# Objective
- Followup to #15675
- Add an example showcasing the functions
## Solution
- Add an example showcasing the functions
- Some of the functions from the interpolation crate are messed up,
fixed in #15706
---------
Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
Co-authored-by: Joona Aalto <jondolf.dev@gmail.com>
# Objective
- Rename `Pickable` to `PickingBehavior` to counter the easily-made
assumption that the component is required. It is optional
- Fix and clarify documentation
- The docs in `crates/bevy_ui/src/picking_backend.rs` were incorrect
about the necessity of `Pickable`
- Plus two minor code quality changes in this commit
(7c2e75f48d)
Closes#15632
# Objective
Bevy supports feature gates for each format it supports, but several
formats that it loads via the `image` crate do not have feature gates.
Additionally, the QOI format is supported by the `image` crate and
wasn't available at all. This fixes that.
## Solution
The following feature gates are added:
* `avif`
* `ff` (Farbfeld)
* `gif`
* `ico`
* `qoi`
* `tiff`
None of these formats are enabled by default, despite the fact that all
these formats appeared to be enabled by default before. Since
`default-features` was disabled for the `image` crate, it's likely that
using any of these formats would have errored by default before this
change, although this probably needs additional testing.
## Testing
The changes seemed minimal enough that a compile test would be
sufficient.
## Migration guide
Image formats that previously weren't feature-gated are now
feature-gated, meaning they will have to be enabled if you use them:
* `avif`
* `ff` (Farbfeld)
* `gif`
* `ico`
* `tiff`
Additionally, the `qoi` feature has been added to support loading QOI
format images.
Previously, these formats appeared in the enum by default, but weren't
actually enabled via the `image` crate, potentially resulting in weird
bugs. Now, you should be able to add these features to your projects to
support them properly.
Currently, it's possible for the `collect_meshes_for_gpu_building`
system to run after `set_mesh_motion_vector_flags`. This will cause
those motion vector flags to be overwritten, which will cause the shader
to ignore the motion vectors for skinned meshes, which will cause
graphical artifacts.
This patch corrects the issue by forcing `set_mesh_motion_vector_flags`
to run after `collect_meshes_for_gpu_building`.
# Objective
The current `QueryData` derive panics when it encounters an error.
Additionally, it doesn't provide the clearest error message:
```rust
#[derive(QueryData)]
#[query_data(mut)]
struct Foo {
// ...
}
```
```
error: proc-macro derive panicked
--> src/foo.rs:16:10
|
16 | #[derive(QueryData)]
| ^^^^^^^^^
|
= help: message: Invalid `query_data` attribute format
```
## Solution
Updated the derive logic to not panic and gave a bit more detail in the
error message.
This is makes the error message just a bit clearer and maintains the
correct span:
```
error: invalid attribute, expected `mutable` or `derive`
--> src/foo.rs:17:14
|
17 | #[query_data(mut)]
| ^^^
```
## Testing
You can test locally by running the following in
`crates/bevy_ecs/compile_fail`:
```
cargo test --target-dir ../../../target
```
# Objective
Migrate `bevy_picking` to the required components API
## Solution
- Made `PointerId` require `PointerLocation`, `PointerPress`, and
`PointerInteraction`
- Removed `PointerBundle`
- Removed all engine uses of `PointerBundle`
- Added convenience constructor `PointerLocation::new(location:
Location)`
## Testing
- ran unit tests
- ran `sprite_picking` example, everything seemed fine.
## Migration Guide
This API hasn't shipped yet, so I didn't bother with a deprecation.
However, for any crates tracking main the changes are as follows:
Previous api:
```rs
commands.insert(PointerBundle::new(PointerId::Mouse));
commands.insert(PointerBundle::new(PointerId::Mouse).with_location(location));
```
New api:
```rs
commands.insert(PointerId::Mouse);
commands.insert((PointerId::Mouse, PointerLocation::new(location)));
```
# Objective
After merging retained rendering world #15320, we now have a good way of
creating a link between worlds (*HIYAA intensifies*). This means that
`get_or_spawn` is no longer necessary for that function. Entity should
be opaque as the warning above `get_or_spawn` says. This is also part of
#15459.
I'm deprecating `get_or_spawn_batch` in a different PR in order to keep
the PR small in size.
## Solution
Deprecate `get_or_spawn` and replace it with `get_entity` in most
contexts. If it's possible to query `&RenderEntity`, then the entity is
synced and `render_entity.id()` is initialized in the render world.
