101 lines
2.5 KiB
C#
101 lines
2.5 KiB
C#
//==================================================================================
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//==================================================================================
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//----------------------------------------------------------------------------
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//----------------------------------------------------------------------------
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using UnityEngine;
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/// 单件类，非MonoBehaviour类型继承（线程安全）
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/// @单件实例必须在代码中显式创建, GetInstance()不创建实例
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/// @bhy
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/// @2019.01.03
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/// 非MonoBehaviour类型的单件辅助基类，利用C#的语法性质简化单件类的定义和使用
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/// @T : 单件子类型
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public class Singleton<T> where T : class, new()
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{
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//单件子类实例
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private static T s_instance;
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protected Singleton()
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{
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}
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//--------------------------------------
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/// 创建单件实例
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//--------------------------------------
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public static void CreateInstance()
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{
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if (s_instance == null)
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{
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s_instance = new T();
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(s_instance as Singleton<T>).Init();
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}
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}
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//--------------------------------------
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/// 删除单件实例
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//--------------------------------------
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public static void DestroyInstance()
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{
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if (s_instance != null)
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{
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(s_instance as Singleton<T>).UnInit();
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s_instance = null;
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}
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}
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public static T Instance
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{
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get
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{
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if (s_instance == null)
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{
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CreateInstance();
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}
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return s_instance;
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}
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}
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//--------------------------------------
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/// 返回单件实例
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//--------------------------------------
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public static T GetInstance()
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{
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if (s_instance == null)
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{
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CreateInstance();
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}
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return s_instance;
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}
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//--------------------------------------
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/// 是否被实例化
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//--------------------------------------
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public static bool HasInstance()
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{
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return (s_instance != null);
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}
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//--------------------------------------
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/// 初始化
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/// @需要在派生类中实现
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//--------------------------------------
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public virtual void Init()
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{
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}
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//--------------------------------------
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/// 反初始化
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/// @需要在派生类中实现
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//--------------------------------------
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public virtual void UnInit()
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{
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}
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}
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