LibsDisguises/src/me/libraryaddict/disguise/utilities/DisguiseUtilities.java

package me.libraryaddict.disguise.utilities;

import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.UUID;
import java.util.regex.Pattern;

import me.libraryaddict.disguise.DisguiseAPI;
import me.libraryaddict.disguise.DisguiseConfig;
import me.libraryaddict.disguise.LibsDisguises;
import me.libraryaddict.disguise.disguisetypes.Disguise;
import me.libraryaddict.disguise.disguisetypes.DisguiseType;
import me.libraryaddict.disguise.disguisetypes.PlayerDisguise;
import me.libraryaddict.disguise.disguisetypes.TargetedDisguise;
import me.libraryaddict.disguise.disguisetypes.watchers.AgeableWatcher;
import me.libraryaddict.disguise.disguisetypes.watchers.ZombieWatcher;
import me.libraryaddict.disguise.disguisetypes.TargetedDisguise.TargetType;
import me.libraryaddict.disguise.utilities.ReflectionManager.LibVersion;

import org.bukkit.Bukkit;
import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.World;
import org.bukkit.entity.Ageable;
import org.bukkit.entity.Entity;
import org.bukkit.entity.Player;
import org.bukkit.entity.Zombie;
import org.bukkit.inventory.ItemStack;
import org.bukkit.scheduler.BukkitRunnable;
import org.bukkit.util.Vector;

import com.comphenix.protocol.PacketType;
import com.comphenix.protocol.ProtocolLibrary;
import com.comphenix.protocol.ProtocolManager;
import com.comphenix.protocol.events.PacketContainer;
import com.comphenix.protocol.wrappers.WrappedDataWatcher;
import com.comphenix.protocol.wrappers.WrappedGameProfile;

public class DisguiseUtilities {
    /**
     * This is a list of names which was called by other plugins. As such, don't remove from the gameProfiles as its the duty of
     * the plugin to do that.
     */
    private static HashSet<String> addedByPlugins = new HashSet<String>();
    private static LinkedHashMap<String, Disguise> clonedDisguises = new LinkedHashMap<String, Disguise>();
    /**
     * A hashmap of the uuid's of entitys, alive and dead. And their disguises in use
     **/
    private static HashMap<UUID, HashSet<TargetedDisguise>> disguisesInUse = new HashMap<UUID, HashSet<TargetedDisguise>>();
    /**
     * Disguises which are stored ready for a entity to be seen by a player Preferably, disguises in this should only stay in for
     * a max of a second.
     */
    private static HashMap<Integer, HashSet<TargetedDisguise>> futureDisguises = new HashMap<Integer, HashSet<TargetedDisguise>>();
    /**
     * A hashmap storing the uuid and skin of a playername
     */
    private static HashMap<String, WrappedGameProfile> gameProfiles = new HashMap<String, WrappedGameProfile>();
    private static LibsDisguises libsDisguises;
    private static HashMap<String, ArrayList<Object>> runnables = new HashMap<String, ArrayList<Object>>();
    private static HashSet<UUID> selfDisguised = new HashSet<UUID>();

    public static boolean addClonedDisguise(String key, Disguise disguise) {
        if (DisguiseConfig.getMaxClonedDisguises() > 0) {
            if (clonedDisguises.containsKey(key)) {
                clonedDisguises.remove(key);
            } else if (DisguiseConfig.getMaxClonedDisguises() == clonedDisguises.size()) {
                clonedDisguises.remove(clonedDisguises.keySet().iterator().next());
            }
            if (DisguiseConfig.getMaxClonedDisguises() > clonedDisguises.size()) {
                clonedDisguises.put(key, disguise);
                return true;
            }
        }
        return false;
    }

    public static void addDisguise(UUID entityId, TargetedDisguise disguise) {
        if (!getDisguises().containsKey(entityId)) {
            getDisguises().put(entityId, new HashSet<TargetedDisguise>());
        }
        getDisguises().get(entityId).add(disguise);
        checkConflicts(disguise, null);
        if (disguise.getDisguiseTarget() == TargetType.SHOW_TO_EVERYONE_BUT_THESE_PLAYERS && disguise.isModifyBoundingBox()) {
            doBoundingBox(disguise);
        }
    }

