refactor: begin conversion to bevy, do proper frame wait

Signed-off-by: Schmarni <marnistromer@gmail.com>

Cargo.toml

@@ -21,11 +21,10 @@ name = "stardust-xr-server"
 path = "src/main.rs"
 
 [features]
-default = ["wayland"]
+# default = ["wayland"]
-wayland = ["dep:smithay", "dep:wayland-scanner", "dep:wayland-backend"]
+# wayland = ["dep:smithay"]
 profile_tokio = ["dep:console-subscriber", "tokio/tracing"]
 profile_app = ["dep:tracing-tracy"]
-local_deps = ["stereokit-rust/force-local-deps"]
 
 [package.metadata.appimage]
 auto_link = true
@@ -38,22 +37,12 @@ auto_link_exclude_list = [
 	"libEGL*",
 ]
 
-[profile.dev.package."*"]
-opt-level = 3
-debug = true
-strip = false
-debug-assertions = true
-overflow-checks = true
-
-[profile.release]
-opt-level = 3
-debug = "line-tables-only"
-strip = true
-debug-assertions = true
-overflow-checks = false
-lto = "thin"
-
 [dependencies]
+bevy = { version = "0.15", features = ["wayland"] }
+bevy_mod_xr = { git = "https://github.com/Schmarni-Dev/bevy_openxr", branch = "0.15rc" }
+bevy_mod_openxr = { git = "https://github.com/Schmarni-Dev/bevy_openxr", branch = "0.15rc" }
+bevy_xr_utils = { git = "https://github.com/Schmarni-Dev/bevy_openxr", branch = "0.15rc" }
+openxr = "0.19"
 # small utility thingys
 once_cell = "1.19.0"
 nanoid = "0.4.0"
@@ -92,28 +81,24 @@ input-event-codes = "6.2.0"
 zbus = { version = "5.0.0", default-features = false, features = ["tokio"] }
 directories = "5.0.1"
 xkbcommon-rs = "0.1.0"
-
-# wayland
-wayland-backend = { version = "0.3.7", optional = true, default-features = false }
-wayland-scanner = { version = "0.31.4", optional = true }
 thiserror = "2.0.9"
-
+# wayland-scanner = "0.31.2"
-[dependencies.smithay]
+# wayland-backend = "0.3.4"
-# git = "https://github.com/technobaboo/smithay.git"
+#
-# git = "https://github.com/colinmarc/smithay.git"
+# [dependencies.smithay]
-git = "https://github.com/smithay/smithay.git"
+# # git = "https://github.com/technobaboo/smithay.git"
-# path = "../smithay"
+# # git = "https://github.com/colinmarc/smithay.git"
-default-features = false
+# git = "https://github.com/smithay/smithay.git"
-features = ["desktop", "backend_drm", "renderer_gl", "wayland_frontend"]
+# # path = "../smithay"
-optional = true
+# default-features = false
-
+# features = [
-
+#     "desktop",
-[dependencies.stereokit-rust]
+#     "backend_drm",
-# path = "../StereoKit-rust"
+#     "backend_egl",
-git = "https://github.com/mvvvv/StereoKit-rust.git"
+#     "renderer_gl",
-# git = "https://github.com/technobaboo/StereoKit-rust.git"
+#     "wayland_frontend",
-features = ["no-event-loop"]
+# ]
-default-features = false
+# optional = true
 
 [dependencies.stardust-xr]
 workspace = true

src/bevy_plugin.rs

@@ -0,0 +1,58 @@
+use std::ops::Deref as _;
+
+use bevy::{
+	app::MainScheduleOrder, asset::embedded_asset, ecs::schedule::ScheduleLabel, prelude::*,
+};
+use bevy_mod_openxr::session::OxrSession;
+use bevy_mod_xr::session::{session_available, XrSessionCreated};
+use openxr::ReferenceSpaceType;
+
+use crate::objects::Inputs;
+
+pub struct StardustBevyPlugin;
+
+impl Plugin for StardustBevyPlugin {
+	fn build(&self, app: &mut App) {
+		app.init_schedule(StardustExtract);
+		let labels = &mut app.world_mut().resource_mut::<MainScheduleOrder>().labels;
+		info!("test: {labels:?}");
+		labels.insert(labels.len() - 2, StardustExtract.intern());
+		app.add_systems(Startup, spawn_camera.run_if(not(session_available)));
+		app.add_systems(XrSessionCreated, make_view_space);
+		embedded_asset!(app, "src/objects/input", "objects/input/cursor.glb");
+	}
+}
+
+fn make_view_space(mut cmds: Commands, session: Res<OxrSession>) {
+	// idk what errors this function returns
+	let view_space = session
+		.create_reference_space(ReferenceSpaceType::VIEW, Transform::IDENTITY)
+		.unwrap();
+	// this locates the view space against the default reference space (stage i belive) and sets
+	// the transform relative to the XrTrackingRoot
+	cmds.spawn((view_space.0, ViewLocation));
+}
+
+fn spawn_camera(mut cmds: Commands) {
+	cmds.spawn((Camera3d::default(), ViewLocation));
+}
+
+#[derive(Deref, DerefMut, Resource)]
+pub struct BevyToStardustEvents(pub Vec<BevyToStardustEvent>);
+pub enum BevyToStardustEvent {
+	InputsCreated(Inputs),
+	SessionDestroyed,
+	SessionEnding,
+	SessionCreated(OxrSession),
+	MainSessionVisible(bool),
+}
+
+#[derive(ScheduleLabel, Hash, Debug, Clone, Copy, PartialEq, Eq)]
+pub struct StardustExtract;
+#[derive(Component, Hash, Debug, Clone, Copy, PartialEq, Eq)]
+pub struct TemporaryEntity;
+#[derive(Component, Hash, Debug, Clone, Copy, PartialEq, Eq)]
+#[require(GlobalTransform)]
+pub struct ViewLocation;
+#[derive(Hash, Debug, Clone, Copy, PartialEq, Eq, Deref)]
+pub struct MainWorldEntity(Entity);

src/main.rs

@@ -1,7 +1,9 @@
 #![allow(clippy::empty_docs)]
+pub mod bevy_plugin;
 mod core;
 mod nodes;
 mod objects;
+pub mod oxr_render_plugin;
 mod session;
 #[cfg(feature = "wayland")]
 mod wayland;
@@ -10,27 +12,43 @@ use crate::core::destroy_queue;
 use crate::nodes::items::camera;
 use crate::nodes::{audio, drawable, input};
 
