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4 Commits
Author SHA1 Message Date
purplexdev a824a70cc6 Lots of code cleaned up, appended some code to the MainExample.java, added an option to kick all online players when the PacketEvents.stop() function is called( JavaPlugin#onDisable() ) 2020-06-18 15:44:53 +02:00
purplexdev 07692f87f2 1.3.3 Release STABLE
* EventManager small optimization
* Imports optimized
* Own GameProfile class added
* New wrappers, this version is going to go on spigotmc!
2020-06-17 17:29:51 +02:00
purplexdev 7f94b254a2 LoginInEncryptionBegin & LoginOutEncryptionBegin wrapper added,
LoginStart & LoginStatusPing wrapper added,
Bug fixed with PostPlayerInjectEvent not being called,
Custom GameProfile class coded,
Main example class readded
2020-06-17 13:15:35 +02:00
purplexdev ceb3581c28 PostPlayerInjectEvent not called bug fix! 2020-06-17 11:04:16 +02:00
51 changed files with 1164 additions and 907 deletions

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@@ -6,7 +6,7 @@
<groupId>io.github.retrooper</groupId>
<artifactId>packetevents</artifactId>
<version>1.3.2</version>
<version>1.3.3</version>
<packaging>jar</packaging>
<name>packetevents</name>
<properties>
@@ -1,13 +1,13 @@
package io.github.retrooper.packetevents;
import io.github.retrooper.packetevents.annotations.NotNull;
import io.github.retrooper.packetevents.annotations.Nullable;
import io.github.retrooper.packetevents.annotations.PacketHandler;
import io.github.retrooper.packetevents.enums.ClientVersion;
import io.github.retrooper.packetevents.enums.ServerVersion;
import io.github.retrooper.packetevents.annotations.PacketHandler;
import io.github.retrooper.packetevents.event.PacketEvent;
import io.github.retrooper.packetevents.event.PacketListener;
import io.github.retrooper.packetevents.event.impl.PacketLoginEvent;
import io.github.retrooper.packetevents.event.impl.PlayerInjectEvent;
import io.github.retrooper.packetevents.event.impl.PostPlayerInjectEvent;
import io.github.retrooper.packetevents.event.impl.ServerTickEvent;
import io.github.retrooper.packetevents.event.impl.*;
import io.github.retrooper.packetevents.event.manager.EventManager;
import io.github.retrooper.packetevents.handler.TinyProtocolHandler;
import io.github.retrooper.packetevents.packet.Packet;
@@ -17,34 +17,24 @@ import io.github.retrooper.packetevents.utils.NMSUtils;
import org.bukkit.Bukkit;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.player.PlayerJoinEvent;
import org.bukkit.plugin.Plugin;
import org.bukkit.scheduler.BukkitTask;
import io.github.retrooper.packetevents.annotations.Nullable;
import java.lang.reflect.InvocationTargetException;
import java.util.HashMap;
public final class PacketEvents implements PacketListener{
/*
* Login wrappers TODO
* PacketLoginInStart
* PacketLoginInEncryptionBegin
*/
private static boolean hasRegistered;
public final class PacketEvents implements PacketListener, Listener {
private static final ServerVersion version = ServerVersion.getVersion();
private static PacketEvents instance;
private static final EventManager eventManager = new EventManager();
private static int currentTick;
private static BukkitTask serverTickTask;
private static final HashMap<Object, ClientVersion> clientVersionLookup = new HashMap<Object, ClientVersion>();
private static boolean hasRegistered;
private static PacketEvents instance;
private static int currentTick;
private static BukkitTask serverTickTask;
private static boolean kickOnRestart;
public static EventManager getEventManager() {
return eventManager;
@@ -61,6 +51,7 @@ public final class PacketEvents implements PacketListener{
//Register Bukkit and PacketListener
getEventManager().registerListener(getInstance());
Bukkit.getPluginManager().registerEvents(getInstance(), plugin);
//Initialize the TinyProtocolHandler
TinyProtocolHandler.initTinyProtocol(plugin);
@@ -68,7 +59,7 @@ public final class PacketEvents implements PacketListener{
final Runnable tickRunnable = new Runnable() {
@Override
public void run() {
getEventManager().callEvent(new ServerTickEvent(currentTick++, PacketEvents.currentCalculatedMS()));
getEventManager().callEvent(new ServerTickEvent(currentTick++, highlyPreciseMillis()));
}
};
serverTickTask = Bukkit.getScheduler().runTaskTimerAsynchronously(plugin, tickRunnable, 0L, 1L);
@@ -77,13 +68,22 @@ public final class PacketEvents implements PacketListener{
}
/**
* Stop all tasks and unregisters all packetevent listeners
* Stop all tasks and unregisters all PacketEvents' listeners
*/
public static void stop() {
if (serverTickTask != null) {
serverTickTask.cancel();
if (!serverTickTask.isCancelled()) {
serverTickTask.cancel();
}
}
getEventManager().unregisterAllListeners();
if (shouldKickOnStop()) {
for (final Player p : Bukkit.getOnlinePlayers()) {
if (p != null) {
p.kickPlayer("Please wait till the server finishes reloading/restarting.");
}
}
}
}
/**
@@ -152,23 +152,30 @@ public final class PacketEvents implements PacketListener{
* @param player
* @return ping
*/
public static int getPing(final Player player) {
public static int getPing(@NotNull final Player player) {
return NMSUtils.getPlayerPing(player);
}
/**
* Should I use this over System.currentTimeMillis()?
* <p>
* 1. System.currentTimeMillis() isn't supported on all machines
* 2. This is way more accurate than System.currentTimeMillis()
* 3. System.currentTimeMillis() can be up to 50ms off, depending on the operating system.
*
* When to use this(nano / 1 million) over {@link System#currentTimeMillis()}
* This is preciser than System.currentTimeMillis(), System.currentTimeMillis() can be up to 50ms off on some operating systems, but using this isn't cheap.
* Java documentation recommend using nano time if you are measuring elapsed time.
* In this function nanoTime is divided by 1 million giving us milliseconds.
* It is also important to mention that using this method doesn't guarantee thread safety.
* @return nanoTime / 1 million
*/
public static long highlyPreciseMillis() {
return System.nanoTime() / 1000000;
}
/**
* This is deprecated, use {@link #highlyPreciseMillis()} as they do the same thing, this is basically just a method rename.
*/
public static long currentCalculatedMS() {
return System.nanoTime() / 1000000;
}
/**
* Get the player's version.
* Do not call this method in the PlayerInjectEvent, it is safe to call it in the PostPlayerInjectEvent.
@@ -178,7 +185,7 @@ public final class PacketEvents implements PacketListener{
* @return ClientVersion
*/
@Nullable
public static ClientVersion getClientVersion(final Player player) {
public static ClientVersion getClientVersion(@NotNull final Player player) {
final Object channel = TinyProtocolHandler.getPlayerChannel(player);
return clientVersionLookup.get(channel);
}
@@ -192,10 +199,56 @@ public final class PacketEvents implements PacketListener{
* @return ClientVersion
*/
@Nullable
public static ClientVersion getClientVersion(final Object channel) {
public static ClientVersion getClientVersion(@NotNull final Object channel) {
return clientVersionLookup.get(channel);
}
public static boolean shouldKickOnStop() {
return kickOnRestart;
}
public static void setShouldKickOnRestart(final boolean val) {
kickOnRestart = val;
}
/**
* Version independent player injection
*
* @param player
*/
public static void injectPlayer(final Player player) {
TinyProtocolHandler.inject(player);
}
/**
* Version independant player injection
*
* @param player
*/
public static void uninjectPlayer(final Player player) {
TinyProtocolHandler.uninject(player);
}
/**
* Returns whether we have injected the player
*
* @param player
* @return hasInjected
*/
public static boolean hasInjected(final Player player) {
return TinyProtocolHandler.hasInjected(player);
}
/**
* Send a wrapped sendable packet to a player
*
* @param player
* @param sendable
*/
public static void sendPacket(final Player player, final Sendable sendable) {
NMSUtils.sendSendableWrapper(player, sendable);
}
@PacketHandler
public void onLogin(final PacketLoginEvent e) {
if (e.getPacketName().equals(Packet.Login.HANDSHAKE)) {
@@ -205,6 +258,13 @@ public final class PacketEvents implements PacketListener{
}
}
@PacketHandler
public void onPacket(final PacketEvent e) {
if (e instanceof PacketReceiveEvent) {
// System.out.println("RECEIVED");
}
}
/**
* Do not check the client version in or before the PlayerInjectEvent, use the PostPlayerInjectEvent.
* It is not recommended to do much in the PlayerInjectEvent, as some fields in the Player object are be null.
@@ -219,6 +279,7 @@ public final class PacketEvents implements PacketListener{
/**
* Called after the PlayerJoinEvent ONLY if the player has been injected!
*
* @param e
*/
@PacketHandler
@@ -233,39 +294,4 @@ public final class PacketEvents implements PacketListener{
PacketEvents.getEventManager().callEvent(new PostPlayerInjectEvent(e.getPlayer()));
}
}
/**
* Version independant player injection
* @param player
*/
public static void injectPlayer(final Player player) {
TinyProtocolHandler.inject(player);
}
/**
* Version independant player injection
* @param player
*/
public static void uninjectPlayer(final Player player) {
TinyProtocolHandler.uninject(player);
}
/**
* Returns whether we have injected the player
* @param player
* @return hasInjected
*/
public static boolean hasInjected(final Player player) {
return TinyProtocolHandler.hasInjected(player);
}
/**
* Send a wrapped sendable packet to a player
*
* @param player
* @param sendable
*/
public static void sendPacket(final Player player, final Sendable sendable) {
NMSUtils.sendSendableWrapper(player, sendable);
}
}
@@ -1,9 +1,12 @@
package io.github.retrooper.packetevents.annotations;
import java.lang.annotation.*;
import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
/**
* Is for sure not null.
* Is for sure not null.
*/
@Documented
@Retention(RetentionPolicy.RUNTIME)
@@ -6,7 +6,7 @@ import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
/**
* Could be null.
* Could be null.
