Commit graph

4181 commits

Author SHA1 Message Date
JoJoJet
328347f44c
Add a missing safety invariant to System::run_unsafe (#7778)
# Objective

The implementation of `System::run_unsafe` for `FunctionSystem` requires
that the world is the same one used to initialize the system. However,
the `System` trait has no requirements that the world actually matches,
which makes this implementation unsound.

This was previously mentioned in
https://github.com/bevyengine/bevy/pull/7605#issuecomment-1426491871

Fixes part of #7833.

## Solution

Add the safety invariant that
`System::update_archetype_component_access` must be called prior to
`System::run_unsafe`. Since
`FunctionSystem::update_archetype_component_access` properly validates
the world, this ensures that `run_unsafe` is not called with a
mismatched world.

Most exclusive systems are not required to be run on the same world that
they are initialized with, so this is not a concern for them. Systems
formed by combining an exclusive system with a regular system *do*
require the world to match, however the validation is done inside of
`System::run` when needed.
2023-04-17 15:20:42 +00:00
Gino Valente
c320f54b50
bevy_reflect: Add benches for Struct::clone_dynamic and Reflect::get_type_info (#7764)
# Objective

There aren't any reflection bench tests for `Struct::clone_dynamic` or
`Reflect::get_type_info`.

## Solution

Add benches for `Struct::clone_dynamic` and `Reflect::get_type_info`.
2023-04-17 15:19:08 +00:00
Vladyslav Batyrenko
71fccb2897
Improve or-with disjoint checks (#7085)
# Objective

This PR attempts to improve query compatibility checks in scenarios
involving `Or` filters.

Currently, for the following two disjoint queries, Bevy will throw a
panic:

```
fn sys(_: Query<&mut C, Or<(With<A>, With<B>)>>, _: Query<&mut C, (Without<A>, Without<B>)>) {}
``` 

This PR addresses this particular scenario.

## Solution

`FilteredAccess::with` now stores a vector of `AccessFilters`
(representing a pair of `with` and `without` bitsets), where each member
represents an `Or` "variant".
Filters like `(With<A>, Or<(With<B>, Without<C>)>` are expected to be
expanded into `A * B + A * !C`.

When calculating whether queries are compatible, every `AccessFilters`
of a query is tested for incompatibility with every `AccessFilters` of
another query.

---

## Changelog

- Improved system and query data access compatibility checks in
scenarios involving `Or` filters

---------

Co-authored-by: MinerSebas <66798382+MinerSebas@users.noreply.github.com>
Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
2023-04-17 15:16:58 +00:00
Nicola Papale
c488b7089c
Fix pbr shader breaking on missing UVs (#8412)
# Objective

Fix #8409

Since `in` doesn't have a `uv` field when `VERTEX_UVS` is not defined,
it shouldn't be accessed outside of related `#ifdef`s
2023-04-17 06:22:34 +00:00
Nicola Papale
396c2713a6
Minor typo fixup (#8405)
# Objective

Fix two small typos in example description
2023-04-16 16:55:47 +00:00
JoJoJet
0174d632a5
Add a scope API for world schedules (#8387)
# Objective

If you want to execute a schedule on the world using arbitrarily complex
behavior, you currently need to use "hokey-pokey strats": remove the
schedule from the world, do your thing, and add it back to the world.
Not only is this cumbersome, it's potentially error-prone as one might
forget to re-insert the schedule.

## Solution

Add the `World::{try}schedule_scope{ref}` family of functions, which is
a convenient abstraction over hokey pokey strats. This method
essentially works the same way as `World::resource_scope`.

### Example

```rust
// Run the schedule five times.
world.schedule_scope(MySchedule, |world, schedule| {
    for _ in 0..5 {
        schedule.run(world);
    }
});
```

---

## Changelog

Added the `World::schedule_scope` family of methods, which provide a way
to get mutable access to a world and one of its schedules at the same
time.

---------

Co-authored-by: James Liu <contact@jamessliu.com>
2023-04-16 05:09:33 +00:00
IceSentry
c7eaedd6a1
Remove old post_processing example (#8376)
# Objective

- The old post processing example doesn't use the actual post processing
features of bevy. It also has some issues with resizing. It's also
causing some confusion for people because accessing the prepass textures
from it is not easy.
- There's already a render to texture example
- At this point, it's mostly obsolete since the post_process_pass
example is more complete and shows the recommended way to do post
processing in bevy. It's a bit more complicated, but it's well
documented and I'm working on simplifying it even more

## Solution

- Remove the old post_processing example
- Rename post_process_pass to post_processing


## Reviewer Notes
The diff is really noisy because of the rename, but I didn't change any
code in the example.

---------

Co-authored-by: James Liu <contact@jamessliu.com>
2023-04-15 21:48:31 +00:00
Nicola Papale
8df014fbaf
Add parallax mapping to bevy PBR (#5928)
# Objective

Add a [parallax mapping] shader to bevy. Please note that
this is a 3d technique, NOT a 2d sidescroller feature.

## Solution

- Add related fields to `StandardMaterial`
- update the pbr shader
- Add an example taking advantage of parallax mapping

A pre-existing implementation exists at:
https://github.com/nicopap/bevy_mod_paramap/

The implementation is derived from:

https://web.archive.org/web/20150419215321/http://sunandblackcat.com/tipFullView.php?l=eng&topicid=28

Further discussion on literature is found in the `bevy_mod_paramap`
README.

