ADOFAIRenderer/Core/FirstUpdateHook.cs

using ADOFAIRenderer.UI;
using UnityEngine;

namespace ADOFAIRenderer.Core
{
    [DefaultExecutionOrder(int.MinValue)]
    public class FirstUpdateHook : MonoBehaviour
    {
        private bool _checkedFFmpeg;

        private void Update()
        {
            if (!_checkedFFmpeg)
            {
                _checkedFFmpeg = true;
                FFmpegDownloadUI.ShowDownloadUI();
            }

            if (RenderManager.Instance)
            {
                RenderManager.Instance.OnPreRenderUpdate();
            }
        }
    }
}