package me.libraryaddict.disguise.utilities; import java.lang.reflect.InvocationTargetException; import java.util.ArrayList; import java.util.Collection; import java.util.HashMap; import java.util.List; import java.util.Map.Entry; import java.util.UUID; import org.bukkit.Art; import org.bukkit.Bukkit; import org.bukkit.Location; import org.bukkit.Material; import org.bukkit.entity.Damageable; import org.bukkit.entity.Entity; import org.bukkit.entity.EntityType; import org.bukkit.entity.LivingEntity; import org.bukkit.entity.Player; import org.bukkit.inventory.EquipmentSlot; import org.bukkit.inventory.ItemStack; import org.bukkit.metadata.FixedMetadataValue; import org.bukkit.util.Vector; import com.comphenix.protocol.PacketType; import com.comphenix.protocol.PacketType.Play; import com.comphenix.protocol.PacketType.Play.Server; import com.comphenix.protocol.ProtocolLibrary; import com.comphenix.protocol.events.PacketContainer; import com.comphenix.protocol.events.PacketListener; import com.comphenix.protocol.reflect.StructureModifier; import com.comphenix.protocol.wrappers.WrappedAttribute; import com.comphenix.protocol.wrappers.WrappedAttribute.Builder; import com.comphenix.protocol.wrappers.WrappedDataWatcher; import com.comphenix.protocol.wrappers.WrappedDataWatcher.Registry; import com.comphenix.protocol.wrappers.WrappedDataWatcher.WrappedDataWatcherObject; import com.comphenix.protocol.wrappers.WrappedGameProfile; import com.comphenix.protocol.wrappers.WrappedWatchableObject; 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.FlagType; import me.libraryaddict.disguise.disguisetypes.FlagWatcher; import me.libraryaddict.disguise.disguisetypes.MiscDisguise; import me.libraryaddict.disguise.disguisetypes.PlayerDisguise; import me.libraryaddict.disguise.disguisetypes.watchers.LivingWatcher; import me.libraryaddict.disguise.disguisetypes.watchers.PlayerWatcher; import me.libraryaddict.disguise.utilities.packetlisteners.PacketListenerClientInteract; import me.libraryaddict.disguise.utilities.packetlisteners.PacketListenerInventory; import me.libraryaddict.disguise.utilities.packetlisteners.PacketListenerMain; import me.libraryaddict.disguise.utilities.packetlisteners.PacketListenerSounds; import me.libraryaddict.disguise.utilities.packetlisteners.PacketListenerViewDisguises; public class PacketsManager { public static class LibsPackets { private ArrayList packets = new ArrayList(); private HashMap> delayedPackets = new HashMap>(); private boolean isSpawnPlayer; private Disguise disguise; private boolean doNothing; public void setUnhandled() { doNothing = true; } public boolean isUnhandled() { return doNothing; } private LibsPackets(Disguise disguise) { this.disguise = disguise; } public Disguise getDisguise() { return disguise; } public void setPacketType(PacketType type) { isSpawnPlayer = type.name().contains("SPAWN_"); } public void addPacket(PacketContainer packet) { packets.add(packet); } public void addDelayedPacket(PacketContainer packet) { addDelayedPacket(packet, 2); } public void clear() { getPackets().clear(); } public void addDelayedPacket(PacketContainer packet, int ticksDelayed) { if (!delayedPackets.containsKey(ticksDelayed)) delayedPackets.put(ticksDelayed, new ArrayList()); delayedPackets.get(ticksDelayed).add(packet); } public ArrayList getPackets() { return packets; } public Collection> getDelayedPackets() { return delayedPackets.values(); } public void sendDelayed(final Player observer) { for (final Entry> entry : delayedPackets.entrySet()) { Bukkit.getScheduler().scheduleSyncDelayedTask(libsDisguises, new Runnable() { public void run() { try { for (PacketContainer packet : entry.getValue()) { ProtocolLibrary.getProtocolManager().sendServerPacket(observer, packet, false); } } catch (InvocationTargetException e) { e.printStackTrace(); } if (isSpawnPlayer) { PacketsManager.removeCancel(disguise, observer); } } }, entry.getKey()); } } } private static PacketListener clientInteractEntityListener; private static PacketListener inventoryListener; private static boolean inventoryModifierEnabled; private static LibsDisguises libsDisguises; private static PacketListener mainListener; private static PacketListener soundsListener; private static boolean