# Objective
- Split the bevy_ecs::events module so it's easier to work with
## Solution
- Split the event.rs file across multiple files, made sure all tests
passed, and exports from the module were the same as previous
## Testing
- All automated tests pass.
# Objective
Closes#13738
## Solution
Added `from_color` to materials that would support it. Didn't add
`from_color` to `WireframeMaterial` as it doesn't seem we expect users
to be constructing them themselves.
## Testing
None
---
## Changelog
### Added
- `from_color` to `StandardMaterial` so you can construct this material
from any color type.
- `from_color` to `ColorMaterial` so you can construct this material
from any color type.
# Objective
- Add a new example showcasing how to add custom primitives and what you
can do with them.
## Solution
- Added a new example `custom_primitives` with a 2D heart shape
primitive highlighting
- `Bounded2d` by implementing and visualising bounding shapes,
- `Measured2d` by implementing it,
- `Meshable` to show the shape on the screen
- The example also includes an `Extrusion<Heart>` implementing
- `Measured3d`,
- `Bounded3d` using the `BoundedExtrusion` trait and
- meshing using the `Extrudable` trait.
## Additional information
Here are two images of the heart and its extrusion:
---------
Co-authored-by: Jakub Marcowski <37378746+Chubercik@users.noreply.github.com>
# Objective
- Mikktspace requires that we normalize world normals/tangents _before_
interpolation across vertices, and then do _not_ normalize after. I had
it backwards.
- We do not (am not supposed to?) need a second set of barycentrics for
motion vectors. If you think about the typical raster pipeline, in the
vertex shader we calculate previous_world_position, and then it gets
interpolated using the current triangle's barycentrics.
## Solution
- Fix normal/tangent processing
- Reuse barycentrics for motion vector calculations
- Not implementing this for 0.14, but long term I aim to remove explicit
vertex tangents and calculate them in the shader on the fly.
## Testing
- I tested out some of the normal maps we have in repo. Didn't seem to
make a difference, but mikktspace is all about correctness across
various baking tools. I probably just didn't have any of the ones that
would cause it to break.
- Didn't test motion vectors as there's a known bug with the depth
buffer and meshlets that I'm waiting on the render graph rewrite to fix.
# Objective
Reading system information severely slows down the update loop.
Fixes#12848.
## Solution
Read system info in a separate thread.
## Testing
- Open the scene 3d example
- Add `FrameTimeDiagnosticsPlugin`, `SystemInformationDiagnosticsPlugin`
and `LogDiagnosticsPlugin` to the app.
- Add this system to the update schedule to disable Vsync on the main
window
```rust
fn change_window_mode(mut windows: Query<&mut Window, Added<Window>>) {
for mut window in &mut windows {
window.present_mode = PresentMode::AutoNoVsync;
}
}
```
- Read the fps values in the console before and after this PR.
On my PC I went from around 50 fps to around 1150 fps.
---
## Changelog
### Changed
- The `SystemInformationDiagnosticsPlugin` now reads system data
separate of the update cycle.
### Added
- The `EXPECTED_SYSTEM_INFORMATION_INTERVAL` constant which defines how
often we read system diagnostic data.
---------
Co-authored-by: IceSentry <IceSentry@users.noreply.github.com>
Fixes#13758.
# Objective
Calling `update` on the main app already calls `clear_trackers`. Calling
it again in `SubApps::update` caused RemovedCompenet Events to be
cleared earlier than they should be.
## Solution
- Don't call clear_trackers an extra time.
## Testing
I manually tested the fix with this unit test:
```
#[cfg(test)]
mod test {
use crate::core::{FrameCount, FrameCountPlugin};
use crate::prelude::*;
#[test]
fn test_next_frame_removal() {
#[derive(Component)]
struct Foo;
#[derive(Resource)]
struct RemovedCount(usize);
let mut app = App::new();
app.add_plugins(FrameCountPlugin);
app.add_systems(Startup, |mut commands: Commands| {
for _ in 0..100 {
commands.spawn(Foo);
}
commands.insert_resource(RemovedCount(0));
});
app.add_systems(First, |counter: Res<FrameCount>| {
println!("Frame {}:", counter.0)
});
fn detector_system(
mut removals: RemovedComponents<Foo>,
foos: Query<Entity, With<Foo>>,
mut removed_c: ResMut<RemovedCount>,
) {
for e in removals.read() {
println!(" Detected removed Foo component for {e:?}");
removed_c.0 += 1;
}
let c = foos.iter().count();
println!(" Total Foos: {}", c);
assert_eq!(c + removed_c.0, 100);
}
fn deleter_system(foos: Query<Entity, With<Foo>>, mut commands: Commands) {
foos.iter().next().map(|e| {
commands.entity(e).remove::<Foo>();
});
}
app.add_systems(Update, (detector_system, deleter_system).chain());
app.update();
app.update();
app.update();
app.update();
}
}
```
i based the design on @mgi388 in the discussion about the issue.
