Commit graph

3146 commits

Author SHA1 Message Date
Duncan
64405469a5
Expand FallbackImage to include a GpuImage for each possible TextureViewDimension (#6974)
# Objective

Fixes #6920 

## Solution

From the issue discussion:

> From looking at the `AsBindGroup` derive macro implementation, the
fallback image's `TextureView` is used when the binding's
`Option<Handle<Image>>` is `None`. Because this relies on already having
a view that matches the desired binding dimensions, I think the solution
will require creating a separate `GpuImage` for each possible
`TextureViewDimension`.

---

## Changelog

Users can now rely on `FallbackImage` to work with a texture binding of
any dimension.
2023-06-19 22:56:25 +00:00
Niklas Eicker
96b9b6c8ad
Add missing inline documentation for android code (#8893)
# Objective

- Document android code that is currently causing clippy warnings due to
not being documented

## Solution

- Document the two previously undocumented items
2023-06-19 22:49:05 +00:00
JoJoJet
f63656051a
Deprecate type aliases for WorldQuery::Fetch (#8843)
# Objective

`WorldQuery::Fetch` is a type used to optimize the implementation of
queries. These types are hidden and not intended to be outside of the
engine, so there is no need to provide type aliases to make it easier to
refer to them. If a user absolutely needs to refer to one of these
types, they can always just refer to the associated type directly.

## Solution

Deprecate these type aliases.

---

## Changelog

- Deprecated the type aliases `QueryFetch` and `ROQueryFetch`.

## Migration Guide

The type aliases `bevy_ecs::query::QueryFetch` and `ROQueryFetch` have
been deprecated. If you need to refer to a `WorldQuery` struct's fetch
type, refer to the associated type defined on `WorldQuery` directly:

```rust
// Before:
type MyFetch<'w> = QueryFetch<'w, MyQuery>;
type MyFetchReadOnly<'w> = ROQueryFetch<'w, MyQuery>;

// After:
type MyFetch<'w> = <MyQuery as WorldQuery>::Fetch;
type MyFetchReadOnly<'w> = <<MyQuery as WorldQuery>::ReadOnly as WorldQuery>::Fetch;
```
2023-06-19 22:46:08 +00:00
mwbryant
8b5bf42c28
UI texture atlas support (#8822)
# Objective

This adds support for using texture atlas sprites in UI. From
discussions today in the ui-dev discord it seems this is a much wanted
feature.

This was previously attempted in #5070 by @ManevilleF however that was
blocked #5103. This work can be easily modified to support #5103 changes
after that merges.

## Solution

I created a new UI bundle that reuses the existing texture atlas
infrastructure. I create a new atlas image component to prevent it from
being drawn by the existing non-UI systems and to remove unused
parameters.

In extract I added new system to calculate the required values for the
texture atlas image, this extracts into the same resource as the
existing UI Image and Text components.

This should have minimal performance impact because if texture atlas is
not present then the exact same code path is followed. Also there should
be no unintended behavior changes because without the new components the
existing systems write the extract same resulting data.

I also added an example showing the sprite working and a system to
advance the animation on space bar presses.

Naming is hard and I would accept any feedback on the bundle name! 

---

## Changelog

>  Added TextureAtlasImageBundle

---------

Co-authored-by: ickshonpe <david.curthoys@googlemail.com>
2023-06-19 21:52:02 +00:00
Raffaele Ragni
7fc6db32ce
Add FromReflect where Reflect is used (#8776)
# Objective

Discovered that PointLight did not implement FromReflect. Adding
FromReflect where Reflect is used. I overreached and applied this rule
everywhere there was a Reflect without a FromReflect, except from where
the compiler wouldn't allow me.

Based from question: https://github.com/bevyengine/bevy/discussions/8774

## Solution

- Adding FromReflect where Reflect was already derived

## Notes

First PR I do in this ecosystem, so not sure if this is the usual
approach, that is, to touch many files at once.

---------

Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
2023-06-19 16:18:17 +00:00
Nicola Papale
23863d526a
Do not require mut on ParsedPath::element_mut (#8891)
# Objective

`ParsedPath` does not need to be mut to access a field of a `Reflect`.
Be that access mutable or not. Yet `element_mut` requires a mutable
borrow on `self`.

## Solution

- Make `element_mut` take a `&self` over a `&mut self`.

#8887 fixes this, but this is a major limitation in the API and I'd
rather see it merged before 0.11.

---

## Changelog

- `ParsedPath::element_mut` and `ParsedPath::reflect_element_mut` now
accept a non-mutable `ParsedPath` (only the accessed `Reflect` needs to
be mutable)
2023-06-19 15:27:45 +00:00
EliasPrescott
e6b655fb25
adding reflection for Cow<'static, [T]> (#7454)
# Objective

- Implementing reflection for Cow<'static, [T]>
- Hopefully fixes #7429

## Solution

- Implementing Reflect, Typed, GetTypeRegistration, and FromReflect for
Cow<'static, [T]>

---

## Notes

I have not used bevy_reflection much yet, so I may not fully understand
all the use cases. This is also my first attempt at contributing, so I
would appreciate any feedback or recommendations for changes. I tried to
add cases for using Cow<'static, str> and Cow<'static, [u8]> to some of
the bevy_reflect tests, but I can't guarantee those tests are
comprehensive enough.

---------

Co-authored-by: MinerSebas <66798382+MinerSebas@users.noreply.github.com>
Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
2023-06-19 14:58:49 +00:00
Nicola Papale
28e9c522f7
Make function pointers of ecs Reflect* public (#8687)
Repetitively fetching ReflectResource and ReflectComponent from the
TypeRegistry is costly.

We want to access the underlying `fn`s. to do so, we expose the
`ReflectResourceFns` and `ReflectComponentFns` stored in ReflectResource
and ReflectComponent.

