/*******************************************************************************
* 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 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.world.World;
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.NoiseGeneratorOctaves;
import com.shinoow.abyssalcraft.api.block.ACBlocks;
import com.shinoow.abyssalcraft.common.structures.StructureShoggothPit;
import com.shinoow.abyssalcraft.common.structures.omothol.MapGenOmothol;
public class ChunkProviderOmothol implements IChunkGenerator
{
private Random rand;
private NoiseGeneratorOctaves noiseGen1, noiseGen2, noiseGen3, noiseGen4, noiseGen5;
private World worldObj;
private double[] densities;
/** The biomes that are used to generate the chunk */
private Biome[] biomesForGeneration;
double[] noiseData1, noiseData2, noiseData3, noiseData4, noiseData5;
int[][] field_73203_h = new int[32][32];
MapGenOmothol omotholGenerator = new MapGenOmothol();
public ChunkProviderOmothol(World par1World, long par2)
{
worldObj = par1World;
rand = new Random(par2);
noiseGen1 = new NoiseGeneratorOctaves(rand, 16);
noiseGen2 = new NoiseGeneratorOctaves(rand, 16);
noiseGen3 = new NoiseGeneratorOctaves(rand, 8);
noiseGen4 = new NoiseGeneratorOctaves(rand, 10);
noiseGen5 = new NoiseGeneratorOctaves(rand, 16);
// NoiseGenerator[] noiseGens = {noiseGen1, noiseGen2, noiseGen3, noiseGen4, noiseGen5};
// noiseGens = TerrainGen.getModdedNoiseGenerators(par1World, rand, noiseGens);
// noiseGen1 = (NoiseGeneratorOctaves)noiseGens[0];
// noiseGen2 = (NoiseGeneratorOctaves)noiseGens[1];
// noiseGen3 = (NoiseGeneratorOctaves)noiseGens[2];
// noiseGen4 = (NoiseGeneratorOctaves)noiseGens[3];
// noiseGen5 = (NoiseGeneratorOctaves)noiseGens[4];
}
public void setBlocksInChunk(int x, int z, ChunkPrimer primer)
{
int i = 2;
int j = i + 1;
int k = 33;
int l = i + 1;
densities = initializeNoiseField(densities, x * i, 0, z * i, j, k, l);
for (int i1 = 0; i1 < i; ++i1)
for (int j1 = 0; j1 < i; ++j1)
for (int k1 = 0; k1 < 32; ++k1)
{
double d0 = 0.25D;
double d1 = densities[((i1 + 0) * l + j1 + 0) * k + k1 + 0];
double d2 = densities[((i1 + 0) * l + j1 + 1) * k + k1 + 0];
double d3 = densities[((i1 + 1) * l + j1 + 0) * k + k1 + 0];
double d4 = densities[((i1 + 1) * l + j1 + 1) * k + k1 + 0];
double d5 = (densities[((i1 + 0) * l + j1 + 0) * k + k1 + 1] - d1) * d0;
double d6 = (densities[((i1 + 0) * l + j1 + 1) * k + k1 + 1] - d2) * d0;
double d7 = (densities[((i1 + 1) * l + j1 + 0) * k + k1 + 1] - d3) * d0;
double d8 = (densities[((i1 + 1) * l + j1 + 1) * k + k1 + 1] - d4) * d0;
for (int l1 = 0; l1 < 4; ++l1)
{
double d9 = 0.125D;
double d10 = d1;
double d11 = d2;
double d12 = (d3 - d1) * d9;
double d13 = (d4 - d2) * d9;
for (int i2 = 0; i2 < 8; ++i2)
{
double d14 = 0.125D;
double d15 = d10;
double d16 = (d11 - d10) * d14;
for (int j2 = 0; j2 < 8; ++j2)
{
IBlockState iblockstate = null;
if (d15 > 0.0D)
iblockstate = ACBlocks.omothol_stone.getDefaultState();
int k2 = i2 + i1 * 8;
int l2 = l1 + k1 * 4;
int i3 = j2 + j1 * 8;
primer.setBlockState(k2, l2, i3, iblockstate);
d15 += d16;
}
d10 += d12;
d11 += d13;
}
d1 += d5;
d2 += d6;
d3 += d7;
d4 += d8;
}
}
}
public void replaceBlocksForBiome(ChunkPrimer primer)
{
for (int i = 0; i < 16; ++i)
for (int j = 0; j < 16; ++j)
{
int k = 1;
int l = -1;
IBlockState iblockstate = ACBlocks.omothol_stone.getDefaultState();
IBlockState iblockstate1 = ACBlocks.omothol_stone.getDefaultState();
for (int i1 = 127; i1 >= 0; --i1)
{
IBlockState iblockstate2 = primer.getBlockState(i, i1, j);
if (iblockstate2.getMaterial() == Material.AIR)
l = -1;
else if (iblockstate2.getBlock() == Blocks.STONE)
if (l == -1)
{
if (k <= 0)
{
