package net.minecraft.world.gen;
import java.util.List;
import java.util.Random;
import net.minecraft.block.Block;
import net.minecraft.block.BlockSand;
import net.minecraft.entity.EnumCreatureType;
import net.minecraft.util.IProgressUpdate;
import net.minecraft.world.ChunkPosition;
import net.minecraft.world.World;
import net.minecraft.world.biome.BiomeGenBase;
import net.minecraft.world.chunk.Chunk;
import net.minecraft.world.chunk.IChunkProvider;
import net.minecraft.world.gen.feature.WorldGenFire;
import net.minecraft.world.gen.feature.WorldGenFlowers;
import net.minecraft.world.gen.feature.WorldGenGlowStone1;
import net.minecraft.world.gen.feature.WorldGenGlowStone2;
import net.minecraft.world.gen.feature.WorldGenHellLava;
import net.minecraft.world.gen.structure.MapGenNetherBridge;
import static net.minecraftforge.event.terraingen.DecorateBiomeEvent.Decorate.EventType.*;
import static net.minecraftforge.event.terraingen.InitMapGenEvent.EventType.*;
import static net.minecraftforge.event.terraingen.PopulateChunkEvent.Populate.EventType.*;
import net.minecraftforge.common.*;
import net.minecraftforge.event.Event.*;
import net.minecraftforge.event.terraingen.*;
public class ChunkProviderHell implements IChunkProvider
{
private Random hellRNG;
/** A NoiseGeneratorOctaves used in generating nether terrain */
private NoiseGeneratorOctaves netherNoiseGen1;
private NoiseGeneratorOctaves netherNoiseGen2;
private NoiseGeneratorOctaves netherNoiseGen3;
/** Determines whether slowsand or gravel can be generated at a location */
private NoiseGeneratorOctaves slowsandGravelNoiseGen;
/**
* Determines whether something other than nettherack can be generated at a location
*/
private NoiseGeneratorOctaves netherrackExculsivityNoiseGen;
public NoiseGeneratorOctaves netherNoiseGen6;
public NoiseGeneratorOctaves netherNoiseGen7;
/** Is the world that the nether is getting generated. */
private World worldObj;
private double[] noiseField;
public MapGenNetherBridge genNetherBridge = new MapGenNetherBridge();
/**
* Holds the noise used to determine whether slowsand can be generated at a location
*/
private double[] slowsandNoise = new double[256];
private double[] gravelNoise = new double[256];
/**
* Holds the noise used to determine whether something other than netherrack can be generated at a location
*/
private double[] netherrackExclusivityNoise = new double[256];
private MapGenBase netherCaveGenerator = new MapGenCavesHell();
double[] noiseData1;
double[] noiseData2;
double[] noiseData3;
double[] noiseData4;
double[] noiseData5;
{
genNetherBridge = (MapGenNetherBridge) TerrainGen.getModdedMapGen(genNetherBridge, NETHER_BRIDGE);
netherCaveGenerator = TerrainGen.getModdedMapGen(netherCaveGenerator, NETHER_CAVE);
}
public ChunkProviderHell(World par1World, long par2)
{
this.worldObj = par1World;
this.hellRNG = new Random(par2);
this.netherNoiseGen1 = new NoiseGeneratorOctaves(this.hellRNG, 16);
this.netherNoiseGen2 = new NoiseGeneratorOctaves(this.hellRNG, 16);
this.netherNoiseGen3 = new NoiseGeneratorOctaves(this.hellRNG, 8);
this.slowsandGravelNoiseGen = new NoiseGeneratorOctaves(this.hellRNG, 4);
this.netherrackExculsivityNoiseGen = new NoiseGeneratorOctaves(this.hellRNG, 4);
this.netherNoiseGen6 = new NoiseGeneratorOctaves(this.hellRNG, 10);
this.netherNoiseGen7 = new NoiseGeneratorOctaves(this.hellRNG, 16);
NoiseGeneratorOctaves[] noiseGens = {netherNoiseGen1, netherNoiseGen2, netherNoiseGen3, slowsandGravelNoiseGen, netherrackExculsivityNoiseGen, netherNoiseGen6, netherNoiseGen7};
noiseGens = TerrainGen.getModdedNoiseGenerators(par1World, this.hellRNG, noiseGens);
this.netherNoiseGen1 = noiseGens[0];
this.netherNoiseGen2 = noiseGens[1];
this.netherNoiseGen3 = noiseGens[2];
this.slowsandGravelNoiseGen = noiseGens[3];
this.netherrackExculsivityNoiseGen = noiseGens[4];
this.netherNoiseGen6 = noiseGens[5];
this.netherNoiseGen7 = noiseGens[6];
}
/**
* Generates the shape of the terrain in the nether.
