Added basic cli

Cargo.lock

@@ -84,6 +84,54 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "anstream"
+version = "0.6.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6e2e1ebcb11de5c03c67de28a7df593d32191b44939c482e97702baaaa6ab6a5"
+dependencies = [
+ "anstyle",
+ "anstyle-parse",
+ "anstyle-query",
+ "anstyle-wincon",
+ "colorchoice",
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7079075b41f533b8c61d2a4d073c4676e1f8b249ff94a393b0595db304e0dd87"
+
+[[package]]
+name = "anstyle-parse"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c75ac65da39e5fe5ab759307499ddad880d724eed2f6ce5b5e8a26f4f387928c"
+dependencies = [
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle-query"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e28923312444cdd728e4738b3f9c9cac739500909bb3d3c94b43551b16517648"
+dependencies = [
+ "windows-sys 0.52.0",
+]
+
+[[package]]
+name = "anstyle-wincon"
+version = "3.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1cd54b81ec8d6180e24654d0b371ad22fc3dd083b6ff8ba325b72e00c87660a7"
+dependencies = [
+ "anstyle",
+ "windows-sys 0.52.0",
+]
+
 [[package]]
 name = "anyhow"
 version = "1.0.76"
@@ -267,6 +315,46 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fd16c4719339c4530435d38e511904438d07cce7950afa3718a84ac36c10e89e"
 
+[[package]]
+name = "clap"
+version = "4.4.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e578d6ec4194633722ccf9544794b71b1385c3c027efe0c55db226fc880865c"
+dependencies = [
+ "clap_builder",
+ "clap_derive",
+]
+
+[[package]]
+name = "clap_builder"
+version = "4.4.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4df4df40ec50c46000231c914968278b1eb05098cf8f1b3a518a95030e71d1c7"
+dependencies = [
+ "anstream",
+ "anstyle",
+ "clap_lex",
+ "strsim",
+]
+
+[[package]]
+name = "clap_derive"
+version = "4.4.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf9804afaaf59a91e75b022a30fb7229a7901f60c755489cc61c9b423b836442"
+dependencies = [
+ "heck",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.42",
+]
+
+[[package]]
+name = "clap_lex"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "702fc72eb24e5a1e48ce58027a675bc24edd52096d5397d4aea7c6dd9eca0bd1"
+
 [[package]]
 name = "codespan-reporting"
 version = "0.11.1"
@@ -283,6 +371,12 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3d7b894f5411737b7867f4827955924d7c254fc9f4d91a6aad6b097804b1018b"
 
+[[package]]
+name = "colorchoice"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
+
 [[package]]
 name = "com-rs"
 version = "0.2.1"
@@ -622,14 +716,18 @@ name = "galactica"
 version = "0.0.0"
 dependencies = [
  "anyhow",
+ "clap",
  "galactica-content",
+ "galactica-packer",
  "galactica-playeragent",
  "galactica-render",
  "galactica-system",
  "galactica-util",
+ "image",
  "nalgebra",
  "pollster",
  "rand",
+ "walkdir",
  "wgpu",
  "winit",
 ]
@@ -875,6 +973,12 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "heck"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
+
 [[package]]
 name = "hexf-parse"
 version = "0.2.1"
@@ -1903,6 +2007,12 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6637bab7722d379c8b41ba849228d680cc12d0a45ba1fa2b48f2a30577a06731"
 
+[[package]]
+name = "strsim"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
+
 [[package]]
 name = "svg_fmt"
 version = "0.4.1"
@@ -2153,6 +2263,12 @@ version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f962df74c8c05a667b5ee8bcf162993134c104e96440b663c8daa176dc772d8c"
 
+[[package]]
+name = "utf8parse"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
+
 [[package]]
 name = "vec_map"
 version = "0.8.2"
@@ -2522,6 +2638,15 @@ dependencies = [
  "windows-targets 0.48.5",
 ]
 
+[[package]]
+name = "windows-sys"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
+dependencies = [
+ "windows-targets 0.52.0",
+]
+
 [[package]]
 name = "windows-targets"
 version = "0.42.2"
@@ -2552,6 +2677,21 @@ dependencies = [
  "windows_x86_64_msvc 0.48.5",
 ]
 
