Examples with UserConnection com.viaversion.viaversion.api.connection.UserConnection used on opensource projects

Example 26 with UserConnection

use of com.viaversion.viaversion.api.connection.UserConnection in project ViaFabric by ViaVersion.

the class MixinClientConnectionChInit method onInitChannel.

@Inject(method = "initChannel", at = @At(value = "TAIL"), remap = false)
private void onInitChannel(Channel channel, CallbackInfo ci) {
    if (channel instanceof SocketChannel) {
        UserConnection user = new UserConnectionImpl(channel, true);
        new ProtocolPipelineImpl(user).add(HostnameParserProtocol.INSTANCE);
        channel.pipeline().addBefore("encoder", CommonTransformer.HANDLER_ENCODER_NAME, new FabricEncodeHandler(user)).addBefore("decoder", CommonTransformer.HANDLER_DECODER_NAME, new FabricDecodeHandler(user));
    }
}

Example 27 with UserConnection

use of com.viaversion.viaversion.api.connection.UserConnection in project ViaVersion by ViaVersion.

the class VelocityChannelInitializer method initChannel.

@Override
protected void initChannel(Channel channel) throws Exception {
    INIT_CHANNEL.invoke(original, channel);
    UserConnection user = new UserConnectionImpl(channel, clientSide);
    new ProtocolPipelineImpl(user);
    // We need to add a separated handler because Velocity uses pipeline().get(MINECRAFT_DECODER)
    channel.pipeline().addBefore(MINECRAFT_ENCODER, VIA_ENCODER, new VelocityEncodeHandler(user));
    channel.pipeline().addBefore(MINECRAFT_DECODER, VIA_DECODER, new VelocityDecodeHandler(user));
}

Example 28 with UserConnection

use of com.viaversion.viaversion.api.connection.UserConnection in project ViaVersion by ViaVersion.

the class SpongeChannelInitializer method initChannel.

@Override
protected void initChannel(Channel channel) throws Exception {
    // Ensure ViaVersion is loaded
    if (Via.getAPI().getServerVersion().isKnown() && channel instanceof SocketChannel) {
        // channel can be LocalChannel on internal server
        UserConnection info = new UserConnectionImpl((SocketChannel) channel);
        // init protocol
        new ProtocolPipelineImpl(info);
        // Add originals
        INIT_CHANNEL_METHOD.invoke(this.original, channel);
        // Add our transformers
        MessageToByteEncoder encoder = new SpongeEncodeHandler(info, (MessageToByteEncoder) channel.pipeline().get("encoder"));
        ByteToMessageDecoder decoder = new SpongeDecodeHandler(info, (ByteToMessageDecoder) channel.pipeline().get("decoder"));
        channel.pipeline().replace("encoder", "encoder", encoder);
        channel.pipeline().replace("decoder", "decoder", decoder);
    } else {
        INIT_CHANNEL_METHOD.invoke(this.original, channel);
    }
}

Example 29 with UserConnection

use of com.viaversion.viaversion.api.connection.UserConnection in project ViaVersion by ViaVersion.

the class WorldPackets method register.

public static void register(Protocol1_17To1_16_4 protocol) {
    BlockRewriter blockRewriter = new BlockRewriter(protocol, Type.POSITION1_14);
    blockRewriter.registerBlockAction(ClientboundPackets1_16_2.BLOCK_ACTION);
    blockRewriter.registerBlockChange(ClientboundPackets1_16_2.BLOCK_CHANGE);
    blockRewriter.registerVarLongMultiBlockChange(ClientboundPackets1_16_2.MULTI_BLOCK_CHANGE);
    blockRewriter.registerAcknowledgePlayerDigging(ClientboundPackets1_16_2.ACKNOWLEDGE_PLAYER_DIGGING);
    protocol.registerClientbound(ClientboundPackets1_16_2.WORLD_BORDER, null, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                // Border packet actions have been split into individual packets (the content hasn't changed)
                int type = wrapper.read(Type.VAR_INT);
                ClientboundPacketType packetType;
                switch(type) {
                    case 0:
                        packetType = ClientboundPackets1_17.WORLD_BORDER_SIZE;
                        break;
                    case 1:
                        packetType = ClientboundPackets1_17.WORLD_BORDER_LERP_SIZE;
                        break;
                    case 2:
                        packetType = ClientboundPackets1_17.WORLD_BORDER_CENTER;
                        break;
                    case 3:
                        packetType = ClientboundPackets1_17.WORLD_BORDER_INIT;
                        break;
                    case 4:
                        packetType = ClientboundPackets1_17.WORLD_BORDER_WARNING_DELAY;
                        break;
                    case 5:
                        packetType = ClientboundPackets1_17.WORLD_BORDER_WARNING_DISTANCE;
                        break;
                    default:
                        throw new IllegalArgumentException("Invalid world border type received: " + type);
                }
                wrapper.setId(packetType.getId());
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_16_2.UPDATE_LIGHT, new PacketRemapper() {