### Limitations

- The mesh silhouette isn't affected by the depth map.
- The depth of the pixel does not reflect its visual position, resulting
  in artifacts for depth-dependent features such as fog or SSAO
- GLTF does not define a height map texture, so somehow the user will
  always need to work around this limitation, though [an extension is in
  the works][gltf]

### Future work

- It's possible to update the depth in the depth buffer to follow the
  parallaxed texture. This would enable interop with depth-based
  visual effects, it also allows `discard`ing pixels of materials when
  computed depth is higher than the one in depth buffer
- Cheap lower quality single-sample method using [offset limiting]
- Add distance fading, to disable parallaxing (relatively expensive)
  on distant objects
- GLTF extension to allow defining height maps. Or a workaround
  implemented through a blender plugin to the GLTF exporter that
  uses the `extras` field to add height map.
- [Quadratic surface vertex attributes][oliveira_3] to enable parallax
  mapping on bending surfaces and allow clean silhouetting.
- noise based sampling, to limit the pancake artifacts.
- Cone mapping ([GPU gems], [Simcity (2013)][simcity]). Requires
  preprocessing, increase depth map size, reduces sample count greatly.
- [Quadtree parallax mapping][qpm] (also requires preprocessing)
- Self-shadowing of parallax-mapped surfaces by modifying the shadow map
- Generate depth map from normal map [link to slides], [blender
question]


https://user-images.githubusercontent.com/26321040/223563792-dffcc6ab-70e8-4ff9-90d1-b36c338695ad.mp4

[blender question]:
https://blender.stackexchange.com/questions/89278/how-to-get-a-smooth-curvature-map-from-a-normal-map
[link to slides]:
https://developer.download.nvidia.com/assets/gamedev/docs/nmap2displacement.pdf
[oliveira_3]:
https://www.inf.ufrgs.br/~oliveira/pubs_files/Oliveira_Policarpo_RP-351_Jan_2005.pdf
[GPU gems]:
https://developer.nvidia.com/gpugems/gpugems3/part-iii-rendering/chapter-18-relaxed-cone-stepping-relief-mapping
[simcity]:
https://community.simtropolis.com/omnibus/other-games/building-and-rendering-simcity-2013-r247/
[offset limiting]:
https://raw.githubusercontent.com/marcusstenbeck/tncg14-parallax-mapping/master/documents/Parallax%20Mapping%20with%20Offset%20Limiting%20-%20A%20Per-Pixel%20Approximation%20of%20Uneven%20Surfaces.pdf
[gltf]: https://github.com/KhronosGroup/glTF/pull/2196
[qpm]:
https://www.gamedevs.org/uploads/quadtree-displacement-mapping-with-height-blending.pdf

---

## Changelog

- Add a `depth_map` field to the `StandardMaterial`, it is a grayscale
  image where white represents bottom and black the top. If `depth_map`
  is set, bevy's pbr shader will use it to do [parallax mapping] to
  give an increased feel of depth to the material. This is similar to a
  displacement map, but with infinite precision at fairly low cost.
- The fields `parallax_mapping_method`, `parallax_depth_scale` and
  `max_parallax_layer_count` allow finer grained control over the
  behavior of the parallax shader.
- Add the `parallax_mapping` example to show off the effect.

[parallax mapping]: https://en.wikipedia.org/wiki/Parallax_mapping

---------

Co-authored-by: Robert Swain <robert.swain@gmail.com>
2023-04-15 10:25:14 +00:00
JoJoJet
1074a41b87
Fix docs for fixed timestep (#8363)
# Objective

The docs for `FixedTime::expend` are unfinished.
2023-04-14 19:41:31 +00:00
François
4805e48da9
Alien Cake Addict example: don't exit when player lose (#8388)
# Objective

- Example Alien Cake Addict exit when the player lose, it's not supposed
to

## Solution

- Don't despawn the window

---------

Co-authored-by: ira <JustTheCoolDude@gmail.com>
2023-04-14 19:38:34 +00:00
Jannik Obermann
d47bb3e6e9
Sync pbr_types.wgsl StandardMaterial values (#8380)
# Objective

The default StandardMaterial values of `pbr_material.rs` and
`pbr_types.wgsl` are out of sync.
I think they are out of sync since
https://github.com/bevyengine/bevy/pull/7664.

## Solution

Adapt the values: `metallic = 0.0`, `perceptual_roughness = 0.5`.
2023-04-14 05:52:57 +00:00
ickshonpe
0cbabefbad
UiRect axes constructor (#7656)
# Objective

We don't have a constructor function for `UiRect` that sets uniform
horizontal and vertical values, even though it is a common pattern.

## Solution

Add a constructor function to `UiRect` called `axes`, that sets both
`left` and `right` to the same given horizontal value,
and sets both `top` and `bottom` to same given vertical value.

## Changelog

* Added a constructor function `axes` to `UiRect`.
2023-04-13 20:52:21 +00:00
Sam T
b9f3272177
added multi-line string formatting (#8350)
# Objective

fixes #8348

## Solution

- Uses multi-line string with backslashes allowing rustfmt to work
properly in the surrounding area.

