adventure game sketch

scenes.py

import random

GEORGI_TEXT = """
    GEORGI IS HERE!!!!
    Maybe you should [C]all for help.
"""


class Scene(object):

    @classmethod
    def enter(cls):
        cls.display(cls.entry_text)
        if getattr(cls, 'has_georgi', False):
            cls.display(GEORGI_TEXT)
            cls.action_map.update(GEORGI_ACTION)
        return cls.react()

    @classmethod
    def display(cls, content):
        print(content)

    @classmethod
    def react(cls):
        action = raw_input("> ")
        destination = cls.action_map.get(action)
        if not destination:
            cls.display("That didn't work")
            return cls
        return destination


class DiningRoom(Scene):
    entry_text = """
    You are in the dining room.
    It looks like the Kitchen is to your [N]orth
    """
    state_name = 'dining_room'


class Kitchen(Scene):
    entry_text = """
    You are in the Kitchen
    It looks like the dining room is to your [S]outh
    """
    state_name = 'kitchen'


class Escape(Scene):
    entry_text = """
    You are escaping! Great!
    """


SCENE_ACTIONS = {
    DiningRoom:  {
        'N': Kitchen
    },
    Kitchen: {
        'S': DiningRoom
    }
}

GEORGI_ACTION = {
    'C': Escape
}


class Engine(object):
    def __init__(self, starting_scene):
        self.starting_scene = starting_scene
        self.initialize_georgi()

    @classmethod
    def handle_scene(cls, scene):
        return scene.enter()

    def start(self):
        return Engine.handle_scene(self.starting_scene)

    def initialize_georgi(self):
        scene_list = SCENE_ACTIONS.keys()
        scene_list.remove(self.starting_scene)
        lucky_scene = random.choice(scene_list)
        lucky_scene.has_georgi = True


def register_action_maps():
    for scene, actions in SCENE_ACTIONS.iteritems():
        scene.action_map = actions

register_action_maps()

if __name__ == '__main__':
    game = Engine(DiningRoom)
    next_scene = game.start()
    while True:
        next_scene = game.handle_scene(next_scene)