Commit graph

294 commits

Author SHA1 Message Date
radiish
2b7a3b2a55
reflect: treat proxy types correctly when serializing (#12024)
# Objective

- Fixes #12001.
- Note this PR doesn't change any feature flags, however flaky the issue
revealed they are.

## Solution

- Use `FromReflect` to convert proxy types to concrete ones in
`ReflectSerialize::get_serializable`.
- Use `get_represented_type_info() -> type_id()` to get the correct type
id to interact with the registry in
`bevy_reflect::serde::ser::get_serializable`.

---

## Changelog

- Registering `ReflectSerialize` now imposes additional `FromReflect`
and `TypePath` bounds.

## Migration Guide

- If `ReflectSerialize` is registered on a type, but `TypePath` or
`FromReflect` implementations are omitted (perhaps by
`#[reflect(type_path = false)` or `#[reflect(from_reflect = false)]`),
the traits must now be implemented.

---------

Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
Co-authored-by: Gino Valente <49806985+MrGVSV@users.noreply.github.com>
2024-02-26 16:13:04 +00:00
Joona Aalto
9bd6cc0a5e
Add Direction3dA and move direction types out of primitives (#12018)
# Objective

Split up from #12017, add an aligned version of `Direction3d` for SIMD,
and move direction types out of `primitives`.

## Solution

Add `Direction3dA` and move direction types into a new `direction`
module.

---

## Migration Guide

The `Direction2d`, `Direction3d`, and `InvalidDirectionError` types have
been moved out of `bevy::math::primitives`.

Before:

```rust
use bevy::math::primitives::Direction3d;
```

After:

```rust
use bevy::math::Direction3d;
```

---------

Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
2024-02-26 13:57:49 +00:00
eri
5f8f3b532c
Check cfg during CI and fix feature typos (#12103)
# Objective

- Add the new `-Zcheck-cfg` checks to catch more warnings
- Fixes #12091

## Solution

- Create a new `cfg-check` to the CI that runs `cargo check -Zcheck-cfg
--workspace` using cargo nightly (and fails if there are warnings)
- Fix all warnings generated by the new check

---

## Changelog

- Remove all redundant imports
- Fix cfg wasm32 targets
- Add 3 dead code exceptions (should StandardColor be unused?)
- Convert ios_simulator to a feature (I'm not sure if this is the right
way to do it, but the check complained before)

## Migration Guide

No breaking changes

---------

Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
2024-02-25 15:19:27 +00:00
Ame
9d67edc3a6
fix some typos (#12038)
# Objective

Split - containing only the fixed typos

-
https://github.com/bevyengine/bevy/pull/12036#pullrequestreview-1894738751


# Migration Guide
In `crates/bevy_mikktspace/src/generated.rs` 

```rs
// before
pub struct SGroup {
    pub iVertexRepresentitive: i32,
    ..
}

// after
pub struct SGroup {
    pub iVertexRepresentative: i32,
    ..
}
```

In `crates/bevy_core_pipeline/src/core_2d/mod.rs`

```rs
// before
Node2D::ConstrastAdaptiveSharpening

// after
Node2D::ContrastAdaptiveSharpening
```

---------

Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
Co-authored-by: James Liu <contact@jamessliu.com>
Co-authored-by: François <mockersf@gmail.com>
2024-02-22 18:55:22 +00:00
github-actions[bot]
e7c3359c4b
Bump Version after Release (#12020)
Fixes #12016.

Bump version after release
This PR has been auto-generated

Co-authored-by: Bevy Auto Releaser <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: François <mockersf@gmail.com>
2024-02-21 20:58:59 +00:00
Marco Buono
a475511f43
Add method for querying whether a given short type path is ambiguous (#11840)
# Objective

Currently, the `ambiguous_names` hash set in `TypeRegistry` is used to
keep track of short type names that are ambiguous, and to require the
use of long type names for these types.

However, there's no way for the consumer of `TypeRegistry` to known
whether a given call to `get_with_short_type_path()` or
`get_with_short_type_path_mut()` failed because a type was not
registered at all, or because the short name is ambiguous.

This can be used, for example, for better error reporting to the user by
an editor tool. Here's some code that uses this, from my remote protocol
exploration branch:

```rust
let type_registration = type_registry
  .get_with_type_path(component_name)
  .or_else(|| registry.get_with_short_type_path(component_name))
  .ok_or_else(|| {
      if type_registry.is_ambiguous(component_name) {
          BrpError::ComponentAmbiguous(component_name.clone())
      } else {
          BrpError::MissingTypeRegistration(component_name.clone())
      }
  })?
```

## Solution

- Introduces a `is_ambiguous()` method.
- Also drive-by fixes two documentation comments that had broken links.

---

## Changelog

- Added a `TypeRegistry::is_ambiguous()` method, for checking whether a
given short type path is ambiguous (e.g. `MyType` potentially matching
either `some_crate::MyType` or `another_crate::MyType`)

---------

Co-authored-by: François <mockersf@gmail.com>
2024-02-19 16:47:11 +00:00
Patrick Walton
5f1dd3918b
Rework animation to be done in two phases. (#11707)
# Objective

Bevy's animation system currently does tree traversals based on `Name`
that aren't necessary. Not only do they require in unsafe code because
tree traversals are awkward with parallelism, but they are also somewhat
slow, brittle, and complex, which manifested itself as way too many
queries in #11670.

# Solution

Divide animation into two phases: animation *advancement* and animation
*evaluation*, which run after one another. *Advancement* operates on the
`AnimationPlayer` and sets the current animation time to match the game
time. *Evaluation* operates on all animation bones in the scene in
parallel and sets the transforms and/or morph weights based on the time
and the clip.

To do this, we introduce a new component, `AnimationTarget`, which the
asset loader places on every bone. It contains the ID of the entity
containing the `AnimationPlayer`, as well as a UUID that identifies
which bone in the animation the target corresponds to. In the case of
glTF, the UUID is derived from the full path name to the bone. The rule
that `AnimationTarget`s are descendants of the entity containing
`AnimationPlayer` is now just a convention, not a requirement; this
allows us to eliminate the unsafe code.

