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Add support for global effects.

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This commit is contained in:
Nolan Darilek 2020-12-12 10:26:37 -06:00
parent ab0e8e60c8
commit 43b8c2c793
2 changed files with 44 additions and 3 deletions
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17
examples/game.rs
View File

@ -1,5 +1,5 @@
use bevy::{asset::LoadState, prelude::*};
use bevy_openal::{Listener, OpenAlPlugin, Sound, Sounds};
use bevy_openal::{efx, Context, GlobalEffects, Listener, OpenAlPlugin, Sound, Sounds};
#[derive(Default)]
struct AssetHandles {
@ -7,8 +7,20 @@ struct AssetHandles {
loaded: bool,
}
fn setup(asset_server: Res<AssetServer>, mut handles: ResMut<AssetHandles>) {
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(
@ -32,6 +44,7 @@ fn load_and_create_system(
Sound {
buffer,
autoplay: true,
gain: 0.4,
looping: true,
..Default::default()
},

30
src/lib.rs
View File

@ -1,9 +1,14 @@
use std::collections::HashMap;
use std::io::Cursor;
use std::ops::{Deref, DerefMut};
use std::sync::Arc;
pub use alto::efx;
use alto::efx::AuxEffectSlot;
pub use alto::Context;
pub use alto::Device;
pub use alto::Source;
use alto::{Alto, Context, Mono, StaticSource, Stereo};
use alto::{Alto, Mono, StaticSource, Stereo};
use bevy::{
asset::{AssetLoader, HandleId, LoadContext, LoadedAsset},
prelude::*,
@ -140,9 +145,27 @@ impl Default for Sound {
}
pub type Sounds = HashMap<String, Sound>;
#[derive(Default)]
pub struct GlobalEffects(Vec<AuxEffectSlot>);
impl Deref for GlobalEffects {
type Target = Vec<AuxEffectSlot>;
fn deref(&self) -> &Self::Target {
&self.0
}
}
impl DerefMut for GlobalEffects {
fn deref_mut(&mut self) -> &mut Self::Target {
&mut self.0
}
}
fn source_system(
context: Res<Context>,
buffers: Res<Buffers>,
mut global_effects: ResMut<GlobalEffects>,
mut query: Query<(&mut Sounds, Option<&Transform>)>,
) {
for (mut sounds, transform) in query.iter_mut() {
@ -175,6 +198,9 @@ fn source_system(
source.set_relative(true);
source.set_position([0., 0., 0.]).unwrap();
}
for (send, effect) in global_effects.iter_mut().enumerate() {
source.set_aux_send(send as i32, effect).unwrap();
}
}
}
}
@ -218,8 +244,10 @@ impl Plugin for OpenAlPlugin {
let context = device.new_context(None).expect("Could not create context");
app.add_asset::<Buffer>()
.init_asset_loader::<BufferAssetLoader>()
.add_thread_local_resource(device)
.add_resource(context)
.add_resource(Buffers::default())
.add_resource(GlobalEffects::default())
.register_type::<Listener>()
.add_system(buffer_creation_system)
.add_system(source_system)