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 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 int flock(int f, int code);
75 #include <sys/types.h>
84 #else /* not STDC_HEADERS */
87 # else /* not HAVE_STRING_H */
89 # endif /* not HAVE_STRING_H */
90 #endif /* not STDC_HEADERS */
93 # include <sys/fcntl.h>
94 #else /* not HAVE_SYS_FCNTL_H */
97 # endif /* HAVE_FCNTL_H */
98 #endif /* not HAVE_SYS_FCNTL_H */
100 #if TIME_WITH_SYS_TIME
101 # include <sys/time.h>
105 # include <sys/time.h>
111 #if defined(_amigados) && !defined(__GNUC__)
116 extern int gettimeofday(struct timeval *, struct timezone *);
124 #include "frontend.h"
131 #include "backendz.h"
132 #include "evalgraph.h"
136 # define _(s) gettext (s)
137 # define N_(s) gettext_noop (s)
138 # define T_(s) gettext(s)
151 int establish P((void));
152 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
153 char *buf, int count, int error));
154 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
155 char *buf, int count, int error));
156 void SendToICS P((char *s));
157 void SendToICSDelayed P((char *s, long msdelay));
158 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
159 void HandleMachineMove P((char *message, ChessProgramState *cps));
160 int AutoPlayOneMove P((void));
161 int LoadGameOneMove P((ChessMove readAhead));
162 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
163 int LoadPositionFromFile P((char *filename, int n, char *title));
164 int SavePositionToFile P((char *filename));
165 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
166 void ShowMove P((int fromX, int fromY, int toX, int toY));
167 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
168 /*char*/int promoChar));
169 void BackwardInner P((int target));
170 void ForwardInner P((int target));
171 int Adjudicate P((ChessProgramState *cps));
172 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
173 void EditPositionDone P((Boolean fakeRights));
174 void PrintOpponents P((FILE *fp));
175 void PrintPosition P((FILE *fp, int move));
176 void StartChessProgram P((ChessProgramState *cps));
177 void SendToProgram P((char *message, ChessProgramState *cps));
178 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
179 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
180 char *buf, int count, int error));
181 void SendTimeControl P((ChessProgramState *cps,
182 int mps, long tc, int inc, int sd, int st));
183 char *TimeControlTagValue P((void));
184 void Attention P((ChessProgramState *cps));
185 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
186 int ResurrectChessProgram P((void));
187 void DisplayComment P((int moveNumber, char *text));
188 void DisplayMove P((int moveNumber));
190 void ParseGameHistory P((char *game));
191 void ParseBoard12 P((char *string));
192 void KeepAlive P((void));
193 void StartClocks P((void));
194 void SwitchClocks P((int nr));
195 void StopClocks P((void));
196 void ResetClocks P((void));
197 char *PGNDate P((void));
198 void SetGameInfo P((void));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
220 void NextMatchGame P((void));
221 int NextTourneyGame P((int nr, int *swap));
222 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
223 FILE *WriteTourneyFile P((char *results, FILE *f));
224 void DisplayTwoMachinesTitle P(());
225 static void ExcludeClick P((int index));
226 void ToggleSecond P((void));
227 void PauseEngine P((ChessProgramState *cps));
228 static int NonStandardBoardSize P((void));
231 extern void ConsoleCreate();
234 ChessProgramState *WhitePlayer();
235 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
236 int VerifyDisplayMode P(());
238 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
239 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
240 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
241 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
242 void ics_update_width P((int new_width));
243 extern char installDir[MSG_SIZ];
244 VariantClass startVariant; /* [HGM] nicks: initial variant */
247 extern int tinyLayout, smallLayout;
248 ChessProgramStats programStats;
249 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
251 static int exiting = 0; /* [HGM] moved to top */
252 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
253 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
254 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
255 int partnerHighlight[2];
256 Boolean partnerBoardValid = 0;
257 char partnerStatus[MSG_SIZ];
259 Boolean originalFlip;
260 Boolean twoBoards = 0;
261 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
262 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
263 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
264 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
265 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
266 int opponentKibitzes;
267 int lastSavedGame; /* [HGM] save: ID of game */
268 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
269 extern int chatCount;
271 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
272 char legal[BOARD_RANKS][BOARD_FILES]; /* [HGM] legal target squares */
273 char lastMsg[MSG_SIZ];
274 ChessSquare pieceSweep = EmptySquare;
275 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
276 int promoDefaultAltered;
277 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
279 /* States for ics_getting_history */
281 #define H_REQUESTED 1
282 #define H_GOT_REQ_HEADER 2
283 #define H_GOT_UNREQ_HEADER 3
284 #define H_GETTING_MOVES 4
285 #define H_GOT_UNWANTED_HEADER 5
287 /* whosays values for GameEnds */
296 /* Maximum number of games in a cmail message */
297 #define CMAIL_MAX_GAMES 20
299 /* Different types of move when calling RegisterMove */
301 #define CMAIL_RESIGN 1
303 #define CMAIL_ACCEPT 3
305 /* Different types of result to remember for each game */
306 #define CMAIL_NOT_RESULT 0
307 #define CMAIL_OLD_RESULT 1
308 #define CMAIL_NEW_RESULT 2
310 /* Telnet protocol constants */
321 safeStrCpy (char *dst, const char *src, size_t count)
324 assert( dst != NULL );
325 assert( src != NULL );
328 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
329 if( i == count && dst[count-1] != NULLCHAR)
331 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
332 if(appData.debugMode)
333 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
339 /* Some compiler can't cast u64 to double
340 * This function do the job for us:
342 * We use the highest bit for cast, this only
343 * works if the highest bit is not
344 * in use (This should not happen)
346 * We used this for all compiler
349 u64ToDouble (u64 value)
352 u64 tmp = value & u64Const(0x7fffffffffffffff);
353 r = (double)(s64)tmp;
354 if (value & u64Const(0x8000000000000000))
355 r += 9.2233720368547758080e18; /* 2^63 */
359 /* Fake up flags for now, as we aren't keeping track of castling
360 availability yet. [HGM] Change of logic: the flag now only
361 indicates the type of castlings allowed by the rule of the game.
362 The actual rights themselves are maintained in the array
363 castlingRights, as part of the game history, and are not probed
369 int flags = F_ALL_CASTLE_OK;
370 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
371 switch (gameInfo.variant) {
373 flags &= ~F_ALL_CASTLE_OK;
374 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
375 flags |= F_IGNORE_CHECK;
377 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
380 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
382 case VariantKriegspiel:
383 flags |= F_KRIEGSPIEL_CAPTURE;
385 case VariantCapaRandom:
386 case VariantFischeRandom:
387 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
388 case VariantNoCastle:
389 case VariantShatranj:
394 flags &= ~F_ALL_CASTLE_OK;
402 FILE *gameFileFP, *debugFP, *serverFP;
403 char *currentDebugFile; // [HGM] debug split: to remember name
406 [AS] Note: sometimes, the sscanf() function is used to parse the input
407 into a fixed-size buffer. Because of this, we must be prepared to
408 receive strings as long as the size of the input buffer, which is currently
409 set to 4K for Windows and 8K for the rest.
410 So, we must either allocate sufficiently large buffers here, or
411 reduce the size of the input buffer in the input reading part.
414 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
415 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
416 char thinkOutput1[MSG_SIZ*10];
418 ChessProgramState first, second, pairing;
420 /* premove variables */
423 int premoveFromX = 0;
424 int premoveFromY = 0;
425 int premovePromoChar = 0;
427 Boolean alarmSounded;
428 /* end premove variables */
430 char *ics_prefix = "$";
431 enum ICS_TYPE ics_type = ICS_GENERIC;
433 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
434 int pauseExamForwardMostMove = 0;
435 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
436 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
437 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
438 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
439 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
440 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
441 int whiteFlag = FALSE, blackFlag = FALSE;
442 int userOfferedDraw = FALSE;
443 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
444 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
445 int cmailMoveType[CMAIL_MAX_GAMES];
446 long ics_clock_paused = 0;
447 ProcRef icsPR = NoProc, cmailPR = NoProc;
448 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
449 GameMode gameMode = BeginningOfGame;
450 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
451 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
452 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
453 int hiddenThinkOutputState = 0; /* [AS] */
454 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
455 int adjudicateLossPlies = 6;
456 char white_holding[64], black_holding[64];
457 TimeMark lastNodeCountTime;
458 long lastNodeCount=0;
459 int shiftKey, controlKey; // [HGM] set by mouse handler
461 int have_sent_ICS_logon = 0;
463 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
464 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
465 Boolean adjustedClock;
466 long timeControl_2; /* [AS] Allow separate time controls */
467 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
468 long timeRemaining[2][MAX_MOVES];
469 int matchGame = 0, nextGame = 0, roundNr = 0;
470 Boolean waitingForGame = FALSE, startingEngine = FALSE;
471 TimeMark programStartTime, pauseStart;
472 char ics_handle[MSG_SIZ];
473 int have_set_title = 0;
475 /* animateTraining preserves the state of appData.animate
476 * when Training mode is activated. This allows the
477 * response to be animated when appData.animate == TRUE and
478 * appData.animateDragging == TRUE.
480 Boolean animateTraining;
486 Board boards[MAX_MOVES];
487 /* [HGM] Following 7 needed for accurate legality tests: */
488 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
489 signed char initialRights[BOARD_FILES];
490 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
491 int initialRulePlies, FENrulePlies;
492 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
494 Boolean shuffleOpenings;
495 int mute; // mute all sounds
497 // [HGM] vari: next 12 to save and restore variations
498 #define MAX_VARIATIONS 10
499 int framePtr = MAX_MOVES-1; // points to free stack entry
501 int savedFirst[MAX_VARIATIONS];
502 int savedLast[MAX_VARIATIONS];
503 int savedFramePtr[MAX_VARIATIONS];
504 char *savedDetails[MAX_VARIATIONS];
505 ChessMove savedResult[MAX_VARIATIONS];
507 void PushTail P((int firstMove, int lastMove));
508 Boolean PopTail P((Boolean annotate));
509 void PushInner P((int firstMove, int lastMove));
510 void PopInner P((Boolean annotate));
511 void CleanupTail P((void));
513 ChessSquare FIDEArray[2][BOARD_FILES] = {
514 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
515 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
516 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
517 BlackKing, BlackBishop, BlackKnight, BlackRook }
520 ChessSquare twoKingsArray[2][BOARD_FILES] = {
521 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
522 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
523 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
524 BlackKing, BlackKing, BlackKnight, BlackRook }
527 ChessSquare KnightmateArray[2][BOARD_FILES] = {
528 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
529 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
530 { BlackRook, BlackMan, BlackBishop, BlackQueen,
531 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
534 ChessSquare SpartanArray[2][BOARD_FILES] = {
535 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
536 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
537 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
538 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
541 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
542 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
543 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
544 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
545 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
548 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
549 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
550 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
551 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
552 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
555 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
556 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
557 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
558 { BlackRook, BlackKnight, BlackMan, BlackFerz,
559 BlackKing, BlackMan, BlackKnight, BlackRook }
562 ChessSquare aseanArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
563 { WhiteRook, WhiteKnight, WhiteMan, WhiteFerz,
564 WhiteKing, WhiteMan, WhiteKnight, WhiteRook },
565 { BlackRook, BlackKnight, BlackMan, BlackFerz,
566 BlackKing, BlackMan, BlackKnight, BlackRook }
570 #if (BOARD_FILES>=10)
571 ChessSquare ShogiArray[2][BOARD_FILES] = {
572 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
573 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
574 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
575 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
578 ChessSquare XiangqiArray[2][BOARD_FILES] = {
579 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
580 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
581 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
582 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
585 ChessSquare CapablancaArray[2][BOARD_FILES] = {
586 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
587 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
588 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
589 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
592 ChessSquare GreatArray[2][BOARD_FILES] = {
593 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
594 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
595 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
596 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
599 ChessSquare JanusArray[2][BOARD_FILES] = {
600 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
601 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
602 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
603 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
606 ChessSquare GrandArray[2][BOARD_FILES] = {
607 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
608 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
609 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
610 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
614 ChessSquare GothicArray[2][BOARD_FILES] = {
615 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
616 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
617 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
618 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
621 #define GothicArray CapablancaArray
625 ChessSquare FalconArray[2][BOARD_FILES] = {
626 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
627 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
628 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
629 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
632 #define FalconArray CapablancaArray
635 #else // !(BOARD_FILES>=10)
636 #define XiangqiPosition FIDEArray
637 #define CapablancaArray FIDEArray
638 #define GothicArray FIDEArray
639 #define GreatArray FIDEArray
640 #endif // !(BOARD_FILES>=10)
642 #if (BOARD_FILES>=12)
643 ChessSquare CourierArray[2][BOARD_FILES] = {
644 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
645 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
646 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
647 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
649 ChessSquare ChuArray[6][BOARD_FILES] = {
650 { WhiteLance, WhiteUnicorn, WhiteMan, WhiteFerz, WhiteWazir, WhiteKing,
651 WhiteAlfil, WhiteWazir, WhiteFerz, WhiteMan, WhiteUnicorn, WhiteLance },
652 { BlackLance, BlackUnicorn, BlackMan, BlackFerz, BlackWazir, BlackAlfil,
653 BlackKing, BlackWazir, BlackFerz, BlackMan, BlackUnicorn, BlackLance },
654 { WhiteCannon, EmptySquare, WhiteBishop, EmptySquare, WhiteNightrider, WhiteMarshall,
655 WhiteAngel, WhiteNightrider, EmptySquare, WhiteBishop, EmptySquare, WhiteCannon },
656 { BlackCannon, EmptySquare, BlackBishop, EmptySquare, BlackNightrider, BlackAngel,
657 BlackMarshall, BlackNightrider, EmptySquare, BlackBishop, EmptySquare, BlackCannon },
658 { WhiteFalcon, WhiteSilver, WhiteRook, WhiteCardinal, WhiteDragon, WhiteLion,
659 WhiteQueen, WhiteDragon, WhiteCardinal, WhiteRook, WhiteSilver, WhiteFalcon },
660 { BlackFalcon, BlackSilver, BlackRook, BlackCardinal, BlackDragon, BlackQueen,
661 BlackLion, BlackDragon, BlackCardinal, BlackRook, BlackSilver, BlackFalcon }
663 #else // !(BOARD_FILES>=12)
664 #define CourierArray CapablancaArray
665 #define ChuArray CapablancaArray
666 #endif // !(BOARD_FILES>=12)
669 Board initialPosition;
672 /* Convert str to a rating. Checks for special cases of "----",
674 "++++", etc. Also strips ()'s */
676 string_to_rating (char *str)
678 while(*str && !isdigit(*str)) ++str;
680 return 0; /* One of the special "no rating" cases */
688 /* Init programStats */
689 programStats.movelist[0] = 0;
690 programStats.depth = 0;
691 programStats.nr_moves = 0;
692 programStats.moves_left = 0;
693 programStats.nodes = 0;
694 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
695 programStats.score = 0;
696 programStats.got_only_move = 0;
697 programStats.got_fail = 0;
698 programStats.line_is_book = 0;
703 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
704 if (appData.firstPlaysBlack) {
705 first.twoMachinesColor = "black\n";
706 second.twoMachinesColor = "white\n";
708 first.twoMachinesColor = "white\n";
709 second.twoMachinesColor = "black\n";
712 first.other = &second;
713 second.other = &first;
716 if(appData.timeOddsMode) {
717 norm = appData.timeOdds[0];
718 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
720 first.timeOdds = appData.timeOdds[0]/norm;
721 second.timeOdds = appData.timeOdds[1]/norm;
724 if(programVersion) free(programVersion);
725 if (appData.noChessProgram) {
726 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
727 sprintf(programVersion, "%s", PACKAGE_STRING);
729 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
730 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
731 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
736 UnloadEngine (ChessProgramState *cps)
738 /* Kill off first chess program */
739 if (cps->isr != NULL)
740 RemoveInputSource(cps->isr);
743 if (cps->pr != NoProc) {
745 DoSleep( appData.delayBeforeQuit );
746 SendToProgram("quit\n", cps);
747 DoSleep( appData.delayAfterQuit );
748 DestroyChildProcess(cps->pr, cps->useSigterm);
751 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
755 ClearOptions (ChessProgramState *cps)
758 cps->nrOptions = cps->comboCnt = 0;
759 for(i=0; i<MAX_OPTIONS; i++) {
760 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
761 cps->option[i].textValue = 0;
765 char *engineNames[] = {
766 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
767 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
769 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
770 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
775 InitEngine (ChessProgramState *cps, int n)
776 { // [HGM] all engine initialiation put in a function that does one engine
780 cps->which = engineNames[n];
781 cps->maybeThinking = FALSE;
785 cps->sendDrawOffers = 1;
787 cps->program = appData.chessProgram[n];
788 cps->host = appData.host[n];
789 cps->dir = appData.directory[n];
790 cps->initString = appData.engInitString[n];
791 cps->computerString = appData.computerString[n];
792 cps->useSigint = TRUE;
793 cps->useSigterm = TRUE;
794 cps->reuse = appData.reuse[n];
795 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
796 cps->useSetboard = FALSE;
798 cps->usePing = FALSE;
801 cps->usePlayother = FALSE;
802 cps->useColors = TRUE;
803 cps->useUsermove = FALSE;
804 cps->sendICS = FALSE;
805 cps->sendName = appData.icsActive;
806 cps->sdKludge = FALSE;
807 cps->stKludge = FALSE;
808 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
809 TidyProgramName(cps->program, cps->host, cps->tidy);
811 ASSIGN(cps->variants, appData.variant);
812 cps->analysisSupport = 2; /* detect */
813 cps->analyzing = FALSE;
814 cps->initDone = FALSE;
817 /* New features added by Tord: */
818 cps->useFEN960 = FALSE;
819 cps->useOOCastle = TRUE;
820 /* End of new features added by Tord. */
821 cps->fenOverride = appData.fenOverride[n];
823 /* [HGM] time odds: set factor for each machine */
824 cps->timeOdds = appData.timeOdds[n];
826 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
827 cps->accumulateTC = appData.accumulateTC[n];
828 cps->maxNrOfSessions = 1;
833 cps->supportsNPS = UNKNOWN;
834 cps->memSize = FALSE;
835 cps->maxCores = FALSE;
836 ASSIGN(cps->egtFormats, "");
839 cps->optionSettings = appData.engOptions[n];
841 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
842 cps->isUCI = appData.isUCI[n]; /* [AS] */
843 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
846 if (appData.protocolVersion[n] > PROTOVER
847 || appData.protocolVersion[n] < 1)
852 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
853 appData.protocolVersion[n]);
854 if( (len >= MSG_SIZ) && appData.debugMode )
855 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
857 DisplayFatalError(buf, 0, 2);
861 cps->protocolVersion = appData.protocolVersion[n];
864 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
865 ParseFeatures(appData.featureDefaults, cps);
868 ChessProgramState *savCps;
876 if(WaitForEngine(savCps, LoadEngine)) return;
877 CommonEngineInit(); // recalculate time odds
878 if(gameInfo.variant != StringToVariant(appData.variant)) {
879 // we changed variant when loading the engine; this forces us to reset
880 Reset(TRUE, savCps != &first);
881 oldMode = BeginningOfGame; // to prevent restoring old mode
883 InitChessProgram(savCps, FALSE);
884 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
885 DisplayMessage("", "");
886 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
887 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
890 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
894 ReplaceEngine (ChessProgramState *cps, int n)
896 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
898 if(oldMode != BeginningOfGame) EditGameEvent();
901 appData.noChessProgram = FALSE;
902 appData.clockMode = TRUE;
905 if(n) return; // only startup first engine immediately; second can wait
906 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
910 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
911 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
913 static char resetOptions[] =
914 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
915 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
916 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
917 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
920 FloatToFront(char **list, char *engineLine)
922 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
924 if(appData.recentEngines <= 0) return;
925 TidyProgramName(engineLine, "localhost", tidy+1);
926 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
927 strncpy(buf+1, *list, MSG_SIZ-50);
928 if(p = strstr(buf, tidy)) { // tidy name appears in list
929 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
930 while(*p++ = *++q); // squeeze out
932 strcat(tidy, buf+1); // put list behind tidy name
933 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
934 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
935 ASSIGN(*list, tidy+1);
938 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
941 Load (ChessProgramState *cps, int i)
943 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ], buf3[MSG_SIZ], jar;
944 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
945 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
946 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
947 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
948 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
949 appData.firstProtocolVersion = PROTOVER;
950 ParseArgsFromString(buf);
952 ReplaceEngine(cps, i);
953 FloatToFront(&appData.recentEngineList, engineLine);
957 while(q = strchr(p, SLASH)) p = q+1;
958 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
959 if(engineDir[0] != NULLCHAR) {
960 ASSIGN(appData.directory[i], engineDir); p = engineName;
961 } else if(p != engineName) { // derive directory from engine path, when not given
963 ASSIGN(appData.directory[i], engineName);
965 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
966 } else { ASSIGN(appData.directory[i], "."); }
967 jar = (strstr(p, ".jar") == p + strlen(p) - 4);
969 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
970 snprintf(command, MSG_SIZ, "%s %s", p, params);
973 if(jar) { snprintf(buf3, MSG_SIZ, "java -jar %s", p); p = buf3; }
974 ASSIGN(appData.chessProgram[i], p);
975 appData.isUCI[i] = isUCI;
976 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
977 appData.hasOwnBookUCI[i] = hasBook;
978 if(!nickName[0]) useNick = FALSE;
979 if(useNick) ASSIGN(appData.pgnName[i], nickName);
983 q = firstChessProgramNames;
984 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
985 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
986 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
987 quote, p, quote, appData.directory[i],
988 useNick ? " -fn \"" : "",
989 useNick ? nickName : "",
991 v1 ? " -firstProtocolVersion 1" : "",
992 hasBook ? "" : " -fNoOwnBookUCI",
993 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
994 storeVariant ? " -variant " : "",
995 storeVariant ? VariantName(gameInfo.variant) : "");
996 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
997 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
998 if(insert != q) insert[-1] = NULLCHAR;
999 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
1001 FloatToFront(&appData.recentEngineList, buf);
1003 ReplaceEngine(cps, i);
1009 int matched, min, sec;
1011 * Parse timeControl resource
1013 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
1014 appData.movesPerSession)) {
1016 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
1017 DisplayFatalError(buf, 0, 2);
1021 * Parse searchTime resource
1023 if (*appData.searchTime != NULLCHAR) {
1024 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1026 searchTime = min * 60;
1027 } else if (matched == 2) {
1028 searchTime = min * 60 + sec;
1031 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1032 DisplayFatalError(buf, 0, 2);
1041 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1042 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1044 GetTimeMark(&programStartTime);
1045 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1046 appData.seedBase = random() + (random()<<15);
1047 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1049 ClearProgramStats();
1050 programStats.ok_to_send = 1;
1051 programStats.seen_stat = 0;
1054 * Initialize game list
1060 * Internet chess server status
1062 if (appData.icsActive) {
1063 appData.matchMode = FALSE;
1064 appData.matchGames = 0;
1066 appData.noChessProgram = !appData.zippyPlay;
1068 appData.zippyPlay = FALSE;
1069 appData.zippyTalk = FALSE;
1070 appData.noChessProgram = TRUE;
1072 if (*appData.icsHelper != NULLCHAR) {
1073 appData.useTelnet = TRUE;
1074 appData.telnetProgram = appData.icsHelper;
1077 appData.zippyTalk = appData.zippyPlay = FALSE;
1080 /* [AS] Initialize pv info list [HGM] and game state */
1084 for( i=0; i<=framePtr; i++ ) {
1085 pvInfoList[i].depth = -1;
1086 boards[i][EP_STATUS] = EP_NONE;
1087 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1093 /* [AS] Adjudication threshold */
1094 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1096 InitEngine(&first, 0);
1097 InitEngine(&second, 1);
1100 pairing.which = "pairing"; // pairing engine
1101 pairing.pr = NoProc;
1103 pairing.program = appData.pairingEngine;
1104 pairing.host = "localhost";
1107 if (appData.icsActive) {
1108 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1109 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1110 appData.clockMode = FALSE;
1111 first.sendTime = second.sendTime = 0;
1115 /* Override some settings from environment variables, for backward
1116 compatibility. Unfortunately it's not feasible to have the env
1117 vars just set defaults, at least in xboard. Ugh.
1119 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1124 if (!appData.icsActive) {
1128 /* Check for variants that are supported only in ICS mode,
1129 or not at all. Some that are accepted here nevertheless
1130 have bugs; see comments below.
1132 VariantClass variant = StringToVariant(appData.variant);
1134 case VariantBughouse: /* need four players and two boards */
1135 case VariantKriegspiel: /* need to hide pieces and move details */
1136 /* case VariantFischeRandom: (Fabien: moved below) */
1137 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1138 if( (len >= MSG_SIZ) && appData.debugMode )
1139 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1141 DisplayFatalError(buf, 0, 2);
1144 case VariantUnknown:
1145 case VariantLoadable:
1155 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1156 if( (len >= MSG_SIZ) && appData.debugMode )
1157 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1159 DisplayFatalError(buf, 0, 2);
1162 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1163 case VariantFairy: /* [HGM] TestLegality definitely off! */
1164 case VariantGothic: /* [HGM] should work */
1165 case VariantCapablanca: /* [HGM] should work */
1166 case VariantCourier: /* [HGM] initial forced moves not implemented */
1167 case VariantShogi: /* [HGM] could still mate with pawn drop */
1168 case VariantChu: /* [HGM] experimental */
1169 case VariantKnightmate: /* [HGM] should work */
1170 case VariantCylinder: /* [HGM] untested */
1171 case VariantFalcon: /* [HGM] untested */
1172 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1173 offboard interposition not understood */
1174 case VariantNormal: /* definitely works! */
1175 case VariantWildCastle: /* pieces not automatically shuffled */
1176 case VariantNoCastle: /* pieces not automatically shuffled */
1177 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1178 case VariantLosers: /* should work except for win condition,
1179 and doesn't know captures are mandatory */
1180 case VariantSuicide: /* should work except for win condition,
1181 and doesn't know captures are mandatory */
1182 case VariantGiveaway: /* should work except for win condition,
1183 and doesn't know captures are mandatory */
1184 case VariantTwoKings: /* should work */
1185 case VariantAtomic: /* should work except for win condition */
1186 case Variant3Check: /* should work except for win condition */
1187 case VariantShatranj: /* should work except for all win conditions */
1188 case VariantMakruk: /* should work except for draw countdown */
1189 case VariantASEAN : /* should work except for draw countdown */
1190 case VariantBerolina: /* might work if TestLegality is off */
1191 case VariantCapaRandom: /* should work */
1192 case VariantJanus: /* should work */
1193 case VariantSuper: /* experimental */
1194 case VariantGreat: /* experimental, requires legality testing to be off */
1195 case VariantSChess: /* S-Chess, should work */
1196 case VariantGrand: /* should work */
1197 case VariantSpartan: /* should work */
1205 NextIntegerFromString (char ** str, long * value)
1210 while( *s == ' ' || *s == '\t' ) {
1216 if( *s >= '0' && *s <= '9' ) {
1217 while( *s >= '0' && *s <= '9' ) {
1218 *value = *value * 10 + (*s - '0');
1231 NextTimeControlFromString (char ** str, long * value)
1234 int result = NextIntegerFromString( str, &temp );
1237 *value = temp * 60; /* Minutes */
1238 if( **str == ':' ) {
1240 result = NextIntegerFromString( str, &temp );
1241 *value += temp; /* Seconds */
1249 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1250 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1251 int result = -1, type = 0; long temp, temp2;
1253 if(**str != ':') return -1; // old params remain in force!
1255 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1256 if( NextIntegerFromString( str, &temp ) ) return -1;
1257 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1260 /* time only: incremental or sudden-death time control */
1261 if(**str == '+') { /* increment follows; read it */
1263 if(**str == '!') type = *(*str)++; // Bronstein TC
1264 if(result = NextIntegerFromString( str, &temp2)) return -1;
1265 *inc = temp2 * 1000;
1266 if(**str == '.') { // read fraction of increment
1267 char *start = ++(*str);
1268 if(result = NextIntegerFromString( str, &temp2)) return -1;
1270 while(start++ < *str) temp2 /= 10;
1274 *moves = 0; *tc = temp * 1000; *incType = type;
1278 (*str)++; /* classical time control */
1279 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1291 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1292 { /* [HGM] get time to add from the multi-session time-control string */
1293 int incType, moves=1; /* kludge to force reading of first session */
1294 long time, increment;
1297 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1299 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1300 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1301 if(movenr == -1) return time; /* last move before new session */
1302 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1303 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1304 if(!moves) return increment; /* current session is incremental */
1305 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1306 } while(movenr >= -1); /* try again for next session */
1308 return 0; // no new time quota on this move
1312 ParseTimeControl (char *tc, float ti, int mps)
1316 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1319 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1320 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1321 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1325 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1327 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1330 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1332 snprintf(buf, MSG_SIZ, ":%s", mytc);
1334 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1336 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1341 /* Parse second time control */
1344 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1352 timeControl_2 = tc2 * 1000;
1362 timeControl = tc1 * 1000;
1365 timeIncrement = ti * 1000; /* convert to ms */
1366 movesPerSession = 0;
1369 movesPerSession = mps;
1377 if (appData.debugMode) {
1378 # ifdef __GIT_VERSION
1379 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1381 fprintf(debugFP, "Version: %s\n", programVersion);
1384 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1386 set_cont_sequence(appData.wrapContSeq);
1387 if (appData.matchGames > 0) {
1388 appData.matchMode = TRUE;
1389 } else if (appData.matchMode) {
1390 appData.matchGames = 1;
1392 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1393 appData.matchGames = appData.sameColorGames;
1394 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1395 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1396 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1399 if (appData.noChessProgram || first.protocolVersion == 1) {
1402 /* kludge: allow timeout for initial "feature" commands */
1404 DisplayMessage("", _("Starting chess program"));
1405 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1410 CalculateIndex (int index, int gameNr)
1411 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1413 if(index > 0) return index; // fixed nmber
1414 if(index == 0) return 1;
1415 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1416 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1421 LoadGameOrPosition (int gameNr)
1422 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1423 if (*appData.loadGameFile != NULLCHAR) {
1424 if (!LoadGameFromFile(appData.loadGameFile,
1425 CalculateIndex(appData.loadGameIndex, gameNr),
1426 appData.loadGameFile, FALSE)) {
1427 DisplayFatalError(_("Bad game file"), 0, 1);
1430 } else if (*appData.loadPositionFile != NULLCHAR) {
1431 if (!LoadPositionFromFile(appData.loadPositionFile,
1432 CalculateIndex(appData.loadPositionIndex, gameNr),
1433 appData.loadPositionFile)) {
1434 DisplayFatalError(_("Bad position file"), 0, 1);
1442 ReserveGame (int gameNr, char resChar)
1444 FILE *tf = fopen(appData.tourneyFile, "r+");
1445 char *p, *q, c, buf[MSG_SIZ];
1446 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1447 safeStrCpy(buf, lastMsg, MSG_SIZ);
1448 DisplayMessage(_("Pick new game"), "");
1449 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1450 ParseArgsFromFile(tf);
1451 p = q = appData.results;
1452 if(appData.debugMode) {
1453 char *r = appData.participants;
1454 fprintf(debugFP, "results = '%s'\n", p);
1455 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1456 fprintf(debugFP, "\n");
1458 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1460 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1461 safeStrCpy(q, p, strlen(p) + 2);
1462 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1463 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1464 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1465 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1468 fseek(tf, -(strlen(p)+4), SEEK_END);
1470 if(c != '"') // depending on DOS or Unix line endings we can be one off
1471 fseek(tf, -(strlen(p)+2), SEEK_END);
1472 else fseek(tf, -(strlen(p)+3), SEEK_END);
1473 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1474 DisplayMessage(buf, "");
1475 free(p); appData.results = q;
1476 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1477 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1478 int round = appData.defaultMatchGames * appData.tourneyType;
1479 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1480 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1481 UnloadEngine(&first); // next game belongs to other pairing;
1482 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1484 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1488 MatchEvent (int mode)
1489 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1491 if(matchMode) { // already in match mode: switch it off
1493 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1496 // if(gameMode != BeginningOfGame) {
1497 // DisplayError(_("You can only start a match from the initial position."), 0);
1501 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1502 /* Set up machine vs. machine match */
1504 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1505 if(appData.tourneyFile[0]) {
1507 if(nextGame > appData.matchGames) {
1509 if(strchr(appData.results, '*') == NULL) {
1511 appData.tourneyCycles++;
1512 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1514 NextTourneyGame(-1, &dummy);
1516 if(nextGame <= appData.matchGames) {
1517 DisplayNote(_("You restarted an already completed tourney.\nOne more cycle will now be added to it.\nGames commence in 10 sec."));
1519 ScheduleDelayedEvent(NextMatchGame, 10000);
1524 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1525 DisplayError(buf, 0);
1526 appData.tourneyFile[0] = 0;
1530 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1531 DisplayFatalError(_("Can't have a match with no chess programs"),
1536 matchGame = roundNr = 1;
1537 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1541 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1544 InitBackEnd3 P((void))
1546 GameMode initialMode;
1550 InitChessProgram(&first, startedFromSetupPosition);
1552 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1553 free(programVersion);
1554 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1555 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1556 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1559 if (appData.icsActive) {
1561 /* [DM] Make a console window if needed [HGM] merged ifs */
1567 if (*appData.icsCommPort != NULLCHAR)
1568 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1569 appData.icsCommPort);
1571 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1572 appData.icsHost, appData.icsPort);
1574 if( (len >= MSG_SIZ) && appData.debugMode )
1575 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1577 DisplayFatalError(buf, err, 1);
1582 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1584 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1585 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1586 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1587 } else if (appData.noChessProgram) {
1593 if (*appData.cmailGameName != NULLCHAR) {
1595 OpenLoopback(&cmailPR);
1597 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1601 DisplayMessage("", "");
1602 if (StrCaseCmp(appData.initialMode, "") == 0) {
1603 initialMode = BeginningOfGame;
1604 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1605 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1606 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1607 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1610 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1611 initialMode = TwoMachinesPlay;
1612 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1613 initialMode = AnalyzeFile;
1614 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1615 initialMode = AnalyzeMode;
1616 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1617 initialMode = MachinePlaysWhite;
1618 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1619 initialMode = MachinePlaysBlack;
1620 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1621 initialMode = EditGame;
1622 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1623 initialMode = EditPosition;
1624 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1625 initialMode = Training;
1627 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1628 if( (len >= MSG_SIZ) && appData.debugMode )
1629 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1631 DisplayFatalError(buf, 0, 2);
1635 if (appData.matchMode) {
1636 if(appData.tourneyFile[0]) { // start tourney from command line
1638 if(f = fopen(appData.tourneyFile, "r")) {
1639 ParseArgsFromFile(f); // make sure tourney parmeters re known
1641 appData.clockMode = TRUE;
1643 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1646 } else if (*appData.cmailGameName != NULLCHAR) {
1647 /* Set up cmail mode */
1648 ReloadCmailMsgEvent(TRUE);
1650 /* Set up other modes */
1651 if (initialMode == AnalyzeFile) {
1652 if (*appData.loadGameFile == NULLCHAR) {
1653 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1657 if (*appData.loadGameFile != NULLCHAR) {
1658 (void) LoadGameFromFile(appData.loadGameFile,
1659 appData.loadGameIndex,
1660 appData.loadGameFile, TRUE);
1661 } else if (*appData.loadPositionFile != NULLCHAR) {
1662 (void) LoadPositionFromFile(appData.loadPositionFile,
1663 appData.loadPositionIndex,
1664 appData.loadPositionFile);
1665 /* [HGM] try to make self-starting even after FEN load */
1666 /* to allow automatic setup of fairy variants with wtm */
1667 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1668 gameMode = BeginningOfGame;
1669 setboardSpoiledMachineBlack = 1;
1671 /* [HGM] loadPos: make that every new game uses the setup */
1672 /* from file as long as we do not switch variant */
1673 if(!blackPlaysFirst) {
1674 startedFromPositionFile = TRUE;
1675 CopyBoard(filePosition, boards[0]);
1678 if (initialMode == AnalyzeMode) {
1679 if (appData.noChessProgram) {
1680 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1683 if (appData.icsActive) {
1684 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1688 } else if (initialMode == AnalyzeFile) {
1689 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1690 ShowThinkingEvent();
1692 AnalysisPeriodicEvent(1);
1693 } else if (initialMode == MachinePlaysWhite) {
1694 if (appData.noChessProgram) {
1695 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1699 if (appData.icsActive) {
1700 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1704 MachineWhiteEvent();
1705 } else if (initialMode == MachinePlaysBlack) {
1706 if (appData.noChessProgram) {
1707 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1711 if (appData.icsActive) {
1712 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1716 MachineBlackEvent();
1717 } else if (initialMode == TwoMachinesPlay) {
1718 if (appData.noChessProgram) {
1719 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1723 if (appData.icsActive) {
1724 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1729 } else if (initialMode == EditGame) {
1731 } else if (initialMode == EditPosition) {
1732 EditPositionEvent();
1733 } else if (initialMode == Training) {
1734 if (*appData.loadGameFile == NULLCHAR) {
1735 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1744 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1746 DisplayBook(current+1);
1748 MoveHistorySet( movelist, first, last, current, pvInfoList );
1750 EvalGraphSet( first, last, current, pvInfoList );
1752 MakeEngineOutputTitle();
1756 * Establish will establish a contact to a remote host.port.
1757 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1758 * used to talk to the host.
1759 * Returns 0 if okay, error code if not.
1766 if (*appData.icsCommPort != NULLCHAR) {
1767 /* Talk to the host through a serial comm port */
1768 return OpenCommPort(appData.icsCommPort, &icsPR);
1770 } else if (*appData.gateway != NULLCHAR) {
1771 if (*appData.remoteShell == NULLCHAR) {
1772 /* Use the rcmd protocol to run telnet program on a gateway host */
1773 snprintf(buf, sizeof(buf), "%s %s %s",
1774 appData.telnetProgram, appData.icsHost, appData.icsPort);
1775 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1778 /* Use the rsh program to run telnet program on a gateway host */
1779 if (*appData.remoteUser == NULLCHAR) {
1780 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1781 appData.gateway, appData.telnetProgram,
1782 appData.icsHost, appData.icsPort);
1784 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1785 appData.remoteShell, appData.gateway,
1786 appData.remoteUser, appData.telnetProgram,
1787 appData.icsHost, appData.icsPort);
1789 return StartChildProcess(buf, "", &icsPR);
1792 } else if (appData.useTelnet) {
1793 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1796 /* TCP socket interface differs somewhat between
1797 Unix and NT; handle details in the front end.
1799 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1804 EscapeExpand (char *p, char *q)
1805 { // [HGM] initstring: routine to shape up string arguments
1806 while(*p++ = *q++) if(p[-1] == '\\')
1808 case 'n': p[-1] = '\n'; break;
1809 case 'r': p[-1] = '\r'; break;
1810 case 't': p[-1] = '\t'; break;
1811 case '\\': p[-1] = '\\'; break;
1812 case 0: *p = 0; return;
1813 default: p[-1] = q[-1]; break;
1818 show_bytes (FILE *fp, char *buf, int count)
1821 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1822 fprintf(fp, "\\%03o", *buf & 0xff);
1831 /* Returns an errno value */
1833 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1835 char buf[8192], *p, *q, *buflim;
1836 int left, newcount, outcount;
1838 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1839 *appData.gateway != NULLCHAR) {
1840 if (appData.debugMode) {
1841 fprintf(debugFP, ">ICS: ");
1842 show_bytes(debugFP, message, count);
1843 fprintf(debugFP, "\n");
1845 return OutputToProcess(pr, message, count, outError);
1848 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1855 if (appData.debugMode) {
1856 fprintf(debugFP, ">ICS: ");
1857 show_bytes(debugFP, buf, newcount);
1858 fprintf(debugFP, "\n");
1860 outcount = OutputToProcess(pr, buf, newcount, outError);
1861 if (outcount < newcount) return -1; /* to be sure */
1868 } else if (((unsigned char) *p) == TN_IAC) {
1869 *q++ = (char) TN_IAC;
1876 if (appData.debugMode) {
1877 fprintf(debugFP, ">ICS: ");
1878 show_bytes(debugFP, buf, newcount);
1879 fprintf(debugFP, "\n");
1881 outcount = OutputToProcess(pr, buf, newcount, outError);
1882 if (outcount < newcount) return -1; /* to be sure */
1887 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1889 int outError, outCount;
1890 static int gotEof = 0;
1893 /* Pass data read from player on to ICS */
1896 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1897 if (outCount < count) {
1898 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1900 if(have_sent_ICS_logon == 2) {
1901 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1902 fprintf(ini, "%s", message);
1903 have_sent_ICS_logon = 3;
1905 have_sent_ICS_logon = 1;
1906 } else if(have_sent_ICS_logon == 3) {
1907 fprintf(ini, "%s", message);
1909 have_sent_ICS_logon = 1;
1911 } else if (count < 0) {
1912 RemoveInputSource(isr);
1913 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1914 } else if (gotEof++ > 0) {
1915 RemoveInputSource(isr);
1916 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1922 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1923 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1924 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1925 SendToICS("date\n");
1926 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1929 /* added routine for printf style output to ics */
1931 ics_printf (char *format, ...)
1933 char buffer[MSG_SIZ];
1936 va_start(args, format);
1937 vsnprintf(buffer, sizeof(buffer), format, args);
1938 buffer[sizeof(buffer)-1] = '\0';
1946 int count, outCount, outError;
1948 if (icsPR == NoProc) return;
1951 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1952 if (outCount < count) {
1953 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1957 /* This is used for sending logon scripts to the ICS. Sending
1958 without a delay causes problems when using timestamp on ICC
1959 (at least on my machine). */
1961 SendToICSDelayed (char *s, long msdelay)
1963 int count, outCount, outError;
1965 if (icsPR == NoProc) return;
1968 if (appData.debugMode) {
1969 fprintf(debugFP, ">ICS: ");
1970 show_bytes(debugFP, s, count);
1971 fprintf(debugFP, "\n");
1973 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1975 if (outCount < count) {
1976 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1981 /* Remove all highlighting escape sequences in s
1982 Also deletes any suffix starting with '('
1985 StripHighlightAndTitle (char *s)
1987 static char retbuf[MSG_SIZ];
1990 while (*s != NULLCHAR) {
1991 while (*s == '\033') {
1992 while (*s != NULLCHAR && !isalpha(*s)) s++;
1993 if (*s != NULLCHAR) s++;
1995 while (*s != NULLCHAR && *s != '\033') {
1996 if (*s == '(' || *s == '[') {
2007 /* Remove all highlighting escape sequences in s */
2009 StripHighlight (char *s)
2011 static char retbuf[MSG_SIZ];
2014 while (*s != NULLCHAR) {
2015 while (*s == '\033') {
2016 while (*s != NULLCHAR && !isalpha(*s)) s++;
2017 if (*s != NULLCHAR) s++;
2019 while (*s != NULLCHAR && *s != '\033') {
2027 char engineVariant[MSG_SIZ];
2028 char *variantNames[] = VARIANT_NAMES;
2030 VariantName (VariantClass v)
2032 if(v == VariantUnknown || *engineVariant) return engineVariant;
2033 return variantNames[v];
2037 /* Identify a variant from the strings the chess servers use or the
2038 PGN Variant tag names we use. */
2040 StringToVariant (char *e)
2044 VariantClass v = VariantNormal;
2045 int i, found = FALSE;
2051 /* [HGM] skip over optional board-size prefixes */
2052 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
2053 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
2054 while( *e++ != '_');
2057 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2061 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2062 if (StrCaseStr(e, variantNames[i])) {
2063 v = (VariantClass) i;
2070 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2071 || StrCaseStr(e, "wild/fr")
2072 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2073 v = VariantFischeRandom;
2074 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2075 (i = 1, p = StrCaseStr(e, "w"))) {
2077 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2084 case 0: /* FICS only, actually */
2086 /* Castling legal even if K starts on d-file */
2087 v = VariantWildCastle;
2092 /* Castling illegal even if K & R happen to start in
2093 normal positions. */
2094 v = VariantNoCastle;
2107 /* Castling legal iff K & R start in normal positions */
2113 /* Special wilds for position setup; unclear what to do here */
2114 v = VariantLoadable;
2117 /* Bizarre ICC game */
2118 v = VariantTwoKings;
2121 v = VariantKriegspiel;
2127 v = VariantFischeRandom;
2130 v = VariantCrazyhouse;
2133 v = VariantBughouse;
2139 /* Not quite the same as FICS suicide! */
2140 v = VariantGiveaway;
2146 v = VariantShatranj;
2149 /* Temporary names for future ICC types. The name *will* change in
2150 the next xboard/WinBoard release after ICC defines it. */
2188 v = VariantCapablanca;
2191 v = VariantKnightmate;
2197 v = VariantCylinder;
2203 v = VariantCapaRandom;
2206 v = VariantBerolina;
2218 /* Found "wild" or "w" in the string but no number;
2219 must assume it's normal chess. */
2223 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2224 if( (len >= MSG_SIZ) && appData.debugMode )
2225 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2227 DisplayError(buf, 0);
2233 if (appData.debugMode) {
2234 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2235 e, wnum, VariantName(v));
2240 static int leftover_start = 0, leftover_len = 0;
2241 char star_match[STAR_MATCH_N][MSG_SIZ];
2243 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2244 advance *index beyond it, and set leftover_start to the new value of
2245 *index; else return FALSE. If pattern contains the character '*', it
2246 matches any sequence of characters not containing '\r', '\n', or the
2247 character following the '*' (if any), and the matched sequence(s) are
2248 copied into star_match.
2251 looking_at ( char *buf, int *index, char *pattern)
2253 char *bufp = &buf[*index], *patternp = pattern;
2255 char *matchp = star_match[0];
2258 if (*patternp == NULLCHAR) {
2259 *index = leftover_start = bufp - buf;
2263 if (*bufp == NULLCHAR) return FALSE;
2264 if (*patternp == '*') {
2265 if (*bufp == *(patternp + 1)) {
2267 matchp = star_match[++star_count];
2271 } else if (*bufp == '\n' || *bufp == '\r') {
2273 if (*patternp == NULLCHAR)
2278 *matchp++ = *bufp++;
2282 if (*patternp != *bufp) return FALSE;
2289 SendToPlayer (char *data, int length)
2291 int error, outCount;
2292 outCount = OutputToProcess(NoProc, data, length, &error);
2293 if (outCount < length) {
2294 DisplayFatalError(_("Error writing to display"), error, 1);
2299 PackHolding (char packed[], char *holding)
2309 switch (runlength) {
2320 sprintf(q, "%d", runlength);
2332 /* Telnet protocol requests from the front end */
2334 TelnetRequest (unsigned char ddww, unsigned char option)
2336 unsigned char msg[3];
2337 int outCount, outError;
2339 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2341 if (appData.debugMode) {
2342 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2358 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2367 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2370 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2375 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2377 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2384 if (!appData.icsActive) return;
2385 TelnetRequest(TN_DO, TN_ECHO);
2391 if (!appData.icsActive) return;
2392 TelnetRequest(TN_DONT, TN_ECHO);
2396 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2398 /* put the holdings sent to us by the server on the board holdings area */
2399 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2403 if(gameInfo.holdingsWidth < 2) return;
2404 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2405 return; // prevent overwriting by pre-board holdings
2407 if( (int)lowestPiece >= BlackPawn ) {
2410 holdingsStartRow = BOARD_HEIGHT-1;
2413 holdingsColumn = BOARD_WIDTH-1;
2414 countsColumn = BOARD_WIDTH-2;
2415 holdingsStartRow = 0;
2419 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2420 board[i][holdingsColumn] = EmptySquare;
2421 board[i][countsColumn] = (ChessSquare) 0;
2423 while( (p=*holdings++) != NULLCHAR ) {
2424 piece = CharToPiece( ToUpper(p) );
2425 if(piece == EmptySquare) continue;
2426 /*j = (int) piece - (int) WhitePawn;*/
2427 j = PieceToNumber(piece);
2428 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2429 if(j < 0) continue; /* should not happen */
2430 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2431 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2432 board[holdingsStartRow+j*direction][countsColumn]++;
2438 VariantSwitch (Board board, VariantClass newVariant)
2440 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2441 static Board oldBoard;
2443 startedFromPositionFile = FALSE;
2444 if(gameInfo.variant == newVariant) return;
2446 /* [HGM] This routine is called each time an assignment is made to
2447 * gameInfo.variant during a game, to make sure the board sizes
2448 * are set to match the new variant. If that means adding or deleting
2449 * holdings, we shift the playing board accordingly
2450 * This kludge is needed because in ICS observe mode, we get boards
2451 * of an ongoing game without knowing the variant, and learn about the
2452 * latter only later. This can be because of the move list we requested,
2453 * in which case the game history is refilled from the beginning anyway,
2454 * but also when receiving holdings of a crazyhouse game. In the latter
2455 * case we want to add those holdings to the already received position.
