X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=backend.h;h=fae2ee6377614b0ee1c19a5fb883747fc9da091c;hb=HEAD;hp=0057b9d10d290f6cf88d2cafc554d8cc560fffa4;hpb=7e4f4f5718bf4efee8be4abfc981d18cfd6f8438;p=xboard.git diff --git a/backend.h b/backend.h index 0057b9d..fae2ee6 100644 --- a/backend.h +++ b/backend.h @@ -1,266 +1,447 @@ -/* - * backend.h -- Interface exported by XBoard back end - * $Id: backend.h,v 2.1 2003/10/27 19:21:00 mann Exp $ - * - * Copyright 1991 by Digital Equipment Corporation, Maynard, Massachusetts. - * Enhancements Copyright 1992-95 Free Software Foundation, Inc. - * - * The following terms apply to Digital Equipment Corporation's copyright - * interest in XBoard: - * ------------------------------------------------------------------------ - * All Rights Reserved - * - * Permission to use, copy, modify, and distribute this software and its - * documentation for any purpose and without fee is hereby granted, - * provided that the above copyright notice appear in all copies and that - * both that copyright notice and this permission notice appear in - * supporting documentation, and that the name of Digital not be - * used in advertising or publicity pertaining to distribution of the - * software without specific, written prior permission. - * - * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING - * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL - * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR - * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, - * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, - * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS - * SOFTWARE. - * ------------------------------------------------------------------------ - * - * The following terms apply to the enhanced version of XBoard distributed - * by the Free Software Foundation: - * ------------------------------------------------------------------------ - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * ------------------------------------------------------------------------ - */ -#ifndef _BACKEND -#define _BACKEND - -#include "lists.h" -#include "frontend.h" - -extern int gotPremove; -extern GameMode gameMode; -extern int pausing, cmailMsgLoaded, flipView; -extern char white_holding[], black_holding[]; -extern int currentMove, backwardMostMove, forwardMostMove; -extern int blackPlaysFirst; -extern FILE *debugFP; -extern char* programVersion; -extern ProcRef firstProgramPR, secondProgramPR; -extern Board boards[]; - -char *CmailMsg P((void)); -/* Tord: Added the useFEN960 parameter in PositionToFEN() below */ -char *PositionToFEN P((int move, int useFEN960)); -void AlphaRank P((char *s, int n)); /* [HGM] Shogi move preprocessor */ -void EditPositionPasteFEN P((char *fen)); -void TimeDelay P((long ms)); -void SendMultiLineToICS P(( char *text )); -void AnalysisPeriodicEvent P((int force)); -void SetWhiteToPlayEvent P((void)); -void SetBlackToPlayEvent P((void)); -void InitBackEnd1 P((void)); -void InitBackEnd2 P((void)); -int IsPromotion P((int fromX, int fromY, int toX, int toY)); -int InPalace P((int row, int column)); -int PieceForSquare P((int x, int y)); -int OKToStartUserMove P((int x, int y)); -void Reset P((int redraw, int init)); -void ResetGameEvent P((void)); -int LoadGame P((FILE *f, int n, char *title, int useList)); -int LoadGameFromFile P((char *filename, int n, char *title, int useList)); -int CmailLoadGame P((FILE *f, int n, char *title, int useList)); -int ReloadGame P((int offset)); -int SaveGame P((FILE *f, int dummy, char *dummy2)); -int SaveGameToFile P((char *filename, int append)); -int LoadPosition P((FILE *f, int n, char *title)); -int ReloadPosition P((int offset)); -int SavePosition P((FILE *f, int dummy, char *dummy2)); -void EditPositionEvent P((void)); -void FlipViewEvent P((void)); -void MachineWhiteEvent P((void)); -void