*/
public void generateNetherTerrain(int par1, int par2, byte[] par3ArrayOfByte)
{
byte var4 = 4;
byte var5 = 32;
int var6 = var4 + 1;
byte var7 = 17;
int var8 = var4 + 1;
this.noiseField = this.initializeNoiseField(this.noiseField, par1 * var4, 0, par2 * var4, var6, var7, var8);
for (int var9 = 0; var9 < var4; ++var9)
{
for (int var10 = 0; var10 < var4; ++var10)
{
for (int var11 = 0; var11 < 16; ++var11)
{
double var12 = 0.125D;
double var14 = this.noiseField[((var9 + 0) * var8 + var10 + 0) * var7 + var11 + 0];
double var16 = this.noiseField[((var9 + 0) * var8 + var10 + 1) * var7 + var11 + 0];
double var18 = this.noiseField[((var9 + 1) * var8 + var10 + 0) * var7 + var11 + 0];
double var20 = this.noiseField[((var9 + 1) * var8 + var10 + 1) * var7 + var11 + 0];
double var22 = (this.noiseField[((var9 + 0) * var8 + var10 + 0) * var7 + var11 + 1] - var14) * var12;
double var24 = (this.noiseField[((var9 + 0) * var8 + var10 + 1) * var7 + var11 + 1] - var16) * var12;
double var26 = (this.noiseField[((var9 + 1) * var8 + var10 + 0) * var7 + var11 + 1] - var18) * var12;
double var28 = (this.noiseField[((var9 + 1) * var8 + var10 + 1) * var7 + var11 + 1] - var20) * var12;
for (int var30 = 0; var30 < 8; ++var30)
{
double var31 = 0.25D;
double var33 = var14;
double var35 = var16;
double var37 = (var18 - var14) * var31;
double var39 = (var20 - var16) * var31;
for (int var41 = 0; var41 < 4; ++var41)
{
int var42 = var41 + var9 * 4 << 11 | 0 + var10 * 4 << 7 | var11 * 8 + var30;
short var43 = 128;
double var44 = 0.25D;
double var46 = var33;
double var48 = (var35 - var33) * var44;
for (int var50 = 0; var50 < 4; ++var50)
{
int var51 = 0;
if (var11 * 8 + var30 < var5)
{
var51 = Block.lavaStill.blockID;
}
if (var46 > 0.0D)
{
var51 = Block.netherrack.blockID;
}
par3ArrayOfByte[var42] = (byte)var51;
var42 += var43;
var46 += var48;
}
var33 += var37;
var35 += var39;
}
var14 += var22;
var16 += var24;
var18 += var26;
var20 += var28;
}
}
}
}
}
/**
* name based on ChunkProviderGenerate
*/
public void replaceBlocksForBiome(int par1, int par2, byte[] par3ArrayOfByte)
{
ChunkProviderEvent.ReplaceBiomeBlocks event = new ChunkProviderEvent.ReplaceBiomeBlocks(this, par1, par2, par3ArrayOfByte, null);
MinecraftForge.EVENT_BUS.post(event);
if (event.getResult() == Result.DENY) return;
byte var4 = 64;
double var5 = 0.03125D;
this.slowsandNoise = this.slowsandGravelNoiseGen.generateNoiseOctaves(this.slowsandNoise, par1 * 16, par2 * 16, 0, 16, 16, 1, var5, var5, 1.0D);
this.gravelNoise = this.slowsandGravelNoiseGen.generateNoiseOctaves(this.gravelNoise, par1 * 16, 109, par2 * 16, 16, 1, 16, var5, 1.0D, var5);
this.netherrackExclusivityNoise = this.netherrackExculsivityNoiseGen.generateNoiseOctaves(this.netherrackExclusivityNoise, par1 * 16, par2 * 16, 0, 16, 16, 1, var5 * 2.0D, var5 * 2.0D, var5 * 2.0D);
for (int var7 = 0; var7 < 16; ++var7)
{
for (int var8 = 0; var8 < 16; ++var8)
{
boolean var9 = this.slowsandNoise[var7 + var8 * 16] + this.hellRNG.nextDouble() * 0.2D > 0.0D;
boolean var10 = this.gravelNoise[var7 + var8 * 16] + this.hellRNG.nextDouble() * 0.2D > 0.0D;
