using UnityEngine;
using System.Collections;
using UnityEngine.UI;
using AX.MessageSystem;
public class SceneProgressBar : MonoBehaviour {



    //异步对象    
    private AsyncOperation _asyncOperation;
    //显示tips的文本  
    public Text _tip;
    //tips的集合  
    private string[] _tips = new string[]  
    {  
        ".",  
        "..",  
        "...",  
        "...."  
    };
    //更新tips的时间间隔  
    private const float _updateTime = 0.3f;
    //上次更新的时间  
    private float _lastUpdateTime = 0;
    //滑动条  
    //public Slider _slider;
    //显示进度的文本  
    //public Text _progress;
    // Use this for initialization  

    public static string SceneName;
    void Start()
    {
        EquipSubmit.costSelectedEquips.Clear();
        EquipSubmit.unCostSelectedEquips.Clear();
        SceneProGress();
        //this.gameObject.SetActive(false);
    }
    void SceneProGress()
    {
        StartCoroutine(LoadAsync(SceneName));
    }
    void OnDestroy()
    {
        //MessageDispatcher.RemoveListener("SceneProGress", SceneProGress);
    }
    // Update is called once per frame  
    void Update()
    {
        //首先判断是否为空，其次判断是否加载完毕  
   
            //开始更新tips  
            if (Time.time - _lastUpdateTime >= _updateTime)
            {
                _lastUpdateTime = Time.time;
                SetTip();
            }
            if (kong)
            {
                i += Time.deltaTime;
                if (i > 4)
                {
                    _asyncOperation.allowSceneActivation = true;
                    kong = false;
                }
            }
    }
    /// <summary>  
    /// 设置加载标签  
    /// </summary>  
    int temp=0;
    float i = 0;
    private void SetTip()
    {
        if (temp > 3)
        {
            temp = 0;
        }
        _tip.text = _tips[temp];
        temp++;
       
    }
    bool kong = false;
    /// <summary>  
    /// 携程进行异步加载场景  
    /// </summary>  
    /// <param name="sceneName">需要加载的场景名</param>  
    /// <returns></returns>  
    IEnumerator LoadAsync(string sceneName)
    {
        //当前进度  
        int currentProgress = 0;
        //目标进度  
        int targetProgress = 0;
        //_asyncOperation = MySceneManager.LoadSceneAsync(sceneName);
        _asyncOperation = MySceneManager.LoadSceneAsync(1);
       //unity 加载90%  
       _asyncOperation.allowSceneActivation = false;
        while (_asyncOperation.progress < 0.9f)
        {
            targetProgress = (int)_asyncOperation.progress * 100;
            //平滑过渡  
            while (currentProgress < targetProgress)
            {
                ++currentProgress;

                yield return new WaitForEndOfFrame();
            }
        }
        //自行加载剩余的10%  
        targetProgress = 100;
        while (currentProgress < targetProgress)
        {
            ++currentProgress;
            yield return new WaitForEndOfFrame();
        }
        kong = true;
    }  
}