package me.libraryaddict.disguise.utilities.reflection; import com.comphenix.protocol.reflect.FieldAccessException; import com.comphenix.protocol.wrappers.*; import com.comphenix.protocol.wrappers.EnumWrappers.Direction; import com.comphenix.protocol.wrappers.WrappedDataWatcher.WrappedDataWatcherObject; import com.comphenix.protocol.wrappers.nbt.NbtWrapper; import lombok.Getter; import me.libraryaddict.disguise.DisguiseConfig; import me.libraryaddict.disguise.LibsDisguises; import me.libraryaddict.disguise.disguisetypes.*; import me.libraryaddict.disguise.disguisetypes.watchers.*; import me.libraryaddict.disguise.utilities.DisguiseSound; import me.libraryaddict.disguise.utilities.DisguiseUtilities; import me.libraryaddict.disguise.utilities.LibsPremium; import org.apache.commons.lang.ArrayUtils; import org.apache.commons.lang.StringUtils; import org.bukkit.*; import org.bukkit.configuration.InvalidConfigurationException; import org.bukkit.configuration.file.YamlConfiguration; import org.bukkit.craftbukkit.libs.it.unimi.dsi.fastutil.ints.Int2ObjectMap; import org.bukkit.entity.*; import org.bukkit.inventory.EquipmentSlot; import org.bukkit.inventory.ItemStack; import org.bukkit.inventory.meta.ItemMeta; import org.bukkit.potion.PotionEffect; import org.bukkit.util.Vector; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.lang.reflect.*; import java.nio.ByteBuffer; import java.nio.charset.StandardCharsets; import java.util.ArrayList; import java.util.Map; import java.util.Optional; import java.util.UUID; import java.util.concurrent.atomic.AtomicInteger; import java.util.stream.Collectors; public class ReflectionManager { private static String bukkitVersion; private static Class craftItemClass; private static Method damageAndIdleSoundMethod; private static Constructor boundingBoxConstructor; private static Method setBoundingBoxMethod; private static Field pingField; private static Field entityCountField; private static Field chunkMapField; private static Field chunkProviderField; private static Field entityTrackerField; private static Field trackedEntitiesField; @NmsRemovedIn(val = NmsVersion.v1_14) private static Method ihmGet; @NmsRemovedIn(val = NmsVersion.v1_14) private static Field trackerField; @NmsRemovedIn(val = NmsVersion.v1_14) private static Field entitiesField; @Getter private static NmsVersion version; public static void init() { try { Object entity = createEntityInstance(DisguiseType.COW, "Cow"); for (Method method : getNmsClass("EntityLiving").getDeclaredMethods()) { if (method.getReturnType() != float.class) continue; if (!Modifier.isProtected(method.getModifiers())) continue; if (method.getParameterTypes().length != 0) continue; method.setAccessible(true); float value = (Float) method.invoke(entity); if ((float) method.invoke(entity) != 0.4f) continue; damageAndIdleSoundMethod = method; break; } } catch (Exception ex) { ex.printStackTrace(); } craftItemClass = getCraftClass("inventory.CraftItemStack"); pingField = getNmsField("EntityPlayer", "ping"); if (NmsVersion.v1_14.isSupported()) { chunkProviderField = getNmsField("World", "chunkProvider"); chunkMapField = getNmsField("ChunkProviderServer", "playerChunkMap"); trackedEntitiesField = getNmsField("PlayerChunkMap", "trackedEntities"); entityTrackerField = getNmsField("PlayerChunkMap$EntityTracker", "trackerEntry"); } else { trackerField = getNmsField("WorldServer", "tracker"); entitiesField = getNmsField("EntityTracker", "trackedEntities"); ihmGet = getNmsMethod("IntHashMap", "get", int.class); } boundingBoxConstructor = getNmsConstructor("AxisAlignedBB", double.class, double.class, double.class, double.class, double.class, double.class); setBoundingBoxMethod = getNmsMethod("Entity", "a", getNmsClass("AxisAlignedBB")); entityCountField = getNmsField("Entity", "entityCount"); entityCountField.setAccessible(true); } public static boolean isSupported(AccessibleObject obj) { if (obj.isAnnotationPresent(NmsAddedIn.class)) { NmsAddedIn added = obj.getAnnotation(NmsAddedIn.class); // If it was added after this version if (!added.val().isSupported()) { return false; } } if (obj.isAnnotationPresent(NmsRemovedIn.class)) { NmsRemovedIn removed = obj.getAnnotation(NmsRemovedIn.class); if (removed.val().isSupported()) { return false; } } return true; } public static boolean isSupported(Class cl, String name) { try { for (Field field : cl.getFields()) { if (!field.getName().equals(name)) { continue; } return isSupported(field); } for (Method method : cl.getMethods()) { if (!method.getName().equals(name)) { continue; } return isSupported(method); } } catch (Exception ex) { ex.printStackTrace(); } return true; } public static YamlConfiguration getPluginYaml(ClassLoader loader) { try (InputStream stream = loader.getResourceAsStream("plugin.yml")) { YamlConfiguration config = new YamlConfiguration(); config.loadFromString(new BufferedReader(new InputStreamReader(stream, StandardCharsets.UTF_8)).lines() .collect(Collectors.joining("\n"))); return config; } catch (IOException | InvalidConfigurationException e) { e.printStackTrace(); } return null; } public static int getNewEntityId() { return getNewEntityId(true); } public static int getNewEntityId(boolean increment) { try { Number entityCount = (Number) entityCountField.get(null); if (increment) { if (NmsVersion.v1_14.isSupported()) { return ((AtomicInteger) entityCount).getAndIncrement(); } else { int id = entityCount.intValue(); entityCountField.set(null, id + 1); return id; } } return entityCount.intValue(); } catch (IllegalAccessException e) { e.printStackTrace(); } return -1; } public