Studio/Assets/Scripts/CustomMessagePackResolver.cs

using UnityEngine;
using MessagePack;
using MessagePack.Formatters;
using MessagePack.Resolvers;
using System;
using System.Collections.Generic; 
public class CustomMessagePackResolver : IFormatterResolver
{
    public static readonly IFormatterResolver Instance = new CustomMessagePackResolver();

    private static readonly Dictionary<Type, object> formatters = new Dictionary<Type, object>
    {
        { typeof(Studio.Manage.MaterialPropertyData), new MessagePack.Formatters.XED.Manage.MaterialPropertyDataFormatter() },
        { typeof(Studio.Manage.ModelData), new MessagePack.Formatters.XED.Manage.ModelDataFormatter() },
        { typeof(Studio.Manage.SaveData), new MessagePack.Formatters.XED.Manage.SaveDataFormatter() },
        { typeof(Studio.Manage.SavedModelData), new MessagePack.Formatters.XED.Manage.SavedModelDataFormatter() },
        { typeof(Studio.Manage.SerializableMesh), new MessagePack.Formatters.XED.Manage.SerializableMeshFormatter() },
        { typeof(Studio.Manage.SerializableQuaternion), new MessagePack.Formatters.XED.Manage.SerializableQuaternionFormatter() },
        { typeof(Studio.Manage.SerializableVector2), new MessagePack.Formatters.XED.Manage.SerializableVector2Formatter() },
        { typeof(Studio.Manage.SerializableVector3), new MessagePack.Formatters.XED.Manage.SerializableVector3Formatter() },
        { typeof(Studio.Manage.SubmeshData), new MessagePack.Formatters.XED.Manage.SubmeshDataFormatter() },
        { typeof(Studio.Manage.TextureData), new MessagePack.Formatters.XED.Manage.TextureDataFormatter() },
        { typeof(Studio.Manage.TransformData), new MessagePack.Formatters.XED.Manage.TransformDataFormatter() },
    };

    public IMessagePackFormatter<T> GetFormatter<T>()
    {
        if (formatters.TryGetValue(typeof(T), out var formatter))
        {
            return (IMessagePackFormatter<T>)formatter;
        }
        return StandardResolver.Instance.GetFormatter<T>();  
    }
}