@Override
public PositionMessage decode(ChannelBuffer buffer) throws IOException {
double x = buffer.readDouble();
double y = buffer.readDouble();
double stance = buffer.readDouble();
double z = buffer.readDouble();
boolean flying = buffer.readByte() == 1;
return new PositionMessage(x, y, z, stance, flying);
}
@Override
public PlayerPositionLookMessage decode(ChannelBuffer buffer) throws IOException {
double x = buffer.readDouble();
double y = buffer.readDouble();
double stance = buffer.readDouble();
double z = buffer.readDouble();
float yaw = buffer.readFloat();
float pitch = buffer.readFloat();
boolean onGround = buffer.readByte() == 1;
return new PlayerPositionLookMessage(x, y, z, stance, yaw, pitch, onGround);
}
/**
* Read double from this packet buffer.
*
* @return double
*/
protected final double readDF() {
try {
return buf.readDouble();
} catch (Exception e) {
log.error("Missing DF for: " + this);
}
return 0;
}
/* (non-Javadoc)
* @see name.martingeisse.stackd.server.StackdServer#onApplicationPacketReceived(name.martingeisse.stackd.server.StackdSession, name.martingeisse.stackd.common.netty.StackdPacket)
*/
@Override
protected void onApplicationPacketReceived(MinerSession session, StackdPacket packet) {
ChannelBuffer buffer = packet.getBuffer();
switch (packet.getType()) {
case MinerPacketConstants.TYPE_C2S_UPDATE_POSITION:
{
session.setX(buffer.readDouble());
session.setY(buffer.readDouble());
session.setZ(buffer.readDouble());
session.setLeftAngle(buffer.readDouble());
session.setUpAngle(buffer.readDouble());
break;
}
case MinerPacketConstants.TYPE_C2S_RESUME_PLAYER:
{
byte[] tokenBytes = new byte[buffer.readInt()];
buffer.readBytes(tokenBytes);
String token = new String(tokenBytes, StandardCharsets.UTF_8);
String tokenSubject =
SecurityTokenUtil.validateToken(
token, new Instant(), MinerServerSecurityConstants.SECURITY_TOKEN_SECRET);
long playerId = Long.parseLong(tokenSubject);
try {
final SQLQuery query = EntityConnectionManager.getConnection().createQuery();
query.from(QPlayer.player);
query.where(QPlayer.player.id.eq(playerId));
Player player = query.singleResult(QPlayer.player);
if (player == null) {
throw new RuntimeException("player not found, id: " + playerId);
}
session.setPlayerId(player.getId());
session.setName(player.getName());
session.setX(player.getX().doubleValue());
session.setY(player.getY().doubleValue());
session.setZ(player.getZ().doubleValue());
session.setLeftAngle(player.getLeftAngle().doubleValue());
session.setUpAngle(player.getUpAngle().doubleValue());
session.sendCoinsUpdate();
} finally {
EntityConnectionManager.disposeConnections();
}
StackdPacket responsePacket =
new StackdPacket(MinerPacketConstants.TYPE_S2C_PLAYER_RESUMED, 40);
ChannelBuffer responseBuffer = responsePacket.getBuffer();
responseBuffer.writeDouble(session.getX());
responseBuffer.writeDouble(session.getY());
responseBuffer.writeDouble(session.getZ());
responseBuffer.writeDouble(session.getLeftAngle());
responseBuffer.writeDouble(session.getUpAngle());
broadcast(responsePacket);
break;
}
case MinerPacketConstants.TYPE_C2S_DIG_NOTIFICATION:
{
// determine the cube being dug away
int shiftBits = getSectionWorkingSet().getClusterSize().getShiftBits();
int x = buffer.readInt(), sectionX = (x >> shiftBits);
int y = buffer.readInt(), sectionY = (y >> shiftBits);
int z = buffer.readInt(), sectionZ = (z >> shiftBits);
SectionId id = new SectionId(sectionX, sectionY, sectionZ);
SectionCubesCacheEntry sectionDataCacheEntry =
(SectionCubesCacheEntry)
getSectionWorkingSet().get(new SectionDataId(id, SectionDataType.DEFINITIVE));
byte oldCubeType = sectionDataCacheEntry.getCubeAbsolute(x, y, z);
// determine whether digging is successful
boolean success;
if (oldCubeType == 1 || oldCubeType == 5 || oldCubeType == 15) {
success = true;
} else {
success = (new Random().nextInt(3) < 1);
}
if (!success) {
// TODO enable god mode -- digging always succeeds
// break;
}
// remove the cube and notify other clients
sectionDataCacheEntry.setCubeAbsolute(x, y, z, (byte) 0);
// TODO should not be necessary with auto-save
sectionDataCacheEntry.save();
// notify listeners
notifyClientsAboutModifiedSections(id);
for (AxisAlignedDirection neighborDirection :
getSectionWorkingSet().getClusterSize().getBorderDirections(x, y, z)) {
notifyClientsAboutModifiedSections(id.getNeighbor(neighborDirection));
}
// trigger special logic (e.g. add a unit of ore to the player's inventory)
try {
DigUtil.onCubeDugAway(session, x, y, z, oldCubeType);
} finally {
EntityConnectionManager.disposeConnections();
}
break;
}
}
}