int JSBSimModel::getEngPLA(LCreal* const pla, const int max) const
{
if (fdmex == 0) return 0;
JSBSim::FGPropulsion* Propulsion = fdmex->GetPropulsion();
if (Propulsion == 0) return 0;
JSBSim::FGFCS* FCS = fdmex->GetFCS();
if (FCS == 0) return 0;
// return throttle PLA (percent)
if (pla == 0 || max <= 0) {
return 0;
}
int num = getNumberOfEngines();
if (max < num) {
num = max;
}
for (int i = 0; i < num; i++) {
JSBSim::FGEngine* eng = Propulsion->GetEngine(i);
double t = FCS->GetThrottlePos(i);
double tmin = eng->GetThrottleMin();
double tmax = eng->GetThrottleMax();
double throttle = (t - tmin) / (tmax - tmin) * 100.0;
pla[i] = (LCreal)throttle;
}
return num;
}
int JSBSimModel::getEngRPM(LCreal* const rpm, const int max) const
{
if (fdmex == 0) return 0;
JSBSim::FGPropulsion* Propulsion = fdmex->GetPropulsion();
if (Propulsion == 0) return 0;
if (rpm == 0 || max <= 0) {
return 0;
}
int num = getNumberOfEngines();
if (max < num) {
num = max;
}
for (int i = 0; i < num; i++) {
JSBSim::FGEngine* eng = Propulsion->GetEngine(i);
switch (eng->GetType()) {
case JSBSim::FGEngine::etPiston:
{
JSBSim::FGPiston* eng1 = (JSBSim::FGPiston *) eng;
rpm[i] = (LCreal)eng1->getRPM();
}
break;
case JSBSim::FGEngine::etElectric:
{
JSBSim::FGElectric* eng1 = (JSBSim::FGElectric *) eng;
rpm[i] = (LCreal)eng1->getRPM();
}
break;
case JSBSim::FGEngine::etTurbine:
{
JSBSim::FGTurbine* eng1 = (JSBSim::FGTurbine *) eng;
rpm[i] = (LCreal)eng1->GetN2();
}
break;
case JSBSim::FGEngine::etTurboprop:
{
JSBSim::FGTurboProp* eng1 = (JSBSim::FGTurboProp *) eng;
rpm[i] = (LCreal)eng1->GetN1();
}
break;
case JSBSim::FGEngine::etRocket:
rpm[i] = 0.0;
break;
default:
break;
}
}
return num;
}
int JSBSimModel::getEngOilPressure(LCreal* const oil, const int max) const
{
if (fdmex == 0) return 0;
JSBSim::FGPropulsion* Propulsion = fdmex->GetPropulsion();
if (Propulsion == 0) return 0;
// return Engine Oil Pressure
if (oil == 0 || max <= 0) {
return 0;
}
int num = getNumberOfEngines();
if (max < num) {
num = max;
}
for (int i = 0; i < num; i++) {
JSBSim::FGEngine* eng = Propulsion->GetEngine(i);
switch (eng->GetType()) {
case JSBSim::FGEngine::etPiston:
{
JSBSim::FGPiston* eng1 = (JSBSim::FGPiston *) eng;
oil[i] = (LCreal)eng1->getOilPressure_psi();
}
break;
case JSBSim::FGEngine::etTurbine:
{
JSBSim::FGTurbine* eng1 = (JSBSim::FGTurbine *) eng;
oil[i] = (LCreal)eng1->getOilPressure_psi();
}
break;
case JSBSim::FGEngine::etTurboprop:
{
JSBSim::FGTurboProp* eng1 = (JSBSim::FGTurboProp *) eng;
oil[i] = (LCreal)eng1->getOilPressure_psi();
}
break;
case JSBSim::FGEngine::etRocket:
case JSBSim::FGEngine::etElectric:
oil[i] = 0.0;
break;
default:
break;
}
}
return num;
}
int JSBSimModel::getEngThrust(LCreal* const fn, const int max) const
{
if (fdmex == 0) return 0;
JSBSim::FGPropulsion* Propulsion = fdmex->GetPropulsion();
if (Propulsion == 0) return 0;
if (fn == 0 || max <= 0) {
return 0;
}