MachineBlackEvent P((void)); -void TwoMachinesEvent P((void)); -void EditGameEvent P((void)); -void TrainingEvent P((void)); -void IcsClientEvent P((void)); -void ForwardEvent P((void)); -void BackwardEvent P((void)); -void ToEndEvent P((void)); -void ToStartEvent P((void)); -void ToNrEvent P((int to)); -void RevertEvent P((void)); -void RetractMoveEvent P((void)); -void MoveNowEvent P((void)); -void TruncateGameEvent P((void)); -void PauseEvent P((void)); -void CallFlagEvent P((void)); -void AcceptEvent P((void)); -void DeclineEvent P((void)); -void RematchEvent P((void)); -void DrawEvent P((void)); -void AbortEvent P((void)); -void AdjournEvent P((void)); -void ResignEvent P((void)); -void UserAdjudicationEvent P((int result)); -void StopObservingEvent P((void)); -void StopExaminingEvent P((void)); -void PonderNextMoveEvent P((int newState)); -void ShowThinkingEvent P((int newState)); -void PeriodicUpdatesEvent P((int newState)); -void HintEvent P((void)); -void BookEvent P((void)); -void AboutGameEvent P((void)); -void ExitEvent P((int status)); -char *DefaultFileName P((char *)); -ChessMove UserMoveTest P((int fromX, int fromY, int toX, int toY, int promoChar)); -void UserMoveEvent P((int fromX, int fromY, int toX, int toY, int promoChar)); -void DecrementClocks P((void)); -char *TimeString P((long millisec)); -void AutoPlayGameLoop P((void)); -void DisplayBothClocks P((void)); -void EditPositionMenuEvent P((ChessSquare selection, int x, int y)); -void DropMenuEvent P((ChessSquare selection, int x, int y)); -int ParseTimeControl P((char *tc, int ti, int mps)); -void ProcessICSInitScript P((FILE * f)); -void EditCommentEvent P((void)); -void ReplaceComment P((int index, char *text)); -int ReplaceTags P((char *tags, GameInfo *gi));/* returns nonzero on error */ -void AppendComment P((int index, char *text)); -void ReloadCmailMsgEvent P((int unregister)); -void MailMoveEvent P((void)); -void EditTagsEvent P((void)); -void GetMoveListEvent P((void)); -void ExitAnalyzeMode P((void)); -void AnalyzeModeEvent P((void)); -void AnalyzeFileEvent P((void)); -void DoEcho P((void)); -void DontEcho P((void)); -void TidyProgramName P((char *prog, char *host, char *buf)); -void AskQuestionEvent P((char *title, char *question, - char *replyPrefix, char *which)); -Boolean ParseOneMove P((char *move, int moveNum, - ChessMove *moveType, int *fromX, int *fromY, - int *toX, int *toY, char *promoChar)); -char *VariantName P((VariantClass v)); -VariantClass StringToVariant P((char *e)); - -char *StrStr P((char *string, char *match)); -char *StrCaseStr P((char *string, char *match)); -char *StrSave P((char *s)); -char *StrSavePtr P((char *s, char **savePtr)); - -#ifndef _amigados -int StrCaseCmp P((char *s1, char *s2)); -int ToLower P((int c)); -int ToUpper P((int c)); -#else -#define StrCaseCmp Stricmp /* Use utility.library functions */ -#include -#endif - -extern GameInfo gameInfo; - - -/* pgntags.c prototypes - */ -char *PGNTags P((GameInfo *)); -void PrintPGNTags P((FILE *f, GameInfo *)); -int ParsePGNTag P((char *, GameInfo *)); -char *PGNResult P((ChessMove result)); - - -/* gamelist.c prototypes - */ -/* A game node in the double linked list of games. - */ -typedef struct _ListGame { - ListNode node; - int number; - unsigned long offset; /* Byte offset of game within file. */ - GameInfo gameInfo; /* Note that some entries may be NULL. */ -} ListGame; - -extern List gameList; -void ClearGameInfo P((GameInfo *)); -int GameListBuild P((FILE *)); -void GameListInitGameInfo P((GameInfo *)); -char *GameListLine P((int, GameInfo *)); -char * GameListLineFull P(( int, GameInfo *)); - -extern char* StripHighlight P((char *)); /* returns static data */ -extern char* StripHighlightAndTitle P((char *)); /* returns static data */ - -typedef struct _CPS { - char *which; - int maybeThinking; - ProcRef pr; - InputSourceRef isr; - char *twoMachinesColor; /* "white\n" or "black\n" */ - char *program; - char *host; - char *dir; - struct _CPS *other; - char *initString; - char *computerString; - int sendTime; /* 0=don't, 1=do, 2=test */ - int sendDrawOffers; - int useSigint; - int useSigterm; - int offeredDraw; /* countdown */ - int reuse; - int useSetboard; /* 0=use "edit"; 1=use "setboard" */ - int useSAN; /* 0=use coordinate notation; 1=use SAN */ - int usePing; /* 0=not OK to use ping; 1=OK */ - int lastPing; - int lastPong; - int usePlayother;/* 0=not OK to use playother; 1=OK */ - int useColors; /* 0=avoid obsolete white/black commands; 1=use them */ - int useUsermove; /* 0=just send move; 1=send "usermove move" */ - int sendICS; /* 0=don't use "ics" command; 1=do */ - int sendName; /* 0=don't use "name" command; 1=do */ - int sdKludge; /* 0=use "sd DEPTH" command; 1=use "depth\nDEPTH" */ - int stKludge; /* 0=use "st TIME" command; 1=use "level 1 TIME" */ - char tidy[MSG_SIZ]; - int matchWins; - char variants[MSG_SIZ]; - int analysisSupport; - int analyzing; - int protocolVersion; - int initDone; - - /* Added by Tord: */ - int useFEN960; /* 0=use "KQkq" style FENs, 1=use "HAha" style FENs */ - int useOOCastle; /* 0="O-O" notation for castling, 1="king capture rook" notation */ - /* End of additions by Tord */ - - int scoreIsAbsolute; /* [AS] 0=don't know (standard), 1=score is always from white side */ - int isUCI; /* [AS] 0=no (Winboard), 1=UCI (requires Polyglot) */ - int hasOwnBookUCI; /* [AS] 0=use GUI or Polyglot book, 1=has own book */ -} ChessProgramState; - -extern ChessProgramState first, second; - -/* [AS] Search stats from chessprogram, for the played move */ -typedef struct { - int score; /* Centipawns */ - int depth; /* Plies */ - int time; /* Milliseconds */ -} ChessProgramStats_Move; - -extern ChessProgramStats_Move pvInfoList[MAX_MOVES]; - -#endif /* _BACKEND */ +/* + * backend.h -- Interface exported by XBoard back end + * + * Copyright 1991 by Digital Equipment Corporation, Maynard, + * Massachusetts. + * + * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006, + * 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Free + * Software Foundation, Inc. + * + * Enhancements Copyright 2005 Alessandro Scotti + * + * The following terms apply to Digital Equipment Corporation's copyright + * interest in XBoard: + * ------------------------------------------------------------------------ + * All Rights Reserved + * + * Permission to use, copy, modify, and distribute this software and its + * documentation for any purpose and without fee is hereby granted, + * provided that the above copyright notice appear in all copies and that + * both that copyright notice and this permission notice appear in + * supporting documentation, and that the name of Digital not be + * used in advertising or publicity pertaining to distribution of the + * software without specific, written prior permission. + * + * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING + * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL + * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR + * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, + * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, + * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS + * SOFTWARE. + * ------------------------------------------------------------------------ + * + * The following terms apply to the enhanced version of XBoard + * distributed by the Free Software Foundation: + * ------------------------------------------------------------------------ + * + * GNU XBoard is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or (at + * your option) any later version. + * + * GNU XBoard is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see http://www.gnu.org/licenses/. * + * + *------------------------------------------------------------------------ + ** See the file ChangeLog for a revision history. */ + +#ifndef XB_BACKEND +#define XB_BACKEND + +#include "lists.h" + +typedef int (*FileProc) P((FILE *f, int n, char *title)); + +extern char *wbOptions; +extern int gotPremove; +extern GameMode gameMode; +extern int matchMode; +extern int matchGame; +extern int pausing, cmailMsgLoaded, flipView, mute; +extern char white_holding[], black_holding[]; +extern int currentMove, backwardMostMove, forwardMostMove; +extern int blackPlaysFirst; +extern FILE *debugFP; +extern char* programVersion; +extern Board boards[]; +extern char marker[BOARD_RANKS][BOARD_FILES]; +extern char lastMsg[MSG_SIZ]; +extern Boolean bookUp; +extern Boolean addToBookFlag; +extern int tinyLayout, smallLayout; +extern Boolean mcMode; +extern int dragging; +extern char variantError[]; +extern char lastTalker[]; +extern int transparency[]; + +void MarkMenuItem P((char *menuRef, int state)); +char *CmailMsg P((void)); +/* Tord: Added the useFEN960 parameter in PositionToFEN() below */ +char *PositionToFEN P((int move, char* useFEN960, int moveCounts)); +void AlphaRank P((char *s, int n)); /* [HGM] Shogi move preprocessor */ +void EditPositionPasteFEN P((char *fen)); +void TimeDelay P((long ms)); +void SendMultiLineToICS P(( char *text )); +void AnalysisPeriodicEvent P((int force)); +void SetWhiteToPlayEvent P((void)); +void SetBlackToPlayEvent P((void)); +void UploadGameEvent P((void)); +void InitBackEnd1 P((void)); +void InitBackEnd2 P((void)); +int HasPromotionChoice P((int fromX, int fromY, int toX, int toY, char *choice, int sweep)); +int InPalace P((int row, int column)); +int PieceForSquare P((int x, int y)); +int OKToStartUserMove P((int x, int y)); +void Reset P((int redraw, int init)); +void ResetGameEvent P((void)); +Boolean HasPattern P(( const char * text, const char * pattern )); +Boolean SearchPattern P(( const char * text, const char * pattern )); +int LoadGame P((FILE *f, int n, char *title, int useList)); +int LoadGameFromFile P((char *filename, int n, char *title, int useList)); +int CmailLoadGame P((FILE *f, int n, char *title, int useList)); +int ReloadGame P((int offset)); +int SaveSelected P((FILE *f, int dummy, char *dummy2)); +int SaveGame P((FILE *f, int dummy, char *dummy2)); +int SaveGameToFile P((char *filename, int append)); +int LoadPosition P((FILE *f, int n, char *title)); +int ReloadPosition P((int offset)); +int SavePosition P((FILE *f, int dummy, char *dummy2)); +int DrawSeekGraph P(()); +int SeekGraphClick P((ClickType click, int x, int y, int moving)); +void EditPositionEvent P((void)); +void FlipViewEvent P((void)); +void MachineWhiteEvent P((void)); +void MachineBlackEvent P((void)); +void TwoMachinesEvent P((void)); +void EditGameEvent P((void)); +void TrainingEvent P((void)); +void IcsClientEvent P((void)); +void ForwardEvent P((void)); +void BackwardEvent P((void)); +void ToEndEvent P((void)); +void ToStartEvent P((void)); +void ToNrEvent P((int to)); +void RevertEvent P((Boolean annotate)); +void RetractMoveEvent P((void)); +void MoveNowEvent P((void)); +void TruncateGameEvent P((void)); +void PauseEvent P((void)); +void CallFlagEvent P((void)); +void ClockClick P((int which)); +void AcceptEvent P((void)); +void DeclineEvent P((void)); +void RematchEvent P((void)); +void DrawEvent P((void)); +void AbortEvent P((void)); +void AdjournEvent P((void)); +void ResignEvent P((void)); +void UserAdjudicationEvent P((int result)); +void StopObservingEvent P((void)); +void StopExaminingEvent P((void)); +void PonderNextMoveEvent P((int newState)); +void ShowThinkingEvent P(()); +void PeriodicUpdatesEvent P((int newState)); +void HintEvent P((void)); +void BookEvent P((void)); +void AboutGameEvent P((void)); +void ExitEvent P((int status)); +char *DefaultFileName P((char *)); +ChessMove UserMoveTest P((int fromX, int fromY, int toX, int toY, int