---

## Changelog

- Add the `fn_pointers` methods to `ReflectResource` and
`ReflectComponent` returning the underlying `ReflectResourceFns` and
`ReflectComponentFns`
2023-06-19 14:06:58 +00:00
Jerome Humbert
960e797388
Add UiRect::px() and UiRect::percent() utils (#8866)
# Objective

Make the UI code more concise.

## Solution

Add two utility methods to make manipulating `UiRect` from code more
concise:
- `UiRect::px()` create a new `UiRect` like the `new()` function, but
with values in logical pixels directly.
- `UiRect::percent()` is similar, with values as percentages.

This saves a lot of typing and makes UI code more compact while
retaining readability.

---

## Changelog

### Added

Added two new constructors `UiRect::px()` and `UiRect::percent()` to
create a new `UiRect` from values directly specified in logical pixels
and percentages, respectively. The argument order is the same as
`UiRect::new()`, but avoids having to repeat `Val::Px` and
`Val::Percent`, respectively.
2023-06-19 14:00:18 +00:00
Mark Wainwright
6529d2e7f0
Added Has<T> WorldQuery type (#8844)
# Objective

- Fixes #7811 

## Solution

- I added `Has<T>` (and `HasFetch<T>` ) and implemented `WorldQuery`,
`ReadonlyWorldQuery`, and `ArchetypeFilter` it
- I also added documentation with an example and a unit test


I believe I've done everything right but this is my first contribution
and I'm not an ECS expert so someone who is should probably check my
implementation. I based it on what `Or<With<T>,>`, would do. The only
difference is that `Has` does not update component access - adding `Has`
to a query should never affect whether or not it is disjoint with
another query *I think*.

---

## Changelog

## Added
- Added `Has<T>` WorldQuery to find out whether or not an entity has a
particular component.

---------

Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
Co-authored-by: JoJoJet <21144246+JoJoJet@users.noreply.github.com>
2023-06-19 13:56:20 +00:00
Peter Hayman
6ce4bf5181
Add RenderTarget::TextureView (#8042)
# Objective

We can currently set `camera.target` to either an `Image` or `Window`.
For OpenXR & WebXR we need to be able to render to a `TextureView`.

This partially addresses #115 as with the addition we can create
internal and external xr crates.

## Solution

A `TextureView` item is added to the `RenderTarget` enum. It holds an id
which is looked up by a `ManualTextureViews` resource, much like how
`Assets<Image>` works.
I believe this approach was first used by @kcking in their [xr
fork](eb39afd51b/crates/bevy_render/src/camera/camera.rs (L322)).
The only change is that a `u32` is used to index the textures as
`FromReflect` does not support `uuid` and I don't know how to implement
that.

---

## Changelog

### Added
Render: Added `RenderTarget::TextureView` as a `camera.target` option,
enabling rendering directly to a `TextureView`.

## Migration Guide

References to the `RenderTarget` enum will need to handle the additional
field, ie in `match` statements.

---

## Comments
- The [wgpu
work](c039a74884)
done by @expenses allows us to create framebuffer texture views from
`wgpu v0.15, bevy 0.10`.
- I got the WebXR techniques from the [xr
fork](https://github.com/dekuraan/xr-bevy) by @dekuraan.
- I have tested this with a wip [external webxr
crate](018e22bb06/crates/bevy_webxr/src/bevy_utils/xr_render.rs (L50))
on an Oculus Quest 2.

![Screenshot 2023-03-11
230651](https://user-images.githubusercontent.com/25616826/224483696-c176c06f-a806-4abe-a494-b2e096ac96b7.png)

---------

Co-authored-by: Carter Anderson <mcanders1@gmail.com>
Co-authored-by: Paul Hansen <mail@paul.rs>
2023-06-19 13:53:05 +00:00
Nicola Papale
08962f1e50
Split the bevy_ecs reflect.rs module (#8834)
# Objective

- Cleanup the `reflect.rs` file in `bevy_ecs`, it's very large and can
get difficult to navigate

## Solution

- Split the file into 3 modules, re-export the types in the
`reflect/mod.rs` to keep a perfectly identical API.
- Add **internal** architecture doc explaining how `ReflectComponent`
works. Note that this doc is internal only, since `component.rs` is not
exposed publicly.

### Tips to reviewers

To review this change properly, you need to compare it to the previous
version of `reflect.rs`. The diff from this PR does not help at all!
What you will need to do is compare `reflect.rs` individually with each
newly created file.

Here is how I did it:

- Adding my fork as remote `git remote add nicopap
https://github.com/nicopap/bevy.git`
- Checkout out the branch `git checkout nicopap/split_ecs_reflect`
- Checkout the old `reflect.rs` by running `git checkout HEAD~1 --
crates/bevy_ecs/src/reflect.rs`
- Compare the old with the new with `git diff --no-index
crates/bevy_ecs/src/reflect.rs crates/bevy_ecs/src/reflect/component.rs`

You could also concatenate everything into a single file and compare
against it:

- `cat
crates/bevy_ecs/src/reflect/{component,resource,map_entities,mod}.rs >
new_reflect.rs`
- `git diff --no-index  crates/bevy_ecs/src/reflect.rs new_reflect.rs`
2023-06-18 23:43:10 +00:00
JMS55
af9c945f40
Screen Space Ambient Occlusion (SSAO) MVP (#7402)
![image](https://github.com/bevyengine/bevy/assets/47158642/dbb62645-f639-4f2b-b84b-26fd915c186d)

# Objective

- Add Screen space ambient occlusion (SSAO). SSAO approximates
small-scale, local occlusion of _indirect_ diffuse light between
objects. SSAO does not apply to direct lighting, such as point or
directional lights.
- This darkens creases, e.g. on staircases, and gives nice contact
shadows where objects meet, giving entities a more "grounded" feel.
- Closes https://github.com/bevyengine/bevy/issues/3632.

