Examples with Tag com.viaversion.viaversion.libs.opennbt.tag.builtin.Tag used on opensource projects

Example 1 with Tag

use of com.viaversion.viaversion.libs.opennbt.tag.builtin.Tag in project ViaBackwards by ViaVersion.

the class BlockItemPackets1_16 method handleItemToServer.

@Override
public Item handleItemToServer(Item item) {
    if (item == null)
        return null;
    int identifier = item.identifier();
    super.handleItemToServer(item);
    CompoundTag tag = item.tag();
    if (identifier == 771 && tag != null) {
        Tag ownerTag = tag.get("SkullOwner");
        if (ownerTag instanceof CompoundTag) {
            CompoundTag ownerCompundTag = (CompoundTag) ownerTag;
            Tag idTag = ownerCompundTag.get("Id");
            if (idTag instanceof StringTag) {
                UUID ownerUuid = UUID.fromString((String) idTag.getValue());
                ownerCompundTag.put("Id", new IntArrayTag(UUIDIntArrayType.uuidToIntArray(ownerUuid)));
            }
        }
    }
    InventoryPackets.oldToNewAttributes(item);
    enchantmentRewriter.handleToServer(item);
    return item;
}

Example 2 with Tag

use of com.viaversion.viaversion.libs.opennbt.tag.builtin.Tag in project ViaBackwards by ViaVersion.

the class BlockItemPackets1_16 method registerPackets.

@Override
protected void registerPackets() {
    BlockRewriter blockRewriter = new BlockRewriter(protocol, Type.POSITION1_14);
    RecipeRewriter1_14 recipeRewriter = new RecipeRewriter1_14(protocol);
    // Remove new smithing type, only in this handler
    protocol.registerClientbound(ClientboundPackets1_16.DECLARE_RECIPES, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                int size = wrapper.passthrough(Type.VAR_INT);
                int newSize = size;
                for (int i = 0; i < size; i++) {
                    String originalType = wrapper.read(Type.STRING);
                    String type = originalType.replace("minecraft:", "");
                    if (type.equals("smithing")) {
                        newSize--;
                        wrapper.read(Type.STRING);
                        wrapper.read(Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT);
                        wrapper.read(Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT);
                        wrapper.read(Type.FLAT_VAR_INT_ITEM);
                        continue;
                    }
                    wrapper.write(Type.STRING, originalType);
                    // Recipe Identifier
                    String id = wrapper.passthrough(Type.STRING);
                    recipeRewriter.handle(wrapper, type);
                }
                wrapper.set(Type.VAR_INT, 0, newSize);
            });
        }
    });
    registerSetCooldown(ClientboundPackets1_16.COOLDOWN);
    registerWindowItems(ClientboundPackets1_16.WINDOW_ITEMS, Type.FLAT_VAR_INT_ITEM_ARRAY);
    registerSetSlot(ClientboundPackets1_16.SET_SLOT, Type.FLAT_VAR_INT_ITEM);
    registerTradeList(ClientboundPackets1_16.TRADE_LIST, Type.FLAT_VAR_INT_ITEM);
    registerAdvancements(ClientboundPackets1_16.ADVANCEMENTS, Type.FLAT_VAR_INT_ITEM);
    blockRewriter.registerAcknowledgePlayerDigging(ClientboundPackets1_16.ACKNOWLEDGE_PLAYER_DIGGING);
    blockRewriter.registerBlockAction(ClientboundPackets1_16.BLOCK_ACTION);
    blockRewriter.registerBlockChange(ClientboundPackets1_16.BLOCK_CHANGE);
    blockRewriter.registerMultiBlockChange(ClientboundPackets1_16.MULTI_BLOCK_CHANGE);
    protocol.registerClientbound(ClientboundPackets1_16.ENTITY_EQUIPMENT, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                int entityId = wrapper.passthrough(Type.VAR_INT);
                List<EquipmentData> equipmentData = new ArrayList<>();
                byte slot;
                do {
                    slot = wrapper.read(Type.BYTE);
                    Item item = handleItemToClient(wrapper.read(Type.FLAT_VAR_INT_ITEM));
                    int rawSlot = slot & 0x7F;
                    equipmentData.add(new EquipmentData(rawSlot, item));
                } while ((slot & 0xFFFFFF80) != 0);
                // Send first data in the current packet
                EquipmentData firstData = equipmentData.get(0);
                wrapper.write(Type.VAR_INT, firstData.slot);
                wrapper.write(Type.FLAT_VAR_INT_ITEM, firstData.item);
                // If there are more items, send new packets for them
                for (int i = 1; i < equipmentData.size(); i++) {
                    PacketWrapper equipmentPacket = wrapper.create(ClientboundPackets1_15.ENTITY_EQUIPMENT);
                    EquipmentData data = equipmentData.get(i);
                    equipmentPacket.write(Type.VAR_INT, entityId);
                    equipmentPacket.write(Type.VAR_INT, data.slot);
                    equipmentPacket.write(Type.FLAT_VAR_INT_ITEM, data.item);
                    equipmentPacket.send(Protocol1_15_2To1_16.class);
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_16.UPDATE_LIGHT, new PacketRemapper() {