    public static void addFutureDisguise(final int entityId, final TargetedDisguise disguise) {
        if (!futureDisguises.containsKey(entityId)) {
            futureDisguises.put(entityId, new HashSet<TargetedDisguise>());
        }
        futureDisguises.get(entityId).add(disguise);
        final BukkitRunnable runnable = new BukkitRunnable() {
            public void run() {
                if (futureDisguises.containsKey(entityId) && futureDisguises.get(entityId).contains(disguise)) {
                    for (World world : Bukkit.getWorlds()) {
                        for (Entity entity : world.getEntities()) {
                            if (entity.getEntityId() == entityId) {
                                UUID uniqueId = entity.getUniqueId();
                                for (TargetedDisguise disguise : futureDisguises.remove(entityId)) {
                                    addDisguise(uniqueId, disguise);
                                }
                                return;
                            }
                        }
                    }
                    futureDisguises.get(entityId).remove(disguise);
                    if (futureDisguises.get(entityId).isEmpty()) {
                        futureDisguises.remove(entityId);
                    }
                }
            }
        };
        runnable.runTaskLater(libsDisguises, 20);
    }

    public static void addGameProfile(String string, WrappedGameProfile gameProfile) {
        getGameProfiles().put(string, gameProfile);
        getAddedByPlugins().add(string.toLowerCase());
    }

    /**
     * If name isn't null. Make sure that the name doesn't see any other disguise. Else if name is null. Make sure that the
     * observers in the disguise don't see any other disguise.
     */
    public static void checkConflicts(TargetedDisguise disguise, String name) {
        // If the disguise is being used.. Else we may accidentally undisguise something else
        if (DisguiseAPI.isDisguiseInUse(disguise)) {
            Iterator<TargetedDisguise> disguiseItel = getDisguises().get(disguise.getEntity().getUniqueId()).iterator();
            // Iterate through the disguises
            while (disguiseItel.hasNext()) {
                TargetedDisguise d = disguiseItel.next();
                // Make sure the disguise isn't the same thing
                if (d != disguise) {
                    // If the loop'd disguise is hiding the disguise to everyone in its list
                    if (d.getDisguiseTarget() == TargetType.HIDE_DISGUISE_TO_EVERYONE_BUT_THESE_PLAYERS) {
                        // If player is a observer in the loop
                        if (disguise.getDisguiseTarget() == TargetType.HIDE_DISGUISE_TO_EVERYONE_BUT_THESE_PLAYERS) {
                            // If player is a observer in the disguise
                            // Remove them from the loop
                            if (name != null) {
                                d.removePlayer(name);
                            } else {
                                for (String playername : disguise.getObservers()) {
                                    d.silentlyRemovePlayer(playername);
                                }
                            }
                        } else if (disguise.getDisguiseTarget() == TargetType.SHOW_TO_EVERYONE_BUT_THESE_PLAYERS) {
                            // If player is not a observer in the loop
                            if (name != null) {
                                if (!disguise.getObservers().contains(name)) {
                                    d.removePlayer(name);
                                }
                            } else {
                                for (String playername : new ArrayList<String>(d.getObservers())) {
                                    if (!disguise.getObservers().contains(playername)) {
                                        d.silentlyRemovePlayer(playername);
                                    }
                                }
                            }
                        }
                    } else if (d.getDisguiseTarget() == TargetType.SHOW_TO_EVERYONE_BUT_THESE_PLAYERS) {
                        // Here you add it to the loop if they see the disguise
                        if (disguise.getDisguiseTarget() == TargetType.HIDE_DISGUISE_TO_EVERYONE_BUT_THESE_PLAYERS) {
                            // Everyone who is in the disguise needs to be added to the loop
                            if (name != null) {
                                d.addPlayer(name);
                            } else {
                                for (String playername : disguise.getObservers()) {
                                    d.silentlyAddPlayer(playername);
                                }
                            }
                        } else if (disguise.getDisguiseTarget() == TargetType.SHOW_TO_EVERYONE_BUT_THESE_PLAYERS) {
                            // This here is a paradox.
                            // If fed a name. I can do this.
                            // But the rest of the time.. Its going to conflict.
                            // The below is debug output. Most people wouldn't care for it.

