void OctreeHeadlessViewer::queryOctree() {
char serverType = getMyNodeType();
PacketType packetType = getMyQueryMessageType();
if (_hasViewFrustum) {
ConicalViewFrustums views { _viewFrustum };
_octreeQuery.setConicalViews(views);
} else {
_octreeQuery.clearConicalViews();
}
auto nodeList = DependencyManager::get<NodeList>();
auto node = nodeList->soloNodeOfType(serverType);
if (node && node->getActiveSocket()) {
auto queryPacket = NLPacket::create(packetType);
// encode the query data
auto packetData = reinterpret_cast<unsigned char*>(queryPacket->getPayload());
int packetSize = _octreeQuery.getBroadcastData(packetData);
queryPacket->setPayloadSize(packetSize);
// make sure we still have an active socket
nodeList->sendUnreliablePacket(*queryPacket, *node);
}
}
void OctreeServer::processDatagram(const QByteArray& dataByteArray, const HifiSockAddr& senderSockAddr) {
NodeList* nodeList = NodeList::getInstance();
PACKET_TYPE packetType = dataByteArray[0];
if (packetType == getMyQueryMessageType()) {
bool debug = false;
if (debug) {
qDebug("Got PACKET_TYPE_VOXEL_QUERY at %llu.\n", usecTimestampNow());
}
int numBytesPacketHeader = numBytesForPacketHeader((unsigned char*) dataByteArray.data());
// If we got a PACKET_TYPE_VOXEL_QUERY, then we're talking to an NODE_TYPE_AVATAR, and we
// need to make sure we have it in our nodeList.
QUuid nodeUUID = QUuid::fromRfc4122(dataByteArray.mid(numBytesPacketHeader,
NUM_BYTES_RFC4122_UUID));
Node* node = nodeList->nodeWithUUID(nodeUUID);
if (node) {
nodeList->updateNodeWithData(node, senderSockAddr, (unsigned char *) dataByteArray.data(),
dataByteArray.size());
if (!node->getActiveSocket()) {
// we don't have an active socket for this node, but they're talking to us
// this means they've heard from us and can reply, let's assume public is active
node->activatePublicSocket();
}
OctreeQueryNode* nodeData = (OctreeQueryNode*) node->getLinkedData();
if (nodeData && !nodeData->isOctreeSendThreadInitalized()) {
nodeData->initializeOctreeSendThread(this);
}
}
} else if (packetType == PACKET_TYPE_JURISDICTION_REQUEST) {
_jurisdictionSender->queueReceivedPacket(senderSockAddr, (unsigned char*) dataByteArray.data(),
dataByteArray.size());
} else if (_octreeInboundPacketProcessor && getOctree()->handlesEditPacketType(packetType)) {
_octreeInboundPacketProcessor->queueReceivedPacket(senderSockAddr, (unsigned char*) dataByteArray.data(),
dataByteArray.size());
} else {
// let processNodeData handle it.
NodeList::getInstance()->processNodeData(senderSockAddr, (unsigned char*) dataByteArray.data(),
dataByteArray.size());
}
}
void OctreeHeadlessViewer::queryOctree() {
char serverType = getMyNodeType();
PacketType packetType = getMyQueryMessageType();
NodeToJurisdictionMap& jurisdictions = *_jurisdictionListener->getJurisdictions();
bool wantExtraDebugging = false;
if (wantExtraDebugging) {
qCDebug(octree) << "OctreeHeadlessViewer::queryOctree() _jurisdictionListener=" << _jurisdictionListener;
qCDebug(octree) << "---------------";
qCDebug(octree) << "_jurisdictionListener=" << _jurisdictionListener;
qCDebug(octree) << "Jurisdictions...";
jurisdictions.lockForRead();
for (NodeToJurisdictionMapIterator i = jurisdictions.begin(); i != jurisdictions.end(); ++i) {
qCDebug(octree) << i.key() << ": " << &i.value();
}
jurisdictions.unlock();
qCDebug(octree) << "---------------";
}
// These will be the same for all servers, so we can set them up once and then reuse for each server we send to.
_octreeQuery.setWantLowResMoving(true);
_octreeQuery.setWantColor(true);
_octreeQuery.setWantDelta(true);
_octreeQuery.setWantOcclusionCulling(false);
_octreeQuery.setWantCompression(true); // TODO: should be on by default
_octreeQuery.setCameraPosition(_viewFrustum.getPosition());
_octreeQuery.setCameraOrientation(_viewFrustum.getOrientation());
_octreeQuery.setCameraFov(_viewFrustum.getFieldOfView());
_octreeQuery.setCameraAspectRatio(_viewFrustum.getAspectRatio());
_octreeQuery.setCameraNearClip(_viewFrustum.getNearClip());
_octreeQuery.setCameraFarClip(_viewFrustum.getFarClip());
_octreeQuery.setCameraEyeOffsetPosition(glm::vec3());
_octreeQuery.setOctreeSizeScale(getVoxelSizeScale());
_octreeQuery.setBoundaryLevelAdjust(getBoundaryLevelAdjust());
// Iterate all of the nodes, and get a count of how many voxel servers we have...
int totalServers = 0;
int inViewServers = 0;
int unknownJurisdictionServers = 0;
DependencyManager::get<NodeList>()->eachNode([&](const SharedNodePointer& node){
// only send to the NodeTypes that are serverType
if (node->getActiveSocket() && node->getType() == serverType) {
totalServers++;
// get the server bounds for this server
QUuid nodeUUID = node->getUUID();
// if we haven't heard from this voxel server, go ahead and send it a query, so we
// can get the jurisdiction...
