upgrade dependencies

Cargo.toml

@@ -6,23 +6,23 @@ authors = ["Robin Appelman <robin@icewind.nl>"]
 license = "MIT"
 
 [dependencies]
-three-d = "0.10.2"
+three-d = { version = "0.14.0", features = ["egui-gui"] }
 vbsp = { version = "0.1.0", git = "https://github.com/icewind1991/vbsp" }
-miette = { version = "4.2.1", features = ["fancy"] }
+miette = { version = "5.5.0", features = ["fancy"] }
-thiserror = "1.0.30"
+thiserror = "1.0.37"
 delaunator = "1.0.1"
-itertools = "0.10.3"
+itertools = "0.10.5"
-steamlocate = "1.0.1"
+steamlocate = "1.1.0"
 vpk = { version = "0.1.4", git = "https://github.com/icewind1991/vpk-rs", branch = "perf" }
 vmdl = { version = "*", git = "https://github.com/icewind1991/vmdl" }
-tracing = "0.1.29"
+tracing = "0.1.37"
-tracing-subscriber = { version = "0.3.3", features = ["env-filter"] }
+tracing-subscriber = { version = "0.3.16", features = ["env-filter"] }
-tracing-tree = "0.2.0"
+tracing-tree = "0.2.2"
 cgmath = "0.18.0"
-tf-demo-parser = { version = "0.4.0", path = "../demostf/tf-demo-parser" }
+tf-demo-parser = { version = "0.4.0", git = "https://github.com/demostf/parser" }
 steamid-ng = "1.0.0"
-clap = { version = "3.1.8", features = ["derive"] }
+clap = { version = "4.0.29", features = ["derive"] }
-splines = { version = "4.1.0", features = ["cgmath"] }
+splines = { version = "4.1.1", features = ["cgmath"] }
 
 [profile.dev.package."*"]
 opt-level = 2

flake.nix

@@ -16,7 +16,29 @@
     in rec {
       # `nix develop`
       devShell = pkgs.mkShell {
-        nativeBuildInputs = with pkgs; [rustc cargo bacon cargo-edit cargo-outdated clippy cargo-audit cargo-msrv];
+        nativeBuildInputs = with pkgs; [
+          rustc
+          cargo
+          bacon
+          cargo-edit
+          cargo-outdated
+          clippy
+          cargo-audit
+          cargo-msrv
+          freetype
+          pkgconfig
+          cmake
+          fontconfig
+          xorg.libX11
+          xorg.libXcursor
+          xorg.libXrandr
+          xorg.libXi
+          glew-egl
+          egl-wayland
+          libGL
+        ];
+
+        LD_LIBRARY_PATH = with pkgs; "/run/opengl-driver/lib/:${lib.makeLibraryPath ([libGL libGLU])}";
       };
     });
 }

src/bsp.rs

@@ -1,38 +1,38 @@
 use crate::{Error, Loader};
 use cgmath::{vec4, Matrix, SquareMatrix};
 use itertools::Either;
-use three_d::{CPUMesh, Indices, Mat4};
+use three_d::{CpuMesh, Indices, Mat4, Positions, Vec3};
 use vbsp::{Bsp, Handle, StaticPropLump};
 use vmdl::mdl::Mdl;
 use vmdl::vtx::Vtx;
 use vmdl::vvd::Vvd;
 
-pub fn load_map(data: &[u8], loader: &mut Loader) -> Result<Vec<CPUMesh>, Error> {
+pub fn load_map(data: &[u8], loader: &mut Loader) -> Result<Vec<CpuMesh>, Error> {
     let (cpu_mesh, bsp) = load_world(data)?;
     loader.set_pack(bsp.pack.clone());
     let merged_props = load_props(loader, bsp.static_props())?;
     Ok(vec![cpu_mesh, merged_props])
 }
 
-fn apply_transform(coord: [f32; 3], transform: Mat4) -> [f32; 3] {
+fn apply_transform<C: Into<Vec3>>(coord: C, transform: Mat4) -> Vec3 {
-    let coord = (transform * vec4(coord[0], coord[1], coord[2], 1.0)).truncate();
+    let coord = coord.into();
-    [coord.x, coord.y, coord.z]
+    (transform * vec4(coord.x, coord.y, coord.z, 1.0)).truncate()
 }
 
