private void launcher(World world, Random rand, Cardinal dir, Coord pos) {
    Coord cursor = new Coord(pos);
    WorldGenPrimitive.setBlock(world, cursor, Blocks.redstone_wire);
    cursor.add(Cardinal.reverse(dir));
    WorldGenPrimitive.setBlock(world, cursor, Blocks.redstone_wire);
    cursor.add(Cardinal.reverse(dir));
    Repeater.generate(world, rand, dir, 0, cursor);
    cursor.add(Cardinal.reverse(dir));
    cursor.add(Cardinal.UP);

    Dropper dropper = new Dropper();
    dropper.generate(world, Cardinal.UP, cursor);
    for (int i = 0; i < 8; ++i) {
      dropper.add(world, cursor, i, new ItemStack(Items.dye, 1, i));
    }
    dropper.add(world, cursor, 8, new ItemStack(Items.wooden_hoe));

    cursor.add(Cardinal.UP);
    WorldGenPrimitive.setBlock(world, cursor, Blocks.hopper);
    cursor.add(dir);
    Comparator.generate(world, rand, dir, false, cursor);
    cursor.add(dir);
    WorldGenPrimitive.setBlock(world, cursor, Blocks.redstone_wire);
    cursor.add(dir);
    WorldGenPrimitive.setBlock(world, cursor, Blocks.redstone_wire);
    cursor.add(dir);

    Coord top = new Coord(pos.getX(), 80, pos.getZ());
    while (top.getY() > pos.getY()) {
      top.add(Cardinal.DOWN);
      if (WorldGenPrimitive.getBlock(world, top).getBlock().getMaterial().isSolid()) break;
    }

    if (top.getY() >= 100) return;

    Coord start = new Coord(cursor);
    start.add(Cardinal.UP);

    start.add(dir);
    Coord end = new Coord(start);

    MetaBlock breadboard = new MetaBlock(Blocks.planks);

    boolean torch = false;
    while (end.getY() < top.getY()) {
      if (torch) {
        Torch.generate(world, Torch.REDSTONE, Cardinal.UP, cursor);
      } else {
        breadboard.setBlock(world, cursor);
      }
      torch = !torch;
      cursor.add(Cardinal.UP);
      end.add(Cardinal.UP);
    }

    if (torch) {
      cursor.add(Cardinal.DOWN);
    }

    Dispenser.generate(world, Cardinal.UP, cursor);
    for (int i = 0; i < 9; i++) {
      Dispenser.add(world, cursor, i, Firework.get(rand, 16 + rand.nextInt(16)));
    }

    cursor.add(Cardinal.UP);
    MetaBlock cob = new MetaBlock(Blocks.cobblestone);
    WorldGenPrimitive.fillRectSolid(world, rand, start, end, cob, true, true);
    start.add(Cardinal.reverse(dir), 2);
    end.add(Cardinal.reverse(dir), 2);
    WorldGenPrimitive.fillRectSolid(world, rand, start, end, cob, true, true);
    Cardinal[] orth = Cardinal.getOrthogonal(dir);
    start.add(dir);
    end.add(dir);
    Coord above = new Coord(end);
    above.add(Cardinal.UP, 10);
    List<Coord> tubeEnd = WorldGenPrimitive.getRectSolid(cursor, above);
    MetaBlock air = new MetaBlock(Blocks.air);
    for (Coord c : tubeEnd) {
      if (WorldGenPrimitive.getBlock(world, c).getBlock().getMaterial().isSolid()) {
        air.setBlock(world, c);
      }
    }
    start.add(orth[0]);
    end.add(orth[0]);
    WorldGenPrimitive.fillRectSolid(world, rand, start, end, cob, true, true);
    start.add(orth[1], 2);
    end.add(orth[1], 2);
    WorldGenPrimitive.fillRectSolid(world, rand, start, end, cob, true, true);
  }