Cargo.lock

@@ -996,6 +996,15 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "fps_counter"
+version = "3.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ff23a4d90ba4b859f370ee3c12ca3b1ca80d8ee144b279e135f6852cdadd6dd6"
+dependencies = [
+ "instant",
+]
+
 [[package]]
 name = "fsevent-sys"
 version = "4.1.0"
@@ -1950,6 +1959,18 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "many-lights"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "async-std",
+ "fps_counter",
+ "lyra-engine",
+ "rand 0.8.5",
+ "tracing",
+]
+
 [[package]]
 name = "matchers"
 version = "0.1.0"

Cargo.toml

@@ -10,11 +10,12 @@ members = [
     "lyra-ecs",
     "lyra-reflect",
     "lyra-scripting",
-    "lyra-game", "lyra-math", "lyra-scene"]
+    "lyra-game", "lyra-math", "lyra-scene", "examples/many-lights"]
 
 [features]
 scripting = ["dep:lyra-scripting"]
 lua_scripting = ["scripting", "lyra-scripting/lua"]
+tracy = ["lyra-game/tracy"]
 
 [dependencies]
 lyra-game = { path = "lyra-game" }

examples/many-lights/Cargo.toml

@@ -0,0 +1,19 @@
+[package]
+name = "many-lights"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+lyra-engine = { path = "../../", features = ["tracy"] }
+anyhow = "1.0.75"
+async-std = "1.12.0"
+tracing = "0.1.37"
+rand = "0.8.5"
+fps_counter = "3.0.0"
+
+[target.x86_64-unknown-linux-gnu]
+linker = "/usr/bin/clang"
+rustflags = ["-Clink-arg=-fuse-ld=lld", "-Clink-arg=-Wl,--no-rosegment"]
+
+[profile.release]
+debug = true

