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Bevy Reflection (#926) Bevy Reflection
2020-11-28 00:39:59 +00:00
[package]
name = "bevy_reflect"
Bump Version after Release (#5576) Bump version after release This PR has been auto-generated
2022-08-05 02:03:05 +00:00
version = "0.9.0-dev"
Update to edition 2021 on master (#3028) Objective During work on #3009 I've found that not all jobs use actions-rs, and therefore, an previous version of Rust is used for them. So while compilation and other stuff can pass, checking markup and Android build may fail with compilation errors. Solution This PR adds `action-rs` for any job running cargo, and updates the edition to 2021.
2021-10-27 00:12:14 +00:00
edition = "2021"
Bevy Reflection (#926) Bevy Reflection
2020-11-28 00:39:59 +00:00
description = "Dynamically interact with rust types"
homepage = "https://bevyengine.org"
repository = "https://github.com/bevyengine/bevy"
Relicense Bevy under the dual MIT or Apache-2.0 license (#2509) This relicenses Bevy under the dual MIT or Apache-2.0 license. For rationale, see #2373. * Changes the LICENSE file to describe the dual license. Moved the MIT license to docs/LICENSE-MIT. Added the Apache-2.0 license to docs/LICENSE-APACHE. I opted for this approach over dumping both license files at the root (the more common approach) for a number of reasons: * Github links to the "first" license file (LICENSE-APACHE) in its license links (you can see this in the wgpu and rust-analyzer repos). People clicking these links might erroneously think that the apache license is the only option. Rust and Amethyst both use COPYRIGHT or COPYING files to solve this problem, but this creates more file noise (if you do everything at the root) and the naming feels way less intuitive. * People have a reflex to look for a LICENSE file. By providing a single license file at the root, we make it easy for them to understand our licensing approach. * I like keeping the root clean and noise free * There is precedent for putting the apache and mit license text in sub folders (amethyst) * Removed the `Copyright (c) 2020 Carter Anderson` copyright notice from the MIT license. I don't care about this attribution, it might make license compliance more difficult in some cases, and it didn't properly attribute other contributors. We shoudn't replace it with something like "Copyright (c) 2021 Bevy Contributors" because "Bevy Contributors" is not a legal entity. Instead, we just won't include the copyright line (which has precedent ... Rust also uses this approach). * Updates crates to use the new "MIT OR Apache-2.0" license value * Removes the old legion-transform license file from bevy_transform. bevy_transform has been its own, fully custom implementation for a long time and that license no longer applies. * Added a License section to the main readme * Updated our Bevy Plugin licensing guidelines. As a follow-up we should update the website to properly describe the new license. Closes #2373
2021-07-23 21:11:51 +00:00
license = "MIT OR Apache-2.0"
Bevy Reflection (#926) Bevy Reflection
2020-11-28 00:39:59 +00:00
keywords = ["bevy"]
readme = "README.md"
[features]
bevy_reflect: Reflect doc comments (#6234) # Objective Resolves #6197 Make it so that doc comments can be retrieved via reflection. ## Solution Adds the new `documentation` feature to `bevy_reflect` (disabled by default). When enabled, documentation can be found using `TypeInfo::doc` for reflected types: ```rust /// Some struct. /// /// # Example /// /// ```ignore /// let some_struct = SomeStruct; /// ``` #[derive(Reflect)] struct SomeStruct; let info = <SomeStruct as Typed>::type_info(); assert_eq!( Some(" Some struct.\n\n # Example\n\n ```ignore\n let some_struct = SomeStruct;\n ```"), info.docs() ); ``` ### Notes for Reviewers The bulk of the files simply added the same 16 lines of code (with slightly different documentation). Most of the real changes occur in the `bevy_reflect_derive` files as well as in the added tests. --- ## Changelog * Added `documentation` feature to `bevy_reflect` * Added `TypeInfo::docs` method (and similar methods for all info types)
2022-10-18 13:49:57 +00:00
default = []
# Provides Bevy-related reflection implementations
Move `sprite::Rect` into `bevy_math` (#5686) # Objective Promote the `Rect` utility of `sprite::Rect`, which defines a rectangle by its minimum and maximum corners, to the `bevy_math` crate to make it available as a general math type to all crates without the need to depend on the `bevy_sprite` crate. Fixes #5575 ## Solution Move `sprite::Rect` into `bevy_math` and fix all uses. Implement `Reflect` for `Rect` directly into the `bevy_reflect` crate by having `bevy_reflect` depend on `bevy_math`. This looks like a new dependency, but the `bevy_reflect` was "cheating" for other math types by directly depending on `glam` to reflect other math types, thereby giving the illusion that there was no dependency on `bevy_math`. In practice conceptually Bevy's math types are reflected into the `bevy_reflect` crate to avoid a dependency of that crate to a "lower level" utility crate like `bevy_math` (which in turn would make `bevy_reflect` be a dependency of most other crates, and increase the risk of circular dependencies). So this change simply formalizes that dependency in `Cargo.toml`. The `Rect` struct is also augmented in this change with a collection of utility methods to improve its usability. A few uses cases are updated to use those new methods, resulting is more clear and concise syntax. --- ## Changelog ### Changed - Moved the `sprite::Rect` type into `bevy_math`. ### Added - Added several utility methods to the `math::Rect` type. ## Migration Guide The `bevy::sprite::Rect` type moved to the math utility crate as `bevy::math::Rect`. You should change your imports from `use bevy::sprite::Rect` to `use bevy::math::Rect`.
