52 lines
1.4 KiB
C#
52 lines
1.4 KiB
C#
using UnityEngine;
|
|
|
|
namespace A2W
|
|
{
|
|
public class Singleton<T> : MonoBehaviour where T : MonoBehaviour
|
|
{
|
|
private static T _instance;
|
|
private static object _lock = new object();
|
|
public static T instance
|
|
{
|
|
get
|
|
{
|
|
if (applicationIsQuitting)
|
|
{
|
|
return null;
|
|
}
|
|
lock (_lock)
|
|
{
|
|
if (_instance == null)
|
|
{
|
|
_instance = (T)FindObjectOfType(typeof(T));
|
|
|
|
if (FindObjectsOfType(typeof(T)).Length > 1)
|
|
{
|
|
return _instance;
|
|
}
|
|
|
|
if (_instance == null)
|
|
{
|
|
GameObject singleton = new GameObject();
|
|
_instance = singleton.AddComponent<T>();
|
|
singleton.name = "(singleton)" + typeof(T).ToString();
|
|
|
|
DontDestroyOnLoad(singleton);
|
|
}
|
|
}
|
|
|
|
return _instance;
|
|
}
|
|
}
|
|
}
|
|
|
|
private static bool applicationIsQuitting = false;
|
|
|
|
public void OnDestroy()
|
|
{
|
|
applicationIsQuitting = true;
|
|
}
|
|
}
|
|
}
|
|
|