        @Override
        public void registerMap() {
            // x
            map(Type.VAR_INT);
            // y
            map(Type.VAR_INT);
            map(Type.BOOLEAN, Type.NOTHING);
        }
    });
    protocol.registerClientbound(ClientboundPackets1_16.CHUNK_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                Chunk chunk = wrapper.read(new Chunk1_16Type());
                wrapper.write(new Chunk1_15Type(), chunk);
                for (int i = 0; i < chunk.getSections().length; i++) {
                    ChunkSection section = chunk.getSections()[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));
                    }
                }
                CompoundTag heightMaps = chunk.getHeightMap();
                for (Tag heightMapTag : heightMaps.values()) {
                    LongArrayTag heightMap = (LongArrayTag) heightMapTag;
                    int[] heightMapData = new int[256];
                    CompactArrayUtil.iterateCompactArrayWithPadding(9, heightMapData.length, heightMap.getValue(), (i, v) -> heightMapData[i] = v);
                    heightMap.setValue(CompactArrayUtil.createCompactArray(9, heightMapData.length, i -> heightMapData[i]));
                }
                if (chunk.isBiomeData()) {
                    for (int i = 0; i < 1024; i++) {
                        int biome = chunk.getBiomeData()[i];
                        switch(biome) {
                            // new nether biomes
                            case 170:
                            case 171:
                            case 172:
                            case 173:
                                chunk.getBiomeData()[i] = 8;
                                break;
                        }
                    }
                }
                if (chunk.getBlockEntities() == null)
                    return;
                for (CompoundTag blockEntity : chunk.getBlockEntities()) {
                    handleBlockEntity(blockEntity);
                }
            });
        }
    });
    blockRewriter.registerEffect(ClientboundPackets1_16.EFFECT, 1010, 2001);
    registerSpawnParticle(ClientboundPackets1_16.SPAWN_PARTICLE, Type.FLAT_VAR_INT_ITEM, Type.DOUBLE);
    protocol.registerClientbound(ClientboundPackets1_16.WINDOW_PROPERTY, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Window id
            map(Type.UNSIGNED_BYTE);
            // Property
            map(Type.SHORT);
            // Value
            map(Type.SHORT);
            handler(wrapper -> {
                short property = wrapper.get(Type.SHORT, 0);
                if (property >= 4 && property <= 6) {
                    // Enchantment id
                    short enchantmentId = wrapper.get(Type.SHORT, 1);
                    if (enchantmentId > 11) {
                        // soul_speed
                        wrapper.set(Type.SHORT, 1, --enchantmentId);
                    } else if (enchantmentId == 11) {
                        wrapper.set(Type.SHORT, 1, (short) 9);
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_16.MAP_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Map ID
            map(Type.VAR_INT);
            // Scale
            map(Type.BYTE);
            // Tracking Position
            map(Type.BOOLEAN);
            // Locked
            map(Type.BOOLEAN);
            handler(MapColorRewriter.getRewriteHandler(MapColorRewrites::getMappedColor));
        }
    });
    protocol.registerClientbound(ClientboundPackets1_16.BLOCK_ENTITY_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                Position position = wrapper.passthrough(Type.POSITION1_14);
                short action = wrapper.passthrough(Type.UNSIGNED_BYTE);
                CompoundTag tag = wrapper.passthrough(Type.NBT);
                handleBlockEntity(tag);
            });
        }
    });
    registerClickWindow(ServerboundPackets1_14.CLICK_WINDOW, Type.FLAT_VAR_INT_ITEM);
    registerCreativeInvAction(ServerboundPackets1_14.CREATIVE_INVENTORY_ACTION, Type.FLAT_VAR_INT_ITEM);
    protocol.registerServerbound(ServerboundPackets1_14.EDIT_BOOK, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> handleItemToServer(wrapper.passthrough(Type.FLAT_VAR_INT_ITEM)));
        }
    });
}

Example 3 with Tag

use of com.viaversion.viaversion.libs.opennbt.tag.builtin.Tag in project ViaBackwards by ViaVersion.

the class Protocol1_17To1_17_1 method registerPackets.

