Struct bevy_ecs::query::ChangedFetch
source · [−]pub struct ChangedFetch<T> { /* private fields */ }
Trait Implementations
sourceimpl<'w, 's, T: Component> Fetch<'w, 's> for ChangedFetch<T>
impl<'w, 's, T: Component> Fetch<'w, 's> for ChangedFetch<T>
type State = ChangedState<T>
type Item = bool
sourceunsafe fn init(
world: &World,
state: &Self::State,
last_change_tick: u32,
change_tick: u32
) -> Self
unsafe fn init(
world: &World,
state: &Self::State,
last_change_tick: u32,
change_tick: u32
) -> Self
Creates a new instance of this fetch. Read more
sourceconst IS_DENSE: bool
const IS_DENSE: bool
Returns true if (and only if) every table of every archetype matched by this Fetch contains
all of the matched components. This is used to select a more efficient “table iterator”
for “dense” queries. If this returns true, Fetch::set_table
and Fetch::table_fetch
will be called for iterators. If this returns false, Fetch::set_archetype
and
Fetch::archetype_fetch
will be called for iterators. Read more
sourceunsafe fn set_archetype(
&mut self,
state: &Self::State,
archetype: &Archetype,
tables: &Tables
)
unsafe fn set_archetype(
&mut self,
state: &Self::State,
archetype: &Archetype,
tables: &Tables
)
sourceunsafe fn table_fetch(&mut self, table_row: usize) -> bool
unsafe fn table_fetch(&mut self, table_row: usize) -> bool
Fetch Self::Item
for the given table_row
in the current Table
. This must always be
called after Fetch::set_table
with a table_row
in the range of the current Table
Read more
sourceunsafe fn archetype_fetch(&mut self, archetype_index: usize) -> bool
unsafe fn archetype_fetch(&mut self, archetype_index: usize) -> bool
Fetch Self::Item
for the given archetype_index
in the current Archetype
. This must
always be called after Fetch::set_archetype
with an archetype_index
in the range of
the current Archetype
Read more
impl<T: Component> ReadOnlyFetch for ChangedFetch<T>
SAFETY: read-only access
Auto Trait Implementations
impl<T> !RefUnwindSafe for ChangedFetch<T>
impl<T> !Send for ChangedFetch<T>
impl<T> !Sync for ChangedFetch<T>
impl<T> Unpin for ChangedFetch<T> where
T: Unpin,
impl<T> !UnwindSafe for ChangedFetch<T>
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcepub fn borrow_mut(&mut self) -> &mut T
pub fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
sourceimpl<T> Downcast for T where
T: Any,
impl<T> Downcast for T where
T: Any,
sourcepub fn into_any(self: Box<T, Global>) -> Box<dyn Any + 'static, Global>
pub fn into_any(self: Box<T, Global>) -> Box<dyn Any + 'static, Global>
Convert Box<dyn Trait>
(where Trait: Downcast
) to Box<dyn Any>
. Box<dyn Any>
can
then be further downcast
into Box<ConcreteType>
where ConcreteType
implements Trait
. Read more
sourcepub fn into_any_rc(self: Rc<T>) -> Rc<dyn Any + 'static>
pub fn into_any_rc(self: Rc<T>) -> Rc<dyn Any + 'static>
Convert Rc<Trait>
(where Trait: Downcast
) to Rc<Any>
. Rc<Any>
can then be
further downcast
into Rc<ConcreteType>
where ConcreteType
implements Trait
. Read more
sourcepub fn as_any(&self) -> &(dyn Any + 'static)
pub fn as_any(&self) -> &(dyn Any + 'static)
Convert &Trait
(where Trait: Downcast
) to &Any
. This is needed since Rust cannot
generate &Any
’s vtable from &Trait
’s. Read more
sourcepub fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
pub fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
Convert &mut Trait
(where Trait: Downcast
) to &Any
. This is needed since Rust cannot
generate &mut Any
’s vtable from &mut Trait
’s. Read more
sourceimpl<T> Instrument for T
impl<T> Instrument for T
sourcefn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
sourcefn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
sourceimpl<T> WithSubscriber for T
impl<T> WithSubscriber for T
sourcefn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,
fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,
Attaches the provided Subscriber
to this type, returning a
WithDispatch
wrapper. Read more
sourcefn with_current_subscriber(self) -> WithDispatch<Self>
fn with_current_subscriber(self) -> WithDispatch<Self>
Attaches the current default Subscriber
to this type, returning a
WithDispatch
wrapper. Read more