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[1.7.2] Custom Dimension Top and Filler Blocks Won't Generate


Eternaldoom

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I have created a custom dimension using Forge. It has a ChunkProvider, a WorldProvider, a custom biome, and its own WorldGenMinable. When the stone material in the chunk provider is set to my custom stone, the custom dirt (which is set as the top and filler blocks for the biome) does not generate. When the stone is set back to vanilla stone, the dirt generates. Does anyone know what could be causing the problem?

 

The ChunkProvider:

 

 

package com.doomturd.doomsmod;

import static net.minecraftforge.event.terraingen.InitMapGenEvent.EventType.CAVE;
import static net.minecraftforge.event.terraingen.InitMapGenEvent.EventType.MINESHAFT;
import static net.minecraftforge.event.terraingen.InitMapGenEvent.EventType.RAVINE;
import static net.minecraftforge.event.terraingen.InitMapGenEvent.EventType.SCATTERED_FEATURE;
import static net.minecraftforge.event.terraingen.InitMapGenEvent.EventType.STRONGHOLD;
import static net.minecraftforge.event.terraingen.InitMapGenEvent.EventType.VILLAGE;
import static net.minecraftforge.event.terraingen.PopulateChunkEvent.Populate.EventType.DUNGEON;
import static net.minecraftforge.event.terraingen.PopulateChunkEvent.Populate.EventType.ICE;
import static net.minecraftforge.event.terraingen.PopulateChunkEvent.Populate.EventType.LAKE;
import static net.minecraftforge.event.terraingen.PopulateChunkEvent.Populate.EventType.LAVA;

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.MapGenBase;
import net.minecraft.world.gen.MapGenCaves;
import net.minecraft.world.gen.MapGenRavine;
import net.minecraft.world.gen.NoiseGenerator;
import net.minecraft.world.gen.NoiseGeneratorOctaves;
import net.minecraft.world.gen.NoiseGeneratorPerlin;
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 net.minecraftforge.common.MinecraftForge;
import net.minecraftforge.event.terraingen.ChunkProviderEvent;
import net.minecraftforge.event.terraingen.PopulateChunkEvent;
import net.minecraftforge.event.terraingen.TerrainGen;
import cpw.mods.fml.common.eventhandler.Event.Result;

public class DoomChunkProvider 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 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];

    {
        caveGenerator = TerrainGen.getModdedMapGen(caveGenerator, CAVE);
        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 DoomChunkProvider(World par1World, long par2, boolean par4)
    {
        this.worldObj = par1World;
        this.mapFeaturesEnabled = par4;
        this.field_147435_p = par1World.getWorldInfo().getTerrainType();
        this.rand = new Random(par2);
        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, ;
        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, ;
        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(par1World, 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] = DoomBlocks.blockDoomedStone;
                                }
                                else if (k2 * 8 + l2 < b0)
                                {
                                    p_147424_3_[j3 += short1] = Blocks.lava;
                                }
                                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_5_);
        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];            }
        }
    }

    /**
     * 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.rand.setSeed((long)par1 * 341873128712L + (long)par2 * 132897987541L);
        Block[] ablock = new Block[65536];
        byte[] abyte = new byte[65536];
        this.func_147424_a(par1, par2, ablock);
        this.biomesForGeneration = this.worldObj.getWorldChunkManager().loadBlockGeneratorData(this.biomesForGeneration, par1 * 16, par2 * 16, 16, 16);
        this.replaceBlocksForBiome(par1, par2, ablock, abyte, this.biomesForGeneration);
        this.caveGenerator.func_151539_a(this, this.worldObj, par1, par2, ablock);
        this.ravineGenerator.func_151539_a(this, this.worldObj, par1, par2, ablock);

        if (this.mapFeaturesEnabled)
        {
            this.mineshaftGenerator.func_151539_a(this, this.worldObj, par1, par2, ablock);
            this.villageGenerator.func_151539_a(this, this.worldObj, par1, par2, ablock);
            this.scatteredFeatureGenerator.func_151539_a(this, this.worldObj, par1, par2, ablock);
        }

