void ScriptEngine::run() {
// TODO: can we add a short circuit for _stoppingAllScripts here? What does it mean to not start running if
// we're in the process of stopping?
if (!_isInitialized) {
init();
}
_isRunning = true;
_isFinished = false;
emit runningStateChanged();
QScriptValue result = evaluate(_scriptContents);
QElapsedTimer startTime;
startTime.start();
int thisFrame = 0;
auto nodeList = DependencyManager::get<NodeList>();
auto entityScriptingInterface = DependencyManager::get<EntityScriptingInterface>();
qint64 lastUpdate = usecTimestampNow();
while (!_isFinished) {
int usecToSleep = (thisFrame++ * SCRIPT_DATA_CALLBACK_USECS) - startTime.nsecsElapsed() / 1000; // nsec to usec
if (usecToSleep > 0) {
usleep(usecToSleep);
}
if (_isFinished) {
break;
}
QCoreApplication::processEvents();
if (_isFinished) {
break;
}
if (!_isFinished && entityScriptingInterface->getEntityPacketSender()->serversExist()) {
// release the queue of edit entity messages.
entityScriptingInterface->getEntityPacketSender()->releaseQueuedMessages();
// since we're in non-threaded mode, call process so that the packets are sent
if (!entityScriptingInterface->getEntityPacketSender()->isThreaded()) {
entityScriptingInterface->getEntityPacketSender()->process();
}
}
if (!_isFinished && _isAvatar && _avatarData) {
const int SCRIPT_AUDIO_BUFFER_SAMPLES = floor(((SCRIPT_DATA_CALLBACK_USECS * AudioConstants::SAMPLE_RATE)
/ (1000 * 1000)) + 0.5);
const int SCRIPT_AUDIO_BUFFER_BYTES = SCRIPT_AUDIO_BUFFER_SAMPLES * sizeof(int16_t);
QByteArray avatarByteArray = _avatarData->toByteArray();
auto avatarPacket = NLPacket::create(PacketType::AvatarData, avatarByteArray.size());
avatarPacket->write(avatarByteArray);
nodeList->broadcastToNodes(std::move(avatarPacket), NodeSet() << NodeType::AvatarMixer);
if (_isListeningToAudioStream || _avatarSound) {
// if we have an avatar audio stream then send it out to our audio-mixer
bool silentFrame = true;
int16_t numAvailableSamples = SCRIPT_AUDIO_BUFFER_SAMPLES;
const int16_t* nextSoundOutput = NULL;
if (_avatarSound) {
const QByteArray& soundByteArray = _avatarSound->getByteArray();
nextSoundOutput = reinterpret_cast<const int16_t*>(soundByteArray.data()
+ _numAvatarSoundSentBytes);
int numAvailableBytes = (soundByteArray.size() - _numAvatarSoundSentBytes) > SCRIPT_AUDIO_BUFFER_BYTES
? SCRIPT_AUDIO_BUFFER_BYTES
: soundByteArray.size() - _numAvatarSoundSentBytes;
numAvailableSamples = numAvailableBytes / sizeof(int16_t);
// check if the all of the _numAvatarAudioBufferSamples to be sent are silence
for (int i = 0; i < numAvailableSamples; ++i) {
if (nextSoundOutput[i] != 0) {
silentFrame = false;
break;
}
}
_numAvatarSoundSentBytes += numAvailableBytes;
if (_numAvatarSoundSentBytes == soundByteArray.size()) {
// we're done with this sound object - so set our pointer back to NULL
// and our sent bytes back to zero
_avatarSound = NULL;
_numAvatarSoundSentBytes = 0;
}
}
auto audioPacket = NLPacket::create(silentFrame
? PacketType::SilentAudioFrame
: PacketType::MicrophoneAudioNoEcho);
// seek past the sequence number, will be packed when destination node is known
audioPacket->seek(sizeof(quint16));
if (silentFrame) {
if (!_isListeningToAudioStream) {
// if we have a silent frame and we're not listening then just send nothing and break out of here
break;
}
// write the number of silent samples so the audio-mixer can uphold timing
audioPacket->writePrimitive(SCRIPT_AUDIO_BUFFER_SAMPLES);
// use the orientation and position of this avatar for the source of this audio
audioPacket->writePrimitive(_avatarData->getPosition());
glm::quat headOrientation = _avatarData->getHeadOrientation();
audioPacket->writePrimitive(headOrientation);
} else if (nextSoundOutput) {
// assume scripted avatar audio is mono and set channel flag to zero
audioPacket->writePrimitive((quint8) 0);
// use the orientation and position of this avatar for the source of this audio
audioPacket->writePrimitive(_avatarData->getPosition());
glm::quat headOrientation = _avatarData->getHeadOrientation();
audioPacket->writePrimitive(headOrientation);
// write the raw audio data
audioPacket->write(reinterpret_cast<const char*>(nextSoundOutput), numAvailableSamples * sizeof(int16_t));
}
// write audio packet to AudioMixer nodes
auto nodeList = DependencyManager::get<NodeList>();
nodeList->eachNode([this, &nodeList, &audioPacket](const SharedNodePointer& node){
// only send to nodes of type AudioMixer
if (node->getType() == NodeType::AudioMixer) {
// pack sequence number
quint16 sequence = _outgoingScriptAudioSequenceNumbers[node->getUUID()]++;
audioPacket->seek(0);
audioPacket->writePrimitive(sequence);
// send audio packet
nodeList->sendUnreliablePacket(*audioPacket, *node);
}
});
}
}
qint64 now = usecTimestampNow();
float deltaTime = (float) (now - lastUpdate) / (float) USECS_PER_SECOND;
if (hasUncaughtException()) {
int line = uncaughtExceptionLineNumber();
qCDebug(scriptengine) << "Uncaught exception at (" << _fileNameString << ") line" << line << ":" << uncaughtException().toString();
emit errorMessage("Uncaught exception at (" + _fileNameString + ") line" + QString::number(line) + ":" + uncaughtException().toString());
clearExceptions();
}
if (!_isFinished) {
emit update(deltaTime);
}
lastUpdate = now;
}
stopAllTimers(); // make sure all our timers are stopped if the script is ending
emit scriptEnding();
// kill the avatar identity timer
delete _avatarIdentityTimer;
if (entityScriptingInterface->getEntityPacketSender()->serversExist()) {
// release the queue of edit entity messages.
