bevy/crates/bevy_transform/src/plugins.rs
François Mockers d4906ddad1
Revert "Transform Propagation Optimization: Static Subtree Marking (#18094)" (#18363)
# Objective

- Fixes #18255
- Transform propagation is broken in some cases

## Solution

- Revert #18093

Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
2025-03-17 20:01:29 +00:00

60 lines
2.3 KiB
Rust

use crate::systems::{
compute_transform_leaves, propagate_parent_transforms, sync_simple_transforms,
};
use bevy_app::{App, Plugin, PostStartup, PostUpdate};
use bevy_ecs::schedule::{IntoScheduleConfigs, SystemSet};
/// Set enum for the systems relating to transform propagation
#[derive(Debug, Hash, PartialEq, Eq, Clone, SystemSet)]
pub enum TransformSystem {
/// Propagates changes in transform to children's [`GlobalTransform`](crate::components::GlobalTransform)
TransformPropagate,
}
/// The base plugin for handling [`Transform`](crate::components::Transform) components
#[derive(Default)]
pub struct TransformPlugin;
impl Plugin for TransformPlugin {
fn build(&self, app: &mut App) {
// A set for `propagate_transforms` to mark it as ambiguous with `sync_simple_transforms`.
// Used instead of the `SystemTypeSet` as that would not allow multiple instances of the system.
#[derive(Debug, Hash, PartialEq, Eq, Clone, SystemSet)]
struct PropagateTransformsSet;
#[cfg(feature = "bevy_reflect")]
app.register_type::<crate::components::Transform>()
.register_type::<crate::components::GlobalTransform>();
app.configure_sets(
PostStartup,
PropagateTransformsSet.in_set(TransformSystem::TransformPropagate),
)
// add transform systems to startup so the first update is "correct"
.add_systems(
PostStartup,
(
propagate_parent_transforms,
(compute_transform_leaves, sync_simple_transforms)
.ambiguous_with(TransformSystem::TransformPropagate),
)
.chain()
.in_set(PropagateTransformsSet),
)
.configure_sets(
PostUpdate,
PropagateTransformsSet.in_set(TransformSystem::TransformPropagate),
)
.add_systems(
PostUpdate,
(
propagate_parent_transforms,
(compute_transform_leaves, sync_simple_transforms) // TODO: Adjust the internal parallel queries to make these parallel systems more efficiently share and fill CPU time.
.ambiguous_with(TransformSystem::TransformPropagate),
)
.chain()
.in_set(PropagateTransformsSet),
);
}
}