+use bevy::app::{App, Startup, Update};
+use bevy::asset::{AssetServer, Handle};
+use bevy::core_pipeline::Skybox;
+use bevy::image::Image;
+use bevy::pbr::StandardMaterial;
+use bevy::prelude::{
+	on_event, resource_added, Camera3d, ClearColor, Commands, Entity, EventReader,
+	IntoSystemConfigs, Local, Query, Res, Resource, With,
+};
+use bevy::render::pipelined_rendering::PipelinedRenderingPlugin;
+use bevy::time::Time;
+use bevy::DefaultPlugins;
+use bevy_mod_openxr::add_xr_plugins;
+use bevy_mod_openxr::exts::OxrExtensions;
+use bevy_mod_openxr::features::overlay::{OxrOverlaySessionEvent, OxrOverlaySettings};
+use bevy_mod_openxr::init::{should_run_frame_loop, OxrInitPlugin};
+use bevy_mod_openxr::render::{update_cameras, OxrRenderPlugin};
+use bevy_mod_openxr::resources::{OxrFrameState, OxrFrameWaiter, OxrGraphicsInfo};
+use bevy_mod_openxr::session::OxrSession;
+use bevy_mod_openxr::types::{AppInfo, Version};
+use bevy_mod_xr::session::{XrFirst, XrSessionCreated, XrSessionPlugin};
+use bevy_plugin::StardustBevyPlugin;
 use clap::Parser;
 use core::client::Client;
 use core::task;
 use directories::ProjectDirs;
+use nodes::drawable::lines::BevyLinesPlugin;
 use objects::ServerObjects;
 use once_cell::sync::OnceCell;
+use openxr::OverlaySessionCreateFlagsEXTX;
+use oxr_render_plugin::StardustOxrRenderPlugin;
 use session::{launch_start, save_session};
 use stardust_xr::schemas::dbus::object_registry::ObjectRegistry;
 use stardust_xr::server;
 use std::path::PathBuf;
 use std::sync::Arc;
 use std::time::Duration;
-use stereokit_rust::material::Material;
-use stereokit_rust::shader::Shader;
-use stereokit_rust::sk::{
-	sk_quit, AppMode, DepthMode, DisplayBlend, OriginMode, QuitReason, SkSettings,
-};
-use stereokit_rust::system::{Handed, Input, LogLevel, Renderer};
-use stereokit_rust::tex::{SHCubemap, Tex, TexFormat, TexType};
-use stereokit_rust::ui::Ui;
-use stereokit_rust::util::{Color128, Time};
 use tokio::net::UnixListener;
 use tokio::sync::Notify;
 use tracing::metadata::LevelFilter;
@@ -39,6 +57,8 @@ use tracing_subscriber::{fmt, prelude::*, EnvFilter};
 use zbus::fdo::ObjectManager;
 use zbus::Connection;
 
+pub type DefaultMaterial = StandardMaterial;
+
 #[derive(Debug, Clone, Parser)]
 #[clap(author, version, about, long_about = None)]
 struct CliArgs {
@@ -168,7 +188,7 @@ async fn main() {
 
 	tokio::select! {
 		_ = stereokit_loop => (),
-		_ = tokio::signal::ctrl_c() => unsafe {sk_quit(QuitReason::SystemClose)},
+		_ = tokio::signal::ctrl_c() => {},
 	}
 	info!("Stopping...");
 	if let Some(project_dirs) = project_dirs {
@@ -188,63 +208,89 @@ fn stereokit_loop(
 	dbus_connection: Connection,
 	object_registry: ObjectRegistry,
 ) {
-	let sk = SkSettings::default()
+	let mut bevy_app = App::new();
-		.app_name("Stardust XR")
+	let base = DefaultPlugins::build(DefaultPlugins).disable::<PipelinedRenderingPlugin>();
-		.blend_preference(DisplayBlend::AnyTransparent)
+	if args.flatscreen {
-		.mode(if args.flatscreen {
+		bevy_app.add_plugins(base);
-			AppMode::Simulator
 	} else {
-			AppMode::XR
+		bevy_app.add_plugins(
+			add_xr_plugins(base)
+				.set(OxrInitPlugin {
+					app_info: AppInfo {
+						name: "Stardust XR".into(),
+						version: Version(0, 44, 1),
+					},
+					exts: {
+						let mut exts = OxrExtensions::default();
+						exts.enable_hand_tracking();
+						if args.overlay_priority.is_some() {
+							exts.enable_extx_overlay();
+						}
+						exts
+					},
+					blend_modes: Some(vec![
+						openxr::EnvironmentBlendMode::ALPHA_BLEND,
+						openxr::EnvironmentBlendMode::OPAQUE,
+					]),
+					synchronous_pipeline_compilation: false,
+					..Default::default()
 				})
-		.depth_mode(DepthMode::D32)
+				.disable::<OxrRenderPlugin>()
-		.log_filter(match EnvFilter::from_default_env().max_level_hint() {
+				.add_after::<XrSessionPlugin>(StardustOxrRenderPlugin),
-			Some(LevelFilter::ERROR) => LogLevel::Error,
+		);
-			Some(LevelFilter::WARN) => LogLevel::Warning,
+		if let Some(priority) = args.overlay_priority {
-			Some(LevelFilter::INFO) => LogLevel::Inform,
+			bevy_app.insert_resource(OxrOverlaySettings {
-			Some(LevelFilter::DEBUG) => LogLevel::Diagnostic,
+				session_layer_placement: priority,
-			Some(LevelFilter::TRACE) => LogLevel::Diagnostic,
+				flags: OverlaySessionCreateFlagsEXTX::EMPTY,
-			Some(LevelFilter::OFF) => LogLevel::None,
+			});
-			None => LogLevel::Warning,
+		}
-		})
+	}
-		.overlay_app(args.overlay_priority.is_some())
+	bevy_app.add_plugins(StardustBevyPlugin);
-		.overlay_priority(args.overlay_priority.unwrap_or(u32::MAX))
+	bevy_app.add_plugins(BevyLinesPlugin);
-		.disable_desktop_input_window(true)
+	#[derive(Resource)]
-		.origin(OriginMode::Local)
+	struct SkyTexture(Handle<Image>);
-		.init()
-		.expect("StereoKit failed to initialize");
-	info!("Init StereoKit");
-
-	Renderer::multisample(0);
-	Material::default().shader(Shader::pbr_clip());
-	Ui::enable_far_interact(false);
-
-	let left_hand_material = Material::find("default/material_hand").unwrap();
-	let mut right_hand_material = left_hand_material.copy();
-	right_hand_material.id("right_hand");
-	Input::hand_material(Handed::Right, Some(Material::find("right_hand").unwrap()));
-
-	Input::hand_visible(Handed::Left, false);
-	Input::hand_visible(Handed::Right, false);
-
 	// Skytex/light stuff
-	{
+	bevy_app.add_systems(Startup, |assests: Res<AssetServer>, mut cmds: Commands| {
 		if let Some(sky) = project_dirs
 			.as_ref()
 			.map(|dirs| dirs.config_dir().join("skytex.hdr"))
 			.filter(|f| f.exists())
-			.and_then(|p| SHCubemap::from_cubemap(p, true, 100).ok())
+			.map(|p| assests.load(p))
 		{
-			sky.render_as_sky();
+			cmds.insert_resource(SkyTexture(sky));
-		} else {
-			Renderer::skytex(Tex::gen_color(
-				Color128::BLACK,
-				1,
-				1,
-				TexType::Cubemap,
-				TexFormat::RGBA32,
-			));
 		}
+	});
+	#[derive(Resource)]
+	struct RenderBackground(bool);
+	fn update_background(
+		graphics_info: Res<OxrGraphicsInfo>,
+		mut overlay_events: EventReader<OxrOverlaySessionEvent>,
+		mut last_hidden: Local<bool>,
+		cams: Query<Entity, With<Camera3d>>,
+		mut cmds: Commands,
+	) {
+		let env_hidden = graphics_info.blend_mode != openxr::EnvironmentBlendMode::OPAQUE
+			&& overlay_events
+				.read()
+				.last()
+				.map(
+					|OxrOverlaySessionEvent::MainSessionVisibilityChanged { visible, flags: _ }| {
+						*visible
+					},
+				)
+				.unwrap_or(true);
+		if env_hidden && !*last_hidden {
+			cams.iter().for_each(|e| {
+				cmds.entity(e).remove::<Skybox>();
+			});
 		}
+		*last_hidden = env_hidden;
+	}
+	bevy_app.add_systems(XrSessionCreated, update_background);
+	bevy_app.add_systems(
+		Update,
+		update_background.run_if(on_event::<OxrOverlaySessionEvent>),
+	);
 
