@EventHandler
    public void onPlayerInteract(PlayerInteractEvent event) {

        if (event.getPlayer().getItemInHand().getType() == Material.FLINT_AND_STEEL) {

            event.setCancelled(true);

            if (event.getClickedBlock().getType() == Material.NETHERRACK) {
                event.setCancelled(false);
            }

            if (event.getClickedBlock().getType() == Material.TNT) {
                event.setCancelled(false);
            }

        }

        if (event.getPlayer().getItemInHand().getType() == Material.INK_SACK) {

            if (event.getClickedBlock().getType() == Material.CROPS) {
                event.setCancelled(true);
            }

            if (event.getClickedBlock().getType() == Material.MELON_STEM) {
                event.setCancelled(true);
            }

            if (event.getClickedBlock().getType() == Material.SAPLING) {
                event.setCancelled(true);
            }

        }

    }