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https://github.com/italicsjenga/agb.git
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Merge pull request #92 from gwilymk/proc-macro-for-agb-image-converter
Proc macro for agb image converter
This commit is contained in:
commit
5bc3844a14
36
agb-image-converter/Cargo.lock
generated
36
agb-image-converter/Cargo.lock
generated
|
@ -13,7 +13,11 @@ name = "agb_image_converter"
|
|||
version = "0.4.0"
|
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dependencies = [
|
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"image",
|
||||
"typed-builder",
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"serde",
|
||||
"syn",
|
||||
"toml",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
@ -166,6 +170,26 @@ dependencies = [
|
|||
"proc-macro2",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "serde"
|
||||
version = "1.0.126"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ec7505abeacaec74ae4778d9d9328fe5a5d04253220a85c4ee022239fc996d03"
|
||||
dependencies = [
|
||||
"serde_derive",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "serde_derive"
|
||||
version = "1.0.126"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "963a7dbc9895aeac7ac90e74f34a5d5261828f79df35cbed41e10189d3804d43"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "syn"
|
||||
version = "1.0.73"
|
||||
|
@ -178,14 +202,12 @@ dependencies = [
|
|||
]
|
||||
|
||||
[[package]]
|
||||
name = "typed-builder"
|
||||
version = "0.9.0"
|
||||
name = "toml"
|
||||
version = "0.5.8"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "345426c7406aa355b60c5007c79a2d1f5b605540072795222f17f6443e6a9c6f"
|
||||
checksum = "a31142970826733df8241ef35dc040ef98c679ab14d7c3e54d827099b3acecaa"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
"serde",
|
||||
]
|
||||
|
||||
[[package]]
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||||
|
|
|
@ -6,6 +6,13 @@ edition = "2018"
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license = "MPL-2.0"
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description = "Library for converting graphics for use on the Game Boy Advance"
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[lib]
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proc-macro = true
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[dependencies]
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image = { version = "0.23.14", default-features = false, features = [ "png", "bmp" ] }
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typed-builder = "0.9.0"
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toml = "0.5.8"
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serde = { version = "1.0", features = ["derive"] }
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syn = "1.0.73"
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proc-macro2 = "1.0.27"
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quote = "1.0.9"
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@ -1,17 +0,0 @@
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use std::env;
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use agb_image_converter::{convert_image, ImageConverterConfig, TileSize};
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fn main() {
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let args: Vec<_> = env::args().collect();
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let file_path = &args[1];
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let output_path = &args[2];
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convert_image(
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ImageConverterConfig::builder()
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.tile_size(TileSize::Tile8)
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.input_image(file_path.into())
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.output_file(output_path.into())
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.build(),
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);
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}
|
105
agb-image-converter/src/config.rs
Normal file
105
agb-image-converter/src/config.rs
Normal file
|
@ -0,0 +1,105 @@
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use serde::Deserialize;
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use std::collections::HashMap;
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use std::fs;
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use crate::{Colour, TileSize};
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pub(crate) fn parse(filename: &str) -> Box<dyn Config> {
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let config_toml =
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fs::read_to_string(filename).unwrap_or_else(|_| panic!("Failed to read file {}", filename));
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let config: ConfigV1 = toml::from_str(&config_toml).expect("Failed to parse file");
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if config.version != "1.0" {
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panic!(
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"Expected version of {} to be 1.0, got {}",
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filename, config.version
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);
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}
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Box::new(config)
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}
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pub(crate) trait Config {
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fn crate_prefix(&self) -> String;
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fn images(&self) -> HashMap<String, &dyn Image>;
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}
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pub(crate) trait Image {
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fn filename(&self) -> String;
