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Support Minecraft 1.9.4 and tidy up packet handling

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This commit is contained in:
Thinkofname 2016-05-10 21:48:01 +10:00 committed by md_5
parent 4c7c64c9b8
commit a12ac37cc3
6 changed files with 402 additions and 113 deletions
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317
protocol/src/main/java/net/md_5/bungee/protocol/Protocol.java
View File

@ -1,10 +1,8 @@
package net.md_5.bungee.protocol;
import com.google.common.base.Preconditions;
import gnu.trove.map.TIntIntMap;
import gnu.trove.map.TIntObjectMap;
import gnu.trove.map.TObjectIntMap;
import gnu.trove.map.hash.TIntIntHashMap;
import gnu.trove.map.hash.TIntObjectHashMap;
import gnu.trove.map.hash.TObjectIntHashMap;
import java.lang.reflect.Constructor;
@ -47,7 +45,10 @@ public enum Protocol
{
{
TO_SERVER.registerPacket( 0x00, Handshake.class );
TO_SERVER.registerPacket(
Handshake.class,
map( ProtocolConstants.MINECRAFT_1_8, 0x00 )
);
}
},
// 0
@ -55,27 +56,106 @@ public enum Protocol
{
{
TO_CLIENT.registerPacket( 0x00, 0x1F, KeepAlive.class );
TO_CLIENT.registerPacket( 0x01, 0x23, Login.class );
TO_CLIENT.registerPacket( 0x02, 0x0F, Chat.class );
TO_CLIENT.registerPacket( 0x07, 0x33, Respawn.class );
TO_CLIENT.registerPacket( 0x0C, 0x0C, BossBar.class, true );
TO_CLIENT.registerPacket( 0x38, 0x2D, PlayerListItem.class ); // PlayerInfo
TO_CLIENT.registerPacket( 0x3A, 0x0E, TabCompleteResponse.class );
TO_CLIENT.registerPacket( 0x3B, 0x3F, ScoreboardObjective.class );
TO_CLIENT.registerPacket( 0x3C, 0x42, ScoreboardScore.class );
TO_CLIENT.registerPacket( 0x3D, 0x38, ScoreboardDisplay.class );
TO_CLIENT.registerPacket( 0x3E, 0x41, Team.class );
TO_CLIENT.registerPacket( 0x3F, 0x18, PluginMessage.class );
TO_CLIENT.registerPacket( 0x40, 0x1A, Kick.class );
TO_CLIENT.registerPacket( 0x45, 0x45, Title.class );
TO_CLIENT.registerPacket( 0x47, 0x48, PlayerListHeaderFooter.class );
TO_CLIENT.registerPacket(
KeepAlive.class,
map( ProtocolConstants.MINECRAFT_1_8, 0x00 ),
map( ProtocolConstants.MINECRAFT_1_9, 0x1F )
);
TO_CLIENT.registerPacket(
Login.class,
map( ProtocolConstants.MINECRAFT_1_8, 0x01 ),
map( ProtocolConstants.MINECRAFT_1_9, 0x23 )
);
TO_CLIENT.registerPacket(
Chat.class,
map( ProtocolConstants.MINECRAFT_1_8, 0x02 ),
map( ProtocolConstants.MINECRAFT_1_9, 0x0F )
);
TO_CLIENT.registerPacket(
Respawn.class,
map( ProtocolConstants.MINECRAFT_1_8, 0x07 ),
map( ProtocolConstants.MINECRAFT_1_9, 0x33 )
);
TO_CLIENT.registerPacket(
BossBar.class,
map( ProtocolConstants.MINECRAFT_1_9, 0x0C )
);
TO_CLIENT.registerPacket(
PlayerListItem.class, // PlayerInfo
map( ProtocolConstants.MINECRAFT_1_8, 0x38 ),
map( ProtocolConstants.MINECRAFT_1_9, 0x2D )
);
TO_CLIENT.registerPacket(
TabCompleteResponse.class,
map( ProtocolConstants.MINECRAFT_1_8, 0x3A ),
map( ProtocolConstants.MINECRAFT_1_9, 0x0E )
);
TO_CLIENT.registerPacket(
ScoreboardObjective.class,
map( ProtocolConstants.MINECRAFT_1_8, 0x3B ),
map( ProtocolConstants.MINECRAFT_1_9, 0x3F )
);
TO_CLIENT.registerPacket(
ScoreboardScore.class,
map( ProtocolConstants.MINECRAFT_1_8, 0x3C ),
map( ProtocolConstants.MINECRAFT_1_9, 0x42 )
);
TO_CLIENT.registerPacket(
