/*******************************************************************************
* AbyssalCraft
* Copyright (c) 2012 - 2017 Shinoow.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Lesser Public License v3
* which accompanies this distribution, and is available at
* http://www.gnu.org/licenses/lgpl-3.0.txt
*
* Contributors:
* Shinoow - implementation
******************************************************************************/
package com.shinoow.abyssalcraft.common.world;
import static net.minecraftforge.event.terraingen.InitMapGenEvent.EventType.CAVE;
import static net.minecraftforge.event.terraingen.InitMapGenEvent.EventType.NETHER_CAVE;
import static net.minecraftforge.event.terraingen.InitMapGenEvent.EventType.RAVINE;
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.math.BlockPos;
import net.minecraft.util.math.ChunkPos;
import net.minecraft.util.math.MathHelper;
import net.minecraft.world.World;
import net.minecraft.world.WorldType;
import net.minecraft.world.biome.Biome;
import net.minecraft.world.chunk.Chunk;
import net.minecraft.world.chunk.ChunkPrimer;
import net.minecraft.world.chunk.IChunkGenerator;
import net.minecraft.world.gen.MapGenBase;
import net.minecraft.world.gen.NoiseGeneratorOctaves;
import net.minecraft.world.gen.NoiseGeneratorPerlin;
import net.minecraftforge.event.ForgeEventFactory;
import net.minecraftforge.event.terraingen.TerrainGen;
import com.shinoow.abyssalcraft.api.block.ACBlocks;
import com.shinoow.abyssalcraft.common.structures.StructureShoggothPit;
import com.shinoow.abyssalcraft.common.structures.dreadlands.mineshaft.MapGenDreadlandsMine;
import com.shinoow.abyssalcraft.common.world.gen.MapGenCavesAC;
import com.shinoow.abyssalcraft.common.world.gen.MapGenCavesDreadlands;
import com.shinoow.abyssalcraft.common.world.gen.MapGenRavineAC;
import com.shinoow.abyssalcraft.lib.ACConfig;
public class ChunkProviderDreadlands implements IChunkGenerator {
private Random rand;
private NoiseGeneratorOctaves noiseGen1;
private NoiseGeneratorOctaves noiseGen2;
private NoiseGeneratorOctaves noiseGen3;
private NoiseGeneratorPerlin noiseGen4;
public NoiseGeneratorOctaves noiseGen5;
public NoiseGeneratorOctaves noiseGen6;
/** Reference to the World object. */
private World worldObj;
private final boolean mapFeaturesEnabled;
private WorldType worldType;
private final double[] field_147434_q;
private final float[] parabolicField;
private double[] stoneNoise = new double[256];
private MapGenBase caveGenerator = new MapGenCavesAC();
private MapGenBase dreadlandsCaveGenerator = new MapGenCavesDreadlands();
private MapGenDreadlandsMine dmGenerator = new MapGenDreadlandsMine();
/** Holds ravine generator */
private MapGenBase ravineGenerator = new MapGenRavineAC();
/** The biomes that are used to generate the chunk */
private Biome[] biomesForGeneration;
double[] doubleArray1;
double[] doubleArray2;
double[] doubleArray3;
double[] doubleArray4;
int[][] field_73219_j = new int[32][32];
{
caveGenerator = TerrainGen.getModdedMapGen(caveGenerator, CAVE);
ravineGenerator = TerrainGen.getModdedMapGen(ravineGenerator, RAVINE);
dreadlandsCaveGenerator = TerrainGen.getModdedMapGen(dreadlandsCaveGenerator, NETHER_CAVE);
}
public ChunkProviderDreadlands(World par1World, long par2, boolean par4)
{
worldObj = par1World;
mapFeaturesEnabled = par4;
worldType = par1World.getWorldInfo().getTerrainType();
rand = new Random(par2);
noiseGen1 = new NoiseGeneratorOctaves(rand, 16);
noiseGen2 = new NoiseGeneratorOctaves(rand, 16);
noiseGen3 = new NoiseGeneratorOctaves(rand, 8);
noiseGen4 = new NoiseGeneratorPerlin(rand, 4);
