// jet_transport
{5.0, 2.0, 3000.0, 1500.0, 140.0, 300.0, 430.0, 300.0, 130.0},
// jet_fighter
- {7.0, 3.0, 4000.0, 2000.0, 150.0, 350.0, 500.0, 350.0, 150.0}
+ {7.0, 3.0, 4000.0, 2000.0, 150.0, 350.0, 500.0, 350.0, 150.0},
+ // tanker
+ {5.0, 2.0, 3000.0, 1500.0, 140.0, 300.0, 430.0, 300.0, 130.0}
};
-FGAIAircraft *FGAIAircraft::_self = NULL;
-
FGAIAircraft::FGAIAircraft(FGAIManager* mgr) {
- _self = this; // This needs to be the first entry.
manager = mgr;
_type_str = "aircraft";
_otype = otAircraft;
fp = 0;
dt_count = 0;
use_perf_vs = true;
+ isTanker = false;
// set heading and altitude locks
hdg_lock = false;
FGAIAircraft::~FGAIAircraft() {
- if (fp) delete fp;
- _self = NULL;
}
bool FGAIAircraft::init() {
+ refuel_node = fgGetNode("systems/refuel/contact", true);
return FGAIBase::init();
}
FGAIBase::bind();
props->tie("controls/gear/gear-down",
- SGRawValueFunctions<bool>(FGAIAircraft::_getGearDown));
+ SGRawValueMethods<FGAIAircraft,bool>(*this,
+ &FGAIAircraft::_getGearDown));
-/*
props->getNode("controls/lighting/landing-lights", true)
->alias("controls/gear/gear-down");
-*/
}
void FGAIAircraft::unbind() {
FGAIBase::unbind();
props->untie("controls/gear/gear-down");
-// props->getNode("controls/lighting/landing-lights")->unalias();
+ props->getNode("controls/lighting/landing-lights")->unalias();
}
void FGAIAircraft::update(double dt) {
+ FGAIBase::update(dt);
Run(dt);
Transform();
- FGAIBase::update(dt);
}
void FGAIAircraft::SetPerformance(const PERF_STRUCT *ps) {
double turn_circum_ft;
double speed_north_deg_sec;
double speed_east_deg_sec;
- double ft_per_deg_lon;
- double ft_per_deg_lat;
double dist_covered_ft;
double alpha;
- // get size of a degree at this latitude
- ft_per_deg_lat = 366468.96 - 3717.12 * cos(pos.lat()/SG_RADIANS_TO_DEGREES);
- ft_per_deg_lon = 365228.16 * cos(pos.lat() / SG_RADIANS_TO_DEGREES);
-
// adjust speed
double speed_diff = tgt_speed - speed;
if (fabs(speed_diff) > 0.2) {
if (speed_diff > 0.0) speed += performance->accel * dt;
- if (speed_diff < 0.0) speed -= performance->decel * dt;
+ if (speed_diff < 0.0) {
+ if (!no_roll) {
+ speed -= performance->decel * dt * 3;
+ } else {
+ speed -= performance->decel * dt;
+ }
+ }
}
// convert speed to degrees per second
}
if (alt_lock && !use_perf_vs) {
- double max_vs = 2*(tgt_altitude - altitude);
+ double max_vs = 4*(tgt_altitude - altitude);
+ double min_vs = 100;
+ if (tgt_altitude < altitude) min_vs = -100.0;
if ((fabs(tgt_altitude - altitude) < 1500.0) &&
(fabs(max_vs) < fabs(tgt_vs))) tgt_vs = max_vs;
+ if (fabs(tgt_vs) < fabs(min_vs)) tgt_vs = min_vs;
}
// adjust vertical speed
double vs_diff = tgt_vs - vs;
if (fabs(vs_diff) > 10.0) {
if (vs_diff > 0.0) {
- vs += 400.0 * dt;
+ vs += 900.0 * dt;
if (vs > tgt_vs) vs = tgt_vs;
} else {
- vs -= 300.0 * dt;
+ vs -= 400.0 * dt;
if (vs < tgt_vs) vs = tgt_vs;
}
}
// match pitch angle to vertical speed
- pitch = vs * 0.005;
+ if (vs > 0){
+ pitch = vs * 0.005;
+ } else {
+ pitch = vs * 0.002;
+ }
//###########################//
// do calculations for radar //
//###########################//
+ double range_ft2 = UpdateRadar(manager);
- // copy values from the AIManager
- double user_latitude = manager->get_user_latitude();
- double user_longitude = manager->get_user_longitude();
- double user_altitude = manager->get_user_altitude();
- double user_heading = manager->get_user_heading();
- double user_pitch = manager->get_user_pitch();
- double user_yaw = manager->get_user_yaw();
- double user_speed = manager->get_user_speed();
-
- // calculate range to target in feet and nautical miles
- double lat_range = fabs(pos.lat() - user_latitude) * ft_per_deg_lat;
