77 lines
2.2 KiB
C#
77 lines
2.2 KiB
C#
using System;
|
||
using System.Collections;
|
||
using System.Collections.Generic;
|
||
using UnityEngine;
|
||
|
||
public class Singel : MonoBehaviour
|
||
{
|
||
|
||
}
|
||
|
||
|
||
public class BaseSingleton<T> where T : new()
|
||
{
|
||
private static T instance;
|
||
//保护构造函数，保证单例只能在内部创建
|
||
protected BaseSingleton() { }
|
||
public static T Instance
|
||
{
|
||
get
|
||
{
|
||
if (instance == null)
|
||
{
|
||
instance = new T();
|
||
}
|
||
return instance;
|
||
}
|
||
}
|
||
}
|
||
public abstract class MonoSingleton<T> : MonoBehaviour where T : MonoSingleton<T>
|
||
{
|
||
private static T instance;
|
||
private readonly static object obj = new object();
|
||
public static T Instance
|
||
{
|
||
get
|
||
{
|
||
if (instance != null) { return instance; }
|
||
lock (obj)
|
||
{
|
||
Type type = typeof(T);
|
||
|
||
// 改用 Resources.FindObjectsOfTypeAll 来查找所有的实例（包括禁用的对象）
|
||
T[] instances = Resources.FindObjectsOfTypeAll<T>();
|
||
// 如果场景中存在多个实例，抛出异常
|
||
if (instances.Length > 1)
|
||
{
|
||
Debug.Log(new Exception(string.Format("Singleton类型{0}存在多个实例", type.Name)));
|
||
instance = instances[0]; // 默认选择第一个实例
|
||
return instance;
|
||
}
|
||
|
||
// 如果场景中找到了唯一的实例，直接返回
|
||
if (instances.Length == 1)
|
||
{
|
||
instance = instances[0];
|
||
return instance;
|
||
}
|
||
|
||
// 如果没有找到实例，实例化一个空物体并添加T脚本
|
||
instance = new GameObject("Singleton Of " + typeof(T).Name.ToString(), typeof(T)).GetComponent<T>();
|
||
Debug.LogError("创建了新的");
|
||
return instance;
|
||
}
|
||
}
|
||
}
|
||
|
||
virtual public void Awake()
|
||
{
|
||
// 如果 `instance` 已经被初始化（即通过 `Instance` 属性），销毁当前挂载的实例
|
||
if (instance == null)
|
||
{
|
||
instance = this as T;
|
||
}
|
||
}
|
||
}
|
||
|