# Objective
- Add a helper for storage buffers similar to `UniformVec`
## Solution
- Add a `StorageBuffer<T, U>` where `T` is the main body of the shader struct without any final variable-sized array member, and `U` is the type of the items in a variable-sized array.
- Use `()` as the type for unwanted parts, e.g. `StorageBuffer<(), Vec4>::default()` would construct a binding that would work with `struct MyType { data: array<vec4<f32>>; }` in WGSL and `StorageBuffer<MyType, ()>::default()` would work with `struct MyType { ... }` in WGSL as long as there are no variable-sized arrays.
- Std430 requires that there is at most one variable-sized array in a storage buffer, that if there is one it is the last member of the binding, and that it has at least one item. `StorageBuffer` handles all of these constraints.
Add support for removing nodes, edges, and subgraphs. This enables live re-wiring of the render graph.
This was something I did to support the MSAA implementation, but it turned out to be unnecessary there. However, it is still useful so here it is in its own PR.
Co-authored-by: Carter Anderson <mcanders1@gmail.com>
# Objective
make bevy ecs a lil bit less unsound
## Solution
yeet unsound API `World::components_mut`:
```rust
use bevy_ecs::prelude::*;
#[derive(Component)]
struct Foo(u8);
#[derive(Debug, Component)]
struct Bar([u8; 100]);
fn main() {
let mut world = World::new();
let e = world.spawn().insert(Foo(0)).id();
*world.components_mut() = Default::default();
let bar = world.entity_mut(e).remove::<Bar>().unwrap();
// oopsies reading memory copied from outside allocation
dbg!(bar);
}
```
## Objective
There recently was a discussion on Discord about a possible test case for stress-testing transform hierarchies.
## Solution
Create a test case for stress testing transform propagation.
*Edit:* I have scrapped my previous example and built something more functional and less focused on visuals.
There are three test setups:
- `TestCase::Tree` recursively creates a tree with a specified depth and branch width
- `TestCase::NonUniformTree` is the same as `Tree` but omits nodes in a way that makes the tree "lean" towards one side, like this:
<details>
<summary></summary>
</details>
- `TestCase::Humanoids` creates one or more separate hierarchies based on the structure of common humanoid rigs
- this can both insert `active` and `inactive` instances of the human rig
It's possible to parameterize which parts of the hierarchy get updated (transform change) and which remain unchanged. This is based on @james7132 suggestion:
There's a probability to decide which entities should remain static. On top of that these changes can be limited to a certain range in the hierarchy (min_depth..max_depth).
# Objective
- Users occasionally ask about the latest supported Rust version.
- Fixes#288 (kinda).
## Solution
- We use "latest stable release".
- Document this information in the README.
# Objective
When loading a gltf scene with a camera, bevy will panic at ``thread 'main' panicked at 'scene contains the unregistered type `bevy_render:📷:bundle::Camera3d`. consider registering the type using `app.register_type::<T>()`', /home/jakob/dev/rust/contrib/bevy/bevy/crates/bevy_scene/src/scene_spawner.rs:332:35``.
## Solution
Register the camera types to fix the panic.
# Objective
As described in #4257, registering an Event twice would cause some systems to miss events on some starts, since the event buffer is cleared + swapped multiple times.
Fixes#4257
## Solution
A simple check whether the event is already registered is added, making adding an Event a second time a no-op.
# Objective
- Fixes#4208
## Solution
- Adds a check before inserting into an `Input`'s `just_released` set, in the same way that one exists for adding into the `just_pressed` set.
# Objective
The [glTF spec](8e798b02d2/specification/2.0/Specification.adoc (395-double-sided)) the `doubleSided` has the following to say about the `doubleSided` boolean:
> When this value is false, back-face culling is enabled, i.e., only front-facing triangles are rendered.
> When this value is true, back-face culling is disabled and double sided lighting is enabled. The back-face MUST have its normals reversed before the lighting equation is evaluated.
## Solution
Disable backface culling when `doubleSided: true`.
# Objective
- The Breakout example has a lot of configurable constant values for setup, but these are buried in the source code.
- Magic numbers scattered in the source code are hard to follow.
- Providing constants up front makes tweaking examples very approachable.
## Solution
- Move magic numbers into constants
## Context
Part of the changes made in #2094; split out for easier review.
