void OctreeQueryNode::resetOctreePacket() {
// if shutting down, return immediately
if (_isShuttingDown) {
return;
}
// Whenever we call this, we will keep a copy of the last packet, so we can determine if the last packet has
// changed since we last reset it. Since we know that no two packets can ever be identical without being the same
// scene information, (e.g. the root node packet of a static scene), we can use this as a strategy for reducing
// packet send rate.
_lastOctreePacketLength = _octreePacket->getPayloadSize();
memcpy(_lastOctreePayload.data(), _octreePacket->getPayload(), _lastOctreePacketLength);
// If we're moving, and the client asked for low res, then we force monochrome, otherwise, use
// the clients requested color state.
OCTREE_PACKET_FLAGS flags = 0;
setAtBit(flags, PACKET_IS_COLOR_BIT); // always color
setAtBit(flags, PACKET_IS_COMPRESSED_BIT); // always compressed
_octreePacket->reset();
// pack in flags
_octreePacket->writePrimitive(flags);
// pack in sequence number
_octreePacket->writePrimitive(_sequenceNumber);
// pack in timestamp
OCTREE_PACKET_SENT_TIME now = usecTimestampNow();
_octreePacket->writePrimitive(now);
_octreePacketWaiting = false;
}
void OctreeQueryNode::resetOctreePacket() {
// if shutting down, return immediately
if (_isShuttingDown) {
return;
}
// Whenever we call this, we will keep a copy of the last packet, so we can determine if the last packet has
// changed since we last reset it. Since we know that no two packets can ever be identical without being the same
// scene information, (e.g. the root node packet of a static scene), we can use this as a strategy for reducing
// packet send rate.
_lastOctreePacketLength = getPacketLength();
memcpy(_lastOctreePacket, _octreePacket, _lastOctreePacketLength);
// If we're moving, and the client asked for low res, then we force monochrome, otherwise, use
// the clients requested color state.
_currentPacketIsColor = getWantColor();
_currentPacketIsCompressed = getWantCompression();
OCTREE_PACKET_FLAGS flags = 0;
if (_currentPacketIsColor) {
setAtBit(flags,PACKET_IS_COLOR_BIT);
}
if (_currentPacketIsCompressed) {
setAtBit(flags,PACKET_IS_COMPRESSED_BIT);
}
_octreePacketAvailableBytes = MAX_PACKET_SIZE;
int numBytesPacketHeader = populatePacketHeader(reinterpret_cast<char*>(_octreePacket), _myPacketType);
_octreePacketAt = _octreePacket + numBytesPacketHeader;
_octreePacketAvailableBytes -= numBytesPacketHeader;
// pack in flags
OCTREE_PACKET_FLAGS* flagsAt = (OCTREE_PACKET_FLAGS*)_octreePacketAt;
*flagsAt = flags;
_octreePacketAt += sizeof(OCTREE_PACKET_FLAGS);
_octreePacketAvailableBytes -= sizeof(OCTREE_PACKET_FLAGS);
// pack in sequence number
OCTREE_PACKET_SEQUENCE* sequenceAt = (OCTREE_PACKET_SEQUENCE*)_octreePacketAt;
*sequenceAt = _sequenceNumber;
_octreePacketAt += sizeof(OCTREE_PACKET_SEQUENCE);
_octreePacketAvailableBytes -= sizeof(OCTREE_PACKET_SEQUENCE);
// pack in timestamp
OCTREE_PACKET_SENT_TIME now = usecTimestampNow();
OCTREE_PACKET_SENT_TIME* timeAt = (OCTREE_PACKET_SENT_TIME*)_octreePacketAt;
*timeAt = now;
_octreePacketAt += sizeof(OCTREE_PACKET_SENT_TIME);
_octreePacketAvailableBytes -= sizeof(OCTREE_PACKET_SENT_TIME);
_octreePacketWaiting = false;
}
int OctreeQuery::getBroadcastData(unsigned char* destinationBuffer) {
unsigned char* bufferStart = destinationBuffer;
// TODO: DRY this up to a shared method
// that can pack any type given the number of bytes
// and return the number of bytes to push the pointer
// camera details
memcpy(destinationBuffer, &_cameraPosition, sizeof(_cameraPosition));
destinationBuffer += sizeof(_cameraPosition);
destinationBuffer += packOrientationQuatToBytes(destinationBuffer, _cameraOrientation);
destinationBuffer += packFloatAngleToTwoByte(destinationBuffer, _cameraFov);
destinationBuffer += packFloatRatioToTwoByte(destinationBuffer, _cameraAspectRatio);
destinationBuffer += packClipValueToTwoByte(destinationBuffer, _cameraNearClip);
destinationBuffer += packClipValueToTwoByte(destinationBuffer, _cameraFarClip);
memcpy(destinationBuffer, &_cameraEyeOffsetPosition, sizeof(_cameraEyeOffsetPosition));
destinationBuffer += sizeof(_cameraEyeOffsetPosition);
// bitMask of less than byte wide items
unsigned char bitItems = 0;
// NOTE: we need to keep these here for new clients to talk to old servers. After we know that the clients and
// servers and clients have all been updated we could remove these bits. New servers will always force these
// features on old clients even if they don't ask for them. (which old clients will properly handle). New clients
// will always ask for these so that old servers will use these features.
