////////////////
public static void SendToServer(int beg_tile_x, int beg_tile_y, int end_tile_x, int end_tile_y)
{
var factory = new MyFactory(beg_tile_x, beg_tile_y, end_tile_x, end_tile_y);
TunnelEntitySpawnProtocol protocol = factory.Create();
protocol.SendToServer(false);
}
////////////////
protected override void Receive(int from_who)
{
TrainTunnelTileEntity.AwaitingExitTunnelPosition = new Point16(this.EndTileX, this.EndTileY);
TunnelEntitySpawnProtocol.PlaceEntity(this.BegTileX, this.BegTileY);
}