## Migration Guide
If you are given an `Entity` and you want to do something with it, use
`Commands.entity(...)` or `World.entity(...)`. If instead you want to
spawn something use `Commands.spawn(...)` or `World.spawn(...)`. If you
are not sure if an entity exists, you can always use `get_entity` and
match on the `Option<...>` that is returned.
---------
Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
# Objective
- Followup for #14788
- Support most usual ease function
## Solution
- Use the crate
[`interpolation`](https://docs.rs/interpolation/0.3.0/interpolation/trait.Ease.html)
which has them all
- it's already used by bevy_easings, bevy_tweening, be_tween,
bevy_tweening_captured, bevy_enoki, kayak_ui in the Bevy ecosystem for
various easing/tweening/interpolation
# Objective
- Working with hierarchies in Bevy is far too tedious due to a lack of
helper functions.
- This is the first half of #15609.
## Solution
Extend
[`HierarchyQueryExt`](https://docs.rs/bevy/latest/bevy/hierarchy/trait.HierarchyQueryExt)
with the following methods:
- `parent`
- `children`
- `root_parent`
- `iter_leaves`
- `iter_siblings`
- `iter_descendants_depth_first`
I've opted to make both `iter_leaves` and `iter_siblings` collect the
list of matching Entities for now, rather that operate by reference like
the existing `iter_descendants`. This was simpler, and in the case of
`iter_siblings` especially, the number of matching entities is likely to
be much smaller.
I've kept the generics in the type signature however, so we can go back
and optimize that freely without a breaking change whenever we want.
## Testing
I've added some basic testing, but they're currently failing. If you'd
like to help, I'd welcome suggestions or a PR to my PR over the weekend
<3
---------
Co-authored-by: Viktor Gustavsson <villor94@gmail.com>
Co-authored-by: poopy <gonesbird@gmail.com>
Co-authored-by: Christian Hughes <9044780+ItsDoot@users.noreply.github.com>
# Objective
Following the pattern established in #15593, we can reduce the API
surface of `World` by providing a single function to grab both a
singular entity reference, or multiple entity references.
## Solution
The following functions can now also take multiple entity IDs and will
return multiple entity references back:
- `World::entity`
- `World::get_entity`
- `World::entity_mut`
- `World::get_entity_mut`
- `DeferredWorld::entity_mut`
- `DeferredWorld::get_entity_mut`
If you pass in X, you receive Y:
- give a single `Entity`, receive a single `EntityRef`/`EntityWorldMut`
(matches current behavior)
- give a `[Entity; N]`/`&[Entity; N]` (array), receive an equally-sized
`[EntityRef; N]`/`[EntityMut; N]`
- give a `&[Entity]` (slice), receive a
`Vec<EntityRef>`/`Vec<EntityMut>`
- give a `&EntityHashSet`, receive a
`EntityHashMap<EntityRef>`/`EntityHashMap<EntityMut>`
Note that `EntityWorldMut` is only returned in the single-entity case,
because having multiple at the same time would lead to UB. Also,
`DeferredWorld` receives an `EntityMut` in the single-entity case
because it does not allow structural access.
## Testing
- Added doc-tests on `World::entity`, `World::entity_mut`, and
`DeferredWorld::entity_mut`
- Added tests for aliased mutability and entity existence
---
## Showcase
<details>
<summary>Click to view showcase</summary>
The APIs for fetching `EntityRef`s and `EntityMut`s from the `World`
have been unified.
```rust
// This code will be referred to by subsequent code blocks.