        @Override
        public void registerMap() {
            // x
            map(Type.VAR_INT);
            // y
            map(Type.VAR_INT);
            // trust edges
            map(Type.BOOLEAN);
            handler(wrapper -> {
                int skyLightMask = wrapper.read(Type.VAR_INT);
                int blockLightMask = wrapper.read(Type.VAR_INT);
                // Now all written as a representation of BitSets
                // Sky light mask
                wrapper.write(Type.LONG_ARRAY_PRIMITIVE, toBitSetLongArray(skyLightMask));
                // Block light mask
                wrapper.write(Type.LONG_ARRAY_PRIMITIVE, toBitSetLongArray(blockLightMask));
                // Empty sky light mask
                wrapper.write(Type.LONG_ARRAY_PRIMITIVE, toBitSetLongArray(wrapper.read(Type.VAR_INT)));
                // Empty block light mask
                wrapper.write(Type.LONG_ARRAY_PRIMITIVE, toBitSetLongArray(wrapper.read(Type.VAR_INT)));
                writeLightArrays(wrapper, skyLightMask);
                writeLightArrays(wrapper, blockLightMask);
            });
        }

        private void writeLightArrays(PacketWrapper wrapper, int bitMask) throws Exception {
            List<byte[]> light = new ArrayList<>();
            for (int i = 0; i < 18; i++) {
                if (isSet(bitMask, i)) {
                    light.add(wrapper.read(Type.BYTE_ARRAY_PRIMITIVE));
                }
            }
            // Now needs the length of the bytearray-array
            wrapper.write(Type.VAR_INT, light.size());
            for (byte[] bytes : light) {
                wrapper.write(Type.BYTE_ARRAY_PRIMITIVE, bytes);
            }
        }

        private long[] toBitSetLongArray(int bitmask) {
            return new long[] { bitmask };
        }

        private boolean isSet(int mask, int i) {
            return (mask & (1 << i)) != 0;
        }
    });
    protocol.registerClientbound(ClientboundPackets1_16_2.CHUNK_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                Chunk chunk = wrapper.read(new Chunk1_16_2Type());
                if (!chunk.isFullChunk()) {
                    // All chunks are full chunk packets now (1.16 already stopped sending non-full chunks)
                    // Construct multi block change packets instead
                    // Height map updates are lost (unless we want to fully cache and resend entire chunks)
                    // Block entities are always empty for non-full chunks in Vanilla
                    writeMultiBlockChangePacket(wrapper, chunk);
                    wrapper.cancel();
                    return;
                }
                // Normal full chunk writing
                wrapper.write(new Chunk1_17Type(chunk.getSections().length), chunk);
                // 1.17 uses a bitset for the mask
                chunk.setChunkMask(BitSet.valueOf(new long[] { chunk.getBitmask() }));
                for (int s = 0; s < chunk.getSections().length; s++) {
                    ChunkSection section = chunk.getSections()[s];
                    if (section == null)
                        continue;
                    for (int i = 0; i < section.getPaletteSize(); i++) {
                        int old = section.getPaletteEntry(i);
                        section.setPaletteEntry(i, protocol.getMappingData().getNewBlockStateId(old));
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_16_2.JOIN_GAME, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Entity ID
            map(Type.INT);
            // Hardcore
            map(Type.BOOLEAN);
            // Gamemode
            map(Type.UNSIGNED_BYTE);
            // Previous Gamemode
            map(Type.BYTE);
            // World List
            map(Type.STRING_ARRAY);
            // Registry
            map(Type.NBT);
            // Current dimension
            map(Type.NBT);
            handler(wrapper -> {
                // Add new dimension fields
                CompoundTag dimensionRegistry = wrapper.get(Type.NBT, 0).get("minecraft:dimension_type");
                ListTag dimensions = dimensionRegistry.get("value");
                for (Tag dimension : dimensions) {
                    CompoundTag dimensionCompound = ((CompoundTag) dimension).get("element");
                    addNewDimensionData(dimensionCompound);
                }
                CompoundTag currentDimensionTag = wrapper.get(Type.NBT, 1);
                addNewDimensionData(currentDimensionTag);
                UserConnection user = wrapper.user();
                user.getEntityTracker(Protocol1_17To1_16_4.class).addEntity(wrapper.get(Type.INT, 0), Entity1_17Types.PLAYER);
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_16_2.RESPAWN, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                CompoundTag dimensionData = wrapper.passthrough(Type.NBT);
                addNewDimensionData(dimensionData);
            });
        }
    });
    blockRewriter.registerEffect(ClientboundPackets1_16_2.EFFECT, 1010, 2001);
}

Example 30 with UserConnection

use of com.viaversion.viaversion.api.connection.UserConnection in project ViaVersion by ViaVersion.

the class ConnectionManagerImpl method onLoginSuccess.

@Override
public void onLoginSuccess(UserConnection connection) {
    Objects.requireNonNull(connection, "connection is null!");
    connections.add(connection);
    if (isFrontEnd(connection)) {
        UUID id = connection.getProtocolInfo().getUuid();
        if (clients.put(id, connection) != null) {
            Via.getPlatform().getLogger().warning("Duplicate UUID on frontend connection! (" + id + ")");
        }
    }
    if (connection.getChannel() != null) {
        connection.getChannel().closeFuture().addListener((ChannelFutureListener) future -> onDisconnect(connection));
    }
}