-pub fn map_coords<C: Into<[f32; 3]>>(vec: C) -> [f32; 3] {
+pub fn map_coords<C: Into<Vec3>>(vec: C) -> Vec3 {
     let vec = vec.into();
-    [
+    Vec3 {
-        vec[1] * UNIT_SCALE,
+        x: vec.y * UNIT_SCALE,
-        vec[2] * UNIT_SCALE,
+        y: vec.z * UNIT_SCALE,
-        vec[0] * UNIT_SCALE,
+        z: vec.x * UNIT_SCALE,
-    ]
+    }
 }
 
 // 1 hammer unit is ~1.905cm
 pub const UNIT_SCALE: f32 = 1.0 / (1.905 * 100.0);
 
-fn model_to_mesh(model: Handle<vbsp::data::Model>) -> CPUMesh {
+fn model_to_mesh(model: Handle<vbsp::data::Model>) -> CpuMesh {
-    let positions: Vec<f32> = model
+    let positions: Vec<Vec3> = model
         .faces()
         .filter(|face| face.is_visible())
         .flat_map(|face| {
@@ -41,11 +41,11 @@ fn model_to_mesh(model: Handle<vbsp::data::Model>) -> CPUMesh {
                 .map(Either::Left)
                 .unwrap_or_else(|| Either::Right(face.triangulate().flatten()))
         })
-        .flat_map(map_coords)
+        .map(|c| map_coords(c).into())
         .collect();
 
-    let mut mesh = CPUMesh {
+    let mut mesh = CpuMesh {
-        positions,
+        positions: Positions::F32(positions),
         ..Default::default()
     };
 
@@ -57,7 +57,7 @@ fn model_to_mesh(model: Handle<vbsp::data::Model>) -> CPUMesh {
 fn load_props<'a, I: Iterator<Item = Handle<'a, StaticPropLump>>>(
     loader: &Loader,
     props: I,
-) -> Result<CPUMesh, Error> {
+) -> Result<CpuMesh, Error> {
     merge_models(props.map(|prop| {
         let model = load_prop(loader, prop.model())?;
         let transform =
@@ -80,7 +80,7 @@ struct ModelData {
     transform: Mat4,
 }
 
-fn merge_models<I: Iterator<Item = Result<ModelData, Error>>>(props: I) -> Result<CPUMesh, Error> {
+fn merge_models<I: Iterator<Item = Result<ModelData, Error>>>(props: I) -> Result<CpuMesh, Error> {
     let mut positions = Vec::new();
     let mut normals = Vec::new();
     let mut indices = Vec::new();
@@ -91,21 +91,21 @@ fn merge_models<I: Iterator<Item = Result<ModelData, Error>>>(props: I) -> Resul
         let normal_transform = transform.invert().unwrap().transpose() * -1.0;
         let model = prop.model;
 
-        let offset = positions.len() as u32 / 3;
+        let offset = positions.len() as u32;
 
         positions.extend(
             model
                 .vertices()
                 .iter()
                 .map(|v| map_coords(v.position))
-                .flat_map(|v| apply_transform(v, transform)),
+                .map(|v| apply_transform(v, transform)),
         );
         normals.extend(
             model
                 .vertices()
                 .iter()
                 .map(|v| map_coords(v.normal))
-                .flat_map(|v| apply_transform(v, normal_transform)),
+                .map(|v| apply_transform(v, normal_transform)),
         );
         indices.extend(
             model
@@ -115,15 +115,15 @@ fn merge_models<I: Iterator<Item = Result<ModelData, Error>>>(props: I) -> Resul
         );
     }
 
-    Ok(CPUMesh {
+    Ok(CpuMesh {
-        positions,
+        positions: Positions::F32(positions),
         normals: Some(normals),
-        indices: Some(Indices::U32(indices)),
+        indices: Indices::U32(indices),
         ..Default::default()
     })
 }
 