ScoreboardDisplay.class,
map( ProtocolConstants.MINECRAFT_1_8, 0x3D ),
map( ProtocolConstants.MINECRAFT_1_9, 0x38 )
);
TO_CLIENT.registerPacket(
Team.class,
map( ProtocolConstants.MINECRAFT_1_8, 0x3E ),
map( ProtocolConstants.MINECRAFT_1_9, 0x41 )
);
TO_CLIENT.registerPacket(
PluginMessage.class,
map( ProtocolConstants.MINECRAFT_1_8, 0x3F ),
map( ProtocolConstants.MINECRAFT_1_9, 0x18 )
);
TO_CLIENT.registerPacket(
Kick.class,
map( ProtocolConstants.MINECRAFT_1_8, 0x40 ),
map( ProtocolConstants.MINECRAFT_1_9, 0x1A )
);
TO_CLIENT.registerPacket(
Title.class,
map( ProtocolConstants.MINECRAFT_1_8, 0x45 )
);
TO_CLIENT.registerPacket(
PlayerListHeaderFooter.class,
map( ProtocolConstants.MINECRAFT_1_8, 0x47 ),
map( ProtocolConstants.MINECRAFT_1_9, 0x48 ),
map(ProtocolConstants.MINECRAFT_1_9_4, 0x47 )
);
TO_SERVER.registerPacket( 0x00, 0x0B, KeepAlive.class );
TO_SERVER.registerPacket( 0x01, 0x02, Chat.class );
TO_SERVER.registerPacket( 0x14, 0x01, TabCompleteRequest.class );
TO_SERVER.registerPacket( 0x15, 0x04, ClientSettings.class );
TO_SERVER.registerPacket( 0x17, 0x09, PluginMessage.class );
TO_SERVER.registerPacket(
KeepAlive.class,
map( ProtocolConstants.MINECRAFT_1_8, 0x00 ),
map( ProtocolConstants.MINECRAFT_1_9, 0x0B )
);
TO_SERVER.registerPacket(
Chat.class,
map( ProtocolConstants.MINECRAFT_1_8, 0x01 ),
map( ProtocolConstants.MINECRAFT_1_9, 0x02 )
);
TO_SERVER.registerPacket(
TabCompleteRequest.class,
map( ProtocolConstants.MINECRAFT_1_8, 0x14 ),
map( ProtocolConstants.MINECRAFT_1_9, 0x01 )
);
TO_SERVER.registerPacket(
ClientSettings.class,
map( ProtocolConstants.MINECRAFT_1_8, 0x15 ),
map( ProtocolConstants.MINECRAFT_1_9, 0x04 )
);
TO_SERVER.registerPacket(
PluginMessage.class,
map( ProtocolConstants.MINECRAFT_1_8, 0x17 ),
map( ProtocolConstants.MINECRAFT_1_9, 0x09 )
);
}
},
// 1
@ -83,11 +163,23 @@ public enum Protocol
{
{
TO_CLIENT.registerPacket( 0x00, StatusResponse.class );
TO_CLIENT.registerPacket( 0x01, PingPacket.class );
TO_CLIENT.registerPacket(
StatusResponse.class,
map( ProtocolConstants.MINECRAFT_1_8, 0x00 )
);
TO_CLIENT.registerPacket(
PingPacket.class,
map( ProtocolConstants.MINECRAFT_1_8, 0x01 )
);
TO_SERVER.registerPacket( 0x00, StatusRequest.class );
TO_SERVER.registerPacket( 0x01, PingPacket.class );
TO_SERVER.registerPacket(
StatusRequest.class,
map( ProtocolConstants.MINECRAFT_1_8, 0x00 )
);
TO_SERVER.registerPacket(
PingPacket.class,
map( ProtocolConstants.MINECRAFT_1_8, 0x01 )
);
}
},
//2
@ -95,68 +187,95 @@ public enum Protocol
{
{
TO_CLIENT.registerPacket( 0x00, Kick.class );
TO_CLIENT.registerPacket( 0x01, EncryptionRequest.class );
TO_CLIENT.registerPacket( 0x02, LoginSuccess.class );
TO_CLIENT.registerPacket( 0x03, SetCompression.class );
TO_CLIENT.registerPacket(
Kick.class,
map( ProtocolConstants.MINECRAFT_1_8, 0x00 )
);
TO_CLIENT.registerPacket(
EncryptionRequest.class,
map( ProtocolConstants.MINECRAFT_1_8, 0x01 )
);
TO_CLIENT.registerPacket(
LoginSuccess.class,
map( ProtocolConstants.MINECRAFT_1_8, 0x02 )
);
TO_CLIENT.registerPacket(
SetCompression.class,
map( ProtocolConstants.MINECRAFT_1_8, 0x03 )
);
TO_SERVER.registerPacket( 0x00, LoginRequest.class );
TO_SERVER.registerPacket( 0x01, EncryptionResponse.class );