i added the illustration in such a way that it shows up when you hover
your mouse over the type, i hope this is what was meant by the issue
no unit tests were added bc obviously
Fixes#13664
# Objective
There were some issues with the `serialize` feature:
- `bevy_app` had a `serialize` feature and a dependency on `serde` even
there is no usage of serde at all inside `bevy_app`
- the `bevy_app/serialize` feature enabled `bevy_ecs/serde`, which is
strange
- `bevy_internal/serialize` did not enable `bevy_app/serialize` so there
was no way of serializing an Entity in bevy 0.14
## Solution
- Remove `serde` and `bevy_app/serialize`
- Add a `serialize` flag on `bevy_ecs` that enables `serde`
- ` bevy_internal/serialize` now enables `bevy_ecs/serialize`
# Objective
- My attempt at fulfilling #13629.
## Solution
Renames the `and_then` / `or_else` run condition methods to `and` /
`or`, respectively.
Extends the run conditions API to include a suite of binary logical
operators:
- `and`
- `or`
- `nand`
- `nor`
- `xor`
- `xnor`
## Testing
- Did you test these changes? If so, how?
- The test **run_condition_combinators** was extended to include the
added run condition combinators. A **double_counter** system was added
to test for combinators running on even count cycles.
- Are there any parts that need more testing?
- I'm not too sure how I feel about the "counter" style of testing but I
wanted to keep it consistent. If it's just a unit test I would prefer
simply to just assert `true` == _combinator output_ or `false` ==
_combinator output_ .
- How can other people (reviewers) test your changes? Is there anything
specific they need to know?
- Nothing too specific. The added methods should be equivalent to the
logical operators they are analogous to (`&&` , `||`, `^`, `!`).
- If relevant, what platforms did you test these changes on, and are
there any important ones you can't test?
- Should not be relevant, I'm using Windows.
## Changelog
- What changed as a result of this PR?
- The run conditions API.
- If applicable, organize changes under "Added", "Changed", or "Fixed"
sub-headings
- Changed:
- `and_then` run condition combinator renamed to simply `and`
- `or_else` run condition combinator renamed to simply `or`
- Added:
- `nand` run condition combinator.
- `nor` run condition combinator.
- `xor` run condition combinator.
- `xnor` run condition combinator.
## Migration Guide
- The `and_then` run condition method has been replaced with the `and`
run condition method.
- The `or_else` run condition method has been replaced with the `or` run
condition method.
---------
Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
Co-authored-by: Andres O. Vela <andresovela@users.noreply.github.com>
# Objective
- If the fog is disabled it still generates a useless branch which can
hurt performance
## Solution
- Make the flag a shader_def instead
## Testing
- I tested enabling/disabling fog works as expected per-material in the
fog example
- I also tested that scenes that don't add the FogSettings resource
still work correctly
## Review notes
I'm not sure how to handle the removed material flag. Right now I just
commented it out and added a not to reuse it instead of creating a new
one.
The documentation for the `State` resource still referenced the use of
`apply_state_transition` to manually force a state transition to occur,
and the question around how to force transitions had come up a few times
on discord.
This is a docs-only change, that does the following:
- Properly references `StateTransition` in the `MainSchedule` docs
- replace the explanations for applying `NextState` with ones that
explain the `StateTransition` schedule, and mentions the possibility of
calling it manually
- Add an example of calling `StateTransition` manually in the docs for
the state transition schedule itself.
---------
Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
# Objective
The error printed-out due to a missing shader file was confusing; This
PR changes the error message.
