jongjae0305
110 lines
1.9 KiB
C#
110 lines
1.9 KiB
C#
using System;
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using UnityEngine;
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namespace Platinio
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{
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/// <summary>
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/// Basic singleton class
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/// </summary>
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public class Singleton<T> : MonoBehaviour where T : Singleton<T>
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{
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private static T m_instance = null;
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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(m_instance == null)
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{
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//get all the singletones
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T[] singletons = FindObjectsByType<T>(FindObjectsSortMode.None);
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if(singletons != null)
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{
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if(singletons.Length == 1)
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{
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m_instance = singletons[0];
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return m_instance;
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}
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else if(singletons.Length > 1)
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{
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Debug.LogWarning("You have more thah one " + typeof( T ).Name + " In the scene, you only need one , all the instances will be destroyed for create a new one");
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m_instance = singletons[0];
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for(int n = 1 ; n < singletons.Length ; n++)
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{
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Destroy( singletons[n].gameObject );
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}
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return m_instance;
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}
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}
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}
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return m_instance;
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}
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}
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public static bool ApplicationIsQuitting = false;
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public static event Action<T> OnInstanceCreated = null;
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public static bool DestroyOnLoad
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{
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get
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{
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return m_instance.m_destroyOnLoad;
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}
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}
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[SerializeField] protected bool m_destroyOnLoad = true;
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protected virtual void Awake()
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{
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if( !ReferenceEquals( (object)instance , (object)gameObject.GetComponent<T>() ))
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{
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//destroy repeat instance
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Destroy(gameObject);
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}
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}
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protected virtual void Start()
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{
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//get the instance
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T singleton = instance;
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if (!DestroyOnLoad && instance.transform.parent != null)
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{
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instance.transform.parent = null;
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}
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if(!DestroyOnLoad)
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{
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DontDestroyOnLoad( m_instance );
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}
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OnInstanceCreated?.Invoke(instance);
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}
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protected virtual void OnApplicationQuit()
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{
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ApplicationIsQuitting = true;
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}
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}
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}
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