Guns/Grenades

Code:

---Java---

package fr.algelier.Pluginjava;

import org.bukkit.Bukkit;
import org.bukkit.Effect;
import org.bukkit.Material;
import org.bukkit.entity.Entity;
import org.bukkit.entity.Item;
import org.bukkit.entity.Player;
import org.bukkit.entity.Snowball;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
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.plugin.java.JavaPlugin;
import org.bukkit.potion.PotionEffect;
import org.bukkit.potion.PotionEffectType;

public class Guns extends JavaPlugin implements Listener {

    public Guns(Pluginjava pluginjava) {}
  
    @Override
    public void onEnable(){
        Bukkit.getPluginManager().registerEvents(this, this);
        super.onEnable();
      
    }
  
  
    @EventHandler
    public void onGrenadeLaunch(PlayerInteractEvent e){
      
        Player player = e.getPlayer();
        ItemStack it = e.getItem();
      
        if(it != null){
            if(it.getType() == Material.SLIME_BALL){
                if(it.getType()== Material.BLAZE_POWDER){
                    if(it.getType()== Material.FLINT){
                  
              
                player.getInventory().removeItem(new ItemStack(Material.SLIME_BALL, 1));
                player.updateInventory();
                player.getInventory().removeItem(new ItemStack(Material.BLAZE_POWDER, 1));
                player.updateInventory();
                player.getInventory().removeItem(new ItemStack(Material.FLINT, 1));
                player.updateInventory();
              
            final Item ball = player.getWorld().dropItem(player.getLocation(), new ItemStack (Material.SLIME_BALL, 1));
            ball.setVelocity(player.getEyeLocation().getDirection());
            final Item ball2 = player.getWorld().dropItem(player.getLocation(), new ItemStack(Material.BLAZE_POWDER,1 ));
            ball2.setVelocity(player.getEyeLocation().getDirection());
            final Item ball3 = player.getWorld().dropItem(player.getLocation(), new ItemStack(Material.FLINT));
            ball3.setVelocity(player.getEyeLocation().getDirection());
          
          
          
            Bukkit.getScheduler().runTaskLater(this, new Runnable (){

                @Override
                public void run() {
                    // TODO Auto-generated method stub
                    ball.getWorld().createExplosion(ball.getLocation(), 5f);
                    ball.getWorld().playEffect(ball.getLocation(),Effect.LARGE_SMOKE, 20);
                    ball2.getWorld().playEffect(ball2.getLocation(),Effect.LARGE_SMOKE, 20);
                    ball3.getWorld().playEffect(ball3.getLocation(),Effect.LARGE_SMOKE, 50);
              
              
                    for(Entity entities : ball.getNearbyEntities(5.0, 5.0, 5.0)){
                        if(entities instanceof Player){
                            Player p = (Player) entities;
                            p.addPotionEffect(new PotionEffect(PotionEffectType.BLINDNESS, 120, 5));
                          
                            for(Entity entities1 : ball2.getNearbyEntities(5.0, 5.0, 5.0)){
                                if(entities1 instanceof Player){
                                    p.addPotionEffect(new PotionEffect(PotionEffectType.POISON, 120, 2));
                                  
                                  
                                    for(Entity entites2 : ball3.getNearbyEntities(6.0, 6.0, 6.0)){
                                        if(entites2 instanceof Player){
                                            p.addPotionEffect(new PotionEffect(PotionEffectType.CONFUSION, 120, 2));
                                          
                                          
                                          
                                        }
                                    }
                                }
                              
                            }
                        }
                    }
                  
                    ball.remove();
                    ball2.remove();
                    ball3.remove();
                  
                }
              
            },100);
          
      
          
          
          
            }}}}
      
      
      
      
                }
  
  


    @EventHandler
    public void onDamage(EntityDamageByEntityEvent e){
    if(e.getDamager() instanceof Snowball){
        Snowball s = (Snowball) e.getDamager();
      
        if(s.getShooter() instanceof Player){
            Player shooter = (Player) s.getShooter();
          
            if(shooter.getItemInHand().getType() == Material.DIAMOND_HOE){
                e.setDamage(10);
            }
              
        }
      
    }
    }
  
  
    @EventHandler
    public void onPInteract(PlayerInteractEvent e){
        Player p = e.getPlayer();
        if(e.getItem()!= null){
        if(e.getItem().getType() == Material.DIAMOND_HOE){
          
    if(e.getAction() == Action.RIGHT_CLICK_AIR){
    if(p.getInventory().contains(Material.SNOW_BALL)){
        p.launchProjectile(Snowball.class);
        p.getInventory().removeItem(new ItemStack(Material.DIAMOND, 1));
    p.updateInventory();
  
    }else{
            p.sendMessage("Out of §4Ammo !");
        }
    }
    }
    }
  
      
        if(e.getAction() == Action.LEFT_CLICK_AIR){
            if(p.hasPotionEffect(PotionEffectType.SLOW)){
                p.removePotionEffect(PotionEffectType.SLOW);
            }else {
                p.addPotionEffect(new PotionEffect(PotionEffectType.SLOW, 999999, 15));
            }
          
        }
    }
  
  
  

}