*/
@Documented
@Retention(RetentionPolicy.RUNTIME)
@@ -59,7 +59,7 @@ public enum ClientVersion {
default:
remainder = protocolVersion;
}
if(remainder > 578) {
if (remainder > 578) {
return HIGHER_THAN_V_1_15_2;
}
return INVALID;
@@ -78,18 +78,18 @@ public enum ClientVersion {
/**
* Returns if the client's version is more outdated than the argument passed version
*
* @param version
* @return
*/
public boolean isLowerThan(final ClientVersion version) {
if(version == this) return false;
if (version == this) return false;
byte len = (byte) values().length;
for (byte i = 0; i < len; i++) {
final ClientVersion v = values()[i];
if(v == this) {
if (v == this) {
return true;
}
else if(v == version) {
} else if (v == version) {
return false;
}
}
@@ -1,9 +1,7 @@
package io.github.retrooper.packetevents.enums;
public enum Direction {
DOWN, UP, NORTH, SOUTH, WEST, EAST
,NORTH_EAST,
DOWN, UP, NORTH, SOUTH, WEST, EAST, NORTH_EAST,
NORTH_WEST, SOUTH_EAST,
SOUTH_WEST, WEST_NORTH_WEST,
NORTH_NORTH_WEST, NORTH_NORTH_EAST,
@@ -8,9 +8,9 @@ public enum EntityAnimationType {
}
public final int getIndex() {
for(int i = 0; i < values().length; i++) {
for (int i = 0; i < values().length; i++) {
final EntityAnimationType curType = values()[0];
if(curType == this) {
if (curType == this) {
return i;
}
}
@@ -2,5 +2,5 @@ package io.github.retrooper.packetevents.enums;
public enum Hand {
MAIN_HAND,
OFF_HAND;
OFF_HAND
}
@@ -9,6 +9,8 @@ public enum ServerVersion {
ERROR;
private static final String nmsVersionSuffix = Bukkit.getServer().getClass().getPackage().getName().replace(".", ",").split(",")[3];
public static ServerVersion getVersion() {
ServerVersion[] vals = values();
ArrayUtils.reverse(vals);
@@ -21,8 +23,6 @@ public enum ServerVersion {
return ERROR;
}
private static final String nmsVersionSuffix = Bukkit.getServer().getClass().getPackage().getName().replace(".", ",").split(",")[3];
public static String getNmsSuffix() {
return nmsVersionSuffix;
}
@@ -53,14 +53,13 @@ public enum ServerVersion {
* @return
*/
public boolean isLowerThan(final ServerVersion version) {
if(version == this) return false;
if (version == this) return false;
byte len = (byte) values().length;
for (byte i = 0; i < len; i++) {
final ServerVersion v = values()[i];
if(v == this) {
if (v == this) {
return true;
}
else if(v == version) {
} else if (v == version) {
return false;
}
}
@@ -9,11 +9,12 @@ import io.github.retrooper.packetevents.enums.ServerVersion;
* recommended to avoid non thread safe bukkit operations
*/
public class PacketEvent {
protected long timestamp = PacketEvents.currentCalculatedMS();
protected static ServerVersion version = PacketEvents.getServerVersion();
protected long timestamp = PacketEvents.currentCalculatedMS();
/**
* Timestamp of the packet
*
* @return
*/
public long getTimestamp() {
@@ -1,4 +1,4 @@
package io.github.retrooper.packetevents.event;
public interface PacketListener {
public interface PacketListener {
}
@@ -6,8 +6,9 @@ public final class PacketLoginEvent extends PacketEvent {
private final Object channel;
private final String name;
private final Object packet;
public PacketLoginEvent(final Object channel, final String packetName, final Object packet) {
this.channel =channel;
this.channel = channel;
this.name = packetName;
this.packet = packet;
}
@@ -42,15 +42,6 @@ public final class PacketReceiveEvent extends PacketEvent {
return this.packet;
}
/**
* Cancel the packet
*
* @param cancelled
*/
public void setCancelled(boolean cancelled) {
this.cancelled = cancelled;
}
/**
* Returns if the packet has been cancelled
*
@@ -59,4 +50,13 @@ public final class PacketReceiveEvent extends PacketEvent {
public boolean isCancelled() {
return cancelled;
}
/**
* Cancel the packet
*
* @param cancelled
*/
public void setCancelled(boolean cancelled) {
this.cancelled = cancelled;
}
}
@@ -35,13 +35,12 @@ public final class PacketSendEvent extends PacketEvent {
return this.packet;
}
public boolean isCancelled() {
return cancelled;
}
public void setCancelled(boolean cancelled) {
this.cancelled = cancelled;
}
public boolean isCancelled() {
return cancelled;
}
}
@@ -6,6 +6,7 @@ import org.bukkit.entity.Player;
public final class PlayerInjectEvent extends PacketEvent {
private final Player player;
private boolean cancelled;
public PlayerInjectEvent(final Player player) {
this.player = player;
}
@@ -7,7 +7,7 @@ public final class PlayerUninjectEvent extends PacketEvent {
private final Player player;
public PlayerUninjectEvent(final Player player) {
this.player =player;
this.player = player;
}
public Player getPlayer() {
@@ -6,6 +6,7 @@ import io.github.retrooper.packetevents.event.PacketEvent;
public final class ServerTickEvent extends PacketEvent {
private final int tick;
private final double tps;
public ServerTickEvent(final int tick, final long timestamp) {
this.tick = tick;
this.timestamp = timestamp;
@@ -1,7 +1,7 @@
package io.github.retrooper.packetevents.event.manager;
import io.github.retrooper.packetevents.event.PacketEvent;
import io.github.retrooper.packetevents.annotations.PacketHandler;
import io.github.retrooper.packetevents.event.PacketEvent;
import io.github.retrooper.packetevents.event.PacketListener;
import java.lang.reflect.InvocationTargetException;
@@ -9,18 +9,22 @@ import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
public final class EventManager {
private HashMap<PacketListener, List<Method>> registeredMethods = new HashMap<PacketListener, List<Method>>();
private static final ExecutorService executorService = Executors.newCachedThreadPool();
private final HashMap<PacketListener, List<Method>> registeredMethods = new HashMap<PacketListener, List<Method>>();
public void callEvent(final PacketEvent e) {
for (final PacketListener listener : registeredMethods.keySet()) {
//Annotated methods
final List<Method> methods = registeredMethods.get(listener);
for (final Method method : methods) {
if (method.getParameterTypes()[0].equals(PacketEvent.class)
|| method.getParameterTypes()[0].getSimpleName().equals(e.getClass().getSimpleName())) {
final Class<?> parameterType = method.getParameterTypes()[0];
if (parameterType.equals(PacketEvent.class)
|| parameterType.isInstance(e)) {
try {
method.invoke(listener, e);
} catch (IllegalAccessException | InvocationTargetException ex) {
@@ -31,15 +35,20 @@ public final class EventManager {
}
}
public void registerListener(final PacketListener e) {
if (registeredMethods.containsKey(e)) {
return;
}
final List<Method> methods = new ArrayList<Method>();
for (final Method m : e.getClass().getMethods()) {
if (m.isAnnotationPresent(PacketHandler.class)) {
if (m.isAnnotationPresent(PacketHandler.class)
&& m.getParameterTypes().length == 1) {
methods.add(m);
}
}
registeredMethods.put(e, methods);
if (!methods.isEmpty()) {
registeredMethods.put(e, methods);
}
}
public void unregisterListener(final PacketListener e) {
@@ -50,7 +59,7 @@ public final class EventManager {
registeredMethods.clear();
}
public boolean hasRegistered(final PacketListener listener) {
public boolean isRegistered(final PacketListener listener) {
return registeredMethods.containsKey(listener);
}
}
@@ -0,0 +1,22 @@
package io.github.retrooper.packetevents.example;
import io.github.retrooper.packetevents.PacketEvents;
import org.bukkit.plugin.java.JavaPlugin;
public class MainExample extends JavaPlugin {
@Override
public void onEnable() {
PacketEvents.start(this);
PacketEvents.getServerTickTask().cancel();
//To fix bugs it is recommend to set this to TRUE
PacketEvents.setShouldKickOnRestart(true);
}
@Override
public void onDisable() {
PacketEvents.stop(); //it kicks when you call the stop() function
}
}
@@ -11,8 +11,23 @@ import org.bukkit.plugin.Plugin;
public final class TinyProtocolHandler {
private static final ServerVersion version = PacketEvents.getServerVersion();
private static final FieldAccessor<?> playerConnectionAccessor, networkManagerAccessor, nettyChannelAccessor;
private static Object tinyProtocol;
private static Class<?> networkManagerClass;
private static Class<?> channelClass;
static {
try {
networkManagerClass = NMSUtils.getNMSClass("NetworkManager");
channelClass = NMSUtils.getNettyClass("channel.Channel");
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
playerConnectionAccessor = Reflection.getField(NMSUtils.entityPlayerClass, NMSUtils.playerConnectionClass, 0);
networkManagerAccessor = Reflection.getField(NMSUtils.playerConnectionClass, networkManagerClass, 0);
nettyChannelAccessor = Reflection.getField(networkManagerClass, channelClass, 0);
}
public static void initTinyProtocol(final Plugin plugin) {
if (version.isLowerThan(ServerVersion.v_1_8)) {
@@ -62,31 +77,10 @@ public final class TinyProtocolHandler {
}
}
public static Object getPlayerChannel(final Player player) {
final Object entityPlayer = NMSUtils.getEntityPlayer(player);
final Object playerConnection = playerConnectionAccessor.get(entityPlayer);
final Object networkManager = networkManagerAccessor.get(playerConnection);
return nettyChannelAccessor.get(networkManager);
}
private static Class<?> networkManagerClass;
