source: binary-improvements/7dtd-server-fixes/src/CustomCommands/TeleportPlayer.cs@ 198

using AllocsFixes.PersistentData;
using System;
using System.Collections.Generic;
using UnityEngine;

namespace AllocsFixes.CustomCommands
{
        public class TeleportPlayer : ConsoleCommand
        {
                public TeleportPlayer (ConsoleSdtd cons) : base(cons)
                {
                }

                public override string Description ()
                {
                        return "teleport a player to a given location";
                }

                public override string[] Names ()
                {
                        return new string[] { "teleportplayer", "tele" };
                }

                public override void Run (string[] _params)
                {
                        try {
                                if (_params.Length != 4 && _params.Length != 2) {
                                        m_Console.SendResult ("Usage: teleportplayer <entityid|playername|steamid> <x> <y> <z>");
                                        m_Console.SendResult ("   or: teleportplayer <entityid|playername|steamid> <target entityid|playername|steamid>");
                                } else {
                                        Player p1 = PersistentContainer.Instance.Players.GetPlayerByNameOrId (_params [0], true);
                                        if (p1 == null) {
                                                m_Console.SendResult ("Playername or entity/steamid id not found.");
                                                return;
                                        }
                                        if (!p1.IsOnline) {
                                                m_Console.SendResult ("Player not online.");
                                                return;
                                        }

                                        if (_params.Length == 4) {
                                                int x = int.MinValue;
                                                int y = int.MinValue;
                                                int z = int.MinValue;

                                                int.TryParse (_params [1], out x);
                                                int.TryParse (_params [2], out y);
                                                int.TryParse (_params [3], out z);

                                                if (x == int.MinValue || y == int.MinValue || z == int.MinValue) {
                                                        m_Console.SendResult ("At least one of the given coordinates is not a valid integer");
                                                        return;
                                                }

                                                p1.Entity.position.x = x;
                                                p1.Entity.position.y = y;
                                                p1.Entity.position.z = z;
                                        } else {
                                                Player p2 = PersistentContainer.Instance.Players.GetPlayerByNameOrId (_params [1], true);
                                                if (p2 == null) {
                                                        m_Console.SendResult ("Target playername or entity/steamid id not found.");
                                                        return;
                                                }
                                                if (!p2.IsOnline) {
                                                        m_Console.SendResult ("Target player not online.");
                                                        return;
                                                }

                                                p1.Entity.position = p2.Entity.GetPosition();
                                        }

                                        NetPackage_EntityPosAndRot pkg = new NetPackage_EntityPosAndRot (p1.Entity);

                                        p1.ClientInfo.netConnection [0].Send (pkg);
                                }
                        } catch (Exception e) {
                                Log.Out ("Error in TeleportPlayer.Run: " + e);
                        }
                }

        }
}