# Objective
#11431 and #11688 implemented meshing support for Bevy's new geometric
primitives. The next step is to deprecate the shapes in
`bevy_render::mesh::shape` and to later remove them completely for 0.14.
## Solution
Deprecate the shapes and reduce code duplication by utilizing the
primitive meshing API for the old shapes where possible.
Note that some shapes have behavior that can't be exactly reproduced
with the new primitives yet:
- `Box` is more of an AABB with min/max extents
- `Plane` supports a subdivision count
- `Quad` has a `flipped` property
These types have not been changed to utilize the new primitives yet.
---
## Changelog
- Deprecated all shapes in `bevy_render::mesh::shape`
- Changed all examples to use new primitives for meshing
## Migration Guide
Bevy has previously used rendering-specific types like `UVSphere` and
`Quad` for primitive mesh shapes. These have now been deprecated to use
the geometric primitives newly introduced in version 0.13.
Some examples:
```rust
let before = meshes.add(shape::Box::new(5.0, 0.15, 5.0));
let after = meshes.add(Cuboid::new(5.0, 0.15, 5.0));
let before = meshes.add(shape::Quad::default());
let after = meshes.add(Rectangle::default());
let before = meshes.add(shape::Plane::from_size(5.0));
// The surface normal can now also be specified when using `new`
let after = meshes.add(Plane3d::default().mesh().size(5.0, 5.0));
let before = meshes.add(
Mesh::try_from(shape::Icosphere {
radius: 0.5,
subdivisions: 5,
})
.unwrap(),
);
let after = meshes.add(Sphere::new(0.5).mesh().ico(5).unwrap());
```
# Objective
Currently the `missing_docs` lint is allowed-by-default and enabled at
crate level when their documentations is complete (see #3492).
This PR proposes to inverse this logic by making `missing_docs`
warn-by-default and mark crates with imcomplete docs allowed.
## Solution
Makes `missing_docs` warn at workspace level and allowed at crate level
when the docs is imcomplete.
Rebased and finished version of
https://github.com/bevyengine/bevy/pull/8407. Huge thanks to @GitGhillie
for adjusting all the examples, and the many other people who helped
write this PR (@superdump , @coreh , among others) :)
Fixes https://github.com/bevyengine/bevy/issues/8369
---
## Changelog
- Added a `brightness` control to `Skybox`.
- Added an `intensity` control to `EnvironmentMapLight`.
- Added `ExposureSettings` and `PhysicalCameraParameters` for
controlling exposure of 3D cameras.
- Removed the baked-in `DirectionalLight` exposure Bevy previously
hardcoded internally.
## Migration Guide
- If using a `Skybox` or `EnvironmentMapLight`, use the new `brightness`
and `intensity` controls to adjust their strength.
- All 3D scene will now have different apparent brightnesses due to Bevy
implementing proper exposure controls. You will have to adjust the
intensity of your lights and/or your camera exposure via the new
`ExposureSettings` component to compensate.
---------
Co-authored-by: Robert Swain <robert.swain@gmail.com>
Co-authored-by: GitGhillie <jillisnoordhoek@gmail.com>
Co-authored-by: Marco Buono <thecoreh@gmail.com>
Co-authored-by: vero <email@atlasdostal.com>
Co-authored-by: atlas dostal <rodol@rivalrebels.com>
# Motivation
When spawning entities into a scene, it is very common to create assets
like meshes and materials and to add them via asset handles. A common
setup might look like this:
```rust
fn setup(
mut commands: Commands,
mut meshes: ResMut<Assets<Mesh>>,
mut materials: ResMut<Assets<StandardMaterial>>,
) {
commands.spawn(PbrBundle {
mesh: meshes.add(Mesh::from(shape::Cube { size: 1.0 })),
material: materials.add(StandardMaterial::from(Color::RED)),
..default()
});
}
```
Let's take a closer look at the part that adds the assets using `add`.
```rust
mesh: meshes.add(Mesh::from(shape::Cube { size: 1.0 })),
material: materials.add(StandardMaterial::from(Color::RED)),
```
Here, "mesh" and "material" are both repeated three times. It's very
explicit, but I find it to be a bit verbose. In addition to being more
code to read and write, the extra characters can sometimes also lead to
the code being formatted to span multiple lines even though the core
task, adding e.g. a primitive mesh, is extremely simple.
A way to address this is by using `.into()`:
```rust
mesh: meshes.add(shape::Cube { size: 1.0 }.into()),
material: materials.add(Color::RED.into()),
```
This is fine, but from the names and the type of `meshes`, we already
know what the type should be. It's very clear that `Cube` should be
turned into a `Mesh` because of the context it's used in. `.into()` is
just seven characters, but it's so common that it quickly adds up and
gets annoying.
