package net.minecraft.world.gen;
import java.util.List;
import java.util.Random;
import net.minecraft.block.BlockFalling;
import net.minecraft.block.material.Material;
import net.minecraft.block.state.IBlockState;
import net.minecraft.entity.EnumCreatureType;
import net.minecraft.init.Blocks;
import net.minecraft.util.BlockPos;
import net.minecraft.util.IProgressUpdate;
import net.minecraft.util.MathHelper;
import net.minecraft.world.World;
import net.minecraft.world.biome.BiomeGenBase;
import net.minecraft.world.chunk.Chunk;
import net.minecraft.world.chunk.ChunkPrimer;
import net.minecraft.world.chunk.IChunkProvider;
public class ChunkProviderEnd implements IChunkProvider
{
private Random endRNG;
private NoiseGeneratorOctaves noiseGen1;
private NoiseGeneratorOctaves noiseGen2;
private NoiseGeneratorOctaves noiseGen3;
public NoiseGeneratorOctaves noiseGen4;
public NoiseGeneratorOctaves noiseGen5;
private World endWorld;
private double[] densities;
/** The biomes that are used to generate the chunk */
private BiomeGenBase[] biomesForGeneration;
double[] noiseData1;
double[] noiseData2;
double[] noiseData3;
double[] noiseData4;
double[] noiseData5;
private static final String __OBFID = "CL_00000397";
public ChunkProviderEnd(World worldIn, long p_i2007_2_)
{
this.endWorld = worldIn;
this.endRNG = new Random(p_i2007_2_);
this.noiseGen1 = new NoiseGeneratorOctaves(this.endRNG, 16);
this.noiseGen2 = new NoiseGeneratorOctaves(this.endRNG, 16);
this.noiseGen3 = new NoiseGeneratorOctaves(this.endRNG, 8);
this.noiseGen4 = new NoiseGeneratorOctaves(this.endRNG, 10);
this.noiseGen5 = new NoiseGeneratorOctaves(this.endRNG, 16);
}
public void func_180520_a(int p_180520_1_, int p_180520_2_, ChunkPrimer p_180520_3_)
{
byte var4 = 2;
int var5 = var4 + 1;
byte var6 = 33;
int var7 = var4 + 1;
this.densities = this.initializeNoiseField(this.densities, p_180520_1_ * var4, 0, p_180520_2_ * var4, var5, var6, var7);
for (int var8 = 0; var8 < var4; ++var8)
{
for (int var9 = 0; var9 < var4; ++var9)
{
for (int var10 = 0; var10 < 32; ++var10)
{
double var11 = 0.25D;
double var13 = this.densities[((var8 + 0) * var7 + var9 + 0) * var6 + var10 + 0];
double var15 = this.densities[((var8 + 0) * var7 + var9 + 1) * var6 + var10 + 0];
double var17 = this.densities[((var8 + 1) * var7 + var9 + 0) * var6 + var10 + 0];
double var19 = this.densities[((var8 + 1) * var7 + var9 + 1) * var6 + var10 + 0];
double var21 = (this.densities[((var8 + 0) * var7 + var9 + 0) * var6 + var10 + 1] - var13) * var11;
double var23 = (this.densities[((var8 + 0) * var7 + var9 + 1) * var6 + var10 + 1] - var15) * var11;
double var25 = (this.densities[((var8 + 1) * var7 + var9 + 0) * var6 + var10 + 1] - var17) * var11;
double var27 = (this.densities[((var8 + 1) * var7 + var9 + 1) * var6 + var10 + 1] - var19) * var11;
for (int var29 = 0; var29 < 4; ++var29)
{
double var30 = 0.125D;
double var32 = var13;
double var34 = var15;
double var36 = (var17 - var13) * var30;
double var38 = (var19 - var15) * var30;
for (int var40 = 0; var40 < 8; ++var40)
{
double var41 = 0.125D;
double var43 = var32;
double var45 = (var34 - var32) * var41;
for (int var47 = 0; var47 < 8; ++var47)
{
IBlockState var48 = null;
if (var43 > 0.0D)
{
