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

public class Exper_2 : MonoBehaviour {
    public Car CarCon;
    public Transform Trans_CC, Trans_Vr, Trans_VrCam, Trans_DriverPos, Trans_PlayBack;
    public Animator CarAni, CarAni_UD;
    public GameObject Role_Driver;//驾驶员
    public GameObject UI_GetConfirm, UI_End;
    public GameObject Control_Xiao, Control_Da;//操控
    public DaBi XiaoBiCon;
    public GameObject Obj_ShowDis;//转场
    public GameObject Hold_World,Hold_Self, Cargo_World, Cargo_Self;//货物
    public Transform Pos_1, Pos_2, Pos_3;
    public GameObject Arrow_1, Arrow_2, Arrow_3, Arrow_4;
    bool ifRun = false;
    public int Step = 0;
    public AudioSource Aud_1, Aud_2, Aud_3, Aud_4;
    public AudioSource Aud_Correct;
    //
    float Dis;

    void Start()
    {
        //叉车位置
        Trans_CC.position = new Vector3(13.67f, 0.838f, -16.42f);
        Trans_CC.rotation = Quaternion.Euler(0, 0, 0);
    }
    public void ShowObj_World()
    {
        //交互物
        Hold_World.SetActive(true);
        Cargo_World.SetActive(true);
    }
    void Update()
    {
        if (ifRun)
            StartExper();
    }
    public void StartRun()
    {
        Invoke("Run", 2);
    }
    float dTime;
    void Run()
    {
        ifFirst = true;
        ifRun = true;
        Step++;
    }
    //设置驾驶位
    Vector3 V3_Inner;
    public void SetControl()
    {
        Trans_Vr.parent = Trans_CC;
        V3_Inner = Trans_VrCam.position - Trans_Vr.position;//内部位置差
        Trans_Vr.position = Trans_DriverPos.position - V3_Inner;
    }
    // Update is called once per frame
    bool ifFirst;
    void StartExper()
    {
        if (ifRun)
        {
            switch (Step)
            {
                case 1://提示到达驾驶位
                    if (ifFirst)
                    {
                        Aud_1.Play();
                        ifFirst = false;
                        Arrow_1.SetActive(true);//箭头
                        Pos_1.gameObject.SetActive(true);//目标光圈
                    }
                    Dis = Mathf.Abs(Trans_VrCam.position.x - Pos_1.position.x) + Mathf.Abs(Trans_VrCam.position.z - Pos_1.position.z);
                    if (Dis < 1)//进入驾驶位
                    {
                        Aud_Correct.Play();
                        Aud_1.Stop();
                        Arrow_1.SetActive(false);//箭头
                        Pos_1.gameObject.SetActive(false);//目标光圈
                        ifRun = false;
                        Obj_ShowDis.SetActive(true);//转场
                        Invoke("Run", 2);
                    }
                    break;
                case 2://提示到达取货位
                    if (ifFirst)
                    {
                        CarCon.ifAllowDrive = true;
                        Aud_2.Play();
                        ifFirst = false;
                        Arrow_2.SetActive(true);//箭头
                        Pos_2.gameObject.SetActive(true);//目标光圈
                        SetControl();//设置驾驶视角
                    }
                    Dis = Mathf.Abs(Trans_VrCam.position.x - Pos_2.position.x) + Mathf.Abs(Trans_VrCam.position.z - Pos_2.position.z);
                    if (Dis < 1.5f)
                    {
                        Aud_Correct.Play();
                        Aud_2.Stop();
                        Arrow_2.SetActive(false);//箭头
                        Pos_2.gameObject.SetActive(false);//目标光圈
                        ifRun = false;
                        Obj_ShowDis.SetActive(true);//转场
                        Invoke("Run", 2);
                    }
                    break;
                case 3://提示叉货
                    if (ifFirst)
                    {
                        Aud_3.Play();
                        ifFirst = false;
                        ifRun = false;
                        Arrow_3.SetActive(true);
                        //车辆复位
                        Trans_CC.position = new Vector3(3.93f, Trans_CC.position.y, 5.25f);
                        Trans_CC.rotation = Quaternion.Euler(0, -90, 0);
                        SetControl();//设置驾驶视角
                        UI_GetConfirm.SetActive(true);//叉货完成UI
                    }
                    break;
                case 4://提示运输
                    if (ifFirst)
                    {
                        Aud_3.Stop();
                        Aud_4.Play();
                        ifFirst = false;
                        Arrow_3.SetActive(false);
                        Arrow_4.SetActive(true);//线路
                        //车辆复位
                        Trans_CC.position = new Vector3(2.11f, Trans_CC.position.y, 8);
                        Trans_CC.rotation = Quaternion.Euler(0, -180, 0);
                        SetControl();//设置驾驶视角
                        Cargo_World.SetActive(false);
                        Hold_World.SetActive(false);
                        Cargo_Self.SetActive(true);
                        Hold_Self.SetActive(true);
                        CarAni_UD.SetFloat("Blend", 0.34f);
                        Control_Xiao.SetActive(false);//禁止操控大小臂
                        Control_Da.SetActive(false);
                        XiaoBiCon.Kind = 0;
                    }
                    Dis = Mathf.Abs(Trans_VrCam.position.x - Pos_3.position.x) + Mathf.Abs(Trans_VrCam.position.z - Pos_3.position.z);
                    if (Dis < 2)
                    {
                        Aud_4.Stop();
                        Arrow_4.SetActive(false);//箭头
                        CarAni.enabled = true;//事故动画
                        CarAni.SetInteger ("Kind", 2);
                        Step = 5;
                        ifFirst = true;
                        CarCon.ifAllowDrive = false;
                    }
                    break;
                case 5://事故动画阶段
                    SetControl();//设置驾驶视角
                    if (ifFirst)
                    {
                        ifFirst = false;
                        dTime = Time.time;
                    }
                    if (Time.time - dTime > 13)
                    {
                        Step = 6;
                    }
                    break;
                case 6://转场
                    Obj_ShowDis.SetActive(true);//转场
                    ifRun = false;
                    Invoke("Run", 2);
                    break;
                case 7://事故回放准备
                    ifRun = false;
                    CarAni.SetInteger("Kind", 0);
                    Role_Driver.SetActive(true);
                    Cargo_Self.SetActive(true);
                    Trans_Vr.parent = null;
                    Trans_Vr.position = Trans_PlayBack.position;
                    Invoke("Run", 2);
                    break;
                case 8://回放进行
                    if (ifFirst)
                    {
                        ifFirst = false;
                        CarAni.SetInteger("Kind", 2);
                        ifRun = false;
                        Invoke("Run", 12);
                    }
                    break;
                case 9://事故分析及答题
                    if (ifFirst)
                    {
                        ifFirst = false;
                        Trans_Vr.position = new Vector3(3.66f, 0.67f, -8);
                        Trans_CC.gameObject.SetActive(false);//叉车隐藏
                        UI_End.SetActive(true);
                        ifRun = false;
                    }
                    break;
            }
        }
    }
    public void Exit()
    {
        Application.Quit();
    }
}