package net.minecraft.world.chunk.storage;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FilenameFilter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import net.minecraft.client.AnvilConverterException;
import net.minecraft.nbt.CompressedStreamTools;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.util.IProgressUpdate;
import net.minecraft.util.MathHelper;
import net.minecraft.world.WorldType;
import net.minecraft.world.biome.BiomeGenBase;
import net.minecraft.world.biome.WorldChunkManager;
import net.minecraft.world.biome.WorldChunkManagerHell;
import net.minecraft.world.storage.ISaveHandler;
import net.minecraft.world.storage.SaveFormatComparator;
import net.minecraft.world.storage.SaveFormatOld;
import net.minecraft.world.storage.WorldInfo;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
public class AnvilSaveConverter extends SaveFormatOld
{
private static final Logger logger = LogManager.getLogger();
private static final String __OBFID = "CL_00000582";
public AnvilSaveConverter(File p_i2144_1_)
{
super(p_i2144_1_);
}
@SideOnly(Side.CLIENT)
public String func_154333_a()
{
return "Anvil";
}
@SideOnly(Side.CLIENT)
public List getSaveList() throws AnvilConverterException
{
if (this.savesDirectory != null && this.savesDirectory.exists() && this.savesDirectory.isDirectory())
{
ArrayList arraylist = new ArrayList();
File[] afile = this.savesDirectory.listFiles();
File[] afile1 = afile;
int i = afile.length;
for (int j = 0; j < i; ++j)
{
File file1 = afile1[j];
if (file1.isDirectory())
{
String s = file1.getName();
WorldInfo worldinfo = this.getWorldInfo(s);
if (worldinfo != null && (worldinfo.getSaveVersion() == 19132 || worldinfo.getSaveVersion() == 19133))
{
boolean flag = worldinfo.getSaveVersion() != this.getSaveVersion();
String s1 = worldinfo.getWorldName();
if (s1 == null || MathHelper.stringNullOrLengthZero(s1))
{
s1 = s;
}
long k = 0L;
arraylist.add(new SaveFormatComparator(s, s1, worldinfo.getLastTimePlayed(), k, worldinfo.getGameType(), flag, worldinfo.isHardcoreModeEnabled(), worldinfo.areCommandsAllowed()));
}
}
}
return arraylist;
}
else
{
throw new AnvilConverterException("Unable to read or access folder where game worlds are saved!");
}
}
protected int getSaveVersion()
{
return 19133;
}
public void flushCache()
{
RegionFileCache.clearRegionFileReferences();
}
/**
* Returns back a loader for the specified save directory
*/
public ISaveHandler getSaveLoader(String p_75804_1_, boolean p_75804_2_)
{
return new AnvilSaveHandler(this.savesDirectory, p_75804_1_, p_75804_2_);
}
@SideOnly(Side.CLIENT)
public boolean func_154334_a(String p_154334_1_)
{
WorldInfo worldinfo = this.getWorldInfo(p_154334_1_);
return worldinfo != null && worldinfo.getSaveVersion() == 19132;
}
/**
* gets if the map is old chunk saving (true) or McRegion (false)
*/
public boolean isOldMapFormat(String p_75801_1_)
{
WorldInfo worldinfo = this.getWorldInfo(p_75801_1_);
return worldinfo != null && worldinfo.getSaveVersion() != this.getSaveVersion();
}
/**
* converts the map to mcRegion
*/
public boolean convertMapFormat(String p_75805_1_, IProgressUpdate p_75805_2_)
{
p_75805_2_.setLoadingProgress(0);
ArrayList arraylist = new ArrayList();
ArrayList arraylist1 = new ArrayList();
ArrayList arraylist2 = new ArrayList();
File file1 = new File(this.savesDirectory, p_75805_1_);
File file2 = new File(file1, "DIM-1");
File file3 = new File(file1, "DIM1");
logger.info("Scanning folders...");
this.addRegionFilesToCollection(file1, arraylist);
if (file2.exists())
{
this.addRegionFilesToCollection(file2, arraylist1);
}
if (file3.exists())
{
this.addRegionFilesToCollection(file3, arraylist2);
}
int i = arraylist.size() + arraylist1.size() + arraylist2.size();
logger.info("Total conversion count is " + i);
WorldInfo worldinfo = this.getWorldInfo(p_75805_1_);
Object object = null;
if (worldinfo.getTerrainType() == WorldType.FLAT)
{
object = new WorldChunkManagerHell(BiomeGenBase.plains, 0.5F);
}
else
{
