using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Events;
using UnityEngine.SceneManagement;

public class ScenesManager
{
    public ScenesManager() { }
    /// <summary>
    /// 同步加载场景
    /// </summary>
    /// <param name="sceneName">场景名称</param>
    /// <param name="action">场景加载后需要做的</param>
    public void LoadScene(string sceneName, UnityAction action = null,
        LoadSceneMode loadSceneMode = LoadSceneMode.Single)
    {
        SceneManager.LoadScene(sceneName, loadSceneMode);
        action?.Invoke();
    }

    /// <summary>
    /// 异步加载场景
    /// </summary>
    /// <param name="sceneName">场景名称</param>
    /// <param name="action">委托</param>
    /// <param name="loadSceneMode">加载场景方式</param>
    public void LoadSceneAsyn(MonoBehaviour taget, string sceneName, UnityAction action = null,
        LoadSceneMode loadSceneMode = LoadSceneMode.Single)
    {
        taget.StartCoroutine(ReallyLoadScene(sceneName, action));
    }

    /// <summary>
    /// 协程加载场景
    /// </summary>
    /// <param name="sceneName">场景名称</param>
    /// <param name="action">委托</param>
    /// <param name="loadSceneMode">加载场景方式</param>
    /// <returns></returns>
    private IEnumerator ReallyLoadScene(string sceneName, UnityAction action = null,
        LoadSceneMode loadSceneMode = LoadSceneMode.Single)
    {
        AsyncOperation ao = SceneManager.LoadSceneAsync(sceneName, loadSceneMode);
        while (!ao.isDone)
        {
            action?.Invoke();
            yield return null;
        }
    }
}