package net.minecraft.world.storage;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import net.minecraft.nbt.CompressedStreamTools;
import net.minecraft.nbt.NBTBase;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.nbt.NBTTagShort;
import net.minecraft.world.WorldSavedData;
public class MapStorage
{
private ISaveHandler saveHandler;
/** Map of item data String id to loaded MapDataBases */
protected Map loadedDataMap = Maps.newHashMap();
/** List of loaded MapDataBases. */
private List loadedDataList = Lists.newArrayList();
/**
* Map of MapDataBase id String prefixes ('map' etc) to max known unique Short id (the 0 part etc) for that prefix
*/
private Map idCounts = Maps.newHashMap();
private static final String __OBFID = "CL_00000604";
public MapStorage(ISaveHandler p_i2162_1_)
{
this.saveHandler = p_i2162_1_;
this.loadIdCounts();
}
/**
* Loads an existing MapDataBase corresponding to the given String id from disk, instantiating the given Class, or
* returns null if none such file exists. args: Class to instantiate, String dataid
*/
public WorldSavedData loadData(Class p_75742_1_, String p_75742_2_)
{
WorldSavedData var3 = (WorldSavedData)this.loadedDataMap.get(p_75742_2_);
if (var3 != null)
{
return var3;
}
else
{
if (this.saveHandler != null)
{
try
{
File var4 = this.saveHandler.getMapFileFromName(p_75742_2_);
if (var4 != null && var4.exists())
{
try
{
var3 = (WorldSavedData)p_75742_1_.getConstructor(new Class[] {String.class}).newInstance(new Object[] {p_75742_2_});
}
catch (Exception var7)
{
throw new RuntimeException("Failed to instantiate " + p_75742_1_.toString(), var7);
}
FileInputStream var5 = new FileInputStream(var4);
NBTTagCompound var6 = CompressedStreamTools.readCompressed(var5);
var5.close();
var3.readFromNBT(var6.getCompoundTag("data"));
}
}
catch (Exception var8)
{
var8.printStackTrace();
}
}
if (var3 != null)
{
this.loadedDataMap.put(p_75742_2_, var3);
this.loadedDataList.add(var3);
}
return var3;
}
}
/**
* Assigns the given String id to the given MapDataBase, removing any existing ones of the same id.
*/
public void setData(String p_75745_1_, WorldSavedData p_75745_2_)
{
if (this.loadedDataMap.containsKey(p_75745_1_))
{
this.loadedDataList.remove(this.loadedDataMap.remove(p_75745_1_));
}
this.loadedDataMap.put(p_75745_1_, p_75745_2_);
this.loadedDataList.add(p_75745_2_);
}
/**
* Saves all dirty loaded MapDataBases to disk.
*/
public void saveAllData()
{
for (int var1 = 0; var1 < this.loadedDataList.size(); ++var1)
{
WorldSavedData var2 = (WorldSavedData)this.loadedDataList.get(var1);
if (var2.isDirty())
{
this.saveData(var2);
var2.setDirty(false);
}
}
}
/**
* Saves the given MapDataBase to disk.
*/
private void saveData(WorldSavedData p_75747_1_)
{
if (this.saveHandler != null)
{
try
{
File var2 = this.saveHandler.getMapFileFromName(p_75747_1_.mapName);
if (var2 != null)
{
NBTTagCompound var3 = new NBTTagCompound();
p_75747_1_.writeToNBT(var3);
NBTTagCompound var4 = new NBTTagCompound();
var4.setTag("data", var3);
FileOutputStream var5 = new FileOutputStream(var2);
CompressedStreamTools.writeCompressed(var4, var5);
var5.close();
}
}
catch (Exception var6)
{
var6.printStackTrace();
}
}
}
/**
* Loads the idCounts Map from the 'idcounts' file.
*/
private void loadIdCounts()
{
try
{
this.idCounts.clear();
if (this.saveHandler == null)
{
return;
}
File var1 = this.saveHandler.getMapFileFromName("idcounts");
if (var1 != null && var1.exists())
{
DataInputStream var2 = new DataInputStream(new FileInputStream(var1));
NBTTagCompound var3 = CompressedStreamTools.read(var2);
var2.close();
Iterator var4 = var3.getKeySet().iterator();
while (var4.hasNext())
{
String var5 = (String)var4.next();
NBTBase var6 = var3.getTag(var5);
if (var6 instanceof NBTTagShort)
{
NBTTagShort var7 = (NBTTagShort)var6;
short var9 = var7.getShort();
this.idCounts.put(var5, Short.valueOf(var9));
}
}
}
}
catch (Exception var10)
{
var10.printStackTrace();
}
}
/**
* Returns an unique new data id for the given prefix and saves the idCounts map to the 'idcounts' file.
*/
public int getUniqueDataId(String p_75743_1_)
{
Short var2 = (Short)this.idCounts.get(p_75743_1_);
if (var2 == null)
{
var2 = Short.valueOf((short)0);
}
else
{
var2 = Short.valueOf((short)(var2.shortValue() + 1));
}
this.idCounts.put(p_75743_1_, var2);
if (this.saveHandler == null)
{
return var2.shortValue();
}
else
{
try
{
File var3 = this.saveHandler.getMapFileFromName("idcounts");
if (var3 != null)
{
NBTTagCompound var4 = new NBTTagCompound();
Iterator var5 = this.idCounts.keySet().iterator();
while (var5.hasNext())
{
String var6 = (String)var5.next();
short var7 = ((Short)this.idCounts.get(var6)).shortValue();
var4.setShort(var6, var7);
}
DataOutputStream var9 = new DataOutputStream(new FileOutputStream(var3));
CompressedStreamTools.write(var4, var9);
var9.close();
}
}
catch (Exception var8)
{
var8.printStackTrace();
}
return var2.shortValue();
}
}
}