add batch_generate example

This commit is contained in:
crabman 2024-02-19 23:02:34 +01:00
parent 646c1ea4ba
commit 3d13524eb7
No known key found for this signature in database
3 changed files with 436 additions and 5 deletions

54
Cargo.lock generated
View File

@ -1131,6 +1131,19 @@ name = "conrod_winit"
version = "0.63.0"
source = "git+https://gitlab.com/veloren/conrod.git?branch=copypasta_0.7#59fddc617696e68d28a75c2137a08c2572efb986"
[[package]]
name = "console"
version = "0.15.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0e1f83fc076bd6dd27517eacdf25fef6c4dfe5f1d7448bafaaf3a26f13b5e4eb"
dependencies = [
"encode_unicode",
"lazy_static",
"libc",
"unicode-width",
"windows-sys 0.52.0",
]
[[package]]
name = "constant_time_eq"
version = "0.3.0"
@ -1937,6 +1950,12 @@ dependencies = [
"bytemuck",
]
[[package]]
name = "encode_unicode"
version = "0.3.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a357d28ed41a50f9c765dbfe56cbc04a64e53e5fc58ba79fbc34c10ef3df831f"
[[package]]
name = "encoding_rs"
version = "0.8.33"
@ -3138,6 +3157,19 @@ dependencies = [
"serde",
]
[[package]]
name = "indicatif"
version = "0.17.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "763a5a8f45087d6bcea4222e7b72c291a054edf80e4ef6efd2a4979878c7bea3"
dependencies = [
"console",
"instant",
"number_prefix",
"portable-atomic",
"unicode-width",
]
[[package]]
name = "indoc"
version = "2.0.4"
@ -4329,6 +4361,12 @@ dependencies = [
"syn 2.0.48",
]
[[package]]
name = "number_prefix"
version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "830b246a0e5f20af87141b25c173cd1b609bd7779a4617d6ec582abaf90870f3"
[[package]]
name = "objc"
version = "0.2.7"
@ -4746,6 +4784,12 @@ dependencies = [
"miniz_oxide",
]
[[package]]
name = "portable-atomic"
version = "1.6.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7170ef9988bc169ba16dd36a7fa041e5c4cbeb6a35b76d4c03daded371eae7c0"
[[package]]
name = "portpicker"
version = "0.1.0"
@ -7401,6 +7445,7 @@ dependencies = [
"fxhash",
"hashbrown 0.13.2",
"image",
"indicatif",
"itertools 0.10.5",
"kiddo",
"lazy_static",
@ -7418,6 +7463,7 @@ dependencies = [
"rstar",
"rusqlite",
"serde",
"signal-hook",
"strum 0.24.1",
"svg_fmt",
"tracing",
@ -8117,7 +8163,7 @@ dependencies = [
"js-sys",
"log",
"naga",
"parking_lot 0.11.2",
"parking_lot 0.12.1",
"profiling",
"raw-window-handle 0.5.2",
"serde",
@ -8142,7 +8188,7 @@ dependencies = [
"codespan-reporting",
"log",
"naga",
"parking_lot 0.11.2",
"parking_lot 0.12.1",
"profiling",
"raw-window-handle 0.5.2",
"ron",
@ -8177,13 +8223,13 @@ dependencies = [
"js-sys",
"khronos-egl",
"libc",
"libloading 0.7.4",
"libloading 0.8.1",
"log",
"metal",
"naga",
"objc",
"once_cell",
"parking_lot 0.11.2",
"parking_lot 0.12.1",
"profiling",
"range-alloc",
"raw-window-handle 0.5.2",

View File

@ -8,7 +8,8 @@ edition = "2021"
use-dyn-lib = ["common-dynlib"]
be-dyn-lib = []
simd = ["vek/platform_intrinsics", "packed_simd"]
bin_compression = ["lz-fear", "deflate", "flate2", "image/jpeg", "num-traits", "fallible-iterator", "clap", "rstar"]
bin_compression = ["lz-fear", "deflate", "flate2", "image/jpeg", "num-traits", "fallible-iterator", "rstar", "cli"]
cli = ["clap", "signal-hook", "indicatif"]
default = ["simd"]
@ -51,6 +52,8 @@ num-traits = { workspace = true, optional = true }
fallible-iterator = { version = "0.2.0", optional = true }
rstar = { version = "0.10", optional = true }
clap = { workspace = true, optional = true }
signal-hook = { version = "0.3.6", optional = true }
indicatif = { version = "0.17.8", optional = true }
[dev-dependencies]
@ -80,3 +83,7 @@ required-features = ["bin_compression"]
[[example]]
name = "heightmap_visualization"
required-features = ["bin_compression"]
[[example]]
name = "batch_generate"
required-features = ["cli"]

