@Override
public RecyclableCollection<PacketData> toData(ProtocolVersion version) throws IOException {
effectId = IdRemapper.EFFECT.getTable(version).getRemap(effectId);
if (version.isBefore(ProtocolVersion.MINECRAFT_1_9)) {
effectId = LegacyEffect.getLegacyId(version, effectId);
if (effectId == 2001) {
data = IdRemapper.BLOCK.getTable(version).getRemap((data & 0xFFF) << 4) >> 4;
}
}
PacketData serializer = PacketData.create(ClientBoundPacket.PLAY_WORLD_EVENT_ID, version);
serializer.writeInt(effectId);
serializer.writePosition(position);
serializer.writeInt(data);
serializer.writeBoolean(disableRelative);
return RecyclableSingletonList.create(serializer);
}
public class PacketEncoder implements IPacketEncoder {
private static final EnumProtocolDirection direction = EnumProtocolDirection.CLIENTBOUND;
private static final AttributeKey<EnumProtocol> currentStateAttrKey = NetworkManager.c;
private static final PacketIdTransformerRegistry packetIdRegistry =
new PacketIdTransformerRegistry();
static {
packetIdRegistry.register(EnumProtocol.LOGIN, ClientBoundPacket.LOGIN_DISCONNECT_ID, 0xFF);
packetIdRegistry.register(
EnumProtocol.LOGIN, ClientBoundPacket.LOGIN_ENCRYPTION_BEGIN_ID, 0xFD);
packetIdRegistry.register(EnumProtocol.STATUS, ClientBoundPacket.STATUS_SERVER_INFO_ID, 0xFF);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_KEEP_ALIVE_ID, 0x00);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_LOGIN_ID, 0x01);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_CHAT_ID, 0x03);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_UPDATE_TIME_ID, 0x04);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_ENTITY_EQUIPMENT_ID, 0x05);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_SPAWN_POSITION_ID, 0x06);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_UPDATE_HEALTH_ID, 0x08);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_RESPAWN_ID, 0x09);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_POSITION_ID, 0x0D);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_HELD_SLOT_ID, 0x10);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_BED_ID, 0x11);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_ANIMATION_ID, 0x12);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_SPAWN_NAMED_ID, 0x14);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_COLLECT_EFFECT_ID, 0x16);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_SPAWN_OBJECT_ID, 0x17);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_SPAWN_LIVING_ID, 0x18);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_SPAWN_PAINTING_ID, 0x19);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_SPAWN_EXP_ORB_ID, 0x1A);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_ENTITY_VELOCITY_ID, 0x1C);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_ENTITY_DESTROY_ID, 0x1D);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_ENTITY_ID, 0x1E);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_ENTITY_REL_MOVE_ID, 0x1F);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_ENTITY_LOOK_ID, 0x20);
packetIdRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_ENTITY_REL_MOVE_LOOK_ID, 0x21);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_ENTITY_TELEPORT_ID, 0x22);
packetIdRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_ENTITY_HEAD_ROTATION_ID, 0x23);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_ENTITY_STATUS_ID, 0x26);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_ENTITY_ATTACH_ID, 0x27);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_ENTITY_METADATA_ID, 0x28);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_ENTITY_EFFECT_ADD_ID, 0x29);
packetIdRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_ENTITY_EFFECT_REMOVE_ID, 0x2A);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_EXPERIENCE_ID, 0x2B);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_ENTITY_ATTRIBUTES_ID, 0x2C);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_CHUNK_SINGLE_ID, 0x33);
packetIdRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_BLOCK_CHANGE_MULTI_ID, 0x34);
packetIdRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_BLOCK_CHANGE_SINGLE_ID, 0x35);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_BLOCK_ACTION_ID, 0x36);
packetIdRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_BLOCK_BREAK_ANIMATION_ID, 0x37);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_CHUNK_MULTI_ID, 0x38);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_EXPLOSION_ID, 0x3C);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_WORLD_EVENT_ID, 0x3D);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_WORLD_SOUND_ID, 0x3E);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_WORLD_PARTICLES_ID, 0x3F);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_GAME_STATE_CHANGE_ID, 0x46);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_SPAWN_WEATHER_ID, 0x47);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_WINDOW_OPEN_ID, 0x64);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_WINDOW_CLOSE_ID, 0x65);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_WINDOW_SET_SLOT_ID, 0x67);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_WINDOW_SET_ITEMS_ID, 0x68);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_WINDOW_DATA_ID, 0x69);
packetIdRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_WINDOW_TRANSACTION_ID, 0x6A);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_UPDATE_SIGN_ID, 0x82);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_MAP_ID, 0x83);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_UPDATE_TILE_ID, 0x84);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_SIGN_EDITOR_ID, 0x85);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_PLAYER_INFO_ID, 0xC9);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_ABILITIES_ID, 0xCA);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_TAB_COMPLETE_ID, 0xCB);
packetIdRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_SCOREBOARD_OBJECTIVE_ID, 0xCE);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_SCOREBOARD_SCORE_ID, 0xCF);
packetIdRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_SCOREBOARD_DISPLAY_SLOT_ID, 0xD0);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_SCOREBOARD_TEAM_ID, 0xD1);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_CUSTOM_PAYLOAD_ID, 0xFA);
packetIdRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_KICK_DISCONNECT_ID, 0xFF);
}
private final MiddleTransformerRegistry<ClientBoundMiddlePacket<RecyclableCollection<PacketData>>>
dataRemapperRegistry = new MiddleTransformerRegistry<>();
{
try {
dataRemapperRegistry.register(
EnumProtocol.LOGIN, ClientBoundPacket.LOGIN_DISCONNECT_ID, LoginDisconnect.class);
dataRemapperRegistry.register(
EnumProtocol.LOGIN, ClientBoundPacket.LOGIN_ENCRYPTION_BEGIN_ID, EncryptionRequest.class);
dataRemapperRegistry.register(
EnumProtocol.STATUS, ClientBoundPacket.STATUS_SERVER_INFO_ID, ServerInfo.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_KEEP_ALIVE_ID, KeepAlive.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_LOGIN_ID, Login.class);
dataRemapperRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_CHAT_ID, Chat.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_UPDATE_TIME_ID, TimeUpdate.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_ENTITY_EQUIPMENT_ID, EntityEquipment.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_SPAWN_POSITION_ID, SpawnPosition.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_UPDATE_HEALTH_ID, SetHealth.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_RESPAWN_ID, Respawn.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_POSITION_ID, Position.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_HELD_SLOT_ID, HeldSlot.class);
dataRemapperRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_BED_ID, UseBed.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_ANIMATION_ID, Animation.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_SPAWN_NAMED_ID, SpawnNamed.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_COLLECT_EFFECT_ID, CollectEffect.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_SPAWN_OBJECT_ID, SpawnObject.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_SPAWN_LIVING_ID, SpawnLiving.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_SPAWN_PAINTING_ID, SpawnPainting.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_SPAWN_EXP_ORB_ID, SpawnExpOrb.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_ENTITY_VELOCITY_ID, EntityVelocity.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_ENTITY_DESTROY_ID, EntityDestroy.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_ENTITY_ID, Entity.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_ENTITY_REL_MOVE_ID, EntityRelMove.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_ENTITY_LOOK_ID, EntityLook.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY,
ClientBoundPacket.PLAY_ENTITY_REL_MOVE_LOOK_ID,
EntityRelMoveLook.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_ENTITY_TELEPORT_ID, EntityTeleport.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY,
ClientBoundPacket.PLAY_ENTITY_HEAD_ROTATION_ID,
EntityHeadRotation.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_ENTITY_STATUS_ID, EntityStatus.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_ENTITY_ATTACH_ID, EntityAttach.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_ENTITY_METADATA_ID, EntityMetadata.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_ENTITY_EFFECT_ADD_ID, EntityEffectAdd.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY,
ClientBoundPacket.PLAY_ENTITY_EFFECT_REMOVE_ID,
EntityEffectRemove.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_EXPERIENCE_ID, SetExperience.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY,
ClientBoundPacket.PLAY_ENTITY_ATTRIBUTES_ID,
EntitySetAttributes.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_CHUNK_SINGLE_ID, ChunkSingle.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_BLOCK_CHANGE_MULTI_ID, BlockChangeMulti.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY,
ClientBoundPacket.PLAY_BLOCK_CHANGE_SINGLE_ID,
BlockChangeSingle.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_BLOCK_ACTION_ID, BlockAction.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY,
ClientBoundPacket.PLAY_BLOCK_BREAK_ANIMATION_ID,
BlockBreakAnimation.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_CHUNK_MULTI_ID, ChunkMulti.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_EXPLOSION_ID, Explosion.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_WORLD_EVENT_ID, WorldEvent.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_WORLD_SOUND_ID, WorldSound.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_WORLD_PARTICLES_ID, WorldParticle.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_GAME_STATE_CHANGE_ID, GameStateChange.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_SPAWN_WEATHER_ID, SpawnGlobal.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_WINDOW_OPEN_ID, InventoryOpen.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_WINDOW_CLOSE_ID, InventoryClose.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_WINDOW_SET_SLOT_ID, InventorySetSlot.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_WINDOW_SET_ITEMS_ID, InventorySetItems.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_WINDOW_DATA_ID, InventoryData.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY,