# Objective
- Allow quick and easy testing of scenes
## Solution
- Add a `scene-viewer` tool based on `load_gltf`.
- Run it with e.g. `cargo run --release --example scene_viewer --features jpeg -- ../some/path/assets/models/Sponza/glTF/Sponza.gltf#Scene0`
- Configure the asset path as pointing to the repo root for convenience (paths specified relative to current working directory)
- Copy over the camera controller from the `shadow_biases` example
- Support toggling the light animation
- Support toggling shadows
- Support adjusting the directional light shadow projection (cascaded shadow maps will remove the need for this later)
I don't want to do too much on it up-front. Rather we can add features over time as we need them.
# Objective
- Make visible how much time is spent building the Opaque3d, AlphaMask3d, and Transparent3d passes
## Solution
- Add a `trace` feature to `bevy_core_pipeline`
- Add tracy spans around the three passes
- I didn't do this for shadows, sprites, etc as they are only one pass in the node. Perhaps it should be split into 3 nodes to allow insertion of other nodes between...?
This reverts commit 08ef2f0a28.
# Objective
- #4225 was merged without considering the licensing considerations.
- It merges in code taken from https://github.com/cart/ecs_bench_suite/tree/bevy-benches/src/bevy.
- We can safely assume that we do have a license to cart's contributions. However, these build upon 377e96e69a, for which we have no license.
- This has been verified by looking in the Cargo.toml, the root folder and the readme, none of which mention a license. Additionally, the string "license" [doesn't appear](https://github.com/rust-gamedev/ecs_bench_suite/search?q=license) in the repository.
- This means the code is all rights reserved.
- (The author of these commits also hasn't commented in #2373, though even if they had, it would be legally *dubious* to rely on that to license any code they ever wrote)
- (Note that the latest commit on the head at https://github.com/rust-gamedev/ecs_bench_suite hasn't had a license added either.)
- We are currently incorrectly claiming to be able to give an MIT/Apache 2.0 license to this code.
## Solution
- Revert it
# Objective
Better benchmarking for ECS. Fix#2062.
## Solution
Port @cart's fork of ecs_bench_suite to the official bench suite for bevy_ecs, replace cgmath with glam, update to latest bevy.
# Objective
- Reduce time spent in the `check_visibility` system
## Solution
- Use `Vec3A` for all bounding volume types to leverage SIMD optimisations and to avoid repeated runtime conversions from `Vec3` to `Vec3A`
- Inline all bounding volume intersection methods
- Add on-the-fly calculated `Aabb` -> `Sphere` and do `Sphere`-`Frustum` intersection tests before `Aabb`-`Frustum` tests. This is faster for `many_cubes` but could be slower in other cases where the sphere test gives a false-positive that the `Aabb` test discards. Also, I tested precalculating the `Sphere`s and inserting them alongside the `Aabb` but this was slower.
- Do not test meshes against the far plane. Apparently games don't do this anymore with infinite projections, and it's one fewer plane to test against. I made it optional and still do the test for culling lights but that is up for discussion.
- These collectively reduce `check_visibility` execution time in `many_cubes -- sphere` from 2.76ms to 1.48ms and increase frame rate from ~42fps to ~44fps
Tracing added support for "inline span entering", which cuts down on a lot of complexity:
```rust
let span = info_span!("my_span").entered();
```
This adapts our code to use this pattern where possible, and updates our docs to recommend it.
This produces equivalent tracing behavior. Here is a side by side profile of "before" and "after" these changes.
# Objective
Context: [Discord Discussion](https://discord.com/channels/691052431525675048/745355529777315850/950532143325519902)
Improve the PR template by adding "Changelog" and "Migration Guide" sections. These sections should hopefully help speed up the review/merge process, as well as help make release notes and migration guides.
## Solution
Added the "Changelog" section template which suggests listing out the changes of the PR. This also acts as a sort of tl;dr for reviewers (especially for larger PRs).
Added the "Migration Guide" section template which suggests describing how a user might need to migrate their codebase to account for the changes by the PR. This also helps authors/contributors keep the end-user in mind when adding or changing the API.
Both sections are optional— an author does not _need_ to fill these out. Hopefully they will, though, as it provides a handful of really great benefits.
