How to use

getSigned

method

in

org.apollo.net.codec.game.GamePacketReader

/**
 * Gets a signed data type from the buffer.
 *
 * @param type The data type.
 * @return The value.
 * @throws IllegalStateException If this reader is not in byte access mode.
 */
public long getSigned(DataType type) {
  return getSigned(type, DataOrder.BIG, DataTransformation.NONE);
}

/**
 * Gets a signed data type from the buffer with the specified order.
 *
 * @param type The data type.
 * @param order The byte order.
 * @return The value.
 * @throws IllegalStateException If this reader is not in byte access mode.
 * @throws IllegalArgumentException If the combination is invalid.
 */
public long getSigned(DataType type, DataOrder order) {
  return getSigned(type, order, DataTransformation.NONE);
}

@Override
public ItemOptionMessage decode(GamePacket packet) {
  GamePacketReader reader = new GamePacketReader(packet);
  int interfaceId = (int) reader.getSigned(DataType.SHORT, DataOrder.LITTLE, DataTransformation.ADD);
  int slot = (int) reader.getSigned(DataType.SHORT, DataOrder.LITTLE);
  int id = (int) reader.getUnsigned(DataType.SHORT, DataTransformation.ADD);
  return new ItemOptionMessage(4, interfaceId, id, slot);
}

@Override
public ItemOptionMessage decode(GamePacket packet) {
  GamePacketReader reader = new GamePacketReader(packet);
  int interfaceId = (int) reader.getSigned(DataType.SHORT, DataOrder.LITTLE, DataTransformation.ADD);
  int slot = (int) reader.getUnsigned(DataType.SHORT, DataTransformation.ADD);
  int id = (int) reader.getSigned(DataType.SHORT, DataOrder.LITTLE);
  return new ItemOptionMessage(1, interfaceId, id, slot);
}

@Override
public ItemOptionMessage decode(GamePacket packet) {
  GamePacketReader reader = new GamePacketReader(packet);
  int id = (int) reader.getUnsigned(DataType.SHORT, DataTransformation.ADD);
  int slot = (int) reader.getSigned(DataType.SHORT, DataOrder.LITTLE, DataTransformation.ADD);
  int interfaceId = (int) reader.getSigned(DataType.SHORT, DataOrder.LITTLE, DataTransformation.ADD);
  return new ItemOptionMessage(3, interfaceId, id, slot);
}

@Override
public NpcActionMessage decode(GamePacket packet) {
  GamePacketReader reader = new GamePacketReader(packet);
  int index = (int) reader.getSigned(DataType.SHORT, DataTransformation.ADD);
  return new NpcActionMessage(2, index);
}

@Override
public NpcActionMessage decode(GamePacket packet) {
  GamePacketReader reader = new GamePacketReader(packet);
  int index = (int) reader.getSigned(DataType.SHORT, DataOrder.LITTLE, DataTransformation.ADD);
  return new NpcActionMessage(3, index);
}

@Override
public NpcActionMessage decode(GamePacket packet) {
  GamePacketReader reader = new GamePacketReader(packet);
  int index = (int) reader.getSigned(DataType.SHORT, DataOrder.LITTLE);
  return new NpcActionMessage(1, index);
}

@Override
public NpcActionMessage decode(GamePacket packet) {
  GamePacketReader reader = new GamePacketReader(packet);
  int index = (int) reader.getSigned(DataType.SHORT, DataOrder.LITTLE);
  return new NpcActionMessage(1, index);
}

@Override
public NpcActionMessage decode(GamePacket packet) {
  GamePacketReader reader = new GamePacketReader(packet);
  int index = (int) reader.getSigned(DataType.SHORT, DataOrder.LITTLE, DataTransformation.ADD);
  return new NpcActionMessage(3, index);
}