It would be nice if you could skip all of the conversion and let Bevy
handle it for you:
```rust
mesh: meshes.add(shape::Cube { size: 1.0 }),
material: materials.add(Color::RED),
```
# Objective
Make adding assets more ergonomic by making `Assets::add` take an `impl
Into<A>` instead of `A`.
## Solution
`Assets::add` now takes an `impl Into<A>` instead of `A`, so e.g. this
works:
```rust
commands.spawn(PbrBundle {
mesh: meshes.add(shape::Cube { size: 1.0 }),
material: materials.add(Color::RED),
..default()
});
```
I also changed all examples to use this API, which increases consistency
as well because `Mesh::from` and `into` were being used arbitrarily even
in the same file. This also gets rid of some lines of code because
formatting is nicer.
---
## Changelog
- `Assets::add` now takes an `impl Into<A>` instead of `A`
- Examples don't use `T::from(K)` or `K.into()` when adding assets
## Migration Guide
Some `into` calls that worked previously might now be broken because of
the new trait bounds. You need to either remove `into` or perform the
conversion explicitly with `from`:
```rust
// Doesn't compile
let mesh_handle = meshes.add(shape::Cube { size: 1.0 }.into()),
// These compile
let mesh_handle = meshes.add(shape::Cube { size: 1.0 }),
let mesh_handle = meshes.add(Mesh::from(shape::Cube { size: 1.0 })),
```
## Concerns
I believe the primary concerns might be:
1. Is this too implicit?
2. Does this increase codegen bloat?
Previously, the two APIs were using `into` or `from`, and now it's
"nothing" or `from`. You could argue that `into` is slightly more
explicit than "nothing" in cases like the earlier examples where a
`Color` gets converted to e.g. a `StandardMaterial`, but I personally
don't think `into` adds much value even in this case, and you could
still see the actual type from the asset type.
As for codegen bloat, I doubt it adds that much, but I'm not very
familiar with the details of codegen. I personally value the user-facing
code reduction and ergonomics improvements that these changes would
provide, but it might be worth checking the other effects in more
detail.
Another slight concern is migration pain; apps might have a ton of
`into` calls that would need to be removed, and it did take me a while
to do so for Bevy itself (maybe around 20-40 minutes). However, I think
the fact that there *are* so many `into` calls just highlights that the
API could be made nicer, and I'd gladly migrate my own projects for it.
# Objective
The name `TextAlignment` is really deceptive and almost every new user
gets confused about the differences between aligning text with
`TextAlignment`, aligning text with `Style` and aligning text with
anchor (when using `Text2d`).
## Solution
* Rename `TextAlignment` to `JustifyText`. The associated helper methods
are also renamed.
* Improve the doc comments for text explaining explicitly how the
`JustifyText` component affects the arrangement of text.
* Add some extra cases to the `text_debug` example that demonstate the
differences between alignment using `JustifyText` and alignment using
`Style`.
<img width="757" alt="text_debug_2"
src="https://github.com/bevyengine/bevy/assets/27962798/9d53e647-93f9-4bc7-8a20-0d9f783304d2">
---
## Changelog
* `TextAlignment` has been renamed to `JustifyText`
* `TextBundle::with_text_alignment` has been renamed to
`TextBundle::with_text_justify`
* `Text::with_alignment` has been renamed to `Text::with_justify`
* The `text_alignment` field of `TextMeasureInfo` has been renamed to
`justification`
## Migration Guide
* `TextAlignment` has been renamed to `JustifyText`
* `TextBundle::with_text_alignment` has been renamed to
`TextBundle::with_text_justify`
* `Text::with_alignment` has been renamed to `Text::with_justify`
* The `text_alignment` field of `TextMeasureInfo` has been renamed to
`justification`
# Objective
- Fix adding `#![allow(clippy::type_complexity)]` everywhere. like #9796
## Solution
- Use the new [lints] table that will land in 1.74
(https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#lints)
- inherit lint to the workspace, crates and examples.
