Freya

/*
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package instances.Freya;

import java.util.Calendar;
import java.util.List;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
import java.util.logging.Level;

import javolution.util.FastList;

import com.l2jserver.gameserver.ai.CtrlIntention;
import com.l2jserver.gameserver.model.holders.SkillHolder;
import com.l2jserver.gameserver.instancemanager.InstanceManager;
import com.l2jserver.gameserver.instancemanager.InstanceManager.InstanceWorld;
import com.l2jserver.gameserver.model.L2CharPosition;
import com.l2jserver.gameserver.model.L2CommandChannel;
import com.l2jserver.gameserver.model.L2Party;
import com.l2jserver.gameserver.model.L2Spawn;
import com.l2jserver.gameserver.model.L2World;
import com.l2jserver.gameserver.model.Location;
import com.l2jserver.gameserver.model.actor.L2Attackable;
import com.l2jserver.gameserver.model.actor.L2Npc;
import com.l2jserver.gameserver.model.actor.instance.L2GuardInstance;
import com.l2jserver.gameserver.model.actor.instance.L2PcInstance;
import com.l2jserver.gameserver.model.entity.Instance;
import com.l2jserver.gameserver.model.quest.Quest;
import com.l2jserver.gameserver.model.quest.QuestState;
import com.l2jserver.gameserver.model.quest.State;
import com.l2jserver.gameserver.network.NpcStringId;
import com.l2jserver.gameserver.network.SystemMessageId;
import com.l2jserver.gameserver.network.clientpackets.Say2;
import com.l2jserver.gameserver.network.serverpackets.ExChangeAreaState;
import com.l2jserver.gameserver.network.serverpackets.ExSendUIEvent;
import com.l2jserver.gameserver.network.serverpackets.ExShowScreenMessage;
import com.l2jserver.gameserver.network.serverpackets.NpcSay;
import com.l2jserver.gameserver.network.serverpackets.OnEventTrigger;
import com.l2jserver.gameserver.network.serverpackets.SystemMessage;
import com.l2jserver.gameserver.taskmanager.DecayTaskManager;
import com.l2jserver.gameserver.util.Broadcast;
import com.l2jserver.gameserver.util.Util;
import com.l2jserver.util.Rnd;

/**
 ** @author Gnacik, Gladicek
 *  TODO: Glaciers, Ice Queen Castle room animation (we currently have only "blizzard" effect)
 */

public class Freya extends Quest
{
    // Debug
    private static final boolean DEBUG = false;

    // Instance template ID
    private static final int[] TEMPLATE_ID =
    {
        139
    };

    // Instance limits
    private static final int MIN_PLAYERS = 9;
    private static final int MAX_PLAYERS = 27;
    private static final int MIN_LEVEL = 82;

    // NPC's
    private static final int JINIA = 32781; // ENTER
    private static final int SIRRA = 32762; // DOOR OPENER
    private static final int KEGOR_EXIT = 49302; // EXIT

    // Skills
    private static SkillHolder JINIA_PRAYER = new SkillHolder(6288, 1);
    private static SkillHolder KEGOR_COURAGE = new SkillHolder(6289, 1);
    private static SkillHolder ETERNAL_BLIZZARD1 = new SkillHolder(6274, 1);
    private static SkillHolder ETERNAL_BLIZZARD2 = new SkillHolder(6275, 1);
    // Epic one with client animation
    // private static SkillHolder ETERNAL_BLIZZARD3 = new SkillHolder(6276, 1);
    // Monsters
    private static final int[] MOBS =
    {
        29177,
        29178,
        29179,
        29180,
        18854,
        18855,
        18856,
        25699,
        25700
    };
    // Doors for Room Animation
    private static int[] emmiters =
    {
        23140202,
        23140204,
        23140206,
        23140208,
        23140212,
        23140214,
        23140216
    };

    // Room Animation
    private static int decoration = 0;

    // Teleport Coord
    private static final Location TELE_EXIT = new Location(115717, -125734, -3392);
    private static final Location TELE_IN_BATLE = new Location(114694, -113700, -11200);
    private static final Location[] TELE_ENTER =
    {
        new Location(114185, -112435, -11210),
        new Location(114183, -112280, -11210),
        new Location(114024, -112435, -11210),
        new Location(114024, -112278, -11210),
        new Location(113865, -112435, -11210),
        new Location(113865, -112276, -11210)
    };

    // Timers
    private static final int TIMER_FIRST_MOVIE = 60000;
    private static final int TIMER_GLAKIAS = 100000;
    private static final int TIMER_BREATHS = 30000;
    // Movies
    private static final int MOVIE_START = 15;
    private static final int MOVIE_SECOND = 16;
    private static final int MOVIE_FREYA = 17;
    private static final int MOVIE_KEGOR = 18;
    private static final int MOVIE_DEATH = 19;
    private static final int MOVIE_FINAL = 20;
    private static final int MOVIE_GLAKIAS = 23;

