# Objective
Filling a hole in the API: Previously, there was no particularly
ergonomic way to go from, e.g., a pair of directions to the rotation
that links them.
## Solution
We introduce a small suite of API methods to `Dir2` to address this:
```rust
/// Get the rotation that rotates this direction to `other`.
pub fn rotation_to(self, other: Self) -> Rotation2d { //... }
/// Get the rotation that rotates `other` to this direction.
pub fn rotation_from(self, other: Self) -> Rotation2d { //... }
/// Get the rotation that rotates the X-axis to this direction.
pub fn rotation_from_x(self) -> Rotation2d { //... }
/// Get the rotation that rotates this direction to the X-axis.
pub fn rotation_to_x(self) -> Rotation2d { //... }
/// Get the rotation that rotates this direction to the Y-axis.
pub fn rotation_from_y(self) -> Rotation2d { //... }
/// Get the rotation that rotates the Y-axis to this direction.
pub fn rotation_to_y(self) -> Rotation2d { //... }
```
I also removed some language from the `Rotation2d` docs that is
misleading: the radian and angle conversion functions are already clear
about which angles they spit out, and `Rotation2d` itself doesn't have
any bounds on angles or anything.
# Objective
This PR addresses one of the issues from [discord state
discussion](https://discord.com/channels/691052431525675048/1237949214017716356).
Same-state transitions can be desirable, so there should exist a hook
for them.
Fixes https://github.com/bevyengine/bevy/issues/9130.
## Solution
- Allow `StateTransitionEvent<S>` to contain identity transitions.
- Ignore identity transitions at schedule running level (`OnExit`,
`OnTransition`, `OnEnter`).
- Propagate identity transitions through `SubStates` and
`ComputedStates`.
- Add example about registering custom transition schedules.
## Changelog
- `StateTransitionEvent<S>` can be emitted with same `exited` and
`entered` state.
---------
Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
# Objective
- With the recent winit update, touchpad specific events can also be
triggered on mobile
## Solution
- Rename them to gestures and add support for the new ones
## Testing
- Tested on the mobile example on iOS
https://github.com/bevyengine/bevy/assets/8672791/da4ed23f-ff0a-41b2-9dcd-726e8546bef2
## Migration Guide
- `TouchpadMagnify` has been renamed to `PinchGesture`
- `TouchpadRotate` has been renamed to `RotationGesture `
---------
Co-authored-by: mike <ramirezmike2@gmail.com>
# Objective
Move `StateScoped` and `log_transitions` to `bevy_state`, since they're
useful for end users.
Addresses #12852, although not in the way the issue had in mind.
## Solution
- Added `bevy_hierarchy` to default features of `bevy_state`.
- Move `log_transitions` to `transitions` module.
- Move `StateScoped` to `state_scoped` module, gated behind
`bevy_hierarchy` feature.
- Refreshed implementation.
- Added `enable_state_coped_entities<S: States>()` to add required
machinery to `App` for clearing state-scoped entities.
## Changelog
- Added `log_transitions` for displaying state transitions.
- Added `StateScoped` for binding entity lifetime to state and app
`enable_state_coped_entities` to register cleaning behavior.
---------
Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
Co-authored-by: François Mockers <francois.mockers@vleue.com>
We want to use the clustering infrastructure for light probes and decals
as well, not just point lights. This patch builds on top of #13640 and
performs the rename.
To make this series easier to review, this patch makes no code changes.
Only identifiers and comments are modified.
## Migration Guide
* In the PBR shaders, `point_lights` is now known as
`clusterable_objects`, `PointLight` is now known as `ClusterableObject`,
and `cluster_light_index_lists` is now known as
`clusterable_object_index_lists`.
# Objective
This PR addresses #12222 (Fixes#12222). Simple addition to add a 2D
axes gizmo.
## Solution
- Add a new method axes_2d which takes a transform and a case length and
then draws two arrows in the XY plane.
The only thing I'm not sure about here is taking a 3D transform as an
argument. It says in the transform comments that for 2D the z-axis is
used for ordering, so I figured I'd keep it that way?
---
## Changelog
- Add method axes_2d.
- Update arrow_2d to also calculate the tip length depending on arrow
length as in arrow.
- Add axes_2d to examples 2d_gizmos.
---------
Co-authored-by: Ben Lambert <bennett-spencer.lambert@pierer-innovation.com>
This commit implements support for physically-based anisotropy in Bevy's
`StandardMaterial`, following the specification for the
[`KHR_materials_anisotropy`] glTF extension.