static Object createEntityInstance(DisguiseType disguiseType, String entityName) { try { Class entityClass = getNmsClass("Entity" + entityName); Object entityObject; Object world = getWorldServer(Bukkit.getWorlds().get(0)); if (entityName.equals("Player")) { Object minecraftServer = getNmsMethod("MinecraftServer", "getServer").invoke(null); Object playerinteractmanager = getNmsClass("PlayerInteractManager") .getDeclaredConstructor(getNmsClass(NmsVersion.v1_14.isSupported() ? "WorldServer" : "World")) .newInstance(world); WrappedGameProfile gameProfile = getGameProfile(new UUID(0, 0), "Steve"); entityObject = entityClass .getDeclaredConstructor(getNmsClass("MinecraftServer"), getNmsClass("WorldServer"), gameProfile.getHandleType(), playerinteractmanager.getClass()) .newInstance(minecraftServer, world, gameProfile.getHandle(), playerinteractmanager); } else if (entityName.equals("EnderPearl")) { entityObject = entityClass.getDeclaredConstructor(getNmsClass("World"), getNmsClass("EntityLiving")) .newInstance(world, createEntityInstance(DisguiseType.COW, "Cow")); } else if (entityName.equals("FishingHook")) { if (NmsVersion.v1_14.isSupported()) { entityObject = entityClass .getDeclaredConstructor(getNmsClass("EntityHuman"), getNmsClass("World"), int.class, int.class) .newInstance(createEntityInstance(DisguiseType.PLAYER, "Player"), world, 0, 0); } else { entityObject = entityClass.getDeclaredConstructor(getNmsClass("World"), getNmsClass("EntityHuman")) .newInstance(world, createEntityInstance(DisguiseType.PLAYER, "Player")); } } else if (!NmsVersion.v1_14.isSupported() && entityName.equals("Potion")) { entityObject = entityClass .getDeclaredConstructor(getNmsClass("World"), Double.TYPE, Double.TYPE, Double.TYPE, getNmsClass("ItemStack")) .newInstance(world, 0d, 0d, 0d, getNmsItem(new ItemStack(Material.SPLASH_POTION))); } else { if (NmsVersion.v1_14.isSupported()) { entityObject = entityClass.getDeclaredConstructor(getNmsClass("EntityTypes"), getNmsClass("World")) .newInstance(getEntityType(disguiseType.getEntityType()), world); } else { entityObject = entityClass.getDeclaredConstructor(getNmsClass("World")).newInstance(world); } } return entityObject; } catch (Exception e) { DisguiseUtilities.getLogger() .warning("Error while attempting to create entity instance for " + disguiseType.name()); e.printStackTrace(); } return null; } public static Object getMobEffectList(int id) { Method nmsMethod = getNmsMethod("MobEffectList", "fromId", Integer.TYPE); try { return nmsMethod.invoke(null, id); } catch (IllegalAccessException | InvocationTargetException e) { e.printStackTrace(); } return null; } public static Object createMobEffect(PotionEffect effect) { return createMobEffect(effect.getType().getId(), effect.getDuration(), effect.getAmplifier(), effect.isAmbient(), effect.hasParticles()); } public static Object createMobEffect(int id, int duration, int amplification, boolean ambient, boolean particles) { try { return getNmsClass("MobEffect") .getDeclaredConstructor(getNmsClass("MobEffectList"), Integer.TYPE, Integer.TYPE, Boolean.TYPE, Boolean.TYPE) .newInstance(getMobEffectList(id), duration, amplification, ambient, particles); } catch (Exception e) { e.printStackTrace(); } return null; } public static FakeBoundingBox getBoundingBox(Entity entity) { try { Object boundingBox = getNmsMethod("Entity", "getBoundingBox").invoke(getNmsEntity(entity)); double x = 0, y = 0, z = 0; int stage = 0; for (Field field : boundingBox.getClass().getDeclaredFields()) { if (!field.getType().getSimpleName().equals("double")) { continue; } stage++; switch (stage) { case 1: x -= field.getDouble(boundingBox); break; case 2: y -= field.getDouble(boundingBox); break; case 3: z -= field.getDouble(boundingBox); break; case 4: x += field.getDouble(boundingBox); break; case 5: y += field.getDouble(boundingBox); break; case 6: z += field.getDouble(boundingBox); break; default: throw new Exception("Error while setting the bounding box, more doubles than I thought??"); } } return new FakeBoundingBox(x, y, z); } catch (Exception ex) { ex.printStackTrace(); } return null; } public static Entity getBukkitEntity(Object nmsEntity) { try { return (Entity) getNmsMethod("Entity", "getBukkitEntity").invoke(nmsEntity); } catch (Exception ex) { ex.printStackTrace(); } return null; } public static ItemStack getBukkitItem(Object nmsItem) { try { return (ItemStack) craftItemClass.getMethod("asBukkitCopy", getNmsClass("ItemStack")).invoke(null, nmsItem); } catch (Exception e) { e.printStackTrace(); } return null; } public static String getBukkitVersion() { if (bukkitVersion == null) { bukkitVersion = Bukkit.getServer().getClass().getName().split("\\.")[3]; for (NmsVersion v : NmsVersion.values()) { if (!getBukkitVersion().startsWith(v.name())) { continue; } version = v; break; } } return bukkitVersion; } public static Class getCraftClass(String className) { try { return Class.forName("org.bukkit.craftbukkit." + getBukkitVersion() + "." + className); } catch (Exception e) { e.printStackTrace(); } return null; } public static Constructor getCraftConstructor(Class clazz, Class... parameters) { try { Constructor declaredConstructor = clazz.getDeclaredConstructor(parameters); declaredConstructor.setAccessible(true); return declaredConstructor; } catch (NoSuchMethodException e) { e.printStackTrace(); } return null; } public static Constructor getCraftConstructor(String className, Class... parameters) { return getCraftConstructor(getCraftClass(className), parameters); } public static Object getCraftSound(Sound sound) { try { return