promoChar, Boolean captureOwn)); +void UserMoveEvent P((int fromX, int fromY, int toX, int toY, int promoChar)); +void DecrementClocks P((void)); +char *TimeString P((long millisec)); +void AutoPlayGameLoop P((void)); +void AdjustClock P((Boolean which, int dir)); +void DisplayBothClocks P((void)); +void EditPositionMenuEvent P((ChessSquare selection, int x, int y)); +void DropMenuEvent P((ChessSquare selection, int x, int y)); +int ParseTimeControl P((char *tc, float ti, int mps)); +void EscapeExpand(char *p, char *q); +void ProcessICSInitScript P((FILE * f)); +void EditCommentEvent P((void)); +void ReplaceComment P((int index, char *text)); +int ReplaceTags P((char *tags, GameInfo *gi));/* returns nonzero on error */ +void AppendComment P((int index, char *text, Boolean addBraces)); +void LoadVariation P((int index, char *text)); +void ReloadCmailMsgEvent P((int unregister)); +void MailMoveEvent P((void)); +void EditTagsEvent P((void)); +void GetMoveListEvent P((void)); +void ExitAnalyzeMode P((void)); +int AnalyzeModeEvent P((void)); +void AnalyzeFileEvent P((void)); +void MatchEvent P((int mode)); +void RecentEngineEvent P((int nr)); +void TypeInEvent P((char first)); +void TypeInDoneEvent P((char *move)); +void InitPosition P((int redraw)); +void NewSettingEvent P((int option, int *feature, char *command, int value)); +void SettingsMenuIfReady P((void)); +void DoEcho P((void)); +void DontEcho P((void)); +void TidyProgramName P((char *prog, char *host, char *buf)); +void SetGameInfo P((void)); +void AskQuestionEvent P((char *title, char *question, + char *replyPrefix, char *which)); +Boolean ParseOneMove P((char *move, int moveNum, + ChessMove *moveType, int *fromX, int *fromY, + int *toX, int *toY, char *promoChar)); +char *VariantName P((VariantClass v)); +VariantClass StringToVariant P((char *e)); +double u64ToDouble P((u64 value)); +void OutputChatMessage P((int partner, char *mess)); +void EditPositionDone P((Boolean fakeRights)); +Boolean GetArgValue P((char *name)); +Boolean LoadPV P((int x, int y)); +Boolean LoadMultiPV P((int x, int y, char *buf, int index, int *start, int *end, int pane)); +void UnLoadPV P(()); +void MovePV P((int x, int y, int h)); +int PromoScroll P((int x, int y)); +void EditBookEvent P((void)); +Boolean DisplayBook P((int moveNr)); +void SaveToBook P((char *text)); +void AddBookMove P((char *text)); +void PlayBookMove P((char *text, int index)); +void HoverEvent P((int hiX, int hiY, int x, int y)); +int PackGame P((Board board)); +Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)); +void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar, Board board)); +void PackMove P((int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)); +void ics_printf P((char *format, ...)); +int GetEngineLine P((char *nick, int engine)); +void AddGameToBook P((int always)); +void FlushBook P((void)); +char PieceToChar P((ChessSquare p)); +int LoadPieceDesc P((char *s)); + +char *StrStr P((char *string, char *match)); +char *StrCaseStr P((char *string, char *match)); +char *StrSave P((char *s)); +char *StrSavePtr P((char *s, char **savePtr)); +char *SavePart P((char *)); +char* safeStrCpy P(( char *dst, const char *src, size_t count )); + +#ifndef _amigados +int StrCaseCmp P((char *s1, char *s2)); +int ToLower P((int c)); +int ToUpper P((int c)); +#else +#define StrCaseCmp Stricmp /* Use utility.library functions */ +#include +#endif + +extern GameInfo gameInfo; + +/* ICS vars used with backend.c and zippy.c */ +enum ICS_TYPE { ICS_GENERIC, ICS_ICC, ICS_FICS, ICS_CHESSNET /* not really supported */ }; +enum ICS_TYPE ics_type; + +/* pgntags.c prototypes + */ +char *PGNTags P((GameInfo *)); +void PrintPGNTags P((FILE *f, GameInfo *)); +int ParsePGNTag P((char *, GameInfo *)); +char *PGNResult P((ChessMove result)); + + +/* gamelist.c prototypes + */ +/* A game node in the double