# Migration guide

* `AnimationClip` now uses UUIDs instead of hierarchical paths based on
the `Name` component to refer to bones. This has several consequences:
- A new component, `AnimationTarget`, should be placed on each bone that
you wish to animate, in order to specify its UUID and the associated
`AnimationPlayer`. The glTF loader automatically creates these
components as necessary, so most uses of glTF rigs shouldn't need to
change.
- Moving a bone around the tree, or renaming it, no longer prevents an
`AnimationPlayer` from affecting it.
- Dynamically changing the `AnimationPlayer` component will likely
require manual updating of the `AnimationTarget` components.
* Entities with `AnimationPlayer` components may now possess descendants
that also have `AnimationPlayer` components. They may not, however,
animate the same bones.
* As they aren't specific to `TypeId`s,
`bevy_reflect::utility::NoOpTypeIdHash` and
`bevy_reflect::utility::NoOpTypeIdHasher` have been renamed to
`bevy_reflect::utility::NoOpHash` and
`bevy_reflect::utility::NoOpHasher` respectively.
2024-02-19 14:59:54 +00:00
Carter Anderson
abb8c353f4
Release 0.13.0 (#11920)
Bump Bevy crates to 0.13.0 in preparation for release.

(Note that we accidentally skipped the `0.13.0-dev` step this cycle)
2024-02-17 09:24:25 +00:00
Gino Valente
9e30aa7c92
bevy_reflect_derive: Clean up attribute logic (#11777)
# Objective

The code in `bevy_reflect_derive` could use some cleanup.

## Solution

Took some of the changes in #11659 to create a dedicated PR for cleaning
up the field and container attribute logic.

#### Updated Naming

I renamed `ReflectTraits` and `ReflectFieldAttr` to
`ContainerAttributes` and `FieldAttributes`, respectively. I think these
are clearer.

#### Updated Parsing

##### Readability

The parsing logic wasn't too bad before, but it was getting difficult to
read. There was some duplicated logic between `Meta::List` and
`Meta::Path` attributes. Additionally, all the logic was kept inside a
large method.

To simply things, I replaced the nested meta parsing with `ParseStream`
parsing. In my opinion, this is easier to follow since it breaks up the
large match statement into a small set of single-line if statements,
where each if-block contains a single call to the appropriate attribute
parsing method.

##### Flexibility

On top of the added simplicity, this also makes our attribute parsing
much more flexible. It allows us to more elegantly handle custom where
clauses (i.e. `#[reflect(where T: Foo)]`) and it opens the door for more
non-standard attribute syntax (e.g. #11659).

##### Errors

This also allows us to automatically provide certain errors when
parsing. For example, since we can use `stream.lookahead1()`, we get
errors like the following for free:

```
error: expected one of: `ignore`, `skip_serializing`, `default`
    --> crates/bevy_reflect/src/lib.rs:1988:23
     |
1988 |             #[reflect(foo)]
     |                       ^^^
```

---

## Changelog

> [!note]
> All changes are internal to `bevy_reflect_derive` and should not
affect the public API[^1].

- Renamed `ReflectTraits` to `ContainerAttributes`
  - Renamed `ReflectMeta::traits` to `ReflectMeta::attrs`
- Renamed `ReflectFieldAttr` to `FieldAttributes`
- Updated parsing logic for field/container attribute parsing
  - Now uses a `ParseStream` directly instead of nested meta parsing
- General code cleanup of the field/container attribute modules for
`bevy_reflect_derive`


[^1]: Does not include errors, which may look slightly different.

---------

Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
2024-02-12 15:16:27 +00:00
Doonv
1c67e020f7
Move EntityHash related types into bevy_ecs (#11498)
# Objective

Reduce the size of `bevy_utils`
(https://github.com/bevyengine/bevy/issues/11478)

## Solution

Move `EntityHash` related types into `bevy_ecs`. This also allows us
access to `Entity`, which means we no longer need `EntityHashMap`'s
first generic argument.

---

## Changelog

- Moved `bevy::utils::{EntityHash, EntityHasher, EntityHashMap,
EntityHashSet}` into `bevy::ecs::entity::hash` .
- Removed `EntityHashMap`'s first generic argument. It is now hardcoded
to always be `Entity`.

## Migration Guide

- Uses of `bevy::utils::{EntityHash, EntityHasher, EntityHashMap,
EntityHashSet}` now have to be imported from `bevy::ecs::entity::hash`.
- Uses of `EntityHashMap` no longer have to specify the first generic
parameter. It is now hardcoded to always be `Entity`.
2024-02-12 15:02:24 +00:00
Tristan Guichaoua
33676112da
doc(bevy_reflect): add note about trait bounds on impl_type_path (#11810)
# Objective

- fixes #11651
2024-02-10 15:18:16 +00:00
Doonv
054134fba2
Add ReflectKind (#11664)
# Objective

Fix https://github.com/bevyengine/bevy/issues/11657

## Solution

Add a `ReflectKind` enum, add `Reflect::reflect_kind` which returns a
`ReflectKind`, and add `kind` method implementions to `ReflectRef`,
`ReflectMut`, and `ReflectOwned`, which returns a `ReflectKind`.

I also changed `AccessError` to use this new struct instead of it's own
`TypeKind` struct.

---

## Changelog

- Added `ReflectKind`, an enumeration over the kinds of a reflected type
without its data.
- Added `Reflect::reflect_kind` (with default implementation)
- Added implementation for the `kind` method on `ReflectRef`,
`ReflectMut`, and `ReflectOwned` which gives their kind without any
information, as a `ReflectKind`
2024-02-07 00:36:23 +00:00
SpecificProtagonist
8faaef17e5
Hash stability guarantees (#11690)
# Objective

We currently over/underpromise hash stability:
- `HashMap`/`HashSet` use `BuildHasherDefault<AHasher>` instead of
`RandomState`. As a result, the hash is stable within the same run.
- [aHash isn't stable between devices (and
versions)](https://github.com/tkaitchuck/ahash?tab=readme-ov-file#goals-and-non-goals),
yet it's used for `StableHashMap`/`StableHashSet`
- the specialized hashmaps are stable

Interestingly, `StableHashMap`/`StableHashSet` aren't used by Bevy
itself (anymore).

