#include "NasalPositioned.hxx"
#include <boost/foreach.hpp>
+#include <boost/algorithm/string/case_conv.hpp>
+#include <boost/tuple/tuple.hpp> // for boost::tie
+#include <simgear/sg_inlines.h>
#include <simgear/scene/material/mat.hxx>
#include <simgear/magvar/magvar.hxx>
#include <simgear/timing/sg_time.hxx>
#include <simgear/bucket/newbucket.hxx>
#include <Airports/runways.hxx>
-#include <Airports/simple.hxx>
+#include <Airports/airport.hxx>
+#include <Airports/dynamics.hxx>
+#include <Airports/parking.hxx>
+#include <Scripting/NasalSys.hxx>
#include <Navaids/navlist.hxx>
#include <Navaids/procedure.hxx>
#include <Main/globals.hxx>
#include <Main/fg_props.hxx>
#include <Scenery/scenery.hxx>
+#include <ATC/CommStation.hxx>
+#include <Navaids/FlightPlan.hxx>
+#include <Navaids/waypoint.hxx>
+#include <Navaids/fix.hxx>
+#include <Autopilot/route_mgr.hxx>
+#include <Navaids/routePath.hxx>
+#include <Navaids/procedure.hxx>
+#include <Navaids/airways.hxx>
+#include <Navaids/NavDataCache.hxx>
+
+using namespace flightgear;
+
+static void positionedGhostDestroy(void* g);
+static void wayptGhostDestroy(void* g);
+static void legGhostDestroy(void* g);
+static void routeBaseGhostDestroy(void* g);
+
+naGhostType PositionedGhostType = { positionedGhostDestroy, "positioned" };
+
+static const char* airportGhostGetMember(naContext c, void* g, naRef field, naRef* out);
+naGhostType AirportGhostType = { positionedGhostDestroy, "airport", airportGhostGetMember, 0 };
+
+static const char* navaidGhostGetMember(naContext c, void* g, naRef field, naRef* out);
+naGhostType NavaidGhostType = { positionedGhostDestroy, "navaid", navaidGhostGetMember, 0 };
+
+static const char* runwayGhostGetMember(naContext c, void* g, naRef field, naRef* out);
+naGhostType RunwayGhostType = { positionedGhostDestroy, "runway", runwayGhostGetMember, 0 };
+naGhostType HelipadGhostType = { positionedGhostDestroy, "helipad", runwayGhostGetMember, 0 };
+naGhostType TaxiwayGhostType = { positionedGhostDestroy, "taxiway", runwayGhostGetMember, 0 };
+
+static const char* fixGhostGetMember(naContext c, void* g, naRef field, naRef* out);
+naGhostType FixGhostType = { positionedGhostDestroy, "fix", fixGhostGetMember, 0 };
+
+static const char* wayptGhostGetMember(naContext c, void* g, naRef field, naRef* out);
+static void waypointGhostSetMember(naContext c, void* g, naRef field, naRef value);
+
+naGhostType WayptGhostType = { wayptGhostDestroy,
+ "waypoint",
+ wayptGhostGetMember,
+ waypointGhostSetMember};
+
+static const char* legGhostGetMember(naContext c, void* g, naRef field, naRef* out);
+static void legGhostSetMember(naContext c, void* g, naRef field, naRef value);
+
+naGhostType FPLegGhostType = { legGhostDestroy,
+ "flightplan-leg",
+ legGhostGetMember,
+ legGhostSetMember};
+
+static const char* flightplanGhostGetMember(naContext c, void* g, naRef field, naRef* out);
+static void flightplanGhostSetMember(naContext c, void* g, naRef field, naRef value);
+
+naGhostType FlightPlanGhostType = { routeBaseGhostDestroy,
+ "flightplan",
+ flightplanGhostGetMember,
+ flightplanGhostSetMember
+};
+
+static const char* procedureGhostGetMember(naContext c, void* g, naRef field, naRef* out);
+naGhostType ProcedureGhostType = { routeBaseGhostDestroy,
+ "procedure",
+ procedureGhostGetMember,
+ 0};
+
+static void hashset(naContext c, naRef hash, const char* key, naRef val)
+{
+ naRef s = naNewString(c);
+ naStr_fromdata(s, (char*)key, strlen(key));
+ naHash_set(hash, s, val);
+}
+
+static naRef stringToNasal(naContext c, const std::string& s)
+{
+ return naStr_fromdata(naNewString(c),
+ const_cast<char *>(s.c_str()),
+ s.length());
+}
+
+static bool convertToNum(naRef v, double& result)
+{
+ naRef n = naNumValue(v);
+ if (naIsNil(n)) {
+ return false; // couldn't convert
+ }
+
+ result = n.num;
+ return true;
+}
+
+static WayptFlag wayptFlagFromString(const char* s)
+{
+ if (!strcmp(s, "sid")) return WPT_DEPARTURE;
+ if (!strcmp(s, "star")) return WPT_ARRIVAL;
+ if (!strcmp(s, "approach")) return WPT_APPROACH;
+ if (!strcmp(s, "missed")) return WPT_MISS;
+ if (!strcmp(s, "pseudo")) return WPT_PSEUDO;
+
+ return (WayptFlag) 0;
+}
+
+static naRef wayptFlagToNasal(naContext c, unsigned int flags)
+{
+ if (flags & WPT_PSEUDO) return stringToNasal(c, "pseudo");
+ if (flags & WPT_DEPARTURE) return stringToNasal(c, "sid");
+ if (flags & WPT_ARRIVAL) return stringToNasal(c, "star");
+ if (flags & WPT_MISS) return stringToNasal(c, "missed");
+ if (flags & WPT_APPROACH) return stringToNasal(c, "approach");
+ return naNil();
+}
+
+static FGPositioned* positionedGhost(naRef r)
+{
+ if ((naGhost_type(r) == &AirportGhostType) ||
+ (naGhost_type(r) == &NavaidGhostType) ||
+ (naGhost_type(r) == &RunwayGhostType) ||
+ (naGhost_type(r) == &FixGhostType))
+ {
+ return (FGPositioned*) naGhost_ptr(r);
+ }
+
+ return 0;
+}
+
+static FGAirport* airportGhost(naRef r)
+{
+ if (naGhost_type(r) == &AirportGhostType)
+ return (FGAirport*) naGhost_ptr(r);
+ return 0;
+}
+
+static FGNavRecord* navaidGhost(naRef r)
+{
+ if (naGhost_type(r) == &NavaidGhostType)
+ return (FGNavRecord*) naGhost_ptr(r);
+ return 0;
+}
+
+static FGRunway* runwayGhost(naRef r)
+{
+ if (naGhost_type(r) == &RunwayGhostType)
+ return (FGRunway*) naGhost_ptr(r);
+ return 0;
+}
+
+static FGTaxiway* taxiwayGhost(naRef r)
+{
+ if (naGhost_type(r) == &TaxiwayGhostType)
+ return (FGTaxiway*) naGhost_ptr(r);
+ return 0;
+}
+
+static FGFix* fixGhost(naRef r)
+{
+ if (naGhost_type(r) == &FixGhostType)
+ return (FGFix*) naGhost_ptr(r);
+ return 0;
+}
+
+
+static void positionedGhostDestroy(void* g)
+{
+ FGPositioned* pos = (FGPositioned*)g;
+ if (!FGPositioned::put(pos)) // unref
+ delete pos;
+}
+
+static Waypt* wayptGhost(naRef r)
+{
+ if (naGhost_type(r) == &WayptGhostType)
+ return (Waypt*) naGhost_ptr(r);
+
+ if (naGhost_type(r) == &FPLegGhostType) {
+ FlightPlan::Leg* leg = (FlightPlan::Leg*) naGhost_ptr(r);
+ return leg->waypoint();
+ }
+
+ return 0;
+}
+
+static void wayptGhostDestroy(void* g)
+{
+ Waypt* wpt = (Waypt*)g;
+ if (!Waypt::put(wpt)) // unref
+ delete wpt;
+}
+
+static void legGhostDestroy(void* g)
+{
+ // nothing for now
+}
+
+
+static FlightPlan::Leg* fpLegGhost(naRef r)
+{
+ if (naGhost_type(r) == &FPLegGhostType)
+ return (FlightPlan::Leg*) naGhost_ptr(r);
+ return 0;
+}
+
+static Procedure* procedureGhost(naRef r)
+{
+ if (naGhost_type(r) == &ProcedureGhostType)
+ return (Procedure*) naGhost_ptr(r);
+ return 0;
+}
+
+static FlightPlan* flightplanGhost(naRef r)
+{
+ if (naGhost_type(r) == &FlightPlanGhostType)
+ return (FlightPlan*) naGhost_ptr(r);
+ return 0;
+}
+
+static void routeBaseGhostDestroy(void* g)
+{
+ // nothing for now
+}
+
+static naRef airportPrototype;
+static naRef flightplanPrototype;
+static naRef waypointPrototype;
+static naRef geoCoordClass;
+static naRef fpLegPrototype;
+static naRef procedurePrototype;
+
+naRef ghostForAirport(naContext c, const FGAirport* apt)
+{
+ if (!apt) {
+ return naNil();
+ }
+
+ FGPositioned::get(apt); // take a ref
+ return naNewGhost2(c, &AirportGhostType, (void*) apt);
+}
+
+naRef ghostForNavaid(naContext c, const FGNavRecord* n)
+{
+ if (!n) {
+ return naNil();
+ }
+
+ FGPositioned::get(n); // take a ref
+ return naNewGhost2(c, &NavaidGhostType, (void*) n);
+}
+
+naRef ghostForRunway(naContext c, const FGRunway* r)
+{
+ if (!r) {
+ return naNil();
+ }
+
+ FGPositioned::get(r); // take a ref
+ return naNewGhost2(c, &RunwayGhostType, (void*) r);
+}
+
+naRef ghostForHelipad(naContext c, const FGHelipad* r)
+{
+ if (!r) {
+ return naNil();
+ }
+
+ FGPositioned::get(r); // take a ref
+ return naNewGhost2(c, &HelipadGhostType, (void*) r);
+}
+
+naRef ghostForTaxiway(naContext c, const FGTaxiway* r)
+{
+ if (!r) {
+ return naNil();
+ }
+
+ FGPositioned::get(r); // take a ref
+ return naNewGhost2(c, &TaxiwayGhostType, (void*) r);
+}
+
+naRef ghostForFix(naContext c, const FGFix* r)
+{
+ if (!r) {
+ return naNil();
+ }
+
+ FGPositioned::get(r); // take a ref
+ return naNewGhost2(c, &FixGhostType, (void*) r);
+}
+
+
+naRef ghostForWaypt(naContext c, const Waypt* wpt)
+{
+ if (!wpt) {
+ return naNil();
+ }
+
+ Waypt::get(wpt); // take a ref
+ return naNewGhost2(c, &WayptGhostType, (void*) wpt);
+}
+
+naRef ghostForLeg(naContext c, const FlightPlan::Leg* leg)
+{
+ if (!leg) {
+ return naNil();
+ }
+
+ return naNewGhost2(c, &FPLegGhostType, (void*) leg);
+}
+
+naRef ghostForFlightPlan(naContext c, const FlightPlan* fp)
