package net.minecraft.world.gen;
import java.util.List;
import java.util.Random;
import net.minecraft.block.Block;
import net.minecraft.block.BlockFalling;
import net.minecraft.entity.EnumCreatureType;
import net.minecraft.init.Blocks;
import net.minecraft.util.IProgressUpdate;
import net.minecraft.util.MathHelper;
import net.minecraft.world.ChunkPosition;
import net.minecraft.world.SpawnerAnimals;
import net.minecraft.world.World;
import net.minecraft.world.WorldType;
import net.minecraft.world.biome.BiomeGenBase;
import net.minecraft.world.chunk.Chunk;
import net.minecraft.world.chunk.IChunkProvider;
import net.minecraft.world.gen.feature.WorldGenDungeons;
import net.minecraft.world.gen.feature.WorldGenLakes;
import net.minecraft.world.gen.structure.MapGenMineshaft;
import net.minecraft.world.gen.structure.MapGenScatteredFeature;
import net.minecraft.world.gen.structure.MapGenStronghold;
import net.minecraft.world.gen.structure.MapGenVillage;
import static net.minecraftforge.event.terraingen.InitMapGenEvent.EventType.*;
import static net.minecraftforge.event.terraingen.PopulateChunkEvent.Populate.EventType.*;
import net.minecraftforge.common.*;
import cpw.mods.fml.common.eventhandler.Event.*;
import net.minecraftforge.event.terraingen.*;
public class ChunkProviderGenerate implements IChunkProvider
{
/** RNG. */
private Random rand;
private NoiseGeneratorOctaves field_147431_j;
private NoiseGeneratorOctaves field_147432_k;
private NoiseGeneratorOctaves field_147429_l;
private NoiseGeneratorPerlin field_147430_m;
/** A NoiseGeneratorOctaves used in generating terrain */
public NoiseGeneratorOctaves noiseGen5;
/** A NoiseGeneratorOctaves used in generating terrain */
public NoiseGeneratorOctaves noiseGen6;
public NoiseGeneratorOctaves mobSpawnerNoise;
/** Reference to the World object. */
private World worldObj;
/** are map structures going to be generated (e.g. strongholds) */
private final boolean mapFeaturesEnabled;
private WorldType field_147435_p;
private final double[] field_147434_q;
private final float[] parabolicField;
private double[] stoneNoise = new double[256];
private MapGenBase caveGenerator = new MapGenCaves();
/** Holds Stronghold Generator */
private MapGenStronghold strongholdGenerator = new MapGenStronghold();
/** Holds Village Generator */
private MapGenVillage villageGenerator = new MapGenVillage();
/** Holds Mineshaft Generator */
private MapGenMineshaft mineshaftGenerator = new MapGenMineshaft();
private MapGenScatteredFeature scatteredFeatureGenerator = new MapGenScatteredFeature();
/** Holds ravine generator */
private MapGenBase ravineGenerator = new MapGenRavine();
/** The biomes that are used to generate the chunk */
private BiomeGenBase[] biomesForGeneration;
double[] field_147427_d;
double[] field_147428_e;
double[] field_147425_f;
double[] field_147426_g;
int[][] field_73219_j = new int[32][32];
private static final String __OBFID = "CL_00000396";
{
caveGenerator = TerrainGen.getModdedMapGen(caveGenerator, CAVE);
strongholdGenerator = (MapGenStronghold) TerrainGen.getModdedMapGen(strongholdGenerator, STRONGHOLD);
villageGenerator = (MapGenVillage) TerrainGen.getModdedMapGen(villageGenerator, VILLAGE);