                            // System.out.print("Cannot set more than one " + TargetType.SHOW_TO_EVERYONE_BUT_THESE_PLAYERS
                            // + " on a entity. Removed the old disguise.");

                            disguiseItel.remove();
                            d.removeDisguise();
                        }
                    }
                }
            }
        }
    }

    /**
     * Sends entity removal packets, as this disguise was removed
     */
    public static void destroyEntity(TargetedDisguise disguise) {
        try {
            Object entityTrackerEntry = ReflectionManager.getEntityTrackerEntry(disguise.getEntity());
            if (entityTrackerEntry != null) {
                HashSet trackedPlayers = (HashSet) ReflectionManager.getNmsField("EntityTrackerEntry", "trackedPlayers").get(
                        entityTrackerEntry);
                HashSet cloned = (HashSet) trackedPlayers.clone();
                PacketContainer destroyPacket = new PacketContainer(PacketType.Play.Server.ENTITY_DESTROY);
                destroyPacket.getIntegerArrays().write(0, new int[] { disguise.getEntity().getEntityId() });
                for (Object p : cloned) {
                    Player player = (Player) ReflectionManager.getBukkitEntity(p);
                    if (player == disguise.getEntity() || disguise.canSee(player.getName())) {
                        ProtocolLibrary.getProtocolManager().sendServerPacket(player, destroyPacket);
                    }
                }
            }
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }

    public static void doBoundingBox(TargetedDisguise disguise) {
        // TODO Slimes
        Entity entity = disguise.getEntity();
        if (entity != null) {
            if (isDisguiseInUse(disguise)) {
                DisguiseValues disguiseValues = DisguiseValues.getDisguiseValues(disguise.getType());
                FakeBoundingBox disguiseBox = disguiseValues.getAdultBox();
                if (disguiseValues.getBabyBox() != null) {
                    if ((disguise.getWatcher() instanceof AgeableWatcher && ((AgeableWatcher) disguise.getWatcher()).isBaby())
                            || (disguise.getWatcher() instanceof ZombieWatcher && ((ZombieWatcher) disguise.getWatcher())
                                    .isBaby())) {
                        disguiseBox = disguiseValues.getBabyBox();
                    }
                }
                ReflectionManager.setBoundingBox(entity, disguiseBox);
            } else {
                DisguiseValues entityValues = DisguiseValues.getDisguiseValues(DisguiseType.getType(entity.getType()));
                FakeBoundingBox entityBox = entityValues.getAdultBox();
                if (entityValues.getBabyBox() != null) {
                    if ((entity instanceof Ageable && !((Ageable) entity).isAdult())
                            || (entity instanceof Zombie && ((Zombie) entity).isBaby())) {
                        entityBox = entityValues.getBabyBox();
                    }
                }
                ReflectionManager.setBoundingBox(entity, entityBox);
            }
        }
    }

    public static HashSet<String> getAddedByPlugins() {
        return addedByPlugins;
    }

    public static Disguise getClonedDisguise(String key) {
        if (clonedDisguises.containsKey(key)) {
            return clonedDisguises.get(key).clone();
        }
        return null;
    }

    public static TargetedDisguise getDisguise(Player observer, Entity entity) {
        UUID entityId = entity.getUniqueId();
        if (futureDisguises.containsKey(entity.getEntityId())) {
            for (TargetedDisguise disguise : futureDisguises.remove(entity.getEntityId())) {
                addDisguise(entityId, disguise);
            }
        }
        if (getDisguises().containsKey(entityId)) {
            for (TargetedDisguise disguise : getDisguises().get(entityId)) {
                if (disguise.canSee(observer)) {
                    return disguise;
                }
            }
        }
        return null;
    }

    public static HashMap<UUID, HashSet<TargetedDisguise>> getDisguises() {
        return disguisesInUse;
    }

    public static TargetedDisguise[] getDisguises(UUID entityId) {
        if (getDisguises().containsKey(entityId)) {
            HashSet<TargetedDisguise> disguises = getDisguises().get(entityId);
            return disguises.toArray(new TargetedDisguise[disguises.size()]);
        }
        return new TargetedDisguise[0];
    }