---------

Co-authored-by: François <mockersf@gmail.com>
2023-04-13 18:00:17 +00:00
JoJoJet
c37a53d52d
Add a regression test for change detection between piped systems (#8368)
# Objective

The behavior of change detection within `PipeSystem` is very tricky and
subtle, and is not currently covered by any of our tests as far as I'm
aware.
2023-04-13 17:59:29 +00:00
JohnTheCoolingFan
ff9a178818
Explain why default_nearest is used in pixel_perfect example (#8370)
# Objective

Fixes #8367 

## Solution

Added a comment explaining why linear filtering is required in this
example, with formatting focused specifically on `ImagePlugin` to avoid
confusion
2023-04-13 17:58:06 +00:00
James Liu
2ec38d1467
Inline more ECS functions (#8083)
# Objective
Upon closer inspection, there are a few functions in the ECS that are
not being inlined, even with the highest optimizations and LTO enabled:

- Almost all
[WorldQuery::init_fetch](9fd5f20e25/results/query_get.s (L57))
calls. Affects `Query::get` calls in hot loops. In particular, the
`WorldQuery` implementation for `()` is used *everywhere* as the default
filter and is effectively a no-op.
-
[Entities::get](9fd5f20e25/results/query_get.s (L39)).
Affects `Query::get`, `World::get`, and any component insertion or
removal.
-
[Entities::set](9fd5f20e25/results/entity_remove.s (L2487)).
Affects any component insertion or removal.
-
[Tick::new](9fd5f20e25/results/entity_insert.s (L1368)).
I've only seen this in component insertion and spawning.
 - ArchetypeRow::new
 - BlobVec::set_len

Almost all of these have trivial or even empty implementations or have
significant opportunity to be optimized into surrounding code when
inlined with LTO enabled.

## Solution
Inline them
2023-04-12 19:52:06 +00:00
JoJoJet
f3c7ccefc6
Fix panics and docs when using World schedules (#8364)
# Objective

The method `World::try_run_schedule` currently panics if the `Schedules`
resource does not exist, but it should just return an `Err`. Similarly,
`World::add_schedule` panics unnecessarily if the resource does not
exist.

Also, the documentation for `World::add_schedule` is completely wrong.

## Solution

When the `Schedules` resource does not exist, we now treat it the same
as if it did exist but was empty. When calling `add_schedule`, we
initialize it if it does not exist.
2023-04-12 19:29:08 +00:00
Olle Lukowski
14abff99f6
Improved AnimationPlugin declaration. (#8361)
# Objective

Fixes #8347.

## Solution

Implemented the suggested change to the `AnimationPlugin` declaration.
2023-04-12 19:27:38 +00:00
Jonah Henriksson
55e9ab7c92
Cleaned up panic messages (#8219)
# Objective

Fixes #8215 and #8152. When systems panic, it causes the main thread to
panic as well, which clutters the output.

## Solution

Resolves the panic in the multi-threaded scheduler. Also adds an extra
message that tells the user the system that panicked.

Using the example from the issue, here is what the messages now look
like:

```rust
use bevy::prelude::*;

fn main() {
    App::new()
        .add_plugins(DefaultPlugins)
        .add_systems(Update, panicking_system)
        .run();
}

fn panicking_system() {
    panic!("oooh scary");
}
```
### Before
```
   Compiling bevy_test v0.1.0 (E:\Projects\Rust\bevy_test)
    Finished dev [unoptimized + debuginfo] target(s) in 2m 58s
     Running `target\debug\bevy_test.exe`
2023-03-30T22:19:09.234932Z  INFO bevy_diagnostic::system_information_diagnostics_plugin::internal: SystemInfo { os: "Windows 10 Pro", kernel: "19044", cpu: "AMD Ryzen 5 2600 Six-Core Processor", core_count: "6", memory: "15.9 GiB" }
thread 'Compute Task Pool (5)' panicked at 'oooh scary', src\main.rs:11:5
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
thread 'Compute Task Pool (5)' panicked at 'A system has panicked so the executor cannot continue.: RecvError', E:\Projects\Rust\bevy\crates\bevy_ecs\src\schedule\executor\multi_threaded.rs:194:60
thread 'main' panicked at 'called `Option::unwrap()` on a `None` value', E:\Projects\Rust\bevy\crates\bevy_tasks\src\task_pool.rs:376:49
error: process didn't exit successfully: `target\debug\bevy_test.exe` (exit code: 101)
```
### After
```
   Compiling bevy_test v0.1.0 (E:\Projects\Rust\bevy_test)
    Finished dev [unoptimized + debuginfo] target(s) in 2.39s
     Running `target\debug\bevy_test.exe`
2023-03-30T22:11:24.748513Z  INFO bevy_diagnostic::system_information_diagnostics_plugin::internal: SystemInfo { os: "Windows 10 Pro", kernel: "19044", cpu: "AMD Ryzen 5 2600 Six-Core Processor", core_count: "6", memory: "15.9 GiB" }
thread 'Compute Task Pool (5)' panicked at 'oooh scary', src\main.rs:11:5
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
Encountered a panic in system `bevy_test::panicking_system`!
Encountered a panic in system `bevy_app::main_schedule::Main::run_main`!
error: process didn't exit successfully: `target\debug\bevy_test.exe` (exit code: 101)
```

---------

Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
Co-authored-by: François <mockersf@gmail.com>
2023-04-12 18:27:28 +00:00
JoJoJet
7ec89004dd
Only trigger state transitons if next_state != old_state (#8359)
# Objective

Fix #8191.

Currently, a state transition will be triggered whenever the `NextState`
resource has a value, even if that "transition" is to the same state as
the previous one. This caused surprising/meaningless behavior, such as
the existence of an `OnTransition { from: A, to: A }` schedule.

## Solution

State transition schedules now only run if the new state is not equal to
the old state. Change detection works the same way, only being triggered
when the states compare not equal.

---

## Changelog

- State transition schedules are no longer run when transitioning to and
from the same state.

