任务五：对象池优化

  1 using System.Collections;
  2 using System.Collections.Generic;
  3 using UnityEngine;
  4 
  5 /// <summary>
  6 /// 抽屉数据  池子一列容器
  7 /// </summary>
  8 public class poolData
  9 {
 10     //抽屉中对象挂载的父节点
 11     public GameObject fatherObj;
 12     //对象的容器
 13     public List<GameObject> poolList;
 14 
 15 
 16     public poolData(GameObject obj,GameObject poolObj)
 17     {
 18         //给我们的抽屉 创建一个父对象，并且把他作为我们Pool（衣柜）对象的子物体
 19         fatherObj = new GameObject(obj.name);
 20         fatherObj.transform.parent = poolObj.transform;
 21         poolList = new List<GameObject>() { };
 22         PushObj(obj);
 23     }
 24 
 25 
 26     /// <summary>
 27     /// 往抽屉里面，压东西
 28     /// 
 29     /// </summary>
 30     /// <param name="obj"></param>
 31     public void PushObj(GameObject obj)
 32     {
 33         //东西放进来了，要把他失活，让其隐藏
 34         obj.SetActive(false);
 35         //存起来
 36         poolList.Add(obj);
 37         //设置父对象
 38         obj.transform.parent = fatherObj.transform;
 39        
 40     }
 41 
 42     /// <summary>
 43     /// 从抽屉里面取东西
 44     /// 
 45     /// </summary>
 46     /// <returns></returns>
 47     public GameObject GetObj()
 48     {
 49         GameObject obj = null;
 50 
 51         
 52         obj = poolList[0];
 53         poolList.RemoveAt(0);           
 54 
 55         //断开父子联系
 56         obj.transform.parent = null;
 57         //取出东西的时候要激活它，让其显示
 58         obj.SetActive(true);
 59 
 60         return obj;
 61     }
 62 }
 63 
 64 
 65 
 66 
 67 //缓存池模块
 68 public class PoolMgr : BaseManager<PoolMgr>
 69 {
 70 
 71     //1，创建抽屉
 72     public Dictionary<string, poolData> poolDic = new Dictionary<string, poolData>();
 73 
 74     private GameObject poolObj;
 75 
 76 
 77     //2，取出物品
 78     public GameObject GetObj(string name)
 79     {
 80         GameObject obj = null;
 81 
 82         //有抽屉，并且抽屉里的东西数量大于0   poolDic[name]==List<GameObject>
 83         if (poolDic.ContainsKey(name) && poolDic[name].poolList.Count > 0) 
 84         {
 85             obj = poolDic[name].GetObj();
 86            
 87         }
 88         else
 89         {
 90             obj = GameObject.Instantiate(Resources.Load<GameObject>(name));
 91             //把对象名字改的和池子名字一样
 92             obj.name = name;
 93         }
 94 
 95         return obj;
 96     }
 97 
 98 
 99     //3，放入物品
100     /// <summary>
101     /// 把物体移回对象池中
102     /// </summary>
103     /// <param name="name">要移回的物品名字</param>
104     /// <param name="obj">要移回到的箱子</param>
105     public void PushObj(string name,GameObject obj)
106     {
107 
108         if (poolObj == null)
109         {
110             poolObj = new GameObject("pool");
111             
112         }
113         
114         //里面有抽屉
115         if (poolDic.ContainsKey(name))
116         {
117             poolDic[name].PushObj(obj);
118         }
119         else  //没有抽屉的时候，要创建一个抽屉
120         {
121             poolDic.Add(name,new poolData(obj,poolObj) { });
122         }
123 
124     }
125 
126     /// <summary>
127     /// 清空缓存池的方法
128     /// 主要用在场景切换时
129     /// </summary>
130     public void Clear()
131     {
132         //清空缓存池
133         poolDic.Clear();
134 
135         poolObj = null;
136     }
137 
138 }