source: binary-improvements2/WebServer/src/WebAPI/GetPlayersLocation.cs@ 391

using System.Collections.Generic;
using AllocsFixes.JSON;
using AllocsFixes.PersistentData;
using JetBrains.Annotations;

namespace Webserver.WebAPI {
        [UsedImplicitly]
        public class GetPlayersLocation : AbsWebAPI {
                public override void HandleRequest (RequestContext _context) {
                        AdminTools admTools = GameManager.Instance.adminTools;
                        PlatformUserIdentifierAbs reqUserId = _context.Connection?.UserId;

                        bool listOffline = false;
                        if (_context.Request.QueryString ["offline"] != null) {
                                bool.TryParse (_context.Request.QueryString ["offline"], out listOffline);
                        }

                        bool bViewAll = WebConnection.CanViewAllPlayers (_context.PermissionLevel);

                        JsonArray playersJsResult = new JsonArray ();

                        Players playersList = PersistentContainer.Instance.Players;

                        foreach ((PlatformUserIdentifierAbs userId, Player player) in playersList.Dict) {
                                if (admTools != null) {
                                        if (admTools.IsBanned (userId, out _, out _)) {
                                                continue;
                                        }
                                }

                                if (!listOffline && !player.IsOnline) {
                                        continue;
                                }

                                if (!bViewAll && !player.PlatformId.Equals (reqUserId)) {
                                        continue;
                                }

                                JsonObject pos = new JsonObject ();
                                pos.Add ("x", new JsonNumber (player.LastPosition.x));
                                pos.Add ("y", new JsonNumber (player.LastPosition.y));
                                pos.Add ("z", new JsonNumber (player.LastPosition.z));

                                JsonObject pJson = new JsonObject ();
                                pJson.Add ("steamid", new JsonString (userId.CombinedString));

                                //                                      pJson.Add("entityid", new JSONNumber (p.EntityID));
                                //                    pJson.Add("ip", new JSONString (p.IP));
                                pJson.Add ("name", new JsonString (player.Name));
                                pJson.Add ("online", new JsonBoolean (player.IsOnline));
                                pJson.Add ("position", pos);

                                //                                      pJson.Add ("totalplaytime", new JSONNumber (p.TotalPlayTime));
                                //                                      pJson.Add ("lastonline", new JSONString (p.LastOnline.ToString ("s")));
                                //                                      pJson.Add ("ping", new JSONNumber (p.IsOnline ? p.ClientInfo.ping : -1));

                                playersJsResult.Add (pJson);
                        }

                        WebUtils.WriteJson (_context.Response, playersJsResult);
                }
        }
}