Example usage for io.netty.buffer ByteBuf readShort

List of usage examples for io.netty.buffer ByteBuf readShort

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Introduction

In this page you can find the example usage for io.netty.buffer ByteBuf readShort.

Prototype

public abstract short readShort();

Source Link

Document

Gets a 16-bit short integer at the current readerIndex and increases the readerIndex by 2 in this buffer.

Usage

From source file:org.spout.vanilla.protocol.codec.world.block.BlockActionCodec.java

License:Open Source License

@Override
public BlockActionMessage decode(ByteBuf buffer) throws IOException {
    int x = buffer.readInt();
    int y = buffer.readUnsignedShort();
    int z = buffer.readInt();
    byte firstByte = buffer.readByte();
    byte secondByte = buffer.readByte();
    short blockId = buffer.readShort();
    return new BlockActionMessage(x, y, z, blockId, firstByte, secondByte, NullRepositionManager.getInstance());
}

From source file:org.spout.vanilla.protocol.codec.world.block.BlockChangeCodec.java

License:Open Source License

@Override
public BlockChangeMessage decode(ByteBuf buffer) throws IOException {
    int x = buffer.readInt();
    int y = buffer.readUnsignedByte();
    int z = buffer.readInt();
    short type = buffer.readShort();
    int metadata = buffer.readUnsignedByte();
    return new BlockChangeMessage(x, y, z, type, metadata, NullRepositionManager.getInstance());
}

From source file:org.spout.vanilla.protocol.codec.world.block.SignCodec.java

License:Open Source License

@Override
public SignMessage decode(ByteBuf buffer) throws IOException {
    int x = buffer.readInt();
    int y = buffer.readShort();
    int z = buffer.readInt();
    String[] message = new String[4];
    for (int i = 0; i < message.length; i++) {
        String line = VanillaByteBufUtils.readString(buffer);
        if (line == null) {
            line = "";
        }/* w w w. jav  a2  s . co  m*/
        message[i] = line;
    }
    return new SignMessage(x, y, z, message, NullRepositionManager.getInstance());
}

From source file:org.spout.vanilla.protocol.codec.world.chunk.ChunkBulkCodec.java

License:Open Source License

@Override
public ChunkBulkMessage decode(ByteBuf buffer) throws IOException {
    int length = buffer.readShort() & 0xFFFF;

    int compressed = buffer.readInt();

    byte[] compressedDataFlat = new byte[compressed];

    buffer.readBytes(compressedDataFlat);

    int[] x = new int[length];
    int[] z = new int[length];
    byte[][][] data = new byte[length][][];
    boolean[][] hasAdd = new boolean[length][];
    byte[][] biomeData = new byte[length][];

    for (int i = 0; i < length; i++) {
        x[i] = buffer.readInt();//from  www  .  j  a v  a 2 s . c o m
        z[i] = buffer.readInt();
        short primaryBitmap = buffer.readShort();
        hasAdd[i] = shortToBooleanArray(buffer.readShort());
        data[i] = shortToByteByteArray(primaryBitmap, hasAdd[i]);
        biomeData[i] = new byte[Chunk.BLOCKS.AREA];
    }

    int flatLength = 0;

    for (int i = 0; i < length; i++) {
        byte[][] columnData = data[i];
        for (int j = 0; j < columnData.length; j++) {
            flatLength += columnData[j].length;
        }
        flatLength += biomeData[i].length;
    }

    byte[] uncompressedDataFlat = new byte[flatLength];