Fixes#13644
## Solution
I replaced the confusing wording (`... shader is not loaded yet`) with a
clear explanation (`... shader could not be loaded`)
## Testing
> Did you test these changes? If so, how?
removing `assets/shaders/game_of_life.wgsl` & running its associated
example now produces the following error:
```
thread '<unnamed>' panicked at examples/shader/compute_shader_game_of_life.rs:233:25:
Initializing assets/shaders/game_of_life.wgsl:
Pipeline could not be compiled because the following shader could not be loaded: AssetId<bevy_render::render_resource::shader::Shader>{ index: 0, generation: 0}
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
Encountered a panic in system `bevy_render::renderer::render_system`!
```
I don't think there are any tests expecting the previous error message,
so this change should not break anything.
> Are there any parts that need more testing?
If there was an intent behind the original message, this might need more
attention.
> How can other people (reviewers) test your changes? Is there anything
specific they need to know?
One should be able to preview the changes by running any example after
deleting/renaming their associated shader(s).
> If relevant, what platforms did you test these changes on, and are
there any important ones you can't test?
N/A
# Objective
Fixes#13711
## Solution
Introduce smaller, generic system sets for each schedule variant, which
are ordered against other generic variants:
- `ExitSchedules<S>` - For `OnExit` schedules, runs from leaf states to
root states.
- `TransitionSchedules<S>` - For `OnTransition` schedules, runs in
arbitrary order.
- `EnterSchedules<S>` - For `OnEnter` schedules, runs from root states
to leaf states.
Also unified `ApplyStateTransition<S>` schedule which works in basically
the same way, just for internals.
## Testing
- One test that tests schedule execution order
---------
Co-authored-by: Lee-Orr <lee-orr@users.noreply.github.com>
# Objective
One thing missing from the new Color implementation in 0.14 is the
ability to easily convert to a u8 representation of the rgb color.
(note this is a redo of PR https://github.com/bevyengine/bevy/pull/13739
as I needed to move the source branch
## Solution
I have added to_u8_array and to_u8_array_no_alpha to a new trait called
ColorToPacked to mirror the f32 conversions in ColorToComponents and
implemented the new trait for Srgba and LinearRgba.
To go with those I also added matching from_u8... functions and
converted a couple of cases that used ad-hoc implementations of that
conversion to use these.
After discussion on Discord of the experience of using the API I renamed
Color::linear to Color::to_linear, as without that it looks like a
constructor (like Color::rgb).
I also added to_srgba which is the other commonly converted to type of
color (for UI and 2D) to match to_linear.
Removed a redundant extra implementation of to_f32_array for LinearColor
as it is also supplied in ColorToComponents (I'm surprised that's
allowed?)
## Testing
Ran all tests and manually tested.
Added to_and_from_u8 to linear_rgba::tests
## Changelog
visible change is Color::linear becomes Color::to_linear.
---------
Co-authored-by: John Payne <20407779+johngpayne@users.noreply.github.com>
# Objective
The method `AssetServer::add_async` (added in
https://github.com/bevyengine/bevy/pull/13700) requires a future that
returns an `AssetLoadError` error, which was a bit of an oversight on my
part, as that type of error only really makes sense in the context of
bevy's own asset loader -- returning it from user-defined futures isn't
very useful.
## Solution
Allow passing custom error types to `add_async`, which get cast into a
trait object matching the form of `AssetLoader::load`. If merged before
the next release this will not be a breaking change
# Objective
Partially address #13408
Rework of #13613
Unify the very nice forms of interpolation specifically present in
`bevy_math` under a shared trait upon which further behavior can be
based.
The ideas in this PR were prompted by [Lerp smoothing is broken by Freya
Holmer](https://www.youtube.com/watch?v=LSNQuFEDOyQ).
## Solution
There is a new trait `StableInterpolate` in `bevy_math::common_traits`
which enshrines a quite-specific notion of interpolation with a lot of
guarantees:
```rust
/// A type with a natural interpolation that provides strong subdivision guarantees.
///
/// Although the only required method is `interpolate_stable`, many things are expected of it:
///
/// 1. The notion of interpolation should follow naturally from the semantics of the type, so
/// that inferring the interpolation mode from the type alone is sensible.
///
/// 2. The interpolation recovers something equivalent to the starting value at `t = 0.0`
/// and likewise with the ending value at `t = 1.0`.
