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

Mappings:

Namespace	Name
official	cmn
intermediary	net/minecraft/class_2861
named	net/minecraft/world/storage/RegionFile

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
protected static int	field_31417
private static int	field_31418
private static int	field_31419
private static int	field_31420
private static String	field_31421
private static int	field_31422
private static int	field_31423
private static int	field_31424
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()
@Nullable 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 @Nullable DataInputStream	method_22408(ChunkPos chunkPos, byte byte2)
private @Nullable DataInputStream	method_22409(ChunkPos chunkPos, byte byte2, InputStream inputStream)
private static int	method_31739()
void	method_31740(ChunkPos chunkPos)
private int	packSectorData(int offset, int size)
void	sync()
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

Mappings:

Namespace	Name	Mixin selector
official	c	Lcmn;c:Lorg/apache/logging/log4j/Logger;
intermediary	field_20434	Lnet/minecraft/class_2861;field_20434:Lorg/apache/logging/log4j/Logger;
named	LOGGER	Lnet/minecraft/world/storage/RegionFile;LOGGER:Lorg/apache/logging/log4j/Logger;

field_31418

private static final int field_31418

See Also:

Constant Field Values

Mappings:

Namespace	Name	Mixin selector
official	d	Lcmn;d:I
intermediary	field_31418	Lnet/minecraft/class_2861;field_31418:I
named	field_31418	Lnet/minecraft/world/storage/RegionFile;field_31418:I

field_31417

protected static final int field_31417

See Also:

Constant Field Values

Mappings:

Namespace	Name	Mixin selector
official	a	Lcmn;a:I
intermediary	field_31417	Lnet/minecraft/class_2861;field_31417:I
named	field_31417	Lnet/minecraft/world/storage/RegionFile;field_31417:I

field_31419

private static final int field_31419

See Also:

Constant Field Values

Mappings:

Namespace	Name	Mixin selector
official	e	Lcmn;e:I
intermediary	field_31419	Lnet/minecraft/class_2861;field_31419:I
named	field_31419	Lnet/minecraft/world/storage/RegionFile;field_31419:I

field_31420

private static final int field_31420

See Also:

Constant Field Values

Mappings:

Namespace	Name	Mixin selector
official	f	Lcmn;f:I
intermediary	field_31420	Lnet/minecraft/class_2861;field_31420:I
named	field_31420	Lnet/minecraft/world/storage/RegionFile;field_31420:I

ZERO

private static final ByteBuffer ZERO

Mappings:

Namespace	Name	Mixin selector
official	g	Lcmn;g:Ljava/nio/ByteBuffer;
intermediary	field_20435	Lnet/minecraft/class_2861;field_20435:Ljava/nio/ByteBuffer;
named	ZERO	Lnet/minecraft/world/storage/RegionFile;ZERO:Ljava/nio/ByteBuffer;

field_31421

private static final String field_31421

See Also:

Constant Field Values

Mappings:

Namespace	Name	Mixin selector
official	h	Lcmn;h:Ljava/lang/String;
intermediary	field_31421	Lnet/minecraft/class_2861;field_31421:Ljava/lang/String;
named	field_31421	Lnet/minecraft/world/storage/RegionFile;field_31421:Ljava/lang/String;

field_31422

private static final int field_31422

See Also:

Constant Field Values

Mappings:

Namespace	Name	Mixin selector
official	i	Lcmn;i:I
intermediary	field_31422	Lnet/minecraft/class_2861;field_31422:I
named	field_31422	Lnet/minecraft/world/storage/RegionFile;field_31422:I

field_31423

private static final int field_31423

See Also:

Constant Field Values

Mappings:

Namespace	Name	Mixin selector
official	j	Lcmn;j:I
intermediary	field_31423	Lnet/minecraft/class_2861;field_31423:I
named	field_31423	Lnet/minecraft/world/storage/RegionFile;field_31423:I

field_31424

private static final int field_31424

See Also:

Constant Field Values

Mappings:

Namespace	Name	Mixin selector
official	k	Lcmn;k:I
intermediary	field_31424	Lnet/minecraft/class_2861;field_31424:I
named	field_31424	Lnet/minecraft/world/storage/RegionFile;field_31424:I

channel

private final FileChannel channel

Mappings:

Namespace	Name	Mixin selector
official	l	Lcmn;l:Ljava/nio/channels/FileChannel;
intermediary	field_20436	Lnet/minecraft/class_2861;field_20436:Ljava/nio/channels/FileChannel;
named	channel	Lnet/minecraft/world/storage/RegionFile;channel:Ljava/nio/channels/FileChannel;

directory

private final Path directory

Mappings:

Namespace	Name	Mixin selector
official	m	Lcmn;m:Ljava/nio/file/Path;
intermediary	field_20657	Lnet/minecraft/class_2861;field_20657:Ljava/nio/file/Path;
named	directory	Lnet/minecraft/world/storage/RegionFile;directory:Ljava/nio/file/Path;

outputChunkStreamVersion

private final ChunkStreamVersion outputChunkStreamVersion

Mappings:

Namespace	Name	Mixin selector
official	n	Lcmn;n:Lcmp;
intermediary	field_20437	Lnet/minecraft/class_2861;field_20437:Lnet/minecraft/class_4486;
named	outputChunkStreamVersion	Lnet/minecraft/world/storage/RegionFile;outputChunkStreamVersion:Lnet/minecraft/world/storage/ChunkStreamVersion;

header

private final ByteBuffer header

Mappings:

Namespace	Name	Mixin selector
official	o	Lcmn;o:Ljava/nio/ByteBuffer;
intermediary	field_20438	Lnet/minecraft/class_2861;field_20438:Ljava/nio/ByteBuffer;
named	header	Lnet/minecraft/world/storage/RegionFile;header:Ljava/nio/ByteBuffer;

sectorData

private final IntBuffer sectorData

Mappings:

Namespace	Name	Mixin selector
official	p	Lcmn;p:Ljava/nio/IntBuffer;
intermediary	field_20439	Lnet/minecraft/class_2861;field_20439:Ljava/nio/IntBuffer;
named	sectorData	Lnet/minecraft/world/storage/RegionFile;sectorData:Ljava/nio/IntBuffer;

saveTimes

private final IntBuffer saveTimes

Mappings:

Namespace	Name	Mixin selector
official	q	Lcmn;q:Ljava/nio/IntBuffer;
intermediary	field_20440	Lnet/minecraft/class_2861;field_20440:Ljava/nio/IntBuffer;
named	saveTimes	Lnet/minecraft/world/storage/RegionFile;saveTimes:Ljava/nio/IntBuffer;

sectors

protected final SectorMap sectors

Mappings:

Namespace	Name	Mixin selector
official	b	Lcmn;b:Lcmm;
intermediary	field_20441	Lnet/minecraft/class_2861;field_20441:Lnet/minecraft/class_4485;
named	sectors	Lnet/minecraft/world/storage/RegionFile;sectors:Lnet/minecraft/world/storage/SectorMap;

Constructor Details

RegionFile

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

Throws:

IOException

Mappings:

Namespace	Name	Mixin selector
official	<init>	Lcmn;<init>(Ljava/io/File;Ljava/io/File;Z)V
intermediary	<init>	Lnet/minecraft/class_2861;<init>(Ljava/io/File;Ljava/io/File;Z)V
named	<init>	Lnet/minecraft/world/storage/RegionFile;<init>(Ljava/io/File;Ljava/io/File;Z)V

RegionFile

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

Throws:

IOException

Mappings:

Namespace	Name	Mixin selector
official	<init>	Lcmn;<init>(Ljava/nio/file/Path;Ljava/nio/file/Path;Lcmp;Z)V
intermediary	<init>	Lnet/minecraft/class_2861;<init>(Ljava/nio/file/Path;Ljava/nio/file/Path;Lnet/minecraft/class_4486;Z)V
named	<init>	Lnet/minecraft/world/storage/RegionFile;<init>(Ljava/nio/file/Path;Ljava/nio/file/Path;Lnet/minecraft/world/storage/ChunkStreamVersion;Z)V

Method Details

getExternalChunkPath

private Path getExternalChunkPath(ChunkPos chunkPos)

Mappings:

Namespace	Name	Mixin selector
official	f	Lcmn;f(Lbuw;)Ljava/nio/file/Path;
intermediary	method_22413	Lnet/minecraft/class_2861;method_22413(Lnet/minecraft/class_1923;)Ljava/nio/file/Path;
named	getExternalChunkPath	Lnet/minecraft/world/storage/RegionFile;getExternalChunkPath(Lnet/minecraft/util/math/ChunkPos;)Ljava/nio/file/Path;

getChunkInputStream

@Nullable
public @Nullable DataInputStream getChunkInputStream(ChunkPos pos)
                                              throws IOException

Throws:

IOException

Mappings:

Namespace	Name	Mixin selector
official	a	Lcmn;a(Lbuw;)Ljava/io/DataInputStream;
intermediary	method_21873	Lnet/minecraft/class_2861;method_21873(Lnet/minecraft/class_1923;)Ljava/io/DataInputStream;
named	getChunkInputStream	Lnet/minecraft/world/storage/RegionFile;getChunkInputStream(Lnet/minecraft/util/math/ChunkPos;)Ljava/io/DataInputStream;

method_31739

private static int method_31739()

Mappings:

Namespace	Name	Mixin selector
official	b	Lcmn;b()I
intermediary	method_31739	Lnet/minecraft/class_2861;method_31739()I
named	method_31739	Lnet/minecraft/world/storage/RegionFile;method_31739()I

hasChunkStreamVersionId

private static boolean hasChunkStreamVersionId(byte byte2)

