LuckyChests.java

package net.sf.l2j.gameserver.custom.events.luckychest;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.concurrent.Future;
import java.util.logging.Logger;

import net.sf.l2j.commons.random.Rnd;

import net.sf.l2j.gameserver.custom.events.Event;
import net.sf.l2j.gameserver.data.NpcTable;
import net.sf.l2j.gameserver.model.L2Spawn;
import net.sf.l2j.gameserver.model.WorldObject;
import net.sf.l2j.gameserver.model.actor.Npc;
import net.sf.l2j.gameserver.model.actor.instance.Player;
import net.sf.l2j.gameserver.model.actor.template.NpcTemplate;
import net.sf.l2j.gameserver.model.location.SpawnLocation;
import net.sf.l2j.gameserver.util.Broadcast;

/**
 * @author LordPanic
 *
 */
public class LuckyChests
{
    private static final Logger _log = Logger.getLogger(WorldObject.class.getName());
    private final List<Npc> _boxList = new ArrayList<>();

    private final static int boxID = 50062;

    //add the item to give for reward
    private final static int rewardItemID = 0;
    //add the quantity of reward items
    private final static int itemQuantity = 0;

    //lucky chests spawn locs currently 4, add as many as u want.
    private static final SpawnLocation[] BOX_SPAWNS =
    {
        new SpawnLocation(82648 + Rnd.get(-30, 30), 148344 + Rnd.get(-30, 30), -3464, 0),
        new SpawnLocation(82648 + Rnd.get(-30, 30), 148344 + Rnd.get(-30, 30), -3464, 0),
        new SpawnLocation(82648 + Rnd.get(-30, 30), 148344 + Rnd.get(-30, 30), -3464, 0),
        new SpawnLocation(82648 + Rnd.get(-30, 30), 148344 + Rnd.get(-30, 30), -3464, 0)
    };

    public static LuckyChests getInstance()
    {
        return SingletonHolder._instance;
    }


    public void start()
    {
        startSpawns();
    }

    public void stop()
    {
        deleteSpawns();
    }

    public void soloRewards(Player player)
    {
        player.getInventory().addItem("Lucky Chest", rewardItemID, itemQuantity, player, player);
    }

    public void startSpawns()
    {
        for (SpawnLocation loc : BOX_SPAWNS)
        {
            try {
                final NpcTemplate template = NpcTable.getInstance().getTemplate(boxID);
                final L2Spawn spawn = new L2Spawn(template);
                spawn.setLoc(loc.getX(),loc.getY(),loc.getZ(), 0);
                final Npc mob = spawn.doSpawn(true);
                mob.setIsInvul(true);
                _boxList.add(mob);
                }catch(Exception e) {
                    _log.info("[Lucky Chest]: Couldn't spawn Lucky Box's.");
                }
        }
        Broadcast.announceToOnlinePlayers("[Lucky Chest]: Spawned ["+_boxList.size()+"].", true);
    }


    public void deleteSpawns()
    {
        for (Npc chest : _boxList) {
            chest.deleteMe();
        }
        _boxList.clear();
    }

    public void removeluckyBox(int boxid) {
        for(Iterator<Npc> iterator = _boxList.iterator(); iterator.hasNext();) {
            Npc mob = iterator.next();
            if(mob.getObjectId() == boxid) {
                iterator.remove();
                Broadcast.announceToOnlinePlayers("[Lucky Chest]: ["+_boxList.size()+"] left.", true);
            }
            //TODO if(_boxList.isEmpty()){ teleport players back and end the event }
        }
    }

    private static class SingletonHolder
    {
        protected static final LuckyChests _instance = new LuckyChests();
    }

}