LibsDisguises/src/me/libraryaddict/disguise/utilities/PacketsManager.java

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package me.libraryaddict.disguise.utilities;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Random;
import me.libraryaddict.disguise.DisguiseAPI;
import me.libraryaddict.disguise.LibsDisguises;
import me.libraryaddict.disguise.disguisetypes.Disguise;
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.utilities.DisguiseSound.SoundType;
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import org.bukkit.Art;
import org.bukkit.Bukkit;
import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.entity.Ageable;
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.entity.Zombie;
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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;
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import com.comphenix.protocol.wrappers.WrappedDataWatcher;
import com.comphenix.protocol.wrappers.WrappedWatchableObject;
public class PacketsManager {
private static boolean cancelSound;
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;
public static void addPacketListeners(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<Entity> 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<Entity> 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);
Object nmsEntity = ReflectionManager.getNmsEntity(disguisedEntity);
ArrayList<PacketContainer> packets = new ArrayList<PacketContainer>();
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;
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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<Object> mods = packet.getModifier();
mods.write(0, disguisedEntity.getEntityId());
mods.write(1, i);
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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<Object> 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<Object> 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)
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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());
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mods.write(1, (int) Math.floor(loc.getX() * 32D));
mods.write(2, (int) Math.floor(loc.getY() * 32D));
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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<String> stringMods = spawnPackets[0].getStrings();
for (int i = 0; i < stringMods.size(); i++) {
stringMods.write(i, ((PlayerDisguise) disguise).getName());
}
StructureModifier<Integer> intMods = spawnPackets[0].getIntegers();
intMods.write(0, disguisedEntity.getEntityId());
intMods.write(1, (int) Math.floor(loc.getX() * 32));
intMods.write(2, (int) Math.floor(loc.getY() * 32));
intMods.write(3, (int) Math.floor(loc.getZ() * 32));
ItemStack item = null;
if (disguisedEntity instanceof Player && ((Player) disguisedEntity).getItemInHand() != null) {
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item = ((Player) disguisedEntity).getItemInHand();
} else if (disguisedEntity instanceof LivingEntity) {
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item = ((LivingEntity) disguisedEntity).getEquipment().getItemInHand();
}
intMods.write(4, (item == null || item.getType() == Material.AIR ? 0 : item.getTypeId()));
StructureModifier<Byte> byteMods = spawnPackets[0].getBytes();
byteMods.write(0, yaw);
byteMods.write(1, (byte) (int) (loc.getPitch() * 256F / 360F));
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spawnPackets[0].getDataWatcherModifier().write(0,
createDataWatcher(WrappedDataWatcher.getEntityWatcher(disguisedEntity), disguise.getWatcher()));
} else if (disguise.getType().isMob()) {
DisguiseValues values = DisguiseValues.getDisguiseValues(disguise.getType());
Vector vec = disguisedEntity.getVelocity();
spawnPackets[0] = new PacketContainer(Packets.Server.MOB_SPAWN);
StructureModifier<Object> 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;
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mods.write(2, values.getEntitySize(loc.getX()));
mods.write(3, (int) Math.floor(loc.getY() * 32D));
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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));
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spawnPackets[0].getDataWatcherModifier().write(0,
createDataWatcher(WrappedDataWatcher.getEntityWatcher(disguisedEntity), disguise.getWatcher()));
} 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] = ProtocolLibrary.getProtocolManager()
.createPacketConstructor(Packets.Server.VEHICLE_SPAWN, nmsEntity, id, data).createPacket(nmsEntity, id, data);
spawnPackets[0].getModifier().write(2, (int) Math.floor(loc.getY() * 32D));
spawnPackets[0].getModifier().write(8, yaw);
if (disguise.getType() == DisguiseType.FALLING_BLOCK) {
// Make the teleport packet to make it visible..
spawnPackets[1] = new PacketContainer(Packets.Server.ENTITY_TELEPORT);
StructureModifier<Object> 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));
}
}
if (spawnPackets[1] == null) {
// Make a packet to turn his head!
spawnPackets[1] = new PacketContainer(Packets.Server.ENTITY_HEAD_ROTATION);
StructureModifier<Object> 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
*/
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private static WrappedDataWatcher createDataWatcher(WrappedDataWatcher watcher, FlagWatcher flagWatcher) {
WrappedDataWatcher newWatcher = new WrappedDataWatcher();
try {
// Calling c() gets the watchable objects exactly as they are.