let world = World::new();
let e1 = world.spawn_empty().id();
let e2 = world.spawn_empty().id();
let e3 = world.spawn_empty().id();
```
Querying for a single entity remains mostly the same:
```rust
// 0.14
let eref: EntityRef = world.entity(e1);
let emut: EntityWorldMut = world.entity_mut(e1);
let eref: Option<EntityRef> = world.get_entity(e1);
let emut: Option<EntityWorldMut> = world.get_entity_mut(e1);
// 0.15
let eref: EntityRef = world.entity(e1);
let emut: EntityWorldMut = world.entity_mut(e1);
let eref: Result<EntityRef, Entity> = world.get_entity(e1);
let emut: Result<EntityWorldMut, Entity> = world.get_entity_mut(e1);
```
Querying for multiple entities with an array has changed:
```rust
// 0.14
let erefs: [EntityRef; 2] = world.many_entities([e1, e2]);
let emuts: [EntityMut; 2] = world.many_entities_mut([e1, e2]);
let erefs: Result<[EntityRef; 2], Entity> = world.get_many_entities([e1, e2]);
let emuts: Result<[EntityMut; 2], QueryEntityError> = world.get_many_entities_mut([e1, e2]);
// 0.15
let erefs: [EntityRef; 2] = world.entity([e1, e2]);
let emuts: [EntityMut; 2] = world.entity_mut([e1, e2]);
let erefs: Result<[EntityRef; 2], Entity> = world.get_entity([e1, e2]);
let emuts: Result<[EntityMut; 2], EntityFetchError> = world.get_entity_mut([e1, e2]);
```
Querying for multiple entities with a slice has changed:
```rust
let ids = vec![e1, e2, e3]);
// 0.14
let erefs: Result<Vec<EntityRef>, Entity> = world.get_many_entities_dynamic(&ids[..]);
let emuts: Result<Vec<EntityMut>, QueryEntityError> = world.get_many_entities_dynamic_mut(&ids[..]);
// 0.15
let erefs: Result<Vec<EntityRef>, Entity> = world.get_entity(&ids[..]);
let emuts: Result<Vec<EntityMut>, EntityFetchError> = world.get_entity_mut(&ids[..]);
let erefs: Vec<EntityRef> = world.entity(&ids[..]); // Newly possible!
let emuts: Vec<EntityMut> = world.entity_mut(&ids[..]); // Newly possible!
```
Querying for multiple entities with an `EntityHashSet` has changed:
```rust
let set = EntityHashSet::from_iter([e1, e2, e3]);
// 0.14
let emuts: Result<Vec<EntityMut>, QueryEntityError> = world.get_many_entities_from_set_mut(&set);
// 0.15
let emuts: Result<EntityHashMap<EntityMut>, EntityFetchError> = world.get_entity_mut(&set);
let erefs: Result<EntityHashMap<EntityRef>, EntityFetchError> = world.get_entity(&set); // Newly possible!
let emuts: EntityHashMap<EntityMut> = world.entity_mut(&set); // Newly possible!
let erefs: EntityHashMap<EntityRef> = world.entity(&set); // Newly possible!
```
</details>
## Migration Guide
- `World::get_entity` now returns `Result<_, Entity>` instead of
`Option<_>`.
- Use `world.get_entity(..).ok()` to return to the previous behavior.
- `World::get_entity_mut` and `DeferredWorld::get_entity_mut` now return
`Result<_, EntityFetchError>` instead of `Option<_>`.
- Use `world.get_entity_mut(..).ok()` to return to the previous
behavior.
- Type inference for `World::entity`, `World::entity_mut`,
`World::get_entity`, `World::get_entity_mut`,
`DeferredWorld::entity_mut`, and `DeferredWorld::get_entity_mut` has
changed, and might now require the input argument's type to be
explicitly written when inside closures.
- The following functions have been deprecated, and should be replaced
as such:
- `World::many_entities` -> `World::entity::<[Entity; N]>`
- `World::many_entities_mut` -> `World::entity_mut::<[Entity; N]>`
- `World::get_many_entities` -> `World::get_entity::<[Entity; N]>`
- `World::get_many_entities_dynamic` -> `World::get_entity::<&[Entity]>`
- `World::get_many_entities_mut` -> `World::get_entity_mut::<[Entity;
N]>`
- The equivalent return type has changed from `Result<_,
QueryEntityError>` to `Result<_, EntityFetchError>`
- `World::get_many_entities_dynamic_mut` ->
`World::get_entity_mut::<&[Entity]>1
- The equivalent return type has changed from `Result<_,
QueryEntityError>` to `Result<_, EntityFetchError>`
- `World::get_many_entities_from_set_mut` ->
`World::get_entity_mut::<&EntityHashSet>`
- The equivalent return type has changed from `Result<Vec<EntityMut>,
QueryEntityError>` to `Result<EntityHashMap<EntityMut>,
EntityFetchError>`. If necessary, you can still convert the
`EntityHashMap` into a `Vec`.
# Objective
If you want to draw / generate images from the CPU, such as:
- to create procedurally-generated assets
- for games whose artstyle is best implemented by poking pixels directly
from the CPU, instead of using shaders
It is currently very unergonomic to do in Bevy, because you have to deal
with the raw bytes inside `image.data`, take care of the pixel format,
etc.
## Solution
This PR adds some helper methods to `Image` for pixel manipulation.
