Implement EGBB probing and -first/secondDrawDepth

[xboard.git] / backend.h

diff --git a/backend.h b/backend.h
index 7003bd0..0597025 100644 (file)
--- a/backend.h
+++ b/backend.h
@@ -5,7 +5,7 @@
  * Massachusetts.
  *
  * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
- * 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
+ * 2007, 2008, 2009, 2010, 2011, 2012, 2013 Free Software Foundation, Inc.
  *
  * Enhancements Copyright 2005 Alessandro Scotti
  *
@@ -96,6 +96,8 @@
 
 #include "lists.h"
 
+typedef int (*FileProc) P((FILE *f, int n, char *title));
+
 extern char *wbOptions;
 extern int gotPremove;
 extern GameMode gameMode;
@@ -113,10 +115,13 @@ extern char lastMsg[MSG_SIZ];
 extern Boolean bookUp;
 extern int tinyLayout, smallLayout;
 extern Boolean mcMode;
+extern int dragging;
+extern char variantError[];
 
+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));
+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));
@@ -238,8 +243,9 @@ int PromoScroll P((int x, int y));
 void EditBookEvent P((void));
 Boolean DisplayBook P((int moveNr));
 void SaveToBook P((char *text));
+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 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, ...));
@@ -366,9 +372,9 @@ typedef struct XB_CPS {
     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[MSG_SIZ];
+    char *tidy;
     int matchWins;
-    char variants[MSG_SIZ];
+    char *variants;
     int analysisSupport;
     int analyzing;
     int protocolVersion;
@@ -388,14 +394,16 @@ typedef struct XB_CPS {
     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[MSG_SIZ];     /* [HGM] EGT: supported tablebase formats */
+    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];
@@ -405,6 +413,7 @@ typedef struct XB_CPS {
     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;
@@ -434,6 +443,8 @@ 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));
@@ -442,6 +453,7 @@ void MoveHistorySet P(( char movelist[][2*MOVE_LEN], int first, int last, int cu
 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));
 
 /* A point in time */
 typedef struct {