 	#[cfg(feature = "wayland")]
 	let mut wayland = wayland::Wayland::new().expect("Could not initialize wayland");
@@ -253,61 +299,49 @@ fn stereokit_loop(
 	sk_ready_notifier.notify_waiters();
 	info!("Stardust ready!");
 
-	let mut objects = ServerObjects::new(
+	let mut objects = ServerObjects::new(dbus_connection.clone());
-		dbus_connection.clone(),
-		&sk,
-		[left_hand_material, right_hand_material],
-		args.disable_controllers,
-		args.disable_hands,
-	);
 
 	let mut last_frame_delta = Duration::ZERO;
 	let mut sleep_duration = Duration::ZERO;
-	while let Some(token) = sk.step() {
+	debug_span!("bevy").in_scope(|| loop {
-		let _span = debug_span!("StereoKit step");
+		let _span = debug_span!("Bevy step");
 		let _span = _span.enter();
 
-		camera::update(token);
+		// camera::update(token);
 		#[cfg(feature = "wayland")]
 		wayland.frame_event();
 		destroy_queue::clear();
 
-		objects.update(&sk, token, &dbus_connection, &object_registry);
+		let world = bevy_app.world_mut();
+		let session = world.remove_resource::<OxrSession>();
+		let time = world.get_resource::<OxrFrameState>().map(|s| {
+			openxr::Time::from_nanos(
+				s.predicted_display_time.as_nanos() + s.predicted_display_period.as_nanos(),
+			)
+		});
+		objects.update(session.as_deref(), time);
 		input::process_input();
-		nodes::root::Root::send_frame_events(Time::get_step_unscaled());
+		nodes::root::Root::send_frame_events(world.resource::<Time>().delta_secs_f64());
-		adaptive_sleep(
+		world.run_schedule(XrFirst);
-			&mut last_frame_delta,
+		if world
-			&mut sleep_duration,
+			.run_system_cached(should_run_frame_loop)
-			Duration::from_micros(250),
+			.unwrap_or(true)
-		);
+		{
-
+			let waiter = world.remove_resource::<OxrFrameWaiter>().unwrap();
+			let state = waiter.wait().unwrap();
+			world.insert_resource(OxrFrameState(state));
+			world.run_system_cached(update_cameras);
+		}
 		#[cfg(feature = "wayland")]
 		wayland.update();
 		drawable::draw(token);
+		bevy_app.update();
+		if let Some(exit) = bevy_app.should_exit() {
+			break;
+		}
 		audio::update();
-	}
-
-	info!("Cleanly shut down StereoKit");
-}
-
-fn adaptive_sleep(
-	last_frame_delta: &mut Duration,
-	sleep_duration: &mut Duration,
-	sleep_duration_increase: Duration,
-) {
-	let frame_delta = Duration::from_secs_f64(Time::get_step_unscaled());
-	if *last_frame_delta < frame_delta {
-		if let Some(frame_delta_delta) = frame_delta.checked_sub(*last_frame_delta) {
-			if let Some(new_sleep_duration) = sleep_duration.checked_sub(frame_delta_delta) {
-				*sleep_duration = new_sleep_duration;
-			}
-		}
-	} else {
-		*sleep_duration += sleep_duration_increase;
-	}
-
-	debug_span!("Sleep", ?sleep_duration, ?frame_delta, ?last_frame_delta).in_scope(|| {
-		*last_frame_delta = frame_delta;
-		std::thread::sleep(*sleep_duration); // to give clients a chance to even update anything before drawing
 	});
+
+	#[cfg(feature = "wayland")]
+	drop(wayland);
 }

src/nodes/drawable/lines.rs

@@ -1,15 +1,29 @@
 use super::{Line, LinesAspect};
 use crate::{
-	core::{client::Client, error::Result, registry::Registry},
+	bevy_plugin::{StardustExtract, TemporaryEntity, ViewLocation},
+	core::{client::Client, registry::Registry},
 	nodes::{spatial::Spatial, Node},
 };
-use glam::Vec3;
+use bevy::{
+	app::Plugin,
+	asset::{Asset, Assets, RenderAssetUsages},
+	color::{Color, ColorToComponents, Srgba},
+	math::{bounding::Aabb3d, Isometry3d},
+	pbr::{MaterialExtension, MeshMaterial3d, StandardMaterial},
+	prelude::{
+		AlphaMode, Commands, GlobalTransform, Mesh, Mesh3d, ResMut, Single, Transform, With,
+	},
+	reflect::Reflect,
+	render::{
+		primitives::Aabb,
+		render_resource::{AsBindGroup, ShaderRef},
+	},
+};
+use color_eyre::eyre::Result;
+use glam::{Vec3, Vec3A};
 use parking_lot::Mutex;
 use prisma::Lerp;
 use std::{collections::VecDeque, sync::Arc};
-use stereokit_rust::{
-	maths::Bounds, sk::MainThreadToken, system::LinePoint as SkLinePoint, util::Color128,
-};
 
 static LINES_REGISTRY: Registry<Lines> = Registry::new();
 
@@ -24,15 +38,18 @@ impl Lines {
 			.unwrap()
 			.bounding_box_calc
 			.set(|node| {
-				let mut bounds = Bounds::default();
 				if let Ok(lines) = node.get_aspect::<Lines>() {
-					for line in &*lines.data.lock() {
+					return Aabb3d::from_point_cloud(
-						for point in &line.points {
+						Isometry3d::IDENTITY,
-							bounds.grown_point(Vec3::from(point.point));
+						lines
+							.data
+							.lock()
+							.iter()
+							.flat_map(|line| line.points.iter())
+							.map(|point| Vec3A::from(point.point)),
+					);
 				}
-					}
+				Aabb3d::new(Vec3A::ZERO, Vec3A::ZERO)
-				}
-				bounds
 			});
 
 		let lines = LINES_REGISTRY.add(Lines {
@@ -44,30 +61,33 @@ impl Lines {
 		Ok(lines)
 	}
 