///
/// 3. Importantly, the interpolation must be *subdivision-stable*: for any interpolation curve
/// between two (unnamed) values and any parameter-value pairs `(t0, p)` and `(t1, q)`, the
/// interpolation curve between `p` and `q` must be the *linear* reparametrization of the original
/// interpolation curve restricted to the interval `[t0, t1]`.
///
/// The last of these conditions is very strong and indicates something like constant speed. It
/// is called "subdivision stability" because it guarantees that breaking up the interpolation
/// into segments and joining them back together has no effect.
///
/// Here is a diagram depicting it:
/// ```text
/// top curve = u.interpolate_stable(v, t)
///
/// t0 => p t1 => q
/// |-------------|---------|-------------|
/// 0 => u / \ 1 => v
/// / \
/// / \
/// / linear \
/// / reparametrization \
/// / t = t0 * (1 - s) + t1 * s \
/// / \
/// |-------------------------------------|
/// 0 => p 1 => q
///
/// bottom curve = p.interpolate_stable(q, s)
/// ```
///
/// Note that some common forms of interpolation do not satisfy this criterion. For example,
/// [`Quat::lerp`] and [`Rot2::nlerp`] are not subdivision-stable.
///
/// Furthermore, this is not to be used as a general trait for abstract interpolation.
/// Consumers rely on the strong guarantees in order for behavior based on this trait to be
/// well-behaved.
///
/// [`Quat::lerp`]: crate::Quat::lerp
/// [`Rot2::nlerp`]: crate::Rot2::nlerp
pub trait StableInterpolate: Clone {
/// Interpolate between this value and the `other` given value using the parameter `t`.
/// Note that the parameter `t` is not necessarily clamped to lie between `0` and `1`.
/// When `t = 0.0`, `self` is recovered, while `other` is recovered at `t = 1.0`,
/// with intermediate values lying between the two.
fn interpolate_stable(&self, other: &Self, t: f32) -> Self;
}
```
This trait has a blanket implementation over `NormedVectorSpace`, where
`lerp` is used, along with implementations for `Rot2`, `Quat`, and the
direction types using variants of `slerp`. Other areas may choose to
implement this trait in order to hook into its functionality, but the
stringent requirements must actually be met.
This trait bears no direct relationship with `bevy_animation`'s
`Animatable` trait, although they may choose to use `interpolate_stable`
in their trait implementations if they wish, as both traits involve
type-inferred interpolations of the same kind. `StableInterpolate` is
not a supertrait of `Animatable` for a couple reasons:
1. Notions of interpolation in animation are generally going to be much
more general than those allowed under these constraints.
2. Laying out these generalized interpolation notions is the domain of
`bevy_animation` rather than of `bevy_math`. (Consider also that
inferring interpolation from types is not universally desirable.)
Similarly, this is not implemented on `bevy_color`'s color types,
although their current mixing behavior does meet the conditions of the
trait.
As an aside, the subdivision-stability condition is of interest
specifically for the [Curve
RFC](https://github.com/bevyengine/rfcs/pull/80), where it also ensures
a kind of stability for subsampling.
Importantly, this trait ensures that the "smooth following" behavior
defined in this PR behaves predictably:
```rust
/// Smoothly nudge this value towards the `target` at a given decay rate. The `decay_rate`
/// parameter controls how fast the distance between `self` and `target` decays relative to
/// the units of `delta`; the intended usage is for `decay_rate` to generally remain fixed,
/// while `delta` is something like `delta_time` from an updating system. This produces a
/// smooth following of the target that is independent of framerate.
///
/// More specifically, when this is called repeatedly, the result is that the distance between
/// `self` and a fixed `target` attenuates exponentially, with the rate of this exponential
/// decay given by `decay_rate`.
///
/// For example, at `decay_rate = 0.0`, this has no effect.
/// At `decay_rate = f32::INFINITY`, `self` immediately snaps to `target`.
/// In general, higher rates mean that `self` moves more quickly towards `target`.
