Examples with ClientboundPackets1_16_2 com.viaversion.viaversion.protocols.protocol1_16_2to1_16_1.ClientboundPackets1_16_2 used on opensource projects

Example 1 with ClientboundPackets1_16_2

use of com.viaversion.viaversion.protocols.protocol1_16_2to1_16_1.ClientboundPackets1_16_2 in project ViaBackwards by ViaVersion.

the class Protocol1_16_4To1_17 method registerPackets.

@Override
protected void registerPackets() {
    executeAsyncAfterLoaded(Protocol1_17To1_16_4.class, MAPPINGS::load);
    translatableRewriter.registerChatMessage(ClientboundPackets1_17.CHAT_MESSAGE);
    translatableRewriter.registerBossBar(ClientboundPackets1_17.BOSSBAR);
    translatableRewriter.registerDisconnect(ClientboundPackets1_17.DISCONNECT);
    translatableRewriter.registerTabList(ClientboundPackets1_17.TAB_LIST);
    translatableRewriter.registerOpenWindow(ClientboundPackets1_17.OPEN_WINDOW);
    translatableRewriter.registerPing();
    blockItemPackets = new BlockItemPackets1_17(this);
    blockItemPackets.register();
    entityRewriter.register();
    SoundRewriter soundRewriter = new SoundRewriter(this);
    soundRewriter.registerSound(ClientboundPackets1_17.SOUND);
    soundRewriter.registerSound(ClientboundPackets1_17.ENTITY_SOUND);
    soundRewriter.registerNamedSound(ClientboundPackets1_17.NAMED_SOUND);
    soundRewriter.registerStopSound(ClientboundPackets1_17.STOP_SOUND);
    TagRewriter tagRewriter = new TagRewriter(this);
    registerClientbound(ClientboundPackets1_17.TAGS, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                Map<String, List<TagData>> tags = new HashMap<>();
                int length = wrapper.read(Type.VAR_INT);
                for (int i = 0; i < length; i++) {
                    String resourceKey = wrapper.read(Type.STRING);
                    if (resourceKey.startsWith("minecraft:")) {
                        resourceKey = resourceKey.substring(10);
                    }
                    List<TagData> tagList = new ArrayList<>();
                    tags.put(resourceKey, tagList);
                    int tagLength = wrapper.read(Type.VAR_INT);
                    for (int j = 0; j < tagLength; j++) {
                        String identifier = wrapper.read(Type.STRING);
                        int[] entries = wrapper.read(Type.VAR_INT_ARRAY_PRIMITIVE);
                        tagList.add(new TagData(identifier, entries));
                    }
                }
                // Put them into the hardcoded order of Vanilla tags (and only those), rewrite ids
                for (RegistryType type : RegistryType.getValues()) {
                    List<TagData> tagList = tags.get(type.getResourceLocation());
                    IdRewriteFunction rewriter = tagRewriter.getRewriter(type);
                    wrapper.write(Type.VAR_INT, tagList.size());
                    for (TagData tagData : tagList) {
                        int[] entries = tagData.entries();
                        if (rewriter != null) {
                            // Handle id rewriting now
                            IntList idList = new IntArrayList(entries.length);
                            for (int id : entries) {
                                int mappedId = rewriter.rewrite(id);
                                if (mappedId != -1) {
                                    idList.add(mappedId);
                                }
                            }
                            entries = idList.toArray(EMPTY_ARRAY);
                        }
                        wrapper.write(Type.STRING, tagData.identifier());
                        wrapper.write(Type.VAR_INT_ARRAY_PRIMITIVE, entries);
                    }
                    // Stop after the entity types
                    if (type == RegistryType.ENTITY) {
                        break;
                    }
                }
            });
        }
    });
    new StatisticsRewriter(this).register(ClientboundPackets1_17.STATISTICS);
    registerClientbound(ClientboundPackets1_17.RESOURCE_PACK, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                wrapper.passthrough(Type.STRING);
                wrapper.passthrough(Type.STRING);
                // Required
                wrapper.read(Type.BOOLEAN);
                // Prompt message
                wrapper.read(Type.OPTIONAL_COMPONENT);
            });
        }
    });
    registerClientbound(ClientboundPackets1_17.EXPLOSION, new PacketRemapper() {