int num = getNumberOfEngines();
if (max < num) {
num = max;
}
for (int i = 0; i < num; i++) {
JSBSim::FGThruster* thruster = Propulsion->GetEngine(i)->GetThruster();
fn[i] = (LCreal)thruster->GetThrust();
}
return num;
}
int JSBSimModel::getEngThrust(double* const fn, const int max) const
{
if (fdmex == nullptr) return 0;
JSBSim::FGPropulsion* Propulsion = fdmex->GetPropulsion();
if (Propulsion == nullptr) return 0;
if (fn == nullptr || max <= 0) {
return 0;
}
int num = getNumberOfEngines();
if (max < num) {
num = max;
}
for (int i = 0; i < num; i++) {
JSBSim::FGThruster* thruster = Propulsion->GetEngine(i)->GetThruster();
fn[i] = static_cast<double>(thruster->GetThrust());
}
return num;
}
int JSBSimModel::getEngFuelFlow(LCreal* const ff, const int max) const
{
if (fdmex == 0) return 0;
JSBSim::FGPropulsion* Propulsion = fdmex->GetPropulsion();
if (Propulsion == 0) return 0;
// Return fuel flow rate lbs/hour
if (ff == 0 || max <= 0) {
return 0;
}
int num = getNumberOfEngines();
if (max < num) {
num = max;
}
for (int i = 0; i < num; i++) {
JSBSim::FGEngine* eng = Propulsion->GetEngine(i);
ff[i] = (LCreal)eng->getFuelFlow_pph();
}
return num;
}
int JSBSimModel::getEngNozzle(LCreal* const pla, const int max) const
{
if (fdmex == 0) return 0;
JSBSim::FGPropulsion* Propulsion = fdmex->GetPropulsion();
if (Propulsion == 0) return 0;
// return nozzle position (percentage)
if (pla == 0 || max <= 0) {
return 0;
}
int num = getNumberOfEngines();
if (max < num) {
num = max;
}
for (int i = 0; i < num; i++) {
JSBSim::FGEngine* eng = Propulsion->GetEngine(i);
switch (eng->GetType()) {
case JSBSim::FGEngine::etTurbine:
{
JSBSim::FGTurbine* eng1 = (JSBSim::FGTurbine *) eng;
pla[i] = (LCreal)(eng1->GetNozzle() * 100.0);
}
break;
case JSBSim::FGEngine::etTurboprop:
{
JSBSim::FGTurboProp* eng1 = (JSBSim::FGTurboProp *) eng;
pla[i] = (LCreal)(eng1->GetNozzle() * 100.0);
}
break;
case JSBSim::FGEngine::etPiston:
case JSBSim::FGEngine::etRocket:
case JSBSim::FGEngine::etElectric:
pla[i] = 0.0;
break;
default:
break;
}
}
return num;
}
//------------------------------------------------------------------------------
// int setThrottles(positions,num) -- Set throttle positions
//
// positions -> Array of throttle positions
// (for each throttle)
// < 0.0 -> Cutoff
// 0.0 -> Idle
// 1.0 -> MIL
// 2.0 -> A/B
// num -> number of throttle positions to get/set
// returns the actual number of throttle positions
//------------------------------------------------------------------------------
int JSBSimModel::setThrottles(const LCreal* const positions, const int num)
{
if (fdmex == 0) return 0;
JSBSim::FGFCS* FCS = fdmex->GetFCS();
if (FCS == 0) return 0;
if (positions == 0 || num <= 0) {
return 0;
}
int n = getNumberOfEngines();
if (num < n) {
n = num;
}
for (int i = 0; i < n; i++) {
double pos = positions[i] * 0.5; // CGB * 100.0;
if (pos > 1.0) {
pos = 1.0;
}
FCS->SetThrottleCmd(i, pos);
}
return n;
}
