package me.libraryaddict.disguise; import java.lang.reflect.Field; import java.lang.reflect.InvocationTargetException; import java.util.ArrayList; import java.util.Collection; import java.util.Iterator; import java.util.List; import java.util.Random; import me.libraryaddict.disguise.disguisetypes.Disguise; import me.libraryaddict.disguise.disguisetypes.DisguiseSound; import me.libraryaddict.disguise.disguisetypes.DisguiseType; import me.libraryaddict.disguise.disguisetypes.FlagWatcher; import me.libraryaddict.disguise.disguisetypes.MiscDisguise; import me.libraryaddict.disguise.disguisetypes.MobDisguise; import me.libraryaddict.disguise.disguisetypes.PlayerDisguise; import me.libraryaddict.disguise.disguisetypes.Values; import me.libraryaddict.disguise.disguisetypes.DisguiseSound.SoundType; import net.minecraft.server.v1_6_R3.AttributeMapServer; import net.minecraft.server.v1_6_R3.Block; import net.minecraft.server.v1_6_R3.EntityHuman; import net.minecraft.server.v1_6_R3.EntityInsentient; import net.minecraft.server.v1_6_R3.EntityLiving; import net.minecraft.server.v1_6_R3.EntityPlayer; import net.minecraft.server.v1_6_R3.EntityTrackerEntry; import net.minecraft.server.v1_6_R3.MobEffect; import net.minecraft.server.v1_6_R3.Packet17EntityLocationAction; import net.minecraft.server.v1_6_R3.Packet20NamedEntitySpawn; import net.minecraft.server.v1_6_R3.Packet28EntityVelocity; import net.minecraft.server.v1_6_R3.Packet35EntityHeadRotation; import net.minecraft.server.v1_6_R3.Packet39AttachEntity; import net.minecraft.server.v1_6_R3.Packet40EntityMetadata; import net.minecraft.server.v1_6_R3.Packet41MobEffect; import net.minecraft.server.v1_6_R3.Packet44UpdateAttributes; import net.minecraft.server.v1_6_R3.Packet5EntityEquipment; import net.minecraft.server.v1_6_R3.World; import net.minecraft.server.v1_6_R3.WorldServer; import org.bukkit.Art; import org.bukkit.Bukkit; import org.bukkit.Location; import org.bukkit.Material; import org.bukkit.craftbukkit.v1_6_R3.entity.CraftEntity; import org.bukkit.craftbukkit.v1_6_R3.entity.CraftLivingEntity; import org.bukkit.craftbukkit.v1_6_R3.entity.CraftPlayer; import org.bukkit.entity.Arrow; import org.bukkit.entity.Entity; import org.bukkit.entity.ExperienceOrb; import org.bukkit.entity.Item; import org.bukkit.entity.LivingEntity; import org.bukkit.entity.Player; import org.bukkit.inventory.ItemStack; import org.bukkit.plugin.java.JavaPlugin; import org.bukkit.util.Vector; import com.comphenix.protocol.Packets; import com.comphenix.protocol.ProtocolLibrary; import com.comphenix.protocol.ProtocolManager; import com.comphenix.protocol.events.ConnectionSide; import com.comphenix.protocol.events.ListenerPriority; import com.comphenix.protocol.events.PacketAdapter; import com.comphenix.protocol.events.PacketContainer; import com.comphenix.protocol.events.PacketEvent; import com.comphenix.protocol.events.PacketListener; import com.comphenix.protocol.reflect.StructureModifier; import com.comphenix.protocol.wrappers.WrappedDataWatcher; import com.comphenix.protocol.wrappers.WrappedWatchableObject; public class PacketsManager { private static boolean cancelSound; private static DisguiseAPI disguiseAPI = new DisguiseAPI(); private static PacketListener inventoryListenerClient; private static PacketListener inventoryListenerServer; private static boolean inventoryModifierEnabled; private static LibsDisguises libsDisguises; private static PacketListener soundsListener; private static boolean soundsListenerEnabled; private static PacketListener viewDisguisesListener; private static boolean viewDisguisesListenerEnabled; protected static void addPacketListeners(final JavaPlugin libsDisguises) { ProtocolManager manager = ProtocolLibrary.getProtocolManager(); manager.addPacketListener(new PacketAdapter(libsDisguises, ConnectionSide.SERVER_SIDE, ListenerPriority.HIGH, Packets.Server.NAMED_ENTITY_SPAWN, Packets.Server.ENTITY_METADATA, Packets.Server.ARM_ANIMATION, Packets.Server.REL_ENTITY_MOVE_LOOK, Packets.Server.ENTITY_LOOK, Packets.Server.ENTITY_TELEPORT, Packets.Server.ADD_EXP_ORB, Packets.Server.VEHICLE_SPAWN, Packets.Server.MOB_SPAWN, Packets.Server.ENTITY_PAINTING, Packets.Server.COLLECT, Packets.Server.UPDATE_ATTRIBUTES, Packets.Server.ENTITY_EQUIPMENT, Packets.Server.BED) { @Override public void onPacketSending(PacketEvent event) { final Player observer = event.getPlayer(); // First get the entity, the one sending this packet StructureModifier entityModifer = event.getPacket().getEntityModifier(observer.getWorld()); org.bukkit.entity.Entity entity = entityModifer.read((Packets.Server.COLLECT == event.getPacketID() ? 