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.feature.WorldGenMinable;
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 b0 = 4;
byte b1 = 32;
int k = b0 + 1;
byte b2 = 17;
int l = b0 + 1;
this.noiseField = this.initializeNoiseField(this.noiseField, par1 * b0, 0, par2 * b0, k, b2, l);
for (int i1 = 0; i1 < b0; ++i1)
{
for (int j1 = 0; j1 < b0; ++j1)
{
for (int k1 = 0; k1 < 16; ++k1)
{
double d0 = 0.125D;
double d1 = this.noiseField[((i1 + 0) * l + j1 + 0) * b2 + k1 + 0];
double d2 = this.noiseField[((i1 + 0) * l + j1 + 1) * b2 + k1 + 0];
double d3 = this.noiseField[((i1 + 1) * l + j1 + 0) * b2 + k1 + 0];
double d4 = this.noiseField[((i1 + 1) * l + j1 + 1) * b2 + k1 + 0];
double d5 = (this.noiseField[((i1 + 0) * l + j1 + 0) * b2 + k1 + 1] - d1) * d0;
double d6 = (this.noiseField[((i1 + 0) * l + j1 + 1) * b2 + k1 + 1] - d2) * d0;
double d7 = (this.noiseField[((i1 + 1) * l + j1 + 0) * b2 + k1 + 1] - d3) * d0;
double d8 = (this.noiseField[((i1 + 1) * l + j1 + 1) * b2 + k1 + 1] - d4) * d0;
for (int l1 = 0; l1 < 8; ++l1)
{
double d9 = 0.25D;
double d10 = d1;
double d11 = d2;
double d12 = (d3 - d1) * d9;
double d13 = (d4 - d2) * d9;
for (int i2 = 0; i2 < 4; ++i2)
{
int j2 = i2 + i1 * 4 << 11 | 0 + j1 * 4 << 7 | k1 * 8 + l1;
short short1 = 128;
double d14 = 0.25D;
double d15 = d10;
double d16 = (d11 - d10) * d14;
for (int k2 = 0; k2 < 4; ++k2)
{
int l2 = 0;
if (k1 * 8 + l1 < b1)
{
l2 = Block.lavaStill.blockID;
}
if (d15 > 0.0D)
{
l2 = Block.netherrack.blockID;
}
par3ArrayOfByte[j2] = (byte)l2;
j2 += short1;
d15 += d16;
}
d10 += d12;
d11 += d13;
}
d1 += d5;
d2 += d6;
d3 += d7;
d4 += d8;
}
}
}
}
}
/**
* 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 b0 = 64;
double d0 = 0.03125D;
this.slowsandNoise = this.slowsandGravelNoiseGen.generateNoiseOctaves(this.slowsandNoise, par1 * 16, par2 * 16, 0, 16, 16, 1, d0, d0, 1.0D);
this.gravelNoise = this.slowsandGravelNoiseGen.generateNoiseOctaves(this.gravelNoise, par1 * 16, 109, par2 * 16, 16, 1, 16, d0, 1.0D, d0);
this.netherrackExclusivityNoise = this.netherrackExculsivityNoiseGen.generateNoiseOctaves(this.netherrackExclusivityNoise, par1 * 16, par2 * 16, 0, 16, 16, 1, d0 * 2.0D, d0 * 2.0D, d0 * 2.0D);
for (int k = 0; k < 16; ++k)
{
for (int l = 0; l < 16; ++l)
{
boolean flag = this.slowsandNoise[k + l * 16] + this.hellRNG.nextDouble() * 0.2D > 0.0D;
boolean flag1 = this.gravelNoise[k + l * 16] + this.hellRNG.nextDouble() * 0.2D > 0.0D;
int i1 = (int)(this.netherrackExclusivityNoise[k + l * 16] / 3.0D + 3.0D + this.hellRNG.nextDouble() * 0.25D);
int j1 = -1;
byte b1 = (byte)Block.netherrack.blockID;
byte b2 = (byte)Block.netherrack.blockID;
for (int k1 = 127; k1 >= 0; --k1)
{
int l1 = (l * 16 + k) * 128 + k1;
if (k1 < 127 - this.hellRNG.nextInt(5) && k1 > 0 + this.hellRNG.nextInt(5))
{
byte b3 = par3ArrayOfByte[l1];
if (b3 == 0)
{
j1 = -1;
}
else if (b3 == Block.netherrack.blockID)
{
if (j1 == -1)
{
if (i1 <= 0)
{
b1 = 0;
b2 = (byte)Block.netherrack.blockID;
}
else if (k1 >= b0 - 4 && k1 <= b0 + 1)
{
b1 = (byte)Block.netherrack.blockID;
b2 = (byte)Block.netherrack.blockID;
if (flag1)
{
b1 = (byte)Block.gravel.blockID;