jurisdictions.lockForRead();
if (jurisdictions.find(nodeUUID) == jurisdictions.end()) {
jurisdictions.unlock();
unknownJurisdictionServers++;
} else {
const JurisdictionMap& map = (jurisdictions)[nodeUUID];
unsigned char* rootCode = map.getRootOctalCode();
if (rootCode) {
VoxelPositionSize rootDetails;
voxelDetailsForCode(rootCode, rootDetails);
jurisdictions.unlock();
AACube serverBounds(glm::vec3(rootDetails.x, rootDetails.y, rootDetails.z), rootDetails.s);
ViewFrustum::location serverFrustumLocation = _viewFrustum.cubeInFrustum(serverBounds);
if (serverFrustumLocation != ViewFrustum::OUTSIDE) {
inViewServers++;
}
} else {
jurisdictions.unlock();
}
}
}
});
if (wantExtraDebugging) {
qCDebug(octree, "Servers: total %d, in view %d, unknown jurisdiction %d",
totalServers, inViewServers, unknownJurisdictionServers);
}
int perServerPPS = 0;
const int SMALL_BUDGET = 10;
int perUnknownServer = SMALL_BUDGET;
int totalPPS = getMaxPacketsPerSecond();
// determine PPS based on number of servers
if (inViewServers >= 1) {
// set our preferred PPS to be exactly evenly divided among all of the voxel servers... and allocate 1 PPS
// for each unknown jurisdiction server
perServerPPS = (totalPPS / inViewServers) - (unknownJurisdictionServers * perUnknownServer);
} else {
if (unknownJurisdictionServers > 0) {
perUnknownServer = (totalPPS / unknownJurisdictionServers);
}
}
if (wantExtraDebugging) {
qCDebug(octree, "perServerPPS: %d perUnknownServer: %d", perServerPPS, perUnknownServer);
}
auto nodeList = DependencyManager::get<NodeList>();
nodeList->eachNode([&](const SharedNodePointer& node){
// only send to the NodeTypes that are serverType
if (node->getActiveSocket() && node->getType() == serverType) {
// get the server bounds for this server
QUuid nodeUUID = node->getUUID();
bool inView = false;
bool unknownView = false;
// if we haven't heard from this voxel server, go ahead and send it a query, so we
// can get the jurisdiction...
jurisdictions.lockForRead();
if (jurisdictions.find(nodeUUID) == jurisdictions.end()) {
jurisdictions.unlock();
unknownView = true; // assume it's in view
if (wantExtraDebugging) {
qCDebug(octree) << "no known jurisdiction for node " << *node << ", assume it's visible.";
}
} else {
const JurisdictionMap& map = (jurisdictions)[nodeUUID];
unsigned char* rootCode = map.getRootOctalCode();
if (rootCode) {
VoxelPositionSize rootDetails;
voxelDetailsForCode(rootCode, rootDetails);
jurisdictions.unlock();
AACube serverBounds(glm::vec3(rootDetails.x, rootDetails.y, rootDetails.z), rootDetails.s);
ViewFrustum::location serverFrustumLocation = _viewFrustum.cubeInFrustum(serverBounds);
if (serverFrustumLocation != ViewFrustum::OUTSIDE) {
inView = true;
} else {
inView = false;
}
} else {
jurisdictions.unlock();
if (wantExtraDebugging) {
qCDebug(octree) << "Jurisdiction without RootCode for node " << *node << ". That's unusual!";
}
}
}
if (inView) {
_octreeQuery.setMaxQueryPacketsPerSecond(perServerPPS);
if (wantExtraDebugging) {
qCDebug(octree) << "inView for node " << *node << ", give it budget of " << perServerPPS;
}
} else if (unknownView) {
if (wantExtraDebugging) {
qCDebug(octree) << "no known jurisdiction for node " << *node << ", give it budget of "
<< perUnknownServer << " to send us jurisdiction.";
}
// set the query's position/orientation to be degenerate in a manner that will get the scene quickly
// If there's only one server, then don't do this, and just let the normal voxel query pass through
// as expected... this way, we will actually get a valid scene if there is one to be seen
if (totalServers > 1) {
_octreeQuery.setCameraPosition(glm::vec3(-0.1,-0.1,-0.1));
const glm::quat OFF_IN_NEGATIVE_SPACE = glm::quat(-0.5, 0, -0.5, 1.0);
_octreeQuery.setCameraOrientation(OFF_IN_NEGATIVE_SPACE);
_octreeQuery.setCameraNearClip(0.1f);
_octreeQuery.setCameraFarClip(0.1f);
if (wantExtraDebugging) {
qCDebug(octree) << "Using 'minimal' camera position for node" << *node;
}
} else {
if (wantExtraDebugging) {
qCDebug(octree) << "Using regular camera position for node" << *node;
}
}
_octreeQuery.setMaxQueryPacketsPerSecond(perUnknownServer);
} else {
_octreeQuery.setMaxQueryPacketsPerSecond(0);
}
// setup the query packet
auto queryPacket = NLPacket::create(packetType);
_octreeQuery.getBroadcastData(reinterpret_cast<unsigned char*>(queryPacket->getPayload()));
// ask the NodeList to send it
nodeList->sendPacket(std::move(queryPacket), *node);
}
});
}
