2024-04-01 03:25:35 +00:00
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use crate::{actor, nature, settings};
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2024-03-16 20:44:51 +00:00
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use bevy::prelude::*;
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2024-03-31 22:47:03 +00:00
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use bevy::render::render_resource::{AsBindGroup, ShaderRef};
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2024-04-01 14:29:14 +00:00
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use bevy::math::DVec3;
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2024-03-29 15:33:12 +00:00
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use bevy_xpbd_3d::prelude::*;
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2024-04-01 15:19:43 +00:00
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use bevy_xpbd_3d::plugins::sync::SyncConfig;
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2024-03-16 22:37:18 +00:00
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use std::f32::consts::PI;
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2024-03-16 20:44:51 +00:00
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2024-03-18 03:39:26 +00:00
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const ASTEROID_SIZE: f32 = 100.0;
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2024-03-27 15:47:05 +00:00
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const STARS_MAX_MAGNITUDE: f32 = 5.5;
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2024-03-18 03:39:26 +00:00
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2024-03-19 20:09:20 +00:00
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const ASSET_ASTEROID1: &str = "models/asteroid.glb#Scene0";
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const ASSET_ASTEROID2: &str = "models/asteroid2.glb#Scene0";
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2024-03-31 20:00:34 +00:00
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pub fn asset_name_to_path(name: &str) -> &'static str {
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match name {
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"suit" => "models/suit.glb#Scene0",
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"asteroid1" => ASSET_ASTEROID1,
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"asteroid2" => ASSET_ASTEROID2,
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2024-03-21 02:15:00 +00:00
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"moonlet" => "models/moonlet.glb#Scene0",
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2024-03-29 13:19:42 +00:00
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"monolith" => "models/monolith_neon.glb#Scene0",
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2024-03-31 02:10:54 +00:00
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"lightorb" => "models/lightorb.glb#Scene0",
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2024-03-28 16:25:35 +00:00
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"MeteorAceGT" => "models/MeteorAceGT.glb#Scene0",
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2024-03-21 03:34:09 +00:00
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"pizzeria" => "models/pizzeria2.glb#Scene0",
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"pizzasign" => "models/pizzasign.glb#Scene0",
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_ => "models/error.glb#Scene0",
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2024-03-20 19:37:35 +00:00
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}
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}
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2024-03-18 03:39:26 +00:00
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2024-03-17 23:04:23 +00:00
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pub struct WorldPlugin;
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impl Plugin for WorldPlugin {
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fn build(&self, app: &mut App) {
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2024-03-31 20:00:34 +00:00
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app.add_systems(Startup, setup);
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2024-04-01 03:25:35 +00:00
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app.add_systems(Update, handle_cheats);
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2024-03-29 15:33:12 +00:00
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app.add_plugins(PhysicsPlugins::default());
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2024-04-01 00:05:38 +00:00
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app.add_plugins(MaterialPlugin::<RingMaterial>::default());
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2024-03-30 14:37:51 +00:00
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//app.add_plugins(PhysicsDebugPlugin::default());
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app.insert_resource(Gravity(DVec3::splat(0.0)));
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2024-04-01 15:19:43 +00:00
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// Disable bevy_xpbd's position->transform sync because we have a
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// custom syncing function.