2459 if (appData.debugMode) {
2460 fprintf(debugFP, "Switch board from %s to %s\n",
2461 VariantName(gameInfo.variant), VariantName(newVariant));
2462 setbuf(debugFP, NULL);
2464 shuffleOpenings = 0; /* [HGM] shuffle */
2465 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2469 newWidth = 9; newHeight = 9;
2470 gameInfo.holdingsSize = 7;
2471 case VariantBughouse:
2472 case VariantCrazyhouse:
2473 newHoldingsWidth = 2; break;
2477 newHoldingsWidth = 2;
2478 gameInfo.holdingsSize = 8;
2481 case VariantCapablanca:
2482 case VariantCapaRandom:
2485 newHoldingsWidth = gameInfo.holdingsSize = 0;
2488 if(newWidth != gameInfo.boardWidth ||
2489 newHeight != gameInfo.boardHeight ||
2490 newHoldingsWidth != gameInfo.holdingsWidth ) {
2492 /* shift position to new playing area, if needed */
2493 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2494 for(i=0; i<BOARD_HEIGHT; i++)
2495 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2496 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2498 for(i=0; i<newHeight; i++) {
2499 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2500 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2502 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2503 for(i=0; i<BOARD_HEIGHT; i++)
2504 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2505 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2508 board[HOLDINGS_SET] = 0;
2509 gameInfo.boardWidth = newWidth;
2510 gameInfo.boardHeight = newHeight;
2511 gameInfo.holdingsWidth = newHoldingsWidth;
2512 gameInfo.variant = newVariant;
2513 InitDrawingSizes(-2, 0);
2514 } else gameInfo.variant = newVariant;
2515 CopyBoard(oldBoard, board); // remember correctly formatted board
2516 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2517 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2520 static int loggedOn = FALSE;
2522 /*-- Game start info cache: --*/
2524 char gs_kind[MSG_SIZ];
2525 static char player1Name[128] = "";
2526 static char player2Name[128] = "";
2527 static char cont_seq[] = "\n\\ ";
2528 static int player1Rating = -1;
2529 static int player2Rating = -1;
2530 /*----------------------------*/
2532 ColorClass curColor = ColorNormal;
2533 int suppressKibitz = 0;
2536 Boolean soughtPending = FALSE;
2537 Boolean seekGraphUp;
2538 #define MAX_SEEK_ADS 200
2540 char *seekAdList[MAX_SEEK_ADS];
2541 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2542 float tcList[MAX_SEEK_ADS];
2543 char colorList[MAX_SEEK_ADS];
2544 int nrOfSeekAds = 0;
2545 int minRating = 1010, maxRating = 2800;
2546 int hMargin = 10, vMargin = 20, h, w;
2547 extern int squareSize, lineGap;
2552 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2553 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2554 if(r < minRating+100 && r >=0 ) r = minRating+100;
2555 if(r > maxRating) r = maxRating;
2556 if(tc < 1.f) tc = 1.f;
2557 if(tc > 95.f) tc = 95.f;
2558 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2559 y = ((double)r - minRating)/(maxRating - minRating)
2560 * (h-vMargin-squareSize/8-1) + vMargin;
2561 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2562 if(strstr(seekAdList[i], " u ")) color = 1;
2563 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2564 !strstr(seekAdList[i], "bullet") &&
2565 !strstr(seekAdList[i], "blitz") &&
2566 !strstr(seekAdList[i], "standard") ) color = 2;
2567 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2568 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2572 PlotSingleSeekAd (int i)
2578 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2580 char buf[MSG_SIZ], *ext = "";
2581 VariantClass v = StringToVariant(type);
2582 if(strstr(type, "wild")) {
2583 ext = type + 4; // append wild number
2584 if(v == VariantFischeRandom) type = "chess960"; else
2585 if(v == VariantLoadable) type = "setup"; else
2586 type = VariantName(v);
2588 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2589 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2590 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2591 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2592 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2593 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2594 seekNrList[nrOfSeekAds] = nr;
2595 zList[nrOfSeekAds] = 0;
2596 seekAdList[nrOfSeekAds++] = StrSave(buf);
2597 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2602 EraseSeekDot (int i)
2604 int x = xList[i], y = yList[i], d=squareSize/4, k;
2605 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2606 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2607 // now replot every dot that overlapped
2608 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2609 int xx = xList[k], yy = yList[k];
2610 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2611 DrawSeekDot(xx, yy, colorList[k]);
2616 RemoveSeekAd (int nr)
2619 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2621 if(seekAdList[i]) free(seekAdList[i]);
2622 seekAdList[i] = seekAdList[--nrOfSeekAds];
2623 seekNrList[i] = seekNrList[nrOfSeekAds];
2624 ratingList[i] = ratingList[nrOfSeekAds];
2625 colorList[i] = colorList[nrOfSeekAds];
2626 tcList[i] = tcList[nrOfSeekAds];
2627 xList[i] = xList[nrOfSeekAds];
2628 yList[i] = yList[nrOfSeekAds];
2629 zList[i] = zList[nrOfSeekAds];
2630 seekAdList[nrOfSeekAds] = NULL;
2636 MatchSoughtLine (char *line)
2638 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2639 int nr, base, inc, u=0; char dummy;
2641 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2642 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2644 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2645 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2646 // match: compact and save the line
2647 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2657 if(!seekGraphUp) return FALSE;
2658 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2659 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2661 DrawSeekBackground(0, 0, w, h);
2662 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2663 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2664 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2665 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2667 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2670 snprintf(buf, MSG_SIZ, "%d", i);
2671 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2674 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2675 for(i=1; i<100; i+=(i<10?1:5)) {
2676 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2677 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2678 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2680 snprintf(buf, MSG_SIZ, "%d", i);
2681 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2684 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2689 SeekGraphClick (ClickType click, int x, int y, int moving)
2691 static int lastDown = 0, displayed = 0, lastSecond;
2692 if(y < 0) return FALSE;
2693 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2694 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2695 if(!seekGraphUp) return FALSE;
2696 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2697 DrawPosition(TRUE, NULL);
2700 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2701 if(click == Release || moving) return FALSE;
2703 soughtPending = TRUE;
2704 SendToICS(ics_prefix);
2705 SendToICS("sought\n"); // should this be "sought all"?
2706 } else { // issue challenge based on clicked ad
2707 int dist = 10000; int i, closest = 0, second = 0;
2708 for(i=0; i<nrOfSeekAds; i++) {
2709 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2710 if(d < dist) { dist = d; closest = i; }
2711 second += (d - zList[i] < 120); // count in-range ads
2712 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2716 second = (second > 1);
2717 if(displayed != closest || second != lastSecond) {
2718 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2719 lastSecond = second; displayed = closest;
2721 if(click == Press) {
2722 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2725 } // on press 'hit', only show info
2726 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2727 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2728 SendToICS(ics_prefix);
2730 return TRUE; // let incoming board of started game pop down the graph
2731 } else if(click == Release) { // release 'miss' is ignored
2732 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2733 if(moving == 2) { // right up-click
2734 nrOfSeekAds = 0; // refresh graph
2735 soughtPending = TRUE;
2736 SendToICS(ics_prefix);
2737 SendToICS("sought\n"); // should this be "sought all"?
2740 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2741 // press miss or release hit 'pop down' seek graph
2742 seekGraphUp = FALSE;
2743 DrawPosition(TRUE, NULL);
2749 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2751 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2752 #define STARTED_NONE 0
2753 #define STARTED_MOVES 1
2754 #define STARTED_BOARD 2
2755 #define STARTED_OBSERVE 3
2756 #define STARTED_HOLDINGS 4
2757 #define STARTED_CHATTER 5
2758 #define STARTED_COMMENT 6
2759 #define STARTED_MOVES_NOHIDE 7
2761 static int started = STARTED_NONE;
2762 static char parse[20000];
2763 static int parse_pos = 0;
2764 static char buf[BUF_SIZE + 1];
2765 static int firstTime = TRUE, intfSet = FALSE;
2766 static ColorClass prevColor = ColorNormal;
2767 static int savingComment = FALSE;
2768 static int cmatch = 0; // continuation sequence match
2775 int backup; /* [DM] For zippy color lines */
2777 char talker[MSG_SIZ]; // [HGM] chat
2780 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2782 if (appData.debugMode) {
2784 fprintf(debugFP, "<ICS: ");
2785 show_bytes(debugFP, data, count);
2786 fprintf(debugFP, "\n");
2790 if (appData.debugMode) { int f = forwardMostMove;
2791 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2792 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2793 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2796 /* If last read ended with a partial line that we couldn't parse,
2797 prepend it to the new read and try again. */
2798 if (leftover_len > 0) {
2799 for (i=0; i<leftover_len; i++)
2800 buf[i] = buf[leftover_start + i];
2803 /* copy new characters into the buffer */
2804 bp = buf + leftover_len;
2805 buf_len=leftover_len;
2806 for (i=0; i<count; i++)
2809 if (data[i] == '\r')
2812 // join lines split by ICS?
2813 if (!appData.noJoin)
2816 Joining just consists of finding matches against the
2817 continuation sequence, and discarding that sequence
2818 if found instead of copying it. So, until a match
2819 fails, there's nothing to do since it might be the
2820 complete sequence, and thus, something we don't want
2823 if (data[i] == cont_seq[cmatch])
2826 if (cmatch == strlen(cont_seq))
2828 cmatch = 0; // complete match. just reset the counter
2831 it's possible for the ICS to not include the space
2832 at the end of the last word, making our [correct]
2833 join operation fuse two separate words. the server
2834 does this when the space occurs at the width setting.
2836 if (!buf_len || buf[buf_len-1] != ' ')
2847 match failed, so we have to copy what matched before
2848 falling through and copying this character. In reality,
2849 this will only ever be just the newline character, but
2850 it doesn't hurt to be precise.
2852 strncpy(bp, cont_seq, cmatch);
2864 buf[buf_len] = NULLCHAR;
2865 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2870 while (i < buf_len) {
2871 /* Deal with part of the TELNET option negotiation
2872 protocol. We refuse to do anything beyond the
2873 defaults, except that we allow the WILL ECHO option,
2874 which ICS uses to turn off password echoing when we are
2875 directly connected to it. We reject this option
2876 if localLineEditing mode is on (always on in xboard)
2877 and we are talking to port 23, which might be a real
2878 telnet server that will try to keep WILL ECHO on permanently.
2880 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2881 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2882 unsigned char option;
2884 switch ((unsigned char) buf[++i]) {
2886 if (appData.debugMode)
2887 fprintf(debugFP, "\n<WILL ");
2888 switch (option = (unsigned char) buf[++i]) {
2890 if (appData.debugMode)
2891 fprintf(debugFP, "ECHO ");
2892 /* Reply only if this is a change, according
2893 to the protocol rules. */
2894 if (remoteEchoOption) break;
2895 if (appData.localLineEditing &&
2896 atoi(appData.icsPort) == TN_PORT) {
2897 TelnetRequest(TN_DONT, TN_ECHO);
2900 TelnetRequest(TN_DO, TN_ECHO);
2901 remoteEchoOption = TRUE;
2905 if (appData.debugMode)
2906 fprintf(debugFP, "%d ", option);
2907 /* Whatever this is, we don't want it. */
2908 TelnetRequest(TN_DONT, option);
2913 if (appData.debugMode)
2914 fprintf(debugFP, "\n<WONT ");
2915 switch (option = (unsigned char) buf[++i]) {
2917 if (appData.debugMode)
2918 fprintf(debugFP, "ECHO ");
2919 /* Reply only if this is a change, according
2920 to the protocol rules. */
2921 if (!remoteEchoOption) break;
2923 TelnetRequest(TN_DONT, TN_ECHO);
2924 remoteEchoOption = FALSE;
2927 if (appData.debugMode)
2928 fprintf(debugFP, "%d ", (unsigned char) option);
2929 /* Whatever this is, it must already be turned
2930 off, because we never agree to turn on
2931 anything non-default, so according to the
2932 protocol rules, we don't reply. */
2937 if (appData.debugMode)
2938 fprintf(debugFP, "\n<DO ");
2939 switch (option = (unsigned char) buf[++i]) {
2941 /* Whatever this is, we refuse to do it. */
2942 if (appData.debugMode)
2943 fprintf(debugFP, "%d ", option);
2944 TelnetRequest(TN_WONT, option);
2949 if (appData.debugMode)
2950 fprintf(debugFP, "\n<DONT ");
2951 switch (option = (unsigned char) buf[++i]) {
2953 if (appData.debugMode)
2954 fprintf(debugFP, "%d ", option);
2955 /* Whatever this is, we are already not doing
2956 it, because we never agree to do anything
2957 non-default, so according to the protocol
2958 rules, we don't reply. */
2963 if (appData.debugMode)
2964 fprintf(debugFP, "\n<IAC ");
2965 /* Doubled IAC; pass it through */
2969 if (appData.debugMode)
2970 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2971 /* Drop all other telnet commands on the floor */
2974 if (oldi > next_out)
2975 SendToPlayer(&buf[next_out], oldi - next_out);
2981 /* OK, this at least will *usually* work */
2982 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2986 if (loggedOn && !intfSet) {
2987 if (ics_type == ICS_ICC) {
2988 snprintf(str, MSG_SIZ,
2989 "/set-quietly interface %s\n/set-quietly style 12\n",
2991 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2992 strcat(str, "/set-2 51 1\n/set seek 1\n");
2993 } else if (ics_type == ICS_CHESSNET) {
2994 snprintf(str, MSG_SIZ, "/style 12\n");
2996 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2997 strcat(str, programVersion);
2998 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2999 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3000 strcat(str, "$iset seekremove 1\n$set seek 1\n");
3002 strcat(str, "$iset nohighlight 1\n");
3004 strcat(str, "$iset lock 1\n$style 12\n");
3007 NotifyFrontendLogin();
3011 if (started == STARTED_COMMENT) {
3012 /* Accumulate characters in comment */
3013 parse[parse_pos++] = buf[i];
3014 if (buf[i] == '\n') {
3015 parse[parse_pos] = NULLCHAR;
3016 if(chattingPartner>=0) {
3018 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
3019 OutputChatMessage(chattingPartner, mess);
3020 chattingPartner = -1;
3021 next_out = i+1; // [HGM] suppress printing in ICS window
3023 if(!suppressKibitz) // [HGM] kibitz
3024 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3025 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3026 int nrDigit = 0, nrAlph = 0, j;
3027 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3028 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3029 parse[parse_pos] = NULLCHAR;
3030 // try to be smart: if it does not look like search info, it should go to
3031 // ICS interaction window after all, not to engine-output window.
3032 for(j=0; j<parse_pos; j++) { // count letters and digits
3033 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3034 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3035 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3037 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3038 int depth=0; float score;
3039 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3040 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3041 pvInfoList[forwardMostMove-1].depth = depth;
3042 pvInfoList[forwardMostMove-1].score = 100*score;
3044 OutputKibitz(suppressKibitz, parse);
3047 if(gameMode == IcsObserving) // restore original ICS messages
3048 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3049 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3051 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3052 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3053 SendToPlayer(tmp, strlen(tmp));
3055 next_out = i+1; // [HGM] suppress printing in ICS window
3057 started = STARTED_NONE;
3059 /* Don't match patterns against characters in comment */
3064 if (started == STARTED_CHATTER) {
3065 if (buf[i] != '\n') {
3066 /* Don't match patterns against characters in chatter */
3070 started = STARTED_NONE;
3071 if(suppressKibitz) next_out = i+1;
3074 /* Kludge to deal with rcmd protocol */
3075 if (firstTime && looking_at(buf, &i, "\001*")) {
3076 DisplayFatalError(&buf[1], 0, 1);
3082 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3085 if (appData.debugMode)
3086 fprintf(debugFP, "ics_type %d\n", ics_type);
3089 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3090 ics_type = ICS_FICS;
3092 if (appData.debugMode)
3093 fprintf(debugFP, "ics_type %d\n", ics_type);
3096 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3097 ics_type = ICS_CHESSNET;
3099 if (appData.debugMode)
3100 fprintf(debugFP, "ics_type %d\n", ics_type);
3105 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3106 looking_at(buf, &i, "Logging you in as \"*\"") ||
3107 looking_at(buf, &i, "will be \"*\""))) {
3108 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3112 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3114 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3115 DisplayIcsInteractionTitle(buf);
3116 have_set_title = TRUE;
3119 /* skip finger notes */
3120 if (started == STARTED_NONE &&
3121 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3122 (buf[i] == '1' && buf[i+1] == '0')) &&
3123 buf[i+2] == ':' && buf[i+3] == ' ') {
3124 started = STARTED_CHATTER;
3130 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3131 if(appData.seekGraph) {
3132 if(soughtPending && MatchSoughtLine(buf+i)) {
3133 i = strstr(buf+i, "rated") - buf;
3134 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3135 next_out = leftover_start = i;
3136 started = STARTED_CHATTER;
3137 suppressKibitz = TRUE;
3140 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3141 && looking_at(buf, &i, "* ads displayed")) {
3142 soughtPending = FALSE;
3147 if(appData.autoRefresh) {
3148 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3149 int s = (ics_type == ICS_ICC); // ICC format differs
3151 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3152 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3153 looking_at(buf, &i, "*% "); // eat prompt
3154 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3155 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3156 next_out = i; // suppress
3159 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3160 char *p = star_match[0];
3162 if(seekGraphUp) RemoveSeekAd(atoi(p));
3163 while(*p && *p++ != ' '); // next
3165 looking_at(buf, &i, "*% "); // eat prompt
3166 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3173 /* skip formula vars */
3174 if (started == STARTED_NONE &&
3175 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3176 started = STARTED_CHATTER;
3181 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3182 if (appData.autoKibitz && started == STARTED_NONE &&
3183 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3184 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3185 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3186 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3187 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3188 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3189 suppressKibitz = TRUE;
3190 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3192 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3193 && (gameMode == IcsPlayingWhite)) ||
3194 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3195 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3196 started = STARTED_CHATTER; // own kibitz we simply discard
3198 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3199 parse_pos = 0; parse[0] = NULLCHAR;
3200 savingComment = TRUE;
3201 suppressKibitz = gameMode != IcsObserving ? 2 :
3202 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3206 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3207 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3208 && atoi(star_match[0])) {
3209 // suppress the acknowledgements of our own autoKibitz
3211 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3212 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3213 SendToPlayer(star_match[0], strlen(star_match[0]));
3214 if(looking_at(buf, &i, "*% ")) // eat prompt
3215 suppressKibitz = FALSE;
3219 } // [HGM] kibitz: end of patch
3221 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3223 // [HGM] chat: intercept tells by users for which we have an open chat window
3225 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3226 looking_at(buf, &i, "* whispers:") ||
3227 looking_at(buf, &i, "* kibitzes:") ||
3228 looking_at(buf, &i, "* shouts:") ||
3229 looking_at(buf, &i, "* c-shouts:") ||
3230 looking_at(buf, &i, "--> * ") ||
3231 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3232 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3233 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3234 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3236 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3237 chattingPartner = -1;
3239 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3240 for(p=0; p<MAX_CHAT; p++) {
3241 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3242 talker[0] = '['; strcat(talker, "] ");
3243 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3244 chattingPartner = p; break;
3247 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3248 for(p=0; p<MAX_CHAT; p++) {
3249 if(!strcmp("kibitzes", chatPartner[p])) {
3250 talker[0] = '['; strcat(talker, "] ");
3251 chattingPartner = p; break;
3254 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3255 for(p=0; p<MAX_CHAT; p++) {
3256 if(!strcmp("whispers", chatPartner[p])) {
3257 talker[0] = '['; strcat(talker, "] ");
3258 chattingPartner = p; break;
3261 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3262 if(buf[i-8] == '-' && buf[i-3] == 't')
3263 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3264 if(!strcmp("c-shouts", chatPartner[p])) {
3265 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3266 chattingPartner = p; break;
3269 if(chattingPartner < 0)
3270 for(p=0; p<MAX_CHAT; p++) {
3271 if(!strcmp("shouts", chatPartner[p])) {
3272 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3273 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3274 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3275 chattingPartner = p; break;
3279 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3280 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3281 talker[0] = 0; Colorize(ColorTell, FALSE);
3282 chattingPartner = p; break;
3284 if(chattingPartner<0) i = oldi; else {
3285 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3286 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3287 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3288 started = STARTED_COMMENT;
3289 parse_pos = 0; parse[0] = NULLCHAR;
3290 savingComment = 3 + chattingPartner; // counts as TRUE
3291 suppressKibitz = TRUE;
3294 } // [HGM] chat: end of patch
3297 if (appData.zippyTalk || appData.zippyPlay) {
3298 /* [DM] Backup address for color zippy lines */
3300 if (loggedOn == TRUE)
3301 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3302 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3304 } // [DM] 'else { ' deleted
3306 /* Regular tells and says */
3307 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3308 looking_at(buf, &i, "* (your partner) tells you: ") ||
3309 looking_at(buf, &i, "* says: ") ||
3310 /* Don't color "message" or "messages" output */
3311 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3312 looking_at(buf, &i, "*. * at *:*: ") ||
3313 looking_at(buf, &i, "--* (*:*): ") ||
3314 /* Message notifications (same color as tells) */
3315 looking_at(buf, &i, "* has left a message ") ||
3316 looking_at(buf, &i, "* just sent you a message:\n") ||
3317 /* Whispers and kibitzes */
3318 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3319 looking_at(buf, &i, "* kibitzes: ") ||
3321 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3323 if (tkind == 1 && strchr(star_match[0], ':')) {
3324 /* Avoid "tells you:" spoofs in channels */
3327 if (star_match[0][0] == NULLCHAR ||
3328 strchr(star_match[0], ' ') ||
3329 (tkind == 3 && strchr(star_match[1], ' '))) {
3330 /* Reject bogus matches */
3333 if (appData.colorize) {
3334 if (oldi > next_out) {
3335 SendToPlayer(&buf[next_out], oldi - next_out);
3340 Colorize(ColorTell, FALSE);
3341 curColor = ColorTell;
3344 Colorize(ColorKibitz, FALSE);
3345 curColor = ColorKibitz;
3348 p = strrchr(star_match[1], '(');
3355 Colorize(ColorChannel1, FALSE);
3356 curColor = ColorChannel1;
3358 Colorize(ColorChannel, FALSE);
3359 curColor = ColorChannel;
3363 curColor = ColorNormal;
3367 if (started == STARTED_NONE && appData.autoComment &&
3368 (gameMode == IcsObserving ||
3369 gameMode == IcsPlayingWhite ||
3370 gameMode == IcsPlayingBlack)) {
3371 parse_pos = i - oldi;
3372 memcpy(parse, &buf[oldi], parse_pos);
3373 parse[parse_pos] = NULLCHAR;
3374 started = STARTED_COMMENT;
3375 savingComment = TRUE;
3377 started = STARTED_CHATTER;
3378 savingComment = FALSE;
3385 if (looking_at(buf, &i, "* s-shouts: ") ||
3386 looking_at(buf, &i, "* c-shouts: ")) {
3387 if (appData.colorize) {
3388 if (oldi > next_out) {
3389 SendToPlayer(&buf[next_out], oldi - next_out);
3392 Colorize(ColorSShout, FALSE);
3393 curColor = ColorSShout;
3396 started = STARTED_CHATTER;
3400 if (looking_at(buf, &i, "--->")) {
3405 if (looking_at(buf, &i, "* shouts: ") ||
3406 looking_at(buf, &i, "--> ")) {
3407 if (appData.colorize) {
3408 if (oldi > next_out) {
3409 SendToPlayer(&buf[next_out], oldi - next_out);
3412 Colorize(ColorShout, FALSE);
3413 curColor = ColorShout;
3416 started = STARTED_CHATTER;
3420 if (looking_at( buf, &i, "Challenge:")) {
3421 if (appData.colorize) {
3422 if (oldi > next_out) {
3423 SendToPlayer(&buf[next_out], oldi - next_out);
3426 Colorize(ColorChallenge, FALSE);
3427 curColor = ColorChallenge;
3433 if (looking_at(buf, &i, "* offers you") ||
3434 looking_at(buf, &i, "* offers to be") ||
3435 looking_at(buf, &i, "* would like to") ||
3436 looking_at(buf, &i, "* requests to") ||
3437 looking_at(buf, &i, "Your opponent offers") ||
3438 looking_at(buf, &i, "Your opponent requests")) {
3440 if (appData.colorize) {
3441 if (oldi > next_out) {
3442 SendToPlayer(&buf[next_out], oldi - next_out);
3445 Colorize(ColorRequest, FALSE);
3446 curColor = ColorRequest;
3451 if (looking_at(buf, &i, "* (*) seeking")) {
3452 if (appData.colorize) {
3453 if (oldi > next_out) {
3454 SendToPlayer(&buf[next_out], oldi - next_out);
3457 Colorize(ColorSeek, FALSE);
3458 curColor = ColorSeek;
3463 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3465 if (looking_at(buf, &i, "\\ ")) {
3466 if (prevColor != ColorNormal) {
3467 if (oldi > next_out) {
3468 SendToPlayer(&buf[next_out], oldi - next_out);
3471 Colorize(prevColor, TRUE);
3472 curColor = prevColor;
3474 if (savingComment) {
3475 parse_pos = i - oldi;
3476 memcpy(parse, &buf[oldi], parse_pos);
3477 parse[parse_pos] = NULLCHAR;
3478 started = STARTED_COMMENT;
3479 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3480 chattingPartner = savingComment - 3; // kludge to remember the box
3482 started = STARTED_CHATTER;
3487 if (looking_at(buf, &i, "Black Strength :") ||
3488 looking_at(buf, &i, "<<< style 10 board >>>") ||
3489 looking_at(buf, &i, "<10>") ||
3490 looking_at(buf, &i, "#@#")) {
3491 /* Wrong board style */
3493 SendToICS(ics_prefix);
3494 SendToICS("set style 12\n");
3495 SendToICS(ics_prefix);
3496 SendToICS("refresh\n");
3500 if (looking_at(buf, &i, "login:")) {
3501 if (!have_sent_ICS_logon) {
3503 have_sent_ICS_logon = 1;
3504 else // no init script was found
3505 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3506 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3507 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3512 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3513 (looking_at(buf, &i, "\n<12> ") ||
3514 looking_at(buf, &i, "<12> "))) {
3516 if (oldi > next_out) {
3517 SendToPlayer(&buf[next_out], oldi - next_out);
3520 started = STARTED_BOARD;
3525 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3526 looking_at(buf, &i, "<b1> ")) {
3527 if (oldi > next_out) {
3528 SendToPlayer(&buf[next_out], oldi - next_out);
3531 started = STARTED_HOLDINGS;
3536 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3538 /* Header for a move list -- first line */
3540 switch (ics_getting_history) {
3544 case BeginningOfGame:
3545 /* User typed "moves" or "oldmoves" while we
3546 were idle. Pretend we asked for these
3547 moves and soak them up so user can step
3548 through them and/or save them.
3551 gameMode = IcsObserving;
3554 ics_getting_history = H_GOT_UNREQ_HEADER;
3556 case EditGame: /*?*/
3557 case EditPosition: /*?*/
3558 /* Should above feature work in these modes too? */
3559 /* For now it doesn't */
3560 ics_getting_history = H_GOT_UNWANTED_HEADER;
3563 ics_getting_history = H_GOT_UNWANTED_HEADER;
3568 /* Is this the right one? */
3569 if (gameInfo.white && gameInfo.black &&
3570 strcmp(gameInfo.white, star_match[0]) == 0 &&
3571 strcmp(gameInfo.black, star_match[2]) == 0) {
3573 ics_getting_history = H_GOT_REQ_HEADER;
3576 case H_GOT_REQ_HEADER:
3577 case H_GOT_UNREQ_HEADER:
3578 case H_GOT_UNWANTED_HEADER:
3579 case H_GETTING_MOVES:
3580 /* Should not happen */
3581 DisplayError(_("Error gathering move list: two headers"), 0);
3582 ics_getting_history = H_FALSE;
3586 /* Save player ratings into gameInfo if needed */
3587 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3588 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3589 (gameInfo.whiteRating == -1 ||
3590 gameInfo.blackRating == -1)) {
3592 gameInfo.whiteRating = string_to_rating(star_match[1]);
3593 gameInfo.blackRating = string_to_rating(star_match[3]);
3594 if (appData.debugMode)
3595 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3596 gameInfo.whiteRating, gameInfo.blackRating);
3601 if (looking_at(buf, &i,
3602 "* * match, initial time: * minute*, increment: * second")) {
3603 /* Header for a move list -- second line */
3604 /* Initial board will follow if this is a wild game */
3605 if (gameInfo.event != NULL) free(gameInfo.event);
3606 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3607 gameInfo.event = StrSave(str);
3608 /* [HGM] we switched variant. Translate boards if needed. */
3609 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3613 if (looking_at(buf, &i, "Move ")) {
3614 /* Beginning of a move list */
3615 switch (ics_getting_history) {
3617 /* Normally should not happen */
3618 /* Maybe user hit reset while we were parsing */
3621 /* Happens if we are ignoring a move list that is not
3622 * the one we just requested. Common if the user
3623 * tries to observe two games without turning off
3626 case H_GETTING_MOVES:
3627 /* Should not happen */
3628 DisplayError(_("Error gathering move list: nested"), 0);
3629 ics_getting_history = H_FALSE;
3631 case H_GOT_REQ_HEADER:
3632 ics_getting_history = H_GETTING_MOVES;
3633 started = STARTED_MOVES;
3635 if (oldi > next_out) {
3636 SendToPlayer(&buf[next_out], oldi - next_out);
3639 case H_GOT_UNREQ_HEADER:
3640 ics_getting_history = H_GETTING_MOVES;
3641 started = STARTED_MOVES_NOHIDE;
3644 case H_GOT_UNWANTED_HEADER:
3645 ics_getting_history = H_FALSE;
3651 if (looking_at(buf, &i, "% ") ||
3652 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3653 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3654 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3655 soughtPending = FALSE;
3659 if(suppressKibitz) next_out = i;
3660 savingComment = FALSE;
3664 case STARTED_MOVES_NOHIDE:
3665 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3666 parse[parse_pos + i - oldi] = NULLCHAR;
3667 ParseGameHistory(parse);
3669 if (appData.zippyPlay && first.initDone) {
3670 FeedMovesToProgram(&first, forwardMostMove);
3671 if (gameMode == IcsPlayingWhite) {
3672 if (WhiteOnMove(forwardMostMove)) {
3673 if (first.sendTime) {
3674 if (first.useColors) {
3675 SendToProgram("black\n", &first);
3677 SendTimeRemaining(&first, TRUE);
3679 if (first.useColors) {
3680 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3682 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3683 first.maybeThinking = TRUE;
3685 if (first.usePlayother) {
3686 if (first.sendTime) {
3687 SendTimeRemaining(&first, TRUE);
3689 SendToProgram("playother\n", &first);
3695 } else if (gameMode == IcsPlayingBlack) {
3696 if (!WhiteOnMove(forwardMostMove)) {
3697 if (first.sendTime) {
3698 if (first.useColors) {
3699 SendToProgram("white\n", &first);
3701 SendTimeRemaining(&first, FALSE);
3703 if (first.useColors) {
3704 SendToProgram("black\n", &first);
3706 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3707 first.maybeThinking = TRUE;
3709 if (first.usePlayother) {
3710 if (first.sendTime) {
3711 SendTimeRemaining(&first, FALSE);
3713 SendToProgram("playother\n", &first);
3722 if (gameMode == IcsObserving && ics_gamenum == -1) {
3723 /* Moves came from oldmoves or moves command
3724 while we weren't doing anything else.
3726 currentMove = forwardMostMove;
3727 ClearHighlights();/*!!could figure this out*/
3728 flipView = appData.flipView;
3729 DrawPosition(TRUE, boards[currentMove]);
3730 DisplayBothClocks();
3731 snprintf(str, MSG_SIZ, "%s %s %s",
3732 gameInfo.white, _("vs."), gameInfo.black);
3736 /* Moves were history of an active game */
3737 if (gameInfo.resultDetails != NULL) {
3738 free(gameInfo.resultDetails);
3739 gameInfo.resultDetails = NULL;
3742 HistorySet(parseList, backwardMostMove,
3743 forwardMostMove, currentMove-1);
3744 DisplayMove(currentMove - 1);
3745 if (started == STARTED_MOVES) next_out = i;
3746 started = STARTED_NONE;
3747 ics_getting_history = H_FALSE;
3750 case STARTED_OBSERVE:
3751 started = STARTED_NONE;
3752 SendToICS(ics_prefix);
3753 SendToICS("refresh\n");
3759 if(bookHit) { // [HGM] book: simulate book reply
3760 static char bookMove[MSG_SIZ]; // a bit generous?
3762 programStats.nodes = programStats.depth = programStats.time =
3763 programStats.score = programStats.got_only_move = 0;
3764 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3766 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3767 strcat(bookMove, bookHit);
3768 HandleMachineMove(bookMove, &first);
3773 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3774 started == STARTED_HOLDINGS ||
3775 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3776 /* Accumulate characters in move list or board */
3777 parse[parse_pos++] = buf[i];
3780 /* Start of game messages. Mostly we detect start of game
3781 when the first board image arrives. On some versions
3782 of the ICS, though, we need to do a "refresh" after starting
3783 to observe in order to get the current board right away. */
3784 if (looking_at(buf, &i, "Adding game * to observation list")) {
3785 started = STARTED_OBSERVE;
3789 /* Handle auto-observe */
3790 if (appData.autoObserve &&
3791 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3792 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3794 /* Choose the player that was highlighted, if any. */
3795 if (star_match[0][0] == '\033' ||
3796 star_match[1][0] != '\033') {
3797 player = star_match[0];
3799 player = star_match[2];
3801 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3802 ics_prefix, StripHighlightAndTitle(player));
3805 /* Save ratings from notify string */
3806 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3807 player1Rating = string_to_rating(star_match[1]);
3808 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3809 player2Rating = string_to_rating(star_match[3]);
3811 if (appData.debugMode)
3813 "Ratings from 'Game notification:' %s %d, %s %d\n",
3814 player1Name, player1Rating,
3815 player2Name, player2Rating);
3820 /* Deal with automatic examine mode after a game,
3821 and with IcsObserving -> IcsExamining transition */
3822 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3823 looking_at(buf, &i, "has made you an examiner of game *")) {
3825 int gamenum = atoi(star_match[0]);
3826 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3827 gamenum == ics_gamenum) {
3828 /* We were already playing or observing this game;
3829 no need to refetch history */
3830 gameMode = IcsExamining;
3832 pauseExamForwardMostMove = forwardMostMove;
3833 } else if (currentMove < forwardMostMove) {
3834 ForwardInner(forwardMostMove);
3837 /* I don't think this case really can happen */
3838 SendToICS(ics_prefix);
3839 SendToICS("refresh\n");
3844 /* Error messages */
3845 // if (ics_user_moved) {
3846 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3847 if (looking_at(buf, &i, "Illegal move") ||
3848 looking_at(buf, &i, "Not a legal move") ||
3849 looking_at(buf, &i, "Your king is in check") ||
3850 looking_at(buf, &i, "It isn't your turn") ||
3851 looking_at(buf, &i, "It is not your move")) {
3853 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3854 currentMove = forwardMostMove-1;
3855 DisplayMove(currentMove - 1); /* before DMError */
3856 DrawPosition(FALSE, boards[currentMove]);
3857 SwitchClocks(forwardMostMove-1); // [HGM] race
3858 DisplayBothClocks();
3860 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3866 if (looking_at(buf, &i, "still have time") ||
3867 looking_at(buf, &i, "not out of time") ||
3868 looking_at(buf, &i, "either player is out of time") ||
3869 looking_at(buf, &i, "has timeseal; checking")) {
3870 /* We must have called his flag a little too soon */
3871 whiteFlag = blackFlag = FALSE;
3875 if (looking_at(buf, &i, "added * seconds to") ||
3876 looking_at(buf, &i, "seconds were added to")) {
3877 /* Update the clocks */
3878 SendToICS(ics_prefix);
3879 SendToICS("refresh\n");
3883 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3884 ics_clock_paused = TRUE;
3889 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3890 ics_clock_paused = FALSE;
3895 /* Grab player ratings from the Creating: message.
3896 Note we have to check for the special case when
3897 the ICS inserts things like [white] or [black]. */
3898 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3899 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3901 0 player 1 name (not necessarily white)
3903 2 empty, white, or black (IGNORED)
3904 3 player 2 name (not necessarily black)
3907 The names/ratings are sorted out when the game
3908 actually starts (below).
3910 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3911 player1Rating = string_to_rating(star_match[1]);
3912 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3913 player2Rating = string_to_rating(star_match[4]);
3915 if (appData.debugMode)
3917 "Ratings from 'Creating:' %s %d, %s %d\n",
3918 player1Name, player1Rating,
3919 player2Name, player2Rating);
3924 /* Improved generic start/end-of-game messages */
3925 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3926 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3927 /* If tkind == 0: */
3928 /* star_match[0] is the game number */
3929 /* [1] is the white player's name */
3930 /* [2] is the black player's name */
3931 /* For end-of-game: */
3932 /* [3] is the reason for the game end */
3933 /* [4] is a PGN end game-token, preceded by " " */
3934 /* For start-of-game: */
3935 /* [3] begins with "Creating" or "Continuing" */
3936 /* [4] is " *" or empty (don't care). */
3937 int gamenum = atoi(star_match[0]);
3938 char *whitename, *blackname, *why, *endtoken;
3939 ChessMove endtype = EndOfFile;
3942 whitename = star_match[1];
3943 blackname = star_match[2];
3944 why = star_match[3];
3945 endtoken = star_match[4];
3947 whitename = star_match[1];
3948 blackname = star_match[3];
3949 why = star_match[5];
3950 endtoken = star_match[6];
3953 /* Game start messages */
3954 if (strncmp(why, "Creating ", 9) == 0 ||
3955 strncmp(why, "Continuing ", 11) == 0) {
3956 gs_gamenum = gamenum;
3957 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3958 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3959 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3961 if (appData.zippyPlay) {
3962 ZippyGameStart(whitename, blackname);
3965 partnerBoardValid = FALSE; // [HGM] bughouse
3969 /* Game end messages */
3970 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3971 ics_gamenum != gamenum) {
3974 while (endtoken[0] == ' ') endtoken++;
3975 switch (endtoken[0]) {
3978 endtype = GameUnfinished;
3981 endtype = BlackWins;
3984 if (endtoken[1] == '/')
3985 endtype = GameIsDrawn;
3987 endtype = WhiteWins;
3990 GameEnds(endtype, why, GE_ICS);
3992 if (appData.zippyPlay && first.initDone) {
3993 ZippyGameEnd(endtype, why);
3994 if (first.pr == NoProc) {
3995 /* Start the next process early so that we'll
3996 be ready for the next challenge */
3997 StartChessProgram(&first);
3999 /* Send "new" early, in case this command takes
4000 a long time to finish, so that we'll be ready
4001 for the next challenge. */
4002 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4006 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4010 if (looking_at(buf, &i, "Removing game * from observation") ||
4011 looking_at(buf, &i, "no longer observing game *") ||
4012 looking_at(buf, &i, "Game * (*) has no examiners")) {
4013 if (gameMode == IcsObserving &&
4014 atoi(star_match[0]) == ics_gamenum)
4016 /* icsEngineAnalyze */
4017 if (appData.icsEngineAnalyze) {
4024 ics_user_moved = FALSE;
4029 if (looking_at(buf, &i, "no longer examining game *")) {
4030 if (gameMode == IcsExamining &&
4031 atoi(star_match[0]) == ics_gamenum)
4035 ics_user_moved = FALSE;
4040 /* Advance leftover_start past any newlines we find,
4041 so only partial lines can get reparsed */
4042 if (looking_at(buf, &i, "\n")) {
4043 prevColor = curColor;
4044 if (curColor != ColorNormal) {
4045 if (oldi > next_out) {
4046 SendToPlayer(&buf[next_out], oldi - next_out);
4049 Colorize(ColorNormal, FALSE);
4050 curColor = ColorNormal;
4052 if (started == STARTED_BOARD) {
4053 started = STARTED_NONE;
4054 parse[parse_pos] = NULLCHAR;
4055 ParseBoard12(parse);
4058 /* Send premove here */
4059 if (appData.premove) {
4061 if (currentMove == 0 &&
4062 gameMode == IcsPlayingWhite &&
4063 appData.premoveWhite) {
4064 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4065 if (appData.debugMode)
4066 fprintf(debugFP, "Sending premove:\n");
4068 } else if (currentMove == 1 &&
4069 gameMode == IcsPlayingBlack &&
4070 appData.premoveBlack) {
4071 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4072 if (appData.debugMode)
4073 fprintf(debugFP, "Sending premove:\n");
4075 } else if (gotPremove) {
4077 ClearPremoveHighlights();
4078 if (appData.debugMode)
4079 fprintf(debugFP, "Sending premove:\n");
4080 UserMoveEvent(premoveFromX, premoveFromY,
4081 premoveToX, premoveToY,
4086 /* Usually suppress following prompt */
4087 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4088 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4089 if (looking_at(buf, &i, "*% ")) {
4090 savingComment = FALSE;
4095 } else if (started == STARTED_HOLDINGS) {
4097 char new_piece[MSG_SIZ];
4098 started = STARTED_NONE;
4099 parse[parse_pos] = NULLCHAR;
4100 if (appData.debugMode)
4101 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4102 parse, currentMove);
4103 if (sscanf(parse, " game %d", &gamenum) == 1) {
4104 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4105 if (gameInfo.variant == VariantNormal) {
4106 /* [HGM] We seem to switch variant during a game!
4107 * Presumably no holdings were displayed, so we have
4108 * to move the position two files to the right to
4109 * create room for them!
4111 VariantClass newVariant;
4112 switch(gameInfo.boardWidth) { // base guess on board width
4113 case 9: newVariant = VariantShogi; break;
4114 case 10: newVariant = VariantGreat; break;
4115 default: newVariant = VariantCrazyhouse; break;
4117 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4118 /* Get a move list just to see the header, which
4119 will tell us whether this is really bug or zh */
4120 if (ics_getting_history == H_FALSE) {
4121 ics_getting_history = H_REQUESTED;
4122 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4126 new_piece[0] = NULLCHAR;
4127 sscanf(parse, "game %d white [%s black [%s <- %s",
4128 &gamenum, white_holding, black_holding,
4130 white_holding[strlen(white_holding)-1] = NULLCHAR;
4131 black_holding[strlen(black_holding)-1] = NULLCHAR;
4132 /* [HGM] copy holdings to board holdings area */
4133 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4134 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4135 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4137 if (appData.zippyPlay && first.initDone) {
4138 ZippyHoldings(white_holding, black_holding,
4142 if (tinyLayout || smallLayout) {
4143 char wh[16], bh[16];
4144 PackHolding(wh, white_holding);
4145 PackHolding(bh, black_holding);
4146 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4147 gameInfo.white, gameInfo.black);
4149 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4150 gameInfo.white, white_holding, _("vs."),
4151 gameInfo.black, black_holding);
4153 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4154 DrawPosition(FALSE, boards[currentMove]);
4156 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4157 sscanf(parse, "game %d white [%s black [%s <- %s",
4158 &gamenum, white_holding, black_holding,
4160 white_holding[strlen(white_holding)-1] = NULLCHAR;
4161 black_holding[strlen(black_holding)-1] = NULLCHAR;
4162 /* [HGM] copy holdings to partner-board holdings area */
4163 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4164 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4165 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4166 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4167 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4170 /* Suppress following prompt */
4171 if (looking_at(buf, &i, "*% ")) {
4172 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4173 savingComment = FALSE;
4181 i++; /* skip unparsed character and loop back */
4184 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4185 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4186 // SendToPlayer(&buf[next_out], i - next_out);
4187 started != STARTED_HOLDINGS && leftover_start > next_out) {
4188 SendToPlayer(&buf[next_out], leftover_start - next_out);
4192 leftover_len = buf_len - leftover_start;
4193 /* if buffer ends with something we couldn't parse,
4194 reparse it after appending the next read */
4196 } else if (count == 0) {
4197 RemoveInputSource(isr);
4198 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4200 DisplayFatalError(_("Error reading from ICS"), error, 1);
4205 /* Board style 12 looks like this:
4207 <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
4209 * The "<12> " is stripped before it gets to this routine. The two
4210 * trailing 0's (flip state and clock ticking) are later addition, and
4211 * some chess servers may not have them, or may have only the first.
4212 * Additional trailing fields may be added in the future.
4215 #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"
4217 #define RELATION_OBSERVING_PLAYED 0
4218 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4219 #define RELATION_PLAYING_MYMOVE 1
4220 #define RELATION_PLAYING_NOTMYMOVE -1
4221 #define RELATION_EXAMINING 2
4222 #define RELATION_ISOLATED_BOARD -3
4223 #define RELATION_STARTING_POSITION -4 /* FICS only */
4226 ParseBoard12 (char *string)
4230 char *bookHit = NULL; // [HGM] book
4232 GameMode newGameMode;
4233 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4234 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4235 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4236 char to_play, board_chars[200];
4237 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4238 char black[32], white[32];
4240 int prevMove = currentMove;
4243 int fromX, fromY, toX, toY;
4245 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4246 Boolean weird = FALSE, reqFlag = FALSE;
4248 fromX = fromY = toX = toY = -1;
4252 if (appData.debugMode)
4253 fprintf(debugFP, "Parsing board: %s\n", string);
4255 move_str[0] = NULLCHAR;
4256 elapsed_time[0] = NULLCHAR;
4257 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4259 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4260 if(string[i] == ' ') { ranks++; files = 0; }
4262 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4265 for(j = 0; j <i; j++) board_chars[j] = string[j];
4266 board_chars[i] = '\0';
4269 n = sscanf(string, PATTERN, &to_play, &double_push,
4270 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4271 &gamenum, white, black, &relation, &basetime, &increment,
4272 &white_stren, &black_stren, &white_time, &black_time,
4273 &moveNum, str, elapsed_time, move_str, &ics_flip,
4277 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4278 DisplayError(str, 0);
4282 /* Convert the move number to internal form */
4283 moveNum = (moveNum - 1) * 2;
4284 if (to_play == 'B') moveNum++;
4285 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4286 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4292 case RELATION_OBSERVING_PLAYED:
4293 case RELATION_OBSERVING_STATIC:
4294 if (gamenum == -1) {
4295 /* Old ICC buglet */
4296 relation = RELATION_OBSERVING_STATIC;
4298 newGameMode = IcsObserving;
4300 case RELATION_PLAYING_MYMOVE:
4301 case RELATION_PLAYING_NOTMYMOVE:
4303 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4304 IcsPlayingWhite : IcsPlayingBlack;
4305 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4307 case RELATION_EXAMINING:
4308 newGameMode = IcsExamining;
4310 case RELATION_ISOLATED_BOARD:
4312 /* Just display this board. If user was doing something else,
4313 we will forget about it until the next board comes. */
4314 newGameMode = IcsIdle;
4316 case RELATION_STARTING_POSITION:
4317 newGameMode = gameMode;
4321 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4322 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4323 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4324 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4325 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4326 static int lastBgGame = -1;
4328 for (k = 0; k < ranks; k++) {
4329 for (j = 0; j < files; j++)
4330 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4331 if(gameInfo.holdingsWidth > 1) {
4332 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4333 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4336 CopyBoard(partnerBoard, board);
4337 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4338 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4339 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4340 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4341 if(toSqr = strchr(str, '-')) {
4342 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4343 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4344 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4345 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4346 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4347 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4349 DisplayWhiteClock(white_time*fac, to_play == 'W');
4350 DisplayBlackClock(black_time*fac, to_play != 'W');
4351 activePartner = to_play;
4352 if(gamenum != lastBgGame) {
4354 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4357 lastBgGame = gamenum;
4358 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4359 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4360 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4361 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4362 if(!twoBoards) DisplayMessage(partnerStatus, "");
4363 partnerBoardValid = TRUE;
4367 if(appData.dualBoard && appData.bgObserve) {
4368 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4369 SendToICS(ics_prefix), SendToICS("pobserve\n");
4370 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4372 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4377 /* Modify behavior for initial board display on move listing
4380 switch (ics_getting_history) {
4384 case H_GOT_REQ_HEADER:
4385 case H_GOT_UNREQ_HEADER:
4386 /* This is the initial position of the current game */
4387 gamenum = ics_gamenum;
4388 moveNum = 0; /* old ICS bug workaround */
4389 if (to_play == 'B') {
4390 startedFromSetupPosition = TRUE;
4391 blackPlaysFirst = TRUE;
4393 if (forwardMostMove == 0) forwardMostMove = 1;
4394 if (backwardMostMove == 0) backwardMostMove = 1;
4395 if (currentMove == 0) currentMove = 1;
4397 newGameMode = gameMode;
4398 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4400 case H_GOT_UNWANTED_HEADER:
4401 /* This is an initial board that we don't want */
4403 case H_GETTING_MOVES:
4404 /* Should not happen */
4405 DisplayError(_("Error gathering move list: extra board"), 0);
4406 ics_getting_history = H_FALSE;
4410 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4411 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4412 weird && (int)gameInfo.variant < (int)VariantShogi) {
4413 /* [HGM] We seem to have switched variant unexpectedly
4414 * Try to guess new variant from board size
4416 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4417 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4418 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4419 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4420 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4421 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4422 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4423 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4424 /* Get a move list just to see the header, which
4425 will tell us whether this is really bug or zh */
4426 if (ics_getting_history == H_FALSE) {
4427 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4428 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4433 /* Take action if this is the first board of a new game, or of a
4434 different game than is currently being displayed. */
4435 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4436 relation == RELATION_ISOLATED_BOARD) {
4438 /* Forget the old game and get the history (if any) of the new one */
4439 if (gameMode != BeginningOfGame) {
4443 if (appData.autoRaiseBoard) BoardToTop();
4445 if (gamenum == -1) {
4446 newGameMode = IcsIdle;
4447 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4448 appData.getMoveList && !reqFlag) {
4449 /* Need to get game history */
4450 ics_getting_history = H_REQUESTED;
4451 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4455 /* Initially flip the board to have black on the bottom if playing
4456 black or if the ICS flip flag is set, but let the user change
4457 it with the Flip View button. */
4458 flipView = appData.autoFlipView ?
