Java Code Examples for cn.nukkit.nbt.NBTIO#write()

public void spawnTo(Player player) {
    if (this.closed) {
        return;
    }

    CompoundTag tag = this.getSpawnCompound();
    BlockEntityDataPacket pk = new BlockEntityDataPacket();
    pk.x = (int) this.x;
    pk.y = (int) this.y;
    pk.z = (int) this.z;
    try {
        pk.namedTag = NBTIO.write(tag, ByteOrder.LITTLE_ENDIAN, true);
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
    player.dataPacket(pk);
}
 

@Override
public void onOpen(Player who) {
    CompoundTag nbt = this.getHolder().getOffers();
    if (nbt != null) {
        super.onOpen(who);

        UpdateTradePacket pk1 = new UpdateTradePacket();
        pk1.windowId = (byte) who.getWindowId(this);
        pk1.windowType = 15;
        pk1.unknownVarInt1 = 0;
        pk1.unknownVarInt2 = 0;
        pk1.isWilling = false;
        pk1.trader = this.getHolder().getId();
        pk1.player = who.getId();
        pk1.displayName = this.getHolder().getName();
        try {
            pk1.offers = NBTIO.write(nbt, ByteOrder.LITTLE_ENDIAN, true);
        } catch (IOException e) {
            e.printStackTrace();
        }
        who.dataPacket(pk1);
    } else {
        super.onClose(who);
    }
}
 

public void spawnTo(Player player) {
    if (this.closed) {
        return;
    }

    CompoundTag tag = this.getSpawnCompound();
    BlockEntityDataPacket pk = new BlockEntityDataPacket();
    pk.x = (int) this.x;
    pk.y = (int) this.y;
    pk.z = (int) this.z;
    try {
        pk.namedTag = NBTIO.write(tag, ByteOrder.LITTLE_ENDIAN, true);
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
    player.dataPacket(pk);
}
 

public void spawnTo(Player player) {
    if (this.closed) {
        return;
    }

    CompoundTag tag = this.getSpawnCompound();
    BlockEntityDataPacket pk = new BlockEntityDataPacket();
    pk.x = (int) this.x;
    pk.y = (int) this.y;
    pk.z = (int) this.z;
    try {
        pk.namedTag = NBTIO.write(tag, ByteOrder.LITTLE_ENDIAN, true);
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
    player.dataPacket(pk);
}
 

@Override
public void saveLevelData() {
    try {
        byte[] data = NBTIO.write(levelData, ByteOrder.LITTLE_ENDIAN);
        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
        outputStream.write(Binary.writeLInt(3));
        outputStream.write(Binary.writeLInt(data.length));
        outputStream.write(data);

        Utils.writeFile(path + "level.dat", new ByteArrayInputStream(outputStream.toByteArray()));
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}
 

@Override
public void saveLevelData() {
    try {
        byte[] data = NBTIO.write(levelData, ByteOrder.LITTLE_ENDIAN);
        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
        outputStream.write(Binary.writeLInt(3));
        outputStream.write(Binary.writeLInt(data.length));
        outputStream.write(data);

        Utils.writeFile(path + "level.dat", new ByteArrayInputStream(outputStream.toByteArray()));
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}
 

public byte[] writeCompoundTag(CompoundTag tag) {
    try {
        tag.setName("");
        return NBTIO.write(tag, ByteOrder.LITTLE_ENDIAN);
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}
 

public byte[] writeCompoundTag(CompoundTag tag) {
    try {
        tag.setName("");
        return NBTIO.write(tag, ByteOrder.LITTLE_ENDIAN);
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}
 

public byte[] writeCompoundTag(CompoundTag tag) {
    try {
        tag.setName("");
        return NBTIO.write(tag, ByteOrder.LITTLE_ENDIAN);
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}
 

@Override
public void saveLevelData() {
    try {
        byte[] data = NBTIO.write(levelData, ByteOrder.LITTLE_ENDIAN);
        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
        outputStream.write(Binary.writeLInt(3));
        outputStream.write(Binary.writeLInt(data.length));
        outputStream.write(data);

        Utils.writeFile(path + "level.dat", new ByteArrayInputStream(outputStream.toByteArray()));
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}
 

public static void generate(String path, String name, long seed, Class<? extends Generator> generator, Map<String, String> options) throws IOException {
    if (!new File(path + "/db").exists()) {
        new File(path + "/db").mkdirs();
    }

