MiraAPI/MiraAPI/Utilities/Assets/SpriteTools.cs

using Il2CppInterop.Runtime;
using Il2CppInterop.Runtime.InteropTypes.Arrays;
using Reactor.Utilities.Extensions;
using System;
using System.Reflection;
using UnityEngine;

namespace MiraAPI.Utilities.Assets
{
    public static class SpriteTools
    {
        private delegate bool DLoadImage(IntPtr tex, IntPtr data, bool markNonReadable);

        private static DLoadImage _iCallLoadImage;

        private static bool LoadImage(Texture2D tex, byte[] data, bool markNonReadable)
        {
            _iCallLoadImage ??= IL2CPP.ResolveICall<DLoadImage>("UnityEngine.ImageConversion::LoadImage");

            var il2CPPArray = (Il2CppStructArray<byte>)data;

            return _iCallLoadImage.Invoke(tex.Pointer, il2CPPArray.Pointer, markNonReadable);
        }

        public static Sprite LoadSpriteFromPath(string resourcePath)
        {
            var tex = new Texture2D(1, 1, TextureFormat.ARGB32, false);
            var assembly = Assembly.GetExecutingAssembly();
            var myStream = assembly.GetManifestResourceStream(resourcePath);
            if (myStream != null)
            {
                var buttonTexture = myStream.ReadFully();
                LoadImage(tex, buttonTexture, false);
            }

            return Sprite.Create(tex, new Rect(0, 0, tex.width, tex.height), new Vector2(0.5f, 0.5f));
        }
    }
}