Package net.minecraft.world.storage

Class RegionFile

java.lang.Object

net.minecraft.world.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.OutputAction

Field Summary

Fields

Modifier and Type	Field	Description
private FileChannel	channel
private Path	directory
private ByteBuffer	header
private static Logger	LOGGER
private ChunkStreamVersion	outputChunkStreamVersion
private IntBuffer	saveTimes
private IntBuffer	sectorData
protected SectorMap	sectors
private static ByteBuffer	ZERO

Constructor Summary

Constructors

Constructor	Description
RegionFile(File file, File directory, boolean dsync)
RegionFile(Path file, Path directory, ChunkStreamVersion outputChunkStreamVersion, boolean dsync)

Method Summary

Modifier and Type	Method	Description
void	close()
private void	fillLastSector()
DataInputStream	getChunkInputStream(ChunkPos pos)
DataOutputStream	getChunkOutputStream(ChunkPos pos)
private static byte	getChunkStreamVersionId(byte byte2)
private Path	getExternalChunkPath(ChunkPos chunkPos)
private static int	getIndex(ChunkPos pos)
private static ByteArrayInputStream	getInputStream(ByteBuffer buffer, int length)
private static int	getOffset(int sectorData)
private static int	getSectorCount(int byteCount)
private int	getSectorData(ChunkPos pos)
private static int	getSize(int sectorData)
boolean	hasChunk(ChunkPos pos)
private static boolean	hasChunkStreamVersionId(byte byte2)
boolean	isChunkValid(ChunkPos pos)
private ByteBuffer	method_22406()
private DataInputStream	method_22408(ChunkPos chunkPos, byte byte2)
private DataInputStream	method_22409(ChunkPos chunkPos, byte byte2, InputStream inputStream)
void	method_26981()
private static int	method_31739()
void	method_31740(ChunkPos chunkPos)
private int	packSectorData(int offset, int size)
protected void	writeChunk(ChunkPos pos, ByteBuffer byteBuffer)
private void	writeHeader()
private RegionFile.OutputAction	writeSafely(Path path, ByteBuffer byteBuffer)

Methods inherited from class java.lang.Object

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

Field Details

LOGGER

private static final Logger LOGGER

ZERO

private static final ByteBuffer ZERO

channel

private final FileChannel channel

directory

private final Path directory

outputChunkStreamVersion

private final ChunkStreamVersion outputChunkStreamVersion

header

private final ByteBuffer header

sectorData

private final IntBuffer sectorData

saveTimes

private final IntBuffer saveTimes

sectors

protected final SectorMap sectors

Constructor Details

RegionFile

public RegionFile(File file,
File directory,
boolean dsync)
           throws IOException

Throws:

IOException

RegionFile

public RegionFile(Path file,
Path directory,
ChunkStreamVersion outputChunkStreamVersion,
boolean dsync)
           throws IOException

Throws:

IOException

Method Details

getExternalChunkPath

private Path getExternalChunkPath(ChunkPos chunkPos)

getChunkInputStream

@Nullable
public DataInputStream getChunkInputStream(ChunkPos pos)
                                    throws IOException

Throws:

IOException

method_31739

private static int method_31739()

hasChunkStreamVersionId

private static boolean hasChunkStreamVersionId(byte byte2)

getChunkStreamVersionId

private static byte getChunkStreamVersionId(byte byte2)

method_22409

@Nullable
private DataInputStream method_22409(ChunkPos chunkPos,
byte byte2,
InputStream inputStream)
                              throws IOException

Throws:

IOException

method_22408

@Nullable
private DataInputStream method_22408(ChunkPos chunkPos,
byte byte2)
                              throws IOException

Throws:

IOException

getInputStream

private static ByteArrayInputStream getInputStream(ByteBuffer buffer,
int length)

packSectorData

private int packSectorData(int offset,
int size)

getSize

private static int getSize(int sectorData)

getOffset

private static int getOffset(int sectorData)

getSectorCount

private static int getSectorCount(int byteCount)

isChunkValid

public boolean isChunkValid(ChunkPos pos)

getChunkOutputStream

public DataOutputStream getChunkOutputStream(ChunkPos pos)
                                      throws IOException

Throws:

IOException

method_26981

public void method_26981()
                  throws IOException

Throws:

IOException

method_31740

public void method_31740(ChunkPos chunkPos)
                  throws IOException

Throws:

IOException

writeChunk

protected void writeChunk(ChunkPos pos,
ByteBuffer byteBuffer)
                   throws IOException

Throws:

IOException

method_22406

private ByteBuffer method_22406()

writeSafely

private RegionFile.OutputAction writeSafely(Path path,
ByteBuffer byteBuffer)
                                     throws IOException

Throws:

IOException

writeHeader

private void writeHeader()
                  throws IOException

Throws:

IOException

getSectorData

private int getSectorData(ChunkPos pos)

hasChunk

public boolean hasChunk(ChunkPos pos)

getIndex

private static int getIndex(ChunkPos pos)

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Throws:

IOException

fillLastSector

private void fillLastSector()
                     throws IOException

Throws:

IOException