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#3559: Fix serialisation of certain scoreboard packets < 1.13

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md_5 2023-11-06 20:14:57 +11:00
parent 65d8edf62d
commit bd009ca52d
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GPG Key ID: E8E901AC7C617C11
6 changed files with 81 additions and 19 deletions
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16
protocol/src/main/java/net/md_5/bungee/protocol/DefinedPacket.java
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@ -73,6 +73,11 @@ public abstract class DefinedPacket
return s;
}
public static Either<String, BaseComponent> readEitherBaseComponent(ByteBuf buf, int protocolVersion, boolean string)
{
return ( string ) ? Either.left( readString( buf ) ) : Either.right( readBaseComponent( buf, protocolVersion ) );
}
public static BaseComponent readBaseComponent(ByteBuf buf, int protocolVersion)
{
if ( protocolVersion >= ProtocolConstants.MINECRAFT_1_20_3 )
@ -89,6 +94,17 @@ public abstract class DefinedPacket
}
}
public static void writeEitherBaseComponent(Either<String, BaseComponent> message, ByteBuf buf, int protocolVersion)
{
if ( message.isLeft() )
{
writeString( message.getLeft(), buf );
} else
{
writeBaseComponent( message.getRight(), buf, protocolVersion );
}
}
public static void writeBaseComponent(BaseComponent message, ByteBuf buf, int protocolVersion)
{
if ( protocolVersion >= ProtocolConstants.MINECRAFT_1_20_3 )

34
protocol/src/main/java/net/md_5/bungee/protocol/Either.java Normal file
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@ -0,0 +1,34 @@
package net.md_5.bungee.protocol;
import lombok.AccessLevel;
import lombok.AllArgsConstructor;
import lombok.Data;
@Data
@AllArgsConstructor(access = AccessLevel.PRIVATE)
public final class Either<L, R>
{
private final L left;
private final R right;
public boolean isLeft()
{
return this.left != null;
}
public boolean isRight()
{
return this.right != null;
}
public static <L, R> Either<L, R> left(L left)
{
return new Either<>( left, null );
}
public static <L, R> Either<L, R> right(R right)
{
return new Either<>( null, right );
}
}

8
protocol/src/main/java/net/md_5/bungee/protocol/packet/ScoreboardObjective.java
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@ -9,6 +9,7 @@ import lombok.NoArgsConstructor;
import net.md_5.bungee.api.chat.BaseComponent;
import net.md_5.bungee.protocol.AbstractPacketHandler;
import net.md_5.bungee.protocol.DefinedPacket;
import net.md_5.bungee.protocol.Either;
import net.md_5.bungee.protocol.ProtocolConstants;
@Data
@ -19,7 +20,7 @@ public class ScoreboardObjective extends DefinedPacket
{
private String name;
private BaseComponent value;
private Either<String, BaseComponent> value;
private HealthDisplay type;
/**
* 0 to create, 1 to remove, 2 to update display text.
@ -33,12 +34,13 @@ public class ScoreboardObjective extends DefinedPacket
action = buf.readByte();
if ( action == 0 || action == 2 )
{
value = readBaseComponent( buf, protocolVersion );
if ( protocolVersion >= ProtocolConstants.MINECRAFT_1_13 )
{
value = readEitherBaseComponent( buf, protocolVersion, false );
type = HealthDisplay.values()[readVarInt( buf )];
} else
{
value = readEitherBaseComponent( buf, protocolVersion, true );
type = HealthDisplay.fromString( readString( buf ) );
}
}
@ -51,7 +53,7 @@ public class ScoreboardObjective extends DefinedPacket
buf.writeByte( action );
if ( action == 0 || action == 2 )
{
writeBaseComponent( value, buf, protocolVersion );
writeEitherBaseComponent( value, buf, protocolVersion );
if ( protocolVersion >= ProtocolConstants.MINECRAFT_1_13 )
{
writeVarInt( type.ordinal(), buf );

