def setup_quest_for_hero(hero, knowledge_base_data):
# do nothing if hero has already had quest
if not hero.actions.current_action.searching_quest:
return
knowledge_base = KnowledgeBase.deserialize(knowledge_base_data,
fact_classes=facts.FACTS)
states_to_percents = analysers.percents_collector(knowledge_base)
quest = QuestPrototype(hero=hero,
knowledge_base=knowledge_base,
states_to_percents=states_to_percents)
if quest.machine.can_do_step():
quest.machine.step() # do first step to setup pointer
hero.actions.current_action.setup_quest(quest)
