125 lines
2.9 KiB
Rust
125 lines
2.9 KiB
Rust
#![warn(clippy::pedantic)]
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use std::{
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f32::consts::FRAC_PI_2,
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io::stdout,
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net::{Ipv4Addr, SocketAddr, UdpSocket},
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thread::sleep,
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time::Duration,
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};
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use clap::Parser;
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use image::{Pixel, Rgb, RgbImage};
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use rand::Rng;
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use splink_client::{Layout, send_frame};
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/// Blinkenwall v3 prototype client
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#[derive(Parser, Debug)]
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#[clap(author, version, about, long_about = None)]
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struct Args {
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/// Timeout in ms for frame completion responses (0 to disable)
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#[clap(long, default_value_t = 3)]
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response_timeout: u64,
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/// Local address and port to bind to
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#[clap(long = "bind")]
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bind_addr: Option<SocketAddr>,
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/// Controller's address
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remote_addr: SocketAddr,
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}
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fn get_frame(layout: Layout, frame: u32) -> RgbImage {
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#![allow(
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clippy::cast_precision_loss,
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clippy::cast_lossless,
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clippy::cast_possible_truncation,
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clippy::cast_sign_loss
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)]
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let w = layout.width_px();
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let h = layout.height_px();
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let frame = frame % 60;
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let frame = frame as f32 / 3.0;
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RgbImage::from_fn(w, h, |x, y| {
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let dist_from_center = {
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let x = x as f32;
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let y = y as f32;
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let center_x = w as f32 / 2.0;
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let center_y = h as f32 / 2.0;
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((x - center_x).powf(2.0) + (y - center_y).powf(2.0)).sqrt()
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};
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let radius = frame.powf(1.8);
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let dist_from_radius = dist_from_center - radius;
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let dist = 0.3 * dist_from_radius;
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Rgb([100, 0, 100]).map(|x| {
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(if dist < 0.0 {
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(1.0 - (dist.abs() / 10.0)).max(0.0)
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} else {
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dist.min(FRAC_PI_2).cos()
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} * x as f32) as u8
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})
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})
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}
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fn print_image(image: &RgbImage) {
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let _hide = termion::cursor::HideCursor::from(stdout());
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print!("{}", termion::cursor::Goto(1, 1));
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for row in image.rows() {
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for &Rgb([r, g, b]) in row {
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print!("{} ", termion::color::Rgb(r, g, b).bg_string());
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}
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println!("{}", termion::color::Reset.bg_str());
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}
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}
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fn main() -> anyhow::Result<()> {
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let args = Args::parse();
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let bind_addr = args
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.bind_addr
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.unwrap_or_else(|| (Ipv4Addr::UNSPECIFIED, 0).into());
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let socket = UdpSocket::bind(bind_addr)?;
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socket.connect(args.remote_addr)?;
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socket.set_read_timeout(match args.response_timeout {
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0 => None,
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t => Some(Duration::from_millis(t)),
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})?;
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let layout = Layout {
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gang_len: 8,
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num_gangs: 32,
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num_panels_h: 6,
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num_panels_v: 1,
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};
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for frame in 0.. {
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let image = get_frame(layout, frame);
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print_image(&image);
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let frame_num: u32 = rand::thread_rng().gen();
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send_frame(&socket, layout, frame_num, &image)?;
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sleep(Duration::from_millis(16));
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}
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let image = RgbImage::from_fn(96, 64, |_x, y| {
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[Rgb([0, 3, 1]), Rgb([1, 3, 0]), Rgb([3, 0, 1])][y as usize % 3]
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});
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Ok(())
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}
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