fix clippy

crates/bevy_app/src/ci_testing.rs

@@ -1,7 +1,6 @@
-use serde::Deserialize;
-
-use crate::{app::AppExit, AppBuilder};
+use crate::app::{App, AppExit};
 use bevy_ecs::system::IntoSystem;
+use serde::Deserialize;
 
 /// Configuration for automated testing on CI
 #[derive(Deserialize)]
@@ -23,16 +22,15 @@ fn ci_testing_exit_after(
     *current_frame += 1;
 }
 
-pub(crate) fn setup_app(app_builder: &mut AppBuilder) -> &mut AppBuilder {
+pub(crate) fn setup_app(app: &mut App) -> &mut App {
     let filename =
         std::env::var("CI_TESTING_CONFIG").unwrap_or_else(|_| "ci_testing_config.ron".to_string());
     let config: CiTestingConfig = ron::from_str(
         &std::fs::read_to_string(filename).expect("error reading CI testing configuration file"),
     )
     .expect("error deserializing CI testing configuration file");
-    app_builder
-        .insert_resource(config)
+    app.insert_resource(config)
         .add_system(ci_testing_exit_after.system());
 
-    app_builder
+    app
 }

crates/bevy_ecs/src/entity/mod.rs

@@ -428,6 +428,11 @@ impl Entities {
 
     /// Allocates space for entities previously reserved with `reserve_entity` or
     /// `reserve_entities`, then initializes each one using the supplied function.
+    ///
+    /// # Safety
+    /// Flush _must_ set the entity location to the correct ArchetypeId for the given Entity
+    /// each time init is called. This _can_ be ArchetypeId::invalid(), provided the Entity has
+    /// not been assigned to an Archetype.
     pub unsafe fn flush(&mut self, mut init: impl FnMut(Entity, &mut EntityLocation)) {
         let free_cursor = self.free_cursor.get_mut();
         let current_free_cursor = *free_cursor;

crates/bevy_window/src/raw_window_handle.rs

@@ -15,7 +15,7 @@ impl RawWindowHandleWrapper {
     /// have constraints on where/how this handle can be used. For example, some platforms don't support doing window
     /// operations off of the main thread. The caller must ensure the [`RawWindowHandle`] is only used in valid contexts.
     pub unsafe fn get_handle(&self) -> HasRawWindowHandleWrapper {
-        HasRawWindowHandleWrapper(self.0.clone())
+        HasRawWindowHandleWrapper(self.0)
     }
 }
 
@@ -32,6 +32,6 @@ pub struct HasRawWindowHandleWrapper(RawWindowHandle);
 // SAFE: the caller has validated that this is a valid context to get RawWindowHandle
 unsafe impl HasRawWindowHandle for HasRawWindowHandleWrapper {
     fn raw_window_handle(&self) -> RawWindowHandle {
-        self.0.clone()
+        self.0
     }
 }

crates/crevice/crevice-derive/src/lib.rs

@@ -246,11 +246,7 @@ impl EmitOptions {
 
         // For testing purposes, we can optionally generate type layout
         // information using the type-layout crate.
-        let type_layout_derive = if cfg!(feature = "test_type_layout") {
-            quote!(#[derive(::type_layout::TypeLayout)])
-        } else {
-            quote!()
-        };
+        let type_layout_derive = quote!();
 
         quote! {
             #[allow(non_snake_case)]

crates/crevice/src/lib.rs

@@ -1,3 +1,5 @@
+#![allow(clippy::all)]
+
 /*!
 [![GitHub CI Status](https://github.com/LPGhatguy/crevice/workflows/CI/badge.svg)](https://github.com/LPGhatguy/crevice/actions)
 [![crevice on crates.io](https://img.shields.io/crates/v/crevice.svg)](https://crates.io/crates/crevice)

examples/2d/sprite.rs

@@ -9,7 +9,7 @@ fn main() {
 
 fn setup(
     mut commands: Commands,
-    asset_server: Res<AssetServer>,
+    _asset_server: Res<AssetServer>,
     // mut materials: ResMut<Assets<ColorMaterial>>,
 ) {
     // let texture_handle = asset_server.load("branding/icon.png");

examples/tools/bevymark_pipelined.rs

@@ -13,7 +13,7 @@ use bevy::{
 use rand::Rng;
 
