using System;
using UnityEngine;

namespace ProBuilder2.Common
{
	// Token: 0x02000033 RID: 51
	public class pb_MonoBehaviourSingleton<T> : MonoBehaviour where T : MonoBehaviour
	{
		// Token: 0x17000017 RID: 23
		// (get) Token: 0x06000155 RID: 341 RVA: 0x0000E840 File Offset: 0x0000CC40
		public static T instance
		{
			get
			{
				if (pb_MonoBehaviourSingleton<T>.nullableInstance == null)
				{
					pb_MonoBehaviourSingleton<T>._instance = new GameObject
					{
						name = typeof(T).ToString()
					}.AddComponent<T>();
				}
				return (T)((object)pb_MonoBehaviourSingleton<T>._instance);
			}
		}

		// Token: 0x17000018 RID: 24
		// (get) Token: 0x06000156 RID: 342 RVA: 0x0000E898 File Offset: 0x0000CC98
		public static T nullableInstance
		{
			get
			{
				if (pb_MonoBehaviourSingleton<T>._instance == null)
				{
					T[] array = Resources.FindObjectsOfTypeAll<T>();
					if (array != null && array.Length > 0)
					{
						pb_MonoBehaviourSingleton<T>._instance = array[0];
						for (int i = 1; i < array.Length; i++)
						{
							global::UnityEngine.Object.DestroyImmediate(array[i]);
						}
					}
				}
				return (T)((object)pb_MonoBehaviourSingleton<T>._instance);
			}
		}

		// Token: 0x06000157 RID: 343 RVA: 0x0000E90A File Offset: 0x0000CD0A
		public static bool Valid()
		{
			return pb_MonoBehaviourSingleton<T>.nullableInstance != null;
		}

		// Token: 0x06000158 RID: 344 RVA: 0x0000E91C File Offset: 0x0000CD1C
		public virtual void Awake()
		{
			if (pb_MonoBehaviourSingleton<T>._instance == null)
			{
				pb_MonoBehaviourSingleton<T>._instance = this;
			}
			else
			{
				global::UnityEngine.Object.Destroy(this);
			}
		}

		// Token: 0x06000159 RID: 345 RVA: 0x0000E93F File Offset: 0x0000CD3F
		public virtual void OnEnable()
		{
			pb_MonoBehaviourSingleton<T>._instance = this;
		}

		// Token: 0x04000131 RID: 305
		private static MonoBehaviour _instance;
	}
}