noiseGen5 = new NoiseGeneratorOctaves(rand, 10);
noiseGen6 = new NoiseGeneratorOctaves(rand, 16);
field_147434_q = new double[825];
parabolicField = new float[25];
for (int j = -2; j <= 2; ++j)
for (int k = -2; k <= 2; ++k)
{
float f = 10.0F / MathHelper.sqrt(j * j + k * k + 0.2F);
parabolicField[j + 2 + (k + 2) * 5] = f;
}
}
public void setBlocksInChunk(int par1, int par2, ChunkPrimer primer)
{
byte b0 = 63;
biomesForGeneration = worldObj.getBiomeProvider().getBiomesForGeneration(biomesForGeneration, par1 * 4 - 2, par2 * 4 - 2, 10, 10);
generateNoise(par1 * 4, 0, par2 * 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 = field_147434_q[k1 + k2];
double d2 = field_147434_q[l1 + k2];
double d3 = field_147434_q[i2 + k2];
double d4 = field_147434_q[j2 + k2];
double d5 = (field_147434_q[k1 + k2 + 1] - d1) * d0;
double d6 = (field_147434_q[l1 + k2 + 1] - d2) * d0;
double d7 = (field_147434_q[i2 + k2 + 1] - d3) * d0;
double d8 = (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)
{
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)
primer.setBlockState(k * 4 + i3, k2 * 8 + l2, j1 * 4 + k3, ACBlocks.dreadstone.getDefaultState());
else if (k2 * 8 + l2 < b0)
primer.setBlockState(k * 4 + i3, k2 * 8 + l2, j1 * 4 + k3, ACBlocks.abyssalnite_stone.getDefaultState());
d10 += d12;
d11 += d13;
}
d1 += d5;
d2 += d6;
d3 += d7;
d4 += d8;
}
}
}
}
}
public void replaceBlocksForBiome(int par1, int par2, ChunkPrimer primer, Biome[] par5BiomeArray)
{
if(!ForgeEventFactory.onReplaceBiomeBlocks(this, par1, par2, primer, worldObj)) return;
double d0 = 0.03125D;
stoneNoise = noiseGen4.getRegion(stoneNoise, par1 * 16, par2 * 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)
{
Biome Biome = par5BiomeArray[l + k * 16];
Biome.genTerrainBlocks(worldObj, rand, primer, par1 * 16 + k, par2 * 16 + l, stoneNoise[l + k * 16]);
}
}
public void genLava(int par1, int par2, ChunkPrimer primer){
for (int j = 0; j < 16; ++j)
for (int k = 0; k < 16; ++k)
{
IBlockState iblockstate = Blocks.LAVA.getDefaultState();
for (int j1 = 32; j1 >= 0; --j1)
if (j1 < 32 && j1 > rand.nextInt(5))
{
IBlockState iblockstate2 = primer.getBlockState(k, j1, j);
if (iblockstate2.getBlock() != null && iblockstate2.getBlock() == Blocks.AIR)
primer.setBlockState(k, j1, j, iblockstate);
}
}
}
/**
* 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
*/
@Override
public Chunk provideChunk(int par1, int par2)
{
rand.setSeed(par1 * 341873128712L + par2 * 132897987541L);
ChunkPrimer primer = new ChunkPrimer();
setBlocksInChunk(par1, par2, primer);
biomesForGeneration = worldObj.getBiomeProvider().getBiomes(biomesForGeneration, par1 * 16, par2 * 16, 16, 16);
replaceBlocksForBiome(par1, par2, primer, biomesForGeneration);
caveGenerator.generate(worldObj, par1, par2, primer);
ravineGenerator.generate(worldObj, par1, par2, primer);
dreadlandsCaveGenerator.generate(worldObj, par1, par2, primer);
genLava(par1, par2, primer);
if (mapFeaturesEnabled)
dmGenerator.generate(worldObj, par1, par2, primer);
Chunk chunk = new Chunk(worldObj, primer, par1, par2);
byte[] abyte1 = chunk.getBiomeArray();
for (int k = 0; k < abyte1.length; ++k)
abyte1[k] = (byte)Biome.getIdForBiome(biomesForGeneration[k]);
chunk.generateSkylightMap();
return chunk;
}
private void generateNoise(int par1, int par2, int par3)
{
doubleArray4 = noiseGen6.generateNoiseOctaves(doubleArray4, par1, par3, 5, 5, 200.0D, 200.0D, 0.5D);
doubleArray1 = noiseGen3.generateNoiseOctaves(doubleArray1, par1, par2, par3, 5, 33, 5, 8.555150000000001D, 4.277575000000001D, 8.555150000000001D);