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fn transparent_colour(&self) -> Option<Colour>;
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fn tilesize(&self) -> TileSize;
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}
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#[derive(Deserialize)]
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pub struct ConfigV1 {
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version: String,
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crate_prefix: Option<String>,
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image: HashMap<String, ImageV1>,
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}
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|
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impl Config for ConfigV1 {
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fn crate_prefix(&self) -> String {
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self.crate_prefix
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.clone()
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.unwrap_or_else(|| "agb".to_owned())
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}
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fn images(&self) -> HashMap<String, &dyn Image> {
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self.image
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.iter()
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.map(|(filename, image)| (filename.clone(), image as &dyn Image))
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.collect()
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}
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}
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#[derive(Deserialize)]
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pub struct ImageV1 {
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filename: String,
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transparent_colour: Option<String>,
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tile_size: TileSizeV1,
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}
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impl Image for ImageV1 {
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fn filename(&self) -> String {
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self.filename.clone()
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}
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fn transparent_colour(&self) -> Option<Colour> {
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if let Some(colour) = &self.transparent_colour {
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if colour.len() != 6 {
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panic!("Expected colour to be 6 characters, got {}", colour);
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}
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let r = u8::from_str_radix(&colour[0..2], 16).unwrap();
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let g = u8::from_str_radix(&colour[2..4], 16).unwrap();
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let b = u8::from_str_radix(&colour[4..6], 16).unwrap();
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return Some(Colour::from_rgb(r, g, b));
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}
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None
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}
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fn tilesize(&self) -> TileSize {
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self.tile_size.into()
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}
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}
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#[derive(Deserialize, Clone, Copy)]
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pub enum TileSizeV1 {
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#[serde(rename = "8x8")]
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Tile8,
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#[serde(rename = "16x16")]
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Tile16,
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}
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impl From<TileSizeV1> for TileSize {
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fn from(item: TileSizeV1) -> Self {
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match item {
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TileSizeV1::Tile8 => TileSize::Tile8,
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TileSizeV1::Tile16 => TileSize::Tile16,
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}
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}
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}
|
|
@ -1,20 +1,22 @@
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use std::fs::File;
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use std::io::BufWriter;
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use std::path::PathBuf;
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use proc_macro::TokenStream;
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use syn::parse_macro_input;
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use typed_builder::TypedBuilder;
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use std::path::Path;
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use quote::{format_ident, quote};
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mod colour;
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mod config;
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mod image_loader;
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mod palette16;
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mod rust_generator;
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use image_loader::Image;
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pub use colour::Colour;
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use colour::Colour;