TO_SERVER.registerPacket(
LoginRequest.class,
map( ProtocolConstants.MINECRAFT_1_8, 0x00 )
);
TO_SERVER.registerPacket(
EncryptionResponse.class,
map( ProtocolConstants.MINECRAFT_1_8, 0x01 )
);
}
};
/*========================================================================*/
public static final int MAX_PACKET_ID = 0xFF;
public static List<Integer> supportedVersions = Arrays.asList(
ProtocolConstants.MINECRAFT_1_8,
ProtocolConstants.MINECRAFT_1_9,
ProtocolConstants.MINECRAFT_1_9_1,
ProtocolConstants.MINECRAFT_1_9_2
);
/*========================================================================*/
public final DirectionData TO_SERVER = new DirectionData( ProtocolConstants.Direction.TO_SERVER );
public final DirectionData TO_CLIENT = new DirectionData( ProtocolConstants.Direction.TO_CLIENT );
@RequiredArgsConstructor
public class DirectionData
private static class ProtocolData {
private final int protocolVersion;
private final TObjectIntMap<Class<? extends DefinedPacket>> packetMap = new TObjectIntHashMap<>( MAX_PACKET_ID );
private final TIntObjectMap<Constructor<? extends DefinedPacket>> packetConstructors = new TIntObjectHashMap<>( MAX_PACKET_ID );
}
@RequiredArgsConstructor
private static class ProtocolMapping {
private final int protocolVersion;
private final int packetID;
}
// Helper method
private static ProtocolMapping map(int protocol, int id) {
return new ProtocolMapping(protocol, id);
}
@RequiredArgsConstructor
public static class DirectionData
{
private final TIntObjectMap<ProtocolData> protocols = new TIntObjectHashMap<>();
{
for ( int protocol : ProtocolConstants.SUPPORTED_VERSION_IDS )
{
protocols.put( protocol, new ProtocolData( protocol ) );
}
}
private final TIntObjectMap<List<Integer>> linkedProtocols = new TIntObjectHashMap<>();
{
linkedProtocols.put( ProtocolConstants.MINECRAFT_1_8, Arrays.asList(
ProtocolConstants.MINECRAFT_1_9
));
linkedProtocols.put( ProtocolConstants.MINECRAFT_1_9, Arrays.asList(ProtocolConstants.MINECRAFT_1_9_1,
ProtocolConstants.MINECRAFT_1_9_2,
ProtocolConstants.MINECRAFT_1_9_4
));
}
@Getter
private final ProtocolConstants.Direction direction;
private final TObjectIntMap<Class<? extends DefinedPacket>> packetMap = new TObjectIntHashMap<>( MAX_PACKET_ID );
private final Class<? extends DefinedPacket>[] packetClasses = new Class[ MAX_PACKET_ID ];
private final Constructor<? extends DefinedPacket>[] packetConstructors = new Constructor[ MAX_PACKET_ID ];
private final TIntObjectMap<TIntIntMap> packetRemap = new TIntObjectHashMap<>();
private final TIntObjectMap<TIntIntMap> packetRemapInv = new TIntObjectHashMap<>();
{
packetRemap.put( ProtocolConstants.MINECRAFT_1_8, new TIntIntHashMap() );
packetRemapInv.put( ProtocolConstants.MINECRAFT_1_8, new TIntIntHashMap() );
packetRemap.put( ProtocolConstants.MINECRAFT_1_9, new TIntIntHashMap() );
packetRemapInv.put( ProtocolConstants.MINECRAFT_1_9, new TIntIntHashMap() );
packetRemap.put( ProtocolConstants.MINECRAFT_1_9_1, packetRemap.get( ProtocolConstants.MINECRAFT_1_9 ) );
packetRemapInv.put( ProtocolConstants.MINECRAFT_1_9_1, packetRemapInv.get( ProtocolConstants.MINECRAFT_1_9 ) );
packetRemap.put( ProtocolConstants.MINECRAFT_1_9_2, packetRemap.get( ProtocolConstants.MINECRAFT_1_9 ) );