    CompoundTag levelData = new CompoundTag("")
            .putLong("currentTick", 0)
            .putInt("DayCycleStopTime", -1)
            .putInt("GameType", 0)
            .putInt("Generator", Generator.getGeneratorType(generator))
            .putBoolean("hasBeenLoadedInCreative", false)
            .putLong("LastPlayed", System.currentTimeMillis() / 1000)
            .putString("LevelName", name)
            .putFloat("lightningLevel", 0)
            .putInt("lightningTime", new Random().nextInt())
            .putInt("limitedWorldOriginX", 128)
            .putInt("limitedWorldOriginY", 70)
            .putInt("limitedWorldOriginZ", 128)
            .putInt("Platform", 0)
            .putFloat("rainLevel", 0)
            .putInt("rainTime", new Random().nextInt())
            .putLong("RandomSeed", seed)
            .putByte("spawnMobs", 0)
            .putInt("SpawnX", 128)
            .putInt("SpawnY", 70)
            .putInt("SpawnZ", 128)
            .putInt("storageVersion", 4)
            .putLong("Time", 0)
            .putLong("worldStartCount", ((long) Integer.MAX_VALUE) & 0xffffffffL);

    byte[] data = NBTIO.write(levelData, ByteOrder.LITTLE_ENDIAN);
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    outputStream.write(Binary.writeLInt(3));
    outputStream.write(Binary.writeLInt(data.length));
    outputStream.write(data);

    Utils.writeFile(path + "level.dat", new ByteArrayInputStream(outputStream.toByteArray()));

    DB db = Iq80DBFactory.factory.open(new File(path + "/db"), new Options().createIfMissing(true));
    db.close();
}
 

@Override
public byte[] toFastBinary() {
    CompoundTag nbt = this.getNBT().copy();
    nbt.remove("BiomeColors");

    nbt.putInt("xPos", this.getX());
    nbt.putInt("zPos", this.getZ());

    nbt.putByteArray("Biomes", this.getBiomeIdArray());
    int[] heightInts = new int[256];
    byte[] heightBytes = this.getHeightMapArray();
    for (int i = 0; i < heightInts.length; i++) {
        heightInts[i] = heightBytes[i] & 0xFF;
    }

    for (cn.nukkit.level.format.ChunkSection section : this.getSections()) {
        if (section instanceof EmptyChunkSection) {
            continue;
        }
        CompoundTag s = new CompoundTag(null);
        s.putByte("Y", section.getY());
        s.putByteArray("Blocks", section.getIdArray());
        s.putByteArray("Data", section.getDataArray());
        s.putByteArray("BlockLight", section.getLightArray());
        s.putByteArray("SkyLight", section.getSkyLightArray());
        nbt.getList("Sections", CompoundTag.class).add(s);
    }

    ArrayList<CompoundTag> entities = new ArrayList<>();
    for (Entity entity : this.getEntities().values()) {
        if (!(entity instanceof Player) && !entity.closed) {
            entity.saveNBT();
            entities.add(entity.namedTag);
        }
    }
    ListTag<CompoundTag> entityListTag = new ListTag<>("Entities");
    entityListTag.setAll(entities);
    nbt.putList(entityListTag);

    ArrayList<CompoundTag> tiles = new ArrayList<>();
    for (BlockEntity blockEntity : this.getBlockEntities().values()) {
        blockEntity.saveNBT();
        tiles.add(blockEntity.namedTag);
    }
    ListTag<CompoundTag> tileListTag = new ListTag<>("TileEntities");
    tileListTag.setAll(tiles);
    nbt.putList(tileListTag);

    Set<BlockUpdateEntry> entries = this.provider.getLevel().getPendingBlockUpdates(this);

    if (entries != null) {
        ListTag<CompoundTag> tileTickTag = new ListTag<>("TileTicks");
        long totalTime = this.provider.getLevel().getCurrentTick();

        for (BlockUpdateEntry entry : entries) {
            CompoundTag entryNBT = new CompoundTag()
                    .putString("i", entry.block.getSaveId())
                    .putInt("x", entry.pos.getFloorX())
                    .putInt("y", entry.pos.getFloorY())
                    .putInt("z", entry.pos.getFloorZ())
                    .putInt("t", (int) (entry.delay - totalTime))
                    .putInt("p", entry.priority);
            tileTickTag.add(entryNBT);
        }

        nbt.putList(tileTickTag);
    }

    BinaryStream extraData = new BinaryStream();
    Map<Integer, Integer> extraDataArray = this.getBlockExtraDataArray();
    extraData.putInt(extraDataArray.size());
    for (Integer key : extraDataArray.keySet()) {
        extraData.putInt(key);
        extraData.putShort(extraDataArray.get(key));
    }

    nbt.putByteArray("ExtraData", extraData.getBuffer());

