BepInEx/BepInEx.UnityMono/UnityTomlTypeConverters.cs

using System;
using System.Runtime.CompilerServices;
using BepInEx.Configuration;
using UnityEngine;

namespace BepInEx.UnityMono;

/// <summary>
///     Config types that are unity specific
/// </summary>
internal static class UnityTomlTypeConverters
{
    [MethodImpl(MethodImplOptions.NoInlining)]
    public static void AddUnityEngineConverters()
    {
        var colorConverter = new TypeConverter
        {
            ConvertToString = (obj, type) => ColorUtility.ToHtmlStringRGBA((Color) obj),
            ConvertToObject = (str, type) =>
            {
                if (!ColorUtility.TryParseHtmlString("#" + str.Trim('#', ' '), out var c))
                    throw new FormatException("Invalid color string, expected hex #RRGGBBAA");
                return c;
            }
        };

        TomlTypeConverter.AddConverter(typeof(Color), colorConverter);

        var jsonConverter = new TypeConverter
        {
            ConvertToString = (obj, type) => JsonUtility.ToJson(obj),
            ConvertToObject = (str, type) => JsonUtility.FromJson(type: type, json: str)
        };

        TomlTypeConverter.AddConverter(typeof(Vector2), jsonConverter);
        TomlTypeConverter.AddConverter(typeof(Vector3), jsonConverter);
        TomlTypeConverter.AddConverter(typeof(Vector4), jsonConverter);
        TomlTypeConverter.AddConverter(typeof(Quaternion), jsonConverter);
    }
}