        @Override
        public void registerMap() {
            // X
            map(Type.FLOAT);
            // Y
            map(Type.FLOAT);
            // Z
            map(Type.FLOAT);
            // Strength
            map(Type.FLOAT);
            handler(wrapper -> {
                // Collection length
                wrapper.write(Type.INT, wrapper.read(Type.VAR_INT));
            });
        }
    });
    registerClientbound(ClientboundPackets1_17.SPAWN_POSITION, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.POSITION1_14);
            handler(wrapper -> {
                // Angle (which Mojang just forgot to write to the buffer, lol)
                wrapper.read(Type.FLOAT);
            });
        }
    });
    registerClientbound(ClientboundPackets1_17.PING, null, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                wrapper.cancel();
                int id = wrapper.read(Type.INT);
                short shortId = (short) id;
                if (id == shortId && ViaBackwards.getConfig().handlePingsAsInvAcknowledgements()) {
                    wrapper.user().get(PingRequests.class).addId(shortId);
                    // Send inventory acknowledgement to replace ping packet functionality in the unsigned byte range
                    PacketWrapper acknowledgementPacket = wrapper.create(ClientboundPackets1_16_2.WINDOW_CONFIRMATION);
                    // Inventory id
                    acknowledgementPacket.write(Type.UNSIGNED_BYTE, (short) 0);
                    // Confirmation id
                    acknowledgementPacket.write(Type.SHORT, shortId);
                    // Accepted
                    acknowledgementPacket.write(Type.BOOLEAN, false);
                    acknowledgementPacket.send(Protocol1_16_4To1_17.class);
                    return;
                }
                // Plugins expecting a real response will have to handle this accordingly themselves
                PacketWrapper pongPacket = wrapper.create(ServerboundPackets1_17.PONG);
                pongPacket.write(Type.INT, id);
                pongPacket.sendToServer(Protocol1_16_4To1_17.class);
            });
        }
    });
    registerServerbound(ServerboundPackets1_16_2.CLIENT_SETTINGS, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Locale
            map(Type.STRING);
            // View distance
            map(Type.BYTE);
            // Chat mode
            map(Type.VAR_INT);
            // Chat colors
            map(Type.BOOLEAN);
            // Chat flags
            map(Type.UNSIGNED_BYTE);
            // Main hand
            map(Type.VAR_INT);
            handler(wrapper -> {
                // Text filtering
                wrapper.write(Type.BOOLEAN, false);
            });
        }
    });
    // TODO translatables
    mergePacket(ClientboundPackets1_17.TITLE_TEXT, ClientboundPackets1_16_2.TITLE, 0);
    mergePacket(ClientboundPackets1_17.TITLE_SUBTITLE, ClientboundPackets1_16_2.TITLE, 1);
    mergePacket(ClientboundPackets1_17.ACTIONBAR, ClientboundPackets1_16_2.TITLE, 2);
    mergePacket(ClientboundPackets1_17.TITLE_TIMES, ClientboundPackets1_16_2.TITLE, 3);
    registerClientbound(ClientboundPackets1_17.CLEAR_TITLES, ClientboundPackets1_16_2.TITLE, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                if (wrapper.read(Type.BOOLEAN)) {
                    // Reset times
                    wrapper.write(Type.VAR_INT, 5);
                } else {
                    // Simple clear
                    wrapper.write(Type.VAR_INT, 4);
                }
            });
        }
    });
    cancelClientbound(ClientboundPackets1_17.ADD_VIBRATION_SIGNAL);
}

Example 2 with ClientboundPackets1_16_2

use of com.viaversion.viaversion.protocols.protocol1_16_2to1_16_1.ClientboundPackets1_16_2 in project ViaBackwards by ViaVersion.

the class Protocol1_16_1To1_16_2 method registerPackets.

