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.Arrays; import java.util.HashMap; import java.util.HashSet; import java.util.Iterator; import java.util.List; import java.util.UUID; import me.libraryaddict.disguise.DisguiseAPI; import me.libraryaddict.disguise.LibsDisguises; import me.libraryaddict.disguise.disguisetypes.Disguise; import me.libraryaddict.disguise.disguisetypes.DisguiseType; 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.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.potion.PotionEffect; 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; public class DisguiseUtilities { private static HashMap> futureDisguises = new HashMap>(); private static LibsDisguises libsDisguises; private static HashMap namesUuids = new HashMap(); // A internal storage of fake entity ID's I can use. // Realistically I could probably use a ID like "4" for everyone, seeing as no one shares the ID private static HashMap selfDisguisesIds = new HashMap(); // Store the entity IDs instead of entitys because then I can disguise entitys even before they exist private static HashMap> targetedDisguises = new HashMap>(); public static void addDisguise(UUID entityId, TargetedDisguise disguise) { if (!getDisguises().containsKey(entityId)) { getDisguises().put(entityId, new HashSet()); } 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(int entityId, TargetedDisguise disguise) { if (!futureDisguises.containsKey(entityId)) { futureDisguises.put(entityId, new HashSet()); } futureDisguises.get(entityId).add(disguise); } /** * 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 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(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(); /* if (name != null) { if (!disguise.getObservers().contains(name)) { d.setViewDisguise(name); } } else { for (String playername : d.getObservers()) { if (!disguise.getObservers().contains(playername)) { d.setViewDisguise(playername); } } }*/ } } } } } } /** * @param Sends * entity removal packets, as this disguise was removed */ public static void destroyEntity(TargetedDisguise disguise) { try { Object world = ReflectionManager.getWorld(disguise.getEntity().getWorld()); Object tracker = world.getClass().getField("tracker").get(world); Object trackedEntities = tracker.getClass().getField("trackedEntities").get(tracker); Object entityTrackerEntry = trackedEntities.getClass().getMethod("get", int.class) .invoke(trackedEntities, disguise.getEntity().getEntityId()); if (entityTrackerEntry != null) { HashSet trackedPlayers = (HashSet) entityTrackerEntry.getClass().getField("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 (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, disguiseValues.getEntitySize()); } 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, entityValues.getEntitySize()); } } } 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> getDisguises() { return targetedDisguises; } public static TargetedDisguise[] getDisguises(UUID entityId) { if (getDisguises().containsKey(entityId)) { return getDisguises().get(entityId).toArray(new TargetedDisguise[getDisguises().get(entityId).size()]); } return new TargetedDisguise[0]; } 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 getPerverts(Disguise disguise) { ArrayList players = new ArrayList(); try { Object world = ReflectionManager.getWorld(disguise.getEntity().getWorld()); Object tracker = world.getClass().getField("tracker").get(world); Object trackedEntities = tracker.getClass().getField("trackedEntities").get(tracker); Object entityTrackerEntry = trackedEntities.getClass().getMethod("get", int.class) .invoke(trackedEntities, disguise.getEntity().getEntityId()); if (entityTrackerEntry != null) { HashSet trackedPlayers = (HashSet) entityTrackerEntry.getClass().getField("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 List getSeenDisguises(String viewer) { List dis = new ArrayList(); for (HashSet disguises : getDisguises().values()) { for (TargetedDisguise disguise : disguises) { if (disguise.getDisguiseTarget() == TargetType.HIDE_DISGUISE_TO_EVERYONE_BUT_THESE_PLAYERS) { if (disguise.canSee(viewer)) { boolean add = true; for (String observer : disguise.getObservers()) { if (!observer.equals(viewer) && Bukkit.getPlayerExact(observer) != null) { add = false; break; } } if (add) { dis.add(disguise); } } } } } return dis; } public static HashMap