-fn load_world(data: &[u8]) -> Result<(CPUMesh, Bsp), Error> {
+fn load_world(data: &[u8]) -> Result<(CpuMesh, Bsp), Error> {
     let bsp = Bsp::read(data)?;
     let world_model = bsp.models().next().ok_or(Error::Other("No world model"))?;
 

src/control.rs

@@ -13,7 +13,7 @@ pub trait Control {
         events: &mut [Event],
         elapsed_time: f64,
         accumulated_time: f64,
-    ) -> ThreeDResult<bool>;
+    ) -> bool;
 
     fn ui(&mut self, _ui: &mut Ui) {}
 
@@ -33,8 +33,8 @@ impl Control for FirstPerson {
         events: &mut [Event],
         _elapsed_time: f64,
         _accumulated_time: f64,
-    ) -> ThreeDResult<bool> {
+    ) -> bool {
-        let change = self.control.handle_events(camera, events)?;
+        let change = self.control.handle_events(camera, events);
         for event in events.iter_mut() {
             match event {
                 Event::KeyPress { kind, .. } => {
@@ -48,19 +48,19 @@ impl Control for FirstPerson {
         }
 
         if self.keys[0] {
-            apply_camera_action(camera, CameraAction::Forward { speed: self.speed }, 1.0)?;
+            apply_camera_action(camera, CameraAction::Forward { speed: self.speed }, 1.0);
         }
         if self.keys[1] {
-            apply_camera_action(camera, CameraAction::Forward { speed: self.speed }, -1.0)?;
+            apply_camera_action(camera, CameraAction::Forward { speed: self.speed }, -1.0);
         }
         if self.keys[2] {
-            apply_camera_action(camera, CameraAction::Left { speed: self.speed }, 1.0)?;
+            apply_camera_action(camera, CameraAction::Left { speed: self.speed }, 1.0);
         }
         if self.keys[3] {
-            apply_camera_action(camera, CameraAction::Left { speed: self.speed }, -1.0)?;
+            apply_camera_action(camera, CameraAction::Left { speed: self.speed }, -1.0);
         }
 
-        Ok(self.keys.iter().fold(change, |change, key| change && *key))
+        self.keys.iter().fold(change, |change, key| change && *key)
     }
 }
 
@@ -113,20 +113,20 @@ impl Control for DebugToggle {
         events: &mut [Event],
         _elapsed_time: f64,
         _accumulated_time: f64,
-    ) -> ThreeDResult<bool> {
+    ) -> bool {
         for event in events.iter_mut() {
             match event {
                 Event::Text(text) => {
                     if text == "`" {
                         self.enabled = !self.enabled;
-                        return Ok(true);
+                        return true;
                     }
                 }
                 _ => {}
             };
         }
 
-        Ok(false)
+        false
     }
 }
 
@@ -158,7 +158,7 @@ impl Control for DemoCamera {
         events: &mut [Event],
         _elapsed_time: f64,
         accumulated_time: f64,
-    ) -> ThreeDResult<bool> {
+    ) -> bool {
         let mut change = false;
         for event in events.iter_mut() {
             match event {
@@ -198,7 +198,7 @@ impl Control for DemoCamera {
             self.force_update = false;
         }
 
-        Ok(self.playing | change)
+        self.playing | change
     }
 
     fn ui(&mut self, ui: &mut Ui) {
@@ -248,13 +248,11 @@ impl DemoCamera {
         let forward = vec4(0.0, 0.0, 1.0, 1.0);
         let angle_transform = Mat4::from_angle_y(degrees(yaw)) * Mat4::from_angle_x(degrees(pitch));
         let target = position + (angle_transform * forward).truncate();
-        camera
+        camera.set_view(position, target, vec3(0.0, 1.0, 0.0))
-            .set_view(position, target, vec3(0.0, 1.0, 0.0))
-            .unwrap();
     }
 
     fn tick_range(&self) -> RangeInclusive<u32> {
-        self.demo.start_tick..=self.demo.ticks + self.demo.start_tick
+        u32::from(self.demo.start_tick)..=self.demo.ticks + u32::from(self.demo.start_tick)
     }
 
     fn set_tick(&mut self, tick: u32, time: f64) {
@@ -277,40 +275,36 @@ impl DemoCamera {
     }
 }
 
