Struct entity_data::EntityStorage

pub struct EntityStorage { /* private fields */ }

A container of entities.

Implementations

impl EntityStorage

pub fn new() -> EntityStorage

Creates an empty EntityStorage.

pub fn add_entity<S>(&mut self, state: S) -> EntityIdwhere
    S: ArchetypeState,

Creates a new entity and returns its identifier.

pub fn get_archetype<A: StaticArchetype>(&self) -> Option<&Archetype>

Returns a reference to the specified archetype.

pub fn get_archetype_mut<A: StaticArchetype>(
    &mut self
) -> Option<&mut Archetype>

Returns a mutable reference to the specified archetype.

pub fn get<C: Component>(&self, entity: &EntityId) -> Option<&C>

Returns a reference to the component C of the specified entity.

pub fn get_mut<C: Component>(&mut self, entity: &EntityId) -> Option<&mut C>

Returns a mutable reference to the component C of the specified entity.

pub fn remove(&mut self, entity: &EntityId) -> bool

Removes an entity from the storage. Returns true if the entity was present in the storage.

pub fn n_archetypes(&mut self) -> usize

Returns the number of entities in the storage.

pub fn count_entities(&mut self) -> usize

Returns the number of entities in the storage.