Patched app_grid

examples/app_grid.rs

@@ -1,18 +1,28 @@
 use color_eyre::eyre::Result;
+use glam::Quat;
 use manifest_dir_macros::directory_relative_path;
 use mint::Vector3;
 use protostar::{
+	application::Application,
 	protostar::ProtoStar,
-	xdg::{get_desktop_files, parse_desktop_file, DesktopFile},
+	xdg::{get_desktop_files, parse_desktop_file, DesktopFile, Icon, IconType},
 };
 use stardust_xr_fusion::{
 	client::{Client, FrameInfo, RootHandler},
+	core::values::Transform,
+	drawable::{Alignment, Bounds, MaterialParameter, Model, ResourceID, Text, TextFit, TextStyle},
+	fields::BoxField,
+	node::NodeType,
 	spatial::Spatial,
 };
+use stardust_xr_molecules::{GrabData, Grabbable};
+use std::f32::consts::PI;
+use tween::{QuartInOut, Tweener};
 
 const APP_LIMIT: usize = 300;
 const APP_SIZE: f32 = 0.05;
 const GRID_PADDING: f32 = 0.01;
+const ACTIVATION_DISTANCE: f32 = 0.5;
 
 #[tokio::main(flavor = "current_thread")]
 async fn main() -> Result<()> {
@@ -46,7 +56,7 @@ impl AppGrid {
 			.enumerate()
 			.filter(|(i, _)| *i <= APP_LIMIT)
 			.filter_map(|(i, a)| {
-				App::new(
+				App::create_from_desktop_file(
 					client.get_root(),
 					[
 						(i % 10) as f32 * (APP_SIZE + GRID_PADDING),
@@ -56,6 +66,7 @@ impl AppGrid {
 					a,
 					//style,
 				)
+				.ok()
 			})
 			.collect::<Vec<_>>();
 		AppGrid { apps }
@@ -68,28 +79,171 @@ impl RootHandler for AppGrid {
 		}
 	}
 }
-struct App {
+
-	_desktop_file: DesktopFile,
+fn model_from_icon(parent: &Spatial, icon: &Icon) -> Result<Model> {
-	protostar: ProtoStar,
+	return match &icon.icon_type {
+		IconType::Png => {
+			let t = Transform::from_rotation_scale(
+				Quat::from_rotation_x(PI / 2.0) * Quat::from_rotation_y(PI),
+				[APP_SIZE * 0.5; 3],
+			);
+
+			let model = Model::create(
+				parent,
+				t,
+				&ResourceID::new_namespaced("protostar", "hexagon/hexagon"),
+			)?;
+			model
+				.model_part("Hex")?
+				.set_material_parameter("color", MaterialParameter::Color([0.0, 1.0, 1.0, 1.0]))?;
+			model.model_part("Icon")?.set_material_parameter(
+				"diffuse",
+				MaterialParameter::Texture(ResourceID::Direct(icon.path.clone())),
+			)?;
+			Ok(model)
+		}
+		IconType::Gltf => Ok(Model::create(
+			parent,
+			Transform::from_scale([0.05; 3]),
+			&ResourceID::new_direct(icon.path.clone())?,
+		)?),
+		_ => panic!("Invalid Icon Type"),
+	};
 }
 
