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use clap::Parser;
use image::Rgba;
use std::{
collections::HashMap,
fs::File,
io::{BufRead, BufReader},
path::PathBuf,
};
#[derive(Parser)]
struct Args {
input: PathBuf,
output: PathBuf,
}
fn main() {
let Args {
input,
output: out_path,
} = Args::parse();
let palette = include_str!("../../../textures/palette.csv")
.split('\n')
.filter(|l| !l.is_empty())
.map(|s| {
let (c, s) = s.split_once(",").unwrap();
let (r, s) = s.split_once(",").unwrap();
let (g, s) = s.split_once(",").unwrap();
let (b, a) = s.split_once(",").unwrap();
(
c.chars().next().unwrap(),
[
r.parse().unwrap(),
g.parse().unwrap(),
b.parse().unwrap(),
a.parse().unwrap(),
],
)
})
.collect::<HashMap<_, _>>();
let file = BufReader::new(File::open(&input).unwrap());
let tex = file.lines().map(Result::unwrap).collect::<Vec<String>>();
let (width, height) = (tex[0].len(), tex.len());
let mut output = image::ImageBuffer::<Rgba<u8>, Vec<_>>::new(width as u32, height as u32);
for (y, line) in tex.iter().enumerate() {
if line.is_empty() {
continue;
}
for (x, char) in line.chars().enumerate() {
output.put_pixel(x as u32, y as u32, Rgba(*palette.get(&char).unwrap()));
}
}
output.save(out_path).unwrap();
}
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