//------------------------------------------------------------------------------
// reset() -- Reset parameters
//------------------------------------------------------------------------------
void RfSensor::reset()
{
BaseClass::reset();
// ---
// Do we need to find the track manager?
// ---
if (getTrackManager() == 0 && getTrackManagerName() != 0 && getOwnship() != 0) {
// We have a name of the track manager, but not the track manager itself
const char* name = *getTrackManagerName();
// Get the named track manager from the onboard computer
OnboardComputer* obc = getOwnship()->getOnboardComputer();
if (obc != 0) {
setTrackManager( obc->getTrackManagerByName(name) );
}
if (getTrackManager() == 0) {
// The assigned track manager was not found!
std::cerr << "RfSensor::reset() ERROR -- track manager, " << name << ", was not found!" << std::endl;
setTrackManagerName(0);
}
}
scanning = false;
scanBar = 0;
if (nRanges > 0 && ranges != 0) {
rngIdx = 1;
if (initRngIdx >= 1 && initRngIdx <= nRanges) {
rngIdx = initRngIdx;
}
setRange( ranges[rngIdx-1] );
}
}
//------------------------------------------------------------------------------
// updateData() -- update background data here
//------------------------------------------------------------------------------
void IrSensor::updateData(const double dt)
{
BaseClass::updateData(dt);
// ---
// Do we need to find the track manager?
// ---
if (getTrackManager() == nullptr && getTrackManagerName() != nullptr && getOwnship() != nullptr) {
// We have a name of the track manager, but not the track manager itself
const char* name = *getTrackManagerName();
// Get the named track manager from the onboard computer
OnboardComputer* obc = getOwnship()->getOnboardComputer();
if (obc != nullptr) {
setTrackManager( obc->getTrackManagerByName(name) );
}
if (getTrackManager() == nullptr) {
// The assigned track manager was not found!
if (isMessageEnabled(MSG_ERROR)) {
std::cerr << "IrSensor::reset() ERROR -- track manager, " << name << ", was not found!" << std::endl;
}
setTrackManagerName(nullptr);
}
}
}
//------------------------------------------------------------------------------
// reset() -- Reset parameters
//------------------------------------------------------------------------------
void Datalink::reset()
{
clearQueues();
// ---
// Do we need to find the track manager?
// ---
if (getTrackManager() == 0 && getTrackManagerName() != 0) {
// We have a name of the track manager, but not the track manager itself
const char* name = *getTrackManagerName();
// Get the named track manager from the onboard computer
Player* ownship = dynamic_cast<Player*>( findContainerByType(typeid(Player)) );
if (ownship != 0) {
OnboardComputer* obc = ownship->getOnboardComputer();
if (obc != 0) {
setTrackManager(obc->getTrackManagerByName(name));
}
}
if (getTrackManager() == 0) {
// The assigned track manager was not found!
//if (isMessageEnabled(MSG_ERROR)) {
//std::cerr << "Datalink ERROR -- track manager, " << name << ", was not found!" << std::endl;
//}
}
}
// ---
// Do we need to find the comm radio?
// ---
if (getRadio() == 0 && getRadioName() != 0) {
// We have a name of the radio, but not the radio itself
const char* name = *getRadioName();
// Get the named radio from the component list of radios
Player* ownship = dynamic_cast<Player*>( findContainerByType(typeid(Player)) );
if (ownship != 0) {
CommRadio* cr = dynamic_cast<CommRadio*>(ownship->getRadioByName(name));
setRadio(cr);
}
CommRadio* rad = getRadio();
if (rad == 0) {
// The assigned radio was not found!
if (isMessageEnabled(MSG_ERROR)) {
std::cerr << "Datalink ERROR -- radio, " << name << ", was not found!" << std::endl;
}
}
else {
rad->setDatalink(this);
rad->setReceiverEnabledFlag(true);
rad->setTransmitterEnableFlag(true);
}
}
BaseClass::reset();
}
//------------------------------------------------------------------------------
// reset() -- Reset parameters
//------------------------------------------------------------------------------
void MergingIrSensor::reset()
{
BaseClass::reset();
// check the type of our track manager - we need to use the AirAngleOnlyTrkMgrPT
if (getTrackManager() != nullptr) {
const AirAngleOnlyTrkMgrPT* a = dynamic_cast<const AirAngleOnlyTrkMgrPT*>(getTrackManager());
if (a == nullptr) {
if (isMessageEnabled(MSG_WARNING)) {
std::cerr << "MergingIrSensor::reset() : track manager is not an AirAngleOnlyTrkMgrPT" << std::endl;
}
}
}
}
void IrSensor::process(const double dt)
{
BaseClass::process(dt);
int numRecords = storedMessagesQueue.entries();
if (numRecords > 0) {
AngleOnlyTrackManager* tm = static_cast<AngleOnlyTrackManager*>(getTrackManager());
if (tm != nullptr) {
base::lock(storedMessagesLock);
numRecords = storedMessagesQueue.entries();
// Send on all messages EXCEPT those with signal below threshold and those merged
// into another signal. Those will simply be ignored and unreferenced.