linked list of games. + */ +typedef struct XB_ListGame { + ListNode node; + int number; + int position; + int moves; + unsigned long offset; /* Byte offset of game within file. */ + GameInfo gameInfo; /* Note that some entries may be NULL. */ +} ListGame; + +extern int border; +extern int doubleClick; +extern int storedGames; +extern int opponentKibitzes; +extern ChessSquare gatingPiece; +extern List gameList; +extern int lastLoadGameNumber; +void ClearGameInfo P((GameInfo *)); +int GameListBuild P((FILE *)); +void GameListInitGameInfo P((GameInfo *)); +char *GameListLine P((int, GameInfo *)); +char * GameListLineFull P(( int, GameInfo *)); +void InitSearch P((void)); +int GameContainsPosition P((FILE *f, ListGame *lg)); +void GLT_TagsToList P(( char * tags )); +void GLT_ParseList P((void)); +int NamesToList P((char *name, char **engines, char **mnemonics, char *group)); +int CreateTourney P((char *name)); +char *MakeName P((char *templ)); +void SwapEngines P((int n)); +void Substitute P((char *participants, int expunge)); + +extern char* StripHighlight P((char *)); /* returns static data */ +extern char* StripHighlightAndTitle P((char *)); /* returns static data */ +extern void ics_update_width P((int new_width)); +extern Boolean set_cont_sequence P((char *new_seq)); +extern int wrap P((char *dest, char *src, int count, int width, int *lp)); +int Explode P((Board board, int fromX, int fromY, int toX, int toY)); + +typedef enum { CheckBox, ComboBox, TextBox, Button, Spin, ResetButton, SaveButton, ListBox, Graph, PopUp, + FileName, PathName, Slider, Message, Fractional, Label, Icon, + BoxBegin, BoxEnd, BarBegin, BarEnd, DropDown, Break, EndMark, Skip } Control; + +typedef struct XB_OPT { // [HGM] options: descriptor of UCI-style option + int value; // current setting, starts as default + int min; // Also used for flags + int max; + void *handle; // for use by front end + void *target; // for use by front end + char *textValue; // points to beginning of text value in name field + char **choice; // points to array of combo choices in cps->combo + Control type; + char *name; // holds both option name and text value (in allocated memory) + char **font; +} Option; + +typedef struct XB_CPS { + char *which; + int maybeThinking; + ProcRef pr; + InputSourceRef isr; + char *twoMachinesColor; /* "white\n" or "black\n" */ + char *program; + char *host; + char *dir; + struct XB_CPS *other; + char *initString; + char *computerString; + int sendTime; /* 0=don't, 1=do, 2=test */ + int sendDrawOffers; + int useSigint; + int useSigterm; + int offeredDraw; /* countdown */ + int reuse; + int useSetboard; /* 0=use "edit"; 1=use "setboard" */ + int extendedEdit;/* 1=also set holdings with "edit" */ + int useSAN; /* 0=use coordinate notation; 1=use SAN */ + int usePing; /* 0=not OK to use ping; 1=OK */ + int lastPing; + int lastPong; + int usePlayother;/* 0=not OK to use playother; 1=OK */ + int useColors; /* 0=avoid obsolete white/black commands; 1=use them */ + int useUsermove; /* 0=just send move; 1=send "usermove move" */ + int sendICS; /* 0=don't use "ics" command; 1=do */ + int sendName; /* 0=don't use "name" command; 1=do */ + int sdKludge; /* 0=use "sd DEPTH" command; 1=use "depth\nDEPTH" */ + int stKludge; /* 0=use "st TIME" command; 1=use "level 1 TIME" */ + int excludeMoves;/* 0=don't use "exclude" command; 1=do */ + char *tidy; + int matchWins; + char *variants; + int analysisSupport; + int analyzing; + int protocolVersion; + int initDone; + int pseudo; + + /* Added by Tord: */ + int useFEN960; /* 0=use "KQkq" style FENs, 1=use "HAha" style FENs */ + int useOOCastle; /* 0="O-O" notation for castling, 1="king capture rook" notation */ + /* End of additions by Tord */ + + int scoreIsAbsolute; /* [AS] 0=don't know (standard), 1=score is always from white side */ + int isUCI; /* [AS] 0=no (Winboard), 1=UCI (requires