patch of Add core game types · round #0 · pull #3 · nasso.dev/navy

+170

src/game.rs

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       use std::{

     

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           fmt::{Display, Formatter},

     

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           ops::{Index, IndexMut},

     

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       };

     

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       #[derive(Debug, PartialEq, Eq)]

     

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       pub struct Vector2u16 {

     

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           pub x: u16,

     

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           pub y: u16,

     

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       }

     

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       impl Vector2u16 {

     

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           pub fn new(x: u16, y: u16) -> Self {

     

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               Vector2u16 { x, y }

     

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           }

     

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       }

     

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       #[derive(Debug, PartialEq, Eq)]

     

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       pub struct Boat {

     

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           pub first_pos: Vector2u16,

     

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           pub last_pos: Vector2u16,

     

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       }

     

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       impl Boat {

     

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           pub fn new(first_pos: Vector2u16, last_pos: Vector2u16) -> Self {

     

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               Boat {

     

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                   first_pos,

     

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                   last_pos,

     

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               }

     

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           }

     

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       }

     

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       #[derive(Debug, PartialEq, Eq)]

     

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       pub struct Board {

     

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           pub cells: [BoardCell; 64],

     

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       }

     

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       impl Display for Board {

     

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           fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {

     

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               writeln!(f, "   | A B C D E F G H ")?;

     

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               writeln!(f, "---+-----------------")?;

     

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               for row in 1..=8 {

     

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                   writeln!(

     

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                       f,

     

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                       " {row} | {} {} {} {} {} {} {} {}",

     

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                       self.cells[8 * row - 1],

     

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                       self.cells[8 * row],

     

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                       self.cells[8 * row + 1],

     

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                       self.cells[8 * row + 2],

     

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                       self.cells[8 * row + 3],

     

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                       self.cells[8 * row + 4],

     

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                       self.cells[8 * row + 5],

     

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                       self.cells[8 * row + 6],

     

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                   )?;

     

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               }

     

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               Ok(())

     

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           }

     

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       }

     

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       impl Default for Board {

     

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           fn default() -> Self {

     

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               Self {

     

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                   cells: [Default::default(); 64],

     

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               }

     

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           }

     

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       }

     

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       impl Index<Vector2u16> for Board {

     

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           type Output = BoardCell;

     

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           fn index(&self, index: Vector2u16) -> &Self::Output {

     

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               &self.cells[index.y as usize * 8 + index.x as usize]

     

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           }

     

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       }

     

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       impl IndexMut<Vector2u16> for Board {

     

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           fn index_mut(&mut self, index: Vector2u16) -> &mut Self::Output {

     

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               &mut self.cells[index.y as usize * 8 + index.x as usize]

     

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           }

     

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       }

     

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       impl Board {

     

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           fn new(boats: impl IntoIterator<Item = Boat>) -> Self {

     

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               let mut board = Self::default();

     

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               for (i, boat) in boats.into_iter().enumerate() {

     

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                   let start_x = boat.first_pos.x.min(boat.last_pos.x);

     

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                   let start_y = boat.first_pos.y.min(boat.last_pos.y);

     

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                   let end_x = boat.first_pos.x.max(boat.last_pos.x);

     

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                   let end_y = boat.first_pos.y.max(boat.last_pos.y);

     

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                   for x in start_x..=end_x {

     

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                       for y in start_y..=end_y {

     

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                           board[Vector2u16 { x, y }] = BoardCell::Boat(i as u8);

     

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                       }

     

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                   }

     

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               }

     

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               board

     

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           }

     

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       }

     

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       #[derive(Debug, Clone, Copy, Default, PartialEq, Eq)]

     

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       pub enum BoardCell {

     

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           #[default]

     

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           Nothing,

     

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           Missed,

     

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           Hit,

     

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           Boat(u8),

     

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       }

     

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       impl Display for BoardCell {

     

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           fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {

     

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               match self {

     

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                   BoardCell::Nothing => write!(f, "."),

     

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                   BoardCell::Missed => write!(f, "o"),

     

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                   BoardCell::Hit => write!(f, "x"),

     

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                   BoardCell::Boat(n) => write!(f, "{n}"),

     

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               }

     

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           }

     

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       }

     

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       #[cfg(test)]

     

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       mod tests {

     

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           use super::*;

     

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           #[test]

     

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           fn empty_board() {

     

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               assert_eq!(

     

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                   Board::default(),

     

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                   Board {

     

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                       cells: [Default::default(); 64],

     

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                   }

     

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               );

     

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           }

     

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           #[test]

     

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           fn init_boards_with_boats() {

     

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               let board = Board::new([

     

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                   Boat::new(Vector2u16 { x: 2, y: 0 }, Vector2u16 { x: 2, y: 1 }),

     

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                   Boat::new(Vector2u16 { x: 3, y: 3 }, Vector2u16 { x: 5, y: 3 }),

     

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                   Boat::new(Vector2u16 { x: 1, y: 4 }, Vector2u16 { x: 1, y: 7 }),

     

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                   Boat::new(Vector2u16 { x: 3, y: 6 }, Vector2u16 { x: 7, y: 6 }),

     

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               ]);

     

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               let n = BoardCell::Nothing;

     

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               let a = BoardCell::Boat(0);

     

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               let b = BoardCell::Boat(1);

     

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               let c = BoardCell::Boat(2);

     

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               let d = BoardCell::Boat(3);

     

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               assert_eq!(

     

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                   board,

     

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                   Board {

     

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                       cells: [

     

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                           n, n, a, n, n, n, n, n, //

     

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                           n, n, a, n, n, n, n, n, //

     

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                           n, n, n, n, n, n, n, n, //

     

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                           n, n, n, b, b, b, n, n, //

     

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                           n, c, n, n, n, n, n, n, //

     

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                           n, c, n, n, n, n, n, n, //

     

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                           n, c, n, d, d, d, d, d, //

     

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                           n, c, n, n, n, n, n, n,

     

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                       ],

     

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                   }

     

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               );

     

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           }

     

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       }

src/main.rs

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       use std::process::ExitCode;

     

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       mod cli;

     

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       mod game;

     

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       mod parser;

     

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       fn main() -> ExitCode {

     

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           let mut args = std::env::args();

+1 -27

src/parser.rs

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       use crate::game::{Boat, Vector2u16};

     

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       use std::{fs::File, io::Read, path::Path};

     

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       #[derive(Debug)]

     
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           }

     

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       }

     

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       #[derive(Debug, PartialEq, Eq)]

     

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       pub struct Vector2u16 {

     

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           x: u16,

     

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           y: u16,

     

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       }

     

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       impl Vector2u16 {

     

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           pub fn new(x: u16, y: u16) -> Self {

     

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               Vector2u16 { x: x, y: y }

     

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           }

     

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       }

     

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       #[derive(Debug, PartialEq, Eq)]

     

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       pub struct Boat {

     

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           first_pos: Vector2u16,

     

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           last_pos: Vector2u16,

     

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       }

     

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       impl Boat {

     

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           pub fn new(first_pos: Vector2u16, last_pos: Vector2u16) -> Self {

     

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               Boat {

     

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                   first_pos: first_pos,

     

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                   last_pos: last_pos,

     

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               }

     

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           }

     

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       }

     

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       pub fn parse_file(file_path: &Path) -> Result<[Boat; 4], ParserError> {

     

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           let mut file = File::open(file_path)?;

     

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           Ok(parse_ships(&mut file)?)