## Solution

- Implement the GTAO algorithm.
-
https://www.activision.com/cdn/research/Practical_Real_Time_Strategies_for_Accurate_Indirect_Occlusion_NEW%20VERSION_COLOR.pdf
-
https://blog.selfshadow.com/publications/s2016-shading-course/activision/s2016_pbs_activision_occlusion.pdf
- Source code heavily based on [Intel's
XeGTAO](0d177ce06b/Source/Rendering/Shaders/XeGTAO.hlsli).
- Add an SSAO bevy example.

## Algorithm Overview
* Run a depth and normal prepass
* Create downscaled mips of the depth texture (preprocess_depths pass)
* GTAO pass - for each pixel, take several random samples from the
depth+normal buffers, reconstruct world position, raytrace in screen
space to estimate occlusion. Rather then doing completely random samples
on a hemisphere, you choose random _slices_ of the hemisphere, and then
can analytically compute the full occlusion of that slice. Also compute
edges based on depth differences here.
* Spatial denoise pass - bilateral blur, using edge detection to not
blur over edges. This is the final SSAO result.
* Main pass - if SSAO exists, sample the SSAO texture, and set occlusion
to be the minimum of ssao/material occlusion. This then feeds into the
rest of the PBR shader as normal.

---

## Future Improvements
- Maybe remove the low quality preset for now (too noisy)
- WebGPU fallback (see below)
- Faster depth->world position (see reverted code)
- Bent normals 
- Try interleaved gradient noise or spatiotemporal blue noise
- Replace the spatial denoiser with a combined spatial+temporal denoiser
- Render at half resolution and use a bilateral upsample
- Better multibounce approximation
(https://drive.google.com/file/d/1SyagcEVplIm2KkRD3WQYSO9O0Iyi1hfy/view)

## Far-Future Performance Improvements
- F16 math (missing naga-wgsl support
https://github.com/gfx-rs/naga/issues/1884)
- Faster coordinate space conversion for normals
- Faster depth mipchain creation
(https://github.com/GPUOpen-Effects/FidelityFX-SPD) (wgpu/naga does not
currently support subgroup ops)
- Deinterleaved SSAO for better cache efficiency
(https://developer.nvidia.com/sites/default/files/akamai/gameworks/samples/DeinterleavedTexturing.pdf)

## Other Interesting Papers
- Visibility bitmask
(https://link.springer.com/article/10.1007/s00371-022-02703-y,
https://cdrinmatane.github.io/posts/cgspotlight-slides/)
- Screen space diffuse lighting
(https://github.com/Patapom/GodComplex/blob/master/Tests/TestHBIL/2018%20Mayaux%20-%20Horizon-Based%20Indirect%20Lighting%20(HBIL).pdf)

## Platform Support
* SSAO currently does not work on DirectX12 due to issues with wgpu and
naga:
  * https://github.com/gfx-rs/wgpu/pull/3798
  * https://github.com/gfx-rs/naga/pull/2353
* SSAO currently does not work on WebGPU because r16float is not a valid
storage texture format
https://gpuweb.github.io/gpuweb/wgsl/#storage-texel-formats. We can fix
this with a fallback to r32float.

---

## Changelog

- Added ScreenSpaceAmbientOcclusionSettings,
ScreenSpaceAmbientOcclusionQualityLevel, and
ScreenSpaceAmbientOcclusionBundle

---------

Co-authored-by: IceSentry <c.giguere42@gmail.com>
Co-authored-by: IceSentry <IceSentry@users.noreply.github.com>
Co-authored-by: Daniel Chia <danstryder@gmail.com>
Co-authored-by: Elabajaba <Elabajaba@users.noreply.github.com>
Co-authored-by: Robert Swain <robert.swain@gmail.com>
Co-authored-by: robtfm <50659922+robtfm@users.noreply.github.com>
Co-authored-by: Brandon Dyer <brandondyer64@gmail.com>
Co-authored-by: Edgar Geier <geieredgar@gmail.com>
Co-authored-by: Nicola Papale <nicopap@users.noreply.github.com>
Co-authored-by: Carter Anderson <mcanders1@gmail.com>
2023-06-18 21:05:55 +00:00
Sélène Amanita
6c86545736
Fix Plane UVs / texture flip (#8878)
# Objective

Fix https://github.com/bevyengine/bevy/issues/1018 (Textures on the
`Plane` shape appear flipped).

This bug have been around for a very long time apparently, I tested it
was still there (see test code bellow) and sure enough, this image:


![test](https://github.com/bevyengine/bevy/assets/134181069/4cda7cf8-57d9-4677-91f5-02240d1e79b1)

... is flipped vertically when used as a texture on a plane (in main,
0.10.1 and 0.9):

![image](https://github.com/bevyengine/bevy/assets/134181069/0db4f52a-51af-4041-9c45-7bfe1f08b0cc)

I'm pretty confused because this bug is so easy to fix, it has been
around for so long, it is easy to encounter, and PRs touching this code
still didn't fix it: https://github.com/bevyengine/bevy/pull/7546 To the
point where I'm wondering if it's actually intended. If it is, please
explain why and this PR can be changed to "mention that in the doc".

## Solution

Fix the UV mapping on the Plane shape

Here is how it looks after the PR

![image](https://github.com/bevyengine/bevy/assets/134181069/e07ce641-3de8-4da3-a4f3-95a6054c86d7)

## Test code

```rust
use bevy::{
    prelude::*,
};

fn main () {
    App::new()
        .add_plugins(DefaultPlugins)
        .add_startup_system(setup)
        .run();
}

fn setup(
    mut commands: Commands,
    assets: ResMut<AssetServer>,
    mut meshes: ResMut<Assets<Mesh>>,
    mut materials: ResMut<Assets<StandardMaterial>>,
) {
    commands.spawn(Camera3dBundle {
        transform: Transform::from_xyz(0., 3., 0.).looking_at(Vec3::ZERO, Vec3::NEG_Z),
        ..default()
    });

    let mesh = meshes.add(Mesh::from(shape::Plane::default()));
    let texture_image = assets.load("test.png");
    let material = materials.add(StandardMaterial { 
        base_color_texture: Some(texture_image),
        ..default()
    });
    commands.spawn(PbrBundle {
        mesh,
        material,
        ..default()
    });
}
```

## Changelog

Fix textures on `Plane` shapes being flipped vertically.

