Disentangle bevy_utils/bevy_core's reexported dependencies (#12313)

# Objective
Make bevy_utils less of a compilation bottleneck. Tackle #11478.

## Solution
* Move all of the directly reexported dependencies and move them to
where they're actually used.
* Remove the UUID utilities that have gone unused since `TypePath` took
over for `TypeUuid`.
* There was also a extraneous bytemuck dependency on `bevy_core` that
has not been used for a long time (since `encase` became the primary way
to prepare GPU buffers).
* Remove the `all_tuples` macro reexport from bevy_ecs since it's
accessible from `bevy_utils`.

---

## Changelog
Removed: Many of the reexports from bevy_utils (petgraph, uuid, nonmax,
smallvec, and thiserror).
Removed: bevy_core's reexports of bytemuck.

## Migration Guide
bevy_utils' reexports of petgraph, uuid, nonmax, smallvec, and thiserror
have been removed.

bevy_core' reexports of bytemuck's types has been removed. 

Add them as dependencies in your own crate instead.

Cargo.toml

@@ -338,6 +338,7 @@ bytemuck = "1.7"
 futures-lite = "2.0.1"
 crossbeam-channel = "0.5.0"
 argh = "0.1.12"
+thiserror = "1.0"
 
 [[example]]
 name = "hello_world"

crates/bevy_animation/Cargo.toml

@@ -26,7 +26,7 @@ bevy_hierarchy = { path = "../bevy_hierarchy", version = "0.14.0-dev" }
 
 # other
 sha1_smol = { version = "1.0" }
-uuid = { version = "1.7", features = ["v5"] }
+uuid = { version = "1.7", features = ["v4"] }
 
 [lints]
 workspace = true

crates/bevy_animation/src/lib.rs

@@ -20,8 +20,9 @@ use bevy_render::mesh::morph::MorphWeights;
 use bevy_time::Time;
 use bevy_transform::{prelude::Transform, TransformSystem};
 use bevy_utils::hashbrown::HashMap;
-use bevy_utils::{tracing::error, NoOpHash, Uuid};
+use bevy_utils::{tracing::error, NoOpHash};
 use sha1_smol::Sha1;
+use uuid::Uuid;
 
 #[allow(missing_docs)]
 pub mod prelude {

crates/bevy_app/Cargo.toml

@@ -26,7 +26,7 @@ bevy_tasks = { path = "../bevy_tasks", version = "0.14.0-dev" }
 serde = { version = "1.0", features = ["derive"], optional = true }
 ron = { version = "0.8.0", optional = true }
 downcast-rs = "1.2.0"
-
+thiserror = "1.0"
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 wasm-bindgen = { version = "0.2" }

crates/bevy_app/src/app.rs

@@ -7,11 +7,12 @@ use bevy_ecs::{
         InternedScheduleLabel, ScheduleBuildSettings, ScheduleLabel,
     },
 };
-use bevy_utils::{intern::Interned, thiserror::Error, tracing::debug, HashMap, HashSet};
+use bevy_utils::{intern::Interned, tracing::debug, HashMap, HashSet};
 use std::{
     fmt::Debug,
     panic::{catch_unwind, resume_unwind, AssertUnwindSafe},
 };
+use thiserror::Error;
 
 #[cfg(feature = "trace")]
 use bevy_utils::tracing::info_span;

crates/bevy_app/src/plugin.rs

@@ -115,8 +115,7 @@ pub trait Plugins<Marker>: sealed::Plugins<Marker> {}
 impl<Marker, T> Plugins<Marker> for T where T: sealed::Plugins<Marker> {}
 
 mod sealed {
-
-    use bevy_ecs::all_tuples;
+    use bevy_utils::all_tuples;
 
     use crate::{App, AppError, Plugin, PluginGroup};
 

crates/bevy_asset/Cargo.toml

@@ -21,7 +21,9 @@ watch = []
 bevy_app = { path = "../bevy_app", version = "0.14.0-dev" }
 bevy_asset_macros = { path = "macros", version = "0.14.0-dev" }
 bevy_ecs = { path = "../bevy_ecs", version = "0.14.0-dev" }
-bevy_reflect = { path = "../bevy_reflect", version = "0.14.0-dev" }
+bevy_reflect = { path = "../bevy_reflect", version = "0.14.0-dev", features = [
+  "uuid",
+] }
 bevy_tasks = { path = "../bevy_tasks", version = "0.14.0-dev" }
 bevy_utils = { path = "../bevy_utils", version = "0.14.0-dev" }
 
@@ -37,6 +39,7 @@ parking_lot = { version = "0.12", features = ["arc_lock", "send_guard"] }
 ron = "0.8"
 serde = { version = "1", features = ["derive"] }
 thiserror = "1.0"
+uuid = { version = "1.0", features = ["v4"] }
 