[*Anisotropy*] (not to be confused with [anisotropic filtering]) is a
PBR feature that allows roughness to vary along the tangent and
bitangent directions of a mesh. In effect, this causes the specular
light to stretch out into lines instead of a round lobe. This is useful
for modeling brushed metal, hair, and similar surfaces. Support for
anisotropy is a common feature in major game and graphics engines;
Unity, Unreal, Godot, three.js, and Blender all support it to varying
degrees.
Two new parameters have been added to `StandardMaterial`:
`anisotropy_strength` and `anisotropy_rotation`. Anisotropy strength,
which ranges from 0 to 1, represents how much the roughness differs
between the tangent and the bitangent of the mesh. In effect, it
controls how stretched the specular highlight is. Anisotropy rotation
allows the roughness direction to differ from the tangent of the model.
In addition to these two fixed parameters, an *anisotropy texture* can
be supplied. Such a texture should be a 3-channel RGB texture, where the
red and green values specify a direction vector using the same
conventions as a normal map ([0, 1] color values map to [-1, 1] vector
values), and the the blue value represents the strength. This matches
the format that the [`KHR_materials_anisotropy`] specification requires.
Such textures should be loaded as linear and not sRGB. Note that this
texture does consume one additional texture binding in the standard
material shader.
The glTF loader has been updated to properly parse the
`KHR_materials_anisotropy` extension.
A new example, `anisotropy`, has been added. This example loads and
displays the barn lamp example from the [`glTF-Sample-Assets`]
repository. Note that the textures were rather large, so I shrunk them
down and converted them to a mixture of JPEG and KTX2 format, in the
interests of saving space in the Bevy repository.
[*Anisotropy*]:
https://google.github.io/filament/Filament.md.html#materialsystem/anisotropicmodel
[anisotropic filtering]:
https://en.wikipedia.org/wiki/Anisotropic_filtering
[`KHR_materials_anisotropy`]:
https://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Khronos/KHR_materials_anisotropy/README.md
[`glTF-Sample-Assets`]:
https://github.com/KhronosGroup/glTF-Sample-Assets/
## Changelog
### Added
* Physically-based anisotropy is now available for materials, which
enhances the look of surfaces such as brushed metal or hair. glTF scenes
can use the new feature with the `KHR_materials_anisotropy` extension.
## Screenshots
With anisotropy:
Without anisotropy:
Updates the requirements on
[ruzstd](https://github.com/KillingSpark/zstd-rs) to permit the latest
version.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/KillingSpark/zstd-rs/releases">ruzstd's
releases</a>.</em></p>
<blockquote>
<h2>Optimizations, Documentation and slight API changes</h2>
<ul>
<li>Few slight performance optimizations</li>
<li>Big documentation contribution</li>
<li><code>StreamingDecoder</code> now has API to get to the contained
<code>impl Read</code></li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/KillingSpark/zstd-rs/blob/master/Changelog.md">ruzstd's
changelog</a>.</em></p>
<blockquote>
<h1>After 0.7.0</h1>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="101df3eac0"><code>101df3e</code></a>
bump version to 0.7.0</li>
<li><a
href="c7ad34bc1c"><code>c7ad34b</code></a>
fix doc on reverse bitreader</li>
<li><a
href="cd73dffe15"><code>cd73dff</code></a>
changelog</li>
<li><a
href="944b391c30"><code>944b391</code></a>
don't return errors on too large requests on a reversed bitreader (<a
href="https://redirect.github.com/KillingSpark/zstd-rs/issues/58">#58</a>)</li>
<li><a
href="53e7b1a600"><code>53e7b1a</code></a>
fix doc comments for clippy</li>
<li><a
href="16fee8cd45"><code>16fee8c</code></a>
Implement accessors for inner reader on StreamDecoder (<a
href="https://redirect.github.com/KillingSpark/zstd-rs/issues/62">#62</a>)</li>
<li><a
href="0b9607324e"><code>0b96073</code></a>
Add documentation throughout the codebase. (<a
href="https://redirect.github.com/KillingSpark/zstd-rs/issues/61">#61</a>)</li>
<li><a
href="5265c12c8c"><code>5265c12</code></a>
remove derive_more (<a
href="https://redirect.github.com/KillingSpark/zstd-rs/issues/60">#60</a>)</li>
<li><a
href="88f7a41677"><code>88f7a41</code></a>
use core instead of std</li>
<li><a
href="2ee37fdf5b"><code>2ee37fd</code></a>
optimize the copying done in the ringbuffer</li>
<li>Additional commits viewable in <a
href="https://github.com/KillingSpark/zstd-rs/compare/v0.6.0...v0.7.0">compare
view</a></li>
</ul>
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# Objective
Implements #13647
## Solution
Created two enums, CompassQuadrant and CompassOctant inside compass.rs
with impls To and From Dir2. Used dir.to_angle().to_degrees() and
matched against the resulting value. I could have skipped to_degrees()
and matched against the radian value, but I thought this was more
readable. I'm probably wrong lol.
