我正在Udemy.com上学习Python课程，我们正在通过构建RPG游戏来练习Python。到目前为止，该游戏对于单个玩家来说还算不错，但是当我们增加3个玩家时，游戏似乎在执行了全部3个玩家攻击后就陷入了僵局。
概念是大约有3位玩家，在游戏开始时会显示玩家统计数据，在所有玩家互相攻击之后（包括敌人在内），玩家统计数据如下所示在图片中，游戏再次要求所有三位玩家的输入，但是它只运行了一次，如下图所示。
我遵循了逐字逐句的代码，并且还发布了与此有关的问题。所以我认为我应该尝试StackoverFlow。 下面是我的代码，请看看为什么它不按原样循环。
主文件
# -*- coding: utf-8 -*-
from game_class.invin import Item
from game_class.game import player
from game_class.magic import Spell
import time
# Player and Enemies magic create
Fire_Shot = Spell('Fire Shot', 10, 45, "Black Magic")
Thunder_Storm = Spell("Thunder Storm",25,65,"Black Magic")
Ninja_Summon = Spell("Ninja Summon",45,75,"Ninjustu")
The_End = Spell("THE END",80,300,"Finisher")
Heal = Spell("HEAL ME",60,140,'Heal')
player_magic = [Fire_Shot,Thunder_Storm,Ninja_Summon,Heal,The_End]
enemy_magic = [
{'Name': "Big Punch", 'cost': 30, "DMG": 45},
{'Name': "Slap", 'cost': 15, "DMG": 25},
{'Name': "Rock Throw", 'cost': 20, "DMG": 30},
{'Name': "Kick", 'cost': 45, "DMG": 60}
]
boss_magic = [
{'Name': "STORM", 'cost': 10, "DMG": 45},
{'Name': "DARK BACK-BITTING", 'cost': 10, "DMG": 25},
{'Name': "D.D.T", 'cost': 10, "DMG": 30}
]
# Items create
potion = Item("Potion", 'Potion', 'Heals for 50 HP', 50)
high_potion = Item("Potion+", 'Potion', 'Heals for 120 HP', 120)
super_potion = Item("Ultra Potion", 'Potion', 'Heal for 250 HP', 250)
elixir = Item("Elixir", 'Elixir', 'Give 1 EVERYTHING BACK', 9000)
high_elixir = Item("Omega Elixir", 'Elixir', 'Give all EVERYTHING BACK', 9000)
bomb = Item("Bomb",'Attack','Deals 350 Damage',350)
player_items = [ {"item":potion,"quantity":3},
{'item':high_potion,"quantity":2}
,{"item":super_potion,"quantity":1}
,{'item':elixir,"quantity":2}
,{'item':high_elixir,"quantity":1}
,{"item": bomb, "quantity": 2} ]
# PLAYER CREATE
Player1 = player('Night Man ',1000, 100, 145, 140, player_magic, player_items)
Player2 = player('Ray Wills ', 1000, 100, 155, 135, player_magic, player_items)
Player3 = player("Randy Orton",1000, 100, 150, 120, player_magic, player_items)
Enemy1 = player("Door Keeper",1500, 200, 250, 150, enemy_magic, None)
BOSS = player("Boss Man",1200, 200, 45, 300, boss_magic, None)
players = [Player1,Player2,Player3]
# Game starts
run = True
i = 1
while run is True:
print ("=======================================")
print("\n\n")
print(" NAME HP MP\n")
for player in players:
player.get_stats()
for player in players:
print("\n")
player.chose_action()
print("=========\n")
print (player.name)
print ("=============")
choice = input("CHOSE ACTION: ")
index = int(choice) - 1
if index == 0:
dmg = player.gen_dmg()
Enemy1.get_dmg(dmg)
print(player.name+ " attacked for " + str(dmg) + " damage points")
elif index == 1:
player.chose_magic()
magic_choice = (int(input("Chose Spell: ")) - 1)
spell = player.magic[magic_choice]
magic_dmg = spell.gen_spell_dmg()
current_mp = player.get_mp()
if magic_choice == -1:
continue
if spell.cost > current_mp:
print ("\nNOT ENOUGH MANA")
continue
if spell.stype == "Heal":
player.heal(magic_dmg)
print (str(magic_dmg) +' HP restored')
print("Remaining Magic Points: " + str(player.get_mp()) +
"/" + str(player.get_max_mp()))
elif spell.stype == "Black Magic" or spell.stype == "Ninjustu" or spell.stype == "Finisher":
player.reduce_mp(spell.cost)
Enemy1.get_dmg(magic_dmg)
print (str(spell.name) + ' did damage of '+ str(magic_dmg) +" points")
print ("Remaining Magic Points: " + str(player.get_mp()) +"/" +str(player.get_max_mp()))
elif index == 2:
player.chose_item()
item_choice = (int(input("Chose Spell: ")) - 1)
if item_choice == -1:
continue
item = player.items[item_choice]['item']
if player.items[item_choice]['quantity'] == 0:
print("No Item...")
