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/*
Hurry Curry! - a game about cooking
Copyright (C) 2025 Hurry Curry! Contributors
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, version 3 of the License only.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
use crate::replay::replay;
use anyhow::{Context, Result, anyhow, bail};
use log::info;
use std::{path::PathBuf, str::FromStr};
use tokio::{
fs::{File, create_dir_all, remove_dir, remove_file},
io::AsyncWriteExt,
net::TcpListener,
process::Command,
};
#[derive(clap::Parser)]
pub struct RenderArgs {
/// Replay file path
input: PathBuf,
/// Camera replay file path
#[arg(short = 'c', long)]
camera: Option<PathBuf>,
/// Output video file path passed to godot (must end in either .avi for MJPEG or .png for PNG sequence)
output: PathBuf,
#[arg(short = 'r', long, default_value = "30")]
framerate: usize,
#[arg(short = 'R', long, default_value = "1280x720")]
resolution: String,
/// Render without display server; Requires wlheadless-run and mutter
#[arg(short = 'H', long)]
headless: bool,
#[arg(long, default_value = "wayland")]
video_driver: String,
#[arg(long, default_value = "vulkan")]
rendering_driver: String,
#[arg(long, default_value = "mutter")]
headless_compositor: String,
#[arg(long, default_value = "/usr/share/hurrycurry/client.pck")]
client_pck: PathBuf,
#[arg(long, default_value = "27090")]
port: u16,
}
pub async fn render(a: RenderArgs) -> Result<()> {
let ws_listener = TcpListener::bind(("127.0.0.1", a.port)).await?;
let cwd = PathBuf::from_str("/tmp").unwrap().join(format!(
"hurrycurry-render-cfg-{:016x}",
rand::random::<u64>()
));
let config = {
let (width, height) = a
.resolution
.split_once("x")
.ok_or(anyhow!("resolution malformed"))?;
format!(
r#"config_version=5
[display]
window/size/viewport_width={width}
window/size/viewport_height={height}
"#,
)
};
create_dir_all(&cwd).await?;
File::create(cwd.join("override.cfg"))
.await?
.write_all(config.as_bytes())
.await?;
#[cfg(unix)]
tokio::fs::symlink(&a.client_pck, cwd.join("client.pck"))
.await
.context("symlinking pck")?;
#[cfg(not(unix))]
tokio::fs::copy(&a.client_pck, cwd.join("client.pck"))
.await
.context("copying pck")?;
let mut args = Vec::new();
if a.headless {
args.push("wlheadless-run");
args.extend(["-c", &a.headless_compositor]);
args.push("--");
}
if a.headless && a.video_driver == "x11" {
args.push("xwayland-run");
args.push("--");
}
args.push("godot");
let main_pack = cwd.join("client.pck");
let main_pack = main_pack.to_str().unwrap();
args.extend(["--main-pack", main_pack]);
if a.headless {
args.extend(["--video-driver", &a.video_driver]);
args.extend(["--rendering-driver", &a.rendering_driver]);
}
args.extend(["--write-movie", a.output.to_str().unwrap()]);
let fps = a.framerate.to_string();
args.extend(["--fixed-fps", &fps]);
args.push("--print-fps");
args.push("--");
let camera_path = a.camera.map(|path| path.to_str().unwrap().to_string());
if let Some(path) = &camera_path {
args.extend(["--replay-camera", path]);
}
let uri = format!("ws://127.0.0.1:{}", a.port);
args.push(&uri);
info!("using commandline {:?}", args.join(" "));
let mut client = Command::new(args[0])
.args(&args[1..])
.spawn()
.context("starting command")?;
info!("listening for websockets on {}", ws_listener.local_addr()?);
replay(&ws_listener, &a.input).await?;
let e = client.wait().await?;
if !e.success() {
bail!("failed with code {:?}", e.code())
}
remove_file(cwd.join("override.cfg")).await?;
remove_file(cwd.join("client.pck")).await?;
remove_dir(cwd).await?;
Ok(())
}
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