## Migration Guide

State transitions are now only triggered when the exited and entered
state differ. This means that if the world is currently in state `A`,
the `OnEnter(A)` schedule (or `OnExit`) will no longer be run if you
queue up a state transition to the same state `A`.
2023-04-12 17:07:13 +00:00
James Liu
d623731e2c
Move event traces to detailed_trace! (#7732)
# Objective
Noticed while writing #7728 that we are using `trace!` logs in our event
functions. This has shown to have significant overhead, even trace level
logs are disabled globally, as seen in #7639.

## Solution
Use the `detailed_trace!` macro introduced in #7639. Also removed the
`event_trace` function that was only used in one location.

---

## Changelog
Changed: Event trace logs are now feature gated behind the
`detailed-trace` feature.
2023-04-11 03:37:58 +00:00
ira
52ee83e7e8
Fix viewport change detection (#8323)
# Objective

Fix #8321

## Solution

The `old_viewport_size` that is used to detect whether the viewport has
changed was not being updated and thus always `None`.
2023-04-10 20:41:32 +00:00
Liam Gallagher
dff071c2a8
Ability to set a Global Volume (#7706)
# Objective

Adds a new resource to control a global volume.
Fixes #7690

---

## Solution

Added a new resource to control global volume, this is then multiplied
with an audio sources volume to get the output volume, individual audio
sources can opt out of this my enabling the `absolute_volume` field in
`PlaybackSettings`.

---

## Changelog

### Added
- `GlobalVolume` a resource to control global volume (in prelude).
- `global_volume` field to `AudioPlugin` or setting the initial value of
`GlobalVolume`.
- `Volume` enum that can be `Relative` or `Absolute`.
- `VolumeLevel` struct for defining a volume level.

---------

Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
2023-04-10 14:08:43 +00:00
robtfm
cc8f023b3a
fix invalid bone weights (#8316)
# Objective

when a mesh uses zero for all bone weights, vertices end up in the
middle of the screen.

## Solution

we can address this by explicitly setting the first bone weight to 1
when the weights are given as zero. this is the approach taken by
[unity](https://forum.unity.com/threads/whats-the-problem-with-this-import-fbx-warning.133736/)
(although that also sets the bone index to zero) and
[three.js](94c1a4b86f/src/objects/SkinnedMesh.js (L98)),
and likely other engines.

## Alternatives

it does add a bit of overhead, and users can always fix this themselves,
though it's a bit awkward particularly with gltfs.

(note - this is for work so my sme status shouldn't apply)

---------

Co-authored-by: ira <JustTheCoolDude@gmail.com>
2023-04-10 07:49:53 +00:00
dependabot[bot]
be0ca7f168
Bump peter-evans/create-pull-request from 4 to 5 (#8343)
Bumps
[peter-evans/create-pull-request](https://github.com/peter-evans/create-pull-request)
from 4 to 5.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/peter-evans/create-pull-request/releases">peter-evans/create-pull-request's
releases</a>.</em></p>
<blockquote>
<h2>Create Pull Request v5.0.0</h2>
<h2>Behaviour changes</h2>
<ul>
<li>The action will no longer leave the local repository checked out on
the pull request <code>branch</code>. Instead, it will leave the
repository checked out on the branch or commit that it was when the
action started.</li>
<li>When using <code>add-paths</code>, uncommitted changes will no
longer be destroyed. They will be stashed and restored at the end of the
action run.</li>
</ul>
<h2>What's new</h2>
<ul>
<li>Adds input <code>body-path</code>, the path to a file containing the
pull request body.</li>
<li>At the end of the action run the local repository is now checked out
on the branch or commit that it was when the action started.</li>
<li>Any uncommitted tracked or untracked changes are now stashed and
restored at the end of the action run. Currently, this can only occur
when using the <code>add-paths</code> input, which allows for changes to
not be committed. Previously, any uncommitted changes would be
destroyed.</li>
<li>The proxy implementation has been revised but is not expected to
have any change in behaviour. It continues to support the standard
environment variables <code>http_proxy</code>, <code>https_proxy</code>
and <code>no_proxy</code>.</li>
<li>Now sets the git <code>safe.directory</code> configuration for the
local repository path. The configuration is removed when the action
completes. Fixes issue <a
href="https://redirect.github.com/peter-evans/create-pull-request/issues/1170">peter-evans/create-pull-request#1170</a>.</li>
<li>Now determines the git directory path using the <code>git rev-parse
--git-dir</code> command. This allows users with custom repository
configurations to use the action.</li>
<li>Improved handling of the <code>team-reviewers</code> input and
associated errors.</li>
</ul>
<h2>News</h2>
<p>🏆 create-pull-request won <a
href="https://twitter.com/peterevans0/status/1638463617686470657?s=20">an
award</a> for &quot;awesome action&quot; at the Open Source Awards at
GitHub Universe. Thank you for your support and for making
create-pull-request one of the top used actions. Please give it a
, or even <a href="https://github.com/sponsors/peter-evans">buy me
a coffee</a>.</p>
<h2>What's Changed</h2>
<ul>
<li>v5 by <a
href="https://github.com/peter-evans"><code>@​peter-evans</code></a> in
<a
href="https://redirect.github.com/peter-evans/create-pull-request/pull/1792">peter-evans/create-pull-request#1792</a></li>
<li>15 dependency updates by <a
href="https://github.com/dependabot"><code>@​dependabot</code></a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/peter-evans/create-pull-request/compare/v4.2.4...v5.0.0">https://github.com/peter-evans/create-pull-request/compare/v4.2.4...v5.0.0</a></p>
<h2>Create Pull Request v4.2.4</h2>
<p>⚙️ Patches some recent security vulnerabilities.</p>
<h2>What's Changed</h2>
<ul>
<li>Update concepts-guidelines.md by <a
href="https://github.com/chrisbruford"><code>@​chrisbruford</code></a>
in <a
href="https://redirect.github.com/peter-evans/create-pull-request/pull/1610">peter-evans/create-pull-request#1610</a></li>
<li>58 dependency updates by <a
href="https://github.com/dependabot"><code>@​dependabot</code></a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a
href="https://github.com/chrisbruford"><code>@​chrisbruford</code></a>
made their first contribution in <a
href="https://redirect.github.com/peter-evans/create-pull-request/pull/1610">peter-evans/create-pull-request#1610</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/peter-evans/create-pull-request/compare/v4.2.3...v4.2.4">https://github.com/peter-evans/create-pull-request/compare/v4.2.3...v4.2.4</a></p>
<h2>Create Pull Request v4.2.3</h2>
<h2>What's Changed</h2>
<ul>
<li>fix: add check for missing token input by <a
href="https://github.com/peter-evans"><code>@​peter-evans</code></a> in
<a
href="https://redirect.github.com/peter-evans/create-pull-request/pull/1324">peter-evans/create-pull-request#1324</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/peter-evans/create-pull-request/compare/v4.2.2...v4.2.3">https://github.com/peter-evans/create-pull-request/compare/v4.2.2...v4.2.3</a></p>
<h2>Create Pull Request v4.2.2</h2>
<h2>What's Changed</h2>
<ul>
<li>fix: support github server url for pushing to fork by <a
href="https://github.com/peter-evans"><code>@​peter-evans</code></a> in
<a
href="https://redirect.github.com/peter-evans/create-pull-request/pull/1318">peter-evans/create-pull-request#1318</a></li>
</ul>
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</blockquote>
<p>... (truncated)</p>
</details>
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<li><a
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2023-04-10 07:47:39 +00:00
Nicola Papale
f32ee63fb1
Fix transform propagation of orphaned entities (#7264)
# Objective