    public static HashMap<Integer, HashSet<TargetedDisguise>> getFutureDisguises() {
        return futureDisguises;
    }

    public static WrappedGameProfile getGameProfile(String playerName) {
        return gameProfiles.get(playerName.toLowerCase());
    }

    public static HashMap<String, WrappedGameProfile> getGameProfiles() {
        return gameProfiles;
    }

    public static TargetedDisguise getMainDisguise(UUID entityId) {
        TargetedDisguise toReturn = null;
        if (getDisguises().containsKey(entityId)) {
            for (TargetedDisguise disguise : getDisguises().get(entityId)) {
                if (disguise.getDisguiseTarget() == TargetType.SHOW_TO_EVERYONE_BUT_THESE_PLAYERS) {
                    return disguise;
                }
                toReturn = disguise;
            }
        }
        return toReturn;
    }

    /**
     * Get all EntityPlayers who have this entity in their Entity Tracker And they are in the targetted disguise.
     */
    public static ArrayList<Player> getPerverts(Disguise disguise) {
        ArrayList<Player> players = new ArrayList<Player>();
        try {
            Object entityTrackerEntry = ReflectionManager.getEntityTrackerEntry(disguise.getEntity());
            if (entityTrackerEntry != null) {
                HashSet trackedPlayers = (HashSet) ReflectionManager.getNmsField("EntityTrackerEntry", "trackedPlayers").get(
                        entityTrackerEntry);
                for (Object p : trackedPlayers) {
                    Player player = (Player) ReflectionManager.getBukkitEntity(p);
                    if (((TargetedDisguise) disguise).canSee(player)) {
                        players.add(player);
                    }
                }
            }
        } catch (Exception ex) {
            ex.printStackTrace();
        }
        return players;
    }

    public static WrappedGameProfile getProfileFromMojang(final PlayerDisguise disguise) {
        final boolean remove = getAddedByPlugins().contains(disguise.getName().toLowerCase());
        return getProfileFromMojang(disguise.getName(), new LibsProfileLookup() {

            @Override
            public void onLookup(WrappedGameProfile gameProfile) {
                if (remove) {
                    getAddedByPlugins().remove(disguise.getName().toLowerCase());
                }
                if (DisguiseAPI.isDisguiseInUse(disguise)
                        && (!gameProfile.getName().equals(disguise.getName()) || (LibVersion.is1_7_6() && !gameProfile
                                .getProperties().isEmpty()))) {
                    // TODO Resend for UUID? Might need to in the future.
                    DisguiseUtilities.refreshTrackers(disguise);
                }
            }
        });
    }

    /**
     * Thread safe to use. This returns a GameProfile. And if its GameProfile doesn't have a skin blob. Then it does a lookup
     * using schedulers. The runnable is run once the GameProfile has been successfully dealt with
     */
    public static WrappedGameProfile getProfileFromMojang(String playerName, LibsProfileLookup runnableIfCantReturn) {
        return getProfileFromMojang(playerName, (Object) runnableIfCantReturn);
    }