setAtBit(bitItems, WANT_LOW_RES_MOVING_BIT);
setAtBit(bitItems, WANT_COLOR_AT_BIT);
setAtBit(bitItems, WANT_DELTA_AT_BIT);
setAtBit(bitItems, WANT_COMPRESSION);
*destinationBuffer++ = bitItems;
// desired Max Octree PPS
memcpy(destinationBuffer, &_maxQueryPPS, sizeof(_maxQueryPPS));
destinationBuffer += sizeof(_maxQueryPPS);
// desired voxelSizeScale
memcpy(destinationBuffer, &_octreeElementSizeScale, sizeof(_octreeElementSizeScale));
destinationBuffer += sizeof(_octreeElementSizeScale);
// desired boundaryLevelAdjust
memcpy(destinationBuffer, &_boundaryLevelAdjust, sizeof(_boundaryLevelAdjust));
destinationBuffer += sizeof(_boundaryLevelAdjust);
memcpy(destinationBuffer, &_cameraCenterRadius, sizeof(_cameraCenterRadius));
destinationBuffer += sizeof(_cameraCenterRadius);
return destinationBuffer - bufferStart;
}
void sendEnvironmentPacket(const SharedNodePointer& node, AudioMixerClientData& data) {
bool hasReverb = false;
float reverbTime, wetLevel;
auto& reverbSettings = AudioMixer::getReverbSettings();
auto& audioZones = AudioMixer::getAudioZones();
AvatarAudioStream* stream = data.getAvatarAudioStream();
glm::vec3 streamPosition = stream->getPosition();
// find reverb properties
for (int i = 0; i < reverbSettings.size(); ++i) {
AABox box = audioZones[reverbSettings[i].zone];
if (box.contains(streamPosition)) {
hasReverb = true;
reverbTime = reverbSettings[i].reverbTime;
wetLevel = reverbSettings[i].wetLevel;
break;
}
}
// check if data changed
bool dataChanged = (stream->hasReverb() != hasReverb) ||
(stream->hasReverb() && (stream->getRevebTime() != reverbTime || stream->getWetLevel() != wetLevel));
if (dataChanged) {
// update stream
if (hasReverb) {
stream->setReverb(reverbTime, wetLevel);
} else {
stream->clearReverb();
}
}
// send packet at change or every so often
float CHANCE_OF_SEND = 0.01f;
bool sendData = dataChanged || (randFloat() < CHANCE_OF_SEND);
if (sendData) {
// size the packet
unsigned char bitset = 0;
int packetSize = sizeof(bitset);
if (hasReverb) {
packetSize += sizeof(reverbTime) + sizeof(wetLevel);
}
// write the packet
auto envPacket = NLPacket::create(PacketType::AudioEnvironment, packetSize);
if (hasReverb) {
setAtBit(bitset, HAS_REVERB_BIT);
}
envPacket->writePrimitive(bitset);
if (hasReverb) {
envPacket->writePrimitive(reverbTime);
envPacket->writePrimitive(wetLevel);
}
// send the packet
DependencyManager::get<NodeList>()->sendPacket(std::move(envPacket), *node);
}
}
int OctreeQuery::getBroadcastData(unsigned char* destinationBuffer) {
unsigned char* bufferStart = destinationBuffer;
// TODO: DRY this up to a shared method
// that can pack any type given the number of bytes
// and return the number of bytes to push the pointer
// camera details
memcpy(destinationBuffer, &_cameraPosition, sizeof(_cameraPosition));
destinationBuffer += sizeof(_cameraPosition);
destinationBuffer += packOrientationQuatToBytes(destinationBuffer, _cameraOrientation);
destinationBuffer += packFloatAngleToTwoByte(destinationBuffer, _cameraFov);
destinationBuffer += packFloatRatioToTwoByte(destinationBuffer, _cameraAspectRatio);
destinationBuffer += packClipValueToTwoByte(destinationBuffer, _cameraNearClip);
destinationBuffer += packClipValueToTwoByte(destinationBuffer, _cameraFarClip);
memcpy(destinationBuffer, &_cameraEyeOffsetPosition, sizeof(_cameraEyeOffsetPosition));
destinationBuffer += sizeof(_cameraEyeOffsetPosition);