var48 = Blocks.end_stone.getDefaultState();
}
int var49 = var40 + var8 * 8;
int var50 = var29 + var10 * 4;
int var51 = var47 + var9 * 8;
p_180520_3_.setBlockState(var49, var50, var51, var48);
var43 += var45;
}
var32 += var36;
var34 += var38;
}
var13 += var21;
var15 += var23;
var17 += var25;
var19 += var27;
}
}
}
}
}
public void func_180519_a(ChunkPrimer p_180519_1_)
{
for (int var2 = 0; var2 < 16; ++var2)
{
for (int var3 = 0; var3 < 16; ++var3)
{
byte var4 = 1;
int var5 = -1;
IBlockState var6 = Blocks.end_stone.getDefaultState();
IBlockState var7 = Blocks.end_stone.getDefaultState();
for (int var8 = 127; var8 >= 0; --var8)
{
IBlockState var9 = p_180519_1_.getBlockState(var2, var8, var3);
if (var9.getBlock().getMaterial() == Material.air)
{
var5 = -1;
}
else if (var9.getBlock() == Blocks.stone)
{
if (var5 == -1)
{
if (var4 <= 0)
{
var6 = Blocks.air.getDefaultState();
var7 = Blocks.end_stone.getDefaultState();
}
var5 = var4;
if (var8 >= 0)
{
p_180519_1_.setBlockState(var2, var8, var3, var6);
}
else
{
p_180519_1_.setBlockState(var2, var8, var3, var7);
}
}
else if (var5 > 0)
{
--var5;
p_180519_1_.setBlockState(var2, var8, var3, var7);
}
}
}
}
}
}
/**
* Will return back a chunk, if it doesn't exist and its not a MP client it will generates all the blocks for the
* specified chunk from the map seed and chunk seed
*/
public Chunk provideChunk(int p_73154_1_, int p_73154_2_)
{
this.endRNG.setSeed((long)p_73154_1_ * 341873128712L + (long)p_73154_2_ * 132897987541L);
ChunkPrimer var3 = new ChunkPrimer();
this.biomesForGeneration = this.endWorld.getWorldChunkManager().loadBlockGeneratorData(this.biomesForGeneration, p_73154_1_ * 16, p_73154_2_ * 16, 16, 16);
this.func_180520_a(p_73154_1_, p_73154_2_, var3);
this.func_180519_a(var3);
Chunk var4 = new Chunk(this.endWorld, var3, p_73154_1_, p_73154_2_);
byte[] var5 = var4.getBiomeArray();
for (int var6 = 0; var6 < var5.length; ++var6)
{
var5[var6] = (byte)this.biomesForGeneration[var6].biomeID;
}
var4.generateSkylightMap();
return var4;
}
/**
* generates a subset of the level's terrain data. Takes 7 arguments: the [empty] noise array, the position, and the
* size.
*/
private double[] initializeNoiseField(double[] p_73187_1_, int p_73187_2_, int p_73187_3_, int p_73187_4_, int p_73187_5_, int p_73187_6_, int p_73187_7_)
{
if (p_73187_1_ == null)
{
p_73187_1_ = new double[p_73187_5_ * p_73187_6_ * p_73187_7_];
}
double var8 = 684.412D;
double var10 = 684.412D;
this.noiseData4 = this.noiseGen4.generateNoiseOctaves(this.noiseData4, p_73187_2_, p_73187_4_, p_73187_5_, p_73187_7_, 1.121D, 1.121D, 0.5D);
this.noiseData5 = this.noiseGen5.generateNoiseOctaves(this.noiseData5, p_73187_2_, p_73187_4_, p_73187_5_, p_73187_7_, 200.0D, 200.0D, 0.5D);
var8 *= 2.0D;
this.noiseData1 = this.noiseGen3.generateNoiseOctaves(this.noiseData1, p_73187_2_, p_73187_3_, p_73187_4_, p_73187_5_, p_73187_6_, p_73187_7_, var8 / 80.0D, var10 / 160.0D, var8 / 80.0D);
this.noiseData2 = this.noiseGen1.generateNoiseOctaves(this.noiseData2, p_73187_2_, p_73187_3_, p_73187_4_, p_73187_5_, p_73187_6_, p_73187_7_, var8, var10, var8);
this.noiseData3 = this.noiseGen2.generateNoiseOctaves(this.noiseData3, p_73187_2_, p_73187_3_, p_73187_4_, p_73187_5_, p_73187_6_, p_73187_7_, var8, var10, var8);
