MineViewer.SMPInterface.LoadPackets C# (CSharp) Method

        static void LoadPackets()
        {
            if (Loaded) return;
            #region LENGTHS
            PacketTypeLengths[(int)PacketTypes.Transaction] = 4;
            PacketTypeLengths[(int)PacketTypes.UpdateProgBar] = 5;
            PacketTypeLengths[(int)PacketTypes.PreChunk] = 9;
            PacketTypeLengths[(int)PacketTypes.AttachEntity] = 8;
            PacketTypeLengths[(int)PacketTypes.EntStatus] = 5;
            PacketTypeLengths[(int)PacketTypes.EntTeleport] = 18;
            PacketTypeLengths[(int)PacketTypes.EntLookRelMove] = 9;
            PacketTypeLengths[(int)PacketTypes.EntLook] = 6;
            PacketTypeLengths[(int)PacketTypes.EntRelMove] = 7;
            PacketTypeLengths[(int)PacketTypes.Entity] = 4;
            PacketTypeLengths[(int)PacketTypes.DestroyEnt] = 4;
            PacketTypeLengths[(int)PacketTypes.EntVel] = 10;
            PacketTypeLengths[(int)PacketTypes.MobSpawn] = 19;
            PacketTypeLengths[(int)PacketTypes.AddObject] = 17;
            PacketTypeLengths[(int)PacketTypes.CollectItem] = 8;
            PacketTypeLengths[(int)PacketTypes.PickupSpawn] = 24;
            PacketTypeLengths[(int)PacketTypes.Animation] = 5;
            PacketTypeLengths[(int)PacketTypes.TimeUpdate] = 8;
            PacketTypeLengths[(int)PacketTypes.EntityEquipment] = 10;
            PacketTypeLengths[(int)PacketTypes.UseEntity] = 9;
            PacketTypeLengths[(int)PacketTypes.UpdateHealth] = 2;
            PacketTypeLengths[(int)PacketTypes.Respawn] = 0;
            PacketTypeLengths[(int)PacketTypes.Player] = 1;
            PacketTypeLengths[(int)PacketTypes.PlayerPosition] = 33;
            PacketTypeLengths[(int)PacketTypes.PlayerLook] = 9;
            PacketTypeLengths[(int)PacketTypes.PlayerPosLook] = 41;
            PacketTypeLengths[(int)PacketTypes.PlayerDigging] = 11;
            PacketTypeLengths[(int)PacketTypes.PlayerBlockPlace] = 12;
            PacketTypeLengths[(int)PacketTypes.HoldingChange] = 6;
            PacketTypeLengths[(int)PacketTypes.EntityAction] = 5;
            PacketTypeLengths[(int)PacketTypes.Unknown36] = sizeof(int) + sizeof(short) + sizeof(int) + sizeof(byte) + sizeof(byte);
            #endregion

            Assembly asm = Assembly.GetExecutingAssembly();
            foreach (Type type in asm.GetTypes())
            {
                if (type.Namespace == "MineViewer.SMPPackets")
                {
                    MethodInfo info = type.GetMethod("Init");
                    info.Invoke(null, null);
                }
            }
            Loaded = true;
        }