These methods allow you to use Bevy's user-friendly `Color` struct to
read and write the colors of pixels, at arbitrary coordinates (specified
as `UVec3` to support any texture dimension). They handle
encoding/decoding to the `Image`s `TextureFormat`, incl. any sRGB
conversion.
While we are at it, also add methods to help with direct access to the
raw bytes. It is now easy to compute the offset where the bytes of a
specific pixel coordinate are found, or to just get a Rust slice to
access them.
Caveat: `Color` roundtrips are obviously going to be lossy for non-float
`TextureFormat`s. Using `set_color_at` followed by `get_color_at` will
return a different value, due to the data conversions involved (such as
`f32` -> `u8` -> `f32` for the common `Rgba8UnormSrgb` texture format).
Be careful when comparing colors (such as checking for a color you wrote
before)!
Also adding a new example: `cpu_draw` (under `2d`), to showcase these
new APIs.
---
## Changelog
### Added
- `Image` APIs for easy access to the colors of specific pixels.
---------
Co-authored-by: Pascal Hertleif <killercup@gmail.com>
Co-authored-by: François <mockersf@gmail.com>
Co-authored-by: ltdk <usr@ltdk.xyz>
Updates the requirements on
[sysinfo](https://github.com/GuillaumeGomez/sysinfo) to permit the
latest version.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/GuillaumeGomez/sysinfo/blob/master/CHANGELOG.md">sysinfo's
changelog</a>.</em></p>
<blockquote>
<h1>0.32.0</h1>
<ul>
<li>Add new <code>Disk::is_read_only</code> API.</li>
<li>Add new <code>remove_dead_processes</code> argument to
<code>System::refresh_processes</code> and
<code>System::refresh_processes_specifics</code>.</li>
<li>macOS: Fix memory leak in disk refresh.</li>
</ul>
<h1>0.31.4</h1>
<ul>
<li>macOS: Force memory cleanup in disk list retrieval.</li>
</ul>
<h1>0.31.3</h1>
<ul>
<li>Raspberry Pi: Fix temperature retrieval.</li>
</ul>
<h1>0.31.2</h1>
<ul>
<li>Remove <code>bstr</code> dependency (needed for rustc
development).</li>
</ul>
<h1>0.31.1</h1>
<ul>
<li>Downgrade version of <code>memchr</code> (needed for rustc
development).</li>
</ul>
<h1>0.31.0</h1>
<ul>
<li>Split crate in features to only enable what you need.</li>
<li>Remove <code>System::refresh_process</code>,
<code>System::refresh_process_specifics</code> and
<code>System::refresh_pids</code>
methods.</li>
<li>Add new argument of type <code>ProcessesToUpdate</code> to
<code>System::refresh_processes</code> and
<code>System::refresh_processes_specifics</code> methods.</li>
<li>Add new <code>NetworkData::ip_networks</code> method.</li>
<li>Add new <code>System::refresh_cpu_list</code> method.</li>
<li>Global CPU now only contains CPU usage.</li>
<li>Rename <code>TermalSensorType</code> to
<code>ThermalSensorType</code>.</li>
<li>Process names is now an <code>OsString</code>.</li>
<li>Remove <code>System::global_cpu_info</code>.</li>
<li>Add <code>System::global_cpu_usage</code>.</li>
<li>macOS: Fix invalid CPU computation when single processes are
refreshed one after the other.</li>
<li>Windows: Fix virtual memory computation.</li>
<li>Windows: Fix WoW64 parent process refresh.</li>
<li>Linux: Retrieve RSS (Resident Set Size) memory for cgroups.</li>
</ul>
<h1>0.30.13</h1>
<ul>
<li>macOS: Fix segfault when calling
<code>Components::refresh_list</code> multiple times.</li>
<li>Windows: Fix CPU arch retrieval.</li>
</ul>
<h1>0.30.12</h1>
<ul>
<li>FreeBSD: Fix network interfaces retrieval (one was always
missing).</li>
</ul>
<h1>0.30.11</h1>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="e022ae4fd1"><code>e022ae4</code></a>
Merge pull request <a
href="https://redirect.github.com/GuillaumeGomez/sysinfo/issues/1354">#1354</a>
from GuillaumeGomez/update</li>
<li><a
href="0c5ca6af60"><code>0c5ca6a</code></a>
Update migration guide for 0.32</li>
<li><a
href="9f14cba660"><code>9f14cba</code></a>
Update crate version to 0.32.0</li>
<li><a
href="eb7f147b27"><code>eb7f147</code></a>
Update CHANGELOG for 0.32.0</li>
<li><a
href="9c86e253dd"><code>9c86e25</code></a>
Fix new clippy lints</li>
<li><a
href="2fb2903272"><code>2fb2903</code></a>
Merge pull request <a
href="https://redirect.github.com/GuillaumeGomez/sysinfo/issues/1353">#1353</a>
from GuillaumeGomez/rm-dead-processes</li>
<li><a
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Update <code>System::refresh_processes</code> API to give control over
when to remove de...</li>
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Merge pull request <a
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from kevinbaker/master</li>
<li><a
href="6d5ea97ade"><code>6d5ea97</code></a>
add dependency on windows SystemServices for disk</li>
<li><a
href="1c87f50f1c"><code>1c87f50</code></a>
win: add correct location of FILE_READ_ONLY_VOLUME, correct call</li>
<li>Additional commits viewable in <a
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</ul>
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# Objective
Fix a couple of substantial errors found during the development of
#15665:
- `AnimationCurveEvaluator::add` was secretly unreachable. In other
words, additive blending never actually occurred.
