Merge pull request coding-horror#744 from ugurkupeli/30_Cube/rust

30 cube/rust

30_Cube/rust/Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "rust"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+rand = "0.8.5"

30_Cube/rust/src/game.rs

@@ -0,0 +1,106 @@
+use crate::util;
+
+pub type Position = (u8, u8, u8);
+
+pub struct Game {
+    wallet: usize,
+    bet: Option<usize>,
+    landmines: Vec<Position>,
+    player: Position,
+}
+
+impl Game {
+    pub fn new() -> Self {
+        Game {
+            wallet: 500,
+            bet: None,
+            landmines: util::get_landmines(),
+            player: (1, 1, 1),
+        }
+    }
+
+    pub fn play(&mut self) -> bool {
+        self.bet = self.get_bet();
+
+        let mut first_move = true;
+        let mut result = (false, "******BANG!******\nYOU LOSE");
+
+        loop {
+            let msg = if first_move {
+                first_move = false;
+                "ITS YOUR MOVE"
+            } else {
+                "NEXT MOVE"
+            };
+
+            let (ok, p) = self.ask_position(msg);
+
+            if ok {
+                if p == (3, 3, 3) {
+                    result.0 = true;
+                    result.1 = "CONGRATULATIONS!";
+                    break;
+                } else if self.landmines.contains(&p) {
+                    break;
+                } else {
+                    self.player = p;
+                }
+            } else {
+                result.1 = "ILLEGAL MOVE\nYOU LOSE.";
+                break;
+            }
+        }
+
+        println!("{}", result.1);
+        self.calculate_wallet(result.0);
+        self.reset_game();
+
+        if self.wallet <= 0 {
+            println!("YOU ARE BROKE!");
+            return false;
+        }
+
+        return util::prompt_bool("DO YOU WANT TO TRY AGAIN?");
+    }
+
+    fn get_bet(&self) -> Option<usize> {
+        loop {
+            if util::prompt_bool("WANT TO MAKE A WAGER?") {
+                let b = util::prompt_number("HOW MUCH?");
+
+                if b != 0 && b <= self.wallet {
+                    return Some(b);
+                } else {
+                    println!("YOU CAN'T BET THAT!");
+                }
+            } else {
+                return None;
+            };
+        }
+    }
+
+    fn ask_position(&self, msg: &str) -> (bool, Position) {
+        if let Some(p) = util::prompt_position(msg, self.player) {
+            return (true, p);
+        }
+        return (false, (0, 0, 0));
+    }
+
+    fn calculate_wallet(&mut self, win: bool) {
+        if let Some(b) = self.bet {
+            if win {
+                self.wallet += b;
+            } else {
+                self.wallet -= b;
+            }
+            self.bet = None;
+            println!("YOU NOW HAVE {} DOLLARS", self.wallet);
+        }
+    }
+
+    fn reset_game(&mut self) {
+        self.player = (1, 1, 1);
+        self.landmines.clear();
+        self.landmines = util::get_landmines();
+    }
+}

30_Cube/rust/src/main.rs

@@ -0,0 +1,39 @@
+use crate::game::Game;
+
+mod game;
+mod util;
+
+fn main() {
+    println!("\n\n\t\tCUBE");
+    println!("CREATIVE COMPUTING MORRISTOWN, NEW JERSEY\n");
+
+    if util::prompt_bool("DO YOU WANT TO SEE THE INSTRUCTIONS? (YES--1,NO--0)") {
+        println!("\nThis is a game in which you will be playing against the");
+        println!("random decisions of the computer. The field of play is a");
+        println!("cube of side 3. Any of the 27 locations can be designated");
+        println!("by inputing three numbers such as 2,3,1. At the start,");
+        println!("you are automatically at location 1,1,1. The object of");
+        println!("the game is to get to location 3,3,3. One minor detail:");
+        println!("the computer will pick, at random, 5 locations at which");
+        println!("it will plant land mines. If you hit one of these locations");
+        println!("you lose. One other detail: You may move only one space");
+        println!("in one direction each move. For example: From 1,1,2 you");
+        println!("may move to 2,1,2 or 1,1,3. You may not change");
+        println!("two of the numbers on the same move. If you make an illegal");
+        println!("move, you lose and the computer takes the money you may");
+        println!("have bet on that round.\n");
+        println!("When stating the amount of a wager, print only the number");
+        println!("of dollars (example: 250) you are automatically started with");
+        println!("500 dollars in your account.\n");
+        println!("Good luck!\n");
+    }
+
+    let mut game = Game::new();
+
+    loop {
+        if !game.play() {
+            println!("\nTOUGH LUCK\n\nGOODBYE!\n");
+            break;
+        }
+    }
+}