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List<WrappedWatchableObject> 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 MINECART:
case MINECART_CHEST:
case MINECART_FURNACE:
case MINECART_HOPPER:
case MINECART_MOB_SPAWNER:
case MINECART_TNT:
return 0.4;
case 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 0.7;
default:
break;
}
return 0;
}
/**
* Creates the packet listeners
*/
public 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<Object> 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) {
Object obj = null;
if (entity instanceof LivingEntity) {
try {
obj = LivingEntity.class.getMethod("getHealth").invoke(entity);
} catch (Exception e) {
e.printStackTrace();
}
if (obj instanceof Double ? (Double) obj == 0 : (Integer) obj == 0) {
soundType = SoundType.DEATH;
} else {
obj = null;
}
}
if (obj == null) {
boolean hasInvun = false;
Object nmsEntity = ReflectionManager.getNmsEntity(entity);
try {
Class entityClass = ReflectionManager.getNmsClass("Entity");
if (entity instanceof LivingEntity) {
hasInvun = entityClass.getField("noDamageTicks").getInt(nmsEntity) == ReflectionManager
.getNmsClass("EntityLiving").getField("maxNoDamageTicks")
.getInt(nmsEntity);
} else {
hasInvun = (Boolean) entityClass.getMethod("isInvulnerable").invoke(nmsEntity);
}
} catch (Exception ex) {
ex.printStackTrace();
}
soundType = entitySound.getType(soundName, !hasInvun);
}
if (soundType != null) {
disguisedEntity = entity;
break;
}
}
}
}
}
Disguise disguise = DisguiseAPI.getDisguise(disguisedEntity);
if (disguise != null) {
if (disguise.isSelfDisguiseSoundsReplaced() || disguisedEntity != event.getPlayer()) {
if (disguise.isSoundsReplaced()) {
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")) {
try {
int typeId = soundLoc.getWorld().getBlockTypeIdAt(soundLoc.getBlockX(),
soundLoc.getBlockY() - 1, soundLoc.getBlockZ());
Class blockClass = ReflectionManager.getNmsClass("Block");
Object block = ((Object[]) blockClass.getField("byId").get(null))[typeId];
if (block != null) {
Object step = blockClass.getField("stepSound").get(block);
mods.write(0, step.getClass().getMethod("getStepSound").invoke(step));
}
} catch (Exception ex) {
ex.printStackTrace();
}
// 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 = false;
if (disguisedEntity instanceof Zombie) {
baby = ((Zombie) disguisedEntity).isBaby();
} else if (disguisedEntity instanceof Ageable) {
baby = !((Ageable) disguisedEntity).isAdult();
}
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) {
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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.isSelfDisguiseSoundsReplaced() || entity != event.getPlayer())) {
DisguiseSound disSound = DisguiseSound.getType(entity.getType().name());
if (disSound == null)
return;
SoundType soundType = null;
Object obj = null;
if (entity instanceof LivingEntity) {
try {
obj = LivingEntity.class.getMethod("getHealth").invoke(entity);
} catch (Exception e) {
e.printStackTrace();
}
if (obj instanceof Double ? (Double) obj == 0 : (Integer) obj == 0) {
soundType = SoundType.DEATH;
} else {
obj = null;
}
}
if (obj == null) {
soundType = SoundType.HURT;
}
if (disSound.getSound(soundType) == null
|| (disguise.isSelfDisguiseSoundsReplaced() && entity == event.getPlayer())) {
if (disguise.isSelfDisguiseSoundsReplaced() && 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,
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Packets.Server.ENTITY_VELOCITY, Packets.Server.UPDATE_ATTRIBUTES) {
@Override
public void onPacketSending(PacketEvent event) {
StructureModifier<Entity> 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());
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Iterator<WrappedWatchableObject> itel = event.getPacket().getWatchableCollectionModifier().read(0)
.iterator();
while (itel.hasNext()) {
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WrappedWatchableObject watch = itel.next();
if (watch.getIndex() == 0) {
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byte b = (Byte) watch.getValue();
byte a = (byte) (b | 1 << 5);
if ((b & 1 << 3) != 0)
a = (byte) (a | 1 << 3);
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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<Object> mods = packet.getModifier();
mods.write(0, entity.getEntityId());
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List<WrappedWatchableObject> watchableList = new ArrayList<WrappedWatchableObject>();
byte b = (byte) (0 | 1 << 5);
if (event.getPlayer().isSprinting())
b = (byte) (b | 1 << 3);