entityScriptingInterface->getEntityPacketSender()->releaseQueuedMessages();
// since we're in non-threaded mode, call process so that the packets are sent
if (!entityScriptingInterface->getEntityPacketSender()->isThreaded()) {
// wait here till the edit packet sender is completely done sending
while (entityScriptingInterface->getEntityPacketSender()->hasPacketsToSend()) {
entityScriptingInterface->getEntityPacketSender()->process();
QCoreApplication::processEvents();
}
} else {
// FIXME - do we need to have a similar "wait here" loop for non-threaded packet senders?
}
}
emit finished(_fileNameString);
_isRunning = false;
emit runningStateChanged();
emit doneRunning();
_doneRunningThisScript = true;
}
void ScriptEngine::run() {
if (!_isInitialized) {
init();
}
_isRunning = true;
emit runningStateChanged();
QScriptValue result = _engine.evaluate(_scriptContents);
if (_engine.hasUncaughtException()) {
int line = _engine.uncaughtExceptionLineNumber();
qDebug() << "Uncaught exception at line" << line << ":" << result.toString();
emit errorMessage("Uncaught exception at line" + QString::number(line) + ":" + result.toString());
}
QElapsedTimer startTime;
startTime.start();
int thisFrame = 0;
NodeList* nodeList = NodeList::getInstance();
qint64 lastUpdate = usecTimestampNow();
while (!_isFinished) {
int usecToSleep = (thisFrame++ * SCRIPT_DATA_CALLBACK_USECS) - startTime.nsecsElapsed() / 1000; // nsec to usec
if (usecToSleep > 0) {
usleep(usecToSleep);
}
if (_isFinished) {
break;
}
QCoreApplication::processEvents();
if (_isFinished) {
break;
}
if (_voxelsScriptingInterface.getVoxelPacketSender()->serversExist()) {
// release the queue of edit voxel messages.
_voxelsScriptingInterface.getVoxelPacketSender()->releaseQueuedMessages();
// since we're in non-threaded mode, call process so that the packets are sent
if (!_voxelsScriptingInterface.getVoxelPacketSender()->isThreaded()) {
_voxelsScriptingInterface.getVoxelPacketSender()->process();
}
}
if (_particlesScriptingInterface.getParticlePacketSender()->serversExist()) {
// release the queue of edit voxel messages.
_particlesScriptingInterface.getParticlePacketSender()->releaseQueuedMessages();
// since we're in non-threaded mode, call process so that the packets are sent
if (!_particlesScriptingInterface.getParticlePacketSender()->isThreaded()) {
_particlesScriptingInterface.getParticlePacketSender()->process();
}
}
if (_modelsScriptingInterface.getModelPacketSender()->serversExist()) {
// release the queue of edit voxel messages.