- Weights from the animation graph nodes were ignored, and only
`ActiveAnimation`'s weights were used.
## Solution
Made additive blending reachable and included the graph node weight in
the weight of the stack elements appended in the curve application loop
of `animate_targets`.
## Testing
Tested on existing examples and on the new example added in #15665.
Bumps [crate-ci/typos](https://github.com/crate-ci/typos) from 1.24.6 to
1.25.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/crate-ci/typos/releases">crate-ci/typos's
releases</a>.</em></p>
<blockquote>
<h2>v1.25.0</h2>
<h2>[1.25.0] - 2024-10-01</h2>
<h3>Fixes</h3>
<ul>
<li>Updated the dictionary with the <a
href="https://redirect.github.com/crate-ci/typos/issues/1107">September
2024</a> changes</li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/crate-ci/typos/blob/master/CHANGELOG.md">crate-ci/typos's
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<blockquote>
<h2>[1.25.0] - 2024-10-01</h2>
<h3>Fixes</h3>
<ul>
<li>Updated the dictionary with the <a
href="https://redirect.github.com/crate-ci/typos/issues/1107">September
2024</a> changes</li>
</ul>
</blockquote>
</details>
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chore: Release</li>
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chore: Update from _rust template</li>
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<li><a
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chore: Ensure pre-commit gets non-system Python</li>
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# Objective
I completely forgot that animation events are triggered in two separate
systems (sorry). The issue ~~fixed~~ by #15677, can still happen if the
animation event is not targeting a specific bone.
## Solution
_Realy_ don't trigger animation events for paused animations.
Wayland only supports pre-multiplied alpha. Behavior on X11 seems
unchanged.
# Objective
- Fix#10929 on wayland.
## Solution
- Request pre-multiplied alpha.
## Testing
- Ran the example locally.
# Objective
Pausing the `animated_fox` example perfectly as one of the feet hits the
ground causes the event to be triggered every frame.
Context: #15538
## Solution
Don't trigger animation events if the animation is paused.
## Testing
Ran the example, I no longer see the issue.
# Objective
- `bevy_render` should not depend on `bevy_winit`
- Fixes#15565
## Solution
- `bevy_render` no longer depends on `bevy_winit`
- The following is behind the `custom_cursor` feature
- Move custom cursor code from `bevy_render` to `bevy_winit` behind the
`custom_cursor` feature
- `bevy_winit` now depends on `bevy_render` (for `Image` and
`TextureFormat`)
- `bevy_winit` now depends on `bevy_asset` (for `Assets`, `Handle` and
`AssetId`)
- `bevy_winit` now depends on `bytemuck` (already in tree)
- Custom cursor code in `bevy_winit` reworked to use `AssetId` (other
than that it is taken over 1:1)
- Rework `bevy_winit` custom cursor interface visibility now that the
logic is all contained in `bevy_winit`
## Testing
- I ran the screenshot and window_settings examples
- Tested on linux wayland so far
---
## Migration Guide
`CursorIcon` and `CustomCursor` previously provided by
`bevy::render::view::cursor` is now available from `bevy::winit`.
A new feature `custom_cursor` enables this functionality (default
feature).