4459 (newGameMode == IcsPlayingBlack) || ics_flip :
4462 /* Done with values from previous mode; copy in new ones */
4463 gameMode = newGameMode;
4465 ics_gamenum = gamenum;
4466 if (gamenum == gs_gamenum) {
4467 int klen = strlen(gs_kind);
4468 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4469 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4470 gameInfo.event = StrSave(str);
4472 gameInfo.event = StrSave("ICS game");
4474 gameInfo.site = StrSave(appData.icsHost);
4475 gameInfo.date = PGNDate();
4476 gameInfo.round = StrSave("-");
4477 gameInfo.white = StrSave(white);
4478 gameInfo.black = StrSave(black);
4479 timeControl = basetime * 60 * 1000;
4481 timeIncrement = increment * 1000;
4482 movesPerSession = 0;
4483 gameInfo.timeControl = TimeControlTagValue();
4484 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4485 if (appData.debugMode) {
4486 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4487 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4488 setbuf(debugFP, NULL);
4491 gameInfo.outOfBook = NULL;
4493 /* Do we have the ratings? */
4494 if (strcmp(player1Name, white) == 0 &&
4495 strcmp(player2Name, black) == 0) {
4496 if (appData.debugMode)
4497 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4498 player1Rating, player2Rating);
4499 gameInfo.whiteRating = player1Rating;
4500 gameInfo.blackRating = player2Rating;
4501 } else if (strcmp(player2Name, white) == 0 &&
4502 strcmp(player1Name, black) == 0) {
4503 if (appData.debugMode)
4504 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4505 player2Rating, player1Rating);
4506 gameInfo.whiteRating = player2Rating;
4507 gameInfo.blackRating = player1Rating;
4509 player1Name[0] = player2Name[0] = NULLCHAR;
4511 /* Silence shouts if requested */
4512 if (appData.quietPlay &&
4513 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4514 SendToICS(ics_prefix);
4515 SendToICS("set shout 0\n");
4519 /* Deal with midgame name changes */
4521 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4522 if (gameInfo.white) free(gameInfo.white);
4523 gameInfo.white = StrSave(white);
4525 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4526 if (gameInfo.black) free(gameInfo.black);
4527 gameInfo.black = StrSave(black);
4531 /* Throw away game result if anything actually changes in examine mode */
4532 if (gameMode == IcsExamining && !newGame) {
4533 gameInfo.result = GameUnfinished;
4534 if (gameInfo.resultDetails != NULL) {
4535 free(gameInfo.resultDetails);
4536 gameInfo.resultDetails = NULL;
4540 /* In pausing && IcsExamining mode, we ignore boards coming
4541 in if they are in a different variation than we are. */
4542 if (pauseExamInvalid) return;
4543 if (pausing && gameMode == IcsExamining) {
4544 if (moveNum <= pauseExamForwardMostMove) {
4545 pauseExamInvalid = TRUE;
4546 forwardMostMove = pauseExamForwardMostMove;
4551 if (appData.debugMode) {
4552 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4554 /* Parse the board */
4555 for (k = 0; k < ranks; k++) {
4556 for (j = 0; j < files; j++)
4557 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4558 if(gameInfo.holdingsWidth > 1) {
4559 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4560 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4563 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4564 board[5][BOARD_RGHT+1] = WhiteAngel;
4565 board[6][BOARD_RGHT+1] = WhiteMarshall;
4566 board[1][0] = BlackMarshall;
4567 board[2][0] = BlackAngel;
4568 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4570 CopyBoard(boards[moveNum], board);
4571 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4573 startedFromSetupPosition =
4574 !CompareBoards(board, initialPosition);
4575 if(startedFromSetupPosition)
4576 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4579 /* [HGM] Set castling rights. Take the outermost Rooks,
4580 to make it also work for FRC opening positions. Note that board12
4581 is really defective for later FRC positions, as it has no way to
4582 indicate which Rook can castle if they are on the same side of King.
4583 For the initial position we grant rights to the outermost Rooks,
4584 and remember thos rights, and we then copy them on positions
4585 later in an FRC game. This means WB might not recognize castlings with
4586 Rooks that have moved back to their original position as illegal,
4587 but in ICS mode that is not its job anyway.
4589 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4590 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4592 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4593 if(board[0][i] == WhiteRook) j = i;
4594 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4595 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4596 if(board[0][i] == WhiteRook) j = i;
4597 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4598 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4599 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4600 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4601 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4602 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4603 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4605 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4606 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4607 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4608 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4609 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4610 if(board[BOARD_HEIGHT-1][k] == bKing)
4611 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4612 if(gameInfo.variant == VariantTwoKings) {
4613 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4614 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4615 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4618 r = boards[moveNum][CASTLING][0] = initialRights[0];
4619 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4620 r = boards[moveNum][CASTLING][1] = initialRights[1];
4621 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4622 r = boards[moveNum][CASTLING][3] = initialRights[3];
4623 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4624 r = boards[moveNum][CASTLING][4] = initialRights[4];
4625 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4626 /* wildcastle kludge: always assume King has rights */
4627 r = boards[moveNum][CASTLING][2] = initialRights[2];
4628 r = boards[moveNum][CASTLING][5] = initialRights[5];
4630 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4631 boards[moveNum][EP_STATUS] = EP_NONE;
4632 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4633 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4634 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4637 if (ics_getting_history == H_GOT_REQ_HEADER ||
4638 ics_getting_history == H_GOT_UNREQ_HEADER) {
4639 /* This was an initial position from a move list, not
4640 the current position */
4644 /* Update currentMove and known move number limits */
4645 newMove = newGame || moveNum > forwardMostMove;
4648 forwardMostMove = backwardMostMove = currentMove = moveNum;
4649 if (gameMode == IcsExamining && moveNum == 0) {
4650 /* Workaround for ICS limitation: we are not told the wild
4651 type when starting to examine a game. But if we ask for
4652 the move list, the move list header will tell us */
4653 ics_getting_history = H_REQUESTED;
4654 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4657 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4658 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4660 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4661 /* [HGM] applied this also to an engine that is silently watching */
4662 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4663 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4664 gameInfo.variant == currentlyInitializedVariant) {
4665 takeback = forwardMostMove - moveNum;
4666 for (i = 0; i < takeback; i++) {
4667 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4668 SendToProgram("undo\n", &first);
4673 forwardMostMove = moveNum;
4674 if (!pausing || currentMove > forwardMostMove)
4675 currentMove = forwardMostMove;
4677 /* New part of history that is not contiguous with old part */
4678 if (pausing && gameMode == IcsExamining) {
4679 pauseExamInvalid = TRUE;
4680 forwardMostMove = pauseExamForwardMostMove;
4683 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4685 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4686 // [HGM] when we will receive the move list we now request, it will be
4687 // fed to the engine from the first move on. So if the engine is not
4688 // in the initial position now, bring it there.
4689 InitChessProgram(&first, 0);
4692 ics_getting_history = H_REQUESTED;
4693 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4696 forwardMostMove = backwardMostMove = currentMove = moveNum;
4699 /* Update the clocks */
4700 if (strchr(elapsed_time, '.')) {
4702 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4703 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4705 /* Time is in seconds */
4706 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4707 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4712 if (appData.zippyPlay && newGame &&
4713 gameMode != IcsObserving && gameMode != IcsIdle &&
4714 gameMode != IcsExamining)
4715 ZippyFirstBoard(moveNum, basetime, increment);
4718 /* Put the move on the move list, first converting
4719 to canonical algebraic form. */
4721 if (appData.debugMode) {
4722 int f = forwardMostMove;
4723 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4724 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4725 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4726 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4727 fprintf(debugFP, "moveNum = %d\n", moveNum);
4728 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4729 setbuf(debugFP, NULL);
4731 if (moveNum <= backwardMostMove) {
4732 /* We don't know what the board looked like before
4734 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4735 strcat(parseList[moveNum - 1], " ");
4736 strcat(parseList[moveNum - 1], elapsed_time);
4737 moveList[moveNum - 1][0] = NULLCHAR;
4738 } else if (strcmp(move_str, "none") == 0) {
4739 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4740 /* Again, we don't know what the board looked like;
4741 this is really the start of the game. */
4742 parseList[moveNum - 1][0] = NULLCHAR;
4743 moveList[moveNum - 1][0] = NULLCHAR;
4744 backwardMostMove = moveNum;
4745 startedFromSetupPosition = TRUE;
4746 fromX = fromY = toX = toY = -1;
4748 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4749 // So we parse the long-algebraic move string in stead of the SAN move
4750 int valid; char buf[MSG_SIZ], *prom;
4752 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4753 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4754 // str looks something like "Q/a1-a2"; kill the slash
4756 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4757 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4758 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4759 strcat(buf, prom); // long move lacks promo specification!
4760 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4761 if(appData.debugMode)
4762 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4763 safeStrCpy(move_str, buf, MSG_SIZ);
4765 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4766 &fromX, &fromY, &toX, &toY, &promoChar)
4767 || ParseOneMove(buf, moveNum - 1, &moveType,
4768 &fromX, &fromY, &toX, &toY, &promoChar);
4769 // end of long SAN patch
4771 (void) CoordsToAlgebraic(boards[moveNum - 1],
4772 PosFlags(moveNum - 1),
4773 fromY, fromX, toY, toX, promoChar,
4774 parseList[moveNum-1]);
4775 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4781 if(gameInfo.variant != VariantShogi)
4782 strcat(parseList[moveNum - 1], "+");
4785 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4786 strcat(parseList[moveNum - 1], "#");
4789 strcat(parseList[moveNum - 1], " ");
4790 strcat(parseList[moveNum - 1], elapsed_time);
4791 /* currentMoveString is set as a side-effect of ParseOneMove */
4792 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4793 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4794 strcat(moveList[moveNum - 1], "\n");
4796 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4797 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4798 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4799 ChessSquare old, new = boards[moveNum][k][j];
4800 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4801 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4802 if(old == new) continue;
4803 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4804 else if(new == WhiteWazir || new == BlackWazir) {
4805 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4806 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4807 else boards[moveNum][k][j] = old; // preserve type of Gold
4808 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4809 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4812 /* Move from ICS was illegal!? Punt. */
4813 if (appData.debugMode) {
4814 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4815 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4817 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4818 strcat(parseList[moveNum - 1], " ");
4819 strcat(parseList[moveNum - 1], elapsed_time);
4820 moveList[moveNum - 1][0] = NULLCHAR;
4821 fromX = fromY = toX = toY = -1;
4824 if (appData.debugMode) {
4825 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4826 setbuf(debugFP, NULL);
4830 /* Send move to chess program (BEFORE animating it). */
4831 if (appData.zippyPlay && !newGame && newMove &&
4832 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4834 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4835 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4836 if (moveList[moveNum - 1][0] == NULLCHAR) {
4837 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4839 DisplayError(str, 0);
4841 if (first.sendTime) {
4842 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4844 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4845 if (firstMove && !bookHit) {
4847 if (first.useColors) {
4848 SendToProgram(gameMode == IcsPlayingWhite ?
4850 "black\ngo\n", &first);
4852 SendToProgram("go\n", &first);
4854 first.maybeThinking = TRUE;
4857 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4858 if (moveList[moveNum - 1][0] == NULLCHAR) {
4859 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4860 DisplayError(str, 0);
4862 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4863 SendMoveToProgram(moveNum - 1, &first);
4870 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4871 /* If move comes from a remote source, animate it. If it
4872 isn't remote, it will have already been animated. */
4873 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4874 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4876 if (!pausing && appData.highlightLastMove) {
4877 SetHighlights(fromX, fromY, toX, toY);
4881 /* Start the clocks */
4882 whiteFlag = blackFlag = FALSE;
4883 appData.clockMode = !(basetime == 0 && increment == 0);
4885 ics_clock_paused = TRUE;
4887 } else if (ticking == 1) {
4888 ics_clock_paused = FALSE;
4890 if (gameMode == IcsIdle ||
4891 relation == RELATION_OBSERVING_STATIC ||
4892 relation == RELATION_EXAMINING ||
4894 DisplayBothClocks();
4898 /* Display opponents and material strengths */
4899 if (gameInfo.variant != VariantBughouse &&
4900 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4901 if (tinyLayout || smallLayout) {
4902 if(gameInfo.variant == VariantNormal)
4903 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4904 gameInfo.white, white_stren, gameInfo.black, black_stren,
4905 basetime, increment);
4907 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4908 gameInfo.white, white_stren, gameInfo.black, black_stren,
4909 basetime, increment, (int) gameInfo.variant);
4911 if(gameInfo.variant == VariantNormal)
4912 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4913 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4914 basetime, increment);
4916 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4917 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4918 basetime, increment, VariantName(gameInfo.variant));
4921 if (appData.debugMode) {
4922 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4927 /* Display the board */
4928 if (!pausing && !appData.noGUI) {
4930 if (appData.premove)
4932 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4933 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4934 ClearPremoveHighlights();
4936 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4937 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4938 DrawPosition(j, boards[currentMove]);
4940 DisplayMove(moveNum - 1);
4941 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4942 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4943 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4944 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4948 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4950 if(bookHit) { // [HGM] book: simulate book reply
4951 static char bookMove[MSG_SIZ]; // a bit generous?
4953 programStats.nodes = programStats.depth = programStats.time =
4954 programStats.score = programStats.got_only_move = 0;
4955 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4957 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4958 strcat(bookMove, bookHit);
4959 HandleMachineMove(bookMove, &first);
4968 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4969 ics_getting_history = H_REQUESTED;
4970 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4976 SendToBoth (char *msg)
4977 { // to make it easy to keep two engines in step in dual analysis
4978 SendToProgram(msg, &first);
4979 if(second.analyzing) SendToProgram(msg, &second);
4983 AnalysisPeriodicEvent (int force)
4985 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4986 && !force) || !appData.periodicUpdates)
4989 /* Send . command to Crafty to collect stats */
4992 /* Don't send another until we get a response (this makes
4993 us stop sending to old Crafty's which don't understand
4994 the "." command (sending illegal cmds resets node count & time,
4995 which looks bad)) */
4996 programStats.ok_to_send = 0;
5000 ics_update_width (int new_width)
5002 ics_printf("set width %d\n", new_width);
5006 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5010 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5011 // null move in variant where engine does not understand it (for analysis purposes)
5012 SendBoard(cps, moveNum + 1); // send position after move in stead.
5015 if (cps->useUsermove) {
5016 SendToProgram("usermove ", cps);
5020 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5021 int len = space - parseList[moveNum];
5022 memcpy(buf, parseList[moveNum], len);
5024 buf[len] = NULLCHAR;
5026 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5028 SendToProgram(buf, cps);
5030 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5031 AlphaRank(moveList[moveNum], 4);
5032 SendToProgram(moveList[moveNum], cps);
5033 AlphaRank(moveList[moveNum], 4); // and back
5035 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5036 * the engine. It would be nice to have a better way to identify castle
5038 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
5039 && cps->useOOCastle) {
5040 int fromX = moveList[moveNum][0] - AAA;
5041 int fromY = moveList[moveNum][1] - ONE;
5042 int toX = moveList[moveNum][2] - AAA;
5043 int toY = moveList[moveNum][3] - ONE;
5044 if((boards[moveNum][fromY][fromX] == WhiteKing
5045 && boards[moveNum][toY][toX] == WhiteRook)
5046 || (boards[moveNum][fromY][fromX] == BlackKing
5047 && boards[moveNum][toY][toX] == BlackRook)) {
5048 if(toX > fromX) SendToProgram("O-O\n", cps);
5049 else SendToProgram("O-O-O\n", cps);
5051 else SendToProgram(moveList[moveNum], cps);
5053 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5054 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5055 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5056 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5057 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5059 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5060 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5061 SendToProgram(buf, cps);
5063 else SendToProgram(moveList[moveNum], cps);
5064 /* End of additions by Tord */
5067 /* [HGM] setting up the opening has brought engine in force mode! */
5068 /* Send 'go' if we are in a mode where machine should play. */
5069 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5070 (gameMode == TwoMachinesPlay ||
5072 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5074 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5075 SendToProgram("go\n", cps);
5076 if (appData.debugMode) {
5077 fprintf(debugFP, "(extra)\n");
5080 setboardSpoiledMachineBlack = 0;
5084 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5086 char user_move[MSG_SIZ];
5089 if(gameInfo.variant == VariantSChess && promoChar) {
5090 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5091 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5092 } else suffix[0] = NULLCHAR;
5096 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5097 (int)moveType, fromX, fromY, toX, toY);
5098 DisplayError(user_move + strlen("say "), 0);
5100 case WhiteKingSideCastle:
5101 case BlackKingSideCastle:
5102 case WhiteQueenSideCastleWild:
5103 case BlackQueenSideCastleWild:
5105 case WhiteHSideCastleFR:
5106 case BlackHSideCastleFR:
5108 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5110 case WhiteQueenSideCastle:
5111 case BlackQueenSideCastle:
5112 case WhiteKingSideCastleWild:
5113 case BlackKingSideCastleWild:
5115 case WhiteASideCastleFR:
5116 case BlackASideCastleFR:
5118 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5120 case WhiteNonPromotion:
5121 case BlackNonPromotion:
5122 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5124 case WhitePromotion:
5125 case BlackPromotion:
5126 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5127 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
5128 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5129 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5130 PieceToChar(WhiteFerz));
5131 else if(gameInfo.variant == VariantGreat)
5132 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5133 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5134 PieceToChar(WhiteMan));
5136 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5137 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5143 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5144 ToUpper(PieceToChar((ChessSquare) fromX)),
5145 AAA + toX, ONE + toY);
5147 case IllegalMove: /* could be a variant we don't quite understand */
5148 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5150 case WhiteCapturesEnPassant:
5151 case BlackCapturesEnPassant:
5152 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5153 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5156 SendToICS(user_move);
5157 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5158 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5163 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5164 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5165 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5166 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5167 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5170 if(gameMode != IcsExamining) { // is this ever not the case?
5171 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5173 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5174 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5175 } else { // on FICS we must first go to general examine mode
5176 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5178 if(gameInfo.variant != VariantNormal) {
5179 // try figure out wild number, as xboard names are not always valid on ICS
5180 for(i=1; i<=36; i++) {
5181 snprintf(buf, MSG_SIZ, "wild/%d", i);
5182 if(StringToVariant(buf) == gameInfo.variant) break;
5184 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5185 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5186 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5187 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5188 SendToICS(ics_prefix);
5190 if(startedFromSetupPosition || backwardMostMove != 0) {
5191 fen = PositionToFEN(backwardMostMove, NULL, 1);
5192 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5193 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5195 } else { // FICS: everything has to set by separate bsetup commands
5196 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5197 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5199 if(!WhiteOnMove(backwardMostMove)) {
5200 SendToICS("bsetup tomove black\n");
5202 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5203 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5205 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5206 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5208 i = boards[backwardMostMove][EP_STATUS];
5209 if(i >= 0) { // set e.p.
5210 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5216 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5217 SendToICS("bsetup done\n"); // switch to normal examining.
5219 for(i = backwardMostMove; i<last; i++) {
5221 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5222 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5223 int len = strlen(moveList[i]);
5224 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5225 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5229 SendToICS(ics_prefix);
5230 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5234 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5236 if (rf == DROP_RANK) {
5237 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5238 sprintf(move, "%c@%c%c\n",
5239 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5241 if (promoChar == 'x' || promoChar == NULLCHAR) {
5242 sprintf(move, "%c%c%c%c\n",
5243 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5245 sprintf(move, "%c%c%c%c%c\n",
5246 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5252 ProcessICSInitScript (FILE *f)
5256 while (fgets(buf, MSG_SIZ, f)) {
5257 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5264 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag, dragging;
5265 static ClickType lastClickType;
5270 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5271 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5272 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5273 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5274 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5275 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5278 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5279 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5280 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5281 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5282 if(!step) step = -1;
5283 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5284 appData.testLegality && (promoSweep == king ||
5285 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5287 int victim = boards[currentMove][toY][toX];
5288 boards[currentMove][toY][toX] = promoSweep;
5289 DrawPosition(FALSE, boards[currentMove]);
5290 boards[currentMove][toY][toX] = victim;
5292 ChangeDragPiece(promoSweep);
5296 PromoScroll (int x, int y)
5300 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5301 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5302 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5303 if(!step) return FALSE;
5304 lastX = x; lastY = y;
5305 if((promoSweep < BlackPawn) == flipView) step = -step;
5306 if(step > 0) selectFlag = 1;
5307 if(!selectFlag) Sweep(step);
5312 NextPiece (int step)
5314 ChessSquare piece = boards[currentMove][toY][toX];
5317 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5318 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5319 if(!step) step = -1;
5320 } while(PieceToChar(pieceSweep) == '.');
5321 boards[currentMove][toY][toX] = pieceSweep;
5322 DrawPosition(FALSE, boards[currentMove]);
5323 boards[currentMove][toY][toX] = piece;
5325 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5327 AlphaRank (char *move, int n)
5329 // char *p = move, c; int x, y;
5331 if (appData.debugMode) {
5332 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5336 move[2]>='0' && move[2]<='9' &&
5337 move[3]>='a' && move[3]<='x' ) {
5339 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5340 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5342 if(move[0]>='0' && move[0]<='9' &&
5343 move[1]>='a' && move[1]<='x' &&
5344 move[2]>='0' && move[2]<='9' &&
5345 move[3]>='a' && move[3]<='x' ) {
5346 /* input move, Shogi -> normal */
5347 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5348 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5349 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5350 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5353 move[3]>='0' && move[3]<='9' &&
5354 move[2]>='a' && move[2]<='x' ) {
5356 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5357 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5360 move[0]>='a' && move[0]<='x' &&
5361 move[3]>='0' && move[3]<='9' &&
5362 move[2]>='a' && move[2]<='x' ) {
5363 /* output move, normal -> Shogi */
5364 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5365 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5366 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5367 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5368 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5370 if (appData.debugMode) {
5371 fprintf(debugFP, " out = '%s'\n", move);
5375 char yy_textstr[8000];
5377 /* Parser for moves from gnuchess, ICS, or user typein box */
5379 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5381 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5383 switch (*moveType) {
5384 case WhitePromotion:
5385 case BlackPromotion:
5386 case WhiteNonPromotion:
5387 case BlackNonPromotion:
5389 case WhiteCapturesEnPassant:
5390 case BlackCapturesEnPassant:
5391 case WhiteKingSideCastle:
5392 case WhiteQueenSideCastle:
5393 case BlackKingSideCastle:
5394 case BlackQueenSideCastle:
5395 case WhiteKingSideCastleWild:
5396 case WhiteQueenSideCastleWild:
5397 case BlackKingSideCastleWild:
5398 case BlackQueenSideCastleWild:
5399 /* Code added by Tord: */
5400 case WhiteHSideCastleFR:
5401 case WhiteASideCastleFR:
5402 case BlackHSideCastleFR:
5403 case BlackASideCastleFR:
5404 /* End of code added by Tord */
5405 case IllegalMove: /* bug or odd chess variant */
5406 *fromX = currentMoveString[0] - AAA;
5407 *fromY = currentMoveString[1] - ONE;
5408 *toX = currentMoveString[2] - AAA;
5409 *toY = currentMoveString[3] - ONE;
5410 *promoChar = currentMoveString[4];
5411 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5412 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5413 if (appData.debugMode) {
5414 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5416 *fromX = *fromY = *toX = *toY = 0;
5419 if (appData.testLegality) {
5420 return (*moveType != IllegalMove);
5422 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5423 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5428 *fromX = *moveType == WhiteDrop ?
5429 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5430 (int) CharToPiece(ToLower(currentMoveString[0]));
5432 *toX = currentMoveString[2] - AAA;
5433 *toY = currentMoveString[3] - ONE;
5434 *promoChar = NULLCHAR;
5438 case ImpossibleMove:
5448 if (appData.debugMode) {
5449 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5452 *fromX = *fromY = *toX = *toY = 0;
5453 *promoChar = NULLCHAR;
5458 Boolean pushed = FALSE;
5459 char *lastParseAttempt;
5462 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5463 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5464 int fromX, fromY, toX, toY; char promoChar;
5469 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5470 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5471 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5474 endPV = forwardMostMove;
5476 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5477 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5478 lastParseAttempt = pv;
5479 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5480 if(!valid && nr == 0 &&
5481 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5482 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5483 // Hande case where played move is different from leading PV move
5484 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5485 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5486 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5487 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5488 endPV += 2; // if position different, keep this
5489 moveList[endPV-1][0] = fromX + AAA;
5490 moveList[endPV-1][1] = fromY + ONE;
5491 moveList[endPV-1][2] = toX + AAA;
5492 moveList[endPV-1][3] = toY + ONE;
5493 parseList[endPV-1][0] = NULLCHAR;
5494 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5497 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5498 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5499 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5500 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5501 valid++; // allow comments in PV
5505 if(endPV+1 > framePtr) break; // no space, truncate
5508 CopyBoard(boards[endPV], boards[endPV-1]);
5509 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5510 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5511 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5512 CoordsToAlgebraic(boards[endPV - 1],
5513 PosFlags(endPV - 1),
5514 fromY, fromX, toY, toX, promoChar,
5515 parseList[endPV - 1]);
5517 if(atEnd == 2) return; // used hidden, for PV conversion
5518 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5519 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5520 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5521 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5522 DrawPosition(TRUE, boards[currentMove]);
5526 MultiPV (ChessProgramState *cps)
5527 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5529 for(i=0; i<cps->nrOptions; i++)
5530 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5535 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5538 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5540 int startPV, multi, lineStart, origIndex = index;
5541 char *p, buf2[MSG_SIZ];
5542 ChessProgramState *cps = (pane ? &second : &first);
5544 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5545 lastX = x; lastY = y;
5546 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5547 lineStart = startPV = index;
5548 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5549 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5551 do{ while(buf[index] && buf[index] != '\n') index++;
5552 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5554 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5555 int n = cps->option[multi].value;
5556 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5557 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5558 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5559 cps->option[multi].value = n;
5562 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5563 ExcludeClick(origIndex - lineStart);
5566 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5567 *start = startPV; *end = index-1;
5568 extendGame = (gameMode == AnalyzeMode && appData.autoExtend);
5575 static char buf[10*MSG_SIZ];
5576 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5578 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5579 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5580 for(i = forwardMostMove; i<endPV; i++){
5581 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5582 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5585 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5586 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5587 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5593 LoadPV (int x, int y)
5594 { // called on right mouse click to load PV
5595 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5596 lastX = x; lastY = y;
5597 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5605 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5606 if(endPV < 0) return;
5607 if(appData.autoCopyPV) CopyFENToClipboard();
5609 if(extendGame && currentMove > forwardMostMove) {
5610 Boolean saveAnimate = appData.animate;
5612 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5613 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5614 } else storedGames--; // abandon shelved tail of original game
5617 forwardMostMove = currentMove;
5618 currentMove = oldFMM;
5619 appData.animate = FALSE;
5620 ToNrEvent(forwardMostMove);
5621 appData.animate = saveAnimate;
5623 currentMove = forwardMostMove;
5624 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5625 ClearPremoveHighlights();
5626 DrawPosition(TRUE, boards[currentMove]);
5630 MovePV (int x, int y, int h)
5631 { // step through PV based on mouse coordinates (called on mouse move)
5632 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5634 // we must somehow check if right button is still down (might be released off board!)
5635 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5636 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5637 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5639 lastX = x; lastY = y;
5641 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5642 if(endPV < 0) return;
5643 if(y < margin) step = 1; else
5644 if(y > h - margin) step = -1;
5645 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5646 currentMove += step;
5647 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5648 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5649 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5650 DrawPosition(FALSE, boards[currentMove]);
5654 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5655 // All positions will have equal probability, but the current method will not provide a unique
5656 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5662 int piecesLeft[(int)BlackPawn];
5663 int seed, nrOfShuffles;
5666 GetPositionNumber ()
5667 { // sets global variable seed
5670 seed = appData.defaultFrcPosition;
5671 if(seed < 0) { // randomize based on time for negative FRC position numbers
5672 for(i=0; i<50; i++) seed += random();
5673 seed = random() ^ random() >> 8 ^ random() << 8;
5674 if(seed<0) seed = -seed;
5679 put (Board board, int pieceType, int rank, int n, int shade)
5680 // put the piece on the (n-1)-th empty squares of the given shade
5684 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5685 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5686 board[rank][i] = (ChessSquare) pieceType;
5687 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5689 piecesLeft[pieceType]--;
5698 AddOnePiece (Board board, int pieceType, int rank, int shade)
5699 // calculate where the next piece goes, (any empty square), and put it there
5703 i = seed % squaresLeft[shade];
5704 nrOfShuffles *= squaresLeft[shade];
5705 seed /= squaresLeft[shade];
5706 put(board, pieceType, rank, i, shade);
5710 AddTwoPieces (Board board, int pieceType, int rank)
5711 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5713 int i, n=squaresLeft[ANY], j=n-1, k;
5715 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5716 i = seed % k; // pick one
5719 while(i >= j) i -= j--;
5720 j = n - 1 - j; i += j;
5721 put(board, pieceType, rank, j, ANY);
5722 put(board, pieceType, rank, i, ANY);
5726 SetUpShuffle (Board board, int number)
5730 GetPositionNumber(); nrOfShuffles = 1;
5732 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5733 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5734 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5736 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5738 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5739 p = (int) board[0][i];
5740 if(p < (int) BlackPawn) piecesLeft[p] ++;
5741 board[0][i] = EmptySquare;
5744 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5745 // shuffles restricted to allow normal castling put KRR first
5746 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5747 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5748 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5749 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5750 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5751 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5752 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5753 put(board, WhiteRook, 0, 0, ANY);
5754 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5757 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5758 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5759 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5760 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5761 while(piecesLeft[p] >= 2) {
5762 AddOnePiece(board, p, 0, LITE);
5763 AddOnePiece(board, p, 0, DARK);
5765 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5768 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5769 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5770 // but we leave King and Rooks for last, to possibly obey FRC restriction
5771 if(p == (int)WhiteRook) continue;
5772 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5773 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5776 // now everything is placed, except perhaps King (Unicorn) and Rooks
5778 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5779 // Last King gets castling rights
5780 while(piecesLeft[(int)WhiteUnicorn]) {
5781 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5782 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5785 while(piecesLeft[(int)WhiteKing]) {
5786 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5787 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5792 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5793 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5796 // Only Rooks can be left; simply place them all
5797 while(piecesLeft[(int)WhiteRook]) {
5798 i = put(board, WhiteRook, 0, 0, ANY);
5799 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5802 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5804 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5807 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5808 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5811 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5815 SetCharTable (char *table, const char * map)
5816 /* [HGM] moved here from winboard.c because of its general usefulness */
5817 /* Basically a safe strcpy that uses the last character as King */
5819 int result = FALSE; int NrPieces;
5821 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5822 && NrPieces >= 12 && !(NrPieces&1)) {
5823 int i; /* [HGM] Accept even length from 12 to 34 */
5825 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5826 for( i=0; i<NrPieces/2-1; i++ ) {
5828 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5830 table[(int) WhiteKing] = map[NrPieces/2-1];
5831 table[(int) BlackKing] = map[NrPieces-1];
5840 Prelude (Board board)
5841 { // [HGM] superchess: random selection of exo-pieces
5842 int i, j, k; ChessSquare p;
5843 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5845 GetPositionNumber(); // use FRC position number
5847 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5848 SetCharTable(pieceToChar, appData.pieceToCharTable);
5849 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5850 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5853 j = seed%4; seed /= 4;
5854 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5855 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5856 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5857 j = seed%3 + (seed%3 >= j); seed /= 3;
5858 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5859 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5860 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5861 j = seed%3; seed /= 3;
5862 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5863 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5864 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5865 j = seed%2 + (seed%2 >= j); seed /= 2;
5866 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5867 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5868 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5869 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5870 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5871 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5872 put(board, exoPieces[0], 0, 0, ANY);
5873 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5877 InitPosition (int redraw)
5879 ChessSquare (* pieces)[BOARD_FILES];
5880 int i, j, pawnRow=1, pieceRows=1, overrule,
5881 oldx = gameInfo.boardWidth,
5882 oldy = gameInfo.boardHeight,
5883 oldh = gameInfo.holdingsWidth;
5886 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5888 /* [AS] Initialize pv info list [HGM] and game status */
5890 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5891 pvInfoList[i].depth = 0;
5892 boards[i][EP_STATUS] = EP_NONE;
5893 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5896 initialRulePlies = 0; /* 50-move counter start */
5898 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5899 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5903 /* [HGM] logic here is completely changed. In stead of full positions */
5904 /* the initialized data only consist of the two backranks. The switch */
5905 /* selects which one we will use, which is than copied to the Board */
5906 /* initialPosition, which for the rest is initialized by Pawns and */
5907 /* empty squares. This initial position is then copied to boards[0], */
5908 /* possibly after shuffling, so that it remains available. */
5910 gameInfo.holdingsWidth = 0; /* default board sizes */
5911 gameInfo.boardWidth = 8;
5912 gameInfo.boardHeight = 8;
5913 gameInfo.holdingsSize = 0;
5914 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5915 for(i=0; i<BOARD_FILES-2; i++)
5916 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5917 initialPosition[EP_STATUS] = EP_NONE;
5918 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5919 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5920 SetCharTable(pieceNickName, appData.pieceNickNames);
5921 else SetCharTable(pieceNickName, "............");
5924 switch (gameInfo.variant) {
5925 case VariantFischeRandom:
5926 shuffleOpenings = TRUE;
5929 case VariantShatranj:
5930 pieces = ShatranjArray;
5931 nrCastlingRights = 0;
5932 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5935 pieces = makrukArray;
5936 nrCastlingRights = 0;
5937 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5940 pieces = aseanArray;
5941 nrCastlingRights = 0;
5942 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
5944 case VariantTwoKings:
5945 pieces = twoKingsArray;
5948 pieces = GrandArray;
5949 nrCastlingRights = 0;
5950 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5951 gameInfo.boardWidth = 10;
5952 gameInfo.boardHeight = 10;
5953 gameInfo.holdingsSize = 7;
5955 case VariantCapaRandom:
5956 shuffleOpenings = TRUE;
5957 case VariantCapablanca:
5958 pieces = CapablancaArray;
5959 gameInfo.boardWidth = 10;
5960 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5963 pieces = GothicArray;
5964 gameInfo.boardWidth = 10;
5965 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5968 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5969 gameInfo.holdingsSize = 7;
5970 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
5973 pieces = JanusArray;
5974 gameInfo.boardWidth = 10;
5975 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5976 nrCastlingRights = 6;
5977 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5978 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5979 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5980 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5981 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5982 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5985 pieces = FalconArray;
5986 gameInfo.boardWidth = 10;
5987 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5989 case VariantXiangqi:
5990 pieces = XiangqiArray;
5991 gameInfo.boardWidth = 9;
5992 gameInfo.boardHeight = 10;
5993 nrCastlingRights = 0;
5994 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5997 pieces = ShogiArray;
5998 gameInfo.boardWidth = 9;
5999 gameInfo.boardHeight = 9;
6000 gameInfo.holdingsSize = 7;
6001 nrCastlingRights = 0;
6002 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6005 pieces = ChuArray; pieceRows = 3;
6006 gameInfo.boardWidth = 12;
6007 gameInfo.boardHeight = 12;
6008 nrCastlingRights = 0;
6009 SetCharTable(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN+.+++++++++++++.+++++K"
6010 "p.brqsexogcathd.vmlifn+.+++++++++++++.+++++k");
6012 case VariantCourier:
6013 pieces = CourierArray;
6014 gameInfo.boardWidth = 12;
6015 nrCastlingRights = 0;
6016 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6018 case VariantKnightmate:
6019 pieces = KnightmateArray;
6020 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6022 case VariantSpartan:
6023 pieces = SpartanArray;
6024 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
6027 pieces = fairyArray;
6028 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6031 pieces = GreatArray;
6032 gameInfo.boardWidth = 10;
6033 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6034 gameInfo.holdingsSize = 8;
6038 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6039 gameInfo.holdingsSize = 8;
6040 startedFromSetupPosition = TRUE;
6042 case VariantCrazyhouse:
6043 case VariantBughouse:
6045 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6046 gameInfo.holdingsSize = 5;
6048 case VariantWildCastle:
6050 /* !!?shuffle with kings guaranteed to be on d or e file */
6051 shuffleOpenings = 1;
6053 case VariantNoCastle:
6055 nrCastlingRights = 0;
6056 /* !!?unconstrained back-rank shuffle */
6057 shuffleOpenings = 1;
6062 if(appData.NrFiles >= 0) {
6063 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6064 gameInfo.boardWidth = appData.NrFiles;
6066 if(appData.NrRanks >= 0) {
6067 gameInfo.boardHeight = appData.NrRanks;
6069 if(appData.holdingsSize >= 0) {
6070 i = appData.holdingsSize;
6071 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6072 gameInfo.holdingsSize = i;
6074 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6075 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6076 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6078 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6079 if(pawnRow < 1) pawnRow = 1;
6080 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN || gameInfo.variant == VariantGrand) pawnRow = 2;
6081 if(gameInfo.variant == VariantChu) pawnRow = 3;
6083 /* User pieceToChar list overrules defaults */
6084 if(appData.pieceToCharTable != NULL)
6085 SetCharTable(pieceToChar, appData.pieceToCharTable);
6087 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6089 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6090 s = (ChessSquare) 0; /* account holding counts in guard band */
6091 for( i=0; i<BOARD_HEIGHT; i++ )
6092 initialPosition[i][j] = s;
6094 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6095 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
6096 initialPosition[pawnRow][j] = WhitePawn;
6097 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6098 if(gameInfo.variant == VariantXiangqi) {
6100 initialPosition[pawnRow][j] =
6101 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6102 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6103 initialPosition[2][j] = WhiteCannon;
6104 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6108 if(gameInfo.variant == VariantChu) {
6109 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6110 initialPosition[pawnRow+1][j] = WhiteCobra,
6111 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6112 for(i=1; i<pieceRows; i++) {
6113 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6114 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6117 if(gameInfo.variant == VariantGrand) {
6118 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6119 initialPosition[0][j] = WhiteRook;
6120 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6123 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
6125 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6128 initialPosition[1][j] = WhiteBishop;
6129 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6131 initialPosition[1][j] = WhiteRook;
6132 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6135 if( nrCastlingRights == -1) {
6136 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6137 /* This sets default castling rights from none to normal corners */
6138 /* Variants with other castling rights must set them themselves above */
6139 nrCastlingRights = 6;
6141 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6142 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6143 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6144 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6145 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6146 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6149 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6150 if(gameInfo.variant == VariantGreat) { // promotion commoners
6151 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6152 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6153 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6154 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6156 if( gameInfo.variant == VariantSChess ) {
6157 initialPosition[1][0] = BlackMarshall;
6158 initialPosition[2][0] = BlackAngel;
6159 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6160 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6161 initialPosition[1][1] = initialPosition[2][1] =
6162 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6164 if (appData.debugMode) {
6165 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6167 if(shuffleOpenings) {
6168 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6169 startedFromSetupPosition = TRUE;
6171 if(startedFromPositionFile) {
6172 /* [HGM] loadPos: use PositionFile for every new game */
6173 CopyBoard(initialPosition, filePosition);
6174 for(i=0; i<nrCastlingRights; i++)
6175 initialRights[i] = filePosition[CASTLING][i];
6176 startedFromSetupPosition = TRUE;
6179 CopyBoard(boards[0], initialPosition);
6181 if(oldx != gameInfo.boardWidth ||
6182 oldy != gameInfo.boardHeight ||
6183 oldv != gameInfo.variant ||
6184 oldh != gameInfo.holdingsWidth
6186 InitDrawingSizes(-2 ,0);
6188 oldv = gameInfo.variant;
6190 DrawPosition(TRUE, boards[currentMove]);
6194 SendBoard (ChessProgramState *cps, int moveNum)
6196 char message[MSG_SIZ];
6198 if (cps->useSetboard) {
6199 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6200 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6201 SendToProgram(message, cps);
6206 int i, j, left=0, right=BOARD_WIDTH;
6207 /* Kludge to set black to move, avoiding the troublesome and now
6208 * deprecated "black" command.
6210 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6211 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6213 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6215 SendToProgram("edit\n", cps);
6216 SendToProgram("#\n", cps);
6217 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6218 bp = &boards[moveNum][i][left];
6219 for (j = left; j < right; j++, bp++) {
6220 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6221 if ((int) *bp < (int) BlackPawn) {
6222 if(j == BOARD_RGHT+1)
6223 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6224 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6225 if(message[0] == '+' || message[0] == '~') {
6226 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6227 PieceToChar((ChessSquare)(DEMOTED *bp)),
6230 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6231 message[1] = BOARD_RGHT - 1 - j + '1';
6232 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6234 SendToProgram(message, cps);
6239 SendToProgram("c\n", cps);
6240 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6241 bp = &boards[moveNum][i][left];
6242 for (j = left; j < right; j++, bp++) {
6243 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6244 if (((int) *bp != (int) EmptySquare)
6245 && ((int) *bp >= (int) BlackPawn)) {
6246 if(j == BOARD_LEFT-2)
6247 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6248 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6250 if(message[0] == '+' || message[0] == '~') {
6251 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6252 PieceToChar((ChessSquare)(DEMOTED *bp)),
6255 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6256 message[1] = BOARD_RGHT - 1 - j + '1';
6257 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6259 SendToProgram(message, cps);
6264 SendToProgram(".\n", cps);
6266 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6269 char exclusionHeader[MSG_SIZ];
6270 int exCnt, excludePtr;
6271 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6272 static Exclusion excluTab[200];
6273 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6279 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6280 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6286 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6287 excludePtr = 24; exCnt = 0;
6292 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6293 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6294 char buf[2*MOVE_LEN], *p;
6295 Exclusion *e = excluTab;
6297 for(i=0; i<exCnt; i++)
6298 if(e[i].ff == fromX && e[i].fr == fromY &&
6299 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6300 if(i == exCnt) { // was not in exclude list; add it
6301 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6302 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6303 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6306 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6307 excludePtr++; e[i].mark = excludePtr++;
6308 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6311 exclusionHeader[e[i].mark] = state;
6315 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6316 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6320 if((signed char)promoChar == -1) { // kludge to indicate best move
6321 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6322 return 1; // if unparsable, abort
6324 // update exclusion map (resolving toggle by consulting existing state)
6325 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6327 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6328 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6329 excludeMap[k] |= 1<<j;
6330 else excludeMap[k] &= ~(1<<j);
6332 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6334 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6335 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6337 return (state == '+');
6341 ExcludeClick (int index)
6344 Exclusion *e = excluTab;
6345 if(index < 25) { // none, best or tail clicked
6346 if(index < 13) { // none: include all
6347 WriteMap(0); // clear map
6348 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6349 SendToBoth("include all\n"); // and inform engine
6350 } else if(index > 18) { // tail
6351 if(exclusionHeader[19] == '-') { // tail was excluded
6352 SendToBoth("include all\n");
6353 WriteMap(0); // clear map completely
6354 // now re-exclude selected moves
6355 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6356 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6357 } else { // tail was included or in mixed state
6358 SendToBoth("exclude all\n");
6359 WriteMap(0xFF); // fill map completely
6360 // now re-include selected moves
6361 j = 0; // count them
6362 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6363 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6364 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6367 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6370 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6371 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6372 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6379 DefaultPromoChoice (int white)
6382 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6383 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
6384 result = WhiteFerz; // no choice
6385 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6386 result= WhiteKing; // in Suicide Q is the last thing we want
6387 else if(gameInfo.variant == VariantSpartan)
6388 result = white ? WhiteQueen : WhiteAngel;
6389 else result = WhiteQueen;
6390 if(!white) result = WHITE_TO_BLACK result;
6394 static int autoQueen; // [HGM] oneclick
6397 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6399 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6400 /* [HGM] add Shogi promotions */
6401 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6406 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6407 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6409 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6410 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6413 piece = boards[currentMove][fromY][fromX];
6414 if(gameInfo.variant == VariantShogi) {
6415 promotionZoneSize = BOARD_HEIGHT/3;
6416 highestPromotingPiece = (int)WhiteFerz;
6417 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6418 promotionZoneSize = 3;
6421 // Treat Lance as Pawn when it is not representing Amazon
6422 if(gameInfo.variant != VariantSuper) {
6423 if(piece == WhiteLance) piece = WhitePawn; else
6424 if(piece == BlackLance) piece = BlackPawn;
6427 // next weed out all moves that do not touch the promotion zone at all
6428 if((int)piece >= BlackPawn) {
6429 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6431 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6433 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6434 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6437 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6439 // weed out mandatory Shogi promotions
6440 if(gameInfo.variant == VariantShogi) {
6441 if(piece >= BlackPawn) {
6442 if(toY == 0 && piece == BlackPawn ||
6443 toY == 0 && piece == BlackQueen ||
6444 toY <= 1 && piece == BlackKnight) {
6449 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6450 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6451 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6458 // weed out obviously illegal Pawn moves
6459 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6460 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6461 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6462 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6463 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6464 // note we are not allowed to test for valid (non-)capture, due to premove
6467 // we either have a choice what to promote to, or (in Shogi) whether to promote
6468 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6469 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) {
6470 *promoChoice = PieceToChar(BlackFerz); // no choice
6473 // no sense asking what we must promote to if it is going to explode...
6474 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6475 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6478 // give caller the default choice even if we will not make it
6479 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6480 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6481 if( sweepSelect && gameInfo.variant != VariantGreat
6482 && gameInfo.variant != VariantGrand
6483 && gameInfo.variant != VariantSuper) return FALSE;
6484 if(autoQueen) return FALSE; // predetermined
6486 // suppress promotion popup on illegal moves that are not premoves
6487 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6488 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6489 if(appData.testLegality && !premove) {
6490 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6491 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6492 if(moveType != WhitePromotion && moveType != BlackPromotion)
6500 InPalace (int row, int column)
6501 { /* [HGM] for Xiangqi */
6502 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6503 column < (BOARD_WIDTH + 4)/2 &&
6504 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6509 PieceForSquare (int x, int y)
6511 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6514 return boards[currentMove][y][x];
6518 OKToStartUserMove (int x, int y)
6520 ChessSquare from_piece;
6523 if (matchMode) return FALSE;
6524 if (gameMode == EditPosition) return TRUE;
6526 if (x >= 0 && y >= 0)
6527 from_piece = boards[currentMove][y][x];
6529 from_piece = EmptySquare;
6531 if (from_piece == EmptySquare) return FALSE;
6533 white_piece = (int)from_piece >= (int)WhitePawn &&
6534 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6538 case TwoMachinesPlay:
6546 case MachinePlaysWhite:
6547 case IcsPlayingBlack:
6548 if (appData.zippyPlay) return FALSE;
6550 DisplayMoveError(_("You are playing Black"));
6555 case MachinePlaysBlack:
6556 case IcsPlayingWhite:
6557 if (appData.zippyPlay) return FALSE;
6559 DisplayMoveError(_("You are playing White"));
6564 case PlayFromGameFile:
6565 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6567 if (!white_piece && WhiteOnMove(currentMove)) {
6568 DisplayMoveError(_("It is White's turn"));
6571 if (white_piece && !WhiteOnMove(currentMove)) {
6572 DisplayMoveError(_("It is Black's turn"));
6575 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6576 /* Editing correspondence game history */
6577 /* Could disallow this or prompt for confirmation */
6582 case BeginningOfGame:
6583 if (appData.icsActive) return FALSE;
6584 if (!appData.noChessProgram) {
6586 DisplayMoveError(_("You are playing White"));
6593 if (!white_piece && WhiteOnMove(currentMove)) {
6594 DisplayMoveError(_("It is White's turn"));
6597 if (white_piece && !WhiteOnMove(currentMove)) {
6598 DisplayMoveError(_("It is Black's turn"));
6607 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6608 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6609 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6610 && gameMode != AnalyzeFile && gameMode != Training) {
6611 DisplayMoveError(_("Displayed position is not current"));
6618 OnlyMove (int *x, int *y, Boolean captures)
6620 DisambiguateClosure cl;
6621 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6623 case MachinePlaysBlack:
6624 case IcsPlayingWhite:
6625 case BeginningOfGame:
6626 if(!WhiteOnMove(currentMove)) return FALSE;
6628 case MachinePlaysWhite:
6629 case IcsPlayingBlack:
6630 if(WhiteOnMove(currentMove)) return FALSE;
6637 cl.pieceIn = EmptySquare;
6642 cl.promoCharIn = NULLCHAR;
6643 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6644 if( cl.kind == NormalMove ||
6645 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6646 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6647 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6654 if(cl.kind != ImpossibleMove) return FALSE;
6655 cl.pieceIn = EmptySquare;
6660 cl.promoCharIn = NULLCHAR;
6661 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6662 if( cl.kind == NormalMove ||
6663 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6664 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6665 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6670 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6676 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6677 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6678 int lastLoadGameUseList = FALSE;
6679 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6680 ChessMove lastLoadGameStart = EndOfFile;
6684 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6688 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6690 /* Check if the user is playing in turn. This is complicated because we
6691 let the user "pick up" a piece before it is his turn. So the piece he
6692 tried to pick up may have been captured by the time he puts it down!
