Struct specs_hierarchy::ParentData
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[src]
pub struct ParentData<'a, P> where
P: Component + Parent,
P::Storage: Tracked, { /* fields omitted */ }Utility struct for the data needed by the Hierarchy maintain.
Trait Implementations
impl<'a, P> SystemData<'a> for ParentData<'a, P> where
P: Component + Parent,
P::Storage: Tracked,
Entities<'a>: SystemData<'a>,
ReadStorage<'a, P>: SystemData<'a>, [src]
P: Component + Parent,
P::Storage: Tracked,
Entities<'a>: SystemData<'a>,
ReadStorage<'a, P>: SystemData<'a>,
fn setup(res: &mut Resources)[src]
Sets up the system data for fetching it from the Resources.
fn fetch(res: &'a Resources) -> Self[src]
Fetches the system data from Resources. Note that this is only specified for one concrete lifetime 'a, you need to implement the SystemData trait for every possible lifetime. Read more
fn reads() -> Vec<ResourceId>[src]
Returns all read dependencies as fetched from Self::fetch. Read more
fn writes() -> Vec<ResourceId>[src]
Returns all write dependencies as fetched from Self::fetch. Read more