@Override
protected void registerPackets() {
    executeAsyncAfterLoaded(Protocol1_16_2To1_16_1.class, MAPPINGS::load);
    translatableRewriter.registerBossBar(ClientboundPackets1_16_2.BOSSBAR);
    translatableRewriter.registerCombatEvent(ClientboundPackets1_16_2.COMBAT_EVENT);
    translatableRewriter.registerDisconnect(ClientboundPackets1_16_2.DISCONNECT);
    translatableRewriter.registerTabList(ClientboundPackets1_16_2.TAB_LIST);
    translatableRewriter.registerTitle(ClientboundPackets1_16_2.TITLE);
    translatableRewriter.registerOpenWindow(ClientboundPackets1_16_2.OPEN_WINDOW);
    translatableRewriter.registerPing();
    new CommandRewriter1_16_2(this).registerDeclareCommands(ClientboundPackets1_16_2.DECLARE_COMMANDS);
    (blockItemPackets = new BlockItemPackets1_16_2(this)).register();
    entityRewriter.register();
    SoundRewriter soundRewriter = new SoundRewriter(this);
    soundRewriter.registerSound(ClientboundPackets1_16_2.SOUND);
    soundRewriter.registerSound(ClientboundPackets1_16_2.ENTITY_SOUND);
    soundRewriter.registerNamedSound(ClientboundPackets1_16_2.NAMED_SOUND);
    soundRewriter.registerStopSound(ClientboundPackets1_16_2.STOP_SOUND);
    registerClientbound(ClientboundPackets1_16_2.CHAT_MESSAGE, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                JsonElement message = wrapper.passthrough(Type.COMPONENT);
                translatableRewriter.processText(message);
                byte position = wrapper.passthrough(Type.BYTE);
                if (position == 2) {
                    // https://bugs.mojang.com/browse/MC-119145
                    wrapper.clearPacket();
                    wrapper.setId(ClientboundPackets1_16.TITLE.ordinal());
                    wrapper.write(Type.VAR_INT, 2);
                    wrapper.write(Type.COMPONENT, message);
                }
            });
        }
    });
    // Recipe book data has been split into 2 separate packets
    registerServerbound(ServerboundPackets1_16.RECIPE_BOOK_DATA, new PacketRemapper() {

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

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int type = wrapper.read(Type.VAR_INT);
                    if (type == 0) {
                        // Shown, change to its own packet
                        // Recipe
                        wrapper.passthrough(Type.STRING);
                        wrapper.setId(ServerboundPackets1_16_2.SEEN_RECIPE.ordinal());
                    } else {
                        wrapper.cancel();
                        // Settings
                        for (int i = 0; i < 3; i++) {
                            sendSeenRecipePacket(i, wrapper);
                        }
                    }
                }

                private void sendSeenRecipePacket(int recipeType, PacketWrapper wrapper) throws Exception {
                    boolean open = wrapper.read(Type.BOOLEAN);
                    boolean filter = wrapper.read(Type.BOOLEAN);
                    PacketWrapper newPacket = wrapper.create(ServerboundPackets1_16_2.RECIPE_BOOK_DATA);
                    newPacket.write(Type.VAR_INT, recipeType);
                    newPacket.write(Type.BOOLEAN, open);
                    newPacket.write(Type.BOOLEAN, filter);
                    newPacket.sendToServer(Protocol1_16_1To1_16_2.class);
                }
            });
        }
    });
    new TagRewriter(this).register(ClientboundPackets1_16_2.TAGS, RegistryType.ENTITY);
    new StatisticsRewriter(this).register(ClientboundPackets1_16_2.STATISTICS);
}

Example 3 with ClientboundPackets1_16_2

use of com.viaversion.viaversion.protocols.protocol1_16_2to1_16_1.ClientboundPackets1_16_2 in project ViaVersion by ViaVersion.

the class Protocol1_17To1_16_4 method registerPackets.

