rpg.py

from random import randint


class Character:
    def __init__(self):
        self.name = ""
        self.health = 1
        self.health_max = 1

    def do_damage(self, enemy):
        damage = min(
            max(randint(0, self.health) - randint(0, enemy.health), 0), enemy.health
        )
        enemy.health = enemy.health - damage
        if damage == 0:
            print("%s evades %s's attack." % (enemy.name, self.name))
        else:
            print("%s hurts %s!" % (self.name, enemy.name))
        return enemy.health <= 0


class Enemy(Character):
    def __init__(self, player):
        Character.__init__(self)
        self.name = "a goblin"
        self.health = randint(1, player.health)


class Player(Character):
    def __init__(self):
        Character.__init__(self)
        self.state = "normal"
        self.health = 10
        self.health_max = 10

    def quit(self):
        print(
            "%s can't find the way back home, and dies of starvation.\nR.I.P."
            % self.name
        )
        self.health = 0

    def help(self):
        print(list(Commands.keys()))

    def status(self):
        print("%s's health: %d/%d" % (self.name, self.health, self.health_max))

    def tired(self):
        print("%s feels tired." % self.name)
        self.health = max(1, self.health - 1)

    def rest(self):
        if self.state != "normal":
            print("%s can't rest now!" % self.name)
            self.enemy_attacks()
        else:
            print("%s rests." % self.name)
            if randint(0, 1):
                self.enemy = Enemy(self)
                print("%s is rudely awakened by %s!" % (self.name, self.enemy.name))
                self.state = "fight"
                self.enemy_attacks()
            else:
                if self.health < self.health_max:
                    self.health = self.health + 1
                else:
                    print("%s slept too much." % self.name)
                    self.health = self.health - 1

    def explore(self):
        if self.state != "normal":
            print("%s is too busy right now!" % self.name)
            self.enemy_attacks()
        else:
            print("%s explores a twisty passage." % self.name)
            if randint(0, 1):
                self.enemy = Enemy(self)
                print("%s encounters %s!" % (self.name, self.enemy.name))
                self.state = "fight"
            else:
                if randint(0, 1):
                    self.tired()

    def flee(self):
        if self.state != "fight":
            print("%s runs in circles for a while." % self.name)
            self.tired()
        else:
            if randint(1, self.health + 5) > randint(1, self.enemy.health):
                print("%s flees from %s." % (self.name, self.enemy.name))
                self.enemy = None
                self.state = "normal"
            else:
                print("%s couldn't escape from %s!" % (self.name, self.enemy.name))
                self.enemy_attacks()

    def attack(self):
        if self.state != "fight":
            print("%s swats the air, without notable results." % self.name)
            self.tired()
        else:
            if self.do_damage(self.enemy):
                print("%s executes %s!" % (self.name, self.enemy.name))
                self.enemy = None
                self.state = "normal"
                if randint(0, self.health) < 10:
                    self.health = self.health + 1
                    self.health_max = self.health_max + 1
                    print("%s feels stronger!" % self.name)
            else:
                self.enemy_attacks()

    def enemy_attacks(self):
        if self.enemy.do_damage(self):
            print("%s was slaughtered by %s!!!\nR.I.P." % (self.name, self.enemy.name))


Commands = {
    "quit": Player.quit,
    "help": Player.help,
    "status": Player.status,
    "rest": Player.rest,
    "explore": Player.explore,
    "flee": Player.flee,
    "attack": Player.attack,
}

p = Player()
p.name = input("What is your character's name? ")
print("(type help to get a list of actions)\n")
print("%s enters a dark cave, searching for adventure." % p.name)

while p.health > 0:
    line = input("> ")
    args = line.split()
    if len(args) > 0:
        commandFound = False
        for c in list(Commands.keys()):
            if args[0] == c[: len(args[0])]:
                Commands[c](p)
                commandFound = True
                break
        if not commandFound:
            print("%s doesn't understand the suggestion." % p.name)