dwars/src/main.rs

use std::io;
use std::io::Read;

// Objects

struct Player {
    health: u32,
    money:  u32,
    debt:   u32,
    weed:   u32,
    location: String,
}

impl Player {
    pub fn new(health: u32, money: u32, debt: u32, weed: u32, location: String) -> Self {
        Player { health, money, debt, weed, location }
    }

    pub fn add_weed(&mut self, add_amount: u32) {
        self.weed += add_amount;
    }

    pub fn dump(&mut self) {
        println!("Health: {}", self.health);
        println!("Money: {}", self.money);
        println!("Debt: {}", self.debt);
        println!("Weed: {}", self.weed);
        println!("Location: {}", self.location);
    }

    pub fn change_location(&mut self, new_location: String) {
        self.location = new_location;
    }
}

// "Low-level" Fuctions, called by "Top-level" functions

fn prompt(prompt_text: String) -> io::Result<String> {
    println!("$ {}",prompt_text);
    let mut input = String::new();
    std::io::stdin().read_line(&mut input);

    let value: String = input.trim().parse().unwrap();
    println!("Got value: {}", value);
    Ok(value)
}

// "Top-level" Functions, called by main

fn go_to_location(target_location: String, player: &mut Player) {

    let new_location = prompt("Select a new location, locations are\n\tBrooklyn\n\tManhatten".to_string()).unwrap();
    player.change_location(new_location);

}

fn main() {
    let mut player = Player::new(100,2000,2050,0,"Brooklyn".to_string());
    let mut objects = [player];
    let mut done = false;
    while ! done {
        objects[0].dump();
        let input = prompt("Enter quit to quit".to_string()).unwrap();

        if input == "quit".to_string() {
            done = true;
        } else if input == "change location".to_string() {
            go_to_location(input, &mut objects[0]);

        }
    }
}