Co-authored-by: MrGVSV <49806985+MrGVSV@users.noreply.github.com>
# Objective
- Make the example a little easier to follow by removing unnecessary steps.
## Solution
- `Assets<Image>` will give us a handle for our render texture if we call `add()` instead of `set()`. No need to set it manually; one less thing to think about while reading the example.
# Objective
Partially address #407 by setting up automated deployments of `bevy`'s API reference to GitHub Pages.
## Solution
Set up a GitHub Actions workflow that builds the docs on every push to `main` and pushes a new commit to a `gh-pages` (or `docs` branch).
A few smaller additions to better address #407:
- A top level redirect was added to take "docs.bevyengine.org" directly to the `bevy` crate docs.
- A GitHub Pages CNAME file for supporting a publicly viewable domain instead of `github.io`
- A robots.txt file is added to disable all search engine crawlers that respect it from crawling it (avoid having conflicting Google search results)
- A .nojekyl file to speed up deployments since there is no Jekyll templating in the output.
This may require configuration of the `GITHUB_TOKEN` of the CI to successfully run this.
## Followup
For this to completely resolve#407, a subdomain of https://bevyengine.org/ needs to be set up to point to the CNAME location. This is initially set to "dev-docs.bevyengine.org".
Co-authored-by: Carter Anderson <mcanders1@gmail.com>
# Objective
- Support compressed textures including 'universal' formats (ETC1S, UASTC) and transcoding of them to
- Support `.dds`, `.ktx2`, and `.basis` files
## Solution
- Fixes https://github.com/bevyengine/bevy/issues/3608 Look there for more details.
- Note that the functionality is all enabled through non-default features. If it is desirable to enable some by default, I can do that.
- The `basis-universal` crate, used for `.basis` file support and for transcoding, is built on bindings against a C++ library. It's not feasible to rewrite in Rust in a short amount of time. There are no Rust alternatives of which I am aware and it's specialised code. In its current state it doesn't support the wasm target, but I don't know for sure. However, it is possible to build the upstream C++ library with emscripten, so there is perhaps a way to add support for web too with some shenanigans.
- There's no support for transcoding from BasisLZ/ETC1S in KTX2 files as it was quite non-trivial to implement and didn't feel important given people could use `.basis` files for ETC1S.
# Add Transform Examples
- Adding examples for moving/rotating entities (with its own section) to resolve#2400
I've stumbled upon this project and been fiddling around a little. Saw the issue and thought I might just add some examples for the proposed transformations.
Mind to check if I got the gist correctly and suggest anything I can improve?
# Objective
- Fixes#3300
- `RunSystem` is messy
## Solution
- Adds the trick theorised in https://github.com/bevyengine/bevy/issues/3300#issuecomment-991791234
P.S. I also want this for an experimental refactoring of `Assets`, to remove the duplication of `Events<AssetEvent<T>>`
Co-authored-by: Carter Anderson <mcanders1@gmail.com>
# Objective
- Hierarchy tools are not just used for `Transform`: they are also used for scenes.
- In the future there's interest in using them for other features, such as visiibility inheritance.
- The fact that these tools are found in `bevy_transform` causes a great deal of user and developer confusion
- Fixes#2758.
## Solution
- Split `bevy_transform` into two!
- Make everything work again.
Note that this is a very tightly scoped PR: I *know* there are code quality and docs issues that existed in bevy_transform that I've just moved around. We should fix those in a seperate PR and try to merge this ASAP to reduce the bitrot involved in splitting an entire crate.
## Frustrations
The API around `GlobalTransform` is a mess: we have massive code and docs duplication, no link between the two types and no clear way to extend this to other forms of inheritance.
In the medium-term, I feel pretty strongly that `GlobalTransform` should be replaced by something like `Inherited<Transform>`, which lives in `bevy_hierarchy`:
- avoids code duplication
- makes the inheritance pattern extensible
- links the types at the type-level
- allows us to remove all references to inheritance from `bevy_transform`, making it more useful as a standalone crate and cleaning up its docs
## Additional context
- double-blessed by @cart in https://github.com/bevyengine/bevy/issues/4141#issuecomment-1063592414 and https://github.com/bevyengine/bevy/issues/2758#issuecomment-913810963
- preparation for more advanced / cleaner hierarchy tools: go read https://github.com/bevyengine/rfcs/pull/53 !