@Override
protected void registerPackets() {
    registerClientbound(ClientboundPackets1_17_1.REMOVE_ENTITIES, null, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                int[] entityIds = wrapper.read(Type.VAR_INT_ARRAY_PRIMITIVE);
                wrapper.cancel();
                for (int entityId : entityIds) {
                    // Send individual remove packets
                    PacketWrapper newPacket = wrapper.create(ClientboundPackets1_17.REMOVE_ENTITY);
                    newPacket.write(Type.VAR_INT, entityId);
                    newPacket.send(Protocol1_17To1_17_1.class);
                }
            });
        }
    });
    registerClientbound(ClientboundPackets1_17_1.CLOSE_WINDOW, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                short containerId = wrapper.passthrough(Type.UNSIGNED_BYTE);
                wrapper.user().get(InventoryStateIds.class).removeStateId(containerId);
            });
        }
    });
    registerClientbound(ClientboundPackets1_17_1.SET_SLOT, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                short containerId = wrapper.passthrough(Type.UNSIGNED_BYTE);
                int stateId = wrapper.read(Type.VAR_INT);
                wrapper.user().get(InventoryStateIds.class).setStateId(containerId, stateId);
            });
        }
    });
    registerClientbound(ClientboundPackets1_17_1.WINDOW_ITEMS, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                short containerId = wrapper.passthrough(Type.UNSIGNED_BYTE);
                int stateId = wrapper.read(Type.VAR_INT);
                wrapper.user().get(InventoryStateIds.class).setStateId(containerId, stateId);
                // Length is encoded as a var int in 1.17.1
                wrapper.write(Type.FLAT_VAR_INT_ITEM_ARRAY, wrapper.read(Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT));
                // Carried item - should work without adding it to the array above
                wrapper.read(Type.FLAT_VAR_INT_ITEM);
            });
        }
    });
    registerServerbound(ServerboundPackets1_17.CLOSE_WINDOW, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                short containerId = wrapper.passthrough(Type.UNSIGNED_BYTE);
                wrapper.user().get(InventoryStateIds.class).removeStateId(containerId);
            });
        }
    });
    registerServerbound(ServerboundPackets1_17.CLICK_WINDOW, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                short containerId = wrapper.passthrough(Type.UNSIGNED_BYTE);
                int stateId = wrapper.user().get(InventoryStateIds.class).removeStateId(containerId);
                wrapper.write(Type.VAR_INT, stateId == Integer.MAX_VALUE ? 0 : stateId);
            });
        }
    });
    registerServerbound(ServerboundPackets1_17.EDIT_BOOK, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                Item item = wrapper.read(Type.FLAT_VAR_INT_ITEM);
                boolean signing = wrapper.read(Type.BOOLEAN);
                // Slot comes first
                wrapper.passthrough(Type.VAR_INT);
                CompoundTag tag = item.tag();
                ListTag pagesTag;
                StringTag titleTag = null;
                // Sanity checks
                if (tag == null || (pagesTag = tag.get("pages")) == null || (signing && (titleTag = tag.get("title")) == null)) {
                    // Pages length
                    wrapper.write(Type.VAR_INT, 0);
                    // Optional title
                    wrapper.write(Type.BOOLEAN, false);
                    return;
                }
                // Write pages - limit them first
                if (pagesTag.size() > MAX_PAGES) {
                    pagesTag = new ListTag(pagesTag.getValue().subList(0, MAX_PAGES));
                }
                wrapper.write(Type.VAR_INT, pagesTag.size());
                for (Tag pageTag : pagesTag) {
                    String page = ((StringTag) pageTag).getValue();
                    // Limit page length
                    if (page.length() > MAX_PAGE_LENGTH) {
                        page = page.substring(0, MAX_PAGE_LENGTH);
                    }
                    wrapper.write(Type.STRING, page);
                }
                // Write optional title
                wrapper.write(Type.BOOLEAN, signing);
                if (signing) {
                    if (titleTag == null) {
                        titleTag = tag.get("title");
                    }
                    // Limit title length
                    String title = titleTag.getValue();
                    if (title.length() > MAX_TITLE_LENGTH) {
                        title = title.substring(0, MAX_TITLE_LENGTH);
                    }
                    wrapper.write(Type.STRING, title);
                }
            });
        }
    });
}

Example 4 with Tag

use of com.viaversion.viaversion.libs.opennbt.tag.builtin.Tag in project ViaBackwards by ViaVersion.

the class BlockItemPackets1_11 method registerPackets.