- Fix #7263

This has nothing to do with #7024. This is for the case where the
user opted to **not** keep the same global transform on update.

## Solution

- Add a `RemovedComponent<Parent>` to `propagate_transforms`
- Add a `RemovedComponent<Parent>` and `Local<Vec<Entity>>` to
`sync_simple_transforms`
- Add test to make sure all of this works.

### Performance note

This should only incur a cost in cases where a parent is removed.

A minimal overhead (one look up in the `removed_components`
sparse set) per root entities without children which transform didn't
change. A `Vec` the size of the largest number of entities removed
with a `Parent` component in a single frame, and a binary search on
a `Vec` per root entities.

It could slow up considerably in situations where a lot of entities are
orphaned consistently during every frame, since
`sync_simple_transforms` is not parallel. But in this situation,
it is likely that the overhead of archetype updates overwhelms
everything.

---

## Changelog

- Fix the `GlobalTransform` not getting updated when `Parent` is removed

## Migration Guide

- If you called `bevy_transform::systems::sync_simple_transforms` and
`bevy_transform::systems::propagate_transforms` (which is not
re-exported by bevy) you need to account for the additional
`RemovedComponents<Parent>` parameter.

---------

Co-authored-by: vyb <vyb@users.noreply.github.com>
Co-authored-by: JoJoJet <21144246+JoJoJet@users.noreply.github.com>
2023-04-09 20:53:33 +00:00
Ashy
0d971a63e4
Added documentation to the fields within derived read-only types (#8334)
Fixes #8333

# Objective

Fixes issue which causes failure to compile if using
`#![deny(missing_docs)]`.

## Solution

Added some very basic commenting to the generated read-only fields.
honestly I feel this to be up for debate since the comments are very
basic and give very little useful information but the purpose of this PR
is to fix the issue at hand.

---

## Changelog

Added comments to the derive macro and the projects now successfully
compile.

---------

Co-authored-by: lupan <kallll5@hotmail.com>
2023-04-09 14:37:34 +00:00
Mikkel Rasmussen
e9312254d8
Non-breaking change* from UK spellings to US (#8291)
Fixes issue mentioned in PR #8285.

_Note: By mistake, this is currently dependent on #8285_
# Objective

Ensure consistency in the spelling of the documentation.

Exceptions:
`crates/bevy_mikktspace/src/generated.rs` - Has not been changed from
licence to license as it is part of a licensing agreement.

Maybe for further consistency,
https://github.com/bevyengine/bevy-website should also be given a look.

## Solution

### Changed the spelling of the current words (UK/CN/AU -> US) :
cancelled -> canceled (Breaking API changes in #8285)
behaviour -> behavior (Breaking API changes in #8285)
neighbour -> neighbor
grey -> gray
recognise -> recognize
centre -> center
metres -> meters
colour -> color

### ~~Update [`engine_style_guide.md`]~~ Moved to #8324 

---

## Changelog

Changed UK spellings in documentation to US

## Migration Guide

Non-breaking changes*

\* If merged after #8285
2023-04-08 16:22:46 +00:00
JoJoJet
3ead10a3e0
Suppress the clippy::type_complexity lint (#8313)
# Objective

The clippy lint `type_complexity` is known not to play well with bevy.
It frequently triggers when writing complex queries, and taking the
lint's advice of using a type alias almost always just obfuscates the
code with no benefit. Because of this, this lint is currently ignored in
CI, but unfortunately it still shows up when viewing bevy code in an
IDE.

