using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using AX.MessageSystem;
using UnityEngine.EventSystems;
using System;

[RequireComponent(typeof(Polygon))]
public class PolygonController : MonoBehaviour
{
    [HideInInspector]
    public List<Vector3> screenPositions = new List<Vector3>();
    [HideInInspector]
    public List<Vector3> worldPositions = new List<Vector3>();
    [HideInInspector]
    public List<GameObject> vertices = new List<GameObject>();
    private Polygon polygon;
    public Vector3 InfoOffset = new Vector3(0, 1.5f, 0.0f);
    public bool Editable = true;
    public GameObject VerticePrefab;
    public Canvas Canvas;
    private GameObject PolygonPlane;
    RaycastHit hit;
    public RectTransform PolyVerticeFather;
    // 面片的高度偏移量，以免跟地面重叠，导致看不到
    private static Vector3 HeightOffset = new Vector3(0, 1f, 0.0f);

    Transform Info;
    /// <summary>
    /// 获得多边形面片的高度。
    /// </summary>
    public float GetHeight()
    {
        if (worldPositions.Count > 0)
            return worldPositions[0].y;
        return transform.position.y;
    }

    /// <summary>
    /// 用于调整面片内部填充的颜色，支持透明通道。
    /// </summary>
    public Color Color
    {
        get { return polygon.Color; }
        set { polygon.Color = value; }
    }

    void Awake()
    {
        polygon = GetComponent<Polygon>();    
        MessageDispatcher.AddListener("ControlPolygonTrue", ControlPolygonTrue);
        MessageDispatcher.AddListener("ControlPolygonFalse", ControlPolygonFalse);        
        if (Canvas == null)
            Canvas = GameObject.Find("Canvas").GetComponent<Canvas>();
        Info = this.transform.Find("info");
        PolyVerticeFather = Canvas.transform.Find("SetAreaPanel/PolyVerticeFather") as RectTransform;
        MessageDispatcher.AddListener("ReplayEvent", ExecuteEvent);
    }
    /// <summary>
    /// 回放事件执行
    /// </summary>
    /// <param name="obj"></param>
    private void ExecuteEvent(IMessage obj)
    {
        var eventData = (EventData)obj.Data;
        if (eventData.cloneObjType == CloneObjType.SetArea)
        {
            if (eventData.eventType == RecordEventType.ToolTask)
            {
                var arg = Newtonsoft.Json.JsonConvert.DeserializeObject<RecordSetArea>(eventData.json);
                if (arg.objectName == gameObject.name)
                {
                    SetPolygon(arg.hitPos, arg.mousePos, arg);
                }
            }
            else if (eventData.eventType == RecordEventType.SetAreaChange)
            {
                var arg = Newtonsoft.Json.JsonConvert.DeserializeObject<RecordSetAreaChange>(eventData.json);
                if (arg.objectName == gameObject.name)
                {
                    ReplayChangePosition(arg.index, arg.position, arg.point, arg);
                }
            }
            else if (eventData.eventType == RecordEventType.SetAreaAdd)
            {
                var arg = Newtonsoft.Json.JsonConvert.DeserializeObject<RecordSetAreaAdd>(eventData.json);
                if (arg.objectName == gameObject.name)
                {
                    AddPolygon(arg.addIndex, arg.hitPos, arg.MousePos, arg);
                }
            }
            else if (eventData.eventType == RecordEventType.SetAreaDel)
            {
                var arg = Newtonsoft.Json.JsonConvert.DeserializeObject<RecordSetAreaDel>(eventData.json);
                if (arg.objectName == gameObject.name)
                {
                    DelPolygon(arg.delIndex);
                }
            }
        }
    }

    private void Start()
    {
        //if (worldPositions.Count > 0)
        //{
        //    Info.position = polygon.getCenterOfGravityPoint(worldPositions) + InfoOffset;
        //}
    }

    bool Control = false;
    public void ControlPolygonTrue(IMessage Meg)//能否控制面片
    {

        if ((string)Meg.Data == gameObject.name)
        {
            Editable = true;
            Control = true;//控制第一次点击物体从而会实例化一个新的圆圈
            for (var i = 0; i < vertices.Count; ++i)
            {
                vertices[i].SetActive(true);
            }
            this.gameObject.layer = 8;
        }
        else
        {
            Editable = false;
            for (var i = 0; i < vertices.Count; ++i)
            {
                vertices[i].SetActive(false);
            }
            this.gameObject.layer = 0;