mineshaftGenerator = (MapGenMineshaft) TerrainGen.getModdedMapGen(mineshaftGenerator, MINESHAFT);
scatteredFeatureGenerator = (MapGenScatteredFeature) TerrainGen.getModdedMapGen(scatteredFeatureGenerator, SCATTERED_FEATURE);
ravineGenerator = TerrainGen.getModdedMapGen(ravineGenerator, RAVINE);
}
public ChunkProviderGenerate(World p_i2006_1_, long p_i2006_2_, boolean p_i2006_4_)
{
this.worldObj = p_i2006_1_;
this.mapFeaturesEnabled = p_i2006_4_;
this.field_147435_p = p_i2006_1_.getWorldInfo().getTerrainType();
this.rand = new Random(p_i2006_2_);
this.field_147431_j = new NoiseGeneratorOctaves(this.rand, 16);
this.field_147432_k = new NoiseGeneratorOctaves(this.rand, 16);
this.field_147429_l = new NoiseGeneratorOctaves(this.rand, 8);
this.field_147430_m = new NoiseGeneratorPerlin(this.rand, 4);
this.noiseGen5 = new NoiseGeneratorOctaves(this.rand, 10);
this.noiseGen6 = new NoiseGeneratorOctaves(this.rand, 16);
this.mobSpawnerNoise = new NoiseGeneratorOctaves(this.rand, 8);
this.field_147434_q = new double[825];
this.parabolicField = new float[25];
for (int j = -2; j <= 2; ++j)
{
for (int k = -2; k <= 2; ++k)
{
float f = 10.0F / MathHelper.sqrt_float((float)(j * j + k * k) + 0.2F);
this.parabolicField[j + 2 + (k + 2) * 5] = f;
}
}
NoiseGenerator[] noiseGens = {field_147431_j, field_147432_k, field_147429_l, field_147430_m, noiseGen5, noiseGen6, mobSpawnerNoise};
noiseGens = TerrainGen.getModdedNoiseGenerators(p_i2006_1_, this.rand, noiseGens);
this.field_147431_j = (NoiseGeneratorOctaves)noiseGens[0];
this.field_147432_k = (NoiseGeneratorOctaves)noiseGens[1];
this.field_147429_l = (NoiseGeneratorOctaves)noiseGens[2];
this.field_147430_m = (NoiseGeneratorPerlin)noiseGens[3];
this.noiseGen5 = (NoiseGeneratorOctaves)noiseGens[4];
this.noiseGen6 = (NoiseGeneratorOctaves)noiseGens[5];
this.mobSpawnerNoise = (NoiseGeneratorOctaves)noiseGens[6];
}
public void func_147424_a(int p_147424_1_, int p_147424_2_, Block[] p_147424_3_)
{
byte b0 = 63;
this.biomesForGeneration = this.worldObj.getWorldChunkManager().getBiomesForGeneration(this.biomesForGeneration, p_147424_1_ * 4 - 2, p_147424_2_ * 4 - 2, 10, 10);
this.func_147423_a(p_147424_1_ * 4, 0, p_147424_2_ * 4);
for (int k = 0; k < 4; ++k)
{
int l = k * 5;
int i1 = (k + 1) * 5;
for (int j1 = 0; j1 < 4; ++j1)
{
int k1 = (l + j1) * 33;
int l1 = (l + j1 + 1) * 33;
int i2 = (i1 + j1) * 33;
int j2 = (i1 + j1 + 1) * 33;
for (int k2 = 0; k2 < 32; ++k2)
{
double d0 = 0.125D;
double d1 = this.field_147434_q[k1 + k2];
double d2 = this.field_147434_q[l1 + k2];
double d3 = this.field_147434_q[i2 + k2];
double d4 = this.field_147434_q[j2 + k2];
double d5 = (this.field_147434_q[k1 + k2 + 1] - d1) * d0;
double d6 = (this.field_147434_q[l1 + k2 + 1] - d2) * d0;
double d7 = (this.field_147434_q[i2 + k2 + 1] - d3) * d0;
double d8 = (this.field_147434_q[j2 + k2 + 1] - d4) * d0;
for (int l2 = 0; l2 < 8; ++l2)
{
double d9 = 0.25D;
double d10 = d1;
double d11 = d2;
double d12 = (d3 - d1) * d9;
double d13 = (d4 - d2) * d9;
for (int i3 = 0; i3 < 4; ++i3)
{
int j3 = i3 + k * 4 << 12 | 0 + j1 * 4 << 8 | k2 * 8 + l2;
short short1 = 256;
j3 -= short1;
double d14 = 0.25D;
double d16 = (d11 - d10) * d14;
double d15 = d10 - d16;
for (int k3 = 0; k3 < 4; ++k3)
{
if ((d15 += d16) > 0.0D)
{