    // Spawns
    private static final Location[] MONUMENTS =
    {
        new Location(113845, -116091, -11168, 8264),
        new Location(113381, -115622, -11168, 8264),
        new Location(113380, -113978, -11168, -8224),
        new Location(113845, -113518, -11168, -8224),
        new Location(115591, -113516, -11168, -24504),
        new Location(116053, -113981, -11168, -24504),
        new Location(116061, -115611, -11168, 24804),
        new Location(115597, -116080, -11168, 24804),
        new Location(112942, -115480, -10960, 52),
        new Location(112940, -115146, -10960, 52),
        new Location(112945, -114453, -10960, 52),
        new Location(112945, -114123, -10960, 52),
        new Location(116497, -114117, -10960, 32724),
        new Location(116499, -114454, -10960, 32724),
        new Location(116501, -115145, -10960, 32724),
        new Location(116502, -115473, -10960, 32724)
    };

    private static final Location[] SPAWNS =
    {
        new Location(114713, -115109, -11202, 16456),
        new Location(114008, -115080, -11202, 3568),
        new Location(114422, -115508, -11202, 12400),
        new Location(115023, -115508, -11202, 20016),
        new Location(115459, -115079, -11202, 27936)
    };

    private class FreyaWorld extends InstanceWorld
    {
        public Lock lock = new ReentrantLock();
        public List<L2PcInstance> PlayersInInstance = new FastList<>();
        public boolean showed = false;
        public boolean screen_message = false;
        public boolean screen_message2 = false;
        public boolean screen_message3 = false;

        int id_freya_first;
        int id_freya_second;
        int id_freya_last;
        int id_glakias;
        int id_ice_knight;
        int id_arch_breath;
        int id_kegor;
        int id_jinia;
        FastList<L2Npc> allmobs = null;
        FastList<L2Npc> monuments = null;
        L2Npc freya;
        L2Npc kegor;
        L2Npc jinia;
        L2Npc kegor_exit;
        L2Npc freya_exit;

        public FreyaWorld()
        {
            allmobs = new FastList<>();
            monuments = new FastList<>();
            id_freya_first = 0;
            id_freya_second = 0;
            id_freya_last = 0;
            id_glakias = 0;
            id_ice_knight = 0;
            id_arch_breath = 0;
            id_kegor = 0;
            id_jinia = 0;
        }
    }

    @Override
    public final String onAdvEvent(String event, L2Npc npc, L2PcInstance player)
    {

        if (DEBUG)
            _log.info(getName() + "onAdvEvent=" + event);

        InstanceWorld wrld = null;
        if (npc != null)
            wrld = InstanceManager.getInstance().getWorld(npc.getInstanceId());
        else if (player != null)
            wrld = InstanceManager.getInstance().getPlayerWorld(player);
        else
        {
            _log.warning("Freya: onAdvEvent : Unable to get world.");
            return null;
        }

        if (wrld != null && wrld instanceof FreyaWorld)
        {
            FreyaWorld world = (FreyaWorld) wrld;

            if (event.equalsIgnoreCase("opendoor") && world.status == 0)
            {
                // Set status
                world.status = 1;
                // Open Door
                InstanceManager.getInstance().getInstance(world.instanceId).getDoor(23140101).openMe();
                // Schedule Movie
                startQuestTimer("stage_1_movie", TIMER_FIRST_MOVIE, npc, null);
                // If you are using GMChar to test, you can skip parts here and schedule
                // some next timer not stage_1_movie
                // startQuestTimer("stage_3_begin", TIMER_FIRST_MOVIE, npc, null);
            }
            else if (event.equalsIgnoreCase("teletofreya"))
            {
                teleportPlayer(player, TELE_IN_BATLE, world.instanceId);
            }
            else if (event.equalsIgnoreCase("exit"))
            {
                teleportPlayer(player, TELE_EXIT, 0);
            }
            else if (event.equalsIgnoreCase("knight_pillar") && npc != null)
            {
                npc.setDisplayEffect(1);
            }
            else if (event.equalsIgnoreCase("random_first_attack") && npc != null)
            {
                if (!world.monuments.isEmpty())
                {
                    if (world.status < 6 && world.monuments.contains(npc))
                        return null;

                    if (world.status == 6 && world.monuments.contains(npc))
                        npc.setDisplayEffect(2);

