martian-chess/examples/hello-fmod.rs

//! This example demonstrates how to use the FmodPlugin to play a sound.
//! Make sure to follow the instructions in the README.md to set up the demo project.

use bevy::input::keyboard::KeyboardInput;
use bevy::input::ButtonState;
use bevy::prelude::*;
use bevy_fmod::prelude::AudioSource;
use bevy_fmod::prelude::*;

fn main() {
    App::new()
        .add_plugins((
            DefaultPlugins,
            FmodPlugin {
                audio_banks_paths: &[
                    "./assets/audio/Martian Chess/Build/Desktop/Master.bank",
                    "./assets/audio/Martian Chess/Build/Desktop/Master.strings.bank",
                    "./assets/audio/Martian Chess/Build/Desktop/Music.bank",
                ],
            },
        ))
        .add_systems(Startup, startup)
        .add_systems(PostStartup, play_music)
        .add_systems(Update, set_music)
        .run();
}

#[derive(Component)]
struct MyMusicPlayer;

fn startup(mut commands: Commands, studio: Res<FmodStudio>) {
    let event_description = studio.0.get_event("event:/Martian Chess").unwrap();

    studio
        .0
        .get_bank_list(10)
        .expect("List banks")
        .iter()
        .for_each(|bank| {
            info!("Bank: {:?}", bank.get_path().expect("Get bank path"));
            bank.get_event_list(100)
                .iter()
                .flat_map(|events| events.iter())
                .for_each(|event| {
                    info!("Event path: {:?}", event.get_path());
                    info!(
                        "Event parameter description {:?}",
                        event.get_parameter_description_by_name("Game State")
                    );
                });
        });

    commands
        .spawn(MyMusicPlayer)
        .insert(AudioSource::new(event_description));
}

fn play_music(mut audio_sources: Query<&AudioSource, With<MyMusicPlayer>>) {
    if let Ok(audio_source) = audio_sources.get_single_mut() {
        audio_source.play();
    }
}

fn set_music(
    mut events: EventReader<KeyboardInput>,
    mut audio_sources: Query<&AudioSource, With<MyMusicPlayer>>,
) {
    events.iter().for_each(
        |KeyboardInput {
             key_code, state, ..
         }| {
            if let Ok(audio_source) = audio_sources.get_single_mut() {
                let target = match state {
                    ButtonState::Pressed => match key_code {
                        Some(KeyCode::Key1) => 0.0,
                        Some(KeyCode::Key2) => 1.0,
                        Some(KeyCode::Key3) => 2.0,
                        Some(KeyCode::Key4) => 3.0,
                        Some(KeyCode::Key5) => 4.0,
                        Some(KeyCode::Key6) => 5.0,
                        _ => -1.0,
                    },
                    _ => -1.0,
                };
                if target >= 0.0 {
                    audio_source
                        .event_instance
                        .set_parameter_by_name("Game State", target, true)
                        .expect("Set audio parameter");
                }
            }
        },
    );
}