getCraftClass("CraftSound").getMethod("getSoundEffect", String.class) .invoke(null, getSoundString(sound)); } catch (Exception ex) { ex.printStackTrace(); } return null; } public static Object getEntityTrackerEntry(Entity target) throws Exception { Object world = getWorldServer(target.getWorld()); if (NmsVersion.v1_14.isSupported()) { Object chunkProvider = chunkProviderField.get(world); Object chunkMap = chunkMapField.get(chunkProvider); Map trackedEntities = (Map) trackedEntitiesField.get(chunkMap); Object entityTracker = trackedEntities.get(target.getEntityId()); if (entityTracker == null) { return null; } return entityTrackerField.get(entityTracker); } Object tracker = trackerField.get(world); Object trackedEntities = entitiesField.get(tracker); return ihmGet.invoke(trackedEntities, target.getEntityId()); } public static Object getMinecraftServer() { try { return getCraftMethod("CraftServer", "getServer").invoke(Bukkit.getServer()); } catch (IllegalAccessException | InvocationTargetException e) { e.printStackTrace(); } return null; } public static String getEnumArt(Art art) { try { Object enumArt = getCraftClass("CraftArt").getMethod("BukkitToNotch", Art.class).invoke(null, art); for (Field field : enumArt.getClass().getDeclaredFields()) { if (field.getType() == String.class) { return (String) field.get(enumArt); } } } catch (Exception ex) { ex.printStackTrace(); } return null; } public static Object getBlockPosition(int x, int y, int z) { try { return getNmsClass("BlockPosition").getDeclaredConstructor(int.class, int.class, int.class) .newInstance(x, y, z); } catch (Exception ex) { ex.printStackTrace(); } return null; } public static Enum getEnumDirection(int direction) { try { return (Enum) getNmsMethod("EnumDirection", "fromType2", int.class).invoke(null, direction); } catch (Exception ex) { ex.printStackTrace(); } return null; } public static Enum getEnumPlayerInfoAction(int action) { try { return (Enum) getNmsClass("PacketPlayOutPlayerInfo$EnumPlayerInfoAction").getEnumConstants()[action]; } catch (Exception ex) { ex.printStackTrace(); } return null; } public static Object getPlayerInfoData(Object playerInfoPacket, WrappedGameProfile gameProfile) { try { Object playerListName = getNmsClass("ChatComponentText").getDeclaredConstructor(String.class) .newInstance(gameProfile.getName()); return getNmsClass("PacketPlayOutPlayerInfo$PlayerInfoData") .getDeclaredConstructor(getNmsClass("PacketPlayOutPlayerInfo"), gameProfile.getHandleType(), int.class, getNmsClass("EnumGamemode"), getNmsClass("IChatBaseComponent")) .newInstance(playerInfoPacket, gameProfile.getHandle(), 0, getNmsClass("EnumGamemode").getEnumConstants()[1], playerListName); } catch (Exception ex) { ex.printStackTrace(); } return null; } public static WrappedGameProfile getGameProfile(Player player) { return WrappedGameProfile.fromPlayer(player); } public static WrappedGameProfile getGameProfile(UUID uuid, String playerName) { try { return new WrappedGameProfile(uuid != null ? uuid : getRandomUUID(), playerName); } catch (Exception ex) { ex.printStackTrace(); } return null; } public static WrappedGameProfile getClonedProfile(WrappedGameProfile gameProfile) { return getGameProfileWithThisSkin(null, gameProfile.getName(), gameProfile); } public static WrappedGameProfile getGameProfileWithThisSkin(UUID uuid, String playerName, WrappedGameProfile profileWithSkin) { try { WrappedGameProfile gameProfile = new WrappedGameProfile(uuid != null ? uuid : getRandomUUID(), playerName); if (profileWithSkin != null) { gameProfile.getProperties().putAll(profileWithSkin.getProperties()); } return gameProfile; } catch (Exception ex) { ex.printStackTrace(); } return null; } /** * Used for generating a UUID with a custom version instead of the default 4. Workaround for China's NetEase servers */ private static UUID getRandomUUID() { UUID uuid = UUID.randomUUID(); if (DisguiseConfig.getUUIDGeneratedVersion() == 4) { return uuid; } ByteBuffer bb = ByteBuffer.wrap(new byte[16]); bb.putLong(uuid.getMostSignificantBits()); bb.putLong(uuid.getLeastSignificantBits()); bb.put(6, (byte) (bb.get(6) & 0x0f)); // clear version bb.put(6, (byte) (bb.get(6) | DisguiseConfig.getUUIDGeneratedVersion())); // set to version X (Default 4) bb.position(0); long firstLong = bb.getLong(); long secondLong = bb.getLong(); return new UUID(firstLong, secondLong); } public static Class getNmsClass(String className) { try { return Class.forName("net.minecraft.server." + getBukkitVersion() + "." + className); } catch (Exception e) { e.printStackTrace(); } return null; } public static Class getNmsClassIgnoreErrors(String className) { try { return Class.forName("net.minecraft.server." + getBukkitVersion() + "." + className); } catch (Exception ignored) { } return null; } public static Constructor getNmsConstructor(Class clazz, Class... parameters) { try { Constructor declaredConstructor = clazz.getDeclaredConstructor(parameters); declaredConstructor.setAccessible(true); return declaredConstructor; } catch (NoSuchMethodException e) { e.printStackTrace(); } return null; } public static Constructor getNmsConstructor(String className, Class... parameters) { return getNmsConstructor(getNmsClass(className), parameters); } public static Object getNmsEntity(Entity entity) { try { return getCraftClass("entity.CraftEntity").getMethod("getHandle").invoke(entity); } catch (Exception ex) { ex.printStackTrace(); } return null; } public static Field getNmsField(Class clazz, String fieldName) { try { Field declaredField = clazz.getDeclaredField(fieldName); declaredField.setAccessible(true); return