public static INTVField ReadINTV(this BinaryFileReader r, int length)
{
switch (length)
{
case 1: return(new INTVField {
Value = r.ReadByte()
});
case 2: return(new INTVField {
Value = r.ReadInt16()
});
case 4: return(new INTVField {
Value = r.ReadInt32()
});
case 8: return(new INTVField {
Value = r.ReadInt64()
});
default: throw new NotImplementedException($"Tried to read an INTV subrecord with an unsupported size ({length})");
}
}