Polyglot) */ + int hasOwnBookUCI; /* [AS] 0=use GUI or Polyglot book, 1=has own book */ + + /* [HGM] time odds */ + float timeOdds; /* factor through which we divide time for this engine */ + int debug; /* [HGM] ignore engine debug lines starting with '#' */ + int maxNrOfSessions; /* [HGM] secondary TC: max args in 'level' command */ + int accumulateTC; /* [HGM] secondary TC: how to handle extra sessions */ + int drawDepth; /* [HGM] egbb: search depth to play egbb draws */ + int nps; /* [HGM] nps: factor for node count to replace time */ + int supportsNPS; + int alphaRank; /* [HGM] shogi: engine uses shogi-type coordinates */ + int maxCores; /* [HGM] SMP: engine understands cores command */ + int memSize; /* [HGM] memsize: engine understands memory command */ + char *egtFormats; /* [HGM] EGT: supported tablebase formats */ + int bookSuspend; /* [HGM] book: go was deferred because of book hit */ + int pause; /* [HGM] pause: 1=supports it, 2=actually paused */ + int highlight; /* [HGM] engine wants to get lift and put commands */ + int nrOptions; /* [HGM] options: remembered option="..." features */ +#define MAX_OPTIONS 200 + Option option[MAX_OPTIONS]; + int comboCnt; + char *comboList[20*MAX_OPTIONS]; + char *optionSettings; + void *programLogo; /* [HGM] logo: bitmap of the logo */ + char *fenOverride; /* [HGM} FRC: force FEN casling & ep fields by hand */ + char userError; /* [HGM] crash: flag to suppress fatal-error messages*/ + char reload; /* [HGM] options: flag to resend options with xreuse */ +} ChessProgramState; + +extern ChessProgramState first, second; + +/* Search stats from chessprogram */ +typedef struct { + char movelist[2*MSG_SIZ]; /* Last PV we were sent */ + int depth; /* Current search depth */ + int nr_moves; /* Total nr of root moves */ + int moves_left; /* Moves remaining to be searched */ + char move_name[MOVE_LEN]; /* Current move being searched, if provided */ + u64 nodes; /* # of nodes searched */ + int time; /* Search time (centiseconds) */ + int score; /* Score (centipawns) */ + int got_only_move; /* If last msg was "(only move)" */ + int got_fail; /* 0 - nothing, 1 - got "--", 2 - got "++" */ + int ok_to_send; /* handshaking between send & recv */ + int line_is_book; /* 1 if movelist is book moves */ + int seen_stat; /* 1 if we've seen the stat01: line */ +} ChessProgramStats; + +extern ChessProgramStats_Move pvInfoList[MAX_MOVES]; +extern Boolean shuffleOpenings; +extern ChessProgramStats programStats; +extern int opponentKibitzes; // used by wengineo.c +extern int errorExitStatus; +extern char *recentEngines; +extern char *comboLine; +extern Boolean partnerUp, twoBoards; +extern char engineVariant[]; +char *EngineDefinedVariant P((ChessProgramState *cps, int n)); +void SettingsPopUp P((ChessProgramState *cps)); // [HGM] really in front-end, but CPS not known in frontend.h +int WaitForEngine P((ChessProgramState *cps, DelayedEventCallback x)); +void Load P((ChessProgramState *cps, int n)); +int MultiPV P((ChessProgramState *cps, int kind)); +void MoveHistorySet P(( char movelist[][2*MOVE_LEN], int first, int last, int current, ChessProgramStats_Move * pvInfo )); +void MakeEngineOutputTitle P((void)); +void LoadTheme P((void)); +void CreateBookEvent P((void)); +char *SupportedVariant P((char *list, VariantClass v, int w, int h, int s, int proto, char *engine)); +char *CollectPieceDescriptors P((void)); +void RefreshSettingsDialog P((ChessProgramState *cps, int val)); +void StartChessProgram P((ChessProgramState *cps)); +void SendToICS P((char *s)); +int PosFlags P((int n)); + + +/* A point in time */ +typedef struct { + long sec; /* Assuming this is >= 32 bits */ + int ms; /* Assuming this is >= 16 bits */ +} TimeMark; + +extern TimeMark programStartTime; + +void GetTimeMark P((TimeMark *)); +long SubtractTimeMarks P((TimeMark *, TimeMark *)); + +#endif /* XB_BACKEND */