@Override
public ChannelBuffer encode(EncryptionKeyRequestMessage message) {
ChannelBuffer buffer = ChannelBuffers.dynamicBuffer();
ChannelBufferUtils.writeString(buffer, message.getSessionId());
byte[] publicKey = message.getSecretArray();
buffer.writeShort((short) publicKey.length);
buffer.writeBytes(publicKey);
buffer.writeShort((short) message.getVerifyTokenArray().length);
buffer.writeBytes(message.getVerifyTokenArray());
return buffer;
}
@Override
public EncryptionKeyRequestMessage decode(ChannelBuffer buffer) {
String sessionId = ChannelBufferUtils.readString(buffer);
int length = buffer.readShort() & 0xFFFF;
byte[] publicKey = new byte[length];
buffer.readBytes(publicKey);
int tokenLength = buffer.readShort() & 0xFFFF;
byte[] token = new byte[tokenLength];
buffer.readBytes(token);
return new EncryptionKeyRequestMessage(sessionId, false, publicKey, token);
}
@Override
public List<Message> getUpdateMessages(
Entity entity, Transform liveTransform, RepositionManager rm, boolean force) {
// Movement
final Transform prevTransform = rm.convert(entity.getScene().getTransform());
final Transform newTransform = rm.convert(liveTransform);
final boolean looked = entity.getScene().isRotationDirty();
final int lastX = protocolifyPosition(prevTransform.getPosition().getX());
final int lastY = protocolifyPosition(prevTransform.getPosition().getY());
final int lastZ = protocolifyPosition(prevTransform.getPosition().getZ());
final int lastYaw = protocolifyYaw(prevTransform.getRotation().getYaw());
final int lastPitch = protocolifyPitch(prevTransform.getRotation().getPitch());
final int newX = protocolifyPosition(newTransform.getPosition().getX());
final int newY = protocolifyPosition(newTransform.getPosition().getY());
final int newZ = protocolifyPosition(newTransform.getPosition().getZ());
final int newYaw = protocolifyYaw(newTransform.getRotation().getYaw());
final int newPitch = protocolifyPitch(newTransform.getRotation().getPitch());
final int deltaX = newX - lastX;
final int deltaY = newY - lastY;
final int deltaZ = newZ - lastZ;
final int deltaYaw = newYaw - lastYaw;
final int deltaPitch = newPitch - lastPitch;
final List<Message> messages = new ArrayList<Message>();
/*
* Two scenarios:
* - The entity moves more than 4 blocks and maybe changes rotation.
* - The entity moves less than 4 blocks and maybe changes rotation.
*/
if (force
|| deltaX > 128
|| deltaX < -128
|| deltaY > 128
|| deltaY < -128
|| deltaZ > 128
|| deltaZ < -128) {
messages.add(new EntityTeleportMessage(entity.getId(), newX, newY, newZ, newYaw, newPitch));
if (force || looked) {
messages.add(new EntityYawMessage(entity.getId(), newYaw, newPitch));
}
} else if (deltaX != 0 || deltaY != 0 || deltaZ != 0 || deltaYaw != 0 || deltaPitch != 0) {
if (looked) {
messages.add(
new EntityRelativePositionYawMessage(
entity.getId(), deltaX, deltaY, deltaZ, newYaw, newPitch));
} else if (!prevTransform.getPosition().equals(newTransform.getPosition())) {
messages.add(new EntityRelativePositionMessage(entity.getId(), deltaX, deltaY, deltaZ));
}
}
// Head movement
HeadComponent head = entity.get(HeadComponent.class);
if (head != null && head.isDirty()) {
final int headYawProt = ChannelBufferUtils.protocolifyYaw(head.getRotation().getYaw());
messages.add(new EntityHeadYawMessage(entity.getId(), headYawProt));
}
// Physics
// TODO: Actually not used?
/*if (physics != null && physics.isLinearVelocityDirty()) {
messages.add(new EntityVelocityMessage(entity.getId(), new Vector3(0, 0, 0)));
}*/
// Extra metadata
List<Parameter<?>> params = getUpdateParameters(entity);
if (lastMeta == null || !lastMeta.equals(params)) {
messages.add(new EntityMetadataMessage(entity.getId(), params));
lastMeta = params;
}
return messages;
}
