public static bool HasExtra(this ushort flags, ITerrainExtra extra)
{
if (extra == null || extra.DataId == -1)
{
return(false);
}
return(flags.Read(extra.DataId));
}
public static ushort AddExtra(this ushort flags, ITerrainExtra extra)
{
if (extra.Requires != null)
{
if (!flags.HasExtra(extra.Requires))
{
flags = flags.AddExtra(extra.Requires);
}
}
if (extra.DataId != -1)
{
flags = flags.Write(extra.DataId, true);
}
return(flags);
}