///
/// # Example
/// ```
/// # use bevy_math::{Vec3, StableInterpolate};
/// # let delta_time: f32 = 1.0 / 60.0;
/// let mut object_position: Vec3 = Vec3::ZERO;
/// let target_position: Vec3 = Vec3::new(2.0, 3.0, 5.0);
/// // Decay rate of ln(10) => after 1 second, remaining distance is 1/10th
/// let decay_rate = f32::ln(10.0);
/// // Calling this repeatedly will move `object_position` towards `target_position`:
/// object_position.smooth_nudge(&target_position, decay_rate, delta_time);
/// ```
fn smooth_nudge(&mut self, target: &Self, decay_rate: f32, delta: f32) {
self.interpolate_stable_assign(target, 1.0 - f32::exp(-decay_rate * delta));
}
```
As the documentation indicates, the intention is for this to be called
in game update systems, and `delta` would be something like
`Time::delta_seconds` in Bevy, allowing positions, orientations, and so
on to smoothly follow a target. A new example, `smooth_follow`,
demonstrates a basic implementation of this, with a sphere smoothly
following a sharply moving target:
https://github.com/bevyengine/bevy/assets/2975848/7124b28b-6361-47e3-acf7-d1578ebd0347
## Testing
Tested by running the example with various parameters.
# Objective
- Add support for `segments` for extrusion-meshes, akin to what is
possible with cylinders
## Solution
- Added a `.segments(segments: usize)` function to `ExtrusionBuilder`.
- Implemented support for segments in the meshing algorithm.
- If you set `.segments(0)`, the meshing will fail, just like it does
with cylinders.
## Additional information
Here is a wireframe of some extrusions with 1, 2, 3, etc. segments:
---------
Co-authored-by: Lynn Büttgenbach <62256001+solis-lumine-vorago@users.noreply.github.com>
# Objective
`Scene` and `DynamicScene` work with `InstanceInfo` at different levels
of abstraction
- `Scene::write_to_world_with` returns an `InstanceInfo` whereas
`DynamicScene::write_to_world_with` returns `()`. Instances are created
one level higher at the `SceneSpawner` API level.
- `DynamicScene::write_to_world_with` takes the `entity_map` as an
argument whereas the `Scene` version is less flexible and creates a new
one for you. No reason this needs to be the case.
## Solution
I propose changing `Scene::write_to_world_with` to match the API we have
for `DynamicScene`. Returning the `InstanceInfo` as we do today just
seems like a leaky abstraction - it's only used in
`spawn_sync_internal`. Being able to pass in an entity_map gives you
more flexibility with how you write entities to a world.
This also moves `InstanceInfo` out of `Scene` which is cleaner
conceptually. If someone wants to work with instances then they should
work with `SceneSpawner` - I see `write_to_world_with` as a lower-level
API to be used with exclusive world access.
## Testing
Code is just shifting things around.
## Changelog
Changed `Scene::write_to_world_with` to take `entity_map` as an argument
and no longer return an `InstanceInfo`
## Migration Guide
`Scene::write_to_world_with` no longer returns an `InstanceInfo`.
Before
```rust
scene.write_to_world_with(world, ®istry)
```
After
```rust
let mut entity_map = EntityHashMap::default();
scene.write_to_world_with(world, &mut entity_map, ®istry)
```
# Objective
This PR addresses the 2D part of #12658. I plan to separate the examples
and make one PR per camera example.
## Solution
Added a new top-down example composed of:
- [x] Player keyboard movements
- [x] UI for keyboard instructions
- [x] Colors and bloom effect to see the movement of the player
- [x] Camera smooth movement towards the player (lerp)
## Testing
```bash
cargo run --features="wayland,bevy/dynamic_linking" --example 2d_top_down_camera
```
https://github.com/bevyengine/bevy/assets/10638479/95db0587-e5e0-4f55-be11-97444b795793
# Objective
- Let `init_non_send_resource` take `FromWorld` values again, not only
`Default`
- This reverts an unintended breaking change introduced in #9202
## Solution
- The resource initialized with `init_non_send_resource` requires
`FromWorld` again
Bumps [crate-ci/typos](https://github.com/crate-ci/typos) from 1.21.0 to
1.22.3.
