main.py

import time
import random

player_name = "player"

stat = {
    "inventory_stick": 0,
    "inventory_empty": 1,
    "monster_alive": 1,
    "monster_beaten": 0,
    "candy_eaten": 0,
    "candy_cave": 1 ,
    "": 1
}

situation = ""
score = 0

situations = {
    # This dictionary contains the possible situations the player may face.
    # Each situation is a dictionary that contains the number of cases,
    # the functions to be executed in the situation, the description of
    # the situation, the prompt, and the resulting situation of each choice.
    "initial":
    {
        "cases": 1,
        "func": [],
        "desc": [["You're lost in the mountains.",
                  "In front of you are two caves.",
                  "There seems to be a fire lit inside the left cave.",
                  "The right cave is so dark you can't see anything.",
                  "Which cave will you enter?"]],
        "prompt": [["Left Cave.", "Left Cave.",
        "Right Cave.", "Right Cave."]],
        "results": [["cave1", "cave1_walk", "cave2", "cave2_empty"]],
        "availability": [["monster_alive", "monster_beaten",
                          "inventory_empty","inventory_stick"]]
    },
    "cave1":
    {
        "cases": 1,
        "func": [],
        "desc": [["You step inside the cave.",
                  "You hear distant footsteps from inside. What to do?"]],
        "prompt": [["Shout \"Hello\".", "Continue Walking.", "Go back."]],
        "results": [["cave1_hello", "cave1_walk", "initial"]],
        "availability": [["", "", ""]]
    },
    "cave2":
    {
        "cases": 1,
        "func": [],
        "desc": [["You step inside the cave. You're scared.",
                  "You step on an object. What to do?"]],
        "prompt": [["Pick it up.", "Continue walking.",
                    "Continue walking.", "Go back."]],
        "results": [["cave2_obj", "cave2_walk",
                     "cave2_walk_empty", "initial"]],
        "availability": [["", "candy_cave",
                          "candy_eaten", ""]]
    },
    "cave2_empty":
    {
        "cases": 1,
        "func": [],
        "desc": [["You're inside the cave.",
                  "It's dark. What to do?"]],
        "prompt": [["Continue walking.", "Continue walking.", "Go back."]],
        "results": [["cave2_walk", "cave2_walk_empty", "initial"]],
        "availability": [["candy_cave", "candy_eaten", ""]]
    },
    "cave2_obj":
    {
        "cases": 1,
        "func": ["pickup_stick","score+1"],
        "desc": [["You now have a stick.",
                  "Fantastick! (+1 point ^ω^)"]],
        "prompt": [["Continue."]],
        "results": [["cave2_empty"]],
        "availability": [[""]]
    },
    "cave2_walk":
    {
        "cases": 1,
        "func": ["score+1", "pickup_candy"],
        "desc": [["You walk further inside the cave.",
                  "You find some candy to take with you.",
                  "Nice. (+1 point ^ω^)"]],
        "prompt": [["Continue.", "Continue."]],
        "results": [["cave2_empty", "cave2"]],
        "availability": [["inventory_stick", "inventory_empty"]]
    },
    "cave2_walk_empty":
    {
        "cases": 1,
        "func": [""],
        "desc": [["You walk further inside the cave.",
                  "There's nothing here."]],
        "prompt": [["Go back.","Go back."]],
        "results": [["cave2","cave2_empty"]],
        "availability": [["inventory_empty","inventory_stick"]]
    },
    "cave1_hello":
    {
        "cases": 2,
        "func": [],
        "desc": [["The footsteps get louder. ",
                  "You see a monster running towards you.",
                  "What to do?."],
                 ["Your voice echoes through the cave. ",
                 "The footsteps become quieter.",
                  "What to do?."]],
        "prompt": [["Run.", "Fight it with your fist.",
                    "Beat it with your stick."],
                    ["Continue walking inside.", "Go back."]],
        "results": [["escape_monster", "fight_monster", "beat_monster"],
                    ["cave1_walk", "initial"]],
        "availability": [["", "", "inventory_stick"], ["", ""]]
    },
    "cave1_walk":
    {
        "cases": 1,
        "func": ["show_score"],
        "desc": [["You walk deep inside the left cave.", "You find a map.",
                  "Now you can find your way home!", "Yᴏᴜ Wɪɴ."]],
        "prompt": [["Main menu."]],
        "results": [["menu"]],
        "availability": [[""]]
    },
    "escape_monster":
    {
        "cases": 1,
        "func": [],
        "desc": [["You are now outside.",
                 "The monster is still after you. What to do?"]],
        "prompt": [["Go into the other cave.",
                   "Fight it with your fist.",
                   "Beat it with your stick.", "Give up."]],
        "results": [["escape_cave2", "fight_monster",
                     "beat_monster", "give_up"]],
        "availability": [["", "", "inventory_stick", ""]]
    },
    "fight_monster":
    {
        "cases": 1,
        "func": ["score-1"],
        "desc": [["You try to fight the monster with your fist.",
        "It's too strong for you.","You are hurt (-1 point T_T)."]],
        "prompt": [["Beat it with your stick.","Give up."]],
        "results": [["beat_monster","give_up"]],
        "availability": [["inventory_stick",""]]
    },
    "beat_monster":
    {
        "cases": 1,
        "func": ["monster","score+1"],
        "desc": [["You beat the monster with your stick.",
        "It falls to the ground.","(+2 points ^ω^)"]],
        "prompt": [["Continue."]],
        "results": [["relax"]],
        "availability": [[""]]
    },
    "escape_cave2":
    {
        "cases": 2,
        "func": ["show_score"],
        "desc": [["Dead End. The monster eats you.", "Gᴀᴍᴇ Oᴠᴇʀ."],
                 ["The monster loses its sight of you.",
                  "It wanders into the forest.",
                  "You escaped the monster. (+1 points ^ω^)"]],
        "prompt": [["Main menu."], ["Continue."]],
        "results": [["menu"],["relax"]],
        "availability": [[""],[""]]
    },
    "relax":
    {
        "cases": 1,
        "func": ["score+1"],
        "desc": [["You sit outside for a while to take your breath.",
                 "You're proud of yourself and ready to get up agian.",]],
        "prompt": [["Continue."]],
        "results": [["initial"]],
        "availability": [[""]]
    },
    "give_up":
    {
        "cases": 1,
        "func": ["show_score"],
        "desc": [["You are hopeless.", "You let the monster eat you.",
                   "Gᴀᴍᴇ Oᴠᴇʀ."]],
        "prompt": [["Main menu."]],
        "results": ["menu"],
        "availability": [[""]]
    }
}