@Override
protected void registerPackets() {
    entityRewriter.register();
    itemRewriter.register();
    WorldPackets.register(this);
    registerClientbound(ClientboundPackets1_16_2.TAGS, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                // Tags are now generically written with resource location - 5 different Vanilla types
                wrapper.write(Type.VAR_INT, 5);
                for (RegistryType type : RegistryType.getValues()) {
                    // Prefix with resource location
                    wrapper.write(Type.STRING, type.resourceLocation());
                    // Id conversion
                    tagRewriter.handle(wrapper, tagRewriter.getRewriter(type), tagRewriter.getNewTags(type));
                    // Stop iterating after entity types
                    if (type == RegistryType.ENTITY) {
                        break;
                    }
                }
                // New Game Event tags type
                wrapper.write(Type.STRING, RegistryType.GAME_EVENT.resourceLocation());
                wrapper.write(Type.VAR_INT, NEW_GAME_EVENT_TAGS.length);
                for (String tag : NEW_GAME_EVENT_TAGS) {
                    wrapper.write(Type.STRING, tag);
                    wrapper.write(Type.VAR_INT_ARRAY_PRIMITIVE, new int[0]);
                }
            });
        }
    });
    new StatisticsRewriter(this).register(ClientboundPackets1_16_2.STATISTICS);
    SoundRewriter soundRewriter = new SoundRewriter(this);
    soundRewriter.registerSound(ClientboundPackets1_16_2.SOUND);
    soundRewriter.registerSound(ClientboundPackets1_16_2.ENTITY_SOUND);
    registerClientbound(ClientboundPackets1_16_2.RESOURCE_PACK, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                wrapper.passthrough(Type.STRING);
                wrapper.passthrough(Type.STRING);
                // Required
                wrapper.write(Type.BOOLEAN, Via.getConfig().isForcedUse1_17ResourcePack());
                // Prompt message
                wrapper.write(Type.OPTIONAL_COMPONENT, Via.getConfig().get1_17ResourcePackPrompt());
            });
        }
    });
    registerClientbound(ClientboundPackets1_16_2.MAP_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                wrapper.passthrough(Type.VAR_INT);
                wrapper.passthrough(Type.BYTE);
                // Tracking position removed
                wrapper.read(Type.BOOLEAN);
                wrapper.passthrough(Type.BOOLEAN);
                int size = wrapper.read(Type.VAR_INT);
                // Write whether markers exists or not
                if (size != 0) {
                    wrapper.write(Type.BOOLEAN, true);
                    wrapper.write(Type.VAR_INT, size);
                } else {
                    wrapper.write(Type.BOOLEAN, false);
                }
            });
        }
    });
    registerClientbound(ClientboundPackets1_16_2.TITLE, null, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                // Title 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.TITLE_TEXT;
                        break;
                    case 1:
                        packetType = ClientboundPackets1_17.TITLE_SUBTITLE;
                        break;
                    case 2:
                        packetType = ClientboundPackets1_17.ACTIONBAR;
                        break;
                    case 3:
                        packetType = ClientboundPackets1_17.TITLE_TIMES;
                        break;
                    case 4:
                        packetType = ClientboundPackets1_17.CLEAR_TITLES;
                        // Reset times
                        wrapper.write(Type.BOOLEAN, false);
                        break;
                    case 5:
                        packetType = ClientboundPackets1_17.CLEAR_TITLES;
                        // Reset times
                        wrapper.write(Type.BOOLEAN, true);
                        break;
                    default:
                        throw new IllegalArgumentException("Invalid title type received: " + type);
                }
                wrapper.setId(packetType.getId());
            });
        }
    });
    registerClientbound(ClientboundPackets1_16_2.EXPLOSION, new PacketRemapper() {

        @Override
        public void registerMap() {
            // X
            map(Type.FLOAT);
            // Y
            map(Type.FLOAT);
            // Z
            map(Type.FLOAT);
            // Strength
            map(Type.FLOAT);
            handler(wrapper -> {
                // Collection length is now a var int
                wrapper.write(Type.VAR_INT, wrapper.read(Type.INT));
            });
        }
    });
    registerClientbound(ClientboundPackets1_16_2.SPAWN_POSITION, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.POSITION1_14);
            handler(wrapper -> {
                // Angle (which Mojang just forgot to write to the buffer, lol)
                wrapper.write(Type.FLOAT, 0f);
            });
        }
    });
    registerServerbound(ServerboundPackets1_17.CLIENT_SETTINGS, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Locale
            map(Type.STRING);
            // View distance
            map(Type.BYTE);
            // Chat mode
            map(Type.VAR_INT);
            // Chat colors
            map(Type.BOOLEAN);
            // Chat flags
            map(Type.UNSIGNED_BYTE);
            // Main hand
            map(Type.VAR_INT);
            handler(wrapper -> {
                // Text filtering
                wrapper.read(Type.BOOLEAN);
            });
        }
    });
}

Example 4 with ClientboundPackets1_16_2

use of com.viaversion.viaversion.protocols.protocol1_16_2to1_16_1.ClientboundPackets1_16_2 in project ViaBackwards by ViaVersion.

the class BlockItemPackets1_17 method registerPackets.