p_147424_3_[j3 += short1] = Blocks.stone;
}
else if (k2 * 8 + l2 < b0)
{
p_147424_3_[j3 += short1] = Blocks.water;
}
else
{
p_147424_3_[j3 += short1] = null;
}
}
d10 += d12;
d11 += d13;
}
d1 += d5;
d2 += d6;
d3 += d7;
d4 += d8;
}
}
}
}
}
public void replaceBlocksForBiome(int p_147422_1_, int p_147422_2_, Block[] p_147422_3_, byte[] p_147422_4_, BiomeGenBase[] p_147422_5_)
{
ChunkProviderEvent.ReplaceBiomeBlocks event = new ChunkProviderEvent.ReplaceBiomeBlocks(this, p_147422_1_, p_147422_2_, p_147422_3_, p_147422_4_, p_147422_5_, this.worldObj);
MinecraftForge.EVENT_BUS.post(event);
if (event.getResult() == Result.DENY) return;
double d0 = 0.03125D;
this.stoneNoise = this.field_147430_m.func_151599_a(this.stoneNoise, (double)(p_147422_1_ * 16), (double)(p_147422_2_ * 16), 16, 16, d0 * 2.0D, d0 * 2.0D, 1.0D);
for (int k = 0; k < 16; ++k)
{
for (int l = 0; l < 16; ++l)
{
BiomeGenBase biomegenbase = p_147422_5_[l + k * 16];
biomegenbase.genTerrainBlocks(this.worldObj, this.rand, p_147422_3_, p_147422_4_, p_147422_1_ * 16 + k, p_147422_2_ * 16 + l, this.stoneNoise[l + k * 16]);
}
}
}
/**
* loads or generates the chunk at the chunk location specified
*/
public Chunk loadChunk(int p_73158_1_, int p_73158_2_)
{
return this.provideChunk(p_73158_1_, p_73158_2_);
}
/**
* 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.rand.setSeed((long)p_73154_1_ * 341873128712L + (long)p_73154_2_ * 132897987541L);
Block[] ablock = new Block[65536];
byte[] abyte = new byte[65536];
this.func_147424_a(p_73154_1_, p_73154_2_, ablock);
this.biomesForGeneration = this.worldObj.getWorldChunkManager().loadBlockGeneratorData(this.biomesForGeneration, p_73154_1_ * 16, p_73154_2_ * 16, 16, 16);
this.replaceBlocksForBiome(p_73154_1_, p_73154_2_, ablock, abyte, this.biomesForGeneration);
this.caveGenerator.generate(this, this.worldObj, p_73154_1_, p_73154_2_, ablock);
this.ravineGenerator.generate(this, this.worldObj, p_73154_1_, p_73154_2_, ablock);
if (this.mapFeaturesEnabled)
{
this.mineshaftGenerator.generate(this, this.worldObj, p_73154_1_, p_73154_2_, ablock);
this.villageGenerator.generate(this, this.worldObj, p_73154_1_, p_73154_2_, ablock);
this.strongholdGenerator.generate(this, this.worldObj, p_73154_1_, p_73154_2_, ablock);
this.scatteredFeatureGenerator.generate(this, this.worldObj, p_73154_1_, p_73154_2_, ablock);
}
Chunk chunk = new Chunk(this.worldObj, ablock, abyte, p_73154_1_, p_73154_2_);
byte[] abyte1 = chunk.getBiomeArray();
for (int k = 0; k < abyte1.length; ++k)
{
abyte1[k] = (byte)this.biomesForGeneration[k].biomeID;
}
chunk.generateSkylightMap();
return chunk;
}
private void func_147423_a(int p_147423_1_, int p_147423_2_, int p_147423_3_)
{
double d0 = 684.412D;
double d1 = 684.412D;
double d2 = 512.0D;
double d3 = 512.0D;
this.field_147426_g = this.noiseGen6.generateNoiseOctaves(this.field_147426_g, p_147423_1_, p_147423_3_, 5, 5, 200.0D, 200.0D, 0.5D);
this.field_147427_d = this.field_147429_l.generateNoiseOctaves(this.field_147427_d, p_147423_1_, p_147423_2_, p_147423_3_, 5, 33, 5, 8.555150000000001D, 4.277575000000001D, 8.555150000000001D);
this.field_147428_e = this.field_147431_j.generateNoiseOctaves(this.field_147428_e, p_147423_1_, p_147423_2_, p_147423_3_, 5, 33, 5, 684.412D, 684.412D, 684.412D);
