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



public class playerControl : MonoBehaviour
{
    private NavMeshAgent agent1;
    public GameObject img_Over;
    public GameObject img_Win;
    void Start()
    {
        //抓取代理組件
        agent1 = this.GetComponent<NavMeshAgent>();
    }

    bool iscollide = false;
    Vector3 prev_position = new Vector3(0,0,0);
    private void OnTriggerEnter(Collider other)
    {
        if(other.name == "door3" && iscollide==false)
        {
            iscollide = true;   
            //把對方cube(3)加入一個子物件（agent)    
            //正確做法：
            this.transform.SetParent(other.transform);
            //錯誤做法：
            //this.transform.position = other.transform.position;
            //播放過關音效
            other.GetComponent<AudioSource>().Play();
            //顯示過關畫面            
            img_Win.SetActive(true);
        }
        //撞到第一個門，顯示gameover_screen
        else if(other.name == "door1" || other.name == "door2")
        {    
            //播放過關失敗音效
            other.GetComponent<AudioSource>().Play();
            img_Over.SetActive(true);
        }

    }
    void Update()
    {
        //手觸控某個位置，agent1就會朝點的位置走過去
        //判別按下滑鼠左鍵
        bool isjump = false;
        if (Input.GetMouseButtonDown(0))
        {
            //射線取得點按位置的坐標
            Ray ray1 = Camera.main.ScreenPointToRay(Input.mousePosition);
            RaycastHit hit1;
            //射線檢測
            if(Physics.Raycast(ray1,out hit1)==true)
            {
                //取得點擊位置
                Vector3 point1 = hit1.point;
                //設定point1為導航目標點
                agent1.SetDestination(point1);
                //如果jump to （link2）則jump
                if(hit1.collider.gameObject.name=="link2" || hit1.collider.gameObject.name == "door3")
                {
                    //設定主角jump動畫（但是沒有效果），可能是update馬上被改成status=1
                    GameObject.Find("unitychan").GetComponent<Animator>().SetInteger("status", 2);
                    //所以用一個isjump變數
                    isjump = true;
                }
                else
                {
                    GameObject.Find("unitychan").GetComponent<Animator>().SetInteger("status", 1);
                }
            }
        }
        //注意：要先判斷Jump的case，否則永遠不會執行jump
        //jump
        if (isjump == true)
        {
            GameObject.Find("unitychan").GetComponent<Animator>().SetInteger("status", 2);

        }
        //如果原地不動，則status =0
        else if (GameObject.Find("unitychan").transform.position == prev_position)
        {
            GameObject.Find("unitychan").GetComponent<Animator>().SetInteger("status", 0);
        }
        else//否則walk
        {
            GameObject.Find("unitychan").GetComponent<Animator>().SetInteger("status", 1);
        }
        //設定prev_position
        prev_position = GameObject.Find("unitychan").transform.position;

    }
}