text_adventure.py

'''
This is an example text-based adventure! Play it multiple times to get all the endings and fight randomized bosses
'''

from random import randint, choice
from time import sleep
import os
# from colorama import Fore, Style

def runTextAdventure():
  # You can change these constant lists depending on the story you create
  yes_no = ["yes", "no"]
  directions = ["left", "right"]
  moves = ["fight", "run", "dodge", "inspect"]
  classes = ["knight", "hunter"]
  bosses = ["dragon", "orc"]

  def make_decision(prompt, choices):
    """
    Returns any valid decision the user makes
    """
    while True:
      user_input = input(prompt).lower()
      if user_input in choices:
        return user_input
      else:
        print("Invalid choice, try again!")

  def generate_player():
    """
    Returns randomly generated stats depending on the chosen class
    """
    player_class = make_decision("> Are you a knight or a hunter?: ", classes)
    sleep(1)
    if player_class == 'knight':
      print("> You are a knight! You are endowed with strength and courage, but you are extremely stubborn!")
      return {
        "hp": randint(100, 120),
        "atk": randint(5, 10),
        "spd": randint(10, 55)
      }
    else:
      print("> You are a Hunter! You are endowed with agility and stealth, but you lack vitality!")
      return {
        "hp": randint(70, 100),
        "atk": randint(7, 10),
        "spd": randint(35, 60)
      }
    
  def generate_boss():
    """
    Returns a randomly generated boss with stats
    """
    boss_type = choice(bosses)
    if boss_type == "dragon":
      return {
        "type": "dragon",
        "hp": randint(100, 130),
        "atk": randint(4, 6),
        "spd": randint(50, 70)
      }
    else:
      return {
        "type": "orc",
        "hp": randint(90, 110),
        "atk": randint(7, 10),
        "spd": randint(20, 40)
      }
      return None

  def print_stats(name):
    """
    Prints out the HP stat of the boss and player. Does not return anything.
    """
    print("\nHEALTH------------------------------")
    print(name.upper() + ":", player["hp"], "HP")
    print(boss["type"].upper() + ":", boss["hp"], "HP")
    print("------------------------------------\n")

  def inspect(name):
    """
    Prints out the ATK and SPD stats of the boss and player. Does not return anything.
    """
    print("\nSTATS-------------------------------")
    print(name.upper()+":", player["atk"], "ATK |", player["spd"], "SPD")
    print(boss["type"].upper()+":", boss["atk"], "ATK |", boss["spd"], "SPD")
    print("------------------------------------")

  def boss_fight(player, name, boss):
    """
    Executes the fight with the randomly generated boss. Returns True if the user beats the boss, False if they die, None if they run away.
    """
    while True:
      print_stats(name)
      move = make_decision("> Do you FIGHT, RUN, INSPECT or DODGE?: ", moves)
      if move == "fight":
        print("\n> You attack!")
        boss["hp"] -= randint(player["atk"]-4, player["atk"]+2)
      elif move == "dodge":
        sleep(1)
        # Theoretically, you can regain more health than you intially started with
        if randint(0, player["spd"]) > randint(0, boss["spd"]):
          print("\n> You dodged! You regained health.")
          player["hp"] += randint(5, 10)
          continue
        else:
          print("\n> You failed to dodge!")
      elif move == "inspect":
        print("\n> You inspected the", boss["type"] + "!")
        inspect(name)
      else:
        if player["spd"] > boss["spd"]:
          return None
        else:
          print("\n> You attempt to run, but you're too slow!")

      if boss["hp"] <= 0:
        return True
      
      sleep(1)
      print("\n>", boss["type"].upper(), "attacks!")
      sleep(1)
      if randint(0, 9) >= 1:
        player["hp"] -= randint(boss["atk"]-2, boss["atk"]+2)
      else:
        print("> But it misses!")

      if player["hp"] <= 0: 
        return False
    
  # Main game loop
  while True:
    name = input("> What is your name, adventurer?: ")
    player = generate_player()
    boss = generate_boss()

    # Actual gameplay loop
    while True:
      # Choice 1
      sleep(3)
      print("\n> You find yourself lost in a vast forest...")
      print("> Your head hurts...")
      print("> You look around to get a bearing of your surroundings. It seems you have 2 choices.")
      print("> Go LEFT past a nearby mysterious monument")
      print("> Go RIGHT past a little stream\n")
      
      sleep(1)
      # This is here for the aesthetic, cause your choice doesn't matter in this case
      decision = make_decision("> What do you choose, " + name + "?: ", directions)
      
      sleep(2)
      # Randomly generate the correct path
      if randint(0, 1) == 1:
        print("\n> You choose to go", decision + ", but it seems you've gone even deeper into the forest.")
      else:
        print("\n> You choose to go", decision + ". As you make your way down the path, you are ambushed. You cannot make out who or what attacked you before everything goes black.")
        sleep(2)
        print("> You died!")
        break

      # Choice 2
      print("> You start to feel uneasy...")
      print("> Do you want to turn around?\n")
      
      sleep(1)
      # This choice does matter
      decision = make_decision("> YES or NO, " + name +"?: ", yes_no)

      sleep(2)
      if decision == "no":
        print("\n> You choose to continue" + ", but you have gotten even more lost!")
      else:
        print("\n> You choose to go back" + ". While walking, you start to feel extremely nauseous...")
        print("> You fall over and pass out!")
        sleep(2)
        print("> You died!")
        break

      # Choice 3
      print("> Your heart starts pounding...")
      print("> You see a path that splits into two directions...\n")

      sleep(1)
      # This choice doesn't matter in escaping
      decision = make_decision("> LEFT or RIGHT, " + name +"?: ", directions)

      sleep(3)
      # Randomly chooses if you fight or escape
      if randint(0, 1) == 1:
        print("\n> You choose to go", decision + "...")
      else:
        print("\n> You choose to go", decision + ". The forest become less dense as you walk down the path.")
        sleep(2)
        print("> After what seems like an hour, you finally make it out of the forest.")
        sleep(2)
        print("> You escaped unscathed!")
        break
      
      sleep(1)
      print("> All of a sudden, the ground shakes!")
      print("> A huge", boss["type"], "emerges from the trees!")

      win = boss_fight(player, name, boss)

      # Checks if the user won, lost or ran away
      if win == None:
        print("\n> You cowardly run away from the", boss["type"] + "!")
        sleep(2)
        print("> After what seems like an hour of running, you finally make it out of the forest.")
        break
      elif win:
        print("\n> You defeated the", boss["type"] + "! You claim the loot of your fallen foe and make your way out of the forest!")
        break
      else:
        print("\n> The injuries you sustained from fighting make you collapse... You died!")
        break
    
    # Let's the user play again
    playAgain = make_decision("\nPlay again (YES/NO)?: ", yes_no)
    if playAgain == "no":
      break
    sleep(1)
    os.system('cls' if os.name == 'nt' else 'clear')


  print("\nThanks for playing!")

if __name__ == "__main__":
  runTextAdventure()