@Override
public RemoveIgnoreMessage decode(GamePacket packet) {
  GamePacketReader reader = new GamePacketReader(packet);
  String username = NameUtil.decodeBase37(reader.getSigned(DataType.LONG));
  return new RemoveIgnoreMessage(username);
}

@Override
public AddIgnoreMessage decode(GamePacket packet) {
  GamePacketReader reader = new GamePacketReader(packet);
  String username = NameUtil.decodeBase37(reader.getSigned(DataType.LONG));
  return new AddIgnoreMessage(username);
}

@Override
public AddFriendMessage decode(GamePacket packet) {
  GamePacketReader reader = new GamePacketReader(packet);
  String username = NameUtil.decodeBase37(reader.getSigned(DataType.LONG));
  return new AddFriendMessage(username);
}

@Override
public ItemOnItemMessage decode(GamePacket packet) {
  GamePacketReader reader = new GamePacketReader(packet);
  int targetSlot = (int) reader.getUnsigned(DataType.SHORT);
  int usedSlot = (int) reader.getUnsigned(DataType.SHORT, DataTransformation.ADD);
  int targetId = (int) reader.getSigned(DataType.SHORT, DataOrder.LITTLE, DataTransformation.ADD);
  int targetInterface = (int) reader.getUnsigned(DataType.SHORT);
  int usedId = (int) reader.getSigned(DataType.SHORT, DataOrder.LITTLE);
  int usedInterface = (int) reader.getUnsigned(DataType.SHORT);
  return new ItemOnItemMessage(usedInterface, usedId, usedSlot, targetInterface, targetId, targetSlot);
}

@Override
public RemoveIgnoreMessage decode(GamePacket packet) {
  GamePacketReader reader = new GamePacketReader(packet);
  String username = NameUtil.decodeBase37(reader.getSigned(DataType.LONG));
  return new RemoveIgnoreMessage(username);
}

@Override
public RemoveFriendMessage decode(GamePacket packet) {
  GamePacketReader reader = new GamePacketReader(packet);
  String username = NameUtil.decodeBase37(reader.getSigned(DataType.LONG));
  return new RemoveFriendMessage(username);
}

@Override
public RemoveFriendMessage decode(GamePacket packet) {
  GamePacketReader reader = new GamePacketReader(packet);
  String username = NameUtil.decodeBase37(reader.getSigned(DataType.LONG));
  return new RemoveFriendMessage(username);
}

@Override
public ItemOnNpcMessage decode(GamePacket packet) {
  GamePacketReader reader = new GamePacketReader(packet);
  int id = (int) reader.getUnsigned(DataType.SHORT, DataTransformation.ADD);
  int index = (int) reader.getUnsigned(DataType.SHORT, DataTransformation.ADD);
  int slot = (int) reader.getSigned(DataType.SHORT, DataOrder.LITTLE);
  int interfaceId = (int) reader.getUnsigned(DataType.SHORT, DataTransformation.ADD);
  return new ItemOnNpcMessage(id, index, slot, interfaceId);
}

@Override
public ReportAbuseMessage decode(GamePacket packet) {
  GamePacketReader reader = new GamePacketReader(packet);
  String name = NameUtil.decodeBase37(reader.getSigned(DataType.LONG));
  int rule = (int) reader.getUnsigned(DataType.BYTE);
  boolean mute = reader.getUnsigned(DataType.BYTE) == 1;
  return new ReportAbuseMessage(name, rule, mute);
}

@Override
public ItemOnNpcMessage decode(GamePacket packet) {
  GamePacketReader reader = new GamePacketReader(packet);
  int index = (int) reader.getUnsigned(DataType.SHORT);
  int id = (int) reader.getSigned(DataType.SHORT, DataOrder.LITTLE);
  int widget = (int) reader.getUnsigned(DataType.SHORT,  DataOrder.LITTLE, DataTransformation.ADD);
  int slot = (int) reader.getUnsigned(DataType.SHORT);
  return new ItemOnNpcMessage(id, index, slot, widget);
}