                    int playerId = world.allowed.get(Rnd.get(world.allowed.size()));
                    L2PcInstance victim = L2World.getInstance().getPlayer(playerId);
                    if (victim != null && victim.isOnline() && victim.getInstanceId() == world.instanceId && (!(victim.isDead() || victim.isGM() || victim.isInvul() || victim.getAppearance().getInvisible())) && !npc.isDead() && !npc.isImmobilized() && npc.getAI().getIntention() == CtrlIntention.AI_INTENTION_ACTIVE)
                    {
                        ((L2Attackable) npc).addDamageHate(victim, 0, 99);
                        npc.setIsRunning(true);
                        npc.setTarget(victim);
                        npc.getAI().setIntention(CtrlIntention.AI_INTENTION_ATTACK, victim, null);
                    }
                    else
                        startQuestTimer("random_first_attack", Rnd.get(1000, 2000), npc, null);
                }
                else
                {
                    // Monuments are always in battle time
                    // If world.monuments is empty just delete npc, should not be happend
                    if (npc.getNpcId() == world.id_glakias || npc.getNpcId() == world.id_arch_breath)
                        npc.deleteMe();
                }
            }
            else if (event.equalsIgnoreCase("stage_1_movie"))
            {
                // Stop players before movie
                stopPc(world);
                // Show movie
                showMovie(world, MOVIE_START);
                // Close Door
                InstanceManager.getInstance().getInstance(world.instanceId).getDoor(23140101).closeMe();
                startQuestTimer("stage_1_begin", 53500 + 1000, npc, null);
            }
            else if (event.equalsIgnoreCase("stage_1_begin"))
            {
                // Set status
                world.status = 2;
                // Spawn monuments
                spawnMonuments(world);
                // Spawn boos
                world.freya = addSpawn(world.id_freya_first, 114720, -117085, -11088, 15956, false, 0, true, world.instanceId);
                // Begin stage 1
                ExShowScreenMessage message1 = new ExShowScreenMessage(NpcStringId.BEGIN_STAGE_1, 2, 7000);
                sendScreenMessage(world, message1);
                // Move freya
                startQuestTimer("freya_move", 2000, world.freya, null, false);
                // start ai for cast skill
                startQuestTimer("cast_skill", 15000, world.freya, null, false);
            }
            else if (event.equalsIgnoreCase("freya_move"))
            {
                ExShowScreenMessage message2 = new ExShowScreenMessage(NpcStringId.FREYA_HAS_STARTED_TO_MOVE, 2, 5000);
                sendScreenMessage(world, message2);
                // Initialize movement
                world.freya.setIsRunning(true);
                world.freya.getAI().setIntention(CtrlIntention.AI_INTENTION_MOVE_TO, new L2CharPosition(114717, -114973, -11200, 0));
                world.freya.getSpawn().setLocx(114717);
                world.freya.getSpawn().setLocy(-114973);
                world.freya.getSpawn().setLocz(-11200);
                // Spawn Knights
                spawnMobs(world, world.id_ice_knight);
            }
            else if (event.equalsIgnoreCase("cast_skill"))
            {
                ExShowScreenMessage message3 = new ExShowScreenMessage(NpcStringId.STRONG_MAGIC_POWER_CAN_BE_FELT_FROM_SOMEWHERE, 2, 4000);
                sendScreenMessage(world, message3);
                world.freya.doCast(ETERNAL_BLIZZARD1.getSkill());
                startQuestTimer("cast_skill", 60000, world.freya, null, false);
            }
            else if (event.equalsIgnoreCase("cast_skill_3stage"))
            {
                ExShowScreenMessage message4 = new ExShowScreenMessage(NpcStringId.STRONG_MAGIC_POWER_CAN_BE_FELT_FROM_SOMEWHERE, 2, 4000);
                sendScreenMessage(world, message4);
                world.freya.doCast(ETERNAL_BLIZZARD2.getSkill());
                startQuestTimer("cast_skill_3stage", 60000, world.freya, null, false);
            }
            else if (event.equalsIgnoreCase("stage_1_final_movie"))
            {
                cancelQuestTimer("cast_skill", npc, null);
                // Delete freya
                world.freya.deleteMe();
                // Despawn mobs
                despawnAll(world);
                // Stop players before movie
                stopPc(world);
                // Show movie
                showMovie(world, MOVIE_SECOND);
                startQuestTimer("stage_1_pause", 21100 + 1000, npc, null);
            }
            else if (event.equalsIgnoreCase("stage_1_pause"))
            {
                // Spawn boss upstairs
                L2Npc freya = addSpawn(world.id_freya_second, 114723, -117502, -10672, 15956, false, 0, true, world.instanceId);
                freya.setIsImmobilized(true);
                freya.setIsInvul(true);
                freya.disableCoreAI(true);
                freya.disableAllSkills();
                world.freya = freya;
                // Set world status
                world.status = 4;
                // Despawn monuments
                despawnMonuments(world);
                // 1 min pause for rebuff
                showTimer(world, false);
                // Start Stage 2
                startQuestTimer("stage_2_begin", 60000, npc, null);
            }
            else if (event.equalsIgnoreCase("stage_2_begin"))
            {
                // Set world status
                world.status = 5;
                // Begin stage 2
                ExShowScreenMessage message5 = new ExShowScreenMessage(NpcStringId.BEGIN_STAGE_2, 2, 7000);
                sendScreenMessage(world, message5);
                // Spawn monuments
                spawnMonuments(world);
                // Spawn Knights
                spawnMobs(world, world.id_ice_knight);
                // 4 min to Glakias spawn
                startQuestTimer("stage_2_glakias_movie", TIMER_GLAKIAS, npc, null);
                // 2 min to Breaths spawn
                startQuestTimer("stage_2_breaths", TIMER_BREATHS, npc, null);
            }
            else if (event.equalsIgnoreCase("stage_2_breaths"))
            {
                // Disable new spawns for knights
                for (L2Npc knight : world.allmobs)
                    knight.getSpawn().stopRespawn();
                // Spawn Breaths
                spawnMobs(world, world.id_arch_breath);
            }
            else if (event.equalsIgnoreCase("stage_2_glakias_movie"))
            {
                showMovie(world, MOVIE_GLAKIAS);
                startQuestTimer("stage_2_glakias_spawn", 7000 + 1000, npc, null);
            }
            else if (event.equalsIgnoreCase("stage_2_glakias_spawn"))
            {

