PandacubeFr/BungeeCord
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Implement dual protocol version support.

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This commit is contained in:
md_5
2014-01-27 11:26:27 +11:00
parent 5c12f900b3
commit b2f517fa63
15 changed files with 114 additions and 44 deletions
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20
protocol/src/main/java/net/md_5/bungee/protocol/DefinedPacket.java
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@@ -114,9 +114,25 @@ public abstract class DefinedPacket
}
}
public abstract void read(ByteBuf buf);
public void read(ByteBuf buf)
{
throw new UnsupportedOperationException( "Packet must implement read method" );
}
public abstract void write(ByteBuf buf);
public void read(ByteBuf buf, Protocol.ProtocolDirection direction, int protocolVersion)
{
read( buf );
}
public void write(ByteBuf buf)
{
throw new UnsupportedOperationException( "Packet must implement write method" );
}
public void write(ByteBuf buf, Protocol.ProtocolDirection direction, int protocolVersion)
{
write( buf );
}
public abstract void handle(AbstractPacketHandler handler) throws Exception;

5
protocol/src/main/java/net/md_5/bungee/protocol/MinecraftDecoder.java
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@@ -1,6 +1,5 @@
package net.md_5.bungee.protocol;
import com.google.common.base.Charsets;
import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.ByteToMessageDecoder;
@@ -15,6 +14,8 @@ public class MinecraftDecoder extends ByteToMessageDecoder
@Setter
private Protocol protocol;
private boolean server;
@Setter
private int protocolVersion;
@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception
@@ -28,7 +29,7 @@ public class MinecraftDecoder extends ByteToMessageDecoder
if ( prot.hasPacket( packetId ) )
{
packet = prot.createPacket( packetId );
packet.read( in );
packet.read( in, prot, protocolVersion );
if ( in.readableBytes() != 0 )
{
throw new BadPacketException( "Did not read all bytes from packet " + packet.getClass() + " " + packetId + " Protocol " + protocol + " Direction " + prot );

4
protocol/src/main/java/net/md_5/bungee/protocol/MinecraftEncoder.java
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@@ -13,12 +13,14 @@ public class MinecraftEncoder extends MessageToByteEncoder<DefinedPacket>
@Setter
private Protocol protocol;
private boolean server;
@Setter
private int protocolVersion;
@Override
protected void encode(ChannelHandlerContext ctx, DefinedPacket msg, ByteBuf out) throws Exception
{
Protocol.ProtocolDirection prot = ( server ) ? protocol.TO_CLIENT : protocol.TO_SERVER;
DefinedPacket.writeVarInt( prot.getId( msg.getClass() ), out );
msg.write( out );
msg.write( out, prot, protocolVersion );
}
}

5
protocol/src/main/java/net/md_5/bungee/protocol/Protocol.java
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@@ -4,6 +4,8 @@ import com.google.common.base.Preconditions;
import gnu.trove.map.TObjectIntMap;
import gnu.trove.map.hash.TObjectIntHashMap;
import java.lang.reflect.Constructor;
import java.util.Arrays;
import java.util.List;
import lombok.RequiredArgsConstructor;
import net.md_5.bungee.protocol.packet.Chat;
import net.md_5.bungee.protocol.packet.ClientSettings;
@@ -95,8 +97,7 @@ public enum Protocol
};
/*========================================================================*/
public static final int MAX_PACKET_ID = 0xFF;
public static final int PROTOCOL_VERSION = 0x04;
public static final String MINECRAFT_VERSION = "1.7.2";
public static List<Integer> supportedVersions = Arrays.asList( 4, 8 );
/*========================================================================*/
public final ProtocolDirection TO_SERVER = new ProtocolDirection( "TO_SERVER" );
public final ProtocolDirection TO_CLIENT = new ProtocolDirection( "TO_CLIENT" );

23
protocol/src/main/java/net/md_5/bungee/protocol/packet/Chat.java
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@@ -7,6 +7,7 @@ import lombok.Data;
import lombok.EqualsAndHashCode;
import lombok.NoArgsConstructor;
import net.md_5.bungee.protocol.AbstractPacketHandler;
import net.md_5.bungee.protocol.Protocol;
@Data
@NoArgsConstructor
@@ -16,17 +17,31 @@ public class Chat extends DefinedPacket
{
private String message;
private byte position;
@Override
public void read(ByteBuf buf)
public Chat(String message)
{
message = readString( buf );
this( message, (byte) 0 );
}
@Override
public void write(ByteBuf buf)
public void read(ByteBuf buf, Protocol.ProtocolDirection direction, int protocolVersion)
{
message = readString( buf );
if ( direction.toString().equals( "TO_CLIENT" ) && protocolVersion >= 5 )
{
position = buf.readByte();
}
}
@Override
public void write(ByteBuf buf, Protocol.ProtocolDirection direction, int protocolVersion)
{
writeString( message, buf );
if ( direction.toString().equals( "TO_CLIENT" ) && protocolVersion >= 5 )
{
buf.writeByte( position );
}
}
@Override