1 : 0)); // If the entity is the same as the sender. Don't disguise! // Prevents problems and there is no advantage to be gained. if (entity == observer) return; PacketContainer[] packets = transformPacket(event.getPacket(), event.getPlayer()); if (packets.length == 0) event.setCancelled(true); else { event.setPacket(packets[0]); final PacketContainer[] delayedPackets = new PacketContainer[packets.length - 1]; for (int i = 1; i < packets.length; i++) delayedPackets[i - 1] = packets[i]; Bukkit.getScheduler().scheduleSyncDelayedTask(plugin, new Runnable() { public void run() { try { for (PacketContainer packet : delayedPackets) ProtocolLibrary.getProtocolManager().sendServerPacket(observer, packet); } catch (InvocationTargetException e) { e.printStackTrace(); } } }); } } }); // Now 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. manager.addPacketListener(new PacketAdapter(libsDisguises, ConnectionSide.CLIENT_SIDE, ListenerPriority.NORMAL, Packets.Client.USE_ENTITY) { @Override public void onPacketReceiving(PacketEvent event) { try { Player observer = event.getPlayer(); StructureModifier entityModifer = event.getPacket().getEntityModifier(observer.getWorld()); org.bukkit.entity.Entity entity = entityModifer.read(1); if (DisguiseAPI.isDisguised(entity) && (entity instanceof ExperienceOrb || entity instanceof Item || entity instanceof Arrow)) { event.setCancelled(true); } } catch (Exception e) { e.printStackTrace(); } } }); } /** * Construct the packets I need to spawn in the disguise */ public static PacketContainer[] constructSpawnPackets(Disguise disguise, Entity disguisedEntity) { if (disguise.getEntity() == null) disguise.setEntity(disguisedEntity); net.minecraft.server.v1_6_R3.Entity nmsEntity = ((CraftEntity) disguisedEntity).getHandle(); ArrayList packets = new ArrayList(); for (int i = 0; i < 5; i++) { int slot = i - 1; if (slot < 0) slot = 4; org.bukkit.inventory.ItemStack itemstack = disguise.getWatcher().getItemStack(slot); if (itemstack != null && itemstack.getTypeId() != 0) { ItemStack item = null; if (disguisedEntity instanceof LivingEntity) if (i != 4) item = ((LivingEntity) disguisedEntity).getEquipment().getArmorContents()[i]; else item = ((LivingEntity) disguisedEntity).getEquipment().getItemInHand(); if (item == null || item.getType() == Material.AIR) { PacketContainer packet = new PacketContainer(Packets.Server.ENTITY_EQUIPMENT); StructureModifier mods = packet.getModifier(); mods.write(0, disguisedEntity.getEntityId()); mods.write(1, i); mods.write(2, ReflectionManager.getNmsItem(itemstack)); packets.add(packet); } } } PacketContainer[] spawnPackets = new PacketContainer[2 + packets.size()]; for (int i = 0; i < packets.size(); i++) { spawnPackets[i + 2] = packets.get(i); } Location loc = disguisedEntity.getLocation().clone().add(0, getYModifier(disguisedEntity, disguise.getType()), 0); byte yaw = getYaw(disguise.getType(), DisguiseType.getType(disguise.getEntity().getType()), (byte) (int) (loc.getYaw() * 256.0F / 360.0F)); if (disguise.getType() == DisguiseType.EXPERIENCE_ORB) { spawnPackets[0] = new PacketContainer(Packets.Server.ADD_EXP_ORB); StructureModifier mods = spawnPackets[0].getModifier(); mods.write(0, disguisedEntity.getEntityId()); mods.write(1, (int) Math.floor(loc.getX() * 32)); mods.write(2, (int) Math.floor(loc.getY() * 32) + 2); mods.write(3, (int) Math.floor(loc.getZ() * 32)); mods.write(4, 1); } else if (disguise.getType() == DisguiseType.PAINTING) { spawnPackets[0] = new PacketContainer(Packets.Server.ENTITY_PAINTING); StructureModifier mods = spawnPackets[0].getModifier(); mods.write(0, disguisedEntity.getEntityId()); mods.write(1, loc.getBlockX()); mods.write(2, loc.getBlockY()); mods.write(3, loc.getBlockZ()); mods.write(4, ((int) loc.getYaw()) % 4); int id = ((MiscDisguise) disguise).getData(); if (id == -1) id = new Random().nextInt(Art.values().length); mods.write(5, ReflectionManager.getEnumArt(Art.values()[id % Art.values().length])); // Make the teleport packet to make it visible.. spawnPackets[1] = new PacketContainer(Packets.Server.ENTITY_TELEPORT); mods = spawnPackets[1].getModifier(); mods.write(0, disguisedEntity.getEntityId()); mods.write(1, (int) Math.floor(loc.getX() * 32D)); mods.write(2, (int) Math.floor(loc.getY() * 32D)); mods.write(3, (int) Math.floor(loc.getZ() * 32D)); mods.write(4, yaw); mods.write(5, (byte) (int) (loc.getPitch() * 256.0F / 360.0F)); } else if (disguise.getType().isPlayer()) { spawnPackets[0] = new PacketContainer(Packets.Server.NAMED_ENTITY_SPAWN); StructureModifier mods = spawnPackets[0].getModifier(); mods.write(0, disguisedEntity.getEntityId()); mods.write(1, ((PlayerDisguise) disguise).getName()); mods.write(2, ((PlayerDisguise) disguise).getName()); mods.write(3, (int) Math.floor(loc.getX() * 32)); mods.write(4, (int) Math.floor(loc.getY() * 32)); mods.write(5, (int) Math.floor(loc.getZ() * 32)); mods.write(6, yaw); mods.write(7, (byte) (int) (loc.getPitch() * 256F / 360F)); ItemStack item = null; if (disguisedEntity instanceof Player && ((Player) disguisedEntity).getItemInHand() != null) { item = ((Player) disguisedEntity).getItemInHand(); } else if (disguisedEntity instanceof LivingEntity) { item = ((LivingEntity) disguisedEntity).getEquipment().getItemInHand(); } mods.write(8, (item == null || item.getType() == Material.AIR ? 