packetRemapInv.put( ProtocolConstants.MINECRAFT_1_9_2, packetRemapInv.get( ProtocolConstants.MINECRAFT_1_9 ) );
}
public final DefinedPacket createPacket(int id, int protocol)
{
TIntIntMap remap = packetRemap.get( protocol );
if ( remap != null )
ProtocolData protocolData = protocols.get( protocol );
if (protocolData == null)
{
if ( !remap.containsKey( id ) )
{
return null;
}
id = remap.get( id );
throw new BadPacketException( "Unsupported protocol" );
}
if ( id > MAX_PACKET_ID )
{
throw new BadPacketException( "Packet with id " + id + " outside of range " );
}
Constructor<? extends DefinedPacket> constructor = packetConstructors[id];
Constructor<? extends DefinedPacket> constructor = protocolData.packetConstructors.get( id );
try
{
return ( constructor == null ) ? null : constructor.newInstance();
@ -166,57 +285,51 @@ public enum Protocol
}
}
protected final void registerPacket(int id, Class<? extends DefinedPacket> packetClass)
{
registerPacket( id, id, packetClass );
}
protected final void registerPacket(int id, int newId, Class<? extends DefinedPacket> packetClass)
{
registerPacket( id, newId, packetClass, false );
}
protected final void registerPacket(int id, int newId, Class<? extends DefinedPacket> packetClass, boolean newOnly)
protected final void registerPacket(Class<? extends DefinedPacket> packetClass, ProtocolMapping ...mappings)
{
try
{
packetConstructors[id] = packetClass.getDeclaredConstructor();
Constructor<? extends DefinedPacket> constructor = packetClass.getDeclaredConstructor();
for ( ProtocolMapping mapping : mappings )
{
ProtocolData data = protocols.get( mapping.protocolVersion );
data.packetMap.put( packetClass, mapping.packetID );
data.packetConstructors.put( mapping.packetID, constructor );
List<Integer> links = linkedProtocols.get( mapping.protocolVersion );
if ( links != null )
{
links: for ( int link : links )
{
// Check for manual mappings
for ( ProtocolMapping m : mappings )
{
if ( m == mapping ) continue;
if ( m.protocolVersion == link ) continue links;
List<Integer> innerLinks = linkedProtocols.get( m.protocolVersion );
if ( innerLinks != null && innerLinks.contains( link ) ) continue links;
}
registerPacket( packetClass, map( link, mapping.packetID ) );
}
}
}
} catch ( NoSuchMethodException ex )
{
throw new BadPacketException( "No NoArgsConstructor for packet class " + packetClass );
}
packetClasses[id] = packetClass;
packetMap.put( packetClass, id );
if ( !newOnly )
{
packetRemap.get( ProtocolConstants.MINECRAFT_1_8 ).put( id, id );
packetRemapInv.get( ProtocolConstants.MINECRAFT_1_8 ).put( id, id );
}
packetRemap.get( ProtocolConstants.MINECRAFT_1_9 ).put( newId, id );
packetRemapInv.get( ProtocolConstants.MINECRAFT_1_9 ).put( id, newId );
}
protected final void unregisterPacket(int id)
{
packetMap.remove( packetClasses[id] );
packetClasses[id] = null;
packetConstructors[id] = null;
}
final int getId(Class<? extends DefinedPacket> packet, int protocol)
{
Preconditions.checkArgument( packetMap.containsKey( packet ), "Cannot get ID for packet " + packet );
int id = packetMap.get( packet );
TIntIntMap remap = packetRemapInv.get( protocol );
if ( remap != null )
ProtocolData protocolData = protocols.get( protocol );
if (protocolData == null)