@Override
protected void registerPackets() {
    BlockRewriter blockRewriter = new BlockRewriter(protocol, Type.POSITION1_14);
    new RecipeRewriter1_16(protocol).registerDefaultHandler(ClientboundPackets1_17.DECLARE_RECIPES);
    registerSetCooldown(ClientboundPackets1_17.COOLDOWN);
    registerWindowItems(ClientboundPackets1_17.WINDOW_ITEMS, Type.FLAT_VAR_INT_ITEM_ARRAY);
    registerSetSlot(ClientboundPackets1_17.SET_SLOT, Type.FLAT_VAR_INT_ITEM);
    registerEntityEquipmentArray(ClientboundPackets1_17.ENTITY_EQUIPMENT, Type.FLAT_VAR_INT_ITEM);
    registerTradeList(ClientboundPackets1_17.TRADE_LIST, Type.FLAT_VAR_INT_ITEM);
    registerAdvancements(ClientboundPackets1_17.ADVANCEMENTS, Type.FLAT_VAR_INT_ITEM);
    blockRewriter.registerAcknowledgePlayerDigging(ClientboundPackets1_17.ACKNOWLEDGE_PLAYER_DIGGING);
    blockRewriter.registerBlockAction(ClientboundPackets1_17.BLOCK_ACTION);
    blockRewriter.registerEffect(ClientboundPackets1_17.EFFECT, 1010, 2001);
    registerCreativeInvAction(ServerboundPackets1_16_2.CREATIVE_INVENTORY_ACTION, Type.FLAT_VAR_INT_ITEM);
    protocol.registerServerbound(ServerboundPackets1_16_2.EDIT_BOOK, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> handleItemToServer(wrapper.passthrough(Type.FLAT_VAR_INT_ITEM)));
        }
    });
    // TODO This will cause desync issues for players under certain circumstances, but mostly works:tm:
    protocol.registerServerbound(ServerboundPackets1_16_2.CLICK_WINDOW, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Window Id
            map(Type.UNSIGNED_BYTE);
            // Slot
            map(Type.SHORT);
            // Button
            map(Type.BYTE);
            // Action id - removed
            map(Type.SHORT, Type.NOTHING);
            // Mode
            map(Type.VAR_INT);
            handler(wrapper -> {
                // The 1.17 client would check the entire inventory for changes before -> after a click and send the changed slots here
                // Empty array of slot+item
                wrapper.write(Type.VAR_INT, 0);
                // Expected is the carried item after clicking, old clients send the clicked one (*mostly* being the same)
                handleItemToServer(wrapper.passthrough(Type.FLAT_VAR_INT_ITEM));
            });
        }
    });
    protocol.registerServerbound(ServerboundPackets1_16_2.WINDOW_CONFIRMATION, null, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                wrapper.cancel();
                if (!ViaBackwards.getConfig().handlePingsAsInvAcknowledgements()) {
                    return;
                }
                // Handle ping packet replacement
                short inventoryId = wrapper.read(Type.UNSIGNED_BYTE);
                short confirmationId = wrapper.read(Type.SHORT);
                boolean accepted = wrapper.read(Type.BOOLEAN);
                if (inventoryId == 0 && accepted && wrapper.user().get(PingRequests.class).removeId(confirmationId)) {
                    PacketWrapper pongPacket = wrapper.create(ServerboundPackets1_17.PONG);
                    pongPacket.write(Type.INT, (int) confirmationId);
                    pongPacket.sendToServer(Protocol1_16_4To1_17.class);
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_17.SPAWN_PARTICLE, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Particle id
            map(Type.INT);
            // Long distance
            map(Type.BOOLEAN);
            // X
            map(Type.DOUBLE);
            // Y
            map(Type.DOUBLE);
            // Z
            map(Type.DOUBLE);
            // Offset X
            map(Type.FLOAT);
            // Offset Y
            map(Type.FLOAT);
            // Offset Z
            map(Type.FLOAT);
            // Particle data
            map(Type.FLOAT);
            // Particle count
            map(Type.INT);
            handler(wrapper -> {
                int id = wrapper.get(Type.INT, 0);
                if (id == 16) {
                    // R
                    wrapper.passthrough(Type.FLOAT);
                    // G
                    wrapper.passthrough(Type.FLOAT);
                    // B
                    wrapper.passthrough(Type.FLOAT);
                    // Scale
                    wrapper.passthrough(Type.FLOAT);
                    // Dust color transition -> Dust
                    // R
                    wrapper.read(Type.FLOAT);
                    // G
                    wrapper.read(Type.FLOAT);
                    // B
                    wrapper.read(Type.FLOAT);
                } else if (id == 37) {
                    // Vibration signal - no nice mapping possible without tracking entity positions and doing particle tasks
                    wrapper.set(Type.INT, 0, -1);
                    wrapper.cancel();
                }
            });
            handler(getSpawnParticleHandler(Type.FLAT_VAR_INT_ITEM));
        }
    });
    protocol.mergePacket(ClientboundPackets1_17.WORLD_BORDER_SIZE, ClientboundPackets1_16_2.WORLD_BORDER, 0);
    protocol.mergePacket(ClientboundPackets1_17.WORLD_BORDER_LERP_SIZE, ClientboundPackets1_16_2.WORLD_BORDER, 1);
    protocol.mergePacket(ClientboundPackets1_17.WORLD_BORDER_CENTER, ClientboundPackets1_16_2.WORLD_BORDER, 2);
    protocol.mergePacket(ClientboundPackets1_17.WORLD_BORDER_INIT, ClientboundPackets1_16_2.WORLD_BORDER, 3);
    protocol.mergePacket(ClientboundPackets1_17.WORLD_BORDER_WARNING_DELAY, ClientboundPackets1_16_2.WORLD_BORDER, 4);
    protocol.mergePacket(ClientboundPackets1_17.WORLD_BORDER_WARNING_DISTANCE, ClientboundPackets1_16_2.WORLD_BORDER, 5);
    // The Great Shrunkening
    // Chunk sections *will* be lost ¯\_(ツ)_/¯
    protocol.registerClientbound(ClientboundPackets1_17.UPDATE_LIGHT, new PacketRemapper() {