examples/many-lights/src/main.rs

@@ -0,0 +1,189 @@
+use lyra_engine::{assets::{gltf::Gltf, ResourceManager}, ecs::query::{Res, ResMut, View}, game::Game, input::{Action, ActionHandler, ActionKind, ActionMapping, ActionMappingId, ActionSource, InputActionPlugin, KeyCode, LayoutId, MouseAxis, MouseInput}, math::{self, Quat, Transform, Vec3}, render::light::{directional::DirectionalLight, PointLight}, scene::{CameraComponent, FreeFlyCamera, FreeFlyCameraPlugin, ACTLBL_LOOK_LEFT_RIGHT, ACTLBL_LOOK_ROLL, ACTLBL_LOOK_UP_DOWN, ACTLBL_MOVE_FORWARD_BACKWARD, ACTLBL_MOVE_LEFT_RIGHT, ACTLBL_MOVE_UP_DOWN}, DeltaTime};
+use rand::Rng;
+use tracing::info;
+
+const MAX_POINT_LIGHT_RANGE: f32 = 1.0;
+const MIN_POINT_LIGHT_RANGE: f32 = 0.5;
+const POINT_LIGHT_MAX_INTENSITY: f32 = 1.0;
+const POINT_LIGHT_MIN_INTENSITY: f32 = 0.3;
+const POINT_LIGHT_CUBE_SCALE: f32 = 0.2;
+const POINT_LIGHT_NUM: u32 = 500;
+
+const POINT_LIGHT_MAX_X: f32 = 9.0;
+const POINT_LIGHT_MIN_X: f32 = -9.0;
+
+const POINT_LIGHT_MAX_Y: f32 = 3.0;
+const POINT_LIGHT_MIN_Y: f32 = 0.5;
+
+const POINT_LIGHT_MAX_Z: f32 = 4.0;
+const POINT_LIGHT_MIN_Z: f32 = -5.0;
+
+#[async_std::main]
+async fn main() {
+
+    let action_handler_plugin = |game: &mut Game| {
+        let action_handler = ActionHandler::builder()
+            .add_layout(LayoutId::from(0))
+            
+            .add_action(ACTLBL_MOVE_FORWARD_BACKWARD, Action::new(ActionKind::Axis))
+            .add_action(ACTLBL_MOVE_LEFT_RIGHT, Action::new(ActionKind::Axis))
+            .add_action(ACTLBL_MOVE_UP_DOWN, Action::new(ActionKind::Axis))
+            .add_action(ACTLBL_LOOK_LEFT_RIGHT, Action::new(ActionKind::Axis))
+            .add_action(ACTLBL_LOOK_UP_DOWN, Action::new(ActionKind::Axis))
+            .add_action(ACTLBL_LOOK_ROLL, Action::new(ActionKind::Axis))
+            .add_action("Debug", Action::new(ActionKind::Button))
+
+            .add_mapping(ActionMapping::builder(LayoutId::from(0), ActionMappingId::from(0))
+                .bind(ACTLBL_MOVE_FORWARD_BACKWARD, &[
+                    ActionSource::Keyboard(KeyCode::W).into_binding_modifier(1.0),
+                    ActionSource::Keyboard(KeyCode::S).into_binding_modifier(-1.0)
+                ])
+                .bind(ACTLBL_MOVE_LEFT_RIGHT, &[
+                    ActionSource::Keyboard(KeyCode::A).into_binding_modifier(-1.0),
+                    ActionSource::Keyboard(KeyCode::D).into_binding_modifier(1.0)
+                ])
+                .bind(ACTLBL_MOVE_UP_DOWN, &[
+                    ActionSource::Keyboard(KeyCode::C).into_binding_modifier(1.0),
+                    ActionSource::Keyboard(KeyCode::Z).into_binding_modifier(-1.0)
+                ])
+                .bind(ACTLBL_LOOK_LEFT_RIGHT, &[
+                    ActionSource::Mouse(MouseInput::Axis(MouseAxis::X)).into_binding(),
+                    ActionSource::Keyboard(KeyCode::Left).into_binding_modifier(-1.0),
+                    ActionSource::Keyboard(KeyCode::Right).into_binding_modifier(1.0),
+                ])
+                .bind(ACTLBL_LOOK_UP_DOWN, &[
+                    ActionSource::Mouse(MouseInput::Axis(MouseAxis::Y)).into_binding(),
+                    ActionSource::Keyboard(KeyCode::Up).into_binding_modifier(-1.0),
+                    ActionSource::Keyboard(KeyCode::Down).into_binding_modifier(1.0),
+                ])
+                .bind(ACTLBL_LOOK_ROLL, &[
+                    ActionSource::Keyboard(KeyCode::E).into_binding_modifier(-1.0),
+                    ActionSource::Keyboard(KeyCode::Q).into_binding_modifier(1.0),
+                ])
+                .bind("Debug", &[
+                    ActionSource::Keyboard(KeyCode::B).into_binding(),
+                ])
+                .finish()
+            ).finish();
+
+        let world = game.world_mut();
+        world.add_resource(action_handler);