        }
    }
    public void ControlPolygonFalse(IMessage Meg)
    {
        Editable = false;
        for (var i = 0; i < vertices.Count; ++i)
        {
            vertices[i].SetActive(false);
        }
        this.gameObject.layer = 0;

    }
    private void OnDestroy()
    {
        MessageDispatcher.RemoveListener("ControlPolygonTrue", ControlPolygonTrue);
        MessageDispatcher.RemoveListener("ControlPolygonFalse", ControlPolygonFalse);
        for (var i = 0; i < vertices.Count; ++i)
        {
            Destroy(vertices[i]);
        }
        MessageDispatcher.RemoveListener("ReplayEvent", ExecuteEvent);
    }
    public void SetPolygon(Vector3 hitPos, Vector3 MousePos, float offset = 1)
    {
        var position = MousePos;

        var index = FindIndex(position);

        if (index == -1)
        {
            HeightOffset = new Vector3(0, offset, 0);
            var worldPos = hitPos + HeightOffset;
            if (worldPositions.Count > 0)
                worldPos.Set(worldPos.x, GetHeight(), worldPos.z);
            var screenPos = position;

            if (worldPositions.Count == 0)
            {
                MessageDispatcher.SendMessage(1f, "NodeTreeHints", (object)"在此区域设置");
            }
            screenPositions.Add(screenPos);
            worldPositions.Add(worldPos);

            if (worldPositions.Count == 3)
            {
                var s = Info.gameObject.AddComponent<CloneGameObjInfo>();
                s.buildNum = GetComponent<CloneGameObjInfo>().buildNum;
                s.gameObjType = GetComponent<CloneGameObjInfo>().gameObjType;
                s.floorNum = GetComponent<CloneGameObjInfo>().floorNum;
                s.interlayerNum = GetComponent<CloneGameObjInfo>().interlayerNum;
                //s.deltaFloor = GetComponent<CloneGameObjInfo>().deltaFloor;
                //Info.position = worldPositions[0] + new Vector3(0, 1f, 0);
                Info.gameObject.SetActive(true);
            }
            //FIXME: 时间紧迫，将来这里可能需要解耦
            var go = Instantiate(VerticePrefab);
            var rectTransform = go.transform as RectTransform;
            //  var polyVerticeFather = Canvas.transform.Find("PolyVerticeFather");
            rectTransform.parent = PolyVerticeFather;
            rectTransform.localScale = Vector3.one;
            var script = go.GetComponent<DragVertice>();
            script.PolygonController = this;
            script.Canvas = Canvas;
            vertices.Add(go);            
            //go.name = GetComponent<CloneGameObjInfo>().gameObjID.ToString() +"-"+ vertices.IndexOf(go).ToString();
            if (Canvas.renderMode == RenderMode.ScreenSpaceOverlay)
            {
                Vector2 anchoredPos;
                if (RectTransformUtility.ScreenPointToLocalPointInRectangle(PolyVerticeFather, screenPos, null, out anchoredPos))
                    rectTransform.anchoredPosition = anchoredPos;
            }
            else if (Canvas.renderMode == RenderMode.ScreenSpaceCamera)
            {
                Vector2 mousePos;
                if (RectTransformUtility.ScreenPointToLocalPointInRectangle(PolyVerticeFather, screenPos, Canvas.worldCamera, out mousePos))
                    rectTransform.anchoredPosition = mousePos;
            }
            if (worldPositions.Count > 2)
            {
                polygon.SetVertices(worldPositions.ToArray());
                Info.position = polygon.getCenterOfGravityPoint(worldPositions) + InfoOffset;
            }
        }
    }
    public void SetPolygon(Vector3 hitPos, Vector3 MousePos, RecordSetArea arg, float offset = 1)
    {
        var position = MousePos;

        var index = FindIndex(position);

