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>
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<li><a
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Merge pull request <a
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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>
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<li><a
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Update <code>System::refresh_processes</code> API to give control over
when to remove de...</li>
<li><a
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Merge pull request <a
href="https://redirect.github.com/GuillaumeGomez/sysinfo/issues/1348">#1348</a>
from kevinbaker/master</li>
<li><a
href="6d5ea97ade"><code>6d5ea97</code></a>
add dependency on windows SystemServices for disk</li>
<li><a
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win: add correct location of FILE_READ_ONLY_VOLUME, correct call</li>
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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
changelog</a>.</em></p>
<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>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="f12cee1d8f"><code>f12cee1</code></a>
chore: Release</li>
<li><a
href="0afb59e9d0"><code>0afb59e</code></a>
chore: Release</li>
<li><a
href="2b40857384"><code>2b40857</code></a>
docs: Update changelog</li>
<li><a
href="73fd9f9a22"><code>73fd9f9</code></a>
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fix(dict): Sept updates</li>
<li><a
href="2dc6cb8511"><code>2dc6cb8</code></a>
chore(deps): Update compatible (<a
href="https://redirect.github.com/crate-ci/typos/issues/1104">#1104</a>)</li>
<li><a
href="977faa8c94"><code>977faa8</code></a>
Merge pull request <a
href="https://redirect.github.com/crate-ci/typos/issues/1102">#1102</a>
from epage/template</li>
<li><a
href="0870bb7207"><code>0870bb7</code></a>
chore: Update from _rust template</li>
<li><a
href="35fcbb7972"><code>35fcbb7</code></a>
Merge pull request <a
href="https://redirect.github.com/crate-ci/typos/issues/24">#24</a> from
epage/pre-commit</li>
<li><a
href="6e193aa09a"><code>6e193aa</code></a>
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>
# Objective
> Alice 🌹 — Today at 3:43 PM
bevy_dev_tools::ci_testing::systems::send_events
This system should be marked as ambiguous with everything I think
## Solution
- Mark it as `ambiguous_with_all`
# Objective
Currently, sample-interpolated curves (such as those used by the glTF
loader for animations) do unnecessary extra work when `sample_clamped`
is called, since their implementations of `sample_unchecked` are already
clamped. Eliminating this redundant sampling is a small, easy
performance win which doesn't compromise on the animation system's
internal usage of `sample_clamped`, which guarantees that it never
samples curves out-of-bounds.
## Solution
For sample-interpolated curves, define `sample_clamped` in the way
`sample_unchecked` is currently defined, and then redirect
`sample_unchecked` to `sample_clamped`. This is arguably a more
idiomatic way of using the `cores` as well, which is nice.
## Testing
Ran `many_foxes` to make sure I didn't break anything.
# Objective
Support accessing dynamic resources in a dynamic system, including
accessing them by component id. This is similar to how dynamic
components can be queried using `Query<FilteredEntityMut>`.
## Solution
Create `FilteredResources` and `FilteredResourcesMut` types that act
similar to `FilteredEntityRef` and `FilteredEntityMut` and that can be
used as system parameters.
## Example
```rust
// Use `FilteredResourcesParamBuilder` to declare access to resources.
let system = (FilteredResourcesParamBuilder::new(|builder| {
builder.add_read::<B>().add_read::<C>();
}),)
.build_state(&mut world)
.build_system(resource_system);
world.init_resource::<A>();
world.init_resource::<C>();
fn resource_system(res: FilteredResources) {
// The resource exists, but we have no access, so we can't read it.
assert!(res.get::<A>().is_none());
// The resource doesn't exist, so we can't read it.
assert!(res.get::<B>().is_none());
// The resource exists and we have access, so we can read it.
let c = res.get::<C>().unwrap();
// The type parameter can be left out if it can be determined from use.
let c: Res<C> = res.get().unwrap();
}
```
## Future Work
As a follow-up PR, `ReflectResource` can be modified to take `impl
Into<FilteredResources>`, similar to how `ReflectComponent` takes `impl
Into<FilteredEntityRef>`. That will allow dynamic resources to be
accessed using reflection.
# Objective
The current observers have some unfortunate footguns where you can end
up confused about what is actually being observed. For apps you can
chain observe like `app.observe(..).observe(..)` which works like you
would expect, but if you try the same with world the first `observe()`
will return the `EntityWorldMut` for the created observer, and the
second `observe()` will only observe on the observer entity. It took
several hours for multiple people on discord to figure this out, which
is not a great experience.
## Solution
Rename `observe` on entities to `observe_entity`. It's slightly more
verbose when you know you have an entity, but it feels right to me that
observers for specific things have more specific naming, and it prevents
this issue completely.
Another possible solution would be to unify `observe` on `App` and
`World` to have the same kind of return type, but I'm not sure exactly
what that would look like.
