powerfun-unity/Assets/Scripts/Scenes/VideoRide/NearVideoPlayerList.cs

using Assets.Scenes.Ride.Scripts;
using PolyAndCode.UI;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using UnityEngine;
using UnityEngine.UI;

namespace Assets.Scripts.Scenes.VideoRide
{
    public class ContactInfo
    {
        public string Name;
        public string Gender;
        public string id;
    }
    class NearVideoPlayerList : MonoBehaviour, IRecyclableScrollRectDataSource
    {
        [SerializeField]
        RecyclableScrollRect _recyclableScrollRect;

        [SerializeField]
        RectTransform _rectTransform;

        [SerializeField]
        private int _dataLength;


        private bool _isInit;

        //Dummy data List
        private List<ContactInfo> _contactList = new List<ContactInfo>();

        private VideoGameManager manager { get; set; }

        //Recyclable scroll rect's data source must be assigned in Awake.
        private void Awake()
        {
            InitData();
            _recyclableScrollRect.DataSource = this;
            manager = FindObjectOfType<VideoGameManager>();
        }

        private void InitData()
        {
            if (_contactList != null) _contactList.Clear();
            var list = MapUDPService.GetOnlineUsers(App.RouteIdParam);
            list = list.Where(c => c.Id != App.CurrentUser.Id).ToList();
            foreach (var item in list)
            {
                _isInit = true;
                ContactInfo obj = new ContactInfo();
                obj.Name = item.Name;
                obj.Gender = ""; 
                obj.id = item.Id.ToString();
                _contactList.Add(obj);
            }
        }
        float timer = 1f;
        private void Update()
        {
            timer -= Time.deltaTime;
            while (timer < 0)
            {
                if (manager.CurrentPlayer == null)
                    return;
                var totalDitance = manager.GetMapData().TotalDistance;
                var currentDistance = manager.CurrentPlayer.totalDistance;
                var currenList = GetComponentsInChildren<ListItem>(true);
                var list = MapUDPService.GetOnlineUsers(App.RouteIdParam,manager.cyclingController.recorderData.RoomId);//最新列表
                var currentPlayerInfo = list.Where(c => c.Id.ToString() == manager.CurrentPlayer.UserId.ToString()).FirstOrDefault();
                list = list.Where(c => c.Id != App.CurrentUser.Id).ToList();
                if (currenList.Count() == 0 && list.Count() > 0)
                {
                    InitData();
                    if (_recyclableScrollRect.SelfInitialize)
                    {
                        _recyclableScrollRect.ReloadData();
                    }
                }
 
                var currentPlayer = FindObjectOfType<VideoPlayer>();
           
                foreach (ListItem o in currenList)
                {
                    if (currentPlayer.UserId.ToString() == o.Id)
                        continue;
                    var needUpdate = list.Where(c => c.Id.ToString() == o.Id).FirstOrDefault();
                    if (needUpdate != null && currentPlayerInfo != null)
                    {
                        var left = Math.Round((needUpdate.EndDistance - currentPlayerInfo.EndDistance) * 1000);
                        o.UpdateItem(needUpdate.Name, left.ToString() + "M", needUpdate.Id.ToString());
                        o.gameObject.SetActive(true);
                    }
                    else
                    {
                        o.gameObject.SetActive(false);
                    }
                }

                foreach (var item in list)
                {
                    var newOne = _contactList.Where(c => c.id == item.Id.ToString()).FirstOrDefault();
                    if (newOne == null)
                    {
                        var one = new ContactInfo();
                        one.Name = item.Name;
                        one.Gender = "";
                        one.id = item.Id.ToString();
                        _contactList.Add(one);
                        _recyclableScrollRect.ReloadData();
                    }
                }
                timer +=1f;
            }
        }

        #region DATA-SOURCE

        /// <summary>
        /// Data source method. return the list length.
        /// </summary>
        public int GetItemCount()
        {
            return _contactList.Count;
        }

        /// <summary>
        /// Data source method. Called for a cell every time it is recycled.
        /// Implement this method to do the necessary cell configuration.
        /// </summary>
        public void SetCell(ICell cell, int index)
        {
            //Casting to the implemented Cell
            var item = cell as ListItem;
            item.ConfigureCell(_contactList[index], index);
        }

        #endregion
    }
}