        if (index == -1)
        {
            HeightOffset = new Vector3(0, offset, 0);
            var worldPos = hitPos + HeightOffset;
            if (worldPositions.Count > 0)
                worldPos.Set(worldPos.x, GetHeight(), worldPos.z);
            var screenPos = position;

            if (worldPositions.Count == 0)
            {
                MessageDispatcher.SendMessage(1f, "NodeTreeHints", (object)"在此区域设置");
            }
            screenPositions.Add(screenPos);
            worldPositions.Add(worldPos);

            if (worldPositions.Count == 3)
            {
                var s = Info.gameObject.AddComponent<CloneGameObjInfo>();
                s.buildNum = GetComponent<CloneGameObjInfo>().buildNum;
                s.gameObjType = GetComponent<CloneGameObjInfo>().gameObjType;
                s.floorNum = GetComponent<CloneGameObjInfo>().floorNum;
                s.interlayerNum = GetComponent<CloneGameObjInfo>().interlayerNum;
                //s.deltaFloor = GetComponent<CloneGameObjInfo>().deltaFloor;
                //Info.position = worldPositions[0] + new Vector3(0, 1f, 0);
                Info.gameObject.SetActive(true);
            }
            //FIXME: 时间紧迫，将来这里可能需要解耦
            var go = Instantiate(VerticePrefab);
            var rectTransform = go.GetComponent<RectTransform>();
            //  var polyVerticeFather = Canvas.transform.Find("PolyVerticeFather");
            rectTransform.parent = PolyVerticeFather;
            rectTransform.localScale = Vector3.one;
            var script = go.GetComponent<DragVertice>();
            script.PolygonController = this;
            script.Canvas = Canvas;
            vertices.Add(go);
            Vector3 nowcamerapos = Camera.main.transform.position;
            Quaternion nowrotate = Camera.main.transform.rotation;
            Camera.main.transform.localPosition = arg.myTransform.getMyPosition();
            Camera.main.transform.localRotation = arg.myTransform.getMyRotation();
            //go.name = GetComponent<CloneGameObjInfo>().gameObjID.ToString() +"-"+ vertices.IndexOf(go).ToString();
            if (Canvas.renderMode == RenderMode.ScreenSpaceOverlay)
            {
                Vector2 anchoredPos;
                if (RectTransformUtility.ScreenPointToLocalPointInRectangle(PolyVerticeFather, screenPos, null, out anchoredPos))
                    rectTransform.anchoredPosition = anchoredPos;
            }
            else if (Canvas.renderMode == RenderMode.ScreenSpaceCamera)
            {
                Vector2 mousePos;
                if (RectTransformUtility.ScreenPointToLocalPointInRectangle(PolyVerticeFather, screenPos, Canvas.worldCamera, out mousePos))
                    rectTransform.anchoredPosition = mousePos;
            }
            if (worldPositions.Count > 2)
            {
                polygon.SetVertices(worldPositions.ToArray());
                Info.position = polygon.getCenterOfGravityPoint(worldPositions) + InfoOffset;
            }
            Camera.main.transform.position = nowcamerapos;
            Camera.main.transform.rotation = nowrotate;
        }
    }
    /// <summary>
    /// 回放帧状态
    /// </summary>
    /// <param name="worldPos"></param>
    /// <param name="screenPos"></param>
    public void ReplaySetPolygon(Vector3 worldPos, Vector3 screenPos)
    {        
        var index = FindIndex(screenPos);
        if (index == -1)
        {            
            /*if (worldPositions.Count > 0)
                worldPos.Set(worldPos.x, GetHeight(), worldPos.z);*/          

            if (worldPositions.Count == 0)
            {
                MessageDispatcher.SendMessage(1f, "NodeTreeHints", (object)"在此区域设置");
            }
            screenPositions.Add(screenPos);
            worldPositions.Add(worldPos);