soundsListenerEnabled; private static PacketListener viewDisguisesListener; private static boolean viewDisguisesListenerEnabled; private static HashMap> _cancelMeta = new HashMap>(); public static void addPacketListeners() { // Add a client listener to cancel them interacting with uninteractable disguised entitys. // You ain't supposed to be allowed to 'interact' with a item that cannot be clicked. // Because it kicks you for hacking. clientInteractEntityListener = new PacketListenerClientInteract(libsDisguises); ProtocolLibrary.getProtocolManager().addPacketListener(clientInteractEntityListener); // Now I call this and the main listener is registered! setupMainPacketsListener(); } public static void removeCancel(Disguise disguise, Player observer) { ArrayList cancel; if ((cancel = _cancelMeta.get(disguise)) == null) return; cancel.remove(observer.getUniqueId()); if (!cancel.isEmpty()) return; _cancelMeta.remove(disguise); } /** * Construct the packets I need to spawn in the disguise */ private static LibsPackets constructSpawnPackets(final Player observer, LibsPackets packets, Entity disguisedEntity) { Disguise disguise = packets.getDisguise(); if (disguise.getEntity() == null) { disguise.setEntity(disguisedEntity); } // This sends the armor packets so that the player isn't naked. // Please note it only sends the packets that wouldn't be sent normally if (DisguiseConfig.isEquipmentPacketsEnabled()) { for (EquipmentSlot slot : EquipmentSlot.values()) { ItemStack itemstack = disguise.getWatcher().getItemStack(slot); if (itemstack == null || itemstack.getType() == Material.AIR) { continue; } ItemStack item = null; if (disguisedEntity instanceof LivingEntity) { item = ReflectionManager.getEquipment(slot, disguisedEntity); } if (item != null && item.getType() != Material.AIR) { continue; } PacketContainer packet = new PacketContainer(Server.ENTITY_EQUIPMENT); StructureModifier mods = packet.getModifier(); mods.write(0, disguisedEntity.getEntityId()); mods.write(1, ReflectionManager.createEnumItemSlot(slot)); mods.write(2, ReflectionManager.getNmsItem(itemstack)); packets.addPacket(packet); } } if (DisguiseConfig.isMiscDisguisesForLivingEnabled()) { if (disguise.getWatcher() instanceof LivingWatcher) { ArrayList attributes = new ArrayList(); Builder builder = WrappedAttribute.newBuilder().attributeKey("generic.maxHealth"); if (((LivingWatcher) disguise.getWatcher()).isMaxHealthSet()) { builder.baseValue(((LivingWatcher) disguise.getWatcher()).getMaxHealth()); } else if (DisguiseConfig.isMaxHealthDeterminedByDisguisedEntity() && disguisedEntity instanceof Damageable) { builder.baseValue(((Damageable) disguisedEntity).getMaxHealth()); } else { builder.baseValue(DisguiseValues.getDisguiseValues(disguise.getType()).getMaxHealth()); } PacketContainer packet = new PacketContainer(Server.UPDATE_ATTRIBUTES); builder.packet(packet); attributes.add(builder.build()); packet.getIntegers().write(0, disguisedEntity.getEntityId()); packet.getAttributeCollectionModifier().write(0, attributes); packets.addPacket(packet); } } Location loc = disguisedEntity.getLocation().clone().add(0, getYModifier(disguisedEntity, disguise), 0); byte yaw = (byte) (int) (loc.getYaw() * 256.0F / 360.0F); byte pitch = (byte) (int) (loc.getPitch() * 256.0F / 360.0F); if (DisguiseConfig.isMovementPacketsEnabled()) { yaw = getYaw(disguise.getType(), disguisedEntity.getType(), yaw); pitch = getPitch(disguise.getType(), DisguiseType.getType(disguisedEntity.getType()), pitch); } if (disguise.getType() == DisguiseType.EXPERIENCE_ORB) { PacketContainer spawnOrb = new PacketContainer(Server.SPAWN_ENTITY_EXPERIENCE_ORB); packets.addPacket(spawnOrb); StructureModifier mods = spawnOrb.getModifier(); mods.write(0, disguisedEntity.getEntityId()); mods.write(1, loc.getX()); mods.write(2, loc.getY() + 0.06); mods.write(3, loc.getZ()); mods.write(4, 1); } else if (disguise.getType() == DisguiseType.PAINTING) { PacketContainer spawnPainting = new PacketContainer(Server.SPAWN_ENTITY_PAINTING); packets.addPacket(spawnPainting); StructureModifier mods = spawnPainting.getModifier(); mods.write(0, disguisedEntity.getEntityId()); mods.write(1, disguisedEntity.getUniqueId()); mods.write(2, ReflectionManager.getBlockPosition(loc.getBlockX(), loc.getBlockY(), loc.getBlockZ())); mods.write(3, ReflectionManager.getEnumDirection(((int) loc.getYaw()) % 