int var12 = 0;
for (int var13 = 0; var13 < p_73187_5_; ++var13)
{
for (int var14 = 0; var14 < p_73187_7_; ++var14)
{
float var15 = (float)(var13 + p_73187_2_) / 1.0F;
float var16 = (float)(var14 + p_73187_4_) / 1.0F;
float var17 = 100.0F - MathHelper.sqrt_float(var15 * var15 + var16 * var16) * 8.0F;
if (var17 > 80.0F)
{
var17 = 80.0F;
}
if (var17 < -100.0F)
{
var17 = -100.0F;
}
for (int var18 = 0; var18 < p_73187_6_; ++var18)
{
double var19 = 0.0D;
double var21 = this.noiseData2[var12] / 512.0D;
double var23 = this.noiseData3[var12] / 512.0D;
double var25 = (this.noiseData1[var12] / 10.0D + 1.0D) / 2.0D;
if (var25 < 0.0D)
{
var19 = var21;
}
else if (var25 > 1.0D)
{
var19 = var23;
}
else
{
var19 = var21 + (var23 - var21) * var25;
}
var19 -= 8.0D;
var19 += (double)var17;
byte var27 = 2;
double var28;
if (var18 > p_73187_6_ / 2 - var27)
{
var28 = (double)((float)(var18 - (p_73187_6_ / 2 - var27)) / 64.0F);
var28 = MathHelper.clamp_double(var28, 0.0D, 1.0D);
var19 = var19 * (1.0D - var28) + -3000.0D * var28;
}
var27 = 8;
if (var18 < var27)
{
var28 = (double)((float)(var27 - var18) / ((float)var27 - 1.0F));
var19 = var19 * (1.0D - var28) + -30.0D * var28;
}
p_73187_1_[var12] = var19;
++var12;
}
}
}
return p_73187_1_;
}
/**
* Checks to see if a chunk exists at x, y
*/
public boolean chunkExists(int p_73149_1_, int p_73149_2_)
{
return true;
}
/**
* Populates chunk with ores etc etc
*/
public void populate(IChunkProvider p_73153_1_, int p_73153_2_, int p_73153_3_)
{
BlockFalling.fallInstantly = true;
BlockPos var4 = new BlockPos(p_73153_2_ * 16, 0, p_73153_3_ * 16);
this.endWorld.getBiomeGenForCoords(var4.add(16, 0, 16)).func_180624_a(this.endWorld, this.endWorld.rand, var4);
BlockFalling.fallInstantly = false;
}
public boolean func_177460_a(IChunkProvider p_177460_1_, Chunk p_177460_2_, int p_177460_3_, int p_177460_4_)
{
return false;
}
/**
* Two modes of operation: if passed true, save all Chunks in one go. If passed false, save up to two chunks.
* Return true if all chunks have been saved.
*/
public boolean saveChunks(boolean p_73151_1_, IProgressUpdate p_73151_2_)
{
return true;
}
/**
* Save extra data not associated with any Chunk. Not saved during autosave, only during world unload. Currently
* unimplemented.
*/
public void saveExtraData() {}
/**
* Unloads chunks that are marked to be unloaded. This is not guaranteed to unload every such chunk.
*/
public boolean unloadQueuedChunks()
{
return false;
}
/**
* Returns if the IChunkProvider supports saving.
*/
public boolean canSave()
{
return true;
}
/**
* Converts the instance data to a readable string.
*/
public String makeString()
{
return "RandomLevelSource";
}
public List func_177458_a(EnumCreatureType p_177458_1_, BlockPos p_177458_2_)
{
return this.endWorld.getBiomeGenForCoords(p_177458_2_).getSpawnableList(p_177458_1_);
}
public BlockPos func_180513_a(World worldIn, String p_180513_2_, BlockPos p_180513_3_)
{
return null;
}
public int getLoadedChunkCount()
{
return 0;
}
public void func_180514_a(Chunk p_180514_1_, int p_180514_2_, int p_180514_3_) {}
public Chunk func_177459_a(BlockPos p_177459_1_)
{
return this.provideChunk(p_177459_1_.getX() >> 4, p_177459_1_.getZ() >> 4);
}
}