int var11 = (int)(this.netherrackExclusivityNoise[var7 + var8 * 16] / 3.0D + 3.0D + this.hellRNG.nextDouble() * 0.25D);
int var12 = -1;
byte var13 = (byte)Block.netherrack.blockID;
byte var14 = (byte)Block.netherrack.blockID;
for (int var15 = 127; var15 >= 0; --var15)
{
int var16 = (var8 * 16 + var7) * 128 + var15;
if (var15 < 127 - this.hellRNG.nextInt(5) && var15 > 0 + this.hellRNG.nextInt(5))
{
byte var17 = par3ArrayOfByte[var16];
if (var17 == 0)
{
var12 = -1;
}
else if (var17 == Block.netherrack.blockID)
{
if (var12 == -1)
{
if (var11 <= 0)
{
var13 = 0;
var14 = (byte)Block.netherrack.blockID;
}
else if (var15 >= var4 - 4 && var15 <= var4 + 1)
{
var13 = (byte)Block.netherrack.blockID;
var14 = (byte)Block.netherrack.blockID;
if (var10)
{
var13 = (byte)Block.gravel.blockID;
}
if (var10)
{
var14 = (byte)Block.netherrack.blockID;
}
if (var9)
{
var13 = (byte)Block.slowSand.blockID;
}
if (var9)
{
var14 = (byte)Block.slowSand.blockID;
}
}
if (var15 < var4 && var13 == 0)
{
var13 = (byte)Block.lavaStill.blockID;
}
var12 = var11;
if (var15 >= var4 - 1)
{
par3ArrayOfByte[var16] = var13;
}
else
{
par3ArrayOfByte[var16] = var14;
}
}
else if (var12 > 0)
{
--var12;
par3ArrayOfByte[var16] = var14;
}
}
}
else
{
par3ArrayOfByte[var16] = (byte)Block.bedrock.blockID;
}
}
}
}
}
/**
* loads or generates the chunk at the chunk location specified
*/
public Chunk loadChunk(int par1, int par2)
{
return this.provideChunk(par1, par2);
}
/**
* 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 par1, int par2)
{
this.hellRNG.setSeed((long)par1 * 341873128712L + (long)par2 * 132897987541L);
byte[] var3 = new byte[32768];
this.generateNetherTerrain(par1, par2, var3);
this.replaceBlocksForBiome(par1, par2, var3);
this.netherCaveGenerator.generate(this, this.worldObj, par1, par2, var3);
this.genNetherBridge.generate(this, this.worldObj, par1, par2, var3);
Chunk var4 = new Chunk(this.worldObj, var3, par1, par2);
BiomeGenBase[] var5 = this.worldObj.getWorldChunkManager().loadBlockGeneratorData((BiomeGenBase[])null, par1 * 16, par2 * 16, 16, 16);
byte[] var6 = var4.getBiomeArray();
for (int var7 = 0; var7 < var6.length; ++var7)
{
var6[var7] = (byte)var5[var7].biomeID;
}
var4.resetRelightChecks();
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[] par1ArrayOfDouble, int par2, int par3, int par4, int par5, int par6, int par7)
{
ChunkProviderEvent.InitNoiseField event = new ChunkProviderEvent.InitNoiseField(this, par1ArrayOfDouble, par2, par3, par4, par5, par6, par7);
MinecraftForge.EVENT_BUS.post(event);
if (event.getResult() == Result.DENY) return event.noisefield;
if (par1ArrayOfDouble == null)
{
par1ArrayOfDouble = new double[par5 * par6 * par7];
}
double var8 = 684.412D;
double var10 = 2053.236D;
this.noiseData4 = this.netherNoiseGen6.generateNoiseOctaves(this.noiseData4, par2, par3, par4, par5, 1, par7, 1.0D, 0.0D, 1.0D);
this.noiseData5 = this.netherNoiseGen7.generateNoiseOctaves(this.noiseData5, par2, par3, par4, par5, 1, par7, 100.0D, 0.0D, 100.0D);
this.noiseData1 = this.netherNoiseGen3.generateNoiseOctaves(this.noiseData1, par2, par3, par4, par5, par6, par7, var8 / 80.0D, var10 / 60.0D, var8 / 80.0D);
