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use bevy::ecs::system::Resource;
use bevy::prelude::*;
use bevy_kira_audio::AudioSource;
use serde::{Deserialize, Serialize};
use crate::music_box::MusicBox;
pub trait SuppliesAudio: Resource {
fn get_audio_track<T: ToString>(&self, name: T) -> Option<Handle<AudioSource>>;
}
#[derive(Copy, Clone, Debug, Serialize, Deserialize)]
pub struct AudioSettings {
master_volume: f32,
music_volume: f32,
sfx_volume: f32,
ui_volume: f32,
}
impl Default for AudioSettings {
fn default() -> Self {
Self {
master_volume: 1.0,
music_volume: 0.0,
sfx_volume: 0.0,
ui_volume: 0.0,
}
}
}
#[derive(Copy, Clone, Debug, Default, Serialize, Deserialize)]
pub enum CrossFadeTrack {
#[default]
A,
B,
}
#[derive(Copy, Clone, Debug, Serialize, Deserialize)]
pub struct CrossFadeState {
pub active: CrossFadeTrack,
pub next: CrossFadeTrack,
pub progress: f32,
}
impl Default for CrossFadeState {
fn default() -> Self {
Self {
active: CrossFadeTrack::A,
next: CrossFadeTrack::B,
progress: 0.0,
}
}
}
#[derive(Copy, Clone, Debug, Default, Serialize, Deserialize)]
pub struct AudioCrossFade {
pub music: CrossFadeState,
pub ambiance: CrossFadeState,
}
pub enum TrackType {
Single(Handle<AudioSource>),
WithIntro(Handle<AudioSource>, Handle<AudioSource>),
Missing,
}
impl<'w, 's, T: SuppliesAudio> MusicBox<'w, 's, T> {
pub fn resolve_track_name<Name: ToString>(&'w self, name: Name) -> TrackType {
let name = name.to_string();
if let (Some(intro), Some(looped)) = (
self.handles.get_audio_track(format!("{}_intro", &name)),
self.handles.get_audio_track(format!("{}_loop", &name)),
) {
TrackType::WithIntro(intro, looped)
} else if let Some(track) = self.handles.get_audio_track(name.clone()) {
TrackType::Single(track)
} else if let Some(track) = self.handles.get_audio_track(format!("{}_looped", name)) {
TrackType::Single(track)
} else {
TrackType::Missing
}
}
}