#![feature(let_chains)]
use image::codecs::png::PngDecoder;
use image::DynamicImage;
use std::fs::File;
use std::io::{BufReader, Write as _};
use std::iter::Iterator;
use std::path::Path;
use walkdir::WalkDir;
macro_rules! wr {
($dst:expr => $($arg:tt)*) => { writeln!($dst, $($arg)*).unwrap() };
}
fn kebab2bigsnek(kebab: &str) -> String {
let mut n = String::new();
n.reserve(kebab.len());
for c in kebab.chars() {
if c == '-' {
n.push('_');
} else {
n.push(c.to_ascii_uppercase());
}
}
n
}
fn main() {
let _ = std::fs::remove_dir_all("target/out");
let walkdir = WalkDir::new("assets");
println!("cargo:rerun-if-changed=assets/");
println!("cargo:rerun-if-changed=build.rs");
let o = std::env::var("OUT_DIR").unwrap();
let o = Path::new(&o);
let mut full = File::create(o.join("full.rs")).unwrap();
// let mut half = File::create(o.join("half.rs")).unwrap();
let mut quar = File::create(o.join("quar.rs")).unwrap();
let mut eigh = File::create(o.join("eigh.rs")).unwrap();
let mut n = 22usize;
wr!(full => "pub mod full {{");
wr!(full => "pub static EMPTY4: Image<&[u8], 4> = Image::make::<32, 32>();");
wr!(full => "pub static EMPTY: Image<&[u8], 3> = Image::make::<32, 32>();");
wr!(quar => "pub mod quar {{");
// forced to do this because try_into isnt const
wr!(quar => "pub static EMPTY4: Image<&[u8], 4> = Image::make::<8, 8>();");
wr!(quar => "pub static EMPTY: Image<&[u8], 3> = Image::make::<8, 8>();");
wr!(eigh => "pub mod eigh {{");
wr!(eigh => "pub static EMPTY4: Image<&[u8], 4> = Image::make::<4, 4>();");
wr!(eigh => "pub static EMPTY: Image<&[u8], 3> = Image::make::<4, 4>();");
for mut file in [&full, &quar, &eigh] {
wr!(file => "use crate::utils::Image;");
wr!(file => "pub static CLIFF: Image<&[u8], 4> = EMPTY4.copy();");
for i in 1..=16 {
wr!(file => "pub static BUILD{}: Image<&[u8], 4> = EMPTY4.copy();", i);
}
}
for e in walkdir.into_iter().filter_map(Result::ok) {
let path = e.path();
if path.is_file() && let Some(e) = path.extension() && e == "png" {
let p = DynamicImage::from_decoder(PngDecoder::new(BufReader::new(File::open(path).unwrap())).unwrap()).unwrap();
if path.file_name().unwrap().to_str().unwrap().contains("-liquid.png") {
continue
}
let f = path.file_name().unwrap().to_str().unwrap();
if f.contains("bottom") || f.contains("-team") || f.contains("-end") || f.contains("stack") {
continue;
}
let rgb = path.components().any(|c| c.as_os_str() == "floors");
let env = path.components().any(|c| c.as_os_str() == "environment");
let path = kebab2bigsnek(path.with_extension("").file_name().unwrap().to_str().unwrap());
if matches!(path.as_str(), "CLIFF_CRUSHER_ROTATOR" | "NEOPLASIA_REACTOR_CENTER" | "FLUX_REACTOR_MID" | "EDGE" | "PHASE_CONVEYOR_BRIDGE" | "BRIDGE_ARROW" | "DUCT_BRIDGE_BRIDGE" | "DUCT_BRIDGE_ARROW" | "LAUNCHPOD" | "BRIDGE_CONVEYOR_BRIDGE" | "BRIDGE_CONVEYOR_ARROW" | "PHASE_CONVEYOR_ARROW" | "REINFORCED_BRIDGE_CONDUIT_ARROW" | "REINFORCED_BRIDGE_CONDUIT_BRIDGE" | "PHASE_CONDUIT_BRIDGE" | "BRIDGE_CONDUIT_ARROW" | "PHASE_CONDUIT_ARROW" | "BRIDGE_CONDUIT_BRIDGE" | "PLATED_CONDUIT_CAP") {
continue
}
println!("do {path}");
macro_rules! writ {
($ext:ident / $scale:literal) => {
let mut buf = File::create(o.join(n.to_string() + "-" + stringify!($ext))).unwrap();
let out_path = format!("{}/{n}-{}", o.display(), stringify!($ext));
// boulders
let (mx, my) = if env && p.width() + p.height() == 48+48 {
(32, 32)
// vents (dont match VENT_CONDENSER, do match (RHYOLITE_VENT)
} else if path.contains("_VENT")
// talls
|| matches!(path.as_str(), "YELLOWCORAL" | "WHITE_TREE" | "WHITE_TREE_DEAD" | "REDWEED" | "SPORE_CLUSTER" | "CRYSTAL_BLOCKS" | "CRYSTAL_CLUSTER" | "VIBRANT_CRYSTAL_CLUSTER" | "CRYSTAL_ORBS") {
(32, 32)
} else {
(p.height(), p.height())
};
let new = if $scale == 1 {
p.clone()
} else {
DynamicImage::ImageRgba8(image::imageops::resize(
&p,
mx / $scale,
my / $scale,
image::imageops::Nearest,
))
};
let x = new.width();
let y = new.height();
if rgb {
buf.write_all(&new.into_rgb8().into_raw()).unwrap();
wr!($ext => r#"pub(crate) static {path}: Image<&[u8], 3> = unsafe {{ Image::new(std::num::NonZeroU32::new_unchecked({x}), std::num::NonZeroU32::new_unchecked({y}), include_bytes!("{out_path}")) }};"#);
} else {
buf.write_all(&new.into_rgba8().into_raw()).unwrap();
wr!($ext => r#"pub(crate) static {path}: Image<&[u8], 4> = unsafe {{ Image::new(std::num::NonZeroU32::new_unchecked({x}), std::num::NonZeroU32::new_unchecked({y}), include_bytes!("{out_path}")) }};"#);
}
};
}
writ!(full / 1);
// writ!(half + 0.5);
writ!(quar / 4);
writ!(eigh / 8);
n += 1;
}
}
for mut f in [full, eigh, quar] {
f.write_all(b"}").unwrap();
}
}