ProjectDDD/Assets/_DDD/_Scripts/GameFramework/GameManager.cs

using System.Collections.Generic;
using UnityEngine;

namespace DDD
{
    public class GameManager : Singleton<GameManager>
    {
        [SerializeField]
        private ManagerDefinitionSo _managerDefinitionSo;
        
        private List<Singleton> _managerInstances;
        
        protected async void Start()
        {
            base.OnAwake();
            
            if (_managerDefinitionSo == null)
            {
                Debug.LogError("_managerDefinitionSo");
                return;
            }

            EventBus.ClearAll();
            
            // 매니저 초기화
            _managerInstances = new List<Singleton>(_managerDefinitionSo.ManagerClasses.Count);

            foreach (var managerObject in _managerDefinitionSo.ManagerClasses)
            {
                var managerInstance = Instantiate(managerObject);
                managerInstance.name = managerObject.name;
                
                _managerInstances.Add(managerInstance);
                if (managerInstance is IManager manager)
                {
                    manager.PreInit();
                }
            }
            
            foreach (var managerInstance in _managerInstances)
            {
                if (managerInstance is IManager manager)
                {
                    await manager.Init();
                }
            }
            foreach (var managerInstance in _managerInstances)
            {
                if (managerInstance is IManager manager)
                {
                    manager.PostInit();
                }
            }
        }
    }
}