83 lines
2.0 KiB
C#
83 lines
2.0 KiB
C#
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using UnityEngine;
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internal interface I_Singleton
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{
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}
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public abstract class Singleton_Mono<T> : MonoBehaviour, I_Singleton where T : Singleton_Mono<T>
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{
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private static T singleton;
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private static object _lock = new object();
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public static T Singleton
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{
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get
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{
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if (singleton == null)
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{
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lock (_lock)
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{
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T obj = SceneObjectLookupCache.FindFirst<T>();
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if (obj != null)
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{
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obj.TryGetComponent(out Singleton_Mono<T> s);
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}
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if (obj == null)
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{
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var gameObj = new GameObject(typeof(T).Name);
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obj = gameObj.AddComponent<T>();
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if (!obj.Is_Singleton_Auto())
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{
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Destroy(obj.gameObject);
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return null;
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}
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}
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singleton = obj;
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}
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}
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return singleton;
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}
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}
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private void Awake()
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{
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var s = Singleton;
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if (s != null && singleton != this) Destroy(gameObject);
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if (s != this) return;
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Init();
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}
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public T Init()
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{
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if (singleton == this)
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{
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In_Init();
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}
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return singleton;
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}
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protected abstract bool Is_Singleton_Auto();
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protected abstract void In_Init();
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protected virtual void OnDestroy()
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{
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if (singleton == this)
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{
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singleton = null;
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}
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}
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}
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public class Singleton_Static<T> where T : new()
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{
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protected static T singleton;
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private static object _lock = new object();
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public static T Singleton
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{
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get
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{
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if (singleton == null)
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{
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lock (_lock)
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{
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singleton ??= new T();
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}
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}
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return singleton;
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}
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}
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}
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