@Override
public RespawnMessage decode(ChannelBuffer buffer) throws IOException {
int dimension = buffer.readInt();
byte difficulty = buffer.readByte();
byte mode = buffer.readByte();
int worldHeight = ChannelBufferUtils.getExpandedHeight(buffer.readShort());
String worldType = ChannelBufferUtils.readString(buffer);
return new RespawnMessage(dimension, difficulty, mode, worldHeight, worldType);
}
@Override
public ChannelBuffer encode(RespawnMessage message) throws IOException {
ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
buffer.writeInt(message.getDimension());
buffer.writeByte(message.getDifficulty());
buffer.writeByte(message.getGameMode());
buffer.writeShort(ChannelBufferUtils.getShifts(message.getWorldHeight()) - 1);
ChannelBufferUtils.writeString(buffer, message.getWorldType());
return buffer;
}
@Override
public PlayerSpawnMessage decode(ChannelBuffer buffer) throws IOException {
int id = buffer.readInt();
String name = ChannelBufferUtils.readString(buffer);
int x = buffer.readInt();
int y = buffer.readInt();
int z = buffer.readInt();
int rotation = buffer.readUnsignedByte();
int pitch = buffer.readUnsignedByte();
int item = buffer.readUnsignedShort();
List<Parameter<?>> parameters = ChannelBufferUtils.readParameters(buffer);
return new PlayerSpawnMessage(id, name, x, y, z, rotation, pitch, item, parameters);
}
@Override
public ChannelBuffer encode(PlayerSpawnMessage message) throws IOException {
ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
buffer.writeInt(message.getEntityId());
ChannelBufferUtils.writeString(buffer, message.getName());
buffer.writeInt(message.getX());
buffer.writeInt(message.getY());
buffer.writeInt(message.getZ());
buffer.writeByte(message.getYaw());
buffer.writeByte(message.getPitch());
buffer.writeShort(message.getId());
ChannelBufferUtils.writeParameters(buffer, message.getParameters());
return buffer;
}
@Override
public PlayerListMessage decode(ChannelBuffer buffer) throws IOException {
String name = ChannelBufferUtils.readString(buffer);
boolean addOrRemove = buffer.readByte() == 1;
short ping = buffer.readShort();
return new PlayerListMessage(name, addOrRemove, ping);
}
@Override
public ChannelBuffer encode(PlayerListMessage message) throws IOException {
ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
ChannelBufferUtils.writeString(buffer, message.getPlayerName());
buffer.writeByte(message.playerIsOnline() ? 1 : 0);
buffer.writeShort(message.getPing());
return buffer;
}
@Override
public OpenWindowMessage decode(ChannelBuffer buffer) throws IOException {
int id = buffer.readUnsignedByte();
int type = buffer.readUnsignedByte();
String title = ChannelBufferUtils.readString(buffer);
int slots = buffer.readUnsignedByte();
return new OpenWindowMessage(id, type, title, slots);
}
@Override
public ChannelBuffer encode(OpenWindowMessage message) throws IOException {
ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
buffer.writeByte(message.getId());
buffer.writeByte(message.getType());
ChannelBufferUtils.writeString(buffer, message.getTitle());
buffer.writeByte(message.getSlots());
return buffer;
}
@Override
public WindowClickMessage decode(ChannelBuffer buffer) throws IOException {
int id = buffer.readUnsignedByte();
int slot = buffer.readUnsignedShort();
boolean rightClick = buffer.readUnsignedByte() != 0;
int transaction = buffer.readUnsignedShort();
boolean shift = buffer.readUnsignedByte() != 0;
ItemStack item = ChannelBufferUtils.readItemStack(buffer);
return new WindowClickMessage(id, slot, rightClick, transaction, shift, item);
}
@Override
public ChannelBuffer encode(WindowClickMessage message) throws IOException {
ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
buffer.writeByte(message.getWindowInstanceId());
buffer.writeShort(message.getSlot());
buffer.writeByte(message.isRightClick() ? 1 : 0);
buffer.writeShort(message.getTransaction());
buffer.writeByte(message.isShift() ? 1 : 0);
ChannelBufferUtils.writeItemStack(buffer, message.getItem());
return buffer;
}
/* This is needed for tests to complete. It is not actually used.
* See the commented-out code below this function */
@Override
public PlayerLoginRequestMessage decodeFromClient(ChannelBuffer buffer) {
int id = buffer.readInt();
String worldType = ChannelBufferUtils.readString(buffer);
byte mode = buffer.readByte();
byte dimension = buffer.readByte();
byte difficulty = buffer.readByte();
buffer.readUnsignedByte(); // not used?
short maxPlayers = buffer.readUnsignedByte();
return new PlayerLoginRequestMessage(id, worldType, mode, dimension, difficulty, maxPlayers);
}
@Override
public ChannelBuffer encodeToServer(PlayerLoginRequestMessage message) {
PlayerLoginRequestMessage server = message;
ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
buffer.writeInt(server.getId());
ChannelBufferUtils.writeString(buffer, server.getWorldType());
buffer.writeByte(server.getGameMode());
buffer.writeByte(server.getDimension());
buffer.writeByte(server.getDifficulty());
buffer.writeByte(0);
buffer.writeByte(server.getMaxPlayers());
return buffer;
}
@Override
public List<Message> getSpawnMessages(Entity entity, RepositionManager rm) {
FallingBlock block = entity.get(FallingBlock.class);
if (block != null) {
VanillaBlockMaterial material = block.getMaterial();
int messageData =
material.getMinecraftId() | (material.getMinecraftData(material.getData()) >> 16);
List<Message> messages = new ArrayList<Message>();
final double p = 32d;
Point pos = entity.getScene().getPosition();
int x = (int) Math.floor(pos.getX() * p);
int y = (int) Math.floor(pos.getY() * p);
int z = (int) Math.floor(pos.getZ() * p);
byte yaw = (byte) ChannelBufferUtils.protocolifyYaw(entity.getScene().getRotation().getYaw());
byte pitch =
(byte) ChannelBufferUtils.protocolifyPitch(entity.getScene().getRotation().getPitch());
short fallSpeed = (short) (block.getFallingSpeed() * 8000d);
messages.add(
new EntityObjectMessage(
entity.getId(),
(byte) typeId,
x,
y,
z,
messageData,
(short) 0,
fallSpeed,
(short) 0,
yaw,
pitch,
rm));
messages.add(new EntityMetadataMessage(entity.getId(), getSpawnParameters(entity)));
return messages;
} else {
return Collections.emptyList();
}
}
@Override
public UpdateSignMessage decode(ChannelBuffer 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 = ChannelBufferUtils.readString(buffer);
if (line == null) {
line = "";
}
message[i] = line;
}
return new UpdateSignMessage(x, y, z, message);
}
@Override
public ChannelBuffer encode(UpdateSignMessage message) throws IOException {
String[] lines = message.getMessage();
ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
buffer.writeInt(message.getX());
buffer.writeShort(message.getY());
buffer.writeInt(message.getZ());
for (String line : lines) {
if (line == null) {
line = "";
}
ChannelBufferUtils.writeString(buffer, line);
}
return buffer;
}