30
protocol/src/main/java/net/md_5/bungee/protocol/packet/Team.java
View File

@ -8,6 +8,7 @@ import lombok.NoArgsConstructor;
import net.md_5.bungee.api.chat.BaseComponent;
import net.md_5.bungee.protocol.AbstractPacketHandler;
import net.md_5.bungee.protocol.DefinedPacket;
import net.md_5.bungee.protocol.Either;
import net.md_5.bungee.protocol.ProtocolConstants;
@Data
@ -22,9 +23,9 @@ public class Team extends DefinedPacket
* 0 - create, 1 remove, 2 info update, 3 player add, 4 player remove.
*/
private byte mode;
private BaseComponent displayName;
private BaseComponent prefix;
private BaseComponent suffix;
private Either<String, BaseComponent> displayName;
private Either<String, BaseComponent> prefix;
private Either<String, BaseComponent> suffix;
private String nameTagVisibility;
private String collisionRule;
private int color;
@ -49,11 +50,14 @@ public class Team extends DefinedPacket
mode = buf.readByte();
if ( mode == 0 || mode == 2 )
{
displayName = readBaseComponent( buf, protocolVersion );
if ( protocolVersion < ProtocolConstants.MINECRAFT_1_13 )
{
prefix = readBaseComponent( buf, protocolVersion );
suffix = readBaseComponent( buf, protocolVersion );
displayName = readEitherBaseComponent( buf, protocolVersion, true );
prefix = readEitherBaseComponent( buf, protocolVersion, true );
suffix = readEitherBaseComponent( buf, protocolVersion, true );
} else
{
displayName = readEitherBaseComponent( buf, protocolVersion, false );
}
friendlyFire = buf.readByte();
nameTagVisibility = readString( buf );
@ -64,8 +68,8 @@ public class Team extends DefinedPacket
color = ( protocolVersion >= ProtocolConstants.MINECRAFT_1_13 ) ? readVarInt( buf ) : buf.readByte();
if ( protocolVersion >= ProtocolConstants.MINECRAFT_1_13 )
{
prefix = readBaseComponent( buf, protocolVersion );
suffix = readBaseComponent( buf, protocolVersion );
prefix = readEitherBaseComponent( buf, protocolVersion, false );
suffix = readEitherBaseComponent( buf, protocolVersion, false );
}
}
if ( mode == 0 || mode == 3 || mode == 4 )
@ -86,11 +90,11 @@ public class Team extends DefinedPacket
buf.writeByte( mode );
if ( mode == 0 || mode == 2 )
{
writeBaseComponent( displayName, buf, protocolVersion );
writeEitherBaseComponent( displayName, buf, protocolVersion );
if ( protocolVersion < ProtocolConstants.MINECRAFT_1_13 )
{
writeBaseComponent( prefix, buf, protocolVersion );
writeBaseComponent( suffix, buf, protocolVersion );
writeEitherBaseComponent( prefix, buf, protocolVersion );
writeEitherBaseComponent( suffix, buf, protocolVersion );
}
buf.writeByte( friendlyFire );
writeString( nameTagVisibility, buf );
@ -102,8 +106,8 @@ public class Team extends DefinedPacket
if ( protocolVersion >= ProtocolConstants.MINECRAFT_1_13 )
{
writeVarInt( color, buf );
writeBaseComponent( prefix, buf, protocolVersion );
writeBaseComponent( suffix, buf, protocolVersion );
writeEitherBaseComponent( prefix, buf, protocolVersion );
writeEitherBaseComponent( suffix, buf, protocolVersion );
} else
{
buf.writeByte( color );

8
proxy/src/main/java/net/md_5/bungee/ServerConnector.java
View File

@ -35,6 +35,7 @@ import net.md_5.bungee.netty.ChannelWrapper;
import net.md_5.bungee.netty.HandlerBoss;
import net.md_5.bungee.netty.PacketHandler;
import net.md_5.bungee.protocol.DefinedPacket;
import net.md_5.bungee.protocol.Either;
import net.md_5.bungee.protocol.PacketWrapper;
import net.md_5.bungee.protocol.Protocol;
import net.md_5.bungee.protocol.ProtocolConstants;
@ -279,7 +280,12 @@ public class ServerConnector extends PacketHandler
Scoreboard serverScoreboard = user.getServerSentScoreboard();
for ( Objective objective : serverScoreboard.getObjectives() )
{
user.unsafe().sendPacket( new ScoreboardObjective( objective.getName(), ComponentSerializer.deserialize( objective.getValue() ), ScoreboardObjective.HealthDisplay.fromString( objective.getType() ), (byte) 1 ) );
user.unsafe().sendPacket( new ScoreboardObjective(
objective.getName(),
( user.getPendingConnection().getVersion() >= ProtocolConstants.MINECRAFT_1_13 ) ? Either.right( ComponentSerializer.deserialize( objective.getValue() ) ) : Either.left( objective.getValue() ),
ScoreboardObjective.HealthDisplay.fromString( objective.getType() ),
(byte) 1 )
);
}
for ( Score score : serverScoreboard.getScores() )
{

4
proxy/src/main/java/net/md_5/bungee/connection/DownstreamBridge.java
View File

@ -183,7 +183,7 @@ public class DownstreamBridge extends PacketHandler
switch ( objective.getAction() )
{
case 0:
serverScoreboard.addObjective( new Objective( objective.getName(), ComponentSerializer.toString( objective.getValue() ), objective.getType().toString() ) );
serverScoreboard.addObjective( new Objective( objective.getName(), ( objective.getValue().isLeft() ) ? objective.getValue().getLeft() : ComponentSerializer.toString( objective.getValue().getRight() ), objective.getType().toString() ) );
break;
case 1:
serverScoreboard.removeObjective( objective.getName() );
@ -192,7 +192,7 @@ public class DownstreamBridge extends PacketHandler
Objective oldObjective = serverScoreboard.getObjective( objective.getName() );
if ( oldObjective != null )
{
oldObjective.setValue( ComponentSerializer.toString( objective.getValue() ) );
oldObjective.setValue( ( objective.getValue().isLeft() ) ? objective.getValue().getLeft() : ComponentSerializer.toString( objective.getValue().getRight() ) );
oldObjective.setType( objective.getType().toString() );
}
break;