Struct PreallocComponentSource

pub struct PreallocComponentSource<I: Iterator<Item = Entity> + FusedIterator, C: ComponentSource> { /* private fields */ }

Implementations

impl<I: Iterator<Item = Entity>, C: ComponentSource> PreallocComponentSource<Fuse<I>, C>

pub fn new(entities: I, components: C) -> Self

Trait Implementations

impl<I: Iterator<Item = Entity> + FusedIterator, C: ComponentSource> ComponentLayout for PreallocComponentSource<I, C>

type Filter = <C as ComponentLayout>::Filter

A filter type which filters archetypes to an exact match with this layout.

fn get_filter(&mut self) -> &mut Self::Filter

Gets the archetype filter for this layout.

fn tailor_archetype(&self, archetype: &mut ArchetypeDescription)

Modifies an archetype description to include the components described by this layout.

impl<I: Iterator<Item = Entity> + FusedIterator, C: ComponentSource> ComponentSource for PreallocComponentSource<I, C>

fn is_empty(&mut self) -> bool

Determines if this component source has any more entity data to write.

fn len(&self) -> usize

Retrieves the nubmer of entities in this component source.

fn write<T: Iterator<Item = Entity>>( &mut self, entities: T, chunk: &mut ComponentStorage, ) -> usize

Writes as many components as possible into a chunk.

impl<I: Iterator<Item = Entity> + FusedIterator, C: ComponentSource> IntoComponentSource for PreallocComponentSource<I, C>

type Source = PreallocComponentSource<I, C>

The component source type that can be converted into.

fn into(self) -> Self::Source

Converts self into a component source.