Gun reload system

Hi, i'm making a minigame plugin and trying to make guns, in the first recharge is normal, but, the second forward time decreases very fast.

Video:




Gun class:

Code:java

package com.minigame.guns;
 
import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.Material;
import org.bukkit.Sound;
import org.bukkit.entity.Player;
import org.bukkit.entity.Snowball;
import org.bukkit.event.EventHandler;
import org.bukkit.event.block.Action;
import org.bukkit.event.entity.EntityDamageByEntityEvent;
import org.bukkit.event.player.PlayerInteractEvent;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;
 
import com.minigame.Minigame;
import com.minigame.listeners.MGListener;
import com.minigame.utils.ChatUtilities;
import com.minigame.utils.InventoryUtilities;
 
public class ShotGun extends MGListener {
 
public ShotGun(Minigame pl) {
super(pl);
}
 
int bullets = 2;
int bulletsdisplay = 1;
int countdown = 8;
 
@EventHandler
public void onPlayerInteractEvent(PlayerInteractEvent event){
final Player player = event.getPlayer();
if (event.getAction() == Action.LEFT_CLICK_AIR || event.getAction() == Action.LEFT_CLICK_BLOCK){
if (event.getItem().getType() == Material.GOLD_BARDING){
if (bullets >= 1){
ChatUtilities.sendMessage(player, ChatColor.RED + "Voce ainda nao precisa recarregar!");
}
if (bullets == 0) {
ChatUtilities.sendMessage(player, "Recarregando, aguarde...");
player.playSound(player.getLocation(), Sound.DIG_SNOW, 10, 1);
countdown = 8;
Bukkit.getServer().getScheduler().scheduleSyncRepeatingTask(plugin, new Runnable(){
 
@Override
public void run() {
if (countdown >= 1){
countdown--;
}
if (countdown == 0){
 
if (countdown != -1){
ItemStack is1 = new ItemStack(Material.GOLD_BARDING);
ItemMeta im1 = is1.getItemMeta();
im1.setDisplayName(ChatColor.GREEN + "ShotGun" + ChatColor.GRAY + " [2" + ChatColor.GRAY + "/2]");
is1.setItemMeta(im1);
InventoryUtilities.clearInventory(player);
player.getInventory().addItem(is1);
bullets = 2;
bulletsdisplay = 1;
countdown--;
ChatUtilities.sendMessage(player, "Arma recarregada!");
player.playSound(player.getLocation(), Sound.ANVIL_USE, 10, 1);
 
}}
 
}
 
 
 
 
}, 0l, 20l);
}}}
if (!(event.getAction() == Action.RIGHT_CLICK_AIR)) return;
if (!(event.getItem().getType() == Material.GOLD_BARDING)) return;
if (bullets == 0) return;
event.getPlayer().launchProjectile(Snowball.class);
event.getPlayer().launchProjectile(Snowball.class);
event.getPlayer().launchProjectile(Snowball.class);
event.getPlayer().launchProjectile(Snowball.class);
event.getPlayer().launchProjectile(Snowball.class);
event.getPlayer().launchProjectile(Snowball.class);
event.getPlayer().launchProjectile(Snowball.class);
event.getPlayer().launchProjectile(Snowball.class);
player.playSound(player.getLocation(), Sound.EXPLODE, 10, 1);
player.getItemInHand().setDurability((short) (player.getItemInHand().getDurability() - 10));
ItemStack is = new ItemStack(Material.GOLD_BARDING);
ItemMeta im = is.getItemMeta();
im.setDisplayName(ChatColor.GREEN + "ShotGun" + ChatColor.GRAY + " [" + bulletsdisplay + ChatColor.GRAY + "/2]");
is.setItemMeta(im);
InventoryUtilities.clearInventory(player);
player.getInventory().addItem(is);
bullets--;
bulletsdisplay--;
}
 
@EventHandler
public void onEntityDamage(EntityDamageByEntityEvent event){
if (event.getDamager() instanceof Snowball){
Snowball s = (Snowball) event.getDamager();
if (s.getShooter() instanceof Player){
Player shooter = (Player) s.getShooter();
if (shooter.getItemInHand().getType() == Material.GOLD_BARDING){
event.setDamage(3.0);
shooter.playSound(shooter.getLocation(), Sound.ORB_PICKUP, 10, 1);
}
}
}
 
}}
 

Can anyone help me?
sorry for my english, i'm brazilian

 

Code:java

event.getPlayer().launchProjectile(Snowball.class);
event.getPlayer().launchProjectile(Snowball.class);
event.getPlayer().launchProjectile(Snowball.class);
event.getPlayer().launchProjectile(Snowball.class);
event.getPlayer().launchProjectile(Snowball.class);
event.getPlayer().launchProjectile(Snowball.class);
event.getPlayer().launchProjectile(Snowball.class);
event.getPlayer().launchProjectile(Snowball.class);

Use a loop.
And about reload, pay a look on Lists or Maps and Bukkit scheduler.