declaredField; } catch (NoSuchFieldException e) { e.printStackTrace(); } return null; } public static Field getNmsField(String className, String fieldName) { return getNmsField(getNmsClass(className), fieldName); } public static Object getNmsItem(ItemStack itemstack) { try { return craftItemClass.getMethod("asNMSCopy", ItemStack.class).invoke(null, itemstack); } catch (Exception e) { e.printStackTrace(); } return null; } public static Method getCraftMethod(String className, String methodName, Class... parameters) { return getCraftMethod(getCraftClass(className), methodName, parameters); } public static Method getCraftMethod(Class clazz, String methodName, Class... parameters) { try { Method declaredMethod = clazz.getDeclaredMethod(methodName, parameters); declaredMethod.setAccessible(true); return declaredMethod; } catch (NoSuchMethodException e) { e.printStackTrace(); } return null; } public static Method getNmsMethod(Class clazz, String methodName, Class... parameters) { try { Method declaredMethod = clazz.getDeclaredMethod(methodName, parameters); declaredMethod.setAccessible(true); return declaredMethod; } catch (NoSuchMethodException e) { e.printStackTrace(); } return null; } public static Method getNmsMethod(String className, String methodName, Class... parameters) { return getNmsMethod(getNmsClass(className), methodName, parameters); } public static double getPing(Player player) { try { return (double) pingField.getInt(ReflectionManager.getNmsEntity(player)); } catch (Exception ex) { ex.printStackTrace(); } return 0; } public static float[] getSize(Entity entity) { try { if (NmsVersion.v1_14.isSupported()) { Object size = getNmsField("Entity", "size").get(getNmsEntity(entity)); //float length = getNmsField("EntitySize", "length").getFloat(size); float width = getNmsField("EntitySize", "width").getFloat(size); float height = getNmsField("Entity", "headHeight").getFloat(getNmsEntity(entity)); return new float[]{width, height}; } else { // float length = getNmsField("Entity", "length").getFloat(getNmsEntity(entity)); float width = getNmsField("Entity", "width").getFloat(getNmsEntity(entity)); float height = (Float) getNmsMethod("Entity", "getHeadHeight").invoke(getNmsEntity(entity)); return new float[]{width, height}; } } catch (Exception ex) { ex.printStackTrace(); } return null; } public static WrappedGameProfile getSkullBlob(WrappedGameProfile gameProfile) { try { Object minecraftServer = getMinecraftServer(); for (Method method : getNmsClass("MinecraftServer").getMethods()) { if (method.getReturnType().getSimpleName().equals("MinecraftSessionService")) { Object session = method.invoke(minecraftServer); return WrappedGameProfile.fromHandle(session.getClass() .getDeclaredMethod("fillProfileProperties", gameProfile.getHandleType(), boolean.class) .invoke(session, gameProfile.getHandle(), true)); } } } catch (Exception ex) { ex.printStackTrace(); } return null; } public static Float getSoundModifier(Object entity) { try { return (Float) damageAndIdleSoundMethod.invoke(entity); } catch (Exception ignored) { } return null; } /** * Gets the UUID of the player, as well as properly capitalized playername */ public static WrappedGameProfile grabProfileAddUUID(String playername) { try { Object minecraftServer = getMinecraftServer(); for (Method method : getNmsClass("MinecraftServer").getMethods()) { if (method.getReturnType().getSimpleName().equals("GameProfileRepository")) { Object agent = Class.forName("com.mojang.authlib.Agent").getDeclaredField("MINECRAFT").get(null); LibsProfileLookupCaller callback = new LibsProfileLookupCaller(); Object profileRepo = method.invoke(minecraftServer); method.getReturnType().getMethod("findProfilesByNames", String[].class, agent.getClass(), Class.forName("com.mojang.authlib.ProfileLookupCallback")) .invoke(profileRepo, new String[]{playername}, agent, callback); if (callback.getGameProfile() != null) { return callback.getGameProfile(); } return getGameProfile(null, playername); } } } catch (Exception ex) { ex.printStackTrace(); } return null; } public static void setBoundingBox(Entity entity, FakeBoundingBox newBox) { try { Location loc = entity.getLocation(); Object boundingBox = boundingBoxConstructor .newInstance(loc.getX() - (newBox.getX() / 2), loc.getY(), loc.getZ() - (newBox.getZ() / 2), loc.getX() + (newBox.getX() / 2), loc.getY() + newBox.getY(), loc.getZ() + (newBox.getZ() / 2)); setBoundingBoxMethod.invoke(getNmsEntity(entity), boundingBox); } catch (Exception ex) { ex.printStackTrace(); } } public static Enum getSoundCategory(String category) { try { Method method = getNmsMethod("SoundCategory", "a"); for (Enum anEnum : (Enum[]) getNmsClass("SoundCategory").getEnumConstants()) { if (!category.equals(method.invoke(anEnum))) { continue; } return anEnum; } } catch (Exception e) { e.printStackTrace(); } return null; } public static Enum getSoundCategory(DisguiseType disguiseType) { if (disguiseType == DisguiseType.PLAYER) return getSoundCategory("player"); Class entityClass = disguiseType.getEntityType().getEntityClass(); if (Monster.class.isAssignableFrom(entityClass)) return getSoundCategory("hostile"); if (Ambient.class.isAssignableFrom(entityClass)) return getSoundCategory("ambient"); return getSoundCategory("neutral"); } /** * Creates the NMS object EnumItemSlot from an EquipmentSlot. * * @param slot * @return null if the equipment slot is null */ public static Enum createEnumItemSlot(EquipmentSlot slot) { Class clazz = getNmsClass("EnumItemSlot"); Object[] enums = clazz != null ? clazz.getEnumConstants() : null; if (enums == null) return