## Solution
Add/fix documentation

## Alternatives
For `StableHashMap`/`StableHashSet`:
- remove them
- revive #7107

---

## Changelog
- added iteration stability guarantees for different hashmaps
2024-02-05 17:05:15 +00:00
Doonv
56076b7b0c
Improve DynamicStruct::insert (#11068)
# Objective

I wanted to pass in a `String` to `DynamicStruct::insert_boxed` but it
took in a &str. That's fine but I also saw that it immediately converted
the `&str` to a `String`. Which is wasteful.

## Solution

I made `DynamicStruct::insert_boxed` take in a `impl Into<Cow<str>>`.
Same for `DynamicStruct::insert`.

---

## Changelog

- `DynamicStruct::insert_boxed` and `DynamicStruct::insert` now support
taking in anything that implements `impl Into<Cow<str>>`.
2024-02-05 13:57:25 +00:00
Gino Valente
71be08af68
bevy_reflect: Reflect &'static str (#11686)
# Objective

`&'static str` doesn't implement `Reflect`. I don't think this was
intentionally excluded.

## Solution

Make `&'static str` implement `Reflect`.

---

## Changelog

- Implement `Reflect` and friends for `&'static str`
- Add missing `Reflect::debug` implementation for `Cow<'static, str>`
2024-02-04 01:32:48 +00:00
SpecificProtagonist
21aa5fe2b6
Use TypeIdMap whenever possible (#11684)
Use `TypeIdMap<T>` instead of `HashMap<TypeId, T>`

- ~~`TypeIdMap` was in `bevy_ecs`. I've kept it there because of
#11478~~
- ~~I haven't swapped `bevy_reflect` over because it doesn't depend on
`bevy_ecs`, but I'd also be happy with moving `TypeIdMap` to
`bevy_utils` and then adding a dependency to that~~
- ~~this is a slight change in the public API of
`DrawFunctionsInternal`, does this need to go in the changelog?~~

## Changelog
- moved `TypeIdMap` to `bevy_utils`
- changed `DrawFunctionsInternal::indices` to `TypeIdMap`

## Migration Guide

- `TypeIdMap` now lives in `bevy_utils`
- `DrawFunctionsInternal::indices` now uses a `TypeIdMap`.

---------

Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
2024-02-03 23:47:04 +00:00
Tristan Guichaoua
694c06f3d0
Inverse missing_docs logic (#11676)
# Objective

Currently the `missing_docs` lint is allowed-by-default and enabled at
crate level when their documentations is complete (see #3492).
This PR proposes to inverse this logic by making `missing_docs`
warn-by-default and mark crates with imcomplete docs allowed.

## Solution

Makes `missing_docs` warn at workspace level and allowed at crate level
when the docs is imcomplete.
2024-02-03 21:40:55 +00:00
Doonv
b1a2d342af
Add the ability to manually create ParsedPaths (+ cleanup) (#11029)
# Objective

I'm working on a developer console plugin, and I wanted to get a
field/index of a struct/list/tuple. My command parser already parses
member expressions and all that, so I wanted to construct a `ParsedPath`
manually, but it's all private.

## Solution

Make the internals of `ParsedPath` public and add documentation for
everything, and I changed the boxed slice inside `ParsedPath` to a
vector for more flexibility.

I also did a bunch of code cleanup. Improving documentation, error
messages, code, type names, etc.

---

## Changelog

- Added the ability to manually create `ParsedPath`s from their
elements, without the need of string parsing.
- Improved `ReflectPath` error handling.

## Migration Guide

-  `bevy::reflect::AccessError` has been refactored.

That should be it I think, everything else that was changed was private
before this PR.

---------

Co-authored-by: Nicola Papale <nicopap@users.noreply.github.com>
2024-02-01 19:22:40 +00:00
radiish
df761af49b
reflection: replace impl_reflect_struct with impl_reflect (#11437)
# Objective

- `impl_reflect_struct` doesn't cover tuple structs or enums.
- Problem brought up [on
Discord](https://discord.com/channels/691052431525675048/1002362493634629796/1190623345817960463).

## Solution

- Replaces `impl_reflect_struct` with the new `impl_reflect` which works
for tuple structs and enums too.

---

## Changelog

- Internally in `bevy_reflect_derive`, we have a new `ReflectProvenance`
type which is composed of `ReflectTraitToImpl` and `ReflectSource`.
- `impl_reflect_struct` is gone and totally superseded by
`impl_reflect`.

