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#include "AudioSystem.h"
#include "../manager/ComponentManager.h"
#include "../manager/ResourceManager.h"
#include "../types.h"
using namespace crepe;
using namespace std;
void AudioSystem::fixed_update() {
ComponentManager & component_manager = this->mediator.component_manager;
ResourceManager & resource_manager = this->mediator.resource_manager;
RefVector<AudioSource> components
= component_manager.get_components_by_type<AudioSource>();
for (AudioSource & component : components) {
Sound & resource = resource_manager.get<Sound>(component.source);
this->diff_update(component, resource);
this->update_last(component);
}
}
void AudioSystem::diff_update(AudioSource & component, Sound & resource) {
SoundContext & context = this->get_context();
if (component.active != component.last_active) {
if (!component.active) {
context.stop(component.voice);
return;
}
if (component.play_on_awake)
component.oneshot_play = true;
}
if (!component.active) return;
if (component.oneshot_play) {
component.voice = context.play(resource);
component.oneshot_play = false;
}
if (component.oneshot_stop) {
context.stop(component.voice);
component.oneshot_stop = false;
}
if (component.volume != component.last_volume) {
context.set_volume(component.voice, component.volume);
}
if (component.loop != component.last_loop) {
context.set_loop(component.voice, component.loop);
}
}
void AudioSystem::update_last(AudioSource & component) {
component.last_active = component.active;
component.last_loop = component.loop;
component.last_volume = component.volume;
}
SoundContext & AudioSystem::get_context() {
if (this->context == nullptr) this->context = make_unique<SoundContext>();
return *this->context.get();
}
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