private static final FieldAccessor<?> playerConnectionAccessor, networkManagerAccessor, nettyChannelAccessor;
private static Class<?> channelClass;
static {
try {
networkManagerClass = NMSUtils.getNMSClass("NetworkManager");
channelClass = NMSUtils.getNettyClass("channel.Channel");
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
playerConnectionAccessor = Reflection.getField(NMSUtils.entityPlayerClass, NMSUtils.playerConnectionClass, 0);
networkManagerAccessor = Reflection.getField(NMSUtils.playerConnectionClass, networkManagerClass, 0);
nettyChannelAccessor = Reflection.getField(networkManagerClass, channelClass, 0);
}
}
@@ -1,6 +1,7 @@
package io.github.retrooper.packetevents.handler;
import io.github.retrooper.packetevents.PacketEvents;
import io.github.retrooper.packetevents.annotations.Nullable;
import io.github.retrooper.packetevents.event.impl.PacketLoginEvent;
import io.github.retrooper.packetevents.event.impl.PacketReceiveEvent;
import io.github.retrooper.packetevents.event.impl.PacketSendEvent;
@@ -10,18 +11,15 @@ import net.minecraft.util.io.netty.channel.Channel;
import org.bukkit.entity.Player;
import org.bukkit.plugin.Plugin;
import io.github.retrooper.packetevents.annotations.Nullable;
public final class TinyProtocolHandler_1_7 {
private final Plugin plugin;
@Nullable
public TinyProtocol7 tinyProtocol;
public TinyProtocolHandler_1_7(final Plugin plugin) {
this.plugin = plugin;
}
@Nullable
public TinyProtocol7 tinyProtocol;
public void initTinyProtocol() {
tinyProtocol = new TinyProtocol7(getPlugin()) {
@Override
@@ -38,8 +36,8 @@ public final class TinyProtocolHandler_1_7 {
@Override
public Object onPacketInAsync(Player sender, Channel channel, Object packet) {
final String packetName = packet.getClass().getSimpleName();
for(final String loginPacket : Packet.Login.LOGIN_PACKETS) {
if(packetName.equals(loginPacket)) {
for (final String loginPacket : Packet.Login.LOGIN_PACKETS) {
if (packetName.equals(loginPacket)) {
PacketEvents.getEventManager().callEvent(new PacketLoginEvent(channel, packetName, packet));
return packet;
}
@@ -1,6 +1,7 @@
package io.github.retrooper.packetevents.handler;
import io.github.retrooper.packetevents.PacketEvents;
import io.github.retrooper.packetevents.annotations.Nullable;
import io.github.retrooper.packetevents.enums.ServerVersion;
import io.github.retrooper.packetevents.event.impl.PacketLoginEvent;
import io.github.retrooper.packetevents.event.impl.PacketReceiveEvent;
@@ -11,21 +12,35 @@ import io.netty.channel.Channel;
import org.bukkit.entity.Player;
import org.bukkit.plugin.Plugin;
import io.github.retrooper.packetevents.annotations.Nullable;
public final class TinyProtocolHandler_1_8 {
private static final ServerVersion version = PacketEvents.getServerVersion();
private final Plugin plugin;
@Nullable
public TinyProtocol8 tinyProtocol;
public TinyProtocolHandler_1_8(final Plugin plugin) {
this.plugin = plugin;
}
@Nullable
public TinyProtocol8 tinyProtocol;
public static String getNetworkManagersFieldName() {
//1.8
if (version.equals(ServerVersion.v_1_8)) {
return "g";
}
//1.8.3->1.12
else if (version.isLowerThan(ServerVersion.v_1_13)) {
return "h";
}
//1.13->1.14
else if (version.isLowerThan(ServerVersion.v_1_15)) {
return "g";
}
//1.15
else {
return "listeningChannels";
}
}
public void initTinyProtocol() {
tinyProtocol = new TinyProtocol8(getPlugin()) {
@@ -60,25 +75,6 @@ public final class TinyProtocolHandler_1_8 {
};
}
public static String getNetworkManagersFieldName() {
//1.8
if (version.equals(ServerVersion.v_1_8)) {
return "g";
}
//1.8.3->1.12
else if (version.isLowerThan(ServerVersion.v_1_13)) {
return "h";
}
//1.13->1.14
else if (version.isLowerThan(ServerVersion.v_1_15)) {
return "g";
}
//1.15
else {
return "listeningChannels";
}
}
public Plugin getPlugin() {
return plugin;
}
@@ -0,0 +1,82 @@
package io.github.retrooper.packetevents.mojang;
import com.mojang.authlib.properties.PropertyMap;
import org.bukkit.craftbukkit.libs.org.apache.commons.lang3.StringUtils;
import org.bukkit.craftbukkit.libs.org.apache.commons.lang3.builder.ToStringBuilder;
import java.util.UUID;
public class GameProfile {
private final UUID id;
private final String name;
private final PropertyMap properties = new PropertyMap();
private boolean legacy;
public GameProfile(UUID id, String name) {
if (id == null && StringUtils.isBlank(name)) {
throw new IllegalArgumentException("Name and ID cannot both be blank");
} else {
this.id = id;
this.name = name;
}
}
public UUID getId() {
return this.id;
}
public String getName() {
return this.name;
}
public PropertyMap getProperties() {
return this.properties;
}
public boolean isComplete() {
return this.id != null && StringUtils.isNotBlank(this.getName());
}
public boolean equalsMojangGameProfile(com.mojang.authlib.GameProfile profile) {
if (profile != null) {
return profile.getId() != null && getId() != null && profile.getId() == getId()
&& profile.getName() != null && getName() != null && profile.getName().equals(getName());
}
return false;
}
public boolean equals(Object o) {
if (this == o) {
return true;
} else if (o != null && this.getClass() == o.getClass()) {
GameProfile that = (GameProfile) o;
if (this.id != null) {
if (!this.id.equals(that.id)) {
return false;
}
} else if (that.id != null) {
return false;
}
if (this.name != null) {
return this.name.equals(that.name);
} else return that.name == null;
} else {
return false;
}
}
public int hashCode() {
int result = this.id != null ? this.id.hashCode() : 0;
result = 31 * result + (this.name != null ? this.name.hashCode() : 0);
return result;
}
public String toString() {
return (new ToStringBuilder(this)).append("id", this.id).append("name", this.name).append("properties", this.properties).append("legacy", this.legacy).toString();
}
public boolean isLegacy() {
return this.legacy;
}
}
@@ -5,6 +5,58 @@ import io.github.retrooper.packetevents.utils.NMSUtils;
public abstract class Packet {
private static Class<?> packetPlayInFlying, packetPlayInPosition, packetPlayInPositionLook, packetPlayInLook;
static {
try {
packetPlayInFlying = NMSUtils.getNMSClass(Client.FLYING);
} catch (ClassNotFoundException e) {
//That is fine, they are on 1.9+ so we just initiate the rest of the variables
try {
packetPlayInPosition = NMSUtils.getNMSClass(Client.POSITION);
packetPlayInPositionLook = NMSUtils.getNMSClass(Client.POSITION_LOOK);
packetPlayInLook = NMSUtils.getNMSClass(Client.LOOK);
} catch (ClassNotFoundException e2) {
e2.printStackTrace();
}
}
}
/**
* Is this NMS packet an instanceof the "PacketPlayInFlying" packet in the 1.8 protocol?
* Supports 1.9->1.15.2 too!
*
* @param nmsPacket
* @return If the nms packet provided is an instanceof the "PacketPlayInFlying" packet in the 1.8 protocol!
*/
public static boolean isInstanceOfFlyingPacket(Object nmsPacket) {
//1.7->1.8.8
if (packetPlayInFlying != null) {
return packetPlayInFlying.isInstance(nmsPacket);
} else {
//1.9->1.15.2
return packetPlayInPosition.isInstance(nmsPacket)
|| packetPlayInPositionLook.isInstance(nmsPacket)
|| packetPlayInLook.isInstance(nmsPacket);
}
}
/**
* Use isInstanceOfFlyingPacket(nmsPacketObject) instead of this, as the flying packet is the only packet that has subclasses (in 1.8 atleast).
* Will be removed in newer versions of PacketEvents!
*
* @param fatherPacket
* @param childPacket
* @return isInstanceOf
*/
@Deprecated
public static boolean isInstanceOf(String fatherPacket, String childPacket) {
if (fatherPacket.equals(Client.FLYING) && childPacket.equals(Client.POSITION) || childPacket.equals(Client.POSITION_LOOK) || childPacket.equals(Client.LOOK)) {
return true;
}
return fatherPacket.equals(childPacket);
}
public static class Client {
private static final String c = "PacketPlayIn";
@@ -77,58 +129,10 @@ public abstract class Packet {
public static final String PING = "PacketStatusInPing";
public static final String START = "PacketStatusInStart";
public static final String SUCCESS = "PacketLoginOutSuccess";
public static final String ENCRYPTION_BEGIN_IN = "PacketLoginInEncryptionBegin";
public static final String ENCRYPTION_BEGIN_OUT = "PacketLoginOutEncryptionBegin";
public static final String[] LOGIN_PACKETS = new String[]{"PacketHandshakingInSetProtocol", "PacketLoginInStart", "PacketLoginInEncryptionBegin"};
}
/**
* Is this NMS packet an instanceof the "PacketPlayInFlying" packet in the 1.8 protocol?
* Supports 1.9->1.15.2 too!
* @param nmsPacket
* @return If the nms packet provided is an instanceof the "PacketPlayInFlying" packet in the 1.8 protocol!
*/
public static boolean isInstanceOfFlyingPacket(Object nmsPacket) {
//1.7->1.8.8
if (packetPlayInFlying != null) {
return packetPlayInFlying.isInstance(nmsPacket);
} else {
//1.9->1.15.2
return packetPlayInPosition.isInstance(nmsPacket)
|| packetPlayInPositionLook.isInstance(nmsPacket)
|| packetPlayInLook.isInstance(nmsPacket);
}
}
/**
* Use isInstanceOfFlyingPacket(nmsPacketObject) instead of this, as the flying packet is the only packet that has subclasses (in 1.8 atleast).
* Will be removed in newer versions of PacketEvents!