this.noiseData2 = this.netherNoiseGen1.generateNoiseOctaves(this.noiseData2, par2, par3, par4, par5, par6, par7, var8, var10, var8);
this.noiseData3 = this.netherNoiseGen2.generateNoiseOctaves(this.noiseData3, par2, par3, par4, par5, par6, par7, var8, var10, var8);
int var12 = 0;
int var13 = 0;
double[] var14 = new double[par6];
int var15;
for (var15 = 0; var15 < par6; ++var15)
{
var14[var15] = Math.cos((double)var15 * Math.PI * 6.0D / (double)par6) * 2.0D;
double var16 = (double)var15;
if (var15 > par6 / 2)
{
var16 = (double)(par6 - 1 - var15);
}
if (var16 < 4.0D)
{
var16 = 4.0D - var16;
var14[var15] -= var16 * var16 * var16 * 10.0D;
}
}
for (var15 = 0; var15 < par5; ++var15)
{
for (int var36 = 0; var36 < par7; ++var36)
{
double var17 = (this.noiseData4[var13] + 256.0D) / 512.0D;
if (var17 > 1.0D)
{
var17 = 1.0D;
}
double var19 = 0.0D;
double var21 = this.noiseData5[var13] / 8000.0D;
if (var21 < 0.0D)
{
var21 = -var21;
}
var21 = var21 * 3.0D - 3.0D;
if (var21 < 0.0D)
{
var21 /= 2.0D;
if (var21 < -1.0D)
{
var21 = -1.0D;
}
var21 /= 1.4D;
var21 /= 2.0D;
var17 = 0.0D;
}
else
{
if (var21 > 1.0D)
{
var21 = 1.0D;
}
var21 /= 6.0D;
}
var17 += 0.5D;
var21 = var21 * (double)par6 / 16.0D;
++var13;
for (int var23 = 0; var23 < par6; ++var23)
{
double var24 = 0.0D;
double var26 = var14[var23];
double var28 = this.noiseData2[var12] / 512.0D;
double var30 = this.noiseData3[var12] / 512.0D;
double var32 = (this.noiseData1[var12] / 10.0D + 1.0D) / 2.0D;
if (var32 < 0.0D)
{
var24 = var28;
}
else if (var32 > 1.0D)
{
var24 = var30;
}
else
{
var24 = var28 + (var30 - var28) * var32;
}
var24 -= var26;
double var34;
if (var23 > par6 - 4)
{
var34 = (double)((float)(var23 - (par6 - 4)) / 3.0F);
var24 = var24 * (1.0D - var34) + -10.0D * var34;
}
if ((double)var23 < var19)
{
var34 = (var19 - (double)var23) / 4.0D;
if (var34 < 0.0D)
{
var34 = 0.0D;
}
if (var34 > 1.0D)
{
var34 = 1.0D;
}
var24 = var24 * (1.0D - var34) + -10.0D * var34;
}
par1ArrayOfDouble[var12] = var24;
++var12;
}
}
}
return par1ArrayOfDouble;
}
/**
* Checks to see if a chunk exists at x, y
*/
public boolean chunkExists(int par1, int par2)
{
return true;
}
/**
* Populates chunk with ores etc etc
*/
public void populate(IChunkProvider par1IChunkProvider, int par2, int par3)
{
BlockSand.fallInstantly = true;
MinecraftForge.EVENT_BUS.post(new PopulateChunkEvent.Pre(par1IChunkProvider, worldObj, hellRNG, par2, par3, false));
int var4 = par2 * 16;
int var5 = par3 * 16;
this.genNetherBridge.generateStructuresInChunk(this.worldObj, this.hellRNG, par2, par3);
int var6;
int var7;
int var8;
int var9;
boolean doGen = TerrainGen.populate(par1IChunkProvider, worldObj, hellRNG, par2, par3, false, NETHER_LAVA);
for (var6 = 0; doGen && var6 < 8; ++var6)
{
var7 = var4 + this.hellRNG.nextInt(16) + 8;
var8 = this.hellRNG.nextInt(120) + 4;
var9 = var5 + this.hellRNG.nextInt(16) + 8;
(new WorldGenHellLava(Block.lavaMoving.blockID)).generate(this.worldObj, this.hellRNG, var7, var8, var9);
}
var6 = this.hellRNG.nextInt(this.hellRNG.nextInt(10) + 1) + 1;
int var10;
doGen = TerrainGen.populate(par1IChunkProvider, worldObj, hellRNG, par2, par3, false, FIRE);
for (var7 = 0; doGen && var7 < var6; ++var7)
{
