java.lang.Object

net.minecraft.world.level.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.CommitOp
Field Summary

Fields

Modifier and Type

Field

Description

private static final int

CHUNK_HEADER_SIZE

private static final int

CHUNK_NOT_PRESENT

private static final int

EXTERNAL_CHUNK_THRESHOLD

private static final String

EXTERNAL_FILE_EXTENSION

private static final int

EXTERNAL_STREAM_FLAG

private final Path

externalFileDir

private final FileChannel

file

private final ByteBuffer

header

private static final int

HEADER_OFFSET

private static final org.slf4j.Logger

LOGGER

private final IntBuffer

offsets

private static final ByteBuffer

PADDING_BUFFER

private static final int

SECTOR_BYTES

protected static final int

SECTOR_INTS

private final IntBuffer

timestamps

protected final RegionBitmap

usedSectors

(package private) final RegionFileVersion

version
Constructor Summary

Constructors

Constructor

Description

RegionFile(Path p_196950_, Path p_196951_, boolean p_196952_)

RegionFile(Path p_63633_, Path p_63634_, RegionFileVersion p_63635_, boolean p_63636_)
Method Summary

Modifier and Type

Method

Description

void

clear(ChunkPos p_156614_)

void

close()

private DataInputStream

createChunkInputStream(ChunkPos p_63651_, byte p_63652_, InputStream p_63653_)

private DataInputStream

createExternalChunkInputStream(ChunkPos p_63648_, byte p_63649_)

private ByteBuffer

createExternalStub()

private static ByteArrayInputStream

createStream(ByteBuffer p_63660_, int p_63661_)

boolean

doesChunkExist(ChunkPos p_63674_)

void

flush()

DataInputStream

getChunkDataInputStream(ChunkPos p_63646_)

DataOutputStream

getChunkDataOutputStream(ChunkPos p_63679_)

private Path

getExternalChunkPath(ChunkPos p_63685_)

private static byte

getExternalChunkVersion(byte p_63670_)

private static int

getNumSectors(int p_63641_)

private int

getOffset(ChunkPos p_63687_)

private static int

getOffsetIndex(ChunkPos p_63689_)

private static int

getSectorNumber(int p_63672_)

private static int

getTimestamp()

boolean

hasChunk(ChunkPos p_63683_)

private static boolean

isExternalStreamChunk(byte p_63639_)

private int

packSectorOffset(int p_63643_, int p_63644_)

private void

padToFullSector()

private static int

sizeToSectors(int p_63677_)

protected void

write(ChunkPos p_63655_, ByteBuffer p_63656_)

private void

writeHeader()

private RegionFile.CommitOp

writeToExternalFile(Path p_63663_, ByteBuffer p_63664_)

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.slf4j.Logger LOGGER
- SECTOR_BYTES
  
  private static final int SECTOR_BYTES
  See Also:
  
  Constant Field Values
- SECTOR_INTS
  
  protected static final int SECTOR_INTS
  See Also:
  
  Constant Field Values
- CHUNK_HEADER_SIZE
  
  private static final int CHUNK_HEADER_SIZE
  See Also:
  
  Constant Field Values
- HEADER_OFFSET
  
  private static final int HEADER_OFFSET
  See Also:
  
  Constant Field Values
- PADDING_BUFFER
  
  private static final ByteBuffer PADDING_BUFFER
- EXTERNAL_FILE_EXTENSION
  
  private static final String EXTERNAL_FILE_EXTENSION
  See Also:
  
  Constant Field Values
- EXTERNAL_STREAM_FLAG
  
  private static final int EXTERNAL_STREAM_FLAG
  See Also:
  
  Constant Field Values
- EXTERNAL_CHUNK_THRESHOLD
  
  private static final int EXTERNAL_CHUNK_THRESHOLD
  See Also:
  
  Constant Field Values
- CHUNK_NOT_PRESENT
  
  private static final int CHUNK_NOT_PRESENT
  See Also:
  
  Constant Field Values
- file
  
  private final FileChannel file
- externalFileDir
  
  private final Path externalFileDir
- version
  
  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(Path p_196950_, Path p_196951_, boolean p_196952_) throws IOException
  