0 : item.getTypeId())); spawnPackets[0].getDataWatcherModifier().write(0, createDataWatcher(WrappedDataWatcher.getEntityWatcher(disguisedEntity), disguise.getWatcher())); } else if (disguise.getType().isMob()) { Values values = Values.getValues(disguise.getType()); Vector vec = disguisedEntity.getVelocity(); spawnPackets[0] = new PacketContainer(Packets.Server.MOB_SPAWN); StructureModifier mods = spawnPackets[0].getModifier(); mods.write(0, disguisedEntity.getEntityId()); mods.write(1, (int) disguise.getType().getEntityType().getTypeId()); 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; mods.write(2, values.getEntitySize(loc.getX())); mods.write(3, (int) Math.floor(loc.getY() * 32D)); mods.write(4, values.getEntitySize(loc.getZ())); mods.write(5, (int) (d2 * 8000.0D)); mods.write(6, (int) (d3 * 8000.0D)); mods.write(7, (int) (d4 * 8000.0D)); mods.write(8, yaw); mods.write(9, (byte) (int) (loc.getPitch() * 256.0F / 360.0F)); if (nmsEntity instanceof EntityLiving) mods.write(10, (byte) (int) (((EntityLiving) nmsEntity).aA * 256.0F / 360.0F)); spawnPackets[0].getDataWatcherModifier().write(0, createDataWatcher(WrappedDataWatcher.getEntityWatcher(disguisedEntity), disguise.getWatcher())); // Theres a list sometimes written with this. But no problems have appeared! // Probably just the metadata to be sent. But the next meta packet after fixes that anyways. } else if (disguise.getType().isMisc()) { int id = disguise.getType().getEntityId(); int data = 0; if (((MiscDisguise) disguise).getId() >= 0) { if (((MiscDisguise) disguise).getData() >= 0) data = (((MiscDisguise) disguise).getId() | ((MiscDisguise) disguise).getData() << 16); else data = ((MiscDisguise) disguise).getId(); } // This won't actually work. // But if someone constructing the disguise uses it properly. It will work. if (disguise.getType() == DisguiseType.FISHING_HOOK) data = disguise.getEntity().getEntityId(); else if (disguise.getType() == DisguiseType.ITEM_FRAME) { data = (int) loc.getYaw(); if (data < 0) data = -data; } spawnPackets[0] = new PacketContainer(Packets.Server.VEHICLE_SPAWN); StructureModifier mods = spawnPackets[0].getModifier(); mods.write(0, disguisedEntity.getEntityId()); mods.write(1, (int) Math.floor(loc.getX() * 32D)); mods.write(2, (int) Math.floor(loc.getY() * 32D)); mods.write(3, (int) Math.floor(loc.getZ() * 32D)); if (data > 0) { Vector vec = disguisedEntity.getVelocity(); double d1 = vec.getX(); double d2 = vec.getY(); double d3 = vec.getZ(); double d4 = 3.9D; if (d1 < -d4) d1 = -d4; if (d2 < -d4) d2 = -d4; if (d3 < -d4) d3 = -d4; if (d1 > d4) d1 = d4; if (d2 > d4) d2 = d4; if (d3 > d4) d3 = d4; mods.write(4, (int) (d1 * 8000.0D)); mods.write(5, (int) (d2 * 8000.0D)); mods.write(6, (int) (d3 * 8000.0D)); } mods.write(7, (int) Math.floor(loc.getPitch() * 256.0F / 360.0F)); mods.write(8, yaw); mods.write(9, id); mods.write(10, data); } if (spawnPackets[1] == null) { // Make a packet to turn his head! spawnPackets[1] = new PacketContainer(Packets.Server.ENTITY_HEAD_ROTATION); StructureModifier mods = spawnPackets[1].getModifier(); mods.write(0, disguisedEntity.getEntityId()); mods.write(1, (byte) (int) Math.floor(loc.getYaw() * 256.0F / 360.0F)); } return spawnPackets; } /** * Create a new datawatcher but with the 'correct' values */ private static WrappedDataWatcher createDataWatcher(WrappedDataWatcher watcher, FlagWatcher flagWatcher) { WrappedDataWatcher newWatcher = new WrappedDataWatcher(); try { // Calling c() gets the watchable objects exactly as they are. List list = watcher.getWatchableObjects(); for (WrappedWatchableObject watchableObject : flagWatcher.convert(list)) { newWatcher.setObject(watchableObject.getIndex(), watchableObject.getValue()); } } catch (Exception ex) { ex.printStackTrace(); } return newWatcher; } /** * Add the yaw for the disguises */ public static byte getYaw(DisguiseType disguiseType, DisguiseType entityType, byte value) { switch (disguiseType) { case ENDER_DRAGON: case WITHER_SKULL: value -= 128; break; case ITEM_FRAME: case ARROW: value = (byte) -value; break; case PAINTING: value = (byte) -(value + 128); break; default: if (disguiseType.isMisc()) { value -= 64; } break; } switch (entityType) { case ENDER_DRAGON: case WITHER_SKULL: value += 128; break; case ITEM_FRAME: case ARROW: value = (byte) -value; break; case PAINTING: value = (byte) -(value - 128); break; default: if (entityType.isMisc()) { value += 64; } break; } return value; } /** * Get the Y level to add to the disguise for realism. */ private static double getYModifier(Entity entity, DisguiseType disguiseType) { switch (disguiseType) { case BAT: if (entity instanceof LivingEntity) return ((LivingEntity) entity).getEyeHeight(); case ARROW: case BOAT: case EGG: case ENDER_PEARL: case ENDER_SIGNAL: case FIREWORK: case MINECART: case MINECART_CHEST: case MINECART_FURNACE: case MINECART_HOPPER: case MINECART_MOB_SPAWNER: case MINECART_TNT: case PAINTING: case SMALL_FIREBALL: case SNOWBALL: case SPLASH_POTION: case THROWN_EXP_BOTTLE: case WITHER_SKULL: return 0.7; default: break; } return 0; } /** * Creates the packet listeners */ protected static void init(LibsDisguises plugin) { libsDisguises = plugin; soundsListener = new PacketAdapter(libsDisguises, ConnectionSide.SERVER_SIDE, ListenerPriority.NORMAL, Packets.Server.NAMED_SOUND_EFFECT, Packets.Server.ENTITY_STATUS) { @Override public void onPacketSending(PacketEvent event) { if (event.isCancelled()) return; StructureModifier mods = event.getPacket().getModifier(); Player observer = event.getPlayer(); if (event.getPacketID() == Packets.Server.NAMED_SOUND_EFFECT) { String soundName = (String) mods.read(0); SoundType soundType = null; Location soundLoc = new Location(observer.getWorld(), ((Integer) mods.read(1)) / 8D, ((Integer) mods.read(2)) / 8D, ((Integer) mods.read(3)) / 8D); Entity disguisedEntity = null; DisguiseSound entitySound = null; for (Entity entity : soundLoc.getChunk().getEntities()) { if (DisguiseAPI.isDisguised(entity)) { Location loc = entity.getLocation(); loc = new Location(observer.getWorld(), ((int) (loc.getX() * 8)) / 8D, ((int) (loc.getY() * 8)) / 8D, ((int) (loc.getZ() * 8)) / 8D); if (loc.equals(soundLoc)) { entitySound = DisguiseSound.getType(entity.getType().name()); if (entitySound != null) { if (entity instanceof LivingEntity && ((LivingEntity) entity).getHealth() == 0) { soundType = SoundType.DEATH; } else { boolean hasInvun = false; if (entity instanceof LivingEntity) { net.minecraft.server.v1_6_R3.EntityLiving e = ((CraftLivingEntity) entity) .getHandle(); hasInvun = (e.noDamageTicks == e.maxNoDamageTicks); } else { net.minecraft.server.v1_6_R3.Entity e = ((CraftEntity) entity).getHandle(); hasInvun = e.isInvulnerable(); } soundType = entitySound.getType(soundName, !hasInvun); } if (soundType != null) { disguisedEntity = entity; break; } } } } } Disguise disguise = DisguiseAPI.getDisguise(disguisedEntity); if (disguise != null) { if (disguise.canHearSelfDisguise() || disguisedEntity != event.getPlayer()) { if (disguise.replaceSounds()) { String sound = null; DisguiseSound dSound = DisguiseSound.getType(disguise.getType().name()); if (dSound != null && soundType != null) sound = dSound.getSound(soundType); if (sound == null) { event.setCancelled(true); } else { if (sound.equals("step.grass")) { World world = ((CraftEntity) disguisedEntity).getHandle().world; Block b = Block.byId[world.getTypeId(soundLoc.getBlockX(), soundLoc.getBlockY() - 1, soundLoc.getBlockZ())]; if (b != null) mods.write(0, b.stepSound.getStepSound()); // There is no else statement. Because seriously. This should never be null. Unless // someone is // sending fake sounds. In which case. Why cancel it. } else { mods.write(0, sound); // Time to change the pitch and volume if (soundType == SoundType.HURT || soundType == SoundType.DEATH || soundType == SoundType.IDLE) { // If the volume is the default if (soundType != SoundType.IDLE && ((Float) mods.read(4)).equals(entitySound.getDamageSoundVolume())) { mods.write(4, dSound.getDamageSoundVolume()); } // Here I assume its the default pitch as I can't calculate if its real. if (disguise instanceof MobDisguise && disguisedEntity instanceof LivingEntity && ((MobDisguise) disguise).doesDisguiseAge()) { boolean baby = ((CraftLivingEntity) disguisedEntity).getHandle().isBaby(); if (((MobDisguise) disguise).isAdult() == baby) { float pitch = (Integer) mods.read(5); if (baby) { // If the pitch is not the expected if (pitch > 97 || pitch < 111) return; pitch = (new Random().nextFloat() - new Random().nextFloat()) * 0.2F + 1.5F; // Min = 1.5 // Cap = 97.5 // Max = 1.7 // Cap = 110.5 } else { // If the pitch is not the expected if (pitch >= 63 || pitch <= 76) return; pitch = (new Random().nextFloat() - new Random().nextFloat()) * 0.2F + 1.0F; // Min = 1 // Cap = 63 // Max = 1.2 // Cap = 75.6 } pitch *= 63; if (pitch < 0) pitch = 0; if (pitch > 255) pitch = 255; mods.write(5, (int) pitch); } } } } } } } } } else if (event.getPacketID() == Packets.Server.ENTITY_STATUS) { if ((Byte) mods.read(1) == 1) { // It made a damage animation Entity entity = event.getPacket().getEntityModifier(observer.getWorld()).read(0); Disguise disguise = DisguiseAPI.getDisguise(entity); if (disguise != null && (disguise.canHearSelfDisguise() || entity != event.getPlayer())) { DisguiseSound disSound = DisguiseSound.getType(entity.getType().name()); if (disSound == null) return; SoundType soundType = null; if (entity instanceof LivingEntity && ((LivingEntity) entity).getHealth() == 0) { soundType = SoundType.DEATH; } else { soundType = SoundType.HURT; } if (disSound.getSound(soundType) == null || (disguise.canHearSelfDisguise() && entity == event.getPlayer())) { if (disguise.canHearSelfDisguise() && entity == event.getPlayer()) { cancelSound = !cancelSound; if (cancelSound) return; } disSound = DisguiseSound.getType(disguise.getType().name()); if (disSound != null) { String sound = disSound.getSound(soundType); if (sound != null) { Location loc = entity.getLocation(); PacketContainer packet = new PacketContainer(Packets.Server.NAMED_SOUND_EFFECT); mods = packet.getModifier(); mods.write(0, sound); mods.write(1, (int) (loc.getX() * 8D)); mods.write(2, (int) (loc.getY() * 8D)); mods.write(3, (int) (loc.getZ() * 8D)); mods.write(4, disSound.getDamageSoundVolume()); float pitch; if (disguise instanceof MobDisguise && !