package me.libraryaddict.disguise.utilities; import java.lang.reflect.Array; 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.List; import java.util.Map; import java.util.Random; import java.util.Set; import java.util.UUID; import java.util.regex.Pattern; import org.bukkit.Bukkit; import org.bukkit.Location; import org.bukkit.Material; import org.bukkit.World; import org.bukkit.block.BlockFace; import org.bukkit.entity.Ageable; import org.bukkit.entity.Entity; import org.bukkit.entity.Player; import org.bukkit.entity.Zombie; import org.bukkit.inventory.EquipmentSlot; import org.bukkit.inventory.ItemStack; import org.bukkit.potion.PotionEffect; import org.bukkit.scheduler.BukkitRunnable; import org.bukkit.scoreboard.Scoreboard; import org.bukkit.scoreboard.Team; import org.bukkit.scoreboard.Team.Option; import org.bukkit.scoreboard.Team.OptionStatus; import org.bukkit.util.Vector; import com.comphenix.protocol.PacketType; import com.comphenix.protocol.PacketType.Play.Server; import com.comphenix.protocol.ProtocolLibrary; import com.comphenix.protocol.ProtocolManager; import com.comphenix.protocol.events.PacketContainer; import com.comphenix.protocol.reflect.StructureModifier; import com.comphenix.protocol.wrappers.BlockPosition; import com.comphenix.protocol.wrappers.WrappedDataWatcher; import com.comphenix.protocol.wrappers.WrappedGameProfile; 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.TargetedDisguise.TargetType; import me.libraryaddict.disguise.disguisetypes.watchers.AgeableWatcher; import me.libraryaddict.disguise.disguisetypes.watchers.PlayerWatcher; import me.libraryaddict.disguise.disguisetypes.watchers.ZombieWatcher; import me.libraryaddict.disguise.utilities.PacketsManager.LibsPackets; public class DisguiseUtilities { public static final Random random = new Random(); /** * 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 addedByPlugins = new HashSet<>(); private static LinkedHashMap clonedDisguises = new LinkedHashMap<>(); /** * A hashmap of the uuid's of entitys, alive and dead. And their disguises in use */ private static HashMap> disguisesInUse = new HashMap<>(); /** * 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> futureDisguises = new HashMap<>(); /** * A hashmap storing the uuid and skin of a playername */ private static HashMap gameProfiles = new HashMap<>(); private static LibsDisguises libsDisguises; private static HashMap> runnables = new HashMap<>(); private static HashSet selfDisguised = new HashSet<>(); private static Thread mainThread; private static PacketContainer spawnChunk; static { try { Object server = ReflectionManager.getNmsMethod("MinecraftServer", "getServer").invoke(null); Object world = ((List) server.getClass().getField("worlds").get(server)).get(0); Object bedChunk = ReflectionManager.getNmsClass("Chunk") .getConstructor(ReflectionManager.getNmsClass("World"), int.class, int.class).newInstance(world, 0, 0); Field cSection = bedChunk.getClass().getDeclaredField("sections"); cSection.setAccessible(true); Object chunkSection = ReflectionManager.getNmsClass("ChunkSection").getConstructor(int.class, boolean.class) .newInstance(0, true); Object block = ReflectionManager.getNmsClass("Block").getMethod("getById", int.class).invoke(null, Material.BED_BLOCK.getId()); Method fromLegacyData = block.getClass().getMethod("fromLegacyData", int.class); Method setType = chunkSection.getClass().getMethod("setType", int.class, int.class, int.class, ReflectionManager.getNmsClass("IBlockData")); Method setSky = chunkSection.getClass().getMethod("a", int.class, int.class, int.class, int.class); Method setEmitted = chunkSection.getClass().getMethod("b", int.class, int.class, int.class, int.class); for (BlockFace face : new