                addSpawn(world.id_glakias, 114707, -114799, -11199, 15956, false, 0, true, world.instanceId);
            }
            else if (event.equalsIgnoreCase("stage_2_pause"))
            {
                // Despawn mobs
                despawnAll(world);
                // Despawn monuments
                despawnMonuments(world);
                // 1 min pause for rebuff
                showTimer(world, false);
                // Start Stage 3
                startQuestTimer("stage_3_movie", 60000, npc, null);
            }
            else if (event.equalsIgnoreCase("stage_3_movie"))
            {
                // Delete freya
                world.freya.deleteMe();
                // Show movie
                showMovie(world, MOVIE_FREYA);
                // Begin Stage 3
                startQuestTimer("stage_3_begin", 21500 + 1000, npc, null);
            }
            else if (event.equalsIgnoreCase("stage_3_begin"))
            {
                // Turn on room animation
                ExChangeAreaState as = new ExChangeAreaState(decoration, 2);
                Broadcast.toPlayersInInstance(as, world.instanceId);
                for (int emitter : emmiters)
                {
                    OnEventTrigger et = new OnEventTrigger(emitter, false);
                    Broadcast.toPlayersInInstance(et, world.instanceId);
                }
                // Spawn monuments
                spawnMonuments(world);
                // Spawn Freya
                world.freya = addSpawn(world.id_freya_last, 114720, -117085, -11088, 15956, false, 0, true, world.instanceId);
                // Begin stage 2
                ExShowScreenMessage message6 = new ExShowScreenMessage(NpcStringId.BEGIN_STAGE_3, 2, 7000);
                sendScreenMessage(world, message6);
                // Spawn Knights
                spawnMobs(world, world.id_arch_breath);
                // Add monument timers
                startQuestTimer("stage_3_monuments", 60000, npc, null);
                // start ai for cast skill
                startQuestTimer("cast_skill_3stage", 15000, world.freya, null, false);
            }
            else if (event.equalsIgnoreCase("stage_3_monuments"))
            {
                // Set status
                world.status = 6;
                // Monuments start move
                for (L2Npc monument : world.monuments)
                {
                    monument.getSpawn().stopRespawn();
                    monument.setIsImmobilized(false);
                    monument.setIsInvul(false);
                    monument.enableAllSkills();
                    monument.disableCoreAI(false);
                    startQuestTimer("random_first_attack", Rnd.get(1000, 10000), monument, null);
                }
            }
            else if (event.equalsIgnoreCase("finish_world"))
            {
                cancelQuestTimer("player_buff", npc, null);
                cancelQuestTimer("cast_skill_3stage", npc, null);
                cancelQuestTimer("check_for_enemies", npc, null);
                // Despawn mobs
                despawnAll(world);
                // Despawn monuments
                despawnMonuments(world);
                // Begin Movie 2
                startQuestTimer("finish_world2", 100, npc, null);
            }
            else if (event.equalsIgnoreCase("buff_support"))
            {
                startWorld(world);
                startQuestTimer("cast_skill_3stage", 15000, npc, null);
                ExShowScreenMessage message7 = new ExShowScreenMessage(NpcStringId.BEGIN_STAGE_4, 2, 7000);
                sendScreenMessage(world, message7);
                world.kegor = addSpawn(world.id_kegor, 114659, -114796, -11205, 0, false, 0, true, world.instanceId);
                world.jinia = addSpawn(world.id_jinia, 114751, -114781, -11205, 0, false, 0, true, world.instanceId);
                world.kegor.setIsInvul(true);
                world.kegor.setIsRunning(true);
                world.jinia.setIsInvul(true);
                world.jinia.setIsRunning(true);
                startQuestTimer("player_buff", 3000, npc, null);
                startQuestTimer("check_for_enemies", 5000, npc, null);
            }
            else if (event.equalsIgnoreCase("player_buff"))
            {
                world.kegor.doCast(KEGOR_COURAGE.getSkill());
                world.jinia.doCast(JINIA_PRAYER.getSkill());
                startQuestTimer("player_buff", 30000, npc, null);
            }
            else if (event.equalsIgnoreCase("finish_world2"))
            {
                world.kegor.deleteMe();
                world.jinia.deleteMe();
                despawnAll(world);
                // Show movie 2
                showMovie(world, MOVIE_DEATH);
                // Spawn exit NPC + Freya (dying)
                startQuestTimer("spawn_exit", 500, npc, null);
                // Set 5 min time
                Instance inst = InstanceManager.getInstance().getInstance(world.instanceId);
                if (inst != null)
                    inst.setDuration(300000);
            }
            else if (event.equalsIgnoreCase("finish_world3"))
            {
                // Show movie 3
                showMovie(world, MOVIE_FINAL);
                questSupport2(npc, player);
                world.kegor_exit.deleteMe();
                world.freya_exit.deleteMe();

            }
            else if (event.equalsIgnoreCase("spawn_exit"))
            {
                world.kegor_exit = addSpawn(KEGOR_EXIT, 114659, -114796, -11205, 0, false, 0, true, world.instanceId);
                world.freya_exit = addSpawn(world.id_freya_last, 114785, -114789, -11206, 0, false, 0, true, world.instanceId);
                world.freya_exit.setIsImmobilized(true);
                world.freya_exit.setIsInvul(true);
                world.freya_exit.doDie(world.freya_exit);
                DecayTaskManager.getInstance().cancelDecayTask(world.freya_exit);
                world.freya_exit.getAI().setIntention(CtrlIntention.AI_INTENTION_IDLE);
                world.freya_exit.disableCoreAI(true);
                world.freya_exit.disableAllSkills();
            }
            else if (event.equalsIgnoreCase("check_for_enemies"))
            {
                {
                    ((L2GuardInstance) world.kegor).addDamageHate(world.freya, 0, 10000);
                    ((L2GuardInstance) world.kegor).getAI().setIntention(CtrlIntention.AI_INTENTION_ATTACK, world.freya, null);
                    ((L2GuardInstance) world.jinia).addDamageHate(world.freya, 0, 10000);
                    ((L2GuardInstance) world.jinia).getAI().setIntention(CtrlIntention.AI_INTENTION_ATTACK, world.freya, null);
                }