+{
+ if (!fp) {
+ return naNil();
+ }
+
+ return naNewGhost2(c, &FlightPlanGhostType, (void*) fp);
+}
+
+naRef ghostForProcedure(naContext c, const Procedure* proc)
+{
+ if (!proc) {
+ return naNil();
+ }
+
+ return naNewGhost2(c, &ProcedureGhostType, (void*) proc);
+}
+
+static const char* airportGhostGetMember(naContext c, void* g, naRef field, naRef* out)
+{
+ const char* fieldName = naStr_data(field);
+ FGAirport* apt = (FGAirport*) g;
+
+ if (!strcmp(fieldName, "parents")) {
+ *out = naNewVector(c);
+ naVec_append(*out, airportPrototype);
+ } else if (!strcmp(fieldName, "id")) *out = stringToNasal(c, apt->ident());
+ else if (!strcmp(fieldName, "name")) *out = stringToNasal(c, apt->name());
+ else if (!strcmp(fieldName, "lat")) *out = naNum(apt->getLatitude());
+ else if (!strcmp(fieldName, "lon")) *out = naNum(apt->getLongitude());
+ else if (!strcmp(fieldName, "elevation")) {
+ *out = naNum(apt->getElevation() * SG_FEET_TO_METER);
+ } else if (!strcmp(fieldName, "has_metar")) {
+ *out = naNum(apt->getMetar());
+ } else if (!strcmp(fieldName, "runways")) {
+ *out = naNewHash(c);
+ double minLengthFt = fgGetDouble("/sim/navdb/min-runway-length-ft");
+ for(unsigned int r=0; r<apt->numRunways(); ++r) {
+ FGRunway* rwy(apt->getRunwayByIndex(r));
+ // ignore unusably short runways
+ if (rwy->lengthFt() < minLengthFt) {
+ continue;
+ }
+ naRef rwyid = stringToNasal(c, rwy->ident());
+ naRef rwydata = ghostForRunway(c, rwy);
+ naHash_set(*out, rwyid, rwydata);
+ }
+ } else if (!strcmp(fieldName, "helipads")) {
+ *out = naNewHash(c);
+
+ for(unsigned int r=0; r<apt->numHelipads(); ++r) {
+ FGHelipad* hp(apt->getHelipadByIndex(r));
+
+ naRef rwyid = stringToNasal(c, hp->ident());
+ naRef rwydata = ghostForHelipad(c, hp);
+ naHash_set(*out, rwyid, rwydata);
+ }
+
+ } else if (!strcmp(fieldName, "taxiways")) {
+ *out = naNewVector(c);
+ for(unsigned int r=0; r<apt->numTaxiways(); ++r) {
+ FGTaxiway* taxi(apt->getTaxiwayByIndex(r));
+ naRef taxidata = ghostForTaxiway(c, taxi);
+ naVec_append(*out, taxidata);
+ }
+
+ } else {
+ return 0;
+ }
+
+ return "";
+}
+
+static const char* waypointCommonGetMember(naContext c, Waypt* wpt, const char* fieldName, naRef* out)
+{
+ if (!strcmp(fieldName, "wp_name") || !strcmp(fieldName, "id")) *out = stringToNasal(c, wpt->ident());
+ else if (!strcmp(fieldName, "wp_type")) *out = stringToNasal(c, wpt->type());
+ else if (!strcmp(fieldName, "wp_role")) *out = wayptFlagToNasal(c, wpt->flags());
+ else if (!strcmp(fieldName, "wp_lat") || !strcmp(fieldName, "lat")) *out = naNum(wpt->position().getLatitudeDeg());
+ else if (!strcmp(fieldName, "wp_lon") || !strcmp(fieldName, "lon")) *out = naNum(wpt->position().getLongitudeDeg());
+ else if (!strcmp(fieldName, "wp_parent_name")) {
+ Procedure* proc = dynamic_cast<Procedure*>(wpt->owner());
+ *out = proc ? stringToNasal(c, proc->ident()) : naNil();
+ } else if (!strcmp(fieldName, "wp_parent")) {
+ Procedure* proc = dynamic_cast<Procedure*>(wpt->owner());
+ *out = ghostForProcedure(c, proc);
+ } else if (!strcmp(fieldName, "fly_type")) {
+ if (wpt->type() == "hold") {
+ *out = stringToNasal(c, "Hold");
+ } else {
+ *out = stringToNasal(c, wpt->flag(WPT_OVERFLIGHT) ? "flyOver" : "flyBy");
+ }
+ } else {
+ return NULL; // member not found
+ }
+
+ return "";
+}
+
+static void waypointCommonSetMember(naContext c, Waypt* wpt, const char* fieldName, naRef value)
+{
+ if (!strcmp(fieldName, "wp_role")) {
+ if (!naIsString(value)) naRuntimeError(c, "wp_role must be a string");
+ if (wpt->owner() != NULL) naRuntimeError(c, "cannot override wp_role on waypoint with parent");
+ WayptFlag f = wayptFlagFromString(naStr_data(value));
+ if (f == 0) {
+ naRuntimeError(c, "unrecognized wp_role value %s", naStr_data(value));
+ }
+
+ wpt->setFlag(f, true);
+ }
+}
+
+static const char* wayptGhostGetMember(naContext c, void* g, naRef field, naRef* out)
+{
+ const char* fieldName = naStr_data(field);
+ Waypt* wpt = (flightgear::Waypt*) g;
+ return waypointCommonGetMember(c, wpt, fieldName, out);
+}
+
+static RouteRestriction routeRestrictionFromString(const char* s)
+{
+ std::string u(s);
+ boost::to_lower(u);
+ if (u == "computed") return RESTRICT_COMPUTED;
+ if (u == "at") return RESTRICT_AT;
+ if (u == "mach") return SPEED_RESTRICT_MACH;
+ if (u == "computed-mach") return SPEED_COMPUTED_MACH;
+ if (u == "delete") return RESTRICT_DELETE;
+ return RESTRICT_NONE;
+};
+
+naRef routeRestrictionToNasal(naContext c, RouteRestriction rr)
+{
+ switch (rr) {
+ case RESTRICT_NONE: return naNil();
+ case RESTRICT_AT: return stringToNasal(c, "at");
+ case RESTRICT_ABOVE: return stringToNasal(c, "above");
+ case RESTRICT_BELOW: return stringToNasal(c, "below");
+ case SPEED_RESTRICT_MACH: return stringToNasal(c, "mach");
+ case RESTRICT_COMPUTED: return stringToNasal(c, "computed");
+ case SPEED_COMPUTED_MACH: return stringToNasal(c, "computed-mach");
+ case RESTRICT_DELETE: return stringToNasal(c, "delete");
+ }
+
+ return naNil();
+}
+
+static const char* legGhostGetMember(naContext c, void* g, naRef field, naRef* out)
+{
+ const char* fieldName = naStr_data(field);
+ FlightPlan::Leg* leg = (FlightPlan::Leg*) g;
+ Waypt* wpt = leg->waypoint();
+
+ if (!strcmp(fieldName, "parents")) {
+ *out = naNewVector(c);
+ naVec_append(*out, fpLegPrototype);
+ naVec_append(*out, waypointPrototype);
+ } else if (!strcmp(fieldName, "index")) {
+ *out = naNum(leg->index());
+ } else if (!strcmp(fieldName, "alt_cstr")) {
+ *out = naNum(leg->altitudeFt());
+ } else if (!strcmp(fieldName, "alt_cstr_type")) {
+ *out = routeRestrictionToNasal(c, leg->altitudeRestriction());
+ } else if (!strcmp(fieldName, "speed_cstr")) {
+ double s = isMachRestrict(leg->speedRestriction()) ? leg->speedMach() : leg->speedKts();
+ *out = naNum(s);
+ } else if (!strcmp(fieldName, "speed_cstr_type")) {
+ *out = routeRestrictionToNasal(c, leg->speedRestriction());
+ } else if (!strcmp(fieldName, "leg_distance")) {
+ *out = naNum(leg->distanceNm());
+ } else if (!strcmp(fieldName, "leg_bearing")) {
+ *out = naNum(leg->courseDeg());
+ } else if (!strcmp(fieldName, "distance_along_route")) {
+ *out = naNum(leg->distanceAlongRoute());
+ } else { // check for fields defined on the underlying waypoint
+ return waypointCommonGetMember(c, wpt, fieldName, out);
+ }
+
+ return ""; // success
+}
+
+static void waypointGhostSetMember(naContext c, void* g, naRef field, naRef value)
+{
+ const char* fieldName = naStr_data(field);
+ Waypt* wpt = (Waypt*) g;
+ waypointCommonSetMember(c, wpt, fieldName, value);
+}
+
+static void legGhostSetMember(naContext c, void* g, naRef field, naRef value)
+{
+ const char* fieldName = naStr_data(field);
+ FlightPlan::Leg* leg = (FlightPlan::Leg*) g;
+
+ waypointCommonSetMember(c, leg->waypoint(), fieldName, value);
+}
+
+static const char* flightplanGhostGetMember(naContext c, void* g, naRef field, naRef* out)
+{
+ const char* fieldName = naStr_data(field);
+ FlightPlan* fp = (FlightPlan*) g;
+
+ if (!strcmp(fieldName, "parents")) {
+ *out = naNewVector(c);
+ naVec_append(*out, flightplanPrototype);
+ } else if (!strcmp(fieldName, "id")) *out = stringToNasal(c, fp->ident());
+ else if (!strcmp(fieldName, "departure")) *out = ghostForAirport(c, fp->departureAirport());
+ else if (!strcmp(fieldName, "destination")) *out = ghostForAirport(c, fp->destinationAirport());
+ else if (!strcmp(fieldName, "departure_runway")) *out = ghostForRunway(c, fp->departureRunway());
+ else if (!strcmp(fieldName, "destination_runway")) *out = ghostForRunway(c, fp->destinationRunway());
+ else if (!strcmp(fieldName, "sid")) *out = ghostForProcedure(c, fp->sid());
+ else if (!strcmp(fieldName, "sid_trans")) *out = ghostForProcedure(c, fp->sidTransition());
+ else if (!strcmp(fieldName, "star")) *out = ghostForProcedure(c, fp->star());
+ else if (!strcmp(fieldName, "star_trans")) *out = ghostForProcedure(c, fp->starTransition());
+ else if (!strcmp(fieldName, "approach")) *out = ghostForProcedure(c, fp->approach());
+ else if (!strcmp(fieldName, "current")) *out = naNum(fp->currentIndex());
+ else {
+ return 0;
+ }
+
+ return "";
+}
+
+static void flightplanGhostSetMember(naContext c, void* g, naRef field, naRef value)
+{
+ const char* fieldName = naStr_data(field);
+ FlightPlan* fp = (FlightPlan*) g;
+
+ if (!strcmp(fieldName, "id")) {
+ if (!naIsString(value)) naRuntimeError(c, "flightplan.id must be a string");
+ fp->setIdent(naStr_data(value));