    private static WrappedGameProfile getProfileFromMojang(final String origName, final Object runnable) {
        final String playerName = origName.toLowerCase();
        if (gameProfiles.containsKey(playerName)) {
            if (gameProfiles.get(playerName) != null) {
                return gameProfiles.get(playerName);
            }
        } else if (Pattern.matches("([A-Za-z0-9_]){1,16}", origName)) {
            getAddedByPlugins().add(playerName);
            Player player = Bukkit.getPlayerExact(playerName);
            if (player != null) {
                WrappedGameProfile gameProfile = ReflectionManager.getGameProfile(player);
                if (!LibVersion.is1_7_6() || !gameProfile.getProperties().isEmpty()) {
                    gameProfiles.put(playerName, gameProfile);
                    return gameProfile;
                }
            }
            // Add null so that if this is called again. I already know I'm doing something about it
            gameProfiles.put(playerName, null);
            Bukkit.getScheduler().runTaskAsynchronously(libsDisguises, new Runnable() {
                public void run() {
                    try {
                        final WrappedGameProfile gameProfile = lookupGameProfile(origName);
                        Bukkit.getScheduler().runTask(libsDisguises, new Runnable() {
                            public void run() {
                                if (gameProfiles.containsKey(playerName) && gameProfiles.get(playerName) == null) {
                                    gameProfiles.put(playerName, gameProfile);
                                }
                                if (runnables.containsKey(playerName)) {
                                    for (Object obj : runnables.remove(playerName)) {
                                        if (obj instanceof Runnable) {
                                            ((Runnable) obj).run();
                                        } else if (obj instanceof LibsProfileLookup) {
                                            ((LibsProfileLookup) obj).onLookup(gameProfile);
                                        }
                                    }
                                }
                            }
                        });
                    } catch (Exception e) {
                        if (gameProfiles.containsKey(playerName) && gameProfiles.get(playerName) == null) {
                            gameProfiles.remove(playerName);
                            getAddedByPlugins().remove(playerName);
                        }
                        System.out.print("[LibsDisguises] Error when fetching " + playerName + "'s uuid from mojang: "
                                + e.getMessage());
                    }
                }
            });
            if (runnable != null) {
                if (!runnables.containsKey(playerName)) {
                    runnables.put(playerName, new ArrayList<Object>());
                }
                runnables.get(playerName).add(runnable);
            }
        }
        return ReflectionManager.getGameProfile(null, origName);
    }

    /**
     * Thread safe to use. This returns a GameProfile. And if its GameProfile doesn't have a skin blob. Then it does a lookup
     * using schedulers. The runnable is run once the GameProfile has been successfully dealt with
     */
    public static WrappedGameProfile getProfileFromMojang(String playerName, Runnable runnableIfCantReturn) {
        return getProfileFromMojang(playerName, (Object) runnableIfCantReturn);
    }

    public static HashSet<UUID> getSelfDisguised() {
        return selfDisguised;
    }

    public static boolean hasGameProfile(String playerName) {
        return getGameProfile(playerName) != null;
    }

    public static void init(LibsDisguises disguises) {
        libsDisguises = disguises;
    }

    public static boolean isDisguiseInUse(Disguise disguise) {
        return disguise.getEntity() != null && getDisguises().containsKey(disguise.getEntity().getUniqueId())
                && getDisguises().get(disguise.getEntity().getUniqueId()).contains(disguise);
    }

    /**
     * This is called on a thread as it is thread blocking
     */
    public static WrappedGameProfile lookupGameProfile(String playerName) {
        WrappedGameProfile gameprofile = ReflectionManager.grabProfileAddUUID(playerName);
        return ReflectionManager.getSkullBlob(gameprofile);
    }

    /**
     * Resends the entity to this specific player
     */
    public static void refreshTracker(TargetedDisguise disguise, String player) {
        if (disguise.getEntity() != null && disguise.getEntity().isValid()) {
            try {
                if (disguise.isDisguiseInUse() && disguise.getEntity() instanceof Player
                        && ((Player) disguise.getEntity()).getName().equalsIgnoreCase(player)) {
                    DisguiseUtilities.sendSelfDisguise((Player) disguise.getEntity(), disguise);
                } else {
                    Object entityTrackerEntry = ReflectionManager.getEntityTrackerEntry(disguise.getEntity());
                    if (entityTrackerEntry != null) {
                        HashSet trackedPlayers = (HashSet) ReflectionManager.getNmsField("EntityTrackerEntry", "trackedPlayers")
                                .get(entityTrackerEntry);
                        Method clear = ReflectionManager.getNmsMethod("EntityTrackerEntry", "clear",
                                ReflectionManager.getNmsClass("EntityPlayer"));
                        Method updatePlayer = ReflectionManager.getNmsMethod("EntityTrackerEntry", "updatePlayer",
                                ReflectionManager.getNmsClass("EntityPlayer"));
                        HashSet cloned = (HashSet) trackedPlayers.clone();
                        for (Object p : cloned) {
                            if (player.equalsIgnoreCase(((Player) ReflectionManager.getBukkitEntity(p)).getName())) {
                                clear.invoke(entityTrackerEntry, p);
                                updatePlayer.invoke(entityTrackerEntry, p);
                                break;
                            }
                        }
                    }
                }
            } catch (Exception ex) {
                ex.printStackTrace();
            }
        }
    }