-fn apply_camera_action(
+fn apply_camera_action(camera: &mut Camera, control_type: CameraAction, x: f64) -> bool {
-    camera: &mut Camera,
-    control_type: CameraAction,
-    x: f64,
-) -> ThreeDResult<bool> {
     match control_type {
         CameraAction::Pitch { speed } => {
-            camera.pitch(radians(speed * x as f32))?;
+            camera.pitch(radians(speed * x as f32));
         }
         CameraAction::OrbitUp { speed, target } => {
-            camera.rotate_around_with_fixed_up(&target, 0.0, speed * x as f32)?;
+            camera.rotate_around_with_fixed_up(&target, 0.0, speed * x as f32);
         }
         CameraAction::Yaw { speed } => {
-            camera.yaw(radians(speed * x as f32))?;
+            camera.yaw(radians(speed * x as f32));
         }
         CameraAction::OrbitLeft { speed, target } => {
-            camera.rotate_around_with_fixed_up(&target, speed * x as f32, 0.0)?;
+            camera.rotate_around_with_fixed_up(&target, speed * x as f32, 0.0);
         }
         CameraAction::Roll { speed } => {
-            camera.roll(radians(speed * x as f32))?;
+            camera.roll(radians(speed * x as f32));
         }
         CameraAction::Left { speed } => {
             let change = -camera.right_direction() * x as f32 * speed;
-            camera.translate(&change)?;
+            camera.translate(&change);
         }
         CameraAction::Up { speed } => {
             let right = camera.right_direction();
             let up = right.cross(camera.view_direction());
             let change = up * x as f32 * speed;
-            camera.translate(&change)?;
+            camera.translate(&change);
         }
         CameraAction::Forward { speed } => {
             let change = camera.view_direction() * speed * x as f32;
-            camera.translate(&change)?;
+            camera.translate(&change);
         }
         CameraAction::Zoom {
             target,
@@ -318,11 +312,11 @@ fn apply_camera_action(
             min,
             max,
         } => {
-            camera.zoom_towards(&target, speed * x as f32, min, max)?;
+            camera.zoom_towards(&target, speed * x as f32, min, max);
         }
         CameraAction::None => {}
     }
-    Ok(control_type != CameraAction::None)
+    control_type != CameraAction::None
 }
 
 #[derive(Copy, Clone, Debug)]

src/demo.rs

@@ -4,7 +4,7 @@ use crate::Error;
 use splines::{Interpolation, Key};
 use std::fs;
 use std::path::Path;
-use tf_demo_parser::demo::data::UserInfo;
+use tf_demo_parser::demo::data::{DemoTick, UserInfo};
 use tf_demo_parser::demo::header::Header;
 use tf_demo_parser::demo::message::packetentities::EntityId;
 use tf_demo_parser::demo::message::Message;
@@ -20,7 +20,7 @@ pub struct DemoInfo {
     pub ticks: u32,
     pub map: String,
     pub positions: Positions,
-    pub start_tick: u32,
+    pub start_tick: DemoTick,
     pub time_per_tick: f64,
 }
 
@@ -55,15 +55,15 @@ struct PovAnalyzer {
     positions: Positions,
     name: String,
     player: Option<EntityId>,
-    start_tick: u32,
+    start_tick: DemoTick,
     pov_name: String,
     is_pov: bool,
-    last_tick: u32,
+    last_tick: DemoTick,
-    last_pov_tick: u32,
+    last_pov_tick: DemoTick,
 }
 
 impl MessageHandler for PovAnalyzer {
-    type Output = (Positions, u32, f32);
+    type Output = (Positions, DemoTick, f32);
 
     fn does_handle(message_type: MessageType) -> bool {
         matches!(message_type, MessageType::PacketEntities)
@@ -76,7 +76,7 @@ impl MessageHandler for PovAnalyzer {
         }
     }
 