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app.insert_resource(SyncConfig {
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position_to_transform: false,
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transform_to_position: false,
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});
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app.add_systems(PreUpdate, position_to_transform);
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2024-03-17 23:04:23 +00:00
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}
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}
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2024-03-31 22:47:03 +00:00
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#[derive(Asset, TypePath, AsBindGroup, Debug, Clone)]
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pub struct RingMaterial {
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alpha_mode: AlphaMode,
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#[uniform(0)]
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ring_radius: f32,
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#[uniform(1)]
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jupiter_radius: f32,
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}
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2024-03-31 22:47:03 +00:00
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impl Material for RingMaterial {
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fn fragment_shader() -> ShaderRef {
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"shaders/jupiters_rings.wgsl".into()
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}
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fn alpha_mode(&self) -> AlphaMode {
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self.alpha_mode
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}
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}
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2024-03-18 21:13:37 +00:00
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#[derive(Component)]
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pub struct Star;
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pub fn setup(
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mut commands: Commands,
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mut meshes: ResMut<Assets<Mesh>>,
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mut materials: ResMut<Assets<StandardMaterial>>,
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mut materials_custom: ResMut<Assets<RingMaterial>>,
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asset_server: Res<AssetServer>,
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) {
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2024-03-18 03:39:26 +00:00
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// Generate a bunch of asteriods
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let maxdist = 4;
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2024-04-01 16:01:51 +00:00
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let pi = PI as f64;
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let player_x: f64 = -300000.0;
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let player_y: f64 = 0.0;
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let player_z: f64 = -500000.0;
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for i in -maxdist..maxdist {
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for j in -maxdist..maxdist {
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for k in -maxdist..maxdist {
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let offset: f64 = 500.0;
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let dist: f64 = 8e3;
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let wobble: f64 = dist/2.0;
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let (i, j, k) = (i as f64, j as f64, k as f64);
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2024-03-19 20:09:20 +00:00
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let asset = match ((i+j+k) as i32) % 2 {
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0 => ASSET_ASTEROID1,
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_ => ASSET_ASTEROID2,
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};
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commands.spawn((
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actor::Actor::default(),
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RigidBody::Dynamic,
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AngularVelocity(DVec3::new(0.1, 0.1, 0.03)),
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LinearVelocity(DVec3::new(0.0, 0.0, 0.35)),
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Collider::sphere(1.0),
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SceneBundle {
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transform: Transform {
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scale: Vec3::splat(ASTEROID_SIZE),
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..default()
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},
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scene: asset_server.load(asset),
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..default()
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},
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Rotation::from(Quat::from_rotation_y(-PI / 3.)),
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Position::from_xyz(
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player_x + offset + dist * i + wobble * (j+k/pi).sin() * (k+j/pi).cos(),
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player_y + offset + dist * j + wobble * (k+i/pi).sin() * (i+k/pi).cos(),
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player_z + offset + dist * k + wobble * (i+j/pi).sin() * (j+i/pi).cos(),
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),
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));
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}
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}
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}
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2024-03-18 21:13:37 +00:00
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// Generate starmap
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2024-03-20 20:03:22 +00:00
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let sphere_handle = meshes.add(Sphere::new(1.0));
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2024-03-21 02:20:44 +00:00
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let mut starcount = 0;
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2024-03-19 02:54:16 +00:00
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for star in nature::STARS {
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2024-03-21 01:11:07 +00:00
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let mag = star[3];
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2024-03-21 02:20:44 +00:00
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if mag > STARS_MAX_MAGNITUDE {
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continue;
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}
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2024-03-21 01:35:16 +00:00
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let scale_color = {|color: f32|
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if mag < -20.0 {
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color * 13.0f32 // Sun
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} else {
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color * (0.0659663 * mag * mag - 1.09862 * mag + 4.3)
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}
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};
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let scale_size = {|mag: f32|
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if mag < -20.0 {
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40000.0f32 // Sun
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} else {
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1000.0 * (0.230299 * mag * mag - 3.09013 * mag + 15.1782)
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2024-03-21 01:11:07 +00:00
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}
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};
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2024-03-18 22:47:03 +00:00
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let (r, g, b) = nature::star_color_index_to_rgb(star[4]);
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let star_color_handle = materials.add(StandardMaterial {
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base_color: Color::rgb(scale_color(r), scale_color(g), scale_color(b)),
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unlit: true,
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..default()
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});
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2024-03-21 01:11:07 +00:00
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let dist = 1e7;
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2024-03-18 21:13:37 +00:00
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commands.spawn((
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Star,