    /**
     * A convenience method for me to refresh trackers in other plugins
     */
    public static void refreshTrackers(Entity entity) {
        if (entity.isValid()) {
            try {
                Object entityTrackerEntry = ReflectionManager.getEntityTrackerEntry(entity);
                if (entityTrackerEntry != null) {
                    HashSet trackedPlayers = (HashSet) ReflectionManager.getNmsField("EntityTrackerEntry", "trackedPlayers").get(
                            entityTrackerEntry);
                    Method clear = ReflectionManager.getNmsMethod("EntityTrackerEntry", "clear",
                            ReflectionManager.getNmsClass("EntityPlayer"));
                    Method updatePlayer = ReflectionManager.getNmsMethod("EntityTrackerEntry", "updatePlayer",
                            ReflectionManager.getNmsClass("EntityPlayer"));
                    HashSet cloned = (HashSet) trackedPlayers.clone();
                    for (Object p : cloned) {
                        Player player = (Player) ReflectionManager.getBukkitEntity(p);
                        // if (entity instanceof Player && !((Player) ReflectionManager.getBukkitEntity(player)).canSee((Player)
                        // entity))
                        // continue;
                        if (player != entity) {
                            clear.invoke(entityTrackerEntry, p);
                            updatePlayer.invoke(entityTrackerEntry, p);
                        }
                    }
                }
            } catch (Exception ex) {
                ex.printStackTrace();
            }
        }
    }

    /**
     * Resends the entity to all the watching players, which is where the magic begins
     */
    public static void refreshTrackers(TargetedDisguise disguise) {
        if (disguise.getEntity().isValid()) {
            try {
                if (selfDisguised.contains(disguise.getEntity().getUniqueId()) && disguise.isDisguiseInUse()) {
                    DisguiseUtilities.sendSelfDisguise((Player) disguise.getEntity(), disguise);
                }
                Object entityTrackerEntry = ReflectionManager.getEntityTrackerEntry(disguise.getEntity());
                if (entityTrackerEntry != null) {
                    HashSet trackedPlayers = (HashSet) ReflectionManager.getNmsField("EntityTrackerEntry", "trackedPlayers").get(
                            entityTrackerEntry);
                    Method clear = ReflectionManager.getNmsMethod("EntityTrackerEntry", "clear",
                            ReflectionManager.getNmsClass("EntityPlayer"));
                    Method updatePlayer = ReflectionManager.getNmsMethod("EntityTrackerEntry", "updatePlayer",
                            ReflectionManager.getNmsClass("EntityPlayer"));
                    HashSet cloned = (HashSet) trackedPlayers.clone();
                    for (Object p : cloned) {
                        Player player = (Player) ReflectionManager.getBukkitEntity(p);
                        // if (entity instanceof Player && !((Player) ReflectionManager.getBukkitEntity(player)).canSee((Player)
                        // entity))
                        // continue;
                        if (disguise.getEntity() != player && disguise.canSee(player.getName())) {
                            clear.invoke(entityTrackerEntry, p);
                            updatePlayer.invoke(entityTrackerEntry, p);
                        }
                    }
                }
            } catch (Exception ex) {
                ex.printStackTrace();
            }
        }
    }

    public static boolean removeDisguise(TargetedDisguise disguise) {
        UUID entityId = disguise.getEntity().getUniqueId();
        if (getDisguises().containsKey(entityId) && getDisguises().get(entityId).remove(disguise)) {
            if (getDisguises().get(entityId).isEmpty()) {
                getDisguises().remove(entityId);
            }
            if (disguise.getDisguiseTarget() == TargetType.SHOW_TO_EVERYONE_BUT_THESE_PLAYERS && disguise.isModifyBoundingBox()) {
                doBoundingBox(disguise);
            }
            return true;
        }
        return false;
    }

