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.HashMap; 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.DisguiseSound.SoundType; import me.libraryaddict.disguise.DisguiseTypes.DisguiseType; import me.libraryaddict.disguise.DisguiseTypes.MobDisguise; import me.libraryaddict.disguise.Events.DisguiseEvent; import me.libraryaddict.disguise.Events.UndisguiseEvent; import net.minecraft.server.v1_6_R2.AttributeMapServer; import net.minecraft.server.v1_6_R2.Block; import net.minecraft.server.v1_6_R2.EntityHuman; import net.minecraft.server.v1_6_R2.EntityInsentient; import net.minecraft.server.v1_6_R2.EntityLiving; import net.minecraft.server.v1_6_R2.EntityPlayer; import net.minecraft.server.v1_6_R2.EntityTrackerEntry; import net.minecraft.server.v1_6_R2.ItemStack; import net.minecraft.server.v1_6_R2.MobEffect; import net.minecraft.server.v1_6_R2.Packet17EntityLocationAction; import net.minecraft.server.v1_6_R2.Packet20NamedEntitySpawn; import net.minecraft.server.v1_6_R2.Packet28EntityVelocity; import net.minecraft.server.v1_6_R2.Packet35EntityHeadRotation; import net.minecraft.server.v1_6_R2.Packet39AttachEntity; import net.minecraft.server.v1_6_R2.Packet40EntityMetadata; import net.minecraft.server.v1_6_R2.Packet41MobEffect; import net.minecraft.server.v1_6_R2.Packet44UpdateAttributes; import net.minecraft.server.v1_6_R2.Packet5EntityEquipment; import net.minecraft.server.v1_6_R2.WatchableObject; import net.minecraft.server.v1_6_R2.World; import net.minecraft.server.v1_6_R2.WorldServer; import org.bukkit.Bukkit; import org.bukkit.Location; import org.bukkit.craftbukkit.v1_6_R2.entity.CraftEntity; import org.bukkit.craftbukkit.v1_6_R2.entity.CraftLivingEntity; import org.bukkit.craftbukkit.v1_6_R2.entity.CraftPlayer; import org.bukkit.entity.Entity; import org.bukkit.entity.LivingEntity; import org.bukkit.entity.Player; import com.comphenix.protocol.Packets; import com.comphenix.protocol.ProtocolLibrary; 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; public class DisguiseAPI { private static HashMap disguises = new HashMap(); private static boolean hearSelfDisguise; private static LibsDisguises libsDisguises; private static PacketListener packetListener; private static HashMap selfDisguisesIds = new HashMap(); private static boolean sendVelocity; private static boolean soundsEnabled; private static boolean viewDisguises; private static PacketListener viewDisguisesListener; public static boolean canHearSelfDisguise() { return hearSelfDisguise; } public static void disguiseNextEntity(Disguise disguise) { if (disguise == null) return; try { Field field = net.minecraft.server.v1_6_R2.Entity.class.getDeclaredField("entityCount"); field.setAccessible(true); int id = field.getInt(null); disguises.put(id, disguise); } catch (Exception ex) { ex.printStackTrace(); } } /** * @param Player * - The player to disguise * @param Disguise * - The disguise to wear */ public static void disguiseToAll(Entity entity, Disguise disguise) { if (entity == null || disguise == null) return; Disguise oldDisguise = getDisguise(entity); DisguiseEvent event = new DisguiseEvent(entity, disguise); Bukkit.getPluginManager().callEvent(event); if (event.isCancelled()) { return; } else if (oldDisguise != null) { oldDisguise.getScheduler().cancel(); } if (disguise.getEntity() != entity) { if (disguise.getEntity() != null) { disguise = disguise.clone(); } disguise.setEntity(entity); } disguises.put(entity.getEntityId(), disguise); refresh(entity); if (entity instanceof Player) setupPlayer((Player) entity); } public static void enableSounds(boolean isSoundsEnabled) { if (soundsEnabled != isSoundsEnabled) { soundsEnabled = isSoundsEnabled; if (soundsEnabled) { ProtocolLibrary.getProtocolManager().addPacketListener(packetListener); } else { ProtocolLibrary.getProtocolManager().removePacketListener(packetListener); } } } /** * @param Disguiser * @return Disguise */ public static Disguise getDisguise(Entity disguiser) { if (disguiser == null) return null; return disguises.get(disguiser.getEntityId()); } @Deprecated public static Disguise getDisguise(Object disguiser) { return getDisguise((Entity) disguiser); } public static int getFakeDisguise(int id) { if (selfDisguisesIds.containsKey(id)) return