    CompoundTag chunk = new CompoundTag("");
    chunk.putCompound("Level", nbt);

    try {
        return NBTIO.write(chunk, ByteOrder.BIG_ENDIAN);
    } catch (IOException e) {
        throw new RuntimeException(e);
    }

}
 

@Override
public byte[] toFastBinary() {
    CompoundTag nbt = this.getNBT().copy();
    nbt.putInt("xPos", this.x);
    nbt.putInt("zPos", this.z);

    nbt.putIntArray("BiomeColors", this.getBiomeColorArray());
    nbt.putIntArray("HeightMap", this.getHeightMapArray());

    for (cn.nukkit.level.format.ChunkSection section : this.getSections()) {
        if (section instanceof EmptyChunkSection) {
            continue;
        }
        CompoundTag s = new CompoundTag(null);
        s.putByte("Y", section.getY());
        s.putByteArray("Blocks", section.getIdArray());
        s.putByteArray("Data", section.getDataArray());
        s.putByteArray("BlockLight", section.getLightArray());
        s.putByteArray("SkyLight", section.getSkyLightArray());
        nbt.getList("Sections", CompoundTag.class).add(s);
    }

    ArrayList<CompoundTag> entities = new ArrayList<>();
    for (Entity entity : this.getEntities().values()) {
        if (!(entity instanceof Player) && !entity.closed) {
            entity.saveNBT();
            entities.add(entity.namedTag);
        }
    }
    ListTag<CompoundTag> entityListTag = new ListTag<>("Entities");
    entityListTag.setAll(entities);
    nbt.putList(entityListTag);

    ArrayList<CompoundTag> tiles = new ArrayList<>();
    for (BlockEntity blockEntity : this.getBlockEntities().values()) {
        blockEntity.saveNBT();
        tiles.add(blockEntity.namedTag);
    }
    ListTag<CompoundTag> tileListTag = new ListTag<>("TileEntities");
    tileListTag.setAll(tiles);
    nbt.putList(tileListTag);

    List<BlockUpdateEntry> entries = this.provider.getLevel().getPendingBlockUpdates(this);

    if (entries != null) {
        ListTag<CompoundTag> tileTickTag = new ListTag<>("TileTicks");
        long totalTime = this.provider.getLevel().getCurrentTick();

        for (BlockUpdateEntry entry : entries) {
            CompoundTag entryNBT = new CompoundTag()
                    .putString("i", entry.block.getClass().getSimpleName())
                    .putInt("x", entry.pos.getFloorX())
                    .putInt("y", entry.pos.getFloorY())
                    .putInt("z", entry.pos.getFloorZ())
                    .putInt("t", (int) (entry.delay - totalTime))
                    .putInt("p", entry.priority);
            tileTickTag.add(entryNBT);
        }

        nbt.putList(tileTickTag);
    }

    BinaryStream extraData = new BinaryStream();
    Map<Integer, Integer> extraDataArray = this.getBlockExtraDataArray();
    extraData.putInt(extraDataArray.size());
    for (Integer key : extraDataArray.keySet()) {
        extraData.putInt(key);
        extraData.putShort(extraDataArray.get(key));
    }

    nbt.putByteArray("ExtraData", extraData.getBuffer());

    CompoundTag chunk = new CompoundTag("");
    chunk.putCompound("Level", nbt);

    try {
        return NBTIO.write(chunk, ByteOrder.BIG_ENDIAN);
    } catch (IOException e) {
        throw new RuntimeException(e);
    }

}
 

public static void generate(String path, String name, long seed, Class<? extends Generator> generator, Map<String, String> options) throws IOException {
    if (!new File(path + "/db").exists()) {
        new File(path + "/db").mkdirs();
    }

