net.minecraft.world.storage

Class SaveHandler

java.lang.Object

net.minecraft.world.storage.SaveHandler

All Implemented Interfaces:

IPlayerFileData, ISaveHandler

Direct Known Subclasses:

AnvilSaveHandler

public class SaveHandler
extends java.lang.Object
implements ISaveHandler, IPlayerFileData

Field Summary

Fields

Modifier and Type	Field and Description
private long	initializationTime The time in milliseconds when this field was initialized.
private static org.apache.logging.log4j.Logger	logger
private java.io.File	mapDataDir
private java.io.File	playersDirectory The directory in which to save player data.
private java.lang.String	saveDirectoryName The directory name of the world
private java.io.File	worldDirectory The directory in which to save world data.

Constructor Summary

Constructors

Constructor and Description
SaveHandler(java.io.File savesDirectory, java.lang.String directoryName, boolean playersDirectoryIn)

Method Summary

Modifier and Type	Method and Description
void	checkSessionLock() Checks the session lock to prevent save collisions
void	flush() Called to flush all changes to disk, waiting for them to complete.
java.lang.String[]	getAvailablePlayerDat() Returns an array of usernames for which player.dat exists for.
IChunkLoader	getChunkLoader(WorldProvider provider) initializes and returns the chunk loader for the specified world provider
java.io.File	getMapFileFromName(java.lang.String mapName) Gets the file location of the given map
IPlayerFileData	getPlayerNBTManager()
java.io.File	getWorldDirectory() Gets the File object corresponding to the base directory of this world.
java.lang.String	getWorldDirectoryName() Returns the name of the directory where world information is saved.
WorldInfo	loadWorldInfo() Loads and returns the world info
NBTTagCompound	readPlayerData(EntityPlayer player) Reads the player data from disk into the specified PlayerEntityMP.
void	saveWorldInfo(WorldInfo worldInformation) used to update level.dat from old format to MCRegion format
void	saveWorldInfoWithPlayer(WorldInfo worldInformation, NBTTagCompound tagCompound) Saves the given World Info with the given NBTTagCompound as the Player.
private void	setSessionLock() Creates a session lock file for this process
void	writePlayerData(EntityPlayer player) Writes the player data to disk from the specified PlayerEntityMP.

Methods inherited from class java.lang.Object

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

Field Detail

logger

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

worldDirectory

private final java.io.File worldDirectory

The directory in which to save world data.

playersDirectory

private final java.io.File playersDirectory

The directory in which to save player data.

mapDataDir

private final java.io.File mapDataDir

initializationTime

private final long initializationTime

The time in milliseconds when this field was initialized. Stored in the session lock file.

saveDirectoryName

private final java.lang.String saveDirectoryName

The directory name of the world

Constructor Detail

SaveHandler

public SaveHandler(java.io.File savesDirectory,
                   java.lang.String directoryName,
                   boolean playersDirectoryIn)

Method Detail

setSessionLock

private void setSessionLock()

Creates a session lock file for this process

getWorldDirectory

public java.io.File getWorldDirectory()

Gets the File object corresponding to the base directory of this world.

Specified by:

getWorldDirectory in interface ISaveHandler

checkSessionLock

public void checkSessionLock()
                      throws MinecraftException

Checks the session lock to prevent save collisions

Specified by:

checkSessionLock in interface ISaveHandler

Throws:

MinecraftException

getChunkLoader

public IChunkLoader getChunkLoader(WorldProvider provider)

initializes and returns the chunk loader for the specified world provider

Specified by:

getChunkLoader in interface ISaveHandler

loadWorldInfo

public WorldInfo loadWorldInfo()

Loads and returns the world info

Specified by:

loadWorldInfo in interface ISaveHandler

saveWorldInfoWithPlayer

public void saveWorldInfoWithPlayer(WorldInfo worldInformation,
                                    NBTTagCompound tagCompound)

Saves the given World Info with the given NBTTagCompound as the Player.

Specified by:

saveWorldInfoWithPlayer in interface ISaveHandler

saveWorldInfo

public void saveWorldInfo(WorldInfo worldInformation)

used to update level.dat from old format to MCRegion format

Specified by:

saveWorldInfo in interface ISaveHandler

writePlayerData

public void writePlayerData(EntityPlayer player)

Writes the player data to disk from the specified PlayerEntityMP.

Specified by:

writePlayerData in interface IPlayerFileData

readPlayerData

public NBTTagCompound readPlayerData(EntityPlayer player)

Reads the player data from disk into the specified PlayerEntityMP.

Specified by:

readPlayerData in interface IPlayerFileData

getPlayerNBTManager

public IPlayerFileData getPlayerNBTManager()

Specified by:

getPlayerNBTManager in interface ISaveHandler

getAvailablePlayerDat

public java.lang.String[] getAvailablePlayerDat()

Returns an array of usernames for which player.dat exists for.

Specified by:

getAvailablePlayerDat in interface IPlayerFileData

flush

public void flush()

Called to flush all changes to disk, waiting for them to complete.

Specified by:

flush in interface ISaveHandler

getMapFileFromName

public java.io.File getMapFileFromName(java.lang.String mapName)

Gets the file location of the given map

Specified by:

getMapFileFromName in interface ISaveHandler

getWorldDirectoryName

public java.lang.String getWorldDirectoryName()

Returns the name of the directory where world information is saved.

Specified by:

getWorldDirectoryName in interface ISaveHandler