LibsDisguises/src/me/libraryaddict/disguise/DisguiseAPI.java

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package me.libraryaddict.disguise;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.Collection;
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import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Random;
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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;
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import me.libraryaddict.disguise.Events.DisguisedEvent;
import me.libraryaddict.disguise.Events.RedisguisedEvent;
import me.libraryaddict.disguise.Events.UndisguisedEvent;
import net.minecraft.server.v1_6_R2.AttributeMapServer;
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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;
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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;
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import net.minecraft.server.v1_6_R2.World;
import net.minecraft.server.v1_6_R2.WorldServer;
import org.apache.commons.lang.Validate;
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import org.bukkit.Bukkit;
import org.bukkit.Location;
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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;
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import org.bukkit.entity.LivingEntity;
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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;
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public class DisguiseAPI {
private static HashMap<Entity, Disguise> disguises = new HashMap<Entity, Disguise>();
private static LibsDisguises libsDisguises;
private static PacketListener packetListener;
private static boolean sendVelocity;
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private static boolean soundsEnabled;
private static HashMap<Integer, Integer> selfDisguisesIds = new HashMap<Integer, Integer>();
private static boolean viewDisguises;
private static boolean hearSelfDisguise;
private static PacketListener viewDisguisesListener;
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private synchronized static Disguise access(Entity entity, Disguise... args) {
if (args.length == 0) {
if (disguises.containsKey(entity))
return disguises.get(entity);
return null;
}
if (args[0] == null)
disguises.remove(entity);
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else
disguises.put(entity, args[0]);
return null;
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}
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/**
* @param Player
* - The player to disguise
* @param Disguise
* - The disguise to wear
*/
public static void disguiseToAll(Entity entity, Disguise disguise) {
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if (disguise == null)
return;
Disguise oldDisguise = getDisguise(entity);
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if (oldDisguise != null) {
RedisguisedEvent event = new RedisguisedEvent(entity, oldDisguise, disguise);
Bukkit.getPluginManager().callEvent(event);
if (event.isCancelled())
return;
oldDisguise.getScheduler().cancel();
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} else {
DisguisedEvent event = new DisguisedEvent(entity, disguise);
Bukkit.getPluginManager().callEvent(event);
if (event.isCancelled())
return;
}
if (disguise.getEntity() != entity) {
if (disguise.getWatcher() != null) {
disguise = disguise.clone();
}
disguise.constructWatcher(entity);
}
put(entity, disguise);
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refresh(entity);
if (entity instanceof Player)
setupPlayer((Player) entity);
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}
public static void enableSounds(boolean isSoundsEnabled) {
if (soundsEnabled != isSoundsEnabled) {
soundsEnabled = isSoundsEnabled;
if (soundsEnabled) {
ProtocolLibrary.getProtocolManager().addPacketListener(packetListener);
} else {
ProtocolLibrary.getProtocolManager().removePacketListener(packetListener);
}
}
}
public static void setHearSelfDisguise(boolean replaceSound) {
if (hearSelfDisguise != replaceSound) {
hearSelfDisguise = replaceSound;
}
}
public static boolean canHearSelfDisguise() {
return hearSelfDisguise;
}
private static Disguise get(Entity obj) {
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return access(obj);
}
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/**
* @param Disguiser
* @return Disguise
*/
public static Disguise getDisguise(Entity disguiser) {
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return get(disguiser);
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}
@Deprecated
public static Disguise getDisguise(Object disguiser) {
return get((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<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) {
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if (entity instanceof LivingEntity && ((LivingEntity) entity).getHealth() == 0) {
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soundType = SoundType.DEATH;
} else {
boolean hasInvun = false;
if (entity instanceof LivingEntity) {
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net.minecraft.server.v1_6_R2.EntityLiving e = ((CraftLivingEntity) entity)
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.getHandle();
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hasInvun = (e.noDamageTicks == e.maxNoDamageTicks);
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} else {
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net.minecraft.server.v1_6_R2.Entity e = ((CraftEntity) entity).getHandle();
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hasInvun = e.isInvulnerable();
}
soundType = entitySound.getType(soundName, !hasInvun);
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}
if (soundType != null) {
disguisedEntity = entity;
break;
}
}
}
}
}
if (disguisedEntity != null && (hearSelfDisguise || disguisedEntity != event.getPlayer())) {
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Disguise disguise = DisguiseAPI.getDisguise(disguisedEntity);
if (disguise.replaceSounds()) {
String sound = null;
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DisguiseSound dSound = DisguiseSound.getType(disguise.getType().name());
if (dSound != null && soundType != null)
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sound = dSound.getSound(soundType);
if (sound == null) {
event.setCancelled(true);
} else {
if (sound.equals("step.grass")) {
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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());
} 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
|| (hearSelfDisguise && entity == event.getPlayer() && (soundType == SoundType.HURT || soundType == SoundType.DEATH))) {
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();
}
}
}
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}
}
}
}
}
}
};
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<Entity> entityModifer = event.getPacket().getEntityModifier(event.getPlayer().getWorld());
org.bukkit.entity.Entity entity = entityModifer.read(0);
if (entity == event.getPlayer() && selfDisguisesIds.containsKey(entity.getEntityId())) {
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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<Object> mods = event.getPacket().getModifier();
Iterator<WatchableObject> itel = ((List<WatchableObject>) 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:
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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());
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;
}
}
}
}
};
}
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/**
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* @param Disguiser
* @return boolean - If the disguiser is disguised
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*/
public static boolean isDisguised(Entity disguiser) {
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return get(disguiser) != null;
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}
@Deprecated
public static boolean isDisguised(Object disguiser) {
return get((Entity) disguiser) != null;
}
public static boolean isVelocitySent() {
return sendVelocity;
}
private static void put(Entity obj, Disguise disguise) {
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access(obj, disguise);
}
/**
* @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) {
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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);
}
}
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}
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);
}
}
private static void setupPlayer(Player player) {
removeVisibleDisguise(player);
if (!viewDisguises())
return;
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();
}
EntityPlayer entityplayer = ((CraftPlayer) player).getHandle();
EntityTrackerEntry tracker = (EntityTrackerEntry) ((WorldServer) entityplayer.world).tracker.trackedEntities.get(player
.getEntityId());
Validate.notNull(tracker,
"If you are disguising as soon as they log in, please wait a tick or 2 for their EntityTracker to be constructed");
tracker.trackedPlayers.add(entityplayer);
// CraftBukkit end
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
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if (tracker.tracker.vehicle != null && player.getEntityId() > tracker.tracker.vehicle.id) {
entityplayer.playerConnection.sendPacket(new Packet39AttachEntity(0, tracker.tracker, tracker.tracker.vehicle));
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} 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) {
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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
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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();
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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);
}
}
}
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/**
* @param Disguiser
* - Undisguises him
*/
public static void undisguiseToAll(Entity entity) {
Disguise disguise = getDisguise(entity);
if (disguise == null)
return;
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UndisguisedEvent event = new UndisguisedEvent(entity, disguise);
Bukkit.getPluginManager().callEvent(event);
if (event.isCancelled())
return;
disguise.getScheduler().cancel();
put(entity, null);
if (entity.isValid()) {
refresh(entity);
}
if (entity instanceof Player)
removeVisibleDisguise((Player) entity);
}
public static boolean viewDisguises() {
return viewDisguises;
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}
}