net.minecraft.world.chunk

Class Chunk

java.lang.Object

net.minecraft.world.chunk.Chunk

Direct Known Subclasses:

EmptyChunk

public class Chunk
extends java.lang.Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Chunk.EnumCreateEntityType

Field Summary

Fields

Modifier and Type	Field and Description
static ExtendedBlockStorage	NULL_BLOCK_STORAGE
boolean	unloaded
int	xPosition The x coordinate of the chunk.
int	zPosition The z coordinate of the chunk.

Constructor Summary

Constructors

Constructor and Description
Chunk(World worldIn, ChunkPrimer primer, int x, int z)
Chunk(World worldIn, int x, int z)

Method Summary

Modifier and Type	Method and Description
void	addEntity(Entity entityIn) Adds an entity to the chunk.
void	addTileEntity(BlockPos pos, TileEntity tileEntityIn)
void	addTileEntity(TileEntity tileEntityIn)
boolean	canSeeSky(BlockPos pos)
void	checkLight()
void	enqueueRelightChecks() Called once-per-chunk-per-tick, and advances the round-robin relight check index by up to 8 blocks at a time.
void	fillChunk(PacketBuffer buf, int p_186033_2_, boolean p_186033_3_)
protected void	generateHeightMap() Generates the height map for a chunk from scratch
void	generateSkylightMap() Generates the initial skylight map for the chunk upon generation or load.
boolean	getAreLevelsEmpty(int startY, int endY) Returns whether the ExtendedBlockStorages containing levels (in blocks) from arg 1 to arg 2 are fully empty (true) or not (false).
Biome	getBiome(BlockPos pos, BiomeProvider provider)
byte[]	getBiomeArray() Returns an array containing a 16x16 mapping on the X/Z of block positions in this Chunk to biome IDs.
int	getBlockLightOpacity(BlockPos pos)
IBlockState	getBlockState(BlockPos pos)
IBlockState	getBlockState(int x, int y, int z)
ExtendedBlockStorage[]	getBlockStorageArray() Returns the ExtendedBlockStorage array for this Chunk.
<T extends Entity> void	getEntitiesOfTypeWithinAAAB(java.lang.Class<? extends T> entityClass, AxisAlignedBB aabb, java.util.List<T> listToFill, <any> filter) Gets all entities that can be assigned to the specified class.
void	getEntitiesWithinAABBForEntity(Entity entityIn, AxisAlignedBB aabb, java.util.List<Entity> listToFill, <any> p_177414_4_) Fills the given list of all entities that intersect within the given bounding box that aren't the passed entity.
ClassInheritanceMultiMap<Entity>[]	getEntityLists()
int	getHeight(BlockPos pos)
int[]	getHeightMap()
int	getHeightValue(int x, int z) Returns the value in the height map at this x, z coordinate in the chunk
long	getInhabitedTime()
int	getLightFor(EnumSkyBlock p_177413_1_, BlockPos pos)
int	getLightSubtracted(BlockPos pos, int amount)
int	getLowestHeight()
ChunkPos	getPos() Gets a ChunkPos representing the x and z coordinates of this chunk.
BlockPos	getPrecipitationHeight(BlockPos pos)
java.util.Random	getRandomWithSeed(long seed)
TileEntity	getTileEntity(BlockPos pos, Chunk.EnumCreateEntityType p_177424_2_)
java.util.Map<BlockPos,TileEntity>	getTileEntityMap()
int	getTopFilledSegment() Returns the topmost ExtendedBlockStorage instance for this Chunk that actually contains a block.
World	getWorld()
boolean	isAtLocation(int x, int z) Checks whether the chunk is at the X/Z location specified
boolean	isChunkTicked()
boolean	isEmpty()
boolean	isLightPopulated()
boolean	isLoaded()
boolean	isPopulated()
boolean	isTerrainPopulated()
boolean	needsSaving(boolean p_76601_1_) Returns true if this Chunk needs to be saved
void	onChunkLoad() Called when this Chunk is loaded by the ChunkProvider
void	onChunkUnload() Called when this Chunk is unloaded by the ChunkProvider
void	onTick(boolean p_150804_1_)
protected void	populateChunk(IChunkGenerator generator)
void	populateChunk(IChunkProvider chunkProvider, IChunkGenerator chunkGenrator)
void	removeEntity(Entity entityIn) removes entity using its y chunk coordinate as its index
void	removeEntityAtIndex(Entity entityIn, int index) Removes entity at the specified index from the entity array.
void	removeInvalidTileEntity(BlockPos pos) Removes the tile entity at the specified position, only if it's marked as invalid.
void	removeTileEntity(BlockPos pos)
void	resetRelightChecks() Resets the relight check index to 0 for this Chunk.
void	setBiomeArray(byte[] biomeArray) Accepts a 256-entry array that contains a 16x16 mapping on the X/Z plane of block positions in this Chunk to biome IDs.
IBlockState	setBlockState(BlockPos pos, IBlockState state)
void	setChunkLoaded(boolean loaded)
void	setChunkModified() Sets the isModified flag for this Chunk
void	setHasEntities(boolean hasEntitiesIn)
void	setHeightMap(int[] newHeightMap)
void	setInhabitedTime(long newInhabitedTime)
void	setLastSaveTime(long saveTime)
void	setLightFor(EnumSkyBlock p_177431_1_, BlockPos pos, int value)
void	setLightPopulated(boolean lightPopulated)
void	setModified(boolean modified)
void	setStorageArrays(ExtendedBlockStorage[] newStorageArrays)
void	setTerrainPopulated(boolean terrainPopulated)