// bitMask of less than byte wide items
unsigned char bitItems = 0;
if (_wantLowResMoving) { setAtBit(bitItems, WANT_LOW_RES_MOVING_BIT); }
if (_wantColor) { setAtBit(bitItems, WANT_COLOR_AT_BIT); }
if (_wantDelta) { setAtBit(bitItems, WANT_DELTA_AT_BIT); }
if (_wantOcclusionCulling) { setAtBit(bitItems, WANT_OCCLUSION_CULLING_BIT); }
if (_wantCompression) { setAtBit(bitItems, WANT_COMPRESSION); }
*destinationBuffer++ = bitItems;
// desired Max Octree PPS
memcpy(destinationBuffer, &_maxOctreePPS, sizeof(_maxOctreePPS));
destinationBuffer += sizeof(_maxOctreePPS);
// desired voxelSizeScale
memcpy(destinationBuffer, &_octreeElementSizeScale, sizeof(_octreeElementSizeScale));
destinationBuffer += sizeof(_octreeElementSizeScale);
// desired boundaryLevelAdjust
memcpy(destinationBuffer, &_boundaryLevelAdjust, sizeof(_boundaryLevelAdjust));
destinationBuffer += sizeof(_boundaryLevelAdjust);
return destinationBuffer - bufferStart;
}
void OctreeElement::printDebugDetails(const char* label) const {
unsigned char childBits = 0;
for (int i = 0; i < NUMBER_OF_CHILDREN; i++) {
OctreeElement* childAt = getChildAtIndex(i);
if (childAt) {
setAtBit(childBits,i);
}
}
QDebug elementDebug = qDebug().nospace();
QString resultString;
resultString.sprintf("%s - Voxel at corner=(%f,%f,%f) size=%f\n isLeaf=%s isDirty=%s shouldRender=%s\n children=", label,
(double)_cube.getCorner().x, (double)_cube.getCorner().y, (double)_cube.getCorner().z,
(double)_cube.getScale(),
debug::valueOf(isLeaf()), debug::valueOf(isDirty()), debug::valueOf(getShouldRender()));
elementDebug << resultString;
outputBits(childBits, &elementDebug);
qDebug("octalCode=");
printOctalCode(getOctalCode());
}
void OctreeElement::setChildAtIndex(int childIndex, OctreeElement* child) {
#ifdef SIMPLE_CHILD_ARRAY
int previousChildCount = getChildCount();
if (child) {
setAtBit(_childBitmask, childIndex);
} else {
clearAtBit(_childBitmask, childIndex);
}
int newChildCount = getChildCount();
// store the child in our child array
_simpleChildArray[childIndex] = child;
// track our population data
if (previousChildCount != newChildCount) {
_childrenCount[previousChildCount]--;
_childrenCount[newChildCount]++;
}
#endif
#ifdef SIMPLE_EXTERNAL_CHILDREN
int firstIndex = getNthBit(_childBitmask, 1);
int secondIndex = getNthBit(_childBitmask, 2);
int previousChildCount = getChildCount();
if (child) {
setAtBit(_childBitmask, childIndex);
} else {
clearAtBit(_childBitmask, childIndex);
}
int newChildCount = getChildCount();
// track our population data
if (previousChildCount != newChildCount) {
_childrenCount[previousChildCount]--;
_childrenCount[newChildCount]++;
}
if ((previousChildCount == 0 || previousChildCount == 1) && newChildCount == 0) {
_children.single = NULL;
} else if (previousChildCount == 0 && newChildCount == 1) {
_children.single = child;
} else if (previousChildCount == 1 && newChildCount == 2) {
OctreeElement* previousChild = _children.single;
_children.external = new OctreeElement*[NUMBER_OF_CHILDREN];
memset(_children.external, 0, sizeof(OctreeElement*) * NUMBER_OF_CHILDREN);
_children.external[firstIndex] = previousChild;
_children.external[childIndex] = child;
_childrenExternal = true;
_externalChildrenMemoryUsage += NUMBER_OF_CHILDREN * sizeof(OctreeElement*);
} else if (previousChildCount == 2 && newChildCount == 1) {
assert(!child); // we are removing a child, so this must be true!
