Files
Pac-Man/src/constants.rs

125 lines
3.5 KiB
Rust

//! This module contains all the constants used in the game.
/// The width of the game board, in cells.
pub const BOARD_WIDTH: u32 = 28;
/// The height of the game board, in cells.
pub const BOARD_HEIGHT: u32 = 31;
/// The size of each cell, in pixels.
pub const CELL_SIZE: u32 = 24;
/// The offset of the game board from the top-left corner of the window, in
/// cells.
pub const BOARD_OFFSET: (u32, u32) = (0, 3);
/// The width of the window, in pixels.
pub const WINDOW_WIDTH: u32 = CELL_SIZE * BOARD_WIDTH;
/// The height of the window, in pixels.
///
/// The map texture is 6 cells taller than the grid (3 above, 3 below), so we
/// add 6 to the board height to get the window height.
pub const WINDOW_HEIGHT: u32 = CELL_SIZE * (BOARD_HEIGHT + 6);
/// An enum representing the different types of tiles on the map.
#[derive(Debug, Clone, Copy, PartialEq)]
pub enum MapTile {
/// An empty tile.
Empty,
/// A wall tile.
Wall,
/// A regular pellet.
Pellet,
/// A power pellet.
PowerPellet,
/// A starting position for an entity.
StartingPosition(u8),
/// A tunnel tile.
Tunnel,
}
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
#[repr(u8)]
pub enum FruitType {
Cherry,
Strawberry,
Orange,
Apple,
Melon,
Galaxian,
Bell,
Key,
}
impl FruitType {
pub const ALL: [FruitType; 8] = [
FruitType::Cherry,
FruitType::Strawberry,
FruitType::Orange,
FruitType::Apple,
FruitType::Melon,
FruitType::Galaxian,
FruitType::Bell,
FruitType::Key,
];
pub fn score(self) -> u32 {
match self {
FruitType::Cherry => 100,
FruitType::Strawberry => 300,
FruitType::Orange => 500,
FruitType::Apple => 700,
FruitType::Melon => 1000,
FruitType::Galaxian => 2000,
FruitType::Bell => 3000,
FruitType::Key => 5000,
}
}
pub fn index(self) -> usize {
match self {
FruitType::Cherry => 0,
FruitType::Strawberry => 1,
FruitType::Orange => 2,
FruitType::Apple => 3,
FruitType::Melon => 4,
FruitType::Galaxian => 5,
FruitType::Bell => 6,
FruitType::Key => 7,
}
}
}
/// The raw layout of the game board, as a 2D array of characters.
pub const RAW_BOARD: [&str; BOARD_HEIGHT as usize] = [
"############################",
"#............##............#",
"#.####.#####.##.#####.####.#",
"#o####.#####.##.#####.####o#",
"#.####.#####.##.#####.####.#",
"#..........................#",
"#.####.##.########.##.####.#",
"#.####.##.########.##.####.#",
"#......##....##....##......#",
"######.##### ## #####.######",
" #.##### ## #####.# ",
" #.## 1 ##.# ",
" #.## ###==### ##.# ",
"######.## # # ##.######",
"T . #2 3 4 # . T",
"######.## # # ##.######",
" #.## ######## ##.# ",
" #.## ##.# ",
" #.## ######## ##.# ",
"######.## ######## ##.######",
"#............##............#",
"#.####.#####.##.#####.####.#",
"#.####.#####.##.#####.####.#",
"#o..##.......0 .......##..o#",
"###.##.##.########.##.##.###",
"###.##.##.########.##.##.###",
"#......##....##....##......#",
"#.##########.##.##########.#",
"#.##########.##.##########.#",
"#..........................#",
"############################",
];