object = new WorldChunkManager(worldinfo.getSeed(), worldinfo.getTerrainType());
}
this.convertFile(new File(file1, "region"), arraylist, (WorldChunkManager)object, 0, i, p_75805_2_);
this.convertFile(new File(file2, "region"), arraylist1, new WorldChunkManagerHell(BiomeGenBase.hell, 0.0F), arraylist.size(), i, p_75805_2_);
this.convertFile(new File(file3, "region"), arraylist2, new WorldChunkManagerHell(BiomeGenBase.sky, 0.0F), arraylist.size() + arraylist1.size(), i, p_75805_2_);
worldinfo.setSaveVersion(19133);
if (worldinfo.getTerrainType() == WorldType.DEFAULT_1_1)
{
worldinfo.setTerrainType(WorldType.DEFAULT);
}
this.createFile(p_75805_1_);
ISaveHandler isavehandler = this.getSaveLoader(p_75805_1_, false);
isavehandler.saveWorldInfo(worldinfo);
return true;
}
/**
* par: filename for the level.dat_mcr backup
*/
private void createFile(String p_75809_1_)
{
File file1 = new File(this.savesDirectory, p_75809_1_);
if (!file1.exists())
{
logger.warn("Unable to create level.dat_mcr backup");
}
else
{
File file2 = new File(file1, "level.dat");
if (!file2.exists())
{
logger.warn("Unable to create level.dat_mcr backup");
}
else
{
File file3 = new File(file1, "level.dat_mcr");
if (!file2.renameTo(file3))
{
logger.warn("Unable to create level.dat_mcr backup");
}
}
}
}
private void convertFile(File p_75813_1_, Iterable p_75813_2_, WorldChunkManager p_75813_3_, int p_75813_4_, int p_75813_5_, IProgressUpdate p_75813_6_)
{
Iterator iterator = p_75813_2_.iterator();
while (iterator.hasNext())
{
File file2 = (File)iterator.next();
this.convertChunks(p_75813_1_, file2, p_75813_3_, p_75813_4_, p_75813_5_, p_75813_6_);
++p_75813_4_;
int k = (int)Math.round(100.0D * (double)p_75813_4_ / (double)p_75813_5_);
p_75813_6_.setLoadingProgress(k);
}
}
/**
* copies a 32x32 chunk set from par2File to par1File, via AnvilConverterData
*/
private void convertChunks(File p_75811_1_, File p_75811_2_, WorldChunkManager p_75811_3_, int p_75811_4_, int p_75811_5_, IProgressUpdate p_75811_6_)
{
try
{
String s = p_75811_2_.getName();
RegionFile regionfile = new RegionFile(p_75811_2_);
RegionFile regionfile1 = new RegionFile(new File(p_75811_1_, s.substring(0, s.length() - ".mcr".length()) + ".mca"));
for (int k = 0; k < 32; ++k)
{
int l;
for (l = 0; l < 32; ++l)
{
if (regionfile.isChunkSaved(k, l) && !regionfile1.isChunkSaved(k, l))
{
DataInputStream datainputstream = regionfile.getChunkDataInputStream(k, l);
if (datainputstream == null)
{
logger.warn("Failed to fetch input stream");
}
else
{
NBTTagCompound nbttagcompound = CompressedStreamTools.read(datainputstream);
datainputstream.close();
NBTTagCompound nbttagcompound1 = nbttagcompound.getCompoundTag("Level");
ChunkLoader.AnvilConverterData anvilconverterdata = ChunkLoader.load(nbttagcompound1);
NBTTagCompound nbttagcompound2 = new NBTTagCompound();
NBTTagCompound nbttagcompound3 = new NBTTagCompound();
nbttagcompound2.setTag("Level", nbttagcompound3);
ChunkLoader.convertToAnvilFormat(anvilconverterdata, nbttagcompound3, p_75811_3_);
DataOutputStream dataoutputstream = regionfile1.getChunkDataOutputStream(k, l);
CompressedStreamTools.write(nbttagcompound2, dataoutputstream);
dataoutputstream.close();
}
}
}
l = (int)Math.round(100.0D * (double)(p_75811_4_ * 1024) / (double)(p_75811_5_ * 1024));
int i1 = (int)Math.round(100.0D * (double)((k + 1) * 32 + p_75811_4_ * 1024) / (double)(p_75811_5_ * 1024));
if (i1 > l)
{
p_75811_6_.setLoadingProgress(i1);
}
}
regionfile.close();
regionfile1.close();
}
catch (IOException ioexception)
{
ioexception.printStackTrace();
}
}
/**
* filters the files in the par1 directory, and adds them to the par2 collections
*/
private void addRegionFilesToCollection(File p_75810_1_, Collection p_75810_2_)
{
File file2 = new File(p_75810_1_, "region");
File[] afile = file2.listFiles(new FilenameFilter()
{
private static final String __OBFID = "CL_00000583";
public boolean accept(File p_accept_1_, String p_accept_2_)
{
return p_accept_2_.endsWith(".mcr");
}
});
if (afile != null)
{
Collections.addAll(p_75810_2_, afile);
}
}
}