<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>v1.22.3</h2>
<h2>[1.22.3] - 2024-06-07</h2>
<h3>Fixes</h3>
<ul>
<li>Don't correct <code>arbitral</code></li>
</ul>
<h2>v1.22.2</h2>
<h2>[1.22.2] - 2024-06-07</h2>
<h2>v1.22.1</h2>
<h2>[1.22.1] - 2024-06-05</h2>
<ul>
<li>In golang, <code>flate</code> is a valid term from the stdlib</li>
</ul>
<h2>v1.22.0</h2>
<h2>[1.22.0] - 2024-06-03</h2>
<h3>Fixes</h3>
<ul>
<li>Updated the dictionary with the <a
href="https://redirect.github.com/crate-ci/typos/issues/1007">May
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>[1.22.3] - 2024-06-07</h2>
<h3>Fixes</h3>
<ul>
<li>Don't correct <code>arbitral</code></li>
</ul>
<h2>[1.22.2] - 2024-06-07</h2>
<h2>[1.22.1] - 2024-06-05</h2>
<ul>
<li>In golang, <code>flate</code> is a valid term from the stdlib</li>
</ul>
<h2>[1.22.0] - 2024-06-03</h2>
<h3>Fixes</h3>
<ul>
<li>Updated the dictionary with the <a
href="https://redirect.github.com/crate-ci/typos/issues/1007">May
2024</a> changes</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="8382594ee0"><code>8382594</code></a>
chore: Release</li>
<li><a
href="e1f52262c1"><code>e1f5226</code></a>
docs: Update changelog</li>
<li><a
href="372a352672"><code>372a352</code></a>
Merge pull request <a
href="https://redirect.github.com/crate-ci/typos/issues/1030">#1030</a>
from epage/arbitral</li>
<li><a
href="c94dbf9024"><code>c94dbf9</code></a>
fix(dict): Don't correct arbitral</li>
<li><a
href="e12da5495c"><code>e12da54</code></a>
chore: Release</li>
<li><a
href="49d37361a0"><code>49d3736</code></a>
chore: Release</li>
<li><a
href="32458c6289"><code>32458c6</code></a>
docs: Update changelog</li>
<li><a
href="8d0593d333"><code>8d0593d</code></a>
Merge pull request <a
href="https://redirect.github.com/crate-ci/typos/issues/1019">#1019</a>
from SOF3/go-flate</li>
<li><a
href="107f99d4c6"><code>107f99d</code></a>
fix(dict): Ignore flate for Go files</li>
<li><a
href="160c60dfce"><code>160c60d</code></a>
Merge pull request <a
href="https://redirect.github.com/crate-ci/typos/issues/1026">#1026</a>
from noahp/noahp/dotall</li>
<li>Additional commits viewable in <a
href="https://github.com/crate-ci/typos/compare/v1.21.0...v1.22.3">compare
view</a></li>
</ul>
</details>
<br />
[](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores)
Dependabot will resolve any conflicts with this PR as long as you don't
alter it yourself. You can also trigger a rebase manually by commenting
`@dependabot rebase`.
[//]: # (dependabot-automerge-start)
[//]: # (dependabot-automerge-end)
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# Objective
The `EntityCommands::despawn` method was previously changed from
panicking behavior to a warning, but the docs continue to state that it
panics.
## Solution
- Removed panic section, copied warning blurb from `World::despawn`
- Adds a similar warning blurb to
`DespawnRecursiveExt::despawn_recursive` and
`DespawnRecursiveExt::despawn_descendants`
# Objective
- In #13649 additional method had been added to AppExitStates, but there
feature gate left for method in implementation for App at refactoring
stage.
- Fixes#13733 .
## Solution
- Removed the feature gate.
## Testing
- Ran reproducing example from #13733 with no compilation errors
# Objective
- Fixes#13703
## Solution
- Added `mappings` to the `EntityMapper` trait, which returns an
iterator over currently tracked `Entity` to `Entity` mappings.
- Added `DynEntityMapper` as an [object
safe](https://doc.rust-lang.org/reference/items/traits.html#object-safety)
alternative to `EntityMapper`.
- Added `assert_object_safe` as a helper for ensuring traits are object
safe.
## Testing
- Added new unit test `entity_mapper_iteration` which tests the
`SceneEntityMapper` implementation of `EntityMapper::mappings`.
- Added unit tests to ensure `DynEntityMapper`, `DynEq` and `DynHash`
are object safe.
- Passed CI on my Windows 10 development environment
---
## Changelog
- Added `mappings` to `EntityMapper` trait.
## Migration Guide
- If you are implementing `EntityMapper` yourself, you can use the below
as a stub implementation:
```rust
fn mappings(&self) -> impl Iterator<Item = (Entity, Entity)> {
unimplemented!()
}
```
- If you were using `EntityMapper` as a trait object (`dyn
EntityMapper`), instead use `dyn DynEntityMapper` and its associated
methods.