## Migration Guide

Flip the textures you use on `Plane` shapes.
2023-06-18 19:35:46 +00:00
Thierry Berger
17e1d211c5
doc: update a reference from add_system to add_systems (#8881)
Small fix for a forgotten documentation comment.
2023-06-18 17:17:02 +00:00
Niklas Eicker
84de9e7f28
Add window entity to mouse and keyboard events (#8852)
# Objective

- Resolves #4649 

## Solution

- Added the window entity to `KeyboardInput`, `MouseButtonInput`, and
`MouseWheel` events.
2023-06-16 13:54:06 +00:00
JoJoJet
8ec81496ff
Add a method to run read-only systems using &World (#8849)
# Objective

Resolves #7558.

Systems that are known to never modify the world implement the trait
`ReadOnlySystem`. This is a perfect place to add a safe API for running
a system with a shared reference to a World.

---

## Changelog

- Added the trait method `ReadOnlySystem::run_readonly`, which allows a
system to be run using `&World`.
2023-06-15 22:54:53 +00:00
JoJoJet
5291110002
Make QueryParIter::for_each_unchecked private (#8848)
# Objective

- The function `QueryParIter::for_each_unchecked` is a footgun: the only
ways to use it soundly can be done in safe code using `for_each` or
`for_each_mut`. See [this discussion on
discord](https://discord.com/channels/691052431525675048/749335865876021248/1118642977275924583).

## Solution

- Make `for_each_unchecked` private.

---

## Changelog

- Removed `QueryParIter::for_each_unchecked`. All use-cases of this
method were either unsound or doable in safe code using `for_each` or
`for_each_mut`.

## Migration Guide

The method `QueryParIter::for_each_unchecked` has been removed -- use
`for_each` or `for_each_mut` instead. If your use case can not be
achieved using either of these, then your code was likely unsound.

If you have a use-case for `for_each_unchecked` that you believe is
sound, please [open an
issue](https://github.com/bevyengine/bevy/issues/new/choose).
2023-06-15 13:44:42 +00:00
JoJoJet
96a9d0405a
Simplify the ComponentIdFor type (#8845)
# Objective

`ComponentIdFor` is a type that gives you access to a component's
`ComponentId` in a system. It is currently awkward to use, since it must
be wrapped in a `Local<>` to be used.

## Solution

Make `ComponentIdFor` a proper SystemParam.

---

## Changelog

- Refactored the type `ComponentIdFor` in order to simplify how it is
used.

## Migration Guide

The type `ComponentIdFor<T>` now implements `SystemParam` instead of
`FromWorld` -- this means it should be used as the parameter for a
system directly instead of being used in a `Local`.

```rust
// Before:
fn my_system(
    component_id: Local<ComponentIdFor<MyComponent>>,
) {
    let component_id = **component_id;
}

// After:
fn my_system(
    component_id: ComponentIdFor<MyComponent>,
) {
    let component_id = component_id.get();
}
```
2023-06-15 12:57:47 +00:00
Jim Eckerlein
13f50c7a53
Rename keys like LAlt to AltLeft (#8792)
# Objective

The
[`KeyCode`](https://github.com/bevyengine/bevy/blob/main/crates/bevy_input/src/keyboard.rs#L86)
enum cases `LWin` and `RWin` are too opinionated because they are also
assigned meaning by non-Windows operating systems. macOS calls the keys
completely different.

## Solution

Match [winits
approach](https://github.com/rust-windowing/winit/blob/master/src/keyboard.rs#L1635)
naming convention.

---

## Migration Guide

Migrate by replacing:
- `LAlt` → `AltLeft`
- `RAlt` → `AltRight`
- `LBracket` → `BracketLeft`
- `RBracket` → `BracketRight`
- `LControl` → `ControlLeft`
- `RControl` → `ControlRight`
- `LShift` → `ShiftLeft`
- `RShift` → `ShiftRight`
- `LWin` → `SuperLeft`
- `RWin` → `SuperRight`
2023-06-15 01:37:04 +00:00
JoJoJet
db8d3651e0
Migrate the rest of the engine to UnsafeWorldCell (#8833)
# Objective

Follow-up to #6404 and #8292.

Mutating the world through a shared reference is surprising, and it
makes the meaning of `&World` unclear: sometimes it gives read-only
access to the entire world, and sometimes it gives interior mutable
access to only part of it.

This is an up-to-date version of #6972.

## Solution

Use `UnsafeWorldCell` for all interior mutability. Now, `&World`
*always* gives you read-only access to the entire world.

---

## Changelog

TODO - do we still care about changelogs?

