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Cleaned up the main packet listener. Fixed a problem with facing direction. Stupid me only accounted for living entitys. Forgot this problem extended to disguised non-living Added some commenting
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Andrew
parent
957cf83e67
commit
b3f2fcaed2
@ -80,7 +80,7 @@ public class LibsDisguises extends JavaPlugin {
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}
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private void addPacketListeners() {
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final ProtocolManager manager = ProtocolLibrary.getProtocolManager();
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ProtocolManager manager = ProtocolLibrary.getProtocolManager();
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manager.addPacketListener(new PacketAdapter(this, ConnectionSide.SERVER_SIDE, ListenerPriority.HIGHEST,
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Packets.Server.NAMED_ENTITY_SPAWN, Packets.Server.ENTITY_METADATA, Packets.Server.ARM_ANIMATION,
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Packets.Server.REL_ENTITY_MOVE_LOOK, Packets.Server.ENTITY_LOOK, Packets.Server.ENTITY_TELEPORT,
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@ -89,110 +89,75 @@ public class LibsDisguises extends JavaPlugin {
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@Override
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public void onPacketSending(PacketEvent event) {
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try {
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final Player observer = event.getPlayer();
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Player observer = event.getPlayer();
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// First get the entity, the one sending this packet
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StructureModifier<Entity> entityModifer = event.getPacket().getEntityModifier(observer.getWorld());
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org.bukkit.entity.Entity entity = entityModifer.read((Packets.Server.COLLECT == event.getPacketID() ? 1 : 0));
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// If the entity is the same as the sender. Don't disguise!
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// Prevents problems and there is no advantage to be gained.
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if (entity == observer)
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return;
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if (DisguiseAPI.isDisguised(entity)) {
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Disguise disguise = DisguiseAPI.getDisguise(entity);
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Disguise disguise = DisguiseAPI.getDisguise(entity);
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// If disguised.
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if (disguise != null) {
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// If packet is Packets.Server.UPDATE_ATTRIBUTES - For some reason maven doesn't let me..
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// This packet sends attributes
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if (event.getPacketID() == 44) {
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if (disguise.getType().isMisc() && entity.getType().isAlive()) {
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event.setCancelled(true);
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} else {
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HashMap<String, Double> values = Values.getAttributesValues(disguise.getType());
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Iterator<AttributeSnapshot> itel = ((List<AttributeSnapshot>) event.getPacket().getModifier()
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.read(1)).iterator();
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event.setPacket(new PacketContainer(event.getPacketID()));
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Collection collection = new ArrayList<AttributeSnapshot>();
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while (itel.hasNext()) {
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AttributeSnapshot att = itel.next();
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if (values.containsKey(att.a())) {
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collection.add(new AttributeSnapshot(null, att.a(), values.get(att.a()), att.c()));
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}
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// Grab the values which are 'approved' to be sent for this entity
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HashMap<String, Double> values = Values.getAttributesValues(disguise.getType());
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Collection collection = new ArrayList<AttributeSnapshot>();
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for (AttributeSnapshot att : (List<AttributeSnapshot>) event.getPacket().getModifier().read(1)) {
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if (values.containsKey(att.a())) {
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collection.add(new AttributeSnapshot(null, att.a(), values.get(att.a()), att.c()));
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}
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}
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if (collection.size() > 0) {
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event.setPacket(new PacketContainer(event.getPacketID()));
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StructureModifier<Object> mods = event.getPacket().getModifier();
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mods.write(0, entity.getEntityId());
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mods.write(1, collection);
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} else {
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event.setCancelled(true);
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}
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} else if (event.getPacketID() == Packets.Server.ENTITY_METADATA) {
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StructureModifier<Object> mods = event.getPacket().getModifier();
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}
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// Else if the packet is sending entity metadata
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else if (event.getPacketID() == Packets.Server.ENTITY_METADATA) {
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List<WatchableObject> watchableObjects = disguise.getWatcher().convert(
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(List<WatchableObject>) event.getPacket().getModifier().read(1));
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event.setPacket(new PacketContainer(event.getPacketID()));
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StructureModifier<Object> newMods = event.getPacket().getModifier();
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newMods.write(0, mods.read(0));
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newMods.write(1, disguise.getWatcher().convert((List<WatchableObject>) mods.read(1)));
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} else if (event.getPacketID() == Packets.Server.NAMED_ENTITY_SPAWN) {
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if (disguise.getType().isPlayer()) {
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StructureModifier<Object> mods = event.getPacket().getModifier();
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String name = (String) mods.read(1);
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if (!name.equals(((PlayerDisguise) disguise).getName())) {
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final PacketContainer[] packets = constructPacket(disguise, entity);
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event.setPacket(packets[0]);
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if (packets.length > 1) {
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Bukkit.getScheduler().scheduleSyncDelayedTask(plugin, new Runnable() {
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public void run() {
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try {
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manager.sendServerPacket(observer, packets[1]);
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} catch (InvocationTargetException e) {
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e.printStackTrace();
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}
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}
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});
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}
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}
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} else {
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final PacketContainer[] packets = constructPacket(disguise, entity);
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event.setPacket(packets[0]);
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if (packets.length > 1) {
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Bukkit.getScheduler().scheduleSyncDelayedTask(plugin, new Runnable() {
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public void run() {
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try {
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manager.sendServerPacket(observer, packets[1]);
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} catch (InvocationTargetException e) {
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e.printStackTrace();
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}
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}
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});
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}
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}
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} else if (event.getPacketID() == Packets.Server.MOB_SPAWN
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newMods.write(0, entity.getEntityId());
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newMods.write(1, watchableObjects);
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}
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// Else if the packet is spawning..
