Examples with ComponentRewriter com.viaversion.viaversion.rewriter.ComponentRewriter used on opensource projects

Example 1 with ComponentRewriter

use of com.viaversion.viaversion.rewriter.ComponentRewriter in project ViaVersion by ViaVersion.

the class Protocol1_16To1_15_2 method registerPackets.

@Override
protected void registerPackets() {
    metadataRewriter.register();
    itemRewriter.register();
    EntityPackets.register(this);
    WorldPackets.register(this);
    tagRewriter = new TagRewriter(this);
    tagRewriter.register(ClientboundPackets1_15.TAGS, RegistryType.ENTITY);
    new StatisticsRewriter(this).register(ClientboundPackets1_15.STATISTICS);
    // Login Success
    registerClientbound(State.LOGIN, 0x02, 0x02, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                // Transform string to int array
                UUID uuid = UUID.fromString(wrapper.read(Type.STRING));
                wrapper.write(Type.UUID_INT_ARRAY, uuid);
            });
        }
    });
    // Motd Status - line breaks are no longer allowed for player samples
    registerClientbound(State.STATUS, 0x00, 0x00, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                String original = wrapper.passthrough(Type.STRING);
                JsonObject object = GsonUtil.getGson().fromJson(original, JsonObject.class);
                JsonObject players = object.getAsJsonObject("players");
                if (players == null)
                    return;
                JsonArray sample = players.getAsJsonArray("sample");
                if (sample == null)
                    return;
                JsonArray splitSamples = new JsonArray();
                for (JsonElement element : sample) {
                    JsonObject playerInfo = element.getAsJsonObject();
                    String name = playerInfo.getAsJsonPrimitive("name").getAsString();
                    if (name.indexOf('\n') == -1) {
                        splitSamples.add(playerInfo);
                        continue;
                    }
                    String id = playerInfo.getAsJsonPrimitive("id").getAsString();
                    for (String s : name.split("\n")) {
                        JsonObject newSample = new JsonObject();
                        newSample.addProperty("name", s);
                        newSample.addProperty("id", id);
                        splitSamples.add(newSample);
                    }
                }
                // Replace data if changed
                if (splitSamples.size() != sample.size()) {
                    players.add("sample", splitSamples);
                    wrapper.set(Type.STRING, 0, object.toString());
                }
            });
        }
    });
    ComponentRewriter componentRewriter = new TranslationMappings(this);
    // Handle (relevant) component cases for translatable and score changes
    registerClientbound(ClientboundPackets1_15.CHAT_MESSAGE, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.COMPONENT);
            map(Type.BYTE);
            handler(wrapper -> {
                componentRewriter.processText(wrapper.get(Type.COMPONENT, 0));
                // Sender uuid - always send as 'system'
                wrapper.write(Type.UUID, ZERO_UUID);
            });
        }
    });
    componentRewriter.registerBossBar(ClientboundPackets1_15.BOSSBAR);
    componentRewriter.registerTitle(ClientboundPackets1_15.TITLE);
    componentRewriter.registerCombatEvent(ClientboundPackets1_15.COMBAT_EVENT);
    SoundRewriter soundRewriter = new SoundRewriter(this);
    soundRewriter.registerSound(ClientboundPackets1_15.SOUND);
    soundRewriter.registerSound(ClientboundPackets1_15.ENTITY_SOUND);
    registerServerbound(ServerboundPackets1_16.INTERACT_ENTITY, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                // Entity Id
                wrapper.passthrough(Type.VAR_INT);
                int action = wrapper.passthrough(Type.VAR_INT);
                if (action == 0 || action == 2) {
                    if (action == 2) {
                        // Location
                        wrapper.passthrough(Type.FLOAT);
                        wrapper.passthrough(Type.FLOAT);
                        wrapper.passthrough(Type.FLOAT);
                    }
                    // Hand
                    wrapper.passthrough(Type.VAR_INT);
                }
                // New boolean: Whether the client is sneaking/pressing shift
                wrapper.read(Type.BOOLEAN);
            });
        }
    });
    if (Via.getConfig().isIgnoreLong1_16ChannelNames()) {
        registerServerbound(ServerboundPackets1_16.PLUGIN_MESSAGE, new PacketRemapper() {

            @Override
            public void registerMap() {
                handler(wrapper -> {
                    String channel = wrapper.passthrough(Type.STRING);
                    if (channel.length() > 32) {
                        if (!Via.getConfig().isSuppressConversionWarnings()) {
                            Via.getPlatform().getLogger().warning("Ignoring incoming plugin channel, as it is longer than 32 characters: " + channel);
                        }
                        wrapper.cancel();
                    } else if (channel.equals("minecraft:register") || channel.equals("minecraft:unregister")) {
                        String[] channels = new String(wrapper.read(Type.REMAINING_BYTES), StandardCharsets.UTF_8).split("\0");
                        List<String> checkedChannels = new ArrayList<>(channels.length);
                        for (String registeredChannel : channels) {
                            if (registeredChannel.length() > 32) {
                                if (!Via.getConfig().isSuppressConversionWarnings()) {
                                    Via.getPlatform().getLogger().warning("Ignoring incoming plugin channel register of '" + registeredChannel + "', as it is longer than 32 characters");
                                }
                                continue;
                            }
                            checkedChannels.add(registeredChannel);
                        }
                        if (checkedChannels.isEmpty()) {
                            wrapper.cancel();
                            return;
                        }
                        wrapper.write(Type.REMAINING_BYTES, Joiner.on('\0').join(checkedChannels).getBytes(StandardCharsets.UTF_8));
                    }
                });
            }
        });
    }
    registerServerbound(ServerboundPackets1_16.PLAYER_ABILITIES, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                wrapper.passthrough(Type.BYTE);
                // Flying and walking speed - not important anyways
                wrapper.write(Type.FLOAT, 0.05F);
                wrapper.write(Type.FLOAT, 0.1F);
            });
        }
    });
    cancelServerbound(ServerboundPackets1_16.GENERATE_JIGSAW);
    cancelServerbound(ServerboundPackets1_16.UPDATE_JIGSAW_BLOCK);
}