-	fn draw(&self, token: &MainThreadToken) {
+	fn draw(&self, mesh: &mut Mesh, view: &GlobalTransform) -> Transform {
 		let transform_mat = self.space.global_transform();
 		let data = self.data.lock().clone();
+		let global_to_view = view.compute_matrix().inverse();
+		let local_to_view = transform_mat.inverse() * global_to_view;
+		let view_to_local = local_to_view.inverse();
 		for line in &data {
-			let mut points: VecDeque<SkLinePoint> = line
+			let mut points: VecDeque<BevyLinePoint> = line
 				.points
 				.iter()
-				.map(|p| SkLinePoint {
+				.map(|p| BevyLinePoint {
 					pt: transform_mat.transform_point3(Vec3::from(p.point)).into(),
 					thickness: p.thickness,
-					color: Color128::new(p.color.c.r, p.color.c.g, p.color.c.b, p.color.a).into(),
+					color: Srgba::new(p.color.c.r, p.color.c.g, p.color.c.b, p.color.a).into(),
 				})
 				.collect();
 			if line.cyclic && !points.is_empty() {
 				let first = line.points.first().unwrap();
 				let last = line.points.last().unwrap();
 
-				let color = Color128 {
+				let color = Srgba {
-					r: first.color.c.r.lerp(&last.color.c.r, 0.5),
+					red: first.color.c.r.lerp(&last.color.c.r, 0.5),
-					g: first.color.c.g.lerp(&last.color.c.g, 0.5),
+					green: first.color.c.g.lerp(&last.color.c.g, 0.5),
-					b: first.color.c.b.lerp(&last.color.c.b, 0.5),
+					blue: first.color.c.b.lerp(&last.color.c.b, 0.5),
-					a: first.color.a.lerp(&last.color.a, 0.5),
+					alpha: first.color.a.lerp(&last.color.a, 0.5),
 				};
-				let connect_point = SkLinePoint {
+				let connect_point = BevyLinePoint {
 					pt: transform_mat
 						.transform_point3(Vec3::from(first.point).lerp(Vec3::from(last.point), 0.5))
 						.into(),
@@ -77,9 +97,54 @@ impl Lines {
 				points.push_front(connect_point);
 				points.push_back(connect_point);
 			}
-			stereokit_rust::system::Lines::add_list(token, points.make_contiguous());
+			let mut last_points: Option<(Vec3A, Vec3, Srgba)> = None;
+			let mut vertecies: Vec<[f32; 3]> = Vec::new();
+			let mut colors: Vec<[f32; 4]> = Vec::new();
+			let mut normals: Vec<[f32; 3]> = Vec::new();
+			for point in points.into_iter() {
+				let pt_view = local_to_view.transform_point3a(point.pt.into());
+				let point1_view = pt_view + (Vec3A::Y * (point.thickness / 2.0));
+				let point2_view = pt_view + (Vec3A::NEG_Y * (point.thickness / 2.0));
+				let point1 = view_to_local.transform_point3a(point1_view);
+				let point2 = view_to_local.transform_point3a(point2_view);
+				if let Some((last1, last2, last_color)) = last_points.take() {
+					let normal = view_to_local.transform_vector3a(Vec3A::Z).to_array();
+					for _ in 0..6 {
+						normals.push(normal);
+					}
+					vertecies.push(last1.to_array());
+					vertecies.push(point1.to_array());
+					vertecies.push(last2.to_array());
+
+					vertecies.push(last2.to_array());
+					vertecies.push(point1.to_array());
+					vertecies.push(point2.to_array());
+
+					colors.push(last_color.to_f32_array());
+					colors.push(point.color.to_f32_array());
+					colors.push(last_color.to_f32_array());
+
+					colors.push(last_color.to_f32_array());
+					colors.push(point.color.to_f32_array());
+					colors.push(point.color.to_f32_array());
 				}
 			}
+
+			mesh.insert_attribute(Mesh::ATTRIBUTE_POSITION, vertecies);
+			mesh.insert_attribute(Mesh::ATTRIBUTE_COLOR, colors);
+			mesh.insert_attribute(Mesh::ATTRIBUTE_NORMAL, normals);
+		}
+		GlobalTransform::from(transform_mat).into()
+	}
+}
+#[derive(Clone, Copy)]
+struct BevyLinePoint {
+	pt: Vec3,
+	color: Srgba,
+	thickness: f32,
+}
+impl Aspect for Lines {
+	const NAME: &'static str = "Lines";
 }
 impl LinesAspect for Lines {
 	fn set_lines(node: Arc<Node>, _calling_client: Arc<Client>, lines: Vec<Line>) -> Result<()> {
@@ -94,12 +159,42 @@ impl Drop for Lines {
 	}
 }
 
-pub fn draw_all(token: &MainThreadToken) {
+pub fn draw_all(
+	mut meshes: ResMut<Assets<Mesh>>,
+	mut materials: ResMut<Assets<StandardMaterial>>,
+	mut cmds: Commands,
+	hmd: Single<&GlobalTransform, With<ViewLocation>>,
+) {
+	let material = StandardMaterial {
+		base_color: Color::WHITE,
+		alpha_mode: AlphaMode::Blend,
+		..Default::default()
+	};
+	let mat_handle = materials.add(material);
 	for lines in LINES_REGISTRY.get_valid_contents() {
 		if let Some(node) = lines.space.node() {
 			if node.enabled() {
-				lines.draw(token);
+				// Does this rebuild the mesh every frame? yes, is this problematic? probably,
+				// would a shader work better? yes, do i care? not right now
+				let mut mesh = Mesh::new(
+					bevy::render::mesh::PrimitiveTopology::TriangleList,
+					RenderAssetUsages::RENDER_WORLD,
+				);
+				let transform = lines.draw(&mut mesh, &hmd);
+				let mesh_handle = meshes.add(mesh);
+				cmds.spawn((
+					Mesh3d(mesh_handle),
+					MeshMaterial3d(mat_handle.clone()),
+					TemporaryEntity,
+					transform,
+				));
 			}
 		}
 	}
 }
+pub struct BevyLinesPlugin;
+impl Plugin for BevyLinesPlugin {
+	fn build(&self, app: &mut bevy::prelude::App) {
+		app.add_systems(StardustExtract, draw_all);
+	}
+}

src/nodes/drawable/mod.rs

@@ -17,7 +17,6 @@ use model::ModelPart;
 use parking_lot::Mutex;
 use stardust_xr::values::ResourceID;
 use std::{ffi::OsStr, path::PathBuf, sync::Arc};
-use stereokit_rust::{sk::MainThreadToken, system::Renderer, tex::SHCubemap};
 