this.field_147425_f = this.field_147432_k.generateNoiseOctaves(this.field_147425_f, p_147423_1_, p_147423_2_, p_147423_3_, 5, 33, 5, 684.412D, 684.412D, 684.412D);
boolean flag1 = false;
boolean flag = false;
int l = 0;
int i1 = 0;
double d4 = 8.5D;
for (int j1 = 0; j1 < 5; ++j1)
{
for (int k1 = 0; k1 < 5; ++k1)
{
float f = 0.0F;
float f1 = 0.0F;
float f2 = 0.0F;
byte b0 = 2;
BiomeGenBase biomegenbase = this.biomesForGeneration[j1 + 2 + (k1 + 2) * 10];
for (int l1 = -b0; l1 <= b0; ++l1)
{
for (int i2 = -b0; i2 <= b0; ++i2)
{
BiomeGenBase biomegenbase1 = this.biomesForGeneration[j1 + l1 + 2 + (k1 + i2 + 2) * 10];
float f3 = biomegenbase1.minHeight;
float f4 = biomegenbase1.maxHeight;
if (this.field_147435_p == WorldType.AMPLIFIED && f3 > 0.0F)
{
f3 = 1.0F + f3 * 2.0F;
f4 = 1.0F + f4 * 4.0F;
}
float f5 = this.parabolicField[l1 + 2 + (i2 + 2) * 5] / (f3 + 2.0F);
if (biomegenbase1.minHeight > biomegenbase.minHeight)
{
f5 /= 2.0F;
}
f += f4 * f5;
f1 += f3 * f5;
f2 += f5;
}
}
f /= f2;
f1 /= f2;
f = f * 0.9F + 0.1F;
f1 = (f1 * 4.0F - 1.0F) / 8.0F;
double d12 = this.field_147426_g[i1] / 8000.0D;
if (d12 < 0.0D)
{
d12 = -d12 * 0.3D;
}
d12 = d12 * 3.0D - 2.0D;
if (d12 < 0.0D)
{
d12 /= 2.0D;
if (d12 < -1.0D)
{
d12 = -1.0D;
}
d12 /= 1.4D;
d12 /= 2.0D;
}
else
{
if (d12 > 1.0D)
{
d12 = 1.0D;
}
d12 /= 8.0D;
}
++i1;
double d13 = (double)f1;
double d14 = (double)f;
d13 += d12 * 0.2D;
d13 = d13 * 8.5D / 8.0D;
double d5 = 8.5D + d13 * 4.0D;
for (int j2 = 0; j2 < 33; ++j2)
{
double d6 = ((double)j2 - d5) * 12.0D * 128.0D / 256.0D / d14;
if (d6 < 0.0D)
{
d6 *= 4.0D;
}
double d7 = this.field_147428_e[l] / 512.0D;
double d8 = this.field_147425_f[l] / 512.0D;
double d9 = (this.field_147427_d[l] / 10.0D + 1.0D) / 2.0D;
double d10 = MathHelper.denormalizeClamp(d7, d8, d9) - d6;
if (j2 > 29)
{
double d11 = (double)((float)(j2 - 29) / 3.0F);
d10 = d10 * (1.0D - d11) + -10.0D * d11;
}
this.field_147434_q[l] = d10;
++l;
}
}
}
}
/**
* 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;
int k = p_73153_2_ * 16;
int l = p_73153_3_ * 16;
BiomeGenBase biomegenbase = this.worldObj.getBiomeGenForCoords(k + 16, l + 16);
this.rand.setSeed(this.worldObj.getSeed());
long i1 = this.rand.nextLong() / 2L * 2L + 1L;
long j1 = this.rand.nextLong() / 2L * 2L + 1L;
this.rand.setSeed((long)p_73153_2_ * i1 + (long)p_73153_3_ * j1 ^ this.worldObj.getSeed());
boolean flag = false;
MinecraftForge.EVENT_BUS.post(new PopulateChunkEvent.Pre(p_73153_1_, worldObj, rand, p_73153_2_, p_73153_3_, flag));
if (this.mapFeaturesEnabled)
{
this.mineshaftGenerator.generateStructuresInChunk(this.worldObj, this.rand, p_73153_2_, p_73153_3_);
flag = this.villageGenerator.generateStructuresInChunk(this.worldObj, this.rand, p_73153_2_, p_73153_3_);
this.strongholdGenerator.generateStructuresInChunk(this.worldObj, this.rand, p_73153_2_, p_73153_3_);
this.scatteredFeatureGenerator.generateStructuresInChunk(this.worldObj, this.rand, p_73153_2_, p_73153_3_);
}
int k1;
int l1;
int i2;
if (biomegenbase != BiomeGenBase.desert && biomegenbase != BiomeGenBase.desertHills && !flag && this.rand.nextInt(4) == 0
&& TerrainGen.populate(p_73153_1_, worldObj, rand, p_73153_2_, p_73153_3_, flag, LAKE))
{
k1 = k + this.rand.nextInt(16) + 8;
