asterion_core/
utils.rs

1use image::{Pixel, Rgb, RgbImage, Rgba, RgbaImage};
2use rand::{rngs::ThreadRng, seq::IndexedRandom, RngExt};
3
4pub type PlayerId = uuid::Uuid;
5
6#[inline]
7pub fn is_transparent(pixel: &Rgba<u8>, background: &Rgba<u8>) -> bool {
8    pixel[3] == 0 || pixel.to_rgb() == background.to_rgb()
9}
10
11pub const MAX_USERNAME_LEN: usize = 12;
12
13pub fn to_player_name(rng: &mut ThreadRng, name: &str) -> String {
14    format!(
15        "{}#{:03}",
16        name.chars().take(MAX_USERNAME_LEN).collect::<String>(),
17        rng.random_range(0..1000)
18    )
19}
20
21pub fn random_minotaur_name() -> String {
22    MINOTAUR_NAMES.choose(&mut rand::rng()).unwrap().to_string()
23}
24
25pub fn convert_rgb_to_rgba(rgb_image: &RgbImage, background: Rgb<u8>) -> RgbaImage {
26    let (width, height) = rgb_image.dimensions();
27    let mut rgba_image = RgbaImage::new(width, height);
28
29    for (x, y, rgb_pixel) in rgb_image.enumerate_pixels() {
30        let alpha = if rgb_pixel.to_rgb() == background {
31            0
32        } else {
33            255
34        };
35
36        let Rgba([r, g, b, a]) = Rgba([rgb_pixel[0], rgb_pixel[1], rgb_pixel[2], alpha]);
37        rgba_image.put_pixel(x, y, Rgba([r, g, b, a]));
38    }
39
40    rgba_image
41}
42
43pub struct GameColors {}
44
45impl GameColors {
46    pub const HERO: Rgba<u8> = Rgba([35, 35, 255, 255]);
47    pub const OTHER_HERO: Rgba<u8> = Rgba([3, 255, 3, 255]);
48    pub const MINOTAUR: Rgba<u8> = Rgba([225, 203, 3, 255]);
49    pub const CHASING_MINOTAUR: Rgba<u8> = Rgba([255, 15, 0, 255]);
50    pub const POWER_UP: Rgba<u8> = Rgba([255, 180, 244, 255]);
51}
52
53pub const MINOTAUR_NAMES: [&str; 7] = [
54    "Ἀστερίων",
55    "Μίνως",
56    "Σαρπηδών",
57    "Ῥαδάμανθυς",
58    "Ἀμφιτρύων",
59    "Πτερέλαος",
60    "Τάφος",
61];
asterion_core/utils.rs

asterion_core/
utils.rs