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#[derive(Debug, Clone, Copy)]
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pub enum TileSize {
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pub(crate) enum TileSize {
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Tile8,
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Tile16,
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}
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|
@ -28,40 +30,69 @@ impl TileSize {
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}
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}
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#[derive(TypedBuilder)]
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pub struct ImageConverterConfig {
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#[builder(default, setter(strip_option))]
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transparent_colour: Option<Colour>,
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tile_size: TileSize,
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input_image: PathBuf,
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output_file: PathBuf,
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#[proc_macro]
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pub fn include_gfx(input: TokenStream) -> TokenStream {
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let input = parse_macro_input!(input as syn::LitStr);
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#[builder(default, setter(strip_option))]
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crate_prefix: Option<String>,
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let filename = input.value();
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let root = std::env::var("CARGO_MANIFEST_DIR").expect("Failed to get cargo manifest dir");
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let path = Path::new(&root).join(&*filename);
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let parent = path
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.parent()
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.expect("Expected a parent directory for the path");
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let config = config::parse(&path.to_string_lossy());
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let module_name = format_ident!(
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"{}",
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path.file_stem()
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.expect("Expected a file stem")
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.to_string_lossy()
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);
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let include_path = path.to_string_lossy();
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let images = config.images();
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let image_code = images.iter().map(|(image_name, &image)| {
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convert_image(image, parent, &image_name, &config.crate_prefix())
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});
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let module = quote! {
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pub mod #module_name {
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const _: &[u8] = include_bytes!(#include_path);
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#(#image_code)*
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}
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};
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TokenStream::from(module)
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}
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pub fn convert_image(settings: ImageConverterConfig) {
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let image = Image::load_from_file(&settings.input_image);
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fn convert_image(
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settings: &dyn config::Image,
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parent: &Path,
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variable_name: &str,
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crate_prefix: &str,
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) -> proc_macro2::TokenStream {
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let image_filename = &parent.join(&settings.filename());
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let image = Image::load_from_file(image_filename);
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let tile_size = settings.tile_size.to_size();
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let tile_size = settings.tilesize().to_size();
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if image.width % tile_size != 0 || image.height % tile_size != 0 {
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panic!("Image size not a multiple of tile size");
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}
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let optimiser = optimiser_for_image(&image, tile_size);
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let optimisation_results = optimiser.optimise_palettes(settings.transparent_colour);
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let output_file = File::create(&settings.output_file).expect("Failed to create file");
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let mut writer = BufWriter::new(output_file);
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let optimisation_results = optimiser.optimise_palettes(settings.transparent_colour());
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|
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rust_generator::generate_code(
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&mut writer,
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variable_name,
