Stuff

        for (L2Object object : _knownObjects)        {            if (object != null && object instanceof L2MonsterInstance)            {                L2MonsterInstance mob   = (L2MonsterInstance)object;                Point3D posMob          = mob.getWorldPosition();                Point3D posMe           = getWorldPosition();                if (Point3D.distanceLessThan(posMob, posMe, 80)                        && mob.getHeading() - Math.atan2(posMe.getX() - posMob.getX(), posMe.getY() - posMob.getY()) < 40)                {                                    }            }        }