 [target.'cfg(target_os = "android")'.dependencies]
 bevy_winit = { path = "../bevy_winit", version = "0.14.0-dev" }

crates/bevy_asset/src/assets.rs

@@ -7,7 +7,7 @@ use bevy_ecs::{
     system::{Res, ResMut, Resource},
 };
 use bevy_reflect::{Reflect, TypePath};
-use bevy_utils::{HashMap, Uuid};
+use bevy_utils::HashMap;
 use crossbeam_channel::{Receiver, Sender};
 use serde::{Deserialize, Serialize};
 use std::{
@@ -17,6 +17,7 @@ use std::{
     sync::{atomic::AtomicU32, Arc},
 };
 use thiserror::Error;
+use uuid::Uuid;
 
 /// A generational runtime-only identifier for a specific [`Asset`] stored in [`Assets`]. This is optimized for efficient runtime
 /// usage and is not suitable for identifying assets across app runs.

crates/bevy_asset/src/handle.rs

@@ -4,14 +4,15 @@ use crate::{
 };
 use bevy_ecs::prelude::*;
 use bevy_reflect::{std_traits::ReflectDefault, Reflect, TypePath};
-use bevy_utils::{get_short_name, Uuid};
+use bevy_utils::get_short_name;
 use crossbeam_channel::{Receiver, Sender};
 use std::{
     any::TypeId,
     hash::{Hash, Hasher},
     sync::Arc,
 };
 use thiserror::Error;
+use uuid::Uuid;
 
 /// Provides [`Handle`] and [`UntypedHandle`] _for a specific asset type_.
 /// This should _only_ be used for one specific asset type.

crates/bevy_asset/src/id.rs

@@ -1,6 +1,6 @@
 use crate::{Asset, AssetIndex};
 use bevy_reflect::Reflect;
-use bevy_utils::Uuid;
+use uuid::Uuid;
 
 use std::{
     any::TypeId,

crates/bevy_core/Cargo.toml

@@ -24,8 +24,8 @@ bevy_tasks = { path = "../bevy_tasks", version = "0.14.0-dev" }
 bevy_utils = { path = "../bevy_utils", version = "0.14.0-dev" }
 
 # other
-bytemuck = "1.5"
 serde = { version = "1.0", optional = true }
+uuid = "1.0"
 
 [features]
 serialize = ["dep:serde"]

crates/bevy_core/src/lib.rs

@@ -6,7 +6,6 @@ mod serde;
 mod task_pool_options;
 
 use bevy_ecs::system::Resource;
-pub use bytemuck::{bytes_of, cast_slice, Pod, Zeroable};
 pub use name::*;
 pub use task_pool_options::*;
 

crates/bevy_core_pipeline/Cargo.toml

@@ -36,6 +36,7 @@ bevy_utils = { path = "../bevy_utils", version = "0.14.0-dev" }
 serde = { version = "1", features = ["derive"] }
 bitflags = "2.3"
 radsort = "0.1"
+nonmax = "0.5"
 
 [lints]
 workspace = true

crates/bevy_core_pipeline/src/core_2d/mod.rs

@@ -42,7 +42,8 @@ use bevy_render::{
     render_resource::CachedRenderPipelineId,
     Extract, ExtractSchedule, Render, RenderApp, RenderSet,
 };
-use bevy_utils::{nonmax::NonMaxU32, FloatOrd};
+use bevy_utils::FloatOrd;
+use nonmax::NonMaxU32;
 
 use crate::{tonemapping::TonemappingNode, upscaling::UpscalingNode};
 

crates/bevy_core_pipeline/src/core_3d/mod.rs

@@ -67,7 +67,8 @@ use bevy_render::{
     view::{ExtractedView, ViewDepthTexture, ViewTarget},
     Extract, ExtractSchedule, Render, RenderApp, RenderSet,
 };
-use bevy_utils::{nonmax::NonMaxU32, tracing::warn, FloatOrd, HashMap};
+use bevy_utils::{tracing::warn, FloatOrd, HashMap};
+use nonmax::NonMaxU32;
 
 use crate::{
     core_3d::main_transmissive_pass_3d_node::MainTransmissivePass3dNode,

crates/bevy_core_pipeline/src/deferred/mod.rs

@@ -10,7 +10,7 @@ use bevy_render::{
     render_phase::{CachedRenderPipelinePhaseItem, DrawFunctionId, PhaseItem},
     render_resource::{CachedRenderPipelineId, TextureFormat},
 };
-use bevy_utils::nonmax::NonMaxU32;
+use nonmax::NonMaxU32;
 
 pub const DEFERRED_PREPASS_FORMAT: TextureFormat = TextureFormat::Rgba32Uint;
 pub const DEFERRED_LIGHTING_PASS_ID_FORMAT: TextureFormat = TextureFormat::R8Uint;