|
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&optimisation_results,
|
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&image,
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settings.tile_size,
|
||||
settings.crate_prefix.unwrap_or("agb".to_owned()),
|
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&image_filename.to_string_lossy(),
|
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settings.tilesize(),
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crate_prefix.to_owned(),
|
||||
)
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.expect("Failed to write data");
|
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}
|
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|
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fn optimiser_for_image(image: &Image, tile_size: usize) -> palette16::Palette16Optimiser {
|
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|
|
|
@ -1,97 +1,87 @@
|
|||
use std::io;
|
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use std::io::Write;
|
||||
|
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use crate::image_loader::Image;
|
||||
use crate::palette16::Palette16OptimisationResults;
|
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use crate::TileSize;
|
||||
|
||||
use proc_macro2::TokenStream;
|
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use quote::{format_ident, quote};
|
||||
|
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use std::iter;
|
||||
|
||||
pub(crate) fn generate_code(
|
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output: &mut dyn Write,
|
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output_variable_name: &str,
|
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results: &Palette16OptimisationResults,
|
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image: &Image,
|
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image_filename: &str,
|
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tile_size: TileSize,
|
||||
crate_prefix: String,
|
||||
) -> io::Result<()> {
|
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writeln!(
|
||||
output,
|
||||
"pub const PALETTE_DATA: &[{}::display::palette16::Palette16] = &[",
|
||||
crate_prefix,
|
||||
)?;
|
||||
) -> TokenStream {
|
||||
let crate_prefix = format_ident!("{}", crate_prefix);
|
||||
let output_variable_name = format_ident!("{}", output_variable_name);
|
||||
|
||||
for palette in &results.optimised_palettes {
|
||||
write!(
|
||||
output,
|
||||
" {}::display::palette16::Palette16::new([",
|
||||
crate_prefix
|
||||
)?;
|
||||
let palette_data = results.optimised_palettes.iter().map(|palette| {
|
||||
let colours = palette
|
||||
.clone()
|
||||
.into_iter()
|
||||
.map(|colour| colour.to_rgb15())
|
||||
.chain(iter::repeat(0))
|
||||
.take(16)
|
||||
.map(|colour| colour as u16);
|
||||
|
||||
for colour in palette.clone() {
|
||||
write!(output, "0x{:08x}, ", colour.to_rgb15())?;
|
||||
quote! {
|
||||
#crate_prefix::display::palette16::Palette16::new([
|
||||
#(#colours),*
|
||||
])
|
||||
}
|
||||
|
||||
for _ in palette.clone().into_iter().len()..16 {
|
||||
write!(output, "0x00000000, ")?;
|
||||
}
|
||||
|
||||
writeln!(output, "]),")?;
|
||||
}
|
||||
|
||||
writeln!(output, "];")?;
|
||||
writeln!(output)?;
|
||||
|
||||
writeln!(output, "pub const TILE_DATA: &[u32] = &[",)?;
|
||||
});
|
||||
|
||||
let tile_size = tile_size.to_size();
|
||||
|
||||
let tiles_x = image.width / tile_size;
|
||||
let tiles_y = image.height / tile_size;
|
||||
|
||||
let mut tile_data = vec![];
|
||||
|
||||
for y in 0..tiles_y {
|
||||
for x in 0..tiles_x {
|
||||
let palette_index = results.assignments[y * tiles_x + x];
|
||||
let palette = &results.optimised_palettes[palette_index];
|
||||
writeln!(
|
||||
output,
|
||||
" /* {}, {} (palette index {}) */",
|
||||
x, y, palette_index
|
||||
)?;
|
||||
|
||||
|
||||
for inner_y in 0..tile_size / 8 {
|
||||
write!(output, " ")?;
|
||||
|
||||
for inner_x in 0..tile_size / 8 {
|
||||
for j in inner_y * 8..inner_y * 8 + 8 {
|
||||
write!(output, "0x")?;
|
||||
|
||||
for j in inner_y * 8..inner_y * 8 + 8 {
|
||||
for i in (inner_x * 8..inner_x * 8 + 8).rev() {
|
||||
let colour = image.colour(x * tile_size + i, y * tile_size + j);
|
||||
let colour_index = palette.colour_index(colour);
|
||||
|
||||
write!(output, "{:x}", colour_index)?;
|
||||
tile_data.push(palette.colour_index(colour));
|
||||
}
|
||||
|
||||
write!(output, ", ")?;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
writeln!(output)?;
|
||||
}
|
||||
}
|
||||
|
||||
writeln!(output, "];")?;
|
||||
writeln!(output)?;
|
||||
let tile_data = tile_data.chunks(8)
|
||||
.map(|chunk| chunk.iter().fold(0u32, |acc, &x| (acc << 4) | (x as u32)));
|
||||
|
||||
write!(output, "pub const PALETTE_ASSIGNMENT: &[u8] = &[")?;
|
||||
let assignments = results.assignments.iter().map(|&x| x as u8);
|
||||
|
||||
for (i, assignment) in results.assignments.iter().enumerate() {
|
||||
if i % 16 == 0 {
|
||||
write!(output, "\n ")?;
|
||||
}
|
||||
write!(output, "{}, ", assignment)?;
|
||||
quote! {
|
||||
#[allow(non_upper_case_globals)]
|
||||
pub const #output_variable_name: #crate_prefix::display::tile_data::TileData = {
|
||||
const _: &[u8] = include_bytes!(#image_filename);
|
||||
|
||||
const PALETTE_DATA: &[#crate_prefix::display::palette16::Palette16] = &[
|
||||
#(#palette_data),*
|
||||
];
|
||||
|
||||
const TILE_DATA: &[u32] = &[
|
||||
#(#tile_data),*
|
||||
];
|
||||
|
||||
const PALETTE_ASSIGNMENT: &[u8] = &[
|
||||
#(#assignments),*
|
||||
];
|
||||
|
||||
#crate_prefix::display::tile_data::TileData::new(PALETTE_DATA, TILE_DATA, PALETTE_ASSIGNMENT)
|
||||
};
|
||||
}
|
||||
|
||||
writeln!(output, "\n];")?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
|
38
agb/Cargo.lock
generated
38
agb/Cargo.lock
generated
|
@ -19,11 +19,13 @@ dependencies = [
|
|||
[[package]]
|
||||
name = "agb_image_converter"
|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "63c48ea2b7f5bb3c4605234f6355218401a840055ce703602b8266076a1e6f30"