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else if (event.getPacketID() == Packets.Server.NAMED_ENTITY_SPAWN
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|| event.getPacketID() == Packets.Server.MOB_SPAWN
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|| event.getPacketID() == Packets.Server.ADD_EXP_ORB
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|| event.getPacketID() == Packets.Server.VEHICLE_SPAWN
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|| event.getPacketID() == Packets.Server.ENTITY_PAINTING) {
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final PacketContainer[] packets = constructPacket(disguise, entity);
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PacketContainer[] packets = constructPacket(disguise, entity);
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event.setPacket(packets[0]);
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if (packets.length > 1) {
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Bukkit.getScheduler().scheduleSyncDelayedTask(plugin, new Runnable() {
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public void run() {
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try {
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manager.sendServerPacket(observer, packets[1]);
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} catch (InvocationTargetException e) {
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e.printStackTrace();
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}
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}
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});
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sendDelayedPacket(packets[1], observer);
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}
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} else if (event.getPacketID() == Packets.Server.ARM_ANIMATION
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}
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// Else if the disguise is attempting to send players a forbidden packet
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else if (event.getPacketID() == Packets.Server.ARM_ANIMATION
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|| event.getPacketID() == Packets.Server.COLLECT) {
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if (disguise.getType().isMisc()) {
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event.setCancelled(true);
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}
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} else if (Packets.Server.REL_ENTITY_MOVE_LOOK == event.getPacketID()
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}
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// Else if the disguise is moving.
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else if (Packets.Server.REL_ENTITY_MOVE_LOOK == event.getPacketID()
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|| Packets.Server.ENTITY_LOOK == event.getPacketID()
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|| Packets.Server.ENTITY_TELEPORT == event.getPacketID()) {
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event.setPacket(event.getPacket().deepClone());
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StructureModifier<Object> mods = event.getPacket().getModifier();
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if (disguise.getType() == DisguiseType.ENDER_DRAGON) {
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// If the disguise needs its yaw value modified
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if (disguise.getType() == DisguiseType.ENDER_DRAGON || disguise.getType().isMisc()) {
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event.setPacket(event.getPacket().shallowClone());
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StructureModifier<Object> mods = event.getPacket().getModifier();
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byte value = (Byte) mods.read(4);
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mods.write(4, (byte) (value - 128));
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} else if (disguise.getType().isMisc()) {
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byte value = (Byte) mods.read(4);
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if (disguise.getType() == DisguiseType.ITEM_FRAME || disguise.getType() == DisguiseType.ARROW) {
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mods.write(4, (byte) -value);
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} else if (disguise.getType() == DisguiseType.PAINTING) {
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mods.write(4, (byte) -(value + 128));
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} else if (disguise.getType().isMisc())
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mods.write(4, (byte) (value - 64));
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mods.write(4, getYaw(DisguiseType.getType(entity.getType()), disguise.getType(), value));
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}
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}
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}
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@ -201,6 +166,8 @@ public class LibsDisguises extends JavaPlugin {
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}
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}
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});
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// Now add a client listener to cancel them interacting with uninteractable disguised entitys.
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// You ain't supposed to be allowed to 'interact' with a item that cannot be clicked.
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manager.addPacketListener(new PacketAdapter(this, ConnectionSide.CLIENT_SIDE, ListenerPriority.NORMAL,
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Packets.Client.USE_ENTITY) {
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@Override
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@ -220,6 +187,56 @@ public class LibsDisguises extends JavaPlugin {
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});
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}
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private byte getYaw(DisguiseType entityType, DisguiseType disguiseType, int value) {
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switch (disguiseType) {
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case ENDER_DRAGON:
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value -= 128;
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break;
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case ITEM_FRAME:
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case ARROW:
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value = -value;
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break;
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case PAINTING:
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value = -(value + 128);
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break;
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default:
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if (disguiseType.isMisc()) {
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value -= 64;
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}
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break;
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}
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switch (entityType) {
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case ENDER_DRAGON:
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value += 128;
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break;
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case ITEM_FRAME:
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case ARROW:
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value = -value;
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break;
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case PAINTING:
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value = -(value - 128);
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break;
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default:
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if (disguiseType.isMisc()) {
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value += 64;
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}
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break;
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}
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return (byte) value;
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}
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private void sendDelayedPacket(final PacketContainer packet, final Player player) {
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Bukkit.getScheduler().scheduleSyncDelayedTask(this, new Runnable() {
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public void run() {
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try {
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ProtocolLibrary.getProtocolManager().sendServerPacket(player, packet);
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} catch (InvocationTargetException e) {
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e.printStackTrace();
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}
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}
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});
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}
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protected PacketContainer[] constructPacket(Disguise disguise, Entity disguisedEntity) {
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PacketContainer[] spawnPackets = new PacketContainer[2];
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ProtocolManager manager = ProtocolLibrary.getProtocolManager();
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