internal static Int32 ep(LoFlags flo)
{
var x = (Int32)(flo & LoFlags.EPFile);
var bWTM = (flo & LoFlags.WTM) != 0;
//[Note]EPFile identifies a Black pawn when it is White to move, and vice versa
return((Int32)(bWTM ? sq.a6 : sq.a3) + x);
}
public static String FormatFlags(LoFlags flo)
{
var en = loFlags.Where(f => (f & flo) != 0);
var s = Join(sSpace, en);
if ((flo & LoFlags.Passed) != 0)
{
var sPrefix = IsNullOrEmpty(s) ? Empty : sSpace;
s += sPrefix + (sq)ep(flo) + sSpace + LoFlags.Passed;
}
return(s);
}
public static String FormatFlags(
ModeFlags fmd, DrawFlags fdr, EGFlags feg, HiFlags fBlackHi, HiFlags fWhiteHi, LoFlags flo)
{
if (fmd == 0 && fdr == 0 && feg == 0 && fBlackHi == 0 && fWhiteHi == 0 && flo == 0)
{
return("None");
}
var sBlackHi = FormatFlags(fBlackHi);
var sWhiteHi = FormatFlags(fWhiteHi);
var sBlackHiLabelled = IsNullOrEmpty(sBlackHi) ? Empty : $"Black[{sBlackHi}]";
var sWhiteHiLabelled = IsNullOrEmpty(sWhiteHi) ? Empty : $"White[{sWhiteHi}]";
const Int32 nCapacity = 4;
var sFlags = new List <String>(nCapacity)
.AddNotEmpty(FormatFlags(fmd))
.AddNotEmpty(FormatFlags(fdr))
.AddNotEmpty(FormatFlags(feg))
.AddNotEmpty(sBlackHiLabelled)
.AddNotEmpty(sWhiteHiLabelled)
.AddNotEmpty(FormatFlags(flo));
return(Join(sSpace, sFlags));
}