## Testing
Tested various dirs to compass variations.
---
---------
Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
# Objective
- CI on main has been failing since #13640 was merged.
- Here's the [offending
run](https://github.com/bevyengine/bevy/actions/runs/9352635857/job/25741242787).
- One of the patch files is out of date, so it failed in the validation
check.
## Solution
- Regenerate the patch file. (The location has been moved to
`cluster/mod.rs`.)
## Testing
- Run `git apply
tools/example-showcase/reduce-light-cluster-config.patch`
- It should change `bevy_pbr/src/cluster/mod.rs` on line 239, decreasing
`total` and `z_slices`.
- CI's validation checks should also verify that this works, though only
after it gets merged.
# Objective
- Fixes#10909
- Fixes#8492
## Solution
- Name all matrices `x_from_y`, for example `world_from_view`.
## Testing
- I've tested most of the 3D examples. The `lighting` example
particularly should hit a lot of the changes and appears to run fine.
---
## Changelog
- Renamed matrices across the engine to follow a `y_from_x` naming,
making the space conversion more obvious.
## Migration Guide
- `Frustum`'s `from_view_projection`, `from_view_projection_custom_far`
and `from_view_projection_no_far` were renamed to
`from_clip_from_world`, `from_clip_from_world_custom_far` and
`from_clip_from_world_no_far`.
- `ComputedCameraValues::projection_matrix` was renamed to
`clip_from_view`.
- `CameraProjection::get_projection_matrix` was renamed to
`get_clip_from_view` (this affects implementations on `Projection`,
`PerspectiveProjection` and `OrthographicProjection`).
- `ViewRangefinder3d::from_view_matrix` was renamed to
`from_world_from_view`.
- `PreviousViewData`'s members were renamed to `view_from_world` and
`clip_from_world`.
- `ExtractedView`'s `projection`, `transform` and `view_projection` were
renamed to `clip_from_view`, `world_from_view` and `clip_from_world`.
- `ViewUniform`'s `view_proj`, `unjittered_view_proj`,
`inverse_view_proj`, `view`, `inverse_view`, `projection` and
`inverse_projection` were renamed to `clip_from_world`,
`unjittered_clip_from_world`, `world_from_clip`, `world_from_view`,
`view_from_world`, `clip_from_view` and `view_from_clip`.
- `GpuDirectionalCascade::view_projection` was renamed to
`clip_from_world`.
- `MeshTransforms`' `transform` and `previous_transform` were renamed to
`world_from_local` and `previous_world_from_local`.
- `MeshUniform`'s `transform`, `previous_transform`,
`inverse_transpose_model_a` and `inverse_transpose_model_b` were renamed
to `world_from_local`, `previous_world_from_local`,
`local_from_world_transpose_a` and `local_from_world_transpose_b` (the
`Mesh` type in WGSL mirrors this, however `transform` and
`previous_transform` were named `model` and `previous_model`).
- `Mesh2dTransforms::transform` was renamed to `world_from_local`.
- `Mesh2dUniform`'s `transform`, `inverse_transpose_model_a` and
`inverse_transpose_model_b` were renamed to `world_from_local`,
`local_from_world_transpose_a` and `local_from_world_transpose_b` (the
`Mesh2d` type in WGSL mirrors this).
- In WGSL, in `bevy_pbr::mesh_functions`, `get_model_matrix` and
`get_previous_model_matrix` were renamed to `get_world_from_local` and
`get_previous_world_from_local`.
- In WGSL, `bevy_sprite::mesh2d_functions::get_model_matrix` was renamed
to `get_world_from_local`.
# Objective
- Fix#10958 by performing entity mapping on the entities inside of
resources.