getSelfDisguisesIds() { return selfDisguisesIds; } public static UUID getUUID(final Disguise disguise, final String playerName) { if (LibVersion.getGameVersion() == LibVersion.V1_7) { Player p = Bukkit.getPlayerExact(playerName); if (p != null) { return p.getUniqueId(); } /*else if (disguise != null) { if (namesUuids.containsKey(playerName)) { if (namesUuids.get(playerName) != null) { return UUID.fromString(namesUuids.get(playerName)); } } else { // Add null so that if this is called again. I already know I'm doing something about it namesUuids.put(playerName, null); Bukkit.getScheduler().scheduleAsyncDelayedTask(libsDisguises, new Runnable() { public void run() { UUIDFetcher fetcher = new UUIDFetcher(Arrays.asList(playerName)); try { final HashMap map = fetcher.call(); Bukkit.getScheduler().scheduleSyncDelayedTask(libsDisguises, new Runnable() { public void run() { if (map.containsKey(playerName)) { if (namesUuids.containsKey(playerName) && namesUuids.get(playerName) == null) { namesUuids.put(playerName, map.get(playerName).toString()); } if (DisguiseUtilities.isDisguiseInUse(disguise)) { DisguiseUtilities.refreshTrackers((TargetedDisguise) disguise); if (disguise.getEntity() instanceof Player && disguise.isSelfDisguiseVisible()) { DisguiseUtilities.sendSelfDisguise((Player) disguise.getEntity()); } } } } }); } catch (Exception e) { if (namesUuids.containsKey(playerName) && namesUuids.get(playerName) == null) { namesUuids.remove(playerName); } System.out.print("[LibsDisguises] Error when fetching " + playerName + "'s uuid from mojang: " + e.getMessage()); } } }); } }*/ } return null; } public static void init(LibsDisguises disguises) { libsDisguises = disguises; } public static boolean isDisguiseInUse(Disguise disguise) { if (disguise.getEntity() != null && getDisguises().containsKey(disguise.getEntity().getUniqueId()) && getDisguises().get(disguise.getEntity().getUniqueId()).contains(disguise)) { return true; } return false; } /** * @param Resends * the entity to all the watching players, which is where the magic begins */ public static void refreshTracker(TargetedDisguise disguise, String player) { try { Object world = ReflectionManager.getWorld(disguise.getEntity().getWorld()); Object tracker = world.getClass().getField("tracker").get(world); Object trackedEntities = tracker.getClass().getField("trackedEntities").get(tracker); Object entityTrackerEntry = trackedEntities.getClass().getMethod("get", int.class) .invoke(trackedEntities, disguise.getEntity().getEntityId()); if (entityTrackerEntry != null) { HashSet trackedPlayers = (HashSet) entityTrackerEntry.getClass().getField("trackedPlayers") .get(entityTrackerEntry); Method clear = entityTrackerEntry.getClass().getMethod("clear", ReflectionManager.getNmsClass("EntityPlayer")); Method updatePlayer = entityTrackerEntry.getClass().getMethod("updatePlayer", ReflectionManager.getNmsClass("EntityPlayer")); HashSet cloned = (HashSet) trackedPlayers.clone(); for (Object p : cloned) { if (player.equals(((Player) ReflectionManager.getBukkitEntity(p)).getName())) { clear.invoke(entityTrackerEntry, p); updatePlayer.invoke(entityTrackerEntry, p); break; } } } } catch (Exception ex) { ex.printStackTrace(); } } /** * @param A * convidence method for me to refresh trackers in other plugins */ public static void refreshTrackers(Entity entity) { try { Object world = ReflectionManager.getWorld(entity.getWorld()); Object tracker = world.getClass().getField("tracker").get(world); Object trackedEntities = tracker.getClass().getField("trackedEntities").get(tracker); Object entityTrackerEntry = trackedEntities.getClass().getMethod("get", int.class) .invoke(trackedEntities, entity.getEntityId()); if (entityTrackerEntry != null) { HashSet trackedPlayers = (HashSet) entityTrackerEntry.getClass().getField("trackedPlayers") .get(entityTrackerEntry); Method clear = entityTrackerEntry.getClass().getMethod("clear", ReflectionManager.getNmsClass("EntityPlayer")); Method updatePlayer = entityTrackerEntry.getClass().getMethod("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 (!