+ } else if (!strcmp(fieldName, "current")) {
+ int index = value.num;
+ if ((index < 0) || (index >= fp->numLegs())) {
+ return;
+ }
+ fp->setCurrentIndex(index);
+ } else if (!strcmp(fieldName, "departure")) {
+ FGAirport* apt = airportGhost(value);
+ if (apt) {
+ fp->setDeparture(apt);
+ return;
+ }
+
+ FGRunway* rwy = runwayGhost(value);
+ if (rwy){
+ fp->setDeparture(rwy);
+ return;
+ }
+
+ if (naIsNil(value)) {
+ fp->setDeparture(static_cast<FGAirport*>(NULL));
+ return;
+ }
+
+ naRuntimeError(c, "bad argument type setting departure");
+ } else if (!strcmp(fieldName, "destination")) {
+ FGAirport* apt = airportGhost(value);
+ if (apt) {
+ fp->setDestination(apt);
+ return;
+ }
+
+ FGRunway* rwy = runwayGhost(value);
+ if (rwy){
+ fp->setDestination(rwy);
+ return;
+ }
+
+ naRuntimeError(c, "bad argument type setting destination");
+ } else if (!strcmp(fieldName, "departure_runway")) {
+ FGRunway* rwy = runwayGhost(value);
+ if (rwy){
+ fp->setDeparture(rwy);
+ return;
+ }
+
+ naRuntimeError(c, "bad argument type setting departure runway");
+ } else if (!strcmp(fieldName, "destination_runway")) {
+ FGRunway* rwy = runwayGhost(value);
+ if (rwy){
+ fp->setDestination(rwy);
+ return;
+ }
+
+ naRuntimeError(c, "bad argument type setting destination runway");
+ } else if (!strcmp(fieldName, "sid")) {
+ Procedure* proc = procedureGhost(value);
+ if (proc && (proc->type() == PROCEDURE_SID)) {
+ fp->setSID((flightgear::SID*) proc);
+ return;
+ }
+ // allow a SID transition to be set, implicitly include the SID itself
+ if (proc && (proc->type() == PROCEDURE_TRANSITION)) {
+ fp->setSID((Transition*) proc);
+ return;
+ }
+
+ if (naIsString(value)) {
+ FGAirport* apt = fp->departureAirport();
+ fp->setSID(apt->findSIDWithIdent(naStr_data(value)));
+ return;
+ }
+
+ naRuntimeError(c, "bad argument type setting SID");
+ } else if (!strcmp(fieldName, "star")) {
+ Procedure* proc = procedureGhost(value);
+ if (proc && (proc->type() == PROCEDURE_STAR)) {
+ fp->setSTAR((STAR*) proc);
+ return;
+ }
+
+ if (proc && (proc->type() == PROCEDURE_TRANSITION)) {
+ fp->setSTAR((Transition*) proc);
+ return;
+ }
+
+ if (naIsString(value)) {
+ FGAirport* apt = fp->destinationAirport();
+ fp->setSTAR(apt->findSTARWithIdent(naStr_data(value)));
+ return;
+ }
+
+ naRuntimeError(c, "bad argument type setting STAR");
+ } else if (!strcmp(fieldName, "approach")) {
+ Procedure* proc = procedureGhost(value);
+ if (proc && Approach::isApproach(proc->type())) {
+ fp->setApproach((Approach*) proc);
+ return;
+ }
+
+ if (naIsString(value)) {
+ FGAirport* apt = fp->destinationAirport();
+ fp->setApproach(apt->findApproachWithIdent(naStr_data(value)));
+ return;
+ }
+
+ naRuntimeError(c, "bad argument type setting approach");
+ }
+}
+
+
+static naRef procedureTpType(naContext c, ProcedureType ty)
+{
+ switch (ty) {
+ case PROCEDURE_SID: return stringToNasal(c, "sid");
+ case PROCEDURE_STAR: return stringToNasal(c, "star");
+ case PROCEDURE_APPROACH_VOR:
+ case PROCEDURE_APPROACH_ILS:
+ case PROCEDURE_APPROACH_RNAV:
+ case PROCEDURE_APPROACH_NDB:
+ return stringToNasal(c, "IAP");
+ default:
+ return naNil();
+ }
+}
+
+static naRef procedureRadioType(naContext c, ProcedureType ty)
+{
+ switch (ty) {
+ case PROCEDURE_APPROACH_VOR: return stringToNasal(c, "VOR");
+ case PROCEDURE_APPROACH_ILS: return stringToNasal(c, "ILS");
+ case PROCEDURE_APPROACH_RNAV: return stringToNasal(c, "RNAV");
+ case PROCEDURE_APPROACH_NDB: return stringToNasal(c, "NDB");
+ default:
+ return naNil();
+ }
+}
+
+static const char* procedureGhostGetMember(naContext c, void* g, naRef field, naRef* out)
+{
+ const char* fieldName = naStr_data(field);
+ Procedure* proc = (Procedure*) g;
+
+ if (!strcmp(fieldName, "parents")) {
+ *out = naNewVector(c);
+ naVec_append(*out, procedurePrototype);
+ } else if (!strcmp(fieldName, "id")) *out = stringToNasal(c, proc->ident());
+ else if (!strcmp(fieldName, "airport")) *out = ghostForAirport(c, proc->airport());
+ else if (!strcmp(fieldName, "tp_type")) *out = procedureTpType(c, proc->type());
+ else if (!strcmp(fieldName, "radio")) *out = procedureRadioType(c, proc->type());
+ else if (!strcmp(fieldName, "runways")) {
+ *out = naNewVector(c);
+ BOOST_FOREACH(FGRunwayRef rwy, proc->runways()) {
+ naVec_append(*out, stringToNasal(c, rwy->ident()));
+ }
+ } else if (!strcmp(fieldName, "transitions")) {
+ if ((proc->type() != PROCEDURE_SID) && (proc->type() != PROCEDURE_STAR)) {
+ *out = naNil();
+ return "";
+ }
+
+ ArrivalDeparture* ad = static_cast<ArrivalDeparture*>(proc);
+ *out = naNewVector(c);
+ BOOST_FOREACH(std::string id, ad->transitionIdents()) {
+ naVec_append(*out, stringToNasal(c, id));
+ }
+ } else {
+ return 0;
+ }
+
+ return "";
+}
+
+static const char* runwayGhostGetMember(naContext c, void* g, naRef field, naRef* out)
+{
+ const char* fieldName = naStr_data(field);
+ FGRunwayBase* base = (FGRunwayBase*) g;
+
+ if (!strcmp(fieldName, "id")) *out = stringToNasal(c, base->ident());
+ else if (!strcmp(fieldName, "lat")) *out = naNum(base->latitude());
+ else if (!strcmp(fieldName, "lon")) *out = naNum(base->longitude());
+ else if (!strcmp(fieldName, "heading")) *out = naNum(base->headingDeg());
+ else if (!strcmp(fieldName, "length")) *out = naNum(base->lengthM());
+ else if (!strcmp(fieldName, "width")) *out = naNum(base->widthM());
+ else if (!strcmp(fieldName, "surface")) *out = naNum(base->surface());
+ else if (base->type() == FGRunwayBase::RUNWAY) {
+ FGRunway* rwy = (FGRunway*) g;
+ if (!strcmp(fieldName, "threshold")) *out = naNum(rwy->displacedThresholdM());
+ else if (!strcmp(fieldName, "stopway")) *out = naNum(rwy->stopwayM());
+ else if (!strcmp(fieldName, "reciprocal")) {
+ *out = ghostForRunway(c, rwy->reciprocalRunway());
+ } else if (!strcmp(fieldName, "ils_frequency_mhz")) {
+ *out = rwy->ILS() ? naNum(rwy->ILS()->get_freq() / 100.0) : naNil();
+ } else if (!strcmp(fieldName, "ils")) {
+ *out = ghostForNavaid(c, rwy->ILS());
+ } else {
+ return 0;
+ }
+ } else {
+ return 0;
+ }
+
+ return "";
+}
+
+static const char* navaidGhostGetMember(naContext c, void* g, naRef field, naRef* out)
+{
+ const char* fieldName = naStr_data(field);
+ FGNavRecord* nav = (FGNavRecord*) g;
+
+ if (!strcmp(fieldName, "id")) *out = stringToNasal(c, nav->ident());
+ else if (!strcmp(fieldName, "name")) *out = stringToNasal(c, nav->name());
+ else if (!strcmp(fieldName, "lat")) *out = naNum(nav->get_lat());
+ else if (!strcmp(fieldName, "lon")) *out = naNum(nav->get_lon());
+ else if (!strcmp(fieldName, "elevation")) {
+ *out = naNum(nav->get_elev_ft() * SG_FEET_TO_METER);
+ } else if (!strcmp(fieldName, "type")) {
+ *out = stringToNasal(c, nav->nameForType(nav->type()));
+ } else if (!strcmp(fieldName, "frequency")) {
+ *out = naNum(nav->get_freq());
+ } else if (!strcmp(fieldName, "range_nm")) {
+ *out = naNum(nav->get_range());
+ } else if (!strcmp(fieldName, "course")) {
+ if ((nav->type() == FGPositioned::ILS) || (nav->type() == FGPositioned::LOC)) {
+ double radial = nav->get_multiuse();
+ SG_NORMALIZE_RANGE(radial, 0.0, 360.0);
+ *out = naNum(radial);
+ } else {
+ *out = naNil();
+ }
+ } else {
+ return 0;
+ }
+
+ return "";
+}
+
+static const char* fixGhostGetMember(naContext c, void* g, naRef field, naRef* out)
+{
+ const char* fieldName = naStr_data(field);
+ FGFix* fix = (FGFix*) g;
+
+ if (!strcmp(fieldName, "id")) *out = stringToNasal(c, fix->ident());
+ else if (!strcmp(fieldName, "lat")) *out = naNum(fix->get_lat());
+ else if (!strcmp(fieldName, "lon")) *out = naNum(fix->get_lon());
+ else {
+ return 0;
+ }
+
+ return "";
+}
+
+static bool hashIsCoord(naRef h)
+{
+ naRef parents = naHash_cget(h, (char*) "parents");
+ if (!naIsVector(parents)) {
+ return false;
+ }
+
+ return naEqual(naVec_get(parents, 0), geoCoordClass) != 0;
+}
+
+bool geodFromHash(naRef ref, SGGeod& result)
+{
+ if (!naIsHash(ref)) {
+ return false;
+ }
+
+
+// check for manual latitude / longitude names
+ naRef lat = naHash_cget(ref, (char*) "lat");
+ naRef lon = naHash_cget(ref, (char*) "lon");
+ if (naIsNum(lat) && naIsNum(lon)) {
+ result = SGGeod::fromDeg(naNumValue(lon).num, naNumValue(lat).num);
+ return true;
+ }
+
+ if (hashIsCoord(ref)) {
+ naRef lat = naHash_cget(ref, (char*) "_lat");
+ naRef lon = naHash_cget(ref, (char*) "_lon");
+ if (naIsNum(lat) && naIsNum(lon)) {
+ result = SGGeod::fromRad(naNumValue(lon).num, naNumValue(lat).num);
+ return true;
+ }
+ }
+
+// check for any synonyms?
