private static void RegisterSubType(Type type)
{
if (GrpcUtils.IgnoreTypeModel(type))
{
return;
}
var baseMetaType = GrpcUtils.Register(type.BaseType);
// need to generate predictable fieldIds, allow specifying with [Id(n)] or use MurmurHash2 hash function % 2^29-1,
var idAttr = type.FirstAttribute <IdAttribute>();
var fieldId = idAttr?.Id ?? Math.Abs(unchecked ((int)MurmurHash2.Hash(GetTypeName(type))));
fieldId = fieldId % MaxFieldId;
if (fieldId == default || (idAttr == null && fieldId < 50)) // min = 1, avoid hash conflicts with real field ids
{
fieldId += 50;
}