using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using UnityEngine;

public class SubPool
{
    //集合
    List<GameObject> m_objecs = new List<GameObject>();

    //预设
    GameObject m_prefab;

 


    //名字
    public string Name
    {
        get
        {
            return m_prefab.name;
        }
    }

    public SubPool( GameObject go)
    {
        m_prefab = go;
       
    }

    //取出物体
    public GameObject Spawn(Transform m_parent)
    {
        GameObject go = null;
        foreach (var obj in m_objecs)
        {

            if (!obj.activeSelf)
            {
                go = obj;
            }
        }

        if (go == null)
        {
            go = GameObject.Instantiate<GameObject>(m_prefab, m_parent.position,Quaternion.identity,m_parent);
            go.transform.eulerAngles = m_parent.eulerAngles;
            m_objecs.Add(go);
        }
        else
        {
            go.transform.SetParent(m_parent);
            go.transform.position = m_parent.position;
            go.transform.eulerAngles = m_parent.eulerAngles;
        }
        go.SetActive(true);
        go.SendMessage("OnSpawn", SendMessageOptions.DontRequireReceiver);
        return go;
    }

   

    //回收物体
    public void UnSpawn(GameObject go)
    {
        if (Contain(go))
        {
            go.SendMessage("OnUnSpawn", SendMessageOptions.DontRequireReceiver);
            go.SetActive(false);
        }
    }


    //回收所有
    public void UnspawnAll()
    {
        foreach (var obj in m_objecs)
        {

            if (obj.activeSelf)
            {
                UnSpawn(obj);
            }
        }

    }

    //判断是否属于list里边
    public bool Contain(GameObject  go) {

        return m_objecs.Contains(go);
    
    }
}