# Objective
- bevy_render is gargantuan
## Solution
- Split out bevy_mesh
## Testing
- Ran some examples, everything looks fine
## Migration Guide
`bevy_render::mesh::morph::inherit_weights` is now
`bevy_render::mesh::inherit_weights`
if you were using `Mesh::compute_aabb`, you will need to `use
bevy_render::mesh::MeshAabb;` now
---------
Co-authored-by: Joona Aalto <jondolf.dev@gmail.com>
# Objective
- fulfill the needs presented in this issue, which requires the ability
to set custom HTTP headers for responses in the Bevy Remote Protocol
server. #15551
## Solution
- Created a `Headers` struct to store custom HTTP headers as key-value
pairs.
- Added a `headers` field to the `RemoteHttpPlugin` struct.
- Implemented a `with_headers` method in `RemoteHttpPlugin` to allow
users to set custom headers.
- Passed the headers into the processing chain.
## Testing
- I added cors_headers in example/remote/server.rs and tested it with a
static html
[file](https://github.com/spacemen0/bevy/blob/test_file/test.html)
---
# Objective
Add support for events that can be triggered from animation clips. This
is useful when you need something to happen at a specific time in an
animation. For example, playing a sound every time a characters feet
hits the ground when walking.
Closes#15494
## Solution
Added a new field to `AnimationClip`: `events`, which contains a list of
`AnimationEvent`s. These are automatically triggered in
`animate_targets` and `trigger_untargeted_animation_events`.
## Testing
Added a couple of tests and example (`animation_events.rs`) to make sure
events are triggered when expected.
---
## Showcase
`Events` need to also implement `AnimationEvent` and `Reflect` to be
used with animations.
```rust
#[derive(Event, AnimationEvent, Reflect)]
struct SomeEvent;
```
Events can be added to an `AnimationClip` by specifying a time and
event.
```rust
// trigger an event after 1.0 second
animation_clip.add_event(1.0, SomeEvent);
```
And optionally, providing a target id.
```rust
let id = AnimationTargetId::from_iter(["shoulder", "arm", "hand"]);
animation_clip.add_event_to_target(id, 1.0, HandEvent);
```
I modified the `animated_fox` example to show off the feature.
---------
Co-authored-by: Matty <weatherleymatthew@gmail.com>
Co-authored-by: Chris Biscardi <chris@christopherbiscardi.com>
Co-authored-by: François Mockers <francois.mockers@vleue.com>
# Objective
I noticed a weird break in a doc comment, I assume it must be a typo.
## Solution
Put the missing doc comment in there.
## Testing
It looks better in my IDE now
# Objective
Add a background colour to each text node in the `text_debug` example to
visualize their bounds.
## Showcase
<img width="961" alt="deb"
src="https://github.com/user-attachments/assets/deec3e15-b0f0-411f-9af1-597587ac2a83">
In the bottom right you can see the empty space at the bottom of the
text node, making it much more obvious that there is a bug causing the
size of the bounds to be calculated incorrectly.
# Objective
Fixes#13832
## Solution
Additively blend quaternions like this:
```rust
rotation = Quat::slerp(Quat::IDENTITY, incoming_rotation, weight) * rotation;
```
## Testing
Ran `animation_masks`, which behaves the same as before. (In the context
of an animation being blended only onto the base pose, there is no
difference.)
We should create some examples that actually exercise more of the
capabilities of the `AnimationGraph` so that issues like this can become
more visible in general. (On the other hand, I'm quite certain this was
wrong before.)
## Migration Guide
This PR changes the implementation of `Quat: Animatable`, which was not
used internally by Bevy prior to this release version. If you relied on
the old behavior of additive quaternion blending in manual applications,
that code will have to be updated, as the old behavior was incorrect.
# Objective
Yet another PR for migrating stuff to required components. This time,
cameras!
## Solution
As per the [selected
proposal](https://hackmd.io/tsYID4CGRiWxzsgawzxG_g#Combined-Proposal-1-Selected),
deprecate `Camera2dBundle` and `Camera3dBundle` in favor of `Camera2d`
and `Camera3d`.
Adding a `Camera` without `Camera2d` or `Camera3d` now logs a warning,
as suggested by Cart [on
Discord](https://discord.com/channels/691052431525675048/1264881140007702558/1291506402832945273).
I would personally like cameras to work a bit differently and be split
into a few more components, to avoid some footguns and confusing
semantics, but that is more controversial, and shouldn't block this core
migration.
## Testing
I ran a few 2D and 3D examples, and tried cameras with and without
render graphs.