---------

Co-authored-by: Gino Valente <49806985+MrGVSV@users.noreply.github.com>
2024-01-30 14:39:01 +00:00
dependabot[bot]
a6ec32aca4
Update erased-serde requirement from 0.3 to 0.4 (#11599)
Updates the requirements on
[erased-serde](https://github.com/dtolnay/erased-serde) to permit the
latest version.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/dtolnay/erased-serde/releases">erased-serde's
releases</a>.</em></p>
<blockquote>
<h2>0.4.2</h2>
<ul>
<li>Update proc-macro2 to fix caching issue when using a rustc-wrapper
such as sccache</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="8f555a2db2"><code>8f555a2</code></a>
Release 0.4.2</li>
<li><a
href="450a9108fc"><code>450a910</code></a>
Pull in proc-macro2 sccache fix</li>
<li><a
href="4726cdb49d"><code>4726cdb</code></a>
Release 0.4.1</li>
<li><a
href="4e04e70902"><code>4e04e70</code></a>
Merge pull request <a
href="https://redirect.github.com/dtolnay/erased-serde/issues/101">#101</a>
from dtolnay/sererror</li>
<li><a
href="c670c72da5"><code>c670c72</code></a>
Preserve error message of errors originated from Serialize impl</li>
<li><a
href="6893670cca"><code>6893670</code></a>
Ignore box_collection clippy lint</li>
<li><a
href="7ddf6aadd8"><code>7ddf6aa</code></a>
Merge pull request <a
href="https://redirect.github.com/dtolnay/erased-serde/issues/100">#100</a>
from KodrAus/fix/failing-serialize-impl</li>
<li><a
href="8227d20573"><code>8227d20</code></a>
handle the case where a Serialize fails without calling the
Serializer</li>
<li><a
href="160c15393e"><code>160c153</code></a>
Release 0.4.0</li>
<li><a
href="2e48977019"><code>2e48977</code></a>
Merge pull request <a
href="https://redirect.github.com/dtolnay/erased-serde/issues/99">#99</a>
from dtolnay/bench</li>
<li>Additional commits viewable in <a
href="https://github.com/dtolnay/erased-serde/compare/0.3.0...0.4.2">compare
view</a></li>
</ul>
</details>
<br />


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2024-01-29 19:03:55 +00:00
Gino Valente
379b9e5cb6
bevy_reflect: Split #[reflect(where)] (#11597)
# Objective

Revert the changes to type parameter bounds introduced in #9046,
improves the `#[reflect(where)]` attribute (also from #9046), and adds
the ability to opt out of field bounds.

This is based on suggestions by @soqb and discussion on
[Discord](https://discord.com/channels/691052431525675048/1002362493634629796/1201227833826103427).

## Solution

Reverts the changes to type parameter bounds when deriving `Reflect`,
introduced in #9046. This was originally done as a means of fixing a
recursion issue (#8965). However, as @soqb pointed out, we could achieve
the same result by simply making an opt-out attribute instead of messing
with the type parameter bounds.

This PR has four main changes:
1. Reverts the type parameter bounds from #9046
2. Includes `TypePath` as a default bound for active fields
3. Changes `#reflect(where)]` to be strictly additive
4. Adds `#reflect(no_field_bounds)]` to opt out of field bounds

Change 1 means that, like before, type parameters only receive at most
the `TypePath` bound (if `#[reflect(type_path = false)]` is not present)
and active fields receive the `Reflect` or `FromReflect` bound. And with
Change 2, they will also receive `TypePath` (since it's indirectly
required by `Typed` to construct `NamedField` and `UnnamedField`
instances).

Change 3 was made to make room for Change 4. By splitting out the
responsibility of `#reflect(where)]`, we can use it with or without
`#reflect(no_field_bounds)]` for various use cases.

For example, if we hadn't done this, the following would have failed:

```rust
// Since we're not using `#reflect(no_field_bounds)]`, 
// `T::Assoc` is automatically given the required bounds
// of `FromReflect + TypePath`
#[derive(Reflect)]
#[reflect(where T::Assoc: OtherTrait)]
struct Foo<T: MyTrait> {
  value: T::Assoc,
}
```

This provides more flexibility to the user while still letting them add
or remove most trait bounds.

And to solve the original recursion issue, we can do:

```rust
#[derive(Reflect)]
#[reflect(no_field_bounds)] // <-- Added
struct Foo {
  foo: Vec<Foo>
}
```

#### Bounds

All in all, we now have four sets of trait bounds:
- `Self` gets the bounds `Any + Send + Sync`
- Type parameters get the bound `TypePath`. This can be opted out of
with `#[reflect(type_path = false)]`
- Active fields get the bounds `TypePath` and `FromReflect`/`Reflect`
bounds. This can be opted out of with `#reflect(no_field_bounds)]`
- Custom bounds can be added with `#[reflect(where)]`

---

## Changelog

- Revert some changes #9046
- `#reflect(where)]` is now strictly additive
- Added `#reflect(no_field_bounds)]` attribute to opt out of automatic
field trait bounds when deriving `Reflect`
- Made the `TypePath` requirement on fields when deriving `Reflect` more
explicit

## Migration Guide

> [!important]
> This PR shouldn't be a breaking change relative to the current version
of Bevy (v0.12). And since it removes the breaking parts of #9046, that
PR also won't need a migration guide.
2024-01-29 17:54:17 +00:00
Joona Aalto
a9f061e909
Add Capsule2d primitive (#11585)
# Objective

Currently, the `Capsule` primitive is technically dimension-agnostic in
that it implements both `Primitive2d` and `Primitive3d`. This seems good
on paper, but it can often be useful to have separate 2D and 3D versions
of primitives.

For example, one might want a two-dimensional capsule mesh. We can't
really implement both 2D and 3D meshing for the same type using the
upcoming `Meshable` trait (see #11431). We also currently don't
implement `Bounded2d` for `Capsule`, see
https://github.com/bevyengine/bevy/pull/11336#issuecomment-1890797788.

Having 2D and 3D separate at a type level is more explicit, and also
more consistent with the existing primitives, as there are no other
types that implement both `Primitive2d` and `Primitive3d` at the same
time.

## Solution

Rename `Capsule` to `Capsule3d` and add `Capsule2d`. `Capsule2d`
implements `Bounded2d`.

For now, I went for `Capsule2d` for the sake of consistency and clarity.
Mathematically the more accurate term would be `Stadium` or `Pill` (see
[Wikipedia](https://en.wikipedia.org/wiki/Stadium_(geometry))), but
those might be less obvious to game devs. For reference, Godot has
[`CapsuleShape2D`](https://docs.godotengine.org/en/stable/classes/class_capsuleshape2d.html).
I can rename it if others think the geometrically correct name is better
though.

