def level_check(self):
"""Checks whether we should level up or down."""
if self.happiness > self.__get_data("happiness_level_up_requirement") and \
self.level < self.level_max:
# add a production line that gets the necessary upgrade material.
# when the production finished, it calls level_up as callback.
upgrade_material_prodline = self.session.db.get_settler_upgrade_material_prodline(self.level+1)
if self.has_production_line(upgrade_material_prodline):
return # already waiting for res
upgrade_material_production = SingleUseProduction(self.inventory, upgrade_material_prodline)
upgrade_material_production.add_production_finished_listener(self.level_up)
# drive the car out of the garage to make space for the building material
for res, amount in upgrade_material_production.get_consumed_resources().iteritems():
self.inventory.add_resource_slot(res, abs(amount))
self.add_production(upgrade_material_production)
self.log.debug("%s: Waiting for material to upgrade from %s", self, self.level)
elif self.happiness < self.__get_data("happiness_level_down_limit"):
self.level_down()
self._changed()