```
[lints]
workspace = true
```
## Changelog
- Bump rust version to 1.74
- Enable lints table for the workspace
```toml
[workspace.lints.clippy]
type_complexity = "allow"
```
- Allow type complexity for all crates and examples
```toml
[lints]
workspace = true
```
---------
Co-authored-by: Martín Maita <47983254+mnmaita@users.noreply.github.com>
# Objective
- Handle pausing audio when Android app is suspended
## Solution
- This is the start of application lifetime events. They are mostly
useful on mobile
- Next version of winit should add a few more
- When application is suspended, send an event to notify the
application, and run the schedule one last time before actually
suspending the app
- Audio is now suspended too 🎉https://github.com/bevyengine/bevy/assets/8672791/d74e2e09-ee29-4f40-adf2-36a0c064f94e
---------
Co-authored-by: Marco Buono <418473+coreh@users.noreply.github.com>
# Objective
- Fix#10165
- On iOS simulator on apple silicon Macs, shader validation is going
through the host, but device limits are reported for the device. They
sometimes differ, and cause the validation to crash on something that
should work
```
-[MTLDebugRenderCommandEncoder validateCommonDrawErrors:]:5775: failed assertion `Draw Errors Validation
Fragment Function(fragment_): the offset into the buffer _naga_oil_mod_MJSXM6K7OBRHEOR2NVSXG2C7OZUWK527MJUW4ZDJNZTXG_memberfog that is bound at buffer index 6 must be a multiple of 256 but was set to 448.
```
## Solution
- Add a custom flag when building for the simulator and override the
buffer alignment
# Objective
- Make sure that users can "just run" the mobile example
- Device descriptions like `iPhone SE (3rd generation)
(F647334F-D7C1-4BD6-9B5F-0E3D9713C02B) (Shutdown)` currently fail
([issue
found](https://github.com/NiklasEi/bevy_game_template/pull/61#discussion_r1269747507)
by @CleanCut)
## Solution
- Improve the script that grabs the device UUID from the device list
# Objective
- See fewer warnings when running `cargo clippy` locally.
## Solution
- allow `clippy::type_complexity` in more places, which also signals to
users they should do the same.
# Objective
- The current `EventReader::iter` has been determined to cause confusion
among new Bevy users. It was suggested by @JoJoJet to rename the method
to better clarify its usage.
- Solves #9624
## Solution
- Rename `EventReader::iter` to `EventReader::read`.
- Rename `EventReader::iter_with_id` to `EventReader::read_with_id`.
- Rename `ManualEventReader::iter` to `ManualEventReader::read`.
- Rename `ManualEventReader::iter_with_id` to
`ManualEventReader::read_with_id`.
---
## Changelog
- `EventReader::iter` has been renamed to `EventReader::read`.
- `EventReader::iter_with_id` has been renamed to
`EventReader::read_with_id`.
- `ManualEventReader::iter` has been renamed to
`ManualEventReader::read`.
- `ManualEventReader::iter_with_id` has been renamed to
`ManualEventReader::read_with_id`.
- Deprecated `EventReader::iter`
- Deprecated `EventReader::iter_with_id`
- Deprecated `ManualEventReader::iter`
- Deprecated `ManualEventReader::iter_with_id`
## Migration Guide
- Existing usages of `EventReader::iter` and `EventReader::iter_with_id`
will have to be changed to `EventReader::read` and
`EventReader::read_with_id` respectively.
- Existing usages of `ManualEventReader::iter` and
`ManualEventReader::iter_with_id` will have to be changed to
`ManualEventReader::read` and `ManualEventReader::read_with_id`
respectively.
# Objective
Fix a few issues with some of the examples:
* Root UI nodes have an implicit parent with `FlexDirection::Row` and
`AlignItems::Stretch` set. Only a width constraint is needed to fill the
viewport. Specifying ```height: Val::Percent(100.)``` is unnecessary and
can cause confusing overflow behaviour.
* The default for position and size constraint properties is
`Val::Auto`. Setting `left: Val::Auto`, `max_height: Val::Auto`, etc
does nothing.
## Solution
Delete those lines. There should be no observable differences in the
behaviours of any of the examples.
Also changed a padding setting in the `flex_layout` example to use the
`axes` helper function.
# Objective
Improve the `bevy_audio` API to make it more user-friendly and
ECS-idiomatic. This PR is a first-pass at addressing some of the most
obvious (to me) problems. In the interest of keeping the scope small,
further improvements can be done in future PRs.
The current `bevy_audio` API is very clunky to work with, due to how it
(ab)uses bevy assets to represent audio sinks.
The user needs to write a lot of boilerplate (accessing
`Res<Assets<AudioSink>>`) and deal with a lot of cognitive overhead
(worry about strong vs. weak handles, etc.) in order to control audio
playback.
Audio playback is initiated via a centralized `Audio` resource, which
makes it difficult to keep track of many different sounds playing in a
typical game.