30_Cube/rust/src/util.rs

@@ -0,0 +1,117 @@
+use std::num::ParseIntError;
+
+use crate::game::Position;
+
+pub fn get_random_position() -> Position {
+    (get_random_axis(), get_random_axis(), get_random_axis())
+}
+
+fn get_random_axis() -> u8 {
+    rand::Rng::gen_range(&mut rand::thread_rng(), 1..=3)
+}
+
+pub fn get_landmines() -> Vec<Position> {
+    let mut landmines = Vec::new();
+
+    for _ in 0..5 {
+        let mut m = get_random_position();
+        while landmines.contains(&m) {
+            m = get_random_position();
+        }
+        landmines.push(m);
+    }
+
+    landmines
+}
+
+fn read_line() -> Result<usize, ParseIntError> {
+    let mut input = String::new();
+    std::io::stdin()
+        .read_line(&mut input)
+        .expect("~~Failed reading line!~~");
+    input.trim().parse::<usize>()
+}
+
+pub fn prompt_bool(msg: &str) -> bool {
+    loop {
+        println!("{}", msg);
+
+        if let Ok(n) = read_line() {
+            if n == 1 {
+                return true;
+            } else if n == 0 {
+                return false;
+            }
+        }
+        println!("ENTER YES--1 OR NO--0\n");
+    }
+}
+
+pub fn prompt_number(msg: &str) -> usize {
+    loop {
+        println!("{}", msg);
+
+        if let Ok(n) = read_line() {
+            return n;
+        }
+        println!("ENTER A NUMBER\n");
+    }
+}
+
+pub fn prompt_position(msg: &str, prev_pos: Position) -> Option<Position> {
+    loop {
+        println!("{}", msg);
+
+        let mut input = String::new();
+        std::io::stdin()
+            .read_line(&mut input)
+            .expect("~~Failed reading line!~~");
+
+        let input: Vec<&str> = input.trim().split(",").collect();
+
+        let pp = [prev_pos.0, prev_pos.1, prev_pos.2];
+        let mut pos = Vec::new();
+
+        if input.len() != 3 {
+            println!("YOU MUST ENTER 3 AXES!");
+        } else {
+            for a in input {
+                if let Ok(n) = a.parse::<u8>() {
+                    if n == 0 || n > 3 {
+                        println!("YOU MUST ENTER AN AXIS BETWEEN 1 AND 3!");
+                    } else {
+                        pos.push(n);
+                    }
+                } else {
+                    println!("INVALID LOCATION.");
+                }
+            }
+
+            let mut moved = false;
+            for (i, p) in pos.iter().enumerate() {
+                let dt = ((*p as isize) - (pp[i] as isize)).abs();
+
+                if dt > 1 {
+                    return None;
+                }
+
+                if dt == 1 {
+                    if moved {
+                        return None;
+                    } else {
+                        moved = true;
+                    }
+                }
+            }
+        }
+
+        if pos.len() == 3 {
+            let pos = (pos[0], pos[1], pos[2]);
+            if pos == prev_pos {
+                println!("YOU ARE ALREADY THERE!");
+            } else {
+                return Some(pos);
+            }
+        }
+    }
+}