6693 Therefore we use the color the user is supposed to be playing in this
6694 test, not the color of the piece that is currently on the starting
6695 square---except in EditGame mode, where the user is playing both
6696 sides; fortunately there the capture race can't happen. (It can
6697 now happen in IcsExamining mode, but that's just too bad. The user
6698 will get a somewhat confusing message in that case.)
6703 case TwoMachinesPlay:
6707 /* We switched into a game mode where moves are not accepted,
6708 perhaps while the mouse button was down. */
6711 case MachinePlaysWhite:
6712 /* User is moving for Black */
6713 if (WhiteOnMove(currentMove)) {
6714 DisplayMoveError(_("It is White's turn"));
6719 case MachinePlaysBlack:
6720 /* User is moving for White */
6721 if (!WhiteOnMove(currentMove)) {
6722 DisplayMoveError(_("It is Black's turn"));
6727 case PlayFromGameFile:
6728 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6731 case BeginningOfGame:
6734 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6735 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6736 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6737 /* User is moving for Black */
6738 if (WhiteOnMove(currentMove)) {
6739 DisplayMoveError(_("It is White's turn"));
6743 /* User is moving for White */
6744 if (!WhiteOnMove(currentMove)) {
6745 DisplayMoveError(_("It is Black's turn"));
6751 case IcsPlayingBlack:
6752 /* User is moving for Black */
6753 if (WhiteOnMove(currentMove)) {
6754 if (!appData.premove) {
6755 DisplayMoveError(_("It is White's turn"));
6756 } else if (toX >= 0 && toY >= 0) {
6759 premoveFromX = fromX;
6760 premoveFromY = fromY;
6761 premovePromoChar = promoChar;
6763 if (appData.debugMode)
6764 fprintf(debugFP, "Got premove: fromX %d,"
6765 "fromY %d, toX %d, toY %d\n",
6766 fromX, fromY, toX, toY);
6772 case IcsPlayingWhite:
6773 /* User is moving for White */
6774 if (!WhiteOnMove(currentMove)) {
6775 if (!appData.premove) {
6776 DisplayMoveError(_("It is Black's turn"));
6777 } else if (toX >= 0 && toY >= 0) {
6780 premoveFromX = fromX;
6781 premoveFromY = fromY;
6782 premovePromoChar = promoChar;
6784 if (appData.debugMode)
6785 fprintf(debugFP, "Got premove: fromX %d,"
6786 "fromY %d, toX %d, toY %d\n",
6787 fromX, fromY, toX, toY);
6797 /* EditPosition, empty square, or different color piece;
6798 click-click move is possible */
6799 if (toX == -2 || toY == -2) {
6800 boards[0][fromY][fromX] = EmptySquare;
6801 DrawPosition(FALSE, boards[currentMove]);
6803 } else if (toX >= 0 && toY >= 0) {
6804 boards[0][toY][toX] = boards[0][fromY][fromX];
6805 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6806 if(boards[0][fromY][0] != EmptySquare) {
6807 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6808 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6811 if(fromX == BOARD_RGHT+1) {
6812 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6813 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6814 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6817 boards[0][fromY][fromX] = gatingPiece;
6818 DrawPosition(FALSE, boards[currentMove]);
6824 if(toX < 0 || toY < 0) return;
6825 pup = boards[currentMove][toY][toX];
6827 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6828 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6829 if( pup != EmptySquare ) return;
6830 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6831 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6832 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6833 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6834 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6835 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6836 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6840 /* [HGM] always test for legality, to get promotion info */
6841 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6842 fromY, fromX, toY, toX, promoChar);
6844 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6846 /* [HGM] but possibly ignore an IllegalMove result */
6847 if (appData.testLegality) {
6848 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6849 DisplayMoveError(_("Illegal move"));
6854 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6855 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6856 ClearPremoveHighlights(); // was included
6857 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6861 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6864 /* Common tail of UserMoveEvent and DropMenuEvent */
6866 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6870 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6871 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6872 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6873 if(WhiteOnMove(currentMove)) {
6874 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6876 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6880 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6881 move type in caller when we know the move is a legal promotion */
6882 if(moveType == NormalMove && promoChar)
6883 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6885 /* [HGM] <popupFix> The following if has been moved here from
6886 UserMoveEvent(). Because it seemed to belong here (why not allow
6887 piece drops in training games?), and because it can only be
6888 performed after it is known to what we promote. */
6889 if (gameMode == Training) {
6890 /* compare the move played on the board to the next move in the
6891 * game. If they match, display the move and the opponent's response.
6892 * If they don't match, display an error message.
6896 CopyBoard(testBoard, boards[currentMove]);
6897 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6899 if (CompareBoards(testBoard, boards[currentMove+1])) {
6900 ForwardInner(currentMove+1);
6902 /* Autoplay the opponent's response.
6903 * if appData.animate was TRUE when Training mode was entered,
6904 * the response will be animated.
6906 saveAnimate = appData.animate;
6907 appData.animate = animateTraining;
6908 ForwardInner(currentMove+1);
6909 appData.animate = saveAnimate;
6911 /* check for the end of the game */
6912 if (currentMove >= forwardMostMove) {
6913 gameMode = PlayFromGameFile;
6915 SetTrainingModeOff();
6916 DisplayInformation(_("End of game"));
6919 DisplayError(_("Incorrect move"), 0);
6924 /* Ok, now we know that the move is good, so we can kill
6925 the previous line in Analysis Mode */
6926 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6927 && currentMove < forwardMostMove) {
6928 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6929 else forwardMostMove = currentMove;
6934 /* If we need the chess program but it's dead, restart it */
6935 ResurrectChessProgram();
6937 /* A user move restarts a paused game*/
6941 thinkOutput[0] = NULLCHAR;
6943 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6945 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6946 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6950 if (gameMode == BeginningOfGame) {
6951 if (appData.noChessProgram) {
6952 gameMode = EditGame;
6956 gameMode = MachinePlaysBlack;
6959 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6961 if (first.sendName) {
6962 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6963 SendToProgram(buf, &first);
6970 /* Relay move to ICS or chess engine */
6971 if (appData.icsActive) {
6972 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6973 gameMode == IcsExamining) {
6974 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6975 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6977 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6979 // also send plain move, in case ICS does not understand atomic claims
6980 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6984 if (first.sendTime && (gameMode == BeginningOfGame ||
6985 gameMode == MachinePlaysWhite ||
6986 gameMode == MachinePlaysBlack)) {
6987 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6989 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
6990 // [HGM] book: if program might be playing, let it use book
6991 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6992 first.maybeThinking = TRUE;
6993 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6994 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6995 SendBoard(&first, currentMove+1);
6996 if(second.analyzing) {
6997 if(!second.useSetboard) SendToProgram("undo\n", &second);
6998 SendBoard(&second, currentMove+1);
7001 SendMoveToProgram(forwardMostMove-1, &first);
7002 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7004 if (currentMove == cmailOldMove + 1) {
7005 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7009 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7013 if(appData.testLegality)
7014 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7020 if (WhiteOnMove(currentMove)) {
7021 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7023 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7027 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7032 case MachinePlaysBlack:
7033 case MachinePlaysWhite:
7034 /* disable certain menu options while machine is thinking */
7035 SetMachineThinkingEnables();
7042 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7043 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7045 if(bookHit) { // [HGM] book: simulate book reply
7046 static char bookMove[MSG_SIZ]; // a bit generous?
7048 programStats.nodes = programStats.depth = programStats.time =
7049 programStats.score = programStats.got_only_move = 0;
7050 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7052 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7053 strcat(bookMove, bookHit);
7054 HandleMachineMove(bookMove, &first);
7060 MarkByFEN(char *fen)
7063 if(!appData.markers || !appData.highlightDragging) return;
7064 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7065 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7069 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7070 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 1; else
7071 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7072 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7073 if(*fen == 'T') marker[r][f++] = 0; else
7074 if(*fen == 'Y') marker[r][f++] = 1; else
7075 if(*fen == 'G') marker[r][f++] = 3; else
7076 if(*fen == 'B') marker[r][f++] = 4; else
7077 if(*fen == 'C') marker[r][f++] = 5; else
7078 if(*fen == 'M') marker[r][f++] = 6; else
7079 if(*fen == 'W') marker[r][f++] = 7; else
7080 if(*fen == 'D') marker[r][f++] = 8; else
7081 if(*fen == 'R') marker[r][f++] = 2; else {
7082 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7085 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7089 DrawPosition(TRUE, NULL);
7093 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7095 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7096 Markers *m = (Markers *) closure;
7097 if(rf == fromY && ff == fromX)
7098 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7099 || kind == WhiteCapturesEnPassant
7100 || kind == BlackCapturesEnPassant);
7101 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
7105 MarkTargetSquares (int clear)
7108 if(clear) { // no reason to ever suppress clearing
7109 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7110 if(!sum) return; // nothing was cleared,no redraw needed
7113 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7114 !appData.testLegality || gameMode == EditPosition) return;
7115 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7116 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7117 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7119 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7122 DrawPosition(FALSE, NULL);
7126 Explode (Board board, int fromX, int fromY, int toX, int toY)
7128 if(gameInfo.variant == VariantAtomic &&
7129 (board[toY][toX] != EmptySquare || // capture?
7130 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7131 board[fromY][fromX] == BlackPawn )
7133 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7139 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7142 CanPromote (ChessSquare piece, int y)
7144 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7145 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7146 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
7147 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7148 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7149 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) return FALSE;
7150 return (piece == BlackPawn && y == 1 ||
7151 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
7152 piece == BlackLance && y == 1 ||
7153 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7157 HoverEvent (int hiX, int hiY, int x, int y)
7159 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7161 if(!first.highlight) return;
7162 if(hiX == -1 && hiY == -1 && x == fromX && y == fromY) // record markings
7163 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7164 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7165 else if(hiX != x || hiY != y) {
7166 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7167 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7168 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7169 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7171 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7172 SendToProgram(buf, &first);
7174 SetHighlights(fromX, fromY, x, y);
7178 void ReportClick(char *action, int x, int y)
7180 char buf[MSG_SIZ]; // Inform engine of what user does
7182 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7183 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 1, marker[r][f] = 0;
7184 if(!first.highlight || gameMode == EditPosition) return;
7185 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7186 SendToProgram(buf, &first);
7190 LeftClick (ClickType clickType, int xPix, int yPix)
7193 Boolean saveAnimate;
7194 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7195 char promoChoice = NULLCHAR;
7197 static TimeMark lastClickTime, prevClickTime;
7199 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7201 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7203 if (clickType == Press) ErrorPopDown();
7204 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7206 x = EventToSquare(xPix, BOARD_WIDTH);
7207 y = EventToSquare(yPix, BOARD_HEIGHT);
7208 if (!flipView && y >= 0) {
7209 y = BOARD_HEIGHT - 1 - y;
7211 if (flipView && x >= 0) {
7212 x = BOARD_WIDTH - 1 - x;
7215 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7216 defaultPromoChoice = promoSweep;
7217 promoSweep = EmptySquare; // terminate sweep
7218 promoDefaultAltered = TRUE;
7219 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7222 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7223 if(clickType == Release) return; // ignore upclick of click-click destination
7224 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7225 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7226 if(gameInfo.holdingsWidth &&
7227 (WhiteOnMove(currentMove)
7228 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7229 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7230 // click in right holdings, for determining promotion piece
7231 ChessSquare p = boards[currentMove][y][x];
7232 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7233 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7234 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7235 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7240 DrawPosition(FALSE, boards[currentMove]);
7244 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7245 if(clickType == Press
7246 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7247 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7248 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7251 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7252 // could be static click on premove from-square: abort premove
7254 ClearPremoveHighlights();
7257 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7258 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7260 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7261 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7262 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7263 defaultPromoChoice = DefaultPromoChoice(side);
7266 autoQueen = appData.alwaysPromoteToQueen;
7270 gatingPiece = EmptySquare;
7271 if (clickType != Press) {
7272 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7273 DragPieceEnd(xPix, yPix); dragging = 0;
7274 DrawPosition(FALSE, NULL);
7278 doubleClick = FALSE;
7279 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7280 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7282 fromX = x; fromY = y; toX = toY = -1;
7283 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7284 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7285 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7287 if (OKToStartUserMove(fromX, fromY)) {
7289 ReportClick("lift", x, y);
7290 MarkTargetSquares(0);
7291 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7292 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7293 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7294 promoSweep = defaultPromoChoice;
7295 selectFlag = 0; lastX = xPix; lastY = yPix;
7296 Sweep(0); // Pawn that is going to promote: preview promotion piece
7297 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7299 if (appData.highlightDragging) {
7300 SetHighlights(fromX, fromY, -1, -1);
7304 } else fromX = fromY = -1;
7310 if (clickType == Press && gameMode != EditPosition) {
7315 // ignore off-board to clicks
7316 if(y < 0 || x < 0) return;
7318 /* Check if clicking again on the same color piece */
7319 fromP = boards[currentMove][fromY][fromX];
7320 toP = boards[currentMove][y][x];
7321 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7322 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
7323 WhitePawn <= toP && toP <= WhiteKing &&
7324 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7325 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7326 (BlackPawn <= fromP && fromP <= BlackKing &&
7327 BlackPawn <= toP && toP <= BlackKing &&
7328 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7329 !(fromP == BlackKing && toP == BlackRook && frc))) {
7330 /* Clicked again on same color piece -- changed his mind */
7331 second = (x == fromX && y == fromY);
7332 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7333 second = FALSE; // first double-click rather than scond click
7334 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7336 promoDefaultAltered = FALSE;
7337 MarkTargetSquares(1);
7338 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7339 if (appData.highlightDragging) {
7340 SetHighlights(x, y, -1, -1);
7344 if (OKToStartUserMove(x, y)) {
7345 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7346 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7347 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7348 gatingPiece = boards[currentMove][fromY][fromX];
7349 else gatingPiece = doubleClick ? fromP : EmptySquare;
7351 fromY = y; dragging = 1;
7352 ReportClick("lift", x, y);
7353 MarkTargetSquares(0);
7354 DragPieceBegin(xPix, yPix, FALSE);
7355 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7356 promoSweep = defaultPromoChoice;
7357 selectFlag = 0; lastX = xPix; lastY = yPix;
7358 Sweep(0); // Pawn that is going to promote: preview promotion piece
7362 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7365 // ignore clicks on holdings
7366 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7369 if (clickType == Release && x == fromX && y == fromY) {
7370 DragPieceEnd(xPix, yPix); dragging = 0;
7372 // a deferred attempt to click-click move an empty square on top of a piece
7373 boards[currentMove][y][x] = EmptySquare;
7375 DrawPosition(FALSE, boards[currentMove]);
7376 fromX = fromY = -1; clearFlag = 0;
7379 if (appData.animateDragging) {
7380 /* Undo animation damage if any */
7381 DrawPosition(FALSE, NULL);
7383 if (second || sweepSelecting) {
7384 /* Second up/down in same square; just abort move */
7385 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7386 second = sweepSelecting = 0;
7388 gatingPiece = EmptySquare;
7389 MarkTargetSquares(1);
7392 ClearPremoveHighlights();
7394 /* First upclick in same square; start click-click mode */
7395 SetHighlights(x, y, -1, -1);
7402 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x]) {
7403 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7404 DisplayMessage(_("only marked squares are legal"),"");
7405 DrawPosition(TRUE, NULL);
7406 return; // ignore to-click
7409 /* we now have a different from- and (possibly off-board) to-square */
7410 /* Completed move */
7411 if(!sweepSelecting) {
7414 } else sweepSelecting = 0; // this must be the up-click corresponding to the down-click that started the sweep
7416 saveAnimate = appData.animate;
7417 if (clickType == Press) {
7418 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7419 // must be Edit Position mode with empty-square selected
7420 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7421 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7424 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7425 if(appData.sweepSelect) {
7426 ChessSquare piece = boards[currentMove][fromY][fromX];
7427 promoSweep = defaultPromoChoice;
7428 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7429 selectFlag = 0; lastX = xPix; lastY = yPix;
7430 Sweep(0); // Pawn that is going to promote: preview promotion piece
7432 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7433 MarkTargetSquares(1);
7435 return; // promo popup appears on up-click
7437 /* Finish clickclick move */
7438 if (appData.animate || appData.highlightLastMove) {
7439 SetHighlights(fromX, fromY, toX, toY);
7445 // [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
7446 /* Finish drag move */
7447 if (appData.highlightLastMove) {
7448 SetHighlights(fromX, fromY, toX, toY);
7453 DragPieceEnd(xPix, yPix); dragging = 0;
7454 /* Don't animate move and drag both */
7455 appData.animate = FALSE;
7458 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7459 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7460 ChessSquare piece = boards[currentMove][fromY][fromX];
7461 if(gameMode == EditPosition && piece != EmptySquare &&
7462 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7465 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7466 n = PieceToNumber(piece - (int)BlackPawn);
7467 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7468 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7469 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7471 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7472 n = PieceToNumber(piece);
7473 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7474 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7475 boards[currentMove][n][BOARD_WIDTH-2]++;
7477 boards[currentMove][fromY][fromX] = EmptySquare;
7481 MarkTargetSquares(1);
7482 DrawPosition(TRUE, boards[currentMove]);
7486 // off-board moves should not be highlighted
7487 if(x < 0 || y < 0) ClearHighlights();
7488 else ReportClick("put", x, y);
7490 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7492 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7493 SetHighlights(fromX, fromY, toX, toY);
7494 MarkTargetSquares(1);
7495 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7496 // [HGM] super: promotion to captured piece selected from holdings
7497 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7498 promotionChoice = TRUE;
7499 // kludge follows to temporarily execute move on display, without promoting yet
7500 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7501 boards[currentMove][toY][toX] = p;
7502 DrawPosition(FALSE, boards[currentMove]);
7503 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7504 boards[currentMove][toY][toX] = q;
7505 DisplayMessage("Click in holdings to choose piece", "");
7510 int oldMove = currentMove;
7511 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7512 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7513 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7514 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7515 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7516 DrawPosition(TRUE, boards[currentMove]);
7517 MarkTargetSquares(1);
7520 appData.animate = saveAnimate;
7521 if (appData.animate || appData.animateDragging) {
7522 /* Undo animation damage if needed */
7523 DrawPosition(FALSE, NULL);
7528 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7529 { // front-end-free part taken out of PieceMenuPopup
7530 int whichMenu; int xSqr, ySqr;
7532 if(seekGraphUp) { // [HGM] seekgraph
7533 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7534 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7538 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7539 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7540 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7541 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7542 if(action == Press) {
7543 originalFlip = flipView;
7544 flipView = !flipView; // temporarily flip board to see game from partners perspective
7545 DrawPosition(TRUE, partnerBoard);
7546 DisplayMessage(partnerStatus, "");
7548 } else if(action == Release) {
7549 flipView = originalFlip;
7550 DrawPosition(TRUE, boards[currentMove]);
7556 xSqr = EventToSquare(x, BOARD_WIDTH);
7557 ySqr = EventToSquare(y, BOARD_HEIGHT);
7558 if (action == Release) {
7559 if(pieceSweep != EmptySquare) {
7560 EditPositionMenuEvent(pieceSweep, toX, toY);
7561 pieceSweep = EmptySquare;
7562 } else UnLoadPV(); // [HGM] pv
7564 if (action != Press) return -2; // return code to be ignored
7567 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7569 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7570 if (xSqr < 0 || ySqr < 0) return -1;
7571 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7572 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7573 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7574 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7578 if(!appData.icsEngineAnalyze) return -1;
7579 case IcsPlayingWhite:
7580 case IcsPlayingBlack:
7581 if(!appData.zippyPlay) goto noZip;
7584 case MachinePlaysWhite:
7585 case MachinePlaysBlack:
7586 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7587 if (!appData.dropMenu) {
7589 return 2; // flag front-end to grab mouse events
7591 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7592 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7595 if (xSqr < 0 || ySqr < 0) return -1;
7596 if (!appData.dropMenu || appData.testLegality &&
7597 gameInfo.variant != VariantBughouse &&
7598 gameInfo.variant != VariantCrazyhouse) return -1;
7599 whichMenu = 1; // drop menu
7605 if (((*fromX = xSqr) < 0) ||
7606 ((*fromY = ySqr) < 0)) {
7607 *fromX = *fromY = -1;
7611 *fromX = BOARD_WIDTH - 1 - *fromX;
7613 *fromY = BOARD_HEIGHT - 1 - *fromY;
7619 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7621 // char * hint = lastHint;
7622 FrontEndProgramStats stats;
7624 stats.which = cps == &first ? 0 : 1;
7625 stats.depth = cpstats->depth;
7626 stats.nodes = cpstats->nodes;
7627 stats.score = cpstats->score;
7628 stats.time = cpstats->time;
7629 stats.pv = cpstats->movelist;
7630 stats.hint = lastHint;
7631 stats.an_move_index = 0;
7632 stats.an_move_count = 0;
7634 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7635 stats.hint = cpstats->move_name;
7636 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7637 stats.an_move_count = cpstats->nr_moves;
7640 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
7642 SetProgramStats( &stats );
7646 ClearEngineOutputPane (int which)
7648 static FrontEndProgramStats dummyStats;
7649 dummyStats.which = which;
7650 dummyStats.pv = "#";
7651 SetProgramStats( &dummyStats );
7654 #define MAXPLAYERS 500
7657 TourneyStandings (int display)
7659 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7660 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7661 char result, *p, *names[MAXPLAYERS];
7663 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7664 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7665 names[0] = p = strdup(appData.participants);
7666 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7668 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7670 while(result = appData.results[nr]) {
7671 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7672 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7673 wScore = bScore = 0;
7675 case '+': wScore = 2; break;
7676 case '-': bScore = 2; break;
7677 case '=': wScore = bScore = 1; break;
7679 case '*': return strdup("busy"); // tourney not finished
7687 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7688 for(w=0; w<nPlayers; w++) {
7690 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7691 ranking[w] = b; points[w] = bScore; score[b] = -2;
7693 p = malloc(nPlayers*34+1);
7694 for(w=0; w<nPlayers && w<display; w++)
7695 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7701 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7702 { // count all piece types
7704 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7705 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7706 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7709 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7710 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7711 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7712 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7713 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7714 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7719 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7721 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7722 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7724 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7725 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7726 if(myPawns == 2 && nMine == 3) // KPP
7727 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7728 if(myPawns == 1 && nMine == 2) // KP
7729 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7730 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7731 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7732 if(myPawns) return FALSE;
7733 if(pCnt[WhiteRook+side])
7734 return pCnt[BlackRook-side] ||
7735 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7736 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7737 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7738 if(pCnt[WhiteCannon+side]) {
7739 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7740 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7742 if(pCnt[WhiteKnight+side])
7743 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7748 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7750 VariantClass v = gameInfo.variant;
7752 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7753 if(v == VariantShatranj) return TRUE; // always winnable through baring
7754 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7755 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7757 if(v == VariantXiangqi) {
7758 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7760 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7761 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7762 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7763 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7764 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7765 if(stale) // we have at least one last-rank P plus perhaps C
7766 return majors // KPKX
7767 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7769 return pCnt[WhiteFerz+side] // KCAK
7770 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7771 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7772 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7774 } else if(v == VariantKnightmate) {
7775 if(nMine == 1) return FALSE;
7776 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7777 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7778 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7780 if(nMine == 1) return FALSE; // bare King
7781 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
7782 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7783 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7784 // by now we have King + 1 piece (or multiple Bishops on the same color)
7785 if(pCnt[WhiteKnight+side])
7786 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7787 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7788 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7790 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7791 if(pCnt[WhiteAlfil+side])
7792 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7793 if(pCnt[WhiteWazir+side])
7794 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7801 CompareWithRights (Board b1, Board b2)
7804 if(!CompareBoards(b1, b2)) return FALSE;
7805 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7806 /* compare castling rights */
7807 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7808 rights++; /* King lost rights, while rook still had them */
7809 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7810 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7811 rights++; /* but at least one rook lost them */
7813 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7815 if( b1[CASTLING][5] != NoRights ) {
7816 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7823 Adjudicate (ChessProgramState *cps)
7824 { // [HGM] some adjudications useful with buggy engines
7825 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7826 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7827 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7828 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7829 int k, drop, count = 0; static int bare = 1;
7830 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7831 Boolean canAdjudicate = !appData.icsActive;
7833 // most tests only when we understand the game, i.e. legality-checking on
7834 if( appData.testLegality )
7835 { /* [HGM] Some more adjudications for obstinate engines */
7836 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7837 static int moveCount = 6;
7839 char *reason = NULL;
7841 /* Count what is on board. */
7842 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7844 /* Some material-based adjudications that have to be made before stalemate test */
7845 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7846 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7847 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7848 if(canAdjudicate && appData.checkMates) {
7850 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7851 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7852 "Xboard adjudication: King destroyed", GE_XBOARD );
7857 /* Bare King in Shatranj (loses) or Losers (wins) */
7858 if( nrW == 1 || nrB == 1) {
7859 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7860 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7861 if(canAdjudicate && appData.checkMates) {
7863 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7864 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7865 "Xboard adjudication: Bare king", GE_XBOARD );
7869 if( gameInfo.variant == VariantShatranj && --bare < 0)
7871 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7872 if(canAdjudicate && appData.checkMates) {
7873 /* but only adjudicate if adjudication enabled */
7875 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7876 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7877 "Xboard adjudication: Bare king", GE_XBOARD );
7884 // don't wait for engine to announce game end if we can judge ourselves
7885 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7887 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7888 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7889 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7890 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7893 reason = "Xboard adjudication: 3rd check";
7894 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7904 reason = "Xboard adjudication: Stalemate";
7905 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7906 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7907 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7908 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7909 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7910 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7911 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7912 EP_CHECKMATE : EP_WINS);
7913 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
7914 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7918 reason = "Xboard adjudication: Checkmate";
7919 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7920 if(gameInfo.variant == VariantShogi) {
7921 if(forwardMostMove > backwardMostMove
7922 && moveList[forwardMostMove-1][1] == '@'
7923 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
7924 reason = "XBoard adjudication: pawn-drop mate";
7925 boards[forwardMostMove][EP_STATUS] = EP_WINS;
7931 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7933 result = GameIsDrawn; break;
7935 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7937 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7941 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7943 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7944 GameEnds( result, reason, GE_XBOARD );
7948 /* Next absolutely insufficient mating material. */
7949 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7950 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7951 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7953 /* always flag draws, for judging claims */
7954 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7956 if(canAdjudicate && appData.materialDraws) {
7957 /* but only adjudicate them if adjudication enabled */
7958 if(engineOpponent) {
7959 SendToProgram("force\n", engineOpponent); // suppress reply
7960 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7962 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7967 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7968 if(gameInfo.variant == VariantXiangqi ?
7969 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7971 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7972 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7973 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7974 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7976 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7977 { /* if the first 3 moves do not show a tactical win, declare draw */
7978 if(engineOpponent) {
7979 SendToProgram("force\n", engineOpponent); // suppress reply
7980 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7982 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7985 } else moveCount = 6;
7988 // Repetition draws and 50-move rule can be applied independently of legality testing
7990 /* Check for rep-draws */
7992 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
7993 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
7994 for(k = forwardMostMove-2;
7995 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
7996 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7997 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8000 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8001 /* compare castling rights */
8002 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8003 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8004 rights++; /* King lost rights, while rook still had them */
8005 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8006 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8007 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8008 rights++; /* but at least one rook lost them */
8010 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8011 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8013 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8014 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8015 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8018 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8019 && appData.drawRepeats > 1) {
8020 /* adjudicate after user-specified nr of repeats */
8021 int result = GameIsDrawn;
8022 char *details = "XBoard adjudication: repetition draw";
8023 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8024 // [HGM] xiangqi: check for forbidden perpetuals
8025 int m, ourPerpetual = 1, hisPerpetual = 1;
8026 for(m=forwardMostMove; m>k; m-=2) {
8027 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8028 ourPerpetual = 0; // the current mover did not always check
8029 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8030 hisPerpetual = 0; // the opponent did not always check
8032 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8033 ourPerpetual, hisPerpetual);
8034 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8035 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8036 details = "Xboard adjudication: perpetual checking";
8038 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8039 break; // (or we would have caught him before). Abort repetition-checking loop.
8041 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8042 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8044 details = "Xboard adjudication: repetition";
8046 } else // it must be XQ
8047 // Now check for perpetual chases
8048 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8049 hisPerpetual = PerpetualChase(k, forwardMostMove);
8050 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8051 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8052 static char resdet[MSG_SIZ];
8053 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8055 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8057 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8058 break; // Abort repetition-checking loop.
8060 // if neither of us is checking or chasing all the time, or both are, it is draw
8062 if(engineOpponent) {
8063 SendToProgram("force\n", engineOpponent); // suppress reply
8064 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8066 GameEnds( result, details, GE_XBOARD );
8069 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8070 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8074 /* Now we test for 50-move draws. Determine ply count */
8075 count = forwardMostMove;
8076 /* look for last irreversble move */
8077 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8079 /* if we hit starting position, add initial plies */
8080 if( count == backwardMostMove )
8081 count -= initialRulePlies;
8082 count = forwardMostMove - count;
8083 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8084 // adjust reversible move counter for checks in Xiangqi
8085 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8086 if(i < backwardMostMove) i = backwardMostMove;
8087 while(i <= forwardMostMove) {
8088 lastCheck = inCheck; // check evasion does not count
8089 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8090 if(inCheck || lastCheck) count--; // check does not count
8095 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8096 /* this is used to judge if draw claims are legal */
8097 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8098 if(engineOpponent) {
8099 SendToProgram("force\n", engineOpponent); // suppress reply
8100 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8102 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8106 /* if draw offer is pending, treat it as a draw claim
8107 * when draw condition present, to allow engines a way to
8108 * claim draws before making their move to avoid a race
8109 * condition occurring after their move
8111 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8113 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8114 p = "Draw claim: 50-move rule";
8115 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8116 p = "Draw claim: 3-fold repetition";
8117 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8118 p = "Draw claim: insufficient mating material";
8119 if( p != NULL && canAdjudicate) {
8120 if(engineOpponent) {
8121 SendToProgram("force\n", engineOpponent); // suppress reply
8122 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8124 GameEnds( GameIsDrawn, p, GE_XBOARD );
8129 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8130 if(engineOpponent) {
8131 SendToProgram("force\n", engineOpponent); // suppress reply
8132 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8134 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8141 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8142 { // [HGM] book: this routine intercepts moves to simulate book replies
8143 char *bookHit = NULL;
8145 //first determine if the incoming move brings opponent into his book
8146 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8147 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8148 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8149 if(bookHit != NULL && !cps->bookSuspend) {
8150 // make sure opponent is not going to reply after receiving move to book position
8151 SendToProgram("force\n", cps);
8152 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8154 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8155 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8156 // now arrange restart after book miss
8158 // after a book hit we never send 'go', and the code after the call to this routine
8159 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8160 char buf[MSG_SIZ], *move = bookHit;
8162 int fromX, fromY, toX, toY;
8166 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8167 &fromX, &fromY, &toX, &toY, &promoChar)) {
8168 (void) CoordsToAlgebraic(boards[forwardMostMove],
8169 PosFlags(forwardMostMove),
8170 fromY, fromX, toY, toX, promoChar, move);
8172 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8176 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8177 SendToProgram(buf, cps);
8178 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8179 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8180 SendToProgram("go\n", cps);
8181 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8182 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8183 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8184 SendToProgram("go\n", cps);
8185 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8187 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8191 LoadError (char *errmess, ChessProgramState *cps)
8192 { // unloads engine and switches back to -ncp mode if it was first
8193 if(cps->initDone) return FALSE;
8194 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8195 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8198 appData.noChessProgram = TRUE;
8199 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8200 gameMode = BeginningOfGame; ModeHighlight();
8203 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8204 DisplayMessage("", ""); // erase waiting message
8205 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8210 ChessProgramState *savedState;
8212 DeferredBookMove (void)
8214 if(savedState->lastPing != savedState->lastPong)
8215 ScheduleDelayedEvent(DeferredBookMove, 10);
8217 HandleMachineMove(savedMessage, savedState);
8220 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8221 static ChessProgramState *stalledEngine;
8222 static char stashedInputMove[MSG_SIZ];
8225 HandleMachineMove (char *message, ChessProgramState *cps)
8227 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8228 char realname[MSG_SIZ];
8229 int fromX, fromY, toX, toY;
8233 int machineWhite, oldError;
8236 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8237 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8238 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8239 DisplayError(_("Invalid pairing from pairing engine"), 0);
8242 pairingReceived = 1;
8244 return; // Skim the pairing messages here.
8247 oldError = cps->userError; cps->userError = 0;
8249 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8251 * Kludge to ignore BEL characters
8253 while (*message == '\007') message++;
8256 * [HGM] engine debug message: ignore lines starting with '#' character
8258 if(cps->debug && *message == '#') return;
8261 * Look for book output
8263 if (cps == &first && bookRequested) {
8264 if (message[0] == '\t' || message[0] == ' ') {
8265 /* Part of the book output is here; append it */
8266 strcat(bookOutput, message);
8267 strcat(bookOutput, " \n");
8269 } else if (bookOutput[0] != NULLCHAR) {
8270 /* All of book output has arrived; display it */
8271 char *p = bookOutput;
8272 while (*p != NULLCHAR) {
8273 if (*p == '\t') *p = ' ';
8276 DisplayInformation(bookOutput);
8277 bookRequested = FALSE;
8278 /* Fall through to parse the current output */
8283 * Look for machine move.
8285 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8286 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8288 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8289 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8290 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8291 stalledEngine = cps;
8292 if(appData.ponderNextMove) { // bring opponent out of ponder
8293 if(gameMode == TwoMachinesPlay) {
8294 if(cps->other->pause)
8295 PauseEngine(cps->other);
8297 SendToProgram("easy\n", cps->other);
8304 /* This method is only useful on engines that support ping */
8305 if (cps->lastPing != cps->lastPong) {
8306 if (gameMode == BeginningOfGame) {
8307 /* Extra move from before last new; ignore */
8308 if (appData.debugMode) {
8309 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8312 if (appData.debugMode) {
8313 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8314 cps->which, gameMode);
8317 SendToProgram("undo\n", cps);
8323 case BeginningOfGame:
8324 /* Extra move from before last reset; ignore */
8325 if (appData.debugMode) {
8326 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8333 /* Extra move after we tried to stop. The mode test is
8334 not a reliable way of detecting this problem, but it's
8335 the best we can do on engines that don't support ping.
8337 if (appData.debugMode) {
8338 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8339 cps->which, gameMode);
8341 SendToProgram("undo\n", cps);
8344 case MachinePlaysWhite:
8345 case IcsPlayingWhite:
8346 machineWhite = TRUE;
8349 case MachinePlaysBlack:
8350 case IcsPlayingBlack:
8351 machineWhite = FALSE;
8354 case TwoMachinesPlay:
8355 machineWhite = (cps->twoMachinesColor[0] == 'w');
8358 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8359 if (appData.debugMode) {
8361 "Ignoring move out of turn by %s, gameMode %d"
8362 ", forwardMost %d\n",
8363 cps->which, gameMode, forwardMostMove);
8368 if(cps->alphaRank) AlphaRank(machineMove, 4);
8369 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8370 &fromX, &fromY, &toX, &toY, &promoChar)) {
8371 /* Machine move could not be parsed; ignore it. */
8372 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8373 machineMove, _(cps->which));
8374 DisplayMoveError(buf1);
8375 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8376 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8377 if (gameMode == TwoMachinesPlay) {
8378 GameEnds(machineWhite ? BlackWins : WhiteWins,
8384 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8385 /* So we have to redo legality test with true e.p. status here, */
8386 /* to make sure an illegal e.p. capture does not slip through, */
8387 /* to cause a forfeit on a justified illegal-move complaint */
8388 /* of the opponent. */
8389 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8391 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8392 fromY, fromX, toY, toX, promoChar);
8393 if(moveType == IllegalMove) {
8394 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8395 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8396 GameEnds(machineWhite ? BlackWins : WhiteWins,
8399 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8400 /* [HGM] Kludge to handle engines that send FRC-style castling
8401 when they shouldn't (like TSCP-Gothic) */
8403 case WhiteASideCastleFR:
8404 case BlackASideCastleFR:
8406 currentMoveString[2]++;
8408 case WhiteHSideCastleFR:
8409 case BlackHSideCastleFR:
8411 currentMoveString[2]--;
8413 default: ; // nothing to do, but suppresses warning of pedantic compilers
8416 hintRequested = FALSE;
8417 lastHint[0] = NULLCHAR;
8418 bookRequested = FALSE;
8419 /* Program may be pondering now */
8420 cps->maybeThinking = TRUE;
8421 if (cps->sendTime == 2) cps->sendTime = 1;
8422 if (cps->offeredDraw) cps->offeredDraw--;
8424 /* [AS] Save move info*/
8425 pvInfoList[ forwardMostMove ].score = programStats.score;
8426 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8427 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8429 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8431 /* Test suites abort the 'game' after one move */
8432 if(*appData.finger) {
8434 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8435 if(!f) f = fopen(appData.finger, "w");
8436 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8437 else { DisplayFatalError("Bad output file", errno, 0); return; }
8439 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8442 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8443 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8446 while( count < adjudicateLossPlies ) {
8447 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8450 score = -score; /* Flip score for winning side */
8453 if( score > adjudicateLossThreshold ) {
8460 if( count >= adjudicateLossPlies ) {
8461 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8463 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8464 "Xboard adjudication",
8471 if(Adjudicate(cps)) {
8472 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8473 return; // [HGM] adjudicate: for all automatic game ends
8477 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8479 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8480 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8482 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8484 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8486 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8487 char buf[3*MSG_SIZ];
8489 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8490 programStats.score / 100.,
8492 programStats.time / 100.,
8493 (unsigned int)programStats.nodes,
8494 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8495 programStats.movelist);
8497 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8502 /* [AS] Clear stats for next move */
8503 ClearProgramStats();
8504 thinkOutput[0] = NULLCHAR;
8505 hiddenThinkOutputState = 0;
8508 if (gameMode == TwoMachinesPlay) {
8509 /* [HGM] relaying draw offers moved to after reception of move */
8510 /* and interpreting offer as claim if it brings draw condition */
8511 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8512 SendToProgram("draw\n", cps->other);
8514 if (cps->other->sendTime) {
8515 SendTimeRemaining(cps->other,
8516 cps->other->twoMachinesColor[0] == 'w');
8518 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8519 if (firstMove && !bookHit) {
8521 if (cps->other->useColors) {
8522 SendToProgram(cps->other->twoMachinesColor, cps->other);
8524 SendToProgram("go\n", cps->other);
8526 cps->other->maybeThinking = TRUE;
8529 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8531 if (!pausing && appData.ringBellAfterMoves) {
8536 * Reenable menu items that were disabled while
8537 * machine was thinking
8539 if (gameMode != TwoMachinesPlay)
8540 SetUserThinkingEnables();
8542 // [HGM] book: after book hit opponent has received move and is now in force mode
8543 // force the book reply into it, and then fake that it outputted this move by jumping
8544 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8546 static char bookMove[MSG_SIZ]; // a bit generous?
8548 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8549 strcat(bookMove, bookHit);
8552 programStats.nodes = programStats.depth = programStats.time =
8553 programStats.score = programStats.got_only_move = 0;
8554 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8556 if(cps->lastPing != cps->lastPong) {
8557 savedMessage = message; // args for deferred call
8559 ScheduleDelayedEvent(DeferredBookMove, 10);
8568 /* Set special modes for chess engines. Later something general
8569 * could be added here; for now there is just one kludge feature,
8570 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8571 * when "xboard" is given as an interactive command.
8573 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8574 cps->useSigint = FALSE;
8575 cps->useSigterm = FALSE;
8577 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8578 ParseFeatures(message+8, cps);
8579 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8582 if (!strncmp(message, "setup ", 6) &&
8583 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown || NonStandardBoardSize())
8584 ) { // [HGM] allow first engine to define opening position
8585 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
8586 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8588 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8589 if(startedFromSetupPosition) return;
8590 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
8592 while(message[s] && message[s++] != ' ');
8593 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
8594 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
8595 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
8596 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
8597 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
8598 if(*buf) SetCharTable(pieceToChar, buf); // do again, for it was spoiled by InitPosition
8601 ParseFEN(boards[0], &dummy, message+s, FALSE);
8602 DrawPosition(TRUE, boards[0]);
8603 startedFromSetupPosition = TRUE;
8606 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8607 * want this, I was asked to put it in, and obliged.
8609 if (!strncmp(message, "setboard ", 9)) {
8610 Board initial_position;
8612 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8614 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
8615 DisplayError(_("Bad FEN received from engine"), 0);
8619 CopyBoard(boards[0], initial_position);
8620 initialRulePlies = FENrulePlies;
8621 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8622 else gameMode = MachinePlaysBlack;
8623 DrawPosition(FALSE, boards[currentMove]);
8629 * Look for communication commands
8631 if (!strncmp(message, "telluser ", 9)) {
8632 if(message[9] == '\\' && message[10] == '\\')
8633 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8635 DisplayNote(message + 9);
8638 if (!strncmp(message, "tellusererror ", 14)) {
8640 if(message[14] == '\\' && message[15] == '\\')
8641 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8643 DisplayError(message + 14, 0);
8646 if (!strncmp(message, "tellopponent ", 13)) {
8647 if (appData.icsActive) {
8649 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8653 DisplayNote(message + 13);
8657 if (!strncmp(message, "tellothers ", 11)) {
8658 if (appData.icsActive) {
8660 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8663 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8666 if (!strncmp(message, "tellall ", 8)) {
8667 if (appData.icsActive) {
8669 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8673 DisplayNote(message + 8);
8677 if (strncmp(message, "warning", 7) == 0) {
8678 /* Undocumented feature, use tellusererror in new code */
8679 DisplayError(message, 0);
8682 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8683 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8684 strcat(realname, " query");
8685 AskQuestion(realname, buf2, buf1, cps->pr);
8688 /* Commands from the engine directly to ICS. We don't allow these to be
8689 * sent until we are logged on. Crafty kibitzes have been known to
8690 * interfere with the login process.
8693 if (!strncmp(message, "tellics ", 8)) {
8694 SendToICS(message + 8);
8698 if (!strncmp(message, "tellicsnoalias ", 15)) {
8699 SendToICS(ics_prefix);
8700 SendToICS(message + 15);
8704 /* The following are for backward compatibility only */
8705 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8706 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8707 SendToICS(ics_prefix);
8713 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8716 if(!strncmp(message, "highlight ", 10)) {
8717 if(appData.testLegality && appData.markers) return;
8718 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
8721 if(!strncmp(message, "click ", 6)) {
8722 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
8723 if(appData.testLegality || !appData.oneClick) return;
8724 sscanf(message+6, "%c%d%c", &f, &y, &c);
8725 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
8726 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
8727 x = x*squareSize + (x+1)*lineGap + squareSize/2;
8728 y = y*squareSize + (y+1)*lineGap + squareSize/2;
8729 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
8730 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
8731 LeftClick(Release, lastLeftX, lastLeftY);
8732 controlKey = (c == ',');
8733 LeftClick(Press, x, y);
8734 LeftClick(Release, x, y);
8735 first.highlight = f;
8739 * If the move is illegal, cancel it and redraw the board.
8740 * Also deal with other error cases. Matching is rather loose
8741 * here to accommodate engines written before the spec.
8743 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8744 strncmp(message, "Error", 5) == 0) {
8745 if (StrStr(message, "name") ||
8746 StrStr(message, "rating") || StrStr(message, "?") ||
8747 StrStr(message, "result") || StrStr(message, "board") ||
8748 StrStr(message, "bk") || StrStr(message, "computer") ||
8749 StrStr(message, "variant") || StrStr(message, "hint") ||
8750 StrStr(message, "random") || StrStr(message, "depth") ||
8751 StrStr(message, "accepted")) {
8754 if (StrStr(message, "protover")) {
8755 /* Program is responding to input, so it's apparently done
8756 initializing, and this error message indicates it is
8757 protocol version 1. So we don't need to wait any longer
8758 for it to initialize and send feature commands. */
8759 FeatureDone(cps, 1);
8760 cps->protocolVersion = 1;
8763 cps->maybeThinking = FALSE;
8765 if (StrStr(message, "draw")) {
8766 /* Program doesn't have "draw" command */
8767 cps->sendDrawOffers = 0;
8770 if (cps->sendTime != 1 &&
8771 (StrStr(message, "time") || StrStr(message, "otim"))) {
8772 /* Program apparently doesn't have "time" or "otim" command */
8776 if (StrStr(message, "analyze")) {
8777 cps->analysisSupport = FALSE;
8778 cps->analyzing = FALSE;
8779 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8780 EditGameEvent(); // [HGM] try to preserve loaded game
8781 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8782 DisplayError(buf2, 0);
8785 if (StrStr(message, "(no matching move)st")) {
8786 /* Special kludge for GNU Chess 4 only */
8787 cps->stKludge = TRUE;
8788 SendTimeControl(cps, movesPerSession, timeControl,
8789 timeIncrement, appData.searchDepth,
8793 if (StrStr(message, "(no matching move)sd")) {
8794 /* Special kludge for GNU Chess 4 only */
8795 cps->sdKludge = TRUE;
8796 SendTimeControl(cps, movesPerSession, timeControl,
8797 timeIncrement, appData.searchDepth,
8801 if (!StrStr(message, "llegal")) {
8804 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8805 gameMode == IcsIdle) return;
8806 if (forwardMostMove <= backwardMostMove) return;
8807 if (pausing) PauseEvent();
8808 if(appData.forceIllegal) {
8809 // [HGM] illegal: machine refused move; force position after move into it
8810 SendToProgram("force\n", cps);
8811 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8812 // we have a real problem now, as SendBoard will use the a2a3 kludge
8813 // when black is to move, while there might be nothing on a2 or black
8814 // might already have the move. So send the board as if white has the move.
8815 // But first we must change the stm of the engine, as it refused the last move
8816 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8817 if(WhiteOnMove(forwardMostMove)) {
8818 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8819 SendBoard(cps, forwardMostMove); // kludgeless board
8821 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8822 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8823 SendBoard(cps, forwardMostMove+1); // kludgeless board
8825 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8826 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8827 gameMode == TwoMachinesPlay)
8828 SendToProgram("go\n", cps);
8831 if (gameMode == PlayFromGameFile) {
8832 /* Stop reading this game file */
8833 gameMode = EditGame;
8836 /* [HGM] illegal-move claim should forfeit game when Xboard */
8837 /* only passes fully legal moves */
8838 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8839 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8840 "False illegal-move claim", GE_XBOARD );
8841 return; // do not take back move we tested as valid
8843 currentMove = forwardMostMove-1;
8844 DisplayMove(currentMove-1); /* before DisplayMoveError */
8845 SwitchClocks(forwardMostMove-1); // [HGM] race
8846 DisplayBothClocks();
8847 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8848 parseList[currentMove], _(cps->which));
8849 DisplayMoveError(buf1);
8850 DrawPosition(FALSE, boards[currentMove]);
8852 SetUserThinkingEnables();
8855 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8856 /* Program has a broken "time" command that
8857 outputs a string not ending in newline.
