Fix WASM build

src/audio.rs

@@ -1,23 +1,25 @@
 // https://github.com/WeirdConstructor/HexoDSP/blob/master/examples/cpal_demo_node_api.rs
 
+use crate::game::AudioMsg;
+
 use cpal::traits::{DeviceTrait, HostTrait, StreamTrait};
 use crossbeam_channel::Receiver;
 use hexodsp::{matrix_repr::MatrixRepr, *};
 use std::io::Read;
 use ticktock::Clock;
 
-pub enum AudioMsg {
-	Color([f32; 3]),
-	Jump,
-}
-
 pub fn setup(event_channel: Receiver<AudioMsg>) {
-	let mut buf = String::new();
-	std::fs::File::open("assets/init.hxy")
-		.unwrap()
-		.read_to_string(&mut buf)
-		.unwrap();
-	let matrix_repr: MatrixRepr = MatrixRepr::deserialize(&buf).unwrap();
+	#[cfg(not(target_arch = "wasm32"))]
+	let matrix_repr: MatrixRepr = {
+		let mut buf = String::new();
+		std::fs::File::open("assets/init.hxy")
+			.unwrap()
+			.read_to_string(&mut buf)
+			.unwrap();
+		MatrixRepr::deserialize(&buf).unwrap()
+	};
+	#[cfg(target_arch = "wasm32")]
+	let matrix_repr: MatrixRepr = MatrixRepr::deserialize(include_str!("../assets/init.hxy")).unwrap();
 
 	let (node_conf, node_exec) = new_node_engine();
 

src/game.rs

@@ -1,8 +1,6 @@
 #![allow(clippy::precedence)]
 #![allow(clippy::too_many_arguments)]
 
-pub use crate::audio::AudioMsg;
-
 use crate::AppState;
 
 use bevy::{
@@ -13,6 +11,11 @@ use bevy::{
 use bevy_rapier2d::prelude::*;
 use std::collections::BTreeSet;
 
+pub enum AudioMsg {
+	Color([f32; 3]),
+	Jump,
+}
+
 #[derive(Clone, Copy, Eq, Hash, PartialEq)]
 pub struct LevelId(pub u32);
 

src/main.rs

@@ -1,14 +1,11 @@
+#[cfg(not(target_arch = "wasm32"))]
 mod audio;
 mod game;
 mod levels;
 mod menu;
 mod particle_effect;
 
-use bevy::{
-	core_pipeline::clear_color::ClearColorConfig,
-	prelude::*,
-	render::settings::{WgpuFeatures, WgpuSettings},
-};
+use bevy::{core_pipeline::clear_color::ClearColorConfig, prelude::*};
 use bevy_rapier2d::prelude::*;
 
 #[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
@@ -19,16 +16,13 @@ enum AppState {
 }
 
 fn main() {
-	let (audio_event_sender, audio_event_receiver) = crossbeam_channel::bounded(512);
+	let (audio_event_sender, audio_event_receiver) =
+		crossbeam_channel::bounded::<game::AudioMsg>(512);
 
+	#[cfg(not(target_arch = "wasm32"))]
 	std::thread::spawn(move || audio::setup(audio_event_receiver));
 
-	let mut options = WgpuSettings::default();
-	options
-		.features
-		.set(WgpuFeatures::VERTEX_WRITABLE_STORAGE, true);
 	App::new()
-		.insert_resource(options)
 		.insert_resource(audio_event_sender)
 		.add_state(AppState::Menu)
 		.add_plugins(DefaultPlugins)
@@ -43,6 +37,9 @@ fn main() {
 }
 
 fn setup(mut commands: Commands, asset_server: Res<AssetServer>) {
+	#[cfg(not(target_arch = "wasm32"))]
+	let font: Handle<Font> = asset_server.load("UacariLegacy-Thin.ttf");
+	#[cfg(target_arch = "wasm32")]
 	let font: Handle<Font> = asset_server.load("UacariLegacy-Thin.ttf");
 	commands.insert_resource(font);
 

src/particle_effect.rs

@@ -2,7 +2,10 @@ use bevy::{prelude::*, sprite::Mesh2dHandle};
 use rand::Rng;
 use rand_distr::{Distribution, UnitCircle};
 
+#[cfg(not(target_arch = "wasm32"))]
 pub const POOL_COUNT: usize = 100;
+#[cfg(target_arch = "wasm32")]
+pub const POOL_COUNT: usize = 50;
 
 pub const MIN_VELOCITY: f32 = 10.0;
 pub const MAX_VELOCITY: f32 = 100.0;