Struct OverlayOpenOrder 

pub struct OverlayOpenOrder {
    pub stamps: HashMap<Entity, u64>,
    pub next: u64,
}

Main-world resource tracking the order in which OverlayLayer roots became visible, so concurrently open popups stack later-opened-on-top (like OS popup windows).

Maintained by build_parent_map: a visible (not [Visible(false)]-hidden) overlay root gets a monotonically increasing stamp on first sight; hiding or despawning the root drops its stamp, so re-opening restamps it on top. Self-inserted on first use.

Fields

stamps: HashMap<Entity, u64>

Overlay root -> open stamp. Lower stamps paint first (under later-opened popups).

next: u64

Next stamp to hand out.

Trait Implementations

impl Component for OverlayOpenOrder

where Self: Send + Sync + 'static,

const STORAGE_TYPE: StorageType = bevy_ecs::component::StorageType::SparseSet

A constant indicating the storage type used for this component.

type Mutability = Mutable

A marker type to assist Bevy with determining if this component is mutable, or immutable. Mutable components will have Component<Mutability = Mutable>, while immutable components will instead have Component<Mutability = Immutable>.

fn register_required_components( _requiree: ComponentId, required_components: &mut RequiredComponentsRegistrator<'_, '_>, )

Registers required components.

fn clone_behavior() -> ComponentCloneBehavior

Called when registering this component, allowing to override clone function (or disable cloning altogether) for this component.

fn relationship_accessor() -> Option<ComponentRelationshipAccessor<Self>>

Returns [ComponentRelationshipAccessor] required for working with relationships in dynamic contexts.

fn on_add() -> Option<for<'w> fn(DeferredWorld<'w>, HookContext)>

Gets the on_add [ComponentHook] for this Component if one is defined.

fn on_insert() -> Option<for<'w> fn(DeferredWorld<'w>, HookContext)>

Gets the on_insert [ComponentHook] for this Component if one is defined.

fn on_discard() -> Option<for<'w> fn(DeferredWorld<'w>, HookContext)>

Gets the on_discard [ComponentHook] for this Component if one is defined.

fn on_remove() -> Option<for<'w> fn(DeferredWorld<'w>, HookContext)>

Gets the on_remove [ComponentHook] for this Component if one is defined.

fn on_despawn() -> Option<for<'w> fn(DeferredWorld<'w>, HookContext)>

Gets the on_despawn [ComponentHook] for this Component if one is defined.

fn map_entities<E>(_this: &mut Self, _mapper: &mut E)

where E: EntityMapper,

Maps the entities on this component using the given EntityMapper. This is used to remap entities in contexts like scenes and entity cloning. When deriving Component, this is populated by annotating fields containing entities with #[entities]

impl Debug for OverlayOpenOrder

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for OverlayOpenOrder

fn default() -> OverlayOpenOrder

Returns the “default value” for a type.

impl Resource for OverlayOpenOrder

where Self: Send + Sync + 'static,