8863 * If chess program startup fails, exit with an error message.
8864 * Attempts to recover here are futile. [HGM] Well, we try anyway
8866 if ((StrStr(message, "unknown host") != NULL)
8867 || (StrStr(message, "No remote directory") != NULL)
8868 || (StrStr(message, "not found") != NULL)
8869 || (StrStr(message, "No such file") != NULL)
8870 || (StrStr(message, "can't alloc") != NULL)
8871 || (StrStr(message, "Permission denied") != NULL)) {
8873 cps->maybeThinking = FALSE;
8874 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8875 _(cps->which), cps->program, cps->host, message);
8876 RemoveInputSource(cps->isr);
8877 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8878 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8879 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8885 * Look for hint output
8887 if (sscanf(message, "Hint: %s", buf1) == 1) {
8888 if (cps == &first && hintRequested) {
8889 hintRequested = FALSE;
8890 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8891 &fromX, &fromY, &toX, &toY, &promoChar)) {
8892 (void) CoordsToAlgebraic(boards[forwardMostMove],
8893 PosFlags(forwardMostMove),
8894 fromY, fromX, toY, toX, promoChar, buf1);
8895 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8896 DisplayInformation(buf2);
8898 /* Hint move could not be parsed!? */
8899 snprintf(buf2, sizeof(buf2),
8900 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8901 buf1, _(cps->which));
8902 DisplayError(buf2, 0);
8905 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8911 * Ignore other messages if game is not in progress
8913 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8914 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8917 * look for win, lose, draw, or draw offer
8919 if (strncmp(message, "1-0", 3) == 0) {
8920 char *p, *q, *r = "";
8921 p = strchr(message, '{');
8929 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8931 } else if (strncmp(message, "0-1", 3) == 0) {
8932 char *p, *q, *r = "";
8933 p = strchr(message, '{');
8941 /* Kludge for Arasan 4.1 bug */
8942 if (strcmp(r, "Black resigns") == 0) {
8943 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8946 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8948 } else if (strncmp(message, "1/2", 3) == 0) {
8949 char *p, *q, *r = "";
8950 p = strchr(message, '{');
8959 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8962 } else if (strncmp(message, "White resign", 12) == 0) {
8963 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8965 } else if (strncmp(message, "Black resign", 12) == 0) {
8966 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8968 } else if (strncmp(message, "White matches", 13) == 0 ||
8969 strncmp(message, "Black matches", 13) == 0 ) {
8970 /* [HGM] ignore GNUShogi noises */
8972 } else if (strncmp(message, "White", 5) == 0 &&
8973 message[5] != '(' &&
8974 StrStr(message, "Black") == NULL) {
8975 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8977 } else if (strncmp(message, "Black", 5) == 0 &&
8978 message[5] != '(') {
8979 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8981 } else if (strcmp(message, "resign") == 0 ||
8982 strcmp(message, "computer resigns") == 0) {
8984 case MachinePlaysBlack:
8985 case IcsPlayingBlack:
8986 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8988 case MachinePlaysWhite:
8989 case IcsPlayingWhite:
8990 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8992 case TwoMachinesPlay:
8993 if (cps->twoMachinesColor[0] == 'w')
8994 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8996 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9003 } else if (strncmp(message, "opponent mates", 14) == 0) {
9005 case MachinePlaysBlack:
9006 case IcsPlayingBlack:
9007 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9009 case MachinePlaysWhite:
9010 case IcsPlayingWhite:
9011 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9013 case TwoMachinesPlay:
9014 if (cps->twoMachinesColor[0] == 'w')
9015 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9017 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9024 } else if (strncmp(message, "computer mates", 14) == 0) {
9026 case MachinePlaysBlack:
9027 case IcsPlayingBlack:
9028 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9030 case MachinePlaysWhite:
9031 case IcsPlayingWhite:
9032 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9034 case TwoMachinesPlay:
9035 if (cps->twoMachinesColor[0] == 'w')
9036 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9038 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9045 } else if (strncmp(message, "checkmate", 9) == 0) {
9046 if (WhiteOnMove(forwardMostMove)) {
9047 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9049 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9052 } else if (strstr(message, "Draw") != NULL ||
9053 strstr(message, "game is a draw") != NULL) {
9054 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9056 } else if (strstr(message, "offer") != NULL &&
9057 strstr(message, "draw") != NULL) {
9059 if (appData.zippyPlay && first.initDone) {
9060 /* Relay offer to ICS */
9061 SendToICS(ics_prefix);
9062 SendToICS("draw\n");
9065 cps->offeredDraw = 2; /* valid until this engine moves twice */
9066 if (gameMode == TwoMachinesPlay) {
9067 if (cps->other->offeredDraw) {
9068 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9069 /* [HGM] in two-machine mode we delay relaying draw offer */
9070 /* until after we also have move, to see if it is really claim */
9072 } else if (gameMode == MachinePlaysWhite ||
9073 gameMode == MachinePlaysBlack) {
9074 if (userOfferedDraw) {
9075 DisplayInformation(_("Machine accepts your draw offer"));
9076 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9078 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9085 * Look for thinking output
9087 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9088 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9090 int plylev, mvleft, mvtot, curscore, time;
9091 char mvname[MOVE_LEN];
9095 int prefixHint = FALSE;
9096 mvname[0] = NULLCHAR;
9099 case MachinePlaysBlack:
9100 case IcsPlayingBlack:
9101 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9103 case MachinePlaysWhite:
9104 case IcsPlayingWhite:
9105 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9110 case IcsObserving: /* [DM] icsEngineAnalyze */
9111 if (!appData.icsEngineAnalyze) ignore = TRUE;
9113 case TwoMachinesPlay:
9114 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9124 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9126 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9127 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9129 if (plyext != ' ' && plyext != '\t') {
9133 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9134 if( cps->scoreIsAbsolute &&
9135 ( gameMode == MachinePlaysBlack ||
9136 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9137 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9138 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9139 !WhiteOnMove(currentMove)
9142 curscore = -curscore;
9145 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9147 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9150 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9151 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9152 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9153 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9154 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9155 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9159 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9160 DisplayError(_("failed writing PV"), 0);
9163 tempStats.depth = plylev;
9164 tempStats.nodes = nodes;
9165 tempStats.time = time;
9166 tempStats.score = curscore;
9167 tempStats.got_only_move = 0;
9169 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9172 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9173 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9174 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9175 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9176 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9177 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9178 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9179 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9182 /* Buffer overflow protection */
9183 if (pv[0] != NULLCHAR) {
9184 if (strlen(pv) >= sizeof(tempStats.movelist)
9185 && appData.debugMode) {
9187 "PV is too long; using the first %u bytes.\n",
9188 (unsigned) sizeof(tempStats.movelist) - 1);
9191 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9193 sprintf(tempStats.movelist, " no PV\n");
9196 if (tempStats.seen_stat) {
9197 tempStats.ok_to_send = 1;
9200 if (strchr(tempStats.movelist, '(') != NULL) {
9201 tempStats.line_is_book = 1;
9202 tempStats.nr_moves = 0;
9203 tempStats.moves_left = 0;
9205 tempStats.line_is_book = 0;
9208 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9209 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9211 SendProgramStatsToFrontend( cps, &tempStats );
9214 [AS] Protect the thinkOutput buffer from overflow... this
9215 is only useful if buf1 hasn't overflowed first!
9217 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9219 (gameMode == TwoMachinesPlay ?
9220 ToUpper(cps->twoMachinesColor[0]) : ' '),
9221 ((double) curscore) / 100.0,
9222 prefixHint ? lastHint : "",
9223 prefixHint ? " " : "" );
9225 if( buf1[0] != NULLCHAR ) {
9226 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9228 if( strlen(pv) > max_len ) {
9229 if( appData.debugMode) {
9230 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9232 pv[max_len+1] = '\0';
9235 strcat( thinkOutput, pv);
9238 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9239 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9240 DisplayMove(currentMove - 1);
9244 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9245 /* crafty (9.25+) says "(only move) <move>"
9246 * if there is only 1 legal move
9248 sscanf(p, "(only move) %s", buf1);
9249 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9250 sprintf(programStats.movelist, "%s (only move)", buf1);
9251 programStats.depth = 1;
9252 programStats.nr_moves = 1;
9253 programStats.moves_left = 1;
9254 programStats.nodes = 1;
9255 programStats.time = 1;
9256 programStats.got_only_move = 1;
9258 /* Not really, but we also use this member to
9259 mean "line isn't going to change" (Crafty
9260 isn't searching, so stats won't change) */
9261 programStats.line_is_book = 1;
9263 SendProgramStatsToFrontend( cps, &programStats );
9265 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9266 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9267 DisplayMove(currentMove - 1);
9270 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9271 &time, &nodes, &plylev, &mvleft,
9272 &mvtot, mvname) >= 5) {
9273 /* The stat01: line is from Crafty (9.29+) in response
9274 to the "." command */
9275 programStats.seen_stat = 1;
9276 cps->maybeThinking = TRUE;
9278 if (programStats.got_only_move || !appData.periodicUpdates)
9281 programStats.depth = plylev;
9282 programStats.time = time;
9283 programStats.nodes = nodes;
9284 programStats.moves_left = mvleft;
9285 programStats.nr_moves = mvtot;
9286 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9287 programStats.ok_to_send = 1;
9288 programStats.movelist[0] = '\0';
9290 SendProgramStatsToFrontend( cps, &programStats );
9294 } else if (strncmp(message,"++",2) == 0) {
9295 /* Crafty 9.29+ outputs this */
9296 programStats.got_fail = 2;
9299 } else if (strncmp(message,"--",2) == 0) {
9300 /* Crafty 9.29+ outputs this */
9301 programStats.got_fail = 1;
9304 } else if (thinkOutput[0] != NULLCHAR &&
9305 strncmp(message, " ", 4) == 0) {
9306 unsigned message_len;
9309 while (*p && *p == ' ') p++;
9311 message_len = strlen( p );
9313 /* [AS] Avoid buffer overflow */
9314 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9315 strcat(thinkOutput, " ");
9316 strcat(thinkOutput, p);
9319 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9320 strcat(programStats.movelist, " ");
9321 strcat(programStats.movelist, p);
9324 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9325 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9326 DisplayMove(currentMove - 1);
9334 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9335 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9337 ChessProgramStats cpstats;
9339 if (plyext != ' ' && plyext != '\t') {
9343 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9344 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9345 curscore = -curscore;
9348 cpstats.depth = plylev;
9349 cpstats.nodes = nodes;
9350 cpstats.time = time;
9351 cpstats.score = curscore;
9352 cpstats.got_only_move = 0;
9353 cpstats.movelist[0] = '\0';
9355 if (buf1[0] != NULLCHAR) {
9356 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9359 cpstats.ok_to_send = 0;
9360 cpstats.line_is_book = 0;
9361 cpstats.nr_moves = 0;
9362 cpstats.moves_left = 0;
9364 SendProgramStatsToFrontend( cps, &cpstats );
9371 /* Parse a game score from the character string "game", and
9372 record it as the history of the current game. The game
9373 score is NOT assumed to start from the standard position.
9374 The display is not updated in any way.
9377 ParseGameHistory (char *game)
9380 int fromX, fromY, toX, toY, boardIndex;
9385 if (appData.debugMode)
9386 fprintf(debugFP, "Parsing game history: %s\n", game);
9388 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9389 gameInfo.site = StrSave(appData.icsHost);
9390 gameInfo.date = PGNDate();
9391 gameInfo.round = StrSave("-");
9393 /* Parse out names of players */
9394 while (*game == ' ') game++;
9396 while (*game != ' ') *p++ = *game++;
9398 gameInfo.white = StrSave(buf);
9399 while (*game == ' ') game++;
9401 while (*game != ' ' && *game != '\n') *p++ = *game++;
9403 gameInfo.black = StrSave(buf);
9406 boardIndex = blackPlaysFirst ? 1 : 0;
9409 yyboardindex = boardIndex;
9410 moveType = (ChessMove) Myylex();
9412 case IllegalMove: /* maybe suicide chess, etc. */
9413 if (appData.debugMode) {
9414 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9415 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9416 setbuf(debugFP, NULL);
9418 case WhitePromotion:
9419 case BlackPromotion:
9420 case WhiteNonPromotion:
9421 case BlackNonPromotion:
9423 case WhiteCapturesEnPassant:
9424 case BlackCapturesEnPassant:
9425 case WhiteKingSideCastle:
9426 case WhiteQueenSideCastle:
9427 case BlackKingSideCastle:
9428 case BlackQueenSideCastle:
9429 case WhiteKingSideCastleWild:
9430 case WhiteQueenSideCastleWild:
9431 case BlackKingSideCastleWild:
9432 case BlackQueenSideCastleWild:
9434 case WhiteHSideCastleFR:
9435 case WhiteASideCastleFR:
9436 case BlackHSideCastleFR:
9437 case BlackASideCastleFR:
9439 fromX = currentMoveString[0] - AAA;
9440 fromY = currentMoveString[1] - ONE;
9441 toX = currentMoveString[2] - AAA;
9442 toY = currentMoveString[3] - ONE;
9443 promoChar = currentMoveString[4];
9447 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9448 fromX = moveType == WhiteDrop ?
9449 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9450 (int) CharToPiece(ToLower(currentMoveString[0]));
9452 toX = currentMoveString[2] - AAA;
9453 toY = currentMoveString[3] - ONE;
9454 promoChar = NULLCHAR;
9458 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9459 if (appData.debugMode) {
9460 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9461 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9462 setbuf(debugFP, NULL);
9464 DisplayError(buf, 0);
9466 case ImpossibleMove:
9468 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9469 if (appData.debugMode) {
9470 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9471 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9472 setbuf(debugFP, NULL);
9474 DisplayError(buf, 0);
9477 if (boardIndex < backwardMostMove) {
9478 /* Oops, gap. How did that happen? */
9479 DisplayError(_("Gap in move list"), 0);
9482 backwardMostMove = blackPlaysFirst ? 1 : 0;
9483 if (boardIndex > forwardMostMove) {
9484 forwardMostMove = boardIndex;
9488 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9489 strcat(parseList[boardIndex-1], " ");
9490 strcat(parseList[boardIndex-1], yy_text);
9502 case GameUnfinished:
9503 if (gameMode == IcsExamining) {
9504 if (boardIndex < backwardMostMove) {
9505 /* Oops, gap. How did that happen? */
9508 backwardMostMove = blackPlaysFirst ? 1 : 0;
9511 gameInfo.result = moveType;
9512 p = strchr(yy_text, '{');
9513 if (p == NULL) p = strchr(yy_text, '(');
9516 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9518 q = strchr(p, *p == '{' ? '}' : ')');
9519 if (q != NULL) *q = NULLCHAR;
9522 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9523 gameInfo.resultDetails = StrSave(p);
9526 if (boardIndex >= forwardMostMove &&
9527 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9528 backwardMostMove = blackPlaysFirst ? 1 : 0;
9531 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9532 fromY, fromX, toY, toX, promoChar,
9533 parseList[boardIndex]);
9534 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9535 /* currentMoveString is set as a side-effect of yylex */
9536 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9537 strcat(moveList[boardIndex], "\n");
9539 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9540 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9546 if(gameInfo.variant != VariantShogi)
9547 strcat(parseList[boardIndex - 1], "+");
9551 strcat(parseList[boardIndex - 1], "#");
9558 /* Apply a move to the given board */
9560 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9562 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9563 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9565 /* [HGM] compute & store e.p. status and castling rights for new position */
9566 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9568 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9569 oldEP = (signed char)board[EP_STATUS];
9570 board[EP_STATUS] = EP_NONE;
9572 if (fromY == DROP_RANK) {
9574 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9575 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9578 piece = board[toY][toX] = (ChessSquare) fromX;
9582 if( board[toY][toX] != EmptySquare )
9583 board[EP_STATUS] = EP_CAPTURE;
9585 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9586 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9587 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9589 if( board[fromY][fromX] == WhitePawn ) {
9590 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9591 board[EP_STATUS] = EP_PAWN_MOVE;
9593 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9594 gameInfo.variant != VariantBerolina || toX < fromX)
9595 board[EP_STATUS] = toX | berolina;
9596 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9597 gameInfo.variant != VariantBerolina || toX > fromX)
9598 board[EP_STATUS] = toX;
9601 if( board[fromY][fromX] == BlackPawn ) {
9602 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9603 board[EP_STATUS] = EP_PAWN_MOVE;
9604 if( toY-fromY== -2) {
9605 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9606 gameInfo.variant != VariantBerolina || toX < fromX)
9607 board[EP_STATUS] = toX | berolina;
9608 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9609 gameInfo.variant != VariantBerolina || toX > fromX)
9610 board[EP_STATUS] = toX;
9614 for(i=0; i<nrCastlingRights; i++) {
9615 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9616 board[CASTLING][i] == toX && castlingRank[i] == toY
9617 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9620 if(gameInfo.variant == VariantSChess) { // update virginity
9621 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9622 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9623 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9624 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9627 if (fromX == toX && fromY == toY) return;
9629 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9630 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9631 if(gameInfo.variant == VariantKnightmate)
9632 king += (int) WhiteUnicorn - (int) WhiteKing;
9634 /* Code added by Tord: */
9635 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9636 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9637 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9638 board[fromY][fromX] = EmptySquare;
9639 board[toY][toX] = EmptySquare;
9640 if((toX > fromX) != (piece == WhiteRook)) {
9641 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9643 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9645 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9646 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9647 board[fromY][fromX] = EmptySquare;
9648 board[toY][toX] = EmptySquare;
9649 if((toX > fromX) != (piece == BlackRook)) {
9650 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9652 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9654 /* End of code added by Tord */
9656 } else if (board[fromY][fromX] == king
9657 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9658 && toY == fromY && toX > fromX+1) {
9659 board[fromY][fromX] = EmptySquare;
9660 board[toY][toX] = king;
9661 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9662 board[fromY][BOARD_RGHT-1] = EmptySquare;
9663 } else if (board[fromY][fromX] == king
9664 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9665 && toY == fromY && toX < fromX-1) {
9666 board[fromY][fromX] = EmptySquare;
9667 board[toY][toX] = king;
9668 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9669 board[fromY][BOARD_LEFT] = EmptySquare;
9670 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9671 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9672 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9674 /* white pawn promotion */
9675 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9676 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9677 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9678 board[fromY][fromX] = EmptySquare;
9679 } else if ((fromY >= BOARD_HEIGHT>>1)
9680 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9682 && gameInfo.variant != VariantXiangqi
9683 && gameInfo.variant != VariantBerolina
9684 && (board[fromY][fromX] == WhitePawn)
9685 && (board[toY][toX] == EmptySquare)) {
9686 board[fromY][fromX] = EmptySquare;
9687 board[toY][toX] = WhitePawn;
9688 captured = board[toY - 1][toX];
9689 board[toY - 1][toX] = EmptySquare;
9690 } else if ((fromY == BOARD_HEIGHT-4)
9692 && gameInfo.variant == VariantBerolina
9693 && (board[fromY][fromX] == WhitePawn)
9694 && (board[toY][toX] == EmptySquare)) {
9695 board[fromY][fromX] = EmptySquare;
9696 board[toY][toX] = WhitePawn;
9697 if(oldEP & EP_BEROLIN_A) {
9698 captured = board[fromY][fromX-1];
9699 board[fromY][fromX-1] = EmptySquare;
9700 }else{ captured = board[fromY][fromX+1];
9701 board[fromY][fromX+1] = EmptySquare;
9703 } else if (board[fromY][fromX] == king
9704 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9705 && toY == fromY && toX > fromX+1) {
9706 board[fromY][fromX] = EmptySquare;
9707 board[toY][toX] = king;
9708 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9709 board[fromY][BOARD_RGHT-1] = EmptySquare;
9710 } else if (board[fromY][fromX] == king
9711 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9712 && toY == fromY && toX < fromX-1) {
9713 board[fromY][fromX] = EmptySquare;
9714 board[toY][toX] = king;
9715 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9716 board[fromY][BOARD_LEFT] = EmptySquare;
9717 } else if (fromY == 7 && fromX == 3
9718 && board[fromY][fromX] == BlackKing
9719 && toY == 7 && toX == 5) {
9720 board[fromY][fromX] = EmptySquare;
9721 board[toY][toX] = BlackKing;
9722 board[fromY][7] = EmptySquare;
9723 board[toY][4] = BlackRook;
9724 } else if (fromY == 7 && fromX == 3
9725 && board[fromY][fromX] == BlackKing
9726 && toY == 7 && toX == 1) {
9727 board[fromY][fromX] = EmptySquare;
9728 board[toY][toX] = BlackKing;
9729 board[fromY][0] = EmptySquare;
9730 board[toY][2] = BlackRook;
9731 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9732 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9733 && toY < promoRank && promoChar
9735 /* black pawn promotion */
9736 board[toY][toX] = CharToPiece(ToLower(promoChar));
9737 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9738 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9739 board[fromY][fromX] = EmptySquare;
9740 } else if ((fromY < BOARD_HEIGHT>>1)
9741 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9743 && gameInfo.variant != VariantXiangqi
9744 && gameInfo.variant != VariantBerolina
9745 && (board[fromY][fromX] == BlackPawn)
9746 && (board[toY][toX] == EmptySquare)) {
9747 board[fromY][fromX] = EmptySquare;
9748 board[toY][toX] = BlackPawn;
9749 captured = board[toY + 1][toX];
9750 board[toY + 1][toX] = EmptySquare;
9751 } else if ((fromY == 3)
9753 && gameInfo.variant == VariantBerolina
9754 && (board[fromY][fromX] == BlackPawn)
9755 && (board[toY][toX] == EmptySquare)) {
9756 board[fromY][fromX] = EmptySquare;
9757 board[toY][toX] = BlackPawn;
9758 if(oldEP & EP_BEROLIN_A) {
9759 captured = board[fromY][fromX-1];
9760 board[fromY][fromX-1] = EmptySquare;
9761 }else{ captured = board[fromY][fromX+1];
9762 board[fromY][fromX+1] = EmptySquare;
9765 board[toY][toX] = board[fromY][fromX];
9766 board[fromY][fromX] = EmptySquare;
9770 if (gameInfo.holdingsWidth != 0) {
9772 /* !!A lot more code needs to be written to support holdings */
9773 /* [HGM] OK, so I have written it. Holdings are stored in the */
9774 /* penultimate board files, so they are automaticlly stored */
9775 /* in the game history. */
9776 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9777 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9778 /* Delete from holdings, by decreasing count */
9779 /* and erasing image if necessary */
9780 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9781 if(p < (int) BlackPawn) { /* white drop */
9782 p -= (int)WhitePawn;
9783 p = PieceToNumber((ChessSquare)p);
9784 if(p >= gameInfo.holdingsSize) p = 0;
9785 if(--board[p][BOARD_WIDTH-2] <= 0)
9786 board[p][BOARD_WIDTH-1] = EmptySquare;
9787 if((int)board[p][BOARD_WIDTH-2] < 0)
9788 board[p][BOARD_WIDTH-2] = 0;
9789 } else { /* black drop */
9790 p -= (int)BlackPawn;
9791 p = PieceToNumber((ChessSquare)p);
9792 if(p >= gameInfo.holdingsSize) p = 0;
9793 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9794 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9795 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9796 board[BOARD_HEIGHT-1-p][1] = 0;
9799 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9800 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9801 /* [HGM] holdings: Add to holdings, if holdings exist */
9802 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9803 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9804 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9807 if (p >= (int) BlackPawn) {
9808 p -= (int)BlackPawn;
9809 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9810 /* in Shogi restore piece to its original first */
9811 captured = (ChessSquare) (DEMOTED captured);
9814 p = PieceToNumber((ChessSquare)p);
9815 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9816 board[p][BOARD_WIDTH-2]++;
9817 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9819 p -= (int)WhitePawn;
9820 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9821 captured = (ChessSquare) (DEMOTED captured);
9824 p = PieceToNumber((ChessSquare)p);
9825 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9826 board[BOARD_HEIGHT-1-p][1]++;
9827 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9830 } else if (gameInfo.variant == VariantAtomic) {
9831 if (captured != EmptySquare) {
9833 for (y = toY-1; y <= toY+1; y++) {
9834 for (x = toX-1; x <= toX+1; x++) {
9835 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9836 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9837 board[y][x] = EmptySquare;
9841 board[toY][toX] = EmptySquare;
9844 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9845 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9847 if(promoChar == '+') {
9848 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9849 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9850 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9851 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9852 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9853 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9854 board[toY][toX] = newPiece;
9856 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9857 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9858 // [HGM] superchess: take promotion piece out of holdings
9859 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9860 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9861 if(!--board[k][BOARD_WIDTH-2])
9862 board[k][BOARD_WIDTH-1] = EmptySquare;
9864 if(!--board[BOARD_HEIGHT-1-k][1])
9865 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9871 /* Updates forwardMostMove */
9873 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9875 // forwardMostMove++; // [HGM] bare: moved downstream
9877 (void) CoordsToAlgebraic(boards[forwardMostMove],
9878 PosFlags(forwardMostMove),
9879 fromY, fromX, toY, toX, promoChar,
9880 parseList[forwardMostMove]);
9882 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9883 int timeLeft; static int lastLoadFlag=0; int king, piece;
9884 piece = boards[forwardMostMove][fromY][fromX];
9885 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9886 if(gameInfo.variant == VariantKnightmate)
9887 king += (int) WhiteUnicorn - (int) WhiteKing;
9888 if(forwardMostMove == 0) {
9889 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9890 fprintf(serverMoves, "%s;", UserName());
9891 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9892 fprintf(serverMoves, "%s;", second.tidy);
9893 fprintf(serverMoves, "%s;", first.tidy);
9894 if(gameMode == MachinePlaysWhite)
9895 fprintf(serverMoves, "%s;", UserName());
9896 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9897 fprintf(serverMoves, "%s;", second.tidy);
9898 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9899 lastLoadFlag = loadFlag;
9901 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9902 // print castling suffix
9903 if( toY == fromY && piece == king ) {
9905 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9907 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9910 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9911 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9912 boards[forwardMostMove][toY][toX] == EmptySquare
9913 && fromX != toX && fromY != toY)
9914 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9916 if(promoChar != NULLCHAR) {
9917 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
9918 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
9919 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
9920 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9923 char buf[MOVE_LEN*2], *p; int len;
9924 fprintf(serverMoves, "/%d/%d",
9925 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9926 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9927 else timeLeft = blackTimeRemaining/1000;
9928 fprintf(serverMoves, "/%d", timeLeft);
9929 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9930 if(p = strchr(buf, '/')) *p = NULLCHAR; else
9931 if(p = strchr(buf, '=')) *p = NULLCHAR;
9932 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9933 fprintf(serverMoves, "/%s", buf);
9935 fflush(serverMoves);
9938 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9939 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9942 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9943 if (commentList[forwardMostMove+1] != NULL) {
9944 free(commentList[forwardMostMove+1]);
9945 commentList[forwardMostMove+1] = NULL;
9947 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9948 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9949 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9950 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9951 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9952 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9953 adjustedClock = FALSE;
9954 gameInfo.result = GameUnfinished;
9955 if (gameInfo.resultDetails != NULL) {
9956 free(gameInfo.resultDetails);
9957 gameInfo.resultDetails = NULL;
9959 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9960 moveList[forwardMostMove - 1]);
9961 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9967 if(gameInfo.variant != VariantShogi)
9968 strcat(parseList[forwardMostMove - 1], "+");
9972 strcat(parseList[forwardMostMove - 1], "#");
9978 /* Updates currentMove if not pausing */
9980 ShowMove (int fromX, int fromY, int toX, int toY)
9982 int instant = (gameMode == PlayFromGameFile) ?
9983 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9984 if(appData.noGUI) return;
9985 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9987 if (forwardMostMove == currentMove + 1) {
9988 AnimateMove(boards[forwardMostMove - 1],
9989 fromX, fromY, toX, toY);
9992 currentMove = forwardMostMove;
9995 if (instant) return;
9997 DisplayMove(currentMove - 1);
9998 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9999 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10000 SetHighlights(fromX, fromY, toX, toY);
10003 DrawPosition(FALSE, boards[currentMove]);
10004 DisplayBothClocks();
10005 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10009 SendEgtPath (ChessProgramState *cps)
10010 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10011 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10013 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10016 char c, *q = name+1, *r, *s;
10018 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10019 while(*p && *p != ',') *q++ = *p++;
10020 *q++ = ':'; *q = 0;
10021 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10022 strcmp(name, ",nalimov:") == 0 ) {
10023 // take nalimov path from the menu-changeable option first, if it is defined
10024 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10025 SendToProgram(buf,cps); // send egtbpath command for nalimov
10027 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10028 (s = StrStr(appData.egtFormats, name)) != NULL) {
10029 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10030 s = r = StrStr(s, ":") + 1; // beginning of path info
10031 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10032 c = *r; *r = 0; // temporarily null-terminate path info
10033 *--q = 0; // strip of trailig ':' from name
10034 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10036 SendToProgram(buf,cps); // send egtbpath command for this format
10038 if(*p == ',') p++; // read away comma to position for next format name
10043 NonStandardBoardSize ()
10045 /* [HGM] Awkward testing. Should really be a table */
10046 int overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
10047 if( gameInfo.variant == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10048 if( gameInfo.variant == VariantXiangqi )
10049 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
10050 if( gameInfo.variant == VariantShogi )
10051 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
10052 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
10053 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
10054 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
10055 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
10056 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
10057 if( gameInfo.variant == VariantCourier )
10058 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
10059 if( gameInfo.variant == VariantSuper )
10060 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
10061 if( gameInfo.variant == VariantGreat )
10062 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
10063 if( gameInfo.variant == VariantSChess )
10064 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
10065 if( gameInfo.variant == VariantGrand )
10066 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
10067 if( gameInfo.variant == VariantChu )
10068 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 12 || gameInfo.holdingsSize != 0;
10073 InitChessProgram (ChessProgramState *cps, int setup)
10074 /* setup needed to setup FRC opening position */
10076 char buf[MSG_SIZ], b[MSG_SIZ];
10077 if (appData.noChessProgram) return;
10078 hintRequested = FALSE;
10079 bookRequested = FALSE;
10081 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10082 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10083 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10084 if(cps->memSize) { /* [HGM] memory */
10085 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10086 SendToProgram(buf, cps);
10088 SendEgtPath(cps); /* [HGM] EGT */
10089 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10090 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10091 SendToProgram(buf, cps);
10094 SendToProgram(cps->initString, cps);
10095 if (gameInfo.variant != VariantNormal &&
10096 gameInfo.variant != VariantLoadable
10097 /* [HGM] also send variant if board size non-standard */
10098 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
10100 char *v = VariantName(gameInfo.variant);
10101 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
10102 /* [HGM] in protocol 1 we have to assume all variants valid */
10103 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
10104 DisplayFatalError(buf, 0, 1);
10108 if(NonStandardBoardSize()) { /* [HGM] make prefix for non-standard board size. */
10109 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
10110 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
10111 /* [HGM] varsize: try first if this defiant size variant is specifically known */
10112 if(StrStr(cps->variants, b) == NULL) {
10113 // specific sized variant not known, check if general sizing allowed
10114 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
10115 if(StrStr(cps->variants, "boardsize") == NULL) {
10116 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10117 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
10118 DisplayFatalError(buf, 0, 1);
10121 /* [HGM] here we really should compare with the maximum supported board size */
10124 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
10125 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10126 SendToProgram(buf, cps);
10128 currentlyInitializedVariant = gameInfo.variant;
10130 /* [HGM] send opening position in FRC to first engine */
10132 SendToProgram("force\n", cps);
10134 /* engine is now in force mode! Set flag to wake it up after first move. */
10135 setboardSpoiledMachineBlack = 1;
10138 if (cps->sendICS) {
10139 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10140 SendToProgram(buf, cps);
10142 cps->maybeThinking = FALSE;
10143 cps->offeredDraw = 0;
10144 if (!appData.icsActive) {
10145 SendTimeControl(cps, movesPerSession, timeControl,
10146 timeIncrement, appData.searchDepth,
10149 if (appData.showThinking
10150 // [HGM] thinking: four options require thinking output to be sent
10151 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10153 SendToProgram("post\n", cps);
10155 SendToProgram("hard\n", cps);
10156 if (!appData.ponderNextMove) {
10157 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10158 it without being sure what state we are in first. "hard"
10159 is not a toggle, so that one is OK.
10161 SendToProgram("easy\n", cps);
10163 if (cps->usePing) {
10164 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
10165 SendToProgram(buf, cps);
10167 cps->initDone = TRUE;
10168 ClearEngineOutputPane(cps == &second);
10173 ResendOptions (ChessProgramState *cps)
10174 { // send the stored value of the options
10177 Option *opt = cps->option;
10178 for(i=0; i<cps->nrOptions; i++, opt++) {
10179 switch(opt->type) {
10183 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10186 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10189 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10195 SendToProgram(buf, cps);
10200 StartChessProgram (ChessProgramState *cps)
10205 if (appData.noChessProgram) return;
10206 cps->initDone = FALSE;
10208 if (strcmp(cps->host, "localhost") == 0) {
10209 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10210 } else if (*appData.remoteShell == NULLCHAR) {
10211 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10213 if (*appData.remoteUser == NULLCHAR) {
10214 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10217 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10218 cps->host, appData.remoteUser, cps->program);
10220 err = StartChildProcess(buf, "", &cps->pr);
10224 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10225 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10226 if(cps != &first) return;
10227 appData.noChessProgram = TRUE;
10230 // DisplayFatalError(buf, err, 1);
10231 // cps->pr = NoProc;
10232 // cps->isr = NULL;
10236 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10237 if (cps->protocolVersion > 1) {
10238 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10239 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10240 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10241 cps->comboCnt = 0; // and values of combo boxes
10243 SendToProgram(buf, cps);
10244 if(cps->reload) ResendOptions(cps);
10246 SendToProgram("xboard\n", cps);
10251 TwoMachinesEventIfReady P((void))
10253 static int curMess = 0;
10254 if (first.lastPing != first.lastPong) {
10255 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10256 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10259 if (second.lastPing != second.lastPong) {
10260 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10261 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10264 DisplayMessage("", ""); curMess = 0;
10265 TwoMachinesEvent();
10269 MakeName (char *template)
10273 static char buf[MSG_SIZ];
10277 clock = time((time_t *)NULL);
10278 tm = localtime(&clock);
10280 while(*p++ = *template++) if(p[-1] == '%') {
10281 switch(*template++) {
10282 case 0: *p = 0; return buf;
10283 case 'Y': i = tm->tm_year+1900; break;
10284 case 'y': i = tm->tm_year-100; break;
10285 case 'M': i = tm->tm_mon+1; break;
10286 case 'd': i = tm->tm_mday; break;
10287 case 'h': i = tm->tm_hour; break;
10288 case 'm': i = tm->tm_min; break;
10289 case 's': i = tm->tm_sec; break;
10292 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10298 CountPlayers (char *p)
10301 while(p = strchr(p, '\n')) p++, n++; // count participants
10306 WriteTourneyFile (char *results, FILE *f)
10307 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10308 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10309 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10310 // create a file with tournament description
10311 fprintf(f, "-participants {%s}\n", appData.participants);
10312 fprintf(f, "-seedBase %d\n", appData.seedBase);
10313 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10314 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10315 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10316 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10317 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10318 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10319 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10320 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10321 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10322 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10323 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10324 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10325 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10326 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10327 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10328 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10329 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10330 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10331 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10332 fprintf(f, "-smpCores %d\n", appData.smpCores);
10334 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10336 fprintf(f, "-mps %d\n", appData.movesPerSession);
10337 fprintf(f, "-tc %s\n", appData.timeControl);
10338 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10340 fprintf(f, "-results \"%s\"\n", results);
10345 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10348 Substitute (char *participants, int expunge)
10350 int i, changed, changes=0, nPlayers=0;
10351 char *p, *q, *r, buf[MSG_SIZ];
10352 if(participants == NULL) return;
10353 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10354 r = p = participants; q = appData.participants;
10355 while(*p && *p == *q) {
10356 if(*p == '\n') r = p+1, nPlayers++;
10359 if(*p) { // difference
10360 while(*p && *p++ != '\n');
10361 while(*q && *q++ != '\n');
10362 changed = nPlayers;
10363 changes = 1 + (strcmp(p, q) != 0);
10365 if(changes == 1) { // a single engine mnemonic was changed
10366 q = r; while(*q) nPlayers += (*q++ == '\n');
10367 p = buf; while(*r && (*p = *r++) != '\n') p++;
10369 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10370 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10371 if(mnemonic[i]) { // The substitute is valid
10373 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10374 flock(fileno(f), LOCK_EX);
10375 ParseArgsFromFile(f);
10376 fseek(f, 0, SEEK_SET);
10377 FREE(appData.participants); appData.participants = participants;
10378 if(expunge) { // erase results of replaced engine
10379 int len = strlen(appData.results), w, b, dummy;
10380 for(i=0; i<len; i++) {
10381 Pairing(i, nPlayers, &w, &b, &dummy);
10382 if((w == changed || b == changed) && appData.results[i] == '*') {
10383 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10388 for(i=0; i<len; i++) {
10389 Pairing(i, nPlayers, &w, &b, &dummy);
10390 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10393 WriteTourneyFile(appData.results, f);
10394 fclose(f); // release lock
10397 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10399 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10400 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10401 free(participants);
10406 CheckPlayers (char *participants)
10409 char buf[MSG_SIZ], *p;
10410 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10411 while(p = strchr(participants, '\n')) {
10413 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10415 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10417 DisplayError(buf, 0);
10421 participants = p + 1;
10427 CreateTourney (char *name)
10430 if(matchMode && strcmp(name, appData.tourneyFile)) {
10431 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10433 if(name[0] == NULLCHAR) {
10434 if(appData.participants[0])
10435 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10438 f = fopen(name, "r");
10439 if(f) { // file exists
10440 ASSIGN(appData.tourneyFile, name);
10441 ParseArgsFromFile(f); // parse it
10443 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10444 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10445 DisplayError(_("Not enough participants"), 0);
10448 if(CheckPlayers(appData.participants)) return 0;
10449 ASSIGN(appData.tourneyFile, name);
10450 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10451 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10454 appData.noChessProgram = FALSE;
10455 appData.clockMode = TRUE;
10461 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10463 char buf[MSG_SIZ], *p, *q;
10464 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10465 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10466 skip = !all && group[0]; // if group requested, we start in skip mode
10467 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10468 p = names; q = buf; header = 0;
10469 while(*p && *p != '\n') *q++ = *p++;
10471 if(*p == '\n') p++;
10472 if(buf[0] == '#') {
10473 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10474 depth++; // we must be entering a new group
10475 if(all) continue; // suppress printing group headers when complete list requested
10477 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10479 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10480 if(engineList[i]) free(engineList[i]);
10481 engineList[i] = strdup(buf);
10482 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10483 if(engineMnemonic[i]) free(engineMnemonic[i]);
10484 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10486 sscanf(q + 8, "%s", buf + strlen(buf));
10489 engineMnemonic[i] = strdup(buf);
10492 engineList[i] = engineMnemonic[i] = NULL;
10496 // following implemented as macro to avoid type limitations
10497 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10500 SwapEngines (int n)
10501 { // swap settings for first engine and other engine (so far only some selected options)
10506 SWAP(chessProgram, p)
10508 SWAP(hasOwnBookUCI, h)
10509 SWAP(protocolVersion, h)
10511 SWAP(scoreIsAbsolute, h)
10516 SWAP(engOptions, p)
10517 SWAP(engInitString, p)
10518 SWAP(computerString, p)
10520 SWAP(fenOverride, p)
10522 SWAP(accumulateTC, h)
10527 GetEngineLine (char *s, int n)
10531 extern char *icsNames;
10532 if(!s || !*s) return 0;
10533 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10534 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10535 if(!mnemonic[i]) return 0;
10536 if(n == 11) return 1; // just testing if there was a match
10537 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10538 if(n == 1) SwapEngines(n);
10539 ParseArgsFromString(buf);
10540 if(n == 1) SwapEngines(n);
10541 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10542 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10543 ParseArgsFromString(buf);
10549 SetPlayer (int player, char *p)
10550 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10552 char buf[MSG_SIZ], *engineName;
10553 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10554 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10555 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10557 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10558 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10559 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10560 ParseArgsFromString(buf);
10561 } else { // no engine with this nickname is installed!
10562 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
10563 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
10564 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10566 DisplayError(buf, 0);
10573 char *recentEngines;
10576 RecentEngineEvent (int nr)
10579 // SwapEngines(1); // bump first to second
10580 // ReplaceEngine(&second, 1); // and load it there
10581 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10582 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10583 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10584 ReplaceEngine(&first, 0);
10585 FloatToFront(&appData.recentEngineList, command[n]);
10590 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10591 { // determine players from game number
10592 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10594 if(appData.tourneyType == 0) {
10595 roundsPerCycle = (nPlayers - 1) | 1;
10596 pairingsPerRound = nPlayers / 2;
10597 } else if(appData.tourneyType > 0) {
10598 roundsPerCycle = nPlayers - appData.tourneyType;
10599 pairingsPerRound = appData.tourneyType;
10601 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10602 gamesPerCycle = gamesPerRound * roundsPerCycle;
10603 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10604 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10605 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10606 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10607 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10608 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10610 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10611 if(appData.roundSync) *syncInterval = gamesPerRound;
10613 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10615 if(appData.tourneyType == 0) {
10616 if(curPairing == (nPlayers-1)/2 ) {
10617 *whitePlayer = curRound;
10618 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10620 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10621 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10622 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10623 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10625 } else if(appData.tourneyType > 1) {
10626 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10627 *whitePlayer = curRound + appData.tourneyType;
10628 } else if(appData.tourneyType > 0) {
10629 *whitePlayer = curPairing;
10630 *blackPlayer = curRound + appData.tourneyType;
10633 // take care of white/black alternation per round.
10634 // For cycles and games this is already taken care of by default, derived from matchGame!
10635 return curRound & 1;
10639 NextTourneyGame (int nr, int *swapColors)
10640 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10642 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
10644 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10645 tf = fopen(appData.tourneyFile, "r");
10646 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10647 ParseArgsFromFile(tf); fclose(tf);
10648 InitTimeControls(); // TC might be altered from tourney file
10650 nPlayers = CountPlayers(appData.participants); // count participants
10651 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10652 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10655 p = q = appData.results;
10656 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10657 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10658 DisplayMessage(_("Waiting for other game(s)"),"");
10659 waitingForGame = TRUE;
10660 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10663 waitingForGame = FALSE;
10666 if(appData.tourneyType < 0) {
10667 if(nr>=0 && !pairingReceived) {
10669 if(pairing.pr == NoProc) {
10670 if(!appData.pairingEngine[0]) {
10671 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10674 StartChessProgram(&pairing); // starts the pairing engine
10676 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10677 SendToProgram(buf, &pairing);
10678 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10679 SendToProgram(buf, &pairing);
10680 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10682 pairingReceived = 0; // ... so we continue here
10684 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10685 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10686 matchGame = 1; roundNr = nr / syncInterval + 1;
10689 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10691 // redefine engines, engine dir, etc.
10692 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10693 if(first.pr == NoProc) {
10694 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
10695 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10697 if(second.pr == NoProc) {
10699 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
10700 SwapEngines(1); // and make that valid for second engine by swapping
10701 InitEngine(&second, 1);
10703 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10704 UpdateLogos(FALSE); // leave display to ModeHiglight()
10710 { // performs game initialization that does not invoke engines, and then tries to start the game
10711 int res, firstWhite, swapColors = 0;
10712 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10713 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
10715 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10716 if(strcmp(buf, currentDebugFile)) { // name has changed
10717 FILE *f = fopen(buf, "w");
10718 if(f) { // if opening the new file failed, just keep using the old one
10719 ASSIGN(currentDebugFile, buf);
10723 if(appData.serverFileName) {
10724 if(serverFP) fclose(serverFP);
10725 serverFP = fopen(appData.serverFileName, "w");
10726 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10727 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10731 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10732 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10733 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10734 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10735 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10736 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10737 Reset(FALSE, first.pr != NoProc);
10738 res = LoadGameOrPosition(matchGame); // setup game
10739 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10740 if(!res) return; // abort when bad game/pos file
10741 TwoMachinesEvent();
10745 UserAdjudicationEvent (int result)
10747 ChessMove gameResult = GameIsDrawn;
10750 gameResult = WhiteWins;
10752 else if( result < 0 ) {
10753 gameResult = BlackWins;
10756 if( gameMode == TwoMachinesPlay ) {
10757 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10762 // [HGM] save: calculate checksum of game to make games easily identifiable
10764 StringCheckSum (char *s)
10767 if(s==NULL) return 0;
10768 while(*s) i = i*259 + *s++;
10776 for(i=backwardMostMove; i<forwardMostMove; i++) {
10777 sum += pvInfoList[i].depth;
10778 sum += StringCheckSum(parseList[i]);
10779 sum += StringCheckSum(commentList[i]);
10782 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10783 return sum + StringCheckSum(commentList[i]);
10784 } // end of save patch
10787 GameEnds (ChessMove result, char *resultDetails, int whosays)
10789 GameMode nextGameMode;
10791 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10793 if(endingGame) return; /* [HGM] crash: forbid recursion */
10795 if(twoBoards) { // [HGM] dual: switch back to one board
10796 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10797 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10799 if (appData.debugMode) {
10800 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10801 result, resultDetails ? resultDetails : "(null)", whosays);
10804 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10806 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
10808 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10809 /* If we are playing on ICS, the server decides when the
10810 game is over, but the engine can offer to draw, claim
10814 if (appData.zippyPlay && first.initDone) {
10815 if (result == GameIsDrawn) {
10816 /* In case draw still needs to be claimed */
10817 SendToICS(ics_prefix);
10818 SendToICS("draw\n");
10819 } else if (StrCaseStr(resultDetails, "resign")) {
10820 SendToICS(ics_prefix);
10821 SendToICS("resign\n");
10825 endingGame = 0; /* [HGM] crash */
10829 /* If we're loading the game from a file, stop */
10830 if (whosays == GE_FILE) {
10831 (void) StopLoadGameTimer();
10835 /* Cancel draw offers */
10836 first.offeredDraw = second.offeredDraw = 0;
10838 /* If this is an ICS game, only ICS can really say it's done;
10839 if not, anyone can. */
10840 isIcsGame = (gameMode == IcsPlayingWhite ||
10841 gameMode == IcsPlayingBlack ||
10842 gameMode == IcsObserving ||
10843 gameMode == IcsExamining);
10845 if (!isIcsGame || whosays == GE_ICS) {
10846 /* OK -- not an ICS game, or ICS said it was done */
10848 if (!isIcsGame && !appData.noChessProgram)
10849 SetUserThinkingEnables();
10851 /* [HGM] if a machine claims the game end we verify this claim */
10852 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10853 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10855 ChessMove trueResult = (ChessMove) -1;
10857 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10858 first.twoMachinesColor[0] :
10859 second.twoMachinesColor[0] ;
10861 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10862 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10863 /* [HGM] verify: engine mate claims accepted if they were flagged */
10864 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10866 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10867 /* [HGM] verify: engine mate claims accepted if they were flagged */
10868 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10870 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10871 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10874 // now verify win claims, but not in drop games, as we don't understand those yet
10875 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10876 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10877 (result == WhiteWins && claimer == 'w' ||
10878 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10879 if (appData.debugMode) {
10880 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10881 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10883 if(result != trueResult) {
10884 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10885 result = claimer == 'w' ? BlackWins : WhiteWins;
10886 resultDetails = buf;
10889 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10890 && (forwardMostMove <= backwardMostMove ||
10891 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10892 (claimer=='b')==(forwardMostMove&1))
10894 /* [HGM] verify: draws that were not flagged are false claims */
10895 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10896 result = claimer == 'w' ? BlackWins : WhiteWins;
10897 resultDetails = buf;
10899 /* (Claiming a loss is accepted no questions asked!) */
10900 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
10901 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
10902 result = GameUnfinished;
10903 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
10905 /* [HGM] bare: don't allow bare King to win */
10906 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10907 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10908 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10909 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10910 && result != GameIsDrawn)
10911 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10912 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10913 int p = (signed char)boards[forwardMostMove][i][j] - color;
10914 if(p >= 0 && p <= (int)WhiteKing) k++;
10916 if (appData.debugMode) {
10917 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10918 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10921 result = GameIsDrawn;
10922 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10923 resultDetails = buf;
10929 if(serverMoves != NULL && !loadFlag) { char c = '=';
10930 if(result==WhiteWins) c = '+';
10931 if(result==BlackWins) c = '-';
10932 if(resultDetails != NULL)
10933 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10935 if (resultDetails != NULL) {
10936 gameInfo.result = result;
10937 gameInfo.resultDetails = StrSave(resultDetails);
10939 /* display last move only if game was not loaded from file */
10940 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10941 DisplayMove(currentMove - 1);
10943 if (forwardMostMove != 0) {
10944 if (gameMode != PlayFromGameFile && gameMode != EditGame
10945 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10947 if (*appData.saveGameFile != NULLCHAR) {
10948 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
10949 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
10951 SaveGameToFile(appData.saveGameFile, TRUE);
10952 } else if (appData.autoSaveGames) {
10953 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
10955 if (*appData.savePositionFile != NULLCHAR) {
10956 SavePositionToFile(appData.savePositionFile);
10958 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
10962 /* Tell program how game ended in case it is learning */
10963 /* [HGM] Moved this to after saving the PGN, just in case */
10964 /* engine died and we got here through time loss. In that */
10965 /* case we will get a fatal error writing the pipe, which */
10966 /* would otherwise lose us the PGN. */
10967 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10968 /* output during GameEnds should never be fatal anymore */
10969 if (gameMode == MachinePlaysWhite ||
10970 gameMode == MachinePlaysBlack ||
10971 gameMode == TwoMachinesPlay ||
10972 gameMode == IcsPlayingWhite ||
10973 gameMode == IcsPlayingBlack ||
10974 gameMode == BeginningOfGame) {
10976 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10978 if (first.pr != NoProc) {
10979 SendToProgram(buf, &first);
10981 if (second.pr != NoProc &&
10982 gameMode == TwoMachinesPlay) {
10983 SendToProgram(buf, &second);
10988 if (appData.icsActive) {
10989 if (appData.quietPlay &&
10990 (gameMode == IcsPlayingWhite ||
10991 gameMode == IcsPlayingBlack)) {
10992 SendToICS(ics_prefix);
10993 SendToICS("set shout 1\n");
10995 nextGameMode = IcsIdle;
10996 ics_user_moved = FALSE;
10997 /* clean up premove. It's ugly when the game has ended and the
10998 * premove highlights are still on the board.
