protected void streamACK(String identifier, int identifierACK) {
byte[] buffer =
Binary.appendBytes(
RakNet.PACKET_ACK_NOTIFICATION,
new byte[] {(byte) (identifier.length() & 0xff)},
identifier.getBytes(StandardCharsets.UTF_8),
Binary.writeInt(identifierACK));
this.server.pushThreadToMainPacket(buffer);
}
public void streamRAW(String address, int port, byte[] payload) {
byte[] buffer =
Binary.appendBytes(
RakNet.PACKET_RAW,
new byte[] {(byte) (address.length() & 0xff)},
address.getBytes(StandardCharsets.UTF_8),
Binary.writeShort(port),
payload);
this.server.pushThreadToMainPacket(buffer);
}
protected void streamOpen(Session session) {
String identifier = session.getAddress() + ":" + session.getPort();
byte[] buffer =
Binary.appendBytes(
RakNet.PACKET_OPEN_SESSION,
new byte[] {(byte) (identifier.length() & 0xff)},
identifier.getBytes(StandardCharsets.UTF_8),
new byte[] {(byte) (session.getAddress().length() & 0xff)},
session.getAddress().getBytes(StandardCharsets.UTF_8),
Binary.writeShort(session.getPort()),
Binary.writeLong(session.getID()));
this.server.pushThreadToMainPacket(buffer);
}
protected void streamInvalid(String identifier) {
byte[] buffer =
Binary.appendBytes(
RakNet.PACKET_INVALID_SESSION,
new byte[] {(byte) (identifier.length() & 0xff)},
identifier.getBytes(StandardCharsets.UTF_8));
this.server.pushThreadToMainPacket(buffer);
}
protected void streamOption(String name, String value) {
byte[] buffer =
Binary.appendBytes(
RakNet.PACKET_SET_OPTION,
new byte[] {(byte) (name.length() & 0xff)},
name.getBytes(StandardCharsets.UTF_8),
value.getBytes(StandardCharsets.UTF_8));
this.server.pushThreadToMainPacket(buffer);
}
protected void streamClose(String identifier, String reason) {
byte[] buffer =
Binary.appendBytes(
RakNet.PACKET_CLOSE_SESSION,
new byte[] {(byte) (identifier.length() & 0xff)},
identifier.getBytes(StandardCharsets.UTF_8),
new byte[] {(byte) (reason.length() & 0xff)},
reason.getBytes(StandardCharsets.UTF_8));
this.server.pushThreadToMainPacket(buffer);
}
public void streamEncapsulated(Session session, EncapsulatedPacket packet, int flags) {
String id = session.getAddress() + ":" + session.getPort();
byte[] buffer =
Binary.appendBytes(
RakNet.PACKET_ENCAPSULATED,
new byte[] {(byte) (id.length() & 0xff)},
id.getBytes(StandardCharsets.UTF_8),
new byte[] {(byte) (flags & 0xff)},
packet.toBinary(true));
this.server.pushThreadToMainPacket(buffer);
}
@Override
public AsyncTask requestChunkTask(int x, int z) throws ChunkException {
FullChunk chunk = this.getChunk(x, z, false);
if (chunk == null) {
throw new ChunkException("Invalid Chunk Set");
}
byte[] tiles = new byte[0];
if (!chunk.getTiles().isEmpty()) {
List<CompoundTag> tagList = new ArrayList<>();
for (Tile tile : chunk.getTiles().values()) {
if (tile instanceof Spawnable) {
tagList.add(((Spawnable) tile).getSpawnCompound());
}
}
try {
tiles = NBTIO.write(tagList, ByteOrder.LITTLE_ENDIAN);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
BinaryStream extraData = new BinaryStream();
extraData.putLInt(chunk.getBlockExtraDataArray().size());
for (Integer key : chunk.getBlockExtraDataArray().values()) {
extraData.putLInt(key);
extraData.putLShort(chunk.getBlockExtraDataArray().get(key));
}
BinaryStream stream = new BinaryStream();
stream.put(chunk.getBlockIdArray());
stream.put(chunk.getBlockDataArray());
stream.put(chunk.getBlockSkyLightArray());
stream.put(chunk.getBlockLightArray());
for (int height : chunk.getHeightMapArray()) {
stream.putByte((byte) (height & 0xff));
}
for (int color : chunk.getBiomeColorArray()) {
stream.put(Binary.writeInt(color));
}
stream.put(extraData.getBuffer());
stream.put(tiles);
this.getLevel()
.chunkRequestCallback(x, z, stream.getBuffer(), FullChunkDataPacket.ORDER_LAYERED);
return null;
}
public boolean receiveStream() throws Exception {
byte[] packet = this.server.readMainToThreadPacket();
if (packet != null && packet.length > 0) {
byte id = packet[0];
int offset = 1;
switch (id) {
case RakNet.PACKET_ENCAPSULATED:
int len = packet[offset++];
String identifier =
new String(Binary.subBytes(packet, offset, len), StandardCharsets.UTF_8);
offset += len;
if (this.sessions.containsKey(identifier)) {
byte flags = packet[offset++];
byte[] buffer = Binary.subBytes(packet, offset);
this.sessions
.get(identifier)
.addEncapsulatedToQueue(EncapsulatedPacket.fromBinary(buffer, true), flags);
} else {
this.streamInvalid(identifier);
}
break;
case RakNet.PACKET_RAW:
len = packet[offset++];
String address = new String(Binary.subBytes(packet, offset, len), StandardCharsets.UTF_8);
offset += len;
int port = Binary.readShort(Binary.subBytes(packet, offset, 2));
offset += 2;
byte[] payload = Binary.subBytes(packet, offset);
this.socket.writePacket(payload, address, port);
break;
case RakNet.PACKET_CLOSE_SESSION:
len = packet[offset++];
identifier = new String(Binary.subBytes(packet, offset, len), StandardCharsets.UTF_8);
if (this.sessions.containsKey(identifier)) {
this.removeSession(this.sessions.get(identifier));
} else {
this.streamInvalid(identifier);
}
break;
case RakNet.PACKET_INVALID_SESSION:
len = packet[offset++];
identifier = new String(Binary.subBytes(packet, offset, len), StandardCharsets.UTF_8);
if (this.sessions.containsKey(identifier)) {
this.removeSession(this.sessions.get(identifier));
}
break;
case RakNet.PACKET_SET_OPTION:
len = packet[offset++];
String name = new String(Binary.subBytes(packet, offset, len), StandardCharsets.UTF_8);
offset += len;
String value = new String(Binary.subBytes(packet, offset), StandardCharsets.UTF_8);
switch (name) {
case "name":
this.name = value;
break;
case "portChecking":
this.portChecking = Boolean.valueOf(value);
break;
case "packetLimit":
this.packetLimit = Integer.valueOf(value);
break;
}
break;
case RakNet.PACKET_BLOCK_ADDRESS:
len = packet[offset++];
address = new String(Binary.subBytes(packet, offset, len), StandardCharsets.UTF_8);
offset += len;
int timeout = Binary.readInt(Binary.subBytes(packet, offset, 4));
this.blockAddress(address, timeout);
break;
case RakNet.PACKET_SHUTDOWN:
for (Session session : new ArrayList<>(this.sessions.values())) {
this.removeSession(session);
}
this.socket.close();
this.shutdown = true;
break;
case RakNet.PACKET_EMERGENCY_SHUTDOWN:
this.shutdown = true;
default:
return false;
}
return true;
}
return false;
}