---

## Changelog

- Renamed `Capsule` to `Capsule3d`
- Added `Capsule2d` with `Bounded2d` implemented

---------

Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
2024-01-29 17:52:04 +00:00
Tristan Guichaoua
b0f5d4df58
Enable the unsafe_op_in_unsafe_fn lint (#11591)
# Objective

- Partial fix of #11590

## Solution

- Enable `unsafe_op_in_unsafe_fn` at workspace level
- Fix the lint for most of the crates
2024-01-28 23:18:11 +00:00
Gino Valente
6e959db134
bevy_reflect: Type parameter bounds (#9046)
# Objective

Fixes #8965.

#### Background

For convenience and to ensure everything is setup properly, we
automatically add certain bounds to the derived types. The current
implementation does this by taking the types from all active fields and
adding them to the where-clause of the generated impls. I believe this
method was chosen because it won't add bounds to types that are
otherwise ignored.

```rust
#[derive(Reflect)]
struct Foo<T, U: SomeTrait, V> {
  t: T,
  u: U::Assoc,
  #[reflect(ignore)]
  v: [V; 2]
}

// Generates something like:
impl<T, U: SomeTrait, V> for Foo<T, U, V>
where
  // Active:
  T: Reflect,
  U::Assoc: Reflect,

  // Ignored:
  [V; 2]: Send + Sync + Any
{
  // ...
}
```

The self-referential type fails because it ends up using _itself_ as a
type bound due to being one of its own active fields.

```rust
#[derive(Reflect)]
struct Foo {
  foo: Vec<Foo>
}

// Foo where Vec<Foo>: Reflect -> Vec<T> where T: Reflect -> Foo where Vec<Foo>: Reflect -> ...
```

## Solution

We can't simply parse all field types for the name of our type. That
would be both complex and prone to errors and false-positives. And even
if it wasn't, what would we replace the bound with?

Instead, I opted to go for a solution that only adds the bounds to what
really needs it: the type parameters. While the bounds on concrete types
make errors a bit cleaner, they aren't strictly necessary. This means we
can change our generated where-clause to only add bounds to generic type
parameters.

Doing this, though, returns us back to the problem of over-bounding
parameters that don't need to be bounded. To solve this, I added a new
container attribute (based on
[this](https://github.com/dtolnay/syn/issues/422#issuecomment-406882925)
comment and @nicopap's
[comment](https://github.com/bevyengine/bevy/pull/9046#issuecomment-1623593780))
that allows us to pass in a custom where clause to modify what bounds
are added to these type parameters.

This allows us to do stuff like:

```rust
trait Trait {
  type Assoc;
}

// We don't need `T` to be reflectable since we only care about `T::Assoc`.
#[derive(Reflect)]
#[reflect(where T::Assoc: FromReflect)]
struct Foo<T: Trait>(T::Assoc);

#[derive(TypePath)]
struct Bar;

impl Trait for Bar {
  type Assoc = usize;
}

#[derive(Reflect)]
struct Baz {
  a: Foo<Bar>,
}
```

> **Note**
> I also
[tried](dc139ea34c)
allowing `#[reflect(ignore)]` to be used on the type parameters
themselves, but that proved problematic since the derive macro does not
consume the attribute. This is why I went with the container attribute
approach.

### Alternatives

One alternative could possibly be to just not add reflection bounds
automatically (i.e. only add required bounds like `Send`, `Sync`, `Any`,
and `TypePath`).

The downside here is we add more friction to using reflection, which
already comes with its own set of considerations. This is a potentially
viable option, but we really need to consider whether or not the
ergonomics hit is worth it.

If we did decide to go the more manual route, we should at least
consider something like #5772 to make it easier for users to add the
right bounds (although, this could still become tricky with
`FromReflect` also being automatically derived).

### Open Questions

1. Should we go with this approach or the manual alternative?
2. ~~Should we add a `skip_params` attribute to avoid the `T: 'static`
trick?~~ ~~Decided to go with `custom_where()` as it's the simplest~~
Scratch that, went with a normal where clause
3. ~~`custom_where` bikeshedding?~~ No longer needed since we are using
a normal where clause

### TODO

- [x] Add compile-fail tests

---

## Changelog

- Fixed issue preventing recursive types from deriving `Reflect`
- Changed how where-clause bounds are generated by the `Reflect` derive
macro
- They are now only applied to the type parameters, not to all active
fields
- Added `#[reflect(where T: Trait, U::Assoc: Trait, ...)]` container
attribute

## Migration Guide

When deriving `Reflect`, generic type params that do not need the
automatic reflection bounds (such as `Reflect`) applied to them will
need to opt-out using a custom where clause like: `#[reflect(where T:
Trait, U::Assoc: Trait, ...)]`.

The attribute can define custom bounds only used by the reflection
impls. To simply opt-out all the type params, we can pass in an empty
where clause: `#[reflect(where)]`.

```rust
// BEFORE:
#[derive(Reflect)]
struct Foo<T>(#[reflect(ignore)] T);

// AFTER:
#[derive(Reflect)]
#[reflect(where)]
struct Foo<T>(#[reflect(ignore)] T);
```

---------

Co-authored-by: Nicola Papale <nicopap@users.noreply.github.com>
2024-01-28 16:24:03 +00:00
NiseVoid
755917fe4b
Derive PartialEq, Serialize, Deserialize and Reflect on primitives (#11514)
# Objective

- Implement common traits on primitives

## Solution

- Derive PartialEq on types that were missing it.
- Derive Copy on small types that were missing it.
- Derive Serialize/Deserialize if the feature on bevy_math is enabled.
- Add a lot of cursed stuff to the bevy_reflect `impls` module.
2024-01-28 14:55:30 +00:00
vero
886a2560d2
Fix warnings in bevy_reflect (#11556)
# Objective

- Address junk leftover by TypeUuid removal

## Solution

- Get rid of unused deps and imports

---------

Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
2024-01-27 17:34:35 +00:00
AxiomaticSemantics
2ebf5a303e
Remove TypeUuid (#11497)
# Objective
TypeUuid is deprecated, remove it.

## Migration Guide
Convert any uses of `#[derive(TypeUuid)]` with `#[derive(TypePath]` for
more complex uses see the relevant
[documentation](https://docs.rs/bevy/latest/bevy/prelude/trait.TypePath.html)
for more information.