Mappings:

Namespace	Name	Mixin selector
official	a	Lcmn;a(B)Z
intermediary	method_22407	Lnet/minecraft/class_2861;method_22407(B)Z
named	hasChunkStreamVersionId	Lnet/minecraft/world/storage/RegionFile;hasChunkStreamVersionId(B)Z

getChunkStreamVersionId

private static byte getChunkStreamVersionId(byte byte2)

Mappings:

Namespace	Name	Mixin selector
official	b	Lcmn;b(B)B
intermediary	method_22412	Lnet/minecraft/class_2861;method_22412(B)B
named	getChunkStreamVersionId	Lnet/minecraft/world/storage/RegionFile;getChunkStreamVersionId(B)B

method_22409

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

Throws:

IOException

Mappings:

Namespace	Name	Mixin selector
official	a	Lcmn;a(Lbuw;BLjava/io/InputStream;)Ljava/io/DataInputStream;
intermediary	method_22409	Lnet/minecraft/class_2861;method_22409(Lnet/minecraft/class_1923;BLjava/io/InputStream;)Ljava/io/DataInputStream;
named	method_22409	Lnet/minecraft/world/storage/RegionFile;method_22409(Lnet/minecraft/util/math/ChunkPos;BLjava/io/InputStream;)Ljava/io/DataInputStream;

method_22408

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

Throws:

IOException

Mappings:

Namespace	Name	Mixin selector
official	a	Lcmn;a(Lbuw;B)Ljava/io/DataInputStream;
intermediary	method_22408	Lnet/minecraft/class_2861;method_22408(Lnet/minecraft/class_1923;B)Ljava/io/DataInputStream;
named	method_22408	Lnet/minecraft/world/storage/RegionFile;method_22408(Lnet/minecraft/util/math/ChunkPos;B)Ljava/io/DataInputStream;

getInputStream

private static ByteArrayInputStream getInputStream(ByteBuffer buffer,
int length)

Mappings:

Namespace	Name	Mixin selector
official	a	Lcmn;a(Ljava/nio/ByteBuffer;I)Ljava/io/ByteArrayInputStream;
intermediary	method_21876	Lnet/minecraft/class_2861;method_21876(Ljava/nio/ByteBuffer;I)Ljava/io/ByteArrayInputStream;
named	getInputStream	Lnet/minecraft/world/storage/RegionFile;getInputStream(Ljava/nio/ByteBuffer;I)Ljava/io/ByteArrayInputStream;

packSectorData

private int packSectorData(int offset,
int size)

Mappings:

Namespace	Name	Mixin selector
official	a	Lcmn;a(II)I
intermediary	method_21872	Lnet/minecraft/class_2861;method_21872(II)I
named	packSectorData	Lnet/minecraft/world/storage/RegionFile;packSectorData(II)I

getSize

private static int getSize(int sectorData)

Mappings:

Namespace	Name	Mixin selector
official	a	Lcmn;a(I)I
intermediary	method_21871	Lnet/minecraft/class_2861;method_21871(I)I
named	getSize	Lnet/minecraft/world/storage/RegionFile;getSize(I)I

getOffset

private static int getOffset(int sectorData)

Mappings:

Namespace	Name	Mixin selector
official	b	Lcmn;b(I)I
intermediary	method_21878	Lnet/minecraft/class_2861;method_21878(I)I
named	getOffset	Lnet/minecraft/world/storage/RegionFile;getOffset(I)I

getSectorCount

private static int getSectorCount(int byteCount)

Mappings:

Namespace	Name	Mixin selector
official	c	Lcmn;c(I)I
intermediary	method_21880	Lnet/minecraft/class_2861;method_21880(I)I
named	getSectorCount	Lnet/minecraft/world/storage/RegionFile;getSectorCount(I)I

isChunkValid

public boolean isChunkValid(ChunkPos pos)

Mappings:

Namespace	Name	Mixin selector
official	b	Lcmn;b(Lbuw;)Z
intermediary	method_21879	Lnet/minecraft/class_2861;method_21879(Lnet/minecraft/class_1923;)Z
named	isChunkValid	Lnet/minecraft/world/storage/RegionFile;isChunkValid(Lnet/minecraft/util/math/ChunkPos;)Z

getChunkOutputStream

public DataOutputStream getChunkOutputStream(ChunkPos pos)
                                      throws IOException

Throws:

IOException

Mappings:

Namespace	Name	Mixin selector
official	c	Lcmn;c(Lbuw;)Ljava/io/DataOutputStream;
intermediary	method_21881	Lnet/minecraft/class_2861;method_21881(Lnet/minecraft/class_1923;)Ljava/io/DataOutputStream;
named	getChunkOutputStream	Lnet/minecraft/world/storage/RegionFile;getChunkOutputStream(Lnet/minecraft/util/math/ChunkPos;)Ljava/io/DataOutputStream;

sync

public void sync()
          throws IOException

Throws:

IOException

Mappings:

Namespace	Name	Mixin selector
official	a	Lcmn;a()V
intermediary	method_26981	Lnet/minecraft/class_2861;method_26981()V
named	sync	Lnet/minecraft/world/storage/RegionFile;sync()V

method_31740

public void method_31740(ChunkPos chunkPos)
                  throws IOException

Throws:

IOException

Mappings:

Namespace	Name	Mixin selector
official	d	Lcmn;d(Lbuw;)V
intermediary	method_31740	Lnet/minecraft/class_2861;method_31740(Lnet/minecraft/class_1923;)V
named	method_31740	Lnet/minecraft/world/storage/RegionFile;method_31740(Lnet/minecraft/util/math/ChunkPos;)V

writeChunk

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

Throws:

IOException

Mappings:

Namespace	Name	Mixin selector
official	a	Lcmn;a(Lbuw;Ljava/nio/ByteBuffer;)V
intermediary	method_21874	Lnet/minecraft/class_2861;method_21874(Lnet/minecraft/class_1923;Ljava/nio/ByteBuffer;)V
named	writeChunk	Lnet/minecraft/world/storage/RegionFile;writeChunk(Lnet/minecraft/util/math/ChunkPos;Ljava/nio/ByteBuffer;)V

method_22406

private ByteBuffer method_22406()

Mappings:

Namespace	Name	Mixin selector
official	c	Lcmn;c()Ljava/nio/ByteBuffer;
intermediary	method_22406	Lnet/minecraft/class_2861;method_22406()Ljava/nio/ByteBuffer;
named	method_22406	Lnet/minecraft/world/storage/RegionFile;method_22406()Ljava/nio/ByteBuffer;

writeSafely

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

Throws:

IOException

Mappings:

Namespace	Name	Mixin selector
official	a	Lcmn;a(Ljava/nio/file/Path;Ljava/nio/ByteBuffer;)Lcmn$b;
intermediary	method_22410	Lnet/minecraft/class_2861;method_22410(Ljava/nio/file/Path;Ljava/nio/ByteBuffer;)Lnet/minecraft/class_2861$class_4549;
named	writeSafely	Lnet/minecraft/world/storage/RegionFile;writeSafely(Ljava/nio/file/Path;Ljava/nio/ByteBuffer;)Lnet/minecraft/world/storage/RegionFile$OutputAction;

writeHeader

private void writeHeader()
                  throws IOException

Throws:

IOException

Mappings:

Namespace	Name	Mixin selector
official	d	Lcmn;d()V
intermediary	method_21870	Lnet/minecraft/class_2861;method_21870()V
named	writeHeader	Lnet/minecraft/world/storage/RegionFile;writeHeader()V

getSectorData

private int getSectorData(ChunkPos pos)

Mappings:

Namespace	Name	Mixin selector
official	g	Lcmn;g(Lbuw;)I
intermediary	method_12419	Lnet/minecraft/class_2861;method_12419(Lnet/minecraft/class_1923;)I
named	getSectorData	Lnet/minecraft/world/storage/RegionFile;getSectorData(Lnet/minecraft/util/math/ChunkPos;)I

hasChunk

public boolean hasChunk(ChunkPos pos)

Mappings:

Namespace	Name	Mixin selector
official	e	Lcmn;e(Lbuw;)Z
intermediary	method_12423	Lnet/minecraft/class_2861;method_12423(Lnet/minecraft/class_1923;)Z
named	hasChunk	Lnet/minecraft/world/storage/RegionFile;hasChunk(Lnet/minecraft/util/math/ChunkPos;)Z

getIndex

private static int getIndex(ChunkPos pos)

Mappings:

Namespace	Name	Mixin selector
official	h	Lcmn;h(Lbuw;)I
intermediary	method_17909	Lnet/minecraft/class_2861;method_17909(Lnet/minecraft/class_1923;)I
named	getIndex	Lnet/minecraft/world/storage/RegionFile;getIndex(Lnet/minecraft/util/math/ChunkPos;)I

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Throws:

IOException

Mappings:

Namespace	Name	Mixin selector
official	close	Lcmn;close()V
intermediary	close	Lnet/minecraft/class_2861;close()V
named	close	Lnet/minecraft/world/storage/RegionFile;close()V

fillLastSector

private void fillLastSector()
                     throws IOException

Throws:

IOException

Mappings:

Namespace	Name	Mixin selector
official	e	Lcmn;e()V
intermediary	method_21877	Lnet/minecraft/class_2861;method_21877()V
named	fillLastSector	Lnet/minecraft/world/storage/RegionFile;fillLastSector()V