+ // latitude + longitude?
+
+ return false;
+}
+
+static int geodFromArgs(naRef* args, int offset, int argc, SGGeod& result)
+{
+ if (offset >= argc) {
+ return 0;
+ }
+
+ if (naIsGhost(args[offset])) {
+ naGhostType* gt = naGhost_type(args[offset]);
+ if (gt == &AirportGhostType) {
+ result = airportGhost(args[offset])->geod();
+ return 1;
+ }
+
+ if (gt == &NavaidGhostType) {
+ result = navaidGhost(args[offset])->geod();
+ return 1;
+ }
+
+ if (gt == &RunwayGhostType) {
+ result = runwayGhost(args[offset])->geod();
+ return 1;
+ }
+
+ if (gt == &TaxiwayGhostType) {
+ result = taxiwayGhost(args[offset])->geod();
+ return 1;
+ }
+
+ if (gt == &FixGhostType) {
+ result = fixGhost(args[offset])->geod();
+ return 1;
+ }
+
+ if (gt == &WayptGhostType) {
+ result = wayptGhost(args[offset])->position();
+ return 1;
+ }
+ }
+
+ if (geodFromHash(args[offset], result)) {
+ return 1;
+ }
+
+ if (((argc - offset) >= 2) && naIsNum(args[offset]) && naIsNum(args[offset + 1])) {
+ double lat = naNumValue(args[0]).num,
+ lon = naNumValue(args[1]).num;
+ result = SGGeod::fromDeg(lon, lat);
+ return 2;
+ }
+
+ return 0;
+}
+
+// Convert a cartesian point to a geodetic lat/lon/altitude.
+static naRef f_carttogeod(naContext c, naRef me, int argc, naRef* args)
+{
+ double lat, lon, alt, xyz[3];
+ if(argc != 3) naRuntimeError(c, "carttogeod() expects 3 arguments");
+ for(int i=0; i<3; i++)
+ xyz[i] = naNumValue(args[i]).num;
+ sgCartToGeod(xyz, &lat, &lon, &alt);
+ lat *= SG_RADIANS_TO_DEGREES;
+ lon *= SG_RADIANS_TO_DEGREES;
+ naRef vec = naNewVector(c);
+ naVec_append(vec, naNum(lat));
+ naVec_append(vec, naNum(lon));
+ naVec_append(vec, naNum(alt));
+ return vec;
+}
+
+// Convert a geodetic lat/lon/altitude to a cartesian point.
+static naRef f_geodtocart(naContext c, naRef me, int argc, naRef* args)
+{
+ if(argc != 3) naRuntimeError(c, "geodtocart() expects 3 arguments");
+ double lat = naNumValue(args[0]).num * SG_DEGREES_TO_RADIANS;
+ double lon = naNumValue(args[1]).num * SG_DEGREES_TO_RADIANS;
+ double alt = naNumValue(args[2]).num;
+ double xyz[3];
+ sgGeodToCart(lat, lon, alt, xyz);
+ naRef vec = naNewVector(c);
+ naVec_append(vec, naNum(xyz[0]));
+ naVec_append(vec, naNum(xyz[1]));
+ naVec_append(vec, naNum(xyz[2]));
+ return vec;
+}
+
+// For given geodetic point return array with elevation, and a material data
+// hash, or nil if there's no information available (tile not loaded). If
+// information about the material isn't available, then nil is returned instead
+// of the hash.
+static naRef f_geodinfo(naContext c, naRef me, int argc, naRef* args)
+{
+#define HASHSET(s,l,n) naHash_set(matdata, naStr_fromdata(naNewString(c),s,l),n)
+ if(argc < 2 || argc > 3)
+ naRuntimeError(c, "geodinfo() expects 2 or 3 arguments: lat, lon [, maxalt]");
+ double lat = naNumValue(args[0]).num;
+ double lon = naNumValue(args[1]).num;
+ double elev = argc == 3 ? naNumValue(args[2]).num : 10000;
+ const simgear::BVHMaterial *material;
+ SGGeod geod = SGGeod::fromDegM(lon, lat, elev);
+ if(!globals->get_scenery()->get_elevation_m(geod, elev, &material))
+ return naNil();
+ const SGMaterial *mat = dynamic_cast<const SGMaterial *>(material);
+ naRef vec = naNewVector(c);
+ naVec_append(vec, naNum(elev));
+ naRef matdata = naNil();
+ if(mat) {
+ matdata = naNewHash(c);
+ naRef names = naNewVector(c);
+ BOOST_FOREACH(const std::string& n, mat->get_names())
+ naVec_append(names, stringToNasal(c, n));
+
+ HASHSET("names", 5, names);
+ HASHSET("solid", 5, naNum(mat->get_solid()));
+ HASHSET("friction_factor", 15, naNum(mat->get_friction_factor()));
+ HASHSET("rolling_friction", 16, naNum(mat->get_rolling_friction()));
+ HASHSET("load_resistance", 15, naNum(mat->get_load_resistance()));
+ HASHSET("bumpiness", 9, naNum(mat->get_bumpiness()));
+ HASHSET("light_coverage", 14, naNum(mat->get_light_coverage()));
+ }
+ naVec_append(vec, matdata);
+ return vec;
+#undef HASHSET
+}
+
+
+// Returns data hash for particular or nearest airport of a <type>, or nil
+// on error.
+//
+// airportinfo(<id>); e.g. "KSFO"
+// airportinfo(<type>); type := ("airport"|"seaport"|"heliport")
+// airportinfo() same as airportinfo("airport")
+// airportinfo(<lat>, <lon> [, <type>]);
+static naRef f_airportinfo(naContext c, naRef me, int argc, naRef* args)
+{
+ SGGeod pos = globals->get_aircraft_position();
+ FGAirport* apt = NULL;
+
+ if(argc >= 2 && naIsNum(args[0]) && naIsNum(args[1])) {
+ pos = SGGeod::fromDeg(args[1].num, args[0].num);
+ args += 2;
+ argc -= 2;
+ }
+
+ double maxRange = 10000.0; // expose this? or pick a smaller value?
+
+ FGAirport::TypeRunwayFilter filter; // defaults to airports only
+
+ if(argc == 0) {
+ // fall through and use AIRPORT
+ } else if(argc == 1 && naIsString(args[0])) {
+ if (filter.fromTypeString(naStr_data(args[0]))) {
+ // done!
+ } else {
+ // user provided an <id>, hopefully
+ apt = FGAirport::findByIdent(naStr_data(args[0]));
+ if (!apt) {
+ // return nil here, but don't raise a runtime error; this is a
+ // legitamate way to validate an ICAO code, for example in a
+ // dialog box or similar.
+ return naNil();
+ }
+ }
+ } else {
+ naRuntimeError(c, "airportinfo() with invalid function arguments");
+ return naNil();
+ }
+
+ if(!apt) {
+ apt = FGAirport::findClosest(pos, maxRange, &filter);
+ if(!apt) return naNil();
+ }
+
+ return ghostForAirport(c, apt);
+}
+
+static naRef f_findAirportsWithinRange(naContext c, naRef me, int argc, naRef* args)
+{
+ int argOffset = 0;
+ SGGeod pos = globals->get_aircraft_position();
+ argOffset += geodFromArgs(args, 0, argc, pos);
+
+ if (!naIsNum(args[argOffset])) {
+ naRuntimeError(c, "findAirportsWithinRange expected range (in nm) as arg %d", argOffset);
+ }
+
+ FGAirport::TypeRunwayFilter filter; // defaults to airports only
+ double rangeNm = args[argOffset++].num;
+ if (argOffset < argc) {
+ filter.fromTypeString(naStr_data(args[argOffset++]));
+ }
+
+ naRef r = naNewVector(c);
+
+ FGPositionedList apts = FGPositioned::findWithinRange(pos, rangeNm, &filter);
+ FGPositioned::sortByRange(apts, pos);
+
+ BOOST_FOREACH(FGPositionedRef a, apts) {
+ FGAirport* apt = (FGAirport*) a.get();
+ naVec_append(r, ghostForAirport(c, apt));
+ }
+
+ return r;
+}
+
+static naRef f_findAirportsByICAO(naContext c, naRef me, int argc, naRef* args)
+{
+ if (!naIsString(args[0])) {
+ naRuntimeError(c, "findAirportsByICAO expects string as arg 0");
+ }
+
+ int argOffset = 0;
+ std::string prefix(naStr_data(args[argOffset++]));
+ FGAirport::TypeRunwayFilter filter; // defaults to airports only
+ if (argOffset < argc) {
+ filter.fromTypeString(naStr_data(args[argOffset++]));
+ }
+
+ naRef r = naNewVector(c);
+
+ FGPositionedList apts = FGPositioned::findAllWithIdent(prefix, &filter, false);
+
+ BOOST_FOREACH(FGPositionedRef a, apts) {
+ FGAirport* apt = (FGAirport*) a.get();
+ naVec_append(r, ghostForAirport(c, apt));
+ }
+
+ return r;
+}
+
+static naRef f_airport_tower(naContext c, naRef me, int argc, naRef* args)
+{
+ FGAirport* apt = airportGhost(me);
+ if (!apt) {
+ naRuntimeError(c, "airport.tower called on non-airport object");
+ }
+
+ // build a hash for the tower position
+ SGGeod towerLoc = apt->getTowerLocation();
+ naRef tower = naNewHash(c);
+ hashset(c, tower, "lat", naNum(towerLoc.getLatitudeDeg()));
+ hashset(c, tower, "lon", naNum(towerLoc.getLongitudeDeg()));
+ hashset(c, tower, "elevation", naNum(towerLoc.getElevationM()));
+ return tower;
+}
+
+static naRef f_airport_comms(naContext c, naRef me, int argc, naRef* args)
+{
+ FGAirport* apt = airportGhost(me);
+ if (!apt) {
+ naRuntimeError(c, "airport.comms called on non-airport object");
+ }
+ naRef comms = naNewVector(c);
+
+// if we have an explicit type, return a simple vector of frequencies
+ if (argc > 0 && !naIsString(args[0])) {
+ naRuntimeError(c, "airport.comms argument must be a frequency type name");
+ }
+
+ if (argc > 0) {
+ std::string commName = naStr_data(args[0]);
+ FGPositioned::Type commType = FGPositioned::typeFromName(commName);
+
+ BOOST_FOREACH(flightgear::CommStation* comm, apt->commStationsOfType(commType)) {
+ naVec_append(comms, naNum(comm->freqMHz()));
+ }
+ } else {
+// otherwise return a vector of hashes, one for each comm station.
