Entity inspector (#42)

* Entity inspector

* Update skills/entity-inspector/src/main.rs

Co-authored-by: Ryan Butler <[email protected]>

* Change author

* Format

---------

Co-authored-by: Ryan Butler <[email protected]>

Cargo.toml

@@ -7,6 +7,7 @@ members = [
 	"skills/manipulation-flatscreen",
 	"skills/openxr-6dof",
 	"skills/xr-ik-mirror",
+	"skills/entity-inspector",
 ]
 
 # These settings will apply to all members of the workspace that opt in to them

skills/entity-inspector/Cargo.toml

@@ -0,0 +1,19 @@
+[package]
+name = "entity-inspector"
+version.workspace = true
+license.workspace = true
+repository.workspace = true
+edition.workspace = true
+rust-version.workspace = true
+publish = false
+
+# Current maintainer(s)
+authors = ["lucas lelievre <[email protected]>"]
+
+[dependencies]
+bevy.workspace = true
+egui.workspace = true
+bevy_egui.workspace = true
+bevy-inspector-egui.workspace = true
+color-eyre.workspace = true
+tracing.workspace = true

skills/entity-inspector/README.md

@@ -0,0 +1,8 @@
+# `entity-inspector`
+
+A entity inspector
+
+To run the code:
+```bash
+cargo run -p entity-inspector
+```

skills/entity-inspector/src/main.rs

@@ -0,0 +1,135 @@
+use bevy::{pbr::DirectionalLightShadowMap, prelude::*, window::PrimaryWindow};
+use bevy_egui::{EguiContext, EguiPlugin};
+use bevy_inspector_egui::{
+	bevy_inspector::hierarchy::SelectedEntities, DefaultInspectorConfigPlugin,
+};
+use color_eyre::eyre::Result;
+use tracing::info;
+
+const ASSET_FOLDER: &str = concat!(env!("CARGO_MANIFEST_DIR"), "/../../assets/");
+
+fn main() -> Result<()> {
+	// Set up nice error messages
+	color_eyre::install()?;
+
+	info!("Running `entity-inspector` skill");
+
+	App::new()
+		.add_plugins(DefaultPlugins.set(AssetPlugin {
+			file_path: ASSET_FOLDER.to_string(),
+			..Default::default()
+		}))
+		.add_plugins(EguiPlugin)
+		.add_plugins(DefaultInspectorConfigPlugin)
+		.add_systems(Startup, setup)
+		.add_systems(Update, animate_light)
+		.add_systems(PostUpdate, inspector_ui)
+		.run();
+
+	Ok(())
+}
+
+fn setup(
+	assets: Res<AssetServer>,
+	mut meshes: ResMut<Assets<Mesh>>,
+	mut materials: ResMut<Assets<StandardMaterial>>,
+	mut commands: Commands,
+) {
+	info!("Running setup system");
+
+	// Load assets
+	let tree_img: Handle<Image> = assets.load("tree.png");
+
+	// Build cube
+	commands.spawn(PbrBundle {
+		mesh: meshes.add(shape::Cube::default().into()),
+		material: materials.add(StandardMaterial {
+			base_color_texture: Some(tree_img),
+			..default()
+		}),
+		..default()
+	});
+
+	// Build the rest of the scene
+	commands.spawn(DirectionalLightBundle {
+		directional_light: DirectionalLight {
+			shadows_enabled: true,
+			illuminance: 10000.,
+			..default()
+		},
+		transform: Transform::from_xyz(8.0, 16.0, 8.0).looking_at(Vec3::ZERO, Vec3::Y),
+		..default()
+	});
+	commands.insert_resource(DirectionalLightShadowMap { size: 4096 });
+	commands.spawn(Camera3dBundle {
+		transform: Transform::from_xyz(0.0, 6., 12.0)
+			.looking_at(Vec3::new(0., 1., 0.), Vec3::Y),
+		..default()
+	});
+	commands.spawn(PbrBundle {
+		mesh: meshes.add(
+			shape::Plane {
+				size: 10.,
+				subdivisions: 4,
+			}
+			.into(),
+		),
+		material: materials.add(Color::MIDNIGHT_BLUE.into()),
+		transform: Transform::from_xyz(0., 0., 0.),
+		..default()
+	});
+}
+
+fn animate_light(mut query: Query<&mut Transform, With<DirectionalLight>>) {
+	for mut t in query.iter_mut() {
+		let t: &mut Transform = &mut t;
+		t.rotate_y(0.01);
+	}
+}
+
+fn inspector_ui(world: &mut World, mut selected_entities: Local<SelectedEntities>) {
+	let mut egui_context = world
+		.query_filtered::<&mut EguiContext, With<PrimaryWindow>>()
+		.single(world)
+		.clone();
+
+	egui::SidePanel::left("hierarchy")
+		.default_width(200.0)
+		.show(egui_context.get_mut(), |ui| {
+			egui::ScrollArea::vertical().show(ui, |ui| {
+				ui.heading("Hierarchy");
+
+				bevy_inspector_egui::bevy_inspector::hierarchy::hierarchy_ui(
+					world,
+					ui,
+					&mut selected_entities,
+				);
+
+				ui.label("Press escape to toggle UI");
+				ui.allocate_space(ui.available_size());
+			});
+		});
+
+	egui::SidePanel::right("inspector")
+		.default_width(250.0)
+		.show(egui_context.get_mut(), |ui| {
+			egui::ScrollArea::vertical().show(ui, |ui| {
+				ui.heading("Inspector");
+
+				match selected_entities.as_slice() {
+					&[entity] => {
+						bevy_inspector_egui::bevy_inspector::ui_for_entity(
+							world, entity, ui,
+						);
+					}
+					entities => {
+						bevy_inspector_egui::bevy_inspector::ui_for_entities_shared_components(
+							world, entities, ui,
+						);
+					}
+				}
+
+				ui.allocate_space(ui.available_size());
+			});
+		});
+}