4)); int id = ((MiscDisguise) disguise).getData(); mods.write(4, ReflectionManager.getEnumArt(Art.values()[id])); // Make the teleport packet to make it visible.. PacketContainer teleportPainting = new PacketContainer(Server.ENTITY_TELEPORT); packets.addPacket(teleportPainting); mods = teleportPainting.getModifier(); mods.write(0, disguisedEntity.getEntityId()); mods.write(1, loc.getX()); mods.write(2, loc.getY()); mods.write(3, loc.getZ()); mods.write(4, yaw); mods.write(5, pitch); } else if (disguise.getType().isPlayer()) { PlayerDisguise playerDisguise = (PlayerDisguise) disguise; String name = playerDisguise.getName(); int entityId = disguisedEntity.getEntityId(); boolean removeName = false; if (!DisguiseUtilities.hasGameProfile(name)) { removeName = !DisguiseUtilities.getAddedByPlugins().contains(name); } WrappedGameProfile gameProfile = playerDisguise.getGameProfile(); if (removeName) { DisguiseUtilities.getAddedByPlugins().remove(name); } // Send player info along with the disguise PacketContainer sendTab = new PacketContainer(Server.PLAYER_INFO); packets.addPacket(sendTab); // Add player to the list, necessary to spawn them sendTab.getModifier().write(0, ReflectionManager.getEnumPlayerInfoAction(0)); List playerList = new ArrayList(); playerList.add(ReflectionManager.getPlayerInfoData(sendTab.getHandle(), playerDisguise.getGameProfile())); sendTab.getModifier().write(1, playerList); // Spawn the player PacketContainer spawnPlayer = new PacketContainer(PacketType.Play.Server.NAMED_ENTITY_SPAWN); spawnPlayer.getIntegers().write(0, entityId); // Id spawnPlayer.getModifier().write(1, gameProfile.getUUID()); Location spawnAt = disguisedEntity.getLocation(); boolean selfDisguise = observer == disguisedEntity; WrappedDataWatcher newWatcher; if (selfDisguise) { newWatcher = createDataWatcher(WrappedDataWatcher.getEntityWatcher(disguisedEntity), disguise.getWatcher()); } else { newWatcher = new WrappedDataWatcher(); spawnAt = observer.getLocation(); spawnAt.add(spawnAt.getDirection().normalize().multiply(20)); } // Spawn him in front of the observer StructureModifier doubles = spawnPlayer.getDoubles(); doubles.write(0, spawnAt.getX()); doubles.write(1, spawnAt.getY()); doubles.write(2, spawnAt.getZ()); StructureModifier bytes = spawnPlayer.getBytes(); bytes.write(0, ((byte) (int) (loc.getYaw() * 256.0F / 360.0F))); bytes.write(1, ((byte) (int) (loc.getPitch() * 256.0F / 360.0F))); spawnPlayer.getDataWatcherModifier().write(0, newWatcher); // Make him invisible newWatcher.setObject(new WrappedDataWatcherObject(FlagType.ENTITY_META.getIndex(), Registry.get(Byte.class)), (byte) 32); packets.addPacket(spawnPlayer); if (DisguiseConfig.isBedPacketsEnabled() && ((PlayerWatcher) disguise.getWatcher()).isSleeping()) { PacketContainer[] bedPackets = DisguiseUtilities.getBedPackets( loc.clone().subtract(0, PacketsManager.getYModifier(disguisedEntity, disguise), 0), observer.getLocation(), ((PlayerDisguise) disguise)); for (PacketContainer packet : bedPackets) { packets.addPacket(packet); } } else if (!selfDisguise) { // Teleport the player back to where he's supposed to be PacketContainer teleportPacket = new PacketContainer(PacketType.Play.Server.ENTITY_TELEPORT); doubles = teleportPacket.getDoubles(); teleportPacket.getIntegers().write(0, entityId); // Id doubles.write(0, loc.getX()); doubles.write(1, loc.getY()); doubles.write(2, loc.getZ()); bytes = teleportPacket.getBytes(); bytes.write(0, ((byte) (int) (loc.getYaw() * 256.0F / 360.0F))); bytes.write(1, ((byte) (int) (loc.getPitch() * 256.0F / 360.0F))); packets.addPacket(teleportPacket); } if (!selfDisguise) { // Send a metadata packet PacketContainer metaPacket = new PacketContainer(Play.Server.ENTITY_METADATA); newWatcher = createDataWatcher(WrappedDataWatcher.getEntityWatcher(disguisedEntity), disguise.getWatcher()); newWatcher.setObject(new WrappedDataWatcherObject(FlagType.ENTITY_META.getIndex(), Registry.get(Byte.class)), (byte) 0); metaPacket.getIntegers().write(0, entityId); // Id metaPacket.getWatchableCollectionModifier().write(0, newWatcher.getWatchableObjects()); if (!