#[derive(Debug, Eq, PartialEq)]
enum Objects {
    Player,
    Monster,
    Coin,
}

use spew::prelude::*;
use bevy::prelude::*;

fn main() {
    App::new()
    // ...
        .add_plugin(SpewPlugin::<Objects, Transform>::default()) // <--- Add the plugin
    // ...
        .run();
}

use spew::prelude::*;
use bevy::prelude::*;

fn main() {
    App::new()
    // ...
        .add_spawners( // <--- Register the spawn functions
            (Objects::Player, spawn_player),
            (Objects::Monster, spawn_monster),
            (Objects::Coin, spawn_coin),
        )
    // ...
        .run();
}

fn spawn_player(In(transform): In<Transform>, mut commands: Commands) { {
    commands.spawn((
        Name::new("Spiffy the Adventurer"),
        TransformBundle::from_transform(transform),
    ));
}

fn spawn_monster(In(transform): In<Transform>, mut commands: Commands) {
    commands.spawn((
        Name::new("Grumblor the Grumpy"),
        TransformBundle::from_transform(transform),
    ));
}

fn spawn_coin(In(transform): In<Transform>, mut commands: Commands) {
    commands.spawn((
        Name::new("$1000"),
        TransformBundle::from_transform(transform),
    ));
}

use spew::prelude::*;
use bevy::prelude::*;

fn main() {
    App::new()
    // ...
        .add_system(setup_map.on_startup())
    // ...
        .run();
}

fn setup_map(mut spawn_events: EventWriter<SpawnEvent<Object, Transform>>) {
    spawn_events.send(SpawnEvent::with_data(
        Objects::Player,
        Transform::from_xyz(0.0, 0.0, 0.0),
    ));
    spawn_events.send(SpawnEvent::with_data(
        Objects::Monster,
        Transform::from_xyz(5.0, 0.0, 0.0),
    ));
    spawn_events.send(SpawnEvent::with_data(
        Objects::Coin,
        Transform::from_xyz(10.0, 0.0, 0.0),
    ));
}

use bevy::prelude::*;

fn spawn_player(commands: &mut Commands) {
    commands.spawn((
        Name::new("Adventurer"),
        TransformBundle::from_transform(Transform::from_xyz(0.0, 0.0, 0.0)),
    ));
}

use std::f32::consts::TAU;
use bevy::prelude::*;

fn spawn_bullet(commands: &mut Commands, asset_server: Res<AssetServer>) {
    commands.spawn((
        Name::new("Bullet"),
        SceneBundle {
            scene: asset_server.load("models/bullet.gltf#Scene0"),
            transform: Transform {
                translation: Vec3::new(5.0, 4.0, 12.0),
                scale: Vec3::splat(0.012),
                rotation: Quat::from_rotation_y(TAU / 2.),
            },
            ..default()
        },
    ));
}

use bevy::prelude::*;
fn handle_input(...) {
    // ...
    if should_fire_bullet {
        let position = player_transform.translation;
        spawn_bullet(&mut commands, &asset_server, position);
    }
}

fn spawn_bullet(commands: &mut Commands, asset_server: &AssetServer, position: Vec3) {
    commands.spawn((
        Name::new("Bullet"),
        SceneBundle {
            scene: asset_server.load("models/bullet.gltf#Scene0"),
            transform: Transform {
                translation: position,
                scale: Vec3::splat(0.012),
                rotation: Quat::from_rotation_y(TAU / 2.),
            },
            ..default()
        },
    ));
}