Add default soundfont

Cargo.toml

@@ -15,3 +15,7 @@ rodio = "0.19"
 version = "0.14"
 default-features = false
 features = ["bevy_audio", "bevy_asset"]
+
+[features]
+default = ["hl4mgm"]
+hl4mgm = []

README.md

@@ -38,8 +38,8 @@ fn main() {
     App::new()
         .add_plugins((
             DefaultPlugins,
-            RustysynthPlugin {
-                soundfont: // Bring your own soundfont
+            RustySynthPlugin {
+                soundfont: // Bring your own soundfont or enable the "hl4mgm" feature to use a terrible 4MB default
             }
         ))
         .run();

src/lib.rs

@@ -5,22 +5,32 @@
 use bevy::{audio::AddAudioSource, prelude::*};
 use rustysynth::SoundFont;
 use std::{
-    io::Read,
+    io::{Cursor, Read},
     sync::{Arc, OnceLock},
 };
 
 mod assets;
 pub use assets::*;
 
+#[cfg(feature = "hl4mgm")]
+pub (crate) static HL4MGM: &[u8] = include_bytes!("./embedded_assets/hl4mgm.sf2");
+
 pub(crate) static SOUNDFONT: OnceLock<Arc<SoundFont>> = OnceLock::new();
 
 /// This plugin configures the soundfont used for playback and registers MIDI assets.
-#[derive(Default, Debug)]
+#[derive(Debug)]
 pub struct RustySynthPlugin<R: Read + Send + Sync + Clone + 'static> {
-    /// Reader for soundfont data. A default is not provided since soundfonts can be quite large.
+    /// Reader for soundfont data.
     pub soundfont: R,
 }
 
+#[cfg(feature = "hl4mgm")]
+impl Default for RustySynthPlugin<Cursor<&[u8]>> {
+    fn default() -> Self {
+        Self { soundfont: Cursor::new(HL4MGM) }
+    }
+}
+
 impl<R: Read + Send + Sync + Clone + 'static> Plugin for RustySynthPlugin<R> {
     fn build(&self, app: &mut App) {
         let _ = SOUNDFONT.set(Arc::new(