        @Override
        public void registerMap() {
            // X
            map(Type.VAR_INT);
            // Z
            map(Type.VAR_INT);
            // Trust edges
            map(Type.BOOLEAN);
            handler(wrapper -> {
                EntityTracker tracker = wrapper.user().getEntityTracker(Protocol1_16_4To1_17.class);
                int startFromSection = Math.max(0, -(tracker.currentMinY() >> 4));
                long[] skyLightMask = wrapper.read(Type.LONG_ARRAY_PRIMITIVE);
                long[] blockLightMask = wrapper.read(Type.LONG_ARRAY_PRIMITIVE);
                int cutSkyLightMask = cutLightMask(skyLightMask, startFromSection);
                int cutBlockLightMask = cutLightMask(blockLightMask, startFromSection);
                wrapper.write(Type.VAR_INT, cutSkyLightMask);
                wrapper.write(Type.VAR_INT, cutBlockLightMask);
                long[] emptySkyLightMask = wrapper.read(Type.LONG_ARRAY_PRIMITIVE);
                long[] emptyBlockLightMask = wrapper.read(Type.LONG_ARRAY_PRIMITIVE);
                wrapper.write(Type.VAR_INT, cutLightMask(emptySkyLightMask, startFromSection));
                wrapper.write(Type.VAR_INT, cutLightMask(emptyBlockLightMask, startFromSection));
                writeLightArrays(wrapper, BitSet.valueOf(skyLightMask), cutSkyLightMask, startFromSection, tracker.currentWorldSectionHeight());
                writeLightArrays(wrapper, BitSet.valueOf(blockLightMask), cutBlockLightMask, startFromSection, tracker.currentWorldSectionHeight());
            });
        }

        private void writeLightArrays(PacketWrapper wrapper, BitSet bitMask, int cutBitMask, int startFromSection, int sectionHeight) throws Exception {
            // Length - throw it away
            wrapper.read(Type.VAR_INT);
            List<byte[]> light = new ArrayList<>();
            // Remove lower bounds
            for (int i = 0; i < startFromSection; i++) {
                if (bitMask.get(i)) {
                    wrapper.read(Type.BYTE_ARRAY_PRIMITIVE);
                }
            }
            // Add the important 18 sections
            for (int i = 0; i < 18; i++) {
                if (isSet(cutBitMask, i)) {
                    light.add(wrapper.read(Type.BYTE_ARRAY_PRIMITIVE));
                }
            }
            // Remove upper bounds
            for (int i = startFromSection + 18; i < sectionHeight + 2; i++) {
                if (bitMask.get(i)) {
                    wrapper.read(Type.BYTE_ARRAY_PRIMITIVE);
                }
            }
            // Aaand we're done
            for (byte[] bytes : light) {
                wrapper.write(Type.BYTE_ARRAY_PRIMITIVE, bytes);
            }
        }

        private boolean isSet(int mask, int i) {
            return (mask & (1 << i)) != 0;
        }
    });
    protocol.registerClientbound(ClientboundPackets1_17.MULTI_BLOCK_CHANGE, new PacketRemapper() {

