Bottomizer snippet

	public static void flatten(Chunk chunk)
	{
		if (current != null)
		{
			// recursion, get out of here!
			return;
		}
		
		current = chunk;

		Environment environment = chunk.getWorld().getEnvironment();
		
		for (x = 0; x < 16; x++)
		{
			for (z = 0; z < 16; z++)
			{
				switch (environment)
				{
					case NETHER:
						nether();
					case NORMAL:
						normal();
					case SKYLANDS:
						skylands();
				}
			}
		}

		current = null;
	}
	
	private static void normal()
	{
		current.getBlock(x, 0, z).setType(Material.BEDROCK);

		for (int y = 1; y < 6; y++)
		{
			Block block = current.getBlock(x, y, z);

			// I want layers 0-5 all bedrock, not only 0, to protect stuff like RuneCraft's waypoints
			// for my underground cities/batcaves!
			if (block.getType() != Material.BEDROCK)
			{
				block.setType(Material.BEDROCK);
			}
		}
	}
	
	private static void nether()
	{
		current.getBlock(x, 127, z).setType(Material.BEDROCK);

		for (int y = 122; y < 127; y++)
		{
			Block block = current.getBlock(x, y, z);

			if (block.getType() == Material.BEDROCK)
			{
				block.setType(Material.NETHERRACK);
			}
		}
	}
	
	private static void skylands()
	{
		if (current.getWorld().getEnvironment() == Environment.SKYLANDS)
		{
			// break out of the for loops
			x = z = 16;
		}
	}