+ BOOST_FOREACH(flightgear::CommStation* comm, apt->commStations()) {
+ naRef commHash = naNewHash(c);
+ hashset(c, commHash, "frequency", naNum(comm->freqMHz()));
+ hashset(c, commHash, "ident", stringToNasal(c, comm->ident()));
+ naVec_append(comms, commHash);
+ }
+ }
+
+ return comms;
+}
+
+static naRef f_airport_runway(naContext c, naRef me, int argc, naRef* args)
+{
+ FGAirport* apt = airportGhost(me);
+ if (!apt) {
+ naRuntimeError(c, "airport.runway called on non-airport object");
+ }
+
+ if ((argc < 1) || !naIsString(args[0])) {
+ naRuntimeError(c, "airport.runway expects a runway ident argument");
+ }
+
+ std::string ident(naStr_data(args[0]));
+ boost::to_upper(ident);
+
+ if (apt->hasRunwayWithIdent(ident)) {
+ return ghostForRunway(c, apt->getRunwayByIdent(ident));
+ } else if (apt->hasHelipadWithIdent(ident)) {
+ return ghostForHelipad(c, apt->getHelipadByIdent(ident));
+ }
+ return naNil();
+}
+
+static naRef f_airport_runwaysWithoutReciprocals(naContext c, naRef me, int argc, naRef* args)
+{
+ FGAirport* apt = airportGhost(me);
+ if (!apt) {
+ naRuntimeError(c, "airport.runwaysWithoutReciprocals called on non-airport object");
+ }
+
+ FGRunwayList rwylist(apt->getRunwaysWithoutReciprocals());
+ naRef runways = naNewVector(c);
+ for (unsigned int r=0; r<rwylist.size(); ++r) {
+ FGRunway* rwy(rwylist[r]);
+ naVec_append(runways, ghostForRunway(c, apt->getRunwayByIdent(rwy->ident())));
+ }
+ return runways;
+}
+
+static naRef f_airport_sids(naContext c, naRef me, int argc, naRef* args)
+{
+ FGAirport* apt = airportGhost(me);
+ if (!apt) {
+ naRuntimeError(c, "airport.sids called on non-airport object");
+ }
+
+ naRef sids = naNewVector(c);
+
+ FGRunway* rwy = NULL;
+ if (argc > 0 && naIsString(args[0])) {
+ if (!apt->hasRunwayWithIdent(naStr_data(args[0]))) {
+ return naNil();
+ }
+
+ rwy = apt->getRunwayByIdent(naStr_data(args[0]));
+ } else if (argc > 0) {
+ rwy = runwayGhost(args[0]);
+ }
+
+ if (rwy) {
+ BOOST_FOREACH(flightgear::SID* sid, rwy->getSIDs()) {
+ naRef procId = stringToNasal(c, sid->ident());
+ naVec_append(sids, procId);
+ }
+ } else {
+ for (unsigned int s=0; s<apt->numSIDs(); ++s) {
+ flightgear::SID* sid = apt->getSIDByIndex(s);
+ naRef procId = stringToNasal(c, sid->ident());
+ naVec_append(sids, procId);
+ }
+ }
+
+ return sids;
+}
+
+static naRef f_airport_stars(naContext c, naRef me, int argc, naRef* args)
+{
+ FGAirport* apt = airportGhost(me);
+ if (!apt) {
+ naRuntimeError(c, "airport.stars called on non-airport object");
+ }
+
+ naRef stars = naNewVector(c);
+
+ FGRunway* rwy = NULL;
+ if (argc > 0 && naIsString(args[0])) {
+ if (!apt->hasRunwayWithIdent(naStr_data(args[0]))) {
+ return naNil();
+ }
+
+ rwy = apt->getRunwayByIdent(naStr_data(args[0]));
+ } else if (argc > 0) {
+ rwy = runwayGhost(args[0]);
+ }
+
+ if (rwy) {
+ BOOST_FOREACH(flightgear::STAR* s, rwy->getSTARs()) {
+ naRef procId = stringToNasal(c, s->ident());
+ naVec_append(stars, procId);
+ }
+ } else {
+ for (unsigned int s=0; s<apt->numSTARs(); ++s) {
+ flightgear::STAR* star = apt->getSTARByIndex(s);
+ naRef procId = stringToNasal(c, star->ident());
+ naVec_append(stars, procId);
+ }
+ }
+
+ return stars;
+}
+
+static naRef f_airport_approaches(naContext c, naRef me, int argc, naRef* args)
+{
+ FGAirport* apt = airportGhost(me);
+ if (!apt) {
+ naRuntimeError(c, "airport.getApproachList called on non-airport object");
+ }
+
+ naRef approaches = naNewVector(c);
+
+ ProcedureType ty = PROCEDURE_INVALID;
+ if ((argc > 1) && naIsString(args[1])) {
+ std::string u(naStr_data(args[1]));
+ boost::to_upper(u);
+ if (u == "NDB") ty = PROCEDURE_APPROACH_NDB;
+ if (u == "VOR") ty = PROCEDURE_APPROACH_VOR;
+ if (u == "ILS") ty = PROCEDURE_APPROACH_ILS;
+ if (u == "RNAV") ty = PROCEDURE_APPROACH_RNAV;
+ }
+
+ FGRunway* rwy = NULL;
+ if (argc > 0 && (rwy = runwayGhost(args[0]))) {
+ // ok
+ } else if (argc > 0 && naIsString(args[0])) {
+ if (!apt->hasRunwayWithIdent(naStr_data(args[0]))) {
+ return naNil();
+ }
+
+ rwy = apt->getRunwayByIdent(naStr_data(args[0]));
+ }
+
+ if (rwy) {
+ BOOST_FOREACH(Approach* s, rwy->getApproaches()) {
+ if ((ty != PROCEDURE_INVALID) && (s->type() != ty)) {
+ continue;
+ }
+
+ naRef procId = stringToNasal(c, s->ident());
+ naVec_append(approaches, procId);
+ }
+ } else {
+ // no runway specified, report them all
+ for (unsigned int s=0; s<apt->numApproaches(); ++s) {
+ Approach* app = apt->getApproachByIndex(s);
+ if ((ty != PROCEDURE_INVALID) && (app->type() != ty)) {
+ continue;
+ }
+
+ naRef procId = stringToNasal(c, app->ident());
+ naVec_append(approaches, procId);
+ }
+ }
+
+ return approaches;
+}
+
+static naRef f_airport_parking(naContext c, naRef me, int argc, naRef* args)
+{
+ FGAirport* apt = airportGhost(me);
+ if (!apt) {
+ naRuntimeError(c, "airport.parking called on non-airport object");
+ }
+
+ naRef r = naNewVector(c);
+ std::string type;
+ bool onlyAvailable = false;
+
+ if (argc > 0 && naIsString(args[0])) {
+ type = naStr_data(args[0]);
+ }
+
+ if ((argc > 1) && naIsNum(args[1])) {
+ onlyAvailable = (args[1].num != 0.0);
+ }
+
+ FGAirportDynamics* dynamics = apt->getDynamics();
+ PositionedIDVec parkings = flightgear::NavDataCache::instance()->airportItemsOfType(apt->guid(),
+ FGPositioned::PARKING);
+
+ BOOST_FOREACH(PositionedID parking, parkings) {
+ // filter out based on availability and type
+ if (onlyAvailable && !dynamics->isParkingAvailable(parking)) {
+ continue;
+ }
+
+ FGParking* park = dynamics->getParking(parking);
+ if (!type.empty() && (park->getType() != type)) {
+ continue;
+ }
+
+ const SGGeod& parkLoc = park->geod();
+ naRef ph = naNewHash(c);
+ hashset(c, ph, "name", stringToNasal(c, park->getName()));
+ hashset(c, ph, "lat", naNum(parkLoc.getLatitudeDeg()));
+ hashset(c, ph, "lon", naNum(parkLoc.getLongitudeDeg()));
+ hashset(c, ph, "elevation", naNum(parkLoc.getElevationM()));
+ naVec_append(r, ph);
+ }
+
+ return r;
+}
+
+static naRef f_airport_getSid(naContext c, naRef me, int argc, naRef* args)
+{
+ FGAirport* apt = airportGhost(me);
+ if (!apt) {
+ naRuntimeError(c, "airport.getSid called on non-airport object");
+ }
+
+ if ((argc != 1) || !naIsString(args[0])) {
+ naRuntimeError(c, "airport.getSid passed invalid argument");
+ }
+
+ std::string ident = naStr_data(args[0]);
+ return ghostForProcedure(c, apt->findSIDWithIdent(ident));
+}
+
+static naRef f_airport_getStar(naContext c, naRef me, int argc, naRef* args)
+{
+ FGAirport* apt = airportGhost(me);
+ if (!apt) {
+ naRuntimeError(c, "airport.getStar called on non-airport object");
+ }
+
+ if ((argc != 1) || !naIsString(args[0])) {
+ naRuntimeError(c, "airport.getStar passed invalid argument");
+ }
+
+ std::string ident = naStr_data(args[0]);
+ return ghostForProcedure(c, apt->findSTARWithIdent(ident));
+}
+
+static naRef f_airport_getApproach(naContext c, naRef me, int argc, naRef* args)
+{
+ FGAirport* apt = airportGhost(me);
+ if (!apt) {
+ naRuntimeError(c, "airport.getIAP called on non-airport object");
+ }
+
+ if ((argc != 1) || !naIsString(args[0])) {
+ naRuntimeError(c, "airport.getIAP passed invalid argument");
+ }
+
+ std::string ident = naStr_data(args[0]);