_cancelMeta.containsKey(disguise)) _cancelMeta.put(disguise, new ArrayList()); _cancelMeta.get(disguise).add(observer.getUniqueId()); packets.addDelayedPacket(metaPacket, 4); } // Remove player from the list PacketContainer deleteTab = sendTab.shallowClone(); packets.addDelayedPacket(deleteTab, 40); deleteTab.getModifier().write(0, ReflectionManager.getEnumPlayerInfoAction(4)); } else if (disguise.getType().isMob() || disguise.getType() == DisguiseType.ARMOR_STAND) { Vector vec = disguisedEntity.getVelocity(); PacketContainer spawnEntity = new PacketContainer(PacketType.Play.Server.SPAWN_ENTITY_LIVING); packets.addPacket(spawnEntity); StructureModifier mods = spawnEntity.getModifier(); mods.write(0, disguisedEntity.getEntityId()); mods.write(1, UUID.randomUUID()); mods.write(2, disguise.getType().getTypeId()); // region Vector calculations double d1 = 3.9D; double d2 = vec.getX(); double d3 = vec.getY(); double d4 = vec.getZ(); if (d2 < -d1) d2 = -d1; if (d3 < -d1) d3 = -d1; if (d4 < -d1) d4 = -d1; if (d2 > d1) d2 = d1; if (d3 > d1) d3 = d1; if (d4 > d1) d4 = d1; // endregion mods.write(3, loc.getX()); mods.write(4, loc.getY()); mods.write(5, loc.getZ()); mods.write(6, (int) (d2 * 8000.0D)); mods.write(7, (int) (d3 * 8000.0D)); mods.write(8, (int) (d4 * 8000.0D)); mods.write(9, yaw); mods.write(10, pitch); spawnEntity.getDataWatcherModifier().write(0, createDataWatcher(WrappedDataWatcher.getEntityWatcher(disguisedEntity), disguise.getWatcher())); } else if (disguise.getType().isMisc()) { int objectId = disguise.getType().getObjectId(); int data = ((MiscDisguise) disguise).getData(); if (disguise.getType() == DisguiseType.FALLING_BLOCK) { data = ReflectionManager.getCombinedId(((MiscDisguise) disguise).getId(), data); } else if (disguise.getType() == DisguiseType.FISHING_HOOK && data == -1) { // If the MiscDisguise data isn't set. Then no entity id was provided, so default to the owners entity id data = observer.getEntityId(); } else if (disguise.getType() == DisguiseType.ITEM_FRAME) { data = ((((int) loc.getYaw() % 360) + 720 + 45) / 90) % 4; } Object nmsEntity = ReflectionManager.getNmsEntity(disguisedEntity); PacketContainer spawnEntity = ProtocolLibrary.getProtocolManager() .createPacketConstructor(PacketType.Play.Server.SPAWN_ENTITY, nmsEntity, objectId, data) .createPacket(nmsEntity, objectId, data); packets.addPacket(spawnEntity); spawnEntity.getModifier().write(8, pitch); spawnEntity.getModifier().write(9, yaw); if (disguise.getType() == DisguiseType.ITEM_FRAME) { if (data % 2 == 0) { spawnEntity.getModifier().write(4, loc.getZ() + (data == 0 ? -1 : 1)); } else { spawnEntity.getModifier().write(2, loc.getX() + (data == 3 ? -1 : 1)); } } } if (packets.getPackets().size() <= 1 || disguise.isPlayerDisguise()) { PacketContainer rotateHead = new PacketContainer(Server.ENTITY_HEAD_ROTATION); packets.addPacket(rotateHead); StructureModifier mods = rotateHead.getModifier(); mods.write(0, disguisedEntity.getEntityId()); mods.write(1, yaw); } if (disguise.getType() == DisguiseType.EVOKER_FANGS) { PacketContainer newPacket = new PacketContainer(Server.ENTITY_STATUS); StructureModifier mods = newPacket.getModifier(); mods.write(0, disguise.getEntity().getEntityId()); mods.write(1, (byte) 4); packets.addPacket(newPacket); } return packets; } /** * Create a new datawatcher but with the 'correct' values */ private static WrappedDataWatcher createDataWatcher(WrappedDataWatcher watcher, FlagWatcher flagWatcher) { WrappedDataWatcher newWatcher = new WrappedDataWatcher(); try { List list = DisguiseConfig.isMetadataPacketsEnabled() ? flagWatcher.convert(watcher.getWatchableObjects()) : flagWatcher.getWatchableObjects(); for (WrappedWatchableObject watchableObject : list) { if (watchableObject == null) continue; if (watchableObject.getValue() == null) continue; if (Registry.get(watchableObject.getValue().getClass()) == null) continue; WrappedDataWatcherObject obj = new WrappedDataWatcherObject(watchableObject.getIndex(), Registry.get(watchableObject.getValue().getClass())); newWatcher.setObject(obj, watchableObject.getValue()); } } catch (Exception ex) { ex.printStackTrace(); } return newWatcher; } public static byte getPitch(DisguiseType disguiseType, DisguiseType entityType, byte value) { switch (disguiseType) { case