---
## Migration Guide
`Camera2dBundle` and `Camera3dBundle` have been deprecated in favor of
`Camera2d` and `Camera3d`. Inserting them will now also insert the other
components required by them automatically.
# Objective
Fixes#15617
## Solution
The original author confirmed it was not intentional that both these
methods exist.
They do the same, one has the better implementation and the other the
better name.
## Testing
I just ran the unit tests of the module.
---
## Migration Guide
- Change usages of `Events::oldest_id` to `Events::oldest_event_count`
- If `Events::oldest_id` was used to get the actual oldest
`EventId::id`, note that the deprecated method never reliably did that
in the first place as the buffers may contain no id currently.
# Objective
Fixes#15525
The deferred and mesh pipelines tonemapping LUT bindings were
accidentally out of sync, breaking deferred rendering.
As noted in the issue it's still broken on wasm due to hitting a texture
limit.
## Solution
Add constants for these instead of hardcoding them.
## Testing
Test with `cargo run --example deferred_rendering` and see it works, run
the same on main and see it crash.
*Additive blending* is an ubiquitous feature in game engines that allows
animations to be concatenated instead of blended. The canonical use case
is to allow a character to hold a weapon while performing arbitrary
poses. For example, if you had a character that needed to be able to
walk or run while attacking with a weapon, the typical workflow is to
have an additive blend node that combines walking and running animation
clips with an animation clip of one of the limbs performing a weapon
attack animation.
This commit adds support for additive blending to Bevy. It builds on top
of the flexible infrastructure in #15589 and introduces a new type of
node, the *add node*. Like blend nodes, add nodes combine the animations
of their children according to their weights. Unlike blend nodes,
however, add nodes don't normalize the weights to 1.0.
The `animation_masks` example has been overhauled to demonstrate the use
of additive blending in combination with masks. There are now controls
to choose an animation clip for every limb of the fox individually.
This patch also fixes a bug whereby masks were incorrectly accumulated
with `insert()` during the graph threading phase, which could cause
corruption of computed masks in some cases.
Note that the `clip` field has been replaced with an `AnimationNodeType`
enum, which breaks `animgraph.ron` files. The `Fox.animgraph.ron` asset
has been updated to the new format.
Closes#14395.
## Showcase
https://github.com/user-attachments/assets/52dfe05f-fdb3-477a-9462-ec150f93df33
## Migration Guide
* The `animgraph.ron` format has changed to accommodate the new
*additive blending* feature. You'll need to change `clip` fields to
instances of the new `AnimationNodeType` enum.
# Objective
- Another step towards #15558
## Solution
- Instead of allocating a Vec and then having wgpu copy it into a
staging buffer, write directly into the staging buffer.
- gets rid of another hidden copy, in `pad_to_alignment`.
future work:
- why is there a gcd implementation in here (and its subpar, use
binary_gcd. its in the hot path, run twice for every mesh, every frame i
think?) make it better and put it in bevy_math
- zero-copy custom mesh api to avoid having to write out a Mesh from a
custom rep
## Testing
- lighting and many_cubes run fine (and slightly faster. havent
benchmarked though)
---
## Showcase
- look ma... no copies
at least when RenderAssetUsage is GPU only :3
---------
Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
Co-authored-by: Kristoffer Søholm <k.soeholm@gmail.com>
# Objective
- Contributes to #15460
## Solution
- Made `web-time` a `wasm32`-only dependency.
- Moved time-related exports to its own module for clarity.
- Feature-gated allocator requirements for `hashbrown` behind `alloc`.
- Enabled compile-time RNG for `ahash` (runtime RNG will preferentially
used in `std` environments)
- Made `thread_local` optional by feature-gating the `Parallel` type.
## Testing
- Ran CI locally.
- `cargo build -p bevy_utils --target "x86_64-unknown-none"
--no-default-features`
## Solution
- Removed superfluous `Pickable` components
- Slightly simplified the code for updating the text color
- Removed the `Pointer<Click>` observer from the mesh entirely since
that doesn't support picking yet
# Objective
Someone (let's not name names here) might've been a bit of a goofball,
and happened to forget that "playing audio" should cause this thing
called "sound" to be emitted! That someone might not have realized that
queries should be updated to account for audio using wrapper components
instead of raw asset handles after #15573.
## Solution
Update systems, and listen to the relaxing soundscapes of `Windless
Slopes.ogg` 🎵
# Objective
Allow required component default values to be provided in-line.