11001 gotPremove = FALSE;
11002 ClearPremoveHighlights();
11003 DrawPosition(FALSE, boards[currentMove]);
11005 if (whosays == GE_ICS) {
11008 if (gameMode == IcsPlayingWhite)
11010 else if(gameMode == IcsPlayingBlack)
11011 PlayIcsLossSound();
11014 if (gameMode == IcsPlayingBlack)
11016 else if(gameMode == IcsPlayingWhite)
11017 PlayIcsLossSound();
11020 PlayIcsDrawSound();
11023 PlayIcsUnfinishedSound();
11026 if(appData.quitNext) { ExitEvent(0); return; }
11027 } else if (gameMode == EditGame ||
11028 gameMode == PlayFromGameFile ||
11029 gameMode == AnalyzeMode ||
11030 gameMode == AnalyzeFile) {
11031 nextGameMode = gameMode;
11033 nextGameMode = EndOfGame;
11038 nextGameMode = gameMode;
11041 if (appData.noChessProgram) {
11042 gameMode = nextGameMode;
11044 endingGame = 0; /* [HGM] crash */
11049 /* Put first chess program into idle state */
11050 if (first.pr != NoProc &&
11051 (gameMode == MachinePlaysWhite ||
11052 gameMode == MachinePlaysBlack ||
11053 gameMode == TwoMachinesPlay ||
11054 gameMode == IcsPlayingWhite ||
11055 gameMode == IcsPlayingBlack ||
11056 gameMode == BeginningOfGame)) {
11057 SendToProgram("force\n", &first);
11058 if (first.usePing) {
11060 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11061 SendToProgram(buf, &first);
11064 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11065 /* Kill off first chess program */
11066 if (first.isr != NULL)
11067 RemoveInputSource(first.isr);
11070 if (first.pr != NoProc) {
11072 DoSleep( appData.delayBeforeQuit );
11073 SendToProgram("quit\n", &first);
11074 DoSleep( appData.delayAfterQuit );
11075 DestroyChildProcess(first.pr, first.useSigterm);
11076 first.reload = TRUE;
11080 if (second.reuse) {
11081 /* Put second chess program into idle state */
11082 if (second.pr != NoProc &&
11083 gameMode == TwoMachinesPlay) {
11084 SendToProgram("force\n", &second);
11085 if (second.usePing) {
11087 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11088 SendToProgram(buf, &second);
11091 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11092 /* Kill off second chess program */
11093 if (second.isr != NULL)
11094 RemoveInputSource(second.isr);
11097 if (second.pr != NoProc) {
11098 DoSleep( appData.delayBeforeQuit );
11099 SendToProgram("quit\n", &second);
11100 DoSleep( appData.delayAfterQuit );
11101 DestroyChildProcess(second.pr, second.useSigterm);
11102 second.reload = TRUE;
11104 second.pr = NoProc;
11107 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11108 char resChar = '=';
11112 if (first.twoMachinesColor[0] == 'w') {
11115 second.matchWins++;
11120 if (first.twoMachinesColor[0] == 'b') {
11123 second.matchWins++;
11126 case GameUnfinished:
11132 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11133 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11134 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11135 ReserveGame(nextGame, resChar); // sets nextGame
11136 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11137 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11138 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11140 if (nextGame <= appData.matchGames && !abortMatch) {
11141 gameMode = nextGameMode;
11142 matchGame = nextGame; // this will be overruled in tourney mode!
11143 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11144 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11145 endingGame = 0; /* [HGM] crash */
11148 gameMode = nextGameMode;
11149 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11150 first.tidy, second.tidy,
11151 first.matchWins, second.matchWins,
11152 appData.matchGames - (first.matchWins + second.matchWins));
11153 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11154 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11155 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11156 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11157 first.twoMachinesColor = "black\n";
11158 second.twoMachinesColor = "white\n";
11160 first.twoMachinesColor = "white\n";
11161 second.twoMachinesColor = "black\n";
11165 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11166 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11168 gameMode = nextGameMode;
11170 endingGame = 0; /* [HGM] crash */
11171 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11172 if(matchMode == TRUE) { // match through command line: exit with or without popup
11174 ToNrEvent(forwardMostMove);
11175 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11177 } else DisplayFatalError(buf, 0, 0);
11178 } else { // match through menu; just stop, with or without popup
11179 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11182 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11183 } else DisplayNote(buf);
11185 if(ranking) free(ranking);
11189 /* Assumes program was just initialized (initString sent).
11190 Leaves program in force mode. */
11192 FeedMovesToProgram (ChessProgramState *cps, int upto)
11196 if (appData.debugMode)
11197 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11198 startedFromSetupPosition ? "position and " : "",
11199 backwardMostMove, upto, cps->which);
11200 if(currentlyInitializedVariant != gameInfo.variant) {
11202 // [HGM] variantswitch: make engine aware of new variant
11203 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
11204 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11205 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11206 SendToProgram(buf, cps);
11207 currentlyInitializedVariant = gameInfo.variant;
11209 SendToProgram("force\n", cps);
11210 if (startedFromSetupPosition) {
11211 SendBoard(cps, backwardMostMove);
11212 if (appData.debugMode) {
11213 fprintf(debugFP, "feedMoves\n");
11216 for (i = backwardMostMove; i < upto; i++) {
11217 SendMoveToProgram(i, cps);
11223 ResurrectChessProgram ()
11225 /* The chess program may have exited.
11226 If so, restart it and feed it all the moves made so far. */
11227 static int doInit = 0;
11229 if (appData.noChessProgram) return 1;
11231 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11232 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11233 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11234 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11236 if (first.pr != NoProc) return 1;
11237 StartChessProgram(&first);
11239 InitChessProgram(&first, FALSE);
11240 FeedMovesToProgram(&first, currentMove);
11242 if (!first.sendTime) {
11243 /* can't tell gnuchess what its clock should read,
11244 so we bow to its notion. */
11246 timeRemaining[0][currentMove] = whiteTimeRemaining;
11247 timeRemaining[1][currentMove] = blackTimeRemaining;
11250 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11251 appData.icsEngineAnalyze) && first.analysisSupport) {
11252 SendToProgram("analyze\n", &first);
11253 first.analyzing = TRUE;
11259 * Button procedures
11262 Reset (int redraw, int init)
11266 if (appData.debugMode) {
11267 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11268 redraw, init, gameMode);
11270 CleanupTail(); // [HGM] vari: delete any stored variations
11271 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11272 pausing = pauseExamInvalid = FALSE;
11273 startedFromSetupPosition = blackPlaysFirst = FALSE;
11275 whiteFlag = blackFlag = FALSE;
11276 userOfferedDraw = FALSE;
11277 hintRequested = bookRequested = FALSE;
11278 first.maybeThinking = FALSE;
11279 second.maybeThinking = FALSE;
11280 first.bookSuspend = FALSE; // [HGM] book
11281 second.bookSuspend = FALSE;
11282 thinkOutput[0] = NULLCHAR;
11283 lastHint[0] = NULLCHAR;
11284 ClearGameInfo(&gameInfo);
11285 gameInfo.variant = StringToVariant(appData.variant);
11286 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) gameInfo.variant = VariantUnknown;
11287 ics_user_moved = ics_clock_paused = FALSE;
11288 ics_getting_history = H_FALSE;
11290 white_holding[0] = black_holding[0] = NULLCHAR;
11291 ClearProgramStats();
11292 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11296 flipView = appData.flipView;
11297 ClearPremoveHighlights();
11298 gotPremove = FALSE;
11299 alarmSounded = FALSE;
11301 GameEnds(EndOfFile, NULL, GE_PLAYER);
11302 if(appData.serverMovesName != NULL) {
11303 /* [HGM] prepare to make moves file for broadcasting */
11304 clock_t t = clock();
11305 if(serverMoves != NULL) fclose(serverMoves);
11306 serverMoves = fopen(appData.serverMovesName, "r");
11307 if(serverMoves != NULL) {
11308 fclose(serverMoves);
11309 /* delay 15 sec before overwriting, so all clients can see end */
11310 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11312 serverMoves = fopen(appData.serverMovesName, "w");
11316 gameMode = BeginningOfGame;
11318 if(appData.icsActive) gameInfo.variant = VariantNormal;
11319 currentMove = forwardMostMove = backwardMostMove = 0;
11320 MarkTargetSquares(1);
11321 InitPosition(redraw);
11322 for (i = 0; i < MAX_MOVES; i++) {
11323 if (commentList[i] != NULL) {
11324 free(commentList[i]);
11325 commentList[i] = NULL;
11329 timeRemaining[0][0] = whiteTimeRemaining;
11330 timeRemaining[1][0] = blackTimeRemaining;
11332 if (first.pr == NoProc) {
11333 StartChessProgram(&first);
11336 InitChessProgram(&first, startedFromSetupPosition);
11339 DisplayMessage("", "");
11340 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11341 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11342 ClearMap(); // [HGM] exclude: invalidate map
11346 AutoPlayGameLoop ()
11349 if (!AutoPlayOneMove())
11351 if (matchMode || appData.timeDelay == 0)
11353 if (appData.timeDelay < 0)
11355 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11363 ReloadGame(1); // next game
11369 int fromX, fromY, toX, toY;
11371 if (appData.debugMode) {
11372 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11375 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11378 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11379 pvInfoList[currentMove].depth = programStats.depth;
11380 pvInfoList[currentMove].score = programStats.score;
11381 pvInfoList[currentMove].time = 0;
11382 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11383 else { // append analysis of final position as comment
11385 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11386 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11388 programStats.depth = 0;
11391 if (currentMove >= forwardMostMove) {
11392 if(gameMode == AnalyzeFile) {
11393 if(appData.loadGameIndex == -1) {
11394 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11395 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11397 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11400 // gameMode = EndOfGame;
11401 // ModeHighlight();
11403 /* [AS] Clear current move marker at the end of a game */
11404 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11409 toX = moveList[currentMove][2] - AAA;
11410 toY = moveList[currentMove][3] - ONE;
11412 if (moveList[currentMove][1] == '@') {
11413 if (appData.highlightLastMove) {
11414 SetHighlights(-1, -1, toX, toY);
11417 fromX = moveList[currentMove][0] - AAA;
11418 fromY = moveList[currentMove][1] - ONE;
11420 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11422 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11424 if (appData.highlightLastMove) {
11425 SetHighlights(fromX, fromY, toX, toY);
11428 DisplayMove(currentMove);
11429 SendMoveToProgram(currentMove++, &first);
11430 DisplayBothClocks();
11431 DrawPosition(FALSE, boards[currentMove]);
11432 // [HGM] PV info: always display, routine tests if empty
11433 DisplayComment(currentMove - 1, commentList[currentMove]);
11439 LoadGameOneMove (ChessMove readAhead)
11441 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11442 char promoChar = NULLCHAR;
11443 ChessMove moveType;
11444 char move[MSG_SIZ];
11447 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11448 gameMode != AnalyzeMode && gameMode != Training) {
11453 yyboardindex = forwardMostMove;
11454 if (readAhead != EndOfFile) {
11455 moveType = readAhead;
11457 if (gameFileFP == NULL)
11459 moveType = (ChessMove) Myylex();
11463 switch (moveType) {
11465 if (appData.debugMode)
11466 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11469 /* append the comment but don't display it */
11470 AppendComment(currentMove, p, FALSE);
11473 case WhiteCapturesEnPassant:
11474 case BlackCapturesEnPassant:
11475 case WhitePromotion:
11476 case BlackPromotion:
11477 case WhiteNonPromotion:
11478 case BlackNonPromotion:
11480 case WhiteKingSideCastle:
11481 case WhiteQueenSideCastle:
11482 case BlackKingSideCastle:
11483 case BlackQueenSideCastle:
11484 case WhiteKingSideCastleWild:
11485 case WhiteQueenSideCastleWild:
11486 case BlackKingSideCastleWild:
11487 case BlackQueenSideCastleWild:
11489 case WhiteHSideCastleFR:
11490 case WhiteASideCastleFR:
11491 case BlackHSideCastleFR:
11492 case BlackASideCastleFR:
11494 if (appData.debugMode)
11495 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11496 fromX = currentMoveString[0] - AAA;
11497 fromY = currentMoveString[1] - ONE;
11498 toX = currentMoveString[2] - AAA;
11499 toY = currentMoveString[3] - ONE;
11500 promoChar = currentMoveString[4];
11505 if (appData.debugMode)
11506 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11507 fromX = moveType == WhiteDrop ?
11508 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11509 (int) CharToPiece(ToLower(currentMoveString[0]));
11511 toX = currentMoveString[2] - AAA;
11512 toY = currentMoveString[3] - ONE;
11518 case GameUnfinished:
11519 if (appData.debugMode)
11520 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11521 p = strchr(yy_text, '{');
11522 if (p == NULL) p = strchr(yy_text, '(');
11525 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11527 q = strchr(p, *p == '{' ? '}' : ')');
11528 if (q != NULL) *q = NULLCHAR;
11531 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11532 GameEnds(moveType, p, GE_FILE);
11534 if (cmailMsgLoaded) {
11536 flipView = WhiteOnMove(currentMove);
11537 if (moveType == GameUnfinished) flipView = !flipView;
11538 if (appData.debugMode)
11539 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11544 if (appData.debugMode)
11545 fprintf(debugFP, "Parser hit end of file\n");
11546 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11552 if (WhiteOnMove(currentMove)) {
11553 GameEnds(BlackWins, "Black mates", GE_FILE);
11555 GameEnds(WhiteWins, "White mates", GE_FILE);
11559 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11565 case MoveNumberOne:
11566 if (lastLoadGameStart == GNUChessGame) {
11567 /* GNUChessGames have numbers, but they aren't move numbers */
11568 if (appData.debugMode)
11569 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11570 yy_text, (int) moveType);
11571 return LoadGameOneMove(EndOfFile); /* tail recursion */
11573 /* else fall thru */
11578 /* Reached start of next game in file */
11579 if (appData.debugMode)
11580 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11581 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11587 if (WhiteOnMove(currentMove)) {
11588 GameEnds(BlackWins, "Black mates", GE_FILE);
11590 GameEnds(WhiteWins, "White mates", GE_FILE);
11594 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11600 case PositionDiagram: /* should not happen; ignore */
11601 case ElapsedTime: /* ignore */
11602 case NAG: /* ignore */
11603 if (appData.debugMode)
11604 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11605 yy_text, (int) moveType);
11606 return LoadGameOneMove(EndOfFile); /* tail recursion */
11609 if (appData.testLegality) {
11610 if (appData.debugMode)
11611 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11612 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11613 (forwardMostMove / 2) + 1,
11614 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11615 DisplayError(move, 0);
11618 if (appData.debugMode)
11619 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11620 yy_text, currentMoveString);
11621 fromX = currentMoveString[0] - AAA;
11622 fromY = currentMoveString[1] - ONE;
11623 toX = currentMoveString[2] - AAA;
11624 toY = currentMoveString[3] - ONE;
11625 promoChar = currentMoveString[4];
11629 case AmbiguousMove:
11630 if (appData.debugMode)
11631 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11632 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11633 (forwardMostMove / 2) + 1,
11634 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11635 DisplayError(move, 0);
11640 case ImpossibleMove:
11641 if (appData.debugMode)
11642 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11643 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11644 (forwardMostMove / 2) + 1,
11645 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11646 DisplayError(move, 0);
11652 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11653 DrawPosition(FALSE, boards[currentMove]);
11654 DisplayBothClocks();
11655 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11656 DisplayComment(currentMove - 1, commentList[currentMove]);
11658 (void) StopLoadGameTimer();
11660 cmailOldMove = forwardMostMove;
11663 /* currentMoveString is set as a side-effect of yylex */
11665 thinkOutput[0] = NULLCHAR;
11666 MakeMove(fromX, fromY, toX, toY, promoChar);
11667 currentMove = forwardMostMove;
11672 /* Load the nth game from the given file */
11674 LoadGameFromFile (char *filename, int n, char *title, int useList)
11679 if (strcmp(filename, "-") == 0) {
11683 f = fopen(filename, "rb");
11685 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11686 DisplayError(buf, errno);
11690 if (fseek(f, 0, 0) == -1) {
11691 /* f is not seekable; probably a pipe */
11694 if (useList && n == 0) {
11695 int error = GameListBuild(f);
11697 DisplayError(_("Cannot build game list"), error);
11698 } else if (!ListEmpty(&gameList) &&
11699 ((ListGame *) gameList.tailPred)->number > 1) {
11700 GameListPopUp(f, title);
11707 return LoadGame(f, n, title, FALSE);
11712 MakeRegisteredMove ()
11714 int fromX, fromY, toX, toY;
11716 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11717 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11720 if (appData.debugMode)
11721 fprintf(debugFP, "Restoring %s for game %d\n",
11722 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11724 thinkOutput[0] = NULLCHAR;
11725 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11726 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11727 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11728 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11729 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11730 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11731 MakeMove(fromX, fromY, toX, toY, promoChar);
11732 ShowMove(fromX, fromY, toX, toY);
11734 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11741 if (WhiteOnMove(currentMove)) {
11742 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11744 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11749 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11756 if (WhiteOnMove(currentMove)) {
11757 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11759 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11764 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11775 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11777 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11781 if (gameNumber > nCmailGames) {
11782 DisplayError(_("No more games in this message"), 0);
11785 if (f == lastLoadGameFP) {
11786 int offset = gameNumber - lastLoadGameNumber;
11788 cmailMsg[0] = NULLCHAR;
11789 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11790 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11791 nCmailMovesRegistered--;
11793 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11794 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11795 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11798 if (! RegisterMove()) return FALSE;
11802 retVal = LoadGame(f, gameNumber, title, useList);
11804 /* Make move registered during previous look at this game, if any */
11805 MakeRegisteredMove();
11807 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11808 commentList[currentMove]
11809 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11810 DisplayComment(currentMove - 1, commentList[currentMove]);
11816 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11818 ReloadGame (int offset)
11820 int gameNumber = lastLoadGameNumber + offset;
11821 if (lastLoadGameFP == NULL) {
11822 DisplayError(_("No game has been loaded yet"), 0);
11825 if (gameNumber <= 0) {
11826 DisplayError(_("Can't back up any further"), 0);
11829 if (cmailMsgLoaded) {
11830 return CmailLoadGame(lastLoadGameFP, gameNumber,
11831 lastLoadGameTitle, lastLoadGameUseList);
11833 return LoadGame(lastLoadGameFP, gameNumber,
11834 lastLoadGameTitle, lastLoadGameUseList);
11838 int keys[EmptySquare+1];
11841 PositionMatches (Board b1, Board b2)
11844 switch(appData.searchMode) {
11845 case 1: return CompareWithRights(b1, b2);
11847 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11848 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11852 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11853 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11854 sum += keys[b1[r][f]] - keys[b2[r][f]];
11858 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11859 sum += keys[b1[r][f]] - keys[b2[r][f]];
11871 int pieceList[256], quickBoard[256];
11872 ChessSquare pieceType[256] = { EmptySquare };
11873 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11874 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11875 int soughtTotal, turn;
11876 Boolean epOK, flipSearch;
11879 unsigned char piece, to;
11882 #define DSIZE (250000)
11884 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11885 Move *moveDatabase = initialSpace;
11886 unsigned int movePtr, dataSize = DSIZE;
11889 MakePieceList (Board board, int *counts)
11891 int r, f, n=Q_PROMO, total=0;
11892 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11893 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11894 int sq = f + (r<<4);
11895 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11896 quickBoard[sq] = ++n;
11898 pieceType[n] = board[r][f];
11899 counts[board[r][f]]++;
11900 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11901 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11905 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11910 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11912 int sq = fromX + (fromY<<4);
11913 int piece = quickBoard[sq];
11914 quickBoard[sq] = 0;
11915 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11916 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11917 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11918 moveDatabase[movePtr++].piece = Q_WCASTL;
11919 quickBoard[sq] = piece;
11920 piece = quickBoard[from]; quickBoard[from] = 0;
11921 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11923 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11924 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11925 moveDatabase[movePtr++].piece = Q_BCASTL;
11926 quickBoard[sq] = piece;
11927 piece = quickBoard[from]; quickBoard[from] = 0;
11928 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11930 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11931 quickBoard[(fromY<<4)+toX] = 0;
11932 moveDatabase[movePtr].piece = Q_EP;
11933 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11934 moveDatabase[movePtr].to = sq;
11936 if(promoPiece != pieceType[piece]) {
11937 moveDatabase[movePtr++].piece = Q_PROMO;
11938 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11940 moveDatabase[movePtr].piece = piece;
11941 quickBoard[sq] = piece;
11946 PackGame (Board board)
11948 Move *newSpace = NULL;
11949 moveDatabase[movePtr].piece = 0; // terminate previous game
11950 if(movePtr > dataSize) {
11951 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11952 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11953 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11956 Move *p = moveDatabase, *q = newSpace;
11957 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11958 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11959 moveDatabase = newSpace;
11960 } else { // calloc failed, we must be out of memory. Too bad...
11961 dataSize = 0; // prevent calloc events for all subsequent games
11962 return 0; // and signal this one isn't cached
11966 MakePieceList(board, counts);
11971 QuickCompare (Board board, int *minCounts, int *maxCounts)
11972 { // compare according to search mode
11974 switch(appData.searchMode)
11976 case 1: // exact position match
11977 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11978 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11979 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11982 case 2: // can have extra material on empty squares
11983 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11984 if(board[r][f] == EmptySquare) continue;
11985 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11988 case 3: // material with exact Pawn structure
11989 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11990 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11991 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11992 } // fall through to material comparison
11993 case 4: // exact material
11994 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11996 case 6: // material range with given imbalance
11997 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11998 // fall through to range comparison
11999 case 5: // material range
12000 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12006 QuickScan (Board board, Move *move)
12007 { // reconstruct game,and compare all positions in it
12008 int cnt=0, stretch=0, total = MakePieceList(board, counts);
12010 int piece = move->piece;
12011 int to = move->to, from = pieceList[piece];
12012 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12013 if(!piece) return -1;
12014 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12015 piece = (++move)->piece;
12016 from = pieceList[piece];
12017 counts[pieceType[piece]]--;
12018 pieceType[piece] = (ChessSquare) move->to;
12019 counts[move->to]++;
12020 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12021 counts[pieceType[quickBoard[to]]]--;
12022 quickBoard[to] = 0; total--;
12025 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12026 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12027 from = pieceList[piece]; // so this must be King
12028 quickBoard[from] = 0;
12029 pieceList[piece] = to;
12030 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12031 quickBoard[from] = 0; // rook
12032 quickBoard[to] = piece;
12033 to = move->to; piece = move->piece;
12037 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12038 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
12039 quickBoard[from] = 0;
12041 quickBoard[to] = piece;
12042 pieceList[piece] = to;
12044 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12045 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12046 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12047 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12049 static int lastCounts[EmptySquare+1];
12051 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12052 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12053 } else stretch = 0;
12054 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
12063 flipSearch = FALSE;
12064 CopyBoard(soughtBoard, boards[currentMove]);
12065 soughtTotal = MakePieceList(soughtBoard, maxSought);
12066 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12067 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12068 CopyBoard(reverseBoard, boards[currentMove]);
12069 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12070 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12071 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12072 reverseBoard[r][f] = piece;
12074 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12075 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12076 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12077 || (boards[currentMove][CASTLING][2] == NoRights ||
12078 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12079 && (boards[currentMove][CASTLING][5] == NoRights ||
12080 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12083 CopyBoard(flipBoard, soughtBoard);
12084 CopyBoard(rotateBoard, reverseBoard);
12085 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12086 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12087 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12090 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12091 if(appData.searchMode >= 5) {
12092 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12093 MakePieceList(soughtBoard, minSought);
12094 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12096 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12097 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12100 GameInfo dummyInfo;
12101 static int creatingBook;
12104 GameContainsPosition (FILE *f, ListGame *lg)
12106 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12107 int fromX, fromY, toX, toY;
12109 static int initDone=FALSE;
12111 // weed out games based on numerical tag comparison
12112 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12113 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12114 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12115 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12117 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12120 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12121 else CopyBoard(boards[scratch], initialPosition); // default start position
12124 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12125 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12128 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12129 fseek(f, lg->offset, 0);
12132 yyboardindex = scratch;
12133 quickFlag = plyNr+1;
12138 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12144 if(plyNr) return -1; // after we have seen moves, this is for new game
12147 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12148 case ImpossibleMove:
12149 case WhiteWins: // game ends here with these four
12152 case GameUnfinished:
12156 if(appData.testLegality) return -1;
12157 case WhiteCapturesEnPassant:
12158 case BlackCapturesEnPassant:
12159 case WhitePromotion:
12160 case BlackPromotion:
12161 case WhiteNonPromotion:
12162 case BlackNonPromotion:
12164 case WhiteKingSideCastle:
12165 case WhiteQueenSideCastle:
12166 case BlackKingSideCastle:
12167 case BlackQueenSideCastle:
12168 case WhiteKingSideCastleWild:
12169 case WhiteQueenSideCastleWild:
12170 case BlackKingSideCastleWild:
12171 case BlackQueenSideCastleWild:
12172 case WhiteHSideCastleFR:
12173 case WhiteASideCastleFR:
12174 case BlackHSideCastleFR:
12175 case BlackASideCastleFR:
12176 fromX = currentMoveString[0] - AAA;
12177 fromY = currentMoveString[1] - ONE;
12178 toX = currentMoveString[2] - AAA;
12179 toY = currentMoveString[3] - ONE;
12180 promoChar = currentMoveString[4];
12184 fromX = next == WhiteDrop ?
12185 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12186 (int) CharToPiece(ToLower(currentMoveString[0]));
12188 toX = currentMoveString[2] - AAA;
12189 toY = currentMoveString[3] - ONE;
12193 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12195 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12196 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12197 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12198 if(appData.findMirror) {
12199 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12200 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12205 /* Load the nth game from open file f */
12207 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12211 int gn = gameNumber;
12212 ListGame *lg = NULL;
12213 int numPGNTags = 0;
12215 GameMode oldGameMode;
12216 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12218 if (appData.debugMode)
12219 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12221 if (gameMode == Training )
12222 SetTrainingModeOff();
12224 oldGameMode = gameMode;
12225 if (gameMode != BeginningOfGame) {
12226 Reset(FALSE, TRUE);
12230 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12231 fclose(lastLoadGameFP);
12235 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12238 fseek(f, lg->offset, 0);
12239 GameListHighlight(gameNumber);
12240 pos = lg->position;
12244 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12245 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12247 DisplayError(_("Game number out of range"), 0);
12252 if (fseek(f, 0, 0) == -1) {
12253 if (f == lastLoadGameFP ?
12254 gameNumber == lastLoadGameNumber + 1 :
12258 DisplayError(_("Can't seek on game file"), 0);
12263 lastLoadGameFP = f;
12264 lastLoadGameNumber = gameNumber;
12265 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12266 lastLoadGameUseList = useList;
12270 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12271 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12272 lg->gameInfo.black);
12274 } else if (*title != NULLCHAR) {
12275 if (gameNumber > 1) {
12276 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12279 DisplayTitle(title);
12283 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12284 gameMode = PlayFromGameFile;
12288 currentMove = forwardMostMove = backwardMostMove = 0;
12289 CopyBoard(boards[0], initialPosition);
12293 * Skip the first gn-1 games in the file.
12294 * Also skip over anything that precedes an identifiable
12295 * start of game marker, to avoid being confused by
12296 * garbage at the start of the file. Currently
12297 * recognized start of game markers are the move number "1",
12298 * the pattern "gnuchess .* game", the pattern
12299 * "^[#;%] [^ ]* game file", and a PGN tag block.
12300 * A game that starts with one of the latter two patterns
12301 * will also have a move number 1, possibly
12302 * following a position diagram.
12303 * 5-4-02: Let's try being more lenient and allowing a game to
12304 * start with an unnumbered move. Does that break anything?
12306 cm = lastLoadGameStart = EndOfFile;
12308 yyboardindex = forwardMostMove;
12309 cm = (ChessMove) Myylex();
12312 if (cmailMsgLoaded) {
12313 nCmailGames = CMAIL_MAX_GAMES - gn;
12316 DisplayError(_("Game not found in file"), 0);
12323 lastLoadGameStart = cm;
12326 case MoveNumberOne:
12327 switch (lastLoadGameStart) {
12332 case MoveNumberOne:
12334 gn--; /* count this game */
12335 lastLoadGameStart = cm;
12344 switch (lastLoadGameStart) {
12347 case MoveNumberOne:
12349 gn--; /* count this game */
12350 lastLoadGameStart = cm;
12353 lastLoadGameStart = cm; /* game counted already */
12361 yyboardindex = forwardMostMove;
12362 cm = (ChessMove) Myylex();
12363 } while (cm == PGNTag || cm == Comment);
12370 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12371 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12372 != CMAIL_OLD_RESULT) {
12374 cmailResult[ CMAIL_MAX_GAMES
12375 - gn - 1] = CMAIL_OLD_RESULT;
12381 /* Only a NormalMove can be at the start of a game
12382 * without a position diagram. */
12383 if (lastLoadGameStart == EndOfFile ) {
12385 lastLoadGameStart = MoveNumberOne;
12394 if (appData.debugMode)
12395 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12397 if (cm == XBoardGame) {
12398 /* Skip any header junk before position diagram and/or move 1 */
12400 yyboardindex = forwardMostMove;
12401 cm = (ChessMove) Myylex();
12403 if (cm == EndOfFile ||
12404 cm == GNUChessGame || cm == XBoardGame) {
12405 /* Empty game; pretend end-of-file and handle later */
12410 if (cm == MoveNumberOne || cm == PositionDiagram ||
12411 cm == PGNTag || cm == Comment)
12414 } else if (cm == GNUChessGame) {
12415 if (gameInfo.event != NULL) {
12416 free(gameInfo.event);
12418 gameInfo.event = StrSave(yy_text);
12421 startedFromSetupPosition = FALSE;
12422 while (cm == PGNTag) {
12423 if (appData.debugMode)
12424 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12425 err = ParsePGNTag(yy_text, &gameInfo);
12426 if (!err) numPGNTags++;
12428 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12429 if(gameInfo.variant != oldVariant) {
12430 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12431 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12432 InitPosition(TRUE);
12433 oldVariant = gameInfo.variant;
12434 if (appData.debugMode)
12435 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12439 if (gameInfo.fen != NULL) {
12440 Board initial_position;
12441 startedFromSetupPosition = TRUE;
12442 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
12444 DisplayError(_("Bad FEN position in file"), 0);
12447 CopyBoard(boards[0], initial_position);
12448 if (blackPlaysFirst) {
12449 currentMove = forwardMostMove = backwardMostMove = 1;
12450 CopyBoard(boards[1], initial_position);
12451 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12452 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12453 timeRemaining[0][1] = whiteTimeRemaining;
12454 timeRemaining[1][1] = blackTimeRemaining;
12455 if (commentList[0] != NULL) {
12456 commentList[1] = commentList[0];
12457 commentList[0] = NULL;
12460 currentMove = forwardMostMove = backwardMostMove = 0;
12462 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12464 initialRulePlies = FENrulePlies;
12465 for( i=0; i< nrCastlingRights; i++ )
12466 initialRights[i] = initial_position[CASTLING][i];
12468 yyboardindex = forwardMostMove;
12469 free(gameInfo.fen);
12470 gameInfo.fen = NULL;
12473 yyboardindex = forwardMostMove;
12474 cm = (ChessMove) Myylex();
12476 /* Handle comments interspersed among the tags */
12477 while (cm == Comment) {
12479 if (appData.debugMode)
12480 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12482 AppendComment(currentMove, p, FALSE);
12483 yyboardindex = forwardMostMove;
12484 cm = (ChessMove) Myylex();
12488 /* don't rely on existence of Event tag since if game was
12489 * pasted from clipboard the Event tag may not exist
12491 if (numPGNTags > 0){
12493 if (gameInfo.variant == VariantNormal) {
12494 VariantClass v = StringToVariant(gameInfo.event);
12495 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12496 if(v < VariantShogi) gameInfo.variant = v;
12499 if( appData.autoDisplayTags ) {
12500 tags = PGNTags(&gameInfo);
12501 TagsPopUp(tags, CmailMsg());
12506 /* Make something up, but don't display it now */
12511 if (cm == PositionDiagram) {
12514 Board initial_position;
12516 if (appData.debugMode)
12517 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12519 if (!startedFromSetupPosition) {
12521 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12522 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12533 initial_position[i][j++] = CharToPiece(*p);
12536 while (*p == ' ' || *p == '\t' ||
12537 *p == '\n' || *p == '\r') p++;
12539 if (strncmp(p, "black", strlen("black"))==0)
12540 blackPlaysFirst = TRUE;
12542 blackPlaysFirst = FALSE;
12543 startedFromSetupPosition = TRUE;
12545 CopyBoard(boards[0], initial_position);
12546 if (blackPlaysFirst) {
12547 currentMove = forwardMostMove = backwardMostMove = 1;
12548 CopyBoard(boards[1], initial_position);
12549 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12550 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12551 timeRemaining[0][1] = whiteTimeRemaining;
12552 timeRemaining[1][1] = blackTimeRemaining;
12553 if (commentList[0] != NULL) {
12554 commentList[1] = commentList[0];
12555 commentList[0] = NULL;
12558 currentMove = forwardMostMove = backwardMostMove = 0;
12561 yyboardindex = forwardMostMove;
12562 cm = (ChessMove) Myylex();
12565 if(!creatingBook) {
12566 if (first.pr == NoProc) {
12567 StartChessProgram(&first);
12569 InitChessProgram(&first, FALSE);
12570 SendToProgram("force\n", &first);
12571 if (startedFromSetupPosition) {
12572 SendBoard(&first, forwardMostMove);
12573 if (appData.debugMode) {
12574 fprintf(debugFP, "Load Game\n");
12576 DisplayBothClocks();
12580 /* [HGM] server: flag to write setup moves in broadcast file as one */
12581 loadFlag = appData.suppressLoadMoves;
12583 while (cm == Comment) {
12585 if (appData.debugMode)
12586 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12588 AppendComment(currentMove, p, FALSE);
12589 yyboardindex = forwardMostMove;
12590 cm = (ChessMove) Myylex();
12593 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12594 cm == WhiteWins || cm == BlackWins ||
12595 cm == GameIsDrawn || cm == GameUnfinished) {
12596 DisplayMessage("", _("No moves in game"));
12597 if (cmailMsgLoaded) {
12598 if (appData.debugMode)
12599 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12603 DrawPosition(FALSE, boards[currentMove]);
12604 DisplayBothClocks();
12605 gameMode = EditGame;
12612 // [HGM] PV info: routine tests if comment empty
12613 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12614 DisplayComment(currentMove - 1, commentList[currentMove]);
12616 if (!matchMode && appData.timeDelay != 0)
12617 DrawPosition(FALSE, boards[currentMove]);
12619 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12620 programStats.ok_to_send = 1;
12623 /* if the first token after the PGN tags is a move
12624 * and not move number 1, retrieve it from the parser
12626 if (cm != MoveNumberOne)
12627 LoadGameOneMove(cm);
12629 /* load the remaining moves from the file */
12630 while (LoadGameOneMove(EndOfFile)) {
12631 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12632 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12635 /* rewind to the start of the game */
12636 currentMove = backwardMostMove;
12638 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12640 if (oldGameMode == AnalyzeFile) {
12641 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12642 AnalyzeFileEvent();
12644 if (oldGameMode == AnalyzeMode) {
12645 AnalyzeFileEvent();
12648 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
12649 long int w, b; // [HGM] adjourn: restore saved clock times
12650 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
12651 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
12652 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
12653 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
12657 if(creatingBook) return TRUE;
12658 if (!matchMode && pos > 0) {
12659 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12661 if (matchMode || appData.timeDelay == 0) {
12663 } else if (appData.timeDelay > 0) {
12664 AutoPlayGameLoop();
12667 if (appData.debugMode)
12668 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12670 loadFlag = 0; /* [HGM] true game starts */
12674 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12676 ReloadPosition (int offset)
12678 int positionNumber = lastLoadPositionNumber + offset;
12679 if (lastLoadPositionFP == NULL) {
12680 DisplayError(_("No position has been loaded yet"), 0);
12683 if (positionNumber <= 0) {
12684 DisplayError(_("Can't back up any further"), 0);
12687 return LoadPosition(lastLoadPositionFP, positionNumber,
12688 lastLoadPositionTitle);
12691 /* Load the nth position from the given file */
12693 LoadPositionFromFile (char *filename, int n, char *title)
12698 if (strcmp(filename, "-") == 0) {
12699 return LoadPosition(stdin, n, "stdin");
12701 f = fopen(filename, "rb");
12703 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12704 DisplayError(buf, errno);
12707 return LoadPosition(f, n, title);
12712 /* Load the nth position from the given open file, and close it */
12714 LoadPosition (FILE *f, int positionNumber, char *title)
12716 char *p, line[MSG_SIZ];
12717 Board initial_position;
12718 int i, j, fenMode, pn;
12720 if (gameMode == Training )
12721 SetTrainingModeOff();
12723 if (gameMode != BeginningOfGame) {
12724 Reset(FALSE, TRUE);
12726 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12727 fclose(lastLoadPositionFP);
12729 if (positionNumber == 0) positionNumber = 1;
12730 lastLoadPositionFP = f;
12731 lastLoadPositionNumber = positionNumber;
12732 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12733 if (first.pr == NoProc && !appData.noChessProgram) {
12734 StartChessProgram(&first);
12735 InitChessProgram(&first, FALSE);
12737 pn = positionNumber;
12738 if (positionNumber < 0) {
12739 /* Negative position number means to seek to that byte offset */
12740 if (fseek(f, -positionNumber, 0) == -1) {
12741 DisplayError(_("Can't seek on position file"), 0);
12746 if (fseek(f, 0, 0) == -1) {
12747 if (f == lastLoadPositionFP ?
12748 positionNumber == lastLoadPositionNumber + 1 :
12749 positionNumber == 1) {
12752 DisplayError(_("Can't seek on position file"), 0);
12757 /* See if this file is FEN or old-style xboard */
12758 if (fgets(line, MSG_SIZ, f) == NULL) {
12759 DisplayError(_("Position not found in file"), 0);
12762 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12763 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12766 if (fenMode || line[0] == '#') pn--;
12768 /* skip positions before number pn */
12769 if (fgets(line, MSG_SIZ, f) == NULL) {
12771 DisplayError(_("Position not found in file"), 0);
12774 if (fenMode || line[0] == '#') pn--;
12779 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
12780 DisplayError(_("Bad FEN position in file"), 0);
12784 (void) fgets(line, MSG_SIZ, f);
12785 (void) fgets(line, MSG_SIZ, f);
12787 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12788 (void) fgets(line, MSG_SIZ, f);
12789 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12792 initial_position[i][j++] = CharToPiece(*p);
12796 blackPlaysFirst = FALSE;
12798 (void) fgets(line, MSG_SIZ, f);
12799 if (strncmp(line, "black", strlen("black"))==0)
12800 blackPlaysFirst = TRUE;
12803 startedFromSetupPosition = TRUE;
12805 CopyBoard(boards[0], initial_position);
12806 if (blackPlaysFirst) {
12807 currentMove = forwardMostMove = backwardMostMove = 1;
12808 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12809 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12810 CopyBoard(boards[1], initial_position);
12811 DisplayMessage("", _("Black to play"));
12813 currentMove = forwardMostMove = backwardMostMove = 0;
12814 DisplayMessage("", _("White to play"));
12816 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12817 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12818 SendToProgram("force\n", &first);
12819 SendBoard(&first, forwardMostMove);
12821 if (appData.debugMode) {
12823 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12824 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12825 fprintf(debugFP, "Load Position\n");
12828 if (positionNumber > 1) {
12829 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12830 DisplayTitle(line);
12832 DisplayTitle(title);
12834 gameMode = EditGame;
12837 timeRemaining[0][1] = whiteTimeRemaining;
12838 timeRemaining[1][1] = blackTimeRemaining;
12839 DrawPosition(FALSE, boards[currentMove]);
12846 CopyPlayerNameIntoFileName (char **dest, char *src)
12848 while (*src != NULLCHAR && *src != ',') {
12853 *(*dest)++ = *src++;
12859 DefaultFileName (char *ext)
12861 static char def[MSG_SIZ];
12864 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12866 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12868 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12870 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12877 /* Save the current game to the given file */
12879 SaveGameToFile (char *filename, int append)
12883 int result, i, t,tot=0;
12885 if (strcmp(filename, "-") == 0) {
12886 return SaveGame(stdout, 0, NULL);
12888 for(i=0; i<10; i++) { // upto 10 tries
12889 f = fopen(filename, append ? "a" : "w");
12890 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12891 if(f || errno != 13) break;
12892 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12896 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12897 DisplayError(buf, errno);
12900 safeStrCpy(buf, lastMsg, MSG_SIZ);
12901 DisplayMessage(_("Waiting for access to save file"), "");
12902 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12903 DisplayMessage(_("Saving game"), "");
12904 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12905 result = SaveGame(f, 0, NULL);
12906 DisplayMessage(buf, "");
12913 SavePart (char *str)
12915 static char buf[MSG_SIZ];
12918 p = strchr(str, ' ');
12919 if (p == NULL) return str;
12920 strncpy(buf, str, p - str);
12921 buf[p - str] = NULLCHAR;
12925 #define PGN_MAX_LINE 75
12927 #define PGN_SIDE_WHITE 0
12928 #define PGN_SIDE_BLACK 1
12931 FindFirstMoveOutOfBook (int side)
12935 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12936 int index = backwardMostMove;
12937 int has_book_hit = 0;
12939 if( (index % 2) != side ) {
12943 while( index < forwardMostMove ) {
12944 /* Check to see if engine is in book */
12945 int depth = pvInfoList[index].depth;
12946 int score = pvInfoList[index].score;
12952 else if( score == 0 && depth == 63 ) {
12953 in_book = 1; /* Zappa */
12955 else if( score == 2 && depth == 99 ) {
12956 in_book = 1; /* Abrok */
12959 has_book_hit += in_book;
12975 GetOutOfBookInfo (char * buf)
12979 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12981 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12982 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12986 if( oob[0] >= 0 || oob[1] >= 0 ) {
12987 for( i=0; i<2; i++ ) {
12991 if( i > 0 && oob[0] >= 0 ) {
12992 strcat( buf, " " );
12995 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12996 sprintf( buf+strlen(buf), "%s%.2f",
12997 pvInfoList[idx].score >= 0 ? "+" : "",
12998 pvInfoList[idx].score / 100.0 );
13004 /* Save game in PGN style and close the file */
13006 SaveGamePGN (FILE *f)
13008 int i, offset, linelen, newblock;
13011 int movelen, numlen, blank;
13012 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13014 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13016 PrintPGNTags(f, &gameInfo);
13018 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13020 if (backwardMostMove > 0 || startedFromSetupPosition) {
13021 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13022 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13023 fprintf(f, "\n{--------------\n");
13024 PrintPosition(f, backwardMostMove);
13025 fprintf(f, "--------------}\n");
13029 /* [AS] Out of book annotation */
13030 if( appData.saveOutOfBookInfo ) {
13033 GetOutOfBookInfo( buf );
13035 if( buf[0] != '\0' ) {
13036 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13043 i = backwardMostMove;
13047 while (i < forwardMostMove) {
13048 /* Print comments preceding this move */
13049 if (commentList[i] != NULL) {
13050 if (linelen > 0) fprintf(f, "\n");
13051 fprintf(f, "%s", commentList[i]);
13056 /* Format move number */
13058 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13061 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13063 numtext[0] = NULLCHAR;
13065 numlen = strlen(numtext);
13068 /* Print move number */
13069 blank = linelen > 0 && numlen > 0;
13070 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13079 fprintf(f, "%s", numtext);
13083 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13084 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13087 blank = linelen > 0 && movelen > 0;
13088 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13097 fprintf(f, "%s", move_buffer);
13098 linelen += movelen;
13100 /* [AS] Add PV info if present */
13101 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13102 /* [HGM] add time */
13103 char buf[MSG_SIZ]; int seconds;
13105 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13111 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13114 seconds = (seconds + 4)/10; // round to full seconds
13116 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13118 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13121 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13122 pvInfoList[i].score >= 0 ? "+" : "",
13123 pvInfoList[i].score / 100.0,
13124 pvInfoList[i].depth,
13127 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13129 /* Print score/depth */
13130 blank = linelen > 0 && movelen > 0;
13131 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13140 fprintf(f, "%s", move_buffer);
13141 linelen += movelen;
13147 /* Start a new line */
13148 if (linelen > 0) fprintf(f, "\n");
13150 /* Print comments after last move */
13151 if (commentList[i] != NULL) {
13152 fprintf(f, "%s\n", commentList[i]);
13156 if (gameInfo.resultDetails != NULL &&
13157 gameInfo.resultDetails[0] != NULLCHAR) {
13158 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13159 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13160 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13161 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13162 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13164 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13168 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13172 /* Save game in old style and close the file */
13174 SaveGameOldStyle (FILE *f)
13179 tm = time((time_t *) NULL);
13181 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13184 if (backwardMostMove > 0 || startedFromSetupPosition) {
13185 fprintf(f, "\n[--------------\n");
13186 PrintPosition(f, backwardMostMove);
13187 fprintf(f, "--------------]\n");
13192 i = backwardMostMove;
13193 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13195 while (i < forwardMostMove) {
13196 if (commentList[i] != NULL) {
13197 fprintf(f, "[%s]\n", commentList[i]);
13200 if ((i % 2) == 1) {
13201 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13204 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13206 if (commentList[i] != NULL) {
13210 if (i >= forwardMostMove) {
13214 fprintf(f, "%s\n", parseList[i]);
13219 if (commentList[i] != NULL) {
13220 fprintf(f, "[%s]\n", commentList[i]);
13223 /* This isn't really the old style, but it's close enough */
13224 if (gameInfo.resultDetails != NULL &&
13225 gameInfo.resultDetails[0] != NULLCHAR) {
13226 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13227 gameInfo.resultDetails);
13229 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13236 /* Save the current game to open file f and close the file */
13238 SaveGame (FILE *f, int dummy, char *dummy2)
13240 if (gameMode == EditPosition) EditPositionDone(TRUE);
13241 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13242 if (appData.oldSaveStyle)
13243 return SaveGameOldStyle(f);
13245 return SaveGamePGN(f);
13248 /* Save the current position to the given file */
13250 SavePositionToFile (char *filename)
13255 if (strcmp(filename, "-") == 0) {
13256 return SavePosition(stdout, 0, NULL);
13258 f = fopen(filename, "a");
13260 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13261 DisplayError(buf, errno);
13264 safeStrCpy(buf, lastMsg, MSG_SIZ);
13265 DisplayMessage(_("Waiting for access to save file"), "");
13266 flock(fileno(f), LOCK_EX); // [HGM] lock
13267 DisplayMessage(_("Saving position"), "");
13268 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13269 SavePosition(f, 0, NULL);
13270 DisplayMessage(buf, "");
13276 /* Save the current position to the given open file and close the file */
13278 SavePosition (FILE *f, int dummy, char *dummy2)
13283 if (gameMode == EditPosition) EditPositionDone(TRUE);
13284 if (appData.oldSaveStyle) {
13285 tm = time((time_t *) NULL);
13287 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13289 fprintf(f, "[--------------\n");
13290 PrintPosition(f, currentMove);
13291 fprintf(f, "--------------]\n");
13293 fen = PositionToFEN(currentMove, NULL, 1);
13294 fprintf(f, "%s\n", fen);
13302 ReloadCmailMsgEvent (int unregister)
13305 static char *inFilename = NULL;
13306 static char *outFilename;
13308 struct stat inbuf, outbuf;
13311 /* Any registered moves are unregistered if unregister is set, */
13312 /* i.e. invoked by the signal handler */
13314 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13315 cmailMoveRegistered[i] = FALSE;
13316 if (cmailCommentList[i] != NULL) {
13317 free(cmailCommentList[i]);
13318 cmailCommentList[i] = NULL;
13321 nCmailMovesRegistered = 0;
13324 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13325 cmailResult[i] = CMAIL_NOT_RESULT;
13329 if (inFilename == NULL) {
13330 /* Because the filenames are static they only get malloced once */
13331 /* and they never get freed */
13332 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13333 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13335 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13336 sprintf(outFilename, "%s.out", appData.cmailGameName);
13339 status = stat(outFilename, &outbuf);
13341 cmailMailedMove = FALSE;
13343 status = stat(inFilename, &inbuf);
13344 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13347 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13348 counts the games, notes how each one terminated, etc.
