public boolean fuelCheck(Player player, Material single, Material block) { Inventory fuelInventory = getFuelInventory(player); ItemStack rocketBoots = player.getInventory().getBoots(); int fuelCost = 0; switch (rocketBoots.getType()) { case LEATHER_BOOTS: fuelCost = 1 + getBootPowerLevel(rocketBoots); break; case IRON_BOOTS: fuelCost = 2 + getBootPowerLevel(rocketBoots); break; case GOLD_BOOTS: fuelCost = 3 + getBootPowerLevel(rocketBoots); break; case DIAMOND_BOOTS: fuelCost = 4 + getBootPowerLevel(rocketBoots); break; } if (fuelInventory.containsAtLeast(new ItemStack(block), fuelCost)) return true; if (fuelInventory.containsAtLeast(new ItemStack(single), fuelCost)) return true; commonString.messageSend( RocketInit.getPlugin(), player, true, RocketLanguage.FuelRequired(single.name().toLowerCase())); RocketInit.rocketTimeout.add(player.getUniqueId()); new BukkitRunnable() { int c = 5; @Override public void run() { if (c <= 0) { RocketInit.rocketTimeout.remove(player.getUniqueId()); this.cancel(); return; } player.setFlying(false); c--; } }.runTaskTimer(RocketInit.getPlugin(), 0, 20); return false; }