BlockFace[] { BlockFace.EAST, BlockFace.WEST, BlockFace.NORTH, BlockFace.SOUTH }) { int x = 1 + face.getModX(); int z = 1 + face.getModZ(); setType.invoke(chunkSection, x, 0, z, fromLegacyData.invoke(block, face.ordinal())); setSky.invoke(chunkSection, x, 0, z, 0); setEmitted.invoke(chunkSection, x, 0, z, 0); } Object[] array = (Object[]) Array.newInstance(chunkSection.getClass(), 16); array[0] = chunkSection; cSection.set(bedChunk, array); spawnChunk = ProtocolLibrary.getProtocolManager() .createPacketConstructor(PacketType.Play.Server.MAP_CHUNK, bedChunk, 65535).createPacket(bedChunk, 65535); Field threadField = ReflectionManager.getNmsField("MinecraftServer", "primaryThread"); threadField.setAccessible(true); mainThread = (Thread) threadField.get(ReflectionManager.getMinecraftServer()); } catch (Exception ex) { ex.printStackTrace(); } } 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()); } 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()); } futureDisguises.get(entityId).add(disguise); final BukkitRunnable runnable = new BukkitRunnable() { @Override 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 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(); d.removeDisguise(); } } } } } } /** * Sends entity removal packets, as this disguise was removed */ public static void destroyEntity(TargetedDisguise disguise) { if (mainThread != Thread.currentThread()) throw new IllegalStateException("Cannot modify disguises on an async thread"); try { Object entityTrackerEntry = ReflectionManager.getEntityTrackerEntry(disguise.getEntity()); if (entityTrackerEntry == null) return; Set trackedPlayers = (Set) ReflectionManager.getNmsField("EntityTrackerEntry", "trackedPlayers") .get(entityTrackerEntry); // If the tracker exists. Remove himself from his tracker trackedPlayers = (Set) new HashSet(trackedPlayers).clone(); // Copy before iterating to prevent // ConcurrentModificationException PacketContainer destroyPacket = new PacketContainer(Server.ENTITY_DESTROY); destroyPacket.getIntegerArrays().write(0, new int[] { disguise.getEntity().getEntityId() }); for (Object p : trackedPlayers) { Player player = (Player) ReflectionManager.getBukkitEntity(p); if (player == disguise.getEntity() || disguise.canSee(player)) { ProtocolLibrary.getProtocolManager().sendServerPacket(player, destroyPacket); } } } catch (Exception ex) { ex.printStackTrace(); } } public static void doBoundingBox(TargetedDisguise disguise) { 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 getAddedByPlugins() { return addedByPlugins; } public static int getChunkCord(int blockCord) { int cord = (int) Math.floor(blockCord / 16D) - 17; cord -= (cord % 8); return cord; } public static PacketContainer[] getBedChunkPacket(Location newLoc, Location oldLoc) { int i = 0; PacketContainer[] packets = new PacketContainer[(newLoc != null ? 1 : 0) + (oldLoc != null ? 1 : 0)]; if (oldLoc != null) { PacketContainer despawn = new PacketContainer(Server.UNLOAD_CHUNK); StructureModifier modifier = despawn.getModifier(); modifier.write(0, getChunkCord(oldLoc.getBlockX())); modifier.write(1, getChunkCord(oldLoc.getBlockZ())); packets[i++] = despawn; } if (newLoc != null) { PacketContainer spawn = spawnChunk.shallowClone(); StructureModifier modifier = spawn.getModifier(); modifier.write(0, getChunkCord(newLoc.getBlockX())); modifier.write(1, getChunkCord(newLoc.getBlockZ())); packets[i++] = spawn; } return packets; } public static PacketContainer[] getBedPackets(Location sleepingLocation, Location playerLocation, PlayerDisguise disguise) { int entity = disguise.getEntity().getEntityId(); PlayerWatcher watcher = disguise.getWatcher(); PacketContainer setBed = new PacketContainer(Server.BED); int bX = (getChunkCord(playerLocation.getBlockX()) * 16) + 1 + watcher.getSleepingDirection().getModX(); int bZ = (getChunkCord(playerLocation.getBlockZ()) * 16) + 1 + watcher.getSleepingDirection().getModZ(); setBed.getIntegers().write(0, entity); setBed.getBlockPositionModifier().write(0, new BlockPosition(bX, 0, bZ)); PacketContainer teleport = new PacketContainer(Server.ENTITY_TELEPORT); StructureModifier doubles = teleport.getDoubles(); teleport.getIntegers().write(0, entity); doubles.write(0, sleepingLocation.getX()); doubles.write(1, PacketsManager.getYModifier(disguise.getEntity(), disguise) + sleepingLocation.getY()); doubles.write(2, sleepingLocation.getZ()); return new PacketContainer[] { setBed, teleport }; } public static Disguise getClonedDisguise(String key) { if (clonedDisguises.containsKey(key)) { return clonedDisguises.get(key).clone(); } return null; } public static PacketContainer getDestroyPacket(int... ids) { PacketContainer destroyPacket = new PacketContainer(Server.ENTITY_DESTROY); destroyPacket.getIntegerArrays().write(0, ids); return destroyPacket; } 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 disguisesInUse; } public static TargetedDisguise[] getDisguises(UUID entityId) { if (getDisguises().containsKey(entityId)) { HashSet disguises = getDisguises().get(entityId); return disguises.toArray(new TargetedDisguise[disguises.size()]); } return new TargetedDisguise[0]; } public static HashMap> getFutureDisguises() { return futureDisguises; } public static WrappedGameProfile getGameProfile(String playerName) { return gameProfiles.get(playerName.toLowerCase()); } public static HashMap 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 targeted disguise. * * @param disguise * @return */ public static List getPerverts(Disguise disguise) { if (mainThread != Thread.currentThread()) throw new IllegalStateException("Cannot modify disguises on an async thread"); if (disguise.getEntity() == null) throw new IllegalStateException("The entity for the disguisetype " + disguise.getType().name() + " is null!"); List players = new ArrayList<>(); try { Object entityTrackerEntry = ReflectionManager.getEntityTrackerEntry(disguise.getEntity()); if (entityTrackerEntry != null) { Set trackedPlayers = (Set) ReflectionManager.getNmsField("EntityTrackerEntry", "trackedPlayers") .get(entityTrackerEntry); trackedPlayers = (Set) new HashSet(trackedPlayers).clone(); // Copy before iterating to prevent // ConcurrentModificationException 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 String nameToFetch = disguise.getSkin() != null ? disguise.getSkin() : disguise.getName(); final boolean remove = getAddedByPlugins().contains(nameToFetch.toLowerCase()); return getProfileFromMojang(nameToFetch, new LibsProfileLookup() { @Override public void onLookup(WrappedGameProfile gameProfile) { if (remove) { getAddedByPlugins().remove(nameToFetch.toLowerCase()); } if (DisguiseAPI.isDisguiseInUse(disguise) && (!gameProfile.getName().equals(disguise.getSkin() != null ? disguise.getSkin() : disguise.getName()) || !gameProfile.getProperties().isEmpty())) { disguise.setGameProfile(gameProfile); DisguiseUtilities.refreshTrackers(disguise); } } }, LibsDisguises.getInstance().getConfig().getBoolean("ContactMojangServers", true)); } /** * Pass in a set, check if it's a hashset. If it's not, return false. If you pass in something else, you failed. * * @param obj * @return */ private static boolean isHashSet(Object obj) { if (obj instanceof HashSet) return true; // It's Spigot/Bukkit if (obj instanceof Set) return false; // It's PaperSpigot/SportsBukkit throw new IllegalArgumentException("Object passed was not either a hashset or set!"); } /** * 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, true); } /** * 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, boolean