-// // FGAIAircraft - FGAIBase-derived class creates an AI airplane
+// // // FGAIAircraft - FGAIBase-derived class creates an AI airplane
//
// Written by David Culp, started October 2003.
//
#include <Main/viewer.hxx>
#include <Scenery/scenery.hxx>
#include <Scenery/tilemgr.hxx>
+#include <Airports/dynamics.hxx>
#include <string>
#include <math.h>
# include <ieeefp.h>
#endif
-SG_USING_STD(string);
+using std::string;
#include "AIAircraft.hxx"
#include "performancedata.hxx"
return;
}
catch (FP_Inactive) {
- return;
+ //return;
+ groundTargetSpeed = 0;
}
handleATCRequests(); // ATC also has a word to say
//TODO let the fp handle this (loading of next leg)
fp->IncrementWaypoint((bool) trafficRef);
if (!(fp->getNextWaypoint()) && trafficRef)
- loadNextLeg();
+ if (!loadNextLeg()) {
+ setDie(true);
+ return;
+ }
prev = fp->getPreviousWaypoint();
curr = fp->getCurrentWaypoint();
}
if (next) {
- fp->setLeadDistance(speed, tgt_heading, curr, next);
+ fp->setLeadDistance(tgt_speed, tgt_heading, curr, next);
}
if (!(prev->on_ground)) // only update the tgt altitude from flightplan if not on the ground
}
-void FGAIAircraft::loadNextLeg() {
+bool FGAIAircraft::loadNextLeg() {
int leg;
if ((leg = fp->getLeg()) == 10) {
- trafficRef->next();
+ if (!trafficRef->next()) {
+ return false;
+ }
setCallSign(trafficRef->getCallSign());
//props->setStringValue("callsign", callsign.c_str());
leg = 1;
trafficRef->getFlightType(),
acType,
company);
+ //cerr << "created leg " << leg << " for " << trafficRef->getCallSign() << endl;
}
+ return true;
}
dt_elev_count += dt;
// Update minimally every three secs, but add some randomness
- // to prevent all IA objects doing this in synchrony
+ // to prevent all AI objects doing this in synchrony
if (dt_elev_count < (3.0) + (rand() % 10))
return;
if (trafficRef) {
int leg = fp->getLeg();
- // Note that leg was been incremented after creating the current leg, so we should use
+ // Note that leg has been incremented after creating the current leg, so we should use
// leg numbers here that are one higher than the number that is used to create the leg
//
switch (leg) {
+ case 2: // Startup and Push back
+ if (trafficRef->getDepartureAirport()->getDynamics())
+ controller = trafficRef->getDepartureAirport()->getDynamics()->getStartupController();
+ break;
case 3: // Taxiing to runway
if (trafficRef->getDepartureAirport()->getDynamics()->getGroundNetwork()->exists())
controller = trafficRef->getDepartureAirport()->getDynamics()->getGroundNetwork();
if (trafficRef->getDepartureAirport()->getDynamics()) {
controller = trafficRef->getDepartureAirport()->getDynamics()->getTowerController();
//if (trafficRef->getDepartureAirport()->getId() == "EHAM") {
- //cerr << trafficRef->getCallSign() << " at runway " << fp->getRunway() << "Ready for departure "
- // << trafficRef->getFlightType() << " to " << trafficRef->getArrivalAirport()->getId() << endl;
+ //string trns = trafficRef->getCallSign() + " at runway " + fp->getRunway() +
+ // ". Ready for departure. " + trafficRef->getFlightType() + " to " +
+ // trafficRef->getArrivalAirport()->getId();
+ //fgSetString("/sim/messages/atc", trns.c_str());
// if (controller == 0) {
//cerr << "Error in assigning controller at " << trafficRef->getDepartureAirport()->getId() << endl;
//}
-
+ //}
} else {
cerr << "Error: Could not find Dynamics at airport : " << trafficRef->getDepartureAirport()->getId() << endl;
}
if ((controller != prevController) && (prevController != 0)) {
prevController->signOff(getID());
- string callsign = trafficRef->getCallSign();
- if ( trafficRef->getHeavy())
- callsign += "Heavy";
- switch (leg) {
- case 3:
- //cerr << callsign << " ready to taxi to runway " << fp->getRunway() << endl;
- break;
- case 4:
- //cerr << callsign << " at runway " << fp->getRunway() << "Ready for take-off. "
- // << trafficRef->getFlightRules() << " to " << trafficRef->getArrivalAirport()->getId()
- // << "(" << trafficRef->getArrivalAirport()->getName() << ")."<< endl;
- break;
- }
}
prevController = controller;
if (controller) {
controller->announcePosition(getID(), fp, fp->getCurrentWaypoint()->routeIndex,
_getLatitude(), _getLongitude(), hdg, speed, altitude_ft,
- trafficRef->getRadius(), leg, trafficRef->getCallSign());
+ trafficRef->getRadius(), leg, this);
}
}
}
+// Process ATC instructions and report back
void FGAIAircraft::processATC(FGATCInstruction instruction) {
if (instruction.getCheckForCircularWait()) {
} else {
if (holdPos) {
//if (trafficRef)
- // cerr << trafficRef->getCallSign() << " Resuming Taxi " << endl;
+ // cerr << trafficRef->getCallSign() << " Resuming Taxi." << endl;
holdPos = false;
}
// Change speed Instruction. This can only be excecuted when there is no
void FGAIAircraft::handleFirstWaypoint() {
bool eraseWaypoints; //TODO YAGNI
+ headingError = 0;
if (trafficRef) {
eraseWaypoints = true;
} else {
//TODO fp should handle this
fp->IncrementWaypoint(eraseWaypoints);
if (!(fp->getNextWaypoint()) && trafficRef)
- loadNextLeg();
+ if (!loadNextLeg()) {
+ setDie(true);
+ return;
+ }
prev = fp->getPreviousWaypoint(); //first waypoint
curr = fp->getCurrentWaypoint(); //second waypoint
//cerr << "2" << endl;
double lead_dist = fp->getLeadDistance();
- //cerr << " Distance : " << dist_to_go << ": Lead distance " << lead_dist << endl;
// experimental: Use fabs, because speed can be negative (I hope) during push_back.