## Notes
- The original issue proposed returning a `Vec` from `EntityMapper`
instead of an `impl Iterator` to preserve its object safety. This is a
simpler option, but also forces an allocation where it isn't strictly
needed. I've opted for this split into `DynEntityMapper` and
`EntityMapper` as it's been done several times across Bevy already, and
provides maximum flexibility to users.
- `assert_object_safe` is an empty function, since the assertion
actually happens once you try to use a `dyn T` for some trait `T`. I
have still added this function to clearly document what object safety is
within Bevy, and to create a standard way to communicate that a given
trait must be object safe.
- Other traits should have tests added to ensure object safety, but I've
left those off to avoid cluttering this PR further.
---------
Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
# Objective
Remove some unnecessary coupling between `DynamicTextureAtlasBuilder`
and `bevy_asset`.
## Solution
Remove the dependency of `DynamicTextureAtlasBuilder::add_texture` to
`bevy_asset`, by directly passing the `Image` of the atlas to mutate,
instead of passing separate `Assets<Image>` and `Handle<Image>` for the
function to do the lookup by itself. The lookup can be done from the
caller, and this allows using the builder in contexts where the `Image`
is not stored inside `Assets`.
Clean-up a bit the font atlas files by introducing a `PlacedGlyph` type
storing the `GlyphId` and its `SubpixelOffset`, which were otherwise
always both passed as function parameters and the pair used as key in
hash maps.
## Testing
There's no change in behavior.
---
## Changelog
- Added a `PlacedGlyph` type aggregating a `GlyphId` and a
`SubpixelOffset`. That type is now used as parameter in a few text atlas
APIs, instead of passing individual values.
## Migration Guide
- Replace the `glyph_id` and `subpixel_offset` of a few text atlas APIs
by a single `place_glyph: PlacedGlyph` parameter trivially combining the
two.
# Objective
Some use cases might require holding onto the previous state of the
animation player for change detection.
## Solution
Added `clone` and `copy` implementation to most animation types.
Added optimized `clone_from` implementations for the specific use case
of holding a `PreviousAnimationPlayer` component.
---------
Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
previously I worked on fixing issue #13646, back when the error message
did not include the type at all.
But that error message had room for improvement, so I included the
feedback of @alice-i-cecile and @MrGVSV.
The error message will now read `the given key (of type
bevy_reflect::tests::Foo) does not support hashing` or 'the given key
(of type bevy_reflect::DynamicStruct) does not support hashing' in case
of a dynamic struct that represents a hashable struct
i also added a new unit test for this new behaviour
(`reflect_map_no_hash_dynamic`).
Fixes#13646 (again)
---------
Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
Co-authored-by: Gino Valente <49806985+MrGVSV@users.noreply.github.com>
# Objective
- `bevy_state_macros` is a new crate added in the 0.14
- it already exists outside of the bevy org:
https://crates.io/crates/bevy_state_macros
## Solution
- Rename the crate
Changes:
- Track whether an output texture has been written to yet and only clear
it on the first write.
- Use `ClearColorConfig` on `CameraOutputMode` instead of a raw
`LoadOp`.
- Track whether a output texture has been seen when specializing the
upscaling pipeline and use alpha blending for extra cameras rendering to
that texture that do not specify an explicit blend mode.
Fixes#6754
## Testing
Tested against provided test case in issue:
---
## Changelog
- Allow cameras rendering to the same output texture with mixed hdr to
work correctly.
## Migration Guide
- - Change `CameraOutputMode` to use `ClearColorConfig` instead of
`LoadOp`.
# Objective
All the links that should go to the `Transform` type in the `Transform`
and `GlobalTransform` docs currently go to the `transform` example
instead.
## Solution
Fix collision of link labels in `Transform` and `GlobalTransform` docs.
A naked unwrap led to an opaque error that can be hit when using the
embedded filewatcher.
I've changed this an unwrap_or_else panic! with the error message
providing more details about the failed operation.
A better solution would be to print an error! and not panic...
This was tested with the asset_processing example.
---------
Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
# Objective
- apply_normal_mapping was changed to use TBN but the pbr_prepass was
not updated for that change
## Solution
- Update the pbr_prepass to correctly apply normal mapping
* Rename cull_meshlets -> cull_clusters
* Rename meshlet_visible -> cluster_visible
* Add an if statement around meshlet_second_pass_candidates writes,
maybe a small bit of performance.