## Migration Guide

Mutating any world data using `&World` is now considered unsound -- the
type `UnsafeWorldCell` must be used to achieve interior mutability. The
following methods now accept `UnsafeWorldCell` instead of `&World`:

- `QueryState`: `get_unchecked`, `iter_unchecked`,
`iter_combinations_unchecked`, `for_each_unchecked`,
`get_single_unchecked`, `get_single_unchecked_manual`.
- `SystemState`: `get_unchecked_manual`

```rust
let mut world = World::new();
let mut query = world.query::<&mut T>();

// Before:
let t1 = query.get_unchecked(&world, entity_1);
let t2 = query.get_unchecked(&world, entity_2);

// After:
let world_cell = world.as_unsafe_world_cell();
let t1 = query.get_unchecked(world_cell, entity_1);
let t2 = query.get_unchecked(world_cell, entity_2);
```

The methods `QueryState::validate_world` and
`SystemState::matches_world` now take a `WorldId` instead of `&World`:

```rust
// Before:
query_state.validate_world(&world);

// After:
query_state.validate_world(world.id());
```

The methods `QueryState::update_archetypes` and
`SystemState::update_archetypes` now take `UnsafeWorldCell` instead of
`&World`:

```rust
// Before:
query_state.update_archetypes(&world);

// After:
query_state.update_archetypes(world.as_unsafe_world_cell_readonly());
```
2023-06-15 01:31:56 +00:00
ickshonpe
f7aa83a247
Ui Node Borders (#7795)
# Objective

Implement borders for UI nodes.

Relevant discussion: #7785
Related: #5924, #3991

<img width="283" alt="borders"
src="https://user-images.githubusercontent.com/27962798/220968899-7661d5ec-6f5b-4b0f-af29-bf9af02259b5.PNG">

## Solution

Add an extraction function to draw the borders.

---

Can only do one colour rectangular borders due to the limitations of the
Bevy UI renderer.

Maybe it can be combined with #3991 eventually to add curved border
support.

## Changelog
* Added a component `BorderColor`.
* Added the `extract_uinode_borders` system to the UI Render App.
* Added the UI example `borders`

---------

Co-authored-by: Nico Burns <nico@nicoburns.com>
2023-06-14 22:43:38 +00:00
JoJoJet
2551ccbe34
Rename a leftover usage of a renamed function read_change_tick (#8837)
# Objective

The method `UnsafeWorldCell::read_change_tick` was renamed in #8588, but
I forgot to update a usage of this method in a doctest.

## Solution

Update the method call.
2023-06-14 02:32:28 +00:00
Nicola Papale
019432af2e
Add get_ref to EntityRef (#8818)
# Objective

To mirror the `Ref` added as `WorldQuery`, and the `Mut` in
`EntityMut::get_mut`, we add `EntityRef::get_ref`, which retrieves `T`
with tick information, but *immutably*.

## Solution

- Add the method in question, also add it to`UnsafeEntityCell` since
this seems to be the best way of getting that information.

Also update/add safety comments to neighboring code.

---

## Changelog

- Add `EntityRef::get_ref` to get an `Option<Ref<T>>` from `EntityRef`

---------

Co-authored-by: James Liu <contact@jamessliu.com>
2023-06-13 08:47:55 +00:00
ira
001b3eb97c
Instanced line rendering for gizmos based on bevy_polyline (#8427)
# Objective

Adopt code from
[bevy_polyline](https://github.com/ForesightMiningSoftwareCorporation/bevy_polyline)
for gizmo line-rendering.
This adds configurable width and perspective rendering for the lines.

Many thanks to @mtsr for the initial work on bevy_polyline. Thanks to
@aevyrie for maintaining it, @nicopap for adding the depth_bias feature
and the other
[contributors](https://github.com/ForesightMiningSoftwareCorporation/bevy_polyline/graphs/contributors)
for squashing bugs and keeping bevy_polyline up-to-date.

#### Before

![Before](https://user-images.githubusercontent.com/29694403/232831591-a8e6ed0c-3a09-4413-80fa-74cb8e0d33dd.png)
#### After - with line perspective

![After](https://user-images.githubusercontent.com/29694403/232831692-ba7cbeb7-e63a-4f8e-9b1b-1b80c668f149.png)

Line perspective is not on by default because with perspective there is
no default line width that works for every scene.

<details><summary>After - without line perspective</summary>
<p>

![After - no
perspective](https://user-images.githubusercontent.com/29694403/232836344-0dbfb4c8-09b7-4cf5-95f9-a4c26f38dca3.png)

</p>
</details>

Somewhat unexpectedly, the performance is improved with this PR.
At 200,000 lines in many_gizmos I get ~110 FPS on main and ~200 FPS with
this PR.
I'm guessing this is a CPU side difference as I would expect the
rendering technique to be more expensive on the GPU to some extent, but
I am not entirely sure.

---------

Co-authored-by: Jonas Matser <github@jonasmatser.nl>
Co-authored-by: Aevyrie <aevyrie@gmail.com>
Co-authored-by: Nicola Papale <nico@nicopap.ch>
Co-authored-by: Nicola Papale <nicopap@users.noreply.github.com>
2023-06-13 06:49:47 +00:00
JoJoJet
3fba34c9e6
Require read-only queries in QueryState::par_iter (#8832)
# Objective

The method `QueryState::par_iter` does not currently force the query to
be read-only. This means you can unsoundly mutate a world through an
immutable reference in safe code.

```rust
fn bad_system(world: &World, mut query: Local<QueryState<&mut T>>) {
    query.par_iter(world).for_each_mut(|mut x| *x = unsoundness);
}
```

## Solution

Use read-only versions of the `WorldQuery` types.

---

## Migration Guide

The function `QueryState::par_iter` now forces any world accesses to be
read-only, similar to how `QueryState::iter` works. Any code that
previously mutated the world using this method was *unsound*. If you
need to mutate the world, use `par_iter_mut` instead.
2023-06-13 01:17:40 +00:00
Jonathan
c475e271be
Implement Clone for CombinatorSystem (#8826)
# Objective

Make a combined system cloneable if both systems are cloneable on their
own. This is necessary for using chained conditions (e.g
`cond1.and_then(cond2)`) with `distributive_run_if()`.

## Solution

Implement `Clone` for `CombinatorSystem<Func, A, B>` where `A, B:
Clone`.
2023-06-12 19:44:51 +00:00
Opstic
2b4fc10ccf
Initialize DiagnosticStore on register_diagnostic if it does not exist (#8819)
# Objective

- Fixes #8782

## Solution

- Call `init_resource` on `register_diagnostic` so that a
`DiagnosticStore` gets initialized if it does not exist.

