using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

//盾牌，可以抵挡一次敌人的攻击，会消耗一次层数
//普通的敌人会停在原地，并准备下一次攻击（有一定的硬直时间）
public class LightShield : MonoBehaviour {
    //最大层数
    public int maxLayer_;
    //当前层数
    public int remainLayer_;
    //层级对应盾牌对象
    public GameObject[] LayerObjs_;
    //获取玩家控制类
    private PlayerControl playerControl_;
    public Image shieldRecoverImg;
    public bool isRecovering;
    public ParticleSystem breakEffect;
    

    //持盾状态下盾牌被攻击
    public void shieldHit() {
        if (remainLayer_ > 1) {
            remainLayer_ -= 1;
            LayerObjs_[remainLayer_].SetActive(false);
        }
        else {
            remainLayer_ -= 1;
            LayerObjs_[remainLayer_].SetActive(false);
            gameObject.GetComponent<BoxCollider>().enabled = false;
            breakEffect.Play();
        }
    }
    void Start()
    {
        playerControl_ = GameObject.FindGameObjectWithTag("Player").GetComponent<PlayerControl>();
        isRecovering = false;
    }
    //玩家在盾牌受到损伤后，会渐渐恢复
    void Update()
    {
        if (remainLayer_ < maxLayer_ && !isRecovering) {
            isRecovering = true;
            playerControl_.startRecoverShield();
        }
        shieldRecoverImg.fillAmount = playerControl_.shieldRecover / 30f;
        if (playerControl_.shieldRecover == 30) {
            LayerObjs_[remainLayer_].SetActive(true);
            remainLayer_ += 1;
            if (!gameObject.GetComponent<BoxCollider>().enabled) {
                gameObject.GetComponent<BoxCollider>().enabled = true;
            }
            playerControl_.shieldRecover = 0;
            shieldRecoverImg.fillAmount = 0;
            playerControl_.stopRecoverShield();
            isRecovering = false;
            breakEffect.Play();
        }

    }
}