 const BIRDS_PER_SECOND: u32 = 10000;
-const BASE_COLOR: Color = Color::rgb(5.0, 5.0, 5.0);
+const _BASE_COLOR: Color = Color::rgb(5.0, 5.0, 5.0);
 const GRAVITY: f32 = -9.8 * 100.0;
 const MAX_VELOCITY: f32 = 750.;
 const BIRD_SCALE: f32 = 0.15;
@@ -66,8 +66,8 @@ struct BirdTexture(Handle<Image>);
 
 fn setup(
     mut commands: Commands,
-    window: Res<WindowDescriptor>,
-    mut counter: ResMut<BevyCounter>,
+    _window: Res<WindowDescriptor>,
+    _counter: ResMut<BevyCounter>,
     asset_server: Res<AssetServer>,
 ) {
     // spawn_birds(&mut commands, &window, &mut counter, 10);
@@ -129,7 +129,7 @@ fn setup(
 #[allow(clippy::too_many_arguments)]
 fn mouse_handler(
     mut commands: Commands,
-    asset_server: Res<AssetServer>,
+    _asset_server: Res<AssetServer>,
     time: Res<Time>,
     mouse_button_input: Res<Input<MouseButton>>,
     window: Res<WindowDescriptor>,

pipelined/bevy_pbr2/src/lib.rs

@@ -19,7 +19,7 @@ use bevy_render2::{
 
 pub mod draw_3d_graph {
     pub mod node {
-        pub const SHADOW_PASS: &'static str = "shadow_pass";
+        pub const SHADOW_PASS: &str = "shadow_pass";
     }
 }
 

pipelined/bevy_pbr2/src/render/light.rs

@@ -190,7 +190,7 @@ pub fn extract_lights(
             intensity: light.intensity,
             range: light.range,
             radius: light.radius,
-            transform: transform.clone(),
+            transform: *transform,
         });
     }
 }
@@ -341,8 +341,8 @@ pub fn prepare_lights(
                 // premultiply color by intensity
                 // we don't use the alpha at all, so no reason to multiply only [0..3]
                 color: (light.color.as_rgba_linear() * light.intensity).into(),
-                radius: light.radius.into(),
-                position: light.transform.translation.into(),
+                radius: light.radius,
+                position: light.transform.translation,
                 inverse_square_range: 1.0 / (light.range * light.range),
                 near: 0.1,
                 far: light.range,
@@ -360,7 +360,7 @@ pub fn prepare_lights(
                     aspect: TextureAspect::All,
                     base_mip_level: 0,
                     mip_level_count: None,
-                    base_array_layer: 0 as u32,
+                    base_array_layer: 0,
                     array_layer_count: None,
                 });
 
@@ -412,7 +412,7 @@ impl Node for ShadowPassNode {
         world: &World,
     ) -> Result<(), NodeRunError> {
         let view_entity = graph.get_input_entity(Self::IN_VIEW)?;
-        if let Some(view_lights) = self.main_view_query.get_manual(world, view_entity).ok() {
+        if let Ok(view_lights) = self.main_view_query.get_manual(world, view_entity) {
             for view_light_entity in view_lights.lights.iter().copied() {
                 let (view_light, shadow_phase) = self
                     .view_light_query

pipelined/bevy_pbr2/src/render/mod.rs

@@ -340,10 +340,10 @@ impl FromWorld for PbrShaders {
         };
         PbrShaders {
             pipeline,
+            shader_module,
             view_layout,
             material_layout,
             mesh_layout,
-            shader_module,
             dummy_white_gpu_image,
         }
     }
@@ -466,6 +466,7 @@ fn image_handle_to_view_sampler<'a>(
     )
 }
 
+#[allow(clippy::too_many_arguments)]
 pub fn queue_meshes(
     mut commands: Commands,
     draw_functions: Res<DrawFunctions>,
@@ -488,7 +489,7 @@ pub fn queue_meshes(
 ) {
     let mesh_meta = mesh_meta.into_inner();
 