 // #[instrument(level = "debug", skip(sk))]
 pub fn draw(token: &MainThreadToken) {

src/nodes/drawable/model.rs

@@ -6,122 +6,117 @@ use crate::core::registry::Registry;
 use crate::core::resource::get_resource_file;
 use crate::nodes::alias::{Alias, AliasList};
 use crate::nodes::spatial::Spatial;
-use crate::nodes::Node;
+use crate::nodes::{Aspect, Node};
+use crate::DefaultMaterial;
+use bevy::app::Plugin;
+use bevy::asset::Handle;
+use bevy::color::{Alpha, Color, LinearRgba, Srgba};
+use bevy::prelude::AlphaMode;
+use bevy::reflect::{GetField, PartialReflect, Reflect};
 use color_eyre::eyre::eyre;
 use glam::{Mat4, Vec2, Vec3};
 use once_cell::sync::{Lazy, OnceCell};
 use parking_lot::Mutex;
 use rustc_hash::FxHashMap;
 use stardust_xr::values::ResourceID;
+use tracing::warn;
+
 use std::ffi::OsStr;
-use std::hash::{Hash, Hasher};
+use std::ops::Deref;
 use std::sync::{Arc, Weak};
-use stereokit_rust::material::Transparency;
-use stereokit_rust::maths::Bounds;
-use stereokit_rust::sk::MainThreadToken;
-use stereokit_rust::{material::Material, model::Model as SKModel, tex::Tex, util::Color128};
 
-pub struct MaterialWrapper(pub Material);
-impl Hash for MaterialWrapper {
-	fn hash<H: Hasher>(&self, state: &mut H) {
-		self.0.get_shader().0.as_ptr().hash(state);
-		for param in self.0.get_all_param_info() {
-			param.to_string().hash(state)
-		}
-		self.0.get_chain().map(MaterialWrapper).hash(state)
-	}
-}
-impl PartialEq for MaterialWrapper {
-	fn eq(&self, other: &Self) -> bool {
-		if self.0.get_shader().0.as_ptr() != other.0.get_shader().0.as_ptr() {
-			return false;
-		}
-		if self.0.get_all_param_info().count() != other.0.get_all_param_info().count() {
-			return false;
-		}
-		for self_param in self.0.get_all_param_info() {
-			let Some(other_param) = other
-				.0
-				.get_all_param_info()
-				.get_data(self_param.get_name(), self_param.get_type())
-			else {
-				return false;
-			};
-			if self_param.to_string() != other_param.to_string() {
-				return false;
-			}
-		}
-		self.0.get_chain().map(MaterialWrapper) == other.0.get_chain().map(MaterialWrapper)
-	}
-}
-impl Eq for MaterialWrapper {}
-unsafe impl Send for MaterialWrapper {}
-unsafe impl Sync for MaterialWrapper {}
 
-#[derive(Default)]
-struct MaterialRegistry(Mutex<FxHashMap<u64, String>>);
-impl MaterialRegistry {
-	fn add_or_get(&self, material: Arc<MaterialWrapper>) -> Arc<MaterialWrapper> {
-		let mut lock = self.0.lock();
-		let hash = {
-			use std::hash::{Hash, Hasher};
-			let mut hasher = std::collections::hash_map::DefaultHasher::new();
-			material.hash(&mut hasher);
-			hasher.finish()
-		};
-
-		if let Some(id) = lock.get(&hash) {
-			if let Ok(existing) = Material::find(id) {
-				return Arc::new(MaterialWrapper(existing));
-			}
-		}
-
-		lock.insert(hash, material.0.get_id().to_string());
-		material
-	}
-}
-
-static MATERIAL_REGISTRY: Lazy<MaterialRegistry> = Lazy::new(MaterialRegistry::default);
 static MODEL_REGISTRY: Registry<Model> = Registry::new();
-static HOLDOUT_MATERIAL: OnceCell<Arc<MaterialWrapper>> = OnceCell::new();
+static HOLDOUT_MATERIAL: OnceCell<Arc<DefaultMaterial>> = OnceCell::new();
 
 impl MaterialParameter {
-	fn apply_to_material(&self, client: &Client, material: &Material, parameter_name: &str) {
+	fn apply_to_material(
-		let mut params = material.get_all_param_info();
+		&self,
+		client: &Client,
+		material: &mut DefaultMaterial,
+		parameter_name: &str,
+	) {
 		match self {
-			MaterialParameter::Bool(val) => {
+			MaterialParameter::Bool(val) => match parameter_name {
-				params.set_bool(parameter_name, *val);
+				name => {
+					if let Some(field) = material.get_field_mut::<bool>(name) {
+						*field = *val;
+					} else {
+						warn!("unknown bool material parameter name: {name}");
 					}
-			MaterialParameter::Int(val) => {
-				params.set_int(parameter_name, &[*val]);
 				}
-			MaterialParameter::UInt(val) => {
+			},
-				params.set_uint(parameter_name, &[*val]);
+			MaterialParameter::Int(val) => match parameter_name {
+				name => {
+					if let Some(field) = material.get_field_mut::<i32>(name) {
+						*field = *val;
+					} else {
+						warn!("unknown bool material parameter name: {name}");
 					}
-			MaterialParameter::Float(val) => {
-				params.set_float(parameter_name, *val);
 				}
-			MaterialParameter::Vec2(val) => {
+			},
-				params.set_vec2(parameter_name, Vec2::from(*val));
+			MaterialParameter::UInt(val) => match parameter_name {
+				name => {
+					if let Some(field) = material.get_field_mut::<u32>(name) {
+						*field = *val;
+					} else {
+						warn!("unknown bool material parameter name: {name}");
 					}
-			MaterialParameter::Vec3(val) => {
-				params.set_vec3(parameter_name, Vec3::from(*val));
 				}
-			MaterialParameter::Color(val) => {
+			},
-				params.set_color(
+			MaterialParameter::Float(val) => match parameter_name {
-					parameter_name,
+				name => {
-					Color128::new(val.c.r, val.c.g, val.c.b, val.a),
+					if let Some(field) = material.get_field_mut::<f32>(name) {
-				);
+						*field = *val;
+					} else {
+						warn!("unknown bool material parameter name: {name}");
 					}
+				}
+			},
+			MaterialParameter::Vec2(val) => match parameter_name {
+				name => {
+					if let Some(field) = material.get_field_mut::<Vec2>(name) {
+						*field = (*val).into();
+					} else {
+						warn!("unknown bool material parameter name: {name}");
+					}
+				}
+			},
+			MaterialParameter::Vec3(val) => match parameter_name {
+				name => {
+					if let Some(field) = material.get_field_mut::<Vec3>(name) {
+						*field = (*val).into();
+					} else {
+						warn!("unknown bool material parameter name: {name}");
+					}
+				}
+			},
+			MaterialParameter::Color(val) => match parameter_name {
+				"color" => {
+					material.base_color = LinearRgba::new(val.c.r, val.c.g, val.c.b, val.a).into()
+				}
+				name => {
+					if let Some(field) = material.get_field_mut::<Color>(name) {
+						*field = LinearRgba::new(val.c.r, val.c.g, val.c.b, val.a).into();
+					} else {
+						warn!("unknown bool material parameter name: {name}");
+					}
+				}
+			},
 			MaterialParameter::Texture(resource) => {
+				match parameter_name {
+					name => {
+						warn!("unknown texture material parameter name: {name}");
+					}
+				}
 				let Some(texture_path) =
 					get_resource_file(resource, client, &[OsStr::new("png"), OsStr::new("jpg")])
 				else {
 					return;
 				};
-				if let Ok(tex) = Tex::from_file(texture_path, true, None) {
+				// if let Ok(tex) = Tex::from_file(texture_path, true, None) {
-					params.set_texture(parameter_name, &tex);
+				// 	params.set_texture(parameter_name, &tex);
-				}
+				// }
 			}
 		}
 	}
@@ -133,16 +128,26 @@ pub struct ModelPart {
 	space: Arc<Spatial>,
 	model: Weak<Model>,
 	pending_material_parameters: Mutex<FxHashMap<String, MaterialParameter>>,
-	pending_material_replacement: Mutex<Option<Arc<MaterialWrapper>>>,
+	pending_material_replacement: Mutex<Option<Arc<Handle<DefaultMaterial>>>>,
 	aliases: AliasList,
 }
+
+pub struct StardustModelPlugin;
+impl Plugin for StardustModelPlugin {
+	fn build(&self, app: &mut bevy::prelude::App) {}
+}
+
 impl ModelPart {
 	fn create_for_model(model: &Arc<Model>, sk_model: &SKModel) {
+		// The value isn't even used?!
 		HOLDOUT_MATERIAL.get_or_init(|| {
-			let mut mat = Material::copy(&Material::unlit());
+			let mut mat = DefaultMaterial {
-			mat.transparency(Transparency::None);
+				unlit: true,
-			mat.color_tint(Color128::BLACK_TRANSPARENT);
+				alpha_mode: AlphaMode::Opaque,
-			Arc::new(MaterialWrapper(mat))
+				base_color: Srgba::BLACK.with_alpha(0.0).into(),
+				..Default::default()
+			};
+			Arc::new(mat)
 		});
 