((MobDisguise) disguise).isAdult()) { pitch = (new Random().nextFloat() - new Random().nextFloat()) * 0.2F + 1.5F; } else pitch = (new Random().nextFloat() - new Random().nextFloat()) * 0.2F + 1.0F; if (disguise.getType() == DisguiseType.BAT) pitch *= 95F; pitch *= 63; if (pitch < 0) pitch = 0; if (pitch > 255) pitch = 255; mods.write(5, (int) pitch); try { ProtocolLibrary.getProtocolManager().sendServerPacket(observer, packet); } catch (InvocationTargetException e) { e.printStackTrace(); } } } } } } } } }; viewDisguisesListener = new PacketAdapter(libsDisguises, ConnectionSide.SERVER_SIDE, ListenerPriority.HIGH, Packets.Server.NAMED_ENTITY_SPAWN, Packets.Server.ATTACH_ENTITY, Packets.Server.REL_ENTITY_MOVE, Packets.Server.REL_ENTITY_MOVE_LOOK, Packets.Server.ENTITY_LOOK, Packets.Server.ENTITY_TELEPORT, Packets.Server.ENTITY_HEAD_ROTATION, Packets.Server.ENTITY_METADATA, Packets.Server.ENTITY_EQUIPMENT, Packets.Server.ARM_ANIMATION, Packets.Server.ENTITY_LOCATION_ACTION, Packets.Server.MOB_EFFECT, /* Packets.Server.ENTITY_STATUS, */Packets.Server.ENTITY_VELOCITY, Packets.Server.UPDATE_ATTRIBUTES) { @Override public void onPacketSending(PacketEvent event) { StructureModifier entityModifer = event.getPacket().getEntityModifier(event.getPlayer().getWorld()); org.bukkit.entity.Entity entity = entityModifer.read(0); if (entity == event.getPlayer()) { int fakeId = DisguiseAPI.getFakeDisguise(entity.getEntityId()); if (fakeId > 0) { // Here I grab the packets to convert them to, So I can display them as if the disguise sent them. PacketContainer[] packets = transformPacket(event.getPacket(), event.getPlayer()); try { for (PacketContainer packet : packets) { if (packet.equals(event.getPacket())) packet = packet.deepClone(); packet.getModifier().write(0, fakeId); ProtocolLibrary.getProtocolManager().sendServerPacket(event.getPlayer(), packet, false); } } catch (Exception ex) { ex.printStackTrace(); } if (event.getPacketID() == Packets.Server.ENTITY_METADATA) { event.setPacket(event.getPacket().deepClone()); Iterator itel = event.getPacket().getWatchableCollectionModifier().read(0) .iterator(); while (itel.hasNext()) { WrappedWatchableObject watch = itel.next(); if (watch.getTypeID() == 0) { byte b = (Byte) watch.getValue(); byte a = (byte) (b | 1 << 5); if ((b & 1 << 3) != 0) a = (byte) (a | 1 << 3); watch.setValue(a); } } } else { switch (event.getPacketID()) { case Packets.Server.NAMED_ENTITY_SPAWN: case Packets.Server.ATTACH_ENTITY: case Packets.Server.REL_ENTITY_MOVE: case Packets.Server.REL_ENTITY_MOVE_LOOK: case Packets.Server.ENTITY_LOOK: case Packets.Server.ENTITY_TELEPORT: case Packets.Server.ENTITY_HEAD_ROTATION: case Packets.Server.MOB_EFFECT: case Packets.Server.ENTITY_EQUIPMENT: if (event.getPacketID() == Packets.Server.NAMED_ENTITY_SPAWN) { PacketContainer packet = new PacketContainer(Packets.Server.ENTITY_METADATA); StructureModifier mods = packet.getModifier(); mods.write(0, entity.getEntityId()); List watchableList = new ArrayList(); byte b = (byte) (0 | 1 << 5); if (event.getPlayer().isSprinting()) b = (byte) (b | 1 << 3); watchableList.add(new WrappedWatchableObject(0, b)); packet.getWatchableCollectionModifier().write(0, watchableList); try { ProtocolLibrary.getProtocolManager().sendServerPacket(event.getPlayer(), packet, false); } catch (Exception ex) { ex.printStackTrace(); } } event.setCancelled(true); break; /* case Packets.Server.ENTITY_STATUS: if (DisguiseAPI.getDisguise(entity).canHearSelfDisguise() && (Byte) event.getPacket().getModifier().read(1) == 1) { event.setCancelled(true); } break;*/ default: break; } } } } } }; // TODO Potentionally combine both listeners. inventoryListenerServer = new PacketAdapter(libsDisguises, ConnectionSide.SERVER_SIDE, ListenerPriority.HIGHEST, Packets.Server.SET_SLOT, Packets.Server.WINDOW_ITEMS) { @Override public void onPacketSending(PacketEvent event) { // If the inventory is the players inventory if (event.getPlayer().getVehicle() == null && event.getPacket().getIntegers().read(0) == 0) { Disguise disguise = DisguiseAPI.getDisguise(event.getPlayer()); // If the player is disguised, views self disguises and is hiding a item. if (disguise != null && disguise.viewSelfDisguise() && (disguise.isHidingArmorFromSelf() || disguise.isHidingHeldItemFromSelf())) { switch (event.getPacketID()) { // If the server is setting the slot // Need to set it to air if its in a place it shouldn't be. // Things such as picking up a item, spawned in item. Plugin sets the item. etc. Will fire this /** * Done */ case Packets.Server.SET_SLOT: { // The raw slot // nms code has the start of the hotbar being 36. int slot = event.getPacket().getIntegers().read(1); // If the slot is a armor slot if (slot >= 5 && slot <= 8) { if (disguise.isHidingArmorFromSelf()) { // Get the bukkit armor slot! int armorSlot = Math.abs((slot - 5) - 3); org.bukkit.inventory.ItemStack item = event.getPlayer().getInventory().getArmorContents()[armorSlot]; if (item != null && item.getType() != Material.AIR) { event.setPacket(event.getPacket().shallowClone()); event.getPacket().getModifier() .write(2, ReflectionManager.getNmsItem(new org.bukkit.inventory.ItemStack(0))); } } // Else if its a hotbar slot } else if (slot >= 36 && slot <= 44) { if (disguise.isHidingHeldItemFromSelf()) { int currentSlot = event.getPlayer().getInventory().getHeldItemSlot(); // Check if the player is on the same slot as the slot that its setting if (slot == currentSlot + 36) { org.bukkit.inventory.ItemStack item = event.getPlayer().getItemInHand(); if (item != null && item.getType() != Material.AIR) { event.setPacket(event.getPacket().shallowClone()); event.getPacket() .getModifier() .write(2, ReflectionManager.getNmsItem(new