## Solution
- Resources can reflect(MapEntitiesResource) and impl MapEntities to get
access to the mapper during the world insert of the scene.
## Testing
- A test resource_entity_map_maps_entities confirms the desired
behavior.
## Changelog
- Added reflect(MapEntitiesResource) for mapping entities on Resources
in a DynamicScene.
fixes 10958
# Objective
- Follow-up on some changes in #11498
- Unblock using `Identifier` to replace `ComponentId` internals.
## Solution
- Implement the same `Reflect` impls from `Entity` onto `Identifier` as
they share same/similar purposes,
## Testing
- No compile errors. Currently `Identifier` has no serialization impls,
so there's no need to test a serialization/deserialization roundtrip to
ensure correctness.
---
## Changelog
### Added
- Reflection implementations on `Identifier`.
# Objective
- Add GizmoBuilders for some primitives as discussed in #13233
## Solution
- `gizmos.primitive_2d(CIRCLE)` and `gizmos.primitive_2d(ELLIPSE)` now
return `Ellipse2dBuilder` aswell.
- `gizmos.primitive_3d(SPHERE)` and `gizmos.sphere()` now return the
same `SphereBuilder`.
- the `.circle_segments` method on the `SphereBuilder` that used to be
returned by `.sphere()` is now called `.segments`
- the sphere primitive gizmo now matches the `gizmos.sphere` gizmo
- `gizmos.primitive_2d(ANNULUS)` now returns a `Annulus2dBuilder`
allowing the configuration of the `segments`
- gizmos cylinders and capsules now have only 1 line per axis, similar
to `gizmos.sphere`
## Migration Guide
- Some `gizmos.primitive_nd` methods now return some or different
builders. You may need to adjust types and match statements
- Replace any calls to `circle_segments()` with `.segments()`
---------
Co-authored-by: Raphael Büttgenbach <62256001+solis-lumine-vorago@users.noreply.github.com>
# Objective
When working on `leafwing-input-manager` and in my games, I've found
these compass directions to be both clear and useful when attempting to
describe angles in 2 dimensions.
This was directly used when mapping gamepad inputs into 4-way movement
as a virtual dpad, and I expect other uses are common in games.
## Solution
- Add constants corresponding to the 4 cardinal and 4 semi-cardinal
directions.
## Testing
- I've validated the quadrants of each of the directions through
self-review.
---------
Co-authored-by: Alice Cecile <alice.i.cecil@gmail.com>
As a prerequisite for decals and clustering of light probes, we want
clustering to operate on objects other than lights. (Currently, it only
operates on point and spot lights.) This necessitates a large
refactoring, so I'm splitting it up into small steps.
The first such step is to separate clustering from lighting by moving
clustering-related types and functions out of lighting and into their
own module subtree within the `bevy_pbr` crate. (Ultimately, we may want
to move it to `bevy_render`, but that requires more work and can be a
followup.)
No code changes have been made other than adjusting import lists and
moving code. This is to make this code easy to review. Ultimately, I
want to rename "light" to "clusterable object" in most cases, but doing
that at the same time as moving the code would make reviewing harder. So
instead I'm moving the code first and will follow this up with renaming.
## Migration Guide
* Clustering-related types and functions (e.g.
`assign_lights_to_clusters`) have moved under `bevy_pbr::cluster`, in
preparation for the ability to cluster objects other than lights.
# Objective
- Plane subdivision was removed without providing an alternative
## Solution
- Add subdivision to the PlaneMeshBuilder
---
## Migration Guide
If you were using `Plane` `subdivisions`, you now need to use
`Plane3d::default().mesh().subdivisions(10)`
fixes https://github.com/bevyengine/bevy/issues/13258
# Objective
Small substate code cleanup.
1. Format closure arguments inside macros.
2. Replace `match bool` blocks with `if-else` blocks.
3. Replace `match` block in substate macro with the same one-liner as in
the non-macro version.
# Objective
After separating `bevy_states`, state installation methods like
`init_state` were kept in `bevy_app` under the `bevy_state` feature
flag.
This is problematic, because `bevy_state` is not a core module,
`bevy_app` is, yet it depends on `bevy_state`.
This causes practical problems like the inability to use
`bevy_hierarchy` inside `bevy_state`, because of circular dependencies.
## Solution
- `bevy_state` now has a `bevy_app` feature flag, which gates the new
`AppStateExt` trait.
All previous state installation methods were moved to this trait.