contactMojang) { return getProfileFromMojang(playerName, (Object) runnableIfCantReturn, contactMojang); } private static WrappedGameProfile getProfileFromMojang(final String origName, final Object runnable, boolean contactMojang) { 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 (!gameProfile.getProperties().isEmpty()) { gameProfiles.put(playerName, gameProfile); return gameProfile; } } if (contactMojang) { // 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() { @Override public void run() { try { final WrappedGameProfile gameProfile = lookupGameProfile(origName); Bukkit.getScheduler().runTask(libsDisguises, new Runnable() { @Override public void run() { if (gameProfile.getProperties().isEmpty()) { return; } 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()); } } }); } } else { return ReflectionManager.getGameProfile(null, origName); } if (runnable != null) { if (!runnables.containsKey(playerName)) { runnables.put(playerName, new ArrayList<>()); } runnables.get(playerName).add(runnable); } return null; } /** * 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, true); } /** * 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, boolean contactMojang) { return getProfileFromMojang(playerName, (Object) runnableIfCantReturn, contactMojang); } public static HashSet 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) { return ReflectionManager.getSkullBlob(ReflectionManager.grabProfileAddUUID(playerName)); } /** * Resends the entity to this specific player */ public static void refreshTracker(final TargetedDisguise disguise, String player) { if (mainThread != Thread.currentThread()) throw new IllegalStateException("Cannot modify disguises on an async thread"); if (disguise.getEntity() == null || !disguise.getEntity().isValid()) return; try { PacketContainer destroyPacket = getDestroyPacket(disguise.getEntity().getEntityId()); if (disguise.isDisguiseInUse() && disguise.getEntity() instanceof Player && disguise.getEntity().getName().equalsIgnoreCase(player)) { removeSelfDisguise((Player) disguise.getEntity()); if (disguise.isSelfDisguiseVisible()) { selfDisguised.add(disguise.getEntity().getUniqueId()); } ProtocolLibrary.getProtocolManager().sendServerPacket((Player) disguise.getEntity(), destroyPacket); Bukkit.getScheduler().scheduleSyncDelayedTask(libsDisguises, new Runnable() { @Override public void run() { try { DisguiseUtilities.sendSelfDisguise((Player) disguise.getEntity(), disguise); } catch (Exception ex) { ex.printStackTrace(); } } }, 2); } else { final Object entityTrackerEntry = ReflectionManager.getEntityTrackerEntry(disguise.getEntity()); if (entityTrackerEntry == null) return; Set trackedPlayers = (Set) ReflectionManager.getNmsField("EntityTrackerEntry", "trackedPlayers") .get(entityTrackerEntry); Method clear = ReflectionManager.getNmsMethod("EntityTrackerEntry", "clear", ReflectionManager.getNmsClass("EntityPlayer")); final Method updatePlayer = ReflectionManager.getNmsMethod("EntityTrackerEntry", "updatePlayer", ReflectionManager.getNmsClass("EntityPlayer")); trackedPlayers = (Set) new HashSet(trackedPlayers).clone(); // Copy before iterating to prevent // ConcurrentModificationException for (final Object p : trackedPlayers) { Player pl = (Player) ReflectionManager.getBukkitEntity(p); if (!player.equalsIgnoreCase((pl).getName())) continue; clear.invoke(entityTrackerEntry, p); ProtocolLibrary.getProtocolManager().sendServerPacket(pl, destroyPacket); Bukkit.getScheduler().scheduleSyncDelayedTask(libsDisguises, new Runnable() { @Override public void run() { try { updatePlayer.invoke(entityTrackerEntry, p); } catch (Exception ex) { ex.printStackTrace(); } } }, 2); break; } } } catch ( Exception ex) { ex.printStackTrace(); } } /** * A convenience method