13350 It would be nice to remove this kludge and instead gather all
13351 the information while building the game list. (And to keep it
13352 in the game list nodes instead of having a bunch of fixed-size
13353 parallel arrays.) Note this will require getting each game's
13354 termination from the PGN tags, as the game list builder does
13355 not process the game moves. --mann
13357 cmailMsgLoaded = TRUE;
13358 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13360 /* Load first game in the file or popup game menu */
13361 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13363 #endif /* !WIN32 */
13371 char string[MSG_SIZ];
13373 if ( cmailMailedMove
13374 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13375 return TRUE; /* Allow free viewing */
13378 /* Unregister move to ensure that we don't leave RegisterMove */
13379 /* with the move registered when the conditions for registering no */
13381 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13382 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13383 nCmailMovesRegistered --;
13385 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13387 free(cmailCommentList[lastLoadGameNumber - 1]);
13388 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13392 if (cmailOldMove == -1) {
13393 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13397 if (currentMove > cmailOldMove + 1) {
13398 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13402 if (currentMove < cmailOldMove) {
13403 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13407 if (forwardMostMove > currentMove) {
13408 /* Silently truncate extra moves */
13412 if ( (currentMove == cmailOldMove + 1)
13413 || ( (currentMove == cmailOldMove)
13414 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13415 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13416 if (gameInfo.result != GameUnfinished) {
13417 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13420 if (commentList[currentMove] != NULL) {
13421 cmailCommentList[lastLoadGameNumber - 1]
13422 = StrSave(commentList[currentMove]);
13424 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13426 if (appData.debugMode)
13427 fprintf(debugFP, "Saving %s for game %d\n",
13428 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13430 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13432 f = fopen(string, "w");
13433 if (appData.oldSaveStyle) {
13434 SaveGameOldStyle(f); /* also closes the file */
13436 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13437 f = fopen(string, "w");
13438 SavePosition(f, 0, NULL); /* also closes the file */
13440 fprintf(f, "{--------------\n");
13441 PrintPosition(f, currentMove);
13442 fprintf(f, "--------------}\n\n");
13444 SaveGame(f, 0, NULL); /* also closes the file*/
13447 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13448 nCmailMovesRegistered ++;
13449 } else if (nCmailGames == 1) {
13450 DisplayError(_("You have not made a move yet"), 0);
13461 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13462 FILE *commandOutput;
13463 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13464 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13470 if (! cmailMsgLoaded) {
13471 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13475 if (nCmailGames == nCmailResults) {
13476 DisplayError(_("No unfinished games"), 0);
13480 #if CMAIL_PROHIBIT_REMAIL
13481 if (cmailMailedMove) {
13482 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);
13483 DisplayError(msg, 0);
13488 if (! (cmailMailedMove || RegisterMove())) return;
13490 if ( cmailMailedMove
13491 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13492 snprintf(string, MSG_SIZ, partCommandString,
13493 appData.debugMode ? " -v" : "", appData.cmailGameName);
13494 commandOutput = popen(string, "r");
13496 if (commandOutput == NULL) {
13497 DisplayError(_("Failed to invoke cmail"), 0);
13499 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13500 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13502 if (nBuffers > 1) {
13503 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13504 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13505 nBytes = MSG_SIZ - 1;
13507 (void) memcpy(msg, buffer, nBytes);
13509 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13511 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13512 cmailMailedMove = TRUE; /* Prevent >1 moves */
13515 for (i = 0; i < nCmailGames; i ++) {
13516 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13521 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13523 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13525 appData.cmailGameName,
13527 LoadGameFromFile(buffer, 1, buffer, FALSE);
13528 cmailMsgLoaded = FALSE;
13532 DisplayInformation(msg);
13533 pclose(commandOutput);
13536 if ((*cmailMsg) != '\0') {
13537 DisplayInformation(cmailMsg);
13542 #endif /* !WIN32 */
13551 int prependComma = 0;
13553 char string[MSG_SIZ]; /* Space for game-list */
13556 if (!cmailMsgLoaded) return "";
13558 if (cmailMailedMove) {
13559 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13561 /* Create a list of games left */
13562 snprintf(string, MSG_SIZ, "[");
13563 for (i = 0; i < nCmailGames; i ++) {
13564 if (! ( cmailMoveRegistered[i]
13565 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13566 if (prependComma) {
13567 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13569 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13573 strcat(string, number);
13576 strcat(string, "]");
13578 if (nCmailMovesRegistered + nCmailResults == 0) {
13579 switch (nCmailGames) {
13581 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13585 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13589 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13594 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13596 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13601 if (nCmailResults == nCmailGames) {
13602 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13604 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13609 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13621 if (gameMode == Training)
13622 SetTrainingModeOff();
13625 cmailMsgLoaded = FALSE;
13626 if (appData.icsActive) {
13627 SendToICS(ics_prefix);
13628 SendToICS("refresh\n");
13633 ExitEvent (int status)
13637 /* Give up on clean exit */
13641 /* Keep trying for clean exit */
13645 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13647 if (telnetISR != NULL) {
13648 RemoveInputSource(telnetISR);
13650 if (icsPR != NoProc) {
13651 DestroyChildProcess(icsPR, TRUE);
13654 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13655 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13657 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13658 /* make sure this other one finishes before killing it! */
13659 if(endingGame) { int count = 0;
13660 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13661 while(endingGame && count++ < 10) DoSleep(1);
13662 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13665 /* Kill off chess programs */
13666 if (first.pr != NoProc) {
13669 DoSleep( appData.delayBeforeQuit );
13670 SendToProgram("quit\n", &first);
13671 DoSleep( appData.delayAfterQuit );
13672 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13674 if (second.pr != NoProc) {
13675 DoSleep( appData.delayBeforeQuit );
13676 SendToProgram("quit\n", &second);
13677 DoSleep( appData.delayAfterQuit );
13678 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13680 if (first.isr != NULL) {
13681 RemoveInputSource(first.isr);
13683 if (second.isr != NULL) {
13684 RemoveInputSource(second.isr);
13687 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13688 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13690 ShutDownFrontEnd();
13695 PauseEngine (ChessProgramState *cps)
13697 SendToProgram("pause\n", cps);
13702 UnPauseEngine (ChessProgramState *cps)
13704 SendToProgram("resume\n", cps);
13711 if (appData.debugMode)
13712 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13716 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
13718 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
13719 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
13720 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
13722 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
13723 HandleMachineMove(stashedInputMove, stalledEngine);
13724 stalledEngine = NULL;
13727 if (gameMode == MachinePlaysWhite ||
13728 gameMode == TwoMachinesPlay ||
13729 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
13730 if(first.pause) UnPauseEngine(&first);
13731 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
13732 if(second.pause) UnPauseEngine(&second);
13733 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
13736 DisplayBothClocks();
13738 if (gameMode == PlayFromGameFile) {
13739 if (appData.timeDelay >= 0)
13740 AutoPlayGameLoop();
13741 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13742 Reset(FALSE, TRUE);
13743 SendToICS(ics_prefix);
13744 SendToICS("refresh\n");
13745 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
13746 ForwardInner(forwardMostMove);
13748 pauseExamInvalid = FALSE;
13750 switch (gameMode) {
13754 pauseExamForwardMostMove = forwardMostMove;
13755 pauseExamInvalid = FALSE;
13758 case IcsPlayingWhite:
13759 case IcsPlayingBlack:
13763 case PlayFromGameFile:
13764 (void) StopLoadGameTimer();
13768 case BeginningOfGame:
13769 if (appData.icsActive) return;
13770 /* else fall through */
13771 case MachinePlaysWhite:
13772 case MachinePlaysBlack:
13773 case TwoMachinesPlay:
13774 if (forwardMostMove == 0)
13775 return; /* don't pause if no one has moved */
13776 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
13777 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
13778 if(onMove->pause) { // thinking engine can be paused
13779 PauseEngine(onMove); // do it
13780 if(onMove->other->pause) // pondering opponent can always be paused immediately
13781 PauseEngine(onMove->other);
13783 SendToProgram("easy\n", onMove->other);
13785 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
13786 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
13788 PauseEngine(&first);
13790 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
13791 } else { // human on move, pause pondering by either method
13793 PauseEngine(&first);
13794 else if(appData.ponderNextMove)
13795 SendToProgram("easy\n", &first);
13798 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
13808 EditCommentEvent ()
13810 char title[MSG_SIZ];
13812 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13813 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13815 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13816 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13817 parseList[currentMove - 1]);
13820 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13827 char *tags = PGNTags(&gameInfo);
13829 EditTagsPopUp(tags, NULL);
13836 if(second.analyzing) {
13837 SendToProgram("exit\n", &second);
13838 second.analyzing = FALSE;
13840 if (second.pr == NoProc) StartChessProgram(&second);
13841 InitChessProgram(&second, FALSE);
13842 FeedMovesToProgram(&second, currentMove);
13844 SendToProgram("analyze\n", &second);
13845 second.analyzing = TRUE;
13849 /* Toggle ShowThinking */
13851 ToggleShowThinking()
13853 appData.showThinking = !appData.showThinking;
13854 ShowThinkingEvent();
13858 AnalyzeModeEvent ()
13862 if (!first.analysisSupport) {
13863 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13864 DisplayError(buf, 0);
13867 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
13868 if (appData.icsActive) {
13869 if (gameMode != IcsObserving) {
13870 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
13871 DisplayError(buf, 0);
13873 if (appData.icsEngineAnalyze) {
13874 if (appData.debugMode)
13875 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
13881 /* if enable, user wants to disable icsEngineAnalyze */
13882 if (appData.icsEngineAnalyze) {
13887 appData.icsEngineAnalyze = TRUE;
13888 if (appData.debugMode)
13889 fprintf(debugFP, "ICS engine analyze starting... \n");
13892 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
13893 if (appData.noChessProgram || gameMode == AnalyzeMode)
13896 if (gameMode != AnalyzeFile) {
13897 if (!appData.icsEngineAnalyze) {
13899 if (gameMode != EditGame) return 0;
13901 if (!appData.showThinking) ToggleShowThinking();
13902 ResurrectChessProgram();
13903 SendToProgram("analyze\n", &first);
13904 first.analyzing = TRUE;
13905 /*first.maybeThinking = TRUE;*/
13906 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13907 EngineOutputPopUp();
13909 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13914 StartAnalysisClock();
13915 GetTimeMark(&lastNodeCountTime);
13921 AnalyzeFileEvent ()
13923 if (appData.noChessProgram || gameMode == AnalyzeFile)
13926 if (!first.analysisSupport) {
13928 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13929 DisplayError(buf, 0);
13933 if (gameMode != AnalyzeMode) {
13934 keepInfo = 1; // mere annotating should not alter PGN tags
13937 if (gameMode != EditGame) return;
13938 if (!appData.showThinking) ToggleShowThinking();
13939 ResurrectChessProgram();
13940 SendToProgram("analyze\n", &first);
13941 first.analyzing = TRUE;
13942 /*first.maybeThinking = TRUE;*/
13943 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13944 EngineOutputPopUp();
13946 gameMode = AnalyzeFile;
13950 StartAnalysisClock();
13951 GetTimeMark(&lastNodeCountTime);
13953 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
13954 AnalysisPeriodicEvent(1);
13958 MachineWhiteEvent ()
13961 char *bookHit = NULL;
13963 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13967 if (gameMode == PlayFromGameFile ||
13968 gameMode == TwoMachinesPlay ||
13969 gameMode == Training ||
13970 gameMode == AnalyzeMode ||
13971 gameMode == EndOfGame)
13974 if (gameMode == EditPosition)
13975 EditPositionDone(TRUE);
13977 if (!WhiteOnMove(currentMove)) {
13978 DisplayError(_("It is not White's turn"), 0);
13982 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13985 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13986 gameMode == AnalyzeFile)
13989 ResurrectChessProgram(); /* in case it isn't running */
13990 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13991 gameMode = MachinePlaysWhite;
13994 gameMode = MachinePlaysWhite;
13998 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14000 if (first.sendName) {
14001 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14002 SendToProgram(buf, &first);
14004 if (first.sendTime) {
14005 if (first.useColors) {
14006 SendToProgram("black\n", &first); /*gnu kludge*/
14008 SendTimeRemaining(&first, TRUE);
14010 if (first.useColors) {
14011 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14013 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14014 SetMachineThinkingEnables();
14015 first.maybeThinking = TRUE;
14019 if (appData.autoFlipView && !flipView) {
14020 flipView = !flipView;
14021 DrawPosition(FALSE, NULL);
14022 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14025 if(bookHit) { // [HGM] book: simulate book reply
14026 static char bookMove[MSG_SIZ]; // a bit generous?
14028 programStats.nodes = programStats.depth = programStats.time =
14029 programStats.score = programStats.got_only_move = 0;
14030 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14032 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14033 strcat(bookMove, bookHit);
14034 HandleMachineMove(bookMove, &first);
14039 MachineBlackEvent ()
14042 char *bookHit = NULL;
14044 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14048 if (gameMode == PlayFromGameFile ||
14049 gameMode == TwoMachinesPlay ||
14050 gameMode == Training ||
14051 gameMode == AnalyzeMode ||
14052 gameMode == EndOfGame)
14055 if (gameMode == EditPosition)
14056 EditPositionDone(TRUE);
14058 if (WhiteOnMove(currentMove)) {
14059 DisplayError(_("It is not Black's turn"), 0);
14063 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14066 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14067 gameMode == AnalyzeFile)
14070 ResurrectChessProgram(); /* in case it isn't running */
14071 gameMode = MachinePlaysBlack;
14075 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14077 if (first.sendName) {
14078 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14079 SendToProgram(buf, &first);
14081 if (first.sendTime) {
14082 if (first.useColors) {
14083 SendToProgram("white\n", &first); /*gnu kludge*/
14085 SendTimeRemaining(&first, FALSE);
14087 if (first.useColors) {
14088 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14090 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14091 SetMachineThinkingEnables();
14092 first.maybeThinking = TRUE;
14095 if (appData.autoFlipView && flipView) {
14096 flipView = !flipView;
14097 DrawPosition(FALSE, NULL);
14098 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14100 if(bookHit) { // [HGM] book: simulate book reply
14101 static char bookMove[MSG_SIZ]; // a bit generous?
14103 programStats.nodes = programStats.depth = programStats.time =
14104 programStats.score = programStats.got_only_move = 0;
14105 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14107 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14108 strcat(bookMove, bookHit);
14109 HandleMachineMove(bookMove, &first);
14115 DisplayTwoMachinesTitle ()
14118 if (appData.matchGames > 0) {
14119 if(appData.tourneyFile[0]) {
14120 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14121 gameInfo.white, _("vs."), gameInfo.black,
14122 nextGame+1, appData.matchGames+1,
14123 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14125 if (first.twoMachinesColor[0] == 'w') {
14126 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14127 gameInfo.white, _("vs."), gameInfo.black,
14128 first.matchWins, second.matchWins,
14129 matchGame - 1 - (first.matchWins + second.matchWins));
14131 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14132 gameInfo.white, _("vs."), gameInfo.black,
14133 second.matchWins, first.matchWins,
14134 matchGame - 1 - (first.matchWins + second.matchWins));
14137 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14143 SettingsMenuIfReady ()
14145 if (second.lastPing != second.lastPong) {
14146 DisplayMessage("", _("Waiting for second chess program"));
14147 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14151 DisplayMessage("", "");
14152 SettingsPopUp(&second);
14156 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14159 if (cps->pr == NoProc) {
14160 StartChessProgram(cps);
14161 if (cps->protocolVersion == 1) {
14163 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14165 /* kludge: allow timeout for initial "feature" command */
14166 if(retry != TwoMachinesEventIfReady) FreezeUI();
14167 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14168 DisplayMessage("", buf);
14169 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14177 TwoMachinesEvent P((void))
14181 ChessProgramState *onmove;
14182 char *bookHit = NULL;
14183 static int stalling = 0;
14187 if (appData.noChessProgram) return;
14189 switch (gameMode) {
14190 case TwoMachinesPlay:
14192 case MachinePlaysWhite:
14193 case MachinePlaysBlack:
14194 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14195 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14199 case BeginningOfGame:
14200 case PlayFromGameFile:
14203 if (gameMode != EditGame) return;
14206 EditPositionDone(TRUE);
14217 // forwardMostMove = currentMove;
14218 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14219 startingEngine = TRUE;
14221 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14223 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14224 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14225 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14228 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14230 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
14231 startingEngine = FALSE;
14232 DisplayError("second engine does not play this", 0);
14237 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14238 SendToProgram("force\n", &second);
14240 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14243 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14244 if(appData.matchPause>10000 || appData.matchPause<10)
14245 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14246 wait = SubtractTimeMarks(&now, &pauseStart);
14247 if(wait < appData.matchPause) {
14248 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14251 // we are now committed to starting the game
14253 DisplayMessage("", "");
14254 if (startedFromSetupPosition) {
14255 SendBoard(&second, backwardMostMove);
14256 if (appData.debugMode) {
14257 fprintf(debugFP, "Two Machines\n");
14260 for (i = backwardMostMove; i < forwardMostMove; i++) {
14261 SendMoveToProgram(i, &second);
14264 gameMode = TwoMachinesPlay;
14265 pausing = startingEngine = FALSE;
14266 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14268 DisplayTwoMachinesTitle();
14270 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14275 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14276 SendToProgram(first.computerString, &first);
14277 if (first.sendName) {
14278 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14279 SendToProgram(buf, &first);
14281 SendToProgram(second.computerString, &second);
14282 if (second.sendName) {
14283 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14284 SendToProgram(buf, &second);
14288 if (!first.sendTime || !second.sendTime) {
14289 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14290 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14292 if (onmove->sendTime) {
14293 if (onmove->useColors) {
14294 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14296 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14298 if (onmove->useColors) {
14299 SendToProgram(onmove->twoMachinesColor, onmove);
14301 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14302 // SendToProgram("go\n", onmove);
14303 onmove->maybeThinking = TRUE;
14304 SetMachineThinkingEnables();
14308 if(bookHit) { // [HGM] book: simulate book reply
14309 static char bookMove[MSG_SIZ]; // a bit generous?
14311 programStats.nodes = programStats.depth = programStats.time =
14312 programStats.score = programStats.got_only_move = 0;
14313 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14315 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14316 strcat(bookMove, bookHit);
14317 savedMessage = bookMove; // args for deferred call
14318 savedState = onmove;
14319 ScheduleDelayedEvent(DeferredBookMove, 1);
14326 if (gameMode == Training) {
14327 SetTrainingModeOff();
14328 gameMode = PlayFromGameFile;
14329 DisplayMessage("", _("Training mode off"));
14331 gameMode = Training;
14332 animateTraining = appData.animate;
14334 /* make sure we are not already at the end of the game */
14335 if (currentMove < forwardMostMove) {
14336 SetTrainingModeOn();
14337 DisplayMessage("", _("Training mode on"));
14339 gameMode = PlayFromGameFile;
14340 DisplayError(_("Already at end of game"), 0);
14349 if (!appData.icsActive) return;
14350 switch (gameMode) {
14351 case IcsPlayingWhite:
14352 case IcsPlayingBlack:
14355 case BeginningOfGame:
14363 EditPositionDone(TRUE);
14376 gameMode = IcsIdle;
14386 switch (gameMode) {
14388 SetTrainingModeOff();
14390 case MachinePlaysWhite:
14391 case MachinePlaysBlack:
14392 case BeginningOfGame:
14393 SendToProgram("force\n", &first);
14394 SetUserThinkingEnables();
14396 case PlayFromGameFile:
14397 (void) StopLoadGameTimer();
14398 if (gameFileFP != NULL) {
14403 EditPositionDone(TRUE);
14408 SendToProgram("force\n", &first);
14410 case TwoMachinesPlay:
14411 GameEnds(EndOfFile, NULL, GE_PLAYER);
14412 ResurrectChessProgram();
14413 SetUserThinkingEnables();
14416 ResurrectChessProgram();
14418 case IcsPlayingBlack:
14419 case IcsPlayingWhite:
14420 DisplayError(_("Warning: You are still playing a game"), 0);
14423 DisplayError(_("Warning: You are still observing a game"), 0);
14426 DisplayError(_("Warning: You are still examining a game"), 0);
14437 first.offeredDraw = second.offeredDraw = 0;
14439 if (gameMode == PlayFromGameFile) {
14440 whiteTimeRemaining = timeRemaining[0][currentMove];
14441 blackTimeRemaining = timeRemaining[1][currentMove];
14445 if (gameMode == MachinePlaysWhite ||
14446 gameMode == MachinePlaysBlack ||
14447 gameMode == TwoMachinesPlay ||
14448 gameMode == EndOfGame) {
14449 i = forwardMostMove;
14450 while (i > currentMove) {
14451 SendToProgram("undo\n", &first);
14454 if(!adjustedClock) {
14455 whiteTimeRemaining = timeRemaining[0][currentMove];
14456 blackTimeRemaining = timeRemaining[1][currentMove];
14457 DisplayBothClocks();
14459 if (whiteFlag || blackFlag) {
14460 whiteFlag = blackFlag = 0;
14465 gameMode = EditGame;
14472 EditPositionEvent ()
14474 if (gameMode == EditPosition) {
14480 if (gameMode != EditGame) return;
14482 gameMode = EditPosition;
14485 if (currentMove > 0)
14486 CopyBoard(boards[0], boards[currentMove]);
14488 blackPlaysFirst = !WhiteOnMove(currentMove);
14490 currentMove = forwardMostMove = backwardMostMove = 0;
14491 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14493 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14499 /* [DM] icsEngineAnalyze - possible call from other functions */
14500 if (appData.icsEngineAnalyze) {
14501 appData.icsEngineAnalyze = FALSE;
14503 DisplayMessage("",_("Close ICS engine analyze..."));
14505 if (first.analysisSupport && first.analyzing) {
14506 SendToBoth("exit\n");
14507 first.analyzing = second.analyzing = FALSE;
14509 thinkOutput[0] = NULLCHAR;
14513 EditPositionDone (Boolean fakeRights)
14515 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14517 startedFromSetupPosition = TRUE;
14518 InitChessProgram(&first, FALSE);
14519 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14520 boards[0][EP_STATUS] = EP_NONE;
14521 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14522 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14523 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14524 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14525 } else boards[0][CASTLING][2] = NoRights;
14526 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14527 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14528 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14529 } else boards[0][CASTLING][5] = NoRights;
14530 if(gameInfo.variant == VariantSChess) {
14532 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14533 boards[0][VIRGIN][i] = 0;
14534 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14535 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14539 SendToProgram("force\n", &first);
14540 if (blackPlaysFirst) {
14541 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14542 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14543 currentMove = forwardMostMove = backwardMostMove = 1;
14544 CopyBoard(boards[1], boards[0]);
14546 currentMove = forwardMostMove = backwardMostMove = 0;
14548 SendBoard(&first, forwardMostMove);
14549 if (appData.debugMode) {
14550 fprintf(debugFP, "EditPosDone\n");
14553 DisplayMessage("", "");
14554 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14555 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14556 gameMode = EditGame;
14558 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14559 ClearHighlights(); /* [AS] */
14562 /* Pause for `ms' milliseconds */
14563 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14565 TimeDelay (long ms)
14572 } while (SubtractTimeMarks(&m2, &m1) < ms);
14575 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14577 SendMultiLineToICS (char *buf)
14579 char temp[MSG_SIZ+1], *p;
14586 strncpy(temp, buf, len);
14591 if (*p == '\n' || *p == '\r')
14596 strcat(temp, "\n");
14598 SendToPlayer(temp, strlen(temp));
14602 SetWhiteToPlayEvent ()
14604 if (gameMode == EditPosition) {
14605 blackPlaysFirst = FALSE;
14606 DisplayBothClocks(); /* works because currentMove is 0 */
14607 } else if (gameMode == IcsExamining) {
14608 SendToICS(ics_prefix);
14609 SendToICS("tomove white\n");
14614 SetBlackToPlayEvent ()
14616 if (gameMode == EditPosition) {
14617 blackPlaysFirst = TRUE;
14618 currentMove = 1; /* kludge */
14619 DisplayBothClocks();
14621 } else if (gameMode == IcsExamining) {
14622 SendToICS(ics_prefix);
14623 SendToICS("tomove black\n");
14628 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14631 ChessSquare piece = boards[0][y][x];
14632 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
14633 static int lastVariant;
14635 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14637 switch (selection) {
14639 CopyBoard(currentBoard, boards[0]);
14640 CopyBoard(menuBoard, initialPosition);
14641 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14642 SendToICS(ics_prefix);
14643 SendToICS("bsetup clear\n");
14644 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14645 SendToICS(ics_prefix);
14646 SendToICS("clearboard\n");
14649 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14650 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14651 for (y = 0; y < BOARD_HEIGHT; y++) {
14652 if (gameMode == IcsExamining) {
14653 if (boards[currentMove][y][x] != EmptySquare) {
14654 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14659 if(boards[0][y][x] != p) nonEmpty++;
14660 boards[0][y][x] = p;
14663 menuBoard[1][x] = menuBoard[BOARD_HEIGHT-2][x] = p;
14665 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
14666 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
14667 ChessSquare p = menuBoard[0][x];
14668 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[0][y] == p) menuBoard[0][y] = EmptySquare;
14669 p = menuBoard[BOARD_HEIGHT-1][x];
14670 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[BOARD_HEIGHT-1][y] == p) menuBoard[BOARD_HEIGHT-1][y] = EmptySquare;
14672 DisplayMessage("Clicking clock again restores position", "");
14673 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
14674 if(!nonEmpty) { // asked to clear an empty board
14675 CopyBoard(boards[0], menuBoard);
14677 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
14678 CopyBoard(boards[0], initialPosition);
14680 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
14681 && !CompareBoards(nullBoard, erasedBoard)) {
14682 CopyBoard(boards[0], erasedBoard);
14684 CopyBoard(erasedBoard, currentBoard);
14688 if (gameMode == EditPosition) {
14689 DrawPosition(FALSE, boards[0]);
14694 SetWhiteToPlayEvent();
14698 SetBlackToPlayEvent();
14702 if (gameMode == IcsExamining) {
14703 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14704 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14707 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14708 if(x == BOARD_LEFT-2) {
14709 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14710 boards[0][y][1] = 0;
14712 if(x == BOARD_RGHT+1) {
14713 if(y >= gameInfo.holdingsSize) break;
14714 boards[0][y][BOARD_WIDTH-2] = 0;
14717 boards[0][y][x] = EmptySquare;
14718 DrawPosition(FALSE, boards[0]);
14723 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14724 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14725 selection = (ChessSquare) (PROMOTED piece);
14726 } else if(piece == EmptySquare) selection = WhiteSilver;
14727 else selection = (ChessSquare)((int)piece - 1);
14731 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14732 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14733 selection = (ChessSquare) (DEMOTED piece);
14734 } else if(piece == EmptySquare) selection = BlackSilver;
14735 else selection = (ChessSquare)((int)piece + 1);
14740 if(gameInfo.variant == VariantShatranj ||
14741 gameInfo.variant == VariantXiangqi ||
14742 gameInfo.variant == VariantCourier ||
14743 gameInfo.variant == VariantASEAN ||
14744 gameInfo.variant == VariantMakruk )
14745 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14750 if(gameInfo.variant == VariantXiangqi)
14751 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14752 if(gameInfo.variant == VariantKnightmate)
14753 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14756 if (gameMode == IcsExamining) {
14757 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14758 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14759 PieceToChar(selection), AAA + x, ONE + y);
14762 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14764 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14765 n = PieceToNumber(selection - BlackPawn);
14766 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14767 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14768 boards[0][BOARD_HEIGHT-1-n][1]++;
14770 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14771 n = PieceToNumber(selection);
14772 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14773 boards[0][n][BOARD_WIDTH-1] = selection;
14774 boards[0][n][BOARD_WIDTH-2]++;
14777 boards[0][y][x] = selection;
14778 DrawPosition(TRUE, boards[0]);
14780 fromX = fromY = -1;
14788 DropMenuEvent (ChessSquare selection, int x, int y)
14790 ChessMove moveType;
14792 switch (gameMode) {
14793 case IcsPlayingWhite:
14794 case MachinePlaysBlack:
14795 if (!WhiteOnMove(currentMove)) {
14796 DisplayMoveError(_("It is Black's turn"));
14799 moveType = WhiteDrop;
14801 case IcsPlayingBlack:
14802 case MachinePlaysWhite:
14803 if (WhiteOnMove(currentMove)) {
14804 DisplayMoveError(_("It is White's turn"));
14807 moveType = BlackDrop;
14810 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14816 if (moveType == BlackDrop && selection < BlackPawn) {
14817 selection = (ChessSquare) ((int) selection
14818 + (int) BlackPawn - (int) WhitePawn);
14820 if (boards[currentMove][y][x] != EmptySquare) {
14821 DisplayMoveError(_("That square is occupied"));
14825 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14831 /* Accept a pending offer of any kind from opponent */
14833 if (appData.icsActive) {
14834 SendToICS(ics_prefix);
14835 SendToICS("accept\n");
14836 } else if (cmailMsgLoaded) {
14837 if (currentMove == cmailOldMove &&
14838 commentList[cmailOldMove] != NULL &&
14839 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14840 "Black offers a draw" : "White offers a draw")) {
14842 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14843 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14845 DisplayError(_("There is no pending offer on this move"), 0);
14846 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14849 /* Not used for offers from chess program */
14856 /* Decline a pending offer of any kind from opponent */
14858 if (appData.icsActive) {
14859 SendToICS(ics_prefix);
14860 SendToICS("decline\n");
14861 } else if (cmailMsgLoaded) {
14862 if (currentMove == cmailOldMove &&
14863 commentList[cmailOldMove] != NULL &&
14864 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14865 "Black offers a draw" : "White offers a draw")) {
14867 AppendComment(cmailOldMove, "Draw declined", TRUE);
14868 DisplayComment(cmailOldMove - 1, "Draw declined");
14871 DisplayError(_("There is no pending offer on this move"), 0);
14874 /* Not used for offers from chess program */
14881 /* Issue ICS rematch command */
14882 if (appData.icsActive) {
14883 SendToICS(ics_prefix);
14884 SendToICS("rematch\n");
14891 /* Call your opponent's flag (claim a win on time) */
14892 if (appData.icsActive) {
14893 SendToICS(ics_prefix);
14894 SendToICS("flag\n");
14896 switch (gameMode) {
14899 case MachinePlaysWhite:
14902 GameEnds(GameIsDrawn, "Both players ran out of time",
14905 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14907 DisplayError(_("Your opponent is not out of time"), 0);
14910 case MachinePlaysBlack:
14913 GameEnds(GameIsDrawn, "Both players ran out of time",
14916 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14918 DisplayError(_("Your opponent is not out of time"), 0);
14926 ClockClick (int which)
14927 { // [HGM] code moved to back-end from winboard.c
14928 if(which) { // black clock
14929 if (gameMode == EditPosition || gameMode == IcsExamining) {
14930 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14931 SetBlackToPlayEvent();
14932 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14933 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14934 } else if (shiftKey) {
14935 AdjustClock(which, -1);
14936 } else if (gameMode == IcsPlayingWhite ||
14937 gameMode == MachinePlaysBlack) {
14940 } else { // white clock
14941 if (gameMode == EditPosition || gameMode == IcsExamining) {
14942 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14943 SetWhiteToPlayEvent();
14944 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14945 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14946 } else if (shiftKey) {
14947 AdjustClock(which, -1);
14948 } else if (gameMode == IcsPlayingBlack ||
14949 gameMode == MachinePlaysWhite) {
14958 /* Offer draw or accept pending draw offer from opponent */
14960 if (appData.icsActive) {
14961 /* Note: tournament rules require draw offers to be
14962 made after you make your move but before you punch
14963 your clock. Currently ICS doesn't let you do that;
14964 instead, you immediately punch your clock after making
14965 a move, but you can offer a draw at any time. */
14967 SendToICS(ics_prefix);
14968 SendToICS("draw\n");
14969 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14970 } else if (cmailMsgLoaded) {
14971 if (currentMove == cmailOldMove &&
14972 commentList[cmailOldMove] != NULL &&
14973 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14974 "Black offers a draw" : "White offers a draw")) {
14975 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14976 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14977 } else if (currentMove == cmailOldMove + 1) {
14978 char *offer = WhiteOnMove(cmailOldMove) ?
14979 "White offers a draw" : "Black offers a draw";
14980 AppendComment(currentMove, offer, TRUE);
14981 DisplayComment(currentMove - 1, offer);
14982 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14984 DisplayError(_("You must make your move before offering a draw"), 0);
14985 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14987 } else if (first.offeredDraw) {
14988 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14990 if (first.sendDrawOffers) {
14991 SendToProgram("draw\n", &first);
14992 userOfferedDraw = TRUE;
15000 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15002 if (appData.icsActive) {
15003 SendToICS(ics_prefix);
15004 SendToICS("adjourn\n");
15006 /* Currently GNU Chess doesn't offer or accept Adjourns */
15014 /* Offer Abort or accept pending Abort offer from opponent */
15016 if (appData.icsActive) {
15017 SendToICS(ics_prefix);
15018 SendToICS("abort\n");
15020 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15027 /* Resign. You can do this even if it's not your turn. */
15029 if (appData.icsActive) {
15030 SendToICS(ics_prefix);
15031 SendToICS("resign\n");
15033 switch (gameMode) {
15034 case MachinePlaysWhite:
15035 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15037 case MachinePlaysBlack:
15038 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15041 if (cmailMsgLoaded) {
15043 if (WhiteOnMove(cmailOldMove)) {
15044 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15046 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15048 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15059 StopObservingEvent ()
15061 /* Stop observing current games */
15062 SendToICS(ics_prefix);
15063 SendToICS("unobserve\n");
15067 StopExaminingEvent ()
15069 /* Stop observing current game */
15070 SendToICS(ics_prefix);
15071 SendToICS("unexamine\n");
15075 ForwardInner (int target)
15077 int limit; int oldSeekGraphUp = seekGraphUp;
15079 if (appData.debugMode)
15080 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15081 target, currentMove, forwardMostMove);
15083 if (gameMode == EditPosition)
15086 seekGraphUp = FALSE;
15087 MarkTargetSquares(1);
15089 if (gameMode == PlayFromGameFile && !pausing)
15092 if (gameMode == IcsExamining && pausing)
15093 limit = pauseExamForwardMostMove;
15095 limit = forwardMostMove;
15097 if (target > limit) target = limit;
15099 if (target > 0 && moveList[target - 1][0]) {
15100 int fromX, fromY, toX, toY;
15101 toX = moveList[target - 1][2] - AAA;
15102 toY = moveList[target - 1][3] - ONE;
15103 if (moveList[target - 1][1] == '@') {
15104 if (appData.highlightLastMove) {
15105 SetHighlights(-1, -1, toX, toY);
15108 fromX = moveList[target - 1][0] - AAA;
15109 fromY = moveList[target - 1][1] - ONE;
15110 if (target == currentMove + 1) {
15111 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15113 if (appData.highlightLastMove) {
15114 SetHighlights(fromX, fromY, toX, toY);
15118 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15119 gameMode == Training || gameMode == PlayFromGameFile ||
15120 gameMode == AnalyzeFile) {
15121 while (currentMove < target) {
15122 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15123 SendMoveToProgram(currentMove++, &first);
15126 currentMove = target;
15129 if (gameMode == EditGame || gameMode == EndOfGame) {
15130 whiteTimeRemaining = timeRemaining[0][currentMove];
15131 blackTimeRemaining = timeRemaining[1][currentMove];
15133 DisplayBothClocks();
15134 DisplayMove(currentMove - 1);
15135 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15136 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15137 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15138 DisplayComment(currentMove - 1, commentList[currentMove]);
15140 ClearMap(); // [HGM] exclude: invalidate map
15147 if (gameMode == IcsExamining && !pausing) {
15148 SendToICS(ics_prefix);
15149 SendToICS("forward\n");
15151 ForwardInner(currentMove + 1);
15158 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15159 /* to optimze, we temporarily turn off analysis mode while we feed
15160 * the remaining moves to the engine. Otherwise we get analysis output
15163 if (first.analysisSupport) {
15164 SendToProgram("exit\nforce\n", &first);
15165 first.analyzing = FALSE;
15169 if (gameMode == IcsExamining && !pausing) {
15170 SendToICS(ics_prefix);
15171 SendToICS("forward 999999\n");
15173 ForwardInner(forwardMostMove);
15176 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15177 /* we have fed all the moves, so reactivate analysis mode */
15178 SendToProgram("analyze\n", &first);
15179 first.analyzing = TRUE;
15180 /*first.maybeThinking = TRUE;*/
15181 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15186 BackwardInner (int target)
15188 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15190 if (appData.debugMode)
15191 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15192 target, currentMove, forwardMostMove);
15194 if (gameMode == EditPosition) return;
15195 seekGraphUp = FALSE;
15196 MarkTargetSquares(1);
15197 if (currentMove <= backwardMostMove) {
15199 DrawPosition(full_redraw, boards[currentMove]);
15202 if (gameMode == PlayFromGameFile && !pausing)
15205 if (moveList[target][0]) {
15206 int fromX, fromY, toX, toY;
15207 toX = moveList[target][2] - AAA;
15208 toY = moveList[target][3] - ONE;
15209 if (moveList[target][1] == '@') {
15210 if (appData.highlightLastMove) {
15211 SetHighlights(-1, -1, toX, toY);
15214 fromX = moveList[target][0] - AAA;
15215 fromY = moveList[target][1] - ONE;
15216 if (target == currentMove - 1) {
15217 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15219 if (appData.highlightLastMove) {
15220 SetHighlights(fromX, fromY, toX, toY);
15224 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15225 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15226 while (currentMove > target) {
15227 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15228 // null move cannot be undone. Reload program with move history before it.
15230 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15231 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15233 SendBoard(&first, i);
15234 if(second.analyzing) SendBoard(&second, i);
15235 for(currentMove=i; currentMove<target; currentMove++) {
15236 SendMoveToProgram(currentMove, &first);
15237 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15241 SendToBoth("undo\n");
15245 currentMove = target;
15248 if (gameMode == EditGame || gameMode == EndOfGame) {
15249 whiteTimeRemaining = timeRemaining[0][currentMove];
15250 blackTimeRemaining = timeRemaining[1][currentMove];
15252 DisplayBothClocks();
15253 DisplayMove(currentMove - 1);
15254 DrawPosition(full_redraw, boards[currentMove]);
15255 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15256 // [HGM] PV info: routine tests if comment empty
15257 DisplayComment(currentMove - 1, commentList[currentMove]);
15258 ClearMap(); // [HGM] exclude: invalidate map
15264 if (gameMode == IcsExamining && !pausing) {
15265 SendToICS(ics_prefix);
15266 SendToICS("backward\n");
15268 BackwardInner(currentMove - 1);
15275 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15276 /* to optimize, we temporarily turn off analysis mode while we undo
15277 * all the moves. Otherwise we get analysis output after each undo.
15279 if (first.analysisSupport) {
15280 SendToProgram("exit\nforce\n", &first);
15281 first.analyzing = FALSE;
15285 if (gameMode == IcsExamining && !pausing) {
15286 SendToICS(ics_prefix);
15287 SendToICS("backward 999999\n");
15289 BackwardInner(backwardMostMove);
15292 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15293 /* we have fed all the moves, so reactivate analysis mode */
15294 SendToProgram("analyze\n", &first);
15295 first.analyzing = TRUE;
15296 /*first.maybeThinking = TRUE;*/
15297 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15304 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15305 if (to >= forwardMostMove) to = forwardMostMove;
15306 if (to <= backwardMostMove) to = backwardMostMove;
15307 if (to < currentMove) {
15315 RevertEvent (Boolean annotate)
15317 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15320 if (gameMode != IcsExamining) {
15321 DisplayError(_("You are not examining a game"), 0);
15325 DisplayError(_("You can't revert while pausing"), 0);
15328 SendToICS(ics_prefix);
15329 SendToICS("revert\n");
15333 RetractMoveEvent ()
15335 switch (gameMode) {
15336 case MachinePlaysWhite:
15337 case MachinePlaysBlack:
15338 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15339 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15342 if (forwardMostMove < 2) return;
15343 currentMove = forwardMostMove = forwardMostMove - 2;
15344 whiteTimeRemaining = timeRemaining[0][currentMove];
15345 blackTimeRemaining = timeRemaining[1][currentMove];
15346 DisplayBothClocks();
15347 DisplayMove(currentMove - 1);
15348 ClearHighlights();/*!! could figure this out*/
15349 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15350 SendToProgram("remove\n", &first);
15351 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15354 case BeginningOfGame:
15358 case IcsPlayingWhite:
15359 case IcsPlayingBlack:
15360 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15361 SendToICS(ics_prefix);
15362 SendToICS("takeback 2\n");
15364 SendToICS(ics_prefix);
15365 SendToICS("takeback 1\n");
15374 ChessProgramState *cps;
15376 switch (gameMode) {
15377 case MachinePlaysWhite:
15378 if (!WhiteOnMove(forwardMostMove)) {
15379 DisplayError(_("It is your turn"), 0);
15384 case MachinePlaysBlack:
15385 if (WhiteOnMove(forwardMostMove)) {
15386 DisplayError(_("It is your turn"), 0);
15391 case TwoMachinesPlay:
15392 if (WhiteOnMove(forwardMostMove) ==
15393 (first.twoMachinesColor[0] == 'w')) {
15399 case BeginningOfGame:
15403 SendToProgram("?\n", cps);
15407 TruncateGameEvent ()
15410 if (gameMode != EditGame) return;
15417 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15418 if (forwardMostMove > currentMove) {
15419 if (gameInfo.resultDetails != NULL) {
15420 free(gameInfo.resultDetails);
15421 gameInfo.resultDetails = NULL;
15422 gameInfo.result = GameUnfinished;
15424 forwardMostMove = currentMove;
15425 HistorySet(parseList, backwardMostMove, forwardMostMove,
15433 if (appData.noChessProgram) return;
15434 switch (gameMode) {
15435 case MachinePlaysWhite:
15436 if (WhiteOnMove(forwardMostMove)) {
15437 DisplayError(_("Wait until your turn."), 0);
15441 case BeginningOfGame:
15442 case MachinePlaysBlack:
15443 if (!WhiteOnMove(forwardMostMove)) {
15444 DisplayError(_("Wait until your turn."), 0);
15449 DisplayError(_("No hint available"), 0);
15452 SendToProgram("hint\n", &first);
15453 hintRequested = TRUE;
15459 ListGame * lg = (ListGame *) gameList.head;
15462 static int secondTime = FALSE;
15464 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15465 DisplayError(_("Game list not loaded or empty"), 0);
15469 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
15472 DisplayNote(_("Book file exists! Try again for overwrite."));
15476 creatingBook = TRUE;
15477 secondTime = FALSE;
15479 /* Get list size */
15480 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15481 LoadGame(f, nItem, "", TRUE);
15482 AddGameToBook(TRUE);
15483 lg = (ListGame *) lg->node.succ;
15486 creatingBook = FALSE;
15493 if (appData.noChessProgram) return;
15494 switch (gameMode) {
15495 case MachinePlaysWhite:
15496 if (WhiteOnMove(forwardMostMove)) {
15497 DisplayError(_("Wait until your turn."), 0);
15501 case BeginningOfGame:
15502 case MachinePlaysBlack:
15503 if (!WhiteOnMove(forwardMostMove)) {
15504 DisplayError(_("Wait until your turn."), 0);
15509 EditPositionDone(TRUE);
15511 case TwoMachinesPlay:
15516 SendToProgram("bk\n", &first);
15517 bookOutput[0] = NULLCHAR;
15518 bookRequested = TRUE;
15524 char *tags = PGNTags(&gameInfo);
15525 TagsPopUp(tags, CmailMsg());
15529 /* end button procedures */
15532 PrintPosition (FILE *fp, int move)
15536 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15537 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15538 char c = PieceToChar(boards[move][i][j]);
15539 fputc(c == 'x' ? '.' : c, fp);
15540 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15543 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15544 fprintf(fp, "white to play\n");
15546 fprintf(fp, "black to play\n");
15550 PrintOpponents (FILE *fp)
15552 if (gameInfo.white != NULL) {
15553 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15559 /* Find last component of program's own name, using some heuristics */
15561 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15564 int local = (strcmp(host, "localhost") == 0);
15565 while (!local && (p = strchr(prog, ';')) != NULL) {
15567 while (*p == ' ') p++;
15570 if (*prog == '"' || *prog == '\'') {
15571 q = strchr(prog + 1, *prog);
15573 q = strchr(prog, ' ');
15575 if (q == NULL) q = prog + strlen(prog);
15577 while (p >= prog && *p != '/' && *p != '\\') p--;
15579 if(p == prog && *p == '"') p++;
15581 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15582 memcpy(buf, p, q - p);
15583 buf[q - p] = NULLCHAR;
15591 TimeControlTagValue ()
15594 if (!appData.clockMode) {
15595 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15596 } else if (movesPerSession > 0) {
15597 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15598 } else if (timeIncrement == 0) {
15599 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15601 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15603 return StrSave(buf);
15609 /* This routine is used only for certain modes */
15610 VariantClass v = gameInfo.variant;
15611 ChessMove r = GameUnfinished;
15614 if(keepInfo) return;
15616 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15617 r = gameInfo.result;
15618 p = gameInfo.resultDetails;
15619 gameInfo.resultDetails = NULL;
15621 ClearGameInfo(&gameInfo);
15622 gameInfo.variant = v;
15624 switch (gameMode) {
15625 case MachinePlaysWhite:
15626 gameInfo.event = StrSave( appData.pgnEventHeader );
15627 gameInfo.site = StrSave(HostName());
15628 gameInfo.date = PGNDate();
15629 gameInfo.round = StrSave("-");
15630 gameInfo.white = StrSave(first.tidy);
15631 gameInfo.black = StrSave(UserName());
15632 gameInfo.timeControl = TimeControlTagValue();
15635 case MachinePlaysBlack:
15636 gameInfo.event = StrSave( appData.pgnEventHeader );
15637 gameInfo.site = StrSave(HostName());
15638 gameInfo.date = PGNDate();
15639 gameInfo.round = StrSave("-");
15640 gameInfo.white = StrSave(UserName());
15641 gameInfo.black = StrSave(first.tidy);
15642 gameInfo.timeControl = TimeControlTagValue();
15645 case TwoMachinesPlay:
15646 gameInfo.event = StrSave( appData.pgnEventHeader );
15647 gameInfo.site = StrSave(HostName());
15648 gameInfo.date = PGNDate();
15651 snprintf(buf, MSG_SIZ, "%d", roundNr);
15652 gameInfo.round = StrSave(buf);
15654 gameInfo.round = StrSave("-");
15656 if (first.twoMachinesColor[0] == 'w') {
15657 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15658 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15660 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15661 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15663 gameInfo.timeControl = TimeControlTagValue();
15667 gameInfo.event = StrSave("Edited game");
15668 gameInfo.site = StrSave(HostName());
15669 gameInfo.date = PGNDate();
15670 gameInfo.round = StrSave("-");
15671 gameInfo.white = StrSave("-");
15672 gameInfo.black = StrSave("-");
15673 gameInfo.result = r;
15674 gameInfo.resultDetails = p;
15678 gameInfo.event = StrSave("Edited position");
15679 gameInfo.site = StrSave(HostName());
15680 gameInfo.date = PGNDate();
15681 gameInfo.round = StrSave("-");
15682 gameInfo.white = StrSave("-");
15683 gameInfo.black = StrSave("-");
15686 case IcsPlayingWhite:
15687 case IcsPlayingBlack:
15692 case PlayFromGameFile:
15693 gameInfo.event = StrSave("Game from non-PGN file");
15694 gameInfo.site = StrSave(HostName());
15695 gameInfo.date = PGNDate();
15696 gameInfo.round = StrSave("-");
15697 gameInfo.white = StrSave("?");
15698 gameInfo.black = StrSave("?");
15707 ReplaceComment (int index, char *text)
15713 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15714 pvInfoList[index-1].depth == len &&
15715 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15716 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15717 while (*text == '\n') text++;
15718 len = strlen(text);
15719 while (len > 0 && text[len - 1] == '\n') len--;
15721 if (commentList[index] != NULL)
15722 free(commentList[index]);
15725 commentList[index] = NULL;
15728 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15729 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15730 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15731 commentList[index] = (char *) malloc(len + 2);
15732 strncpy(commentList[index], text, len);
15733 commentList[index][len] = '\n';
15734 commentList[index][len + 1] = NULLCHAR;
15736 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15738 commentList[index] = (char *) malloc(len + 7);
15739 safeStrCpy(commentList[index], "{\n", 3);
15740 safeStrCpy(commentList[index]+2, text, len+1);
15741 commentList[index][len+2] = NULLCHAR;
15742 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15743 strcat(commentList[index], "\n}\n");
15748 CrushCRs (char *text)
15756 if (ch == '\r') continue;
15758 } while (ch != '\0');
15762 AppendComment (int index, char *text, Boolean addBraces)
15763 /* addBraces tells if we should add {} */
15768 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
15769 if(addBraces == 3) addBraces = 0; else // force appending literally
15770 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15773 while (*text == '\n') text++;
15774 len = strlen(text);
15775 while (len > 0 && text[len - 1] == '\n') len--;
15776 text[len] = NULLCHAR;
15778 if (len == 0) return;
15780 if (commentList[index] != NULL) {
15781 Boolean addClosingBrace = addBraces;
15782 old = commentList[index];
15783 oldlen = strlen(old);
15784 while(commentList[index][oldlen-1] == '\n')
15785 commentList[index][--oldlen] = NULLCHAR;
15786 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15787 safeStrCpy(commentList[index], old, oldlen + len + 6);
15789 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15790 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15791 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15792 while (*text == '\n') { text++; len--; }
15793 commentList[index][--oldlen] = NULLCHAR;
15795 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15796 else strcat(commentList[index], "\n");
15797 strcat(commentList[index], text);
15798 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15799 else strcat(commentList[index], "\n");
15801 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15803 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15804 else commentList[index][0] = NULLCHAR;
15805 strcat(commentList[index], text);
15806 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15807 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15812 FindStr (char * text, char * sub_text)
15814 char * result = strstr( text, sub_text );
15816 if( result != NULL ) {
15817 result += strlen( sub_text );
15823 /* [AS] Try to extract PV info from PGN comment */
15824 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15826 GetInfoFromComment (int index, char * text)
15828 char * sep = text, *p;
15830 if( text != NULL && index > 0 ) {
15833 int time = -1, sec = 0, deci;
15834 char * s_eval = FindStr( text, "[%eval " );
15835 char * s_emt = FindStr( text, "[%emt " );
15837 if( s_eval != NULL || s_emt != NULL ) {
15839 if(0) { // [HGM] this code is not finished, and could actually be detrimental
15844 if( s_eval != NULL ) {
15845 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15849 if( delim != ']' ) {
15854 if( s_emt != NULL ) {
15859 /* We expect something like: [+|-]nnn.nn/dd */
15862 if(*text != '{') return text; // [HGM] braces: must be normal comment
15864 sep = strchr( text, '/' );
15865 if( sep == NULL || sep < (text+4) ) {
15870 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
15871 if(p[1] == '(') { // comment starts with PV
15872 p = strchr(p, ')'); // locate end of PV
15873 if(p == NULL || sep < p+5) return text;
15874 // at this point we have something like "{(.*) +0.23/6 ..."