- originally attempted by @finegeometer in #2789. It was a great idea, just needed more discussion!
Co-authored-by: Carter Anderson <mcanders1@gmail.com>
# Objective
- CI is giving a warning about duplicate dependency because of a differing versions between `winit` and `ahash` of https://github.com/bytecodealliance/wasi
- PRs that are mergeable look like they're not.
## Solution
- Add this crate to the list of ignored duplicates
**Problem**
- whenever you want more than one of the builtin cameras (for example multiple windows, split screen, portals), you need to add a render graph node that executes the correct sub graph, extract the camera into the render world and add the correct `RenderPhase<T>` components
- querying for the 3d camera is annoying because you need to compare the camera's name to e.g. `CameraPlugin::CAMERA_3d`
**Solution**
- Introduce the marker types `Camera3d`, `Camera2d` and `CameraUi`
-> `Query<&mut Transform, With<Camera3d>>` works
- `PerspectiveCameraBundle::new_3d()` and `PerspectiveCameraBundle::<Camera3d>::default()` contain the `Camera3d` marker
- `OrthographicCameraBundle::new_3d()` has `Camera3d`, `OrthographicCameraBundle::new_2d()` has `Camera2d`
- remove `ActiveCameras`, `ExtractedCameraNames`
- run 2d, 3d and ui passes for every camera of their respective marker
-> no custom setup for multiple windows example needed
**Open questions**
- do we need a replacement for `ActiveCameras`? What about a component `ActiveCamera { is_active: bool }` similar to `Visibility`?
Co-authored-by: Carter Anderson <mcanders1@gmail.com>
# Objective
- Make insertion of uniform components faster
## Solution
- Use batch insertion in the prepare_uniform_components system
- Improves `many_cubes -- sphere` from ~42fps to ~43fps
Co-authored-by: François <mockersf@gmail.com>
# Objective
fix cluster tilesize and tilecount calculations.
Fixes https://github.com/bevyengine/bevy/issues/4127 & https://github.com/bevyengine/bevy/issues/3596
## Solution
- calculate tilesize as smallest integers such that dimensions.xy() tiles will cover the screen
- calculate final dimensions as smallest integers such that final dimensions * tilesize will cover the screen
there is more cleanup that could be done in these functions. a future PR will likely remove the tilesize completely, so this is just a minimal change set to fix the current bug at small screen sizes
Co-authored-by: Carter Anderson <mcanders1@gmail.com>
# Objective
- Use the low power, reactive rendering settings for UI examples.
- Make the feature more discoverable by using it in an applicable context.
# Objective
Fixes#4036
## Solution
- Use `VertexBufferLayout::from_vertex_formats`
- Actually put a u32 into `ATTRIBUTE_COLOR` and convert it in the shader
I'm not 100% sure about the color stuff. It seems like `ATTRIBUTE_COLOR` has been `Uint32` this whole time, but this example previously worked with `[f32; 4]` somehow, perhaps because the vertex layout was manually specified.
Let me know if that can be improved, or feel free to close for an alternative fix.
# Objective
Lets say we need to rotate stretched object for this purpose we can created stretched `Child` and add as child to `Parent`, later we can rotate `Parent`, `Child` in this situation should rotate keeping it form, it is not the case with `SpriteBundle` currently. If you try to do it with `SpriteBundle` it will deform.
## Solution
My pull request fixes order of transformations to scale -> rotate -> translate, with this fix `SpriteBundle` behaves as expected in described rotation, without deformation. Here is quote from "Essential Mathematics for Games":
> Generally, the desired order we wish to use for these transforms is to scale first, then rotate, then translate. Scaling first gives us the scaling along the axes we expect. We can then rotate around the origin of the frame, and then translate it into place.