@Override
protected void registerPackets() {
    protocol.registerClientbound(ClientboundPackets1_9_3.SET_SLOT, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Window ID
            map(Type.UNSIGNED_BYTE);
            // 1 - Slot ID
            map(Type.SHORT);
            // 2 - Slot Value
            map(Type.ITEM);
            handler(itemToClientHandler(Type.ITEM));
            // Handle Llama
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    if (isLlama(wrapper.user())) {
                        Optional<ChestedHorseStorage> horse = getChestedHorse(wrapper.user());
                        if (!horse.isPresent())
                            return;
                        ChestedHorseStorage storage = horse.get();
                        int currentSlot = wrapper.get(Type.SHORT, 0);
                        wrapper.set(Type.SHORT, 0, ((Integer) (currentSlot = getNewSlotId(storage, currentSlot))).shortValue());
                        wrapper.set(Type.ITEM, 0, getNewItem(storage, currentSlot, wrapper.get(Type.ITEM, 0)));
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_9_3.WINDOW_ITEMS, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Window ID
            map(Type.UNSIGNED_BYTE);
            // 1 - Window Values
            map(Type.ITEM_ARRAY);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    Item[] stacks = wrapper.get(Type.ITEM_ARRAY, 0);
                    for (int i = 0; i < stacks.length; i++) stacks[i] = handleItemToClient(stacks[i]);
                    if (isLlama(wrapper.user())) {
                        Optional<ChestedHorseStorage> horse = getChestedHorse(wrapper.user());
                        if (!horse.isPresent())
                            return;
                        ChestedHorseStorage storage = horse.get();
                        stacks = Arrays.copyOf(stacks, !storage.isChested() ? 38 : 53);
                        for (int i = stacks.length - 1; i >= 0; i--) {
                            stacks[getNewSlotId(storage, i)] = stacks[i];
                            stacks[i] = getNewItem(storage, i, stacks[i]);
                        }
                        wrapper.set(Type.ITEM_ARRAY, 0, stacks);
                    }
                }
            });
        }
    });
    registerEntityEquipment(ClientboundPackets1_9_3.ENTITY_EQUIPMENT, Type.ITEM);
    // Plugin message Packet -> Trading
    protocol.registerClientbound(ClientboundPackets1_9_3.PLUGIN_MESSAGE, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Channel
            map(Type.STRING);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    if (wrapper.get(Type.STRING, 0).equalsIgnoreCase("MC|TrList")) {
                        // Passthrough Window ID
                        wrapper.passthrough(Type.INT);
                        int size = wrapper.passthrough(Type.UNSIGNED_BYTE);
                        for (int i = 0; i < size; i++) {
                            // Input Item
                            wrapper.write(Type.ITEM, handleItemToClient(wrapper.read(Type.ITEM)));
                            // Output Item
                            wrapper.write(Type.ITEM, handleItemToClient(wrapper.read(Type.ITEM)));
                            // Has second item
                            boolean secondItem = wrapper.passthrough(Type.BOOLEAN);
                            if (secondItem) {
                                // Second Item
                                wrapper.write(Type.ITEM, handleItemToClient(wrapper.read(Type.ITEM)));
                            }
                            // Trade disabled
                            wrapper.passthrough(Type.BOOLEAN);
                            // Number of tools uses
                            wrapper.passthrough(Type.INT);
                            // Maximum number of trade uses
                            wrapper.passthrough(Type.INT);
                        }
                    }
                }
            });
        }
    });
    protocol.registerServerbound(ServerboundPackets1_9_3.CLICK_WINDOW, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Window ID
            map(Type.UNSIGNED_BYTE);
            // 1 - Slot
            map(Type.SHORT);
            // 2 - Button
            map(Type.BYTE);
            // 3 - Action number
            map(Type.SHORT);
            // 4 - Mode
            map(Type.VAR_INT);
            // 5 - Clicked Item
            map(Type.ITEM);
            handler(itemToServerHandler(Type.ITEM));
            // Llama slot
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    if (isLlama(wrapper.user())) {
                        Optional<ChestedHorseStorage> horse = getChestedHorse(wrapper.user());
                        if (!horse.isPresent())
                            return;
                        ChestedHorseStorage storage = horse.get();
                        int clickSlot = wrapper.get(Type.SHORT, 0);
                        int correctSlot = getOldSlotId(storage, clickSlot);
                        wrapper.set(Type.SHORT, 0, ((Integer) correctSlot).shortValue());
                    }
                }
            });
        }
    });
    registerCreativeInvAction(ServerboundPackets1_9_3.CREATIVE_INVENTORY_ACTION, Type.ITEM);
    protocol.registerClientbound(ClientboundPackets1_9_3.CHUNK_DATA, new PacketRemapper() {