It's implemented for both `SubApp` and `App`.
## Changelog
- All state related app methods are now in `AppExtStates` trait in
`bevy_state`.
- Added `StatesPlugin` which is in `DefaultPlugins` when `bevy_state` is
enabled.
## Migration Guide
`App::init_state` is now provided by the
`bevy_state::app::AppExtStates;` trait: import it if you need this
method and are not blob-importing the `bevy` prelude.
# Objective
`SceneEntityMapper` seems like it could be generally useful.
## Solution
Allow end users to call `SceneEntityMapper::new` and
`SceneEntityMapper::finish`.
Currently copypasting the example into a new project without also
copying "shaders/game_of_life.wgsl" gives an unhelpful blank screen.
This change makes it panic instead. I think nicer error handling is
outside scope of the example, and this is good enough to point out that
the shader code is missing.
# Objective
Add new options to some primitives, like anchoring for Cones and
cylinders and custom angle ranges for Torus.
I think these kind of options are useful, but I would understand that
these addition feel overkill
## Solution
Add
## Testing
- Did you test these changes? If so, how?
> I used the new options in the `3d_shapes` example with various
parameters and got the expected results
## Changelog
- Added `caps` bool option to toggle cylinder circle caps
- Added `angle_range` f32 range option non full torus shapes
- Added `anchor` enum option for cylinders, with either `Top`,
`Midpoint` or `Bottom`
- Added `anchor` enum option for cones, with either `Tip`, `Midpoint` or
`Base`
- **BREAKING** `TorusMeshBuilder` is no longer `Copy` due to
`RangeInclusive`, we can use a `(f32, f32)` if we want it to be `Copy`
# Objective
- fixes#4823
## Solution
As outlined in the discussion in the linked issue as the best current
solution, this PR adds specific GltfExtras for
- scenes
- meshes
- materials
- As it is , it is not a breaking change, I hesitated to rename the
current "GltfExtras" component to "PrimitiveGltfExtras", but that would
result in a breaking change and might be a bit confusing as to what
"primitive" that refers to.
## Testing
- I included a bare-bones example & asset (exported gltf file from
Blender) with gltf extras at all the relevant levels : scene, mesh,
material
---
## Changelog
- adds "SceneGltfExtras" injected at the scene level if any
- adds "MeshGltfExtras", injected at the mesh level if any
- adds "MaterialGltfExtras", injected at the mesh level if any: ie if a
mesh has a material that has gltf extras, the component will be injected
there.
# Objective
- Upgrade winit to v0.30
- Fixes https://github.com/bevyengine/bevy/issues/13331
## Solution
This is a rewrite/adaptation of the new trait system described and
implemented in `winit` v0.30.
## Migration Guide
The custom UserEvent is now renamed as WakeUp, used to wake up the loop
if anything happens outside the app (a new
[custom_user_event](https://github.com/bevyengine/bevy/pull/13366/files#diff-2de8c0a8d3028d0059a3d80ae31b2bbc1cde2595ce2d317ea378fe3e0cf6ef2d)
shows this behavior.
The internal `UpdateState` has been removed and replaced internally by
the AppLifecycle. When changed, the AppLifecycle is sent as an event.
The `UpdateMode` now accepts only two values: `Continuous` and
`Reactive`, but the latter exposes 3 new properties to enable reactive
to device, user or window events. The previous `UpdateMode::Reactive` is
now equivalent to `UpdateMode::reactive()`, while
`UpdateMode::ReactiveLowPower` to `UpdateMode::reactive_low_power()`.
The `ApplicationLifecycle` has been renamed as `AppLifecycle`, and now
contains the possible values of the application state inside the event
loop:
* `Idle`: the loop has not started yet
* `Running` (previously called `Started`): the loop is running
* `WillSuspend`: the loop is going to be suspended
* `Suspended`: the loop is suspended
* `WillResume`: the loop is going to be resumed
Note: the `Resumed` state has been removed since the resumed app is just
running.
Finally, now that `winit` enables this, it extends the `WinitPlugin` to
support custom events.
## Test platforms
- [x] Windows
- [x] MacOs
- [x] Linux (x11)
- [x] Linux (Wayland)
- [x] Android
- [x] iOS
- [x] WASM/WebGPU
- [x] WASM/WebGL2
## Outstanding issues / regressions
- [ ] iOS: build failed in CI
- blocking, but may just be flakiness
- [x] Cross-platform: when the window is maximised, changes in the scale
factor don't apply, to make them apply one has to make the window
smaller again. (Re-maximising keeps the updated scale factor)
- non-blocking, but good to fix
- [ ] Android: it's pretty easy to quickly open and close the app and
then the music keeps playing when suspended.