---------

Co-authored-by: François <mockersf@gmail.com>
2023-06-12 19:40:09 +00:00
Nuutti Kotivuori
1977b6daf2
Fix documentation of SubApp extract (#8747)
# Objective

The `extract` function is given the main app world, and the subapp, not
vice versa as the comment would lead us to believe.

## Solution

Fix the doc.
2023-06-12 19:30:04 +00:00
lelo
278daab6ae
Rename Plane struct to HalfSpace (#8744)
# Objective

- Rename the `render::primitives::Plane` struct as to not confuse it
with `bevy_render::mesh::shape::Plane`
- Fixes https://github.com/bevyengine/bevy/issues/8730

## Solution

- Refactor the `render::primitives::Plane` struct to
`render::primitives::HalfSpace`
- Modify documentation to reflect this change

## Changelog

- Renamed `Plane` to `HalfSpace` to more accurately represent it's use
- Renamed `planes` member in `Frustum` to `half_spaces` to reflect
changes

## Migration Guide

- `Plane` has been renamed to `HalfSpace`
- `planes` member in `Frustum` has been renamed to `half_spaces`

---------

Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
Co-authored-by: Nicola Papale <nicopap@users.noreply.github.com>
2023-06-12 19:27:41 +00:00
Chris Sixsmith
a78c4d78d5
Make setup of Opaque3dPrepass and AlphaMask3dPrepass phase items consistent with others (#8408)
# Objective

When browsing the bevy source code to try and learn about
`bevy_core_pipeline`, I noticed that the `DrawFunctions` resources,
`sort_phase_system`s and texture preparation for the `Opaque3d` and
`AlphaMask3d` phase items are all set up in `bevy_core_pipeline`, while
the `Opaque3dPrepass` and `AlphaMask3dPrepass` phase items are only
*declared* in `bevy_core_pipeline`, and actually registered properly
with the renderer in `bevy_pbr`.

This means that, if I am trying to make crate that replaces `bevy_pbr`,
I need to make sure I manually fix this unfinished setup the same way
that `bevy_pbr` does. Worse, it means that if I try to use the
`PrepassNode` `bevy_core_pipeline` adds *without* fixing this, the
engine will simply crash because the `DrawFunctions<T>` resources cannot
be accessed.

The only advantage I can think of for bevy doing it this way is an
ambiguous performance save due to the prepass render phases not being
present unless you are using prepass materials with PBR.

## Solution

I have moved the registration of `DrawFunctions<T>`,
`sort_phase_system::<T>`, camera `RenderPhase` extraction, and texture
preparation for prepass's phase items into `bevy_core_pipeline`
alongside the equivalent code that sets up the `Opaque3d`, `AlphaMask3d`
and `Transparent3d` phase items.

Am open to tweaking this to improve the performance impact of prepass
things being around if the app doesn't use them if needed.

I've tested that the `shader_prepass` example still works with this
change.
2023-06-12 19:15:28 +00:00
Alice Cecile
584e7d00ff
Remove stray boilerplate line in bevy_dynamic_plugin/Cargo.toml (#8830)
This line is autogenerated with new projects and was never cleaned up.
2023-06-12 19:10:48 +00:00
Liam Gallagher
942766c485
Add integer equivalents for Rect (#7984)
## Objective

Add integer equivalents for the `Rect` type.

Closes #7967

## Solution

- Add `IRect` and `URect`

## Changelog

Added `IRect` and `URect` types.
2023-06-12 19:10:48 +00:00
Nicola Papale
f07bb3c449
Add last_changed_tick and added_tick to ComponentTicks (#8803)
# Objective

EntityRef::get_change_ticks mentions that ComponentTicks is useful to
create change detection for your own runtime.

However, ComponentTicks doesn't even expose enough data to create
something that implements DetectChanges. Specifically, we need to be
able to extract the last change tick.

## Solution

We add a method to get the last change tick. We also add a method to get
the added tick.

## Changelog

- Add `last_changed_tick` and `added_tick` to `ComponentTicks`
2023-06-12 17:55:09 +00:00
Natanael Mojica
f135535cd6
Rename Command's "write" method to "apply" (#8814)
# Objective

- Fixes #8811 .

## Solution

- Rename "write" method to "apply" in Command trait definition.
- Rename other implementations of command trait throughout bevy's code
base.

---

## Changelog

- Changed: `Command::write` has been changed to `Command::apply`
- Changed: `EntityCommand::write` has been changed to
`EntityCommand::apply`

## Migration Guide

- `Command::write` implementations need to be changed to implement
`Command::apply` instead. This is a mere name change, with no further
actions needed.
- `EntityCommand::write` implementations need to be changed to implement
`EntityCommand::apply` instead. This is a mere name change, with no
further actions needed.

---------

Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
2023-06-12 17:53:47 +00:00
Nicola Papale
ea887d8ffa
Allow unsized types as mapped value in Ref::map (#8817)
# Objective

- I can't map unsized type using `Ref::map` (for example `dyn Reflect`)

## Solution

- Allow unsized types (this is possible because `Ref` stores a reference
to `T`)
2023-06-12 17:52:11 +00:00
Nicola Papale
527d3a5885
Add iter_many_manual QueryState method (#8772)
# Objective

`QueryState` exposes a `get_manual` and `iter_manual` method. However,
there is now `iter_many_manual`.

`iter_many_manual` is useful when you have a `&World` (eg: the `world`
in a `Scene`) and want to run a query several times on it (eg:
iteratively navigate a hierarchy by calling `iter_many` on `Children`
component).

`iter_many`'s need for a `&mut World` makes the API much less flexible.
The exclusive access pattern requires doing some very funky dance and
excludes a category of algorithms for hierarchy traversal.