for me to refresh trackers in other plugins */ public static void refreshTrackers(Entity entity) { if (mainThread != Thread.currentThread()) throw new IllegalStateException("Cannot modify disguises on an async thread"); if (entity.isValid()) { try { PacketContainer destroyPacket = getDestroyPacket(entity.getEntityId()); final Object entityTrackerEntry = ReflectionManager.getEntityTrackerEntry(entity); if (entityTrackerEntry != null) { Set trackedPlayers = (Set) ReflectionManager.getNmsField("EntityTrackerEntry", "trackedPlayers") .get(entityTrackerEntry); Method clear = ReflectionManager.getNmsMethod("EntityTrackerEntry", "clear", ReflectionManager.getNmsClass("EntityPlayer")); final Method updatePlayer = ReflectionManager.getNmsMethod("EntityTrackerEntry", "updatePlayer", ReflectionManager.getNmsClass("EntityPlayer")); trackedPlayers = (Set) new HashSet(trackedPlayers).clone(); // Copy before iterating to prevent // ConcurrentModificationException for (final Object p : trackedPlayers) { Player player = (Player) ReflectionManager.getBukkitEntity(p); if (player != entity) { clear.invoke(entityTrackerEntry, p); ProtocolLibrary.getProtocolManager().sendServerPacket(player, destroyPacket); Bukkit.getScheduler().scheduleSyncDelayedTask(libsDisguises, new Runnable() { @Override public void run() { try { updatePlayer.invoke(entityTrackerEntry, p); } catch (Exception ex) { ex.printStackTrace(); } } }, 2); } } } } catch (Exception ex) { ex.printStackTrace(); } } } /** * Resends the entity to all the watching players, which is where the magic begins */ public static void refreshTrackers(final TargetedDisguise disguise) { if (mainThread != Thread.currentThread()) throw new IllegalStateException("Cannot modify disguises on an async thread"); if (disguise.getEntity().isValid()) { PacketContainer destroyPacket = getDestroyPacket(disguise.getEntity().getEntityId()); try { if (selfDisguised.contains(disguise.getEntity().getUniqueId()) && disguise.isDisguiseInUse()) { removeSelfDisguise((Player) disguise.getEntity()); selfDisguised.add(disguise.getEntity().getUniqueId()); ProtocolLibrary.getProtocolManager().sendServerPacket((Player) disguise.getEntity(), destroyPacket); Bukkit.getScheduler().scheduleSyncDelayedTask(libsDisguises, new Runnable() { @Override public void run() { try { DisguiseUtilities.sendSelfDisguise((Player) disguise.getEntity(), disguise); } catch (Exception ex) { ex.printStackTrace(); } } }, 2); } final Object entityTrackerEntry = ReflectionManager.getEntityTrackerEntry(disguise.getEntity()); if (entityTrackerEntry != null) { Set trackedPlayers = (Set) ReflectionManager.getNmsField("EntityTrackerEntry", "trackedPlayers") .get(entityTrackerEntry); final Method clear = ReflectionManager.getNmsMethod("EntityTrackerEntry", "clear", ReflectionManager.getNmsClass("EntityPlayer")); final Method updatePlayer = ReflectionManager.getNmsMethod("EntityTrackerEntry", "updatePlayer", ReflectionManager.getNmsClass("EntityPlayer")); trackedPlayers = (Set) new HashSet(trackedPlayers).clone(); for (final Object p : trackedPlayers) { Player player = (Player) ReflectionManager.getBukkitEntity(p); if (disguise.getEntity() != player && disguise.canSee(player)) { clear.invoke(entityTrackerEntry, p); ProtocolLibrary.getProtocolManager().sendServerPacket(player, destroyPacket); Bukkit.getScheduler().scheduleSyncDelayedTask(libsDisguises, new Runnable() { @Override public void run() { try { updatePlayer.invoke(entityTrackerEntry, p); } catch (Exception ex) { ex.printStackTrace(); } } }, 2); } } } } 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 removeGameProfile(String string) { gameProfiles.remove(string.toLowerCase()); } public static void removeSelfDisguise(Player player) { if (mainThread != Thread.currentThread()) throw new IllegalStateException("Cannot modify disguises on an async thread"); if (!selfDisguised.contains(player.getUniqueId())) { return; } // Send a packet to destroy the fake entity PacketContainer packet = getDestroyPacket(DisguiseAPI.getSelfDisguiseId()); try { ProtocolLibrary.getProtocolManager().sendServerPacket(player, packet); } catch (Exception ex) { ex.printStackTrace(); } // Code to stop player pushing in 1.9 Scoreboard scoreboard = player.getScoreboard(); Team t; if ((t = scoreboard.getTeam("LDPushing")) != null) { t.removeEntry(player.getName()); } // player.spigot().setCollidesWithEntities(true); // Finish up // 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) { Object trackedPlayersObj = ReflectionManager.getNmsField("EntityTrackerEntry", "trackedPlayers") .get(entityTrackerEntry); // If the tracker exists. Remove himself from his tracker if (isHashSet(trackedPlayersObj)) { ((Set) ReflectionManager.getNmsField("EntityTrackerEntry", "trackedPlayers").get(entityTrackerEntry)) .remove(ReflectionManager.getNmsEntity(player)); } else { ((Map) ReflectionManager.getNmsField("EntityTrackerEntry", "trackedPlayerMap") .get(entityTrackerEntry)).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(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) { if (mainThread != Thread.currentThread()) throw new IllegalStateException("Cannot modify disguises on an async thread"); 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() { @Override public void run() { if (DisguiseAPI.getDisguise(player, player) == disguise) { sendSelfDisguise(player, disguise); } } }); return; } // Code to stop player pushing Scoreboard scoreboard = player.getScoreboard(); Team t; if ((t = scoreboard.getTeam("LDPushing")) == null) { t = scoreboard.registerNewTeam("LDPushing"); } if (t.getOption(Option.COLLISION_RULE) != OptionStatus.NEVER) { t.setOption(Option.COLLISION_RULE, OptionStatus.NEVER); t.setCanSeeFriendlyInvisibles(false); } if (!t.hasEntry(player.getName())) t.addEntry(player.getName()); // Add himself to his own entity tracker Object trackedPlayersObj = ReflectionManager.getNmsField("EntityTrackerEntry", "trackedPlayers") .get(entityTrackerEntry); // Check for code differences in PaperSpigot vs Spigot if (isHashSet(trackedPlayersObj)) { ((Set) ReflectionManager.getNmsField("EntityTrackerEntry", "trackedPlayers").get(entityTrackerEntry)) .add(ReflectionManager.getNmsEntity(player)); } else { ((Map) ReflectionManager.getNmsField("EntityTrackerEntry", "trackedPlayerMap") .get(entityTrackerEntry)).put(ReflectionManager.getNmsEntity(player), true); } ProtocolManager manager = ProtocolLibrary.getProtocolManager(); // Send the player a packet with himself being spawned manager.sendServerPacket(player, manager.createPacketConstructor(Server.NAMED_ENTITY_SPAWN, player).createPacket(player)); WrappedDataWatcher dataWatcher = WrappedDataWatcher.getEntityWatcher(player); sendSelfPacket(player, manager.createPacketConstructor(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(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(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(Server.ATTACH_ENTITY, 0, player.getPassenger(), player) .createPacket(0, player.getPassenger(), player)); } sendSelfPacket(player, manager.createPacketConstructor(Server.ENTITY_EQUIPMENT, 0, ReflectionManager.createEnumItemSlot(EquipmentSlot.HEAD), ReflectionManager.getNmsItem(new ItemStack(Material.STONE))).createPacket(player.getEntityId(), ReflectionManager.createEnumItemSlot(EquipmentSlot.HEAD), ReflectionManager.getNmsItem(player.getInventory().getHelmet()))); sendSelfPacket(player, manager.createPacketConstructor(Server.ENTITY_EQUIPMENT, 0, ReflectionManager.createEnumItemSlot(EquipmentSlot.HEAD), ReflectionManager.getNmsItem(new