            if (worldPositions.Count == 3)
            {
                var s = Info.gameObject.AddComponent<CloneGameObjInfo>();
                s.buildNum = GetComponent<CloneGameObjInfo>().buildNum;
                s.gameObjType = GetComponent<CloneGameObjInfo>().gameObjType;
                s.floorNum = GetComponent<CloneGameObjInfo>().floorNum;
                s.interlayerNum = GetComponent<CloneGameObjInfo>().interlayerNum;
                //s.deltaFloor = GetComponent<CloneGameObjInfo>().deltaFloor;
                //Info.position = worldPositions[0] + new Vector3(0, 1f, 0);
                Info.gameObject.SetActive(true);
            }
            //FIXME: 时间紧迫，将来这里可能需要解耦
            var go = Instantiate(VerticePrefab);
            var rectTransform = go.transform as RectTransform;
            //  var polyVerticeFather = Canvas.transform.Find("PolyVerticeFather");
            rectTransform.parent = PolyVerticeFather;
            rectTransform.localScale = Vector3.one;
            var script = go.GetComponent<DragVertice>();
            script.PolygonController = this;
            script.Canvas = Canvas;
            vertices.Add(go);
            //go.name = GetComponent<CloneGameObjInfo>().gameObjID.ToString() + "-" + vertices.IndexOf(go).ToString();
            if (Canvas.renderMode == RenderMode.ScreenSpaceOverlay)
            {
                Vector2 anchoredPos;
                if (RectTransformUtility.ScreenPointToLocalPointInRectangle(PolyVerticeFather, screenPos, null, out anchoredPos))
                    rectTransform.anchoredPosition = anchoredPos;
            }
            else if (Canvas.renderMode == RenderMode.ScreenSpaceCamera)
            {
                Vector2 mousePos;
                if (RectTransformUtility.ScreenPointToLocalPointInRectangle(PolyVerticeFather, screenPos, Canvas.worldCamera, out mousePos))
                    rectTransform.anchoredPosition = mousePos;
            }
            if (worldPositions.Count > 2)
            {
                polygon.SetVertices(worldPositions.ToArray());
                Info.position = polygon.getCenterOfGravityPoint(worldPositions) + InfoOffset;
            }
        }
    }
    public void AddPolygon(int addIndex, Vector3 hitPos, Vector3 MousePos)
    {
        var position = MousePos;

        var index = FindIndex(position);

        if (index == -1)
        {
            var worldPos = hitPos + HeightOffset;
            if (worldPositions.Count > 0)
                worldPos.Set(worldPos.x, GetHeight(), worldPos.z);
            var screenPos = position;

            if (worldPositions.Count == 0)
            {
                MessageDispatcher.SendMessage(1f, "NodeTreeHints", (object)"在此区域设置");
            }
            screenPositions.Insert(addIndex, screenPos);
            worldPositions.Insert(addIndex, worldPos);

            if (worldPositions.Count == 3)
            {
              
                var s = Info.gameObject.AddComponent<CloneGameObjInfo>();
                s.buildNum = GetComponent<CloneGameObjInfo>().buildNum;
                s.gameObjType = GetComponent<CloneGameObjInfo>().gameObjType;
                s.floorNum = GetComponent<CloneGameObjInfo>().floorNum;
                s.interlayerNum = GetComponent<CloneGameObjInfo>().interlayerNum;
                //s.deltaFloor = GetComponent<CloneGameObjInfo>().deltaFloor;
                //Info.position = worldPositions[0] + new Vector3(0, 1f, 0);
                Info.gameObject.SetActive(true);
            }
            //FIXME: 时间紧迫，将来这里可能需要解耦
            var go = Instantiate(VerticePrefab);
            var rectTransform = go.transform as RectTransform;
            //  var polyVerticeFather = Canvas.transform.Find("PolyVerticeFather");
            rectTransform.parent = PolyVerticeFather;
            rectTransform.localScale = Vector3.one;
            var script = go.GetComponent<DragVertice>();
            script.PolygonController = this;
            script.Canvas = Canvas;
            vertices.Insert(addIndex, go);
            if (Canvas.renderMode == RenderMode.ScreenSpaceOverlay)
            {
                Vector2 anchoredPos;
                if (RectTransformUtility.ScreenPointToLocalPointInRectangle(PolyVerticeFather, screenPos, null, out anchoredPos))
                    rectTransform.anchoredPosition = anchoredPos;
            }
            else if (Canvas.renderMode == RenderMode.ScreenSpaceCamera)
            {
                Vector2 mousePos;
                if (RectTransformUtility.ScreenPointToLocalPointInRectangle(PolyVerticeFather, screenPos, Canvas.worldCamera, out mousePos))
                    rectTransform.anchoredPosition = mousePos;
            }
            if (worldPositions.Count > 2)
            {
                polygon.SetVertices(worldPositions.ToArray());
                Info.position = polygon.getCenterOfGravityPoint(worldPositions) + InfoOffset;
            }
        }
        AddRecordAdd(addIndex, hitPos, MousePos);
    }
    public void AddPolygon(int addIndex, Vector3 hitPos, Vector3 MousePos, RecordSetAreaAdd arg)
    {
        var position = MousePos;