-    fn handle_message(&mut self, message: &Message, tick: u32) {
+    fn handle_message(&mut self, message: &Message, tick: DemoTick, _state: &ParserState) {
         if tick > self.last_tick {
             self.last_tick = tick;
             const NON_LOCAL_ORIGIN: SendPropIdentifier =
@@ -113,14 +113,14 @@ impl MessageHandler for PovAnalyzer {
                                 }
                                 NON_LOCAL_PITCH_ANGLES => {
                                     self.positions.pitch.push(Key::new(
-                                        tick as f32,
+                                        u32::from(tick) as f32,
                                         Wrapping(f32::try_from(&prop.value).unwrap_or_default()),
                                         Interpolation::Linear,
                                     ));
                                 }
                                 NON_LOCAL_YAW_ANGLES => {
                                     self.positions.yaw.push(Key::new(
-                                        tick as f32,
+                                        u32::from(tick) as f32,
                                         Wrapping(f32::try_from(&prop.value).unwrap_or_default()),
                                         Interpolation::Linear,
                                     ));
@@ -137,9 +137,9 @@ impl MessageHandler for PovAnalyzer {
             }
 
             if (self.last_position != old_pos || old_offset != self.view_offset) && !self.is_pov {
-                let pos = map_coords(self.last_position);
+                let pos = map_coords(<[f32; 3]>::from(self.last_position));
                 self.positions.positions.push(Key::new(
-                    tick as f32,
+                    u32::from(tick) as f32,
                     vec3(pos[0], pos[1] + self.view_offset, pos[2]),
                     Interpolation::CatmullRom,
                 ));
@@ -147,32 +147,44 @@ impl MessageHandler for PovAnalyzer {
         }
     }
 
-    fn handle_string_entry(&mut self, table: &str, _index: usize, entry: &StringTableEntry) {
+    fn handle_string_entry(
+        &mut self,
+        table: &str,
+        index: usize,
+        entry: &StringTableEntry,
+        _state: &ParserState,
+    ) {
         if table == "userinfo" && self.player.is_none() {
             let _ = self.parse_user_info(
+                index as u16,
                 entry.text.as_ref().map(|s| s.as_ref()),
                 entry.extra_data.as_ref().map(|data| data.data.clone()),
             );
         }
     }
 
-    fn handle_packet_meta(&mut self, tick: u32, meta: &MessagePacketMeta) {
+    fn handle_packet_meta(
+        &mut self,
+        tick: DemoTick,
+        meta: &MessagePacketMeta,
+        _state: &ParserState,
+    ) {
         if tick != self.last_pov_tick {
             self.last_pov_tick = tick;
             if self.is_pov {
                 self.positions.pitch.push(Key::new(
-                    tick as f32,
+                    u32::from(tick) as f32,
                     Wrapping(meta.view_angles[0].local_angles.y),
                     Interpolation::Linear,
                 ));
                 self.positions.yaw.push(Key::new(
-                    tick as f32,
+                    u32::from(tick) as f32,
                     Wrapping(meta.view_angles[0].local_angles.x),
                     Interpolation::Linear,
                 ));
-                let pos = map_coords(meta.view_angles[0].origin);
+                let pos = map_coords(<[f32; 3]>::from(meta.view_angles[0].origin));
                 self.positions.positions.push(Key::new(
-                    tick as f32,
+                    u32::from(tick) as f32,
                     vec3(pos[0], pos[1] + self.view_offset, pos[2]),
                     Interpolation::CatmullRom,
                 ));
@@ -197,16 +209,21 @@ impl PovAnalyzer {
             positions: Positions::default(),
             name,
             player: None,
-            start_tick: 0,
+            start_tick: DemoTick::default(),
             pov_name: String::new(),
             is_pov: false,
-            last_tick: 0,
+            last_tick: DemoTick::default(),
-            last_pov_tick: 0,
+            last_pov_tick: DemoTick::default(),
         }
     }
 
-    fn parse_user_info(&mut self, text: Option<&str>, data: Option<Stream>) -> ReadResult<()> {
+    fn parse_user_info(
-        if let Some(user_info) = UserInfo::parse_from_string_table(text, data)? {
+        &mut self,
+        index: u16,
+        text: Option<&str>,
+        data: Option<Stream>,
+    ) -> ReadResult<()> {
+        if let Some(user_info) = UserInfo::parse_from_string_table(index, text, data)? {
             if user_info
                 .player_info
                 .name

src/main.rs

@@ -47,6 +47,10 @@ pub enum Error {
     Demo(#[from] tf_demo_parser::ParseError),
     #[error("{0}")]
     Other(&'static str),
+    #[error(transparent)]
+    Window(#[from] WindowError),
+    #[error(transparent)]
+    Render(#[from] RendererError),
 }
 
