using System;
using System.Collections.Generic;

namespace BehaviorDesigner.Runtime
{
	public static class ObjectPool
	{
		private static Dictionary<Type, object> poolDictionary = new Dictionary<Type, object>();

		public static T Get<T>()
		{
			if (poolDictionary.ContainsKey(typeof(T)))
			{
				List<T> list = poolDictionary[typeof(T)] as List<T>;
				if (list.Count > 0)
				{
					T result = list[0];
					list.RemoveAt(0);
					return result;
				}
			}
			return (T)TaskUtility.CreateInstance(typeof(T));
		}

		public static void Return<T>(T obj)
		{
			if (obj != null)
			{
				if (poolDictionary.ContainsKey(typeof(T)))
				{
					List<T> list = poolDictionary[typeof(T)] as List<T>;
					list.Add(obj);
				}
				else
				{
					List<T> list2 = new List<T>();
					list2.Add(obj);
					poolDictionary.Add(typeof(T), list2);
				}
			}
		}
	}
}