2022-09-02 12:35:23 +00:00
bevy = ["glam", "smallvec", "bevy_math"]
bevy_reflect: Reflect doc comments (#6234) # Objective Resolves #6197 Make it so that doc comments can be retrieved via reflection. ## Solution Adds the new `documentation` feature to `bevy_reflect` (disabled by default). When enabled, documentation can be found using `TypeInfo::doc` for reflected types: ```rust /// Some struct. /// /// # Example /// /// ```ignore /// let some_struct = SomeStruct; /// ``` #[derive(Reflect)] struct SomeStruct; let info = <SomeStruct as Typed>::type_info(); assert_eq!( Some(" Some struct.\n\n # Example\n\n ```ignore\n let some_struct = SomeStruct;\n ```"), info.docs() ); ``` ### Notes for Reviewers The bulk of the files simply added the same 16 lines of code (with slightly different documentation). Most of the real changes occur in the `bevy_reflect_derive` files as well as in the added tests. --- ## Changelog * Added `documentation` feature to `bevy_reflect` * Added `TypeInfo::docs` method (and similar methods for all info types)
2022-10-18 13:49:57 +00:00
# When enabled, allows documentation comments to be accessed via reflection
documentation = ["bevy_reflect_derive/documentation"]
Bevy Reflection (#926) Bevy Reflection
2020-11-28 00:39:59 +00:00
[dependencies]
# bevy
Move `sprite::Rect` into `bevy_math` (#5686) # Objective Promote the `Rect` utility of `sprite::Rect`, which defines a rectangle by its minimum and maximum corners, to the `bevy_math` crate to make it available as a general math type to all crates without the need to depend on the `bevy_sprite` crate. Fixes #5575 ## Solution Move `sprite::Rect` into `bevy_math` and fix all uses. Implement `Reflect` for `Rect` directly into the `bevy_reflect` crate by having `bevy_reflect` depend on `bevy_math`. This looks like a new dependency, but the `bevy_reflect` was "cheating" for other math types by directly depending on `glam` to reflect other math types, thereby giving the illusion that there was no dependency on `bevy_math`. In practice conceptually Bevy's math types are reflected into the `bevy_reflect` crate to avoid a dependency of that crate to a "lower level" utility crate like `bevy_math` (which in turn would make `bevy_reflect` be a dependency of most other crates, and increase the risk of circular dependencies). So this change simply formalizes that dependency in `Cargo.toml`. The `Rect` struct is also augmented in this change with a collection of utility methods to improve its usability. A few uses cases are updated to use those new methods, resulting is more clear and concise syntax. --- ## Changelog ### Changed - Moved the `sprite::Rect` type into `bevy_math`. ### Added - Added several utility methods to the `math::Rect` type. ## Migration Guide The `bevy::sprite::Rect` type moved to the math utility crate as `bevy::math::Rect`. You should change your imports from `use bevy::sprite::Rect` to `use bevy::math::Rect`.
