/********************************************************************
	文件: GameObjectPool.cs
	作者: 梦语
	邮箱: 1982614048@qq.com
	创建时间: 2024/03/29 17:28:19
	最后修改: 梦语
	最后修改时间: 2024/04/12 17:55:05
	功能: 预制体对象池
*********************************************************************/
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

namespace Ether
{
	public class GameObjectPool
	{
		private GameObject root;
		private Queue<GameObject> gameObjectPool = new Queue<GameObject>();

		public GameObjectPool(string name, GameObject poolRoot)
		{
			root = new GameObject(name);
			root.transform.SetParent(poolRoot.transform);
		}

		public void Push(GameObject go)
		{
			gameObjectPool.Enqueue(go);
			go.transform.SetParent(root.transform);
			go.SetActive(false);
		}

		public GameObject Get(string assetName, Transform parent = null)
		{
			GameObject go;
			if (gameObjectPool.Count > 0)
			{
				go = gameObjectPool.Dequeue();
			}
			else
			{
                go = LoaderTools.LoadGameObjectAndInstantiateAsync(assetName, parent);
			}
			
			if (parent == null)
			{
				// 回归默认场景
				UnityEngine.SceneManagement.SceneManager.MoveGameObjectToScene(go, UnityEngine.SceneManagement.SceneManager.GetActiveScene());
			}
			else
			{
				go.transform.SetParent(parent);
				go.transform.localPosition = Vector3.zero;
			}
			go.SetActive(true);

			return go;
		}
		
		public GameObject Get(GameObject assetGo, Transform parent = null)
		{
			string assetName = assetGo.name;
			GameObject go;
			if (gameObjectPool.Count > 0)
			{
				go = gameObjectPool.Dequeue();
			}
			else
			{
                go = LoaderTools.Instantiate(assetGo, parent);
			}
			
			if (parent == null)
			{
				// 回归默认场景
				UnityEngine.SceneManagement.SceneManager.MoveGameObjectToScene(go, UnityEngine.SceneManagement.SceneManager.GetActiveScene());
			}
			else
			{
				go.transform.SetParent(parent);
				go.transform.localPosition = Vector3.zero;
			}
			go.SetActive(true);

			return go;
		}
		
		public int GetCount()
		{
			return gameObjectPool.Count;
		}
	}
}