---------

Co-authored-by: ebola <dev@axiomatic>
2024-01-25 16:16:58 +00:00
John Lewis
cfe4034d25
Add Reflection for Wrapping/Saturating types (#11397)
# Objective

- Extend reflection to the standard library's `Wrapping` and
`Saturating` generic types.

This wasn't my use-case but someone in the discord was surprised that
this wasn't already done. I decided to make a PR because the other
`std::num` items were reflected and if there's a reason to exclude
`Wrapping` and `Saturating`, I am unaware of it.

## Solution

Trivial fix

---

## Changelog

Implemented `Reflect` for `Wrapping<T>` and `Saturating<T>` from
`std::num`.
2024-01-22 15:21:20 +00:00
BD103
056b006d4e
Use static_assertions to check for trait impls (#11407)
# Objective

- Tests are manually checking whether derived types implement certain
traits. (Specifically in `bevy_reflect.)
- #11182 introduces
[`static_assertions`](https://docs.rs/static_assertions/) to
automatically check this.
- Simplifies `Reflect` test in #11195.
- Closes #11196.

## Solution

- Add `static_assertions` and replace current tests.

---

I wasn't sure whether to remove the existing test or not. What do you
think?
2024-01-18 17:21:18 +00:00
irate
ec14e946b8
Update glam, encase and hexasphere (#11082)
Update to `glam` 0.25, `encase` 0.7 and `hexasphere` to 10.0

## Changelog
Added the `FloatExt` trait to the `bevy_math` prelude which adds `lerp`,
`inverse_lerp` and `remap` methods to the `f32` and `f64` types.
2024-01-08 22:58:45 +00:00
Adam
fe68005f71
Implement TypePath for EntityHash (#11195)
# Objective

- Fix #11117 by implementing `Reflect` for `EntityHashMap`

## Solution

- By implementing `TypePath` for `EntityHash`, Bevy will automatically
implement `Reflect` for `EntityHashMap`

---

## Changelog

- `TypePath` is implemented for `EntityHash`
- A test called `entity_hashmap_should_impl_reflect` was created to
verify that #11117 was solved.
2024-01-04 18:28:31 +00:00
Doonv
189ceaf0d3
Replace or document ignored doctests (#11040)
# Objective

There are a lot of doctests that are `ignore`d for no documented reason.
And that should be fixed.

## Solution

I searched the bevy repo with the regex ` ```[a-z,]*ignore ` in order to
find all `ignore`d doctests. For each one of the `ignore`d doctests, I
did the following steps:
1. Attempt to remove the `ignored` attribute while still passing the
test. I did this by adding hidden dummy structs and imports.
2. If step 1 doesn't work, attempt to replace the `ignored` attribute
with the `no_run` attribute while still passing the test.
3. If step 2 doesn't work, keep the `ignored` attribute but add
documentation for why the `ignored` attribute was added.

---------

Co-authored-by: François <mockersf@gmail.com>
2024-01-01 16:50:56 +00:00
Mike
786abbf3f5
Fix ci xvfb (#11143)
# Objective

Fix ci hang, so we can merge pr's again.

## Solution

- switch ppa action to use mesa stable versions
https://launchpad.net/~kisak/+archive/ubuntu/turtle
- use commit from #11123

---------

Co-authored-by: Stepan Koltsov <stepan.koltsov@gmail.com>
2023-12-30 09:07:31 +00:00
radiish
13feac6721
reflect: maximally relax TypePath bounds (#11037)
# Objective

- Provides an alternate solution to the one implemented in #10791
without breaking changes.

## Solution

- Changes the bounds of macro-generated `TypePath` implementations to
universally ignore the types of fields, rather than use the same bounds
as other implementations. I think this is a more holistic solution than
#10791 because it totally erases the finicky bounds we currently
generate, helping to untangle the reflection trait system.
2023-12-24 17:45:46 +00:00
Tygyh
1568d4a415
Reorder impl to be the same as the trait (#11076)
# Objective

- Make the implementation order consistent between all sources to fit
the order in the trait.

## Solution

- Change the implementation order.
2023-12-24 17:43:55 +00:00
David Cosby
42b737878f
Re-export smallvec crate from bevy_utils (#11006)
Matches versioning & features from other Cargo.toml files in the
project.

# Objective
Resolves #10932 

## Solution
Added smallvec to the bevy_utils cargo.toml and added a line to
re-export the crate. Target version and features set to match what's
used in the other bevy crates.
2023-12-24 15:35:09 +00:00
davier
55402bdf2e
Fix debug printing for dynamic types (#10740)
# Objective

Printing `DynamicStruct` with a debug format does not show the contained
type anymore. For instance, in `examples/reflection/reflection.rs`,
adding `dbg!(&reflect_value);` to line 96 will print:
```rust
[examples/reflection/reflection.rs:96] &reflect_value = DynamicStruct(bevy_reflect::DynamicStruct {
    a: 4,
    nested: DynamicStruct(bevy_reflect::DynamicStruct {
        b: 8,
    }),
})
```

## Solution

Show the represented type instead (`reflection::Foo` and
`reflection::Bar` in this case):
```rust
[examples/reflection/reflection.rs:96] &reflect_value = DynamicStruct(reflection::Foo {
    a: 4,
    nested: DynamicStruct(reflection::Bar {
        b: 8,
    }),
})
```

---------

Co-authored-by: Gino Valente <49806985+MrGVSV@users.noreply.github.com>
2023-12-12 19:44:43 +00:00
Gino Valente
daa8bf20df
Fix nested generics in Reflect derive (#10791)
# Objective

> Issue raised on
[Discord](https://discord.com/channels/691052431525675048/1002362493634629796/1179182488787103776)

Currently the following code fails due to a missing `TypePath` bound:

```rust
#[derive(Reflect)] struct Foo<T>(T);
#[derive(Reflect)] struct Bar<T>(Foo<T>);
#[derive(Reflect)] struct Baz<T>(Bar<Foo<T>>);
```

## Solution

Add `TypePath` to the per-field bounds instead of _just_ the generic
type parameter bounds.