As someone who's made a fair amount of pull requests to this repo, I
will say that this issue has been a consistent thorn in my side. Since
bevy code is filled with spurious, ignorable warnings, it can be very
difficult to spot the *real* warnings that must be fixed -- most of the
time I just ignore all warnings, only to later find out that one of them
was real after I'm done when CI runs.

## Solution

Suppress this lint in all bevy crates. This was previously attempted in
#7050, but the review process ended up making it more complicated than
it needs to be and landed on a subpar solution.

The discussion in https://github.com/rust-lang/rust-clippy/pull/10571
explores some better long-term solutions to this problem. Since there is
no timeline on when these solutions may land, we should resolve this
issue in the meantime by locally suppressing these lints.

### Unresolved issues

Currently, these lints are not suppressed in our examples, since that
would require suppressing the lint in every single source file. They are
still ignored in CI.
2023-04-06 21:27:36 +00:00
Asier Illarramendi
b8b0942f49
Add overflow_debug example (#8198)
# Objective

- Add a new example that helps debug different UI overflow scenarios
- This example tests the clipping behavior for images and text when the
node is moved, scaled or rotated.

## Solution

- Add a new `overflow_debug` example

# Preview

**Note:** Only top-left is working properly right now.


https://user-images.githubusercontent.com/188612/227629093-26c94c67-1781-437d-8410-e854b6f1adc1.mp4

---

Related #8095, #8167

---------

Co-authored-by: Carter Anderson <mcanders1@gmail.com>
Co-authored-by: ickshonpe <david.curthoys@googlemail.com>
2023-04-05 23:07:41 +00:00
ira
585baf0a66
Consistent screen-space coordinates (#8306)
# Objective

Make the coordinate systems of screen-space items (cursor position, UI,
viewports, etc.) consistent.

## Solution

Remove the weird double inversion of the cursor position's Y origin.
Once in bevy_winit to the bottom and then again in bevy_ui back to the
top.
This leaves the origin at the top left like it is in every other popular
app framework.

Update the `world_to_viewport`, `viewport_to_world`, and
`viewport_to_world_2d` methods to flip the Y origin (as they should
since the viewport coordinates were always relative to the top left).

## Migration Guide

`Window::cursor_position` now returns the position of the cursor
relative to the top left instead of the bottom left.
This now matches other screen-space coordinates like
`RelativeCursorPosition`, UI, and viewports.

The `world_to_viewport`, `viewport_to_world`, and `viewport_to_world_2d`
methods on `Camera` now return/take the viewport position relative to
the top left instead of the bottom left.

If you were using `world_to_viewport` to position a UI node the returned
`y` value should now be passed into the `top` field on `Style` instead
of the `bottom` field.
Note that this might shift the position of the UI node as it is now
anchored at the top.

If you were passing `Window::cursor_position` to `viewport_to_world` or
`viewport_to_world_2d` no change is necessary.
2023-04-05 22:32:36 +00:00
ickshonpe
1a7f046c4d
Fix size of clipped text glyphs. (#8197)
# Objective

Text glyphs that were clipped were not sized correctly because the
transform extracted from the `extract_text_uinodes` had a scaling on it
that wasn't accounted for.

fixes #8167

## Solution

Remove the scaling from the transform and multiply the size of the
glyphs by the inverse of the scale factor.
2023-04-05 22:26:52 +00:00
ickshonpe
ff9f2234f3
UiImage helper functions (#8199)
# Objective

Add helper functions to `UiImage` for creating flipped images.

## Changelog

* Added `with_flip_x` and `with_flip_y` methods to `UiImage` that return
the `UiImage` flipped along the respective axis.
2023-04-05 22:19:46 +00:00
Hank Jordan
28046d5142
Expose AudioSink::empty() (#8145)
# Objective

Exposes `empty()` method for `AudioSink`.
Based on `0.10.0`, should be a non-breaking change.

---

## Changelog

- Expose `empty()` method for `AudioSink`
- Add `AudioSink::empty()` example

---------

Co-authored-by: hank <hank@hank.co.in>
Co-authored-by: Carter Anderson <mcanders1@gmail.com>
2023-04-05 21:54:14 +00:00
ickshonpe
6e67d3e534
Remove the corresponding measure from Taffy when a CalculatedSize component is removed. (#8294)
# Objective

When a `CalculatedSize` component from a UI Node entity is removed, the
corresponding Taffy measure isn't removed which will mess up the layout
in confusing, unpredictable ways.

## Solution

Iterate through all the entities with removed `CalculatedSize`
components and remove the corresponding Taffy measures.
2023-04-05 21:29:29 +00:00
Mikkel Rasmussen
1575481429
Changed spelling linebreak_behaviour to linebreak_behavior (#8285)
# Objective

In the
[`Text`](3442a13d2c/crates/bevy_text/src/text.rs (L18))
struct the field is named: `linebreak_behaviour`, the British spelling
of _behavior_.
**Update**, also found: 
- `FileDragAndDrop::HoveredFileCancelled` 
- `TouchPhase::Cancelled`
- `Touches.just_cancelled`

The majority of all spelling is in the US but when you have a lot of
contributors across the world, sometimes
spelling differences can pop up in APIs such as in this case. 

For consistency, I think it would be worth a while to ensure that the
API is persistent.