2022-09-02 12:35:23 +00:00
bevy_math = { path = "../bevy_math", version = "0.9.0-dev", optional = true }
Bump Version after Release (#5576) Bump version after release This PR has been auto-generated
2022-08-05 02:03:05 +00:00
bevy_reflect_derive = { path = "bevy_reflect_derive", version = "0.9.0-dev" }
bevy_utils = { path = "../bevy_utils", version = "0.9.0-dev" }
bevy_ptr = { path = "../bevy_ptr", version = "0.9.0-dev" }
Bevy Reflection (#926) Bevy Reflection
2020-11-28 00:39:59 +00:00
# other
erased-serde = "0.3"
downcast-rs = "1.2"
update wgpu to 0.13 (#5168) # Objective - Update wgpu to 0.13 - ~~Wait, is wgpu 0.13 released? No, but I had most of the changes already ready since playing with webgpu~~ well it has been released now - Also update parking_lot to 0.12 and naga to 0.9 ## Solution - Update syntax for wgsl shaders https://github.com/gfx-rs/wgpu/blob/master/CHANGELOG.md#wgsl-syntax - Add a few options, remove some references: https://github.com/gfx-rs/wgpu/blob/master/CHANGELOG.md#other-breaking-changes - fragment inputs should now exactly match vertex outputs for locations, so I added exports for those to be able to reuse them https://github.com/gfx-rs/wgpu/pull/2704
2022-07-14 21:17:16 +00:00
parking_lot = "0.12.1"
Bevy Reflection (#926) Bevy Reflection
2020-11-28 00:39:59 +00:00
thiserror = "1.0"
bevy_reflect: Add statically available type info for reflected types (#4042) # Objective > Resolves #4504 It can be helpful to have access to type information without requiring an instance of that type. Especially for `Reflect`, a lot of the gathered type information is known at compile-time and should not necessarily require an instance. ## Solution Created a dedicated `TypeInfo` enum to store static type information. All types that derive `Reflect` now also implement the newly created `Typed` trait: ```rust pub trait Typed: Reflect { fn type_info() -> &'static TypeInfo; } ``` > Note: This trait was made separate from `Reflect` due to `Sized` restrictions. If you only have access to a `dyn Reflect`, just call `.get_type_info()` on it. This new trait method on `Reflect` should return the same value as if you had called it statically. If all you have is a `TypeId` or type name, you can get the `TypeInfo` directly from the registry using the `TypeRegistry::get_type_info` method (assuming it was registered). ### Usage Below is an example of working with `TypeInfo`. As you can see, we don't have to generate an instance of `MyTupleStruct` in order to get this information. ```rust #[derive(Reflect)] struct MyTupleStruct(usize, i32, MyStruct); let info = MyTupleStruct::type_info(); if let TypeInfo::TupleStruct(info) = info { assert!(info.is::<MyTupleStruct>()); assert_eq!(std::any::type_name::<MyTupleStruct>(), info.type_name()); assert!(info.field_at(1).unwrap().is::<i32>()); } else { panic!("Expected `TypeInfo::TupleStruct`"); } ``` ### Manual Implementations It's not recommended to manually implement `Typed` yourself, but if you must, you can use the `TypeInfoCell` to automatically create and manage the static `TypeInfo`s for you (which is very helpful for blanket/generic impls): ```rust use bevy_reflect::{Reflect, TupleStructInfo, TypeInfo, UnnamedField}; use bevy_reflect::utility::TypeInfoCell; struct Foo<T: Reflect>(T); impl<T: Reflect> Typed for Foo<T> { fn type_info() -> &'static TypeInfo { static CELL: TypeInfoCell = TypeInfoCell::generic(); CELL.get_or_insert::<Self, _>(|| { let fields = [UnnamedField::new::<T>()]; let info = TupleStructInfo::new::<Self>(&fields); TypeInfo::TupleStruct(info) }) } } ``` ## Benefits One major benefit is that this opens the door to other serialization methods. Since we can get all the type info at compile time, we can know how to properly deserialize something like: ```rust #[derive(Reflect)] struct MyType { foo: usize, bar: Vec<String> } // RON to be deserialized: ( type: "my_crate::MyType", // <- We now know how to deserialize the rest of this object value: { // "foo" is a value type matching "usize" "foo": 123, // "bar" is a list type matching "Vec<String>" with item type "String" "bar": ["a", "b", "c"] } ) ``` Not only is this more compact, but it has better compatibility (we can change the type of `"foo"` to `i32` without having to update our serialized data). Of course, serialization/deserialization strategies like this may need to be discussed and fully considered before possibly making a change. However, we will be better equipped to do that now that we can access type information right from the registry. ## Discussion Some items to discuss: 1. Duplication. There's a bit of overlap with the existing traits/structs since they require an instance of the type while the type info structs do not (for example, `Struct::field_at(&self, index: usize)` and `StructInfo::field_at(&self, index: usize)`, though only `StructInfo` is accessible without an instance object). Is this okay, or do we want to handle it in another way? 2. Should `TypeInfo::Dynamic` be removed? Since the dynamic types don't have type information available at runtime, we could consider them `TypeInfo::Value`s (or just even just `TypeInfo::Struct`). The intention with `TypeInfo::Dynamic` was to keep the distinction from these dynamic types and actual structs/values since users might incorrectly believe the methods of the dynamic type's info struct would map to some contained data (which isn't possible statically). 