private List<Player> smokeEnabledPlayers = new ArrayList<>();

@EventHandler
        public void onParticleBlazePowder(InventoryClickEvent e) {
                Player p = (Player) e.getWhoClicked();
                ItemStack clicked = e.getCurrentItem();
                Inventory inventory = e.getInventory();
                        if (inventory.getName().equals("§cPartikel")) {
                                if(clicked != null) {
                                        if (clicked.getType() == Material.BLAZE_POWDER){
                                                p.closeInventory();
                                                e.setCancelled(true);
						this.smokeEnabledPlayers.add(p);
                                        }
                                }
                        }

        }
@EventHandler
    public void onMove(PlayerMoveEvent event) {
	if (this.smokeEnabledPlayers.contains(event.getPlayer())) {
	        Player player = event.getPlayer();
        	player.getWorld().playEffect(player.getLocation(), Effect.SMOKE, 1);
	}
        }