  Throws:
  
  IOException
- RegionFile
  
  public RegionFile(Path p_63633_, Path p_63634_, RegionFileVersion p_63635_, boolean p_63636_) throws IOException
  
  Throws:
  
  IOException
Method Details
- getExternalChunkPath
  
  private Path getExternalChunkPath(ChunkPos p_63685_)
- getChunkDataInputStream
  
  @Nullable public DataInputStream getChunkDataInputStream(ChunkPos p_63646_) throws IOException
  
  Throws:
  
  IOException
- getTimestamp
  
  private static int getTimestamp()
- isExternalStreamChunk
  
  private static boolean isExternalStreamChunk(byte p_63639_)
- getExternalChunkVersion
  
  private static byte getExternalChunkVersion(byte p_63670_)
- createChunkInputStream
  
  @Nullable private DataInputStream createChunkInputStream(ChunkPos p_63651_, byte p_63652_, InputStream p_63653_) throws IOException
  
  Throws:
  
  IOException
- createExternalChunkInputStream
  
  @Nullable private DataInputStream createExternalChunkInputStream(ChunkPos p_63648_, byte p_63649_) throws IOException
  
  Throws:
  
  IOException
- createStream
  
  private static ByteArrayInputStream createStream(ByteBuffer p_63660_, int p_63661_)
- packSectorOffset
  
  private int packSectorOffset(int p_63643_, int p_63644_)
- getNumSectors
  
  private static int getNumSectors(int p_63641_)
- getSectorNumber
  
  private static int getSectorNumber(int p_63672_)
- sizeToSectors
  
  private static int sizeToSectors(int p_63677_)
- doesChunkExist
  
  public boolean doesChunkExist(ChunkPos p_63674_)
- getChunkDataOutputStream
  
  public DataOutputStream getChunkDataOutputStream(ChunkPos p_63679_) throws IOException
  
  Throws:
  
  IOException
- flush
  
  public void flush() throws IOException
  
  Throws:
  
  IOException
- clear
  
  public void clear(ChunkPos p_156614_) throws IOException
  
  Throws:
  
  IOException
- write
  
  protected void write(ChunkPos p_63655_, ByteBuffer p_63656_) throws IOException
  
  Throws:
  
  IOException
- createExternalStub
  
  private ByteBuffer createExternalStub()
- writeToExternalFile
  
  private RegionFile.CommitOp writeToExternalFile(Path p_63663_, ByteBuffer p_63664_) throws IOException
  
  Throws:
  
  IOException
- writeHeader
  
  private void writeHeader() throws IOException
  
  Throws:
  
  IOException
- getOffset
  
  private int getOffset(ChunkPos p_63687_)
- hasChunk
  
  public boolean hasChunk(ChunkPos p_63683_)
- getOffsetIndex
  
  private static int getOffsetIndex(ChunkPos p_63689_)
- close
  
  public void close() throws IOException
  
  Specified by:
  
  close in interface AutoCloseable
  
  Throws:
  
  IOException
- padToFullSector
  
  private void padToFullSector() throws IOException
  
  Throws:
  
  IOException

Class RegionFile

Nested Class Summary

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Details

LOGGER

SECTOR_BYTES

SECTOR_INTS

CHUNK_HEADER_SIZE

HEADER_OFFSET

PADDING_BUFFER

EXTERNAL_FILE_EXTENSION

EXTERNAL_STREAM_FLAG

EXTERNAL_CHUNK_THRESHOLD

CHUNK_NOT_PRESENT

file

externalFileDir

version

header

offsets

timestamps

usedSectors

Constructor Details

RegionFile

RegionFile

Method Details

getExternalChunkPath

getChunkDataInputStream

getTimestamp

isExternalStreamChunk

getExternalChunkVersion

createChunkInputStream

createExternalChunkInputStream

createStream

packSectorOffset

getNumSectors

getSectorNumber

sizeToSectors

doesChunkExist

getChunkDataOutputStream

flush

clear

write

createExternalStub

writeToExternalFile

writeHeader

getOffset

hasChunk

getOffsetIndex

close

padToFullSector