* @param fatherPacket
* @param childPacket
* @return isInstanceOf
*/
@Deprecated
public static boolean isInstanceOf(String fatherPacket, String childPacket) {
if (fatherPacket.equals(Client.FLYING) && childPacket.equals(Client.POSITION) || childPacket.equals(Client.POSITION_LOOK) || childPacket.equals(Client.LOOK)) {
return true;
}
return fatherPacket.equals(childPacket);
}
private static Class<?> packetPlayInFlying, packetPlayInPosition, packetPlayInPositionLook, packetPlayInLook;
static {
try {
packetPlayInFlying = NMSUtils.getNMSClass(Client.FLYING);
} catch (ClassNotFoundException e) {
//That is fine, they are on 1.9+ so we just initiate the rest of the variables
try {
packetPlayInPosition = NMSUtils.getNMSClass(Client.POSITION);
packetPlayInPositionLook = NMSUtils.getNMSClass(Client.POSITION_LOOK);
packetPlayInLook = NMSUtils.getNMSClass(Client.LOOK);
} catch (ClassNotFoundException e2) {
e2.printStackTrace();
}
}
}
}
@@ -1,5 +1,5 @@
package io.github.retrooper.packetevents.packetwrappers;
public interface Sendable {
public Object asNMSPacket();
Object asNMSPacket();
}
@@ -4,13 +4,13 @@ import io.github.retrooper.packetevents.enums.ServerVersion;
import org.bukkit.entity.Player;
public class WrappedPacket {
protected static ServerVersion version = ServerVersion.getVersion();
protected final Player player;
protected Object packet;
protected static ServerVersion version = ServerVersion.getVersion();
public WrappedPacket(final Object packet) {
this.player = null;
if(packet == null)return;
if (packet == null) return;
this.packet = packet;
try {
setup();
@@ -21,7 +21,7 @@ public class WrappedPacket {
public WrappedPacket(final Player player, final Object packet) {
this.player = player;
if(packet == null)return;
if (packet == null) return;
this.packet = packet;
try {
setup();
@@ -30,7 +30,7 @@ public class WrappedPacket {
}
}
protected void setup() {
protected void setup() {
}
@@ -6,6 +6,36 @@ import io.github.retrooper.packetevents.utils.NMSUtils;
import java.lang.reflect.Field;
public final class WrappedPacketInAbilities extends WrappedPacket {
private static Class<?> abilitiesClass;
private static final Field[] fields = new Field[6];
static {
try {
abilitiesClass = NMSUtils.getNMSClass("PacketPlayInAbilities");
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
try {
fields[0] = abilitiesClass.getDeclaredField("a");
fields[1] = abilitiesClass.getDeclaredField("b");
fields[2] = abilitiesClass.getDeclaredField("c");
fields[3] = abilitiesClass.getDeclaredField("d");
fields[4] = abilitiesClass.getDeclaredField("e");
fields[5] = abilitiesClass.getDeclaredField("f");
} catch (NoSuchFieldException e) {
e.printStackTrace();
}
for (Field f : fields) {
if (f != null) {
f.setAccessible(true);
}
}
}
private boolean isVulnerable;
private boolean isFlying;
private boolean allowFly;
@@ -54,35 +84,4 @@ public final class WrappedPacketInAbilities extends WrappedPacket {
public float getWalkSpeed() {
return walkSpeed;
}
private static Class<?> abilitiesClass;
private static Field[] fields = new Field[6];
static {
try {
abilitiesClass = NMSUtils.getNMSClass("PacketPlayInAbilities");
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
try {
fields[0] = abilitiesClass.getDeclaredField("a");
fields[1] = abilitiesClass.getDeclaredField("b");
fields[2] = abilitiesClass.getDeclaredField("c");
fields[3] = abilitiesClass.getDeclaredField("d");
fields[4] = abilitiesClass.getDeclaredField("e");
fields[5] = abilitiesClass.getDeclaredField("f");
} catch (NoSuchFieldException e) {
e.printStackTrace();
}
for (Field f : fields) {
if (f != null) {
f.setAccessible(true);
}
}
}
}
@@ -11,79 +11,14 @@ import io.github.retrooper.packetevents.utils.vector.Vector3i;
import java.lang.reflect.Field;
public final class WrappedPacketInBlockDig extends WrappedPacket {
private Vector3i blockPosition;
private Direction direction;
private PlayerDigType digType;
public WrappedPacketInBlockDig(Object packet) {
super(packet);
}
@Override
protected void setup() {
Direction enumDirection = null;
PlayerDigType enumDigType = null;
//1.7.10
try {
if (version == ServerVersion.v_1_7_10) {
final int x = fields[0].getInt(packet);
final int y = fields[1].getInt(packet);
final int z = fields[2].getInt(packet);
this.blockPosition = new Vector3i(x, y, z);
enumDirection = Direction.get((byte) face.getInt(packet));
enumDigType = PlayerDigType.get((byte) e.getInt(packet));
} else {
//1.8+
final Object blockPosObj = fields[0].get(packet);
final Object enumDirectionObj = fields[1].get(packet);
final Object digTypeObj = fields[2].get(packet);
final int x = blockPosXYZ[0].get(blockPosObj);
final int y = blockPosXYZ[1].get(blockPosObj);
final int z = blockPosXYZ[2].get(blockPosObj);
this.blockPosition = new Vector3i(x, y, z);
enumDirection = Direction.valueOf(((Enum) enumDirectionObj).name());
enumDigType = PlayerDigType.valueOf(((Enum) digTypeObj).name());
}
}
catch(IllegalAccessException e) {
e.printStackTrace();
}
this.direction = enumDirection;
this.digType = enumDigType;
}
public Vector3i getBlockPosition() {
return blockPosition;
}
public Direction getDirection() {
return direction;
}
public PlayerDigType getDigType() {
return digType;
}
//ALL
private static Class<?> blockDigClass;
//1.8
private static Field[] fields = new Field[3];
private static final Field[] fields = new Field[3];
private static Class<?> blockPositionClass;
private static Reflection.FieldAccessor<Integer>[] blockPosXYZ = new Reflection.FieldAccessor[3];
private static final Reflection.FieldAccessor<Integer>[] blockPosXYZ = new Reflection.FieldAccessor[3];
//1.7
private static Field face;
private static Field e;
static {
@@ -118,20 +53,77 @@ public final class WrappedPacketInBlockDig extends WrappedPacket {
e.printStackTrace();
}
for(Field f : fields) {
if(f != null) {
for (Field f : fields) {
if (f != null) {
f.setAccessible(true);
}
}
if(e != null) {
if (e != null) {
e.setAccessible(true);
}
if(face != null) {
if (face != null) {
face.setAccessible(true);
}
}
private Vector3i blockPosition;
private Direction direction;
private PlayerDigType digType;
public WrappedPacketInBlockDig(Object packet) {
super(packet);
}
@Override
protected void setup() {
Direction enumDirection = null;
PlayerDigType enumDigType = null;
//1.7.10
try {
if (version == ServerVersion.v_1_7_10) {
final int x = fields[0].getInt(packet);
final int y = fields[1].getInt(packet);
final int z = fields[2].getInt(packet);
this.blockPosition = new Vector3i(x, y, z);
enumDirection = Direction.get((byte) face.getInt(packet));
enumDigType = PlayerDigType.get((byte) e.getInt(packet));
} else {
//1.8+
final Object blockPosObj = fields[0].get(packet);
final Object enumDirectionObj = fields[1].get(packet);
final Object digTypeObj = fields[2].get(packet);
final int x = blockPosXYZ[0].get(blockPosObj);
final int y = blockPosXYZ[1].get(blockPosObj);
final int z = blockPosXYZ[2].get(blockPosObj);
this.blockPosition = new Vector3i(x, y, z);
enumDirection = Direction.valueOf(((Enum) enumDirectionObj).name());
enumDigType = PlayerDigType.valueOf(((Enum) digTypeObj).name());
}
} catch (IllegalAccessException e) {
e.printStackTrace();
}
this.direction = enumDirection;
this.digType = enumDigType;
}
public Vector3i getBlockPosition() {
return blockPosition;
}
public Direction getDirection() {
return direction;
}
public PlayerDigType getDigType() {
return digType;
}
}
@@ -9,6 +9,14 @@ import org.bukkit.inventory.ItemStack;
public final class WrappedPacketInBlockPlace extends WrappedPacket {
static {
if (version.isHigherThan(ServerVersion.v_1_8_8)) {
WrappedPacketInBlockPlace_1_9.initStatic();
} else if (version.isLowerThan(ServerVersion.v_1_9) && version.isHigherThan(ServerVersion.v_1_7_10)) {
WrappedPacketInBlockPlace_1_8.initStatic();
}
}
private Vector3i blockPosition;
private ItemStack itemStack;
@@ -22,22 +30,23 @@ public final class WrappedPacketInBlockPlace extends WrappedPacket {
Vector3i position = null;
ItemStack itemStack = null;
try {
if (version.isHigherThan(ServerVersion.v_1_8_8)) {
final WrappedPacketInBlockPlace_1_9 updatedBlockPlace = new WrappedPacketInBlockPlace_1_9(getPlayer(), packet);
final Block block = updatedBlockPlace.getBlock();
position = new Vector3i(block.getX(), block.getY(), block.getZ());
itemStack = new ItemStack(block.getType());
} else {
final WrappedPacketInBlockPlace_1_8 legacyBlockPlace = new WrappedPacketInBlockPlace_1_8(packet);
position = legacyBlockPlace.getBlockPosition();
itemStack = legacyBlockPlace.getItemStack();
} }
catch(IllegalArgumentException e) {
if (version.isHigherThan(ServerVersion.v_1_8_8)) {
final WrappedPacketInBlockPlace_1_9 updatedBlockPlace = new WrappedPacketInBlockPlace_1_9(getPlayer(), packet);
final Block block = updatedBlockPlace.getBlock();
position = new Vector3i(block.getX(), block.getY(), block.getZ());
itemStack = new ItemStack(block.getType());
} else {
final WrappedPacketInBlockPlace_1_8 legacyBlockPlace = new WrappedPacketInBlockPlace_1_8(packet);
position = legacyBlockPlace.getBlockPosition();
itemStack = legacyBlockPlace.getItemStack();
}
} catch (IllegalArgumentException e) {
e.printStackTrace();
}
this.blockPosition = position;
this.itemStack = itemStack;
}
public Player getPlayer() {
return this.player;
}
@@ -50,12 +59,4 @@ public final class WrappedPacketInBlockPlace extends WrappedPacket {
return itemStack;
}
static {
if (version.isHigherThan(ServerVersion.v_1_8_8)) {
WrappedPacketInBlockPlace_1_9.initStatic();
} else if(version.isLowerThan(ServerVersion.v_1_9) && version.isHigherThan(ServerVersion.v_1_7_10)){
WrappedPacketInBlockPlace_1_8.initStatic();
}
}
}
@@ -10,6 +10,7 @@ final class WrappedPacketInBlockPlace_1_7_10 extends WrappedPacket {
private Vector3i blockPosition;
private ItemStack itemStack;
private int blockFace;
WrappedPacketInBlockPlace_1_7_10(final Player player, final Object packet) {
super(player, packet);
}
@@ -17,14 +18,14 @@ final class WrappedPacketInBlockPlace_1_7_10 extends WrappedPacket {
@Override
protected void setup() {
final PacketPlayInBlockPlace blockPlace = (PacketPlayInBlockPlace)packet;
final PacketPlayInBlockPlace blockPlace = (PacketPlayInBlockPlace) packet;
this.blockPosition = new Vector3i(blockPlace.c(), blockPlace.d(), blockPlace.e());
this.blockFace = blockPlace.d();
net.minecraft.server.v1_7_R4.ItemStack stack = blockPlace.getItemStack();
this.itemStack = org.bukkit.craftbukkit.v1_7_R4.inventory.CraftItemStack.asBukkitCopy(stack);
this.itemStack = org.bukkit.craftbukkit.v1_7_R4.inventory.CraftItemStack.asBukkitCopy(stack);
}
public Vector3i getBlockPosition() {
@@ -7,12 +7,34 @@ import io.github.retrooper.packetevents.utils.vector.Vector3i;
import org.bukkit.inventory.ItemStack;
final class WrappedPacketInBlockPlace_1_8 extends WrappedPacket {
private static final Reflection.MethodInvoker[] blockPositionXYZInvoker = new Reflection.MethodInvoker[3];
private static Class<?> blockPlaceClass, blockPositionClass;