## Testing
Simple name change, so only concern is docs really.
---
## Migration Guide
The `observe()` method on entities has been renamed to
`observe_entity()` to prevent confusion about what is being observed in
some cases.
# Objective
Fixes#14511.
`despawn` allows you to remove entities from the world. However, if the
entity does not exist, it emits a warning. This may not be intended
behavior for many users who have use cases where they need to call
`despawn` regardless of if the entity actually exists (see the issue),
or don't care in general if the entity already doesn't exist.
(Also trying to gauge interest on if this feature makes sense, I'd
personally love to have it, but I could see arguments that this might be
a footgun. Just trying to help here 😄 If there's no contention I could
also implement this for `despawn_recursive` and `despawn_descendants` in
the same PR)
## Solution
Add `try_despawn`, `try_despawn_recursive` and
`try_despawn_descendants`.
Modify `World::despawn_with_caller` to also take in a `warn` boolean
argument, which is then considered when logging the warning. Set
`log_warning` to `true` in the case of `despawn`, and `false` in the
case of `try_despawn`.
## Testing
Ran `cargo run -p ci` on macOS, it seemed fine.
# Objective
Add despawn and despawn_recursive benchmarks in a similar vein to the
spawn benchmark.
## Testing
Ran `cargo bench` from `benches` and it compiled fine.
On my machine:
```
despawn_world/1_entities
time: [3.1495 ns 3.1574 ns 3.1652 ns]
Found 4 outliers among 100 measurements (4.00%)
3 (3.00%) high mild
1 (1.00%) high severe
despawn_world/10_entities
time: [28.629 ns 28.674 ns 28.720 ns]
Found 3 outliers among 100 measurements (3.00%)
2 (2.00%) high mild
1 (1.00%) high severe
despawn_world/100_entities
time: [286.95 ns 287.41 ns 287.90 ns]
Found 5 outliers among 100 measurements (5.00%)
5 (5.00%) high mild
despawn_world/1000_entities
time: [2.8739 µs 2.9001 µs 2.9355 µs]
Found 7 outliers among 100 measurements (7.00%)
1 (1.00%) high mild
6 (6.00%) high severe
despawn_world/10000_entities
time: [28.535 µs 28.617 µs 28.698 µs]
Found 2 outliers among 100 measurements (2.00%)
1 (1.00%) high mild
1 (1.00%) high severe
despawn_world_recursive/1_entities
time: [5.2270 ns 5.2507 ns 5.2907 ns]
Found 11 outliers among 100 measurements (11.00%)
1 (1.00%) low mild
6 (6.00%) high mild
4 (4.00%) high severe
despawn_world_recursive/10_entities
time: [57.495 ns 57.590 ns 57.691 ns]
Found 2 outliers among 100 measurements (2.00%)
1 (1.00%) low mild
1 (1.00%) high mild
despawn_world_recursive/100_entities
time: [514.43 ns 518.91 ns 526.88 ns]
Found 4 outliers among 100 measurements (4.00%)
1 (1.00%) high mild
3 (3.00%) high severe
despawn_world_recursive/1000_entities
time: [5.0362 µs 5.0463 µs 5.0578 µs]
Found 7 outliers among 100 measurements (7.00%)
2 (2.00%) high mild
5 (5.00%) high severe
despawn_world_recursive/10000_entities
time: [51.159 µs 51.603 µs 52.215 µs]
Found 9 outliers among 100 measurements (9.00%)
3 (3.00%) high mild
6 (6.00%) high severe
```
# Objective
System param validation warnings should be configurable and default to
"warn once" (per system).
Fixes: #15391
## Solution
`SystemMeta` is given a new `ParamWarnPolicy` field.
The policy decides whether warnings will be emitted by each system param
when it fails validation.
The policy is updated by the system after param validation fails.
Example warning:
```
2024-09-30T18:10:04.740749Z WARN bevy_ecs::system::function_system: System fallible_params::do_nothing_fail_validation will not run because it requested inaccessible system parameter Single<(), (With<Player>, With<Enemy>)>
```
Currently, only the first invalid parameter is displayed.
Warnings can be disabled on function systems using
`.param_never_warn()`.
(there is also `.with_param_warn_policy(policy)`)
## Testing
Ran `fallible_params` example.
---------
Co-authored-by: SpecificProtagonist <vincentjunge@posteo.net>
This is an updated version of #15530. Review comments were addressed.
