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-rw-r--r--ecs/src/component/storage.rs30
1 files changed, 30 insertions, 0 deletions
diff --git a/ecs/src/component/storage.rs b/ecs/src/component/storage.rs
index 76e1a7e..05ede9b 100644
--- a/ecs/src/component/storage.rs
+++ b/ecs/src/component/storage.rs
@@ -174,6 +174,36 @@ impl Storage
Some(())
}
+ pub fn remove_components_from_entity(
+ &mut self,
+ entity_uid: EntityUid,
+ component_ids: impl IntoIterator<Item = ComponentId>,
+ ) -> Option<()>
+ {
+ let archetype_id = self.entity_archetype_lookup.get(&entity_uid)?;
+
+ let archetype_index =
+ self.find_archetype_index_with_entity(*archetype_id, entity_uid)?;
+
+ let archetype = self.archetypes.get_mut(archetype_index)?;
+
+ let entity = archetype.take_entity(entity_uid)?;
+
+ let component_ids_set = component_ids.into_iter().collect::<HashSet<_>>();
+
+ self.push_entity(
+ entity_uid,
+ entity
+ .components
+ .into_iter()
+ .map(|component| component.component.into_inner())
+ .filter(|component| !component_ids_set.contains(&component.id()))
+ .collect(),
+ );
+
+ Some(())
+ }
+
fn populate_matching_archetype_lookup_entries(
&mut self,
comp_ids_set: &HashSet<ComponentId>,