crates/bevy_core_pipeline/src/prepass/mod.rs

@@ -38,7 +38,7 @@ use bevy_render::{
     render_resource::{CachedRenderPipelineId, Extent3d, TextureFormat, TextureView},
     texture::ColorAttachment,
 };
-use bevy_utils::nonmax::NonMaxU32;
+use nonmax::NonMaxU32;
 
 pub const NORMAL_PREPASS_FORMAT: TextureFormat = TextureFormat::Rgb10a2Unorm;
 pub const MOTION_VECTOR_PREPASS_FORMAT: TextureFormat = TextureFormat::Rg16Float;

crates/bevy_ecs/Cargo.toml

@@ -21,6 +21,7 @@ bevy_reflect = { path = "../bevy_reflect", version = "0.14.0-dev", optional = tr
 bevy_tasks = { path = "../bevy_tasks", version = "0.14.0-dev" }
 bevy_utils = { path = "../bevy_utils", version = "0.14.0-dev" }
 bevy_ecs_macros = { path = "macros", version = "0.14.0-dev" }
+petgraph = "0.6"
 
 bitflags = "2.3"
 concurrent-queue = "2.4.0"

crates/bevy_ecs/src/lib.rs

@@ -52,8 +52,6 @@ pub mod prelude {
     };
 }
 
-pub use bevy_utils::all_tuples;
-
 #[cfg(test)]
 mod tests {
     use crate as bevy_ecs;

crates/bevy_ecs/src/schedule/graph_utils.rs

@@ -1,10 +1,8 @@
 use std::fmt::Debug;
 
-use bevy_utils::{
-    petgraph::{algo::TarjanScc, graphmap::NodeTrait, prelude::*},
-    HashMap, HashSet,
-};
+use bevy_utils::{HashMap, HashSet};
 use fixedbitset::FixedBitSet;
+use petgraph::{algo::TarjanScc, graphmap::NodeTrait, prelude::*};
 
 use crate::schedule::set::*;
 

crates/bevy_ecs/src/schedule/schedule.rs

@@ -7,13 +7,12 @@ use std::{
 use bevy_utils::tracing::info_span;
 use bevy_utils::{default, tracing::info};
 use bevy_utils::{
-    petgraph::{algo::TarjanScc, prelude::*},
-    thiserror::Error,
     tracing::{error, warn},
     HashMap, HashSet,
 };
-
 use fixedbitset::FixedBitSet;
+use petgraph::{algo::TarjanScc, prelude::*};
+use thiserror::Error;
 
 use crate::{
     self as bevy_ecs,

crates/bevy_ecs/src/schedule/stepping.rs

@@ -7,10 +7,10 @@ use crate::{
     system::{IntoSystem, ResMut, Resource},
 };
 use bevy_utils::{
-    thiserror::Error,
     tracing::{error, info, warn},
     TypeIdMap,
 };
+use thiserror::Error;
 
 #[cfg(test)]
 use bevy_utils::tracing::debug;

crates/bevy_gizmos/Cargo.toml

@@ -23,11 +23,12 @@ bevy_math = { path = "../bevy_math", version = "0.14.0-dev" }
 bevy_asset = { path = "../bevy_asset", version = "0.14.0-dev" }
 bevy_render = { path = "../bevy_render", version = "0.14.0-dev" }
 bevy_utils = { path = "../bevy_utils", version = "0.14.0-dev" }
-bevy_core = { path = "../bevy_core", version = "0.14.0-dev" }
 bevy_reflect = { path = "../bevy_reflect", version = "0.14.0-dev" }
 bevy_core_pipeline = { path = "../bevy_core_pipeline", version = "0.14.0-dev" }
 bevy_transform = { path = "../bevy_transform", version = "0.14.0-dev" }
 bevy_gizmos_macros = { path = "macros", version = "0.14.0-dev" }
 
+bytemuck = "1.0"
+
 [lints]
 workspace = true

crates/bevy_gizmos/src/lib.rs

@@ -57,7 +57,6 @@ use aabb::AabbGizmoPlugin;
 use bevy_app::{App, Last, Plugin};
 use bevy_asset::{load_internal_asset, Asset, AssetApp, Assets, Handle};
 use bevy_color::LinearRgba;
-use bevy_core::cast_slice;
 use bevy_ecs::{
     component::Component,
     query::ROQueryItem,
@@ -83,6 +82,7 @@ use bevy_render::{
     Extract, ExtractSchedule, Render, RenderApp, RenderSet,
 };
 use bevy_utils::TypeIdMap;
+use bytemuck::cast_slice;
 use config::{
     DefaultGizmoConfigGroup, GizmoConfig, GizmoConfigGroup, GizmoConfigStore, GizmoMeshConfig,
 };

crates/bevy_gltf/Cargo.toml

@@ -54,6 +54,7 @@ base64 = "0.21.5"
 percent-encoding = "2.1"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1"
+smallvec = "1.11"
 