private static Reflection.FieldAccessor<?> blockPositionAccessor, itemStackFieldAccessor;
private Vector3i blockPosition;
private ItemStack itemStack;
WrappedPacketInBlockPlace_1_8(final Object packet) {
super(packet);
}
protected static void initStatic() {
try {
blockPlaceClass = NMSUtils.getNMSClass("PacketPlayInBlockPlace");
blockPositionClass = NMSUtils.getNMSClass("BlockPosition");
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
itemStackFieldAccessor = Reflection.getField(blockPlaceClass, NMSUtils.nmsItemStackClass, 0);
blockPositionAccessor = Reflection.getField(blockPlaceClass, blockPositionClass, 1);
blockPositionXYZInvoker[0] = Reflection.getMethod(blockPositionClass.getSuperclass(), "getX");
blockPositionXYZInvoker[1] = Reflection.getMethod(blockPositionClass.getSuperclass(), "getY");
blockPositionXYZInvoker[2] = Reflection.getMethod(blockPositionClass.getSuperclass(), "getZ");
}
@Override
protected void setup() {
Object nmsBlockPos = blockPositionAccessor.get(packet);
@@ -33,27 +55,4 @@ final class WrappedPacketInBlockPlace_1_8 extends WrappedPacket {
public ItemStack getItemStack() {
return itemStack;
}
private static Class<?> blockPlaceClass, blockPositionClass;
private static Reflection.FieldAccessor<?> blockPositionAccessor, itemStackFieldAccessor;
private static final Reflection.MethodInvoker[] blockPositionXYZInvoker = new Reflection.MethodInvoker[3];
protected static void initStatic(){
try {
blockPlaceClass = NMSUtils.getNMSClass("PacketPlayInBlockPlace");
blockPositionClass = NMSUtils.getNMSClass("BlockPosition");
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
itemStackFieldAccessor = Reflection.getField(blockPlaceClass, NMSUtils.nmsItemStackClass, 0);
blockPositionAccessor = Reflection.getField(blockPlaceClass, blockPositionClass, 1);
blockPositionXYZInvoker[0] = Reflection.getMethod(blockPositionClass.getSuperclass(), "getX");
blockPositionXYZInvoker[1] = Reflection.getMethod(blockPositionClass.getSuperclass(), "getY");
blockPositionXYZInvoker[2] = Reflection.getMethod(blockPositionClass.getSuperclass(), "getZ");
}
}
@@ -10,15 +10,24 @@ import org.bukkit.entity.Player;
import java.util.HashSet;
final class WrappedPacketInBlockPlace_1_9 extends WrappedPacket {
private static Class<?> blockPlaceClass_1_9;
private Block block;
public WrappedPacketInBlockPlace_1_9(final Player player, final Object packet) {
super(player, packet);
}
protected static void initStatic() {
try {
blockPlaceClass_1_9 = NMSUtils.getNMSClass("PacketPlayInUseItem");
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
}
@Override
protected void setup() {
this.block = getPlayer().getTargetBlock((HashSet<Material>)null, 3);
this.block = getPlayer().getTargetBlock(null, 3);
}
@@ -30,14 +39,5 @@ final class WrappedPacketInBlockPlace_1_9 extends WrappedPacket {
return block;
}
private static Class<?> blockPlaceClass_1_9;
protected static void initStatic() {
try {
blockPlaceClass_1_9 = NMSUtils.getNMSClass("PacketPlayInUseItem");
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
}
}
@@ -7,28 +7,7 @@ import io.github.retrooper.packetevents.utils.NMSUtils;
import java.lang.reflect.Field;
public final class WrappedPacketInChat extends WrappedPacket {
private String message;
public WrappedPacketInChat(Object packet) {
super(packet);
}
@Override
protected void setup() {
try {
final Object obj = field.get(packet);
this.message = obj.toString();
} catch (IllegalAccessException e) {
e.printStackTrace();
}
}
public String getMessage() {
return message;
}
private static Class<?> chatPacketClass;
private static Field field;
static {
@@ -48,10 +27,30 @@ public final class WrappedPacketInChat extends WrappedPacket {
field.setAccessible(true);
}
private String message;
public WrappedPacketInChat(Object packet) {
super(packet);
}
private static String getChatFieldName() {
if (version == ServerVersion.v_1_7_10) {
return "message";
}
return "a";
}
@Override
protected void setup() {
try {
final Object obj = field.get(packet);
this.message = obj.toString();
} catch (IllegalAccessException e) {
e.printStackTrace();
}
}
public String getMessage() {
return message;
}
}
@@ -1,15 +1,49 @@
package io.github.retrooper.packetevents.packetwrappers.in.entityaction;
import io.github.retrooper.packetevents.annotations.Nullable;
import io.github.retrooper.packetevents.enums.PlayerAction;
import io.github.retrooper.packetevents.enums.ServerVersion;
import io.github.retrooper.packetevents.packetwrappers.api.WrappedPacket;
import io.github.retrooper.packetevents.utils.NMSUtils;
import org.bukkit.entity.Entity;
import io.github.retrooper.packetevents.annotations.Nullable;
import java.lang.reflect.Field;
public final class WrappedPacketInEntityAction extends WrappedPacket {
private static Class<?> entityActionClass;
@Nullable
private static Class<?> enumPlayerActionClass;
private static final Field[] fields = new Field[3];
@Nullable
private static Object[] enumPlayerActionConstants;
static {
try {
entityActionClass = NMSUtils.getNMSClass("PacketPlayInEntityAction");
if (version.isHigherThan(ServerVersion.v_1_7_10)) {
enumPlayerActionClass = NMSUtils.getNMSClass("PacketPlayInEntityAction$EnumPlayerAction");
}
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
try {
//ints in 1.7.10, EnumPlayerAction in 1.8+
fields[0] = entityActionClass.getDeclaredField("a");
fields[1] = entityActionClass.getDeclaredField("animation");
fields[2] = entityActionClass.getDeclaredField("c");
if (version.isHigherThan(ServerVersion.v_1_7_10)) {
enumPlayerActionConstants = enumPlayerActionClass.getEnumConstants();
}
} catch (NoSuchFieldException e) {
e.printStackTrace();
}
for (final Field f : fields) {
f.setAccessible(true);
}
}
private Entity entity;
private int entityId;
private PlayerAction action;
@@ -71,41 +105,4 @@ public final class WrappedPacketInEntityAction extends WrappedPacket {
public int getJumpBoost() {
return jumpBoost;
}
private static Class<?> entityActionClass;
@Nullable
private static Class<?> enumPlayerActionClass;
private static Field[] fields = new Field[3];
@Nullable
private static Object[] enumPlayerActionConstants;
static {
try {
entityActionClass = NMSUtils.getNMSClass("PacketPlayInEntityAction");
if (version.isHigherThan(ServerVersion.v_1_7_10)) {
enumPlayerActionClass = NMSUtils.getNMSClass("PacketPlayInEntityAction$EnumPlayerAction");
}
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
try {
//ints in 1.7.10, EnumPlayerAction in 1.8+
fields[0] = entityActionClass.getDeclaredField("a");
fields[1] = entityActionClass.getDeclaredField("animation");
fields[2] = entityActionClass.getDeclaredField("c");
if (version.isHigherThan(ServerVersion.v_1_7_10)) {
enumPlayerActionConstants = enumPlayerActionClass.getEnumConstants();
}
} catch (NoSuchFieldException e) {
e.printStackTrace();
}
for (final Field f : fields) {
f.setAccessible(true);
}
}
}
@@ -8,6 +8,38 @@ import io.github.retrooper.packetevents.utils.NMSUtils;
import java.lang.reflect.Field;
public class WrappedPacketInFlying extends WrappedPacket {
private static Class<?> flyingClass;
private static final Field[] fields = new Field[8]; //x, y, z, yaw pitch, onGround, isPositionPacket, isLookPacket
static {
try {
flyingClass = NMSUtils.getNMSClass("PacketPlayInFlying");
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
try {
fields[0] = flyingClass.getDeclaredField("x");
fields[1] = flyingClass.getDeclaredField("y");
fields[2] = flyingClass.getDeclaredField("z");
fields[3] = flyingClass.getDeclaredField("yaw");
fields[4] = flyingClass.getDeclaredField("pitch");
fields[5] = flyingClass.getDeclaredField(getOnGroundFieldName());
fields[6] = flyingClass.getDeclaredField("hasPos");
fields[7] = flyingClass.getDeclaredField("hasLook");
} catch (NoSuchFieldException e) {
e.printStackTrace();
}
for (Field f : fields) {
if (f != null) {
f.setAccessible(true);
}
}
}
private double x;
private double y;
private double z;
@@ -21,6 +53,13 @@ public class WrappedPacketInFlying extends WrappedPacket {
super(packet);
}
private static String getOnGroundFieldName() {
if (version == ServerVersion.v_1_7_10) {
return "g";
}
return "f";
}
@Override
protected void setup() {
try {
@@ -40,38 +79,6 @@ public class WrappedPacketInFlying extends WrappedPacket {
}
}
public static class WrappedPacketInPosition extends WrappedPacketInFlying {
public WrappedPacketInPosition(Object packet) {
super(packet);
}
@Override
public boolean isPosition() {
return true;
}
@Override
public boolean isLook() {
return false;
}
}
public static class WrappedPacketInPosition_Look extends WrappedPacketInFlying {
public WrappedPacketInPosition_Look(Object packet) {
super(packet);
}
@Override
public boolean isLook() {
return true;
}
@Override
public boolean isPosition() {
return false;
}
}
public final double getX() {
return x;
}
@@ -104,44 +111,36 @@ public class WrappedPacketInFlying extends WrappedPacket {
return isLook;
}
private static Class<?> flyingClass;
private static Field[] fields = new Field[8]; //x, y, z, yaw pitch, onGround, isPositionPacket, isLookPacket
static {
try {
flyingClass = NMSUtils.getNMSClass("PacketPlayInFlying");
} catch (ClassNotFoundException e) {
e.printStackTrace();
public static class WrappedPacketInPosition extends WrappedPacketInFlying {
public WrappedPacketInPosition(Object packet) {
super(packet);
}
try {
fields[0] = flyingClass.getDeclaredField("x");
fields[1] = flyingClass.getDeclaredField("y");
fields[2] = flyingClass.getDeclaredField("z");
fields[3] = flyingClass.getDeclaredField("yaw");
fields[4] = flyingClass.getDeclaredField("pitch");
fields[5] = flyingClass.getDeclaredField(getOnGroundFieldName());
fields[6] = flyingClass.getDeclaredField("hasPos");
fields[7] = flyingClass.getDeclaredField("hasLook");
} catch (NoSuchFieldException e) {
e.printStackTrace();
@Override
public boolean isPosition() {
return true;
}
for (Field f : fields) {
if (f != null) {
f.setAccessible(true);
}
@Override
public boolean isLook() {
return false;
}
}
private static String getOnGroundFieldName() {
if (version == ServerVersion.v_1_7_10) {
return "g";
public static class WrappedPacketInPosition_Look extends WrappedPacketInFlying {
public WrappedPacketInPosition_Look(Object packet) {
super(packet);
}
@Override
public boolean isLook() {
return true;
}
@Override
public boolean isPosition() {
return false;
}
return "f";
}
}
@@ -7,12 +7,31 @@ import io.github.retrooper.packetevents.utils.NMSUtils;
import java.lang.reflect.Field;
public final class WrappedPacketInKeepAlive extends WrappedPacket {
public WrappedPacketInKeepAlive(final Object packet) {
super(packet);
private static Class<?> keepAliveClass;
//1.7.10->1.12.2 has int field "a", rest as long field "a"
private static Field idField;
static {
try {
keepAliveClass = NMSUtils.getNMSClass("PacketPlayInKeepAlive");
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
try {
idField = keepAliveClass.getDeclaredField("a");
idField.setAccessible(true);
} catch (NoSuchFieldException e) {
e.printStackTrace();
}
}