+[[package]]
+name = "windows-targets"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a18201040b24831fbb9e4eb208f8892e1f50a37feb53cc7ff887feb8f50e7cd"
+dependencies = [
+ "windows_aarch64_gnullvm 0.52.0",
+ "windows_aarch64_msvc 0.52.0",
+ "windows_i686_gnu 0.52.0",
+ "windows_i686_msvc 0.52.0",
+ "windows_x86_64_gnu 0.52.0",
+ "windows_x86_64_gnullvm 0.52.0",
+ "windows_x86_64_msvc 0.52.0",
+]
+
 [[package]]
 name = "windows_aarch64_gnullvm"
 version = "0.42.2"
@@ -2564,6 +2704,12 @@ version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8"
 
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cb7764e35d4db8a7921e09562a0304bf2f93e0a51bfccee0bd0bb0b666b015ea"
+
 [[package]]
 name = "windows_aarch64_msvc"
 version = "0.42.2"
@@ -2576,6 +2722,12 @@ version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dc35310971f3b2dbbf3f0690a219f40e2d9afcf64f9ab7cc1be722937c26b4bc"
 
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbaa0368d4f1d2aaefc55b6fcfee13f41544ddf36801e793edbbfd7d7df075ef"
+
 [[package]]
 name = "windows_i686_gnu"
 version = "0.42.2"
@@ -2588,6 +2740,12 @@ version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a75915e7def60c94dcef72200b9a8e58e5091744960da64ec734a6c6e9b3743e"
 
+[[package]]
+name = "windows_i686_gnu"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a28637cb1fa3560a16915793afb20081aba2c92ee8af57b4d5f28e4b3e7df313"
+
 [[package]]
 name = "windows_i686_msvc"
 version = "0.42.2"
@@ -2600,6 +2758,12 @@ version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406"
 
+[[package]]
+name = "windows_i686_msvc"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ffe5e8e31046ce6230cc7215707b816e339ff4d4d67c65dffa206fd0f7aa7b9a"
+
 [[package]]
 name = "windows_x86_64_gnu"
 version = "0.42.2"
@@ -2612,6 +2776,12 @@ version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"
 
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3d6fa32db2bc4a2f5abeacf2b69f7992cd09dca97498da74a151a3132c26befd"
+
 [[package]]
 name = "windows_x86_64_gnullvm"
 version = "0.42.2"
@@ -2624,6 +2794,12 @@ version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"
 
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a657e1e9d3f514745a572a6846d3c7aa7dbe1658c056ed9c3344c4109a6949e"
+
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.42.2"
@@ -2636,6 +2812,12 @@ version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
 
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dff9641d1cd4be8d1a070daf9e3773c5f67e78b4d9d42263020c057706765c04"
+
 [[package]]
 name = "winit"
 version = "0.28.7"

Cargo.toml

@@ -71,3 +71,4 @@ walkdir = "2.4.0"
 toml = "0.8.8"
 glyphon = "0.4.1"
 lazy_static = "1.4.0"
+clap = { version = "4.4.18", features = ["derive"] }

crates/galactica/Cargo.toml

@@ -26,6 +26,7 @@ galactica-render = { workspace = true }
 galactica-util = { workspace = true }
 galactica-system = { workspace = true }
 galactica-playeragent = { workspace = true }
+galactica-packer = { workspace = true }
 
 rand = { workspace = true }
 winit = { workspace = true }
@@ -33,3 +34,6 @@ wgpu = { workspace = true }
 pollster = { workspace = true }
 anyhow = { workspace = true }
 nalgebra = { workspace = true }
+clap = { workspace = true }
+walkdir = { workspace = true }
+image = { workspace = true }

crates/galactica/src/cli/mod.rs

@@ -0,0 +1 @@
+pub mod packer;

crates/galactica/src/cli/packer.rs

@@ -1,10 +1,7 @@
-mod atlasset;
-
-use atlasset::AtlasSet;
-
 use anyhow::{bail, Context, Result};
+use galactica_packer::AtlasSet;
 use image::io::Reader;
-use std::path::{Path, PathBuf};
+use std::path::Path;
 use walkdir::WalkDir;
 
 // TODO: warning when images have extra transparency
@@ -13,11 +10,9 @@ use walkdir::WalkDir;
 // TODO: randomly assign sprites to textures, for efficiency
 // TODO: group images by use case (dynamic loading algorithm)
 
-fn main() -> Result<()> {
+pub fn run(asset_root: &Path, cache_target: &Path) -> Result<()> {
 	let mut files = Vec::new();
 
-	let asset_root = Path::new("./assets/render");
-
 	// Total number of pixels we want to add
 	let mut total_dim = 0f64;
 