ClientBoundPacket.PLAY_WINDOW_TRANSACTION_ID,
InventoryConfirmTransaction.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_UPDATE_SIGN_ID, BlockSignUpdate.class);
dataRemapperRegistry.register(EnumProtocol.PLAY, ClientBoundPacket.PLAY_MAP_ID, Map.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_UPDATE_TILE_ID, BlockTileUpdate.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_SIGN_EDITOR_ID, BlockOpenSignEditor.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_PLAYER_INFO_ID, PlayerInfo.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_ABILITIES_ID, PlayerAbilities.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_TAB_COMPLETE_ID, TabComplete.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY,
ClientBoundPacket.PLAY_SCOREBOARD_OBJECTIVE_ID,
ScoreboardObjective.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_SCOREBOARD_SCORE_ID, ScoreboardScore.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY,
ClientBoundPacket.PLAY_SCOREBOARD_DISPLAY_SLOT_ID,
ScoreboardDisplay.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_SCOREBOARD_TEAM_ID, ScoreboardTeam.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_CUSTOM_PAYLOAD_ID, CustomPayload.class);
dataRemapperRegistry.register(
EnumProtocol.PLAY, ClientBoundPacket.PLAY_KICK_DISCONNECT_ID, KickDisconnect.class);
} catch (Throwable t) {
SneakyThrow.sneaky(t);
}
}
private final ProtocolVersion version;
public PacketEncoder(ProtocolVersion version) {
this.version = version;
}
private final LocalStorage storage = new LocalStorage();
private final PacketDataSerializer serverdata =
new PacketDataSerializer(Unpooled.buffer(), ProtocolVersion.getLatest());
@Override
public void encode(ChannelHandlerContext ctx, Packet<PacketListener> packet, ByteBuf output)
throws Exception {
Channel channel = ctx.channel();
EnumProtocol currentProtocol = channel.attr(currentStateAttrKey).get();
final Integer packetId = currentProtocol.a(direction, packet);
if (packetId == null) {
throw new IOException("Can't serialize unregistered packet");
}
ClientBoundMiddlePacket<RecyclableCollection<PacketData>> packetTransformer =
dataRemapperRegistry.getTransformer(currentProtocol, packetId);
if (packetTransformer != null) {
serverdata.clear();
packet.b(serverdata);
if (packetTransformer.needsPlayer()) {
packetTransformer.setPlayer(ChannelUtils.getBukkitPlayer(channel));
}
packetTransformer.readFromServerData(serverdata);
packetTransformer.setLocalStorage(storage);
packetTransformer.handle();
RecyclableCollection<PacketData> data = packetTransformer.toData(version);
try {
for (PacketData packetdata : data) {
ByteBuf senddata = Allocator.allocateBuffer();
senddata.writeByte(
packetIdRegistry.getNewPacketId(currentProtocol, packetdata.getPacketId()));
senddata.writeBytes(packetdata);
ctx.write(senddata);
}
ctx.flush();
} finally {
for (PacketData packetdata : data) {
packetdata.recycle();
}
data.recycle();
}
}
}
}
@Override
public void channelRead(final ChannelHandlerContext ctx, final Object inputObj) throws Exception {
try {
final ByteBuf input = (ByteBuf) inputObj;
if (!input.isReadable()) {
return;
}
final Channel channel = ctx.channel();
receivedData.writeBytes(input);
ProtocolVersion handshakeversion = ProtocolVersion.NOT_SET;
receivedData.readerIndex(0);
int firstbyte = receivedData.readUnsignedByte();
switch (firstbyte) {
case 0xFE:
{ // old ping
try {
if (receivedData.readableBytes() == 0) { // really old protocol probably
scheduleTask(ctx, new Ping11ResponseTask(channel), 1000, TimeUnit.MILLISECONDS);
} else if (receivedData.readUnsignedByte() == 1) {
if (receivedData.readableBytes() == 0) {
// 1.5.2 probably
scheduleTask(
ctx, new Ping152ResponseTask(this, channel), 500, TimeUnit.MILLISECONDS);
} else if ((receivedData.readUnsignedByte() == 0xFA)
&& "MC|PingHost"
.equals(
new String(
Utils.toArray(
receivedData.readBytes(receivedData.readUnsignedShort() * 2)),
StandardCharsets.UTF_16BE))) { // 1.6.*
receivedData.readUnsignedShort();
handshakeversion = ProtocolVersion.fromId(receivedData.readUnsignedByte());
}
}
} catch (IndexOutOfBoundsException ex) {
}
break;
}
case 0x02:
{ // 1.6 or 1.5.2 handshake
try {
handshakeversion = ProtocolVersion.fromId(receivedData.readUnsignedByte());
} catch (IndexOutOfBoundsException ex) {
}
break;
}
default:
{ // 1.7 or 1.8 handshake
receivedData.readerIndex(0);
ByteBuf data = getVarIntPrefixedData(receivedData);
if (data != null) {
handshakeversion = readNPHandshake(data);
}
break;
}
}
// if we detected the protocol than we save it and process data
if (handshakeversion != ProtocolVersion.NOT_SET) {
setProtocol(channel, receivedData, handshakeversion);
}
} catch (Throwable t) {
ctx.channel().close();
} finally {
ReferenceCountUtil.release(inputObj);
}
}
private ProtocolVersion readNPHandshake(ByteBuf data) {
if (readVarInt(data) == 0x00) {
return ProtocolVersion.fromId(readVarInt(data));
}
return ProtocolVersion.UNKNOWN;
}