                startQuestTimer("check_for_enemies", 5000, npc, null);
            }
        }
        else if (npc != null  && npc.getNpcId() == JINIA && Util.isDigit(event) && Util.contains(TEMPLATE_ID, Integer.valueOf(event)))
        {
            try
            {
                enterInstance(player, Integer.valueOf(event));
            }
            catch (Exception e)
            {
                _log.log(Level.WARNING, e.getMessage(), e);
            }
            return null;
        }
        return null;
    }

    private void sendScreenMessage(FreyaWorld world, ExShowScreenMessage message)
    {
        for (int objId : world.allowed)
        {
            L2PcInstance player = L2World.getInstance().getPlayer(objId);
            if (player != null)
                player.sendPacket(message);
        }
    }

    @Override
    public final String onAttack(L2Npc npc, L2PcInstance attacker, int damage, boolean isPet)
    {
        if (npc == null || attacker == null)
            return null;

        final InstanceWorld tmpWorld = InstanceManager.getInstance().getWorld(npc.getInstanceId());
        if (tmpWorld instanceof FreyaWorld)
        {
            final FreyaWorld world = (FreyaWorld) tmpWorld;
            // First freya
            if (world.status == 2 && npc.getNpcId() == world.id_freya_first)
            {
                if (npc.getCurrentHp() < (npc.getMaxHp() * 0.1))
                {
                    if (world.lock.tryLock())
                    {
                        try
                        {
                            world.status = 3;
                            startQuestTimer("stage_1_final_movie", 1000, npc, attacker);
                        }
                        finally
                        {
                            world.lock.unlock();
                        }
                    }
                }
            }
            else if (npc.getNpcId() == world.id_ice_knight && npc.getDisplayEffect() == 1)
            {
                if (npc.getCurrentHp() < (npc.getMaxHp() * 0.3))
                    npc.setDisplayEffect(2);
            }
            else if (npc.getNpcId() == world.id_freya_last)
            {
                if (npc.getCurrentHp() < (npc.getMaxHp() * 0.25) && !world.showed)
                {
                    world.showed = true;
                    stopWorld(world);
                    // Show Movie 4
                    showMovie(world, MOVIE_KEGOR);
                    startQuestTimer("buff_support", 27000 + 200, npc, null);
                    cancelQuestTimer("cast_skill_3stage", npc, null);
                }
            }
            else if (npc.getNpcId() == world.id_glakias)
            {
                if (npc.getCurrentHp() < (npc.getMaxHp() * 0.2) && !world.screen_message)
                {
                    world.screen_message = true;
                    npc.broadcastPacket(new NpcSay(npc.getObjectId(), Say2.NPC_SHOUT, npc.getNpcId(), NpcStringId.I_CAN_TAKE_IT_NO_LONGER));
                }
                if (npc.getCurrentHp() < (npc.getMaxHp() * 0.4) && !world.screen_message)
                {
                    world.screen_message = true;
                    npc.broadcastPacket(new NpcSay(npc.getObjectId(), Say2.NPC_SHOUT, npc.getNpcId(), NpcStringId.ARCHER_HEED_MY_CALL));
                }
                if (npc.getCurrentHp() < (npc.getMaxHp() * 0.6) && !world.screen_message2)
                {
                    world.screen_message2 = true;
                    ExShowScreenMessage message8 = new ExShowScreenMessage(NpcStringId.THE_SPACE_FEELS_LIKE_ITS_GRADUALLY_STARTING_TO_SHAKE, 2, 7000);
                    sendScreenMessage(world, message8);
                    npc.broadcastPacket(new NpcSay(npc.getObjectId(), Say2.NPC_SHOUT, npc.getNpcId(), NpcStringId.MY_KNIGHTS_SHOW_YOUR_LOYALTY));
                }
                if (npc.getCurrentHp() < (npc.getMaxHp() * 0.8) && !world.screen_message3)
                {
                    world.screen_message3 = true;
                    npc.broadcastPacket(new NpcSay(npc.getObjectId(), Say2.NPC_SHOUT, npc.getNpcId(), NpcStringId.ARCHER_GIVE_YOUR_BREATH_FOR_THE_INTRUDER));
                }
            }
        }
        return super.onAttack(npc, attacker, damage, isPet);
    }

    @Override
    public String onKill(L2Npc npc, L2PcInstance killer, boolean isPet)
    {
        if (DEBUG)
            _log.info("onKill [" + npc.getNpcId() + "]" + npc.getName());