private long id;
public WrappedPacketInKeepAlive(final Object packet) {
super(packet);
}
@Override
protected void setup() {
try {
@@ -35,24 +54,4 @@ public final class WrappedPacketInKeepAlive extends WrappedPacket {
public long getId() {
return id;
}
private static Class<?> keepAliveClass;
//1.7.10->1.12.2 has int field "a", rest as long field "a"
private static Field idField;
static {
try {
keepAliveClass = NMSUtils.getNMSClass("PacketPlayInKeepAlive");
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
try {
idField = keepAliveClass.getDeclaredField("a");
idField.setAccessible(true);
} catch (NoSuchFieldException e) {
e.printStackTrace();
}
}
}
@@ -8,46 +8,9 @@ import org.bukkit.entity.Entity;
import java.lang.reflect.Field;
public final class WrappedPacketInUseEntity extends WrappedPacket {
private int entityId;
private Entity entity;
private EntityUseAction action;
public WrappedPacketInUseEntity(final Object packet) {
super(packet);
}
@Override
protected void setup() {
try {
this.entityId = fields[0].getInt(packet);
this.entity = NMSUtils.getEntityById(this.entityId);
final Object useActionEnum = fields[1].get(packet);
this.action = EntityUseAction.valueOf(useActionEnum.toString());
} catch (IllegalAccessException e) {
e.printStackTrace();
}
}
public Entity getEntity() {
return entity;
}
public int getEntityId() {
return entityId;
}
public EntityUseAction getAction() {
return action;
}
private static Class<?> useEntityClass;
private static Class<?> entityClass;
private static Field[] fields = new Field[2];
private static final Field[] fields = new Field[2];
static {
@@ -75,4 +38,36 @@ public final class WrappedPacketInUseEntity extends WrappedPacket {
}
}
private int entityId;
private Entity entity;
private EntityUseAction action;
public WrappedPacketInUseEntity(final Object packet) {
super(packet);
}
@Override
protected void setup() {
try {
this.entityId = fields[0].getInt(packet);
this.entity = NMSUtils.getEntityById(this.entityId);
final Object useActionEnum = fields[1].get(packet);
this.action = EntityUseAction.valueOf(useActionEnum.toString());
} catch (IllegalAccessException e) {
e.printStackTrace();
}
}
public Entity getEntity() {
return entity;
}
public int getEntityId() {
return entityId;
}
public EntityUseAction getAction() {
return action;
}
}
@@ -7,6 +7,21 @@ import io.github.retrooper.packetevents.utils.NMSUtils;
public final class WrappedPacketLoginHandshake extends WrappedPacket {
private static Class<?> loginHandshakeClass;
private static final FieldAccessor<?>[] fields = new FieldAccessor[3];
static {
try {
loginHandshakeClass = NMSUtils.getNMSClass("PacketHandshakingInSetProtocol");
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
fields[0] = Reflection.getField(loginHandshakeClass, int.class, 0);
fields[1] = Reflection.getField(loginHandshakeClass, String.class, 0);
fields[2] = Reflection.getField(loginHandshakeClass, int.class, 1);
}
private int protocolVersion, port;
private String hostname;
@@ -20,9 +35,9 @@ public final class WrappedPacketLoginHandshake extends WrappedPacket {
final Object hostNameObj = fields[1].get(packet);
final Object portObj = fields[2].get(packet);
this.protocolVersion = (int)protocolVersionObj;
this.protocolVersion = (int) protocolVersionObj;
this.hostname = hostNameObj.toString();
this.port = (int)portObj;
this.port = (int) portObj;
}
public int getProtocolVersion() {
@@ -36,20 +51,4 @@ public final class WrappedPacketLoginHandshake extends WrappedPacket {
public int getPort() {
return port;
}
private static Class<?> loginHandshakeClass;
private static FieldAccessor<?>[] fields = new FieldAccessor[3];
static {
try {
loginHandshakeClass = NMSUtils.getNMSClass("PacketHandshakingInSetProtocol");
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
fields[0] = Reflection.getField(loginHandshakeClass, int.class, 0);
fields[1] = Reflection.getField(loginHandshakeClass, String.class, 0);
fields[2] = Reflection.getField(loginHandshakeClass, int.class, 1);
}
}
@@ -0,0 +1,41 @@
package io.github.retrooper.packetevents.packetwrappers.login;
import io.github.retrooper.packetevents.packetwrappers.api.WrappedPacket;
import io.github.retrooper.packetevents.tinyprotocol.Reflection;
import io.github.retrooper.packetevents.utils.NMSUtils;
public final class WrappedPacketLoginInEncryptionBegin extends WrappedPacket {
private static final Reflection.FieldAccessor<byte[]>[] fields = new Reflection.FieldAccessor[2];
private static Class<?> packetClass;
static {
try {
packetClass = NMSUtils.getNMSClass("PacketLoginInEncryptionBegin");
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
fields[0] = Reflection.getField(packetClass, byte[].class, 0);
fields[1] = Reflection.getField(packetClass, byte[].class, 1);
}
private byte[] publicKey, verifyToken;
public WrappedPacketLoginInEncryptionBegin(final Object packet) {
super(packet);
}
@Override
protected void setup() {
this.publicKey = fields[0].get(packet);
this.verifyToken = fields[1].get(packet);
}
public byte[] getPublicKey() {
return publicKey;
}
public byte[] getVerifyToken() {
return verifyToken;
}
}
@@ -0,0 +1,57 @@
package io.github.retrooper.packetevents.packetwrappers.login;
import io.github.retrooper.packetevents.packetwrappers.api.WrappedPacket;
import io.github.retrooper.packetevents.tinyprotocol.Reflection;
import io.github.retrooper.packetevents.utils.NMSUtils;
import java.security.PublicKey;
public final class WrappedPacketLoginOutEncryptionBegin extends WrappedPacket {
private static final Reflection.FieldAccessor<?>[] fields = new Reflection.FieldAccessor[3];
private static Class<?> packetClass;
static {
try {
packetClass = NMSUtils.getNMSClass("PacketLoginOutEncryptionBegin");
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
fields[0] = Reflection.getField(packetClass, String.class, 0);
fields[1] = Reflection.getField(packetClass, PublicKey.class, 1);
fields[2] = Reflection.getField(packetClass, byte[].class, 2);
}
private String encodedString;
private PublicKey encodedKey;
private byte[] byteArray;
public WrappedPacketLoginOutEncryptionBegin(final Object packet) {
super(packet);
}
@Override
protected void setup() {
//string - a (encodedstring)
//public key - b (encoded)
//byte array - c(byte array)
this.encodedString = fields[0].get(packet).toString();
this.encodedKey = (PublicKey) fields[1].get(packet);
this.byteArray = (byte[]) fields[2].get(packet);
}
public String getEncodedString() {
return encodedString;
}
public PublicKey getEncodedKey() {
return encodedKey;
}
public byte[] getByteArray() {
return byteArray;
}
}
@@ -0,0 +1,36 @@
package io.github.retrooper.packetevents.packetwrappers.login;
import io.github.retrooper.packetevents.mojang.GameProfile;
import io.github.retrooper.packetevents.packetwrappers.api.WrappedPacket;
import io.github.retrooper.packetevents.tinyprotocol.Reflection;
import io.github.retrooper.packetevents.utils.NMSUtils;
public final class WrappedPacketLoginStart extends WrappedPacket {
private static final Reflection.FieldAccessor<com.mojang.authlib.GameProfile> gameProfileAccessor;
private static Class<?> packetClass;
static {
try {
packetClass = NMSUtils.getNMSClass("PacketLoginInStart");
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
gameProfileAccessor = Reflection.getField(packetClass, com.mojang.authlib.GameProfile.class, 0);
}
private GameProfile gameProfile;
public WrappedPacketLoginStart(final Object packet) {
super(packet);
}
@Override
protected void setup() {
com.mojang.authlib.GameProfile gp = gameProfileAccessor.get(packet);
this.gameProfile = new GameProfile(gp.getId(), gp.getName());
}
public GameProfile getGameProfile() {
return gameProfile;
}
}
@@ -0,0 +1,36 @@
package io.github.retrooper.packetevents.packetwrappers.login;
import io.github.retrooper.packetevents.packetwrappers.api.WrappedPacket;
import io.github.retrooper.packetevents.tinyprotocol.Reflection;
import io.github.retrooper.packetevents.utils.NMSUtils;
public final class WrappedPacketLoginStatusPing extends WrappedPacket {
private static final Reflection.FieldAccessor<Long> numberAccessor;
private static Class<?> packetClass;
static {
try {
packetClass = NMSUtils.getNMSClass("PacketStatusInPing");
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
numberAccessor = Reflection.getField(packetClass, long.class, 0);
}
private long number;
public WrappedPacketLoginStatusPing(final Object packet) {
super(packet);
}
@Override
protected void setup() {
this.number = numberAccessor.get(packet);
}
public long getNumber() {
return number;
}
}
@@ -11,6 +11,36 @@ import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
public final class WrappedPacketOutAnimation extends WrappedPacket implements Sendable {
private static Class<?> animationClass, nmsEntityClass;
private static Constructor<?> animationConstructor;
private static final Field[] fields = new Field[2];
static {
try {
animationClass = NMSUtils.getNMSClass("PacketPlayOutAnimation");
nmsEntityClass = NMSUtils.getNMSClass("Entity");
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
try {
animationConstructor = animationClass.getConstructor(nmsEntityClass, int.class);
} catch (NoSuchMethodException e) {
e.printStackTrace();
}
try {
fields[0] = animationClass.getDeclaredField("a");
fields[1] = animationClass.getDeclaredField("b");
} catch (NoSuchFieldException e) {
e.printStackTrace();
}
for (final Field f : fields) {
f.setAccessible(true);
}
}
private Entity entity;
private int entityID;
private EntityAnimationType type;
@@ -52,7 +82,6 @@ public final class WrappedPacketOutAnimation extends WrappedPacket implements Se
return type;
}
@Override
public Object asNMSPacket() {
final Object nmsEntity = NMSUtils.getNMSEntity(this.entity);
@@ -64,35 +93,4 @@ public final class WrappedPacketOutAnimation extends WrappedPacket implements Se
}
return null;
}
private static Class<?> animationClass, nmsEntityClass;
private static Constructor<?> animationConstructor;
private static Field[] fields = new Field[2];
static {
try {
animationClass = NMSUtils.getNMSClass("PacketPlayOutAnimation");
nmsEntityClass = NMSUtils.getNMSClass("Entity");
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
try {
animationConstructor = animationClass.getConstructor(nmsEntityClass, int.class);
} catch (NoSuchMethodException e) {
e.printStackTrace();
}
try {
fields[0] = animationClass.getDeclaredField("a");
fields[1] = animationClass.getDeclaredField("b");
} catch (NoSuchFieldException e) {
e.printStackTrace();
}
for (final Field f : fields) {
f.setAccessible(true);
}
}
}
@@ -11,71 +11,9 @@ import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
public final class WrappedPacketOutChat extends WrappedPacket implements Sendable {
private String message;
public WrappedPacketOutChat(final Object packet) {
super(packet);
}
public WrappedPacketOutChat(final String message) {
super(null);
this.message = "{\"text\": \"" + message + "\"}";
}
@Override
protected void setup() {