for (int i=0; i < numRecords; i++) {
IrQueryMsg* msg = storedMessagesQueue.get();
if (msg->getQueryMergeStatus() != IrQueryMsg::MERGED_OUT) {
if (msg->getSignalToNoiseRatio() > getThreshold())
tm->newReport(msg, msg->getSignalToNoiseRatio());
}
msg->unref();
}
base::unlock(storedMessagesLock);
}
}
}
//------------------------------------------------------------------------------
// process() -- process the TWS reports
//------------------------------------------------------------------------------
void Radar::process(const LCreal dt)
{
BaseClass::process(dt);
// Find the track manager
TrackManager* tm = getTrackManager();
if (tm == nullptr) {
// No track manager! Then just flush the input queue.
lcLock(myLock);
for (Emission* em = rptQueue.get(); em != nullptr; em = rptQueue.get()) {
em->unref();
rptSnQueue.get();
}
lcUnlock(myLock);
}
// ---
// When end of scan, send all unsent reports to the track manager
// ---
if (endOfScanFlg) {
endOfScanFlg = false;
lcLock(myLock);
for (unsigned int i = 0; i < numReports && i < MAX_REPORTS; i++) {
if (tm != nullptr) {
tm->newReport(reports[i], rptMaxSn[i]);
}
reports[i]->unref();
reports[i] = nullptr;
rptMaxSn[i] = 0;
}
numReports = 0;
lcUnlock(myLock);
}
// ---
// Process our returned emissions into reports for the track manager
// 1) Match each emission with existing reports
// 2) On emission/report matches, if the S/N value of the new emission
// is greater than the report, use the new emission
// 3) Create new reports for unmatched emissions
// ---
lcLock(myLock);
while (rptQueue.isNotEmpty()) {
// Get the emission
Emission* em = rptQueue.get();
LCreal snDbl = rptSnQueue.get();
if (em != nullptr) {
// ---
// 1) Match the emission with existing reports
// ---
int matched = -1;
for (unsigned int i = 0; i < numReports && matched < 0; i++) {
// Compare targets
if ( em->getTarget() == reports[i]->getTarget() ) {
// We have a match!!!
matched = i;
}
}
// ---
// 2) On emission/report match
// ---
if (matched >= 0) {
if (snDbl > rptMaxSn[matched]) {
// When the S/N value of the new emission is greater than the report,
// we use the new emission
reports[matched]->unref();
em->ref();
reports[matched] = em;
rptMaxSn[matched] = snDbl;
}
}
// ---
// 3) Create a new report entry for the unmatched emission
// ---
if (matched < 0 && numReports < MAX_REPORTS) {
em->ref();
reports[numReports] = em;
rptMaxSn[numReports] = snDbl;
numReports++;
}
// finished
em->unref();
}
}
lcUnlock(myLock);
}
//------------------------------------------------------------------------------
// receive() -- process received emissions
//------------------------------------------------------------------------------
void Rwr::receive(const LCreal dt)
{
BaseClass::receive(dt);
// clear the back buffer
clearRays(0);
// Receiver losses
#if 0
LCreal noise = getRfRecvNoise();
#else
LCreal noise = getRfRecvNoise() * getRfReceiveLoss();
#endif
// Process received emissions
TrackManager* tm = getTrackManager();
Emission* em = 0;
LCreal signal = 0;
// Get an emission from the queue
lcLock(packetLock);
if (np > 0) {
np--; // Decrement 'np', now the array index
em = packets[np];
signal = signals[np];
}
lcUnlock(packetLock);
while (em != 0) {
//std::cout << "Rwr::receive(" << em->getOwnship() << "): ";
//std::cout << " pwr=" << em->getPower();
//std::cout << " gain=" << em->getGain();
//std::cout << " rl=" << rl;
//std::cout << " pulses=" << pulses;
//std::cout << " losses=" << losses;
//std::cout << " signal=" << signal;
//std::cout << " recvN=" << getRfRecvNoise();
//std::cout << " sn=" << sn;
//std::cout << " snDbl=" << snDbl;
//std::cout << " thrs=" << getRfThreshold();
//std::cout << std::endl;
// CGB, if "signal <= 0.0", then "snDbl" is probably invalid
if (signal > 0.0 && dt != 0.0) {
// Signal over noise (equation 3-5)
LCreal sn = signal / noise;
LCreal snDbl = 10.0f * lcLog10(sn);
// Is S/N above receiver threshold ## dpg -- for now, don't include ECM emissions
if (snDbl > getRfThreshold() && !em->isECM() && rptQueue.isNotFull()) {
// Send report to the track manager
if (tm != 0) {
tm->newReport(em, snDbl);
}
// Get Angle Of Arrival
LCreal aoa= em->getAzimuthAoi();
// Store received power for real-beam display
LCreal sigDbl = 10.0f * lcLog10(signal);
LCreal signal10 = (sigDbl + 50.0f)/50.f;
int idx = getRayIndex( static_cast<LCreal>(Basic::Angle::R2DCC * aoa) );
rays[0][idx] = lim01(rays[0][idx] + signal10);
//if (idx == 0 && getOwnship()->getID() == 1011) {
// std::cout << "sig = " << signal10 << std::endl;
//}
// Send to the track list processor
em->ref(); // ref() for track list processing
rptQueue.put(em);
}
}
// finished
em->unref(); // this unref() undoes the ref() done by RfSystem::rfReceivedEmission
em = 0;
// Get another emission from the queue
lcLock(packetLock);
if (np > 0) {
np--;
em = packets[np];
signal = signals[np];
}
lcUnlock(packetLock);
}
// Transfer the rays
xferRays();
}