 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18535 #if(BOARD_FILES >= 10)*0
18536 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18537 p++; emptycount=10;
18538 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18539 while (emptycount--)
18540 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18542 } else if (*p == '*') {
18543 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18544 } else if (isdigit(*p)) {
18545 emptycount = *p++ - '0';
18546 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18547 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18548 while (emptycount--)
18549 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18550 } else if (*p == '<') {
18551 if(i == BOARD_HEIGHT-1) shuffle = 1;
18552 else if (i != 0 || !shuffle) return FALSE;
18554 } else if (shuffle && *p == '>') {
18555 p++; // for now ignore closing shuffle range, and assume rank-end
18556 } else if (*p == '?') {
18557 if (j >= gameInfo.boardWidth) return FALSE;
18558 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18559 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18560 } else if (*p == '+' || isalpha(*p)) {
18561 char *q, *s = SUFFIXES;
18562 if (j >= gameInfo.boardWidth) return FALSE;
18565 if(q = strchr(s, p[1])) p++;
18566 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18567 if(piece == EmptySquare) return FALSE; /* unknown piece */
18568 piece = (ChessSquare) (CHUPROMOTED(piece)); p++;
18569 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18572 if(q = strchr(s, *p)) p++;
18573 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18576 if(piece==EmptySquare) return FALSE; /* unknown piece */
18577 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18578 piece = (ChessSquare) (PROMOTED(piece));
18579 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18582 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18583 if(piece == king) wKingRank = i;
18584 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18590 while (*p == '/' || *p == ' ') p++;
18592 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18594 /* [HGM] by default clear Crazyhouse holdings, if present */
18595 if(gameInfo.holdingsWidth) {
18596 for(i=0; i<BOARD_HEIGHT; i++) {
18597 board[i][0] = EmptySquare; /* black holdings */
18598 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18599 board[i][1] = (ChessSquare) 0; /* black counts */
18600 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18604 /* [HGM] look for Crazyhouse holdings here */
18605 while(*p==' ') p++;
18606 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18607 int swap=0, wcnt=0, bcnt=0;
18609 if(*p == '<') swap++, p++;
18610 if(*p == '-' ) p++; /* empty holdings */ else {
18611 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18612 /* if we would allow FEN reading to set board size, we would */
18613 /* have to add holdings and shift the board read so far here */
18614 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18616 if((int) piece >= (int) BlackPawn ) {
18617 i = (int)piece - (int)BlackPawn;
18618 i = PieceToNumber((ChessSquare)i);
18619 if( i >= gameInfo.holdingsSize ) return FALSE;
18620 board[handSize-1-i][0] = piece; /* black holdings */
18621 board[handSize-1-i][1]++; /* black counts */
18624 i = (int)piece - (int)WhitePawn;
18625 i = PieceToNumber((ChessSquare)i);
18626 if( i >= gameInfo.holdingsSize ) return FALSE;
18627 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18628 board[i][BOARD_WIDTH-2]++; /* black holdings */
18632 if(subst) { // substitute back-rank question marks by holdings pieces
18633 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18634 int k, m, n = bcnt + 1;
18635 if(board[0][j] == ClearBoard) {
18636 if(!wcnt) return FALSE;
18638 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18639 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18640 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18644 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18645 if(!bcnt) return FALSE;
18646 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18647 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18648 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18649 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18660 if(subst) return FALSE; // substitution requested, but no holdings
18662 while(*p == ' ') p++;
18666 if(appData.colorNickNames) {
18667 if( c == appData.colorNickNames[0] ) c = 'w'; else
18668 if( c == appData.colorNickNames[1] ) c = 'b';
18672 *blackPlaysFirst = FALSE;
18675 *blackPlaysFirst = TRUE;
18681 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18682 /* return the extra info in global variiables */
18684 while(*p==' ') p++;
18686 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18687 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18688 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18691 /* set defaults in case FEN is incomplete */
18692 board[EP_STATUS] = EP_UNKNOWN;
18693 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18694 for(i=0; i<nrCastlingRights; i++ ) {
18695 board[CASTLING][i] =
18696 appData.fischerCastling ? NoRights : initialRights[i];
18697 } /* assume possible unless obviously impossible */
18698 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18699 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18700 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18701 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18702 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18703 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18704 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18705 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18708 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18711 while(isalpha(*p)) {
18712 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18713 if(islower(*p)) b |= 1 << (*p++ - 'a');
18717 board[TOUCHED_W] = ~w;
18718 board[TOUCHED_B] = ~b;
18719 while(*p == ' ') p++;
18723 if(nrCastlingRights) {
18725 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18726 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18727 /* castling indicator present, so default becomes no castlings */
18728 for(i=0; i<nrCastlingRights; i++ ) {
18729 board[CASTLING][i] = NoRights;