    Inflater inflater = new Inflater();
    inflater.setInput(compressedDataFlat);
    inflater.getRemaining();
    try {
        int uncompressed = inflater.inflate(uncompressedDataFlat);
        if (uncompressed == 0) {
            throw new IOException("Not all bytes uncompressed.");
        } else if (uncompressed != uncompressedDataFlat.length) {
            throw new IOException("Wrong length for compressed data");
        }
    } catch (DataFormatException e) {
        e.printStackTrace();
        throw new IOException("Bad compressed data.");
    } finally {
        inflater.end();
    }

    int pos = 0;
    for (int i = 0; i < length; i++) {
        byte[][] columnData = data[i];
        for (int j = 0; j < columnData.length; j++) {
            int l = columnData[j].length;
            System.arraycopy(uncompressedDataFlat, pos, columnData[j], 0, l);
            pos += l;
        }
        int l = biomeData[i].length;
        System.arraycopy(uncompressedDataFlat, pos, biomeData[i], 0, l);
        pos += l;
    }

    if (pos != flatLength) {
        throw new IllegalStateException("Flat data length miscalculated");
    }

    return new ChunkBulkMessage(x, z, hasAdd, data, biomeData, NullRepositionManager.getInstance());
}

From source file:org.spout.vanilla.protocol.codec.world.chunk.ChunkDataCodec.java

License:Open Source License

@Override
public ChunkDataMessage decode(ByteBuf buffer) throws IOException {
    int x = buffer.readInt();
    int z = buffer.readInt();
    boolean contiguous = buffer.readByte() == 1;

    short primaryBitMap = buffer.readShort();
    short addBitMap = buffer.readShort();
    int compressedSize = buffer.readInt();
    byte[] compressedData = new byte[compressedSize];
    buffer.readBytes(compressedData);//from w  ww .  ja  v  a2 s . com

    boolean[] hasAdditionalData = new boolean[MAX_SECTIONS];
    byte[][] data = new byte[MAX_SECTIONS][];

    int size = 0;
    for (int i = 0; i < MAX_SECTIONS; ++i) {
        if ((primaryBitMap & 1 << i) != 0) { // This chunk exists! Let's initialize the data for it.
            int sectionSize = Chunk.BLOCKS.HALF_VOLUME * 5;
            if ((addBitMap & 1 << i) != 0) {
                hasAdditionalData[i] = true;
                sectionSize += Chunk.BLOCKS.HALF_VOLUME;
            }

            data[i] = new byte[sectionSize];
            size += sectionSize;
        }
    }

    if (contiguous) {
        size += Chunk.BLOCKS.AREA;
    }

    byte[] uncompressedData = new byte[size];

    Inflater inflater = new Inflater();
    inflater.setInput(compressedData);
    inflater.getRemaining();
    int index = 0;
    try {
        while (index < uncompressedData.length) {
            int uncompressed = inflater.inflate(uncompressedData, index, uncompressedData.length - index);
            index += uncompressed;
            if (uncompressed == 0) {
                break;
            }
        }
        if (index != uncompressedData.length) {
            throw new IOException("Not all bytes uncompressed.");
        }
    } catch (DataFormatException e) {
        e.printStackTrace();
        throw new IOException("Bad compressed data.");
    } finally {
        inflater.end();
    }

    size = 0;
    // TODO - fix this total hack
    size = readSectionData(uncompressedData, size, data, 0, 4096);
    size = readSectionData(uncompressedData, size, data, 2 * 2048, 2048);
    size = readSectionData(uncompressedData, size, data, 3 * 2048, 2048);
    size = readSectionData(uncompressedData, size, data, 4 * 2048, 2048);

    /*size = 0;
    for (byte[] sectionData : data) {
       if (sectionData != null && sectionData.length + size < uncompressedData.length) {
    System.arraycopy(uncompressedData, size, sectionData, 0, sectionData.length);
    size += sectionData.length;
       }
    }*/
    byte[] biomeData = new byte[Chunk.BLOCKS.AREA];

    if (contiguous) {
        System.arraycopy(uncompressedData, size, biomeData, 0, biomeData.length);
        size += biomeData.length;
    }

    return new ChunkDataMessage(x, z, contiguous, hasAdditionalData, data, biomeData, null,
            NullRepositionManager.getInstance());
}