View File

@ -0,0 +1,378 @@
use std::{
fs::{self, create_dir_all, File},
io::Write,
ops::RangeInclusive,
path::{Path, PathBuf},
sync::{
atomic::{AtomicUsize, Ordering},
Arc,
},
};
use clap::{Parser, Subcommand};
use common::{
resources::MapKind,
terrain::{
map::{MapConfig, MapSample},
uniform_idx_as_vec2,
},
};
use image::{codecs::png::PngEncoder, ColorType, DynamicImage, GenericImage, ImageEncoder};
use indicatif::{MultiProgress, ProgressBar, ProgressStyle};
use rand::{thread_rng, Rng};
use rayon::ThreadPool;
use serde::{Deserialize, Serialize};
use tracing::{debug, error, info, info_span, Level, Span};
use tracing_subscriber::EnvFilter;
use vek::{Aabr, Rgb, Vec2};
use veloren_world::{
sim::{get_horizon_map, sample_pos, sample_wpos, FileOpts, GenOpts, WorldOpts, WorldSimStage},
IndexOwned, World, WorldGenerateStage, CONFIG,
};
#[derive(Parser)]
struct Cli {
#[command(subcommand)]
subcommand: Action,
/// Whether .bin files should be saved for maps
#[arg(short, long)]
save_bin: bool,
/// Hide progress bars
#[arg(short, long)]
no_progress: bool,
/// Path to where maps are saved
#[arg(long)]
maps_path: Option<PathBuf>,
}
#[derive(Subcommand)]
enum Action {
/// Generate maps in a loop using the provided configuration
Batch {
/// Configuration to use for map generation
config: String,
/// How many maps will be generated in parallel
#[arg(short, long)]
threads: Option<usize>,
},
/// Generate a map from the .ron file emitted by the batch command
Regenerate {
config: String,
/// Override erosion quality
#[arg(long)]
erosion_quality: Option<f32>,
},
}
#[derive(Debug, Clone, Deserialize)]
struct BatchGenerateConfig {
scale: RangeInclusive<f64>,
size: (u32, u32),
kind: MapKind,
erosion_quality: RangeInclusive<f32>,
}
impl BatchGenerateConfig {
fn gen_rand(&self) -> GenOpts {
GenOpts {
x_lg: self.size.0,
y_lg: self.size.1,
scale: thread_rng().gen_range(self.scale.clone()),
map_kind: self.kind,
erosion_quality: thread_rng().gen_range(self.erosion_quality.clone()),
}
}
}
#[derive(Serialize, Deserialize, Debug)]
struct MapGenConfig {
seed: u32,
gen_opts: GenOpts,
}
fn main() {
tracing_subscriber::fmt()
.with_max_level(Level::WARN)
.with_env_filter(EnvFilter::from_default_env())
.init();
let command = Cli::parse();
let maps_path = command.maps_path.unwrap_or(PathBuf::from("maps"));
match command.subcommand {
Action::Batch { config, threads } => do_batch_generate(
config,
command.save_bin,
threads,
command.no_progress,
maps_path,
),
Action::Regenerate {
config,
erosion_quality,
} => do_regenerate(
config,
maps_path,
erosion_quality,
command.no_progress,
command.save_bin,
),
}
}
fn generate_one(
seed: u32,
base_path: &Path,
gen_opts: GenOpts,
(save_bin, save_image, save_metadata): (bool, bool, bool),
span: &Span,
threadpool: &ThreadPool,
progress: Option<ProgressBar>,
) -> (World, IndexOwned) {
if let Some(progress) = &progress {
progress.set_message(seed.to_string());
}
let (world, index) = World::generate(
seed,
WorldOpts {
seed_elements: false,
world_file: if save_bin {
FileOpts::Save(base_path.with_extension("bin"), gen_opts.clone())
} else {
FileOpts::Generate(gen_opts.clone())
},
calendar: None,
},
threadpool,
&|stage| {
if let WorldGenerateStage::WorldSimGenerate(WorldSimStage::Erosion(percentage)) = stage
{
if let Some(progress) = &progress {
progress.set_position(percentage as u64);
}
span.in_scope(|| {
info!("Erosion progress: {percentage:02.0}%");
})
}
},
);
if save_image {
let index_ref = index.as_index_ref();
let sampler = world.sim();
let map_size_lg = sampler.map_size_lg();
let horizons = get_horizon_map(
map_size_lg,
Aabr {
min: Vec2::zero(),
max: map_size_lg.chunks().map(|e| e as i32),
},
CONFIG.sea_level,
CONFIG.sea_level + sampler.max_height,
|posi| {
let sample = sampler.get(uniform_idx_as_vec2(map_size_lg, posi)).unwrap();
sample.basement.max(sample.water_alt)
},
|a| a,
|h| h,
)
.ok();
let mut map_config = MapConfig::orthographic(map_size_lg, 0.0..=sampler.max_height);
map_config.horizons = horizons.as_ref();
map_config.is_shaded = true;
map_config.is_stylized_topo = true;
let map = sampler.get_map(index_ref, None);
let mut image = DynamicImage::new(
map_size_lg.chunks().x as u32,
map_size_lg.chunks().y as u32,
image::ColorType::Rgba8,