l1 = this.rand.nextInt(256);
i2 = l + this.rand.nextInt(16) + 8;
(new WorldGenLakes(Blocks.water)).generate(this.worldObj, this.rand, k1, l1, i2);
}
if (TerrainGen.populate(p_73153_1_, worldObj, rand, p_73153_2_, p_73153_3_, flag, LAVA) && !flag && this.rand.nextInt(8) == 0)
{
k1 = k + this.rand.nextInt(16) + 8;
l1 = this.rand.nextInt(this.rand.nextInt(248) + 8);
i2 = l + this.rand.nextInt(16) + 8;
if (l1 < 63 || this.rand.nextInt(10) == 0)
{
(new WorldGenLakes(Blocks.lava)).generate(this.worldObj, this.rand, k1, l1, i2);
}
}
boolean doGen = TerrainGen.populate(p_73153_1_, worldObj, rand, p_73153_2_, p_73153_3_, flag, DUNGEON);
for (k1 = 0; doGen && k1 < 8; ++k1)
{
l1 = k + this.rand.nextInt(16) + 8;
i2 = this.rand.nextInt(256);
int j2 = l + this.rand.nextInt(16) + 8;
(new WorldGenDungeons()).generate(this.worldObj, this.rand, l1, i2, j2);
}
biomegenbase.decorate(this.worldObj, this.rand, k, l);
if (TerrainGen.populate(p_73153_1_, worldObj, rand, p_73153_2_, p_73153_3_, flag, ANIMALS))
{
SpawnerAnimals.performWorldGenSpawning(this.worldObj, biomegenbase, k + 8, l + 8, 16, 16, this.rand);
}
k += 8;
l += 8;
doGen = TerrainGen.populate(p_73153_1_, worldObj, rand, p_73153_2_, p_73153_3_, flag, ICE);
for (k1 = 0; doGen && k1 < 16; ++k1)
{
for (l1 = 0; l1 < 16; ++l1)
{
i2 = this.worldObj.getPrecipitationHeight(k + k1, l + l1);
if (this.worldObj.isBlockFreezable(k1 + k, i2 - 1, l1 + l))
{
this.worldObj.setBlock(k1 + k, i2 - 1, l1 + l, Blocks.ice, 0, 2);
}
if (this.worldObj.canSnowAt(k1 + k, i2, l1 + l, true))
{
this.worldObj.setBlock(k1 + k, i2, l1 + l, Blocks.snow_layer, 0, 2);
}
}
}
MinecraftForge.EVENT_BUS.post(new PopulateChunkEvent.Post(p_73153_1_, worldObj, rand, p_73153_2_, p_73153_3_, flag));
BlockFalling.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 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";
}
/**
* Returns a list of creatures of the specified type that can spawn at the given location.
*/
public List getPossibleCreatures(EnumCreatureType p_73155_1_, int p_73155_2_, int p_73155_3_, int p_73155_4_)
{
BiomeGenBase biomegenbase = this.worldObj.getBiomeGenForCoords(p_73155_2_, p_73155_4_);
return p_73155_1_ == EnumCreatureType.monster && this.scatteredFeatureGenerator.func_143030_a(p_73155_2_, p_73155_3_, p_73155_4_) ? this.scatteredFeatureGenerator.getScatteredFeatureSpawnList() : biomegenbase.getSpawnableList(p_73155_1_);
}
public ChunkPosition findClosestStructure(World p_147416_1_, String p_147416_2_, int p_147416_3_, int p_147416_4_, int p_147416_5_)
{
return "Stronghold".equals(p_147416_2_) && this.strongholdGenerator != null ? this.strongholdGenerator.getNearestInstance(p_147416_1_, p_147416_3_, p_147416_4_, p_147416_5_) : null;
}
public int getLoadedChunkCount()
{
return 0;
}
public void recreateStructures(int p_82695_1_, int p_82695_2_)
{
if (this.mapFeaturesEnabled)
{
this.mineshaftGenerator.generate(this, this.worldObj, p_82695_1_, p_82695_2_, (Block[])null);
this.villageGenerator.generate(this, this.worldObj, p_82695_1_, p_82695_2_, (Block[])null);
this.strongholdGenerator.generate(this, this.worldObj, p_82695_1_, p_82695_2_, (Block[])null);
this.scatteredFeatureGenerator.generate(this, this.worldObj, p_82695_1_, p_82695_2_, (Block[])null);
}
}
}