internal override void Update(MySmallShipBot bot)
        {
            base.Update(bot);

            MyEntity    enemy = bot.GetEnemy();
            MyDrillBase drill = bot.Weapons.GetMountedDrill();

            if (enemy != null && drill != null)
            {
                Vector3 botToEnemy = enemy.GetPosition() - bot.GetPosition();
                float   distance   = botToEnemy.Length();
                if (distance <= (bot.DrillDistance + bot.WorldVolume.Radius + enemy.WorldVolume.Radius))
                {
                    if (drill.CurrentState == MyDrillStateEnum.InsideShip)
                    {
                        drill.Eject();
                    }
                    else
                    {
                        drill.Shot(null);
                    }
                }
                else
                {
                    // pull drill back
                    if (drill.CurrentState == MyDrillStateEnum.Activated)
                    {
                        drill.Eject();
                    }
                }

                bot.Move(enemy.GetPosition(), enemy.GetPosition(), enemy.WorldMatrix.Up, distance < 100);
            }
        }
        /// <summary>
        /// Shots from drill
        /// </summary>
        public void FireDrill()
        {
            var harvester = GetMountedHarvestingDevice();

            if (harvester != null && harvester.IsHarvesterActive)
            {
                return;
            }

            MyDrillBase drill = GetMountedDrill();

            if (drill != null)
            {
                this.m_ship.InitGroupMaskIfNeeded();
                drill.Eject();
            }
        }