_modelsScriptingInterface.getModelPacketSender()->releaseQueuedMessages();
// since we're in non-threaded mode, call process so that the packets are sent
if (!_modelsScriptingInterface.getModelPacketSender()->isThreaded()) {
_modelsScriptingInterface.getModelPacketSender()->process();
}
}
if (_isAvatar && _avatarData) {
const int SCRIPT_AUDIO_BUFFER_SAMPLES = floor(((SCRIPT_DATA_CALLBACK_USECS * SAMPLE_RATE) / (1000 * 1000)) + 0.5);
const int SCRIPT_AUDIO_BUFFER_BYTES = SCRIPT_AUDIO_BUFFER_SAMPLES * sizeof(int16_t);
QByteArray avatarPacket = byteArrayWithPopulatedHeader(PacketTypeAvatarData);
avatarPacket.append(_avatarData->toByteArray());
nodeList->broadcastToNodes(avatarPacket, NodeSet() << NodeType::AvatarMixer);
if (_isListeningToAudioStream || _avatarSound) {
// if we have an avatar audio stream then send it out to our audio-mixer
bool silentFrame = true;
int16_t numAvailableSamples = SCRIPT_AUDIO_BUFFER_SAMPLES;
const int16_t* nextSoundOutput = NULL;
if (_avatarSound) {
const QByteArray& soundByteArray = _avatarSound->getByteArray();
nextSoundOutput = reinterpret_cast<const int16_t*>(soundByteArray.data()
+ _numAvatarSoundSentBytes);
int numAvailableBytes = (soundByteArray.size() - _numAvatarSoundSentBytes) > SCRIPT_AUDIO_BUFFER_BYTES
? SCRIPT_AUDIO_BUFFER_BYTES
: soundByteArray.size() - _numAvatarSoundSentBytes;
numAvailableSamples = numAvailableBytes / sizeof(int16_t);
// check if the all of the _numAvatarAudioBufferSamples to be sent are silence
for (int i = 0; i < numAvailableSamples; ++i) {
if (nextSoundOutput[i] != 0) {
silentFrame = false;
break;
}
}
_numAvatarSoundSentBytes += numAvailableBytes;
if (_numAvatarSoundSentBytes == soundByteArray.size()) {
// we're done with this sound object - so set our pointer back to NULL
// and our sent bytes back to zero
_avatarSound = NULL;
_numAvatarSoundSentBytes = 0;
}
}
QByteArray audioPacket = byteArrayWithPopulatedHeader(silentFrame
? PacketTypeSilentAudioFrame
: PacketTypeMicrophoneAudioNoEcho);
QDataStream packetStream(&audioPacket, QIODevice::Append);
// use the orientation and position of this avatar for the source of this audio
packetStream.writeRawData(reinterpret_cast<const char*>(&_avatarData->getPosition()), sizeof(glm::vec3));
glm::quat headOrientation = _avatarData->getHeadOrientation();
packetStream.writeRawData(reinterpret_cast<const char*>(&headOrientation), sizeof(glm::quat));
if (silentFrame) {
if (!_isListeningToAudioStream) {
// if we have a silent frame and we're not listening then just send nothing and break out of here
break;
}
// write the number of silent samples so the audio-mixer can uphold timing
packetStream.writeRawData(reinterpret_cast<const char*>(&SCRIPT_AUDIO_BUFFER_SAMPLES), sizeof(int16_t));
} else if (nextSoundOutput) {
// write the raw audio data
packetStream.writeRawData(reinterpret_cast<const char*>(nextSoundOutput),
numAvailableSamples * sizeof(int16_t));
}
nodeList->broadcastToNodes(audioPacket, NodeSet() << NodeType::AudioMixer);
}
}
qint64 now = usecTimestampNow();
float deltaTime = (float) (now - lastUpdate) / (float) USECS_PER_SECOND;
emit update(deltaTime);
lastUpdate = now;
if (_engine.hasUncaughtException()) {
int line = _engine.uncaughtExceptionLineNumber();
qDebug() << "Uncaught exception at line" << line << ":" << _engine.uncaughtException().toString();
emit errorMessage("Uncaught exception at line" + QString::number(line) + ":" + _engine.uncaughtException().toString());
}
}
emit scriptEnding();
// kill the avatar identity timer
delete _avatarIdentityTimer;
if (_voxelsScriptingInterface.getVoxelPacketSender()->serversExist()) {
// release the queue of edit voxel messages.
_voxelsScriptingInterface.getVoxelPacketSender()->releaseQueuedMessages();
// since we're in non-threaded mode, call process so that the packets are sent
if (!_voxelsScriptingInterface.getVoxelPacketSender()->isThreaded()) {
_voxelsScriptingInterface.getVoxelPacketSender()->process();
}
}
if (_particlesScriptingInterface.getParticlePacketSender()->serversExist()) {
// release the queue of edit voxel messages.
_particlesScriptingInterface.getParticlePacketSender()->releaseQueuedMessages();
// since we're in non-threaded mode, call process so that the packets are sent
if (!_particlesScriptingInterface.getParticlePacketSender()->isThreaded()) {
_particlesScriptingInterface.getParticlePacketSender()->process();
}
}
if (_modelsScriptingInterface.getModelPacketSender()->serversExist()) {
// release the queue of edit voxel messages.
_modelsScriptingInterface.getModelPacketSender()->releaseQueuedMessages();
// since we're in non-threaded mode, call process so that the packets are sent
if (!_modelsScriptingInterface.getModelPacketSender()->isThreaded()) {
_modelsScriptingInterface.getModelPacketSender()->process();
}
}
// If we were on a thread, then wait till it's done
if (thread()) {
thread()->quit();
}
emit finished(_fileNameString);
_isRunning = false;
emit runningStateChanged();
}