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

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    ClientWorld clientWorld = wrapper.user().get(ClientWorld.class);
                    // Use the 1.10 Chunk type since nothing changed.
                    Chunk1_9_3_4Type type = new Chunk1_9_3_4Type(clientWorld);
                    Chunk chunk = wrapper.passthrough(type);
                    handleChunk(chunk);
                    // only patch it for signs for now
                    for (CompoundTag tag : chunk.getBlockEntities()) {
                        Tag idTag = tag.get("id");
                        if (!(idTag instanceof StringTag))
                            continue;
                        String id = (String) idTag.getValue();
                        if (id.equals("minecraft:sign")) {
                            ((StringTag) idTag).setValue("Sign");
                        }
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_9_3.BLOCK_CHANGE, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Block Position
            map(Type.POSITION);
            // 1 - Block
            map(Type.VAR_INT);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int idx = wrapper.get(Type.VAR_INT, 0);
                    wrapper.set(Type.VAR_INT, 0, handleBlockID(idx));
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_9_3.MULTI_BLOCK_CHANGE, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Chunk X
            map(Type.INT);
            // 1 - Chunk Z
            map(Type.INT);
            map(Type.BLOCK_CHANGE_RECORD_ARRAY);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    for (BlockChangeRecord record : wrapper.get(Type.BLOCK_CHANGE_RECORD_ARRAY, 0)) {
                        record.setBlockId(handleBlockID(record.getBlockId()));
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_9_3.BLOCK_ENTITY_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Position
            map(Type.POSITION);
            // 1 - Action
            map(Type.UNSIGNED_BYTE);
            // 2 - NBT
            map(Type.NBT);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    // Remove on shulkerbox decleration
                    if (wrapper.get(Type.UNSIGNED_BYTE, 0) == 10) {
                        wrapper.cancel();
                    }
                    // Handler Spawners
                    if (wrapper.get(Type.UNSIGNED_BYTE, 0) == 1) {
                        CompoundTag tag = wrapper.get(Type.NBT, 0);
                        EntityIdRewriter.toClientSpawner(tag, true);
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_9_3.OPEN_WINDOW, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Window ID
            map(Type.UNSIGNED_BYTE);
            // 1 - Window Type
            map(Type.STRING);
            // 2 - Title
            map(Type.COMPONENT);
            // 3 - Slots
            map(Type.UNSIGNED_BYTE);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int entityId = -1;
                    // Passthrough Entity ID
                    if (wrapper.get(Type.STRING, 0).equals("EntityHorse")) {
                        entityId = wrapper.passthrough(Type.INT);
                    }
                    // Track Inventory
                    String inventory = wrapper.get(Type.STRING, 0);
                    WindowTracker windowTracker = wrapper.user().get(WindowTracker.class);
                    windowTracker.setInventory(inventory);
                    windowTracker.setEntityId(entityId);
                    // Change llama slotcount to the donkey one
                    if (isLlama(wrapper.user())) {
                        wrapper.set(Type.UNSIGNED_BYTE, 1, (short) 17);
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_9_3.CLOSE_WINDOW, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Inventory tracking
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    WindowTracker windowTracker = wrapper.user().get(WindowTracker.class);
                    windowTracker.setInventory(null);
                    windowTracker.setEntityId(-1);
                }
            });
        }
    });
    protocol.registerServerbound(ServerboundPackets1_9_3.CLOSE_WINDOW, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Inventory tracking
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    WindowTracker windowTracker = wrapper.user().get(WindowTracker.class);
                    windowTracker.setInventory(null);
                    windowTracker.setEntityId(-1);
                }
            });
        }
    });
    protocol.getEntityRewriter().filter().handler((event, meta) -> {
        if (// Is Item
        meta.metaType().type().equals(Type.ITEM))
            meta.setValue(handleItemToClient((Item) meta.getValue()));
    });
}

Example 5 with Tag

use of com.viaversion.viaversion.libs.opennbt.tag.builtin.Tag in project ViaBackwards by ViaVersion.

the class BlockItemPackets1_13 method handleItemToServer.