        var index = FindIndex(position);

        if (index == -1)
        {
            var worldPos = hitPos + HeightOffset;
            if (worldPositions.Count > 0)
                worldPos.Set(worldPos.x, GetHeight(), worldPos.z);
            var screenPos = position;

            if (worldPositions.Count == 0)
            {
                MessageDispatcher.SendMessage(1f, "NodeTreeHints", (object)"在此区域设置");
            }
            screenPositions.Insert(addIndex, screenPos);
            worldPositions.Insert(addIndex, worldPos);

            if (worldPositions.Count == 3)
            {
                var s = Info.gameObject.AddComponent<CloneGameObjInfo>();
                s.buildNum = GetComponent<CloneGameObjInfo>().buildNum;
                s.gameObjType = GetComponent<CloneGameObjInfo>().gameObjType;
                s.floorNum = GetComponent<CloneGameObjInfo>().floorNum;
                s.interlayerNum = GetComponent<CloneGameObjInfo>().interlayerNum;
               
                //s.deltaFloor = GetComponent<CloneGameObjInfo>().deltaFloor;
                //Info.position = worldPositions[0] + new Vector3(0, 1f, 0);
                Info.gameObject.SetActive(true);
            }
            //FIXME: 时间紧迫，将来这里可能需要解耦
            var go = Instantiate(VerticePrefab);
            var rectTransform = go.GetComponent<RectTransform>();
            //  var polyVerticeFather = Canvas.transform.Find("PolyVerticeFather");
            rectTransform.SetParent(PolyVerticeFather);
            rectTransform.localScale = Vector3.one;
            var script = go.GetComponent<DragVertice>();
            script.PolygonController = this;
            script.Canvas = Canvas;
            vertices.Insert(addIndex, go);
            Vector3 nowcamerapos = Camera.main.transform.position;
            Quaternion nowrotate = Camera.main.transform.rotation;
            Camera.main.transform.localPosition = arg.myTransform.getMyPosition();
            Camera.main.transform.localRotation = arg.myTransform.getMyRotation();
            if (Canvas.renderMode == RenderMode.ScreenSpaceOverlay)
            {
                Vector2 anchoredPos;
                if (RectTransformUtility.ScreenPointToLocalPointInRectangle(PolyVerticeFather, screenPos, null, out anchoredPos))
                    rectTransform.anchoredPosition = anchoredPos;
            }
            else if (Canvas.renderMode == RenderMode.ScreenSpaceCamera)
            {
                Vector2 mousePos;
                if (RectTransformUtility.ScreenPointToLocalPointInRectangle(PolyVerticeFather, screenPos, Canvas.worldCamera, out mousePos))
                    rectTransform.anchoredPosition = mousePos;
            }
            if (worldPositions.Count > 2)
            {
                polygon.SetVertices(worldPositions.ToArray());
                Info.position = polygon.getCenterOfGravityPoint(worldPositions) + InfoOffset;
            }
            Camera.main.transform.position = nowcamerapos;
            Camera.main.transform.rotation = nowrotate;
        }

