GadgetMelonThrower.java

package be.isach.ultracosmetics.cosmetics.gadgets;

import be.isach.ultracosmetics.UltraCosmetics;
import be.isach.ultracosmetics.player.UltraPlayer;
import be.isach.ultracosmetics.cosmetics.type.GadgetType;
import be.isach.ultracosmetics.util.ItemFactory;
import be.isach.ultracosmetics.util.SoundUtil;
import be.isach.ultracosmetics.util.Sounds;
import org.bukkit.Bukkit;
import org.bukkit.Effect;
import org.bukkit.Material;
import org.bukkit.World;
import org.bukkit.entity.Item;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.player.PlayerPickupItemEvent;
import org.bukkit.metadata.FixedMetadataValue;
import org.bukkit.metadata.LazyMetadataValue;
import org.bukkit.potion.PotionEffect;
import org.bukkit.potion.PotionEffectType;
import org.bukkit.scheduler.BukkitRunnable;
import org.bukkit.util.Vector;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.Random;
import java.util.UUID;

/**
 * Represents an instance of a melon thrower gadget summoned by a player.
 *
 * @author iSach
 * @since 08-03-2015
 */
public class GadgetMelonThrower extends Gadget implements Listener {

    private Random random = new Random();
    private Item melon = null;
    private World world = null;

    public GadgetMelonThrower(UltraPlayer owner, UltraCosmetics ultraCosmetics) {
        super(owner, GadgetType.MELONTHROWER, ultraCosmetics);
    }

    @EventHandler
    public void onTakeUpMelon(PlayerPickupItemEvent event) {
        if (event.getItem().hasMetadata("UC#MELONITEM")
                && event.getItem().getTicksLived() > 5
                && affectPlayers) {
            event.getPlayer().addPotionEffect(new PotionEffect(PotionEffectType.SPEED, 5 * 20, 2));
            SoundUtil.playSound(getPlayer().getLocation(), Sounds.BURP, 1.4f, 1.5f);
            event.setCancelled(true);
            event.getItem().remove();
        }
    }

    @Override
    void onRightClick() {
        this.world = getPlayer().getWorld();
        SoundUtil.playSound(getPlayer().getLocation(), Sounds.EXPLODE, 1.4f, 1.5f);
        Item item = getPlayer().getWorld().dropItem(getPlayer().getEyeLocation(), ItemFactory.create(Material.MELON_BLOCK, (byte) 0x0, UUID.randomUUID().toString()));
        item.setPickupDelay(0);
        item.setMetadata("UNPICKABLEUP", new FixedMetadataValue(getUltraCosmetics(), "UC#MELONBLOCK"));
        item.setVelocity(getPlayer().getEyeLocation().getDirection().multiply(1.3d));
        melon = item;
    }

    @Override
    public void onUpdate() {
        try {
            Bukkit.getScheduler().runTask(getUltraCosmetics(), () -> {
                if (melon == null || !melon.isValid()) {
                    return;
                }
                if (melon.isOnGround()) {
                    melon.getWorld().playEffect(melon.getLocation(), Effect.STEP_SOUND, 103);
                    for (int i = 0; i < 8; i++) {
                        final Item newItem = getPlayer().getWorld().dropItem(melon.getLocation(), ItemFactory.create(Material.MELON, (byte) 0x0, UUID.randomUUID().toString()));
                        newItem.setVelocity(new Vector(random.nextDouble() - 0.5, random.nextDouble() / 2.0, random.nextDouble() - 0.5).multiply(0.75D));
                        newItem.setMetadata("UC#MELONITEM", new FixedMetadataValue(getUltraCosmetics(), "UC#MELONTHROWER"));
                        Bukkit.getScheduler().runTaskLaterAsynchronously(getUltraCosmetics(), new BukkitRunnable() {
                            @Override
                            public void run() {
                                if (newItem.isValid()) {
                                    newItem.remove();
                                }
                            }
                        }, 100);
                    }
                    melon.remove();
                    melon = null;
                }
            });
        } catch (Exception exc) {
        }
    }

    @Override
    public void onClear() {
        if (melon != null) {
            melon.remove();
        }

        if (world != null) {
            for (Item i : world.getEntitiesByClass(Item.class)) {
                if(i.hasMetadata("UC#MELONITEM")) {
                    i.remove();
                }
            }
        }

    }

    @Override
    void onLeftClick() {
    }
}