doubleArray2 = noiseGen1.generateNoiseOctaves(doubleArray2, par1, par2, par3, 5, 33, 5, 684.412D, 684.412D, 684.412D);
doubleArray3 = noiseGen2.generateNoiseOctaves(doubleArray3, par1, par2, par3, 5, 33, 5, 684.412D, 684.412D, 684.412D);
int l = 0;
int i1 = 0;
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;
Biome Biome = biomesForGeneration[j1 + 2 + (k1 + 2) * 10];
for (int l1 = -b0; l1 <= b0; ++l1)
for (int i2 = -b0; i2 <= b0; ++i2)
{
Biome Biome1 = biomesForGeneration[j1 + l1 + 2 + (k1 + i2 + 2) * 10];
float f3 = Biome1.getBaseHeight();
float f4 = Biome1.getHeightVariation();
if (worldType == WorldType.AMPLIFIED && f3 > 0.0F)
{
f3 = 1.0F + f3 * 2.0F;
f4 = 1.0F + f4 * 4.0F;
}
float f5 = parabolicField[l1 + 2 + (i2 + 2) * 5] / (f3 + 2.0F);
if (Biome1.getBaseHeight() > Biome.getBaseHeight())
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 d13 = doubleArray4[i1] / 8000.0D;
if (d13 < 0.0D)
d13 = -d13 * 0.3D;
d13 = d13 * 3.0D - 2.0D;
if (d13 < 0.0D)
{
d13 /= 2.0D;
if (d13 < -1.0D)
d13 = -1.0D;
d13 /= 1.4D;
d13 /= 2.0D;
}
else
{
if (d13 > 1.0D)
d13 = 1.0D;
d13 /= 8.0D;
}
++i1;
double d12 = f1;
double d14 = f;
d12 += d13 * 0.2D;
d12 = d12 * 8.5D / 8.0D;
double d5 = 8.5D + d12 * 4.0D;
for (int j2 = 0; j2 < 33; ++j2)
{
double d6 = (j2 - d5) * 12.0D * 128.0D / 256.0D / d14;
if (d6 < 0.0D)
d6 *= 4.0D;
double d7 = doubleArray2[l] / 512.0D;
double d8 = doubleArray3[l] / 512.0D;
double d9 = (doubleArray1[l] / 10.0D + 1.0D) / 2.0D;
double d10 = MathHelper.clampedLerp(d7, d8, d9) - d6;
if (j2 > 29)
{
double d11 = (j2 - 29) / 3.0F;
d10 = d10 * (1.0D - d11) + -10.0D * d11;
}
field_147434_q[l] = d10;
++l;
}
}
}
/**
* Populates chunk with ores etc etc
*/
@Override
public void populate(int par2, int par3)
{
BlockFalling.fallInstantly = true;
int k = par2 * 16;
int l = par3 * 16;
Biome Biome = worldObj.getBiome(new BlockPos(k + 16, 0, l + 16));
rand.setSeed(worldObj.getSeed());
long i1 = rand.nextLong() / 2L * 2L + 1L;
long j1 = rand.nextLong() / 2L * 2L + 1L;
rand.setSeed(par2 * i1 + par3 * j1 ^ worldObj.getSeed());
boolean flag = false;
ForgeEventFactory.onChunkPopulate(true, this, worldObj, rand, par2, par3, flag);
if (mapFeaturesEnabled)
dmGenerator.generateStructure(worldObj, rand, new ChunkPos(par2, par3));
if(ACConfig.generateShoggothLairs)
for(int i = 0; i < 1; i++) {
int Xcoord2 = k + rand.nextInt(16) + 8;
int Zcoord2 = l + rand.nextInt(16) + 14;
BlockPos pos1 = worldObj.getHeight(new BlockPos(Xcoord2, 0, Zcoord2));
if(worldObj.getBlockState(pos1).getMaterial() == Material.PLANTS) pos1 = pos1.down();
if(rand.nextInt(400) == 0 && !worldObj.isAirBlock(pos1.north(13)) && !worldObj.isAirBlock(pos1.north(20)) && !worldObj.isAirBlock(pos1.north(27)))
new StructureShoggothPit().generate(worldObj, rand, pos1);
}
Biome.decorate(worldObj, rand, new BlockPos(k, 0, l));
ForgeEventFactory.onChunkPopulate(false, this, worldObj, rand, par2, par3, flag);
BlockFalling.fallInstantly = false;
}
/**
* Returns a list of creatures of the specified type that can spawn at the given location.
*/
@Override
@SuppressWarnings("rawtypes")
public List getPossibleCreatures(EnumCreatureType par1EnumCreatureType, BlockPos pos)
{
Biome biome = worldObj.getBiome(pos);
return biome == null ? null : biome.getSpawnableList(par1EnumCreatureType);
}
@Override
public BlockPos getStrongholdGen(World p_147416_1_, String p_147416_2_, BlockPos pos, boolean bool)
{
return null;
}
@Override
public void recreateStructures(Chunk chunk, int par1, int par2)
{
if (mapFeaturesEnabled)
dmGenerator.generate(worldObj, par1, par2, (ChunkPrimer)null);
}
@Override
public boolean generateStructures(Chunk chunkIn, int x, int z) {
return false;
}
}