        public void registerMap() {
            // Chunk pos
            map(Type.LONG);
            // Suppress light updates
            map(Type.BOOLEAN);
            handler((wrapper) -> {
                // Remove sections below y 0 and above 255
                long chunkPos = wrapper.get(Type.LONG, 0);
                int chunkY = (int) (chunkPos << 44 >> 44);
                if (chunkY < 0 || chunkY > 15) {
                    wrapper.cancel();
                    return;
                }
                BlockChangeRecord[] records = wrapper.passthrough(Type.VAR_LONG_BLOCK_CHANGE_RECORD_ARRAY);
                for (BlockChangeRecord record : records) {
                    record.setBlockId(protocol.getMappingData().getNewBlockStateId(record.getBlockId()));
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_17.BLOCK_CHANGE, new PacketRemapper() {

        public void registerMap() {
            map(Type.POSITION1_14);
            map(Type.VAR_INT);
            handler((wrapper) -> {
                int y = wrapper.get(Type.POSITION1_14, 0).getY();
                if (y < 0 || y > 255) {
                    wrapper.cancel();
                    return;
                }
                wrapper.set(Type.VAR_INT, 0, protocol.getMappingData().getNewBlockStateId(wrapper.get(Type.VAR_INT, 0)));
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_17.CHUNK_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                EntityTracker tracker = wrapper.user().getEntityTracker(Protocol1_16_4To1_17.class);
                int currentWorldSectionHeight = tracker.currentWorldSectionHeight();
                Chunk chunk = wrapper.read(new Chunk1_17Type(currentWorldSectionHeight));
                wrapper.write(new Chunk1_16_2Type(), chunk);
                // Cut sections
                int startFromSection = Math.max(0, -(tracker.currentMinY() >> 4));
                chunk.setBiomeData(Arrays.copyOfRange(chunk.getBiomeData(), startFromSection * 64, (startFromSection * 64) + 1024));
                chunk.setBitmask(cutMask(chunk.getChunkMask(), startFromSection, false));
                chunk.setChunkMask(null);
                ChunkSection[] sections = Arrays.copyOfRange(chunk.getSections(), startFromSection, startFromSection + 16);
                chunk.setSections(sections);
                CompoundTag heightMaps = chunk.getHeightMap();
                for (Tag heightMapTag : heightMaps.values()) {
                    LongArrayTag heightMap = (LongArrayTag) heightMapTag;
                    int[] heightMapData = new int[256];
                    int bitsPerEntry = MathUtil.ceilLog2((currentWorldSectionHeight << 4) + 1);
                    // Shift back to 0 based and clamp to normal height with 9 bits
                    CompactArrayUtil.iterateCompactArrayWithPadding(bitsPerEntry, heightMapData.length, heightMap.getValue(), (i, v) -> heightMapData[i] = MathUtil.clamp(v + tracker.currentMinY(), 0, 255));
                    heightMap.setValue(CompactArrayUtil.createCompactArrayWithPadding(9, heightMapData.length, i -> heightMapData[i]));
                }
                for (int i = 0; i < 16; i++) {
                    ChunkSection section = sections[i];
                    if (section == null)
                        continue;
                    for (int j = 0; j < section.getPaletteSize(); j++) {
                        int old = section.getPaletteEntry(j);
                        section.setPaletteEntry(j, protocol.getMappingData().getNewBlockStateId(old));
                    }
                }
                chunk.getBlockEntities().removeIf(compound -> {
                    NumberTag tag = compound.get("y");
                    return tag != null && tag.asInt() < 0;
                });
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_17.BLOCK_ENTITY_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                int y = wrapper.passthrough(Type.POSITION1_14).getY();
                if (y < 0 || y > 255) {
                    wrapper.cancel();
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_17.BLOCK_BREAK_ANIMATION, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.VAR_INT);
            handler(wrapper -> {
                int y = wrapper.passthrough(Type.POSITION1_14).getY();
                if (y < 0 || y > 255) {
                    wrapper.cancel();
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_17.MAP_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Map ID
            map(Type.VAR_INT);
            // Scale
            map(Type.BYTE);
            // Tracking position
            handler(wrapper -> wrapper.write(Type.BOOLEAN, true));
            // Locked
            map(Type.BOOLEAN);
            handler(wrapper -> {
                boolean hasMarkers = wrapper.read(Type.BOOLEAN);
                if (!hasMarkers) {
                    // Array size
                    wrapper.write(Type.VAR_INT, 0);
                } else {
                    MapColorRewriter.getRewriteHandler(MapColorRewrites::getMappedColor).handle(wrapper);
                }
            });
        }
    });
}

Example 5 with ClientboundPackets1_16_2

use of com.viaversion.viaversion.protocols.protocol1_16_2to1_16_1.ClientboundPackets1_16_2 in project ViaBackwards by ViaVersion.

the class EntityPackets1_17 method registerPackets.