    @Deprecated
    public static void removeGameprofile(String string) {
        removeGameProfile(string);
    }

    public static void removeGameProfile(String string) {
        gameProfiles.remove(string.toLowerCase());
    }

    public static void removeSelfDisguise(Player player) {
        if (selfDisguised.contains(player.getUniqueId())) {
            // Send a packet to destroy the fake entity
            PacketContainer packet = new PacketContainer(PacketType.Play.Server.ENTITY_DESTROY);
            packet.getModifier().write(0, new int[] { DisguiseAPI.getSelfDisguiseId() });
            try {
                ProtocolLibrary.getProtocolManager().sendServerPacket(player, packet);
            } catch (Exception ex) {
                ex.printStackTrace();
            }
            // Remove the fake entity ID from the disguise bin
            selfDisguised.remove(player.getUniqueId());
            // Get the entity tracker
            try {
                Object entityTrackerEntry = ReflectionManager.getEntityTrackerEntry(player);
                if (entityTrackerEntry != null) {
                    HashSet trackedPlayers = (HashSet) ReflectionManager.getNmsField("EntityTrackerEntry", "trackedPlayers").get(
                            entityTrackerEntry);
                    // If the tracker exists. Remove himself from his tracker
                    trackedPlayers.remove(ReflectionManager.getNmsEntity(player));
                }
            } catch (Exception ex) {
                ex.printStackTrace();
            }
            // Resend entity metadata else he will be invisible to himself until its resent
            try {
                ProtocolLibrary.getProtocolManager().sendServerPacket(
                        player,
                        ProtocolLibrary
                                .getProtocolManager()
                                .createPacketConstructor(PacketType.Play.Server.ENTITY_METADATA, player.getEntityId(),
                                        WrappedDataWatcher.getEntityWatcher(player), true)
                                .createPacket(player.getEntityId(), WrappedDataWatcher.getEntityWatcher(player), true));
            } catch (Exception ex) {
                ex.printStackTrace();
            }
            player.updateInventory();
        }
    }

    /**
     * Sends the self disguise to the player
     */
    public static void sendSelfDisguise(final Player player, final TargetedDisguise disguise) {
        try {
            if (!disguise.isDisguiseInUse() || !player.isValid() || !player.isOnline() || !disguise.isSelfDisguiseVisible()
                    || !disguise.canSee(player)) {
                return;
            }
            Object entityTrackerEntry = ReflectionManager.getEntityTrackerEntry(player);
            if (entityTrackerEntry == null) {
                // A check incase the tracker is null.
                // If it is, then this method will be run again in one tick. Which is when it should be constructed.
                // Else its going to run in a infinite loop hue hue hue..
                // At least until this disguise is discarded
                Bukkit.getScheduler().runTask(libsDisguises, new Runnable() {
                    public void run() {
                        if (DisguiseAPI.getDisguise(player, player) == disguise) {
                            sendSelfDisguise(player, disguise);
                        }
                    }
                });
                return;
            }
            // Add himself to his own entity tracker
            ((HashSet<Object>) ReflectionManager.getNmsField("EntityTrackerEntry", "trackedPlayers").get(entityTrackerEntry))
                    .add(ReflectionManager.getNmsEntity(player));
            ProtocolManager manager = ProtocolLibrary.getProtocolManager();
            // Send the player a packet with himself being spawned
            manager.sendServerPacket(player, manager.createPacketConstructor(PacketType.Play.Server.NAMED_ENTITY_SPAWN, player)
                    .createPacket(player));
            WrappedDataWatcher dataWatcher = WrappedDataWatcher.getEntityWatcher(player);
            sendSelfPacket(
                    player,
                    manager.createPacketConstructor(PacketType.Play.Server.ENTITY_METADATA, player.getEntityId(), dataWatcher,
                            true).createPacket(player.getEntityId(), dataWatcher, true));

            boolean isMoving = false;
            try {
                Field field = ReflectionManager.getNmsClass("EntityTrackerEntry").getDeclaredField("isMoving");
                field.setAccessible(true);
                isMoving = field.getBoolean(entityTrackerEntry);
            } catch (Exception ex) {
                ex.printStackTrace();
            }
            // Send the velocity packets
            if (isMoving) {
                Vector velocity = player.getVelocity();
                sendSelfPacket(
                        player,
                        manager.createPacketConstructor(PacketType.Play.Server.ENTITY_VELOCITY, player.getEntityId(),
                                velocity.getX(), velocity.getY(), velocity.getZ()).createPacket(player.getEntityId(),
                                velocity.getX(), velocity.getY(), velocity.getZ()));
            }

