private static uint Interleave3(ByteXYZ val)
{
unchecked
{
ulong x = (((ulong)val.X & 0x7F)) | (((ulong)val.Y & 0x7F) << 7) | (((ulong)val.Z & 0x7F) << 14);
x = (x | (x << 32)) & 0x001F00000000FFFFUL;
x = (x | (x << 16)) & 0x001F0000FF0000FFUL;
x = (x | (x << 8)) & 0x100F00F00F00F00FUL;
x = (x | (x << 4)) & 0x10C30C30C30C30C3UL;
x = (x | (x << 2)) & 0x1249249249249249UL;
return((uint)((x | (x >> 20) | (x >> 40)) & 0x1FFFFF));
}
}
// Region coords to sector name - based on https://bitbucket.org/Esvandiary/edts/src/master/pgnames.py
public static string GetSectorName(ByteXYZ pos)
{
if (CachedSectorsByCoords.ContainsKey(pos))
{
return(CachedSectorsByCoords[pos]);
}
else
{
int offset = (pos.Z << 14) + (pos.Y << 7) + pos.X;
string sectorname;
if (IsC1Sector(offset))
{
sectorname = GetC1Name(offset);
}
else
{
sectorname = GetC2Name(offset);
}
CachedSectorsByCoords[pos] = sectorname;
return(sectorname);
}
}
public static string GetC2SectorName(ByteXYZ pos)
{
return(GetC2Name((pos.Z << 14) + (pos.Y << 7) + pos.X));
}