bevy/crates/bevy_transform
Nathan Stocks faeccd7a09 Reflection cleanup (#1536)
This is an effort to provide the correct `#[reflect_value(...)]` attributes where they are needed.  

Supersedes #1533 and resolves #1528.

---

I am working under the following assumptions (thanks to @bjorn3 and @Davier for advice here):

- Any `enum` that derives `Reflect` and one or more of { `Serialize`, `Deserialize`, `PartialEq`, `Hash` } needs a `#[reflect_value(...)]` attribute containing the same subset of { `Serialize`, `Deserialize`, `PartialEq`, `Hash` } that is present on the derive.
- Same as above for `struct` and `#[reflect(...)]`, respectively.
- If a `struct` is used as a component, it should also have `#[reflect(Component)]`
- All reflected types should be registered in their plugins

I treated the following as components (added `#[reflect(Component)]` if necessary):
- `bevy_render`
  - `struct RenderLayers`
- `bevy_transform`
  - `struct GlobalTransform`
  - `struct Parent`
  - `struct Transform`
- `bevy_ui`
  - `struct Style`

Not treated as components:
- `bevy_math`
  - `struct Size<T>`
  - `struct Rect<T>`
  - Note: The updates for `Size<T>` and `Rect<T>` in `bevy::math::geometry` required using @Davier's suggestion to add `+ PartialEq` to the trait bound. I then registered the specific types used over in `bevy_ui` such as `Size<Val>`, etc. in `bevy_ui`'s plugin, since `bevy::math` does not contain a plugin.
- `bevy_render`
  - `struct Color`
  - `struct PipelineSpecialization`
  - `struct ShaderSpecialization`
  - `enum PrimitiveTopology`
  - `enum IndexFormat`

Not Addressed:
- I am not searching for components in Bevy that are _not_ reflected. So if there are components that are not reflected that should be reflected, that will need to be figured out in another PR.
- I only added `#[reflect(...)]` or `#[reflect_value(...)]` entries for the set of four traits { `Serialize`, `Deserialize`, `PartialEq`, `Hash` } _if they were derived via `#[derive(...)]`_. I did not look for manual trait implementations of the same set of four, nor did I consider any traits outside the four.  Are those other possibilities something that needs to be looked into?
2021-03-09 23:39:41 +00:00
..
src Reflection cleanup (#1536) 2021-03-09 23:39:41 +00:00
.gitignore move bevy crates to their own folder 2020-04-24 17:57:20 -07:00
Cargo.toml release 0.4.0 (#1093) 2020-12-19 13:28:00 -06:00
LICENSE move bevy crates to their own folder 2020-04-24 17:57:20 -07:00
README.md transform: remove some dependencies and cleanup 2020-07-10 01:49:23 -07:00

Bevy Transform

This crate is largely a 1:1 port from legion_transform (ecs: legion, math: nalgebra) to bevy (ecs: bevy_ecs, math: glam)