            // Why the hell would he even need this. Meh.
            if (player.getVehicle() != null && player.getEntityId() > player.getVehicle().getEntityId()) {
                sendSelfPacket(player,
                        manager.createPacketConstructor(PacketType.Play.Server.ATTACH_ENTITY, 0, player, player.getVehicle())
                                .createPacket(0, player, player.getVehicle()));
            } else if (player.getPassenger() != null && player.getEntityId() > player.getPassenger().getEntityId()) {
                sendSelfPacket(player,
                        manager.createPacketConstructor(PacketType.Play.Server.ATTACH_ENTITY, 0, player.getPassenger(), player)
                                .createPacket(0, player.getPassenger(), player));
            }

            // Resend the armor
            for (int i = 0; i < 5; i++) {
                ItemStack item;
                if (i == 0) {
                    item = player.getItemInHand();
                } else {
                    item = player.getInventory().getArmorContents()[i - 1];
                }

                if (item != null && item.getType() != Material.AIR) {
                    sendSelfPacket(
                            player,
                            manager.createPacketConstructor(PacketType.Play.Server.ENTITY_EQUIPMENT, player.getEntityId(), i,
                                    item).createPacket(player.getEntityId(), i, item));
                }
            }
            Location loc = player.getLocation();
            // If the disguised is sleeping for w/e reason
            if (player.isSleeping()) {
                sendSelfPacket(
                        player,
                        manager.createPacketConstructor(PacketType.Play.Server.BED, player, loc.getBlockX(), loc.getBlockY(),
                                loc.getBlockZ()).createPacket(player, loc.getBlockX(), loc.getBlockY(), loc.getBlockZ()));
            }

            // Resend any active potion effects
            for (Object potionEffect : player.getActivePotionEffects()) {
                sendSelfPacket(player,
                        manager.createPacketConstructor(PacketType.Play.Server.ENTITY_EFFECT, player.getEntityId(), potionEffect)
                                .createPacket(player.getEntityId(), potionEffect));
            }
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }

    /**
     * Method to send a packet to the self disguise, translate his entity ID to the fake id.
     */
    private static void sendSelfPacket(Player player, PacketContainer packet) {
        PacketContainer[] packets = PacketsManager.transformPacket(packet, player, player);
        try {
            if (packets == null) {
                packets = new PacketContainer[] { packet };
            }
            for (PacketContainer p : packets) {
                p = p.deepClone();
                p.getIntegers().write(0, DisguiseAPI.getSelfDisguiseId());
                ProtocolLibrary.getProtocolManager().sendServerPacket(player, p, false);
            }
        } catch (InvocationTargetException e) {
            e.printStackTrace();
        }
    }

    /**
     * Setup it so he can see himself when disguised
     */
    public static void setupFakeDisguise(final Disguise disguise) {
        Entity e = disguise.getEntity();
        // If the disguises entity is null, or the disguised entity isn't a player return
        if (e == null || !(e instanceof Player) || !getDisguises().containsKey(e.getUniqueId())
                || !getDisguises().get(e.getUniqueId()).contains(disguise)) {
            return;
        }
        Player player = (Player) e;
        // Check if he can even see this..
        if (!((TargetedDisguise) disguise).canSee(player)) {
            return;
        }
        // Remove the old disguise, else we have weird disguises around the place
        DisguiseUtilities.removeSelfDisguise(player);
        // If the disguised player can't see himself. Return
        if (!disguise.isSelfDisguiseVisible() || !PacketsManager.isViewDisguisesListenerEnabled() || player.getVehicle() != null) {
            return;
        }
        selfDisguised.add(player.getUniqueId());
        sendSelfDisguise(player, (TargetedDisguise) disguise);
        if (disguise.isHidingArmorFromSelf() || disguise.isHidingHeldItemFromSelf()) {
            if (PacketsManager.isInventoryListenerEnabled()) {
                player.updateInventory();
            }
        }
    }
}