Methods inherited from class java.lang.Object

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

Field Detail

NULL_BLOCK_STORAGE

public static final ExtendedBlockStorage NULL_BLOCK_STORAGE

xPosition

public final int xPosition

The x coordinate of the chunk.

zPosition

public final int zPosition

The z coordinate of the chunk.

unloaded

public boolean unloaded

Constructor Detail

Chunk

public Chunk(World worldIn,
             int x,
             int z)

Chunk

public Chunk(World worldIn,
             ChunkPrimer primer,
             int x,
             int z)

Method Detail

isAtLocation

public boolean isAtLocation(int x,
                            int z)

Checks whether the chunk is at the X/Z location specified

getHeight

public int getHeight(BlockPos pos)

getHeightValue

public int getHeightValue(int x,
                          int z)

Returns the value in the height map at this x, z coordinate in the chunk

getTopFilledSegment

public int getTopFilledSegment()

Returns the topmost ExtendedBlockStorage instance for this Chunk that actually contains a block.

getBlockStorageArray

public ExtendedBlockStorage[] getBlockStorageArray()

Returns the ExtendedBlockStorage array for this Chunk.

generateHeightMap

protected void generateHeightMap()

Generates the height map for a chunk from scratch

generateSkylightMap

public void generateSkylightMap()

Generates the initial skylight map for the chunk upon generation or load.

getBlockLightOpacity

public int getBlockLightOpacity(BlockPos pos)

getBlockState

public IBlockState getBlockState(BlockPos pos)

getBlockState

public IBlockState getBlockState(int x,
                                 int y,
                                 int z)

setBlockState

public IBlockState setBlockState(BlockPos pos,
                                 IBlockState state)

getLightFor

public int getLightFor(EnumSkyBlock p_177413_1_,
                       BlockPos pos)

setLightFor

public void setLightFor(EnumSkyBlock p_177431_1_,
                        BlockPos pos,
                        int value)

getLightSubtracted

public int getLightSubtracted(BlockPos pos,
                              int amount)

addEntity

public void addEntity(Entity entityIn)

Adds an entity to the chunk.

removeEntity

public void removeEntity(Entity entityIn)

removes entity using its y chunk coordinate as its index

removeEntityAtIndex

public void removeEntityAtIndex(Entity entityIn,
                                int index)

Removes entity at the specified index from the entity array.

canSeeSky

public boolean canSeeSky(BlockPos pos)

getTileEntity

public TileEntity getTileEntity(BlockPos pos,
                                Chunk.EnumCreateEntityType p_177424_2_)

addTileEntity

public void addTileEntity(TileEntity tileEntityIn)

addTileEntity

public void addTileEntity(BlockPos pos,
                          TileEntity tileEntityIn)

removeTileEntity

public void removeTileEntity(BlockPos pos)

onChunkLoad

public void onChunkLoad()

Called when this Chunk is loaded by the ChunkProvider

onChunkUnload

public void onChunkUnload()