- non-blocking but worrying
- [ ] Web: the application will hang when switching tabs
- Not new, duplicate of https://github.com/bevyengine/bevy/issues/13486
- [ ] Cross-platform?: Screenshot failure, `ERROR present_frames:
wgpu_core::present: No work has been submitted for this frame before`
taking the first screenshot, but after pressing space
- non-blocking, but good to fix
---------
Co-authored-by: François <francois.mockers@vleue.com>
# Objective
- Fixes#13192 .
- It is not possible to specify the path of the file and the subasset in
it in one string slice, if there is a hash in the file name, because
hash is separator between filename and subasset, so they must be
separated explicitly
## Solution
- Improved documentation for AssetServer::load.
---------
Co-authored-by: BD103 <59022059+BD103@users.noreply.github.com>
# Objective
- Using multiple raster passes to generate the depth pyramid is
extremely slow
- Pulling data from the source image is the largest bottleneck, it's
important to sample in a cache-aware pattern
- Barriers and pipeline drain between the raster passes is the second
largest bottleneck
- Each separate RenderPass on the CPU is _really_ expensive
## Solution
- Port [FidelityFX SPD](https://gpuopen.com/fidelityfx-spd) to WGSL,
replacing meshlet's existing multiple raster passes with a ~~single~~
two compute dispatches. Lack of coherent buffers means we have to do the
the last 64x64 tile from mip 7+ in a separate dispatch to ensure the mip
6 writes were flushed :(
- Workgroup shared memory version only at the moment, as the subgroup
operation is blocked by our upgrade to wgpu 0.20 #13186
- Don't enforce a power-of-2 depth pyramid texture size, simply scaling
by 0.5 is fine
# Objective
- Add motion vector support to the skybox
- This fixes the last remaining "gap" to complete the motion blur
feature
## Solution
- Add a pipeline for the skybox to write motion vectors to the prepass
## Testing
- Used examples to test motion vectors using motion blur
https://github.com/bevyengine/bevy/assets/2632925/74c0778a-7e77-4e68-8111-05791e4bfdd2
---------
Co-authored-by: Patrick Walton <pcwalton@mimiga.net>
# Objective
- Adopted from #13528.
- `rodio` released 0.18! While we are working on migrating away from it
and towards `kira`, it is still good to keep our dependencies
up-to-date.
## Solution
- Update `Cargo.toml` to depend on `rodio` 0.18.
- #13528 was failing because it didn't update `rodio` for
`wasm32-unknown-unknown` too.
## Testing
- The CI should catch any errors here, but you can also run an audio
example if you want like `spatial_audio_2d`.
---
## Changelog
- Updated `rodio` to 0.18.
---------
Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
# Objective
Prerequisite to #13579.
Combine separate `Substates` transition systems to centralize transition
logic and exert more control over it.
## Solution
Originally the transition happened in 2 stages:
- `apply_state_transition` in `ManualTransitions` handled `NextState`,
- closure system in `DependentTransitions` handled parent-related
changes, insertion and deletion of the substate.
Now:
- Both transitions are processed in a single closure system during
`DependentTransitions`.
- Since `Substates` no longer use `ManualTransitions`, it's been renamed
to `RootTransitions`. Only root states use it.
- When `Substates` state comes into existence, it will try to initialize
from `NextState` and fallback to `should_exist` result.
- Remove `apply_state_transition` from public API.
Consequentially, removed the possibility of multiple
`StateTransitionEvent`s when both transition systems fire in a single
frame.
## Changelog
- Renamed `ManualTransitions` to `RootTransitions`.
- `Substates` will initialize their value with `NextState` if available
and fallback to `should_exist` result.
## Migration Guide
- `apply_state_transition` is no longer publicly available, run the
`StateTransition` schedule instead.