 impl From<&'static str> for Error {
@@ -98,10 +102,10 @@ fn main() -> Result<(), Error> {
 fn play<C: Control + 'static>(
     window: Window,
     control: C,
-    meshes: Vec<CPUMesh>,
+    meshes: Vec<CpuMesh>,
 ) -> Result<(), Error> {
-    let mut renderer = Renderer::new(&window, control)?;
+    let mut renderer = Renderer::new(&window, control);
-    let material = PhysicalMaterial {
+    let material = CpuMaterial {
         albedo: Color {
             r: 128,
             g: 128,
@@ -113,10 +117,14 @@ fn play<C: Control + 'static>(
 
     renderer.models = meshes
         .into_iter()
-        .map(|mesh| Model::new_with_material(&renderer.context, &mesh, material.clone()))
+        .map(|mesh| CpuModel {
+            geometries: vec![mesh],
+            materials: vec![material.clone()],
+        })
+        .map(|model| Model::new(&renderer.context, &model))
         .collect::<Result<_, _>>()?;
 
-    window.render_loop(move |frame_input| renderer.render(frame_input).unwrap())?;
+    window.render_loop(move |frame_input| renderer.render(frame_input));
 
     Ok(())
 }

src/renderer.rs

@@ -1,86 +1,78 @@
 use crate::control::{Control, DebugToggle};
+use crate::ui::DebugType;
 use crate::DebugUI;
 use three_d::*;
 
 pub struct Renderer<C: Control> {
     gui: DebugUI,
     pub models: Vec<Model<PhysicalMaterial>>,
-    lights: Lights,
+    ambient_lights: Vec<AmbientLight>,
+    directional_lights: Vec<DirectionalLight>,
     pub context: Context,
-    pipeline: ForwardPipeline,
     control: C,
     debug_toggle: DebugToggle,
     pub camera: Camera,
 }
 
 impl<C: Control> Renderer<C> {
-    pub fn new(window: &Window, control: C) -> ThreeDResult<Self> {
+    pub fn new(window: &Window, control: C) -> Self {
-        let context = window.gl().unwrap();
+        let context = window.gl();
-        let forward_pipeline = ForwardPipeline::new(&context).unwrap();
         let camera = Camera::new_perspective(
-            &context,
+            window.viewport(),
-            window.viewport().unwrap(),
             vec3(9.0, 4.0, 5.0),
             vec3(0.0, 0.0, 0.0),
             vec3(0.0, 1.0, 0.0),
             degrees(60.0),
             0.1,
             30.0,
-        )?;
+        );
 
-        let lights = Lights {
+        let ambient_lights = vec![AmbientLight {
-            ambient: Some(AmbientLight {
             color: Color::WHITE,
             intensity: 0.2,
             ..Default::default()
-            }),
+        }];
-            directional: vec![
+        let directional_lights = vec![
-                DirectionalLight::new(&context, 1.0, Color::WHITE, &vec3(0.0, -1.0, 0.0))?,
+            DirectionalLight::new(&context, 1.0, Color::WHITE, &vec3(0.0, -1.0, 0.0)),
-                DirectionalLight::new(&context, 1.0, Color::WHITE, &vec3(0.0, 1.0, 0.0))?,
+            DirectionalLight::new(&context, 1.0, Color::WHITE, &vec3(0.0, 1.0, 0.0)),
-            ],
+        ];
-            ..Default::default()
-        };
         // let control = FirstPerson::new(0.1);
 
-        Ok(Self {
+        Self {
             models: Vec::new(),
-            gui: DebugUI::new(&context)?,
+            gui: DebugUI::new(&context),
-            pipeline: forward_pipeline,
+            ambient_lights,
-            lights,
+            directional_lights,
             context,
             control,
             debug_toggle: DebugToggle::new(),
             camera,
-        })
+        }
     }
 