{
return remap.get( id );
throw new BadPacketException( "Unsupported protocol" );
}
return id;
Preconditions.checkArgument( protocolData.packetMap.containsKey( packet ), "Cannot get ID for packet " + packet );
return protocolData.packetMap.get( packet );
}
}
}

7
protocol/src/main/java/net/md_5/bungee/protocol/ProtocolConstants.java
View File

@ -10,10 +10,17 @@ public class ProtocolConstants
public static final int MINECRAFT_1_9 = 107;
public static final int MINECRAFT_1_9_1 = 108;
public static final int MINECRAFT_1_9_2 = 109;
public static final int MINECRAFT_1_9_4 = 110;
public static final List<String> SUPPORTED_VERSIONS = Arrays.asList(
"1.8.x",
"1.9.x"
);
public static final List<Integer> SUPPORTED_VERSION_IDS = Arrays.asList(ProtocolConstants.MINECRAFT_1_8,
ProtocolConstants.MINECRAFT_1_9,
ProtocolConstants.MINECRAFT_1_9_1,
ProtocolConstants.MINECRAFT_1_9_2,
ProtocolConstants.MINECRAFT_1_9_4
);
public enum Direction
{

6
proxy/src/main/java/net/md_5/bungee/BungeeCord.java
View File

@ -15,7 +15,6 @@ import net.md_5.bungee.api.chat.TranslatableComponent;
import net.md_5.bungee.chat.TextComponentSerializer;
import net.md_5.bungee.chat.TranslatableComponentSerializer;
import net.md_5.bungee.module.ModuleManager;
import com.google.common.io.ByteStreams;
import net.md_5.bungee.api.chat.BaseComponent;
import net.md_5.bungee.api.chat.TextComponent;
import net.md_5.bungee.chat.ComponentSerializer;
@ -58,9 +57,7 @@ import java.util.concurrent.locks.ReentrantReadWriteLock;
import java.util.logging.Handler;
import java.util.logging.Level;
import java.util.logging.Logger;
import jline.UnsupportedTerminal;
import jline.console.ConsoleReader;
import jline.internal.Log;
import lombok.Getter;
import lombok.Setter;
import lombok.Synchronized;
@ -80,7 +77,6 @@ import net.md_5.bungee.forge.ForgeConstants;
import net.md_5.bungee.log.LoggingOutputStream;
import net.md_5.bungee.netty.PipelineUtils;
import net.md_5.bungee.protocol.DefinedPacket;
import net.md_5.bungee.protocol.Protocol;
import net.md_5.bungee.protocol.ProtocolConstants;
import net.md_5.bungee.protocol.packet.Chat;
import net.md_5.bungee.protocol.packet.PluginMessage;
@ -590,7 +586,7 @@ public class BungeeCord extends ProxyServer
@Override
public int getProtocolVersion()
{
return Protocol.supportedVersions.get( Protocol.supportedVersions.size() - 1 );
return ProtocolConstants.SUPPORTED_VERSION_IDS.get( ProtocolConstants.SUPPORTED_VERSION_IDS.size() - 1 );
}
@Override

9
proxy/src/main/java/net/md_5/bungee/connection/InitialHandler.java
View File

@ -6,12 +6,10 @@ import java.math.BigInteger;
import java.net.InetSocketAddress;
import java.net.URLEncoder;
import java.security.MessageDigest;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;
import java.util.logging.Level;
import javax.crypto.SecretKey;
import com.google.gson.Gson;
import java.util.concurrent.TimeUnit;
import lombok.Getter;
@ -20,7 +18,6 @@ import net.md_5.bungee.*;
import net.md_5.bungee.api.Callback;
import net.md_5.bungee.api.ChatColor;
import net.md_5.bungee.api.Favicon;
import net.md_5.bungee.api.ProxyServer;
import net.md_5.bungee.api.ServerPing;
import net.md_5.bungee.api.chat.BaseComponent;
import net.md_5.bungee.api.chat.TextComponent;
