Struct LightWorkWindowGate 

pub(crate) struct LightWorkWindowGate {
    active_centers: SyncMutex<Vec<ChunkPos>>,
    released: Notify,
}

Shared gate used to exclude overlapping light-engine cache windows.

Light worksets can write light data across a full 5x5 cache window. Two worksets whose windows overlap must therefore not run at the same time: chunk-light status work must publish ChunkStatus::Light before overlapping work builds its light cache, and queued light updates must not interleave with either operation.

Fields

active_centers: SyncMutex<Vec<ChunkPos>>

released: Notify

Implementations

impl LightWorkWindowGate

pub(crate) fn new() -> Self

Creates an empty light work gate.

pub(crate) async fn reserve_centered( self: &Arc<Self>, center: ChunkPos, ) -> LightWorkWindowReservation

Reserves the radius-2 light cache window centered on center.

pub(crate) fn try_reserve_centered( self: &Arc<Self>, center: ChunkPos, ) -> Option<LightWorkWindowReservation>

Attempts to reserve the radius-2 light cache window centered on center.

const fn windows_overlap(left: ChunkPos, right: ChunkPos) -> bool

Trait Implementations

impl Debug for LightWorkWindowGate

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

Formats the value using the given formatter.

impl Default for LightWorkWindowGate

fn default() -> Self

Returns the “default value” for a type.