62 lines
1.9 KiB
C#
62 lines
1.9 KiB
C#
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using UnityEngine;
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namespace Core
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{
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/// <summary>
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/// MonoBehavior抽象单例基类。确保继承类在场景中只有一个实例，并提供全局访问点。
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/// </summary>
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/// <typeparam name="T">必须是继承自MonoBehaviour的类型。</typeparam>
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public class MonoSingleton<T> : MonoBehaviour where T : MonoBehaviour
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{
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// 存储单例实例
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private static T instance;
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/// <summary>
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/// 静态公共属性，用于获取单例实例（延迟加载）。
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/// </summary>
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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 (instance == null)
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{
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// 尝试在场景中查找现有实例
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instance = FindObjectOfType<T>();
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if (instance == null)
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{
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// 如果没有，则创建新的游戏对象并附加该组件
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GameObject gameObject = new GameObject(typeof(T).Name);
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instance = gameObject.AddComponent<T>();
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}
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}
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return instance;
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}
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}
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protected virtual void Awake()
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{
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// 将当前对象设置为单例实例
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if (instance == null)
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{
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instance = this as T;
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return;
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}
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// 如果场景中已存在其他实例，则销毁当前重复的对象
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if (instance != this as T)
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{
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Destroy(gameObject);
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}
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}
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//清除静态实例，以防止在特定情况下出现“幽灵”实例。
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protected virtual void OnDestroy()
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{
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if (instance == this)
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{
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instance = null;
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}
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}
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}
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}
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