Python类（基本）

Question

工作代码是在这里：http://codepad.org/L0OkeHlk

from sys import exit 

class Map(object): 

    def __init__(self, start): 
     self.start = start 

    def play(self): 
     next = self.start 

     while True: 
      print "\n---------" 
      room = getattr(self,next) 
      next = room() 

    def death(self): 
     exit(1) 

    def redroom(self): 
     prompt = raw_input("> ") 
     if "white" in prompt: 
      return "whiteroom" 
     elif "blue" in prompt: 
      return "blueroom" 
     else: 
      print "DOES NOT COMPUTE (RED ROOM)" 
      return 'death' 

    def whiteroom(self): 
     prompt = raw_input("> ") 
     if "red" in prompt: 
      return "redroom" 
     elif "blue" in prompt: 
      return "blueroom" 
     else: 
      print "DOES NOT COMPUTE (WHITE ROOM)" 
      return 'death' 

    def blueroom(self): 
     prompt = raw_input("> ") 
     if "white" in prompt: 
      return "whiteroom" 
     elif "red" in prompt: 
      return "redroom" 
     else: 
      print "DOES NOT COMPUTE (BLUE ROOM)" 
      return 'death' 

class Engine(object): 
    pass 

x = Map("redroom") 
x.play() 

上述作品。但仅仅是因为我在一堂课中做了所有事情。我想要玩耍和死亡的功能，并把它们放在他们自己的班里。

我的问题来自两个地方。我如何让Engine类调用地图类中的函数来使游戏工作？我怎么知道在Map/Engine类中初始化什么？我知道我应该初始化一些东西，但是我不知道如何设计它。在决定初始化时，我应该首先考虑什么？

非功能代码（我的最好的尝试）：http://codepad.org/ELlaHQiB

from sys import exit 

class Map(object): 

    def redroom(self): 
     prompt = raw_input("> ") 
     if "white" in prompt: 
      return "whiteroom" 
     elif "blue" in prompt: 
      return "blueroom" 
     else: 
      print "DOES NOT COMPUTE (RED ROOM)" 
      return 'death' 

    def whiteroom(self): 
     prompt = raw_input("> ") 
     if "red" in prompt: 
      return "redroom" 
     elif "blue" in prompt: 
      return "blueroom" 
     else: 
      print "DOES NOT COMPUTE (WHITE ROOM)" 
      return 'death' 

    def blueroom(self): 
     prompt = raw_input("> ") 
     if "white" in prompt: 
      return "whiteroom" 
     elif "red" in prompt: 
      return "redroom" 
     else: 
      print "DOES NOT COMPUTE (BLUE ROOM)" 
      return 'death' 

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

    def play(self): 
     next = self.start 

     while True: 
      print "\n---------" 
      room = getattr(self,next) 
      next = room() 

    def death(self): 
     exit(1) 

x = Engine("redroom") 
x.play() 

而且，我不能确定的播放功能。它的作品，但只是因为我从我正在阅读的教程中获得它。下一个变量变为self.start然后在while循环中变成room（）的目的是什么？

Answer 1

这是我会做的。

class Engine(object): 
    def __init__(self,rooms): 
     self.rooms = rooms 
     self.current = 0 

    def next(self): 
     self.rooms[self.current]() 
     self.current += 1 
     if len(self.rooms) == self.current: 
      self.current = 0 
      # or whatever logic you want. 

m = Map() 
rooms = [m.redroom, m.whiteroom, m.blueroom] 
e = Engines(rooms) 

e.next() # should call redroom of class Map 
e.next() # should call whiteroon etc