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PbrBundle {
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mesh: sphere_handle.clone(),
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material: star_color_handle.clone(),
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transform: Transform::from_xyz(
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dist * star[0],
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dist * star[1],
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dist * star[2],
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)
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2024-03-21 01:35:16 +00:00
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.with_scale(Vec3::splat(scale_size(mag))),
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2024-03-18 21:13:37 +00:00
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..default()
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}
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));
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2024-03-21 02:20:44 +00:00
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starcount += 1;
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2024-03-18 21:13:37 +00:00
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}
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2024-03-21 02:20:44 +00:00
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info!("Generated {starcount} stars");
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2024-03-17 13:16:25 +00:00
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2024-03-31 22:47:03 +00:00
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// Add shaded ring
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2024-04-01 01:12:59 +00:00
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let ring_radius = 640000.0;
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2024-04-01 00:05:38 +00:00
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let jupiter_radius = 200000.0;
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2024-04-01 15:19:43 +00:00
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commands.spawn((
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MaterialMeshBundle {
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mesh: meshes.add(Mesh::from(Cylinder::new(ring_radius, 1.0))),
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material: materials_custom.add(RingMaterial {
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alpha_mode: AlphaMode::Blend,
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ring_radius: ring_radius,
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jupiter_radius: jupiter_radius,
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}),
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..default()
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},
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2024-04-01 15:55:58 +00:00
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Position::from_xyz(0.0, 0.0, 0.0),
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2024-04-01 15:19:43 +00:00
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Rotation::from(Quat::from_rotation_z(1f32.to_radians())),
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));
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2024-03-16 20:44:51 +00:00
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}
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2024-04-01 03:25:35 +00:00
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fn handle_cheats(
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key_input: Res<ButtonInput<KeyCode>>,
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2024-04-01 15:19:43 +00:00
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mut q_player: Query<(&Transform, &mut Position, &mut LinearVelocity), With<actor::PlayerCamera>>,
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2024-04-01 03:25:35 +00:00
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mut q_life: Query<(&mut actor::LifeForm, ), With<actor::Player>>,
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settings: ResMut<settings::Settings>,
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) {
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if !settings.dev_mode || q_player.is_empty() || q_life.is_empty() {
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return;
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}
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2024-04-01 15:19:43 +00:00
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let (trans, mut pos, mut v) = q_player.get_single_mut().unwrap();
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2024-04-01 03:25:35 +00:00
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let (mut lifeform, ) = q_life.get_single_mut().unwrap();
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if key_input.just_pressed(settings.key_cheat_pizza) {
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2024-04-01 15:19:43 +00:00
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pos.0 = DVec3::new(-3370.0, 0.0, 0.0);
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2024-04-01 03:25:35 +00:00
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}
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if key_input.just_pressed(settings.key_cheat_farview1) {
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2024-04-01 15:19:43 +00:00
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pos.0 = DVec3::new(-800000.0, 800000.0, 0.0);
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2024-04-01 03:25:35 +00:00
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}
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if key_input.just_pressed(settings.key_cheat_farview2) {
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2024-04-01 15:19:43 +00:00
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pos.0 = DVec3::new(800000.0, 400000.0, 0.0);
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2024-04-01 03:25:35 +00:00
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}
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if key_input.just_pressed(settings.key_cheat_stop) {
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2024-04-01 14:29:14 +00:00
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v.0 = DVec3::ZERO;
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2024-04-01 03:25:35 +00:00
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}
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if key_input.pressed(settings.key_cheat_speed) {
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2024-04-01 14:29:14 +00:00
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v.0 += DVec3::from(trans.rotation * Vec3::new(0.0, 0.0, 1000.0));
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2024-04-01 03:25:35 +00:00
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}
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if key_input.pressed(settings.key_cheat_adrenaline_zero) {
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lifeform.adrenaline = 0.0;
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}
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if key_input.pressed(settings.key_cheat_adrenaline_mid) {
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lifeform.adrenaline = 0.5;
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}
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if key_input.pressed(settings.key_cheat_adrenaline_max) {
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lifeform.adrenaline = 1.0;
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}
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}
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2024-04-01 15:19:43 +00:00
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// A variant of bevy_xpbd_3d::plugins::position_to_transform that adjusts
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// the rendering position to center entities at the player camera.
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// This avoids rendering glitches when very far away from the origin.
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pub fn position_to_transform(
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q_player: Query<&Position, With<actor::PlayerCamera>>,
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mut q_trans: Query<(&mut Transform, &Position, &Rotation)>,
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) {
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if let Ok(player_pos) = q_player.get_single() {
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for (mut transform, pos, rot) in &mut q_trans {
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transform.translation = Vec3::new(
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(pos.x - player_pos.x) as f32,
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(pos.y - player_pos.y) as f32,
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(pos.z - player_pos.z) as f32,
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);
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transform.rotation = rot.as_quat();
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}
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}
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}
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