bevy_openal/examples/game.rs

66 lines
1.9 KiB
Rust

use bevy::{asset::LoadState, prelude::*};
use bevy_openal::{efx, Context, GlobalEffects, Listener, OpenAlPlugin, Sound, Sounds};
#[derive(Default)]
struct AssetHandles {
sounds: Vec<HandleUntyped>,
loaded: bool,
}
fn setup(
asset_server: Res<AssetServer>,
mut handles: ResMut<AssetHandles>,
context: ResMut<Context>,
mut global_effects: ResMut<GlobalEffects>,
) {
handles.sounds = asset_server.load_folder(".").expect("Failed to load sfx");
if let Ok(mut slot) = context.new_aux_effect_slot() {
if let Ok(mut reverb) = context.new_effect::<efx::EaxReverbEffect>() {
reverb.set_preset(&efx::REVERB_PRESET_GENERIC).unwrap();
slot.set_effect(&reverb).unwrap();
global_effects.push(slot);
}
}
}
fn load_and_create_system(
commands: &mut Commands,
asset_server: Res<AssetServer>,
mut handles: ResMut<AssetHandles>,
) {
if handles.loaded {
return;
}
handles.loaded = asset_server
.get_group_load_state(handles.sounds.iter().map(|handle| handle.id))
== LoadState::Loaded;
if handles.loaded {
commands.spawn((Listener::default(), Transform::default));
let handle = handles.sounds[0].clone();
let buffer = asset_server.get_handle(handle);
let mut sounds = Sounds::default();
sounds.insert(
"footstep".into(),
Sound {
buffer,
autoplay: true,
gain: 0.4,
looping: true,
..Default::default()
},
);
commands.spawn((Transform::from_translation(Vec3::new(15., 0., 0.)), sounds));
}
}
fn main() {
App::build()
.add_plugins(DefaultPlugins)
.add_system(bevy::input::system::exit_on_esc_system)
.add_plugin(OpenAlPlugin)
.init_resource::<AssetHandles>()
.add_startup_system(setup)
.add_system(load_and_create_system)
.run();
}