org.bukkit.inventory.ItemStack(0))); } } } } break; } /** * Done */ case Packets.Server.WINDOW_ITEMS: { event.setPacket(event.getPacket().deepClone()); StructureModifier mods = event.getPacket().getItemArrayModifier(); ItemStack[] items = mods.read(0); for (int slot = 0; slot < items.length; slot++) { if (slot >= 5 && slot <= 8) { if (disguise.isHidingArmorFromSelf()) { // Get the bukkit armor slot! int armorSlot = Math.abs((slot - 5) - 3); org.bukkit.inventory.ItemStack item = event.getPlayer().getInventory().getArmorContents()[armorSlot]; if (item != null && item.getType() != Material.AIR) { items[slot] = new org.bukkit.inventory.ItemStack(0); } } // Else if its a hotbar slot } else if (slot >= 36 && slot <= 44) { if (disguise.isHidingHeldItemFromSelf()) { int currentSlot = event.getPlayer().getInventory().getHeldItemSlot(); // Check if the player is on the same slot as the slot that its setting if (slot == currentSlot + 36) { org.bukkit.inventory.ItemStack item = event.getPlayer().getItemInHand(); if (item != null && item.getType() != Material.AIR) { items[slot] = new org.bukkit.inventory.ItemStack(0); } } } } } mods.write(0, items); break; } default: break; } } } } }; inventoryListenerClient = new PacketAdapter(libsDisguises, ConnectionSide.CLIENT_SIDE, ListenerPriority.HIGHEST, Packets.Client.BLOCK_ITEM_SWITCH, Packets.Client.SET_CREATIVE_SLOT, Packets.Client.WINDOW_CLICK) { @Override public void onPacketReceiving(final PacketEvent event) { if (event.getPlayer().getVehicle() == null) { Disguise disguise = DisguiseAPI.getDisguise(event.getPlayer()); // If player is disguised, views self disguises and has a inventory modifier if (disguise != null && disguise.viewSelfDisguise() && (disguise.isHidingArmorFromSelf() || disguise.isHidingHeldItemFromSelf())) { switch (event.getPacketID()) { // If they are in creative and clicked on a slot case Packets.Client.SET_CREATIVE_SLOT: { int slot = event.getPacket().getIntegers().read(0); if (slot >= 5 && slot <= 8) { if (disguise.isHidingArmorFromSelf()) { int armorSlot = Math.abs(slot - 9); org.bukkit.inventory.ItemStack item = event.getPlayer().getInventory().getArmorContents()[armorSlot]; if (item != null && item.getType() != Material.AIR) { PacketContainer packet = new PacketContainer(Packets.Server.SET_SLOT); StructureModifier mods = packet.getModifier(); mods.write(0, 0); mods.write(1, slot); mods.write(2, ReflectionManager.getNmsItem(new org.bukkit.inventory.ItemStack(0))); try { ProtocolLibrary.getProtocolManager().sendServerPacket(event.getPlayer(), packet, false); } catch (InvocationTargetException e) { e.printStackTrace(); } } } } else if (slot >= 36 && slot <= 44) { if (disguise.isHidingHeldItemFromSelf()) { int currentSlot = event.getPlayer().getInventory().getHeldItemSlot(); if (slot + 36 == currentSlot) { org.bukkit.inventory.ItemStack item = event.getPlayer().getItemInHand(); if (item != null && item.getType() != Material.AIR) { PacketContainer packet = new PacketContainer(Packets.Server.SET_SLOT); StructureModifier mods = packet.getModifier(); mods.write(0, 0); mods.write(1, slot); mods.write(2, ReflectionManager.getNmsItem(new org.bukkit.inventory.ItemStack(0))); try { ProtocolLibrary.getProtocolManager().sendServerPacket(event.getPlayer(), packet, false); } catch (InvocationTargetException e) { e.printStackTrace(); } } } } } break; } // If the player switched item, aka he moved from slot 1 to slot 2 case Packets.Client.BLOCK_ITEM_SWITCH: { if (disguise.isHidingHeldItemFromSelf()) { // From logging, it seems that both bukkit and nms uses the same thing for the slot switching. // 0 1 2 3 - 8 // If the packet is coming, then I need to replace the item they are switching to // As for the old item, I need to restore it. org.bukkit.inventory.ItemStack currentlyHeld = event.getPlayer().getItemInHand(); // If his old weapon isn't air if (currentlyHeld != null && currentlyHeld.getType() != Material.AIR) { PacketContainer packet = new PacketContainer(Packets.Server.SET_SLOT); StructureModifier mods = packet.getModifier(); mods.write(0, 0); mods.write(1, event.getPlayer().getInventory().getHeldItemSlot() + 36); mods.write(2, ReflectionManager.getNmsItem(currentlyHeld)); try { ProtocolLibrary.getProtocolManager().sendServerPacket(event.getPlayer(), packet, false); } catch (InvocationTargetException e) { e.printStackTrace(); } } org.bukkit.inventory.ItemStack newHeld = event.getPlayer().getInventory() .getItem(event.getPacket().getIntegers().read(0)); // If his new weapon isn't air either! if (newHeld != null && newHeld.getType() != Material.AIR) { PacketContainer packet = new PacketContainer(Packets.Server.SET_SLOT); StructureModifier mods = packet.getModifier(); mods.write(0, 0); mods.write(1, event.getPacket().getIntegers().read(0) + 36); mods.write(2, ReflectionManager.getNmsItem(new org.bukkit.inventory.ItemStack(0))); try { ProtocolLibrary.getProtocolManager().sendServerPacket(event.getPlayer(), packet, false); } catch (InvocationTargetException e) { e.printStackTrace(); } } } break; } case Packets.Client.WINDOW_CLICK: { int slot = event.getPacket().getIntegers().read(1); org.bukkit.inventory.ItemStack