        AddRecordAdd(addIndex, hitPos, MousePos);
    }
    public void AddRecordAdd(int addIndex, Vector3 hitPos, Vector3 MousePos)
    {
        if (ReplaySetting.PlayStatus == PlayStatus.isEditor && RecordManager.Instance.recordStatus == RecordStatus.normal)
        {
            var eventData = new EventData();
            eventData.time = RecordManager.Instance.RecordTimer;
            eventData.cloneObjType = CloneObjType.SetArea;
            eventData.eventType = RecordEventType.SetAreaAdd;
            var data = new RecordSetAreaAdd();
            data.gameObjType = CloneObjType.SetArea;
            data.objectName = gameObject.gameObject.name;
            data.addIndex = addIndex;
            data.hitPos = hitPos;
            data.MousePos = MousePos;
            data.myTransform.setMyPosition(Camera.main.transform.localPosition);
            data.myTransform.setMyRotation(Camera.main.transform.localRotation);
            string json = Newtonsoft.Json.JsonConvert.SerializeObject(data);
            eventData.json = json;
            RecordManager.Instance.jsonData.eventDataList.Add(eventData);
        }
    }
    public void DelPolygon(int delIndex)
    {
        screenPositions.RemoveAt(delIndex);
        worldPositions.RemoveAt(delIndex);
        var obj = vertices[delIndex];
        vertices.RemoveAt(delIndex);
        Destroy(obj);
        if (worldPositions.Count > 2)
        {
            polygon.SetVertices(worldPositions.ToArray());
            Info.position = polygon.getCenterOfGravityPoint(worldPositions) + InfoOffset;
        }
        AddRecordDel(delIndex);
    }
    public void AddRecordDel(int delIndex)
    {
        if (ReplaySetting.PlayStatus == PlayStatus.isEditor && RecordManager.Instance.recordStatus == RecordStatus.normal)
        {
            var eventData = new EventData();
            eventData.time = RecordManager.Instance.RecordTimer;
            eventData.cloneObjType = CloneObjType.SetArea;
            eventData.eventType = RecordEventType.SetAreaDel;
            var data = new RecordSetAreaDel();
            data.gameObjType = CloneObjType.SetArea;
            data.objectName = gameObject.gameObject.name;
            data.delIndex = delIndex;
            string json = Newtonsoft.Json.JsonConvert.SerializeObject(data);
            eventData.json = json;
            RecordManager.Instance.jsonData.eventDataList.Add(eventData);
        }
    }
    void Update()
    {
        RefreshUI();
    }
    float T = 0;

    public int FindIndex(Vector3 position)
    {
        for (var i = 0; i < screenPositions.Count; ++i)
        {
            Vector2 left = screenPositions[i];
            Vector2 right = position;

            var distance = (left - right).sqrMagnitude;
            if (distance <= 8 * 8)
                return i;
        }

        return -1;
    }

    /// <summary>
    /// 改变多边形顶点位置，按照屏幕坐标来计算。
    /// </summary>
    /// <returns>如果可以改变，返回 true；否则返回 false</returns>
    public bool ChangePosition(int index, Vector3 position, bool record = false)
    {
        
        //Ray ray = Camera.main.ScreenPointToRay(position);
        Plane plane = new Plane(Vector3.up, worldPositions[index]);
        Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
       // AddRecordChangePosition(index, position, Input.mousePosition);
        //RaycastHit hit;
        //int ignoreRaycast = LayerMask.NameToLayer("Ignore Raycast");
        //bool a = Physics.Raycast(ray, out hit, Mathf.Infinity, ~(1 << ignoreRaycast));
        //if (!a)
        //    return false;
        float enter;
        if (plane.Raycast(ray, out enter))
        {
            var point = ray.GetPoint(enter);
            screenPositions[index] = position;
            worldPositions[index] = new Vector3(point.x, worldPositions[index].y, point.z);

            if (worldPositions.Count > 2)
            {
                polygon.SetVertices(worldPositions.ToArray());
                Info.position = polygon.getCenterOfGravityPoint(worldPositions) + InfoOffset;
            }
            if (record)
            {
                AddRecordChangePosition(index, position, point);
            }
            return true;
        }
        else
        {
            return false;
        }        
    }
    public void ReplayChangePosition(int index, Vector3 position, Vector3 mousePosition, RecordSetAreaChange arg)
    {
        screenPositions[index] = position;
        worldPositions[index] = new Vector3(arg.point.x, worldPositions[index].y, arg.point.z);

