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-rw-r--r--ecs/src/component/storage.rs11
-rw-r--r--ecs/src/lib.rs1
-rw-r--r--ecs/src/util.rs48
3 files changed, 58 insertions, 2 deletions
diff --git a/ecs/src/component/storage.rs b/ecs/src/component/storage.rs
index e909395..9c149ed 100644
--- a/ecs/src/component/storage.rs
+++ b/ecs/src/component/storage.rs
@@ -12,6 +12,7 @@ use crate::component::{
use crate::entity::Uid as EntityUid;
use crate::lock::Lock;
use crate::type_name::TypeName;
+use crate::util::Sortable;
use crate::EntityComponent;
#[derive(Debug, Default)]
@@ -26,9 +27,12 @@ impl Storage
{
pub fn find_entities(
&self,
- components_metadata: impl IntoIterator<Item = ComponentMetadata>,
+ mut components_metadata: impl IntoIterator<Item = ComponentMetadata>
+ + Sortable<Item = ComponentMetadata>,
) -> ArchetypeRefIter<'_>
{
+ components_metadata.sort_by_key_b(|component_metadata| component_metadata.id);
+
self.archetype_lookup
.get(&ArchetypeId::from_components_metadata(components_metadata))
.map_or_else(ArchetypeRefIter::new_empty, |archetypes_indices| {
@@ -114,9 +118,12 @@ impl Storage
pub fn add_archetype_lookup_entry(
&mut self,
- components_metadata: impl IntoIterator<Item = ComponentMetadata>,
+ mut components_metadata: impl IntoIterator<Item = ComponentMetadata>
+ + Sortable<Item = ComponentMetadata>,
)
{
+ components_metadata.sort_by_key_b(|component_metadata| component_metadata.id);
+
self.pending_archetype_lookup_entries
.push(components_metadata.into_iter().collect());
}
diff --git a/ecs/src/lib.rs b/ecs/src/lib.rs
index b920b48..cf2f198 100644
--- a/ecs/src/lib.rs
+++ b/ecs/src/lib.rs
@@ -35,6 +35,7 @@ pub mod tuple;
pub mod type_name;
mod archetype;
+mod util;
pub use ecs_macros::{Component, Sole};
diff --git a/ecs/src/util.rs b/ecs/src/util.rs
new file mode 100644
index 0000000..f4f8632
--- /dev/null
+++ b/ecs/src/util.rs
@@ -0,0 +1,48 @@
+pub trait Sortable
+{
+ type Item;
+
+ fn sort_by_key_b<Key, Func>(&mut self, func: Func)
+ where
+ Func: FnMut(&Self::Item) -> Key,
+ Key: Ord;
+}
+
+impl<Item> Sortable for [Item]
+{
+ type Item = Item;
+
+ fn sort_by_key_b<Key, Func>(&mut self, func: Func)
+ where
+ Func: FnMut(&Self::Item) -> Key,
+ Key: Ord,
+ {
+ self.sort_by_key(func)
+ }
+}
+
+impl<Item, const LENGTH: usize> Sortable for [Item; LENGTH]
+{
+ type Item = Item;
+
+ fn sort_by_key_b<Key, Func>(&mut self, func: Func)
+ where
+ Func: FnMut(&Self::Item) -> Key,
+ Key: Ord,
+ {
+ self.sort_by_key(func)
+ }
+}
+
+impl<Item> Sortable for Vec<Item>
+{
+ type Item = Item;
+
+ fn sort_by_key_b<Key, Func>(&mut self, func: Func)
+ where
+ Func: FnMut(&Self::Item) -> Key,
+ Key: Ord,
+ {
+ self.sort_by_key(func)
+ }
+}