);
map_config.generate(
|pos| {
let default_sample = sample_pos(&map_config, sampler, index_ref, None, pos);
let [r, g, b, _a] = map.rgba[pos].to_le_bytes();
MapSample {
rgb: Rgb::new(r, g, b),
..default_sample
}
},
|wpos| sample_wpos(&map_config, sampler, wpos),
|pos, (r, g, b, a)| {
image.put_pixel(
pos.x as u32,
map_size_lg.chunks().y as u32 - pos.y as u32 - 1,
[r, g, b, a].into(),
)
},
);
let mut image_file =
File::create_new(base_path.with_extension("png")).expect("Could not create map file");
if let Err(error) = PngEncoder::new(&mut image_file).write_image(
image.as_bytes(),
map_size_lg.chunks().x as u32,
map_size_lg.chunks().y as u32,
ColorType::Rgba8,
) {
error!(?error, "Could not write image data");
}
let _ = image_file.flush();
}
if save_metadata {
// Write config
if let Err(error) = fs::write(
base_path.with_extension("ron"),
ron::ser::to_string_pretty(&MapGenConfig { seed, gen_opts }, Default::default())
.unwrap(),
) {
error!(?error, "Colud not write map configuration file");
}
}
info!("Finished writing map to: {}", base_path.display());
if let Some(progress) = progress {
progress.finish()
}
(world, index)
}
fn do_regenerate(
config: String,
maps_path: PathBuf,
erosion_quality: Option<f32>,
no_progress: bool,
save_bin: bool,
) {
let mut config: MapGenConfig =
ron::from_str(&fs::read_to_string(config).expect("Failed to read generation file"))
.expect("Could not parse generation file");
let base_path = if let Some(erosion_quality) = erosion_quality {
config.gen_opts.erosion_quality = erosion_quality;
maps_path.join(format!("{}_{:03}", config.seed, erosion_quality * 100.0))
} else {
maps_path.join(config.seed.to_string())
};
let span = info_span!("Generating map", map = ?config);
let pool = rayon::ThreadPoolBuilder::new().build().unwrap();
generate_one(
config.seed,
&base_path,
config.gen_opts,
(save_bin, true, true),
&span,
&pool,
(!no_progress).then(progress_bar),
);
}
fn do_batch_generate(
file: String,
save_bin: bool,
threads: Option<usize>,
no_progress: bool,
maps_path: PathBuf,
) {
let config: BatchGenerateConfig =
ron::from_str(&fs::read_to_string(file).expect("Failed to read generator config file"))
.expect("Could not parse generator config");
#[cfg(debug_assertions)]
tracing::warn!("For best performance, run this in release mode");
let threads = threads.unwrap_or(1);
let mut handles = vec![];
let map_i = Arc::new(AtomicUsize::new(0));
let shutdown_started = Arc::new(std::sync::atomic::AtomicBool::new(false));
debug!("Registering shutdown signal");
use signal_hook::consts::signal::*;
let _ = signal_hook::flag::register_conditional_default(SIGINT, Arc::clone(&shutdown_started));
let _ = signal_hook::flag::register(SIGINT, Arc::clone(&shutdown_started));
create_dir_all(&maps_path).unwrap();
let progress_bars = (!no_progress).then(MultiProgress::new);
for thread_id in 0..threads {
info!(?thread_id, "Starting thread");
let config = config.clone();
let map_i = Arc::clone(&map_i);
let shutdown_started = Arc::clone(&shutdown_started);
let maps_path = maps_path.clone();
let progress_bars = progress_bars.clone();
let h = std::thread::spawn::<_, ()>(move || {
loop {
let progress = progress_bars.as_ref().map(|bars| {
let progress = progress_bar();
bars.add(progress.clone());
progress
});
if shutdown_started.load(Ordering::Relaxed) {
info!(?thread_id, "Shutting down thread");
break;
}
let map_i = map_i.fetch_add(1, Ordering::SeqCst);
if let Some(progress) = &progress {
progress.set_prefix(format!("Map {}", map_i));
}
let seed = thread_rng().gen::<u32>();
let span = info_span!("generate", map_i, thread_id);
let _guard = span.enter();
let gen_opts = config.gen_rand();
let base_path = maps_path.join(seed.to_string());
let threadpool = rayon::ThreadPoolBuilder::new().build().unwrap();
info!("Starting world generation");
generate_one(
seed,
&base_path,
gen_opts,
(save_bin, true, true),
&span,
&threadpool,
progress,
);
}
});
handles.push(h);
}
for handle in handles {
let _ = handle.join();
}
}
fn progress_bar() -> ProgressBar {
ProgressBar::new(100).with_style(
ProgressStyle::with_template(
"[{elapsed_precise}] [{eta:6}] {prefix:8} {msg:15} [{wide_bar:.red/cyan}] {percent:3}%",
)
.unwrap()
.progress_chars("#>~"),
)
}