 [lints]
 workspace = true

crates/bevy_gltf/src/loader.rs

@@ -36,17 +36,15 @@ use bevy_scene::Scene;
 use bevy_tasks::IoTaskPool;
 use bevy_transform::components::Transform;
 use bevy_utils::tracing::{error, info_span, warn};
-use bevy_utils::{
-    smallvec::{smallvec, SmallVec},
-    HashMap, HashSet,
-};
+use bevy_utils::{HashMap, HashSet};
 use gltf::{
     accessor::Iter,
     mesh::{util::ReadIndices, Mode},
     texture::{Info, MagFilter, MinFilter, TextureTransform, WrappingMode},
     Material, Node, Primitive, Semantic,
 };
 use serde::{Deserialize, Serialize};
+use smallvec::{smallvec, SmallVec};
 use std::io::Error;
 use std::{
     collections::VecDeque,

crates/bevy_hierarchy/Cargo.toml

@@ -21,8 +21,11 @@ bevy_core = { path = "../bevy_core", version = "0.14.0-dev", optional = true }
 bevy_ecs = { path = "../bevy_ecs", version = "0.14.0-dev", default-features = false }
 bevy_reflect = { path = "../bevy_reflect", version = "0.14.0-dev", features = [
   "bevy",
+  "smallvec",
 ], optional = true }
 bevy_utils = { path = "../bevy_utils", version = "0.14.0-dev" }
 
+smallvec = { version = "1.11", features = ["union", "const_generics"] }
+
 [lints]
 workspace = true

crates/bevy_hierarchy/src/child_builder.rs

@@ -6,7 +6,7 @@ use bevy_ecs::{
     system::{Commands, EntityCommands},
     world::{Command, EntityWorldMut, World},
 };
-use bevy_utils::smallvec::{smallvec, SmallVec};
+use smallvec::{smallvec, SmallVec};
 
 // Do not use `world.send_event_batch` as it prints error message when the Events are not available in the world,
 // even though it's a valid use case to execute commands on a world without events. Loading a GLTF file for example
@@ -696,7 +696,7 @@ mod tests {
         components::{Children, Parent},
         HierarchyEvent::{self, ChildAdded, ChildMoved, ChildRemoved},
     };
-    use bevy_utils::smallvec::{smallvec, SmallVec};
+    use smallvec::{smallvec, SmallVec};
 
     use bevy_ecs::{
         component::Component,

crates/bevy_hierarchy/src/components/children.rs

@@ -6,8 +6,8 @@ use bevy_ecs::{
     prelude::FromWorld,
     world::World,
 };
-use bevy_utils::smallvec::SmallVec;
 use core::slice;
+use smallvec::SmallVec;
 use std::ops::Deref;
 
 /// Contains references to the child entities of this entity.

crates/bevy_pbr/Cargo.toml

@@ -40,6 +40,7 @@ fixedbitset = "0.4"
 bytemuck = { version = "1", features = ["derive"] }
 radsort = "0.1"
 smallvec = "1.6"
+nonmax = "0.5"
 
 [lints]
 workspace = true

crates/bevy_pbr/src/render/light.rs

@@ -18,10 +18,8 @@ use bevy_render::{
 use bevy_transform::{components::GlobalTransform, prelude::Transform};
 #[cfg(feature = "trace")]
 use bevy_utils::tracing::info_span;
-use bevy_utils::{
-    nonmax::NonMaxU32,
-    tracing::{error, warn},
-};
+use bevy_utils::tracing::{error, warn};
+use nonmax::NonMaxU32;
 use std::{hash::Hash, num::NonZeroU64, ops::Range};
 
 use crate::*;

crates/bevy_reflect/Cargo.toml

@@ -10,12 +10,13 @@ keywords = ["bevy"]
 readme = "README.md"
 
 [features]
-default = []
+default = ["smallvec"]
 # When enabled, provides Bevy-related reflection implementations
 bevy = ["smallvec", "bevy_math", "smol_str"]
 glam = ["dep:glam"]
 bevy_math = ["glam", "dep:bevy_math"]
-smallvec = []
+smallvec = ["dep:smallvec"]
+uuid = ["dep:uuid"]
 # When enabled, allows documentation comments to be accessed via reflection
 documentation = ["bevy_reflect_derive/documentation"]
 
@@ -33,9 +34,11 @@ erased-serde = "0.4"
 downcast-rs = "1.2"
 thiserror = "1.0"
 serde = "1"
+smallvec = { version = "1.11", optional = true }
 
 glam = { version = "0.25", features = ["serde"], optional = true }
 smol_str = { version = "0.2.0", optional = true }
+uuid = { version = "1.0", optional = true, features = ["v4", "serde"] }
 
 [dev-dependencies]
 ron = "0.8.0"