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Deduplicate register_inherited_required_components (#16519)

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# Objective
- Fixes #16416 

## Solution
- Add a intermediate temporary mutable `RequiredComponents` to get avoid
of the borrowing issues.

## Testing

- I have run `cargo test --package bevy_ecs -- --exact --show-output`
and past all the tests.
This commit is contained in:
Sou1gh0st 2025-02-26 07:59:58 +08:00 committed by GitHub
parent 05bad0673f
commit f2b37c733e
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1 changed files with 17 additions and 28 deletions
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45
crates/bevy_ecs/src/component.rs
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@ -1337,9 +1337,22 @@ impl Components {
let required_by = unsafe { self.get_required_by_mut(required).debug_checked_unwrap() };
required_by.insert(requiree);
let mut required_components_tmp = RequiredComponents::default();
// SAFETY: The caller ensures that the `requiree` and `required` components are valid.
let inherited_requirements =
unsafe { self.register_inherited_required_components(requiree, required) };
let inherited_requirements = unsafe {
self.register_inherited_required_components(
requiree,
required,
&mut required_components_tmp,
)
};
// SAFETY: The caller ensures that the `requiree` is valid.
let required_components = unsafe {
self.get_required_components_mut(requiree)
.debug_checked_unwrap()
};
required_components.0.extend(required_components_tmp.0);
// Propagate the new required components up the chain to all components that require the requiree.
if let Some(required_by) = self.get_required_by(requiree).cloned() {
@ -1391,6 +1404,7 @@ impl Components {
&mut self,
requiree: ComponentId,
required: ComponentId,
required_components: &mut RequiredComponents,
) -> Vec<(ComponentId, RequiredComponent)> {
// Get required components inherited from the `required` component.
// SAFETY: The caller ensures that the `required` component is valid.
@ -1414,12 +1428,6 @@ impl Components {
// Register the new required components.
for (component_id, component) in inherited_requirements.iter().cloned() {
// SAFETY: The caller ensures that the `requiree` is valid.
let required_components = unsafe {
self.get_required_components_mut(requiree)
.debug_checked_unwrap()
};
// Register the required component for the requiree.
// SAFETY: Component ID and constructor match the ones on the original requiree.
unsafe {
@ -1520,26 +1528,7 @@ impl Components {
let required_by = unsafe { self.get_required_by_mut(required).debug_checked_unwrap() };
required_by.insert(requiree);
// Register the inherited required components for the requiree.
let required: Vec<(ComponentId, RequiredComponent)> = self
.get_info(required)
.unwrap()
.required_components()
.0
.iter()
.map(|(id, component)| (*id, component.clone()))
.collect();
for (id, component) in required {
// Register the inherited required components for the requiree.
// The inheritance depth is increased by `1` since this is a component required by the original required component.
required_components.register_dynamic(
id,
component.constructor.clone(),
component.inheritance_depth + 1,
);
self.get_required_by_mut(id).unwrap().insert(requiree);
}
self.register_inherited_required_components(requiree, required, required_components);
}
#[inline]