 		let nodes = sk_model.get_nodes();
@@ -307,7 +312,7 @@ impl ModelPartAspect for ModelPart {
 pub struct Model {
 	space: Arc<Spatial>,
 	_resource_id: ResourceID,
-	sk_model: OnceCell<SKModel>,
+	sk_model: OnceCell<()>,
 	parts: Mutex<Vec<Arc<ModelPart>>>,
 }
 impl Model {

src/nodes/spatial/mod.rs

@@ -9,6 +9,7 @@ use crate::core::client::Client;
 use crate::core::error::Result;
 use crate::core::registry::Registry;
 use crate::nodes::{Node, OWNED_ASPECT_ALIAS_INFO};
+use bevy::math::bounding::{Aabb3d, BoundingVolume};
 use color_eyre::eyre::OptionExt;
 use glam::{vec3a, Mat4, Quat, Vec3};
 use mint::Vector3;
@@ -18,7 +19,6 @@ use rustc_hash::FxHashMap;
 use std::fmt::Debug;
 use std::ptr;
 use std::sync::{Arc, Weak};
-use stereokit_rust::maths::Bounds;
 
 stardust_xr_server_codegen::codegen_spatial_protocol!();
 impl Transform {
@@ -59,7 +59,7 @@ pub struct Spatial {
 	transform: Mutex<Mat4>,
 	zone: Mutex<Weak<Zone>>,
 	children: Registry<Spatial>,
-	pub bounding_box_calc: OnceCell<fn(&Node) -> Bounds>,
+	pub bounding_box_calc: OnceCell<fn(&Node) -> Aabb3d>,
 }
 
 impl Spatial {
@@ -103,17 +103,12 @@ impl Spatial {
 	}
 
 	// the output bounds are probably way bigger than they need to be
-	pub fn get_bounding_box(&self) -> Bounds {
+	pub fn get_bounding_box(&self) -> Aabb3d {
-		let Some(node) = self.node() else {
+		let mut bounds = *self.bounding_box_calc.lock();
-			return Bounds::default();
-		};
-		let mut bounds = self
-			.bounding_box_calc
-			.get()
-			.map(|b| (b)(&node))
-			.unwrap_or_default();
 		for child in self.children.get_valid_contents() {
-			bounds.grown_box(child.get_bounding_box(), child.local_transform());
+			let b = child.get_bounding_box();
+			let t = child.local_transform();
+			bounds = bounds.grown_box(&b, Some(t));
 		}
 		bounds
 	}
@@ -354,8 +349,8 @@ impl SpatialRefAspect for SpatialRef {
 		let bounds = this_spatial.get_bounding_box();
 
 		Ok(BoundingBox {
-			center: Vec3::from(bounds.center).into(),
+			center: Vec3::from(bounds.center()).into(),
-			size: Vec3::from(bounds.dimensions).into(),
+			size: Vec3::from(bounds.half_size() * 2.0).into(),
 		})
 	}
 
@@ -368,18 +363,18 @@ impl SpatialRefAspect for SpatialRef {
 		let relative_spatial = relative_to.get_aspect::<Spatial>()?;
 		let center = Spatial::space_to_space_matrix(Some(&this_spatial), Some(&relative_spatial))
 			.transform_point3([0.0; 3].into());
-		let mut bounds = Bounds {
+		let mut bounds = Aabb3d::new(center, [0.0; 3]);
-			center: center.into(),
+		bounds = bounds.grown_box(
-			dimensions: [0.0; 3].into(),
+			&this_spatial.get_bounding_box(),
-		};
+			Some(Spatial::space_to_space_matrix(
-		bounds.grown_box(
+				Some(&this_spatial),
-			this_spatial.get_bounding_box(),
+				Some(&relative_spatial),
-			Spatial::space_to_space_matrix(Some(&this_spatial), Some(&relative_spatial)),
+			)),
 		);
 
 		Ok(BoundingBox {
-			center: Vec3::from(bounds.center).into(),
+			center: Vec3::from(bounds.center()).into(),
-			size: Vec3::from(bounds.dimensions).into(),
+			size: Vec3::from(bounds.half_size() * 2.0).into(),
 		})
 	}
 

src/objects/input/sk_controller.rs

@@ -8,19 +8,15 @@ use crate::{
 		Node, OwnedNode,
 	},
 	objects::{ObjectHandle, SpatialRef},
+	DefaultMaterial,
 };
+use bevy::{asset::Handle, prelude::Mesh};
+use bevy_mod_xr::hands::HandSide;
 use color_eyre::eyre::Result;
 use glam::{Mat4, Vec2, Vec3};
 use serde::{Deserialize, Serialize};
 use stardust_xr::values::Datamap;
 use std::sync::Arc;
-use stereokit_rust::{
-	material::Material,
-	model::Model,
-	sk::MainThreadToken,
-	system::{Handed, Input},
-	util::Color128,
-};
 use zbus::Connection;
 
