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Switch to using hierarchies for sound playback, and restore play`stop/pause methods for forcing immediate source changes.

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This commit is contained in:
Nolan Darilek 2021-01-08 12:56:08 -06:00
parent ea24e966ef
commit c33a28efce
1 changed files with 108 additions and 67 deletions
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175
src/lib.rs
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@ -156,8 +156,6 @@ impl Default for Sound {
}
}
pub type Sounds = HashMap<String, Sound>;
#[derive(Default)]
pub struct GlobalEffects(Vec<AuxEffectSlot>);
@ -179,74 +177,108 @@ fn source_update(
context: Res<Context>,
buffers: Res<Buffers>,
mut global_effects: ResMut<GlobalEffects>,
mut query: Query<(&mut Sounds, Option<&Transform>)>,
mut query: Query<(&mut Sound, Option<&Transform>, Option<&GlobalTransform>)>,
) {
for (mut sounds, transform) in query.iter_mut() {
for mut sound in sounds.values_mut() {
let state = sound.state;
match state {
SoundState::Stopped => {
if let Some(source) = sound.source.as_mut() {
source.stop();
sound.source = None;
}
}
SoundState::Playing => {
if sound.source.is_none() {
let mut source = context.new_static_source().unwrap();
if let Some(buffer) = buffers.0.get(&sound.buffer.id) {
source.set_buffer(buffer.clone()).unwrap();
}
source.play();
sound.source = Some(source);
}
}
SoundState::Paused => {
if let Some(source) = sound.source.as_mut() {
source.pause();
} else {
let mut source = context.new_static_source().unwrap();
if let Some(buffer) = buffers.0.get(&sound.buffer.id) {
source.set_buffer(buffer.clone()).unwrap();
}
source.pause();
sound.source = Some(source);
}
}
}
if let Some(source) = sound.source.as_mut() {
sound.state = match source.state() {
SourceState::Initial => SoundState::Stopped,
SourceState::Playing => SoundState::Playing,
SourceState::Paused => SoundState::Paused,
SourceState::Stopped => SoundState::Stopped,
SourceState::Unknown(_) => SoundState::Stopped,
};
if sound.state != SoundState::Stopped {
source.set_gain(sound.gain).unwrap();
source.set_looping(sound.looping);
source.set_pitch(sound.pitch).unwrap();
if let Some(transform) = transform {
source.set_relative(false);
source
.set_position([
transform.translation.x,
transform.translation.y,
transform.translation.z,
])
.unwrap();
} else {
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();
}
} else {
for (mut sound, transform, global_transform) in query.iter_mut() {
let state = sound.state;
match state {
SoundState::Stopped => {
if let Some(source) = sound.source.as_mut() {
source.stop();
sound.source = None;
}
}
SoundState::Playing => {
if sound.source.is_none() {
let mut source = context.new_static_source().unwrap();
if let Some(buffer) = buffers.0.get(&sound.buffer.id) {
source.set_buffer(buffer.clone()).unwrap();
}
source.play();
sound.source = Some(source);
}
}
SoundState::Paused => {
if let Some(source) = sound.source.as_mut() {
source.pause();
} else {
let mut source = context.new_static_source().unwrap();
if let Some(buffer) = buffers.0.get(&sound.buffer.id) {
source.set_buffer(buffer.clone()).unwrap();
}
source.pause();
sound.source = Some(source);
}
}
}
let state = sound.state;
let gain = sound.gain;
let looping = sound.looping;
let pitch = sound.pitch;
let source_state = if let Some(source) = &sound.source {
Some(source.state())
} else {
None
};
if let Some(source_state) = source_state {
sound.state = match source_state {
SourceState::Initial => SoundState::Stopped,
SourceState::Playing => SoundState::Playing,
SourceState::Paused => SoundState::Paused,
SourceState::Stopped => SoundState::Stopped,
SourceState::Unknown(_) => SoundState::Stopped,
};
} else {
sound.state = SoundState::Stopped;
}
if let Some(source) = sound.source.as_mut() {
if state != SoundState::Stopped {
source.set_gain(gain).unwrap();
source.set_looping(looping);
source.set_pitch(pitch).unwrap();
let translation = global_transform
.map(|v| v.translation)
.or_else(|| transform.map(|v| v.translation));
if let Some(translation) = translation {
source.set_relative(false);
source
.set_position([translation.x, translation.y, translation.z])
.unwrap();
} else {
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();
}
} else {
sound.source = None;
}
}
}
}
impl Sound {
pub fn stop(&mut self) {
if let Some(source) = self.source.as_mut() {
source.stop();
}
self.state = SoundState::Stopped;
self.source = None;
}
pub fn play(&mut self) {
if let Some(source) = self.source.as_mut() {
source.play();
}
self.state = SoundState::Playing;
}
pub fn pause(&mut self) {
if let Some(source) = self.source.as_mut() {
source.pause();
}
self.state = SoundState::Paused;
}
}
@ -254,8 +286,17 @@ fn source_update(
#[reflect(Component)]
pub struct Listener;
fn listener_update(context: ResMut<Context>, query: Query<(&Listener, Option<&Transform>)>) {
for (_, transform) in query.iter() {
fn listener_update(
context: ResMut<Context>,
query: Query<(&Listener, Option<&Transform>, Option<&GlobalTransform>)>,
) {
for (_, transform, global_transform) in query.iter() {
let transform = transform.cloned().or_else(|| {
global_transform.map(|v| {
let matrix = v.compute_matrix();
Transform::from_matrix(matrix)
})
});
if let Some(transform) = transform {
let matrix = transform.compute_matrix().inverse();
let look = matrix.x_axis;