-    pub fn render(&mut self, mut frame_input: FrameInput) -> ThreeDResult<FrameOutput> {
+    pub fn render(&mut self, mut frame_input: FrameInput) -> FrameOutput {
         let (ui_change, _panel_width) =
             self.gui
-                .update(&mut frame_input, &self.camera, &mut self.control)?;
+                .update(&mut frame_input, &self.camera, &mut self.control);
         let change = frame_input.first_frame || ui_change;
         if change {
             if self.gui.shadows_enabled {
-                self.lights.directional[0]
+                self.directional_lights[0]
-                    .generate_shadow_map(4.0, 1024, 1024, &self.models)
+                    .generate_shadow_map(1024, self.models.iter().flat_map(|model| model.iter()));
-                    .unwrap();
+                self.directional_lights[1]
-                self.lights.directional[1]
+                    .generate_shadow_map(1024, self.models.iter().flat_map(|model| model.iter()));
-                    .generate_shadow_map(4.0, 1024, 1024, &self.models)
-                    .unwrap();
             } else {
-                self.lights.directional[0].clear_shadow_map();
+                self.directional_lights[0].clear_shadow_map();
-                self.lights.directional[1].clear_shadow_map();
+                self.directional_lights[1].clear_shadow_map();
             }
-            self.lights.directional[0].set_intensity(self.gui.directional_intensity);
+            self.directional_lights[0].intensity = self.gui.directional_intensity;
-            self.lights.directional[1].set_intensity(self.gui.directional_intensity);
+            self.directional_lights[1].intensity = self.gui.directional_intensity;
-            self.lights.ambient.as_mut().unwrap().intensity = self.gui.ambient_intensity;
+            self.ambient_lights[0].intensity = self.gui.ambient_intensity;
-            self.camera
+            self.camera.set_perspective_projection(
-                .set_perspective_projection(
                 degrees(self.gui.fov),
                 self.camera.z_near(),
                 self.camera.z_far(),
-                )
+            );
-                .unwrap();
         }
 
         let viewport = Viewport {
@@ -89,89 +81,74 @@ impl<C: Control> Renderer<C> {
             width: frame_input.viewport.width,
             height: frame_input.viewport.height,
         };
-        self.camera.set_viewport(viewport).unwrap();
+        self.camera.set_viewport(viewport);
-        self.control
+        self.control.handle(
-            .handle(
             &mut self.camera,
             &mut frame_input.events,
             frame_input.elapsed_time,
             frame_input.accumulated_time,
-            )
+        );
-            .unwrap();
+        self.debug_toggle.handle(
-        self.debug_toggle
-            .handle(
             &mut self.camera,
             &mut frame_input.events,
             frame_input.elapsed_time,
             frame_input.accumulated_time,
-            )
+        );
-            .unwrap();
+
+        let lights = &[
+            &self.ambient_lights[0] as &dyn Light,
+            &self.directional_lights[0],
+            &self.directional_lights[1],
+        ];
 
         // Light pass
-        Screen::write(&self.context, ClearState::default(), || {
+        let target = frame_input.screen();
+        target.clear(ClearState::default());
+
+        let geometries = self
+            .models
+            .iter()
+            .flat_map(|model| model.iter())
+            .map(|gm| &gm.geometry);
+
         match self.gui.debug_type {
-                DebugType::NORMAL => {
+            DebugType::NORMAL => target.render_with_material(
-                    for model in &self.models {
+                &NormalMaterial::default(),
-                        model.render_with_material(
-                            &NormalMaterial::from_physical_material(&model.material),
                 &self.camera,
-                            &self.lights,
+                geometries,
-                        )?;
+                lights,
-                    }
+            ),
-                }
             DebugType::DEPTH => {
-                    let depth_material = DepthMaterial {
+                let mut depth_material = DepthMaterial::default();
-                        max_distance: Some(self.gui.depth_max),
+                depth_material.max_distance = Some(self.gui.depth_max);
-                        ..DepthMaterial::default()
+                target.render_with_material(&depth_material, &self.camera, geometries, lights)
-                    };
-                    for model in &self.models {
-                        model.render_with_material(&depth_material, &self.camera, &self.lights)?;
             }
-                }
+            DebugType::ORM => target.render_with_material(
-                DebugType::ORM => {
+                &ORMMaterial::default(),
-                    for model in &self.models {
-                        model.render_with_material(
-                            &ORMMaterial::from_physical_material(&model.material),
                 &self.camera,
-                            &self.lights,
+                geometries,
-                        )?;
+                lights,
-                    }
+            ),
-                }
             DebugType::POSITION => {
-                    for model in &self.models {
                 let position_material = PositionMaterial::default();
-                        model.render_with_material(
+                target.render_with_material(&position_material, &self.camera, geometries, lights)
-                            &position_material,
+            }
+            DebugType::COLOR => target.render_with_material(
+                &ColorMaterial::default(),
                 &self.camera,
-                            &self.lights,
+                geometries,
-                        )?;
+                lights,
-                    }
+            ),
-                }
+            DebugType::NONE => target.render(
-                DebugType::UV => {
-                    for model in &self.models {
-                        let uv_material = UVMaterial::default();
-                        model.render_with_material(&uv_material, &self.camera, &self.lights)?;
-                    }
-                }
-                DebugType::COLOR => {
-                    for model in &self.models {
-                        model.render_with_material(
-                            &ColorMaterial::from_physical_material(&model.material),
                 &self.camera,
-                            &self.lights,
+                self.models.iter().flat_map(|model| model.iter()),
-                        )?;
+                lights,
-                    }
+            ),
-                }
-                DebugType::NONE => {
-                    self.pipeline
-                        .render_pass(&self.camera, &self.models, &self.lights)?
-                }
         };
+
         if self.debug_toggle.enabled {
-                self.gui.render()?;
+            target.write(|| self.gui.render());
         }
-            Ok(())
+        FrameOutput::default()
-        })?;
-        Ok(FrameOutput::default())
     }
 }