 #[derive(Default, Debug, Deserialize, Serialize)]
@@ -35,10 +31,9 @@ struct ControllerDatamap {
 pub struct SkController {
 	object_handle: ObjectHandle<SpatialRef>,
 	input: Arc<InputMethod>,
-	handed: Handed,
+	handed: HandSide,
-	model: Model,
+	color: bevy::color::Color,
-	material: Material,
+	capture: Option<Arc<InputHandler>>,
-	capture_manager: CaptureManager,
 	datamap: ControllerDatamap,
 }
 impl SkController {

src/objects/mod.rs

@@ -8,26 +8,22 @@ use crate::{
 		Node, OwnedNode,
 	},
 };
+use bevy_mod_openxr::helper_traits::{ToQuat, ToVec3};
 use glam::{vec3, Mat4};
 use input::{
 	eye_pointer::EyePointer, mouse_pointer::MousePointer, sk_controller::SkController,
 	sk_hand::SkHand,
 };
+use openxr::SpaceLocationFlags;
 use play_space::PlaySpaceBounds;
 use stardust_xr::schemas::dbus::object_registry::ObjectRegistry;
 use std::{marker::PhantomData, sync::Arc};
-use stereokit_rust::{
-	material::Material,
-	sk::{DisplayMode, MainThreadToken, Sk},
-	system::{Handed, Input, Key, World},
-	util::Device,
-};
 use zbus::{interface, object_server::Interface, zvariant::OwnedObjectPath, Connection};
 
 pub mod input;
 pub mod play_space;
 
-enum Inputs {
+pub(crate) enum Inputs {
 	XR {
 		controller_left: SkController,
 		controller_right: SkController,
@@ -43,39 +39,51 @@ enum Inputs {
 	},
 }
 
+struct ControllerInput {
+	pose: openxr::Space,
+	select: openxr::Action<f32>,
+	grab: openxr::Action<f32>,
+	scroll: openxr::Action<openxr::Vector2f>,
+}
+
 pub struct ServerObjects {
 	connection: Connection,
 	hmd: (Arc<Spatial>, ObjectHandle<SpatialRef>),
 	play_space: Option<(Arc<Spatial>, ObjectHandle<SpatialRef>)>,
-	hand_materials: [Material; 2],
+	inputs: Option<Inputs>,
-	inputs: Inputs,
+	view_space: Option<openxr::Space>,
-	disable_controllers: bool,
+	ref_space: Option<openxr::Space>,
-	disable_hands: bool,
 }
+
+pub struct TrackingRefs {
+	view_space: openxr::Space,
+	ref_space: openxr::Space,
+	left_controller_space: openxr::Space,
+	right_controller_space: openxr::Space,
+	left_hand_tracker: Option<openxr::HandTracker>,
+	right_hand_tracker: Option<openxr::HandTracker>,
+}
+
 impl ServerObjects {
-	pub fn new(
+	pub fn new(connection: Connection) -> ServerObjects {
-		connection: Connection,
-		sk: &Sk,
-		hand_materials: [Material; 2],
-		disable_controllers: bool,
-		disable_hands: bool,
-	) -> ServerObjects {
 		let hmd = SpatialRef::create(&connection, "/org/stardustxr/HMD");
 
-		let play_space = (World::has_bounds()
+		// TODO: implement in bevy_mod_openxr
-			&& World::get_bounds_size().x != 0.0
+		// let play_space = (World::has_bounds()
-			&& World::get_bounds_size().y != 0.0)
+		// 	&& World::get_bounds_size().x != 0.0
-			.then(|| SpatialRef::create(&connection, "/org/stardustxr/PlaySpace"));
+		// 	&& World::get_bounds_size().y != 0.0)
-		if play_space.is_some() {
+		// 	.then(|| SpatialRef::create(&connection, "/org/stardustxr/PlaySpace"));
-			let dbus_connection = connection.clone();
+		// let play_space = None;
-			tokio::task::spawn(async move {
+		// if play_space.is_some() {
-				PlaySpaceBounds::create(&dbus_connection).await;
+		// 	let dbus_connection = connection.clone();
-				dbus_connection
+		// 	tokio::task::spawn(async move {
-					.request_name("org.stardustxr.PlaySpace")
+		// 		PlaySpaceBounds::create(&dbus_connection).await;
-					.await
+		// 		dbus_connection
-					.unwrap();
+		// 			.request_name("org.stardustxr.PlaySpace")
-			});
+		// 			.await
-		}
+		// 			.unwrap();
+		// 	});
+		// }
 
 		tokio::task::spawn({
 			let connection = connection.clone();
@@ -91,111 +99,123 @@ impl ServerObjects {
 			}
 		});
 
-		let inputs = if sk.get_active_display_mode() == DisplayMode::MixedReality {
+		// let inputs = if sk.get_active_display_mode() == DisplayMode::MixedReality {
-			Inputs::XR {
+		// 	Inputs::XR {
-				controller_left: SkController::new(&connection, Handed::Left).unwrap(),
+		// 		controller_left: SkController::new(&connection, Handed::Left).unwrap(),
-				controller_right: SkController::new(&connection, Handed::Right).unwrap(),
+		// 		controller_right: SkController::new(&connection, Handed::Right).unwrap(),
-				hand_left: SkHand::new(&connection, Handed::Left).unwrap(),
+		// 		hand_left: SkHand::new(&connection, Handed::Left).unwrap(),
-				hand_right: SkHand::new(&connection, Handed::Right).unwrap(),
+		// 		hand_right: SkHand::new(&connection, Handed::Right).unwrap(),
-				eye_pointer: Device::has_eye_gaze()
+		// 		// TODO: implement in bevy_mod_openxr
-					.then(EyePointer::new)
+		// 		eye_pointer: false.then(EyePointer::new).transpose().unwrap(),
-					.transpose()
+		// 	}
-					.unwrap(),
+		// } else {
-			}
+		// 	Inputs::MousePointer(MousePointer::new().unwrap())
-		} else {
+		// };
-			Inputs::MousePointer(MousePointer::new().unwrap())
-		};
 
 		ServerObjects {
 			connection,
 			hmd,
-			play_space,
+			play_space: None,
-			hand_materials,
+			inputs: None,
-			inputs,
+			ref_space: None,
-			disable_controllers,
+			view_space: None,
-			disable_hands,
 		}
 	}
 