var8 = var4 + this.hellRNG.nextInt(16) + 8;
var9 = this.hellRNG.nextInt(120) + 4;
var10 = var5 + this.hellRNG.nextInt(16) + 8;
(new WorldGenFire()).generate(this.worldObj, this.hellRNG, var8, var9, var10);
}
var6 = this.hellRNG.nextInt(this.hellRNG.nextInt(10) + 1);
doGen = TerrainGen.populate(par1IChunkProvider, worldObj, hellRNG, par2, par3, false, GLOWSTONE);
for (var7 = 0; doGen && var7 < var6; ++var7)
{
var8 = var4 + this.hellRNG.nextInt(16) + 8;
var9 = this.hellRNG.nextInt(120) + 4;
var10 = var5 + this.hellRNG.nextInt(16) + 8;
(new WorldGenGlowStone1()).generate(this.worldObj, this.hellRNG, var8, var9, var10);
}
for (var7 = 0; doGen && var7 < 10; ++var7)
{
var8 = var4 + this.hellRNG.nextInt(16) + 8;
var9 = this.hellRNG.nextInt(128);
var10 = var5 + this.hellRNG.nextInt(16) + 8;
(new WorldGenGlowStone2()).generate(this.worldObj, this.hellRNG, var8, var9, var10);
}
MinecraftForge.EVENT_BUS.post(new DecorateBiomeEvent.Pre(worldObj, hellRNG, var4, var5));
doGen = TerrainGen.decorate(worldObj, hellRNG, var4, var5, SHROOM);
if (doGen && this.hellRNG.nextInt(1) == 0)
{
var7 = var4 + this.hellRNG.nextInt(16) + 8;
var8 = this.hellRNG.nextInt(128);
var9 = var5 + this.hellRNG.nextInt(16) + 8;
(new WorldGenFlowers(Block.mushroomBrown.blockID)).generate(this.worldObj, this.hellRNG, var7, var8, var9);
}
if (doGen && this.hellRNG.nextInt(1) == 0)
{
var7 = var4 + this.hellRNG.nextInt(16) + 8;
var8 = this.hellRNG.nextInt(128);
var9 = var5 + this.hellRNG.nextInt(16) + 8;
(new WorldGenFlowers(Block.mushroomRed.blockID)).generate(this.worldObj, this.hellRNG, var7, var8, var9);
}
MinecraftForge.EVENT_BUS.post(new DecorateBiomeEvent.Post(worldObj, hellRNG, var4, var5));
MinecraftForge.EVENT_BUS.post(new PopulateChunkEvent.Post(par1IChunkProvider, worldObj, hellRNG, par2, par3, false));
BlockSand.fallInstantly = 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 par1, IProgressUpdate par2IProgressUpdate)
{
return true;
}
/**
* Unloads the 100 oldest chunks from memory, due to a bug with chunkSet.add() never being called it thinks the list
* is always empty and will not remove any chunks.
*/
public boolean unload100OldestChunks()
{
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 "HellRandomLevelSource";
}
/**
* Returns a list of creatures of the specified type that can spawn at the given location.
*/
public List getPossibleCreatures(EnumCreatureType par1EnumCreatureType, int par2, int par3, int par4)
{
if (par1EnumCreatureType == EnumCreatureType.monster && this.genNetherBridge.hasStructureAt(par2, par3, par4))
{
return this.genNetherBridge.getSpawnList();
}
else
{
BiomeGenBase var5 = this.worldObj.getBiomeGenForCoords(par2, par4);
return var5 == null ? null : var5.getSpawnableList(par1EnumCreatureType);
}
}
/**
* Returns the location of the closest structure of the specified type. If not found returns null.
*/
public ChunkPosition findClosestStructure(World par1World, String par2Str, int par3, int par4, int par5)
{
return null;
}
public int getLoadedChunkCount()
{
return 0;
}
public void recreateStructures(int par1, int par2)
{
this.genNetherBridge.generate(this, this.worldObj, par1, par2, (byte[])null);
}
}