null; switch (slot) { case HAND: return (Enum) enums[0]; case OFF_HAND: return (Enum) enums[1]; case FEET: return (Enum) enums[2]; case LEGS: return (Enum) enums[3]; case CHEST: return (Enum) enums[4]; case HEAD: return (Enum) enums[5]; default: return null; } } /** * Creates the Bukkit object EquipmentSlot from an EnumItemSlot object. * * @return null if the object isn't an nms EnumItemSlot */ public static EquipmentSlot createEquipmentSlot(Object enumItemSlot) { try { Enum nmsSlot = (Enum) enumItemSlot; switch (nmsSlot.name()) { case "MAINHAND": return EquipmentSlot.HAND; case "OFFHAND": return EquipmentSlot.OFF_HAND; case "FEET": return EquipmentSlot.FEET; case "LEGS": return EquipmentSlot.LEGS; case "CHEST": return EquipmentSlot.CHEST; case "HEAD": return EquipmentSlot.HEAD; } } catch (Exception e) { } return null; } /** * Gets equipment from this entity based on the slot given. * * @param slot * @return null if the disguisedEntity is not an instance of a living entity */ public static ItemStack getEquipment(EquipmentSlot slot, Entity disguisedEntity) { if (!(disguisedEntity instanceof LivingEntity)) return null; switch (slot) { case HAND: return ((LivingEntity) disguisedEntity).getEquipment().getItemInMainHand(); case OFF_HAND: return ((LivingEntity) disguisedEntity).getEquipment().getItemInOffHand(); case FEET: return ((LivingEntity) disguisedEntity).getEquipment().getBoots(); case LEGS: return ((LivingEntity) disguisedEntity).getEquipment().getLeggings(); case CHEST: return ((LivingEntity) disguisedEntity).getEquipment().getChestplate(); case HEAD: return ((LivingEntity) disguisedEntity).getEquipment().getHelmet(); default: return null; } } public static Object getSoundString(Sound sound) { try { return getCraftMethod("CraftSound", "getSound", Sound.class).invoke(null, sound); } catch (IllegalAccessException | InvocationTargetException e) { e.printStackTrace(); } return null; } public static Class getNmsClass(Class cl) { if (VillagerData.class.isAssignableFrom(cl)) { return getNmsClass("VillagerData"); } else if (BlockPosition.class.isAssignableFrom(cl)) { return getNmsClass("BlockPosition"); } else if (WrappedBlockData.class.isAssignableFrom(cl)) { return getNmsClass("IBlockData"); } else if (ItemStack.class.isAssignableFrom(cl)) { return getNmsClass("ItemStack"); } else if (WrappedChatComponent.class.isAssignableFrom(cl)) { return getNmsClass("IChatBaseComponent"); } else if (Vector3F.class.isAssignableFrom(cl)) { return getNmsClass("Vector3f"); } else if (Direction.class.isAssignableFrom(cl)) { return getNmsClass("EnumDirection"); } else if (WrappedParticle.class.isAssignableFrom(cl)) { return getNmsClass("ParticleParam"); } else if (EntityPose.class.isAssignableFrom(cl)) { return getNmsClass("EntityPose"); } else if (NbtWrapper.class.isAssignableFrom(cl)) { return getNmsClass("NBTTagCompound"); } return cl; } public static Object convertInvalidMeta(Object value) { if (value instanceof Optional) { Optional opt = (Optional) value; if (!opt.isPresent()) return NmsVersion.v1_13.isSupported() ? value : com.google.common.base.Optional.absent(); Object val = opt.get(); if (val instanceof BlockPosition) { BlockPosition pos = (BlockPosition) val; try { Object obj = getNmsConstructor("BlockPosition", int.class, int.class, int.class) .newInstance(pos.getX(), pos.getY(), pos.getZ()); return NmsVersion.v1_13.isSupported() ? Optional.of(obj) : com.google.common.base.Optional.of(obj); } catch (Exception ex) { ex.printStackTrace(); } } else if (val instanceof WrappedBlockData) { try { Object obj = ((WrappedBlockData) val).getHandle(); return NmsVersion.v1_13.isSupported() ? Optional.of(obj) : com.google.common.base.Optional.of(obj); } catch (Exception ex) { ex.printStackTrace(); } } else if (val instanceof ItemStack) { val = getNmsItem((ItemStack) val); if (val == null) return NmsVersion.v1_13.isSupported() ? Optional.empty() : com.google.common.base.Optional.absent(); else return Optional.of(val); } else if (val instanceof WrappedChatComponent) { Object obj = ((WrappedChatComponent) val).getHandle(); return NmsVersion.v1_13.isSupported() ? Optional.of(obj) : com.google.common.base.Optional.of(obj); }else if (!NmsVersion.v1_13.isSupported()) { return com.google.common.base.Optional.of(val); } } else if (value instanceof Vector3F) { Vector3F angle = (Vector3F) value; try { return getNmsConstructor("Vector3f", float.class, float.class, float.class) .newInstance(angle.getX(), angle.getY(), angle.getZ()); } catch (Exception ex) { ex.printStackTrace(); } } else if (value instanceof Direction) { try { return getNmsMethod("EnumDirection", "fromType1", int.class) .invoke(null, ((Direction) value).ordinal()); } catch (Exception ex) { ex.printStackTrace(); } } else if (value instanceof BlockPosition) { BlockPosition pos = (BlockPosition) value; try { return getNmsConstructor("BlockPosition", int.class, int.class, int.class) .newInstance(pos.getX(), pos.getY(), pos.getZ()); } catch (Exception ex) { ex.printStackTrace(); } } else if (value instanceof ItemStack) { return getNmsItem((ItemStack) value); } else if (value instanceof Double) { return ((Double) value).floatValue(); } else if (value instanceof NbtWrapper) { return ((NbtWrapper) value).getHandle(); } else if (value instanceof WrappedParticle) { return ((WrappedParticle) value).getHandle(); } else if (value instanceof EntityPose) { return getNmsEntityPose((EntityPose) value); } else if (value instanceof VillagerData) { return getNmsVillagerData((VillagerData) value); } else if (value instanceof WrappedChatComponent) { return ((WrappedChatComponent) value).getHandle(); } return value; } public static Object getNmsVillagerData(VillagerData data) { Object type = getVillagerType(data.getType()); Object profession = getVillagerProfession(data.getProfession()); try { return getNmsConstructor("VillagerData", getNmsClass("VillagerType"), profession.getClass(), int.class) .newInstance(type, profession, data.getLevel()); } catch (Exception e) { e.printStackTrace(); } return null; } public static Object getVillagerType(Villager.Type type) { try { Object villagerType = getNmsField("IRegistry", "VILLAGER_TYPE").get(null); Method toMinecraft = getCraftMethod("util.CraftNamespacedKey", "toMinecraft", NamespacedKey.class); Object mcKey = toMinecraft.invoke(null, type.getKey()); Method getField = getNmsMethod("RegistryBlocks", "get", mcKey.getClass()); return getField.invoke(villagerType, mcKey); } catch (Exception e) { e.printStackTrace(); } return null; } public static boolean isAssignableFrom(Class toCheck, Class checkAgainst) { if (!NmsVersion.v1_14.isSupported() && toCheck != checkAgainst) { if (toCheck == OcelotWatcher.class) { toCheck = TameableWatcher.class; } } return checkAgainst.isAssignableFrom(toCheck); } public static Class getSuperClass(Class cl) { if (cl == FlagWatcher.class) { return null; } if (!NmsVersion.v1_14.isSupported()) { if (cl == OcelotWatcher.class) { return TameableWatcher.class; } } return cl.getSuperclass(); } public static Object getVillagerProfession(Villager.Profession profession) { try { Object villagerProfession = getNmsField("IRegistry", "VILLAGER_PROFESSION").get(null); Method toMinecraft = getCraftMethod("util.CraftNamespacedKey", "toMinecraft", NamespacedKey.class); Object mcKey = toMinecraft.invoke(null, profession.getKey()); Method getField = getNmsMethod("RegistryBlocks", "get", mcKey.getClass()); return getField.invoke(villagerProfession, mcKey); } catch (Exception e) { e.printStackTrace(); } return null; } public static String getMinecraftVersion() { String version = Bukkit.getVersion(); version = version.substring(version.lastIndexOf(" ") + 1, version.length() - 1); return version; } public static WrappedDataWatcherObject createDataWatcherObject(MetaIndex index, Object value) { if (value == null) return null; return new WrappedDataWatcherObject(index.getIndex(), index.getSerializer()); } /** * This creates a DataWatcherItem usable with WrappedWatchableObject * * @param id * @param value * @return */ public static Object createDataWatcherItem(MetaIndex id, Object value) { WrappedDataWatcherObject watcherObject = createDataWatcherObject(id, value); Constructor construct = getNmsConstructor("DataWatcher$Item", getNmsClass("DataWatcherObject"), Object.class); try { return construct.newInstance(watcherObject.getHandle(), convertInvalidMeta(value)); } catch (InstantiationException | IllegalAccessException | InvocationTargetException e) { e.printStackTrace(); } return null; } public static Object createMinecraftKey(String name) { try { return getNmsClass("MinecraftKey").getConstructor(String.class).newInstance(name); } catch (Exception ex) { ex.printStackTrace(); } return null; } public static Object getVec3D(Vector vector) { try { Constructor c = getNmsConstructor("Vec3D", double.class, double.class, double.class); return c.newInstance(vector.getX(), vector.getY(), vector.getZ()); } catch (Exception ex) { ex.printStackTrace(); } return null; } public static Object getEntityType(EntityType entityType) { try { Method entityTypes = getNmsMethod("EntityTypes", "a", String.class); Object val = entityTypes.invoke(null, entityType.getName() == null ? entityType.name().toLowerCase() : entityType.getName()); if (NmsVersion.v1_14.isSupported()) { return ((Optional) val).orElse(null); } return val; } catch (Exception e) { e.printStackTrace(); } return null; } public static int getEntityTypeId(EntityType entityType) { try { if (NmsVersion.v1_13.isSupported()) { Object entityTypes = getEntityType(entityType); Class typesClass = getNmsClass("IRegistry"); Object registry = typesClass.getField("ENTITY_TYPE").get(null); return (int) registry.getClass().getMethod("a", Object.class).invoke(registry, entityTypes); } return entityType.getTypeId(); } catch (Exception ex) { ex.printStackTrace(); } throw new IllegalStateException("Failed to find EntityType id for " + entityType); } public static Object getNmsEntityPose(EntityPose entityPose) { return Enum.valueOf(getNmsClass("EntityPose"), entityPose.name()); } public static EntityPose getEntityPose(Object nmsEntityPose) { return EntityPose.valueOf(((Enum) nmsEntityPose).name()); } public static WrappedWatchableObject createWatchable(MetaIndex index, Object obj) { Object watcherItem = createDataWatcherItem(index, obj); if (watcherItem == null) return null; return new WrappedWatchableObject(watcherItem); } public static int getCombinedIdByItemStack(ItemStack itemStack) { try { Object nmsItem = getNmsItem(itemStack); Object item = getNmsMethod("ItemStack", "getItem").invoke(nmsItem); Class blockClass = getNmsClass("Block"); Object nmsBlock = getNmsMethod(blockClass, "asBlock", getNmsClass("Item")).invoke(null, item); Object iBlockData = getNmsMethod(blockClass, "getBlockData").invoke(nmsBlock); return (int) getNmsMethod("Block", "getCombinedId", getNmsClass("IBlockData")).invoke(null, iBlockData); } catch (Exception ex) { ex.printStackTrace(); } return 0; } public static ItemStack getItemStackByCombinedId(int id) { try { Method idMethod = getNmsMethod("Block", "getByCombinedId", int.class); Object iBlockData = idMethod.invoke(null, id); Class iBlockClass = getNmsClass("IBlockData"); Method