    CompoundTag levelData = new CompoundTag("")
            .putLong("currentTick", 0)
            .putInt("DayCycleStopTime", -1)
            .putInt("GameType", 0)
            .putInt("Generator", Generator.getGeneratorType(generator))
            .putBoolean("hasBeenLoadedInCreative", false)
            .putLong("LastPlayed", System.currentTimeMillis() / 1000)
            .putString("LevelName", name)
            .putFloat("lightningLevel", 0)
            .putInt("lightningTime", new Random().nextInt())
            .putInt("limitedWorldOriginX", 128)
            .putInt("limitedWorldOriginY", 70)
            .putInt("limitedWorldOriginZ", 128)
            .putInt("Platform", 0)
            .putFloat("rainLevel", 0)
            .putInt("rainTime", new Random().nextInt())
            .putLong("RandomSeed", seed)
            .putByte("spawnMobs", 0)
            .putInt("SpawnX", 128)
            .putInt("SpawnY", 70)
            .putInt("SpawnZ", 128)
            .putInt("storageVersion", 4)
            .putLong("Time", 0)
            .putLong("worldStartCount", ((long) Integer.MAX_VALUE) & 0xffffffffL);

    byte[] data = NBTIO.write(levelData, ByteOrder.LITTLE_ENDIAN);
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    outputStream.write(Binary.writeLInt(3));
    outputStream.write(Binary.writeLInt(data.length));
    outputStream.write(data);

    Utils.writeFile(path + "level.dat", new ByteArrayInputStream(outputStream.toByteArray()));

    DB db = Iq80DBFactory.factory.open(new File(path + "/db"), new Options().createIfMissing(true));
    db.close();
}
 

@Override
public AsyncTask requestChunkTask(int x, int z) {
    Chunk chunk = this.getChunk(x, z, false);
    if (chunk == null) {
        throw new ChunkException("Invalid Chunk sent");
    }

    long timestamp = chunk.getChanges();

    byte[] tiles = new byte[0];

    if (!chunk.getBlockEntities().isEmpty()) {
        List<CompoundTag> tagList = new ArrayList<>();

        for (BlockEntity blockEntity : chunk.getBlockEntities().values()) {
            if (blockEntity instanceof BlockEntitySpawnable) {
                tagList.add(((BlockEntitySpawnable) blockEntity).getSpawnCompound());
            }
        }

        try {
            tiles = NBTIO.write(tagList, ByteOrder.LITTLE_ENDIAN);
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }

    Map<Integer, Integer> extra = chunk.getBlockExtraDataArray();
    BinaryStream extraData;
    if (!extra.isEmpty()) {
        extraData = new BinaryStream();
        extraData.putLInt(extra.size());
        for (Integer key : extra.values()) {
            extraData.putLInt(key);
            extraData.putLShort(extra.get(key));
        }
    } else {
        extraData = null;
    }

    BinaryStream stream = new BinaryStream();
    stream.put(chunk.getBlockIdArray());
    stream.put(chunk.getBlockDataArray());
    stream.put(chunk.getBlockSkyLightArray());
    stream.put(chunk.getBlockLightArray());
    stream.put(chunk.getHeightMapArray());
    for (int color : chunk.getBiomeColorArray()) {
        stream.put(Binary.writeInt(color));
    }
    if (extraData != null) {
        stream.put(extraData.getBuffer());
    } else {
        stream.putLInt(0);
    }
    stream.put(tiles);

    this.getLevel().chunkRequestCallback(timestamp, x, z, stream.getBuffer());

    return null;
}
 

@Override
public byte[] toFastBinary() {
    CompoundTag nbt = this.getNBT().copy();
    nbt.putInt("xPos", this.getX());
    nbt.putInt("zPos", this.getZ());

    nbt.putIntArray("BiomeColors", this.getBiomeColorArray());
    int[] heightInts = new int[256];
    byte[] heightBytes = this.getHeightMapArray();
    for (int i = 0; i < heightInts.length; i++) {
        heightInts[i] = heightBytes[i] & 0xFF;
    }

    for (cn.nukkit.level.format.ChunkSection section : this.getSections()) {
        if (section instanceof EmptyChunkSection) {
            continue;
        }
        CompoundTag s = new CompoundTag(null);
        s.putByte("Y", section.getY());
        s.putByteArray("Blocks", section.getIdArray());
        s.putByteArray("Data", section.getDataArray());
        s.putByteArray("BlockLight", section.getLightArray());
        s.putByteArray("SkyLight", section.getSkyLightArray());
        nbt.getList("Sections", CompoundTag.class).add(s);
    }