### Related Work

It should be noted that #9046 would help make these kinds of issues
easier to work around and/or avoid entirely.

---

## Changelog

- Fixes missing `TypePath` requirement when deriving `Reflect` on nested
generics
2023-11-29 01:46:09 +00:00
Stepan Koltsov
506bdc5e68
Remove pointless trait implementation exports in bevy_reflect (#10771)
Trait implementations do not need to be reexported to be used.

```
warning: unused import: `self::std::*`
   --> crates/bevy_reflect/src/lib.rs:502:13
    |
502 |     pub use self::std::*;
    |             ^^^^^^^^^^^^
    |
    = note: `#[warn(unused_imports)]` on by default

warning: unused import: `self::uuid::*`
   --> crates/bevy_reflect/src/lib.rs:503:13
    |
503 |     pub use self::uuid::*;
    |             ^^^^^^^^^^^^^

warning: unused import: `impls::*`
   --> crates/bevy_reflect/src/lib.rs:525:9
    |
525 | pub use impls::*;
    |         ^^^^^^^^
```
2023-11-29 00:11:06 +00:00
tygyh
fd308571c4
Remove unnecessary path prefixes (#10749)
# Objective

- Shorten paths by removing unnecessary prefixes

## Solution

- Remove the prefixes from many paths which do not need them. Finding
the paths was done automatically using built-in refactoring tools in
Jetbrains RustRover.
2023-11-28 23:43:40 +00:00
Kanabenki
0e9f6e92ea
Add clippy::manual_let_else at warn level to lints (#10684)
# Objective

Related to #10612.

Enable the
[`clippy::manual_let_else`](https://rust-lang.github.io/rust-clippy/master/#manual_let_else)
lint as a warning. The `let else` form seems more idiomatic to me than a
`match`/`if else` that either match a pattern or diverge, and from the
clippy doc, the lint doesn't seem to have any possible false positive.

## Solution

Add the lint as warning in `Cargo.toml`, refactor places where the lint
triggers.
2023-11-28 04:15:27 +00:00
Gino Valente
13f2749021
bevy_utils: Export generate_composite_uuid utility function (#10496)
# Objective

The `generate_composite_uuid` utility function hidden in
`bevy_reflect::__macro_exports` could be generally useful to users.

For example, I previously relied on `Hash` to generate a `u64` to create
a deterministic `HandleId`. In v0.12, `HandleId` has been replaced by
`AssetId` which now requires a `Uuid`, which I could generate with this
function.

## Solution

Relocate `generate_composite_uuid` from `bevy_reflect::__macro_exports`
to `bevy_utils::uuid`.

It is still re-exported under `bevy_reflect::__macro_exports` so there
should not be any breaking changes (although, users should generally not
rely on pseudo-private/hidden modules like `__macro_exports`).

I chose to keep it in `bevy_reflect::__macro_exports` so as to not
clutter up our public API and to reduce the number of changes in this
PR. We could have also marked the export as `#[doc(hidden)]`, but
personally I like that we have a dedicated module for this (makes it
clear what is public and what isn't when just looking at the macro
code).

---

## Changelog

- Moved `generate_composite_uuid` to `bevy_utils::uuid` and made it
public
  - Note: it was technically already public, just hidden
2023-11-25 23:21:35 +00:00
Mike
11b1b3a24f
delete methods deprecated in 0.12 (#10693)
## Changelog

- delete methods deprecated in 0.12
2023-11-24 16:15:47 +00:00
Hank Jordan
e85af0e366
Fix issue with Option serialization (#10705)
# Objective

- Fix #10499 

## Solution

- Use `.get_represented_type_info()` module path and type ident instead
of `.reflect_*` module path and type ident when serializing the `Option`
enum

---

## Changelog

- Fix serialization bug
- Add simple test
  - Add `serde_json` dev dependency
- Add `serde` with `derive` feature dev dependency (wouldn't compile for
me without it)

---------

Co-authored-by: hank <hank@hank.co.in>
Co-authored-by: Gino Valente <49806985+MrGVSV@users.noreply.github.com>
2023-11-23 14:04:51 +00:00
Ame
8c0ce5280b
Standardize toml format with taplo (#10594)
# Objective

- Standardize fmt for toml files

## Solution

- Add [taplo](https://taplo.tamasfe.dev/) to CI (check for fmt and diff
for toml files), for context taplo is used by the most popular extension
in VScode [Even Better
TOML](https://marketplace.visualstudio.com/items?itemName=tamasfe.even-better-toml
- Add contribution section to explain toml fmt with taplo.
 
Now to pass CI you need to run `taplo fmt --option indent_string=" "` or
if you use vscode have the `Even Better TOML` extension with 4 spaces
for indent

---------

Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
2023-11-21 01:04:14 +00:00
Ame
951c9bb1a2
Add [lints] table, fix adding #![allow(clippy::type_complexity)] everywhere (#10011)
# Objective

- Fix adding `#![allow(clippy::type_complexity)]` everywhere. like #9796

## Solution

- Use the new [lints] table that will land in 1.74
(https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#lints)
- inherit lint to the workspace, crates and examples.
```
[lints]
workspace = true
```

## Changelog

- Bump rust version to 1.74
- Enable lints table for the workspace
```toml
[workspace.lints.clippy]
type_complexity = "allow"
```
- Allow type complexity for all crates and examples
```toml
[lints]
workspace = true
```

---------

Co-authored-by: Martín Maita <47983254+mnmaita@users.noreply.github.com>
2023-11-18 20:58:48 +00:00
github-actions[bot]
bf30a25efc
Release 0.12 (#10362)
Preparing next release
This PR has been auto-generated

---------

Co-authored-by: Bevy Auto Releaser <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: François <mockersf@gmail.com>
2023-11-04 17:24:23 +00:00
Gino Valente
60773e6787
bevy_reflect: Fix ignored/skipped field order (#7575)
# Objective

Fixes #5101
Alternative to #6511

## Solution

Corrected the behavior for ignored fields in `FromReflect`, which was
previously using the incorrect field indexes.