src/ui.rs

@@ -1,6 +1,17 @@
 use crate::Control;
 use three_d::egui::*;
-use three_d::{Camera, Context, DebugType, FrameInput, ThreeDResult, GUI};
+use three_d::{Camera, Context, FrameInput, GUI};
+
+#[derive(Debug, Copy, Clone, PartialEq, Eq)]
+#[allow(missing_docs)]
+pub enum DebugType {
+    POSITION,
+    NORMAL,
+    COLOR,
+    DEPTH,
+    ORM,
+    NONE,
+}
 
 pub struct DebugUI {
     ui: GUI,
@@ -13,16 +24,16 @@ pub struct DebugUI {
 }
 
 impl DebugUI {
-    pub fn new(context: &Context) -> ThreeDResult<Self> {
+    pub fn new(context: &Context) -> Self {
-        Ok(DebugUI {
+        DebugUI {
-            ui: three_d::GUI::new(context)?,
+            ui: three_d::GUI::new(context),
             shadows_enabled: false,
             directional_intensity: 1.0,
             ambient_intensity: 0.2,
             depth_max: 30.0,
             fov: 60.0,
             debug_type: DebugType::NORMAL,
-        })
+        }
     }
 
     pub fn update<C: Control>(
@@ -30,16 +41,22 @@ impl DebugUI {
         frame_input: &mut FrameInput,
         camera: &Camera,
         control: &mut C,
-    ) -> ThreeDResult<(bool, u32)> {
+    ) -> (bool, u32) {
         let mut panel_width = 0;
-        let change = self.ui.update(frame_input, |gui_context| {
+        let change = self.ui.update(
+            &mut frame_input.events,
+            frame_input.accumulated_time,
+            frame_input.viewport,
+            frame_input.device_pixel_ratio,
+            |gui_context| {
                 SidePanel::left("side_panel").show(gui_context, |ui| {
                     ui.heading("Debug Panel");
                     ui.label("  toggle panel with <`>");
 
                     ui.label("Light options");
                     ui.add(
-                    Slider::new(&mut self.ambient_intensity, 0.0..=1.0).text("Ambient intensity"),
+                        Slider::new(&mut self.ambient_intensity, 0.0..=1.0)
+                            .text("Ambient intensity"),
                     );
                     ui.add(
                         Slider::new(&mut self.directional_intensity, 0.0..=1.0)
@@ -67,12 +84,13 @@ impl DebugUI {
                     control.ui(ui);
                 });
                 panel_width = gui_context.used_size().x as u32;
-        })?;
+            },
+        );
         control.post_ui(frame_input.accumulated_time);
-        Ok((change, panel_width))
+        (change, panel_width)
     }
 
-    pub fn render(&mut self) -> ThreeDResult<()> {
+    pub fn render(&mut self) -> () {
         self.ui.render()
     }
 }