程序包 net.minecraft.world.level.chunk.storage

类 RegionFile

java.lang.Object

net.minecraft.world.level.chunk.storage.RegionFile

所有已实现的接口:

AutoCloseable

public class RegionFile
extends Object
implements AutoCloseable

嵌套类概要

嵌套类

修饰符和类型	类	说明
(专用程序包) class	RegionFile.ChunkBuffer
(专用程序包) static interface	RegionFile.CommitOp

字段概要

字段

修饰符和类型	字段	说明
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
(专用程序包) final RegionFileVersion	version

构造器概要

构造器

构造器	说明
RegionFile(Path pRegionFile, Path pContainingFolder, boolean pSync)
RegionFile(Path pRegionFile, Path pContainingFolder, RegionFileVersion pVersion, boolean pSync)

方法概要

修饰符和类型	方法	说明
void	clear(ChunkPos pChunkPos)
void	close()
private DataInputStream	createChunkInputStream(ChunkPos pChunkPos, byte pVersionByte, InputStream pInputStream)
private DataInputStream	createExternalChunkInputStream(ChunkPos pChunkPos, byte pVersionByte)
private ByteBuffer	createExternalStub()
private static ByteArrayInputStream	createStream(ByteBuffer pSourceBuffer, int pLength)
boolean	doesChunkExist(ChunkPos pChunkPos)
void	flush()
DataInputStream	getChunkDataInputStream(ChunkPos pChunkPos)
DataOutputStream	getChunkDataOutputStream(ChunkPos pChunkPos)
private Path	getExternalChunkPath(ChunkPos pChunkPos)
private static byte	getExternalChunkVersion(byte pVersionByte)
private static int	getNumSectors(int pPackedSectorOffset)
private int	getOffset(ChunkPos pChunkPos)
private static int	getOffsetIndex(ChunkPos pChunkPos)
private static int	getSectorNumber(int pPackedSectorOffset)
private static int	getTimestamp()
boolean	hasChunk(ChunkPos pChunkPos)
private static boolean	isExternalStreamChunk(byte pVersionByte)
private int	packSectorOffset(int pSectorOffset, int pSectorCount)
private void	padToFullSector()
private static int	sizeToSectors(int pSize)
protected void	write(ChunkPos pChunkPos, ByteBuffer pChunkData)
private void	writeHeader()
private RegionFile.CommitOp	writeToExternalFile(Path pExternalChunkFile, ByteBuffer pChunkData)

从类继承的方法 java.lang.Object

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

字段详细资料

LOGGER

private static final org.slf4j.Logger LOGGER

SECTOR_BYTES

private static final int SECTOR_BYTES

另请参阅:

• 常量字段值

SECTOR_INTS

protected static final int SECTOR_INTS

另请参阅:

• 常量字段值

CHUNK_HEADER_SIZE

private static final int CHUNK_HEADER_SIZE

另请参阅:

• 常量字段值

HEADER_OFFSET

private static final int HEADER_OFFSET

另请参阅:

• 常量字段值

PADDING_BUFFER

private static final ByteBuffer PADDING_BUFFER

EXTERNAL_FILE_EXTENSION

private static final String EXTERNAL_FILE_EXTENSION

另请参阅:

• 常量字段值

EXTERNAL_STREAM_FLAG

private static final int EXTERNAL_STREAM_FLAG

另请参阅:

• 常量字段值

EXTERNAL_CHUNK_THRESHOLD

private static final int EXTERNAL_CHUNK_THRESHOLD

另请参阅:

• 常量字段值

CHUNK_NOT_PRESENT

private static final int CHUNK_NOT_PRESENT

另请参阅:

• 常量字段值

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

构造器详细资料

RegionFile

public RegionFile(Path pRegionFile,
 Path pContainingFolder,
 boolean pSync)
           throws IOException

抛出:

IOException

RegionFile

public RegionFile(Path pRegionFile,
 Path pContainingFolder,
 RegionFileVersion pVersion,
 boolean pSync)
           throws IOException

抛出:

IOException

方法详细资料

getExternalChunkPath

private Path getExternalChunkPath(ChunkPos pChunkPos)

getChunkDataInputStream

@Nullable
public DataInputStream getChunkDataInputStream(ChunkPos pChunkPos)
                                        throws IOException

抛出:

IOException

getTimestamp

private static int getTimestamp()

isExternalStreamChunk

private static boolean isExternalStreamChunk(byte pVersionByte)

getExternalChunkVersion

private static byte getExternalChunkVersion(byte pVersionByte)

createChunkInputStream

@Nullable
private DataInputStream createChunkInputStream(ChunkPos pChunkPos,
 byte pVersionByte,
 InputStream pInputStream)
                                        throws IOException

抛出:

IOException

createExternalChunkInputStream

@Nullable
private DataInputStream createExternalChunkInputStream(ChunkPos pChunkPos,
 byte pVersionByte)
                                                throws IOException

抛出:

IOException

createStream

private static ByteArrayInputStream createStream(ByteBuffer pSourceBuffer,
 int pLength)

packSectorOffset

private int packSectorOffset(int pSectorOffset,
 int pSectorCount)

getNumSectors

private static int getNumSectors(int pPackedSectorOffset)

getSectorNumber

private static int getSectorNumber(int pPackedSectorOffset)

sizeToSectors

private static int sizeToSectors(int pSize)

doesChunkExist

public boolean doesChunkExist(ChunkPos pChunkPos)

getChunkDataOutputStream

public DataOutputStream getChunkDataOutputStream(ChunkPos pChunkPos)
                                          throws IOException

抛出:

IOException

flush

public void flush()
           throws IOException

抛出:

IOException

clear

public void clear(ChunkPos pChunkPos)
           throws IOException

抛出:

IOException

write

protected void write(ChunkPos pChunkPos,
 ByteBuffer pChunkData)
              throws IOException

抛出:

IOException

createExternalStub

private ByteBuffer createExternalStub()

writeToExternalFile

private RegionFile.CommitOp writeToExternalFile(Path pExternalChunkFile,
 ByteBuffer pChunkData)
                                         throws IOException

抛出:

IOException

writeHeader

private void writeHeader()
                  throws IOException

抛出:

IOException

getOffset

private int getOffset(ChunkPos pChunkPos)

hasChunk

public boolean hasChunk(ChunkPos pChunkPos)

getOffsetIndex

private static int getOffsetIndex(ChunkPos pChunkPos)

close

public void close()
           throws IOException

指定者:

close 在接口中 AutoCloseable

抛出:

IOException

padToFullSector

private void padToFullSector()
                      throws IOException

抛出:

IOException