selfDisguisesIds.get(id); return -1; } protected static void init(LibsDisguises mainPlugin) { libsDisguises = mainPlugin; packetListener = new PacketAdapter(libsDisguises, ConnectionSide.SERVER_SIDE, ListenerPriority.NORMAL, Packets.Server.NAMED_SOUND_EFFECT, Packets.Server.ENTITY_STATUS) { @Override public void onPacketSending(PacketEvent event) { 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_R2.EntityLiving e = ((CraftLivingEntity) entity) .getHandle(); hasInvun = (e.noDamageTicks == e.maxNoDamageTicks); } else { net.minecraft.server.v1_6_R2.Entity e = ((CraftEntity) entity).getHandle(); hasInvun = e.isInvulnerable(); } soundType = entitySound.getType(soundName, !hasInvun); } if (soundType != null) { disguisedEntity = entity; break; } } } } } if (disguisedEntity != null && (hearSelfDisguise || disguisedEntity != event.getPlayer())) { Disguise disguise = DisguiseAPI.getDisguise(disguisedEntity); 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) == 2) { // It made a damage animation Entity entity = event.getPacket().getEntityModifier(observer.getWorld()).read(0); Disguise disguise = getDisguise(entity); if (hearSelfDisguise || entity != event.getPlayer()) { if (disguise != null) { 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 || (soundType != null && hearSelfDisguise && entity == event.getPlayer())) { 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.HIGHEST, 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() && selfDisguisesIds.containsKey(entity.getEntityId())) { PacketContainer[] packets = libsDisguises.transformPacket(event.getPacket(), event.getPlayer()); try { for (PacketContainer packet : packets) { if (packet.equals(event.getPacket())) packet = packet.deepClone(); packet.getModifier().write(0, selfDisguisesIds.get(entity.getEntityId())); ProtocolLibrary.getProtocolManager().sendServerPacket(event.getPlayer(), packet, false); } } catch (Exception ex) { ex.printStackTrace(); } if (event.getPacketID() == Packets.Server.ENTITY_METADATA) { event.setPacket(event.getPacket().deepClone()); StructureModifier mods = event.getPacket().getModifier(); Iterator itel = ((List) mods.read(1)).iterator(); while (itel.hasNext()) { WatchableObject watch = itel.next(); if (watch.a() == 0) { byte b = (Byte) watch.b(); byte a = (byte) (b | 1 << 5); if ((b & 1 << 3) != 0) a = (byte) (a | 1 << 3); watch.a(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 WatchableObject(0, 0, b)); mods.write(1, watchableList); try { ProtocolLibrary.getProtocolManager().sendServerPacket(event.getPlayer(), packet, false); } catch (Exception ex) { ex.printStackTrace(); } } event.setCancelled(true); break; case Packets.Server.ENTITY_STATUS: if (hearSelfDisguise && (Byte) event.getPacket().getModifier().read(1) == 2) event.setCancelled(true); break; default: break; } } } } }; } /** * @param Disguiser * @return boolean - If the disguiser is disguised */ public static boolean isDisguised(Entity disguiser) { return getDisguise(disguiser) != null; } @Deprecated public static boolean isDisguised(Object disguiser) { return getDisguise((Entity) disguiser) != null; } public static boolean isVelocitySent() { return sendVelocity; } /** * @param Resends * the entity to all the watching players, which is where the magic begins */ private static void refresh(Entity entity) { EntityTrackerEntry entry = (EntityTrackerEntry) ((WorldServer) ((CraftEntity) entity).getHandle().world).tracker.trackedEntities .get(entity.getEntityId()); if (entry != null) { EntityPlayer[] players = (EntityPlayer[]) entry.trackedPlayers.toArray(new EntityPlayer[entry.trackedPlayers.size()]); for (EntityPlayer player : players) { if (entity instanceof Player && !player.getBukkitEntity().canSee((Player) entity)) continue; entry.clear(player); entry.updatePlayer(player); } } } private static void removeVisibleDisguise(Player player) { if (selfDisguisesIds.containsKey(player.getEntityId())) { PacketContainer packet = new PacketContainer(Packets.Server.DESTROY_ENTITY); packet.getModifier().write(0, new int[] { selfDisguisesIds.get(player.getEntityId()) }); try { ProtocolLibrary.getProtocolManager().sendServerPacket(player, packet); } catch (Exception