This commit changes the animation graph evaluation to be operate in a
more sensible order and updates the semantics of blend nodes to conform
to [the animation composition RFC]. Prior to this patch, a node graph
like this:
```
┌─────┐
│ │
│ 1 │
│ │
└──┬──┘
│
┌───────┴───────┐
│ │
▼ ▼
┌─────┐ ┌─────┐
│ │ │ │
│ 2 │ │ 3 │
│ │ │ │
└──┬──┘ └──┬──┘
│ │
┌───┴───┐ ┌───┴───┐
│ │ │ │
▼ ▼ ▼ ▼
┌─────┐ ┌─────┐ ┌─────┐ ┌─────┐
│ │ │ │ │ │ │ │
│ 4 │ │ 6 │ │ 5 │ │ 7 │
│ │ │ │ │ │ │ │
└─────┘ └─────┘ └─────┘ └─────┘
```
Would be evaluated as (((4 ⊕ 5) ⊕ 6) ⊕ 7), with the blend (lerp/slerp)
operation notated as ⊕. As quaternion multiplication isn't commutative,
this is very counterintuitive and will especially lead to trouble with
the forthcoming additive blending feature (#15198).
This patch fixes the issue by changing the evaluation order to
postorder, with children of a node evaluated in ascending order by node
index.
To do so, this patch revamps `AnimationCurve` to be based on an
*evaluation stack* and a *blend register*. During target evaluation, the
graph evaluator traverses the graph in postorder. When encountering a
clip node, the evaluator pushes the possibly-interpolated value onto the
evaluation stack. When encountering a blend node, the evaluator pops
values off the stack into the blend register, accumulating weights as
appropriate. When the graph is completely evaluated, the top element on
the stack is *committed* to the property of the component.
A new system, the *graph threading* system, is added in order to cache
the sorted postorder traversal to avoid the overhead of sorting children
at animation evaluation time. Mask evaluation has been moved to this
system so that the graph only has to be traversed at most once per
frame. Unlike the `ActiveAnimation` list, the *threaded graph* is cached
from frame to frame and only has to be regenerated when the animation
graph asset changes.
This patch currently regresses the `animate_target` performance in
`many_foxes` by around 50%, resulting in an FPS loss of about 2-3 FPS.
I'd argue that this is an acceptable price to pay for a much more
intuitive system. In the future, we can mitigate the regression with a
fast path that avoids consulting the graph if only one animation is
playing. However, in the interest of keeping this patch simple, I didn't
do so here.
[the animation composition RFC]:
https://github.com/bevyengine/rfcs/blob/main/rfcs/51-animation-composition.md
# Objective
- Describe the objective or issue this PR addresses.
- If you're fixing a specific issue, say "Fixes #X".
## Solution
- Describe the solution used to achieve the objective above.
## Testing
- Did you test these changes? If so, how?
- Are there any parts that need more testing?
- How can other people (reviewers) test your changes? Is there anything
specific they need to know?
- If relevant, what platforms did you test these changes on, and are
there any important ones you can't test?
---
## Showcase
> This section is optional. If this PR does not include a visual change
or does not add a new feature, you can delete this section.
- Help others understand the result of this PR by showcasing your
awesome work!
- If this PR adds a new feature or public API, consider adding a brief
pseudo-code snippet of it in action
- If this PR includes a visual change, consider adding a screenshot,
GIF, or video
- If you want, you could even include a before/after comparison!
- If the Migration Guide adequately covers the changes, you can delete
this section
While a showcase should aim to be brief and digestible, you can use a
toggleable section to save space on longer showcases:
<details>
<summary>Click to view showcase</summary>
```rust
println!("My super cool code.");
```
</details>
## Migration Guide
> This section is optional. If there are no breaking changes, you can
delete this section.
- If this PR is a breaking change (relative to the last release of
Bevy), describe how a user might need to migrate their code to support
these changes
- Simply adding new functionality is not a breaking change.
- Fixing behavior that was definitely a bug, rather than a questionable
design choice is not a breaking change.
---------
Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
# Objective
- The capsule gizmo uses straight lines for the upper and lower circle
which looks pretty ugly.
## Solution
- Use the circle gizmo instead
---
## Showcase
**BEFORE**
**AFTER**
(the circles are red for demonstration purposes only)
# Notes
I also tried using 3d arcs instead of circles but it looks like arcs
need a lot more computation for an almost identical end result. Circles
seem much simpler. The only thing I'm unsure about is if the rotation
stuff is correct. It worked in my testing though.
# Objective
The `queue()` method is an optional trait method which is necessary for
deferred operations (such as command queues) to work properly in the
context of an observer.
This method was omitted from the proc_macro blanket implementation of
`ParamSet` for tuples; as a result, SystemParams with deferred
application (such as Commands) would not work in observers if they were
part of a ParamSet.
This appears to have been a simple omission, as `queue()` was already
implemented for the separate blanket implementation of `ParamSet` for
`Vec<T>`. In both cases, it is a simple pass-through to the component
SystemParams.
## Solution
Add the `queue()` method implementation to the `impl_param_set` proco
macro.
## Testing
Added a unit test which clearly demonstrates the issue. It fails before
the fix, and passes afterwards.
---