Similarly, fields marked with `#[reflect(skip_serializing)]` no longer
break when using `FromReflect` after deserialization. This was done by
modifying `SerializationData` to store a function pointer that can later
be used to generate a default instance of the skipped field during
deserialization.

The function pointer points to a function generated by the derive macro
using the behavior designated by `#[reflect(default)]` (or just
`Default` if none provided). The entire output of the macro is now
wrapped in an [unnamed
constant](https://doc.rust-lang.org/stable/reference/items/constant-items.html#unnamed-constant)
which keeps this behavior hygienic.

#### Rationale

The biggest downside to this approach is that it requires fields marked
`#[reflect(skip_serializing)]` to provide the ability to create a
default instance— either via a `Default` impl or by specifying a custom
one. While this isn't great, I think it might be justified by the fact
that we really need to create this value when using `FromReflect` on a
deserialized object. And we need to do this _during_ deserialization
because after that (at least for tuples and tuple structs) we lose
information about which field is which: _"is the value at index 1 in
this `DynamicTupleStruct` the actual value for index 1 or is it really
the value for index 2 since index 1 is skippable...?"_

#### Alternatives

An alternative would be to store `Option<Box<dyn Reflect>>` within
`DynamicTuple` and `DynamicTupleStruct` instead of just `Box<dyn
Reflect>`. This would allow us to insert "empty"/"missing" fields during
deserialization, thus saving the positional information of the skipped
fields. However, this may require changing the API of `Tuple` and
`TupleStruct` such that they can account for their dynamic counterparts
returning `None` for a skipped field. In practice this would probably
mean exposing the `Option`-ness of the dynamics onto implementors via
methods like `Tuple::drain` or `TupleStruct::field`.

Personally, I think requiring `Default` would be better than muddying up
the API to account for these special cases. But I'm open to trying out
this other approach if the community feels that it's better.

---

## Changelog

### Public Changes

#### Fixed

- The behaviors of `#[reflect(ignore)]` and
`#[reflect(skip_serializing)]` are no longer dependent on field order

#### Changed

- Fields marked with `#[reflect(skip_serializing)]` now need to either
implement `Default` or specify a custom default function using
`#[reflect(default = "path::to::some_func")]`
- Deserializing a type with fields marked `#[reflect(skip_serializing)]`
will now include that field initialized to its specified default value
- `SerializationData::new` now takes the new `SkippedField` struct along
with the skipped field index
- Renamed `SerializationData::is_ignored_field` to
`SerializationData::is_field_skipped`

#### Added

- Added `SkippedField` struct
- Added methods `SerializationData::generate_default` and
`SerializationData::iter_skipped`

### Internal Changes

#### Changed

- Replaced `members_to_serialization_denylist` and `BitSet<u32>` with
`SerializationDataDef`
- The `Reflect` derive is more hygienic as it now outputs within an
[unnamed
constant](https://doc.rust-lang.org/stable/reference/items/constant-items.html#unnamed-constant)
- `StructField::index` has been split up into
`StructField::declaration_index` and `StructField::reflection_index`

#### Removed

- Removed `bitset` dependency

## Migration Guide

* Fields marked `#[reflect(skip_serializing)]` now must implement
`Default` or specify a custom default function with `#[reflect(default =
"path::to::some_func")]`
    ```rust
    #[derive(Reflect)]
    struct MyStruct {
      #[reflect(skip_serializing)]
      #[reflect(default = "get_foo_default")]
foo: Foo, // <- `Foo` does not impl `Default` so requires a custom
function
      #[reflect(skip_serializing)]
      bar: Bar, // <- `Bar` impls `Default`
    }
    
    #[derive(Reflect)]
    struct Foo(i32);
    
    #[derive(Reflect, Default)]
    struct Bar(i32);
    
    fn get_foo_default() -> Foo {
      Foo(123)
    }
    ```
* `SerializationData::new` has been changed to expect an iterator of
`(usize, SkippedField)` rather than one of just `usize`
    ```rust
    // BEFORE
    SerializationData::new([0, 3].into_iter());
    
    // AFTER
    SerializationData::new([
      (0, SkippedField::new(field_0_default_fn)),
      (3, SkippedField::new(field_3_default_fn)),
    ].into_iter());
    ```
* `Serialization::is_ignored_field` has been renamed to
`Serialization::is_field_skipped`
* Fields marked `#[reflect(skip_serializing)]` are now included in
deserialization output. This may affect logic that expected those fields
to be absent.
2023-10-22 12:43:31 +00:00
Gino Valente
01b910a148
bevy_reflect: Fix dynamic type serialization (#10103)
# Objective

Fixes #10086

## Solution

Instead of serializing via `DynamicTypePath::reflect_type_path`, now
uses the `TypePath` found on the `TypeInfo` returned by
`Reflect::get_represented_type_info`.

This issue was happening because the dynamic types implement `TypePath`
themselves and do not (and cannot) forward their proxy's `TypePath`
data. The solution was to access the proxy's type information in order
to get the correct `TypePath` data.

## Changed

- The `Debug` impl for `TypePathTable` now includes output for all
fields.
2023-10-16 23:31:16 +00:00
Ame :]
b9ddb37d5b
add and fix shields in Readmes (#9993)
# Objective

Fix shields

## Solution

- Correct shield in the Bevy ECS Readme, where only the MIT license is
displayed
![Screenshot 2023-10-01 at 18 28
27](https://github.com/bevyengine/bevy/assets/104745335/a736a65e-0d47-4d9e-b32d-0b843a00922c)
- Add shields to other Readmes.
- homogenize shields and titles.
2023-10-15 00:52:31 +00:00