OctreeElement* previousFirstChild = _children.external[firstIndex];
OctreeElement* previousSecondChild = _children.external[secondIndex];
delete[] _children.external;
_childrenExternal = false;
_externalChildrenMemoryUsage -= NUMBER_OF_CHILDREN * sizeof(OctreeElement*);
if (childIndex == firstIndex) {
_children.single = previousSecondChild;
} else {
_children.single = previousFirstChild;
}
} else {
_children.external[childIndex] = child;
}
#endif // def SIMPLE_EXTERNAL_CHILDREN
}
void AudioMixer::sendAudioEnvironmentPacket(SharedNodePointer node) {
// Send stream properties
bool hasReverb = false;
float reverbTime, wetLevel;
// find reverb properties
for (int i = 0; i < _zoneReverbSettings.size(); ++i) {
AudioMixerClientData* data = static_cast<AudioMixerClientData*>(node->getLinkedData());
glm::vec3 streamPosition = data->getAvatarAudioStream()->getPosition();
AABox box = _audioZones[_zoneReverbSettings[i].zone];
if (box.contains(streamPosition)) {
hasReverb = true;
reverbTime = _zoneReverbSettings[i].reverbTime;
wetLevel = _zoneReverbSettings[i].wetLevel;
// Modulate wet level with distance to wall
float MIN_ATTENUATION_DISTANCE = 2.0f;
float MAX_ATTENUATION = -12; // dB
glm::vec3 distanceToWalls = (box.getDimensions() / 2.0f) - glm::abs(streamPosition - box.calcCenter());
float distanceToClosestWall = glm::min(distanceToWalls.x, distanceToWalls.z);
if (distanceToClosestWall < MIN_ATTENUATION_DISTANCE) {
wetLevel += MAX_ATTENUATION * (1.0f - distanceToClosestWall / MIN_ATTENUATION_DISTANCE);
}
break;
}
}
AudioMixerClientData* nodeData = static_cast<AudioMixerClientData*>(node->getLinkedData());
AvatarAudioStream* stream = nodeData->getAvatarAudioStream();
bool dataChanged = (stream->hasReverb() != hasReverb) ||
(stream->hasReverb() && (stream->getRevebTime() != reverbTime ||
stream->getWetLevel() != wetLevel));
if (dataChanged) {
// Update stream
if (hasReverb) {
stream->setReverb(reverbTime, wetLevel);
} else {
stream->clearReverb();
}
}
// Send at change or every so often
float CHANCE_OF_SEND = 0.01f;
bool sendData = dataChanged || (randFloat() < CHANCE_OF_SEND);
if (sendData) {
auto nodeList = DependencyManager::get<NodeList>();
unsigned char bitset = 0;
int packetSize = sizeof(bitset);
if (hasReverb) {
packetSize += sizeof(reverbTime) + sizeof(wetLevel);
}
auto envPacket = NLPacket::create(PacketType::AudioEnvironment, packetSize);
if (hasReverb) {
setAtBit(bitset, HAS_REVERB_BIT);
}
envPacket->writePrimitive(bitset);
if (hasReverb) {
envPacket->writePrimitive(reverbTime);
envPacket->writePrimitive(wetLevel);
}
nodeList->sendPacket(std::move(envPacket), *node);
}
}