Example 2 with ComponentRewriter

use of com.viaversion.viaversion.rewriter.ComponentRewriter in project ViaVersion by ViaVersion.

the class Protocol1_14To1_13_2 method registerPackets.

@Override
protected void registerPackets() {
    metadataRewriter.register();
    itemRewriter.register();
    EntityPackets.register(this);
    WorldPackets.register(this);
    PlayerPackets.register(this);
    new SoundRewriter(this).registerSound(ClientboundPackets1_13.SOUND);
    new StatisticsRewriter(this).register(ClientboundPackets1_13.STATISTICS);
    ComponentRewriter componentRewriter = new ComponentRewriter1_14(this);
    componentRewriter.registerComponentPacket(ClientboundPackets1_13.CHAT_MESSAGE);
    CommandRewriter1_14 commandRewriter = new CommandRewriter1_14(this);
    commandRewriter.registerDeclareCommands(ClientboundPackets1_13.DECLARE_COMMANDS);
    registerClientbound(ClientboundPackets1_13.TAGS, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int blockTagsSize = wrapper.read(Type.VAR_INT);
                    // block tags
                    wrapper.write(Type.VAR_INT, blockTagsSize + 6);
                    for (int i = 0; i < blockTagsSize; i++) {
                        wrapper.passthrough(Type.STRING);
                        int[] blockIds = wrapper.passthrough(Type.VAR_INT_ARRAY_PRIMITIVE);
                        for (int j = 0; j < blockIds.length; j++) {
                            blockIds[j] = getMappingData().getNewBlockId(blockIds[j]);
                        }
                    }
                    // Minecraft crashes if we not send signs tags
                    wrapper.write(Type.STRING, "minecraft:signs");
                    wrapper.write(Type.VAR_INT_ARRAY_PRIMITIVE, new int[] { getMappingData().getNewBlockId(150), getMappingData().getNewBlockId(155) });
                    wrapper.write(Type.STRING, "minecraft:wall_signs");
                    wrapper.write(Type.VAR_INT_ARRAY_PRIMITIVE, new int[] { getMappingData().getNewBlockId(155) });
                    wrapper.write(Type.STRING, "minecraft:standing_signs");
                    wrapper.write(Type.VAR_INT_ARRAY_PRIMITIVE, new int[] { getMappingData().getNewBlockId(150) });
                    // Fences and walls tags - used for block connections
                    wrapper.write(Type.STRING, "minecraft:fences");
                    wrapper.write(Type.VAR_INT_ARRAY_PRIMITIVE, new int[] { 189, 248, 472, 473, 474, 475 });
                    wrapper.write(Type.STRING, "minecraft:walls");
                    wrapper.write(Type.VAR_INT_ARRAY_PRIMITIVE, new int[] { 271, 272 });
                    wrapper.write(Type.STRING, "minecraft:wooden_fences");
                    wrapper.write(Type.VAR_INT_ARRAY_PRIMITIVE, new int[] { 189, 472, 473, 474, 475 });
                    int itemTagsSize = wrapper.read(Type.VAR_INT);
                    // item tags
                    wrapper.write(Type.VAR_INT, itemTagsSize + 2);
                    for (int i = 0; i < itemTagsSize; i++) {
                        wrapper.passthrough(Type.STRING);
                        int[] itemIds = wrapper.passthrough(Type.VAR_INT_ARRAY_PRIMITIVE);
                        for (int j = 0; j < itemIds.length; j++) {
                            itemIds[j] = getMappingData().getNewItemId(itemIds[j]);
                        }
                    }
                    // Should fix fuel shift clicking
                    wrapper.write(Type.STRING, "minecraft:signs");
                    wrapper.write(Type.VAR_INT_ARRAY_PRIMITIVE, new int[] { getMappingData().getNewItemId(541) });
                    // Arrows tag (used by bow)
                    wrapper.write(Type.STRING, "minecraft:arrows");
                    wrapper.write(Type.VAR_INT_ARRAY_PRIMITIVE, new int[] { 526, 825, 826 });
                    // fluid tags
                    int fluidTagsSize = wrapper.passthrough(Type.VAR_INT);
                    for (int i = 0; i < fluidTagsSize; i++) {
                        wrapper.passthrough(Type.STRING);
                        wrapper.passthrough(Type.VAR_INT_ARRAY_PRIMITIVE);
                    }
                    // new entity tags - do we need to send this?
                    wrapper.write(Type.VAR_INT, 0);
                }
            });
        }
    });
    // Set Difficulty packet added in 19w11a
    cancelServerbound(ServerboundPackets1_14.SET_DIFFICULTY);
    // Lock Difficulty packet added in 19w11a
    cancelServerbound(ServerboundPackets1_14.LOCK_DIFFICULTY);
    // Unknown packet added in 19w13a
    cancelServerbound(ServerboundPackets1_14.UPDATE_JIGSAW_BLOCK);
}