package net.minecraft.world.chunk.storage;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.nbt.NBTTagList;
import net.minecraft.util.BlockPos;
import net.minecraft.world.biome.BiomeGenBase;
import net.minecraft.world.biome.WorldChunkManager;
import net.minecraft.world.chunk.NibbleArray;
public class ChunkLoader
{
private static final String __OBFID = "CL_00000379";
public static ChunkLoader.AnvilConverterData load(NBTTagCompound nbt)
{
int var1 = nbt.getInteger("xPos");
int var2 = nbt.getInteger("zPos");
ChunkLoader.AnvilConverterData var3 = new ChunkLoader.AnvilConverterData(var1, var2);
var3.blocks = nbt.getByteArray("Blocks");
var3.data = new NibbleArrayReader(nbt.getByteArray("Data"), 7);
var3.skyLight = new NibbleArrayReader(nbt.getByteArray("SkyLight"), 7);
var3.blockLight = new NibbleArrayReader(nbt.getByteArray("BlockLight"), 7);
var3.heightmap = nbt.getByteArray("HeightMap");
var3.terrainPopulated = nbt.getBoolean("TerrainPopulated");
var3.entities = nbt.getTagList("Entities", 10);
var3.tileEntities = nbt.getTagList("TileEntities", 10);
var3.tileTicks = nbt.getTagList("TileTicks", 10);
try
{
var3.lastUpdated = nbt.getLong("LastUpdate");
}
catch (ClassCastException var5)
{
var3.lastUpdated = (long)nbt.getInteger("LastUpdate");
}
return var3;
}
public static void convertToAnvilFormat(ChunkLoader.AnvilConverterData p_76690_0_, NBTTagCompound p_76690_1_, WorldChunkManager p_76690_2_)
{
p_76690_1_.setInteger("xPos", p_76690_0_.x);
p_76690_1_.setInteger("zPos", p_76690_0_.z);
p_76690_1_.setLong("LastUpdate", p_76690_0_.lastUpdated);
int[] var3 = new int[p_76690_0_.heightmap.length];
for (int var4 = 0; var4 < p_76690_0_.heightmap.length; ++var4)
{
var3[var4] = p_76690_0_.heightmap[var4];
}
p_76690_1_.setIntArray("HeightMap", var3);
p_76690_1_.setBoolean("TerrainPopulated", p_76690_0_.terrainPopulated);
NBTTagList var16 = new NBTTagList();
int var7;
for (int var5 = 0; var5 < 8; ++var5)
{
boolean var6 = true;
for (var7 = 0; var7 < 16 && var6; ++var7)
{
int var8 = 0;
while (var8 < 16 && var6)
{
int var9 = 0;
while (true)
{
if (var9 < 16)
{
int var10 = var7 << 11 | var9 << 7 | var8 + (var5 << 4);
byte var11 = p_76690_0_.blocks[var10];
if (var11 == 0)
{
++var9;
continue;
}
var6 = false;
}
++var8;
break;
}
}
}
if (!var6)
{
byte[] var19 = new byte[4096];
NibbleArray var20 = new NibbleArray();
NibbleArray var21 = new NibbleArray();
NibbleArray var22 = new NibbleArray();
for (int var23 = 0; var23 < 16; ++var23)
{
for (int var12 = 0; var12 < 16; ++var12)
{
for (int var13 = 0; var13 < 16; ++var13)
{
int var14 = var23 << 11 | var13 << 7 | var12 + (var5 << 4);
byte var15 = p_76690_0_.blocks[var14];
var19[var12 << 8 | var13 << 4 | var23] = (byte)(var15 & 255);
var20.set(var23, var12, var13, p_76690_0_.data.get(var23, var12 + (var5 << 4), var13));
var21.set(var23, var12, var13, p_76690_0_.skyLight.get(var23, var12 + (var5 << 4), var13));
var22.set(var23, var12, var13, p_76690_0_.blockLight.get(var23, var12 + (var5 << 4), var13));
}
}
}
NBTTagCompound var24 = new NBTTagCompound();
var24.setByte("Y", (byte)(var5 & 255));
var24.setByteArray("Blocks", var19);
var24.setByteArray("Data", var20.getData());
var24.setByteArray("SkyLight", var21.getData());
var24.setByteArray("BlockLight", var22.getData());
var16.appendTag(var24);
}
}
p_76690_1_.setTag("Sections", var16);
byte[] var17 = new byte[256];
for (int var18 = 0; var18 < 16; ++var18)
{
for (var7 = 0; var7 < 16; ++var7)
{
var17[var7 << 4 | var18] = (byte)(p_76690_2_.func_180300_a(new BlockPos(p_76690_0_.x << 4 | var18, 0, p_76690_0_.z << 4 | var7), BiomeGenBase.field_180279_ad).biomeID & 255);
}
}
p_76690_1_.setByteArray("Biomes", var17);
p_76690_1_.setTag("Entities", p_76690_0_.entities);
p_76690_1_.setTag("TileEntities", p_76690_0_.tileEntities);
if (p_76690_0_.tileTicks != null)
{
p_76690_1_.setTag("TileTicks", p_76690_0_.tileTicks);
}
}
public static class AnvilConverterData
{
public long lastUpdated;
public boolean terrainPopulated;
public byte[] heightmap;
public NibbleArrayReader blockLight;
public NibbleArrayReader skyLight;
public NibbleArrayReader data;
public byte[] blocks;
public NBTTagList entities;
public NBTTagList tileEntities;
public NBTTagList tileTicks;
public final int x;
public final int z;
private static final String __OBFID = "CL_00000380";
public AnvilConverterData(int p_i1999_1_, int p_i1999_2_)
{
this.x = p_i1999_1_;
this.z = p_i1999_2_;
}
}
}