I'm must say when I was using `MaterialMesh2dBundle` it behaves correctly in both cases with `bevy main` and with my fix, don't know why, was not able to figure it out why there is difference.
here is code I was using for testing:
```rust
use bevy::{
prelude::*,
render::render_resource::{Extent3d, TextureDimension, TextureFormat},
sprite::{MaterialMesh2dBundle, Mesh2dHandle},
};
fn main() {
let mut app = App::new();
app.insert_resource(ClearColor(Color::rgb(0.1, 0.2, 0.3)))
.add_plugins(DefaultPlugins)
.add_startup_system(setup);
app.run();
}
fn setup(
mut commands: Commands,
mut images: ResMut<Assets<Image>>,
mut meshes: ResMut<Assets<Mesh>>,
mut materials: ResMut<Assets<ColorMaterial>>,
) {
let mut c = OrthographicCameraBundle::new_2d();
c.orthographic_projection.scale = 1.0 / 10.0;
commands.spawn_bundle(c);
// note: mesh somehow works for both variants
// let quad: Mesh2dHandle = meshes.add(Mesh::from(shape::Quad::default())).into();
// let child = commands
// .spawn_bundle(MaterialMesh2dBundle {
// mesh: quad.clone(),
// transform: Transform::from_translation(Vec3::new(0.0, 0.0, -1.0))
// .with_scale(Vec3::new(10.0, 1.0, 1.0)),
// material: materials.add(ColorMaterial::from(Color::BLACK)),
// ..Default::default()
// })
// .id();
// commands
// .spawn_bundle(MaterialMesh2dBundle {
// mesh: quad,
// transform: Transform::from_rotation(Quat::from_rotation_z(0.78))
// .with_translation(Vec3::new(0.0, 0.0, 10.0)),
// material: materials.add(ColorMaterial::from(Color::WHITE)),
// ..Default::default()
// })
// .push_children(&[child]);
let white = images.add(get_image(Color::rgb(1.0, 1.0, 1.0)));
let black = images.add(get_image(Color::rgb(0.0, 0.0, 0.0)));
let child = commands
.spawn_bundle(SpriteBundle {
texture: black,
transform: Transform::from_translation(Vec3::new(0.0, 0.0, -1.0))
.with_scale(Vec3::new(10.0, 1.0, 1.0)),
..Default::default()
})
.id();
commands
.spawn_bundle(SpriteBundle {
texture: white,
transform: Transform::from_rotation(Quat::from_rotation_z(0.78))
.with_translation(Vec3::new(0.0, 0.0, 10.0)),
..Default::default()
})
.push_children(&[child]);
}
fn get_image(color: Color) -> Image {
let mut bytes = Vec::with_capacity((1 * 1 * 4 * 4) as usize);
let color = color.as_rgba_f32();
bytes.extend(color[0].to_le_bytes());
bytes.extend(color[1].to_le_bytes());
bytes.extend(color[2].to_le_bytes());
bytes.extend(1.0_f32.to_le_bytes());
Image::new(
Extent3d {
width: 1,
height: 1,
depth_or_array_layers: 1,
},
TextureDimension::D2,
bytes,
TextureFormat::Rgba32Float,
)
}
```
here is screenshot with `bevy main` and my fix:
# Objective
provide some customisation for default cluster setup
avoid "cluster index lists is full" in all cases (using a strategy outlined by @superdump)
## Solution
Add ClusterConfig enum (which can be inserted into a view at any time) to allow specifying cluster setup with variants:
- None (do not do any light assignment - for views which do not require light info, e.g. minimaps etc)
- Single (one cluster)
- XYZ (explicit cluster counts in each dimension)
- FixedZ (most similar to current - specify Z-slices and total, then x and y counts are dynamically determined to give approximately square clusters based on current aspect ratio)
Defaults to FixedZ { total: 4096, z: 24 } which is similar to the current setup.
Per frame, estimate the number of indices that would be required for the current config and decrease the cluster counts / increase the cluster sizes in the x and y dimensions if the index list would be too small.
notes:
- I didn't put ClusterConfig in the camera bundles to avoid introducing a dependency from bevy_render to bevy_pbr. the ClusterConfig enum comes with a pbr-centric impl block so i didn't want to move that into bevy_render either.
- ~Might want to add None variant to cluster config for views that don't care about lights?~
- Not well tested for orthographic
- ~there's a cluster_muck branch on my repo which includes some diagnostics / a modified lighting example which may be useful for tyre-kicking~ (outdated, i will bring it up to date if required)
anecdotal timings:
FPS on the lighting demo is negligibly better (~5%), maybe due to a small optimisation constraining the light aabb to be in front of the camera
FPS on the lighting demo with 100 extra lights added is ~33% faster, and also renders correctly as the cluster index count is no longer exceeded
# Objective
- Fix#2163
- Allow configuration of thread pools through `DefaultTaskPoolOptions`
## Solution
- `TaskPoolThreadAssignmentPolicy` was already public but not exported. Export it.