-    if view_meta.uniforms.len() == 0 {
+    if view_meta.uniforms.is_empty() {
         return;
     }
 

pipelined/bevy_render2/src/camera/mod.rs

@@ -80,7 +80,7 @@ fn extract_cameras(
                     },
                     ExtractedView {
                         projection: camera.projection_matrix,
-                        transform: transform.clone(),
+                        transform: *transform,
                         width: window.physical_width(),
                         height: window.physical_height(),
                     },

pipelined/bevy_render2/src/core_pipeline/mod.rs

@@ -26,31 +26,31 @@ use wgpu::{Extent3d, TextureDescriptor, TextureDimension, TextureFormat, Texture
 // 3. "sub graph" modules should be nested beneath their parent graph module
 
 pub mod node {
-    pub const MAIN_PASS_DEPENDENCIES: &'static str = "main_pass_dependencies";
-    pub const MAIN_PASS_DRIVER: &'static str = "main_pass_driver";
-    pub const VIEW: &'static str = "view";
+    pub const MAIN_PASS_DEPENDENCIES: &str = "main_pass_dependencies";
+    pub const MAIN_PASS_DRIVER: &str = "main_pass_driver";
+    pub const VIEW: &str = "view";
 }
 
 pub mod draw_2d_graph {
-    pub const NAME: &'static str = "draw_2d";
+    pub const NAME: &str = "draw_2d";
     pub mod input {
-        pub const VIEW_ENTITY: &'static str = "view_entity";
-        pub const RENDER_TARGET: &'static str = "render_target";
+        pub const VIEW_ENTITY: &str = "view_entity";
+        pub const RENDER_TARGET: &str = "render_target";
     }
     pub mod node {
-        pub const MAIN_PASS: &'static str = "main_pass";
+        pub const MAIN_PASS: &str = "main_pass";
     }
 }
 
 pub mod draw_3d_graph {
-    pub const NAME: &'static str = "draw_3d";
+    pub const NAME: &str = "draw_3d";
     pub mod input {
-        pub const VIEW_ENTITY: &'static str = "view_entity";
-        pub const RENDER_TARGET: &'static str = "render_target";
-        pub const DEPTH: &'static str = "depth";
+        pub const VIEW_ENTITY: &str = "view_entity";
+        pub const RENDER_TARGET: &str = "render_target";
+        pub const DEPTH: &str = "depth";
     }
     pub mod node {
-        pub const MAIN_PASS: &'static str = "main_pass";
+        pub const MAIN_PASS: &str = "main_pass";
     }
 }
 

pipelined/bevy_render2/src/mesh/mesh/mod.rs

@@ -493,6 +493,13 @@ impl Indices {
             Indices::U32(vec) => vec.len(),
         }
     }
+
+    pub fn is_empty(&self) -> bool {
+        match self {
+            Indices::U16(vec) => vec.is_empty(),
+            Indices::U32(vec) => vec.is_empty(),
+        }
+    }
 }
 enum IndicesIter<'a> {
     U16(std::slice::Iter<'a, u16>),

pipelined/bevy_render2/src/render_graph/context.rs

@@ -65,7 +65,7 @@ impl<'a> RenderGraphContext<'a> {
         let label = label.into();
         match self.get_input(label.clone())? {
             SlotValue::TextureView(value) => Ok(value),
-            value @ _ => Err(InputSlotError::MismatchedSlotType {
+            value => Err(InputSlotError::MismatchedSlotType {
                 label,
                 actual: value.slot_type(),
                 expected: SlotType::TextureView,
@@ -80,7 +80,7 @@ impl<'a> RenderGraphContext<'a> {
         let label = label.into();
         match self.get_input(label.clone())? {
             SlotValue::Sampler(value) => Ok(value),
-            value @ _ => Err(InputSlotError::MismatchedSlotType {
+            value => Err(InputSlotError::MismatchedSlotType {
                 label,
                 actual: value.slot_type(),
                 expected: SlotType::Sampler,
@@ -92,7 +92,7 @@ impl<'a> RenderGraphContext<'a> {
         let label = label.into();
         match self.get_input(label.clone())? {
             SlotValue::Buffer(value) => Ok(value),
-            value @ _ => Err(InputSlotError::MismatchedSlotType {
+            value => Err(InputSlotError::MismatchedSlotType {
                 label,
                 actual: value.slot_type(),
                 expected: SlotType::Buffer,
@@ -104,7 +104,7 @@ impl<'a> RenderGraphContext<'a> {
         let label = label.into();
         match self.get_input(label.clone())? {
             SlotValue::Entity(value) => Ok(*value),
-            value @ _ => Err(InputSlotError::MismatchedSlotType {
+            value => Err(InputSlotError::MismatchedSlotType {
                 label,
                 actual: value.slot_type(),
                 expected: SlotType::Entity,
@@ -122,7 +122,7 @@ impl<'a> RenderGraphContext<'a> {
         let slot_index = self
             .output_info()
             .get_slot_index(label.clone())
-            .ok_or(OutputSlotError::InvalidSlot(label.clone()))?;
+            .ok_or_else(|| OutputSlotError::InvalidSlot(label.clone()))?;
         let slot = self
             .output_info()
             .get_slot(slot_index)
@@ -147,7 +147,7 @@ impl<'a> RenderGraphContext<'a> {
         let sub_graph = self
             .graph
             .get_sub_graph(&name)
-            .ok_or(RunSubGraphError::MissingSubGraph(name.clone()))?;
+            .ok_or_else(|| RunSubGraphError::MissingSubGraph(name.clone()))?;
         if let Some(input_node) = sub_graph.input_node() {
             for (i, input_slot) in input_node.input_slots.iter().enumerate() {
                 if let Some(input_value) = inputs.get(i) {
@@ -168,10 +168,8 @@ impl<'a> RenderGraphContext<'a> {
                     });
                 }
             }
-        } else {
-            if !inputs.is_empty() {
-                return Err(RunSubGraphError::SubGraphHasNoInputs(name));
-            }
+        } else if !inputs.is_empty() {
+            return Err(RunSubGraphError::SubGraphHasNoInputs(name));
         }
 