@Override
protected void registerPackets() {
    registerTrackerWithData(ClientboundPackets1_17.SPAWN_ENTITY, Entity1_17Types.FALLING_BLOCK);
    registerSpawnTracker(ClientboundPackets1_17.SPAWN_MOB);
    registerTracker(ClientboundPackets1_17.SPAWN_EXPERIENCE_ORB, Entity1_17Types.EXPERIENCE_ORB);
    registerTracker(ClientboundPackets1_17.SPAWN_PAINTING, Entity1_17Types.PAINTING);
    registerTracker(ClientboundPackets1_17.SPAWN_PLAYER, Entity1_17Types.PLAYER);
    registerMetadataRewriter(ClientboundPackets1_17.ENTITY_METADATA, Types1_17.METADATA_LIST, Types1_16.METADATA_LIST);
    protocol.registerClientbound(ClientboundPackets1_17.REMOVE_ENTITY, ClientboundPackets1_16_2.DESTROY_ENTITIES, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                int entityId = wrapper.read(Type.VAR_INT);
                tracker(wrapper.user()).removeEntity(entityId);
                // Write into single value array
                int[] array = { entityId };
                wrapper.write(Type.VAR_INT_ARRAY_PRIMITIVE, array);
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_17.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);
            // Worlds
            map(Type.STRING_ARRAY);
            // Dimension registry
            map(Type.NBT);
            // Current dimension data
            map(Type.NBT);
            // World
            map(Type.STRING);
            handler(wrapper -> {
                byte previousGamemode = wrapper.get(Type.BYTE, 0);
                if (previousGamemode == -1) {
                    // "Unset" gamemode removed
                    wrapper.set(Type.BYTE, 0, (byte) 0);
                }
            });
            handler(getTrackerHandler(Entity1_17Types.PLAYER, Type.INT));
            handler(worldDataTrackerHandler(1));
            handler(wrapper -> {
                CompoundTag registry = wrapper.get(Type.NBT, 0);
                CompoundTag biomeRegistry = registry.get("minecraft:worldgen/biome");
                ListTag biomes = biomeRegistry.get("value");
                for (Tag biome : biomes) {
                    CompoundTag biomeCompound = ((CompoundTag) biome).get("element");
                    StringTag category = biomeCompound.get("category");
                    if (category.getValue().equalsIgnoreCase("underground")) {
                        category.setValue("none");
                    }
                }
                CompoundTag dimensionRegistry = registry.get("minecraft:dimension_type");
                ListTag dimensions = dimensionRegistry.get("value");
                for (Tag dimension : dimensions) {
                    CompoundTag dimensionCompound = ((CompoundTag) dimension).get("element");
                    reduceExtendedHeight(dimensionCompound, false);
                }
                reduceExtendedHeight(wrapper.get(Type.NBT, 1), true);
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_17.RESPAWN, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Dimension data
            map(Type.NBT);
            // World
            map(Type.STRING);
            handler(worldDataTrackerHandler(0));
            handler(wrapper -> reduceExtendedHeight(wrapper.get(Type.NBT, 0), true));
        }
    });
    protocol.registerClientbound(ClientboundPackets1_17.PLAYER_POSITION, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.DOUBLE);
            map(Type.DOUBLE);
            map(Type.DOUBLE);
            map(Type.FLOAT);
            map(Type.FLOAT);
            map(Type.BYTE);
            map(Type.VAR_INT);
            handler(wrapper -> {
                // Dismount vehicle ¯\_(ツ)_/¯
                wrapper.read(Type.BOOLEAN);
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_17.ENTITY_PROPERTIES, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Entity id
            map(Type.VAR_INT);
            handler(wrapper -> {
                // Collection length
                wrapper.write(Type.INT, wrapper.read(Type.VAR_INT));
            });
        }
    });
    // TODO translatables
    protocol.mergePacket(ClientboundPackets1_17.COMBAT_ENTER, ClientboundPackets1_16_2.COMBAT_EVENT, 0);
    protocol.mergePacket(ClientboundPackets1_17.COMBAT_END, ClientboundPackets1_16_2.COMBAT_EVENT, 1);
    protocol.mergePacket(ClientboundPackets1_17.COMBAT_KILL, ClientboundPackets1_16_2.COMBAT_EVENT, 2);
}