continue
player.items[item_choice]['quantity'] -= 1
if item.itype == 'Potion':
player.heal(item.prop)
print("\n"+ str(item.name) + " used and healed for "+ str(item.prop) + " HP")
elif item.itype == "Elixir":
player.hp = Player1.maxhp
player.mp = Player1.maxmp
print ("\n"+"STATS RESTORED BECASUE OF " +str(item.name))
elif item.itype == "Attack":
Enemy1.get_dmg(item.prop)
print ("You used a Bomb & that dealt damage of: " + str(item.prop))
enemy_choice = 1
enemy_dmg = Enemy1.gen_dmg()
Player1.get_dmg(enemy_dmg)
print("========================================")
print("\n")
print ("ENEMY ATTACKED YOU FOR " + str(enemy_dmg) + " POINTS")
print ("ENEMY HP: "+str(Enemy1.get_hp()) +'/'+ str(Enemy1.get_maxhp()))
if Enemy1.get_hp() == 0:
print('')
print ('ENEMY DEAD')
run = False
elif Player1.get_hp() == 0:
print('')
print('YOU DIED')
run = False
elif index == 3:
print("Arigato Gozaimasu for playing")
time.sleep(1)
print ("BYE BYE")
run = False
invin.py
class Item:
def __init__(self, name,itype,desc,prop):
self.name = name
self.itype = itype
self.desc = desc
self.prop = prop
magic.py
import random
class Spell():
def __init__(self, name, cost,dmg,stype):
self.name = name
self.cost = cost
self.dmg = dmg
self.stype = stype
def gen_spell_dmg(self):
low = self.dmg - 15
high = self.dmg + 10
return random.randrange(low,high)
game.py
# -*- coding: utf-8 -*-
from .magic import Spell
import random
class player:
def __init__(self,name, hp , mp , atk ,df ,magic,items):
self.hp = hp
self.name = name
self.items = items
self.mp = mp
self.magic = magic
self.df = df
self.maxhp = hp
self.atkH = atk + 25
self.atkL= atk - 10
self.actions=['Attack',"Magic","Items"]
self.maxmp = mp + 10
def gen_dmg(self):
return random.randrange(self.atkL,self.atkH)
def get_dmg(self,dmg):
self.hp -= dmg
if self.hp < 0:
self.hp = 0
return self.hp
def get_hp(self):
return self.hp
def get_maxhp(self):
return self.maxhp
def get_max_mp(self):
return self.maxmp
def get_mp(self):
return self.mp
def reduce_mp(self,cost):
self.mp -= cost
def spell_cost(self, i):
return self.magic[i]["cost"]
def chose_action(self):
print ("Actions")
print ("===========")
i = 1
for item in self.actions:
print(" " + str(i)+":" + str(item))
i += 1
def chose_magic(self):
print ("Spells")
print ("===========")
i = 1
for spell in self.magic:
print (" " + str(i) + ": " + str(spell.name) + str( " (Cost: " + str ( spell.cost ) +")" ) )
#the 3rd str helps to print it without the brackets
i += 1
def chose_item(self):
print ("Items")
print ("===========")
i = 1
for item in self.items:
print(" " + str(i) + ": " +
str(item['item'].name) + str(" (" + str(item['item'].desc) + ") ") + " (x"+str(item['quantity'])+")")
#the 3rd str helps to print it without the brackets
i += 1
def heal(self,dmg):
self.hp += dmg
def get_stats(self):
hp_bar = ''
bar_ticks = ( (self.hp/self.maxhp) * 100 ) / 4
mp_bar = ''
mp_bar_ticks = ( (self.mp/self.maxmp) * 100 ) / 10
while bar_ticks > 0:
hp_bar += '█'
bar_ticks -= 1
while len(hp_bar) < 25:
hp_bar = " "
while mp_bar_ticks > 0:
mp_bar += '▒'
mp_bar_ticks -= 1
while len(mp_bar) < 10:
mp_bar = " "
hp_string = str(self.hp) + "/"+str(self.maxhp)
current_hp = ''
if len(hp_string) < 9:
decreased = 9 - len(hp_string)
while decreased > 0:
current_hp += ' '
decreased -= 1
current_hp += hp_string
else:
current_hp = hp_string
mp_string = str(self.mp) +"/"+str(self.maxmp)
current_mp = ''
if len(mp_string) < 9:
mp_decreased = 9 - len(mp_string)
while mp_decreased > 0:
current_mp += ' '
mp_decreased -= 1
current_mp += mp_string
else:
current_mp = mp_string
print(" _________________________ __________")
print(str(self.name) + " " + str(hp_string) +
" |"+ hp_bar+"| " + str(mp_string) + " |"+mp_bar+"|")
该游戏是RPG副本，可以通过使用while循环来工作。
每位玩家都有一个回合，然后在所有3位玩家都进攻后显示其状态。
This is how the loop should show player stats after all 3 players attacked
答案 0 :(得分：1)
如果我们比较“ This is how the loop should show player stats after all 3 players attacked”和“ But I'm getting this”的屏幕截图，则通过查看代码可以看到问题是由player.get_stats()的第二次运行引起的。此方法在game.py文件中定义。
在该方法内部，我们可以看到以下两行代码：
while len(hp_bar) < 25:
hp_bar = " "
如果while循环曾经运行，它将永远被卡住。这是因为如果len(hp_bar) < 25为True，则代码执行hp_bar = " "，这反过来使len(hp_bar)现在等于1。现在，这将获取while循环以再次检查len(hp_bar) < 25，并返回True（因为len(hp_bar)为1），因此while循环再次运行。这样会产生无限循环。