 	pub fn update(
 		&mut self,
-		sk: &Sk,
+		session: Option<&openxr::Session<openxr::AnyGraphics>>,
-		token: &MainThreadToken,
+		time: Option<openxr::Time>,
-		dbus_connection: &Connection,
+	) {
-		object_registry: &ObjectRegistry,
+		if let (Some(session), Some(ref_space), Some(time)) =
+			(session, self.ref_space.as_ref(), time)
+		{
+			'hmd: {
+				if let Some(view) = self.view_space.as_ref() {
+					let hmd_pose = match view.locate(ref_space, time) {
+						Ok(v) => v,
+						Err(err) => {
+							tracing::error!("error while locating hmd: {err}");
+							break 'hmd;
+						}
+					};
+					if hmd_pose.location_flags.contains(
+						SpaceLocationFlags::POSITION_TRACKED
+							| SpaceLocationFlags::ORIENTATION_TRACKED,
 					) {
-		let hmd_pose = Input::get_head();
 						self.hmd
 							.0
 							.set_local_transform(Mat4::from_scale_rotation_translation(
 								vec3(1.0, 1.0, 1.0),
-				hmd_pose.orientation.into(),
+								hmd_pose.pose.orientation.to_quat(),
-				hmd_pose.position.into(),
+								hmd_pose.pose.position.to_vec3(),
-			));
-
-		if let Some(play_space) = self.play_space.as_ref() {
-			let pose = World::get_bounds_pose();
-			play_space
-				.0
-				.set_local_transform(Mat4::from_rotation_translation(
-					pose.orientation.into(),
-					pose.position.into(),
 							));
 					}
-
-		#[allow(clippy::collapsible_if)]
-		if sk.get_active_display_mode() != DisplayMode::MixedReality {
-			if Input::key(Key::F6).is_just_inactive() {
-				self.inputs = Inputs::MousePointer(MousePointer::new().unwrap());
 				}
-			// if Input::key(Key::F7).is_just_inactive() {
+			}
-			// 	self.inputs = Inputs::Controllers((
+		}
-			// 		SkController::new(Handed::Left).unwrap(),
+
-			// 		SkController::new(Handed::Right).unwrap(),
+		// if let Some(play_space) = self.play_space.as_ref() {
+		// 	let pose = World::get_bounds_pose();
+		// 	play_space
+		// 		.0
+		// 		.set_local_transform(Mat4::from_rotation_translation(
+		// 			pose.orientation.into(),
+		// 			pose.position.into(),
 		// 		));
 		// }
+
+		// if sk.get_active_display_mode() != DisplayMode::MixedReality {
+		// 	if Input::key(Key::F6).is_just_inactive() {
+		// 		self.inputs = Inputs::MousePointer(MousePointer::new().unwrap());
+		// 	}
+		// 	// if Input::key(Key::F7).is_just_inactive() {
+		// 	// 	self.inputs = Inputs::Controllers((
+		// 	// 		SkController::new(Handed::Left).unwrap(),
+		// 	// 		SkController::new(Handed::Right).unwrap(),
+		// 	// 	));
+		// 	// }
 		// 	if Input::key(Key::F8).is_just_inactive() {
 		// 		self.inputs = Inputs::Hands {
 		// 			left: SkHand::new(&self.connection, Handed::Left).unwrap(),
 		// 			right: SkHand::new(&self.connection, Handed::Right).unwrap(),
 		// 		};
 		// 	}
-		}
+		// }
 
 		match &mut self.inputs {
-			Inputs::XR {
+			Some(Inputs::XR {
 				controller_left,
 				controller_right,
 				hand_left,
 				hand_right,
 				eye_pointer,
-			} => {
+			}) => {
-				if !self.disable_controllers {
+				// controller_left.update(token);
-					controller_left.update(token);
+				// controller_right.update(token);
-					controller_right.update(token);
+				// hand_left.update(sk, token);
-				}
+				// hand_right.update(sk, token);
-				Input::hand_visible(Handed::Left, !self.disable_hands);
-				Input::hand_visible(Handed::Right, !self.disable_hands);
-				if !self.disable_hands {
-					hand_left.update(sk, token, &mut self.hand_materials[0]);
-					hand_right.update(sk, token, &mut self.hand_materials[1]);
-				}
 				if let Some(eye_pointer) = eye_pointer {
 					eye_pointer.update();
 				}
 			}
-			Inputs::MousePointer(mouse_pointer) => {
+			Some(Inputs::MousePointer(mouse_pointer)) => mouse_pointer.update(),
-				mouse_pointer.update(dbus_connection, object_registry)
-			}
 			// Inputs::Controllers((left, right)) => {
 			// 	left.update(token);
 			// 	right.update(token);
 			// }
-			Inputs::Hands { left, right } => {
+			Some(Inputs::Hands { left, right }) => {
-				left.update(sk, token, &mut self.hand_materials[0]);
+				// left.update(sk, token);
-				right.update(sk, token, &mut self.hand_materials[1]);
+				// right.update(sk, token);
+			}
+			None => {}
 		}
 	}
+	pub fn set_inputs(&mut self, inputs: Inputs) {
+		self.inputs = Some(inputs);
+	}
+	pub fn unset_inputs(&mut self, inputs: Inputs) {
+		self.inputs = None;
 	}
 }
 

src/oxr_render_plugin.rs

@@ -0,0 +1,84 @@
+use bevy::{
+	app::{App, MainScheduleOrder, Plugin, PostUpdate},
+	ecs::schedule::ScheduleLabel,
+	prelude::{resource_added, IntoSystemConfigs as _, TransformSystem},
+	render::{
+		extract_resource::ExtractResourcePlugin, pipelined_rendering::PipelinedRenderingPlugin,
+		Render, RenderApp,
+	},
+};
+use bevy_mod_openxr::{
+	init::should_run_frame_loop,
+	layer_builder::ProjectionLayer,
+	render::{
+		begin_frame, clean_views, end_frame, init_views, insert_texture_views, locate_views,
+		release_image, update_views, update_views_render_world, wait_image,
+	},
+	resources::{
+		OxrFrameState, OxrGraphicsInfo, OxrRenderLayers, OxrSwapchainImages, OxrViews, Pipelined,
+	},
+	session::OxrSession,
+};
+use bevy_mod_xr::session::{XrFirst, XrPreDestroySession, XrRenderSet, XrSessionCreated};
+
+pub struct StardustOxrRenderPlugin;
+
+impl Plugin for StardustOxrRenderPlugin {
+	fn build(&self, app: &mut App) {
+		if app.is_plugin_added::<PipelinedRenderingPlugin>() {
+			app.init_resource::<Pipelined>();
+		}
+
+		app.add_plugins((
+			ExtractResourcePlugin::<OxrFrameState>::default(),
+			ExtractResourcePlugin::<OxrGraphicsInfo>::default(),
+			ExtractResourcePlugin::<OxrSwapchainImages>::default(),
+			ExtractResourcePlugin::<OxrViews>::default(),
+		))
+		.add_systems(XrPreDestroySession, clean_views)
+		.add_systems(
+			XrSessionCreated,
+			init_views.run_if(resource_added::<OxrSession>),
+		)
+		.add_systems(
+			PostUpdate,
+			(locate_views, update_views)
+				.before(TransformSystem::TransformPropagate)
+				.chain()
+				.run_if(should_run_frame_loop),
+		)
+		.init_resource::<OxrViews>();
+
+		let labels = &mut app.world_mut().resource_mut::<MainScheduleOrder>().labels;
+		let xr_first_intern = (XrFirst).intern();
+		if labels.remove(0) != xr_first_intern {
+			panic!("first schedule was not XrFirst!");
+		}
+
+		let render_app = app.sub_app_mut(RenderApp);
+
+		render_app
+			.add_systems(XrPreDestroySession, clean_views)
+			.add_systems(
+				Render,
+				(
+					begin_frame,
+					insert_texture_views,
+					locate_views,
+					update_views_render_world,
+					wait_image,
+				)
+					.chain()
+					.in_set(XrRenderSet::PreRender)
+					.run_if(should_run_frame_loop),
+			)
+			.add_systems(
+				Render,
+				(release_image, end_frame)
+					.chain()
+					.run_if(should_run_frame_loop)
+					.in_set(XrRenderSet::PostRender),
+			)
+			.insert_resource(OxrRenderLayers(vec![Box::new(ProjectionLayer)]));
+	}
+}