@@ -88,8 +83,8 @@ fn main() -> Result<()> {
 
 	println!("Saving files...");
 	atlas_set.save_files(
-		|x| PathBuf::from(format!("cache/atlas-{x:0.2}.bmp")),
+		|x| cache_target.join(format!("atlas-{x:0.2}.bmp")),
-		&PathBuf::from("cache/spriteatlas.toml"),
+		&cache_target.join("spriteatlas.toml"),
 	)?;
 
 	return Ok(());

crates/galactica/src/main.rs

@@ -1,6 +1,7 @@
 mod game;
 
 use anyhow::{bail, Result};
+use clap::Parser;
 use galactica_content::{Content, SystemHandle};
 use galactica_playeragent::{PlayerAgent, PlayerStatus};
 use galactica_render::RenderInput;
@@ -20,7 +21,38 @@ use winit::{
 	window::WindowBuilder,
 };
 
-fn main() {
+#[derive(Parser, Debug)]
+#[command(author, version, about, long_about = None)]
+struct Args {
+	/// Run the asset packer
+	#[arg(long, action, group = "run")]
+	pack: bool,
+
+	/// Check content in the default directory
+	#[arg(long, action, group = "run")]
+	check_content: bool,
+}
+
+mod cli;
+
+fn main() -> Result<()> {
+	let args = Args::parse();
+
+	let cache_dir = Path::new(ASSET_CACHE);
+	fs::create_dir_all(cache_dir)?;
+
+	if args.pack {
+		cli::packer::run(Path::new("./assets/render"), cache_dir)?;
+	} else if args.check_content {
+		let atlas_index = cache_dir.join("spriteatlas.toml");
+		let _ = Content::load_dir(
+			PathBuf::from("./content"),
+			PathBuf::from("./assets"),
+			atlas_index.clone(),
+		)?;
+		println!("Content was loaded without errors.")
+	} else {
+		// Run game
 		if let Err(err) = try_main() {
 			eprintln!("Galactica failed with an error");
 
@@ -31,6 +63,9 @@ fn main() {
 			}
 			std::process::exit(1);
 		}
+	}
+
+	return Ok(());
 }
 
 fn try_main() -> Result<()> {
@@ -43,11 +78,11 @@ fn try_main() -> Result<()> {
 		bail!("Could not find sprite atlas!");
 	}
 
-	// TODO: pretty error if missing
+	// TODO: pretty error if missing (also in cli)
 	let content = Content::load_dir(
 		PathBuf::from("./content"),
 		PathBuf::from("./assets"),
-		atlas_index.clone(),
+		atlas_index,
 	)?;
 
 	let event_loop = EventLoop::new();

crates/packer/Cargo.toml

@@ -1,7 +1,3 @@
-[[bin]]
-name = "galactica-packer"
-path = "src/main.rs"
-
 [package]
 name = "galactica-packer"
 description = "Galactica's sprite packer"

crates/packer/src/atlasset.rs

@@ -1,5 +1,5 @@
+use crate::{SpriteAtlas, SpriteAtlasImage};
 use anyhow::{bail, Context, Result};
-use galactica_packer::{SpriteAtlas, SpriteAtlasImage};
 use image::{imageops, GenericImageView, ImageBuffer, Rgba, RgbaImage};
 use std::{
 	fs::File,
@@ -16,6 +16,7 @@ use std::{
 // image: a single file
 // sprite: a possibly animated texture
 
+/// Builds a set of atlas textures from input image files
 pub struct AtlasSet {
 	/// The width of each atlas
 	texture_width: u32,
@@ -56,6 +57,7 @@ pub struct AtlasSet {
 }
 
 impl AtlasSet {
+	/// Make a new AtlasSet
 	pub fn new(
 		texture_width: u32,
 		texture_height: u32,
@@ -223,6 +225,7 @@ impl AtlasSet {
 		return Ok(atlas_idx);
 	}
 
+	/// Save the index and all atlas files
 	pub fn save_files<F>(mut self, atlas_path: F, index_path: &Path) -> Result<()>
 	where
 		F: Fn(usize) -> PathBuf,
@@ -265,6 +268,7 @@ impl AtlasSet {
 	}
 	*/
 
+	/// Get the current packing efficiency of this set, over all atlases.
 	pub fn get_efficiency(&self) -> f64 {
 		self.used_area
 			/ (self.texture_height as f64

crates/packer/src/lib.rs

@@ -2,6 +2,9 @@
 
 //! This crate creates texture atlases from an asset tree.
 
+mod atlasset;
+pub use atlasset::*;
+
 use std::{
 	collections::HashMap,
 	num::NonZeroU32,