        Chunk chunk = new Chunk(this.worldObj, ablock, abyte, par1, par2);
        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.rootHeight;
                        float f4 = biomegenbase1.heightVariation;

                        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.rootHeight > biomegenbase.rootHeight)
                        {
                            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 = this.field_147426_g[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 = (double)f1;
                double d14 = (double)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 = ((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 par1, int par2)
    {
        return true;
    }

    /**
     * Populates chunk with ores etc etc
     */
    public void populate(IChunkProvider par1IChunkProvider, int par2, int par3)
    {
        BlockFalling.fallInstantly = true;
        int k = par2 * 16;
        int l = par3 * 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)par2 * i1 + (long)par3 * j1 ^ this.worldObj.getSeed());
        boolean flag = false;

        MinecraftForge.EVENT_BUS.post(new PopulateChunkEvent.Pre(par1IChunkProvider, worldObj, rand, par2, par3, flag));

        if (this.mapFeaturesEnabled)
        {
            this.mineshaftGenerator.generateStructuresInChunk(this.worldObj, this.rand, par2, par3);
            flag = this.villageGenerator.generateStructuresInChunk(this.worldObj, this.rand, par2, par3);
            this.scatteredFeatureGenerator.generateStructuresInChunk(this.worldObj, this.rand, par2, par3);
        }

        int k1;
        int l1;
        int i2;

        if (biomegenbase != BiomeGenBase.desert && biomegenbase != BiomeGenBase.desertHills && !flag && this.rand.nextInt(4) == 0
            && TerrainGen.populate(par1IChunkProvider, worldObj, rand, par2, par3, 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(par1IChunkProvider, worldObj, rand, par2, par3, flag, LAVA) && !flag && this.rand.nextInt( == 0)
        {
            k1 = k + this.rand.nextInt(16) + 8;
            l1 = this.rand.nextInt(this.rand.nextInt(248) + ;
            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(par1IChunkProvider, worldObj, rand, par2, par3, 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);
        SpawnerAnimals.performWorldGenSpawning(this.worldObj, biomegenbase, k + 8, l + 8, 16, 16, this.rand);
        k += 8;
        l += 8;

        doGen = TerrainGen.populate(par1IChunkProvider, worldObj, rand, par2, par3, 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.func_147478_e(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(par1IChunkProvider, worldObj, rand, par2, par3, 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 par1, IProgressUpdate par2IProgressUpdate)
    {
        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 par1EnumCreatureType, int par2, int par3, int par4)
    {
        BiomeGenBase biomegenbase = this.worldObj.getBiomeGenForCoords(par2, par4);
        return par1EnumCreatureType == EnumCreatureType.monster && this.scatteredFeatureGenerator.func_143030_a(par2, par3, par4) ? this.scatteredFeatureGenerator.getScatteredFeatureSpawnList() : biomegenbase.getSpawnableList(par1EnumCreatureType);
    }

    public int getLoadedChunkCount()
    {
        return 0;
    }

    public void recreateStructures(int par1, int par2)
    {
        if (this.mapFeaturesEnabled)
        {
            this.mineshaftGenerator.func_151539_a(this, this.worldObj, par1, par2, (Block[])null);
            this.villageGenerator.func_151539_a(this, this.worldObj, par1, par2, (Block[])null);
            this.scatteredFeatureGenerator.func_151539_a(this, this.worldObj, par1, par2, (Block[])null);
        }
    }

@Override
public ChunkPosition func_147416_a(World var1, String var2, int var3,
		int var4, int var5)
{
	return null;
}
}

 

 

The biome code:

 