//all fields are IChatBaseComponents, and named 'a'
try {
Object iChatBaseObj = iChatBaseField.get(packet);
Object contentString = getStringOfIChatBase.invoke(iChatBaseObj);
this.message = contentString.toString();
} catch (IllegalAccessException | InvocationTargetException e) {
e.printStackTrace();
}
}
@Override
public Object asNMSPacket() {
try {
return chatClassConstructor.newInstance(toIChatBaseComponent(this.message));
} catch (InstantiationException | InvocationTargetException | IllegalAccessException e) {
e.printStackTrace();
}
return null;
}
public static String toStringFromIChatBaseComponent(Object obj) {
try {
return getStringOfIChatBase.invoke(obj).toString();
} catch (IllegalAccessException | InvocationTargetException e) {
e.printStackTrace();
}
return null;
}
public static Object toIChatBaseComponent(String msg) {
try {
return serialize.invoke(null, msg);
} catch (IllegalAccessException | InvocationTargetException e) {
e.printStackTrace();
}
return null;
}
public String getMessage() {
return this.message;
}
private static Constructor<?> chatClassConstructor;
private static Class<?> chatClass, iChatBaseComponentClass, chatSerializerClass;
private static Field iChatBaseField;
private static Method serialize, getStringOfIChatBase;
static {
@@ -84,15 +22,14 @@ public final class WrappedPacketOutChat extends WrappedPacket implements Sendabl
iChatBaseComponentClass = NMSUtils.getNMSClass("IChatBaseComponent");
//In 1.8.3+ the ChatSerializer class is declared in the IChatBaseComponent class, so we have to handle tahat
if(version.isHigherThan(ServerVersion.v_1_8)) {
for(final Class<?> cls : iChatBaseComponentClass.getDeclaredClasses()) {
if(cls.getSimpleName().equals("ChatSerializer")) {
if (version.isHigherThan(ServerVersion.v_1_8)) {
for (final Class<?> cls : iChatBaseComponentClass.getDeclaredClasses()) {
if (cls.getSimpleName().equals("ChatSerializer")) {
chatSerializerClass = cls;
break;
}
}
}
else {
} else {
chatSerializerClass = NMSUtils.getNMSClass("ChatSerializer");
}
} catch (ClassNotFoundException e) {
@@ -121,6 +58,35 @@ public final class WrappedPacketOutChat extends WrappedPacket implements Sendabl
}
private String message;
public WrappedPacketOutChat(final Object packet) {
super(packet);
}
public WrappedPacketOutChat(final String message) {
super(null);
this.message = "{\"text\": \"" + message + "\"}";
}
public static String toStringFromIChatBaseComponent(Object obj) {
try {
return getStringOfIChatBase.invoke(obj).toString();
} catch (IllegalAccessException | InvocationTargetException e) {
e.printStackTrace();
}
return null;
}
public static Object toIChatBaseComponent(String msg) {
try {
return serialize.invoke(null, msg);
} catch (IllegalAccessException | InvocationTargetException e) {
e.printStackTrace();
}
return null;
}
private static String getTextMethodName() {
//1.7.10
if (version.isLowerThan(ServerVersion.v_1_8)) {
@@ -129,4 +95,34 @@ public final class WrappedPacketOutChat extends WrappedPacket implements Sendabl
return "getText";
}
}
@Override
protected void setup() {
//all fields are IChatBaseComponents, and named 'a'
try {
Object iChatBaseObj = iChatBaseField.get(packet);
Object contentString = getStringOfIChatBase.invoke(iChatBaseObj);
this.message = contentString.toString();
} catch (IllegalAccessException | InvocationTargetException e) {
e.printStackTrace();
}
}
@Override
public Object asNMSPacket() {
try {
return chatClassConstructor.newInstance(toIChatBaseComponent(this.message));
} catch (InstantiationException | InvocationTargetException | IllegalAccessException e) {
e.printStackTrace();
}
return null;
}
public String getMessage() {
return this.message;
}
}
@@ -11,6 +11,58 @@ import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
public final class WrappedPacketOutEntityVelocity extends WrappedPacket implements Sendable {
private static Constructor<?> velocityConstructor, vec3dConstructor;
private static Class<?> velocityClass, vec3dClass;
private static final Field[] fields = new Field[4];
/**
* Velocity Constructor parameter types:
* 1.7.10->1.13.2 use int, double, double, double style,
* 1.14+ use int, Vec3D style
*/
static {
try {
velocityClass = NMSUtils.getNMSClass("PacketPlayOutEntityVelocity");
if (version.isHigherThan(ServerVersion.v_1_13_2)) {
vec3dClass = NMSUtils.getNMSClass("Vec3D");
}
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
try {
if (version.isHigherThan(ServerVersion.v_1_13_2)) {
velocityConstructor = velocityClass.getConstructor(int.class, vec3dClass);
//vec3d constructor
vec3dConstructor = vec3dClass.getConstructor(double.class, double.class, double.class);
} else {
velocityConstructor = velocityClass.getConstructor(int.class, double.class, double.class, double.class);
}
} catch (NoSuchMethodException e) {
e.printStackTrace();
}
try {
//entity id
fields[0] = velocityClass.getDeclaredField("a");
//x
fields[1] = velocityClass.getDeclaredField("b");
//y
fields[2] = velocityClass.getDeclaredField("c");
//z
fields[3] = velocityClass.getDeclaredField("d");
} catch (NoSuchFieldException e) {
e.printStackTrace();
}
for (final Field f : fields) {
f.setAccessible(true);
}
}
private Entity entity;
private int entityId;
private double velocityX, velocityY, velocityZ;
@@ -87,59 +139,4 @@ public final class WrappedPacketOutEntityVelocity extends WrappedPacket implemen
return null;
}
private static Constructor<?> velocityConstructor, vec3dConstructor;
private static Class<?> velocityClass, vec3dClass;
private static Field[] fields = new Field[4];
/**
* Velocity Constructor parameter types:
* 1.7.10->1.13.2 use int, double, double, double style,
* 1.14+ use int, Vec3D style
*/
static {
try {
velocityClass = NMSUtils.getNMSClass("PacketPlayOutEntityVelocity");
if (version.isHigherThan(ServerVersion.v_1_13_2)) {
vec3dClass = NMSUtils.getNMSClass("Vec3D");
}
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
try {
if (version.isHigherThan(ServerVersion.v_1_13_2)) {
velocityConstructor = velocityClass.getConstructor(int.class, vec3dClass);
//vec3d constructor
vec3dConstructor = vec3dClass.getConstructor(double.class, double.class, double.class);
} else {
velocityConstructor = velocityClass.getConstructor(int.class, double.class, double.class, double.class);
}
} catch (NoSuchMethodException e) {
e.printStackTrace();
}
try {
//entity id
fields[0] = velocityClass.getDeclaredField("a");
//x
fields[1] = velocityClass.getDeclaredField("b");
//y
fields[2] = velocityClass.getDeclaredField("c");
//z
fields[3] = velocityClass.getDeclaredField("d");
} catch (NoSuchFieldException e) {
e.printStackTrace();
}
for (final Field f : fields) {
f.setAccessible(true);
}
}
}
@@ -10,6 +10,26 @@ import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
public final class WrappedPacketOutKickDisconnect extends WrappedPacket implements Sendable {
private static final Reflection.FieldAccessor<?> iChatBaseComponentAccessor;
private static Class<?> packetClass, iChatBaseComponentClass;
private static Constructor<?> kickDisconnectConstructor;
static {
try {
packetClass = NMSUtils.getNMSClass("PacketPlayOutKickDisconnect");
iChatBaseComponentClass = NMSUtils.getNMSClass("IChatBaseComponent");
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
try {
kickDisconnectConstructor = packetClass.getConstructor(iChatBaseComponentClass);
} catch (NoSuchMethodException e) {
e.printStackTrace();
}
iChatBaseComponentAccessor = Reflection.getField(packetClass, iChatBaseComponentClass, 0);
}
private String kickMessage;
public WrappedPacketOutKickDisconnect(final Object packet) {
@@ -39,26 +59,4 @@ public final class WrappedPacketOutKickDisconnect extends WrappedPacket implemen
}
return null;
}
private static Class<?> packetClass, iChatBaseComponentClass;
private static Constructor<?> kickDisconnectConstructor;
private static final Reflection.FieldAccessor<?> iChatBaseComponentAccessor;
static {
try {
packetClass = NMSUtils.getNMSClass("PacketPlayOutKickDisconnect");
iChatBaseComponentClass = NMSUtils.getNMSClass("IChatBaseComponent");
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
try {
kickDisconnectConstructor = packetClass.getConstructor(iChatBaseComponentClass);
} catch (NoSuchMethodException e) {
e.printStackTrace();
}
iChatBaseComponentAccessor = Reflection.getField(packetClass, iChatBaseComponentClass, 0);
}
}
@@ -15,72 +15,12 @@ import java.util.regex.Pattern;
* @author Kristian
*/
public final class Reflection {
/**
* An interface for invoking a specific constructor.
*/
public interface ConstructorInvoker {
/**
* Invoke a constructor for a specific class.
*
* @param arguments - the arguments to pass to the constructor.
* @return The constructed object.
*/
Object invoke(Object... arguments);
}
/**
* An interface for invoking a specific method.
*/
public interface MethodInvoker {
/**
* Invoke a method on a specific target object.
*
* @param target - the target object, or NULL for a static method.
* @param arguments - the arguments to pass to the method.
* @return The return value, or NULL if is void.
*/
Object invoke(Object target, Object... arguments);
}
/**
* An interface for retrieving the field content.
*
* @param <T> - field type.
*/
public interface FieldAccessor<T> {
/**
* Retrieve the content of a field.
*
* @param target - the target object, or NULL for a static field.
* @return The value of the field.
*/
T get(Object target);
/**
* Set the content of a field.
*
* @param target - the target object, or NULL for a static field.
* @param value - the new value of the field.
*/
void set(Object target, Object value);
/**
* Determine if the given object has this field.
*
* @param target - the object to test.
* @return TRUE if it does, FALSE otherwise.
*/
boolean hasField(Object target);
}
// Deduce the net.minecraft.server.v* package
private static String OBC_PREFIX = Bukkit.getServer().getClass().getPackage().getName();
private static String NMS_PREFIX = OBC_PREFIX.replace("org.bukkit.craftbukkit", "net.minecraft.server");
private static String VERSION = OBC_PREFIX.replace("org.bukkit.craftbukkit", "").replace(".", "");
private static final String OBC_PREFIX = Bukkit.getServer().getClass().getPackage().getName();
private static final String NMS_PREFIX = OBC_PREFIX.replace("org.bukkit.craftbukkit", "net.minecraft.server");
private static final String VERSION = OBC_PREFIX.replace("org.bukkit.craftbukkit", "").replace(".", "");
// Variable replacement
private static Pattern MATCH_VARIABLE = Pattern.compile("\\{([^\\}]+)\\}");
private static final Pattern MATCH_VARIABLE = Pattern.compile("\\{([^\\}]+)\\}");
private Reflection() {
// Seal class
}
@@ -88,8 +28,8 @@ public final class Reflection {
/**
* Retrieve a field accessor for a specific field type and name.
*
* @param target - the target type.
* @param name - the name of the field, or NULL to ignore.
* @param target - the target type.
* @param name - the name of the field, or NULL to ignore.
* @param fieldType - a compatible field type.