+        game.with_plugin(InputActionPlugin);
+    };
+
+    Game::initialize().await
+        .with_plugin(lyra_engine::DefaultPlugins)
+        .with_plugin(setup_scene_plugin)
+        .with_plugin(action_handler_plugin)
+        .with_plugin(camera_debug_plugin)
+        .with_plugin(FreeFlyCameraPlugin)
+        .run().await;
+}
+
+fn setup_scene_plugin(game: &mut Game) {
+    let fps_counter = |mut counter: ResMut<fps_counter::FPSCounter>, delta: Res<DeltaTime>| -> anyhow::Result<()> {
+        let tick = counter.tick();
+
+        info!("FPS: {}, frame time: {}", tick, **delta);
+
+        Ok(())
+    };
+    game.with_system("fps_counter", fps_counter, &[]);
+
+    let world = game.world_mut();
+    world.add_resource(fps_counter::FPSCounter::new());
+
+    let resman = world.get_resource_mut::<ResourceManager>();
+    let cube_gltf = resman.request::<Gltf>("../assets/texture-sep/texture-sep.gltf").unwrap();
+
+    cube_gltf.wait_recurse_dependencies_load();
+    let cube_mesh = &cube_gltf.data_ref()
+        .unwrap().meshes[0];
+
+    let sponza_model = resman.request::<Gltf>("../assets/sponza/Sponza.gltf").unwrap();
+    drop(resman);
+
+    sponza_model.wait_recurse_dependencies_load();
+    let sponza_scene = &sponza_model.data_ref()
+        .unwrap().scenes[0];
+
+    world.spawn((
+        sponza_scene.clone(),
+        Transform::from_xyz(0.0, 0.0, 0.0),
+    ));
+
+    {
+        let mut light_tran = Transform::from_xyz(1.5, 2.5, 0.0);
+        light_tran.scale = Vec3::new(0.5, 0.5, 0.5);
+        light_tran.rotate_x(math::Angle::Degrees(-45.0));
+        light_tran.rotate_y(math::Angle::Degrees(25.0));
+        world.spawn((
+            DirectionalLight {
+                enabled: true,
+                color: Vec3::ONE,
+                intensity: 0.15
+                //..Default::default()
+            },
+            light_tran,
+        ));
+    }
+
+    let x_range = POINT_LIGHT_MIN_X..POINT_LIGHT_MAX_X;
+    let y_range = POINT_LIGHT_MIN_Y..POINT_LIGHT_MAX_Y;
+    let z_range = POINT_LIGHT_MIN_Z..POINT_LIGHT_MAX_Z;
+
+    let mut rand = rand::thread_rng();
+    let mut rand_vec3 = || -> Vec3 {
+        let x = rand.gen_range(x_range.clone());
+        let y = rand.gen_range(y_range.clone());
+        let z = rand.gen_range(z_range.clone());
+
+        Vec3::new(x, y, z)
+    };
+
+    let mut rand = rand::thread_rng();
+    for _ in 0..POINT_LIGHT_NUM {
+        let range = rand.gen_range(MIN_POINT_LIGHT_RANGE..MAX_POINT_LIGHT_RANGE);
+        let intensity = rand.gen_range(POINT_LIGHT_MIN_INTENSITY..POINT_LIGHT_MAX_INTENSITY);
+        let color = rand_vec3().normalize();
+
+        world.spawn((
+            PointLight {
+                enabled: true,
+                color,
+                intensity,
+                range,
+                ..Default::default()
+            },
+            Transform::new(
+                rand_vec3(),
+                Quat::IDENTITY,
+                Vec3::new(POINT_LIGHT_CUBE_SCALE, POINT_LIGHT_CUBE_SCALE, POINT_LIGHT_CUBE_SCALE),
+            ),
+            cube_mesh.clone(),
+        ));
+    }
+
+    let mut camera = CameraComponent::new_3d();
+    // these values were taken by manually positioning the camera in the scene.
+    camera.transform = Transform::new(
+        Vec3::new(-10.0, 0.94, -0.28), 
+        Quat::from_xyzw(0.03375484, -0.7116095, 0.0342693, 0.70092666), 
+        Vec3::ONE
+    );
+    world.spawn(( camera, FreeFlyCamera::default() ));
+}
+
+fn camera_debug_plugin(game: &mut Game) {
+    let sys = |handler: Res<ActionHandler>, view: View<&mut CameraComponent>| -> anyhow::Result<()> {
+        if handler.was_action_just_pressed("Debug") {
+            for mut cam in view.into_iter() {
+                cam.debug = !cam.debug;
+            }
+        }
+
+        Ok(())
+    };
+
+    game.with_system("camera_debug_trigger", sys, &[]);
+}