Called when this Chunk is unloaded by the ChunkProvider

setChunkModified

public void setChunkModified()

Sets the isModified flag for this Chunk

getEntitiesWithinAABBForEntity

public void getEntitiesWithinAABBForEntity(Entity entityIn,
                                           AxisAlignedBB aabb,
                                           java.util.List<Entity> listToFill,
                                           <any> p_177414_4_)

Fills the given list of all entities that intersect within the given bounding box that aren't the passed entity.

getEntitiesOfTypeWithinAAAB

public <T extends Entity> void getEntitiesOfTypeWithinAAAB(java.lang.Class<? extends T> entityClass,
                                                           AxisAlignedBB aabb,
                                                           java.util.List<T> listToFill,
                                                           <any> filter)

Gets all entities that can be assigned to the specified class.

needsSaving

public boolean needsSaving(boolean p_76601_1_)

Returns true if this Chunk needs to be saved

getRandomWithSeed

public java.util.Random getRandomWithSeed(long seed)

isEmpty

public boolean isEmpty()

populateChunk

public void populateChunk(IChunkProvider chunkProvider,
                          IChunkGenerator chunkGenrator)

populateChunk

protected void populateChunk(IChunkGenerator generator)

getPrecipitationHeight

public BlockPos getPrecipitationHeight(BlockPos pos)

onTick

public void onTick(boolean p_150804_1_)

isPopulated

public boolean isPopulated()

isChunkTicked

public boolean isChunkTicked()

getPos

public ChunkPos getPos()

Gets a ChunkPos representing the x and z coordinates of this chunk.

getAreLevelsEmpty

public boolean getAreLevelsEmpty(int startY,
                                 int endY)

Returns whether the ExtendedBlockStorages containing levels (in blocks) from arg 1 to arg 2 are fully empty (true) or not (false).

setStorageArrays

public void setStorageArrays(ExtendedBlockStorage[] newStorageArrays)

fillChunk

public void fillChunk(PacketBuffer buf,
                      int p_186033_2_,
                      boolean p_186033_3_)

getBiome

public Biome getBiome(BlockPos pos,
                      BiomeProvider provider)

getBiomeArray

public byte[] getBiomeArray()

Returns an array containing a 16x16 mapping on the X/Z of block positions in this Chunk to biome IDs.

setBiomeArray

public void setBiomeArray(byte[] biomeArray)

Accepts a 256-entry array that contains a 16x16 mapping on the X/Z plane of block positions in this Chunk to biome IDs.

resetRelightChecks

public void resetRelightChecks()

Resets the relight check index to 0 for this Chunk.

enqueueRelightChecks

public void enqueueRelightChecks()

Called once-per-chunk-per-tick, and advances the round-robin relight check index by up to 8 blocks at a time. In a worst-case scenario, can potentially take up to 25.6 seconds, calculated via (4096/8)/20, to re-check all blocks in a chunk, which may explain lagging light updates on initial world generation.

checkLight

public void checkLight()

isLoaded

public boolean isLoaded()

setChunkLoaded

public void setChunkLoaded(boolean loaded)

getWorld

public World getWorld()

getHeightMap

public int[] getHeightMap()

setHeightMap

public void setHeightMap(int[] newHeightMap)

getTileEntityMap

public java.util.Map<BlockPos,TileEntity> getTileEntityMap()

getEntityLists

public ClassInheritanceMultiMap<Entity>[] getEntityLists()

isTerrainPopulated

public boolean isTerrainPopulated()

setTerrainPopulated

public void setTerrainPopulated(boolean terrainPopulated)

isLightPopulated

public boolean isLightPopulated()

setLightPopulated

public void setLightPopulated(boolean lightPopulated)

setModified

public void setModified(boolean modified)

setHasEntities

public void setHasEntities(boolean hasEntitiesIn)

setLastSaveTime

public void setLastSaveTime(long saveTime)

getLowestHeight

public int getLowestHeight()

getInhabitedTime

public long getInhabitedTime()

setInhabitedTime

public void setInhabitedTime(long newInhabitedTime)

removeInvalidTileEntity

public void removeInvalidTileEntity(BlockPos pos)

Removes the tile entity at the specified position, only if it's marked as invalid.