        InstanceWorld tmpworld = InstanceManager.getInstance().getWorld(npc.getInstanceId());
        if (tmpworld instanceof FreyaWorld)
        {
            FreyaWorld world = (FreyaWorld) tmpworld;
            // Delete corpse, because doesn't look good
            npc.deleteMe();

            if (npc.getNpcId() == world.id_ice_knight)
            {
                // Start timer to change effectId
                startQuestTimer("knight_pillar", 5000, npc, null);
            }
            else if (npc.getNpcId() == world.id_glakias)
            {
                // Run Pause before stage 3
                startQuestTimer("stage_2_pause", 500, npc, null);
                showTimer(world, false);
            }
            else if (npc.getNpcId() == world.id_freya_last)
            {
                // Finish Instance
                startQuestTimer("finish_world", 500, npc, null);
                for (L2PcInstance p : world.PlayersInInstance)
                {
                    if (p != null)
                    {
                        savePlayerReenter(p);
                        if (DEBUG)
                            _log.info("Save reenter for " + p.getName() + ".");
                    }
                }
            }
            else if ((npc.getNpcId() == 29179 || npc.getNpcId() == 29180) && killer.isInParty())
            {

                if (killer.getParty().getCommandChannel() != null)
                {
                    for (L2PcInstance ccm : killer.getParty().getCommandChannel().getMembers())
                    {
                        questSupport(npc, ccm);
                    }
                }
            }
        }
        return super.onKill(npc, killer, isPet);
    }

    private void questSupport(L2Npc npc, L2PcInstance player)
    {
        if (player.isInsideRadius(npc, 2000, false, false))
        {
            final int _fragment = 21723;
            final QuestState st = player.getQuestState("Q10502_FreyaEmbroideredSoulCloak");
            if (st != null && st.getState() == State.STARTED && st.getInt("cond") == 1)
            {
                if (player.getQuestState("Q10502_FreyaEmbroideredSoulCloak").getQuestItemsCount(_fragment) < 19)
                {
                    player.getQuestState("Q10502_FreyaEmbroideredSoulCloak").giveItems(_fragment, Rnd.get(1, 2));
                    st.playSound("ItemSound.quest_middle");
                }
                else
                {
                    player.getQuestState("Q10502_FreyaEmbroideredSoulCloak").giveItems(_fragment, 1);
                }
                if (player.getQuestState("Q10502_FreyaEmbroideredSoulCloak").getQuestItemsCount(_fragment) >= 20)
                {
                    player.getQuestState("Q10502_FreyaEmbroideredSoulCloak").set("cond", "2");
                }
            }
        }
    }

    private void questSupport2(L2Npc npc, L2PcInstance player)
    {
        if (player.isInsideRadius(npc, 2000, false, false))
        {
            final QuestState st = player.getQuestState("10286_ReunionWithSirra");
            if (st != null && st.getState() == State.STARTED && st.getInt("cond") == 6)
            {
                st.playSound("ItemSound.quest_middle");
                player.getQuestState("10286_ReunionWithSirra").set("cond", "7");
            }
        }
    }

    @Override
    public String onSpawn(L2Npc npc)
    {
        if (DEBUG)
            _log.info("OnSpawn");

        final InstanceWorld tmpWorld = InstanceManager.getInstance().getWorld(npc.getInstanceId());
        if (tmpWorld instanceof FreyaWorld)
        {
            startQuestTimer("random_first_attack", 4000, npc, null);
        }

        return null;
    }

    private final synchronized void enterInstance(L2PcInstance player, int template_id)
    {
        // Check for existing instances for this player
        InstanceWorld world = InstanceManager.getInstance().getPlayerWorld(player);
        // Player already in the instance
        if (world != null)
        {
            // but not in our instance
            if (!(world instanceof FreyaWorld))
            {
                player.sendPacket(SystemMessage.getSystemMessage(SystemMessageId.ALREADY_ENTERED_ANOTHER_INSTANCE_CANT_ENTER));
                return;
            }
            // Check if instance still exist, if yes - teleport player
            Instance inst = InstanceManager.getInstance().getInstance(world.instanceId);
            if (inst != null)
                teleportPlayer(player, TELE_ENTER[Rnd.get(TELE_ENTER.length)], world.instanceId);

            return;
        }
        {
            // Check
            if (!checkConditions(player))
                return;

            final int instanceId = InstanceManager.getInstance().createDynamicInstance("Freya.xml");

            world = new FreyaWorld();
            world.instanceId = instanceId;
            world.templateId = template_id;
            world.status = 0;

            InstanceManager.getInstance().addWorld(world);

            setupIDs((FreyaWorld) world, template_id);

            // And finally teleport party into instance
            if (player.getParty() == null)
            {
                // Remove buffs, set reenter
                setupPlayer((FreyaWorld) world, player, template_id);
                // Port player
                teleportPlayer(player, TELE_ENTER[Rnd.get(TELE_ENTER.length)], instanceId);
                return;
            }
            else if (player.getParty().getCommandChannel() == null)
            {
                for (L2PcInstance partyMember : player.getParty().getMembers())
                {
                    // Remove buffs, set reenter
                    setupPlayer((FreyaWorld) world, partyMember, template_id);
                    // Port player
                    teleportPlayer(partyMember, TELE_ENTER[Rnd.get(TELE_ENTER.length)], instanceId);
                }
            }
            else
            {
                for (L2PcInstance channelMember : player.getParty().getCommandChannel().getMembers())
                {
                    // Remove buffs, set reenter
                    setupPlayer((FreyaWorld) world, channelMember, template_id);
                    // Port player
                    teleportPlayer(channelMember, TELE_ENTER[Rnd.get(TELE_ENTER.length)], instanceId);
                }
            }
            _log.info("Freya[" + template_id + "] instance started: " + instanceId + " created by player: " + player.getName());
            return;
        }
    }

    private void setupIDs(FreyaWorld world, int template_id)
    {
        {
            world.id_freya_first = 29177;
            world.id_freya_second = 29178;
            world.id_freya_last = 29179;
            world.id_glakias = 25699;
            world.id_ice_knight = 18855;
            world.id_arch_breath = 18854;
            world.id_kegor = 18851;
            world.id_jinia = 18850;
        }
    }