}
if (flag1)
{
b2 = (byte)Block.netherrack.blockID;
}
if (flag)
{
b1 = (byte)Block.slowSand.blockID;
}
if (flag)
{
b2 = (byte)Block.slowSand.blockID;
}
}
if (k1 < b0 && b1 == 0)
{
b1 = (byte)Block.lavaStill.blockID;
}
j1 = i1;
if (k1 >= b0 - 1)
{
par3ArrayOfByte[l1] = b1;
}
else
{
par3ArrayOfByte[l1] = b2;
}
}
else if (j1 > 0)
{
--j1;
par3ArrayOfByte[l1] = b2;
}
}
}
else
{
par3ArrayOfByte[l1] = (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[] abyte = new byte[32768];
this.generateNetherTerrain(par1, par2, abyte);
this.replaceBlocksForBiome(par1, par2, abyte);
this.netherCaveGenerator.generate(this, this.worldObj, par1, par2, abyte);
this.genNetherBridge.generate(this, this.worldObj, par1, par2, abyte);
Chunk chunk = new Chunk(this.worldObj, abyte, par1, par2);
BiomeGenBase[] abiomegenbase = this.worldObj.getWorldChunkManager().loadBlockGeneratorData((BiomeGenBase[])null, par1 * 16, par2 * 16, 16, 16);
byte[] abyte1 = chunk.getBiomeArray();
for (int k = 0; k < abyte1.length; ++k)
{
abyte1[k] = (byte)abiomegenbase[k].biomeID;
}
chunk.resetRelightChecks();
return chunk;
}
/**
* 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 d0 = 684.412D;
double d1 = 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, d0 / 80.0D, d1 / 60.0D, d0 / 80.0D);
this.noiseData2 = this.netherNoiseGen1.generateNoiseOctaves(this.noiseData2, par2, par3, par4, par5, par6, par7, d0, d1, d0);
this.noiseData3 = this.netherNoiseGen2.generateNoiseOctaves(this.noiseData3, par2, par3, par4, par5, par6, par7, d0, d1, d0);
int k1 = 0;
int l1 = 0;
double[] adouble1 = new double[par6];
int i2;
for (i2 = 0; i2 < par6; ++i2)
{
adouble1[i2] = Math.cos((double)i2 * Math.PI * 6.0D / (double)par6) * 2.0D;
double d2 = (double)i2;
if (i2 > par6 / 2)
{
d2 = (double)(par6 - 1 - i2);
}
if (d2 < 4.0D)
{
d2 = 4.0D - d2;
adouble1[i2] -= d2 * d2 * d2 * 10.0D;
}
}
for (i2 = 0; i2 < par5; ++i2)
{
for (int j2 = 0; j2 < par7; ++j2)
{
double d3 = (this.noiseData4[l1] + 256.0D) / 512.0D;
if (d3 > 1.0D)
{
d3 = 1.0D;
}
double d4 = 0.0D;
double d5 = this.noiseData5[l1] / 8000.0D;
if (d5 < 0.0D)
{
d5 = -d5;
}
d5 = d5 * 3.0D - 3.0D;
if (d5 < 0.0D)
{
d5 /= 2.0D;
if (d5 < -1.0D)
{
d5 = -1.0D;
}
d5 /= 1.4D;
d5 /= 2.0D;
d3 = 0.0D;
}
else
{
if (d5 > 1.0D)
{
d5 = 1.0D;
}
d5 /= 6.0D;
}
d3 += 0.5D;
d5 = d5 * (double)par6 / 16.0D;
++l1;
for (int k2 = 0; k2 < par6; ++k2)
{
double d6 = 0.0D;
double d7 = adouble1[k2];
double d8 = this.noiseData2[k1] / 512.0D;
double d9 = this.noiseData3[k1] / 512.0D;
double d10 = (this.noiseData1[k1] / 10.0D + 1.0D) / 2.0D;
if (d10 < 0.0D)
{
d6 = d8;
}
else if (d10 > 1.0D)
{
d6 = d9;
}
else
{
d6 = d8 + (d9 - d8) * d10;
}
d6 -= d7;
double d11;
if (k2 > par6 - 4)
{
d11 = (double)((float)(k2 - (par6 - 4)) / 3.0F);
d6 = d6 * (1.0D - d11) + -10.0D * d11;
}
if ((double)k2 < d4)
{
d11 = (d4 - (double)k2) / 4.0D;
if (d11 < 0.0D)
{
d11 = 0.0D;
}
if (d11 > 1.0D)
{
d11 = 1.0D;
}
d6 = d6 * (1.0D - d11) + -10.0D * d11;
}
par1ArrayOfDouble[k1] = d6;
++k1;
}
}
}
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 k = par2 * 16;
int l = par3 * 16;
this.genNetherBridge.generateStructuresInChunk(this.worldObj, this.hellRNG, par2, par3);
