Package net.minecraft.world.chunk.storage

Class RegionFile

java.lang.Object

net.minecraft.world.chunk.storage.RegionFile

All Implemented Interfaces:

AutoCloseable

public class RegionFile
extends Object
implements AutoCloseable

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) class	RegionFile.ChunkBuffer
(package private) static interface	RegionFile.ICompleteCallback

Field Summary

Fields

Modifier and Type	Field	Description
private final Path	externalFileDir
private final FileChannel	file
private final ByteBuffer	header
private static final org.apache.logging.log4j.Logger	LOGGER
private final IntBuffer	offsets
private static final ByteBuffer	PADDING_BUFFER
private final IntBuffer	timestamps
protected final RegionBitmap	usedSectors
private final RegionFileVersion	version

Constructor Summary

Constructors

Constructor	Description
RegionFile(File p_i231893_1_, File p_i231893_2_, boolean p_i231893_3_)
RegionFile(Path p_i231894_1_, Path p_i231894_2_, RegionFileVersion p_i231894_3_, boolean p_i231894_4_)

Method Summary

Modifier and Type	Method	Description
void	close()
private DataInputStream	createChunkInputStream(ChunkPos p_227134_1_, byte p_227134_2_, InputStream p_227134_3_)
private DataInputStream	createExternalChunkInputStream(ChunkPos p_227133_1_, byte p_227133_2_)
private ByteBuffer	createExternalStub()
private static ByteArrayInputStream	createStream(ByteBuffer p_227137_0_, int p_227137_1_)
boolean	doesChunkExist(ChunkPos p_222662_1_)
void	flush()
DataInputStream	getChunkDataInputStream(ChunkPos p_222666_1_)
DataOutputStream	getChunkDataOutputStream(ChunkPos p_222661_1_)
private Path	getExternalChunkPath(ChunkPos p_227145_1_)
private static byte	getExternalChunkVersion(byte p_227141_0_)
private static int	getNumSectors(int p_227131_0_)
private int	getOffset(ChunkPos p_222660_1_)
private static int	getOffsetIndex(ChunkPos p_222668_0_)
private static int	getSectorNumber(int p_227142_0_)
boolean	hasChunk(ChunkPos p_222667_1_)
private static boolean	isExternalStreamChunk(byte p_227130_0_)
private int	packSectorOffset(int p_227132_1_, int p_227132_2_)
private void	padToFullSector()
private static int	sizeToSectors(int p_227144_0_)
protected void	write(ChunkPos p_227135_1_, ByteBuffer p_227135_2_)
private void	writeHeader()
private RegionFile.ICompleteCallback	writeToExternalFile(Path p_227138_1_, ByteBuffer p_227138_2_)

Methods inherited from class java.lang.Object

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

Field Details

LOGGER

private static final org.apache.logging.log4j.Logger LOGGER

PADDING_BUFFER

private static final ByteBuffer PADDING_BUFFER

file

private final FileChannel file

externalFileDir

private final Path externalFileDir

version

private final RegionFileVersion version

header

private final ByteBuffer header

offsets

private final IntBuffer offsets

timestamps

private final IntBuffer timestamps

usedSectors

protected final RegionBitmap usedSectors

Constructor Details

RegionFile

public RegionFile(File p_i231893_1_,
 File p_i231893_2_,
 boolean p_i231893_3_)
           throws IOException

Throws:

IOException

RegionFile

public RegionFile(Path p_i231894_1_,
 Path p_i231894_2_,
 RegionFileVersion p_i231894_3_,
 boolean p_i231894_4_)
           throws IOException

Throws:

IOException

Method Details

getExternalChunkPath

private Path getExternalChunkPath(ChunkPos p_227145_1_)

getChunkDataInputStream

@Nullable
public DataInputStream getChunkDataInputStream(ChunkPos p_222666_1_)
                                        throws IOException

Throws:

IOException

isExternalStreamChunk

private static boolean isExternalStreamChunk(byte p_227130_0_)

getExternalChunkVersion

private static byte getExternalChunkVersion(byte p_227141_0_)

createChunkInputStream

@Nullable
private DataInputStream createChunkInputStream(ChunkPos p_227134_1_,
 byte p_227134_2_,
 InputStream p_227134_3_)
                                        throws IOException

Throws:

IOException

createExternalChunkInputStream

@Nullable
private DataInputStream createExternalChunkInputStream(ChunkPos p_227133_1_,
 byte p_227133_2_)
                                                throws IOException

Throws:

IOException

createStream

private static ByteArrayInputStream createStream(ByteBuffer p_227137_0_,
 int p_227137_1_)

packSectorOffset

private int packSectorOffset(int p_227132_1_,
 int p_227132_2_)

getNumSectors

private static int getNumSectors(int p_227131_0_)

getSectorNumber

private static int getSectorNumber(int p_227142_0_)

sizeToSectors

private static int sizeToSectors(int p_227144_0_)

doesChunkExist

public boolean doesChunkExist(ChunkPos p_222662_1_)

getChunkDataOutputStream

public DataOutputStream getChunkDataOutputStream(ChunkPos p_222661_1_)
                                          throws IOException

Throws:

IOException

flush

public void flush()
           throws IOException

Throws:

IOException

write

protected void write(ChunkPos p_227135_1_,
 ByteBuffer p_227135_2_)
              throws IOException

Throws:

IOException

createExternalStub

private ByteBuffer createExternalStub()

writeToExternalFile

private RegionFile.ICompleteCallback writeToExternalFile(Path p_227138_1_,
 ByteBuffer p_227138_2_)
                                                  throws IOException

Throws:

IOException

writeHeader

private void writeHeader()
                  throws IOException

Throws:

IOException

getOffset

private int getOffset(ChunkPos p_222660_1_)

hasChunk

public boolean hasChunk(ChunkPos p_222667_1_)

getOffsetIndex

private static int getOffsetIndex(ChunkPos p_222668_0_)

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Throws:

IOException

padToFullSector

private void padToFullSector()
                      throws IOException

Throws:

IOException