From source file:org.spout.vanilla.protocol.VanillaByteBufUtils.java

License:Open Source License

/**
 * Reads a list of parameters from the buffer.
 *
 * @param buf The buffer.//from  ww w .j a va  2s . c  o  m
 * @return The parameters.
 */
public static List<Parameter<?>> readParameters(ByteBuf buf) throws IOException {
    List<Parameter<?>> parameters = new ArrayList<Parameter<?>>();

    for (int b = buf.readUnsignedByte(); b != 127; b = buf.readUnsignedByte()) {
        int type = (b & 0xE0) >> 5;
        int index = b & 0x1F;

        switch (type) {
        case Parameter.TYPE_BYTE:
            parameters.add(new Parameter<Byte>(type, index, buf.readByte()));
            break;
        case Parameter.TYPE_SHORT:
            parameters.add(new Parameter<Short>(type, index, buf.readShort()));
            break;
        case Parameter.TYPE_INT:
            parameters.add(new Parameter<Integer>(type, index, buf.readInt()));
            break;
        case Parameter.TYPE_FLOAT:
            parameters.add(new Parameter<Float>(type, index, buf.readFloat()));
            break;
        case Parameter.TYPE_STRING:
            parameters.add(new Parameter<String>(type, index, readString(buf)));
            break;
        case Parameter.TYPE_ITEM:
            parameters.add(new Parameter<ItemStack>(type, index, readItemStack(buf)));
            break;
        }
    }

    return parameters;
}

From source file:org.spout.vanilla.protocol.VanillaByteBufUtils.java

License:Open Source License

public static ItemStack readItemStack(ByteBuf buffer) throws IOException {
    short id = buffer.readShort();
    if (id < 0) {
        return null;
    } else {/*from  ww  w. j  a  v  a2s.com*/
        Material material = VanillaMaterials.getMaterial(id);
        if (material == null) {
            throw new IOException("Unknown material with id of " + id);
        }
        int count = buffer.readUnsignedByte();
        int damage = buffer.readUnsignedShort();
        CompoundMap nbtData = readCompound(buffer);
        return new ItemStack(material, damage, count).setNBTData(nbtData);
    }
}

From source file:org.spoutcraft.client.network.codec.play.ChunkDataBulkCodec.java

License:MIT License

@Override
public ChunkDataBulkMessage decode(ByteBuf buf) throws IOException {
    final short columnCount = buf.readShort();
    final int compressedDataLength = buf.readInt();
    final boolean hasSkyLight = buf.readBoolean();
    final byte[] compressedData = new byte[compressedDataLength];
    buf.readBytes(compressedData, 0, compressedData.length);
    final int[] columnXs = new int[columnCount];
    final int[] columnZs = new int[columnCount];
    final short[] primaryBitMaps = new short[columnCount];
    final short[] additionalDataBitMaps = new short[columnCount];
    for (int i = 0; i < columnCount; i++) {
        columnXs[i] = buf.readInt();//w ww.  ja v a  2s .  c o  m
        columnZs[i] = buf.readInt();
        primaryBitMaps[i] = (short) buf.readUnsignedShort();
        additionalDataBitMaps[i] = (short) buf.readUnsignedShort();
    }
    return new ChunkDataBulkMessage(columnCount, compressedDataLength, hasSkyLight, compressedData, columnXs,
            columnZs, primaryBitMaps, additionalDataBitMaps);
}

From source file:org.spoutcraft.mod.protocol.codec.AddFileCodec.java

License:MIT License

@Override
public AddFileMessage decode(Spoutcraft game, ByteBuf buffer) throws IOException {
    if (game.getSide().isServer()) {
        throw new IOException("Server is not allowed to receive files!");
    }//from ww w  .  j  a va  2s.  c  o  m
    final String addonIdentifier = BufferUtil.readUTF8(buffer);
    final String fname = BufferUtil.readUTF8(buffer);
    final short part = buffer.readShort();
    final short partCount = buffer.readShort();
    final byte[] data = new byte[buffer.readableBytes()];
    buffer.readBytes(data);
    return new AddFileMessage(addonIdentifier, fname, part, partCount, data);
}

From source file:org.starmod.net.object.field.type.NetworkShort.java

License:MIT License

@Override
public void decode(ByteBuf buf) {
    setValue(buf.readShort());
}