回答編集履歴
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バグが蔓延する要因になるので、むしろ一切使わない方法を検討すべきです。
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書いてみた
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---
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雑な作りですが、クラスを使った例です。
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**main.py**
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```Python
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from player import Player
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from non_player import choose_event
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hero = Player(money=1000)
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for _ in range(5):
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event = choose_event()
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hero.print_status()
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hero.process_event(
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event()
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)
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print()
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```
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**player.py**
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```Python
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from event import EventType
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class Player:
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def __init__(self, money):
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self._money = money
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self._action_table = {
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EventType.DO_NOTHING: lambda: None,
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EventType.GET_MONEY: self._add_money,
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}
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def process_event(self, event):
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self._action_table[event.event_type](*event.args)
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def print_status(self):
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print(f'現在の所持金{self._money}')
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def _add_money(self, value):
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print(f'{value}円を手に入れた！')
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self._money += value
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```
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**non_player.py**
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```Python
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from event import Event, EventType
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class _NonPlayer:
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def __init__(self, name, event):
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self.name = name
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self.event = event
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def _event_stub():
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print('特に用はないよ')
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return Event(EventType.DO_NOTHING)
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def _banker_event():
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print('ここは銀行です')
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print('これをきみにあげよう')
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return Event(EventType.GET_MONEY, 500)
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npcs = [
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_NonPlayer('村人', _event_stub),
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_NonPlayer('武器屋', _event_stub),
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_NonPlayer('銀行屋', _banker_event),
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]
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def choose_event():
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print('誰と話す?', end='')
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for i, npc in enumerate(npcs, start=1):
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print(f'[{i}]{npc.name}', end='')
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num = int(input(' '))
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return npcs[num-1].event
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```
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**event.py**
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```Python
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from enum import Enum, auto
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class EventType(Enum):
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DO_NOTHING = auto()
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GET_MONEY = auto()
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class Event:
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def __init__(self, event_type, *args):
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self.event_type = event_type
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self.args = args
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```
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**実行例**
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```plain
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>python main.py
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誰と話す?[1]村人[2]武器屋[3]銀行屋 1
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現在の所持金1000
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特に用はないよ
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誰と話す?[1]村人[2]武器屋[3]銀行屋 2
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現在の所持金1000
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特に用はないよ
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誰と話す?[1]村人[2]武器屋[3]銀行屋 3
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現在の所持金1000
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ここは銀行です
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これをきみにあげよう
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500円を手に入れた！
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誰と話す?[1]村人[2]武器屋[3]銀行屋 2
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現在の所持金1500
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特に用はないよ
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誰と話す?[1]村人[2]武器屋[3]銀行屋 3
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現在の所持金1500
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ここは銀行です
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これをきみにあげよう
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500円を手に入れた！
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```
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