|
||||
dependencies = [
|
||||
"image",
|
||||
"typed-builder",
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"serde",
|
||||
"syn",
|
||||
"toml",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
@ -176,6 +178,26 @@ dependencies = [
|
|||
"proc-macro2",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "serde"
|
||||
version = "1.0.126"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ec7505abeacaec74ae4778d9d9328fe5a5d04253220a85c4ee022239fc996d03"
|
||||
dependencies = [
|
||||
"serde_derive",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "serde_derive"
|
||||
version = "1.0.126"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "963a7dbc9895aeac7ac90e74f34a5d5261828f79df35cbed41e10189d3804d43"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "syn"
|
||||
version = "1.0.73"
|
||||
|
@ -188,14 +210,12 @@ dependencies = [
|
|||
]
|
||||
|
||||
[[package]]
|
||||
name = "typed-builder"
|
||||
version = "0.9.0"
|
||||
name = "toml"
|
||||
version = "0.5.8"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "345426c7406aa355b60c5007c79a2d1f5b605540072795222f17f6443e6a9c6f"
|
||||
checksum = "a31142970826733df8241ef35dc040ef98c679ab14d7c3e54d827099b3acecaa"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
"serde",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
|
|
@ -18,9 +18,7 @@ lto = true
|
|||
|
||||
[dependencies]
|
||||
bitflags = "1.2"
|
||||
|
||||
[build-dependencies]
|
||||
agb_image_converter = "0.4.0"
|
||||
agb_image_converter = { version = "0.4.0", path = "../agb-image-converter" }
|
||||
|
||||
[package.metadata.docs.rs]
|
||||
default-target = "thumbv6m-none-eabi"
|
||||
|
|
12
agb/build.rs
12
agb/build.rs
|
@ -1,5 +1,3 @@
|
|||
use agb_image_converter::{convert_image, Colour, ImageConverterConfig, TileSize};
|
||||
|
||||
fn main() {
|
||||
println!("cargo:rerun-if-changed=crt0.s");
|
||||
println!("cargo:rerun-if-changed=gba_mb.ld");
|
||||
|
@ -24,14 +22,4 @@ fn main() {
|
|||
}
|
||||
|
||||
println!("cargo:rustc-link-search={}", out_dir);
|
||||
|
||||
convert_image(
|
||||
ImageConverterConfig::builder()
|
||||
.transparent_colour(Colour::from_rgb(1, 1, 1))
|
||||
.tile_size(TileSize::Tile8)
|
||||
.input_image("gfx/test_logo.png".into())
|
||||
.output_file(format!("{}/test_logo.rs", out_dir).into())
|
||||
.crate_prefix("crate".to_owned())
|
||||
.build(),
|
||||
);
|
||||
}
|
||||
|
|
|
@ -10,19 +10,7 @@ pub fn main() -> ! {
|
|||
let mut gba = agb::Gba::new();
|
||||
let mut gfx = gba.display.video.tiled0();
|
||||
|
||||
gfx.set_background_palettes(example_logo::PALETTE_DATA);
|
||||
gfx.set_background_tilemap(0, example_logo::TILE_DATA);
|
||||
|
||||
let mut back = gfx.get_background().unwrap();
|
||||
|
||||
let mut entries: [u16; 30 * 20] = [0; 30 * 20];
|
||||
for tile_id in 0..(30 * 20) {
|
||||
let palette_entry = example_logo::PALETTE_ASSIGNMENT[tile_id as usize] as u16;
|
||||
entries[tile_id as usize] = tile_id | (palette_entry << 12);
|
||||
}
|
||||
|
||||
back.draw_full_map(&entries, (30_u32, 20_u32).into(), 0);
|
||||
back.show();
|
||||
example_logo::display_logo(&mut gfx);
|
||||
|
||||
loop {}
|
||||
}
|
||||
|
|
9
agb/gfx/agb_logo.toml
Normal file
9
agb/gfx/agb_logo.toml
Normal file
|
@ -0,0 +1,9 @@
|
|||
version = "1.0"
|
||||
|
||||
# Only needed for within the agb crate
|
||||
crate_prefix = "crate"
|
||||
|
||||
[image.test_logo]
|
||||
filename = "test_logo.png"
|
||||
transparent_colour = "010101"
|
||||
tile_size = "8x8"
|
|
@ -1,22 +1,28 @@
|
|||
include!(concat!(env!("OUT_DIR"), "/test_logo.rs"));
|
||||
use crate::display::tiled0::Tiled0;
|
||||
|
||||
#[test_case]
|
||||
fn logo_display(gba: &mut crate::Gba) {
|
||||
let mut gfx = gba.display.video.tiled0();
|
||||
crate::include_gfx!("gfx/agb_logo.toml");
|
||||
|
||||
gfx.set_background_palettes(PALETTE_DATA);
|
||||
gfx.set_background_tilemap(0, TILE_DATA);
|
||||
pub fn display_logo(gfx: &mut Tiled0) {
|
||||
gfx.set_background_palettes(agb_logo::test_logo.palettes);
|
||||
gfx.set_background_tilemap(0, agb_logo::test_logo.tiles);
|
||||
|
||||
let mut back = gfx.get_background().unwrap();
|
||||
|
||||
let mut entries: [u16; 30 * 20] = [0; 30 * 20];
|
||||
for tile_id in 0..(30 * 20) {
|
||||
let palette_entry = PALETTE_ASSIGNMENT[tile_id as usize] as u16;
|
||||
let palette_entry = agb_logo::test_logo.palette_assignments[tile_id as usize] as u16;
|
||||
entries[tile_id as usize] = tile_id | (palette_entry << 12);
|
||||
}
|
||||
|
||||
back.draw_full_map(&entries, (30_u32, 20_u32).into(), 0);
|
||||
back.show();
|
||||
}
|
||||
|
||||
#[test_case]
|
||||
fn logo_display(gba: &mut crate::Gba) {
|
||||
let mut gfx = gba.display.video.tiled0();
|
||||
|
||||
display_logo(&mut gfx);
|
||||
|
||||
crate::assert_image_output("gfx/test_logo.png");
|
||||
}
|
||||
|
|
|
@ -16,6 +16,8 @@ pub mod example_logo;
|
|||
pub mod object;
|
||||
/// Palette type.
|
||||
pub mod palette16;
|
||||
/// Data produced by agb-image-converter
|
||||
pub mod tile_data;
|
||||
/// Graphics mode 0. Four regular backgrounds.
|
||||
pub mod tiled0;
|
||||
/// Syscall for waiting for vblank.
|
||||
|
|
21
agb/src/display/tile_data.rs
Normal file
21
agb/src/display/tile_data.rs
Normal file
|
@ -0,0 +1,21 @@
|
|||
use crate::display::palette16::Palette16;
|
||||
|
||||
pub struct TileData {
|
||||
pub palettes: &'static [Palette16],
|
||||
pub tiles: &'static [u32],
|
||||
pub palette_assignments: &'static [u8],
|
||||
}
|
||||
|
||||
impl TileData {
|
||||
pub const fn new(
|
||||
palettes: &'static [Palette16],
|
||||
tiles: &'static [u32],
|
||||
palette_assignments: &'static [u8],
|
||||
) -> Self {
|
||||
TileData {
|
||||
palettes,
|
||||
tiles,
|
||||
palette_assignments,
|
||||
}
|
||||
}
|
||||
}
|
|
@ -20,6 +20,8 @@ pub mod input;
|
|||
/// Implements sound output.
|
||||
pub mod sound;
|
||||
|
||||
pub use agb_image_converter::include_gfx;
|
||||
|
||||
mod bitarray;
|
||||
mod interrupt;
|
||||
mod memory_mapped;
|
||||
|
|
Loading…
Reference in a new issue