+ return ghostForProcedure(c, apt->findApproachWithIdent(ident));
+}
+
+static naRef f_airport_findBestRunway(naContext c, naRef me, int argc, naRef* args)
+{
+ FGAirport* apt = airportGhost(me);
+ if (!apt) {
+ naRuntimeError(c, "findBestRunway called on non-airport object");
+ }
+
+ SGGeod pos;
+ if (!geodFromArgs(args, 0, argc, pos)) {
+ naRuntimeError(c, "findBestRunway must be passed a position");
+ }
+
+ return ghostForRunway(c, apt->findBestRunwayForPos(pos));
+}
+
+static naRef f_airport_toString(naContext c, naRef me, int argc, naRef* args)
+{
+ FGAirport* apt = airportGhost(me);
+ if (!apt) {
+ naRuntimeError(c, "airport.tostring called on non-airport object");
+ }
+
+ return stringToNasal(c, "an airport " + apt->ident());
+}
+
+// Returns vector of data hash for navaid of a <type>, nil on error
+// navaids sorted by ascending distance
+// navinfo([<lat>,<lon>],[<type>],[<id>])
+// lat/lon (numeric): use latitude/longitude instead of ac position
+// type: ("fix"|"vor"|"ndb"|"ils"|"dme"|"tacan"|"any")
+// id: (partial) id of the fix
+// examples:
+// navinfo("vor") returns all vors
+// navinfo("HAM") return all navaids who's name start with "HAM"
+// navinfo("vor", "HAM") return all vor who's name start with "HAM"
+//navinfo(34,48,"vor","HAM") return all vor who's name start with "HAM"
+// sorted by distance relative to lat=34, lon=48
+static naRef f_navinfo(naContext c, naRef me, int argc, naRef* args)
+{
+ SGGeod pos;
+
+ if(argc >= 2 && naIsNum(args[0]) && naIsNum(args[1])) {
+ pos = SGGeod::fromDeg(args[1].num, args[0].num);
+ args += 2;
+ argc -= 2;
+ } else {
+ pos = globals->get_aircraft_position();
+ }
+
+ FGPositioned::Type type = FGPositioned::INVALID;
+ nav_list_type navlist;
+ const char * id = "";
+
+ if(argc > 0 && naIsString(args[0])) {
+ const char *s = naStr_data(args[0]);
+ if(!strcmp(s, "any")) type = FGPositioned::INVALID;
+ else if(!strcmp(s, "fix")) type = FGPositioned::FIX;
+ else if(!strcmp(s, "vor")) type = FGPositioned::VOR;
+ else if(!strcmp(s, "ndb")) type = FGPositioned::NDB;
+ else if(!strcmp(s, "ils")) type = FGPositioned::ILS;
+ else if(!strcmp(s, "dme")) type = FGPositioned::DME;
+ else if(!strcmp(s, "tacan")) type = FGPositioned::TACAN;
+ else id = s; // this is an id
+ ++args;
+ --argc;
+ }
+
+ if(argc > 0 && naIsString(args[0])) {
+ if( *id != 0 ) {
+ naRuntimeError(c, "navinfo() called with navaid id");
+ return naNil();
+ }
+ id = naStr_data(args[0]);
+ ++args;
+ --argc;
+ }
+
+ if( argc > 0 ) {
+ naRuntimeError(c, "navinfo() called with too many arguments");
+ return naNil();
+ }
+
+ FGNavList::TypeFilter filter(type);
+ navlist = FGNavList::findByIdentAndFreq( pos, id, 0.0, &filter );
+
+ naRef reply = naNewVector(c);
+ for( nav_list_type::const_iterator it = navlist.begin(); it != navlist.end(); ++it ) {
+ naVec_append( reply, ghostForNavaid(c, *it) );
+ }
+ return reply;
+}
+
+static naRef f_findNavaidsWithinRange(naContext c, naRef me, int argc, naRef* args)
+{
+ int argOffset = 0;
+ SGGeod pos = globals->get_aircraft_position();
+ argOffset += geodFromArgs(args, 0, argc, pos);
+
+ if (!naIsNum(args[argOffset])) {
+ naRuntimeError(c, "findNavaidsWithinRange expected range (in nm) as arg %d", argOffset);
+ }
+
+ FGPositioned::Type type = FGPositioned::INVALID;
+ double rangeNm = args[argOffset++].num;
+ if (argOffset < argc) {
+ type = FGPositioned::typeFromName(naStr_data(args[argOffset]));
+ }
+
+ naRef r = naNewVector(c);
+ FGNavList::TypeFilter filter(type);
+ FGPositionedList navs = FGPositioned::findWithinRange(pos, rangeNm, &filter);
+ FGPositioned::sortByRange(navs, pos);
+
+ BOOST_FOREACH(FGPositionedRef a, navs) {
+ FGNavRecord* nav = (FGNavRecord*) a.get();
+ naVec_append(r, ghostForNavaid(c, nav));
+ }
+
+ return r;
+}
+static naRef f_findNavaidByFrequency(naContext c, naRef me, int argc, naRef* args)
+{
+ int argOffset = 0;
+ SGGeod pos = globals->get_aircraft_position();
+ argOffset += geodFromArgs(args, 0, argc, pos);
+
+ if (!naIsNum(args[argOffset])) {
+ naRuntimeError(c, "findNavaidByFrequency expectes frequency (in Mhz) as arg %d", argOffset);
+ }
+
+ FGPositioned::Type type = FGPositioned::INVALID;
+ double freqMhz = args[argOffset++].num;
+ if (argOffset < argc) {
+ type = FGPositioned::typeFromName(naStr_data(args[argOffset]));
+ }
+
+ FGNavList::TypeFilter filter(type);
+ nav_list_type navs = FGNavList::findAllByFreq(freqMhz, pos, &filter);
+ if (navs.empty()) {
+ return naNil();
+ }
+
+ return ghostForNavaid(c, navs.front().ptr());
+}
-static void ghostDestroy(void* g);
-naGhostType PositionedGhostType = { ghostDestroy, "positioned" };
+static naRef f_findNavaidsByFrequency(naContext c, naRef me, int argc, naRef* args)
+{
+ int argOffset = 0;
+ SGGeod pos = globals->get_aircraft_position();
+ argOffset += geodFromArgs(args, 0, argc, pos);
+
+ if (!naIsNum(args[argOffset])) {
+ naRuntimeError(c, "findNavaidsByFrequency expectes frequency (in Mhz) as arg %d", argOffset);
+ }
+
+ FGPositioned::Type type = FGPositioned::INVALID;
+ double freqMhz = args[argOffset++].num;
+ if (argOffset < argc) {
+ type = FGPositioned::typeFromName(naStr_data(args[argOffset]));
+ }
+
+ naRef r = naNewVector(c);
+
+ FGNavList::TypeFilter filter(type);
+ nav_list_type navs = FGNavList::findAllByFreq(freqMhz, pos, &filter);
+
+ BOOST_FOREACH(nav_rec_ptr a, navs) {
+ naVec_append(r, ghostForNavaid(c, a.ptr()));
+ }
+
+ return r;
+}
-static FGPositioned* positionedGhost(naRef r)
+static naRef f_findNavaidsByIdent(naContext c, naRef me, int argc, naRef* args)
{
- if (naGhost_type(r) == &PositionedGhostType)
- return (FGPositioned*) naGhost_ptr(r);
- return 0;
+ int argOffset = 0;
+ SGGeod pos = globals->get_aircraft_position();
+ argOffset += geodFromArgs(args, 0, argc, pos);
+
+ if (!naIsString(args[argOffset])) {
+ naRuntimeError(c, "findNavaidsByIdent expectes ident string as arg %d", argOffset);
+ }
+
+ FGPositioned::Type type = FGPositioned::INVALID;
+ std::string ident = naStr_data(args[argOffset++]);
+ if (argOffset < argc) {
+ type = FGPositioned::typeFromName(naStr_data(args[argOffset]));
+ }
+
+ FGNavList::TypeFilter filter(type);
+ naRef r = naNewVector(c);
+ nav_list_type navs = FGNavList::findByIdentAndFreq(pos, ident, 0.0, &filter);
+
+ BOOST_FOREACH(nav_rec_ptr a, navs) {
+ naVec_append(r, ghostForNavaid(c, a.ptr()));
+ }
+
+ return r;
}
+static naRef f_findFixesByIdent(naContext c, naRef me, int argc, naRef* args)
+{
+ int argOffset = 0;
+ SGGeod pos = globals->get_aircraft_position();
+ argOffset += geodFromArgs(args, 0, argc, pos);
+
+ if (!naIsString(args[argOffset])) {
+ naRuntimeError(c, "findFixesByIdent expectes ident string as arg %d", argOffset);
+ }
+
+ std::string ident(naStr_data(args[argOffset]));
+ naRef r = naNewVector(c);
+
+ FGPositioned::TypeFilter filter(FGPositioned::FIX);
+ FGPositionedList fixes = FGPositioned::findAllWithIdent(ident, &filter);
+ FGPositioned::sortByRange(fixes, pos);
+
+ BOOST_FOREACH(FGPositionedRef f, fixes) {
+ naVec_append(r, ghostForFix(c, (FGFix*) f.ptr()));
+ }
+
+ return r;
+}
-static void ghostDestroy(void* g)
+// Convert a cartesian point to a geodetic lat/lon/altitude.