ItemStack(Material.STONE))).createPacket(player.getEntityId(), ReflectionManager.createEnumItemSlot(EquipmentSlot.CHEST), ReflectionManager.getNmsItem(player.getInventory().getChestplate()))); sendSelfPacket(player, manager.createPacketConstructor(Server.ENTITY_EQUIPMENT, 0, ReflectionManager.createEnumItemSlot(EquipmentSlot.HEAD), ReflectionManager.getNmsItem(new ItemStack(Material.STONE))).createPacket(player.getEntityId(), ReflectionManager.createEnumItemSlot(EquipmentSlot.LEGS), ReflectionManager.getNmsItem(player.getInventory().getLeggings()))); sendSelfPacket(player, manager.createPacketConstructor(Server.ENTITY_EQUIPMENT, 0, ReflectionManager.createEnumItemSlot(EquipmentSlot.HEAD), ReflectionManager.getNmsItem(new ItemStack(Material.STONE))).createPacket(player.getEntityId(), ReflectionManager.createEnumItemSlot(EquipmentSlot.FEET), ReflectionManager.getNmsItem(player.getInventory().getBoots()))); sendSelfPacket(player, manager.createPacketConstructor(Server.ENTITY_EQUIPMENT, 0, ReflectionManager.createEnumItemSlot(EquipmentSlot.HEAD), ReflectionManager.getNmsItem(new ItemStack(Material.STONE))).createPacket(player.getEntityId(), ReflectionManager.createEnumItemSlot(EquipmentSlot.HAND), ReflectionManager.getNmsItem(player.getInventory().getItemInMainHand()))); sendSelfPacket(player, manager.createPacketConstructor(Server.ENTITY_EQUIPMENT, 0, ReflectionManager.createEnumItemSlot(EquipmentSlot.HEAD), ReflectionManager.getNmsItem(new ItemStack(Material.STONE))).createPacket(player.getEntityId(), ReflectionManager.createEnumItemSlot(EquipmentSlot.OFF_HAND), ReflectionManager.getNmsItem(player.getInventory().getItemInOffHand()))); Location loc = player.getLocation(); // If the disguised is sleeping for w/e reason if (player.isSleeping()) { sendSelfPacket(player, manager.createPacketConstructor(Server.BED, player, ReflectionManager.getBlockPosition(0, 0, 0)) .createPacket(player, ReflectionManager.getBlockPosition(loc.getBlockX(), loc.getBlockY(), loc.getBlockZ()))); } // Resend any active potion effects for (PotionEffect potionEffect : player.getActivePotionEffects()) { Object mobEffect = ReflectionManager.createMobEffect(potionEffect); sendSelfPacket(player, manager.createPacketConstructor(Server.ENTITY_EFFECT, player.getEntityId(), mobEffect) .createPacket(player.getEntityId(), mobEffect)); } } catch (Exception ex) { ex.printStackTrace(); } } public static LibsDisguises getPlugin() { return libsDisguises; } /** * Method to send a packet to the self disguise, translate his entity ID to the fake id. */ private static void sendSelfPacket(final Player player, final PacketContainer packet) { final Disguise disguise = DisguiseAPI.getDisguise(player, player); // If disguised. if (disguise == null) { return; } LibsPackets transformed = PacketsManager.transformPacket(packet, disguise, player, player); try { if (transformed.isUnhandled()) transformed.addPacket(packet); transformed.setPacketType(packet.getType()); for (PacketContainer p : transformed.getPackets()) { p = p.deepClone(); p.getIntegers().write(0, DisguiseAPI.getSelfDisguiseId()); ProtocolLibrary.getProtocolManager().sendServerPacket(player, p, false); } transformed.sendDelayed(player); } catch (InvocationTargetException e) { e.printStackTrace(); } } /** * Setup it so he can see himself when disguised * * @param disguise */ 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; } // player.spigot().setCollidesWithEntities(false); // Finish up selfDisguised.add(player.getUniqueId()); sendSelfDisguise(player, (TargetedDisguise) disguise); if (disguise.isHidingArmorFromSelf() || disguise.isHidingHeldItemFromSelf()) { if (PacketsManager.isInventoryListenerEnabled()) { player.updateInventory(); } } } }