Further, everything carries a generic type parameter for the sound
source type, making it difficult to mix custom sound sources (such as
procedurally generated audio or unofficial formats) with regular audio
assets.
Let's fix these issues.
## Solution
Refactor `bevy_audio` to a more idiomatic ECS API. Remove the `Audio`
resource. Do everything via entities and components instead.
Audio playback data is now stored in components:
- `PlaybackSettings`, `SpatialSettings`, `Handle<AudioSource>` are now
components. The user inserts them to tell Bevy to play a sound and
configure the initial playback parameters.
- `AudioSink`, `SpatialAudioSink` are now components instead of special
magical "asset" types. They are inserted by Bevy when it actually begins
playing the sound, and can be queried for by the user in order to
control the sound during playback.
Bundles: `AudioBundle` and `SpatialAudioBundle` are available to make it
easy for users to play sounds. Spawn an entity with one of these bundles
(or insert them to a complex entity alongside other stuff) to play a
sound.
Each entity represents a sound to be played.
There is also a new "auto-despawn" feature (activated using
`PlaybackSettings`), which, if enabled, tells Bevy to despawn entities
when the sink playback finishes. This allows for "fire-and-forget" sound
playback. Users can simply
spawn entities whenever they want to play sounds and not have to worry
about leaking memory.
## Unsolved Questions
I think the current design is *fine*. I'd be happy for it to be merged.
It has some possibly-surprising usability pitfalls, but I think it is
still much better than the old `bevy_audio`. Here are some discussion
questions for things that we could further improve. I'm undecided on
these questions, which is why I didn't implement them. We should decide
which of these should be addressed in this PR, and what should be left
for future PRs. Or if they should be addressed at all.
### What happens when sounds start playing?
Currently, the audio sink components are inserted and the bundle
components are kept. Should Bevy remove the bundle components? Something
else?
The current design allows an entity to be reused for playing the same
sound with the same parameters repeatedly. This is a niche use case I'd
like to be supported, but if we have to give it up for a simpler design,
I'd be fine with that.
### What happens if users remove any of the components themselves?
As described above, currently, entities can be reused. Removing the
audio sink causes it to be "detached" (I kept the old `Drop` impl), so
the sound keeps playing. However, if the audio bundle components are not
removed, Bevy will detect this entity as a "queued" sound entity again
(has the bundle compoenents, without a sink component), just like before
playing the sound the first time, and start playing the sound again.
This behavior might be surprising? Should we do something different?
### Should mutations to `PlaybackSettings` be applied to the audio sink?
We currently do not do that. `PlaybackSettings` is just for the initial
settings when the sound starts playing. This is clearly documented.
Do we want to keep this behavior, or do we want to allow users to use
`PlaybackSettings` instead of `AudioSink`/`SpatialAudioSink` to control
sounds during playback too?
I think I prefer for them to be kept separate. It is not a bad mental
model once you understand it, and it is documented.
### Should `AudioSink` and `SpatialAudioSink` be unified into a single
component type?
They provide a similar API (via the `AudioSinkPlayback` trait) and it
might be annoying for users to have to deal with both of them. The
unification could be done using an enum that is matched on internally by
the methods. Spatial audio has extra features, so this might make it
harder to access. I think we shouldn't.
### Automatic synchronization of spatial sound properties from
Transforms?
Should Bevy automatically apply changes to Transforms to spatial audio
entities? How do we distinguish between listener and emitter? Which one
does the transform represent? Where should the other one come from?
Alternatively, leave this problem for now, and address it in a future
PR. Or do nothing, and let users deal with it, as shown in the
`spatial_audio_2d` and `spatial_audio_3d` examples.
---
## Changelog
Added:
- `AudioBundle`/`SpatialAudioBundle`, add them to entities to play
sounds.
Removed:
- The `Audio` resource.
- `AudioOutput` is no longer `pub`.
Changed:
- `AudioSink`, `SpatialAudioSink` are now components instead of assets.
## Migration Guide
// TODO: write a more detailed migration guide, after the "unsolved
questions" are answered and this PR is finalized.
