_xiaofang/xiaofang/Assets/Script/npc/RecuseNpc.cs

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

public enum Npcstate
{ 
  idle,
  dead,
  run
}

public class RecuseNpc : MonoBehaviour
{


    private NavMeshAgent navMeshAgent;//navmesh组件

    public string npcId;

    public static RecuseNpc instance;

    public Button recusebtn;

    private bool statebool = false;

    private Animator anim;

    public Npcstate nstate = Npcstate.dead;

    private bool movebool = false;
    public Transform target;

    public Vector3 currentTarget;

    // 存目的地的list
    public List<Vector3> targetPoints = new List<Vector3>();

    private void Awake()
    {
        instance = this;
        //recusebtn = GameObject.Find("Canvas/Recuse").GetComponent<Button>();
        anim = this.GetComponent<Animator>();

        navMeshAgent = GetComponent<NavMeshAgent>();

        // 初始化 NavMeshAgent 的一些属性
        navMeshAgent.speed = 3.5f; // 设置速度
        navMeshAgent.acceleration = 8f; // 设置加速度
        navMeshAgent.angularSpeed = 120f; // 设置旋转速度
        navMeshAgent.stoppingDistance = 1f; // 设置停止的距离

    }

    private void OnTriggerEnter(Collider other)
    {
        if(other.tag == "Player")
        recusebtn.gameObject.SetActive(true);
        if (statebool) return;
        other.GetComponent<CharacterInturn>().cha = this.gameObject ;
    }

    private void OnTriggerExit(Collider other)
    {
        recusebtn.gameObject.SetActive(false);
    }

    public void SetNPCInfo(string id)
    {
        npcId = id;
    }

    //npc状态
    public void Setnpcstate()
    {   
        movebool = true;
        nstate = Npcstate.idle;
        recusebtn.gameObject.SetActive(false);
        Debug.Log( npcId + "被救");
    }

    //添加npc的目的地到list中
    public void SetNpcDes(Vector3 tar)
    {
        //target.position = tar;
        targetPoints.Add(tar);
    }

    private void Update()
    {
        
        // 继续处理NPC的状态和动画
        switch (nstate)
        {
            case Npcstate.idle:
                SetAni(2);
                break;
            case Npcstate.run:
                movebool = true;
                Run(currentTarget);
                break;
            case Npcstate.dead:
                SetAni(0);
                break;
        }
        if (targetPoints.Count > 0) // 确保列表中有目标点
        {
            
            currentTarget = targetPoints[0]; // 获取当前的目标点
            nstate = Npcstate.run;
            movebool = true;
            float dis = Vector3.Distance(this.transform.position, currentTarget);
            // 判断是否到达目标点
            if (movebool && dis < 0.1f)
            {
                Debug.Log("到达目标点");

                // 设置NPC状态

                nstate = Npcstate.idle;
                movebool = false;

                // 达到目标后，从列表中移除该目标点
                if (targetPoints.Count > 1)
                {
                    targetPoints = RemoveDes();
                }
                else
                {
                    targetPoints.Clear(); // 清空列表
                }
            }
        }

        
    }

    //移除第一个点
    public List<Vector3> RemoveDes()
    {
        List<Vector3> list = new List<Vector3>();

        for(int i= 1;i<targetPoints.Count;i++)
        {
            list[i-1] = targetPoints[i];
        }

        return list;
    }


    public void Run(Vector3 target)
    {
        if (movebool)
        {
            SetAni(1);
            navMeshAgent.SetDestination(target);  // 使用 NavMeshAgent 设置目标点
        }
    }


    public void SetAni(int x)
    {
        anim.SetInteger("state", x);
    }


}