    private void despawnAll(FreyaWorld world)
    {
        for (L2Npc npc : world.allmobs)
        {
            npc.getSpawn().stopRespawn();
            npc.deleteMe();
        }

        world.allmobs.clear();
    }

    private void spawnMonuments(FreyaWorld world)
    {
        if (DEBUG)
            _log.info("spawnMonuments");

        for (Location loc : MONUMENTS)
        {
            L2Npc npc = addSpawn(world.id_ice_knight, loc.getX(), loc.getY(), loc.getZ(), loc.getHeading(), false, 0, true, world.instanceId);
            world.monuments.add(npc);
            npc.disableCoreAI(true);
            npc.setIsImmobilized(true);
            npc.setIsInvul(true);
            npc.disableAllSkills();
            npc.setDisplayEffect(1);
            npc.setEnchant(1);
            L2Spawn spawn = npc.getSpawn();
            spawn.getLastSpawn().setSpawn(spawn);
            spawn.setRespawnDelay(20);
            spawn.setAmount(1);
            spawn.startRespawn();
        }
    }

    private void despawnMonuments(FreyaWorld world)
    {
        for (L2Npc npc : world.monuments)
        {
            npc.setDisplayEffect(2);
            npc.getSpawn().stopRespawn();
            npc.doDie(npc);
        }
        world.monuments.clear();
    }

    private void spawnMobs(FreyaWorld world, int mobId)
    {
        if (DEBUG)
            _log.info("spawnMobs");

        for (Location loc : SPAWNS)
        {
            L2Npc npc = addSpawn(mobId, loc.getX(), loc.getY(), loc.getZ(), loc.getHeading(), false, 0, true, world.instanceId);
            world.allmobs.add(npc);
            npc.setDisplayEffect(1);
            L2Spawn spawn = npc.getSpawn();
            spawn.setRespawnDelay(20);
            spawn.setAmount(1);
            spawn.startRespawn();
        }
    }

    private static final void teleportPlayer(L2PcInstance player, Location loc, int instanceId)
    {
        player.getAI().setIntention(CtrlIntention.AI_INTENTION_IDLE);
        player.setInstanceId(instanceId);
        player.teleToLocation(loc, true);
    }

    private void setupPlayer(FreyaWorld world, L2PcInstance player, int template_id)
    {
        // Remove buffs from player
        // player.stopAllEffectsExceptThoseThatLastThroughDeath();
        // Add player to allowed list
        world.allowed.add(player.getObjectId());
        world.PlayersInInstance.add(player);
        if (player.getQuestState("10286_ReunionWithSirra") != null && player.getQuestState("10286_ReunionWithSirra").getState() == State.STARTED && player.getQuestState("10286_ReunionWithSirra").getInt("cond") == 5)
        {
            player.getQuestState("10286_ReunionWithSirra").set("cond", "6");
        }
    }

    private boolean checkConditions(L2PcInstance player)
    {
        if (player.isGM())
            return true;

        L2Party party = player.getParty();
        if (party == null)
        {
            player.sendPacket(SystemMessageId.NOT_IN_PARTY_CANT_ENTER);
            return false;
        }
        L2CommandChannel channel = player.getParty().getCommandChannel();
        if (channel != null)
        {
            if (channel.getLeader() != player)
            {
                player.sendPacket(SystemMessageId.ONLY_PARTY_LEADER_CAN_ENTER);
                return false;
            }
            else if (channel.getMemberCount() < MIN_PLAYERS || channel.getMemberCount() > MAX_PLAYERS)
            {
                player.sendPacket(SystemMessageId.PARTY_EXCEEDED_THE_LIMIT_CANT_ENTER);
                return false;
            }
            for (L2PcInstance ccMember : channel.getMembers())
            {
                if (ccMember.getLevel() < MIN_LEVEL)
                {
                    SystemMessage sm = SystemMessage.getSystemMessage(SystemMessageId.C1_LEVEL_REQUIREMENT_NOT_SUFFICIENT);
                    sm.addPcName(ccMember);
                    party.broadcastPacket(sm);
                    return false;
                }
                if (!Util.checkIfInRange(1000, player, ccMember, true))
                {
                    SystemMessage sm = SystemMessage.getSystemMessage(SystemMessageId.C1_IS_IN_LOCATION_THAT_CANNOT_BE_ENTERED);
                    sm.addPcName(ccMember);
                    party.broadcastPacket(sm);
                    return false;
                }
                for (int inst : TEMPLATE_ID)
                {
                    long reentertime = InstanceManager.getInstance().getInstanceTime(ccMember.getObjectId(), inst);
                    if (System.currentTimeMillis() < reentertime)
                    {
                        SystemMessage sm = SystemMessage.getSystemMessage(SystemMessageId.C1_MAY_NOT_REENTER_YET);
                        sm.addPcName(ccMember);
                        party.broadcastPacket(sm);
                        return false;
                    }
                }
                QuestState st = ccMember.getQuestState("10286_ReunionWithSirra");
                if (!(st != null && (st.getState() == State.COMPLETED || st.getInt("cond") > 4)))
                {
                    SystemMessage sm = SystemMessage.getSystemMessage(SystemMessageId.C1_QUEST_REQUIREMENT_NOT_SUFFICIENT);
                    sm.addPcName(ccMember);
                    party.broadcastPacket(sm);
                    return false;
                }
            }
        }
        return true;
    }