## Solution

- Add a `iter_many_manual` method to `QueryState`

### Alternative

My current workaround is to use `get_manual`. However, this doesn't
benefit from the optimizations on `QueryManyIter`.

---

## Changelog

- Add a `iter_many_manual` method to `QueryState`
2023-06-10 23:24:09 +00:00
JoJoJet
32faf4cb5c
Document every public item in bevy_ecs (#8731)
# Objective

Title.

---------

Co-authored-by: François <mockersf@gmail.com>
Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
Co-authored-by: James Liu <contact@jamessliu.com>
2023-06-10 23:23:48 +00:00
Nicola Papale
50bc785c8a
Add new and map methods to Ref (#8797)
# Objective

`Ref` is a useful way of accessing change detection data.

However, unlike `Mut`, it doesn't expose a constructor or even a way to
go from `Ref<A>` to `Ref<B>`.

Such methods could be useful, for example, to 3rd party crates that want
to expose change detection information in a clean way.

My use case is to map a `Ref<T>` into a `Ref<dyn Reflect>`, and keep
change detection info to avoid running expansive routines.

## Solution

We add the `new` and `map` methods. Since similar methods exist on `Mut`
where they are much more footgunny to use, I judged that it was
acceptable to create such methods.

## Workaround

Currently, it's not possible to create/project `Ref`s. One can define
their own `Ref` and implement `ChangeDetection` on it. One would then
use `ChangeTrackers` to populate the custom `Ref` with tick data.

---

## Changelog

- Added the `Ref::map` and `Ref::new` methods for more ergonomic `Ref`s

---------

Co-authored-by: Gino Valente <49806985+MrGVSV@users.noreply.github.com>
2023-06-10 23:19:52 +00:00
Nicola Papale
83de94f9f9
Register a few missed reflect components (#8807)
# Objective

-  Some reflect components weren't properly registered.

## Solution

- We register them
- I also sorted the register lines in `Plugin::build` in `bevy_ui`

### Note

How I did I find them:

- I picked up the list of `Component`s from the `Component` trait page
in rustdoc.
- Then I tried to register all of them. Removing the registration when
it doesn't implement `Reflect` to pass compilation.
- Then I added `app.register_type_data::<T, Foo>()`, for all Reflect
components. It panics if `T` is not registered.
- I repeated the last line N times until bevy stopped panicking at
startup

---

## Changelog

- Register the following components: `PrimaryWindow` `Fxaa`
`FogSettings` `NotShadowCaster` `NotShadowReceiver` `CalculatedClip`
`RelativeCursorPosition`
2023-06-10 23:19:39 +00:00
Nicola Papale
0ed8b20d8a
Remove Component derive for AlphaMode (#8804)
`AlphaMode` is not used as a component anywhere in the engine. It
shouldn't implement `Component`. It might mislead users into thinking it
has any effect as a component.

---

## Changelog

- Remove `Component` implementation for `AlphaMode`. It wasn't used by
anything.

## Migration Guide

`AlphaMode` is not a component anymore.

It wasn't used anywhere in the engine. If you were using it as a
component for your own purposes, you should use a newtype instead, as
follow:

```rust
#[derive(Component, Deref)]
struct MyAlphaMode(AlphaMode);
```

Then replace uses of `AlphaMode` with `MyAlphaMode`

```diff
- Query<&AlphaMode, …>,
+ Query<&MyAlphaMode, …>,
```
2023-06-10 22:38:07 +00:00
IceSentry
75da2e7adf
Disable camera on window close (#8802)
# Objective

- When a window is closed, the associated camera keeps rendering even if
the RenderTarget isn't valid anymore.
	- This is essentially just wasting a lot of performance.

## Solution

- Detect the window close event and disable any camera that used the
window has a RenderTarget.

## Notes

It's possible a similar thing could be done for camera that use an image
handle, but I would fix that in a separate PR.
2023-06-10 19:50:37 +00:00
Nicola Papale
c1fd505f9c
Implement Reflect on NoFrustumCulling (#8801)
# Objective

`NoFrustumCulling` doesn't implement `Reflect`, while nothing prevents
it from implementing it.

## Solution

Implement `Reflect` for it.

---

## Changelog

- Add `Reflect` derive to `NoFrustrumCulling`.
- Add `FromReflect` derive to `Visibility`.
2023-06-10 10:04:50 +00:00
ickshonpe
a1494e53df
Perform relative_cursor_position calculation vectorwise in ui_focus_system (#8795)
# Objective

This calculation is performed componentwise but all the values are
vectors so it should be using vector operations.
Works correctly with the `relative_cursor_position` example.
2023-06-09 12:01:07 +00:00
ickshonpe
dc3de5f9b8
Fix errors in the doc comment for UiSurface::upsert_node. (#8796)
# Objective

"Retrieves the taffy node corresponding to given entity exists" 😓
2023-06-09 11:59:57 +00:00
Thierry Berger
b559e9b6b4
bevy_reflect: implement Reflect for SmolStr (#8771)
# Objective
To upgrade winit's dependency, it's useful to reuse SmolStr, which
replaces/improves the too restrictive Key letter enums.

As Input<Key> is a resource it should implement Reflect through all its
fields.

## Solution

Add smol_str to bevy_reflect supported types, behind a feature flag.

This PR blocks winit's upgrade PR:
https://github.com/bevyengine/bevy/pull/8745.

# Current state

- I'm discovering bevy_reflect, I appreciate all feedbacks, and send me
your nitpicks!
- Lacking more tests

---------

Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
Co-authored-by: Gino Valente <49806985+MrGVSV@users.noreply.github.com>
2023-06-08 20:33:21 +00:00
Jim Eckerlein
008030357b
Touchpad magnify and rotate events (#8791)
# Objective

The goal of this PR is to receive touchpad magnification and rotation
events.