        if (worldPositions.Count > 2)
        {
            polygon.SetVertices(worldPositions.ToArray());
            Info.position = polygon.getCenterOfGravityPoint(worldPositions) + InfoOffset;
        }
    }
    /// <summary>
    /// 添加拖拽记录
    /// </summary>
    /// <param name="index"></param>
    /// <param name="position"></param>
    public void AddRecordChangePosition(int index, Vector3 position,Vector3 point)
    {
        if (ReplaySetting.PlayStatus == PlayStatus.isEditor && RecordManager.Instance.recordStatus == RecordStatus.normal)
        {
            var eventData = new EventData();
            eventData.time = RecordManager.Instance.RecordTimer;
            eventData.cloneObjType = CloneObjType.SetArea;
            eventData.eventType = RecordEventType.SetAreaChange;
            var data = new RecordSetAreaChange();
            data.gameObjType = CloneObjType.SetArea;
            data.objectName = gameObject.gameObject.name;
            data.index = index;
            data.position = position;
            data.point = point;
            string json = Newtonsoft.Json.JsonConvert.SerializeObject(data);
            eventData.json = json;
            RecordManager.Instance.jsonData.eventDataList.Add(eventData);
        }
    }  
    private bool getRayCastAll(Ray ray)
    {
        bool rayCast = false;
        //Ray ray = Camera.main.ScreenPointToRay(point); 
        RaycastHit[] hits;
        //int notRendering = LayerMask.NameToLayer("NotRendering");
        int ignoreRaycast = LayerMask.NameToLayer("Ignore Raycast");
        hits = Physics.RaycastAll(ray, Mathf.Infinity, ~(1 << ignoreRaycast));
        System.Array.Sort(hits, (r1, r2) => r1.distance.CompareTo(r2.distance));
        for (var i = 0; i < hits.Length; i++)
        {
            var hitpoint = hits[i];
            var renderer = hitpoint.collider.GetComponent<Renderer>();
            if (renderer)
            {
                if (renderer.enabled)
                {
                    rayCast = true;
                    hit = hitpoint;
                    //Debug.Log("----->"+hit.collider.name);
                    break;
                }
            }
            else
            {
                var renderers = hitpoint.transform.GetComponentsInChildren<Renderer>();
                for (int k = 0; k < renderers.Length; k++)
                {
                    if (renderers[k].enabled)
                    {
                        rayCast = true;
                        hit = hitpoint;
                        //Debug.Log("----->"+hit.collider.name);
                        break;
                    }
                }
                if (rayCast)
                {
                    break;
                }
            }
        }
        return rayCast;
    }
    /// <summary>
    /// 更改多边形面片的高度。
    /// </summary>
    public void ChangeHeight(float height)
    {
        for (var i = 0; i < screenPositions.Count; ++i)
        {
            var worldPos = worldPositions[i] + new Vector3(0, height, 0);
            var screenPos = Camera.main.WorldToScreenPoint(worldPos);

            worldPositions[i] = worldPos;
            screenPositions[i] = screenPos;

            var rectTransform = vertices[i].transform as RectTransform;
            if (Canvas.renderMode == RenderMode.ScreenSpaceOverlay)
            {
                Vector2 anchoredPos;
                if (RectTransformUtility.ScreenPointToLocalPointInRectangle(PolyVerticeFather, screenPos, null, out anchoredPos))
                    rectTransform.anchoredPosition = anchoredPos;
            }
            else if (Canvas.renderMode == RenderMode.ScreenSpaceCamera)
            {
                Vector2 mousePos;
                if (RectTransformUtility.ScreenPointToLocalPointInRectangle(PolyVerticeFather, screenPos, Canvas.worldCamera, out mousePos))
                    rectTransform.anchoredPosition = mousePos;
            }

            if (worldPositions.Count > 2)
                polygon.SetVertices(worldPositions.ToArray());
        }
        Info.position = worldPositions[0] + new Vector3(0, 5, 0);
    }

    public void Destroy()
    {
        for (var i = 0; i < vertices.Count; ++i)
            Destroy(vertices[i]);

        Destroy(gameObject);
    }

    /// <summary>
    /// 显示多边形面片。
    /// </summary>
    public void Show()
    {
        for (var i = 0; i < vertices.Count; ++i)
            vertices[i].SetActive(true);

        gameObject.SetActive(true);
    }

    /// <summary>
    /// 隐藏多边形面片。
    /// </summary>
    public void Hide()
    {
        for (var i = 0; i < vertices.Count; ++i)
            vertices[i].SetActive(false);