    private void showTimer(FreyaWorld world, boolean hide)
    {
        for (int objId : world.allowed)
        {
            L2PcInstance player = L2World.getInstance().getPlayer(objId);
            if (player != null && player.isOnline() && player.getInstanceId() == world.instanceId)
                player.sendPacket(new ExSendUIEvent(player, hide, false, 60, 0, "Time remaining until next battle"));
        }
    }

    private void showMovie(FreyaWorld world, int movie)
    {
        for (int objId : world.allowed)
        {
            L2PcInstance player = L2World.getInstance().getPlayer(objId);
            if (player != null && player.isOnline() && player.getInstanceId() == world.instanceId)
                player.showQuestMovie(movie);
        }
    }

    private void stopPc(FreyaWorld world)
    {
        for (int objId : world.allowed)
        {
            L2PcInstance player = L2World.getInstance().getPlayer(objId);
            if (player != null && player.isOnline() && player.getInstanceId() == world.instanceId)
            {
                player.abortAttack();
                player.abortCast();
                player.setTarget(null);
                player.stopMove(null);
                player.getAI().setIntention(CtrlIntention.AI_INTENTION_IDLE);
            }
        }
    }

    private void stopWorld(FreyaWorld world)
    {
        Instance instance = InstanceManager.getInstance().getInstance(world.instanceId);
        for (L2Npc npc : instance.getNpcs())
        {
            if (npc != null)
            {
                npc.abortAttack();
                npc.abortCast();
                npc.setTarget(null);
                npc.stopMove(null);
                npc.getAI().setIntention(CtrlIntention.AI_INTENTION_IDLE);
                npc.setIsImmobilized(true);
                npc.setIsInvul(true);
                npc.disableCoreAI(true);
                npc.disableAllSkills();
            }
        }
    }

    private void startWorld(FreyaWorld world)
    {
        Instance instance = InstanceManager.getInstance().getInstance(world.instanceId);
        for (L2Npc npc : instance.getNpcs())
        {
            if (npc != null)
            {
                npc.setIsImmobilized(false);
                npc.setIsInvul(false);
                npc.disableCoreAI(false);
                npc.enableAllSkills();
            }
        }
    }

    @Override
    public String onFirstTalk(L2Npc npc, L2PcInstance player)
    {
        int npcid = npc.getNpcId();

        if (npcid == KEGOR_EXIT)
        {
            return "kegor.htm";
        }
        return null;
    }

    // Wednesday 6:30AM
    private Calendar reuse_date_1 = null;
    // Saturday 6:30AM
    private Calendar reuse_date_2 = null;
    private long nextCalendarReschedule = 0L;

    private void setReuseCalendars()
    {
        if (nextCalendarReschedule > System.currentTimeMillis())
            return;

        Calendar currentTime = Calendar.getInstance();
        reuse_date_1 = Calendar.getInstance();

        reuse_date_1.set(Calendar.DAY_OF_WEEK, Calendar.WEDNESDAY);
        reuse_date_1.set(Calendar.HOUR_OF_DAY, 6);
        reuse_date_1.set(Calendar.MINUTE, 30);
        reuse_date_1.set(Calendar.SECOND, 0);

        if (currentTime.compareTo(reuse_date_1) > 0)
            reuse_date_1.add(Calendar.DAY_OF_MONTH, 7);

        reuse_date_2 = Calendar.getInstance();

        reuse_date_2.set(Calendar.DAY_OF_WEEK, Calendar.SATURDAY);
        reuse_date_2.set(Calendar.HOUR_OF_DAY, 6);
        reuse_date_2.set(Calendar.MINUTE, 30);
        reuse_date_2.set(Calendar.SECOND, 0);

        if (currentTime.compareTo(reuse_date_2) > 0)
            reuse_date_2.add(Calendar.DAY_OF_MONTH, 7);

        if (reuse_date_1.compareTo(reuse_date_2) < 0)
            nextCalendarReschedule = reuse_date_1.getTimeInMillis();
        else
            nextCalendarReschedule = reuse_date_2.getTimeInMillis();
    }

    private void savePlayerReenter(L2PcInstance player)
    {
        setReuseCalendars();

        long nextTime = 0L;

        if (reuse_date_1.compareTo(reuse_date_2) < 0)
            nextTime = reuse_date_1.getTimeInMillis();
        else
            nextTime = reuse_date_2.getTimeInMillis();
        if (DEBUG)
            System.out.println(player.getName() + " " + nextTime);
        for (int INSTANCEID : TEMPLATE_ID)
            InstanceManager.getInstance().setInstanceTime(player.getObjectId(), INSTANCEID, nextTime);
        if (DEBUG)
            System.out.println(player.getName() + " " + nextTime);
    }

    public Freya(int questId, String name, String descr)
    {
        super(questId, name, descr);

        addStartNpc(JINIA);
        addTalkId(JINIA);
        addTalkId(SIRRA);
        addStartNpc(KEGOR_EXIT);
        addFirstTalkId(KEGOR_EXIT);
        addTalkId(KEGOR_EXIT);

        for (int mob : MOBS)
        {
            addAttackId(mob);
            addKillId(mob);
            addSpawnId(mob);
        }
    }

    public static void main(String[] args)
    {
        new Freya(-1, Freya.class.getSimpleName(), "instances");
    }
}