@ -41,6 +38,7 @@ import net.md_5.bungee.netty.cipher.CipherDecoder;
import net.md_5.bungee.netty.cipher.CipherEncoder;
import net.md_5.bungee.protocol.DefinedPacket;
import net.md_5.bungee.protocol.PacketWrapper;
import net.md_5.bungee.protocol.ProtocolConstants;
import net.md_5.bungee.protocol.packet.Handshake;
import net.md_5.bungee.protocol.packet.PluginMessage;
import net.md_5.bungee.protocol.packet.EncryptionResponse;
@ -51,7 +49,6 @@ import net.md_5.bungee.api.event.PlayerHandshakeEvent;
import net.md_5.bungee.api.event.PreLoginEvent;
import net.md_5.bungee.jni.cipher.BungeeCipher;
import net.md_5.bungee.protocol.Protocol;
import net.md_5.bungee.protocol.ProtocolConstants;
import net.md_5.bungee.protocol.packet.LegacyHandshake;
import net.md_5.bungee.protocol.packet.LegacyPing;
import net.md_5.bungee.protocol.packet.LoginRequest;
@ -235,7 +232,7 @@ public class InitialHandler extends PacketHandler implements PendingConnection
( (BungeeServerInfo) forced ).ping( pingBack, handshake.getProtocolVersion() );
} else
{
int protocol = ( Protocol.supportedVersions.contains( handshake.getProtocolVersion() ) ) ? handshake.getProtocolVersion() : bungee.getProtocolVersion();
int protocol = ( ProtocolConstants.SUPPORTED_VERSION_IDS.contains( handshake.getProtocolVersion() ) ) ? handshake.getProtocolVersion() : bungee.getProtocolVersion();
pingBack.done( new ServerPing(
new ServerPing.Protocol( bungee.getName() + " " + bungee.getGameVersion(), protocol ),
new ServerPing.Players( listener.getMaxPlayers(), bungee.getOnlineCount(), null ),
@ -312,7 +309,7 @@ public class InitialHandler extends PacketHandler implements PendingConnection
Preconditions.checkState( thisState == State.USERNAME, "Not expecting USERNAME" );
this.loginRequest = loginRequest;
if ( !Protocol.supportedVersions.contains( handshake.getProtocolVersion() ) )
if ( !ProtocolConstants.SUPPORTED_VERSION_IDS.contains( handshake.getProtocolVersion() ) )
{
disconnect( bungee.getTranslation( "outdated_server" ) );
return;

2
proxy/src/main/java/net/md_5/bungee/entitymap/EntityMap.java
View File

@ -31,6 +31,8 @@ public abstract class EntityMap
case ProtocolConstants.MINECRAFT_1_9_1:
case ProtocolConstants.MINECRAFT_1_9_2:
return EntityMap_1_9.INSTANCE;
case ProtocolConstants.MINECRAFT_1_9_4:
return EntityMap_1_9_4.INSTANCE;
}
throw new RuntimeException( "Version " + version + " has no entity map" );
}

174
proxy/src/main/java/net/md_5/bungee/entitymap/EntityMap_1_9_4.java Normal file
View File

@ -0,0 +1,174 @@
package net.md_5.bungee.entitymap;
import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
import io.netty.buffer.ByteBuf;
import net.md_5.bungee.BungeeCord;
import net.md_5.bungee.UserConnection;
import net.md_5.bungee.api.connection.ProxiedPlayer;
import net.md_5.bungee.protocol.DefinedPacket;
import net.md_5.bungee.protocol.ProtocolConstants;
import java.util.UUID;
class EntityMap_1_9_4 extends EntityMap
{
static final EntityMap_1_9_4 INSTANCE = new EntityMap_1_9_4();
EntityMap_1_9_4()
{
addRewrite( 0x00, ProtocolConstants.Direction.TO_CLIENT, true ); // Spawn Object : PacketPlayOutSpawnEntity
addRewrite( 0x01, ProtocolConstants.Direction.TO_CLIENT, true ); // Spawn Experience Orb : PacketPlayOutSpawnEntityExperienceOrb