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watchableList.add(new WrappedWatchableObject(0, b));
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packet.getWatchableCollectionModifier().write(0, watchableList);
try {
ProtocolLibrary.getProtocolManager().sendServerPacket(event.getPlayer(), packet, false);
} catch (Exception ex) {
ex.printStackTrace();
}
}
event.setCancelled(true);
break;
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/* 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.isSelfDisguiseVisible()
&& (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()
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.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());
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event.getPacket()
.getModifier()
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.write(2, ReflectionManager.getNmsItem(new org.bukkit.inventory.ItemStack(0)));
}
}
}
}
break;
}
/**
* Done
*/
case Packets.Server.WINDOW_ITEMS: {
event.setPacket(event.getPacket().deepClone());
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StructureModifier<ItemStack[]> 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) {
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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) {
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items[slot] = new org.bukkit.inventory.ItemStack(0);
}
}
}
}
}
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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.isSelfDisguiseVisible()
&& (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<Object> mods = packet.getModifier();
mods.write(0, 0);
mods.write(1, slot);
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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<Object> mods = packet.getModifier();
mods.write(0, 0);
mods.write(1, slot);
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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<Object> mods = packet.getModifier();
mods.write(0, 0);
mods.write(1, event.getPlayer().getInventory().getHeldItemSlot() + 36);
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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<Object> mods = packet.getModifier();
mods.write(0, 0);
mods.write(1, event.getPacket().getIntegers().read(0) + 36);
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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<Object> mods = packet.getModifier();
mods.write(0, 0);
mods.write(1, slot);
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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<Object> mods = packet.getModifier();
mods.write(0, 0);
mods.write(1, slot);
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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;
}
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.isSelfDisguiseVisible()
&& (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.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!!!
*/
private static PacketContainer[] transformPacket(PacketContainer sentPacket, Player observer) {
PacketContainer[] packets = new PacketContainer[] { sentPacket };
try {
// First get the entity, the one sending this packet
StructureModifier<Entity> 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:
{
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packets = new PacketContainer[0];
break;
}
// Else if the packet is sending entity metadata
case Packets.Server.ENTITY_METADATA:
{
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List<WrappedWatchableObject> watchableObjects = disguise.getWatcher().convert(
packets[0].getWatchableCollectionModifier().read(0));
packets[0] = new PacketContainer(sentPacket.getID());
StructureModifier<Object> newMods = packets[0].getModifier();
newMods.write(0, entity.getEntityId());
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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:
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{
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<Object> 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,
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(itemstack.getTypeId() == 0 ? null : ReflectionManager.getNmsItem(itemstack)));
}
break;
}
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case Packets.Server.ENTITY_LOCATION_ACTION:
{
if (!disguise.getType().isPlayer()) {
packets = new PacketContainer[0];
}
break;
}
default:
break;
}
}
} catch (Exception e) {
e.printStackTrace();
}
return packets;
}
}