 

package com.doomturd.doomsmod;

import java.util.Random;

import net.minecraft.init.Blocks;
import net.minecraft.world.World;
import net.minecraft.world.biome.BiomeGenBase;

public class BiomeGenDoom extends BiomeGenBase
{
    public BiomeGenDoom(int par1)
    {
        super(par1);
        this.spawnableCreatureList.clear();
        this.topBlock = DoomBlocks.blockDoomedDirt;
        this.fillerBlock = Blocks.stone;
        this.theBiomeDecorator.treesPerChunk = 1;
        this.theBiomeDecorator.deadBushPerChunk = 2;
        this.theBiomeDecorator.reedsPerChunk = 50;
        this.theBiomeDecorator.cactiPerChunk = 10;
        this.spawnableCreatureList.clear();
        this.waterColorMultiplier = 0xE42D17;
        this.setBiomeName("Doomed Land");
    }
}

 

Check out my mod, Realms of Chaos, here.

 

If I helped you, be sure to press the "Thank You" button!

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  • 3 months later...

I know that this thread is no longer used, but I post this for other people having the same problem.

 

So, in your biome class (for ex: BiomeGenTest extending BiomeGenBase) add a function:

 

@Override
public void genTerrainBlocks(World world, Random random, Block[] blocks, byte[] bytes, int int1, int int2, double d) {
        boolean flag = true;
        Block block = this.topBlock;
        byte b0 = (byte)(this.field_150604_aj & 255);
        Block block1 = this.fillerBlock;
        int k = -1;
        int l = (int)(p_150560_7_ / 3.0D + 3.0D + p_150560_2_.nextDouble() * 0.25D);
        int i1 = p_150560_5_ & 15;
        int j1 = p_150560_6_ & 15;
        int k1 = p_150560_3_.length / 256;

        for (int l1 = 255; l1 >= 0; --l1)
        {
            int i2 = (j1 * 16 + i1) * k1 + l1;

            if (l1 <= 0 + p_150560_2_.nextInt(5))
            {
                p_150560_3_[i2] = Blocks.bedrock;
            }
            else
            {
                Block block2 = p_150560_3_[i2];

                if (block2 != null && block2.getMaterial() != Material.air)
                {
                    if (block2 == Blocks.stone)
                    {
                        if (k == -1)
                        {
                            if (l <= 0)
                            {
                                block = null;
                                b0 = 0;
                                block1 = Blocks.stone;
                            }
                            else if (l1 >= 59 && l1 <= 64)
                            {
                                block = this.topBlock;
                                b0 = (byte)(this.field_150604_aj & 255);
                                block1 = this.fillerBlock;
                            }

                            if (l1 < 63 && (block == null || block.getMaterial() == Material.air))
                            {
                                if (this.getFloatTemperature(p_150560_5_, l1, p_150560_6_) < 0.15F)
                                {
                                    block = Blocks.ice;
                                    b0 = 0;
                                }
                                else
                                {
                                    block = Blocks.water;
                                    b0 = 0;
                                }
                            }

                            k = l;

                            if (l1 >= 62)
                            {
                                p_150560_3_[i2] = block;
                                p_150560_4_[i2] = b0;
                            }
                            else if (l1 < 56 - l)
                            {
                                block = null;
                                block1 = Blocks.stone;
                                p_150560_3_[i2] = Blocks.gravel;
                            }
                            else
                            {
                                p_150560_3_[i2] = block1;
                            }
                        }
                        else if (k > 0)
                        {
                            --k;
                            p_150560_3_[i2] = block1;

                            if (k == 0 && block1 == Blocks.sand)
                            {
                                k = p_150560_2_.nextInt(4) + Math.max(0, l1 - 63);
                                block1 = Blocks.sandstone;
                            }
                        }
                    }
                }
                else
                {
                    k = -1;
                }
            }
        }
}

 

Replace Blocks.stone with your custom dimension filler block.

 

Also if you want custom bedrock in your biome you can change Blocks.bedrock to your custom bedrock (make sure it is unbreakable). The same with the gravel and sand (and of course sandstone).

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