getBlock = getNmsMethod(iBlockClass, "getBlock"); Object block = getBlock.invoke(iBlockData); Method getItem = getNmsMethod("Block", "t", iBlockClass); return getBukkitItem(getItem.invoke(block, iBlockData)); } catch (Exception ex) { ex.printStackTrace(); } return null; } public static Object getWorldServer(World w) { try { return getCraftMethod("CraftWorld", "getHandle").invoke(w); } catch (IllegalAccessException | InvocationTargetException e) { e.printStackTrace(); } return null; } public static Object getPlayerInteractManager(World w) { Object worldServer = getWorldServer(w); try { return getNmsConstructor("PlayerInteractManager", getNmsClass("World")).newInstance(worldServer); } catch (InstantiationException | InvocationTargetException | IllegalAccessException e) { e.printStackTrace(); } return null; } public static ItemMeta getDeserializedItemMeta(Map meta) { try { Method method = getCraftMethod(getCraftClass("inventory.CraftMetaItem$SerializableMeta"), "deserialize", Map.class); return (ItemMeta) method.invoke(null, meta); } catch (Exception e) { e.printStackTrace(); } return null; } private static Class getFlagWatcher(DisguiseType disguiseType) { Class watcherClass; try { switch (disguiseType) { case ARROW: watcherClass = TippedArrowWatcher.class; break; case COD: case SALMON: watcherClass = FishWatcher.class; break; case SPECTRAL_ARROW: watcherClass = ArrowWatcher.class; break; case PRIMED_TNT: watcherClass = TNTWatcher.class; break; case MINECART_CHEST: case MINECART_HOPPER: case MINECART_MOB_SPAWNER: case MINECART_TNT: watcherClass = MinecartWatcher.class; break; case SPIDER: case CAVE_SPIDER: watcherClass = SpiderWatcher.class; break; case PIG_ZOMBIE: case HUSK: case DROWNED: watcherClass = ZombieWatcher.class; break; case MAGMA_CUBE: watcherClass = SlimeWatcher.class; break; case ELDER_GUARDIAN: watcherClass = GuardianWatcher.class; break; case WITHER_SKELETON: case STRAY: watcherClass = SkeletonWatcher.class; break; case ILLUSIONER: case EVOKER: watcherClass = IllagerWizardWatcher.class; break; case PUFFERFISH: watcherClass = PufferFishWatcher.class; break; default: watcherClass = (Class) Class.forName( "me.libraryaddict.disguise.disguisetypes.watchers." + toReadable(disguiseType.name()) + "Watcher"); break; } } catch (ClassNotFoundException ex) { // There is no explicit watcher for this entity. Class entityClass = disguiseType.getEntityType().getEntityClass(); if (entityClass != null) { if (Tameable.class.isAssignableFrom(entityClass)) { watcherClass = TameableWatcher.class; } else if (Ageable.class.isAssignableFrom(entityClass)) { watcherClass = AgeableWatcher.class; } else if (Creature.class.isAssignableFrom(entityClass)) { watcherClass = InsentientWatcher.class; } else if (LivingEntity.class.isAssignableFrom(entityClass)) { watcherClass = LivingWatcher.class; } else if (Fish.class.isAssignableFrom(entityClass)) { watcherClass = FishWatcher.class; } else { watcherClass = FlagWatcher.class; } } else { watcherClass = FlagWatcher.class; // Disguise is unknown type } } return watcherClass; } /** * Here we create a nms entity for each disguise. Then grab their default values in their datawatcher. Then their * sound volume * for mob noises. As well as setting their watcher class and entity size. */ public static void registerValues() { for (DisguiseType disguiseType : DisguiseType.values()) { if (disguiseType.getEntityType() == null) { continue; } Class watcherClass = getFlagWatcher(disguiseType); if (watcherClass == null) { DisguiseUtilities.getLogger() .severe("Error loading " + disguiseType.name() + ", FlagWatcher not assigned"); continue; } // Invalidate invalid distribution if (LibsPremium.isPremium() && ((LibsPremium.getPaidInformation() != null && LibsPremium.getPaidInformation().isPremium() && !LibsPremium.getPaidInformation().isLegit()) || (LibsPremium.getPluginInformation() != null && LibsPremium.getPluginInformation().isPremium() && !LibsPremium.getPluginInformation().isLegit()))) { throw new IllegalStateException( "Error while checking pi rate on startup! Please re-download the jar from SpigotMC before " + "reporting this error!"); } disguiseType.setWatcherClass(watcherClass); if (LibsDisguises.getInstance() == null || DisguiseValues.getDisguiseValues(disguiseType) != null) { continue; } createNMSValues(disguiseType); } } private static void createNMSValues(DisguiseType disguiseType) { String nmsEntityName = toReadable(disguiseType.name()); Class nmsClass = ReflectionManager.getNmsClassIgnoreErrors("Entity" + nmsEntityName); if (nmsClass == null || Modifier.isAbstract(nmsClass.getModifiers())) { String[] split = splitReadable(disguiseType.name()); ArrayUtils.reverse(split); nmsEntityName = StringUtils.join(split); nmsClass = ReflectionManager.getNmsClassIgnoreErrors("Entity" + nmsEntityName); if (nmsClass == null || Modifier.isAbstract(nmsClass.getModifiers())) { nmsEntityName = null; } } if (nmsEntityName == null) { switch (disguiseType) { case DONKEY: nmsEntityName = "HorseDonkey"; break; case ARROW: nmsEntityName = "TippedArrow"; break; case DROPPED_ITEM: nmsEntityName = "Item"; break; case FIREBALL: nmsEntityName = "LargeFireball"; break; case FIREWORK: nmsEntityName = "Fireworks"; break; case GIANT: nmsEntityName = "GiantZombie"; break; case HUSK: nmsEntityName = "ZombieHusk"; break; case ILLUSIONER: nmsEntityName = "IllagerIllusioner"; break; case LEASH_HITCH: nmsEntityName = "Leash"; break; case MINECART: nmsEntityName = "MinecartRideable"; break; case MINECART_COMMAND: nmsEntityName = "MinecartCommandBlock"; break; case MINECART_TNT: nmsEntityName = "MinecartTNT"; break; case MULE: nmsEntityName = "HorseMule"; break; case PRIMED_TNT: nmsEntityName = "TNTPrimed"; break; case PUFFERFISH: nmsEntityName = "PufferFish"; break; case SPLASH_POTION: nmsEntityName = "Potion"; break; case STRAY: nmsEntityName = "SkeletonStray"; break; case TRIDENT: nmsEntityName = "ThrownTrident"; break; case WANDERING_TRADER: nmsEntityName = "VillagerTrader"; break; case TRADER_LLAMA: nmsEntityName = "LLamaTrader"; // Interesting capitalization break; default: break; } } try { if (disguiseType == DisguiseType.UNKNOWN) { DisguiseValues disguiseValues = new DisguiseValues(disguiseType, null, 0, 0); disguiseValues.setAdultBox(new FakeBoundingBox(0, 0, 0)); DisguiseSound sound = DisguiseSound.getType(disguiseType.name()); if (sound != null) { sound.setDamageAndIdleSoundVolume(1f); } return; } if (nmsEntityName == null) { DisguiseUtilities.getLogger().warning("Entity name not found! (" + disguiseType.name() + ")"); return; } Object nmsEntity = ReflectionManager.createEntityInstance(disguiseType, nmsEntityName); if (nmsEntity == null) { DisguiseUtilities.getLogger().warning("Entity not found! (" + nmsEntityName + ")"); return; } disguiseType.setTypeId(ReflectionManager.getEntityTypeId(disguiseType.getEntityType())); Entity bukkitEntity = ReflectionManager.getBukkitEntity(nmsEntity); int entitySize = 0; for (Field field : ReflectionManager.getNmsClass("Entity").getFields()) { if (field.getType().getName().equals("EnumEntitySize")) { Enum enumEntitySize = (Enum) field.get(nmsEntity); entitySize = enumEntitySize.ordinal(); break; } } DisguiseValues disguiseValues = new DisguiseValues(disguiseType, nmsEntity.getClass(), entitySize, bukkitEntity instanceof Damageable ? ((Damageable) bukkitEntity).getMaxHealth() : 0); WrappedDataWatcher watcher = WrappedDataWatcher.getEntityWatcher(bukkitEntity); ArrayList indexes = MetaIndex.getMetaIndexes(disguiseType.getWatcherClass()); boolean loggedName = false; for (WrappedWatchableObject watch : watcher.getWatchableObjects()) { MetaIndex flagType = MetaIndex.getMetaIndex(disguiseType.getWatcherClass(), watch.getIndex()); if (flagType == null) { DisguiseUtilities.getLogger() .severe("MetaIndex not found for " + disguiseType + "! Index: " + watch.getIndex()); DisguiseUtilities.getLogger() .severe("Value: " + watch.getRawValue() + " (" + watch.getRawValue().getClass() + ") (" + nmsEntity.getClass() + ") & " + disguiseType.getWatcherClass().getSimpleName()); continue; } indexes.remove(flagType); Object ourValue = ReflectionManager.convertInvalidMeta(flagType.getDefault()); Object nmsValue = ReflectionManager.convertInvalidMeta(watch.getValue()); if (ourValue.getClass() != nmsValue.getClass()) { if (!loggedName) { DisguiseUtilities.getLogger().severe(StringUtils.repeat("=", 20)); DisguiseUtilities.getLogger() .severe("MetaIndex mismatch! Disguise " + disguiseType + ", Entity " + nmsEntityName); loggedName = true; } DisguiseUtilities.getLogger().severe(StringUtils.repeat("-", 20)); DisguiseUtilities.getLogger() .severe("Index: " + watch.getIndex() + " | " + flagType.getFlagWatcher().getSimpleName() + " | " + MetaIndex.getName(flagType)); Object flagDefault = flagType.getDefault(); DisguiseUtilities.getLogger() .severe("LibsDisguises: " + flagDefault + " (" + flagDefault.getClass() + ")"); DisguiseUtilities.getLogger() .severe("LibsDisguises Converted: " + ourValue + " (" + ourValue.getClass() + ")"); DisguiseUtilities.getLogger() .severe("Minecraft: " + watch.getRawValue() + " (" + watch.getRawValue().getClass() + ")"); DisguiseUtilities.getLogger() .severe("Minecraft Converted: " + nmsValue + " (" + nmsValue.getClass() + ")"); DisguiseUtilities.getLogger().severe(StringUtils.repeat("-", 20)); } } for (MetaIndex index : indexes) { DisguiseUtilities.getLogger().warning( disguiseType + " has MetaIndex remaining! " + index.getFlagWatcher().getSimpleName() + " at index " + index.getIndex()); } DisguiseSound sound = DisguiseSound.getType(disguiseType.name()); if (sound != null) { Float soundStrength = ReflectionManager.getSoundModifier(nmsEntity); if (soundStrength != null) { sound.setDamageAndIdleSoundVolume(soundStrength); } } // Get the bounding box disguiseValues.setAdultBox(ReflectionManager.getBoundingBox(bukkitEntity)); if (bukkitEntity instanceof Ageable) { ((Ageable) bukkitEntity).setBaby(); disguiseValues.setBabyBox(ReflectionManager.getBoundingBox(bukkitEntity)); } else if (bukkitEntity instanceof Zombie) { ((Zombie) bukkitEntity).setBaby(true); disguiseValues.setBabyBox(ReflectionManager.getBoundingBox(bukkitEntity)); } //disguiseValues.setEntitySize(ReflectionManager.getSize(bukkitEntity)); } catch (SecurityException | IllegalArgumentException | IllegalAccessException | FieldAccessException ex) { DisguiseUtilities.getLogger() .severe("Uh oh! Trouble while making values for the disguise " + disguiseType.name() + "!"); DisguiseUtilities.getLogger().severe("Before reporting this error, " + "please make sure you are using the latest version of LibsDisguises and ProtocolLib."); DisguiseUtilities.getLogger().severe("Development builds are available at (ProtocolLib) " + "http://ci.dmulloy2.net/job/ProtocolLib/ and (LibsDisguises) https://ci.md-5" + ".net/job/LibsDisguises/"); ex.printStackTrace(); } } private static String[] splitReadable(String string) { String[] split = string.split("_"); for (int i = 0; i < split.length; i++) { split[i] = split[i].substring(0, 1) + split[i].substring(1).toLowerCase(); } return split; } private static String toReadable(String string) { return StringUtils.join(splitReadable(string)); } }