#include <simgear/compiler.h>
-#include <Airports/simple.hxx>
#include <FDM/flight.hxx>
#include <Main/fg_props.hxx>
-#include <Navaids/fixlist.hxx>
-#include <Navaids/fix.hxx>
-#include <Navaids/navlist.hxx>
+#include <Navaids/positioned.hxx>
#include "route_mgr.hxx"
FGRouteMgr::~FGRouteMgr() {
input->removeChangeListener(listener);
+ delete listener;
delete route;
}
return kts;
}
+void FGRouteMgr::updateTargetAltitude() {
+ if (route->size() == 0) {
+ altitude_set = false;
+ return;
+ }
+
+ SGWayPoint wp = route->get_waypoint( 0 );
+ if (wp.get_target_alt() < -9990.0) {
+ altitude_set = false;
+ return;
+ }
+
+ altitude_set = true;
+ target_altitude_ft->setDoubleValue( wp.get_target_alt() * SG_METER_TO_FEET );
+
+ if ( !near_ground() ) {
+ // James Turner [zakalawe]: there's no explanation for this logic,
+ // it feels like the autopilot should pull the target altitude out of
+ // wp0 instead of us pushing it through here. Hmmm.
+ altitude_lock->setStringValue( "altitude-hold" );
+ }
+}
void FGRouteMgr::update( double dt ) {
- double accum = 0.0;
+ if (route->size() == 0) {
+ return; // no route set, early return
+ }
+
double wp_course, wp_distance;
- char eta_str[128];
// first way point
- if ( route->size() > 0 ) {
- SGWayPoint wp = route->get_waypoint( 0 );
- wp.CourseAndDistance( lon->getDoubleValue(), lat->getDoubleValue(),
- alt->getDoubleValue(), &wp_course, &wp_distance );
-
- true_hdg_deg->setDoubleValue( wp_course );
- double target_alt = wp.get_target_alt();
-
- if ( !altitude_set && target_alt > -9990 ) {
- target_altitude_ft->setDoubleValue( target_alt * SG_METER_TO_FEET );
- altitude_set = true;
-
- if ( !near_ground() )
- altitude_lock->setStringValue( "altitude-hold" );
- }
-
- if ( wp_distance < 200.0 ) {
- pop_waypoint();
- altitude_set = false;
+ SGWayPoint wp = route->get_waypoint( 0 );
+ wp.CourseAndDistance( lon->getDoubleValue(), lat->getDoubleValue(),
+ alt->getDoubleValue(), &wp_course, &wp_distance );
+ true_hdg_deg->setDoubleValue( wp_course );
+
+ if ( wp_distance < 200.0 ) {
+ pop_waypoint();
+ if (route->size() == 0) {
+ return; // end of route, we're done for the time being
}
+
+ wp = route->get_waypoint( 0 );
}
- // next way point
- if ( route->size() > 0 ) {
- SGWayPoint wp = route->get_waypoint( 0 );
- // update the property tree info
-
- wp0_id->setStringValue( wp.get_id().c_str() );
-
- accum += wp_distance;
- wp0_dist->setDoubleValue( accum * SG_METER_TO_NM );
-
- double eta = accum * SG_METER_TO_NM / get_ground_speed();
- if ( eta >= 100.0 ) { eta = 99.999; }
- int major, minor;
- if ( eta < (1.0/6.0) ) {
- // within 10 minutes, bump up to min/secs
- eta *= 60.0;
- }
- major = (int)eta;
- minor = (int)((eta - (int)eta) * 60.0);
- snprintf( eta_str, 128, "%d:%02d", major, minor );
- wp0_eta->setStringValue( eta_str );
- }
+ // update the property tree info for WP0
+ wp0_id->setStringValue( wp.get_id().c_str() );
+ double accum = wp_distance;
+ wp0_dist->setDoubleValue( accum * SG_METER_TO_NM );
+ setETAPropertyFromDistance(wp0_eta, accum);
// next way point
if ( route->size() > 1 ) {
SGWayPoint wp = route->get_waypoint( 1 );
// update the property tree info
-
wp1_id->setStringValue( wp.get_id().c_str() );
-
accum += wp.get_distance();
wp1_dist->setDoubleValue( accum * SG_METER_TO_NM );
-
- double eta = accum * SG_METER_TO_NM / get_ground_speed();
- if ( eta >= 100.0 ) { eta = 99.999; }
- int major, minor;
- if ( eta < (1.0/6.0) ) {
- // within 10 minutes, bump up to min/secs
- eta *= 60.0;
- }
- major = (int)eta;
- minor = (int)((eta - (int)eta) * 60.0);
- snprintf( eta_str, 128, "%d:%02d", major, minor );
- wp1_eta->setStringValue( eta_str );
+ setETAPropertyFromDistance(wp1_eta, accum);
}
// summarize remaining way points
}
// update the property tree info
-
wpn_id->setStringValue( wp.get_id().c_str() );
-
wpn_dist->setDoubleValue( accum * SG_METER_TO_NM );
-
- double eta = accum * SG_METER_TO_NM / get_ground_speed();
- if ( eta >= 100.0 ) { eta = 99.999; }
- int major, minor;
- if ( eta < (1.0/6.0) ) {
- // within 10 minutes, bump up to min/secs
- eta *= 60.0;
- }
- major = (int)eta;
- minor = (int)((eta - (int)eta) * 60.0);
- snprintf( eta_str, 128, "%d:%02d", major, minor );
- wpn_eta->setStringValue( eta_str );
+ setETAPropertyFromDistance(wpn_eta, accum);
}
}
+void FGRouteMgr::setETAPropertyFromDistance(SGPropertyNode_ptr aProp, double aDistance) {
+ char eta_str[64];
+ double eta = aDistance * SG_METER_TO_NM / get_ground_speed();
+ if ( eta >= 100.0 ) {
+ eta = 99.999; // clamp
+ }
+
+ if ( eta < (1.0/6.0) ) {
+ // within 10 minutes, bump up to min/secs
+ eta *= 60.0;
+ }
+
+ int major = (int)eta,
+ minor = (int)((eta - (int)eta) * 60.0);
+ snprintf( eta_str, 64, "%d:%02d", major, minor );
+ aProp->setStringValue( eta_str );
+}
void FGRouteMgr::add_waypoint( const SGWayPoint& wp, int n ) {
- if ( n == 0 || !route->size() )
- altitude_set = false;
-
route->add_waypoint( wp, n );
update_mirror();
+ if ((n==0) || (route->size() == 1)) {
+ updateTargetAltitude();
+ }
}
wp0_eta->setStringValue( "" );
}
- if ( n == 0 && route->size() )
- altitude_set = false;
-
+ updateTargetAltitude();
update_mirror();
return wp;
}
return NULL;
}
- return new SGWayPoint(p->longitude(), p->latitude(), p->elevation(), SGWayPoint::WGS84, target);
+ return new SGWayPoint(p->longitude(), p->latitude(), alt, SGWayPoint::WGS84, target);
}
bool FGRouteMgr::near_ground() {
SGPropertyNode *gear = fgGetNode( "/gear/gear/wow", false );
- if ( !gear || gear->getType() == SGPropertyNode::NONE )
+ if ( !gear || gear->getType() == simgear::props::NONE )
return fgGetBool( "/sim/presets/onground", true );
if ( fgGetDouble("/position/altitude-agl-ft", 300.0)
projects / flightgear.git / blobdiff