## Solution

Implement pendants for winit's `TouchpadMagnify` and `TouchpadRotate`
events.

Adjust the `mouse_input_events.rs` example to debug magnify and rotate
events.

Since winit only reports these events on macOS, the Bevy events for
touchpad magnification and rotation are currently only fired on macOS.
2023-06-08 20:31:43 +00:00
dependabot[bot]
d6d25d8c78
Update notify requirement from 5.0.0 to 6.0.0 (#8757)
Updates the requirements on
[notify](https://github.com/notify-rs/notify) to permit the latest
version.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/notify-rs/notify/blob/main/CHANGELOG.md">notify's
changelog</a>.</em></p>
<blockquote>
<h2>notify 6.0.0 (2023-05-17)</h2>
<ul>
<li>CHANGE: files and directories moved into a watch folder on Linux
will now be reported as <code>rename to</code> events instead of
<code>create</code> events <a
href="https://redirect.github.com/notify-rs/notify/issues/480">#480</a></li>
<li>CHANGE: on Linux <code>rename from</code> events will be emitted
immediately without starting a new thread <a
href="https://redirect.github.com/notify-rs/notify/issues/480">#480</a></li>
<li>CHANGE: raise MSRV to 1.60 <a
href="https://redirect.github.com/notify-rs/notify/issues/480">#480</a></li>
</ul>
<h2>debouncer-mini 0.3.0 (2023-05-17)</h2>
<ul>
<li>CHANGE: upgrade to notify 6.0.0, pushing MSRV to 1.60 <a
href="https://redirect.github.com/notify-rs/notify/issues/480">#480</a></li>
</ul>
<h2>debouncer-full 0.1.0 (2023-05-17)</h2>
<p>Newly introduced alternative debouncer with more features. <a
href="https://redirect.github.com/notify-rs/notify/issues/480">#480</a></p>
<ul>
<li>FEATURE: only emit a single <code>rename</code> event if the rename
<code>From</code> and <code>To</code> events can be matched</li>
<li>FEATURE: merge multiple <code>rename</code> events</li>
<li>FEATURE: keep track of the file system IDs all files and stiches
rename events together (FSevents, Windows)</li>
<li>FEATURE: emit only one <code>remove</code> event when deleting a
directory (inotify)</li>
<li>FEATURE: don't emit duplicate create events</li>
<li>FEATURE: don't emit <code>Modify</code> events after a
<code>Create</code> event</li>
</ul>
<p><a
href="https://redirect.github.com/notify-rs/notify/issues/480">#480</a>:
<a
href="https://redirect.github.com/notify-rs/notify/pull/480">notify-rs/notify#480</a></p>
<h2>notify 5.2.0 (2023-05-17)</h2>
<ul>
<li>CHANGE: implement <code>Copy</code> for <code>EventKind</code> and
<code>ModifyKind</code> <a
href="https://redirect.github.com/notify-rs/notify/issues/481">#481</a></li>
</ul>
<p><a
href="https://redirect.github.com/notify-rs/notify/issues/481">#481</a>:
<a
href="https://redirect.github.com/notify-rs/notify/pull/481">notify-rs/notify#481</a></p>
<h2>notify 5.1.0 (2023-01-15)</h2>
<ul>
<li>CHANGE: switch from winapi to windows-sys <a
href="https://redirect.github.com/notify-rs/notify/issues/457">#457</a></li>
<li>FIX: kqueue-backend: batch file-watching together to improve
performance <a
href="https://redirect.github.com/notify-rs/notify/issues/454">#454</a></li>
<li>DOCS: include license file in crate again <a
href="https://redirect.github.com/notify-rs/notify/issues/461">#461</a></li>
<li>DOCS: typo and examples fixups</li>
</ul>
<p><a
href="https://redirect.github.com/notify-rs/notify/issues/454">#454</a>:
<a
href="https://redirect.github.com/notify-rs/notify/pull/454">notify-rs/notify#454</a>
<a
href="https://redirect.github.com/notify-rs/notify/issues/461">#461</a>:
<a
href="https://redirect.github.com/notify-rs/notify/pull/461">notify-rs/notify#461</a>
<a
href="https://redirect.github.com/notify-rs/notify/issues/457">#457</a>:
<a
href="https://redirect.github.com/notify-rs/notify/pull/457">notify-rs/notify#457</a></p>
<h2>debouncer-mini 0.2.1 (2022-09-05)</h2>
<ul>
<li>DOCS: correctly document the <code>crossbeam</code> feature <a
href="https://redirect.github.com/notify-rs/notify/issues/440">#440</a></li>
</ul>
<p><a
href="https://redirect.github.com/notify-rs/notify/issues/440">#440</a>:
<a
href="https://redirect.github.com/notify-rs/notify/pull/440">notify-rs/notify#440</a></p>
<h2>debouncer-mini 0.2.0 (2022-08-30)</h2>
<p>Upgrade notify dependency to 5.0.0</p>
<!-- raw HTML omitted -->
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</details>
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2023-06-06 21:05:21 +00:00
dependabot[bot]
a782902538
Update ruzstd requirement from 0.3.1 to 0.4.0 (#8755)
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>No-std support and better dict API</h2>
<p>This release features no-std support with big thanks to <a
href="https://github.com/antangelo"><code>@​antangelo</code></a>!</p>
<p>Also the API for dictionaries has been revised, which required some
breaking changes in that department</p>
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2023-06-06 21:04:07 +00:00
Mike
0a90bac4f4
skip check change tick for apply_deferred systems (#8760)
# Objective

- Fixes https://github.com/bevyengine/bevy/issues/8410

## Solution

- Skip the check that produces the warning for apply_buffers systems.

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## Changelog

- skip check_change_ticks for apply_buffers systems.
2023-06-06 19:47:07 +00:00