# Objective
`Mesh::merge` does not need ownership of the right hand side mesh.
## Solution
Made `Mesh::merge` take a reference.
## Testing
Modified existing tests.
---
## Changelog
Made `Mesh::merge` take a reference.
## Migration Guide
* `Mesh::merge` now take a reference of a mesh instead of an owned mesh.
# Objective
Currently, bevy supports custom asset loading via `AssetServer:;add`,
which allows you to add arbitrary assets to the asset system and returns
a handle to it. However this only works for assets that have already
been fully loaded. If your loading logic involves any async, you need to
wait until the asset is done loading before adding it to the server.
This is problematic, as the `Handle` does not get allocated until the
very end, which makes it very difficult to use and defeats the value of
having handles for asynchronously-loaded assets.
## Solution
Add the method `AssetServer::add_async`. This has the same behavior as
`AssetServer::add`, only it accepts a future instead of a fully loaded
asset.
## Testing
I added an identical method to my company's fork of bevy, which works in
our app. I'm not quite sure how to go about adding an actual unit test
for asset loading behvior, but I will note that `AssetServer::add` also
does not appear to have any tests.
---
## Changelog
+ Added `AssetServer::add_async`, which allows adding assets with custom
asynchronous loading behavior to the `AssetServer`
# Objective
- Fixes#13687
## Solution
- Text rendering in UI is still dependent on the `PrimaryWIndow`
- implements #10559 for text rendering
There are other parts of UI that are still `PrimaryWindow` dependent, if
the changes here are OK I'll apply them everywhere.
I'm not a fan of the `EntityHashMap` here to hold the scale factors, but
it seems the quick and easy fix
## Testing
- Run example `multiple_windows` on a screen with a scale factor
different than 1, close the primary window
# Objective
Add labels to GltfNode and GltfMesh - they are missing from the assets
even though they are need if one wants to write a custom Gltf spawning
logic.
Eg AnimationPlayer relies on Name component of the node entities to
control the animation. There is no way to actually get names of the gltf
nodes, thus you can't manually spawn subtree from the scene and animate
it.
## Solution
- Add label field and make use of existing label creation logic to store
it there.
## Testing
- Ran all tests
- Fixed tests for node_hierarchy to use lable now
---------
Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
Co-authored-by: François Mockers <francois.mockers@vleue.com>
# Objective
- Fixes#10820.
## Solution
- Check that the asset ID to be inserted is still being managed.
- Since this route is only used by `AssetServer`-tracked handles, if the
`infos` map no longer contains the asset ID, all handles must have been
dropped. In this case, since nobody can be watching for the result,
we're safe to bail out. This avoids the panic when inserting the asset,
because when the handles are dropped, its slot in `Assets<A>` is
poisoned.
- Someone may be waiting for a labelled asset rather than the main
asset, these are handled with separate calls to `process_asset_load`, so
shouldn't cause any issues.
- Removed the workaround keeping asset info alive after the handle has
died, since we should no longer be trying to operate on any assets once
their handles have been dropped.
## Testing
- I added a `break` in `handle_internal_asset_events`
(`crates/bevy_asset/src/server/mod.rs` on line 1152). I don't believe
this should affect correctness, only efficiency, since it is effectively
only allowing one asset event to be handled per frame. This causes
examples like `animated_fox` to produce the issue fairly frequently.
- I wrote a small program which called `AssetServer::reload` and could
trigger it too.
---
## Changelog
- Fixed an issue which could cause a panic when loading an asset which
was no longer referenced.
---
## Remaining Work
~This needs more testing. I don't yet have a complete project that
reliably crashes without changes to bevy.~ We have at least one vote of
confidence so far from @Testare who had a project broken by this bug.
@cart, (sorry for the ping), I believe you added the code which delays
`remove_dropped`. Was there any other reason `track_assets` needed to
keep the dropped assets alive?
# Objective
- `Rotation2d` is a very long name for a commonly used type.
## Solution
- Rename it to `Rot2` to match `glam`'s naming convention (e.g. `Vec2`)
I ran a poll, and `Rot2` was the favorite of the candidate names.
This is not actually a breaking change, since `Rotation2d` has not been
shipped yet.
---------
Co-authored-by: Alice Cecile <alice.i.cecil@gmail.com>