        //  gameObject.SetActive(false);
    }

    /// <summary>
    /// 创建面片。
    /// </summary>
    public void CreatePolygon(List<Vector3> worldPositions, Color color, string Name, float offset = 1)
    {
        for (var i = 0; i < vertices.Count; ++i)
        {
            Destroy(vertices[i]);
        }
        this.worldPositions = worldPositions;
        this.screenPositions.Clear();
        this.vertices.Clear();
        Info.gameObject.SetActive(true);
        var s = Info.gameObject.AddComponent<CloneGameObjInfo>();
        s.buildNum = GetComponent<CloneGameObjInfo>().buildNum;
        s.gameObjType = GetComponent<CloneGameObjInfo>().gameObjType;
        s.floorNum = GetComponent<CloneGameObjInfo>().floorNum;
        s.interlayerNum = GetComponent<CloneGameObjInfo>().interlayerNum;
        //s.deltaFloor = GetComponent<CloneGameObjInfo>().deltaFloor;
        Info.Find("Name").GetComponent<TextMesh>().text = Name;
        this.Color = color;
        CreateUI();
        if (worldPositions.Count > 2)
            Info.position = polygon.getCenterOfGravityPoint(worldPositions) + InfoOffset + new Vector3(0, offset, 0);    // Info.transform.position = worldPositions[0] + new Vector3(0, offset, 0);
        polygon.SetVertices(worldPositions.ToArray());
    }
    public void DeleteUI()
    {
        for (var i = 0; i < vertices.Count; ++i)
        {
            Destroy(vertices[i]);
        }
    }


    private void CreateUI()
    {
        for (var i = 0; i < worldPositions.Count; ++i)
        {
            var screenPos = Camera.main.WorldToScreenPoint(worldPositions[i]);

            screenPositions.Add(screenPos);

            var go = Instantiate(VerticePrefab);
            var rectTransform = go.transform as RectTransform;
            rectTransform.parent = PolyVerticeFather;
            rectTransform.localScale = Vector3.one;
            var script = go.GetComponent<DragVertice>();
            script.PolygonController = this;
            script.Canvas = Canvas;

            vertices.Add(go);
            if (Canvas.renderMode == RenderMode.ScreenSpaceOverlay)
            {
                Vector2 anchoredPos;
                if (RectTransformUtility.ScreenPointToLocalPointInRectangle(PolyVerticeFather, screenPos, null, out anchoredPos))
                    rectTransform.anchoredPosition = anchoredPos;
            }
            else if (Canvas.renderMode == RenderMode.ScreenSpaceCamera)
            {
                Vector2 mousePos;
                if (RectTransformUtility.ScreenPointToLocalPointInRectangle(PolyVerticeFather, screenPos, Canvas.worldCamera, out mousePos))
                    rectTransform.anchoredPosition = mousePos;
            }
        }
        Hide();
    }

    private void RefreshUI()
    {
        for (var i = 0; i < worldPositions.Count; ++i)
        {
            var screenPos = Camera.main.WorldToScreenPoint(worldPositions[i]);
            var currPos = screenPositions[i];

            if (screenPos.x != currPos.x || screenPos.y != currPos.y)
            {
                screenPositions[i] = screenPos;
                // 刷新 UI 位置
                var rectTransform = vertices[i].transform as RectTransform;
                if (Canvas.renderMode == RenderMode.ScreenSpaceOverlay)
                {
                    Vector2 anchoredPos;
                    if (RectTransformUtility.ScreenPointToLocalPointInRectangle(PolyVerticeFather, screenPos, null, out anchoredPos))
                        rectTransform.anchoredPosition = anchoredPos;
                }
                else if (Canvas.renderMode == RenderMode.ScreenSpaceCamera)
                {
                    Vector2 mousePos;
                    if (RectTransformUtility.ScreenPointToLocalPointInRectangle(PolyVerticeFather, screenPos, Canvas.worldCamera, out mousePos))
                        rectTransform.anchoredPosition = mousePos;
                }
            }
        }
    }
}