+pub struct App {
+	application: Application,
+	parent: Spatial,
+	position: Vector3<f32>,
+	grabbable: Grabbable,
+	_field: BoxField,
+	icon: Model,
+	label: Option<Text>,
+	grabbable_move: Option<Tweener<f32, f64, QuartInOut>>,
+}
 impl App {
-	fn new(
+	pub fn create_from_desktop_file(
 		parent: &Spatial,
 		position: impl Into<Vector3<f32>>,
 		desktop_file: DesktopFile,
-	) -> Option<Self> {
+	) -> Result<Self> {
 		let position = position.into();
-		let protostar =
+		let field = BoxField::create(parent, Transform::default(), [APP_SIZE; 3])?;
-			ProtoStar::create_from_desktop_file(parent, position, desktop_file.clone()).ok()?;
+		let application = Application::create(&parent.client()?, desktop_file)?;
-		Some(App {
+		let icon = application.icon(128, false);
-			_desktop_file: desktop_file,
+		let grabbable = Grabbable::create(
-			protostar,
+			parent,
+			Transform::from_position(position),
+			&field,
+			GrabData {
+				max_distance: 0.01,
+				frame_cancel_threshold: 50,
+				..Default::default()
+			},
+		)?;
+		grabbable.content_parent().set_spatial_parent(parent)?;
+		field.set_spatial_parent(grabbable.content_parent())?;
+		let icon = icon
+			.map(|i| model_from_icon(grabbable.content_parent(), &i))
+			.unwrap_or_else(|| {
+				Ok(Model::create(
+					grabbable.content_parent(),
+					Transform::from_rotation_scale(
+						Quat::from_rotation_x(PI / 2.0) * Quat::from_rotation_y(PI),
+						[APP_SIZE * 0.5; 3],
+					),
+					&ResourceID::new_namespaced("protostar", "hexagon/hexagon"),
+				)?)
+			})?;
+
+		let label_style = TextStyle {
+			character_height: APP_SIZE * 2.0,
+			bounds: Some(Bounds {
+				bounds: [1.0; 2].into(),
+				fit: TextFit::Wrap,
+				bounds_align: Alignment::XCenter | Alignment::YCenter,
+			}),
+			text_align: Alignment::Center.into(),
+			..Default::default()
+		};
+		let label = application.name().and_then(|name| {
+			Text::create(
+				&icon,
+				Transform::from_position_rotation(
+					[0.0, 0.1, -(APP_SIZE * 4.0)],
+					Quat::from_rotation_x(PI * 0.5),
+				),
+				name,
+				label_style,
+			)
+			.ok()
+		});
+		Ok(App {
+			parent: parent.alias(),
+			position,
+			grabbable,
+			_field: field,
+			label,
+			application,
+			icon,
+			grabbable_move: None,
 		})
 	}
+	pub fn content_parent(&self) -> &Spatial {
+		self.grabbable.content_parent()
+	}
 }
 impl RootHandler for App {
 	fn frame(&mut self, info: FrameInfo) {
-		self.protostar.frame(info);
+		let _ = self.grabbable.update(&info);
+
+		if let Some(grabbable_move) = &mut self.grabbable_move {
+			if !grabbable_move.is_finished() {
+				let scale = grabbable_move.move_by(info.delta);
+				self.grabbable
+					.content_parent()
+					.set_position(
+						Some(&self.parent),
+						[
+							self.position.x * scale,
+							self.position.y * scale,
+							self.position.z * scale,
+						],
+					)
+					.unwrap();
+			} else {
+				if grabbable_move.final_value() == 0.0001 {
+					self.icon.set_enabled(false).unwrap();
+					self.label.as_ref().map(|l| l.set_enabled(false).unwrap());
+				}
+				self.grabbable_move = None;
+			}
+		} else if self.grabbable.valid() && self.grabbable.grab_action().actor_stopped() {
+			self.grabbable.cancel_angular_velocity();
+			self.grabbable.cancel_linear_velocity();
+			self.grabbable
+				.content_parent()
+				.set_position(Some(&self.parent), self.position)
+				.unwrap();
+
+			let Ok(distance_future) = self.grabbable
+				.content_parent()
+				.get_position_rotation_scale(&self.parent)
+				 else {return};
+
+			let application = self.application.clone();
+			let space = self.content_parent().alias();
+
+			//TODO: split the executable string for the args
+			tokio::task::spawn(async move {
+				let distance_vector = distance_future.await.ok().unwrap().0;
+				let distance = ((distance_vector.x.powi(2) + distance_vector.y.powi(2)).sqrt()
+					+ distance_vector.z.powi(2))
+				.sqrt();
+				if dbg!(distance) > ACTIVATION_DISTANCE {
+					let _ = application.launch(&space);
+				}
+			});
+		}
 	}
 }