```rust
#[derive(Component)]
#[require(
FocusPolicy(block_focus_policy)
)]
struct SomeComponent;
fn block_focus_policy() -> FocusPolicy {
FocusPolicy::Block
}
```
May now be expressed as:
```rust
#[derive(Component)]
#[require(
FocusPolicy(|| FocusPolicy::Block)
)]
struct SomeComponent;
```
## Solution
Modified the #[require] proc macro to accept a closure.
## Testing
Tested using my branch as a dependency, and switching between the inline
closure syntax and function syntax for a bunch of different components.
## Objective
The new Required Components feature (#14791) in Bevy allows spawning a
fixed set of components with a single method with cool require macro.
However, there's currently no corresponding method to remove all those
components together. This makes it challenging to keep insertion and
removal code in sync, especially for simple using cases.
```rust
#[derive(Component)]
#[require(Y)]
struct X;
#[derive(Component, Default)]
struct Y;
world.entity_mut(e).insert(X); // Spawns both X and Y
world.entity_mut(e).remove::<X>();
world.entity_mut(e).remove::<Y>(); // We need to manually remove dependencies without any sync with the `require` macro
```
## Solution
Simplifies component management by providing operations for removal
required components.
This PR introduces simple 'footgun' methods to removes all components of
this bundle and its required components.
Two new methods are introduced:
For Commands:
```rust
commands.entity(e).remove_with_requires::<B>();
```
For World:
```rust
world.entity_mut(e).remove_with_requires::<B>();
```
For performance I created new field in Bundels struct. This new field
"contributed_bundle_ids" contains cached ids for dynamic bundles
constructed from bundle_info.cintributed_components()
## Testing
The PR includes three test cases:
1. Removing a single component with requirements using World.
2. Removing a bundle with requirements using World.
3. Removing a single component with requirements using Commands.
4. Removing a single component with **runtime** requirements using
Commands
These tests ensure the feature works as expected across different
scenarios.
## Showcase
Example:
```rust
use bevy_ecs::prelude::*;
#[derive(Component)]
#[require(Y)]
struct X;
#[derive(Component, Default)]
#[require(Z)]
struct Y;
#[derive(Component, Default)]
struct Z;
#[derive(Component)]
struct W;
let mut world = World::new();
// Spawn an entity with X, Y, Z, and W components
let entity = world.spawn((X, W)).id();
assert!(world.entity(entity).contains::<X>());
assert!(world.entity(entity).contains::<Y>());
assert!(world.entity(entity).contains::<Z>());
assert!(world.entity(entity).contains::<W>());
// Remove X and required components Y, Z
world.entity_mut(entity).remove_with_requires::<X>();
assert!(!world.entity(entity).contains::<X>());
assert!(!world.entity(entity).contains::<Y>());
assert!(!world.entity(entity).contains::<Z>());
assert!(world.entity(entity).contains::<W>());
```
## Motivation for PR
#15580
## Performance
I made simple benchmark
```rust
let mut world = World::default();
let entity = world.spawn_empty().id();
let steps = 100_000_000;
let start = std::time::Instant::now();
for _ in 0..steps {
world.entity_mut(entity).insert(X);
world.entity_mut(entity).remove::<(X, Y, Z, W)>();
}
let end = std::time::Instant::now();
println!("normal remove: {:?} ", (end - start).as_secs_f32());
println!("one remove: {:?} micros", (end - start).as_secs_f64() / steps as f64 * 1_000_000.0);
let start = std::time::Instant::now();
for _ in 0..steps {
world.entity_mut(entity).insert(X);
world.entity_mut(entity).remove_with_requires::<X>();
}
let end = std::time::Instant::now();
println!("remove_with_requires: {:?} ", (end - start).as_secs_f32());
println!("one remove_with_requires: {:?} micros", (end - start).as_secs_f64() / steps as f64 * 1_000_000.0);
```
Output:
CPU: Amd Ryzen 7 2700x
```bash
normal remove: 17.36135
one remove: 0.17361348299999999 micros
remove_with_requires: 17.534006
one remove_with_requires: 0.17534005400000002 micros
```
NOTE: I didn't find any tests or mechanism in the repository to update
BundleInfo after creating new runtime requirements with an existing
BundleInfo. So this PR also does not contain such logic.
## Future work (outside this PR)
Create cache system for fast removing components in "safe" mode, where
"safe" mode is remove only required components that will be no longer
required after removing root component.
---------
Co-authored-by: a.yamaev <a.yamaev@smartengines.com>
Co-authored-by: Carter Anderson <mcanders1@gmail.com>