---------
Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
# Objective
- The current version of the `meshopt` dependency is incorrect, as
`bevy_pbr` uses features introduced in `meshopt` `0.2.1`
- This causes errors like this when only `meshopt` `0.2` is present in
`Cargo.lock`:
```
error[E0432]: unresolved imports
`meshopt::ffi::meshopt_optimizeMeshlet`, `meshopt::simplify_scale`
--> crates\bevy_pbr\src\meshlet\from_mesh.rs:10:27
|
10 | ffi::{meshopt_Bounds, meshopt_optimizeMeshlet},
| ^^^^^^^^^^^^^^^^^^^^^^^
| no `meshopt_optimizeMeshlet` in `ffi`
| help: a similar name exists in the module: `meshopt_optimizeOverdraw`
11 | simplify, simplify_scale, Meshlets, SimplifyOptions,
VertexDataAdapter,
| ^^^^^^^^^^^^^^ no `simplify_scale` in the root
```
## Solution
- Specify the actual minimum version of `meshopt` that `bevy_pbr`
requires
# Objective
Prerequisite to #13579.
Make state transition schedule running simpler.
## Solution
- Remove `should_run_transition` which read the latest event and
fake-fire an event for the startup transitions (e.g. startup
`OnEnter()`).
- Account for startup event, by actually emitting an event when adding
states to `App`.
- Replace `should_run_transition` with `last_transition`, which is a
light wrapper over `EventReader::read().last()`.
---------
Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
# Objective
Fixes#13606.
Also Fixes#13614.
## Solution
Added the missing trait impls, and made `gizmos.arc_2d()` work with a
counter-clockwise angle.
## Testing
- Updated the render_primitives example, and it works.
# Objective
- Followup to #13548
- It added a list of all possible labels to documentation. This seems
hard to keep up and doesn't stop people from making spelling mistake
## Solution
- Add an enum that can create all the labels possible, and encourage its
use rather than manually typed labels
---------
Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
Co-authored-by: Rob Parrett <robparrett@gmail.com>
# Objective
- Fixes#13500
- Images that are `RenderAssetUsages::RENDER_WORLD` don't free their
memory when they are no longer used
## Solution
- Remove their bind group when the handles are unused
This is a revamped equivalent to #9902, though it shares none of the
code. It handles all special cases that I've tested correctly.
The overall technique consists of double-buffering the joint matrix and
morph weights buffers, as most of the previous attempts to solve this
problem did. The process is generally straightforward. Note that, to
avoid regressing the ability of mesh extraction, skin extraction, and
morph target extraction to run in parallel, I had to add a new system to
rendering, `set_mesh_motion_vector_flags`. The comment there explains
the details; it generally runs very quickly.
I've tested this with modified versions of the `animated_fox`,
`morph_targets`, and `many_foxes` examples that add TAA, and the patch
works. To avoid bloating those examples, I didn't add switches for TAA
to them.
Addresses points (1) and (2) of #8423.
## Changelog
### Fixed
* Motion vectors, and therefore TAA, are now supported for meshes with
skins and/or morph targets.
# Objective
Adds capability to clear all components on an entity without de-spawning
said entity.
## Testing
The function calls `remove_by_id` on every component in the entity
archetype - wasn't sure if it's worth going out of our way to create a
test for this considering `remove_by_id` is already unit tested.
---
## Changelog
Added `clear` function to `EntityWorldMut` which removes all components
on an entity.
## Migration Guide
N/A
---------
Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
# Objective
- The default font size is too small to be useful in examples or for
debug text.
- Fixes#13587
## Solution
- Updated the default font size value in `TextStyle` from 12px to 24px.
- Resorted to Text defaults in examples to use the default font size in
most of them.
## Testing
- WIP
---
## Migration Guide
- The default font size has been increased to 24px from 12px. Make sure
you set the font to the appropriate values in places you were using
`Default` text style.
# Objective
Part of https://github.com/bevyengine/bevy/issues/13529
Helps https://github.com/bevyengine/bevy/pull/13533
Splitting up `bevy_transform` makes it easier to selectively include or
exclude parts of it in such a way that it's possible to include only a
small part with a small dependency tree.
## Solution
Make the crate more modular.
---------
Signed-off-by: Torstein Grindvik <torstein.grindvik@muybridge.com>
Co-authored-by: Torstein Grindvik <torstein.grindvik@muybridge.com>
# Objective
Unifies the naming convention between `StateTransitionEvent<S>` and
transition schedules.
## Migration Guide
- `StateTransitionEvent<S>` and `OnTransition<S>` schedule had their
fields renamed to `exited` and `entered` to match schedules.
# Objective
- In #13542 I broke example `color_grading`: the UI is not updated to
reflect changed camera settings
- Fixes#13590.
## Solution
- Update the UI when changing color grading