         self.run_sub_graphs.push(RunSubGraph { name, inputs });

pipelined/bevy_render2/src/render_graph/graph.rs

@@ -194,15 +194,12 @@ impl RenderGraph {
                 let output_slot = output_node_state
                     .output_slots
                     .get_slot(output_index)
-                    .ok_or_else(|| {
-                        RenderGraphError::InvalidOutputNodeSlot(SlotLabel::Index(output_index))
-                    })?;
-                let input_slot = input_node_state
-                    .input_slots
-                    .get_slot(input_index)
-                    .ok_or_else(|| {
-                        RenderGraphError::InvalidInputNodeSlot(SlotLabel::Index(input_index))
-                    })?;
+                    .ok_or(RenderGraphError::InvalidOutputNodeSlot(SlotLabel::Index(
+                        output_index,
+                    )))?;
+                let input_slot = input_node_state.input_slots.get_slot(input_index).ok_or(
+                    RenderGraphError::InvalidInputNodeSlot(SlotLabel::Index(input_index)),
+                )?;
 
                 if let Some(Edge::SlotEdge {
                     output_node: current_output_node,

pipelined/bevy_render2/src/render_resource/uniform_vec.rs

@@ -49,6 +49,11 @@ impl<T: AsStd140> UniformVec<T> {
         self.values.len()
     }
 
+    #[inline]
+    pub fn is_empty(&self) -> bool {
+        self.values.is_empty()
+    }
+
     #[inline]
     pub fn capacity(&self) -> usize {
         self.capacity
@@ -155,6 +160,11 @@ impl<T: AsStd140> DynamicUniformVec<T> {
         self.uniform_vec.len()
     }
 
+    #[inline]
+    pub fn is_empty(&self) -> bool {
+        self.uniform_vec.is_empty()
+    }
+
     #[inline]
     pub fn capacity(&self) -> usize {
         self.uniform_vec.capacity()

pipelined/bevy_render2/src/texture/image.rs

@@ -57,8 +57,10 @@ impl Image {
             data.len(),
             "Pixel data, size and format have to match",
         );
-        let mut image = Self::default();
-        image.data = data;
+        let mut image = Self {
+            data,
+            ..Default::default()
+        };
         image.texture_descriptor.dimension = dimension;
         image.texture_descriptor.size = size;
         image.texture_descriptor.format = format;

pipelined/bevy_sprite2/src/render/mod.rs

@@ -212,7 +212,7 @@ pub fn prepare_sprites(
     extracted_sprites: Res<ExtractedSprites>,
 ) {
     // dont create buffers when there are no sprites
-    if extracted_sprites.sprites.len() == 0 {
+    if extracted_sprites.sprites.is_empty() {
         return;
     }
 
@@ -277,6 +277,7 @@ pub fn prepare_sprites(
     sprite_meta.indices.write_to_staging_buffer(&render_device);
 }
 
+#[allow(clippy::too_many_arguments)]
 pub fn queue_sprites(
     draw_functions: Res<DrawFunctions>,
     render_device: Res<RenderDevice>,
@@ -287,7 +288,7 @@ pub fn queue_sprites(
     gpu_images: Res<RenderAssets<Image>>,
     mut views: Query<&mut RenderPhase<Transparent2dPhase>>,
 ) {
-    if view_meta.uniforms.len() == 0 {
+    if view_meta.uniforms.is_empty() {
         return;
     }