'Start the patrolling state by
registering us with the ticker-handler
at a leasurely pace.'

def start_patrolling(self):

    if (not self.db.patrolling):
        self.start_idle()
        return
    self._set_ticker(self.db.patrolling_pace, 'do_patrol')
    self.ndb.is_patrolling = True
    self.ndb.is_hunting = False
    self.ndb.is_attacking = False
    self.db.health = self.db.full_health