18732 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18733 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18734 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18735 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18736 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18738 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18739 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18740 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18742 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18743 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18744 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18745 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18746 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18747 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18750 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18751 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18752 board[CASTLING][2] = whiteKingFile;
18753 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18754 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18755 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18758 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18759 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18760 board[CASTLING][2] = whiteKingFile;
18761 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18762 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18763 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18766 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18767 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18768 board[CASTLING][5] = blackKingFile;
18769 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18770 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18771 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18774 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18775 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18776 board[CASTLING][5] = blackKingFile;
18777 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18778 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18779 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18782 default: /* FRC castlings */
18783 if(c >= 'a') { /* black rights */
18784 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18785 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18786 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18787 if(i == BOARD_RGHT) break;
18788 board[CASTLING][5] = i;
18790 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18791 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18793 board[CASTLING][3] = c;
18795 board[CASTLING][4] = c;
18796 } else { /* white rights */
18797 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18798 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18799 if(board[0][i] == WhiteKing) break;
18800 if(i == BOARD_RGHT) break;
18801 board[CASTLING][2] = i;
18802 c -= AAA - 'a' + 'A';
18803 if(board[0][c] >= WhiteKing) break;
18805 board[CASTLING][0] = c;
18807 board[CASTLING][1] = c;
18811 for(i=0; i<nrCastlingRights; i++)
18812 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18813 if(gameInfo.variant == VariantSChess)
18814 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18815 if(fischer && shuffle) appData.fischerCastling = TRUE;
18816 if (appData.debugMode) {
18817 fprintf(debugFP, "FEN castling rights:");
18818 for(i=0; i<nrCastlingRights; i++)
18819 fprintf(debugFP, " %d", board[CASTLING][i]);
18820 fprintf(debugFP, "\n");
18823 while(*p==' ') p++;
18826 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18828 /* read e.p. field in games that know e.p. capture */
18829 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18830 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18831 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18833 p++; board[EP_STATUS] = EP_NONE;
18835 int d, r, c = *p - AAA;
18837 if(c >= BOARD_LEFT && c < BOARD_RGHT) {
18839 board[EP_STATUS] = board[EP_FILE] = c; r = 0;
18840 if(*p >= '0' && *p <='9') r = board[EP_RANK] = *p++ - ONE;
18841 d = (r < BOARD_HEIGHT << 1 ? 1 : -1); // assume double-push (P next to e.p. square nearer center)
18842 if(board[r+d][c] == EmptySquare) d *= 2; // but if no Pawn there, triple push
18843 board[LAST_TO] = 256*(r + d) + c;
18845 if(c >= BOARD_LEFT && c < BOARD_RGHT) { // mover explicitly mentioned
18846 if(*p >= '0' && *p <='9') r = board[EP_RANK] = *p++ - ONE;
18847 board[LAST_TO] = 256*r + c;
18848 if(!(board[EP_RANK]-r & 1)) board[EP_RANK] |= 128;
18854 while(*p == ' ') p++;
18856 board[CHECK_COUNT] = 0; // [HGM] 3check: check-count field
18857 if(sscanf(p, "%d+%d", &i, &j) == 2) {
18858 board[CHECK_COUNT] = i + 256*j;
18859 while(*p && *p != ' ') p++;
18862 c = sscanf(p, "%d%*d +%d+%d", &i, &j, &k);
18864 FENrulePlies = i; /* 50-move ply counter */
18865 /* (The move number is still ignored) */
18866 if(c == 3 && !board[CHECK_COUNT]) board[CHECK_COUNT] = (3 - j) + 256*(3 - k); // SCIDB-style check count
18873 EditPositionPasteFEN (char *fen)
18876 Board initial_position;
18878 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18879 DisplayError(_("Bad FEN position in clipboard"), 0);
18882 int savedBlackPlaysFirst = blackPlaysFirst;
18883 EditPositionEvent();
18884 blackPlaysFirst = savedBlackPlaysFirst;
18885 CopyBoard(boards[0], initial_position);
18886 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18887 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18888 DisplayBothClocks();
18889 DrawPosition(FALSE, boards[currentMove]);
18894 static char cseq[12] = "\\ ";
18897 set_cont_sequence (char *new_seq)
18902 // handle bad attempts to set the sequence
18904 return 0; // acceptable error - no debug
18906 len = strlen(new_seq);
18907 ret = (len > 0) && (len < sizeof(cseq));
18909 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18910 else if (appData.debugMode)
18911 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18916 reformat a source message so words don't cross the width boundary. internal
18917 newlines are not removed. returns the wrapped size (no null character unless
18918 included in source message). If dest is NULL, only calculate the size required
18919 for the dest buffer. lp argument indicats line position upon entry, and it's
18920 passed back upon exit.