MINECART: case MINECART_CHEST: case MINECART_COMMAND: case MINECART_FURNACE: case MINECART_HOPPER: case MINECART_MOB_SPAWNER: case MINECART_TNT: value = (byte) -value; break; default: break; } switch (entityType) { case MINECART: case MINECART_CHEST: case MINECART_FURNACE: case MINECART_HOPPER: case MINECART_MOB_SPAWNER: case MINECART_TNT: value = (byte) -value; break; default: break; } return value; } /** * Add the yaw for the disguises */ public static byte getYaw(DisguiseType disguiseType, EntityType entityType, byte value) { switch (disguiseType) { case MINECART: case MINECART_CHEST: case MINECART_COMMAND: case MINECART_FURNACE: case MINECART_HOPPER: case MINECART_MOB_SPAWNER: case MINECART_TNT: value += 64; break; case BOAT: case ENDER_DRAGON: case WITHER_SKULL: value -= 128; break; case ARROW: case TIPPED_ARROW: case SPECTRAL_ARROW: value = (byte) -value; break; case PAINTING: case ITEM_FRAME: value = (byte) -(value + 128); break; default: if (disguiseType.isMisc() && disguiseType != DisguiseType.ARMOR_STAND) { value -= 64; } break; } switch (entityType) { case MINECART: case MINECART_CHEST: case MINECART_FURNACE: case MINECART_HOPPER: case MINECART_MOB_SPAWNER: case MINECART_TNT: value -= 64; break; case ENDER_DRAGON: case WITHER_SKULL: value += 128; break; case ARROW: value = (byte) -value; break; case PAINTING: case ITEM_FRAME: value = (byte) -(value - 128); break; default: if (!entityType.isAlive()) { value += 64; } break; } return value; } /** * Get the Y level to add to the disguise for realism. */ public static double getYModifier(Entity entity, Disguise disguise) { double yMod = 0; if ((disguise.getType() != DisguiseType.PLAYER || !((PlayerWatcher) disguise.getWatcher()).isSleeping()) && entity.getType() == EntityType.DROPPED_ITEM) { yMod -= 0.13; } switch (disguise.getType()) { case BAT: if (entity instanceof LivingEntity) return yMod + ((LivingEntity) entity).getEyeHeight(); case MINECART: case MINECART_COMMAND: case MINECART_CHEST: case MINECART_FURNACE: case MINECART_HOPPER: case MINECART_MOB_SPAWNER: case MINECART_TNT: switch (entity.getType()) { case MINECART: case MINECART_CHEST: case MINECART_FURNACE: case MINECART_HOPPER: case MINECART_MOB_SPAWNER: case MINECART_TNT: return yMod; default: return yMod + 0.4; } case TIPPED_ARROW: case SPECTRAL_ARROW: case BOAT: case EGG: case ENDER_PEARL: case ENDER_SIGNAL: case FIREWORK: case PAINTING: case SMALL_FIREBALL: case SNOWBALL: case SPLASH_POTION: case THROWN_EXP_BOTTLE: case WITHER_SKULL: return yMod + 0.7; case PLAYER: if (DisguiseConfig.isBedPacketsEnabled() && ((PlayerWatcher) disguise.getWatcher()).isSleeping()) { return yMod + 0.35; } break; case DROPPED_ITEM: return yMod + 0.13; default: break; } return yMod; } /** * Creates the packet listeners */ public static void init(LibsDisguises plugin) { libsDisguises = plugin; soundsListener = new PacketListenerSounds(libsDisguises); // Self disguise (/vsd) listener viewDisguisesListener = new PacketListenerViewDisguises(libsDisguises); inventoryListener = new PacketListenerInventory(libsDisguises); } public static boolean isHearDisguisesEnabled() { return soundsListenerEnabled; } public static boolean isInventoryListenerEnabled() { return inventoryModifierEnabled; } public static boolean isViewDisguisesListenerEnabled() { return viewDisguisesListenerEnabled; } public static void setHearDisguisesListener(boolean enabled) { if (soundsListenerEnabled != enabled) { soundsListenerEnabled = enabled; if (soundsListenerEnabled) { ProtocolLibrary.getProtocolManager().addPacketListener(soundsListener); } else { ProtocolLibrary.getProtocolManager().removePacketListener(soundsListener); } } } public static void setInventoryListenerEnabled(boolean enabled) { if (inventoryModifierEnabled != enabled) { inventoryModifierEnabled = enabled; if (inventoryModifierEnabled) { ProtocolLibrary.getProtocolManager().addPacketListener(inventoryListener); } else { ProtocolLibrary.getProtocolManager().removePacketListener(inventoryListener); } for (Player player : Bukkit.getOnlinePlayers()) { Disguise disguise = DisguiseAPI.getDisguise(player, player); if (disguise != null) { if (viewDisguisesListenerEnabled && disguise.isSelfDisguiseVisible() && (disguise.isHidingArmorFromSelf() || disguise.isHidingHeldItemFromSelf())) { player.updateInventory(); } } } } } public static void setupMainPacketsListener() { if (clientInteractEntityListener != null) { if (mainListener != null) { ProtocolLibrary.getProtocolManager().removePacketListener(mainListener); } ArrayList packetsToListen = new ArrayList(); // Add spawn packets { packetsToListen.add(Server.NAMED_ENTITY_SPAWN); packetsToListen.add(Server.SPAWN_ENTITY_EXPERIENCE_ORB); packetsToListen.add(Server.SPAWN_ENTITY); packetsToListen.add(Server.SPAWN_ENTITY_LIVING); packetsToListen.add(Server.SPAWN_ENTITY_PAINTING); } // Add packets that always need to be enabled to ensure safety { packetsToListen.add(Server.ENTITY_METADATA); } if (DisguiseConfig.isCollectPacketsEnabled()) { packetsToListen.add(Server.COLLECT); } if (DisguiseConfig.isMiscDisguisesForLivingEnabled()) { packetsToListen.add(Server.UPDATE_ATTRIBUTES); } // The bed packet. if (DisguiseConfig.isBedPacketsEnabled()) { packetsToListen.add(Server.BED); } // Add movement packets if (DisguiseConfig.isMovementPacketsEnabled()) { packetsToListen.add(Server.ENTITY_LOOK); packetsToListen.add(Server.REL_ENTITY_MOVE_LOOK); packetsToListen.add(Server.ENTITY_HEAD_ROTATION); packetsToListen.add(Server.ENTITY_TELEPORT); packetsToListen.add(Server.REL_ENTITY_MOVE); } // Add equipment packet if (DisguiseConfig.isEquipmentPacketsEnabled()) { packetsToListen.add(Server.ENTITY_EQUIPMENT); } // Add the packet that ensures if they are sleeping or not if (DisguiseConfig.isAnimationPacketsEnabled()) { packetsToListen.add(Server.ANIMATION); } // Add the packet that makes sure that entities with armor do not send unpickupable armor on death if (DisguiseConfig.isEntityStatusPacketsEnabled()) { packetsToListen.add(Server.ENTITY_STATUS); } mainListener = new PacketListenerMain(libsDisguises, packetsToListen); ProtocolLibrary.getProtocolManager().addPacketListener(mainListener); } } public static void setViewDisguisesListener(boolean enabled) { if (viewDisguisesListenerEnabled != enabled) { viewDisguisesListenerEnabled = enabled; if (viewDisguisesListenerEnabled) { ProtocolLibrary.getProtocolManager().addPacketListener(viewDisguisesListener); } else { ProtocolLibrary.getProtocolManager().removePacketListener(viewDisguisesListener); } for (Player player : Bukkit.getOnlinePlayers()) { Disguise disguise = DisguiseAPI.getDisguise(player, player); if (disguise != null) { if (disguise.isSelfDisguiseVisible()) { if (enabled) { DisguiseUtilities.setupFakeDisguise(disguise); } else { DisguiseUtilities.removeSelfDisguise(player); } if (inventoryModifierEnabled && (disguise.isHidingArmorFromSelf() || disguise.isHidingHeldItemFromSelf())) { player.updateInventory(); } } } } } } /** * Transform the packet magically into the one I have always dreamed off. My true luv!!! This will return null if its not * transformed */ public static LibsPackets transformPacket(PacketContainer sentPacket, Disguise disguise, Player observer, Entity entity) { LibsPackets packets = new LibsPackets(disguise); try { packets.addPacket(sentPacket); // This packet sends attributes if (sentPacket.getType() == Server.UPDATE_ATTRIBUTES) { if (disguise.isMiscDisguise()) { packets.clear(); } else { List attributes = new ArrayList<>(); for (WrappedAttribute attribute : sentPacket.getAttributeCollectionModifier().read(0)) { if (attribute.getAttributeKey().equals("generic.maxHealth")) { packets.clear(); PacketContainer updateAttributes = new PacketContainer(Server.UPDATE_ATTRIBUTES); packets.addPacket(updateAttributes); Builder builder; if (((LivingWatcher) disguise.getWatcher()).isMaxHealthSet()) { builder = WrappedAttribute.newBuilder(); builder.attributeKey("generic.maxHealth"); builder.baseValue(((LivingWatcher) disguise.getWatcher()).getMaxHealth()); } else if (DisguiseConfig.isMaxHealthDeterminedByDisguisedEntity()) { builder = WrappedAttribute.newBuilder(attribute); } else { builder = WrappedAttribute.newBuilder(); builder.attributeKey("generic.maxHealth"); builder.baseValue(DisguiseValues.getDisguiseValues(disguise.getType()).getMaxHealth()); } builder.packet(updateAttributes); attributes.add(builder.build()); break; } } if (!attributes.isEmpty()) { packets.getPackets().get(0).getIntegers().write(0, entity.getEntityId()); packets.getPackets().get(0).getAttributeCollectionModifier().write(0, attributes); } else { packets.clear(); } } } // Else if the packet is sending entity metadata else if (sentPacket.getType() == Server.ENTITY_METADATA) { packets.clear(); if (DisguiseConfig.isMetadataPacketsEnabled() && !isStaticMetadataDisguiseType(disguise) && (!