@Override
public Item handleItemToServer(Item item) {
    if (item == null)
        return null;
    CompoundTag tag = item.tag();
    // Save original id
    int originalId = (item.identifier() << 16 | item.data() & 0xFFFF);
    int rawId = (item.identifier() << 4 | item.data() & 0xF);
    // NBT Additions
    if (isDamageable(item.identifier())) {
        if (tag == null)
            item.setTag(tag = new CompoundTag());
        tag.put("Damage", new IntTag(item.data()));
    }
    if (item.identifier() == 358) {
        // map
        if (tag == null)
            item.setTag(tag = new CompoundTag());
        tag.put("map", new IntTag(item.data()));
    }
    // NBT Changes
    if (tag != null) {
        // Shield and banner
        invertShieldAndBannerId(item, tag);
        // Display Name now uses JSON
        Tag display = tag.get("display");
        if (display instanceof CompoundTag) {
            CompoundTag displayTag = (CompoundTag) display;
            StringTag name = displayTag.get("Name");
            if (name != null) {
                StringTag via = displayTag.remove(extraNbtTag + "|Name");
                name.setValue(via != null ? via.getValue() : ChatRewriter.legacyTextToJsonString(name.getValue()));
            }
        }
        // ench is now Enchantments and now uses identifiers
        rewriteEnchantmentsToServer(tag, false);
        rewriteEnchantmentsToServer(tag, true);
        rewriteCanPlaceToServer(tag, "CanPlaceOn");
        rewriteCanPlaceToServer(tag, "CanDestroy");
        // Handle SpawnEggs
        if (item.identifier() == 383) {
            CompoundTag entityTag = tag.get("EntityTag");
            StringTag identifier;
            if (entityTag != null && (identifier = entityTag.get("id")) != null) {
                rawId = SpawnEggRewriter.getSpawnEggId(identifier.getValue());
                if (rawId == -1) {
                    // Bat fallback
                    rawId = 25100288;
                } else {
                    entityTag.remove("id");
                    if (entityTag.isEmpty()) {
                        tag.remove("EntityTag");
                    }
                }
            } else {
                // Fallback to bat
                rawId = 25100288;
            }
        }
        if (tag.isEmpty()) {
            item.setTag(tag = null);
        }
    }
    // Handle custom mappings
    int identifier = item.identifier();
    item.setIdentifier(rawId);
    super.handleItemToServer(item);
    // Mapped with original data, we can return here
    if (item.identifier() != rawId && item.identifier() != -1)
        return item;
    // Set to legacy id again
    item.setIdentifier(identifier);
    int newId = -1;
    if (!protocol.getMappingData().getItemMappings().inverse().containsKey(rawId)) {
        if (!isDamageable(item.identifier()) && item.identifier() != 358) {
            // Map
            if (tag == null)
                item.setTag(tag = new CompoundTag());
            // Data will be lost, saving original id
            tag.put(extraNbtTag, new IntTag(originalId));
        }
        if (item.identifier() == 229) {
            // purple shulker box
            // directly set the new id -> base/colorless shulker box
            newId = 362;
        } else if (item.identifier() == 31 && item.data() == 0) {
            // Shrub was removed
            // Dead Bush
            rawId = 32 << 4;
        } else if (protocol.getMappingData().getItemMappings().inverse().containsKey(rawId & ~0xF)) {
            // Remove data
            rawId &= ~0xF;
        } else {
            if (!Via.getConfig().isSuppressConversionWarnings() || Via.getManager().isDebug()) {
                ViaBackwards.getPlatform().getLogger().warning("Failed to get 1.13 item for " + item.identifier());
            }
            // Stone
            rawId = 16;
        }
    }
    if (newId == -1) {
        newId = protocol.getMappingData().getItemMappings().inverse().get(rawId);
    }
    item.setIdentifier(newId);
    item.setData((short) 0);
    return item;
}