if (lead_dist < fabs(2*speed)) {
}
//prev_dist_to_go = dist_to_go;
+ //if (dist_to_go < lead_dist)
+ // cerr << trafficRef->getCallSign() << " Distance : "
+ // << dist_to_go << ": Lead distance "
+ // << lead_dist << " " << curr->name
+ // << " Ground target speed " << groundTargetSpeed << endl;
+
return dist_to_go < lead_dist;
}
user.CourseAndDistance(current, &course, &distance);
- return ((distance * SG_METER_TO_NM) <= TRAFFICTOAIDIST);
+ return ((distance * SG_METER_TO_NM) <= TRAFFICTOAIDISTTODIE);
}
// This waypoint marks the fact that the aircraft has passed the initial taxi
// departure waypoint, so it can release the parking.
+ //cerr << trafficRef->getCallSign() << " has passed waypoint " << prev->name << " at speed " << speed << endl;
if (prev->name == "PushBackPoint") {
dep->getDynamics()->releaseParking(fp->getGate());
time_t holdUntil = now + 120;
throw AI_OutOfSight();
}
}
+ timeElapsed = now - fp->getStartTime();
if (! fp->isActive(now)) {
throw FP_Inactive();
}
// If on ground, calculate heading change directly
if (onGround()) {
double headingDiff = fabs(hdg-tgt_heading);
+ double bank_sense = 0.0;
+ /*
+ double diff = fabs(hdg - tgt_heading);
+ if (diff > 180)
+ diff = fabs(diff - 360);
+ double sum = hdg + diff;
+ if (sum > 360.0)
+ sum -= 360.0;
+ if (fabs(sum - tgt_heading) < 1.0) {
+ bank_sense = 1.0; // right turn
+ } else {
+ bank_sense = -1.0; // left turn
+ }*/
if (headingDiff > 180)
headingDiff = fabs(headingDiff - 360);
-
- groundTargetSpeed = tgt_speed - (tgt_speed * (headingDiff/45));
+ double sum = hdg + headingDiff;
+ if (sum > 360.0)
+ sum -= 360.0;
+ if (fabs(sum - tgt_heading) > 0.0001) {
+ bank_sense = -1.0;
+ } else {
+ bank_sense = 1.0;
+ }
+ //if (trafficRef)
+ //cerr << trafficRef->getCallSign() << " Heading "
+ // << hdg << ". Target " << tgt_heading << ". Diff " << fabs(sum - tgt_heading) << ". Speed " << speed << endl;
+ //if (headingDiff > 60) {
+ groundTargetSpeed = tgt_speed; // * cos(headingDiff * SG_DEGREES_TO_RADIANS);
+ //groundTargetSpeed = tgt_speed - tgt_speed * (headingDiff/180);
+ //} else {
+ // groundTargetSpeed = tgt_speed;
+ //}
if (sign(groundTargetSpeed) != sign(tgt_speed))
groundTargetSpeed = 0.21 * sign(tgt_speed); // to prevent speed getting stuck in 'negative' mode
if (headingDiff > 30.0) {
// invert if pushed backward
- headingChangeRate += dt * sign(roll);
-
- if (headingChangeRate > 30)
- headingChangeRate = 30;
- else if (headingChangeRate < -30)
- headingChangeRate = -30;
-
+ headingChangeRate += 10.0 * dt * sign(roll);
+
+ // Clamp the maximum steering rate to 30 degrees per second,
+ // But only do this when the heading error is decreasing.
+ if ((headingDiff < headingError)) {
+ if (headingChangeRate > 30)
+ headingChangeRate = 30;
+ else if (headingChangeRate < -30)
+ headingChangeRate = -30;
+ }
} else {
- if (fabs(headingChangeRate) > headingDiff)
- headingChangeRate = headingDiff*sign(roll);
- else
- headingChangeRate += dt * sign(roll);
+ if (fabs(headingChangeRate) > headingDiff)
+ headingChangeRate = headingDiff*sign(roll);
+ else
+ headingChangeRate += dt * sign(roll);
}
- hdg += headingChangeRate * dt;
+
+ hdg += headingChangeRate * dt * (fabs(speed) / 15);
+ headingError = headingDiff;
} else {
if (fabs(speed) > 1.0) {
turn_radius_ft = 0.088362 * speed * speed
}
}
+string FGAIAircraft::atGate() {
+ string tmp("");
+ if (fp->getLeg() < 3) {
+ if (trafficRef) {
+ if (fp->getGate() > 0) {
+ FGParking *park =
+ trafficRef->getDepartureAirport()->getDynamics()->getParking(fp->getGate());
+ tmp = park->getName();
+ }
+ }
+ }
+ return tmp;
+}
+
void FGAIAircraft::handleATCRequests() {
//TODO implement NullController for having no ATC to save the conditionals
if (controller) {
projects / flightgear.git / blobdiff