clickedItem; if (event.getPacket().getIntegers().read(3) == 1) { // Its a shift click clickedItem = event.getPacket().getItemModifier().read(0); if (clickedItem != null && clickedItem.getType() != Material.AIR) { // Rather than predict the clients actions // Lets just update the entire inventory.. Bukkit.getScheduler().scheduleSyncDelayedTask(libsDisguises, new Runnable() { public void run() { event.getPlayer().updateInventory(); } }); } return; } else { // If its not a player inventory click // Shift clicking is exempted for the item in hand.. if (event.getPacket().getIntegers().read(0) != 0) { return; } clickedItem = event.getPlayer().getItemOnCursor(); } if (clickedItem != null && clickedItem.getType() != Material.AIR) { // If the slot is a armor slot if (slot >= 5 && slot <= 8) { if (disguise.isHidingArmorFromSelf()) { PacketContainer packet = new PacketContainer(Packets.Server.SET_SLOT); StructureModifier mods = packet.getModifier(); mods.write(0, 0); mods.write(1, slot); mods.write(2, ReflectionManager.getNmsItem(new org.bukkit.inventory.ItemStack(0))); try { ProtocolLibrary.getProtocolManager().sendServerPacket(event.getPlayer(), packet, false); } catch (InvocationTargetException e) { e.printStackTrace(); } } // Else if its a hotbar slot } else if (slot >= 36 && slot <= 44) { if (disguise.isHidingHeldItemFromSelf()) { int currentSlot = event.getPlayer().getInventory().getHeldItemSlot(); // Check if the player is on the same slot as the slot that its setting if (slot == currentSlot + 36) { PacketContainer packet = new PacketContainer(Packets.Server.SET_SLOT); StructureModifier mods = packet.getModifier(); mods.write(0, 0); mods.write(1, slot); mods.write(2, ReflectionManager.getNmsItem(new org.bukkit.inventory.ItemStack(0))); try { ProtocolLibrary.getProtocolManager().sendServerPacket(event.getPlayer(), packet, false); } catch (InvocationTargetException e) { e.printStackTrace(); } } } } } break; } default: break; } } } } }; } public static boolean isHearDisguisesEnabled() { return soundsListenerEnabled; } public static boolean isInventoryListenerEnabled() { return inventoryModifierEnabled; } public static boolean isViewDisguisesListenerEnabled() { return viewDisguisesListenerEnabled; } /** * Sends the self disguise to the player */ public static void sendSelfDisguise(final Player player) { EntityPlayer entityplayer = ((CraftPlayer) player).getHandle(); EntityTrackerEntry tracker = (EntityTrackerEntry) ((WorldServer) entityplayer.world).tracker.trackedEntities.get(player .getEntityId()); if (tracker == null) { // A check incase the tracker is null. // If it is, then this method will be run again in one tick. Which is when it should be constructed. // Else its going to run in a infinite loop hue hue hue.. Bukkit.getScheduler().scheduleSyncDelayedTask(libsDisguises, new Runnable() { public void run() { sendSelfDisguise(player); } }); return; } // Add himself to his own entity tracker tracker.trackedPlayers.add(entityplayer); // Send the player a packet with himself being spawned Packet20NamedEntitySpawn packet = new Packet20NamedEntitySpawn((EntityHuman) entityplayer); entityplayer.playerConnection.sendPacket(packet); if (!tracker.tracker.getDataWatcher().d()) { entityplayer.playerConnection.sendPacket(new Packet40EntityMetadata(player.getEntityId(), tracker.tracker .getDataWatcher(), true)); } // Send himself some entity attributes if (tracker.tracker instanceof EntityLiving) { AttributeMapServer attributemapserver = (AttributeMapServer) ((EntityLiving) tracker.tracker).aX(); Collection collection = attributemapserver.c(); if (!collection.isEmpty()) { entityplayer.playerConnection.sendPacket(new Packet44UpdateAttributes(player.getEntityId(), collection)); } } // Why do we even have this? tracker.j = tracker.tracker.motX; tracker.k = tracker.tracker.motY; tracker.l = tracker.tracker.motZ; boolean isMoving = false; try { Field field = EntityTrackerEntry.class.getDeclaredField("isMoving"); field.setAccessible(true); isMoving = field.getBoolean(tracker); } catch (Exception ex) { ex.printStackTrace(); } // Send the velocity packets if (isMoving) { entityplayer.playerConnection.sendPacket(new Packet28EntityVelocity(player.getEntityId(), tracker.tracker.motX, tracker.tracker.motY, tracker.tracker.motZ)); } // Why the hell would he even need this. Meh. if (tracker.tracker.vehicle != null && player.getEntityId() > tracker.tracker.vehicle.id) { entityplayer.playerConnection.sendPacket(new Packet39AttachEntity(0, tracker.tracker, tracker.tracker.vehicle)); } else if (tracker.tracker.passenger != null && player.getEntityId() > tracker.tracker.passenger.id) { entityplayer.playerConnection.sendPacket(new Packet39AttachEntity(0, tracker.tracker.passenger, tracker.tracker)); } if (tracker.tracker instanceof EntityInsentient && ((EntityInsentient) tracker.tracker).getLeashHolder() != null) { entityplayer.playerConnection.sendPacket(new Packet39AttachEntity(1, tracker.tracker, ((EntityInsentient) tracker.tracker).getLeashHolder())); } // Resend the armor for (int i = 0; i < 5; ++i) { net.minecraft.server.v1_6_R3.ItemStack itemstack = ((EntityLiving) tracker.tracker).getEquipment(i); if (itemstack != null) { entityplayer.playerConnection.sendPacket(new Packet5EntityEquipment(player.getEntityId(), i, itemstack)); } } // If the disguised is sleeping for w/e reason if (entityplayer.isSleeping()) { entityplayer.playerConnection .sendPacket(new Packet17EntityLocationAction(entityplayer, 0, (int) Math.floor(tracker.tracker.locX), (int) Math.floor(tracker.tracker.locY), (int) Math.floor(tracker.tracker.locZ))); } // CraftBukkit start - Fix for nonsensical head yaw tracker.i = (int) Math.floor(tracker.tracker.getHeadRotation() * 256.0F / 360.0F); // tracker.ao() should be // getHeadRotation tracker.broadcast(new Packet35EntityHeadRotation(player.getEntityId(), (byte) tracker.i)); // CraftBukkit end // Resend any active potion effects Iterator iterator = entityplayer.getEffects().iterator(); while (iterator.hasNext()) { MobEffect mobeffect = (MobEffect) iterator.next(); entityplayer.playerConnection.sendPacket(new Packet41MobEffect(player.getEntityId(), mobeffect)); } } 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(inventoryListenerClient); ProtocolLibrary.getProtocolManager().addPacketListener(inventoryListenerServer); } else { ProtocolLibrary.getProtocolManager().removePacketListener(inventoryListenerClient); ProtocolLibrary.getProtocolManager().removePacketListener(inventoryListenerServer); } for (Player player : Bukkit.getOnlinePlayers()) { Disguise disguise = DisguiseAPI.getDisguise(player); if (disguise != null) { if (viewDisguisesListenerEnabled && disguise.viewSelfDisguise() && (disguise.isHidingArmorFromSelf() || disguise.isHidingHeldItemFromSelf())) { player.updateInventory(); } } } } } 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); if (disguise != null) { if (disguise.viewSelfDisguise()) { if (enabled) { disguiseAPI.setupFakeDisguise(disguise); } else { disguiseAPI.removeVisibleDisguise(player); } if (inventoryModifierEnabled && (disguise.isHidingArmorFromSelf() || disguise.isHidingHeldItemFromSelf())) { player.updateInventory(); } } } } } } /** * Transform the packet magically into the one I have always dreamed off. My true luv!!! */ private static PacketContainer[] transformPacket(PacketContainer sentPacket, Player observer) { PacketContainer[] packets = new PacketContainer[] { sentPacket }; try { // First get the entity, the one sending this packet StructureModifier entityModifer = sentPacket.getEntityModifier(observer.getWorld()); org.bukkit.entity.Entity entity = entityModifer.read((Packets.Server.COLLECT == sentPacket.getID() ? 1 : 0)); Disguise disguise = DisguiseAPI.getDisguise(entity); // If disguised. if (disguise != null) { // If packet is Packets.Server.UPDATE_ATTRIBUTES // This packet sends attributes switch (sentPacket.getID()) { case Packets.Server.UPDATE_ATTRIBUTES: { packets = new PacketContainer[0]; break; } // Else if the packet is sending entity metadata case Packets.Server.ENTITY_METADATA: { List watchableObjects = disguise.getWatcher().convert( packets[0].getWatchableCollectionModifier().read(0)); packets[0] = new PacketContainer(sentPacket.getID()); StructureModifier newMods = packets[0].getModifier(); newMods.write(0, entity.getEntityId()); packets[0].getWatchableCollectionModifier().write(0, watchableObjects); break; } // Else if the packet is spawning.. case Packets.Server.NAMED_ENTITY_SPAWN: case Packets.Server.MOB_SPAWN: case Packets.Server.ADD_EXP_ORB: case Packets.Server.VEHICLE_SPAWN: case Packets.Server.ENTITY_PAINTING: { packets = constructSpawnPackets(disguise, entity); break; } // Else if the disguise is attempting to send players a forbidden packet case Packets.Server.ARM_ANIMATION: { if (disguise.getType().isMisc() || (packets[0].getIntegers().read(1) == 3 && !disguise.getType().isPlayer())) { packets = new PacketContainer[0]; } break; } case Packets.Server.COLLECT: { if (disguise.getType().isMisc()) packets = new PacketContainer[0]; break; } // Else if the disguise is moving. case Packets.Server.REL_ENTITY_MOVE_LOOK: case Packets.Server.ENTITY_LOOK: case Packets.Server.ENTITY_TELEPORT: { if (sentPacket.getID() == Packets.Server.ENTITY_LOOK && disguise.getType() == DisguiseType.WITHER_SKULL) { packets = new PacketContainer[0]; } else { packets[0] = sentPacket.shallowClone(); StructureModifier mods = packets[0].getModifier(); byte value = (Byte) mods.read(4); mods.write(4, getYaw(disguise.getType(), DisguiseType.getType(entity.getType()), value)); if (sentPacket.getID() == Packets.Server.ENTITY_TELEPORT) { double y = getYModifier(entity, disguise.getType()); if (y != 0) { y *= 32; mods.write(2, (Integer) mods.read(2) + (int) Math.floor(y)); } } } break; } case Packets.Server.ENTITY_EQUIPMENT: { int slot = (Integer) packets[0].getModifier().read(1) - 1; if (slot < 0) slot = 4; org.bukkit.inventory.ItemStack itemstack = disguise.getWatcher().getItemStack(slot); if (itemstack != null) { packets[0] = packets[0].shallowClone(); packets[0].getModifier().write(2, (itemstack.getTypeId() == 0 ? null : ReflectionManager.getNmsItem(itemstack))); } break; } case Packets.Server.ENTITY_LOCATION_ACTION: { if (!disguise.getType().isPlayer()) { packets = new PacketContainer[0]; } break; } default: break; } } } catch (Exception e) { e.printStackTrace(); } return packets; } }