int i1;
int j1;
int k1;
int l1;
boolean doGen = TerrainGen.populate(par1IChunkProvider, worldObj, hellRNG, par2, par3, false, NETHER_LAVA);
for (i1 = 0; doGen && i1 < 8; ++i1)
{
j1 = k + this.hellRNG.nextInt(16) + 8;
k1 = this.hellRNG.nextInt(120) + 4;
l1 = l + this.hellRNG.nextInt(16) + 8;
(new WorldGenHellLava(Block.lavaMoving.blockID, false)).generate(this.worldObj, this.hellRNG, j1, k1, l1);
}
i1 = this.hellRNG.nextInt(this.hellRNG.nextInt(10) + 1) + 1;
int i2;
doGen = TerrainGen.populate(par1IChunkProvider, worldObj, hellRNG, par2, par3, false, FIRE);
for (j1 = 0; doGen && j1 < i1; ++j1)
{
k1 = k + this.hellRNG.nextInt(16) + 8;
l1 = this.hellRNG.nextInt(120) + 4;
i2 = l + this.hellRNG.nextInt(16) + 8;
(new WorldGenFire()).generate(this.worldObj, this.hellRNG, k1, l1, i2);
}
i1 = this.hellRNG.nextInt(this.hellRNG.nextInt(10) + 1);
doGen = TerrainGen.populate(par1IChunkProvider, worldObj, hellRNG, par2, par3, false, GLOWSTONE);
for (j1 = 0; doGen && j1 < i1; ++j1)
{
k1 = k + this.hellRNG.nextInt(16) + 8;
l1 = this.hellRNG.nextInt(120) + 4;
i2 = l + this.hellRNG.nextInt(16) + 8;
(new WorldGenGlowStone1()).generate(this.worldObj, this.hellRNG, k1, l1, i2);
}
for (j1 = 0; doGen && j1 < 10; ++j1)
{
k1 = k + this.hellRNG.nextInt(16) + 8;
l1 = this.hellRNG.nextInt(128);
i2 = l + this.hellRNG.nextInt(16) + 8;
(new WorldGenGlowStone2()).generate(this.worldObj, this.hellRNG, k1, l1, i2);
}
MinecraftForge.EVENT_BUS.post(new DecorateBiomeEvent.Pre(worldObj, hellRNG, k, l));
doGen = TerrainGen.decorate(worldObj, hellRNG, k, l, SHROOM);
if (doGen && this.hellRNG.nextInt(1) == 0)
{
j1 = k + this.hellRNG.nextInt(16) + 8;
k1 = this.hellRNG.nextInt(128);
l1 = l + this.hellRNG.nextInt(16) + 8;
(new WorldGenFlowers(Block.mushroomBrown.blockID)).generate(this.worldObj, this.hellRNG, j1, k1, l1);
}
if (doGen && this.hellRNG.nextInt(1) == 0)
{
j1 = k + this.hellRNG.nextInt(16) + 8;
k1 = this.hellRNG.nextInt(128);
l1 = l + this.hellRNG.nextInt(16) + 8;
(new WorldGenFlowers(Block.mushroomRed.blockID)).generate(this.worldObj, this.hellRNG, j1, k1, l1);
}
WorldGenMinable worldgenminable = new WorldGenMinable(Block.oreNetherQuartz.blockID, 13, Block.netherrack.blockID);
int j2;
for (k1 = 0; k1 < 16; ++k1)
{
l1 = k + this.hellRNG.nextInt(16);
i2 = this.hellRNG.nextInt(108) + 10;
j2 = l + this.hellRNG.nextInt(16);
worldgenminable.generate(this.worldObj, this.hellRNG, l1, i2, j2);
}
for (k1 = 0; k1 < 16; ++k1)
{
l1 = k + this.hellRNG.nextInt(16);
i2 = this.hellRNG.nextInt(108) + 10;
j2 = l + this.hellRNG.nextInt(16);
(new WorldGenHellLava(Block.lavaMoving.blockID, true)).generate(this.worldObj, this.hellRNG, l1, i2, j2);
}
MinecraftForge.EVENT_BUS.post(new DecorateBiomeEvent.Post(worldObj, hellRNG, k, l));
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;
}
public void func_104112_b() {}
/**
* 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 "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 biomegenbase = this.worldObj.getBiomeGenForCoords(par2, par4);
return biomegenbase == null ? null : biomegenbase.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);
}
}