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-rw-r--r--ecs/src/query.rs16
1 files changed, 11 insertions, 5 deletions
diff --git a/ecs/src/query.rs b/ecs/src/query.rs
index ea61640..06633bc 100644
--- a/ecs/src/query.rs
+++ b/ecs/src/query.rs
@@ -2,7 +2,6 @@ use std::any::Any;
use std::collections::HashSet;
use std::iter::{Filter, Flatten, Map};
use std::marker::PhantomData;
-use std::sync::Arc;
use crate::component::storage::{
Archetype,
@@ -13,7 +12,7 @@ use crate::component::storage::{
};
use crate::component::{Metadata as ComponentMetadata, Sequence as ComponentSequence};
use crate::entity::Uid as EntityUid;
-use crate::lock::{Lock, ReadGuard};
+use crate::lock::ReadGuard;
use crate::query::options::Options;
use crate::system::{
NoInitParamFlag as NoInitSystemParamFlag,
@@ -29,6 +28,7 @@ pub struct Query<'world, Comps, OptionsT = ()>
where
Comps: ComponentSequence,
{
+ world: &'world World,
component_storage: ReadGuard<'world, ComponentStorage>,
_pd: PhantomData<(Comps, OptionsT)>,
}
@@ -49,6 +49,7 @@ where
#[allow(clippy::map_flatten)]
ComponentIter {
+ world: self.world,
entities: self
.component_storage
.find_entities(Comps::metadata())
@@ -72,10 +73,13 @@ where
)
}
- pub(crate) fn new(component_storage: &'world Arc<Lock<ComponentStorage>>) -> Self
+ pub(crate) fn new(world: &'world World) -> Self
{
Self {
- component_storage: component_storage
+ world,
+ component_storage: world
+ .data
+ .component_storage
.read_nonblock()
.expect("Failed to acquire read-only component storage lock"),
_pd: PhantomData,
@@ -118,7 +122,7 @@ where
world: &'world World,
) -> Self
{
- Self::new(&world.data.component_storage)
+ Self::new(&world)
}
fn is_compatible<Other: SystemParam<'world>>() -> bool
@@ -146,6 +150,7 @@ type ComponentIterFilterFn = for<'a, 'b> fn(&'a &'b ArchetypeEntity) -> bool;
pub struct ComponentIter<'world, Comps>
{
+ world: &'world World,
entities: Filter<
Flatten<Map<ArchetypeRefIter<'world>, ComponentIterMapFn>>,
ComponentIterFilterFn,
@@ -163,6 +168,7 @@ where
{
Some(Comps::from_components(
self.entities.next()?.components().iter(),
+ self.world,
))
}
}