# Objective
Fixes#4133
## Solution
Add comparisons to make sure we don't dereference `Mut<>` in the two places where `Transform` is being mutated. `GlobalTransform` implementation already works properly so fixing Transform automatically fixed that as well.
## Objective
Currently, all directional and point lights have their viewing frusta recalculated every frame, even if they have not moved or been disabled/enabled.
## Solution
The relevant systems now make use of change detection to only update those lights whose viewing frusta may have changed.
Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 1 to 3.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/actions/upload-artifact/releases">actions/upload-artifact's releases</a>.</em></p>
<blockquote>
<h2>v3.0.0</h2>
<h2>What's Changed</h2>
<ul>
<li>Update default runtime to node16 (<a href="https://github-redirect.dependabot.com/actions/upload-artifact/issues/293">#293</a>)</li>
<li>Update package-lock.json file version to 2 (<a href="https://github-redirect.dependabot.com/actions/upload-artifact/issues/302">#302</a>)</li>
</ul>
<h3>Breaking Changes</h3>
<p>With the update to Node 16, all scripts will now be run with Node 16 rather than Node 12.</p>
<h2>v2.3.1</h2>
<p>Fix for empty fails on Windows failing on upload <a href="https://github-redirect.dependabot.com/actions/upload-artifact/issues/281">#281</a></p>
<h2>v2.3.0 Upload Artifact</h2>
<ul>
<li>Optimizations for faster uploads of larger files that are already compressed</li>
<li>Significantly improved logging when there are chunked uploads</li>
<li>Clarifications in logs around the upload size and prohibited characters that aren't allowed in the artifact name or any uploaded files</li>
<li>Various other small bugfixes & optimizations</li>
</ul>
<h2>v2.2.4</h2>
<ul>
<li>Retry on HTTP 500 responses from the service</li>
</ul>
<h2>v2.2.3</h2>
<ul>
<li>Fixes for proxy related issues</li>
</ul>
<h2>v2.2.2</h2>
<ul>
<li>Improved retryability and error handling</li>
</ul>
<h2>v2.2.1</h2>
<ul>
<li>Update used actions/core package to the latest version</li>
</ul>
<h2>v2.2.0</h2>
<ul>
<li>Support for artifact retention</li>
</ul>
<h2>v2.1.4</h2>
<ul>
<li>Add Third Party License Information</li>
</ul>
<h2>v2.1.3</h2>
<ul>
<li>Use updated version of the <code>@action/artifact</code> NPM package</li>
</ul>
<h2>v2.1.2</h2>
<ul>
<li>Increase upload chunk size from 4MB to 8MB</li>
<li>Detect case insensitive file uploads</li>
</ul>
<h2>v2.1.1</h2>
<ul>
<li>Fix for certain symlinks not correctly being identified as directories before starting uploads</li>
</ul>
<h2>v2.1.0</h2>
<ul>
<li>Support for uploading artifacts with multiple paths</li>
<li>Support for using exclude paths</li>
<li>Updates to dependencies</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="6673cd052c"><code>6673cd0</code></a> Update <code>lockfileVersion</code> in <code>package-lock.json</code> (<a href="https://github-redirect.dependabot.com/actions/upload-artifact/issues/302">#302</a>)</li>
<li><a href="2244c82003"><code>2244c82</code></a> Update to node16 (<a href="https://github-redirect.dependabot.com/actions/upload-artifact/issues/293">#293</a>)</li>
<li><a href="87348cee5f"><code>87348ce</code></a> Add 503 warning when uploading to the same artifact</li>
<li><a href="82c141cc51"><code>82c141c</code></a> Bump <code>@actions/artifact</code> to version 0.6.1 (<a href="https://github-redirect.dependabot.com/actions/upload-artifact/issues/286">#286</a>)</li>
<li><a href="da838ae959"><code>da838ae</code></a> Bump <code>@actions/artifact</code> to version 0.6.0 (<a href="https://github-redirect.dependabot.com/actions/upload-artifact/issues/280">#280</a>)</li>
<li><a href="f4ac36d205"><code>f4ac36d</code></a> Improve readme (<a href="https://github-redirect.dependabot.com/actions/upload-artifact/issues/278">#278</a>)</li>
