main.py

def show_intro(player_name=None):
    # Print intro
    print('\nWelcome to Space Attack,', player_name + '!', '\n', '------------------------------', '\n',
          '*** STORYLINE ***', '\n',
          'You are an astronaut on the maiden voyage to Mars to conduct scientific research ', '\n',
          'about the atmosphere and environment of the planet. You are suddenly awakened by ', '\n',
          'the alarm system halfway through the journey to Mars. You are both shocked and scared ', '\n',
          'as this is not normal. You get out of your sleeping cubby in the Living Quarters and ', '\n',
          'check the security monitors. You notice there has been a breach in the spaceship by an ', '\n',
          'unidentified lifeform. OH NO…AN ALIEN! You think to yourself. Your quick-thinking kicks ', '\n',
          'into overdrive, and you have an idea. There are items around the spaceship that can help ', '\n',
          'you defeat the alien and take back the spacecraft. Find all the items around the ship (7) ', '\n',
          'before encountering the alien and save the ship. Encounter the alien before having all the ', '\n',
          'items, and your ship is doomed!')


def show_instructions():
    # print instructions
    print('------------------------------', '\n', '*** INSTRUCTIONS ***', '\n',
          'To move about, type commands: go South, go North, go East, go West', '\n',
          'To add an item to your inventory, type: get "item name" (without quotes)', '\n',
          'To get the current game status, type: status', '\n',
          'To show the instructions again, type: instructions', '\n',
          'To quit the game, type: quit or exit', '\n', '------------------------------')


def game_start():
    # print start game
    print('*** GAME START ***')


def move_between_rooms(current_room, move, rooms):
    # move to corresponding room
    current_room = rooms[current_room][move]
    return current_room


def grab_item(current_room, rooms, inventory):
    # add item to inventory and remove it from the room
    inventory.append(rooms[current_room]['item'])
    del rooms[current_room]['item']


def main():
    # dictionary of connecting rooms with items
    rooms = {
        'Living Quarters': {
            'South': 'Electrical Room', 'North': 'Cafeteria', 'East': 'Command & Navigation',
            'West': 'Security Room'
        },
        'Command & Navigation': {'West': 'Living Quarters', 'item': 'Spacesuit'},
        'Cafeteria': {'South': 'Living Quarters', 'West': 'Medbay', 'item': 'Protein Bar'},
        'Security Room': {'West': 'Engine Room', 'East': 'Living Quarters', 'item': 'Flashlight'},
        'Medbay': {'East': 'Cafeteria', 'South': 'Engine Room', 'item': 'Oxygen Tank'},
        'Engine Room': {
            'North': 'Medbay', 'South': 'Storage Room', 'East': 'Security Room', 'West': 'Reactor',
            'item': 'Emergency Beacon'
        },
        'Storage Room': {'North': 'Engine Room', 'East': 'Electrical Room', 'item': 'Plasma Ray Gun'},
        'Electrical Room': {'North': 'Living Quarters', 'West': 'Storage Room', 'item': 'Electrical Detainment Net'},
        'Reactor': ''
    }
    # list for storing player inventory
    inventory = []
    # starting room
    current_room = 'Living Quarters'
    # get player name
    player_name = input("Enter your name, player: ")
    # show introduction
    show_intro(player_name)
    # show instructions
    show_instructions()
    # show game start
    game_start()

    while True:
        # handle the case when player encounters the 'villain'
        if current_room == 'Reactor':
            # winning case
            if len(inventory) == 7:
                print('You have encountered the ALIEN! Gratefully you gathered all the required items to be able to '
                      'defeat the alien and save the ship. Congratulations,', player_name + '!')
                print('Thank you for playing Space Attack!')
                break
            # losing case
            else:
                print('Oh NO! You have encountered the ALIEN! You did not gather all the required items to defeat the '
                      'alien.')
                print('You have been killed by the alien and the ship has been destroyed!')
                print('Thank you for playing Space Attack! Better luck next time', player_name + '.')
                break
        # Tell the user their current room, inventory
        print('You are in the ' + current_room)

        if not inventory:  # if inventory is empty
            print('You do not have any items in your inventory.')
        else:  # if inventory is not empty
            print('Your inventory contains:', ', '.join(inventory))

        # tell the user if there is an item in the room
        if current_room != 'Reactor' and 'item' in rooms[current_room].keys():
            print('You found the {}, let\'s pick it up.'.format(rooms[current_room]['item']))
        print('------------------------------')
        # prompt for a move
        move = input('Enter your next move: ').title().split()

        # handle if the user enters a command to move to a new room
        if len(move) >= 2 and move[1] in rooms[current_room].keys():
            current_room = move_between_rooms(current_room, move[1], rooms)
            continue
        # handle if the user enter a command to get an item
        elif len(move[0]) == 3 and move[0] == 'Get' and ' '.join(move[1:]) in rooms[current_room]['item']:
            print('You picked up the {}'.format(rooms[current_room]['item']))
            print('------------------------------')
            grab_item(current_room, rooms, inventory)
            continue
        # handle if the user enters a command to show status
        elif move == ['Status']:
            continue
        # handle if the user enters a command to show instructions
        elif move == ['Instructions']:
            show_instructions()
            continue
        # handle if the user enters a command to quit game
        elif move == ['Quit'] or move == ['Exit']:
            print('You have quit the game,', player_name + '.')
            break
        # handle if the user enters an invalid command
        else:
            print('Invalid command, please try again')
            continue


main()