Before:
```rust
/// Need to store handles somewhere
#[derive(Resource)]
struct MyMusic {
sink: Handle<AudioSink>,
}
fn play_music(
asset_server: Res<AssetServer>,
audio: Res<Audio>,
audio_sinks: Res<Assets<AudioSink>>,
mut commands: Commands,
) {
let weak_handle = audio.play_with_settings(
asset_server.load("music.ogg"),
PlaybackSettings::LOOP.with_volume(0.5),
);
// upgrade to strong handle and store it
commands.insert_resource(MyMusic {
sink: audio_sinks.get_handle(weak_handle),
});
}
fn toggle_pause_music(
audio_sinks: Res<Assets<AudioSink>>,
mymusic: Option<Res<MyMusic>>,
) {
if let Some(mymusic) = &mymusic {
if let Some(sink) = audio_sinks.get(&mymusic.sink) {
sink.toggle();
}
}
}
```
Now:
```rust
/// Marker component for our music entity
#[derive(Component)]
struct MyMusic;
fn play_music(
mut commands: Commands,
asset_server: Res<AssetServer>,
) {
commands.spawn((
AudioBundle::from_audio_source(asset_server.load("music.ogg"))
.with_settings(PlaybackSettings::LOOP.with_volume(0.5)),
MyMusic,
));
}
fn toggle_pause_music(
// `AudioSink` will be inserted by Bevy when the audio starts playing
query_music: Query<&AudioSink, With<MyMusic>>,
) {
if let Ok(sink) = query.get_single() {
sink.toggle();
}
}
```
# Objective
The current mobile example produces an APK of 1.5 Gb.
- Running the example on a real device takes significant time (around
one minute just to copy the file over USB to my phone).
- Default virtual devices in Android studio run out of space after the
first install. This can of course be solved/configured, but it causes
unnecessary friction.
- One impression could be, that Bevy produces bloated APKs. 1.5Gb is
even double the size of debug builds for desktop examples.
## Solution
- Strip the debug symbols of the shared libraries before they are copied
to the APK
APK size after this change: 200Mb
Copy time on my machine: ~8s
## Considered alternative
APKs built in release mode are only 50Mb in size, but require setting up
signing for the profile and compile longer.
# Objective
- Have a default font
## Solution
- Add a font based on FiraMono containing only ASCII characters and use
it as the default font
- It is behind a feature `default_font` enabled by default
- I also updated examples to use it, but not UI examples to still show
how to use a custom font
---
## Changelog
* If you display text without using the default handle provided by
`TextStyle`, the text will be displayed
# Objective
- Test mobile example on real devices
## Solution
- Use [BrowserStack](https://www.browserstack.com) to have access to
[real
devices](https://www.browserstack.com/list-of-browsers-and-platforms/app_automate)
- [App Automate](https://www.browserstack.com/app-automate) to run the
example
- [App Percy](https://www.browserstack.com/app-percy) to compare the
screenshot
- Added a daily/manual CI job that will build for iOS and Android, send
the apps to BrowserStack, run the app on one iOS device and one Android
device, capture a screenshot, send it for visual validation, and archive
it in the GitHub action
Example run: https://github.com/mockersf/bevy/actions/runs/4521883534
They currently have a bug with the settings to view snapshots, they
should be public. I'll raise it to them, and if they don't fix it in
time it's possible to work around for everyone to view the results
through their API.
@cart to get this to work, you'll need
- to set up an account on BrowserStack
- add the secrets `BROWSERSTACK_USERNAME` and `BROWSERSTACK_ACCESS_KEY`
to the Bevy repo
- create a project in Percy
- add the secret `PERCY_TOKEN` to the Bevy repo and modify the project
name line 122 in the `Daily.yml` file
# Objective
There was issue #191 requesting subdivisions on the shape::Plane.
I also could have used this recently. I then write the solution.
Fixes #191
## Solution
I changed the shape::Plane to include subdivisions field and the code to create the subdivisions. I don't know how people are counting subdivisions so as I put in the doc comments 0 subdivisions results in the original geometry of the Plane.
Greater then 0 results in the number of lines dividing the plane.
I didn't know if it would be better to create a new struct that implemented this feature, say SubdivisionPlane or change Plane. I decided on changing Plane as that was what the original issue was.
It would be trivial to alter this to use another struct instead of altering Plane.
The issues of migration, although small, would be eliminated if a new struct was implemented.
## Changelog
### Added
Added subdivisions field to shape::Plane
## Migration Guide
All the examples needed to be updated to initalize the subdivisions field.
Also there were two tests in tests/window that need to be updated.
A user would have to update all their uses of shape::Plane to initalize the subdivisions field.
# Objective
- Merge the examples on iOS and Android
- Make sure they both work from the same code
## Solution
- don't create window when not in an active state (from #6830)
- exit on suspend on Android (from #6830)
- automatically enable dependency feature of bevy_audio on android so that it works out of the box
- don't inverse y position of touch events
- reuse the same example for both Android and iOS
Fixes#4616Fixes#4103Fixes#3648Fixes#3458Fixes#3249Fixes#86