(entity instanceof Player) || player.canSee((Player) entity)) { clear.invoke(entityTrackerEntry, p); updatePlayer.invoke(entityTrackerEntry, p); } } } } catch (Exception ex) { ex.printStackTrace(); } } /** * @param Resends * the entity to all the watching players, which is where the magic begins */ public static void refreshTrackers(TargetedDisguise disguise) { try { Object world = ReflectionManager.getWorld(disguise.getEntity().getWorld()); Object tracker = world.getClass().getField("tracker").get(world); Object trackedEntities = tracker.getClass().getField("trackedEntities").get(tracker); Object entityTrackerEntry = trackedEntities.getClass().getMethod("get", int.class) .invoke(trackedEntities, disguise.getEntity().getEntityId()); if (entityTrackerEntry != null) { HashSet trackedPlayers = (HashSet) entityTrackerEntry.getClass().getField("trackedPlayers") .get(entityTrackerEntry); Method clear = entityTrackerEntry.getClass().getMethod("clear", ReflectionManager.getNmsClass("EntityPlayer")); Method updatePlayer = entityTrackerEntry.getClass().getMethod("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.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; } public static void removeSelfDisguise(Player player) { if (selfDisguisesIds.containsKey(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[] { selfDisguisesIds.get(player.getUniqueId()) }); try { ProtocolLibrary.getProtocolManager().sendServerPacket(player, packet); } catch (Exception ex) { ex.printStackTrace(); } // Remove the fake entity ID from the disguise bin selfDisguisesIds.remove(player.getUniqueId()); // Get the entity tracker try { Object world = ReflectionManager.getWorld(player.getWorld()); Object tracker = world.getClass().getField("tracker").get(world); Object trackedEntities = tracker.getClass().getField("trackedEntities").get(tracker); Object entityTrackerEntry = trackedEntities.getClass().getMethod("get", int.class) .invoke(trackedEntities, player.getEntityId()); if (entityTrackerEntry != null) { HashSet trackedPlayers = (HashSet) entityTrackerEntry.getClass().getField("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) { try { if (!player.isValid()) { return; } Object world = ReflectionManager.getWorld(player.getWorld()); Object tracker = world.getClass().getField("tracker").get(world); Object trackedEntities = tracker.getClass().getField("trackedEntities").get(tracker); Object entityTrackerEntry = trackedEntities.getClass().getMethod("get", int.class) .invoke(trackedEntities, player.getEntityId()); 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.. Bukkit.getScheduler().scheduleSyncDelayedTask(libsDisguises, new Runnable() { public void run() { sendSelfDisguise(player); } }); return; } int fakeId = selfDisguisesIds.get(player.getUniqueId()); // Add himself to his own entity tracker ((HashSet) entityTrackerEntry.getClass().getField("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)); sendSelfPacket( player, manager.createPacketConstructor(PacketType.Play.Server.ENTITY_METADATA, player.getEntityId(), WrappedDataWatcher.getEntityWatcher(player), true).createPacket(player.getEntityId(), WrappedDataWatcher.getEntityWatcher(player), true), fakeId); 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()), fakeId); } // 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()), fakeId); } 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), fakeId); } // 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), fakeId); } } 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()), fakeId); } // Resend any active potion effects Iterator iterator = player.getActivePotionEffects().iterator(); while (iterator.hasNext()) { PotionEffect potionEffect = (PotionEffect) iterator.next(); sendSelfPacket(player, manager.createPacketConstructor(PacketType.Play.Server.ENTITY_EFFECT, player.getEntityId(), potionEffect) .createPacket(player.getEntityId(), potionEffect), fakeId); } } 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, int fakeId) { 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, fakeId); 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; } try { // Grab the entity ID the fake disguise will use Field field = ReflectionManager.getNmsClass("Entity").getDeclaredField("entityCount"); field.setAccessible(true); int id = field.getInt(null); // Set the entitycount plus one so we don't have the id being reused field.set(null, id + 1); selfDisguisesIds.put(player.getUniqueId(), id); } catch (Exception ex) { ex.printStackTrace(); } sendSelfDisguise(player); if (disguise.isHidingArmorFromSelf() || disguise.isHidingHeldItemFromSelf()) { if (PacketsManager.isInventoryListenerEnabled()) { player.updateInventory(); } } } }