using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.SceneManagement;
using DG.Tweening;

/// <summary>
/// 圣火点燃开始游戏的流程管理
/// </summary>
public class FireController : MonoBehaviour
{
    private void OnTriggerEnter2D(Collider2D other) {
        if(other.TryGetComponent<Person>(out var person)) {
            //当人进入点燃圣火触发器
            StartCoroutine(LightFireCoroutine());
        }
    }
    public Transform target;
    private IEnumerator LightFireCoroutine(){
        //把马的刚体速度建为0
        FindObjectOfType<Horse>().GetComponent<Rigidbody2D>().velocity = Vector2.zero;
        //切断输入
        Player.Instance.ToNullMap();
        //渐渐显示火把
        SpriteRenderer fire = GameObject.Find("火炬（不可改名）").GetComponent<SpriteRenderer>();
        fire.DOFade(1,2);
        yield return new WaitForSeconds(2);
        
        //此时人手中火炬显示
        
        //点燃引线
        GameObject fireLine = GameObject.Find("Scene").transform.Find("燃烧的引线").gameObject;
        fireLine.SetActive(true);
        fireLine.GetComponent<ParticleSystem>().Play();
        //播放音效
        GetComponent<AudioSource>().Play();
        GameObject.Find("点").SetActive(false);

        //等待一段时间
        yield return new WaitForSeconds(1.5f);

        //渐显播放标题动画
        SpriteRenderer title = GameObject.Find("标题").GetComponent<SpriteRenderer>();
        title.DOFade(1,2);
        yield return new WaitForSeconds(2);
        //播放圣火粒子
        transform.Find("圣火粒子").GetComponent<ParticleSystem>().Play();
        //此时圣火已点燃，标题已显示
        //等待一秒后，开始转场
        yield return new WaitForSeconds(2.5f);
        //呼出黑块从右向左的动画
        BlackController.Instance.Trans();
        //直到黑幕全黑
        yield return new WaitUntil(() => {return BlackController.Instance.AllBlack;});
        //开始跳转到下一个场景
        SceneManager.LoadScene("0813中期提交");
        //切换BGM
        MusicController.Instance.To(MusicController.Instance.game);
    }
}