private void ReplaceBlocksForBiome(int i, int j, byte[] data, Biome[] amobspawnerbase)
		{
			byte byte0 = 64;
			double d = 0.03125D;
			SandNoise = Noise4.GenerateNoiseOctaves(SandNoise, i * 16, j * 16, 0.0D, 16, 16, 1, d, d, 1.0D);
			GravelNoise = Noise4.GenerateNoiseOctaves(GravelNoise, i * 16, 109.0134D, j * 16, 16, 1, 16, d, 1.0D, d);
			StoneNoise = Noise5.GenerateNoiseOctaves(StoneNoise, i * 16, j * 16, 0.0D, 16, 16, 1, d * 2D, d * 2D, d * 2D);
			for (int x = 0; x < 16; x++)
			{
				for (int z = 0; z < 16; z++)
				{
					Biome mobspawnerbase = amobspawnerbase[x + z * 16];
					bool flag = SandNoise[x + z * 16] + Rand.nextDouble() * 0.20000000000000001D > 0.0D;
					bool flag1 = GravelNoise[x + z * 16] + Rand.nextDouble() * 0.20000000000000001D > 3D;
					int i1 = (int)(StoneNoise[x + z * 16] / 3D + 3D + Rand.nextDouble() * 0.25D);
					int j1 = -1;
					byte byte1 = mobspawnerbase.TopBlock;
					byte byte2 = mobspawnerbase.FillerBlock;
					for (int y = 127; y >= 0; y--)
					{
						int l1 = (z * 16 + x) * 128 + y;
						if (y <= 0 + Rand.nextInt(5))
						{
							data[l1] = (byte)BlockData.Blocks.Bedrock;
							continue;
						}
						byte byte3 = data[l1];
						if (byte3 == 0)
						{
							j1 = -1;
							continue;
						}
						if (byte3 != (byte)BlockData.Blocks.Stone)
						{
							continue;
						}
						if (j1 == -1)
						{
							if (i1 <= 0)
							{
								byte1 = 0;
								byte2 = (byte)(byte)BlockData.Blocks.Stone;
							}
							else if (y >= byte0 - 4 && y <= byte0 + 1)
							{
								byte1 = mobspawnerbase.TopBlock;
								byte2 = mobspawnerbase.FillerBlock;
								if (flag1)
								{
									byte1 = 0;
								}
								if (flag1)
								{
									byte2 = (byte)BlockData.Blocks.Gravel;
								}
								if (flag)
								{
									byte1 = (byte)BlockData.Blocks.Sand;
									byte2 = (byte)BlockData.Blocks.Sand;
								}
							}
							if (y < byte0 && byte1 == 0)
							{
								byte1 = (byte)BlockData.Blocks.Water;
							}
							j1 = i1;
							if (y >= byte0 - 1)
							{
								data[l1] = byte1;
							}
							else
							{
								data[l1] = byte2;
							}
							continue;
						}
						if (j1 <= 0)
						{
							continue;
						}
						j1--;
						data[l1] = byte2;
						if (j1 == 0 && byte2 == (byte)BlockData.Blocks.Sand)
						{
							j1 = Rand.nextInt(4);
							byte2 = (byte)BlockData.Blocks.Sandstone;
						}
					}
				}
			}
		}