4. General usefulness of this change, including missing/unnecessary parts. 5. Possible changes to the scene format? (One possible issue with changing it like in the example above might be that we'd have to be careful when handling generic or trait object types.) ## Compile Tests I ran a few tests to compare compile times (as suggested [here](https://github.com/bevyengine/bevy/pull/4042#discussion_r876408143)). I toggled `Reflect` and `FromReflect` derive macros using `cfg_attr` for both this PR (aa5178e7736a6f8252e10e543e52722107649d3f) and main (c309acd4322b1c3b2089e247a2d28b938eb7b56d). <details> <summary>See More</summary> The test project included 250 of the following structs (as well as a few other structs): ```rust #[derive(Default)] #[cfg_attr(feature = "reflect", derive(Reflect))] #[cfg_attr(feature = "from_reflect", derive(FromReflect))] pub struct Big001 { inventory: Inventory, foo: usize, bar: String, baz: ItemDescriptor, items: [Item; 20], hello: Option<String>, world: HashMap<i32, String>, okay: (isize, usize, /* wesize */), nope: ((String, String), (f32, f32)), blah: Cow<'static, str>, } ``` > I don't know if the compiler can optimize all these duplicate structs away, but I think it's fine either way. We're comparing times, not finding the absolute worst-case time. I only ran each build 3 times using `cargo build --timings` (thank you @devil-ira), each of which were preceeded by a `cargo clean --package bevy_reflect_compile_test`. Here are the times I got: | Test | Test 1 | Test 2 | Test 3 | Average | | -------------------------------- | ------ | ------ | ------ | ------- | | Main | 1.7s | 3.1s | 1.9s | 2.33s | | Main + `Reflect` | 8.3s | 8.6s | 8.1s | 8.33s | | Main + `Reflect` + `FromReflect` | 11.6s | 11.8s | 13.8s | 12.4s | | PR | 3.5s | 1.8s | 1.9s | 2.4s | | PR + `Reflect` | 9.2s | 8.8s | 9.3s | 9.1s | | PR + `Reflect` + `FromReflect` | 12.9s | 12.3s | 12.5s | 12.56s | </details> --- ## Future Work Even though everything could probably be made `const`, we unfortunately can't. This is because `TypeId::of::<T>()` is not yet `const` (see https://github.com/rust-lang/rust/issues/77125). When it does get stabilized, it would probably be worth coming back and making things `const`. Co-authored-by: MrGVSV <49806985+MrGVSV@users.noreply.github.com>
2022-06-09 21:18:15 +00:00
once_cell = "1.11"
Bevy Reflection (#926) Bevy Reflection
2020-11-28 00:39:59 +00:00
serde = "1"
Move to smallvec v1.6 (#2074)
2021-05-05 19:14:39 +00:00
smallvec = { version = "1.6", features = ["serde", "union", "const_generics"], optional = true }
Updated `glam` to `0.21`. (#5142) Removed `const_vec2`/`const_vec3` and replaced with equivalent `.from_array`. # Objective Fixes #5112 ## Solution - `encase` needs to update to `glam` as well. See teoxoy/encase#4 on progress on that. - `hexasphere` also needs to be updated, see OptimisticPeach/hexasphere#12.
2022-07-03 19:55:33 +00:00
glam = { version = "0.21", features = ["serde"], optional = true }
Bevy Reflection (#926) Bevy Reflection
2020-11-28 00:39:59 +00:00
[dev-dependencies]
Update to ron 0.8 (#5864) # Objective - Update ron to 0.8.0 - Fix breaking changes - Closes #5862 ## Solution - Removed now non-existing method call (behavior is now the same without it)
2022-09-02 14:20:49 +00:00
ron = "0.8.0"
bevy_reflect: Reflect doc comments (#6234) # Objective Resolves #6197 Make it so that doc comments can be retrieved via reflection. ## Solution Adds the new `documentation` feature to `bevy_reflect` (disabled by default). When enabled, documentation can be found using `TypeInfo::doc` for reflected types: ```rust /// Some struct. /// /// # Example /// /// ```ignore /// let some_struct = SomeStruct; /// ``` #[derive(Reflect)] struct SomeStruct; let info = <SomeStruct as Typed>::type_info(); assert_eq!( Some(" Some struct.\n\n # Example\n\n ```ignore\n let some_struct = SomeStruct;\n ```"), info.docs() ); ``` ### Notes for Reviewers The bulk of the files simply added the same 16 lines of code (with slightly different documentation). Most of the real changes occur in the `bevy_reflect_derive` files as well as in the added tests. --- ## Changelog * Added `documentation` feature to `bevy_reflect` * Added `TypeInfo::docs` method (and similar methods for all info types)
2022-10-18 13:49:57 +00:00
[[example]]
name = "reflect_docs"
path = "examples/reflect_docs.rs"
required-features = ["documentation"]
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