15875 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15876 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15877 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15879 time = -1; sec = -1; deci = -1;
15880 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15881 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15882 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15883 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15887 if( score_lo < 0 || score_lo >= 100 ) {
15891 if(sec >= 0) time = 600*time + 10*sec; else
15892 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15894 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
15896 /* [HGM] PV time: now locate end of PV info */
15897 while( *++sep >= '0' && *sep <= '9'); // strip depth
15899 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15901 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15903 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15904 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15915 pvInfoList[index-1].depth = depth;
15916 pvInfoList[index-1].score = score;
15917 pvInfoList[index-1].time = 10*time; // centi-sec
15918 if(*sep == '}') *sep = 0; else *--sep = '{';
15919 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15925 SendToProgram (char *message, ChessProgramState *cps)
15927 int count, outCount, error;
15930 if (cps->pr == NoProc) return;
15933 if (appData.debugMode) {
15936 fprintf(debugFP, "%ld >%-6s: %s",
15937 SubtractTimeMarks(&now, &programStartTime),
15938 cps->which, message);
15940 fprintf(serverFP, "%ld >%-6s: %s",
15941 SubtractTimeMarks(&now, &programStartTime),
15942 cps->which, message), fflush(serverFP);
15945 count = strlen(message);
15946 outCount = OutputToProcess(cps->pr, message, count, &error);
15947 if (outCount < count && !exiting
15948 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15949 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15950 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15951 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15952 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15953 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15954 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15955 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15957 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15958 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15959 gameInfo.result = res;
15961 gameInfo.resultDetails = StrSave(buf);
15963 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15964 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15969 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15973 ChessProgramState *cps = (ChessProgramState *)closure;
15975 if (isr != cps->isr) return; /* Killed intentionally */
15978 RemoveInputSource(cps->isr);
15979 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15980 _(cps->which), cps->program);
15981 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15982 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15983 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15984 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15985 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15986 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15988 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15989 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15990 gameInfo.result = res;
15992 gameInfo.resultDetails = StrSave(buf);
15994 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15995 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15997 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15998 _(cps->which), cps->program);
15999 RemoveInputSource(cps->isr);
16001 /* [AS] Program is misbehaving badly... kill it */
16002 if( count == -2 ) {
16003 DestroyChildProcess( cps->pr, 9 );
16007 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16012 if ((end_str = strchr(message, '\r')) != NULL)
16013 *end_str = NULLCHAR;
16014 if ((end_str = strchr(message, '\n')) != NULL)
16015 *end_str = NULLCHAR;
16017 if (appData.debugMode) {
16018 TimeMark now; int print = 1;
16019 char *quote = ""; char c; int i;
16021 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16022 char start = message[0];
16023 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16024 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16025 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16026 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16027 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16028 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16029 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16030 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16031 sscanf(message, "hint: %c", &c)!=1 &&
16032 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16033 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16034 print = (appData.engineComments >= 2);
16036 message[0] = start; // restore original message
16040 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16041 SubtractTimeMarks(&now, &programStartTime), cps->which,
16045 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16046 SubtractTimeMarks(&now, &programStartTime), cps->which,
16048 message), fflush(serverFP);
16052 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16053 if (appData.icsEngineAnalyze) {
16054 if (strstr(message, "whisper") != NULL ||
16055 strstr(message, "kibitz") != NULL ||
16056 strstr(message, "tellics") != NULL) return;
16059 HandleMachineMove(message, cps);
16064 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16069 if( timeControl_2 > 0 ) {
16070 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16071 tc = timeControl_2;
16074 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16075 inc /= cps->timeOdds;
16076 st /= cps->timeOdds;
16078 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16081 /* Set exact time per move, normally using st command */
16082 if (cps->stKludge) {
16083 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16085 if (seconds == 0) {
16086 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16088 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16091 snprintf(buf, MSG_SIZ, "st %d\n", st);
16094 /* Set conventional or incremental time control, using level command */
16095 if (seconds == 0) {
16096 /* Note old gnuchess bug -- minutes:seconds used to not work.
16097 Fixed in later versions, but still avoid :seconds
16098 when seconds is 0. */
16099 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16101 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16102 seconds, inc/1000.);
16105 SendToProgram(buf, cps);
16107 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16108 /* Orthogonally, limit search to given depth */
16110 if (cps->sdKludge) {
16111 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16113 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16115 SendToProgram(buf, cps);
16118 if(cps->nps >= 0) { /* [HGM] nps */
16119 if(cps->supportsNPS == FALSE)
16120 cps->nps = -1; // don't use if engine explicitly says not supported!
16122 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16123 SendToProgram(buf, cps);
16128 ChessProgramState *
16130 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16132 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16133 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16139 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16141 char message[MSG_SIZ];
16144 /* Note: this routine must be called when the clocks are stopped
16145 or when they have *just* been set or switched; otherwise
16146 it will be off by the time since the current tick started.
16148 if (machineWhite) {
16149 time = whiteTimeRemaining / 10;
16150 otime = blackTimeRemaining / 10;
16152 time = blackTimeRemaining / 10;
16153 otime = whiteTimeRemaining / 10;
16155 /* [HGM] translate opponent's time by time-odds factor */
16156 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16158 if (time <= 0) time = 1;
16159 if (otime <= 0) otime = 1;
16161 snprintf(message, MSG_SIZ, "time %ld\n", time);
16162 SendToProgram(message, cps);
16164 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16165 SendToProgram(message, cps);
16169 EngineDefinedVariant (ChessProgramState *cps, int n)
16170 { // return name of n-th unknown variant that engine supports
16171 static char buf[MSG_SIZ];
16172 char *p, *s = cps->variants;
16173 if(!s) return NULL;
16174 do { // parse string from variants feature
16176 p = strchr(s, ',');
16177 if(p) *p = NULLCHAR;
16178 v = StringToVariant(s);
16179 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16180 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16181 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16184 if(n < 0) return buf;
16190 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16193 int len = strlen(name);
16196 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16198 sscanf(*p, "%d", &val);
16200 while (**p && **p != ' ')
16202 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16203 SendToProgram(buf, cps);
16210 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16213 int len = strlen(name);
16214 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16216 sscanf(*p, "%d", loc);
16217 while (**p && **p != ' ') (*p)++;
16218 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16219 SendToProgram(buf, cps);
16226 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16229 int len = strlen(name);
16230 if (strncmp((*p), name, len) == 0
16231 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16233 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16234 sscanf(*p, "%[^\"]", *loc);
16235 while (**p && **p != '\"') (*p)++;
16236 if (**p == '\"') (*p)++;
16237 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16238 SendToProgram(buf, cps);
16245 ParseOption (Option *opt, ChessProgramState *cps)
16246 // [HGM] options: process the string that defines an engine option, and determine
16247 // name, type, default value, and allowed value range
16249 char *p, *q, buf[MSG_SIZ];
16250 int n, min = (-1)<<31, max = 1<<31, def;
16252 if(p = strstr(opt->name, " -spin ")) {
16253 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16254 if(max < min) max = min; // enforce consistency
16255 if(def < min) def = min;
16256 if(def > max) def = max;
16261 } else if((p = strstr(opt->name, " -slider "))) {
16262 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16263 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16264 if(max < min) max = min; // enforce consistency
16265 if(def < min) def = min;
16266 if(def > max) def = max;
16270 opt->type = Spin; // Slider;
16271 } else if((p = strstr(opt->name, " -string "))) {
16272 opt->textValue = p+9;
16273 opt->type = TextBox;
16274 } else if((p = strstr(opt->name, " -file "))) {
16275 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16276 opt->textValue = p+7;
16277 opt->type = FileName; // FileName;
16278 } else if((p = strstr(opt->name, " -path "))) {
16279 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16280 opt->textValue = p+7;
16281 opt->type = PathName; // PathName;
16282 } else if(p = strstr(opt->name, " -check ")) {
16283 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16284 opt->value = (def != 0);
16285 opt->type = CheckBox;
16286 } else if(p = strstr(opt->name, " -combo ")) {
16287 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16288 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16289 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16290 opt->value = n = 0;
16291 while(q = StrStr(q, " /// ")) {
16292 n++; *q = 0; // count choices, and null-terminate each of them
16294 if(*q == '*') { // remember default, which is marked with * prefix
16298 cps->comboList[cps->comboCnt++] = q;
16300 cps->comboList[cps->comboCnt++] = NULL;
16302 opt->type = ComboBox;
16303 } else if(p = strstr(opt->name, " -button")) {
16304 opt->type = Button;
16305 } else if(p = strstr(opt->name, " -save")) {
16306 opt->type = SaveButton;
16307 } else return FALSE;
16308 *p = 0; // terminate option name
16309 // now look if the command-line options define a setting for this engine option.
16310 if(cps->optionSettings && cps->optionSettings[0])
16311 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16312 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16313 snprintf(buf, MSG_SIZ, "option %s", p);
16314 if(p = strstr(buf, ",")) *p = 0;
16315 if(q = strchr(buf, '=')) switch(opt->type) {
16317 for(n=0; n<opt->max; n++)
16318 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16321 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16325 opt->value = atoi(q+1);
16330 SendToProgram(buf, cps);
16336 FeatureDone (ChessProgramState *cps, int val)
16338 DelayedEventCallback cb = GetDelayedEvent();
16339 if ((cb == InitBackEnd3 && cps == &first) ||
16340 (cb == SettingsMenuIfReady && cps == &second) ||
16341 (cb == LoadEngine) ||
16342 (cb == TwoMachinesEventIfReady)) {
16343 CancelDelayedEvent();
16344 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16346 cps->initDone = val;
16347 if(val) cps->reload = FALSE;
16350 /* Parse feature command from engine */
16352 ParseFeatures (char *args, ChessProgramState *cps)
16360 while (*p == ' ') p++;
16361 if (*p == NULLCHAR) return;
16363 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16364 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16365 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16366 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16367 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16368 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16369 if (BoolFeature(&p, "reuse", &val, cps)) {
16370 /* Engine can disable reuse, but can't enable it if user said no */
16371 if (!val) cps->reuse = FALSE;
16374 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16375 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
16376 if (gameMode == TwoMachinesPlay) {
16377 DisplayTwoMachinesTitle();
16383 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
16384 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16385 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16386 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16387 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16388 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16389 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16390 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16391 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16392 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16393 if (IntFeature(&p, "done", &val, cps)) {
16394 FeatureDone(cps, val);
16397 /* Added by Tord: */
16398 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16399 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16400 /* End of additions by Tord */
16402 /* [HGM] added features: */
16403 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
16404 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16405 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16406 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16407 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16408 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16409 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
16410 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
16411 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
16412 FREE(cps->option[cps->nrOptions].name);
16413 cps->option[cps->nrOptions].name = q; q = NULL;
16414 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16415 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16416 SendToProgram(buf, cps);
16419 if(cps->nrOptions >= MAX_OPTIONS) {
16421 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16422 DisplayError(buf, 0);
16426 /* End of additions by HGM */
16428 /* unknown feature: complain and skip */
16430 while (*q && *q != '=') q++;
16431 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16432 SendToProgram(buf, cps);
16438 while (*p && *p != '\"') p++;
16439 if (*p == '\"') p++;
16441 while (*p && *p != ' ') p++;
16449 PeriodicUpdatesEvent (int newState)
16451 if (newState == appData.periodicUpdates)
16454 appData.periodicUpdates=newState;
16456 /* Display type changes, so update it now */
16457 // DisplayAnalysis();
16459 /* Get the ball rolling again... */
16461 AnalysisPeriodicEvent(1);
16462 StartAnalysisClock();
16467 PonderNextMoveEvent (int newState)
16469 if (newState == appData.ponderNextMove) return;
16470 if (gameMode == EditPosition) EditPositionDone(TRUE);
16472 SendToProgram("hard\n", &first);
16473 if (gameMode == TwoMachinesPlay) {
16474 SendToProgram("hard\n", &second);
16477 SendToProgram("easy\n", &first);
16478 thinkOutput[0] = NULLCHAR;
16479 if (gameMode == TwoMachinesPlay) {
16480 SendToProgram("easy\n", &second);
16483 appData.ponderNextMove = newState;
16487 NewSettingEvent (int option, int *feature, char *command, int value)
16491 if (gameMode == EditPosition) EditPositionDone(TRUE);
16492 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16493 if(feature == NULL || *feature) SendToProgram(buf, &first);
16494 if (gameMode == TwoMachinesPlay) {
16495 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16500 ShowThinkingEvent ()
16501 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16503 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16504 int newState = appData.showThinking
16505 // [HGM] thinking: other features now need thinking output as well
16506 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16508 if (oldState == newState) return;
16509 oldState = newState;
16510 if (gameMode == EditPosition) EditPositionDone(TRUE);
16512 SendToProgram("post\n", &first);
16513 if (gameMode == TwoMachinesPlay) {
16514 SendToProgram("post\n", &second);
16517 SendToProgram("nopost\n", &first);
16518 thinkOutput[0] = NULLCHAR;
16519 if (gameMode == TwoMachinesPlay) {
16520 SendToProgram("nopost\n", &second);
16523 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16527 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16529 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16530 if (pr == NoProc) return;
16531 AskQuestion(title, question, replyPrefix, pr);
16535 TypeInEvent (char firstChar)
16537 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16538 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16539 gameMode == AnalyzeMode || gameMode == EditGame ||
16540 gameMode == EditPosition || gameMode == IcsExamining ||
16541 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16542 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16543 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16544 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16545 gameMode == Training) PopUpMoveDialog(firstChar);
16549 TypeInDoneEvent (char *move)
16552 int n, fromX, fromY, toX, toY;
16554 ChessMove moveType;
16557 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
16558 EditPositionPasteFEN(move);
16561 // [HGM] movenum: allow move number to be typed in any mode
16562 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16566 // undocumented kludge: allow command-line option to be typed in!
16567 // (potentially fatal, and does not implement the effect of the option.)
16568 // should only be used for options that are values on which future decisions will be made,
16569 // and definitely not on options that would be used during initialization.
16570 if(strstr(move, "!!! -") == move) {
16571 ParseArgsFromString(move+4);
16575 if (gameMode != EditGame && currentMove != forwardMostMove &&
16576 gameMode != Training) {
16577 DisplayMoveError(_("Displayed move is not current"));
16579 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16580 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16581 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16582 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16583 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16584 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16586 DisplayMoveError(_("Could not parse move"));
16592 DisplayMove (int moveNumber)
16594 char message[MSG_SIZ];
16596 char cpThinkOutput[MSG_SIZ];
16598 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16600 if (moveNumber == forwardMostMove - 1 ||
16601 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16603 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16605 if (strchr(cpThinkOutput, '\n')) {
16606 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16609 *cpThinkOutput = NULLCHAR;
16612 /* [AS] Hide thinking from human user */
16613 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16614 *cpThinkOutput = NULLCHAR;
16615 if( thinkOutput[0] != NULLCHAR ) {
16618 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16619 cpThinkOutput[i] = '.';
16621 cpThinkOutput[i] = NULLCHAR;
16622 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16626 if (moveNumber == forwardMostMove - 1 &&
16627 gameInfo.resultDetails != NULL) {
16628 if (gameInfo.resultDetails[0] == NULLCHAR) {
16629 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16631 snprintf(res, MSG_SIZ, " {%s} %s",
16632 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16638 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16639 DisplayMessage(res, cpThinkOutput);
16641 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16642 WhiteOnMove(moveNumber) ? " " : ".. ",
16643 parseList[moveNumber], res);
16644 DisplayMessage(message, cpThinkOutput);
16649 DisplayComment (int moveNumber, char *text)
16651 char title[MSG_SIZ];
16653 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16654 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16656 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16657 WhiteOnMove(moveNumber) ? " " : ".. ",
16658 parseList[moveNumber]);
16660 if (text != NULL && (appData.autoDisplayComment || commentUp))
16661 CommentPopUp(title, text);
16664 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16665 * might be busy thinking or pondering. It can be omitted if your
16666 * gnuchess is configured to stop thinking immediately on any user
16667 * input. However, that gnuchess feature depends on the FIONREAD
16668 * ioctl, which does not work properly on some flavors of Unix.
16671 Attention (ChessProgramState *cps)
16674 if (!cps->useSigint) return;
16675 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16676 switch (gameMode) {
16677 case MachinePlaysWhite:
16678 case MachinePlaysBlack:
16679 case TwoMachinesPlay:
16680 case IcsPlayingWhite:
16681 case IcsPlayingBlack:
16684 /* Skip if we know it isn't thinking */
16685 if (!cps->maybeThinking) return;
16686 if (appData.debugMode)
16687 fprintf(debugFP, "Interrupting %s\n", cps->which);
16688 InterruptChildProcess(cps->pr);
16689 cps->maybeThinking = FALSE;
16694 #endif /*ATTENTION*/
16700 if (whiteTimeRemaining <= 0) {
16703 if (appData.icsActive) {
16704 if (appData.autoCallFlag &&
16705 gameMode == IcsPlayingBlack && !blackFlag) {
16706 SendToICS(ics_prefix);
16707 SendToICS("flag\n");
16711 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16713 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16714 if (appData.autoCallFlag) {
16715 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16722 if (blackTimeRemaining <= 0) {
16725 if (appData.icsActive) {
16726 if (appData.autoCallFlag &&
16727 gameMode == IcsPlayingWhite && !whiteFlag) {
16728 SendToICS(ics_prefix);
16729 SendToICS("flag\n");
16733 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16735 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16736 if (appData.autoCallFlag) {
16737 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16748 CheckTimeControl ()
16750 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16751 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16754 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16756 if ( !WhiteOnMove(forwardMostMove) ) {
16757 /* White made time control */
16758 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16759 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16760 /* [HGM] time odds: correct new time quota for time odds! */
16761 / WhitePlayer()->timeOdds;
16762 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16764 lastBlack -= blackTimeRemaining;
16765 /* Black made time control */
16766 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16767 / WhitePlayer()->other->timeOdds;
16768 lastWhite = whiteTimeRemaining;
16773 DisplayBothClocks ()
16775 int wom = gameMode == EditPosition ?
16776 !blackPlaysFirst : WhiteOnMove(currentMove);
16777 DisplayWhiteClock(whiteTimeRemaining, wom);
16778 DisplayBlackClock(blackTimeRemaining, !wom);
16782 /* Timekeeping seems to be a portability nightmare. I think everyone
16783 has ftime(), but I'm really not sure, so I'm including some ifdefs
16784 to use other calls if you don't. Clocks will be less accurate if
16785 you have neither ftime nor gettimeofday.
16788 /* VS 2008 requires the #include outside of the function */
16789 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16790 #include <sys/timeb.h>
16793 /* Get the current time as a TimeMark */
16795 GetTimeMark (TimeMark *tm)
16797 #if HAVE_GETTIMEOFDAY
16799 struct timeval timeVal;
16800 struct timezone timeZone;
16802 gettimeofday(&timeVal, &timeZone);
16803 tm->sec = (long) timeVal.tv_sec;
16804 tm->ms = (int) (timeVal.tv_usec / 1000L);
16806 #else /*!HAVE_GETTIMEOFDAY*/
16809 // include <sys/timeb.h> / moved to just above start of function
16810 struct timeb timeB;
16813 tm->sec = (long) timeB.time;
16814 tm->ms = (int) timeB.millitm;
16816 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16817 tm->sec = (long) time(NULL);
16823 /* Return the difference in milliseconds between two
16824 time marks. We assume the difference will fit in a long!
16827 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16829 return 1000L*(tm2->sec - tm1->sec) +
16830 (long) (tm2->ms - tm1->ms);
16835 * Code to manage the game clocks.
16837 * In tournament play, black starts the clock and then white makes a move.
16838 * We give the human user a slight advantage if he is playing white---the
16839 * clocks don't run until he makes his first move, so it takes zero time.
16840 * Also, we don't account for network lag, so we could get out of sync
16841 * with GNU Chess's clock -- but then, referees are always right.
16844 static TimeMark tickStartTM;
16845 static long intendedTickLength;
16848 NextTickLength (long timeRemaining)
16850 long nominalTickLength, nextTickLength;
16852 if (timeRemaining > 0L && timeRemaining <= 10000L)
16853 nominalTickLength = 100L;
16855 nominalTickLength = 1000L;
16856 nextTickLength = timeRemaining % nominalTickLength;
16857 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16859 return nextTickLength;
16862 /* Adjust clock one minute up or down */
16864 AdjustClock (Boolean which, int dir)
16866 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16867 if(which) blackTimeRemaining += 60000*dir;
16868 else whiteTimeRemaining += 60000*dir;
16869 DisplayBothClocks();
16870 adjustedClock = TRUE;
16873 /* Stop clocks and reset to a fresh time control */
16877 (void) StopClockTimer();
16878 if (appData.icsActive) {
16879 whiteTimeRemaining = blackTimeRemaining = 0;
16880 } else if (searchTime) {
16881 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16882 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16883 } else { /* [HGM] correct new time quote for time odds */
16884 whiteTC = blackTC = fullTimeControlString;
16885 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16886 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16888 if (whiteFlag || blackFlag) {
16890 whiteFlag = blackFlag = FALSE;
16892 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16893 DisplayBothClocks();
16894 adjustedClock = FALSE;
16897 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16899 /* Decrement running clock by amount of time that has passed */
16903 long timeRemaining;
16904 long lastTickLength, fudge;
16907 if (!appData.clockMode) return;
16908 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16912 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16914 /* Fudge if we woke up a little too soon */
16915 fudge = intendedTickLength - lastTickLength;
16916 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16918 if (WhiteOnMove(forwardMostMove)) {
16919 if(whiteNPS >= 0) lastTickLength = 0;
16920 timeRemaining = whiteTimeRemaining -= lastTickLength;
16921 if(timeRemaining < 0 && !appData.icsActive) {
16922 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16923 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16924 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16925 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16928 DisplayWhiteClock(whiteTimeRemaining - fudge,
16929 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16931 if(blackNPS >= 0) lastTickLength = 0;
16932 timeRemaining = blackTimeRemaining -= lastTickLength;
16933 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16934 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16936 blackStartMove = forwardMostMove;
16937 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16940 DisplayBlackClock(blackTimeRemaining - fudge,
16941 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16943 if (CheckFlags()) return;
16945 if(twoBoards) { // count down secondary board's clocks as well
16946 activePartnerTime -= lastTickLength;
16948 if(activePartner == 'W')
16949 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16951 DisplayBlackClock(activePartnerTime, TRUE);
16956 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16957 StartClockTimer(intendedTickLength);
16959 /* if the time remaining has fallen below the alarm threshold, sound the
16960 * alarm. if the alarm has sounded and (due to a takeback or time control
16961 * with increment) the time remaining has increased to a level above the
16962 * threshold, reset the alarm so it can sound again.
16965 if (appData.icsActive && appData.icsAlarm) {
16967 /* make sure we are dealing with the user's clock */
16968 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16969 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16972 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16973 alarmSounded = FALSE;
16974 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16976 alarmSounded = TRUE;
16982 /* A player has just moved, so stop the previously running
16983 clock and (if in clock mode) start the other one.
16984 We redisplay both clocks in case we're in ICS mode, because
16985 ICS gives us an update to both clocks after every move.
16986 Note that this routine is called *after* forwardMostMove
16987 is updated, so the last fractional tick must be subtracted
16988 from the color that is *not* on move now.
16991 SwitchClocks (int newMoveNr)
16993 long lastTickLength;
16995 int flagged = FALSE;
16999 if (StopClockTimer() && appData.clockMode) {
17000 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17001 if (!WhiteOnMove(forwardMostMove)) {
17002 if(blackNPS >= 0) lastTickLength = 0;
17003 blackTimeRemaining -= lastTickLength;
17004 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17005 // if(pvInfoList[forwardMostMove].time == -1)
17006 pvInfoList[forwardMostMove].time = // use GUI time
17007 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17009 if(whiteNPS >= 0) lastTickLength = 0;
17010 whiteTimeRemaining -= lastTickLength;
17011 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17012 // if(pvInfoList[forwardMostMove].time == -1)
17013 pvInfoList[forwardMostMove].time =
17014 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17016 flagged = CheckFlags();
17018 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17019 CheckTimeControl();
17021 if (flagged || !appData.clockMode) return;
17023 switch (gameMode) {
17024 case MachinePlaysBlack:
17025 case MachinePlaysWhite:
17026 case BeginningOfGame:
17027 if (pausing) return;
17031 case PlayFromGameFile:
17039 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17040 if(WhiteOnMove(forwardMostMove))
17041 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17042 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17046 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17047 whiteTimeRemaining : blackTimeRemaining);
17048 StartClockTimer(intendedTickLength);
17052 /* Stop both clocks */
17056 long lastTickLength;
17059 if (!StopClockTimer()) return;
17060 if (!appData.clockMode) return;
17064 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17065 if (WhiteOnMove(forwardMostMove)) {
17066 if(whiteNPS >= 0) lastTickLength = 0;
17067 whiteTimeRemaining -= lastTickLength;
17068 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17070 if(blackNPS >= 0) lastTickLength = 0;
17071 blackTimeRemaining -= lastTickLength;
17072 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17077 /* Start clock of player on move. Time may have been reset, so
17078 if clock is already running, stop and restart it. */
17082 (void) StopClockTimer(); /* in case it was running already */
17083 DisplayBothClocks();
17084 if (CheckFlags()) return;
17086 if (!appData.clockMode) return;
17087 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17089 GetTimeMark(&tickStartTM);
17090 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17091 whiteTimeRemaining : blackTimeRemaining);
17093 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17094 whiteNPS = blackNPS = -1;
17095 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17096 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17097 whiteNPS = first.nps;
17098 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17099 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17100 blackNPS = first.nps;
17101 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17102 whiteNPS = second.nps;
17103 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17104 blackNPS = second.nps;
17105 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17107 StartClockTimer(intendedTickLength);
17111 TimeString (long ms)
17113 long second, minute, hour, day;
17115 static char buf[32];
17117 if (ms > 0 && ms <= 9900) {
17118 /* convert milliseconds to tenths, rounding up */
17119 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17121 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17125 /* convert milliseconds to seconds, rounding up */
17126 /* use floating point to avoid strangeness of integer division
17127 with negative dividends on many machines */
17128 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17135 day = second / (60 * 60 * 24);
17136 second = second % (60 * 60 * 24);
17137 hour = second / (60 * 60);
17138 second = second % (60 * 60);
17139 minute = second / 60;
17140 second = second % 60;
17143 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17144 sign, day, hour, minute, second);
17146 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17148 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17155 * This is necessary because some C libraries aren't ANSI C compliant yet.
17158 StrStr (char *string, char *match)
17162 length = strlen(match);
17164 for (i = strlen(string) - length; i >= 0; i--, string++)
17165 if (!strncmp(match, string, length))
17172 StrCaseStr (char *string, char *match)
17176 length = strlen(match);
17178 for (i = strlen(string) - length; i >= 0; i--, string++) {
17179 for (j = 0; j < length; j++) {
17180 if (ToLower(match[j]) != ToLower(string[j]))
17183 if (j == length) return string;
17191 StrCaseCmp (char *s1, char *s2)
17196 c1 = ToLower(*s1++);
17197 c2 = ToLower(*s2++);
17198 if (c1 > c2) return 1;
17199 if (c1 < c2) return -1;
17200 if (c1 == NULLCHAR) return 0;
17208 return isupper(c) ? tolower(c) : c;
17215 return islower(c) ? toupper(c) : c;
17217 #endif /* !_amigados */
17224 if ((ret = (char *) malloc(strlen(s) + 1)))
17226 safeStrCpy(ret, s, strlen(s)+1);
17232 StrSavePtr (char *s, char **savePtr)
17237 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17238 safeStrCpy(*savePtr, s, strlen(s)+1);
17250 clock = time((time_t *)NULL);
17251 tm = localtime(&clock);
17252 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17253 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17254 return StrSave(buf);
17259 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17261 int i, j, fromX, fromY, toX, toY;
17268 whiteToPlay = (gameMode == EditPosition) ?
17269 !blackPlaysFirst : (move % 2 == 0);
17272 /* Piece placement data */
17273 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17274 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17276 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17277 if (boards[move][i][j] == EmptySquare) {
17279 } else { ChessSquare piece = boards[move][i][j];
17280 if (emptycount > 0) {
17281 if(emptycount<10) /* [HGM] can be >= 10 */
17282 *p++ = '0' + emptycount;
17283 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17286 if(PieceToChar(piece) == '+') {
17287 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17289 piece = (ChessSquare)(DEMOTED piece);
17291 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
17293 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17294 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
17299 if (emptycount > 0) {
17300 if(emptycount<10) /* [HGM] can be >= 10 */
17301 *p++ = '0' + emptycount;
17302 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17309 /* [HGM] print Crazyhouse or Shogi holdings */
17310 if( gameInfo.holdingsWidth ) {
17311 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17313 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17314 piece = boards[move][i][BOARD_WIDTH-1];
17315 if( piece != EmptySquare )
17316 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17317 *p++ = PieceToChar(piece);
17319 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17320 piece = boards[move][BOARD_HEIGHT-i-1][0];
17321 if( piece != EmptySquare )
17322 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17323 *p++ = PieceToChar(piece);
17326 if( q == p ) *p++ = '-';
17332 *p++ = whiteToPlay ? 'w' : 'b';
17335 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17336 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17338 if(nrCastlingRights) {
17340 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
17341 /* [HGM] write directly from rights */
17342 if(boards[move][CASTLING][2] != NoRights &&
17343 boards[move][CASTLING][0] != NoRights )
17344 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17345 if(boards[move][CASTLING][2] != NoRights &&
17346 boards[move][CASTLING][1] != NoRights )
17347 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17348 if(boards[move][CASTLING][5] != NoRights &&
17349 boards[move][CASTLING][3] != NoRights )
17350 *p++ = boards[move][CASTLING][3] + AAA;
17351 if(boards[move][CASTLING][5] != NoRights &&
17352 boards[move][CASTLING][4] != NoRights )
17353 *p++ = boards[move][CASTLING][4] + AAA;
17356 /* [HGM] write true castling rights */
17357 if( nrCastlingRights == 6 ) {
17359 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17360 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17361 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17362 boards[move][CASTLING][2] != NoRights );
17363 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17364 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17365 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17366 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17367 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17371 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17372 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17373 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17374 boards[move][CASTLING][5] != NoRights );
17375 if(gameInfo.variant == VariantSChess) {
17376 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17377 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17378 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17379 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17384 if (q == p) *p++ = '-'; /* No castling rights */
17388 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17389 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17390 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17391 /* En passant target square */
17392 if (move > backwardMostMove) {
17393 fromX = moveList[move - 1][0] - AAA;
17394 fromY = moveList[move - 1][1] - ONE;
17395 toX = moveList[move - 1][2] - AAA;
17396 toY = moveList[move - 1][3] - ONE;
17397 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17398 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17399 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17401 /* 2-square pawn move just happened */
17403 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17407 } else if(move == backwardMostMove) {
17408 // [HGM] perhaps we should always do it like this, and forget the above?
17409 if((signed char)boards[move][EP_STATUS] >= 0) {
17410 *p++ = boards[move][EP_STATUS] + AAA;
17411 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17423 { int i = 0, j=move;
17425 /* [HGM] find reversible plies */
17426 if (appData.debugMode) { int k;
17427 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17428 for(k=backwardMostMove; k<=forwardMostMove; k++)
17429 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17433 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17434 if( j == backwardMostMove ) i += initialRulePlies;
17435 sprintf(p, "%d ", i);
17436 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17438 /* Fullmove number */
17439 sprintf(p, "%d", (move / 2) + 1);
17440 } else *--p = NULLCHAR;
17442 return StrSave(buf);
17446 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
17450 int emptycount, virgin[BOARD_FILES];
17455 /* Piece placement data */
17456 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17459 if (*p == '/' || *p == ' ' || *p == '[' ) {
17461 emptycount = gameInfo.boardWidth - j;
17462 while (emptycount--)
17463 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17464 if (*p == '/') p++;
17465 else if(autoSize) { // we stumbled unexpectedly into end of board
17466 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
17467 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
17469 appData.NrRanks = gameInfo.boardHeight - i; i=0;
17472 #if(BOARD_FILES >= 10)
17473 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17474 p++; emptycount=10;
17475 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17476 while (emptycount--)
17477 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17479 } else if (*p == '*') {
17480 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
17481 } else if (isdigit(*p)) {
17482 emptycount = *p++ - '0';
17483 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17484 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17485 while (emptycount--)
17486 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17487 } else if (*p == '+' || isalpha(*p)) {
17488 if (j >= gameInfo.boardWidth) return FALSE;
17490 piece = CharToPiece(*++p);
17491 if(piece == EmptySquare) return FALSE; /* unknown piece */
17492 piece = (ChessSquare) (PROMOTED piece ); p++;
17493 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17494 } else piece = CharToPiece(*p++);
17496 if(piece==EmptySquare) return FALSE; /* unknown piece */
17497 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17498 piece = (ChessSquare) (PROMOTED piece);
17499 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17502 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17508 while (*p == '/' || *p == ' ') p++;
17510 if(autoSize) appData.NrFiles = w, InitPosition(TRUE);
17512 /* [HGM] by default clear Crazyhouse holdings, if present */
17513 if(gameInfo.holdingsWidth) {
17514 for(i=0; i<BOARD_HEIGHT; i++) {
17515 board[i][0] = EmptySquare; /* black holdings */
17516 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17517 board[i][1] = (ChessSquare) 0; /* black counts */
17518 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17522 /* [HGM] look for Crazyhouse holdings here */
17523 while(*p==' ') p++;
17524 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17526 if(*p == '-' ) p++; /* empty holdings */ else {
17527 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17528 /* if we would allow FEN reading to set board size, we would */
17529 /* have to add holdings and shift the board read so far here */
17530 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17532 if((int) piece >= (int) BlackPawn ) {
17533 i = (int)piece - (int)BlackPawn;
17534 i = PieceToNumber((ChessSquare)i);
17535 if( i >= gameInfo.holdingsSize ) return FALSE;
17536 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17537 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17539 i = (int)piece - (int)WhitePawn;
17540 i = PieceToNumber((ChessSquare)i);
17541 if( i >= gameInfo.holdingsSize ) return FALSE;
17542 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17543 board[i][BOARD_WIDTH-2]++; /* black holdings */
17550 while(*p == ' ') p++;
17554 if(appData.colorNickNames) {
17555 if( c == appData.colorNickNames[0] ) c = 'w'; else
17556 if( c == appData.colorNickNames[1] ) c = 'b';
17560 *blackPlaysFirst = FALSE;
17563 *blackPlaysFirst = TRUE;
17569 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17570 /* return the extra info in global variiables */
17572 /* set defaults in case FEN is incomplete */
17573 board[EP_STATUS] = EP_UNKNOWN;
17574 for(i=0; i<nrCastlingRights; i++ ) {
17575 board[CASTLING][i] =
17576 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17577 } /* assume possible unless obviously impossible */
17578 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17579 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17580 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17581 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17582 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17583 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17584 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17585 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17588 while(*p==' ') p++;
17589 if(nrCastlingRights) {
17590 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17591 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17592 /* castling indicator present, so default becomes no castlings */
17593 for(i=0; i<nrCastlingRights; i++ ) {
17594 board[CASTLING][i] = NoRights;
17597 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17598 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17599 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17600 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17601 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17603 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17604 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17605 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17607 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17608 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17609 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17610 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17611 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17612 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17615 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17616 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17617 board[CASTLING][2] = whiteKingFile;
17618 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17619 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17622 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17623 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17624 board[CASTLING][2] = whiteKingFile;
17625 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17626 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17629 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17630 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17631 board[CASTLING][5] = blackKingFile;
17632 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17633 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17636 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17637 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17638 board[CASTLING][5] = blackKingFile;
17639 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17640 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17643 default: /* FRC castlings */
17644 if(c >= 'a') { /* black rights */
17645 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17646 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17647 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17648 if(i == BOARD_RGHT) break;
17649 board[CASTLING][5] = i;
17651 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17652 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17654 board[CASTLING][3] = c;
17656 board[CASTLING][4] = c;
17657 } else { /* white rights */
17658 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17659 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17660 if(board[0][i] == WhiteKing) break;
17661 if(i == BOARD_RGHT) break;
17662 board[CASTLING][2] = i;
17663 c -= AAA - 'a' + 'A';
17664 if(board[0][c] >= WhiteKing) break;
17666 board[CASTLING][0] = c;
17668 board[CASTLING][1] = c;
17672 for(i=0; i<nrCastlingRights; i++)
17673 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17674 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17675 if (appData.debugMode) {
17676 fprintf(debugFP, "FEN castling rights:");
17677 for(i=0; i<nrCastlingRights; i++)
17678 fprintf(debugFP, " %d", board[CASTLING][i]);
17679 fprintf(debugFP, "\n");
17682 while(*p==' ') p++;
17685 /* read e.p. field in games that know e.p. capture */
17686 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17687 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17688 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17690 p++; board[EP_STATUS] = EP_NONE;
17692 char c = *p++ - AAA;
17694 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17695 if(*p >= '0' && *p <='9') p++;
17696 board[EP_STATUS] = c;
17701 if(sscanf(p, "%d", &i) == 1) {
17702 FENrulePlies = i; /* 50-move ply counter */
17703 /* (The move number is still ignored) */
17710 EditPositionPasteFEN (char *fen)
17713 Board initial_position;
17715 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
17716 DisplayError(_("Bad FEN position in clipboard"), 0);
17719 int savedBlackPlaysFirst = blackPlaysFirst;
17720 EditPositionEvent();
17721 blackPlaysFirst = savedBlackPlaysFirst;
17722 CopyBoard(boards[0], initial_position);
17723 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17724 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17725 DisplayBothClocks();
17726 DrawPosition(FALSE, boards[currentMove]);
17731 static char cseq[12] = "\\ ";
17734 set_cont_sequence (char *new_seq)
17739 // handle bad attempts to set the sequence
17741 return 0; // acceptable error - no debug
17743 len = strlen(new_seq);
17744 ret = (len > 0) && (len < sizeof(cseq));
17746 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17747 else if (appData.debugMode)
17748 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17753 reformat a source message so words don't cross the width boundary. internal
17754 newlines are not removed. returns the wrapped size (no null character unless
17755 included in source message). If dest is NULL, only calculate the size required
17756 for the dest buffer. lp argument indicats line position upon entry, and it's
17757 passed back upon exit.
17760 wrap (char *dest, char *src, int count, int width, int *lp)
17762 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17764 cseq_len = strlen(cseq);
17765 old_line = line = *lp;
17766 ansi = len = clen = 0;
17768 for (i=0; i < count; i++)
17770 if (src[i] == '\033')
17773 // if we hit the width, back up
17774 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17776 // store i & len in case the word is too long
17777 old_i = i, old_len = len;
17779 // find the end of the last word
17780 while (i && src[i] != ' ' && src[i] != '\n')
17786 // word too long? restore i & len before splitting it
17787 if ((old_i-i+clen) >= width)
17794 if (i && src[i-1] == ' ')
17797 if (src[i] != ' ' && src[i] != '\n')
17804 // now append the newline and continuation sequence
17809 strncpy(dest+len, cseq, cseq_len);
17817 dest[len] = src[i];
17821 if (src[i] == '\n')
17826 if (dest && appData.debugMode)
17828 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17829 count, width, line, len, *lp);
17830 show_bytes(debugFP, src, count);
17831 fprintf(debugFP, "\ndest: ");
17832 show_bytes(debugFP, dest, len);
17833 fprintf(debugFP, "\n");
17835 *lp = dest ? line : old_line;
17840 // [HGM] vari: routines for shelving variations
17841 Boolean modeRestore = FALSE;
17844 PushInner (int firstMove, int lastMove)
17846 int i, j, nrMoves = lastMove - firstMove;
17848 // push current tail of game on stack
17849 savedResult[storedGames] = gameInfo.result;
17850 savedDetails[storedGames] = gameInfo.resultDetails;
17851 gameInfo.resultDetails = NULL;
17852 savedFirst[storedGames] = firstMove;
17853 savedLast [storedGames] = lastMove;
17854 savedFramePtr[storedGames] = framePtr;
17855 framePtr -= nrMoves; // reserve space for the boards
17856 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17857 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17858 for(j=0; j<MOVE_LEN; j++)
17859 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17860 for(j=0; j<2*MOVE_LEN; j++)
17861 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17862 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17863 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17864 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17865 pvInfoList[firstMove+i-1].depth = 0;
17866 commentList[framePtr+i] = commentList[firstMove+i];
17867 commentList[firstMove+i] = NULL;
17871 forwardMostMove = firstMove; // truncate game so we can start variation
17875 PushTail (int firstMove, int lastMove)
17877 if(appData.icsActive) { // only in local mode
17878 forwardMostMove = currentMove; // mimic old ICS behavior
17881 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17883 PushInner(firstMove, lastMove);
17884 if(storedGames == 1) GreyRevert(FALSE);
17885 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17889 PopInner (Boolean annotate)
17892 char buf[8000], moveBuf[20];
17894 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17895 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17896 nrMoves = savedLast[storedGames] - currentMove;
17899 if(!WhiteOnMove(currentMove))
17900 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17901 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17902 for(i=currentMove; i<forwardMostMove; i++) {
17904 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17905 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17906 strcat(buf, moveBuf);
17907 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17908 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17912 for(i=1; i<=nrMoves; i++) { // copy last variation back
17913 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17914 for(j=0; j<MOVE_LEN; j++)
17915 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17916 for(j=0; j<2*MOVE_LEN; j++)
17917 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17918 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17919 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17920 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17921 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17922 commentList[currentMove+i] = commentList[framePtr+i];
17923 commentList[framePtr+i] = NULL;
17925 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17926 framePtr = savedFramePtr[storedGames];
17927 gameInfo.result = savedResult[storedGames];
17928 if(gameInfo.resultDetails != NULL) {
17929 free(gameInfo.resultDetails);
17931 gameInfo.resultDetails = savedDetails[storedGames];
17932 forwardMostMove = currentMove + nrMoves;
17936 PopTail (Boolean annotate)
17938 if(appData.icsActive) return FALSE; // only in local mode
17939 if(!storedGames) return FALSE; // sanity
17940 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17942 PopInner(annotate);
17943 if(currentMove < forwardMostMove) ForwardEvent(); else
17944 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17946 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17952 { // remove all shelved variations
17954 for(i=0; i<storedGames; i++) {
17955 if(savedDetails[i])
17956 free(savedDetails[i]);
17957 savedDetails[i] = NULL;
17959 for(i=framePtr; i<MAX_MOVES; i++) {
17960 if(commentList[i]) free(commentList[i]);
17961 commentList[i] = NULL;
17963 framePtr = MAX_MOVES-1;
17968 LoadVariation (int index, char *text)
17969 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17970 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17971 int level = 0, move;
17973 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17974 // first find outermost bracketing variation
17975 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17976 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17977 if(*p == '{') wait = '}'; else
17978 if(*p == '[') wait = ']'; else
17979 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17980 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17982 if(*p == wait) wait = NULLCHAR; // closing ]} found
17985 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17986 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17987 end[1] = NULLCHAR; // clip off comment beyond variation
17988 ToNrEvent(currentMove-1);
17989 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17990 // kludge: use ParsePV() to append variation to game
17991 move = currentMove;
17992 ParsePV(start, TRUE, TRUE);
17993 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17994 ClearPremoveHighlights();
17996 ToNrEvent(currentMove+1);
18002 char *p, *q, buf[MSG_SIZ];
18003 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18004 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18005 ParseArgsFromString(buf);
18006 ActivateTheme(TRUE); // also redo colors
18010 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18013 q = appData.themeNames;
18014 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18015 if(appData.useBitmaps) {
18016 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18017 appData.liteBackTextureFile, appData.darkBackTextureFile,
18018 appData.liteBackTextureMode,
18019 appData.darkBackTextureMode );
18021 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18022 Col2Text(2), // lightSquareColor
18023 Col2Text(3) ); // darkSquareColor
18025 if(appData.useBorder) {
18026 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18029 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18031 if(appData.useFont) {
18032 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18033 appData.renderPiecesWithFont,
18034 appData.fontToPieceTable,
18035 Col2Text(9), // appData.fontBackColorWhite
18036 Col2Text(10) ); // appData.fontForeColorBlack
18038 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18039 appData.pieceDirectory);
18040 if(!appData.pieceDirectory[0])
18041 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18042 Col2Text(0), // whitePieceColor
18043 Col2Text(1) ); // blackPieceColor
18045 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18046 Col2Text(4), // highlightSquareColor
18047 Col2Text(5) ); // premoveHighlightColor
18048 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18049 if(insert != q) insert[-1] = NULLCHAR;
18050 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18053 ActivateTheme(FALSE);