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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.AI;
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/// <summary>
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/// 车辆管理类
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/// 功能：车辆生成
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/// 车辆AI
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///
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/// </summary>
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public class CarSys : MonoBehaviour
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{
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//车辆种类列表
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public GameObject[] carTypeList;
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//已生成车辆列表
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//public List<GameObject> carList=new List<GameObject>(200);
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[HideInInspector]
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public Dictionary<int, GameObject> carList = new Dictionary<int, GameObject>();
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//
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public int CarID = 0;
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//车辆检测开关
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public bool openCheck = true;
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public static CarSys Instance = null;
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[HideInInspector]
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public bool canCreatCar = true;
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//移动点列表
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private Dictionary<string, Transform> MoveList = new Dictionary<string, Transform>();
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//生成点列表
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private Dictionary<string, Transform> BornList = new Dictionary<string, Transform>();
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public void Init()
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{
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Instance = this;
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//检索创建车的地点
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CheckBornoint();
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//检索车辆移动点
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CheckMovePoint();
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//开启创建携程
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StartCoroutine(RandomTimeCreat(1));
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StartCoroutine(RandomTimeCreat(2));
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}
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#region 车辆AI
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//检索汽车生成点
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public void CheckBornoint()
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{
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GameObject[] bornPoints = GameObject.FindGameObjectsWithTag("BornPoint");
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for (int i = 0; i < bornPoints.Length; i++)
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{
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BornList.Add(bornPoints[i].name, bornPoints[i].transform);
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}
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}
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//检索移动列表
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public void CheckMovePoint()
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{
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GameObject[] moveObjs = GameObject.FindGameObjectsWithTag("MoveList");
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for (int i = 0; i < moveObjs.Length; i++)
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{
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MoveList.Add(moveObjs[i].name, moveObjs[i].transform);
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}
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}
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//车辆AI移动函数
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public IEnumerator CarMove(string lineName, Drive drive)
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{
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if (lineName != "" && drive != null)
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{
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Transform moveListParent = null;
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MoveList.TryGetValue(lineName, out moveListParent);
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NavMeshAgent agent = drive.agent;
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//添加前车检测器
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GameObject go =Resources.Load<GameObject>("Prefab/DistanceCheck");
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GameObject go_c= Instantiate(go, drive.transform);
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go_c.transform.position = drive.transform.position + (drive.transform.forward.normalized * 6);
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DistanceChecker checker = go_c.GetComponent<DistanceChecker>();
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//float t = 0;
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if (moveListParent != null)
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{
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Transform[] moveList = new Transform[moveListParent.childCount];
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//遍历移动列表
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for (int i = 0; i < moveListParent.childCount; i++)
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{
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moveList[i] = moveListParent.GetChild(i);
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//路径方向
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Vector3 Dir = (moveList[i].transform.position - drive.transform.position).normalized;
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drive.driveDir = Dir;
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drive.dir_trans = moveList[i];
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if (moveList[i] != null)
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{
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//向移动列表支点移动
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agent.SetDestination(moveList[i].position);
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//携程检测距离与路况
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while (true)
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{
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//**********重要***********//
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yield return new WaitForSeconds(0.02f);
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drive.drivetime += Time.deltaTime;
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float distance = Vector3.Distance(agent.transform.position, moveList[i].position);
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if (drive.drivetime >= drive.checktime)
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{
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drive.isnormalDrive = checker.IsNoObstacle();
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}
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//状态判断 优先级顺序为：受障碍、到达终点、弯道、直线
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if (drive.isnormalDrive == false && drive.dirveState != DriveState.Turn)
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{
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drive.dirveState = DriveState.Stop;
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}
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else if(distance <= 0.5f)
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{
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drive.dirveState = DriveState.PointOver;
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break;
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}
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else if(distance <= 20f && distance > 0.5f)
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{
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drive.dirveState = DriveState.Turn;
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}
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else if (distance > 20f)
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{
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drive.dirveState = DriveState.Line;
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}
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}
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}
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}
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//回收车辆
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carList.Remove(drive.carId);
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// Destroy(agent.gameObject);
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ObjectPool.Instance.Unspawn(agent.gameObject);
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GameRoot.Instance.infoWnd.SetCarOutText(1);
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}
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}
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}
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//检测前方车辆
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public bool CheckFrontCar(Drive drive)
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{
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if (drive.FrontCar == null) return false;
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if (Vector3.Distance(drive.transform.position, drive.FrontCar.transform.position) < Const.SafeDistance)
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{
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return true;
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}
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return false;
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#region MyRegion
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//for (int i = 0; i < carList.Count; i++)
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//{
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// Vector3 target = carList[i].transform.position;
