/moCreatures/client/core/sources/net/minecraft/src/SaveHandler.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:

//            ISaveHandler, MinecraftException, WorldProviderHell, ChunkLoader, 

//            CompressedStreamTools, NBTTagCompound, WorldInfo, WorldProvider, 

//            IChunkLoader



public class SaveHandler

    implements ISaveHandler

{



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

    {

        saveDirectory = new File(file, s);

        saveDirectory.mkdirs();

        playersDirectory = new File(saveDirectory, "players");

        field_28114_d = new File(saveDirectory, "data");

        field_28114_d.mkdirs();

        if(flag)

        {

            playersDirectory.mkdirs();

        }

        func_22154_d();

    }



    private void func_22154_d()

    {

        try

        {

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

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

            try

            {

                dataoutputstream.writeLong(now);

            }

            finally

            {

                dataoutputstream.close();

            }

        }

        catch(IOException ioexception)

        {

            ioexception.printStackTrace();

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

        }

    }



    protected File getSaveDirectory()

    {

        return saveDirectory;

    }



    public void func_22150_b()

    {

        try

        {

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

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

            try

            {

                if(datainputstream.readLong() != now)

                {

                    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 getChunkLoader(WorldProvider worldprovider)

    {

        if(worldprovider instanceof WorldProviderHell)

        {

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

            file.mkdirs();

            return new ChunkLoader(file, true);

        } else

        {

            return new ChunkLoader(saveDirectory, true);

        }

    }



    public WorldInfo loadWorldInfo()

    {

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

        if(file.exists())

        {

            try

            {

                NBTTagCompound nbttagcompound = CompressedStreamTools.func_1138_a(new FileInputStream(file));

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

                return new WorldInfo(nbttagcompound2);

            }

            catch(Exception exception)

            {

                exception.printStackTrace();

            }

        }

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

        if(file.exists())

        {

            try

            {

                NBTTagCompound nbttagcompound1 = CompressedStreamTools.func_1138_a(new FileInputStream(file));

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

                return new WorldInfo(nbttagcompound3);

            }

            catch(Exception exception1)

            {

                exception1.printStackTrace();

            }

        }

        return null;

    }



    public void saveWorldInfoAndPlayer(WorldInfo worldinfo, List list)

    {

        NBTTagCompound nbttagcompound = worldinfo.getNBTTagCompoundWithPlayer(list);

        NBTTagCompound nbttagcompound1 = new NBTTagCompound();

        nbttagcompound1.setTag("Data", nbttagcompound);

        try

        {

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

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

            File file2 = new File(saveDirectory, "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 saveWorldInfo(WorldInfo worldinfo)

    {

        NBTTagCompound nbttagcompound = worldinfo.getNBTTagCompound();

        NBTTagCompound nbttagcompound1 = new NBTTagCompound();

        nbttagcompound1.setTag("Data", nbttagcompound);

        try

        {

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

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

            File file2 = new File(saveDirectory, "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 File func_28113_a(String s)

    {

        return new File(field_28114_d, (new StringBuilder()).append(s).append(".dat").toString());

    }



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

    private final File saveDirectory;

    private final File playersDirectory;

    private final File field_28114_d;

    private final long now = System.currentTimeMillis();



}