DontDestroyOnLoadCollector

DontDestroyOnLoadCollector.cs

using System.Linq;
using UnityEngine;
using UnityEngine.SceneManagement;

namespace Nekomimi.Daimao
{
    public static class DontDestroyOnLoadCollector
    {
        [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.BeforeSceneLoad)]
        private static void Register()
        {
            SceneManager.sceneLoaded += (scene, mode) =>
            {
                var ddol = CollectDontDestroyOnLoad();
                var separator = ", ";
                var s = string.Join(separator, ddol.Where(go => go != null).Select(go => go.name));
                Debug.Log($"DDOL_{scene.name} : {s}");
            };
        }

        public static GameObject[] CollectDontDestroyOnLoad()
        {
            var go = new GameObject(string.Empty);
            Object.DontDestroyOnLoad(go);
            var ddol = go.scene.GetRootGameObjects();
            Object.Destroy(go);
            return ddol.Where(o => o != null && !string.Equals(o.name, string.Empty)).ToArray();
        }
    }
}