lyra-game/src/game.rs

@@ -349,7 +349,7 @@ impl Game {
                 .with(fmt::layer().with_writer(stdout_layer));
 
             #[cfg(feature = "tracy")]
-            t.with(tracing_tracy::TracyLayer::default());
+            let t = t.with(tracing_tracy::TracyLayer::default());
 
             t.with(filter::Targets::new()
                     // done by prefix, so it includes all lyra subpackages

lyra-game/src/render/renderer.rs

@@ -458,6 +458,10 @@ impl Renderer for BasicRenderer {
                             && mesh_epoch == last_epoch {
                         self.check_mesh_buffers(entity, &mesh_han);
                     }
+
+                    if self.transform_buffers.needs_expand() {
+                        self.transform_buffers.expand_buffers(&self.device);
+                    }
                     
                     let group = TransformGroup::EntityRes(entity, mesh_han.uuid());
                     let transform_id = self.transform_buffers.update_or_push(&self.queue, &self.render_limits,
@@ -492,6 +496,10 @@ impl Renderer for BasicRenderer {
                                 self.check_mesh_buffers(entity, &mesh_han);
                             }
 
+                            if self.transform_buffers.needs_expand() {
+                                self.transform_buffers.expand_buffers(&self.device);
+                            }
+
                             let scene_mesh_group = TransformGroup::Res(scene_han.uuid(), mesh_han.uuid());
                             let group = TransformGroup::OwnedGroup(entity, scene_mesh_group.into());
                             let transform_id = self.transform_buffers.update_or_push(&self.queue, &self.render_limits,

lyra-game/src/render/transform_buffer_storage.rs

@@ -370,6 +370,13 @@ impl TransformBuffers {
     pub fn buffer_offset(&self, transform_index: TransformIndex) -> u32 {
         Self::get_buffer_offset(&self.limits, transform_index)
     }
+
+    /// Returns a boolean indicating if the buffers need to be expanded
+    pub fn needs_expand(&self) -> bool {
+        self.entries.last()
+            .map(|entry| entry.len >= self.max_transform_count)
+            .unwrap_or(false)
+    }
 }
 
 #[repr(C)]

lyra-game/src/stage.rs

@@ -1,7 +1,7 @@
 use std::{hash::{Hash, DefaultHasher, Hasher}, collections::{HashMap, HashSet, VecDeque}, ptr::NonNull, fmt::Debug};
 
 use lyra_ecs::{system::{GraphExecutor, GraphExecutorError, System}, World};
-use tracing::info_span;
+use tracing::{info_span, instrument};
 
 #[derive(thiserror::Error, Debug)]
 pub enum StagedExecutorError {
@@ -112,6 +112,7 @@ impl StagedExecutor {
     /// Execute the staged systems in order.
     /// 
     /// If `stop_on_error` is false but errors are encountered, those errors will be returned in a Vec.
+    #[instrument(skip(self, world, stop_on_error))]
     pub fn execute(&mut self, world: NonNull<World>, stop_on_error: bool) -> Result<Vec<StagedExecutorError>, StagedExecutorError> {
         let mut stack = VecDeque::new();
         let mut visited = HashSet::new();
@@ -120,13 +121,14 @@ impl StagedExecutor {
             self.topological_sort(&mut stack, &mut visited, node)?;
         }
 
-        let stage_span = info_span!("stage_exec", stage=tracing::field::Empty);
+        //let stage_span = info_span!("stage_exec", stage=tracing::field::Empty);
 
         let mut errors = vec![];
         while let Some(node) = stack.pop_front() {
             let stage = self.stages.get_mut(&node).unwrap();
 
-            stage_span.record("stage", stage.name.clone());
+            let stage_span = info_span!("stage_exec", stage=stage.name.clone());
+            //stage_span.record("stage", stage.name.clone());
             let _e = stage_span.enter();
 
             if let Err(e) = stage.exec.execute(world, stop_on_error) {