18923 wrap (char *dest, char *src, int count, int width, int *lp)
18925 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18927 cseq_len = strlen(cseq);
18928 old_line = line = *lp;
18929 ansi = len = clen = 0;
18931 for (i=0; i < count; i++)
18933 if (src[i] == '\033')
18936 // if we hit the width, back up
18937 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18939 // store i & len in case the word is too long
18940 old_i = i, old_len = len;
18942 // find the end of the last word
18943 while (i && src[i] != ' ' && src[i] != '\n')
18949 // word too long? restore i & len before splitting it
18950 if ((old_i-i+clen) >= width)
18957 if (i && src[i-1] == ' ')
18960 if (src[i] != ' ' && src[i] != '\n')
18967 // now append the newline and continuation sequence
18972 strncpy(dest+len, cseq, cseq_len);
18980 dest[len] = src[i];
18984 if (src[i] == '\n')
18989 if (dest && appData.debugMode)
18991 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18992 count, width, line, len, *lp);
18993 show_bytes(debugFP, src, count);
18994 fprintf(debugFP, "\ndest: ");
18995 show_bytes(debugFP, dest, len);
18996 fprintf(debugFP, "\n");
18998 *lp = dest ? line : old_line;
19003 // [HGM] vari: routines for shelving variations
19004 Boolean modeRestore = FALSE;
19007 PushInner (int firstMove, int lastMove)
19009 int i, j, nrMoves = lastMove - firstMove;
19011 // push current tail of game on stack
19012 savedResult[storedGames] = gameInfo.result;
19013 savedDetails[storedGames] = gameInfo.resultDetails;
19014 gameInfo.resultDetails = NULL;
19015 savedFirst[storedGames] = firstMove;
19016 savedLast [storedGames] = lastMove;
19017 savedFramePtr[storedGames] = framePtr;
19018 framePtr -= nrMoves; // reserve space for the boards
19019 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
19020 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
19021 for(j=0; j<MOVE_LEN; j++)
19022 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
19023 for(j=0; j<2*MOVE_LEN; j++)
19024 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
19025 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
19026 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
19027 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
19028 pvInfoList[firstMove+i-1].depth = 0;
19029 commentList[framePtr+i] = commentList[firstMove+i];
19030 commentList[firstMove+i] = NULL;
19034 forwardMostMove = firstMove; // truncate game so we can start variation
19038 PushTail (int firstMove, int lastMove)
19040 if(appData.icsActive) { // only in local mode
19041 forwardMostMove = currentMove; // mimic old ICS behavior
19044 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
19046 PushInner(firstMove, lastMove);
19047 if(storedGames == 1) GreyRevert(FALSE);
19048 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
19052 PopInner (Boolean annotate)
19055 char buf[8000], moveBuf[20];
19057 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
19058 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
19059 nrMoves = savedLast[storedGames] - currentMove;
19062 if(!WhiteOnMove(currentMove))
19063 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
19064 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
19065 for(i=currentMove; i<forwardMostMove; i++) {
19067 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
19068 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
19069 strcat(buf, moveBuf);
19070 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
19071 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
19075 for(i=1; i<=nrMoves; i++) { // copy last variation back
19076 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
19077 for(j=0; j<MOVE_LEN; j++)
19078 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
19079 for(j=0; j<2*MOVE_LEN; j++)
19080 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
19081 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
19082 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
19083 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
19084 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
19085 commentList[currentMove+i] = commentList[framePtr+i];
19086 commentList[framePtr+i] = NULL;
19088 if(annotate) AppendComment(currentMove+1, buf, FALSE);
19089 framePtr = savedFramePtr[storedGames];
19090 gameInfo.result = savedResult[storedGames];
19091 if(gameInfo.resultDetails != NULL) {
19092 free(gameInfo.resultDetails);
19094 gameInfo.resultDetails = savedDetails[storedGames];
19095 forwardMostMove = currentMove + nrMoves;