ex) { ex.printStackTrace(); } selfDisguisesIds.remove(player.getEntityId()); EntityPlayer entityplayer = ((CraftPlayer) player).getHandle(); EntityTrackerEntry tracker = (EntityTrackerEntry) ((WorldServer) entityplayer.world).tracker.trackedEntities .get(player.getEntityId()); if (tracker != null) { tracker.trackedPlayers.remove(entityplayer); } PacketContainer packetMetadata = new PacketContainer(Packets.Server.ENTITY_METADATA); StructureModifier mods = packetMetadata.getModifier(); mods.write(0, player.getEntityId()); mods.write(1, entityplayer.getDataWatcher().c()); try { ProtocolLibrary.getProtocolManager().sendServerPacket(player, packetMetadata); } catch (Exception ex) { ex.printStackTrace(); } } } public static void setHearSelfDisguise(boolean replaceSound) { if (hearSelfDisguise != replaceSound) { hearSelfDisguise = replaceSound; } } private static void setupPlayer(final Player player) { removeVisibleDisguise(player); if (!viewDisguises()) return; 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. Bukkit.getScheduler().scheduleSyncDelayedTask(libsDisguises, new Runnable() { public void run() { setupPlayer(player); } }); return; } tracker.trackedPlayers.add(entityplayer); int id = 0; try { Field field = net.minecraft.server.v1_6_R2.Entity.class.getDeclaredField("entityCount"); field.setAccessible(true); id = field.getInt(null); field.set(null, id + 1); selfDisguisesIds.put(player.getEntityId(), id); } catch (Exception ex) { ex.printStackTrace(); } 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)); } if (tracker.tracker instanceof EntityLiving) { AttributeMapServer attributemapserver = (AttributeMapServer) ((EntityLiving) tracker.tracker).aW(); Collection collection = attributemapserver.c(); if (!collection.isEmpty()) { entityplayer.playerConnection.sendPacket(new Packet44UpdateAttributes(player.getEntityId(), collection)); } } 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(); } if (isMoving) { entityplayer.playerConnection.sendPacket(new Packet28EntityVelocity(player.getEntityId(), tracker.tracker.motX, tracker.tracker.motY, tracker.tracker.motZ)); } // CraftBukkit start 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).bI() != null) { entityplayer.playerConnection.sendPacket(new Packet39AttachEntity(1, tracker.tracker, ((EntityInsentient) tracker.tracker).bI())); } // CraftBukkit end if (tracker.tracker instanceof EntityLiving) { for (int i = 0; i < 5; ++i) { ItemStack itemstack = ((EntityLiving) tracker.tracker).getEquipment(i); if (itemstack != null) { entityplayer.playerConnection.sendPacket(new Packet5EntityEquipment(player.getEntityId(), i, itemstack)); } } } if (tracker.tracker instanceof EntityHuman) { EntityHuman entityhuman = (EntityHuman) tracker.tracker; if (entityhuman.isSleeping()) { entityplayer.playerConnection.sendPacket(new Packet17EntityLocationAction(tracker.tracker, 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 if (tracker.tracker instanceof EntityLiving) { EntityLiving entityliving = (EntityLiving) tracker.tracker; Iterator iterator = entityliving.getEffects().iterator(); while (iterator.hasNext()) { MobEffect mobeffect = (MobEffect) iterator.next(); entityplayer.playerConnection.sendPacket(new Packet41MobEffect(player.getEntityId(), mobeffect)); } } } public static void setVelocitySent(boolean sendVelocityPackets) { sendVelocity = sendVelocityPackets; } public static void setViewDisguises(boolean seeOwnDisguise) { if (viewDisguises != seeOwnDisguise) { viewDisguises = seeOwnDisguise; if (viewDisguises) { ProtocolLibrary.getProtocolManager().addPacketListener(viewDisguisesListener); } else { ProtocolLibrary.getProtocolManager().removePacketListener(viewDisguisesListener); } } } /** * @param Disguiser * - Undisguises him */ public static void undisguiseToAll(Entity entity) { Disguise disguise = getDisguise(entity); if (disguise == null) return; UndisguiseEvent event = new UndisguiseEvent(entity, disguise); Bukkit.getPluginManager().callEvent(event); if (event.isCancelled()) return; disguise.getScheduler().cancel(); disguises.remove(entity.getEntityId()); if (entity.isValid()) { refresh(entity); } if (entity instanceof Player) removeVisibleDisguise((Player) entity); } public static boolean viewDisguises() { return viewDisguises; } }