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

public enum Npcstate
{ 
  idle,
  dead,
  healthy
}

public class RecuseNpc : MonoBehaviour
{
    private Button recusebtn;

    private bool statebool = false;

    private Animator anim;

    private Npcstate nstate = Npcstate.dead;

    private bool movebool = false;
    private Transform target;
    private void Awake()
    {
        recusebtn = GameObject.Find("Canvas/Recuse").GetComponent<Button>();
        anim = this.GetComponent<Animator>();
        target = GameObject.Find("mubiao").GetComponent<Transform>();
    }

    private void OnTriggerEnter(Collider other)//通过触发器得到对应的救援组人员标签，是否显现出UI
    {
        if(other.name == "Man")
        recusebtn.gameObject.SetActive(true);
        if (statebool) return;
        other.GetComponent<CharacterControl>().cha = this.gameObject ;
    }

    public void Setnpcstate()//点击救援按钮执行完动作后对按钮进行隐藏
    {   
        movebool = true;
        nstate = Npcstate.healthy;
        recusebtn.gameObject.SetActive(false);
        Debug.Log("Setnpcstate调用");   
    }

    private void Update()
    {
        if (Vector3.Distance(transform.position,target.position) < 1.3f && movebool)//判断人物被救援后移动到目标位置
        {
            Debug.Log("到达目标点");
            nstate = Npcstate.idle;
            movebool = false;
        }
       

        switch (nstate)//通过枚举状态实现人物是否被救援，以及动作的改变
        {
            case Npcstate.idle:
                anim.SetBool("Recuse", false);
                break;
            case Npcstate.healthy:
                anim.SetBool("Recuse", true);
                transform.LookAt(target);  
                transform.position = Vector3.Lerp(transform.position, target.position, 0.3f * Time.deltaTime);
                break;
            case Npcstate.dead:

                break;
        }

        
    }


}