addRewrite( 0x03, ProtocolConstants.Direction.TO_CLIENT, true ); // Spawn Mob : PacketPlayOutSpawnEntityLiving
addRewrite( 0x04, ProtocolConstants.Direction.TO_CLIENT, true ); // Spawn Painting : PacketPlayOutSpawnEntityPainting
addRewrite( 0x05, ProtocolConstants.Direction.TO_CLIENT, true ); // Spawn Player : PacketPlayOutNamedEntitySpawn
addRewrite( 0x06, ProtocolConstants.Direction.TO_CLIENT, true ); // Animation : PacketPlayOutAnimation
addRewrite( 0x08, ProtocolConstants.Direction.TO_CLIENT, true ); // Block Break Animation : PacketPlayOutBlockBreakAnimation
addRewrite( 0x1B, ProtocolConstants.Direction.TO_CLIENT, false ); // Entity Status : PacketPlayOutEntityStatus
addRewrite( 0x25, ProtocolConstants.Direction.TO_CLIENT, true ); // Entity Relative Move : PacketPlayOutRelEntityMove
addRewrite( 0x26, ProtocolConstants.Direction.TO_CLIENT, true ); // Entity Look and Relative Move : PacketPlayOutRelEntityMoveLook
addRewrite( 0x27, ProtocolConstants.Direction.TO_CLIENT, true ); // Entity Look : PacketPlayOutEntityLook
addRewrite( 0x28, ProtocolConstants.Direction.TO_CLIENT, true ); // Entity : PacketPlayOutEntity
addRewrite( 0x2F, ProtocolConstants.Direction.TO_CLIENT, true ); // Use bed : PacketPlayOutBed
addRewrite( 0x31, ProtocolConstants.Direction.TO_CLIENT, true ); // Remove Entity Effect : PacketPlayOutRemoveEntityEffect
addRewrite( 0x34, ProtocolConstants.Direction.TO_CLIENT, true ); // Entity Head Look : PacketPlayOutEntityHeadRotation
addRewrite( 0x36, ProtocolConstants.Direction.TO_CLIENT, true ); // Camera : PacketPlayOutCamera
addRewrite( 0x39, ProtocolConstants.Direction.TO_CLIENT, true ); // Entity Metadata : PacketPlayOutEntityMetadata
addRewrite( 0x3B, ProtocolConstants.Direction.TO_CLIENT, true ); // Entity Velocity : PacketPlayOutEntityVelocity
addRewrite( 0x3C, ProtocolConstants.Direction.TO_CLIENT, true ); // Entity Equipment : PacketPlayOutEntityEquipment
addRewrite( 0x40, ProtocolConstants.Direction.TO_CLIENT, true ); // Attach Entity : PacketPlayOutMount
addRewrite( 0x48, ProtocolConstants.Direction.TO_CLIENT, true ); // Collect Item : PacketPlayOutCollect
addRewrite( 0x49, ProtocolConstants.Direction.TO_CLIENT, true ); // Entity Teleport : PacketPlayOutEntityTeleport
addRewrite( 0x4A, ProtocolConstants.Direction.TO_CLIENT, true ); // Entity Properties : PacketPlayOutUpdateAttributes
addRewrite( 0x4B, ProtocolConstants.Direction.TO_CLIENT, true ); // Entity Effect : PacketPlayOutEntityEffect
addRewrite( 0x0A, ProtocolConstants.Direction.TO_SERVER, true ); // Use Entity : PacketPlayInUseEntity
addRewrite( 0x14, ProtocolConstants.Direction.TO_SERVER, true ); // Entity Action : PacketPlayInEntityAction
}
@Override
@SuppressFBWarnings("DLS_DEAD_LOCAL_STORE")
public void rewriteClientbound(ByteBuf packet, int oldId, int newId)
{
super.rewriteClientbound( packet, oldId, newId );
// Special cases
int readerIndex = packet.readerIndex();
int packetId = DefinedPacket.readVarInt( packet );
int packetIdLength = packet.readerIndex() - readerIndex;
int jumpIndex = packet.readerIndex();
switch ( packetId )
{
case 0x48 /* Collect Item : PacketPlayOutCollect */:
DefinedPacket.readVarInt( packet );
