Package net.minecraft.world.level.lighting

Class LightEngine<M extends DataLayerStorageMap<M>,S extends LayerLightSectionStorage<M>>

java.lang.Object

net.minecraft.world.level.lighting.LightEngine<M,S>

All Implemented Interfaces:

LayerLightEventListener, LightEventListener

Direct Known Subclasses:

BlockLightEngine, SkyLightEngine

public abstract class LightEngine<M extends DataLayerStorageMap<M>,S extends LayerLightSectionStorage<M>>
extends Object
implements LayerLightEventListener

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	LightEngine.QueueEntry

Nested classes/interfaces inherited from interface net.minecraft.world.level.lighting.LayerLightEventListener

LayerLightEventListener.DummyLightLayerEventListener

Field Summary

Fields

Modifier and Type	Field	Description
private final it.unimi.dsi.fastutil.longs.LongOpenHashSet	blockNodesToCheck
private static final int	CACHE_SIZE
protected final LightChunkGetter	chunkSource
private final it.unimi.dsi.fastutil.longs.LongArrayFIFOQueue	decreaseQueue
private final it.unimi.dsi.fastutil.longs.LongArrayFIFOQueue	increaseQueue
private final LightChunk[]	lastChunk
private final long[]	lastChunkPos
static final int	MAX_LEVEL
protected static final int	MIN_OPACITY
private static final int	MIN_QUEUE_SIZE
private final BlockPos.MutableBlockPos	mutablePos
protected static final Direction[]	PROPAGATION_DIRECTIONS
protected static final long	PULL_LIGHT_IN_ENTRY
protected final S	storage

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	LightEngine(LightChunkGetter pChunkSource, S pStorage)

Method Summary

Modifier and Type	Method	Description
void	checkBlock(BlockPos pPos)
protected abstract void	checkNode(long pPackedPos)
private void	clearChunkCache()
protected void	enqueueDecrease(long pPackedPos1, long pPackedPos2)
protected void	enqueueIncrease(long pPackedPos1, long pPackedPos2)
protected LightChunk	getChunk(int pX, int pZ)
DataLayer	getDataLayerData(SectionPos pSectionPos)
String	getDebugData(long pSectionPos)
LayerLightSectionStorage.SectionType	getDebugSectionType(long pSectionPos)
static int	getLightBlockInto(BlockGetter pLevel, BlockState pState1, BlockPos pPos1, BlockState pState2, BlockPos pPos2, Direction pDirection, int pDefaultReturnValue)
int	getLightValue(BlockPos pLevelPos)
protected VoxelShape	getOcclusionShape(BlockState pState, long pPos, Direction pDirection)
static VoxelShape	getOcclusionShape(BlockGetter pLevel, BlockPos pPos, BlockState pState, Direction pDirection)
protected int	getOpacity(BlockState pState, BlockPos pPos)
protected BlockState	getState(BlockPos pPos)
static boolean	hasDifferentLightProperties(BlockGetter pLevel, BlockPos pPos, BlockState pState1, BlockState pState2)
boolean	hasLightWork()
protected static boolean	isEmptyShape(BlockState pState)
protected abstract void	propagateDecrease(long pPackedPos, long pLightLevel)
private int	propagateDecreases()
protected abstract void	propagateIncrease(long pPackedPos, long pQueueEntry, int pLightLevel)
private int	propagateIncreases()
void	queueSectionData(long pSectionPos, DataLayer pData)
void	retainData(ChunkPos pChunkPos, boolean pRetainData)
int	runLightUpdates()
void	setLightEnabled(ChunkPos pChunkPos, boolean pLightEnabled)
protected boolean	shapeOccludes(long pPackedPos1, BlockState pState1, long pPackedPos2, BlockState pState2, Direction pDirection)
void	updateSectionStatus(SectionPos pPos, boolean pIsQueueEmpty)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface net.minecraft.world.level.lighting.LightEventListener

propagateLightSources, updateSectionStatus

Field Details

MAX_LEVEL

public static final int MAX_LEVEL

See Also:

• Constant Field Values

MIN_OPACITY

protected static final int MIN_OPACITY

See Also:

• Constant Field Values

PULL_LIGHT_IN_ENTRY

protected static final long PULL_LIGHT_IN_ENTRY

MIN_QUEUE_SIZE

private static final int MIN_QUEUE_SIZE

See Also:

• Constant Field Values

PROPAGATION_DIRECTIONS

protected static final Direction[] PROPAGATION_DIRECTIONS

chunkSource

protected final LightChunkGetter chunkSource

storage

protected final S extends LayerLightSectionStorage<M> storage

blockNodesToCheck

private final it.unimi.dsi.fastutil.longs.LongOpenHashSet blockNodesToCheck

decreaseQueue

private final it.unimi.dsi.fastutil.longs.LongArrayFIFOQueue decreaseQueue

increaseQueue

private final it.unimi.dsi.fastutil.longs.LongArrayFIFOQueue increaseQueue

mutablePos

private final BlockPos.MutableBlockPos mutablePos

CACHE_SIZE

private static final int CACHE_SIZE

See Also:

• Constant Field Values

lastChunkPos

private final long[] lastChunkPos

lastChunk

private final LightChunk[] lastChunk

Constructor Details

LightEngine

protected LightEngine(LightChunkGetter pChunkSource,
 S pStorage)

Method Details

hasDifferentLightProperties

public static boolean hasDifferentLightProperties(BlockGetter pLevel,
 BlockPos pPos,
 BlockState pState1,
 BlockState pState2)

getLightBlockInto

public static int getLightBlockInto(BlockGetter pLevel,
 BlockState pState1,
 BlockPos pPos1,
 BlockState pState2,
 BlockPos pPos2,
 Direction pDirection,
 int pDefaultReturnValue)

getOcclusionShape

public static VoxelShape getOcclusionShape(BlockGetter pLevel,
 BlockPos pPos,
 BlockState pState,
 Direction pDirection)

isEmptyShape

protected static boolean isEmptyShape(BlockState pState)

getState

protected BlockState getState(BlockPos pPos)

getOpacity

protected int getOpacity(BlockState pState,
 BlockPos pPos)

shapeOccludes

protected boolean shapeOccludes(long pPackedPos1,
 BlockState pState1,
 long pPackedPos2,
 BlockState pState2,
 Direction pDirection)

getOcclusionShape

protected VoxelShape getOcclusionShape(BlockState pState,
 long pPos,
 Direction pDirection)

getChunk

@Nullable
protected LightChunk getChunk(int pX,
 int pZ)

clearChunkCache

private void clearChunkCache()

checkBlock

public void checkBlock(BlockPos pPos)

Specified by:

checkBlock in interface LightEventListener

queueSectionData

public void queueSectionData(long pSectionPos,
 @Nullable
 DataLayer pData)

retainData

public void retainData(ChunkPos pChunkPos,
 boolean pRetainData)

updateSectionStatus

public void updateSectionStatus(SectionPos pPos,
 boolean pIsQueueEmpty)

Specified by:

updateSectionStatus in interface LightEventListener

setLightEnabled

public void setLightEnabled(ChunkPos pChunkPos,
 boolean pLightEnabled)

Specified by:

setLightEnabled in interface LightEventListener

runLightUpdates

public int runLightUpdates()

Specified by:

runLightUpdates in interface LightEventListener

propagateIncreases

private int propagateIncreases()

propagateDecreases

private int propagateDecreases()

enqueueDecrease

protected void enqueueDecrease(long pPackedPos1,
 long pPackedPos2)

enqueueIncrease

protected void enqueueIncrease(long pPackedPos1,
 long pPackedPos2)

hasLightWork

public boolean hasLightWork()

Specified by:

hasLightWork in interface LightEventListener

getDataLayerData

@Nullable
public DataLayer getDataLayerData(SectionPos pSectionPos)

Specified by:

getDataLayerData in interface LayerLightEventListener

getLightValue

public int getLightValue(BlockPos pLevelPos)

Specified by:

getLightValue in interface LayerLightEventListener

getDebugData

public String getDebugData(long pSectionPos)

getDebugSectionType

public LayerLightSectionStorage.SectionType getDebugSectionType(long pSectionPos)

checkNode

protected abstract void checkNode(long pPackedPos)

propagateIncrease

protected abstract void propagateIncrease(long pPackedPos,
 long pQueueEntry,
 int pLightLevel)

propagateDecrease

protected abstract void propagateDecrease(long pPackedPos,
 long pLightLevel)