TuanTuan-Engine/Assets/GameFramework/Runtime/SingletonMono.cs

using UnityEngine;

namespace Tuan.GameFramework
{
    public class SingletonMono<T> : MonoBehaviour where T : MonoBehaviour
    {
        private static T _instance;
        private static readonly object _lock = new object();
        public static T Inst
        {
            get
            {
                lock (_lock)
                {
                    if (_instance == null)
                    {
                        _instance = FindAnyObjectByType<T>();

                        if (_instance == null)
                        {
                            GameObject singletonObject = new GameObject(typeof(T).Name);
                            DontDestroyOnLoad(singletonObject);
                            _instance = singletonObject.AddComponent<T>();
                            Debug.Log($"实例化{singletonObject.name}");
                        }
                    }
                    return _instance;
                }
            }
        }
    }
}