- double lon_range = fabs(pos.lon() - user_longitude) * ft_per_deg_lon;
- double range_ft = sqrt( lat_range*lat_range + lon_range*lon_range );
- range = range_ft / 6076.11549;
-
- // calculate bearing to target
- if (pos.lat() >= user_latitude) {
- bearing = atan2(lat_range, lon_range) * SG_RADIANS_TO_DEGREES;
- if (pos.lon() >= user_longitude) {
- bearing = 90.0 - bearing;
- } else {
- bearing = 270.0 + bearing;
- }
- } else {
- bearing = atan2(lon_range, lat_range) * SG_RADIANS_TO_DEGREES;
- if (pos.lon() >= user_longitude) {
- bearing = 180.0 - bearing;
- } else {
- bearing = 180.0 + bearing;
- }
- }
-
- // calculate look left/right to target, without yaw correction
- horiz_offset = bearing - user_heading;
- if (horiz_offset > 180.0) horiz_offset -= 360.0;
- if (horiz_offset < -180.0) horiz_offset += 360.0;
-
- // calculate elevation to target
- elevation = atan2( altitude_ft - user_altitude, range_ft )
- * SG_RADIANS_TO_DEGREES;
-
- // calculate look up/down to target
- vert_offset = elevation + user_pitch;
-
-/* this calculation needs to be fixed, but it isn't important anyway
- // calculate range rate
- double recip_bearing = bearing + 180.0;
- if (recip_bearing > 360.0) recip_bearing -= 360.0;
- double my_horiz_offset = recip_bearing - hdg;
- if (my_horiz_offset > 180.0) my_horiz_offset -= 360.0;
- if (my_horiz_offset < -180.0) my_horiz_offset += 360.0;
- rdot = (-user_speed * cos( horiz_offset * SG_DEGREES_TO_RADIANS ))
- + (-speed * 1.686 * cos( my_horiz_offset * SG_DEGREES_TO_RADIANS ));
-*/
-
- // now correct look left/right for yaw
- horiz_offset += user_yaw;
-
- // calculate values for radar display
- y_shift = range * cos( horiz_offset * SG_DEGREES_TO_RADIANS);
- x_shift = range * sin( horiz_offset * SG_DEGREES_TO_RADIANS);
- rotation = hdg - user_heading;
- if (rotation < 0.0) rotation += 360.0;
+ //************************************//
+ // Tanker code //
+ //************************************//
+ if ( isTanker) {
+ if ( (range_ft2 < 250.0 * 250.0) &&
+ (y_shift > 0.0) &&
+ (elevation > 0.0) ) {
+ refuel_node->setBoolValue(true);
+ } else {
+ refuel_node->setBoolValue(false);
+ }
+ }
}
setHeading(fp->getBearing(prev->latitude, prev->longitude, curr));
if (next) fp->setLeadDistance(speed, hdg, curr, next);
- if (curr->crossat > -1000.0) { //start descent/climb now
+ if (curr->crossat > -1000.0) { //use a calculated descent/climb rate
use_perf_vs = false;
tgt_vs = (curr->crossat - prev->altitude)/
(fp->getDistanceToGo(pos.lat(), pos.lon(), curr)/
tgt_altitude = prev->altitude;
}
alt_lock = hdg_lock = true;
+ no_roll = prev->on_ground;
//cout << "First waypoint: " << prev->name << endl;
//cout << " Target speed: " << tgt_speed << endl;
//cout << " Target altitude: " << tgt_altitude << endl;
return;
} // end of initialization
- // let's only process the flight plan every 500 ms.
- if (dt_count < 0.5) {
+ // let's only process the flight plan every 100 ms.
+ if (dt_count < 0.1) {
return;
} else {
- while (dt_count > 0.5)
- dt_count -= dt;
+ dt_count = 0;
// check to see if we've reached the lead point for our next turn
double dist_to_go = fp->getDistanceToGo(pos.lat(), pos.lon(), curr);
}
tgt_speed = prev->speed;
hdg_lock = alt_lock = true;
+ no_roll = prev->on_ground;
//cout << "Crossing waypoint: " << prev->name << endl;
//cout << " Target speed: " << tgt_speed << endl;
//cout << " Target altitude: " << tgt_altitude << endl;
}
-
+bool FGAIAircraft::_getGearDown() const {
+ return ((props->getFloatValue("position/altitude-agl-ft") < 900.0)
+ && (props->getFloatValue("velocities/airspeed-kt")
+ < performance->land_speed*1.25));
+}
projects / flightgear.git / blobdiff