19099 PopTail (Boolean annotate)
19101 if(appData.icsActive) return FALSE; // only in local mode
19102 if(!storedGames) return FALSE; // sanity
19103 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
19105 PopInner(annotate);
19106 if(currentMove < forwardMostMove) ForwardEvent(); else
19107 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
19109 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
19115 { // remove all shelved variations
19117 for(i=0; i<storedGames; i++) {
19118 if(savedDetails[i])
19119 free(savedDetails[i]);
19120 savedDetails[i] = NULL;
19122 for(i=framePtr; i<MAX_MOVES; i++) {
19123 if(commentList[i]) free(commentList[i]);
19124 commentList[i] = NULL;
19126 framePtr = MAX_MOVES-1;
19131 LoadVariation (int index, char *text)
19132 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
19133 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
19134 int level = 0, move;
19136 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
19137 // first find outermost bracketing variation
19138 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
19139 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
19140 if(*p == '{') wait = '}'; else
19141 if(*p == '[') wait = ']'; else
19142 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
19143 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
19145 if(*p == wait) wait = NULLCHAR; // closing ]} found
19148 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
19149 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
19150 end[1] = NULLCHAR; // clip off comment beyond variation
19151 ToNrEvent(currentMove-1);
19152 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
19153 // kludge: use ParsePV() to append variation to game
19154 move = currentMove;
19155 ParsePV(start, TRUE, TRUE);
19156 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
19157 ClearPremoveHighlights();
19159 ToNrEvent(currentMove+1);
19162 int transparency[2];
19167 #define BUF_SIZ (2*MSG_SIZ)
19168 char *p, *q, buf[BUF_SIZ];
19169 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
19170 snprintf(buf, BUF_SIZ, "-theme %s", engineLine);
19171 ParseArgsFromString(buf);
19172 ActivateTheme(TRUE); // also redo colors
19176 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
19179 q = appData.themeNames;
19180 snprintf(buf, BUF_SIZ, "\"%s\"", nickName);
19181 if(appData.useBitmaps) {
19182 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ubt true -lbtf \"%s\"",
19183 Shorten(appData.liteBackTextureFile));
19184 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -dbtf \"%s\" -lbtm %d -dbtm %d",
19185 Shorten(appData.darkBackTextureFile),
19186 appData.liteBackTextureMode,
19187 appData.darkBackTextureMode );
19189 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ubt false");
19191 if(!appData.useBitmaps || transparency[0]) {
19192 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -lsc %s", Col2Text(2) ); // lightSquareColor
19194 if(!appData.useBitmaps || transparency[1]) {
19195 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -dsc %s", Col2Text(3) ); // darkSquareColor
19197 if(appData.useBorder) {
19198 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ub true -border \"%s\"",
19201 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ub false");
19203 if(appData.useFont) {
19204 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
19205 appData.renderPiecesWithFont,
19206 appData.fontToPieceTable,
19207 Col2Text(9), // appData.fontBackColorWhite
19208 Col2Text(10) ); // appData.fontForeColorBlack
19210 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -upf false");
19211 if(appData.pieceDirectory[0]) {
19212 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -pid \"%s\"", Shorten(appData.pieceDirectory));
19213 if(appData.trueColors != 2) // 2 is a kludge to suppress this in WinBoard
19214 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -trueColors %s", appData.trueColors ? "true" : "false");
19216 if(!appData.pieceDirectory[0] || !appData.trueColors)
19217 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -wpc %s -bpc %s",
19218 Col2Text(0), // whitePieceColor
19219 Col2Text(1) ); // blackPieceColor
19221 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -hsc %s -phc %s\n",
19222 Col2Text(4), // highlightSquareColor
19223 Col2Text(5) ); // premoveHighlightColor
19224 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
19225 if(insert != q) insert[-1] = NULLCHAR;
19226 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
19229 ActivateTheme(FALSE);