public void buildSurfaces(int p_185937_1_, int p_185937_2_, ChunkPrimer primer)
    {
        if (!net.minecraftforge.event.ForgeEventFactory.onReplaceBiomeBlocks(this, p_185937_1_, p_185937_2_, primer, this.world)) return;
        int i = this.world.getSeaLevel() + 1;
        double d0 = 0.03125D;
        this.slowsandNoise = this.slowsandGravelNoiseGen.generateNoiseOctaves(this.slowsandNoise, p_185937_1_ * 16, p_185937_2_ * 16, 0, 16, 16, 1, 0.03125D, 0.03125D, 1.0D);
        this.gravelNoise = this.slowsandGravelNoiseGen.generateNoiseOctaves(this.gravelNoise, p_185937_1_ * 16, 109, p_185937_2_ * 16, 16, 1, 16, 0.03125D, 1.0D, 0.03125D);
        this.depthBuffer = this.netherrackExculsivityNoiseGen.generateNoiseOctaves(this.depthBuffer, p_185937_1_ * 16, p_185937_2_ * 16, 0, 16, 16, 1, 0.0625D, 0.0625D, 0.0625D);

        for (int j = 0; j < 16; ++j)
        {
            for (int k = 0; k < 16; ++k)
            {
                boolean flag = this.slowsandNoise[j + k * 16] + this.rand.nextDouble() * 0.2D > 0.0D;
                boolean flag1 = this.gravelNoise[j + k * 16] + this.rand.nextDouble() * 0.2D > 0.0D;
                int l = (int)(this.depthBuffer[j + k * 16] / 3.0D + 3.0D + this.rand.nextDouble() * 0.25D);
                int i1 = -1;
                IBlockState iblockstate = NETHERRACK;
                IBlockState iblockstate1 = NETHERRACK;

                for (int j1 = 127; j1 >= 0; --j1)
                {
                    if (j1 < 127 - this.rand.nextInt(5) && j1 > this.rand.nextInt(5))
                    {
                        IBlockState iblockstate2 = primer.getBlockState(k, j1, j);

                        if (iblockstate2.getBlock() != null && iblockstate2.getMaterial() != Material.AIR)
                        {
                            if (iblockstate2.getBlock() == Blocks.NETHERRACK)
                            {
                                if (i1 == -1)
                                {
                                    if (l <= 0)
                                    {
                                        iblockstate = AIR;
                                        iblockstate1 = NETHERRACK;
                                    }
                                    else if (j1 >= i - 4 && j1 <= i + 1)
                                    {
                                        iblockstate = NETHERRACK;
                                        iblockstate1 = NETHERRACK;

                                        if (flag1)
                                        {
                                            iblockstate = GRAVEL;
                                            iblockstate1 = NETHERRACK;
                                        }

                                        if (flag)
                                        {
                                            iblockstate = SOUL_SAND;
                                            iblockstate1 = SOUL_SAND;
                                        }
                                    }

                                    if (j1 < i && (iblockstate == null || iblockstate.getMaterial() == Material.AIR))
                                    {
                                        iblockstate = LAVA;
                                    }

                                    i1 = l;

                                    if (j1 >= i - 1)
                                    {
                                        primer.setBlockState(k, j1, j, iblockstate);
                                    }
                                    else
                                    {
                                        primer.setBlockState(k, j1, j, iblockstate1);
                                    }
                                }
                                else if (i1 > 0)
                                {
                                    --i1;
                                    primer.setBlockState(k, j1, j, iblockstate1);
                                }
                            }
                        }
                        else
                        {
                            i1 = -1;
                        }
                    }
                    else
                    {
                        primer.setBlockState(k, j1, j, BEDROCK);
                    }
                }
            }
        }
    }