    ArrayList<CompoundTag> entities = new ArrayList<>();
    for (Entity entity : this.getEntities().values()) {
        if (!(entity instanceof Player) && !entity.closed) {
            entity.saveNBT();
            entities.add(entity.namedTag);
        }
    }
    ListTag<CompoundTag> entityListTag = new ListTag<>("Entities");
    entityListTag.setAll(entities);
    nbt.putList(entityListTag);

    ArrayList<CompoundTag> tiles = new ArrayList<>();
    for (BlockEntity blockEntity : this.getBlockEntities().values()) {
        blockEntity.saveNBT();
        tiles.add(blockEntity.namedTag);
    }
    ListTag<CompoundTag> tileListTag = new ListTag<>("TileEntities");
    tileListTag.setAll(tiles);
    nbt.putList(tileListTag);

    Set<BlockUpdateEntry> entries = this.provider.getLevel().getPendingBlockUpdates(this);

    if (entries != null) {
        ListTag<CompoundTag> tileTickTag = new ListTag<>("TileTicks");
        long totalTime = this.provider.getLevel().getCurrentTick();

        for (BlockUpdateEntry entry : entries) {
            CompoundTag entryNBT = new CompoundTag()
                    .putString("i", entry.block.getSaveId())
                    .putInt("x", entry.pos.getFloorX())
                    .putInt("y", entry.pos.getFloorY())
                    .putInt("z", entry.pos.getFloorZ())
                    .putInt("t", (int) (entry.delay - totalTime))
                    .putInt("p", entry.priority);
            tileTickTag.add(entryNBT);
        }

        nbt.putList(tileTickTag);
    }

    BinaryStream extraData = new BinaryStream();
    Map<Integer, Integer> extraDataArray = this.getBlockExtraDataArray();
    extraData.putInt(extraDataArray.size());
    for (Integer key : extraDataArray.keySet()) {
        extraData.putInt(key);
        extraData.putShort(extraDataArray.get(key));
    }

    nbt.putByteArray("ExtraData", extraData.getBuffer());

    CompoundTag chunk = new CompoundTag("");
    chunk.putCompound("Level", nbt);

    try {
        return NBTIO.write(chunk, ByteOrder.BIG_ENDIAN);
    } catch (IOException e) {
        throw new RuntimeException(e);
    }

}
 

public static void generate(String path, String name, long seed, Class<? extends Generator> generator, Map<String, String> options) throws IOException {
    if (!new File(path + "/db").exists()) {
        new File(path + "/db").mkdirs();
    }

    CompoundTag levelData = new CompoundTag("")
            .putLong("currentTick", 0)
            .putInt("DayCycleStopTime", -1)
            .putInt("GameType", 0)
            .putInt("Generator", Generator.getGeneratorType(generator))
            .putBoolean("hasBeenLoadedInCreative", false)
            .putLong("LastPlayed", System.currentTimeMillis() / 1000)
            .putString("LevelName", name)
            .putFloat("lightningLevel", 0)
            .putInt("lightningTime", new Random().nextInt())
            .putInt("limitedWorldOriginX", 128)
            .putInt("limitedWorldOriginY", 70)
            .putInt("limitedWorldOriginZ", 128)
            .putInt("Platform", 0)
            .putFloat("rainLevel", 0)
            .putInt("rainTime", new Random().nextInt())
            .putLong("RandomSeed", seed)
            .putByte("spawnMobs", 0)
            .putInt("SpawnX", 128)
            .putInt("SpawnY", 70)
            .putInt("SpawnZ", 128)
            .putInt("storageVersion", 4)
            .putLong("Time", 0)
            .putLong("worldStartCount", ((long) Integer.MAX_VALUE) & 0xffffffffL);

    byte[] data = NBTIO.write(levelData, ByteOrder.LITTLE_ENDIAN);
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    outputStream.write(Binary.writeLInt(3));
    outputStream.write(Binary.writeLInt(data.length));
    outputStream.write(data);

    Utils.writeFile(path + "level.dat", new ByteArrayInputStream(outputStream.toByteArray()));

    DB db = Iq80DBFactory.factory.open(new File(path + "/db"), new Options().createIfMissing(true));
    db.close();
}