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この質問の末尾にあるこのコードを見てくださいクラスはどのように切り替わりますか？
これは、Pythonの学習に関する本です。私の質問は、特にplayメソッドがゲームを次の段階（クラス）に切り替える方法を示しています。すべてのクラスの一番下にあるreturn文と関係がありますか？私は「Death.enter（）」や「Map.scenes.get ['death']。enter（）」のように終わりのステートメントを期待していました。 current_sceneは、単に "central_corridor"であるマップクラスのopening_sceneメソッドを呼び出すと、次のシーンにどのように変化しますか？私はいつも "central_corridor"にとどまると思っていました。また、シーンクラスを持つことも良いアイデアですか、どのようなコードがそこにあるでしょうか？
EDIT：whileループのために不足しているコードの行は、現在Sceneサブクラス、例えばCentralCorridor、LaserWeaponArmory、ETC-戻り、次の名前としての最もに実装enter()方法は
from sys import exit
from random import randint
class Scene(object): #It's python3 but I'm used to this
def enter(self):
print("This scene is not yet configured." +
"Subclass it and implement enter()")
exit(1)
class Engine(object):
def __init__(self, scene_map):
self.scene_map = scene_map
def play(self):
current_scene = self.scene_map.opening_scene()
while True:
print('\n', '-' * 20)
next_scene_name = current_scene.enter()
current_scene = self.scene_map.next_scene(next_scene_name)
class Death(Scene):
quips = [
"You died. You kinda suck at this.",
"Your mom would be so proud...if she were smarter",
"Such a loser.",
"I have a small puppy that's better at this"
]
def enter(self):
print(Death.quips[randint(0, len(self.quips)-1)])
exit(1)
class CentralCorridor(Scene):
def enter(self):
print("""
The Gothons of Planet Percal #25 have invaded your ship and destroyed
your entire crew. You are the last surviving member and the last
mission is to get the neutron destruct bomb from the Weapon Armory
put it in the bridge, and blow the ship up after getting into
an escape pod.
\n
You're running down the central corridor to the Weapons Armory when
a Gothon jumps out, red scaly skin, dark grimy teeth, and evil clown
costume flowing around his hate filled body. He's blocking the door to
the armory and about to pull out a weapon to blast you
""")
action = input(">> ")
if action == "shoot!":
print("""
Quick on the draw you yank out your blast and fire it at the Gothon.
His clown costume is flowing and moving around his body, which throws
off your aim. Your laser hits his costume but misses him entirely.
This completely ruins his brand new costume his mother bought for him,
which makes him fly into rage and blast you repeatedly in the face
until you are dead, then he eats you
""")
return('death')
elif action == "dodge!":
print("""
Like a world clas boxer, you dodge, weave, slip and slide to the right
as the Gothon's blaster cranks a laser past your head.
In the middle of your artful dodge yor foot slips and you bang your
head on the metal wall and pass out. You wake up shortly after only
to die as the Gothon stomps on your head and eats you.
""")
return('death')
elif action == 'tell a joke':
print("""
Luck for you, they made you learn Gothn insults in the academy.
You tell one Gothon joke you know:
Lbhe zbgure vf fb sng, jura fur fvgf nebhaq gur ubhfr, fur fvgf nebhaq
the Gothon stops, tries not to laugh, then bursts out laughing and can't move
while he's laughing you run up and shoot him square in the head
putting him down, then jump through the Weapon Armory door
""")
return('laser_weapon_armory')
else:
print("DOES NOT COMPUTE")
return('central_corridor')
class LaserWeaponArmory(Scene):
def enter(self):
print("""
You do a dive roll into the Weapon Armory, crouch and scan the room
for more Gothons that might be hiding. It's dead quiet, too quiet.
You stand up and run to the far side of the room and find the neutron
bomb in its container. There's a keypad lock on the box and you need to
get the bomb out. If you get the code wrong 10 times then the lock closes
forever and you can't get the bomb. The code is 3 digits.
""")
code = "%d%d%d"%(randint(1,9), randint(1,9), randint(1,9))
int(code)
guess = int(input("[keypad]>> "))
guesses = 0
while guess != code and guesses < 10:
print("BZZZEDDD!!")
guess += 1
guess = int(input("[keypad]>> "))
if guess == code:
print("""
The container clicks open and the seal breaks, letting gas out
You grab the neutron bomb and run as fast as you can to the bridge
where you must place it in the right spot
""")
return('the_bridge')
else:
print("""
The lock buzzes one last time and then you hear a sickening melting
sound as the mechanism is fused together. You decide to sit there,
and finally the Gothons blow up the ship from their ship and you died
""")
return('death')
class TheBridge(Scene):
def enter(self):
print("""
You burst onto the bridge with the neutron destruct bomb under your arm
and surprise 5 Gothons who are trying to take control of the ship. Each
of them has an even uglier clown costume than the last. They haven't pulled
out their weapons yet, as they see the active bomb under your hand and don't
want to set it off.
""")
action = input(">> ")
if action == "throw the bomb":
print("""
In a panic you throw the bomb at a group of Gothons and make a leap
for the door. Right as you drop it a Gothon shoots you right in the
back killing you. As you die you see another Gothon frantically try
to disarm the bomb. You die knowing that they will probably blow up
when the bomb goes off
""")
return('death')
elif action == "slowly place the bomb":
print("""
You point your blaster at the bomb under your arm and the Gothons put
their hands up and start to sweat. You inch backwards to the door,
open it, and then carefully place the bomb on the floor, pointing your
blaster at it. You then jump back through the door, punch the close
button and blast the lock so the Gothons can't get out. Now that the
bomb is placed you run to the escape pod to get off this tin can
""")
return('escape_pod')
else:
print('DOES NOT COMPUTE')
return('the_bridge')
class EscapePod(Scene):
def enter(self):
print("""
You rush through the shop desperately trying to make it to the escape pod
before the whole ship explodes. It seems like harldy any Gothons are on the
ship, so your run is clear of interference You get to the chamber with the
escape pods, and now need to pick one to take. There's 5 pods which one do
you take?
""")
good_pod = randint(1,5)
guess = int(input("Pod Number>> "))
if guess == good_pod:
print("""
You jump into pod %d and hit the eject button.
The pod escapes out into the void of space, then
implodes as the hull ruptures, crushing your body
into jam jelly
"""%guess)
return('death')
else:
print("""
You jump into pod %d and hit the ejet button and the pod
easily slides out into space heading to the planet below.
As it flies to the planet, you look back and see your ship
implode and then explode like a bright star, taking out the
Gothon ship at the same time.
YOOUU WON!!
"""%guess)
return('finished')
class Map(object):
scenes = {
'central_corridor': CentralCorridor(),
'laser_weapon_armory': LaserWeaponArmory(),
'the_bridge': TheBridge(),
'escape_pod': EscapePod(),
'death': Death()
}
def __init__(self, start_scene):
self.start_scene = start_scene
def next_scene(self, scene_name):
return(Map.scenes.get(scene_name))
def opening_scene(self):
return(self.next_scene(self.start_scene))
a_map = Map('central_corridor')
a_game = Engine(a_map)
a_game.play()
問題を指摘できますか？私はすべてのコードを実行して、あなたのためにそれをデバッグするつもりはありません。 –