Some examples:
`from_reflect.rs` has `DefaultBehavior`
TextStyle has `color` and uses the `Color` struct.
In `bevy_input/src/Touch.rs` `TouchPhase::Cancelled` and _canceled_ are
used interchangeably in the documentation

I've found that there is also the same type of discrepancies in the
documentation, though this is a low priority but is worth checking.
**Update**: I've now checked the documentation (See #8291)

## Solution

I've only renamed the inconsistencies that have breaking changes and
documentation pertaining to them. The rest of the documentation will be
changed via #8291.

Do note that the winit API is written with UK spelling, thus this may be
a cause for confusion:
`winit::event::TouchPhase::Cancelled => TouchPhase::Canceled`
`winit::event::WindowEvent::HoveredFileCancelled` -> Related to
`FileDragAndDrop::HoveredFileCanceled`

But I'm hoping to maybe outline other spelling inconsistencies in the
API, and maybe an addition to the contribution guide.

---

## Changelog

- `Text` field `linebreak_behaviour` has been renamed to
`linebreak_behavior`.
- Event `FileDragAndDrop::HoveredFileCancelled` has been renamed to
`HoveredFileCanceled`
- Function `Touches.just_cancelled` has been renamed to
`Touches.just_canceled`
- Event `TouchPhase::Cancelled` has been renamed to
`TouchPhase::Canceled`

## Migration Guide

Update where `linebreak_behaviour` is used to `linebreak_behavior`
Updated the event `FileDragAndDrop::HoveredFileCancelled` where used to
`HoveredFileCanceled`
Update `Touches.just_cancelled` where used as `Touches.just_canceled`
The event `TouchPhase::Cancelled` is now called `TouchPhase::Canceled`
2023-04-05 21:25:53 +00:00
IceSentry
c70776b3cf
Use RenderGraphApp in more places (#8298)
# Objective

- RenderGraphExt was merged, but only used in limited situations

## Solution

- Fix some remaining issues with the existing api
- Use the new api in the main pass and mass writeback
- Add CORE_2D and CORE_3D constant to make render_graph code shorter
2023-04-05 20:57:56 +00:00
Erik Šabič
0a17751d16
Minor mistake in Frustum::intersects_obb (#8305)
# Objective

Fix a minor mistake

## Solution

Replaced an extraction of a plane normal with an existing method
2023-04-05 19:37:59 +00:00
James Liu
21e1893c4f
Remove capacity fields from all Buffer wrapper types (#8301)
# Objective
While working on #8299, I noticed that we're using a `capacity` field,
even though `wgpu::Buffer` exposes a `size` accessor that does the same
thing.

## Solution
Remove it from all buffer wrappers. Use `wgpu::Buffer::size` instead.
Default to 0 if no buffer has been allocated yet.
2023-04-04 20:12:31 +00:00
James Liu
63d89d31ba
Remove unnecesssary values Vec from DynamicUniformBuffer and DynamicStorageBuffer (#8299)
# Objective
Fixes #8284. `values` is being pushed to separately from the actual
scratch buffer in `DynamicUniformBuffer::push` and
`DynamicStorageBuffer::push`. In both types, `values` is really only
used to track the number of elements being added to the buffer, yet is
causing extra allocations, size increments and excess copies.

## Solution
Remove it and its remaining uses. Replace it with accesses to `scratch`
instead.

I removed the `len` accessor, as it may be non-trivial to compute just
from `scratch`. If this is still desirable to have, we can keep a `len`
member field to track it instead of relying on `scratch`.
2023-04-04 20:12:19 +00:00
Aceeri
ed50c8b4d9
Make state private and only accessible through getter for State resource (#8009)
# Objective
State requires a kind of awkward `state.0` to get the current state and
exposes the field directly to manipulation.

## Solution
Make it accessible through a getter method as well as privatize the
field to make sure false assumptions about setting the state aren't
made.

## Migration Guide
- Use `State::get` instead of accessing the tuple field directly.
2023-04-04 01:25:54 +00:00
James Liu
5fe7a403dc
Add a performance regression issue template (#8279)
# Objective
Closes #7821. A good chunk of performance related issues filed are tough
to take action on without much deeper investigation by the author, who
may or may not be responsive after filing the issue.

## Solution
Add a performance regression issue template and use it to direct users
to take a more proactive role in investigating the source of the
regression.

---------

Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
Co-authored-by: François <mockersf@gmail.com>
Co-authored-by: Carter Anderson <mcanders1@gmail.com>
2023-04-04 01:04:18 +00:00
IceSentry
614de3019c
Add RenderGraphApp to simplify adding render nodes (#8007)
# Objective

- Adding a node to the render_graph can be quite verbose and error prone
because there's a lot of moving parts to it.

## Solution

- Encapsulate this in a simple utility method
	- Mostly intended for optional nodes that have specific ordering
- Requires that the `Node` impl `FromWorld`, but every internal node is
built using a new function taking a `&mut World` so it was essentially
already `FromWorld`
- Use it for the bloom, fxaa and taa, nodes. 
- The main nodes don't use it because they rely more on the order of
many nodes being added

---

## Changelog

- Impl `FromWorld` for `BloomNode`, `FxaaNode` and `TaaNode`
- Added `RenderGraph::add_node_edges()`
- Added `RenderGraph::sub_graph()`
- Added `RenderGraph::sub_graph_mut()`
- Added `RenderGraphApp`, `RenderGraphApp::add_render_graph_node`,
`RenderGraphApp::add_render_graph_edges`,
`RenderGraphApp::add_render_graph_edge`

## Notes

~~This was taken out of https://github.com/bevyengine/bevy/pull/7995
because it works on it's own. Once the linked PR is done, the new
`add_node()` will be simplified a bit since the input/output params
won't be necessary.~~

This feature will be useful in most of the upcoming render nodes so it's
impact will be more relevant at that point.