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// Vector3 dir = target - drive.transform.position;
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// drive.dot = Vector3.Dot(drive.transform.forward.normalized,dir.normalized);
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// //判断是否前方有小于安全距离的车辆
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// if (Vector3.Dot(drive.transform.forward.normalized, dir.normalized) > Mathf.Cos(Mathf.PI/6) && Vector3.Distance(target, drive.transform.position) <= Const.SafeDistance)
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// {
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// Debug.Log(drive.gameObject.name);
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// return true;
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// }
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// else
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// {
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// continue;
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// }
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//}
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//return false;
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#endregion
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}
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#endregion
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#region 汽车随机生成
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int tempindex;
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/// <summary>
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/// 生成汽车递归携程，在GameRoot中启用一次即可
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/// </summary>
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/// <returns></returns>
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public IEnumerator RandomTimeCreat()
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{
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//计时器
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float timer = 0f;
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//随机获取出生点
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Transform parent = null;
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int pointIndex = Random.Range(1, BornList.Count + 1);
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if (tempindex == pointIndex)
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{
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StartCoroutine(RandomTimeCreat());
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yield break;
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}
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tempindex = pointIndex;//防重复
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BornList.TryGetValue("0" + pointIndex.ToString(), out parent);
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if (parent != null)
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{
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//随机时间
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float t = Random.Range(Const.RefreshCarminTime, Const.RefreshCarmaxTime);
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//Debug.Log(t);
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while (true)
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{
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yield return new WaitForSeconds(0.02f);
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timer += Time.deltaTime;
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if (timer >= t)
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{
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timer = 0;
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break;
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}
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}
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float checkTime = t / 5;
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CreatCar(parent,checkTime);
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}
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StartCoroutine(RandomTimeCreat());
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}
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public IEnumerator RandomTimeCreat(int index)
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{
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if (!canCreatCar) yield break;
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//计时器
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float timer = 0f;
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//随机获取出生点
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Transform parent = null;
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int pointIndex = index;
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BornList.TryGetValue("0" + pointIndex.ToString(), out parent);
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if (parent != null)
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{
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//随机时间
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float t = Random.Range(Const.RefreshCarminTime, Const.RefreshCarmaxTime);
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//Debug.Log(t);
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while (true)
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{
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yield return new WaitForSeconds(0.02f);
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timer += Time.deltaTime;
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if (timer >= t)
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{
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timer = 0;
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break;
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}
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}
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float checkTime = t / 5;
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CreatCar(parent, checkTime);
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}
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switch (pointIndex)
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{
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case 1:
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pointIndex = 3;
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break;
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case 2:
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pointIndex = 4;
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break;
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case 3:
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pointIndex = 1;
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break;
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case 4:
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pointIndex = 2;
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break;
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}
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StartCoroutine(RandomTimeCreat(pointIndex));
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}
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/// <summary>
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/// 汽车生成函数
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/// </summary>
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/// <param name="parent">生成之后的父物体</param>
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/// <param name="checktime">生成后开始行驶检测的时间</param>
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public void CreatCar(Transform parent,float checktime)
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{
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// 随机创建车辆种类
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int carIndex = Random.Range(0, carTypeList.Length - 1);
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//实例化车辆
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//GameObject car = GameObject.Instantiate(carTypeList[carIndex], parent.position, Quaternion.identity, parent);
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//car.transform.eulerAngles = parent.eulerAngles;
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//对象池优化创建实例
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GameObject car = ObjectPool.Instance.Spawn(carTypeList[carIndex].name, parent);
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//NavAgent赋值
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NavMeshAgent _agent = car.GetComponent<NavMeshAgent>();
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//car驾驶类赋值
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Drive drive = car.GetComponent<Drive>();
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drive.agent = _agent;
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drive.carId = CarID;
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drive.checktime = checktime;
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carList.Add(CarID, drive.gameObject);
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CarID++;
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if (drive.carId != 0)
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{
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GameObject go = null;
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carList.TryGetValue(drive.carId - 1, out go);
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drive.FrontCar = go;
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}
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//统计数量更新
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GameRoot.Instance.infoWnd.SetCarInText(1);//+1
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//执行寻路AI
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if (drive.agent != null)
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{
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StartCoroutine(CarMove(parent.name, drive));
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}
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}
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#endregion
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public void StopCreatCar()
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{
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canCreatCar = false;
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}
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}
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