iblockstate = Blocks.AIR.getDefaultState();
iblockstate1 = ACBlocks.omothol_stone.getDefaultState();
}
l = k;
if (i1 >= 0)
primer.setBlockState(i, i1, j, iblockstate);
else
primer.setBlockState(i, i1, j, iblockstate1);
}
else if (l > 0)
{
--l;
primer.setBlockState(i, i1, j, iblockstate1);
}
}
}
}
@Override
public Chunk provideChunk(int x, int z)
{
rand.setSeed(x * 341873128712L + z * 132897987541L);
ChunkPrimer primer = new ChunkPrimer();
biomesForGeneration = worldObj.getBiomeProvider().getBiomes(biomesForGeneration, x * 16, z * 16, 16, 16);
setBlocksInChunk(x, z, primer);
replaceBlocksForBiome(primer);
omotholGenerator.generate(worldObj, x, z, primer);
Chunk chunk = new Chunk(worldObj, primer, x, z);
byte[] abyte = chunk.getBiomeArray();
for (int k = 0; k < abyte.length; ++k)
abyte[k] = (byte)Biome.getIdForBiome(biomesForGeneration[k]);
chunk.generateSkylightMap();
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 x, int y, int z, int xSize, int ySize, int zSize)
{
if(par1ArrayOfDouble == null)
par1ArrayOfDouble = new double[xSize * ySize * zSize];
double d = 684.41200000000003D;
double d1 = 684.41200000000003D;
noiseData4 = noiseGen4.generateNoiseOctaves(noiseData4, x, z, xSize, zSize, 1.121D, 1.121D, 0.5D);
noiseData5 = noiseGen5.generateNoiseOctaves(noiseData5, x, z, xSize, zSize, 200D, 200D, 0.5D);
d *= 2D;
noiseData1 = noiseGen3.generateNoiseOctaves(noiseData1, x, y, z, xSize, ySize, zSize, d / 80D, d1 / 160D, d / 80D);
noiseData2 = noiseGen1.generateNoiseOctaves(noiseData2, x, y, z, xSize, ySize, zSize, d, d1, d);
noiseData3 = noiseGen2.generateNoiseOctaves(noiseData3, x, y, z, xSize, ySize, zSize, d, d1, d);
int k1 = 0;
int l1 = 0;
for(int j2 = 0; j2 < xSize; j2++)
for(int l2 = 0; l2 < zSize; l2++)
{
double d3;
d3 = 0.5D;
double d4 = 1.0D - d3;
d4 *= d4;
d4 *= d4;
d4 = 1.0D - d4;
double d5 = (noiseData4[l1] + 256D) / 512D;
d5 *= d4;
if(d5 > 1.0D)
d5 = 1.0D;
double d6 = noiseData5[l1] / 8000D;
if(d6 < 0.0D)
d6 = -d6 * 0.29999999999999999D;
d6 = d6 * 3D - 2D;
if(d6 > 1.0D)
d6 = 1.0D;
d6 /= 8D;
d6 = 0.0D;
if(d5 < 0.0D)
d5 = 0.0D;
d5 += 0.5D;
d6 = d6 * ySize / 16D;
l1++;
double d7 = ySize / 2D;
for(int j3 = 0; j3 < ySize; j3++)
{
double d8 = 0.0D;
double d9 = (j3 - d7) * 8D / d5;
if(d9 < 0.0D)
d9 *= -1D;
double d10 = noiseData2[k1] / 512D;
double d11 = noiseData3[k1] / 512D;
double d12 = (noiseData1[k1] / 10D + 1.0D) / 2D;
if(d12 < 0.0D)
d8 = d10;
else
if(d12 > 1.0D)
d8 = d11;
else
d8 = d10 + (d11 - d10) * d12;
d8 -= 8D;
int k3 = 32;
if(j3 > ySize - k3)
{
double d13 = (j3 - (ySize - k3)) / (k3 - 1.0F);
d8 = d8 * (1.0D - d13) + -30D * d13;
}
k3 = 8;
if(j3 < k3)
{
double d14 = (k3 - j3) / (k3 - 1.0F);
d8 = d8 * (1.0D - d14) + -30D * d14;
}
par1ArrayOfDouble[k1] = d8;
k1++;
}
}
return par1ArrayOfDouble;
}
// @Override
// public boolean chunkExists(int x, int z)
// {
// return true;
// }
@Override
public void populate(int x, int z)
{
BlockFalling.fallInstantly = true;
int k = x * 16;
int l = z * 16;
Biome Biome = worldObj.getBiome(new BlockPos(k + 16, 0, l + 16));
ChunkPos chunkcoordintpair = new ChunkPos(x, z);
omotholGenerator.generateStructure(worldObj, rand, chunkcoordintpair);
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(200) == 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, worldObj.rand, new BlockPos(k, 0, l));
BlockFalling.fallInstantly = false;
}
@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 par1World, String par2String, BlockPos pos, boolean bool)
{
return null;
}
@Override
public void recreateStructures(Chunk chunk, int x, int z) {
omotholGenerator.generate(worldObj, x, z, null);
}
@Override
public boolean generateStructures(Chunk chunkIn, int x, int z) {
return false;
}
}