UnityExplorer/src/Loader/ML/MelonLoaderConfigHandler.cs

#if ML
using MelonLoader;
using MelonLoader.Tomlyn.Model;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using UnityEngine;
using UnityExplorer.Core.Config;

namespace UnityExplorer.Loader.ML
{
    public class MelonLoaderConfigHandler : IConfigHandler
    {
        internal const string CTG_NAME = "UnityExplorer";

        internal MelonPreferences_Category prefCategory;

        public void Init()
        {
            prefCategory = MelonPreferences.CreateCategory(CTG_NAME, $"{CTG_NAME} Settings");

            MelonPreferences.Mapper.RegisterMapper(KeycodeReader, KeycodeWriter);
        }

        public void LoadConfig()
        {
            foreach (var entry in ConfigManager.ConfigElements)
            {
                var key = entry.Key;
                if (prefCategory.GetEntry(key) is MelonPreferences_Entry)
                {
                    var config = entry.Value;
                    config.BoxedValue = config.GetLoaderConfigValue();
                }
            }
        }

        public void RegisterConfigElement<T>(ConfigElement<T> config)
        {
            var entry = prefCategory.CreateEntry(config.Name, config.Value, null, config.IsInternal) as MelonPreferences_Entry<T>;
            
            entry.OnValueChangedUntyped += () => 
            {
                if ((entry.Value == null && config.Value == null) || config.Value.Equals(entry.Value))
                    return;

                config.Value = entry.Value;
            };
        }

        public void SetConfigValue<T>(ConfigElement<T> config, T value)
        {
            if (prefCategory.GetEntry<T>(config.Name) is MelonPreferences_Entry<T> entry)
            { 
                entry.Value = value;
                entry.Save();
                MelonPreferences.Save();
            }
        }

        public T GetConfigValue<T>(ConfigElement<T> config)
        {
            if (prefCategory.GetEntry<T>(config.Name) is MelonPreferences_Entry<T> entry)
                return entry.Value;

            return default;
        }

        public void SaveConfig()
        {
            // Not necessary
        }

        public static KeyCode KeycodeReader(TomlObject value)
        {
            try
            {
                KeyCode kc = (KeyCode)Enum.Parse(typeof(KeyCode), (value as TomlString).Value);

                if (kc == default)
                    throw new Exception();

                return kc;
            }
            catch
            {
                return KeyCode.F7;
            }
        }

        public static TomlObject KeycodeWriter(KeyCode value)
        {
            return MelonPreferences.Mapper.ToToml(value.ToString());
        }
    }
}

#endif