_cancelMeta.containsKey(disguise) || !_cancelMeta.get(disguise).contains(observer.getUniqueId()))) { List watchableObjects = disguise.getWatcher() .convert(sentPacket.getWatchableCollectionModifier().read(0)); PacketContainer metaPacket = new PacketContainer(Server.ENTITY_METADATA); packets.addPacket(metaPacket); StructureModifier newMods = metaPacket.getModifier(); newMods.write(0, entity.getEntityId()); metaPacket.getWatchableCollectionModifier().write(0, watchableObjects); } } // Else if the packet is spawning.. else if (sentPacket.getType() == Server.NAMED_ENTITY_SPAWN || sentPacket.getType() == Server.SPAWN_ENTITY_LIVING || sentPacket.getType() == Server.SPAWN_ENTITY_EXPERIENCE_ORB || sentPacket.getType() == Server.SPAWN_ENTITY || sentPacket.getType() == Server.SPAWN_ENTITY_PAINTING) { packets.clear(); constructSpawnPackets(observer, packets, entity); } // Else if the disguise is attempting to send players a forbidden packet else if (sentPacket.getType() == Server.ANIMATION) { if (disguise.getType().isMisc() || (sentPacket.getIntegers().read(1) == 2 && (!disguise.getType().isPlayer() || (DisguiseConfig.isBedPacketsEnabled() && ((PlayerWatcher) disguise.getWatcher()).isSleeping())))) { packets.clear(); } } // Else if the disguise is collecting stuff else if (sentPacket.getType() == Server.COLLECT) { if (disguise.getType().isMisc()) { packets.clear(); } else if (DisguiseConfig.isBedPacketsEnabled() && disguise.getType().isPlayer() && ((PlayerWatcher) disguise.getWatcher()).isSleeping()) { PacketContainer newPacket = new PacketContainer(Server.ANIMATION); StructureModifier mods = newPacket.getIntegers(); mods.write(0, disguise.getEntity().getEntityId()); mods.write(1, 3); packets.clear(); packets.addPacket(newPacket); packets.addPacket(sentPacket); } } // Else if the disguise is moving. else if (sentPacket.getType() == Server.REL_ENTITY_MOVE_LOOK || sentPacket.getType() == Server.ENTITY_LOOK || sentPacket.getType() == Server.ENTITY_TELEPORT || sentPacket.getType() == Server.REL_ENTITY_MOVE) { if (disguise.getType() == DisguiseType.RABBIT && (sentPacket.getType() == Server.REL_ENTITY_MOVE || sentPacket.getType() == Server.REL_ENTITY_MOVE_LOOK)) { // Rabbit robbing... if (entity.getMetadata("LibsRabbitHop").isEmpty() || System.currentTimeMillis() - entity.getMetadata("LibsRabbitHop").get(0).asLong() < 100 || System.currentTimeMillis() - entity.getMetadata("LibsRabbitHop").get(0).asLong() > 500) { if (entity.getMetadata("LibsRabbitHop").isEmpty() || System.currentTimeMillis() - entity.getMetadata("LibsRabbitHop").get(0).asLong() > 500) { entity.removeMetadata("LibsRabbitHop", libsDisguises); entity.setMetadata("LibsRabbitHop", new FixedMetadataValue(libsDisguises, System.currentTimeMillis())); } PacketContainer statusPacket = new PacketContainer(Server.ENTITY_STATUS); packets.addPacket(statusPacket); statusPacket.getIntegers().write(0, entity.getEntityId()); statusPacket.getBytes().write(0, (byte) 1); } } // Stop wither skulls from looking if (sentPacket.getType() == Server.ENTITY_LOOK && disguise.getType() == DisguiseType.WITHER_SKULL) { packets.clear(); } else if (sentPacket.getType() != Server.REL_ENTITY_MOVE) { packets.clear(); PacketContainer movePacket = sentPacket.shallowClone(); packets.addPacket(movePacket); StructureModifier bytes = movePacket.getBytes(); byte yawValue = bytes.read(0); byte pitchValue = bytes.read(1); bytes.write(0, getYaw(disguise.getType(), entity.getType(), yawValue)); bytes.write(1, getPitch(disguise.getType(), DisguiseType.getType(entity.getType()), pitchValue)); if (sentPacket.getType() == Server.ENTITY_TELEPORT && disguise.getType() == DisguiseType.ITEM_FRAME) { StructureModifier doubles = movePacket.getDoubles(); Location loc = entity.getLocation(); double data = (((loc.getYaw() % 360) + 720 + 45) / 90) % 4; if (data % 2 == 0) { if (data % 2 == 0) { doubles.write(3, loc.getZ()); } else { doubles.write(1, loc.getZ()); } } double y = getYModifier(entity, disguise); if (y != 0) { doubles.write(2, doubles.read(2) + y); } } } } // Else if the disguise is updating equipment else if (sentPacket.getType() == Server.ENTITY_EQUIPMENT) { EquipmentSlot slot = ReflectionManager.createEquipmentSlot(packets.getPackets().get(0).getModifier().read(1)); org.bukkit.inventory.ItemStack itemStack = disguise.getWatcher().getItemStack(slot); if (itemStack != null) { packets.clear(); PacketContainer equipPacket = sentPacket.shallowClone(); packets.addPacket(equipPacket); equipPacket.getModifier().write(2, (itemStack.getTypeId() == 0 ? null : ReflectionManager.getNmsItem(itemStack))); } if (disguise.getWatcher().isRightClicking() && slot == EquipmentSlot.HAND) { ItemStack heldItem = packets.getPackets().get(0).getItemModifier().read(0); if (heldItem != null && heldItem.getType() != Material.AIR) { // Convert the datawatcher List list = new ArrayList<>(); if (DisguiseConfig.isMetadataPacketsEnabled() && !isStaticMetadataDisguiseType(disguise)) { WrappedWatchableObject watch = ReflectionManager.createWatchable(0, WrappedDataWatcher.getEntityWatcher(entity).getByte(0)); list.add(watch); list = disguise.getWatcher().convert(list); } else { for (WrappedWatchableObject obj : disguise.getWatcher().getWatchableObjects()) { if (obj.getIndex() == 0) { list.add(obj); break; } } } // Construct the packets to return PacketContainer packetBlock = new PacketContainer(Server.ENTITY_METADATA); packetBlock.getModifier().write(0, entity.getEntityId()); packetBlock.getWatchableCollectionModifier().write(0, list); PacketContainer packetUnblock = packetBlock.deepClone(); // Make a packet to send the 'unblock' for (WrappedWatchableObject watcher : packetUnblock.getWatchableCollectionModifier().read(0)) { watcher.setValue((byte) ((byte) watcher.getValue() & ~(1 << 4))); } // Send the unblock before the itemstack change so that the 2nd metadata packet works. Why? Scheduler // delay. PacketContainer packet1 = packets.getPackets().get(0); packets.clear(); packets.addPacket(packetUnblock); packets.addPacket(packet1); packets.addPacket(packetBlock); // Silly mojang made the right clicking datawatcher value only valid for one use. So I have to reset // it. } } } // If the entity is going into a bed, stop everything but players from doing this else if (sentPacket.getType() == Server.BED) { if (!disguise.getType().isPlayer()) { packets.clear(); } } // If the entity is updating their Facebook status, stop them from showing death else if (sentPacket.getType() == Server.ENTITY_STATUS) { if (packets.getPackets().get(0).getBytes().read(0) == (byte) 3) { packets.clear(); } } // If the entity is rotating his head else if (sentPacket.getType() == Server.ENTITY_HEAD_ROTATION) { if (disguise.getType().isPlayer() && entity.getType() != EntityType.PLAYER) { Location loc = entity.getLocation(); byte pitch = getPitch(disguise.getType(), DisguiseType.getType(entity.getType()), (byte) (int) (loc.getPitch() * 256.0F / 360.0F)); byte yaw = getYaw(disguise.getType(), entity.getType(), sentPacket.getBytes().read(0)); PacketContainer rotation = new PacketContainer(Server.ENTITY_HEAD_ROTATION); StructureModifier mods = rotation.getModifier(); mods.write(0, entity.getEntityId()); mods.write(1, yaw); PacketContainer look = new PacketContainer(Server.ENTITY_LOOK); look.getIntegers().write(0, entity.getEntityId()); look.getBytes().write(0, yaw); look.getBytes().write(1, pitch); packets.clear(); packets.addPacket(look); packets.addPacket(rotation); } } else { packets.setUnhandled(); } } catch (Exception e) { e.printStackTrace(); } return packets; } /** * Returns true if this disguise type doesn't have changing metadata. * * @param disguise * @return */ public static boolean isStaticMetadataDisguiseType(Disguise disguise) { return false; /* return (disguise.getType() == DisguiseType.WOLF || disguise.getType() == DisguiseType.OCELOT || disguise.getType() == DisguiseType.ENDERMAN || disguise.getType() == DisguiseType.SHULKER || disguise.getType() == DisguiseType.SPLASH_POTION || disguise.getType() == DisguiseType.FIREWORK || disguise.getType() == DisguiseType.DROPPED_ITEM || disguise.getType() == DisguiseType.ENDER_CRYSTAL);*/ } }