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lib.rs
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lib.rs
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#![warn(missing_docs)]
//! This crate provides core functionality for Bevy Engine.
mod name;
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::*;
pub mod prelude {
//! The Bevy Core Prelude.
#[doc(hidden)]
pub use crate::{CorePlugin, Name, TaskPoolOptions};
}
use bevy_app::prelude::*;
use bevy_ecs::entity::Entity;
use bevy_reflect::{ReflectDeserialize, ReflectSerialize};
use bevy_utils::{Duration, HashSet, Instant};
use std::borrow::Cow;
use std::ops::Range;
#[cfg(not(target_arch = "wasm32"))]
use bevy_ecs::schedule::IntoSystemDescriptor;
#[cfg(not(target_arch = "wasm32"))]
use bevy_tasks::tick_global_task_pools_on_main_thread;
/// Adds core functionality to Apps.
#[derive(Default)]
pub struct CorePlugin {
/// Options for the [`TaskPool`](bevy_tasks::TaskPool) created at application start.
pub task_pool_options: TaskPoolOptions,
}
impl Plugin for CorePlugin {
fn build(&self, app: &mut App) {
// Setup the default bevy task pools
self.task_pool_options.create_default_pools();
#[cfg(not(target_arch = "wasm32"))]
app.add_system_to_stage(
bevy_app::CoreStage::Last,
tick_global_task_pools_on_main_thread.at_end(),
);
app.register_type::<Entity>().register_type::<Name>();
app.register_type::<Entity>()
.register_type::<Name>()
.register_type::<Range<f32>>()
.register_type_data::<Range<f32>, ReflectSerialize>()
.register_type_data::<Range<f32>, ReflectDeserialize>();
register_rust_types(app);
register_math_types(app);
app.init_resource::<FrameCount>();
}
}
fn register_rust_types(app: &mut App) {
app.register_type::<Range<f32>>()
.register_type::<String>()
.register_type::<HashSet<String>>()
.register_type::<Option<String>>()
.register_type::<Cow<'static, str>>()
.register_type::<Duration>()
.register_type::<Instant>();
}
fn register_math_types(app: &mut App) {
app.register_type::<bevy_math::IVec2>()
.register_type::<bevy_math::IVec3>()
.register_type::<bevy_math::IVec4>()
.register_type::<bevy_math::UVec2>()
.register_type::<bevy_math::UVec3>()
.register_type::<bevy_math::UVec4>()
.register_type::<bevy_math::DVec2>()
.register_type::<bevy_math::DVec3>()
.register_type::<bevy_math::DVec4>()
.register_type::<bevy_math::BVec2>()
.register_type::<bevy_math::BVec3>()
.register_type::<bevy_math::BVec3A>()
.register_type::<bevy_math::BVec4>()
.register_type::<bevy_math::BVec4A>()
.register_type::<bevy_math::Vec2>()
.register_type::<bevy_math::Vec3>()
.register_type::<bevy_math::Vec3A>()
.register_type::<bevy_math::Vec4>()
.register_type::<bevy_math::DAffine2>()
.register_type::<bevy_math::DAffine3>()
.register_type::<bevy_math::Affine2>()
.register_type::<bevy_math::Affine3A>()
.register_type::<bevy_math::DMat2>()
.register_type::<bevy_math::DMat3>()
.register_type::<bevy_math::DMat4>()
.register_type::<bevy_math::Mat2>()
.register_type::<bevy_math::Mat3>()
.register_type::<bevy_math::Mat3A>()
.register_type::<bevy_math::Mat4>()
.register_type::<bevy_math::DQuat>()
.register_type::<bevy_math::Quat>();
}
/// Keeps a count of rendered frames since the start of the app
///
/// Wraps to 0 when it reaches the maximum u32 value
#[derive(Default, Resource, Clone, Copy)]
pub struct FrameCount(pub u32);
#[cfg(test)]
mod tests {
use super::*;
use bevy_tasks::prelude::{AsyncComputeTaskPool, ComputeTaskPool, IoTaskPool};
#[test]
fn runs_spawn_local_tasks() {
let mut app = App::new();
app.add_plugin(CorePlugin::default());
let (async_tx, async_rx) = crossbeam_channel::unbounded();
AsyncComputeTaskPool::get()
.spawn_local(async move {
async_tx.send(()).unwrap();
})
.detach();
let (compute_tx, compute_rx) = crossbeam_channel::unbounded();
ComputeTaskPool::get()
.spawn_local(async move {
compute_tx.send(()).unwrap();
})
.detach();
let (io_tx, io_rx) = crossbeam_channel::unbounded();
IoTaskPool::get()
.spawn_local(async move {
io_tx.send(()).unwrap();
})
.detach();
app.run();
async_rx.try_recv().unwrap();
compute_rx.try_recv().unwrap();
io_rx.try_recv().unwrap();
}
}