Examples with ListTag com.github.steveice10.opennbt.tag.builtin.ListTag used on opensource projects

Example 21 with ListTag

use of com.github.steveice10.opennbt.tag.builtin.ListTag in project ViaVersion by ViaVersion.

the class BannerHandler method transform.

@Override
public int transform(UserConnection user, CompoundTag tag) {
    BlockStorage storage = user.get(BlockStorage.class);
    Position position = new Position((int) getLong(tag.get("x")), (short) getLong(tag.get("y")), (int) getLong(tag.get("z")));
    if (!storage.contains(position)) {
        Via.getPlatform().getLogger().warning("Received an banner color update packet, but there is no banner! O_o " + tag);
        return -1;
    }
    int blockId = storage.get(position).getOriginal();
    Tag base = tag.get("Base");
    int color = 0;
    if (base != null) {
        color = ((NumberTag) tag.get("Base")).asInt();
    }
    // Standing banner
    if (blockId >= BANNER_START && blockId <= BANNER_STOP) {
        blockId += ((15 - color) * 16);
    // Wall banner
    } else if (blockId >= WALL_BANNER_START && blockId <= WALL_BANNER_STOP) {
        blockId += ((15 - color) * 4);
    } else {
        Via.getPlatform().getLogger().warning("Why does this block have the banner block entity? :(" + tag);
    }
    if (tag.get("Patterns") instanceof ListTag) {
        for (Tag pattern : (ListTag) tag.get("Patterns")) {
            if (pattern instanceof CompoundTag) {
                Tag c = ((CompoundTag) pattern).get("Color");
                if (c instanceof IntTag) {
                    // Invert color id
                    ((IntTag) c).setValue(15 - (int) c.getValue());
                }
            }
        }
    }
    Tag name = tag.get("CustomName");
    if (name instanceof StringTag) {
        ((StringTag) name).setValue(ChatRewriter.legacyTextToJsonString(((StringTag) name).getValue()));
    }
    return blockId;
}

Example 22 with ListTag

use of com.github.steveice10.opennbt.tag.builtin.ListTag 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 23 with ListTag

use of com.github.steveice10.opennbt.tag.builtin.ListTag in project ViaVersion by ViaVersion.

the class ItemRewriter method toClient.

public static void toClient(Item item) {
    if (item != null) {
        if (item.identifier() == 383 && item.data() != 0) {
            // Monster Egg
            CompoundTag tag = item.tag();
            if (tag == null) {
                tag = new CompoundTag();
            }
            CompoundTag entityTag = new CompoundTag();
            String entityName = ENTTIY_ID_TO_NAME.get((int) item.data());
            if (entityName != null) {
                StringTag id = new StringTag(entityName);
                entityTag.put("id", id);
                tag.put("EntityTag", entityTag);
            }
            item.setTag(tag);
            item.setData((short) 0);
        }
        if (item.identifier() == 373) {
            // Potion
            CompoundTag tag = item.tag();
            if (tag == null) {
                tag = new CompoundTag();
            }
            if (item.data() >= 16384) {
                // splash id
                item.setIdentifier(438);
                item.setData((short) (item.data() - 8192));
            }
            String name = potionNameFromDamage(item.data());
            StringTag potion = new StringTag("minecraft:" + name);
            tag.put("Potion", potion);
            item.setTag(tag);
            item.setData((short) 0);
        }
        if (item.identifier() == 387) {
            // WRITTEN_BOOK
            CompoundTag tag = item.tag();
            if (tag == null) {
                tag = new CompoundTag();
            }
            ListTag pages = tag.get("pages");
            if (pages == null) {
                pages = new ListTag(Collections.singletonList(new StringTag(Protocol1_9To1_8.fixJson("").toString())));
                tag.put("pages", pages);
                item.setTag(tag);
                return;
            }
            for (int i = 0; i < pages.size(); i++) {
                if (!(pages.get(i) instanceof StringTag))
                    continue;
                StringTag page = pages.get(i);
                page.setValue(Protocol1_9To1_8.fixJson(page.getValue()).toString());
            }
            item.setTag(tag);
        }
    }
}

Example 24 with ListTag

use of com.github.steveice10.opennbt.tag.builtin.ListTag in project ViaVersion by ViaVersion.

the class ItemRewriter method rewriteBookToServer.

public static void rewriteBookToServer(Item item) {
    int id = item.identifier();
    if (id != 387) {
        return;
    }
    CompoundTag tag = item.tag();
    ListTag pages = tag.get("pages");
    if (pages == null) {
        // is this even possible?
        return;
    }
    for (int i = 0; i < pages.size(); i++) {
        Tag pageTag = pages.get(i);
        if (!(pageTag instanceof StringTag)) {
            continue;
        }
        StringTag stag = (StringTag) pageTag;
        String value = stag.getValue();
        if (value.replaceAll(" ", "").isEmpty()) {
            value = "\"" + fixBookSpaceChars(value) + "\"";
        } else {
            value = fixBookSpaceChars(value);
        }
        stag.setValue(value);
    }
}

Example 25 with ListTag

use of com.github.steveice10.opennbt.tag.builtin.ListTag in project ViaVersion by ViaVersion.

the class TagStringReader method list.

public ListTag list() throws StringTagParseException {
    final ListTag listTag = new ListTag();
    this.buffer.expect(Tokens.ARRAY_BEGIN);
    final boolean prefixedIndex = this.acceptLegacy && this.buffer.peek() == '0' && this.buffer.peek(1) == ':';
    if (!prefixedIndex && this.buffer.takeIf(Tokens.ARRAY_END)) {
        return listTag;
    }
    while (this.buffer.hasMore()) {
        if (prefixedIndex) {
            this.buffer.takeUntil(':');
        }
        final Tag next = this.tag();
        listTag.add(next);
        if (this.separatorOrCompleteWith(Tokens.ARRAY_END)) {
            return listTag;
        }
    }
    throw this.buffer.makeError("Reached end of file without end of list tag!");
}