/moCreatures/server/core/sources/net/minecraft/src/PlayerNBTManager.java

// Decompiled by Jad v1.5.8g. Copyright 2001 Pavel Kouznetsov.

// Jad home page: http://www.kpdus.com/jad.html

// Decompiler options: packimports(3) braces deadcode 



package net.minecraft.src;



import java.io.*;

import java.util.List;

import java.util.logging.Logger;



// Referenced classes of package net.minecraft.src:

//            CompressedStreamTools, WorldInfo, EntityPlayer, IPlayerFileData, 

//            NBTTagCompound, ChunkLoader, MinecraftException, WorldProviderHell, 

//            ISaveHandler, WorldProvider, IChunkLoader



public class PlayerNBTManager

    implements IPlayerFileData, ISaveHandler

{



    public PlayerNBTManager(File file, String s, boolean flag)

    {

        worldDir = new File(file, s);

        worldDir.mkdirs();

        worldFile = new File(worldDir, "players");

        if(flag)

        {

            worldFile.mkdirs();

        }

        func_22098_f();

    }



    private void func_22098_f()

    {

        try

        {

            File file = new File(worldDir, "session.lock");

            DataOutputStream dataoutputstream = new DataOutputStream(new FileOutputStream(file));

            try

            {

                dataoutputstream.writeLong(field_22100_d);

            }

            finally

            {

                dataoutputstream.close();

            }

        }

        catch(IOException ioexception)

        {

            ioexception.printStackTrace();

            throw new RuntimeException("Failed to check session lock, aborting");

        }

    }



    protected File getWorldDir()

    {

        return worldDir;

    }



    public void func_22091_b()

    {

        try

        {

            File file = new File(worldDir, "session.lock");

            DataInputStream datainputstream = new DataInputStream(new FileInputStream(file));

            try

            {

                if(datainputstream.readLong() != field_22100_d)

                {

                    throw new MinecraftException("The save is being accessed from another location, aborting");

                }

            }

            finally

            {

                datainputstream.close();

            }

        }

        catch(IOException ioexception)

        {

            throw new MinecraftException("Failed to check session lock, aborting");

        }

    }



    public IChunkLoader func_22092_a(WorldProvider worldprovider)

    {

        if(worldprovider instanceof WorldProviderHell)

        {

            File file = new File(worldDir, "DIM-1");

            file.mkdirs();

            return new ChunkLoader(file, true);

        } else

        {

            return new ChunkLoader(worldDir, true);

        }

    }



    public WorldInfo func_22096_c()

    {

        File file = new File(worldDir, "level.dat");

        if(file.exists())

        {

            try

            {

                NBTTagCompound nbttagcompound = CompressedStreamTools.func_770_a(new FileInputStream(file));

                NBTTagCompound nbttagcompound2 = nbttagcompound.getCompoundTag("Data");

                return new WorldInfo(nbttagcompound2);

            }

            catch(Exception exception)

            {

                exception.printStackTrace();

            }

        }

        file = new File(worldDir, "level.dat_old");

        if(file.exists())

        {

            try

            {

                NBTTagCompound nbttagcompound1 = CompressedStreamTools.func_770_a(new FileInputStream(file));

                NBTTagCompound nbttagcompound3 = nbttagcompound1.getCompoundTag("Data");

                return new WorldInfo(nbttagcompound3);

            }

            catch(Exception exception1)

            {

                exception1.printStackTrace();

            }

        }

        return null;

    }



    public void func_22095_a(WorldInfo worldinfo, List list)

    {

        NBTTagCompound nbttagcompound = worldinfo.func_22183_a(list);

        NBTTagCompound nbttagcompound1 = new NBTTagCompound();

        nbttagcompound1.setTag("Data", nbttagcompound);

        try

        {

            File file = new File(worldDir, "level.dat_new");

            File file1 = new File(worldDir, "level.dat_old");

            File file2 = new File(worldDir, "level.dat");

            CompressedStreamTools.writeGzippedCompoundToOutputStream(nbttagcompound1, new FileOutputStream(file));

            if(file1.exists())

            {

                file1.delete();

            }

            file2.renameTo(file1);

            if(file2.exists())

            {

                file2.delete();

            }

            file.renameTo(file2);

            if(file.exists())

            {

                file.delete();

            }

        }

        catch(Exception exception)

        {

            exception.printStackTrace();

        }

    }



    public void func_22094_a(WorldInfo worldinfo)

    {

        NBTTagCompound nbttagcompound = worldinfo.func_22185_a();

        NBTTagCompound nbttagcompound1 = new NBTTagCompound();

        nbttagcompound1.setTag("Data", nbttagcompound);

        try

        {

            File file = new File(worldDir, "level.dat_new");

            File file1 = new File(worldDir, "level.dat_old");

            File file2 = new File(worldDir, "level.dat");

            CompressedStreamTools.writeGzippedCompoundToOutputStream(nbttagcompound1, new FileOutputStream(file));

            if(file1.exists())

            {

                file1.delete();

            }

            file2.renameTo(file1);

            if(file2.exists())

            {

                file2.delete();

            }

            file.renameTo(file2);

            if(file.exists())

            {

                file.delete();

            }

        }

        catch(Exception exception)

        {

            exception.printStackTrace();

        }

    }



    public void writePlayerData(EntityPlayer entityplayer)

    {

        try

        {

            NBTTagCompound nbttagcompound = new NBTTagCompound();

            entityplayer.writeToNBT(nbttagcompound);

            File file = new File(worldFile, "_tmp_.dat");

            File file1 = new File(worldFile, (new StringBuilder()).append(entityplayer.username).append(".dat").toString());

            CompressedStreamTools.writeGzippedCompoundToOutputStream(nbttagcompound, new FileOutputStream(file));

            if(file1.exists())

            {

                file1.delete();

            }

            file.renameTo(file1);

        }

        catch(Exception exception)

        {

            logger.warning((new StringBuilder()).append("Failed to save player data for ").append(entityplayer.username).toString());

        }

    }



    public void readPlayerData(EntityPlayer entityplayer)

    {

        NBTTagCompound nbttagcompound = getPlayerData(entityplayer.username);

        if(nbttagcompound != null)

        {

            entityplayer.readFromNBT(nbttagcompound);

        }

    }



    public NBTTagCompound getPlayerData(String s)

    {

        try

        {

            File file = new File(worldFile, (new StringBuilder()).append(s).append(".dat").toString());

            if(file.exists())

            {

                return CompressedStreamTools.func_770_a(new FileInputStream(file));

            }

        }

        catch(Exception exception)

        {

            logger.warning((new StringBuilder()).append("Failed to load player data for ").append(s).toString());

        }

        return null;

    }



    public IPlayerFileData func_22090_d()

    {

        return this;

    }



    public void func_22093_e()

    {

    }



    private static final Logger logger = Logger.getLogger("Minecraft");

    private final File worldDir;

    private final File worldFile;

    private final long field_22100_d = System.currentTimeMillis();



}