* @return The field accessor.
*/
@@ -101,7 +41,7 @@ public final class Reflection {
* Retrieve a field accessor for a specific field type and name.
*
* @param className - lookup name of the class, see {@link #getClass(String)}.
* @param name - the name of the field, or NULL to ignore.
* @param name - the name of the field, or NULL to ignore.
* @param fieldType - a compatible field type.
* @return The field accessor.
*/
@@ -112,9 +52,9 @@ public final class Reflection {
/**
* Retrieve a field accessor for a specific field type and name.
*
* @param target - the target type.
* @param target - the target type.
* @param fieldType - a compatible field type.
* @param index - the number of compatible fields to skip.
* @param index - the number of compatible fields to skip.
* @return The field accessor.
*/
public static <T> FieldAccessor<T> getField(Class<?> target, Class<T> fieldType, int index) {
@@ -126,7 +66,7 @@ public final class Reflection {
*
* @param className - lookup name of the class, see {@link #getClass(String)}.
* @param fieldType - a compatible field type.
* @param index - the number of compatible fields to skip.
* @param index - the number of compatible fields to skip.
* @return The field accessor.
*/
public static <T> FieldAccessor<T> getField(String className, Class<T> fieldType, int index) {
@@ -180,9 +120,9 @@ public final class Reflection {
/**
* Search for the first publicly and privately defined method of the given name and parameter count.
*
* @param className - lookup name of the class, see {@link #getClass(String)}.
* @param className - lookup name of the class, see {@link #getClass(String)}.
* @param methodName - the method name, or NULL to skip.
* @param params - the expected parameters.
* @param params - the expected parameters.
* @return An object that invokes this specific method.
* @throws IllegalStateException If we cannot find this method.
*/
@@ -193,9 +133,9 @@ public final class Reflection {
/**
* Search for the first publicly and privately defined method of the given name and parameter count.
*
* @param clazz - a class to start with.
* @param clazz - a class to start with.
* @param methodName - the method name, or NULL to skip.
* @param params - the expected parameters.
* @param params - the expected parameters.
* @return An object that invokes this specific method.
* @throws IllegalStateException If we cannot find this method.
*/
@@ -206,10 +146,10 @@ public final class Reflection {
/**
* Search for the first publicly and privately defined method of the given name and parameter count.
*
* @param clazz - a class to start with.
* @param clazz - a class to start with.
* @param methodName - the method name, or NULL to skip.
* @param returnType - the expected return type, or NULL to ignore.
* @param params - the expected parameters.
* @param params - the expected parameters.
* @return An object that invokes this specific method.
* @throws IllegalStateException If we cannot find this method.
*/
@@ -246,7 +186,7 @@ public final class Reflection {
* Search for the first publically and privately defined constructor of the given name and parameter count.
*
* @param className - lookup name of the class, see {@link #getClass(String)}.
* @param params - the expected parameters.
* @param params - the expected parameters.
* @return An object that invokes this constructor.
* @throws IllegalStateException If we cannot find this method.
*/
@@ -257,7 +197,7 @@ public final class Reflection {
/**
* Search for the first publically and privately defined constructor of the given name and parameter count.
*
* @param clazz - a class to start with.
* @param clazz - a class to start with.
* @param params - the expected parameters.
* @return An object that invokes this constructor.
* @throws IllegalStateException If we cannot find this method.
@@ -291,12 +231,12 @@ public final class Reflection {
* This is useful when looking up fields by a NMS or OBC type.
* <p>
*
* @see {@link #getClass()} for more information.
* @param lookupName - the class name with variables.
* @return The class.
* @see {@link #getClass()} for more information.
*/
public static Class<Object> getUntypedClass(String lookupName) {
@SuppressWarnings({ "rawtypes", "unchecked" })
@SuppressWarnings({"rawtypes", "unchecked"})
Class<Object> clazz = (Class) getClass(lookupName);
return clazz;
}
@@ -400,4 +340,62 @@ public final class Reflection {
matcher.appendTail(output);
return output.toString();
}
/**
* An interface for invoking a specific constructor.
*/
public interface ConstructorInvoker {
/**
* Invoke a constructor for a specific class.
*
* @param arguments - the arguments to pass to the constructor.
* @return The constructed object.
*/
Object invoke(Object... arguments);
}
/**
* An interface for invoking a specific method.
*/
public interface MethodInvoker {
/**
* Invoke a method on a specific target object.
*
* @param target - the target object, or NULL for a static method.
* @param arguments - the arguments to pass to the method.
* @return The return value, or NULL if is void.
*/
Object invoke(Object target, Object... arguments);
}
/**
* An interface for retrieving the field content.
*
* @param <T> - field type.
*/
public interface FieldAccessor<T> {
/**
* Retrieve the content of a field.
*
* @param target - the target object, or NULL for a static field.
* @return The value of the field.
*/
T get(Object target);
/**
* Set the content of a field.
*
* @param target - the target object, or NULL for a static field.
* @param value - the new value of the field.
*/
void set(Object target, Object value);
/**
* Determine if the given object has this field.
*
* @param target - the object to test.
* @return TRUE if it does, FALSE otherwise.
*/
boolean hasField(Object target);
}
}
@@ -76,25 +76,20 @@ public abstract class TinyProtocol7 {
// Speedup channel/protocol lookup
private final Map<String, Channel> channelLookup = new MapMaker().weakValues().makeMap();
private Listener listener;
// Channels that have already been removed
private final Set<Channel> uninjectedChannels = Collections.newSetFromMap(new MapMaker().weakKeys().<Channel, Boolean>makeMap());
private final Set<Channel> uninjectedChannels = Collections.newSetFromMap(new MapMaker().weakKeys().makeMap());
protected volatile boolean closed;
protected Plugin plugin;
private Listener listener;
// List of network markers
private List<Object> networkManagers;
// Injected channel handlers
private List<Channel> serverChannels = Lists.newArrayList();
private final List<Channel> serverChannels = Lists.newArrayList();
private ChannelInboundHandlerAdapter serverChannelHandler;
private ChannelInitializer<Channel> beginInitProtocol;
private ChannelInitializer<Channel> endInitProtocol;
// Current handler name
private String handlerName;
protected volatile boolean closed;
protected Plugin plugin;
private final String handlerName;
/**
* Construct a new instance of TinyProtocol, and start intercepting packets for all connected clients and future clients.
@@ -348,6 +343,7 @@ public abstract class TinyProtocol7 {
/**
* Changed from "tiny-" to "packetevents"
*
* @return handlerName
*/
protected String getHandlerName() {
@@ -74,25 +74,20 @@ public abstract class TinyProtocol8 {
// Speedup channel/protocol lookup
private final Map<String, Channel> channelLookup = new MapMaker().weakValues().makeMap();
private Listener listener;
// Channels that have already been removed
private final Set<Channel> uninjectedChannels = Collections.newSetFromMap(new MapMaker().weakKeys().<Channel, Boolean>makeMap());
// List of network markers
private List<Object> networkManagers;
private final Set<Channel> uninjectedChannels = Collections.newSetFromMap(new MapMaker().weakKeys().makeMap());
// Injected channel handlers
private final List<Channel> serverChannels = Lists.newArrayList();
protected volatile boolean closed;
protected Plugin plugin;
private Listener listener;
// List of network markers
private List<Object> networkManagers;
private ChannelInboundHandlerAdapter serverChannelHandler;
private ChannelInitializer<Channel> beginInitProtocol;
private ChannelInitializer<Channel> endInitProtocol;
// Current handler name
private String handlerName;
protected volatile boolean closed;
protected Plugin plugin;
private final String handlerName;
/**
* Construct a new instance of TinyProtocol, and start intercepting packets for all connected clients and future clients.
@@ -1,5 +1,6 @@
package io.github.retrooper.packetevents.utils;
import io.github.retrooper.packetevents.annotations.Nullable;
import io.github.retrooper.packetevents.enums.ServerVersion;
import io.github.retrooper.packetevents.packetwrappers.Sendable;
import io.github.retrooper.packetevents.utils.nms_entityfinder.EntityFinderUtils;
@@ -8,7 +9,6 @@ import org.bukkit.entity.Entity;
import org.bukkit.entity.Player;
import org.bukkit.inventory.ItemStack;
import io.github.retrooper.packetevents.annotations.Nullable;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
@@ -13,58 +13,12 @@ import java.lang.reflect.Method;
public final class EntityFinderUtils {
@Nullable
private static ServerVersion version = PacketEvents.getServerVersion();
public static Entity getEntityById(final int id) {
for (final World world : Bukkit.getWorlds()) {
final Entity entity = getEntityByIdWithWorld(world, id);
if (entity != null) {
return entity;
}
}
return null;
}
@Nullable
public static Entity getEntityByIdWithWorld(final World world, final int id) {
if(world == null) {
return null;
}
Object craftWorld = craftWorldClass.cast(world);
Object worldServer = null;
try {
worldServer = craftWorldGetHandle.invoke(craftWorld);
} catch (IllegalAccessException | InvocationTargetException e) {
e.printStackTrace();
}
Object nmsEntity = null;
try {
nmsEntity = getEntityByIdMethod.invoke(worldServer, id);
} catch (IllegalAccessException | InvocationTargetException e) {
e.printStackTrace();
}
if(nmsEntity == null) {
return null;
}
try {
return (Entity) getBukkitEntity.invoke(nmsEntity);
} catch (IllegalAccessException | InvocationTargetException e) {
e.printStackTrace();
}
return null;
}
private static final ServerVersion version = PacketEvents.getServerVersion();
private static Class<?> worldServerClass;
private static Class<?> craftWorldClass;
private static Class<?> entityClass;
private static Method getEntityByIdMethod;
private static Method craftWorldGetHandle;
private static Method getBukkitEntity;
static {
@@ -85,6 +39,47 @@ public final class EntityFinderUtils {
}
}
public static Entity getEntityById(final int id) {
for (final World world : Bukkit.getWorlds()) {
final Entity entity = getEntityByIdWithWorld(world, id);
if (entity != null) {
return entity;
}
}
return null;
}
@Nullable
public static Entity getEntityByIdWithWorld(final World world, final int id) {
if (world == null) {
return null;
}
Object craftWorld = craftWorldClass.cast(world);
Object worldServer = null;
try {
worldServer = craftWorldGetHandle.invoke(craftWorld);
} catch (IllegalAccessException | InvocationTargetException e) {
e.printStackTrace();
}
Object nmsEntity = null;
try {
nmsEntity = getEntityByIdMethod.invoke(worldServer, id);
} catch (IllegalAccessException | InvocationTargetException e) {
e.printStackTrace();
}
if (nmsEntity == null) {
return null;
}
try {
return (Entity) getBukkitEntity.invoke(nmsEntity);
} catch (IllegalAccessException | InvocationTargetException e) {
e.printStackTrace();
}
return null;
}
public static String getEntityByNameMethodName() {
if (version.isHigherThan(ServerVersion.v_1_7_10) && version.isLowerThan(ServerVersion.v_1_9)) {
return "a";