问不支持Protobuf-net & IL2CPP - System.Reflection.Emit

EN

using Assembly = UnityEditor.Compilation.Assembly;
private static void BuildMyProtoModel()
{
    RuntimeTypeModel typeModel = TypeModel.Create();

    foreach (var t in GetTypes(CompilationPipeline.GetAssemblies(AssembliesType.Player)))
    {
        var contract = t.GetCustomAttributes(typeof(ProtoContractAttribute), false);
        if (contract.Length > 0)
        {
            MetaType metaType = typeModel.Add(t, true);

            // support ISerializationCallbackReceiver
            if (typeof(ISerializationCallbackReceiver).IsAssignableFrom(t))
            {
                MethodInfo beforeSerializeMethod = t.GetMethod("OnBeforeSerialize");
                MethodInfo afterDeserializeMethod = t.GetMethod("OnAfterDeserialize");

                metaType.SetCallbacks(beforeSerializeMethod, null, null, afterDeserializeMethod);
            }

            //add unity types
            typeModel.Add(typeof(Vector2), false).Add("x", "y");
            typeModel.Add(typeof(Vector3), false).Add("x", "y", "z");
        }
    }

    typeModel.Compile("MyProtoModel", "MyProtoModel.dll"); //build model
    string protoSchema = typeModel.GetSchema(null);//content for .proto file, you can generate a proto file for a specific type by passing it instead of null
}

private static IEnumerable<Type> GetTypes(IEnumerable<Assembly> assemblies)
{
    foreach (Assembly assembly in assemblies)
    {
        foreach (Type type in AppDomain.CurrentDomain.Load(assembly.name).GetTypes())
        {
            yield return type;
        }
    }
}

TypeModel typeModel = new MyProtoModel();