21
protocol/src/main/java/net/md_5/bungee/protocol/packet/ClientSettings.java
View File

@@ -7,6 +7,7 @@ import lombok.Data;
import lombok.EqualsAndHashCode;
import lombok.NoArgsConstructor;
import net.md_5.bungee.protocol.AbstractPacketHandler;
import net.md_5.bungee.protocol.Protocol;
@Data
@NoArgsConstructor
@@ -20,28 +21,34 @@ public class ClientSettings extends DefinedPacket
private byte chatFlags;
private boolean unknown;
private byte difficulty;
private boolean showCape;
private byte showCape;
@Override
public void read(ByteBuf buf)
public void read(ByteBuf buf, Protocol.ProtocolDirection direction, int protocolVersion)
{
locale = readString( buf );
viewDistance = buf.readByte();
chatFlags = buf.readByte();
unknown = buf.readBoolean();
difficulty = buf.readByte();
showCape = buf.readBoolean();
if ( protocolVersion < 5 )
{
difficulty = buf.readByte();
}
showCape = buf.readByte();
}
@Override
public void write(ByteBuf buf)
public void write(ByteBuf buf, Protocol.ProtocolDirection direction, int protocolVersion)
{
writeString( locale, buf );
buf.writeByte( viewDistance );
buf.writeByte( chatFlags );
buf.writeBoolean( unknown );
buf.writeByte( difficulty );
buf.writeBoolean( showCape );
if ( protocolVersion < 5 )
{
buf.writeByte( difficulty );
}
buf.writeByte( showCape );
}
@Override

21
protocol/src/main/java/net/md_5/bungee/protocol/packet/ScoreboardScore.java
View File

@@ -7,6 +7,7 @@ import lombok.Data;
import lombok.EqualsAndHashCode;
import lombok.NoArgsConstructor;
import net.md_5.bungee.protocol.AbstractPacketHandler;
import net.md_5.bungee.protocol.Protocol;
@Data
@NoArgsConstructor
@@ -24,26 +25,38 @@ public class ScoreboardScore extends DefinedPacket
private int value;
@Override
public void read(ByteBuf buf)
public void read(ByteBuf buf, Protocol.ProtocolDirection direction, int protocolVersion)
{
itemName = readString( buf );
action = buf.readByte();
if ( action != 1 )
{
scoreName = readString( buf );
value = buf.readInt();
if ( protocolVersion >= 7 )
{
value = readVarInt( buf );
} else
{
value = buf.readInt();
}
}
}
@Override
public void write(ByteBuf buf)
public void write(ByteBuf buf, Protocol.ProtocolDirection direction, int protocolVersion)
{
writeString( itemName, buf );
buf.writeByte( action );
if ( action != 1 )
{
writeString( scoreName, buf );
buf.writeInt( value );
if ( protocolVersion >= 7 )
{
writeVarInt( value, buf );
} else
{
buf.writeInt( value );
}
}
}

22
protocol/src/main/java/net/md_5/bungee/protocol/packet/Team.java
View File

@@ -7,6 +7,7 @@ import lombok.Data;
import lombok.EqualsAndHashCode;
import lombok.NoArgsConstructor;
import net.md_5.bungee.protocol.AbstractPacketHandler;
import net.md_5.bungee.protocol.Protocol;
@Data
@NoArgsConstructor
@@ -40,7 +41,7 @@ public class Team extends DefinedPacket
}
@Override
public void read(ByteBuf buf)
public void read(ByteBuf buf, Protocol.ProtocolDirection direction, int protocolVersion)
{
name = readString( buf );
mode = buf.readByte();
@@ -53,8 +54,9 @@ public class Team extends DefinedPacket
}
if ( mode == 0 || mode == 3 || mode == 4 )
{
players = new String[ buf.readShort() ];
for ( int i = 0; i < getPlayers().length; i++ )
int len = ( protocolVersion >= 7 ) ? readVarInt( buf ) : buf.readInt();
players = new String[ len ];
for ( int i = 0; i < len; i++ )
{
players[i] = readString( buf );
}
@@ -62,7 +64,7 @@ public class Team extends DefinedPacket
}
@Override
public void write(ByteBuf buf)
public void write(ByteBuf buf, Protocol.ProtocolDirection direction, int protocolVersion)
{
writeString( name, buf );
buf.writeByte( mode );
@@ -75,10 +77,16 @@ public class Team extends DefinedPacket
}
if ( mode == 0 || mode == 3 || mode == 4 )
{
buf.writeShort( players.length );
for ( int i = 0; i < players.length; i++ )
if ( protocolVersion >= 7 )
{
writeString( players[i], buf );
writeVarInt( players.length, buf );
} else
{
buf.writeShort( players.length );
}
for ( String player : players )
{
writeString( player, buf );
}
}
}