+static naRef f_magvar(naContext c, naRef me, int argc, naRef* args)
{
- FGPositioned* pos = (FGPositioned*)g;
- SGReferenced::put(pos); // unref
+ SGGeod pos = globals->get_aircraft_position();
+ if (argc == 0) {
+ // fine, use aircraft position
+ } else if (geodFromArgs(args, 0, argc, pos)) {
+ // okay
+ } else {
+ naRuntimeError(c, "magvar() expects no arguments, a positioned hash or lat,lon pair");
+ }
+
+ double jd = globals->get_time_params()->getJD();
+ double magvarDeg = sgGetMagVar(pos, jd) * SG_RADIANS_TO_DEGREES;
+ return naNum(magvarDeg);
}
-naRef ghostForPositioned(naContext c, const FGPositioned* pos)
+static naRef f_courseAndDistance(naContext c, naRef me, int argc, naRef* args)
{
- if (!pos) {
- return naNil();
+ SGGeod from = globals->get_aircraft_position(), to, p;
+ int argOffset = geodFromArgs(args, 0, argc, p);
+ if (geodFromArgs(args, argOffset, argc, to)) {
+ from = p; // we parsed both FROM and TO args, so first was from
+ } else {
+ to = p; // only parsed one arg, so FROM is current
+ }
+
+ if (argOffset == 0) {
+ naRuntimeError(c, "invalid arguments to courseAndDistance");
}
- SGReferenced::get(pos); // take a ref
- return naNewGhost(c, &PositionedGhostType, (void*) pos);
+ double course, course2, d;
+ SGGeodesy::inverse(from, to, course, course2, d);
+
+ naRef result = naNewVector(c);
+ naVec_append(result, naNum(course));
+ naVec_append(result, naNum(d * SG_METER_TO_NM));
+ return result;
}
-naRef hashForAirport(naContext c, const FGAirport* apt)
+static naRef f_greatCircleMove(naContext c, naRef me, int argc, naRef* args)
{
- std::string id = apt->ident();
- std::string name = apt->name();
-
- // build runways hash
- naRef rwys = naNewHash(c);
- for(unsigned int r=0; r<apt->numRunways(); ++r) {
- FGRunway* rwy(apt->getRunwayByIndex(r));
-
- naRef rwyid = naStr_fromdata(naNewString(c),
- const_cast<char *>(rwy->ident().c_str()),
- rwy->ident().length());
- naRef rwydata = hashForRunway(c, rwy);
- naHash_set(rwys, rwyid, rwydata);
- }
-
- naRef aptdata = naNewHash(c);
-#define HASHSET(s,l,n) naHash_set(aptdata, naStr_fromdata(naNewString(c),s,l),n)
- HASHSET("id", 2, naStr_fromdata(naNewString(c),
- const_cast<char *>(id.c_str()), id.length()));
- HASHSET("name", 4, naStr_fromdata(naNewString(c),
- const_cast<char *>(name.c_str()), name.length()));
- HASHSET("lat", 3, naNum(apt->getLatitude()));
- HASHSET("lon", 3, naNum(apt->getLongitude()));
- HASHSET("elevation", 9, naNum(apt->getElevation() * SG_FEET_TO_METER));
- HASHSET("has_metar", 9, naNum(apt->getMetar()));
- HASHSET("runways", 7, rwys);
-
- HASHSET("_positioned", 11, ghostForPositioned(c, apt));
-#undef HASHSET
-
- return aptdata;
+ SGGeod from = globals->get_aircraft_position(), to;
+ int argOffset = 0;
+
+ // complication - don't inerpret two doubles (as the only args)
+ // as a lat,lon pair - only do so if we have at least three args.
+ if (argc > 2) {
+ argOffset = geodFromArgs(args, 0, argc, from);
+ }
+
+ if ((argOffset + 1) >= argc) {
+ naRuntimeError(c, "isufficent arguments to greatCircleMove");
+ }
+
+ if (!naIsNum(args[argOffset]) || !naIsNum(args[argOffset+1])) {
+ naRuntimeError(c, "invalid arguments %d and %d to greatCircleMove",
+ argOffset, argOffset + 1);
+ }
+
+ double course = args[argOffset].num, course2;
+ double distanceNm = args[argOffset + 1].num;
+ SGGeodesy::direct(from, course, distanceNm * SG_NM_TO_METER, to, course2);
+
+ // return geo.Coord
+ naRef coord = naNewHash(c);
+ hashset(c, coord, "lat", naNum(to.getLatitudeDeg()));
+ hashset(c, coord, "lon", naNum(to.getLongitudeDeg()));
+ return coord;
+}
+
+static naRef f_tilePath(naContext c, naRef me, int argc, naRef* args)
+{
+ SGGeod pos = globals->get_aircraft_position();
+ geodFromArgs(args, 0, argc, pos);
+ SGBucket b(pos);
+ return stringToNasal(c, b.gen_base_path());
}
-naRef hashForRunway(naContext c, FGRunway* rwy)
+static naRef f_tileIndex(naContext c, naRef me, int argc, naRef* args)
{
- naRef rwyid = naStr_fromdata(naNewString(c),
- const_cast<char *>(rwy->ident().c_str()),
- rwy->ident().length());
+ SGGeod pos = globals->get_aircraft_position();
+ geodFromArgs(args, 0, argc, pos);
+ SGBucket b(pos);
+ return naNum(b.gen_index());
+}
- naRef rwydata = naNewHash(c);
-#define HASHSET(s,l,n) naHash_set(rwydata, naStr_fromdata(naNewString(c),s,l),n)
- HASHSET("id", 2, rwyid);
- HASHSET("lat", 3, naNum(rwy->latitude()));
- HASHSET("lon", 3, naNum(rwy->longitude()));
- HASHSET("heading", 7, naNum(rwy->headingDeg()));
- HASHSET("length", 6, naNum(rwy->lengthM()));
- HASHSET("width", 5, naNum(rwy->widthM()));
- HASHSET("threshold", 9, naNum(rwy->displacedThresholdM()));
- HASHSET("stopway", 7, naNum(rwy->stopwayM()));
-
- if (rwy->ILS()) {
- HASHSET("ils_frequency_mhz", 17, naNum(rwy->ILS()->get_freq() / 100.0));
- HASHSET("ils", 3, hashForNavRecord(c, rwy->ILS(), SGGeod()));
+static naRef f_route(naContext c, naRef me, int argc, naRef* args)
+{
+ if (argc == 0) {
+ FGRouteMgr* rm = static_cast<FGRouteMgr*>(globals->get_subsystem("route-manager"));
+ return ghostForFlightPlan(c, rm->flightPlan());
+ }
+
+ if ((argc > 0) && naIsString(args[0])) {
+ flightgear::FlightPlan* fp = new flightgear::FlightPlan;
+ SGPath path(naStr_data(args[0]));
+ if (!path.exists()) {
+ naRuntimeError(c, "flightplan, no file at path %s", path.c_str());
}
-
- naRef sidVec = naNewVector(c);
-
- BOOST_FOREACH(flightgear::SID* sid, rwy->getSIDs()) {
- naRef procId = naStr_fromdata(naNewString(c),
- const_cast<char *>(sid->ident().c_str()),
- sid->ident().length());
- naVec_append(sidVec, procId);
+
+ if (!fp->load(path)) {
+ SG_LOG(SG_NASAL, SG_WARN, "failed to load flight-plan from " << path);
+ delete fp;
+ return naNil();
}
- HASHSET("sids", 4, sidVec);
-
- naRef starVec = naNewVector(c);
- BOOST_FOREACH(flightgear::STAR* star, rwy->getSTARs()) {
- naRef procId = naStr_fromdata(naNewString(c),
- const_cast<char *>(star->ident().c_str()),
- star->ident().length());
- naVec_append(starVec, procId);
+
+ return ghostForFlightPlan(c, fp);
+ }
+
+ naRuntimeError(c, "bad arguments to flightplan()");
+ return naNil();
+}
+
+class NasalFPDelegate : public FlightPlan::Delegate
+{
+public:
+ NasalFPDelegate(FlightPlan* fp, FGNasalSys* sys, naRef ins) :
+ _nasal(sys),
+ _plan(fp),
+ _instance(ins)
+ {
+ _gcSaveKey = _nasal->gcSave(ins);
+ }
+
+ virtual ~NasalFPDelegate()
+ {
+ _nasal->gcRelease(_gcSaveKey);
+ }
+
+ virtual void departureChanged()
+ {
+ callDelegateMethod("departureChanged");
+ }
+
+ virtual void arrivalChanged()
+ {
+ callDelegateMethod("arrivalChanged");
+ }
+
+ virtual void waypointsChanged()
+ {
+ callDelegateMethod("waypointsChanged");
+ }
+
+ virtual void currentWaypointChanged()
+ {
+ callDelegateMethod("currentWaypointChanged");
+ }
+
+ virtual void cleared()
+ {
+ callDelegateMethod("cleared");
+ }
+
+ virtual void endOfFlightPlan()
+ {
+ callDelegateMethod("endOfFlightPlan");
+ }
+private:
+
+ void callDelegateMethod(const char* method)
+ {
+ naRef f;
+ if (naMember_cget(_nasal->context(), _instance, method, &f) == 0) {
+ return; // no method on the delegate
}
- HASHSET("stars", 5, starVec);
- HASHSET("_positioned", 11, ghostForPositioned(c, rwy));
-#undef HASHSET
- return rwydata;
-}
-
-naRef hashForNavRecord(naContext c, const FGNavRecord* nav, const SGGeod& rel)
-{
- naRef navdata = naNewHash(c);
-#define HASHSET(s,l,n) naHash_set(navdata, naStr_fromdata(naNewString(c),s,l),n)
- HASHSET("id", 2, naStr_fromdata(naNewString(c),
- const_cast<char *>(nav->ident().c_str()), nav->ident().length()));
- HASHSET("name", 4, naStr_fromdata(naNewString(c),
- const_cast<char *>(nav->name().c_str()), nav->name().length()));
- HASHSET("frequency", 9, naNum(nav->get_freq()));
- HASHSET("lat", 3, naNum(nav->get_lat()));
- HASHSET("lon", 3, naNum(nav->get_lon()));
- HASHSET("elevation", 9, naNum(nav->get_elev_ft() * SG_FEET_TO_METER));
- HASHSET("type", 4, naStr_fromdata(naNewString(c),
- const_cast<char *>(nav->nameForType(nav->type())), strlen(nav->nameForType(nav->type()))));
- HASHSET("distance", 8, naNum(SGGeodesy::distanceNm( rel, nav->geod() ) * SG_NM_TO_METER ) );
- HASHSET("bearing", 7, naNum(SGGeodesy::courseDeg( rel, nav->geod() ) ) );
-
- // record the real object as a ghost for further operations
- HASHSET("_positioned",11, ghostForPositioned(c, nav));
-#undef HASHSET
+ naRef arg[1];
+ arg[0] = ghostForFlightPlan(_nasal->context(), _plan);
+ _nasal->callMethod(f, _instance, 1, arg, naNil());
+ }
+
+ FGNasalSys* _nasal;
+ FlightPlan* _plan;
+ naRef _instance;
+ int _gcSaveKey;
+};
+
+class NasalFPDelegateFactory : public FlightPlan::DelegateFactory
+{
+public:
+ NasalFPDelegateFactory(naRef code)
+ {
+ _nasal = (FGNasalSys*) globals->get_subsystem("nasal");
+ _func = code;
+ _gcSaveKey = _nasal->gcSave(_func);
+ }
+
+ ~NasalFPDelegateFactory()
+ {
+ _nasal->gcRelease(_gcSaveKey);
+ }
+
+ virtual FlightPlan::Delegate* createFlightPlanDelegate(FlightPlan* fp)
+ {
+ naRef args[1];
+ args[0] = ghostForFlightPlan(_nasal->context(), fp);
+ naRef instance = _nasal->call(_func, 1, args, naNil());
+ if (naIsNil(instance)) {
+ return NULL;
+ }
- return navdata;
+ return new NasalFPDelegate(fp, _nasal, instance);
+ }
+private:
+ FGNasalSys* _nasal;
+ naRef _func;
+ int _gcSaveKey;
+};
+
+static naRef f_registerFPDelegate(naContext c, naRef me, int argc, naRef* args)
+{
+ if ((argc < 1) || !naIsFunc(args[0])) {
+ naRuntimeError(c, "non-function argument to registerFlightPlanDelegate");
+ }
+
+ NasalFPDelegateFactory* factory = new NasalFPDelegateFactory(args[0]);
+ FlightPlan::registerDelegateFactory(factory);
+
+ return naNil();
}
-bool geodFromHash(naRef ref, SGGeod& result)
+static WayptRef wayptFromArg(naRef arg)
{
- if (!naIsHash(ref)) {
- return false;
+ WayptRef r = wayptGhost(arg);
+ if (r.valid()) {
+ return r;
}
-// first, see if the hash contains a FGPositioned ghost - in which case
-// we can read off its position directly
- naRef posGhost = naHash_cget(ref, (char*) "_positioned");
- if (!naIsNil(posGhost)) {
- FGPositioned* pos = positionedGhost(posGhost);
- result = pos->geod();
- return true;
+ FGPositioned* pos = positionedGhost(arg);
+ if (!pos) {
+ // let's check if the arg is hash, coudl extra a geod and hence build
+ // a simple waypoint
+
+ return WayptRef();
}
-// then check for manual latitude / longitude names
- naRef lat = naHash_cget(ref, (char*) "lat");
- naRef lon = naHash_cget(ref, (char*) "lon");
- if (naIsNum(lat) && naIsNum(lon)) {
- result = SGGeod::fromDeg(naNumValue(lat).num, naNumValue(lon).num);
- return true;
+// special-case for runways
+ if (pos->type() == FGPositioned::RUNWAY) {
+ return new RunwayWaypt((FGRunway*) pos, NULL);
}
-// check for geo.Coord type
-
-// check for any synonyms?