rewriteVarInt( packet, oldId, newId, packet.readerIndex() );
break;
case 0x40 /* Attach Entity : PacketPlayOutMount */:
DefinedPacket.readVarInt( packet );
jumpIndex = packet.readerIndex();
// Fall through on purpose to int array of IDs
case 0x30 /* Destroy Entities : PacketPlayOutEntityDestroy */:
int count = DefinedPacket.readVarInt( packet );
int[] ids = new int[ count ];
for ( int i = 0; i < count; i++ )
{
ids[i] = DefinedPacket.readVarInt( packet );
}
packet.readerIndex( jumpIndex );
packet.writerIndex( jumpIndex );
DefinedPacket.writeVarInt( count, packet );
for ( int id : ids )
{
if ( id == oldId )
{
id = newId;
} else if ( id == newId )
{
id = oldId;
}
DefinedPacket.writeVarInt( id, packet );
}
break;
case 0x00 /* Spawn Object : PacketPlayOutSpawnEntity */:
DefinedPacket.readVarInt( packet );
DefinedPacket.readUUID( packet );
int type = packet.readUnsignedByte();
if ( type == 60 || type == 90 || type == 91 )
{
if ( type == 60 || type == 91 )
{
oldId = oldId + 1;
newId = newId + 1;
}
packet.skipBytes( 26 ); // double, double, double, byte, byte
int position = packet.readerIndex();
int readId = packet.readInt();
if ( readId == oldId )
{
packet.setInt( position, newId );
} else if ( readId == newId )
{
packet.setInt( position, oldId );
}
}
break;
case 0x05 /* Spawn Player : PacketPlayOutNamedEntitySpawn */:
DefinedPacket.readVarInt( packet ); // Entity ID
int idLength = packet.readerIndex() - readerIndex - packetIdLength;
UUID uuid = DefinedPacket.readUUID( packet );
ProxiedPlayer player;
if ( ( player = BungeeCord.getInstance().getPlayerByOfflineUUID( uuid ) ) != null )
{
int previous = packet.writerIndex();
packet.readerIndex( readerIndex );
packet.writerIndex( readerIndex + packetIdLength + idLength );
DefinedPacket.writeUUID( player.getUniqueId(), packet );
packet.writerIndex( previous );
}
break;
case 0x2C /* Combat Event : PacketPlayOutCombatEvent */:
int event = packet.readUnsignedByte();
if ( event == 1 /* End Combat*/ )
{
DefinedPacket.readVarInt( packet );
rewriteInt( packet, oldId, newId, packet.readerIndex() );
} else if ( event == 2 /* Entity Dead */ )
{
int position = packet.readerIndex();
rewriteVarInt( packet, oldId, newId, packet.readerIndex() );
packet.readerIndex( position );
DefinedPacket.readVarInt( packet );
rewriteInt( packet, oldId, newId, packet.readerIndex() );
}
break;
}
packet.readerIndex( readerIndex );
}
@Override
public void rewriteServerbound(ByteBuf packet, int oldId, int newId)
{
super.rewriteServerbound( packet, oldId, newId );
// Special cases
int readerIndex = packet.readerIndex();
int packetId = DefinedPacket.readVarInt( packet );
int packetIdLength = packet.readerIndex() - readerIndex;
if ( packetId == 0x1B /* Spectate : PacketPlayInSpectate */ && !BungeeCord.getInstance().getConfig().isIpForward() )
{
UUID uuid = DefinedPacket.readUUID( packet );
ProxiedPlayer player;
if ( ( player = BungeeCord.getInstance().getPlayer( uuid ) ) != null )
{
int previous = packet.writerIndex();
packet.readerIndex( readerIndex );
packet.writerIndex( readerIndex + packetIdLength );
DefinedPacket.writeUUID( ( (UserConnection) player ).getPendingConnection().getOfflineId(), packet );
packet.writerIndex( previous );
}
}
packet.readerIndex( readerIndex );
}
}