def print_pause(s, t=1):
    '''
    Function to print a string "s" and wait for "t" seconds
    '''
    print(s)
    time.sleep(t)


def prompt(options,available):
    '''
    Input function to keep prompting users with prompts "options"
    until a valid option number is chosen.
    '''
    option_numbers = []
    last_number = 1
    for i in available:
        if(stat[i]):
            option_numbers.append(last_number)
            last_number+=1
        else:
            option_numbers.append(-1)
    while True:
        for i in range(len(options)):
            if option_numbers[i] == -1:
                continue
            print("("+str(option_numbers[i])+") "+options[i])
        try:
            choice = int(input("Input choice number: "))
            if choice < last_number:
                return option_numbers.index(choice)
            else:
                print("Please choose a valid option")
        except:
            print("Please choose a valid option")


def init():
    '''
    Game Initialization
    '''
    global player_name
    print_pause("Welcome to the game.", 3)
    player_name = str(input("Please enter your name: "))

def func(f):
    '''
    Execute functions demanded by the game situation. 
    '''
    global score
    for s in f:
        if(s == "show_score"):
            print("Your score is:  " + str(score) + " points.")
        if(s == "pickup_stick"):
            stat["inventory_empty"] = 0
            stat["inventory_stick"] = 1
        if(s == "pickup_candy"):
            stat["candy_eaten"] = 1
            stat["candy_cave"] = 0
        if(s == "monster"):
            stat["monster_alive"] = 0
            stat["monster_beaten"] = 1
        if(s[:5] == "score"):
            if(s[5] == "+"):
                score+=int(s[6:])
            else:
                score-=int(s[6:])

def reset_stats():
    '''
    Reset game stats.
    '''
    global score
    score = 0
    stat["inventory_empty"] = 1
    stat["inventory_stick"] = 0
    stat["candy_eaten"] = 0
    stat["candy_cave"] = 1
    stat["monster_alive"] = 1
    stat["monster_beaten"] = 0                       
    
def gameplay():
    '''
    Process Gameplay.
    '''
    situation = "initial"
    while situation != "menu":
        situation_case = random.randrange(0,situations[situation]["cases"])
        for i in situations[situation]["desc"][situation_case]:
            print_pause(i,1 if len(i) < 35 else 2)
        func(situations[situation]["func"])
        choice = prompt(situations[situation]["prompt"][situation_case],
                        situations[situation]["availability"][situation_case])
        situation = situations[situation]["results"][situation_case][choice]
        


def menu():
    '''
    Menu Screen
    '''
    global player_name
    reset_stats()
    print_pause("Hi, " + player_name +
                "! Please choose one of the options below"+
                " by typing its number:")
    menu_choice = int(prompt(["Start New Game","Exit"], ["", ""]))
    if menu_choice == 0:
        print_pause("Starting game...", 1)
        print_pause("\n", 2)
        gameplay()
        return
    elif menu_choice == 1:
        quit()


if player_name == "player":
    init()
while True:
    menu()