<li><a href="5f375cca4b"><code>5f375cc</code></a> Document how to correctly use environment variables for path input (<a href="https://github-redirect.dependabot.com/actions/upload-artifact/issues/274">#274</a>)</li>
<li><a href="a009a66585"><code>a009a66</code></a> Create release-new-action-version.yml (<a href="https://github-redirect.dependabot.com/actions/upload-artifact/issues/277">#277</a>)</li>
<li><a href="b9bb65708e"><code>b9bb657</code></a> Bump tmpl from 1.0.4 to 1.0.5 (<a href="https://github-redirect.dependabot.com/actions/upload-artifact/issues/250">#250</a>)</li>
<li><a href="0b3de3e43b"><code>0b3de3e</code></a> Fix <code>README.md</code> links and some formatting updates (<a href="https://github-redirect.dependabot.com/actions/upload-artifact/issues/273">#273</a>)</li>
<li>Additional commits viewable in <a href="https://github.com/actions/upload-artifact/compare/v1...v3">compare view</a></li>
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Bumps [actions/labeler](https://github.com/actions/labeler) from 3 to 4.
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<p><em>Sourced from <a href="https://github.com/actions/labeler/releases">actions/labeler's releases</a>.</em></p>
<blockquote>
<h2>v4.0.0</h2>
<ul>
<li><a href="https://github-redirect.dependabot.com/actions/labeler/pull/319"> Update to node 16 runtime</a></li>
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<h2>v3.1.0</h2>
<p>Dependency upgrades, docs updates, and behind-the-scenes maintenance.</p>
<p>See the full list of changes since 3.0.2 here: <a href="https://github.com/actions/labeler/compare/v3.0.2...v3.1.0">https://github.com/actions/labeler/compare/v3.0.2...v3.1.0</a></p>
<p>Thanks to <a href="https://github.com/GisoBartels"><code>@GisoBartels</code></a> and <a href="https://github.com/Muhammed-Rahif"><code>@Muhammed-Rahif</code></a> for their contributions!</p>
<h2>v3.0.2</h2>
<p>No API changes, but lots of behind-the-scenes upgrades, mostly to internal dependencies, tooling, and surrounding infrastructure.</p>
<h2>v3.0.1</h2>
<p>No user-facing changes.</p>
<p>That said, there were more than enough behind-the-scenes changes to warrant a new release: <a href="https://github.com/actions/labeler/compare/v3.0.0...v3.0.1">https://github.com/actions/labeler/compare/v3.0.0...v3.0.1</a></p>
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<li><a href="9fd24f1f9d"><code>9fd24f1</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/actions/labeler/issues/334">#334</a> from actions/thboop/updatetov4</li>
<li><a href="abae52fa24"><code>abae52f</code></a> Update to new v4 release</li>
<li><a href="e1132f5ed5"><code>e1132f5</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/actions/labeler/issues/319">#319</a> from actions/thboop/node16update</li>
<li><a href="b0cc574b25"><code>b0cc574</code></a> Update build_test.yml</li>
<li><a href="c48e531900"><code>c48e531</code></a> Update default runtime to node16</li>
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# Objective
- Improve documentation.
- Provide helper functions for common uses of `Windows` relating to getting the primary `Window`.
- Reduce repeated `Window` code.
# Solution
- Adds infallible `primary()` and `primary_mut()` functions with standard error text. This replaces the commonly used `get_primary().unwrap()` seen throughout bevy which has inconsistent or nonexistent error messages.
- Adds `scale_factor(WindowId)` to replace repeated code blocks throughout.
# Considerations
- The added functions can panic if the primary window does not exist.
- It is very uncommon for the primary window to not exist, as seen by the regular use of `get_primary().unwrap()`. Most users will have a single window and will need to reference the primary window in their code multiple times.
- The panic provides a consistent error message to make this class of error easy to spot from the panic text.
- This follows the established standard of short names for infallible-but-unlikely-to-panic functions in bevy.
- Removes line noise for common usage of `Windows`.
