using System;
using System.Collections;
using UnityEngine;

namespace ProBuilder2.Common
{
	// Token: 0x02000035 RID: 53
	public class pb_ObjectPool<T> where T : global::UnityEngine.Object, new()
	{
		// Token: 0x060001A7 RID: 423 RVA: 0x00016988 File Offset: 0x00014D88
		public pb_ObjectPool(int initialSize, int desiredSize, Func<T> constructor, Action<T> destructor)
		{
			this.constructor = constructor;
			Action<T> action;
			if (destructor == null)
			{
				action = new Action<T>(pb_ObjectPool<T>.DestroyObject);
			}
			else
			{
				action = destructor;
			}
			this.destructor = action;
			this.desiredSize = desiredSize;
			int num = 0;
			while (num < initialSize && num < desiredSize)
			{
				this.pool.Enqueue((constructor == null) ? new T() : constructor());
				num++;
			}
		}

		// Token: 0x060001A8 RID: 424 RVA: 0x00016A24 File Offset: 0x00014E24
		public T Get()
		{
			T t = ((this.pool.Count <= 0) ? ((T)((object)null)) : ((T)((object)this.pool.Dequeue())));
			if (t == null)
			{
				t = ((this.constructor != null) ? this.constructor() : new T());
			}
			return t;
		}

		// Token: 0x060001A9 RID: 425 RVA: 0x00016A91 File Offset: 0x00014E91
		public void Put(T obj)
		{
			if (this.pool.Count < this.desiredSize)
			{
				this.pool.Enqueue(obj);
			}
			else
			{
				global::UnityEngine.Object.DestroyImmediate(obj);
			}
		}

		// Token: 0x060001AA RID: 426 RVA: 0x00016ACC File Offset: 0x00014ECC
		public void Empty()
		{
			int count = this.pool.Count;
			for (int i = 0; i < count; i++)
			{
				if (this.destructor != null)
				{
					this.destructor((T)((object)this.pool.Dequeue()));
				}
				else
				{
					pb_ObjectPool<T>.DestroyObject((T)((object)this.pool.Dequeue()));
				}
			}
		}

		// Token: 0x060001AB RID: 427 RVA: 0x00016B37 File Offset: 0x00014F37
		private static void DestroyObject(T obj)
		{
			global::UnityEngine.Object.DestroyImmediate(obj);
		}

		// Token: 0x060001AC RID: 428 RVA: 0x00016B44 File Offset: 0x00014F44
		private void OnDestroy()
		{
			this.Empty();
		}

		// Token: 0x04000147 RID: 327
		public int desiredSize;

		// Token: 0x04000148 RID: 328
		public Func<T> constructor;

		// Token: 0x04000149 RID: 329
		public Action<T> destructor;

		// Token: 0x0400014A RID: 330
		private Queue pool = new Queue();
	}
}