Partially fixes #7985 

## Future work

* Add a way to automatically label nodes or at least make it part of the
trait. This would remove one more field from the functions added in this
PR
* Use it in the main pass 2d/3d

---------

Co-authored-by: Carter Anderson <mcanders1@gmail.com>
2023-04-04 00:50:22 +00:00
张林伟
5c7abb0579
Remove OnUpdate system set (#8260)
# Objective

- Fixes https://github.com/bevyengine/bevy/issues/8239.

## Solution

- Replace `OnUpdate` with `run_if(in_state(xxx))`.

---

## Migration Guide

- Replace `OnUpdate` with `run_if(in_state(xxx))`.

---------

Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
2023-04-04 00:49:41 +00:00
JoJoJet
b423e6ee15
Extend the WorldQuery macro to tuple structs (#8119)
# Objective

The `#[derive(WorldQuery)]` macro currently only supports structs with
named fields.

Same motivation as #6957. Remove sharp edges from the derive macro, make
it just work more often.

## Solution

Support tuple structs.

---

## Changelog

+ Added support for tuple structs to the `#[derive(WorldQuery)]` macro.
2023-04-04 00:49:03 +00:00
Zhixing Zhang
2aaaed7f69
Make bevy_render an optional dependency of bevy_scene (#8136)
# Objective

bevy-scene does not have a reason to depend on bevy-render except to
include the `Visibility` and `ComputedVisibility` components. Including
that in the dependency chain is unnecessary for people not using
`bevy_render`.

Also fixed a problem where compilation fails when the `serialize`
feature was not enabled.

## Solution

This was added in #5335 to address some of the problems caused by #5310.

Imo the user just always have to remember to include `VisibilityBundle`
when they spawn `SceneBundle` or `DynamicSceneBundle`, but that will be
a breaking change. This PR makes `bevy_render` an optional dependency of
`bevy_scene` instead to respect the existing behavior.
2023-04-03 21:23:26 +00:00
JoJoJet
086db6d22f
Update increment_change_tick to return a strongly-typed Tick (#8295)
# Objective

While migrating the engine to use the `Tick` type in #7905, I forgot to
update `UnsafeWorldCell::increment_change_tick`.

## Solution

Update the function.

---

## Changelog

- The function `UnsafeWorldCell::increment_change_tick` is now
strongly-typed, returning a value of type `Tick` instead of a raw `u32`.

## Migration Guide

The function `UnsafeWorldCell::increment_change_tick` is now
strongly-typed, returning a value of type `Tick` instead of a raw `u32`.
2023-04-03 17:42:27 +00:00
Elabajaba
09f1bd0be7
Add port of AMD's Robust Contrast Adaptive Sharpening (#7422)
# Objective

TAA, FXAA, and some other post processing effects can cause the image to
become blurry. Sharpening helps to counteract that.

## Solution

~~This is a port of AMD's Contrast Adaptive Sharpening (I ported it from
the
[SweetFX](https://github.com/CeeJayDK/SweetFX/blob/master/Shaders/CAS.fx)
version, which is still MIT licensed). CAS is a good sharpening
algorithm that is better at avoiding the full screen oversharpening
artifacts that simpler algorithms tend to create.~~

This is a port of AMD's Robust Contrast Adaptive Sharpening (RCAS) which
they developed for FSR 1 ([and continue to use in FSR
2](149cf26e12/src/ffx-fsr2-api/shaders/ffx_fsr1.h (L599))).
RCAS is a good sharpening algorithm that is better at avoiding the full
screen oversharpening artifacts that simpler algorithms tend to create.

---

## Future Work

- Consider porting this to a compute shader for potentially better
performance. (In my testing it is currently ridiculously cheap (0.01ms
in Bistro at 1440p where I'm GPU bound), so this wasn't a priority,
especially since it would increase complexity due to still needing the
non-compute version for webgl2 support).

---

## Changelog

- Added Contrast Adaptive Sharpening.

---------

Co-authored-by: JMS55 <47158642+JMS55@users.noreply.github.com>
2023-04-02 20:14:01 +00:00
JMS55
f0f5d79917
Built-in skybox (#8275)
# Objective

- Closes https://github.com/bevyengine/bevy/issues/8008

## Solution

- Add a skybox plugin that renders a fullscreen triangle, and then
modifies the vertices in a vertex shader to enforce that it renders as a
skybox background.
- Skybox is run at the end of MainOpaquePass3dNode.
- In the future, it would be nice to get something like bevy_atmosphere
built-in, and have a default skybox+environment map light.

---

## Changelog

- Added `Skybox`.
- `EnvironmentMapLight` now renders in the correct orientation.

## Migration Guide
- Flip `EnvironmentMapLight` maps if needed to match how they previously
rendered (which was backwards).

---------

Co-authored-by: Robert Swain <robert.swain@gmail.com>
Co-authored-by: robtfm <50659922+robtfm@users.noreply.github.com>
2023-04-02 10:57:12 +00:00
Natalia
7a9e77c79c
make the examples use the States derive macro (#8289)
# Objective
Some examples still manually implement the States trait, even though
manual implementation is no longer needed as there is now the derive
macro for that.

---------

Signed-off-by: Natalia Asteria <fortressnordlys@outlook.com>
2023-04-02 04:25:47 +00:00