Struct LightUpdateNotificationCache 

pub struct LightUpdateNotificationCache {
    layout: LightCacheLayout,
    marked: Box<[bool]>,
}

Section-slot notification flags used while publishing visible light updates.

ScalableLux keeps notifyUpdateCache beside its nibble cache and marks the cached sections touched by a block’s one-block lighting neighborhood. The light engine later scans the same section slots while publishing dirty nibbles and notifying clients.

Fields

layout: LightCacheLayout

marked: Box<[bool]>

Implementations

impl LightUpdateNotificationCache

pub fn new(layout: LightCacheLayout) -> Self

Creates an empty notification cache for a light-engine cache window.

pub const fn layout(&self) -> LightCacheLayout

Returns the layout this notification cache is indexed by.

pub fn is_empty(&self) -> bool

Returns true when no section slots are marked for notification.

pub fn clear(&mut self)

Removes every pending section notification.

pub fn mark_section(&mut self, section_pos: SectionPos) -> bool

Marks a cached section, returning true only when it was newly marked.

pub fn mark_block_neighborhood(&mut self, block_pos: BlockPos) -> Option<usize>

Marks every cached section touched by a block’s lighting neighborhood.

Returns None if the full one-block neighborhood is not inside this cache window, so callers do not accidentally publish a partial update.

pub fn is_marked_section(&self, section_pos: SectionPos) -> bool

Returns whether a cached section is marked for notification.

pub fn is_marked_section_slot(&self, section_slot: usize) -> bool

Returns whether a section slot is marked for notification.

pub fn marked_section_positions(&self) -> impl Iterator<Item = SectionPos> + '_

Iterates marked section positions in cache-slot order.

fn mark_section_slot(&mut self, section_slot: usize) -> bool

Trait Implementations

impl Clone for LightUpdateNotificationCache

fn clone(&self) -> LightUpdateNotificationCache

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for LightUpdateNotificationCache

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

Formats the value using the given formatter.