using System;
using UnityEngine;

namespace SUISS.Core
{
	public abstract class StaticMonoBehaviour<T> : MonoBehaviour where T : StaticMonoBehaviour<T>
	{
		public static bool IsAvailable
		{
			get
			{
				return !object.ReferenceEquals(StaticMonoBehaviour<T>._instance, null);
			}
		}

		public static T Instance
		{
			get
			{
				if (object.ReferenceEquals(StaticMonoBehaviour<T>._instance, null))
				{
					UnityEngine.Debug.LogWarning("Could not find an instance of " + typeof(T).Name + ". Make sure it is in the scene and to give it time for its Awake() to be called.");
					return (T)((object)null);
				}
				return StaticMonoBehaviour<T>._instance;
			}
		}

		protected virtual void Awake()
		{
			if (object.ReferenceEquals(StaticMonoBehaviour<T>._instance, null))
			{
				StaticMonoBehaviour<T>._instance = (T)((object)this);
			}
			else
			{
				UnityEngine.Debug.LogError("Found multiple instances of " + typeof(T).Name + " in the scene.");
			}
		}

		protected virtual void OnDestroy()
		{
			if (object.ReferenceEquals(StaticMonoBehaviour<T>._instance, this))
			{
				StaticMonoBehaviour<T>._instance = (T)((object)null);
			}
		}

		private static T _instance;
	}
}