- // latitude + longitude?
+ return new NavaidWaypoint(pos, NULL);
+}
+
+static naRef convertWayptVecToNasal(naContext c, const WayptVec& wps)
+{
+ naRef result = naNewVector(c);
+ BOOST_FOREACH(WayptRef wpt, wps) {
+ naVec_append(result, ghostForWaypt(c, wpt.get()));
+ }
+ return result;
+}
+
+static naRef f_airwaySearch(naContext c, naRef me, int argc, naRef* args)
+{
+ if (argc < 2) {
+ naRuntimeError(c, "airwaysSearch needs at least two arguments");
+ }
- return false;
+ WayptRef start = wayptFromArg(args[0]),
+ end = wayptFromArg(args[1]);
+
+ if (!start || !end) {
+ SG_LOG(SG_NASAL, SG_WARN, "airwaysSearch: start or end points are invalid");
+ return naNil();
+ }
+
+ bool highLevel = true;
+ if ((argc > 2) && naIsString(args[2])) {
+ if (!strcmp(naStr_data(args[2]), "lowlevel")) {
+ highLevel = false;
+ }
+ }
+
+ WayptVec route;
+ if (highLevel) {
+ Airway::highLevel()->route(start, end, route);
+ } else {
+ Airway::lowLevel()->route(start, end, route);
+ }
+
+ return convertWayptVecToNasal(c, route);
}
-// Convert a cartesian point to a geodetic lat/lon/altitude.
-static naRef f_carttogeod(naContext c, naRef me, int argc, naRef* args)
+static naRef f_createWP(naContext c, naRef me, int argc, naRef* args)
{
- double lat, lon, alt, xyz[3];
- if(argc != 3) naRuntimeError(c, "carttogeod() expects 3 arguments");
- for(int i=0; i<3; i++)
- xyz[i] = naNumValue(args[i]).num;
- sgCartToGeod(xyz, &lat, &lon, &alt);
- lat *= SG_RADIANS_TO_DEGREES;
- lon *= SG_RADIANS_TO_DEGREES;
- naRef vec = naNewVector(c);
- naVec_append(vec, naNum(lat));
- naVec_append(vec, naNum(lon));
- naVec_append(vec, naNum(alt));
- return vec;
+ SGGeod pos;
+ int argOffset = geodFromArgs(args, 0, argc, pos);
+
+ if (((argc - argOffset) < 1) || !naIsString(args[argOffset])) {
+ naRuntimeError(c, "createWP: no identifier supplied");
+ }
+
+ std::string ident = naStr_data(args[argOffset++]);
+ WayptRef wpt = new BasicWaypt(pos, ident, NULL);
+
+// set waypt flags - approach, departure, pseudo, etc
+ if (argc > argOffset) {
+ WayptFlag f = wayptFlagFromString(naStr_data(args[argOffset++]));
+ if (f == 0) {
+ naRuntimeError(c, "createWP: bad waypoint role");
+ }
+
+ wpt->setFlag(f);
+ }
+
+ return ghostForWaypt(c, wpt);
}
-// Convert a geodetic lat/lon/altitude to a cartesian point.
-static naRef f_geodtocart(naContext c, naRef me, int argc, naRef* args)
+static naRef f_createWPFrom(naContext c, naRef me, int argc, naRef* args)
{
- if(argc != 3) naRuntimeError(c, "geodtocart() expects 3 arguments");
- double lat = naNumValue(args[0]).num * SG_DEGREES_TO_RADIANS;
- double lon = naNumValue(args[1]).num * SG_DEGREES_TO_RADIANS;
- double alt = naNumValue(args[2]).num;
- double xyz[3];
- sgGeodToCart(lat, lon, alt, xyz);
- naRef vec = naNewVector(c);
- naVec_append(vec, naNum(xyz[0]));
- naVec_append(vec, naNum(xyz[1]));
- naVec_append(vec, naNum(xyz[2]));
- return vec;
+ if (argc < 1) {
+ naRuntimeError(c, "createWPFrom: need at least one argument");
+ }
+
+ FGPositioned* positioned = positionedGhost(args[0]);
+ if (!positioned) {
+ naRuntimeError(c, "createWPFrom: couldn;t convert arg[0] to FGPositioned");
+ }
+
+ WayptRef wpt;
+ if (positioned->type() == FGPositioned::RUNWAY) {
+ wpt = new RunwayWaypt((FGRunway*) positioned, NULL);
+ } else {
+ wpt = new NavaidWaypoint(positioned, NULL);
+ }
+
+ // set waypt flags - approach, departure, pseudo, etc
+ if (argc > 1) {
+ WayptFlag f = wayptFlagFromString(naStr_data(args[1]));
+ if (f == 0) {
+ naRuntimeError(c, "createWPFrom: bad waypoint role");
+ }
+ wpt->setFlag(f);
+ }
+
+ return ghostForWaypt(c, wpt);
}
-// For given geodetic point return array with elevation, and a material data
-// hash, or nil if there's no information available (tile not loaded). If
-// information about the material isn't available, then nil is returned instead
-// of the hash.
-static naRef f_geodinfo(naContext c, naRef me, int argc, naRef* args)
+static naRef f_flightplan_getWP(naContext c, naRef me, int argc, naRef* args)
{
-#define HASHSET(s,l,n) naHash_set(matdata, naStr_fromdata(naNewString(c),s,l),n)
- if(argc < 2 || argc > 3)
- naRuntimeError(c, "geodinfo() expects 2 or 3 arguments: lat, lon [, maxalt]");
- double lat = naNumValue(args[0]).num;
- double lon = naNumValue(args[1]).num;
- double elev = argc == 3 ? naNumValue(args[2]).num : 10000;
- const SGMaterial *mat;
- SGGeod geod = SGGeod::fromDegM(lon, lat, elev);
- if(!globals->get_scenery()->get_elevation_m(geod, elev, &mat))
+ FlightPlan* fp = flightplanGhost(me);
+ if (!fp) {
+ naRuntimeError(c, "flightplan.getWP called on non-flightplan object");
+ }
+
+ int index;
+ if (argc == 0) {
+ index = fp->currentIndex();
+ } else {
+ index = (int) naNumValue(args[0]).num;
+ }
+
+ if ((index < 0) || (index >= fp->numLegs())) {
return naNil();
- naRef vec = naNewVector(c);
- naVec_append(vec, naNum(elev));
- naRef matdata = naNil();
- if(mat) {
- matdata = naNewHash(c);
- naRef names = naNewVector(c);
- const std::vector<std::string> n = mat->get_names();
- for(unsigned int i=0; i<n.size(); i++)
- naVec_append(names, naStr_fromdata(naNewString(c),
- const_cast<char*>(n[i].c_str()), n[i].size()));
- HASHSET("names", 5, names);
- HASHSET("solid", 5, naNum(mat->get_solid()));
- HASHSET("friction_factor", 15, naNum(mat->get_friction_factor()));
- HASHSET("rolling_friction", 16, naNum(mat->get_rolling_friction()));
- HASHSET("load_resistance", 15, naNum(mat->get_load_resistance()));
- HASHSET("bumpiness", 9, naNum(mat->get_bumpiness()));
- HASHSET("light_coverage", 14, naNum(mat->get_light_coverage()));
}
- naVec_append(vec, matdata);
- return vec;
-#undef HASHSET
+
+ return ghostForLeg(c, fp->legAtIndex(index));
+}
+
+static naRef f_flightplan_currentWP(naContext c, naRef me, int argc, naRef* args)
+{
+ FlightPlan* fp = flightplanGhost(me);
+ if (!fp) {
+ naRuntimeError(c, "flightplan.currentWP called on non-flightplan object");
+ }
+ return ghostForLeg(c, fp->currentLeg());
+}
+
+static naRef f_flightplan_nextWP(naContext c, naRef me, int argc, naRef* args)
+{
+ FlightPlan* fp = flightplanGhost(me);
+ if (!fp) {
+ naRuntimeError(c, "flightplan.nextWP called on non-flightplan object");
+ }
+ return ghostForLeg(c, fp->nextLeg());
}
+static naRef f_flightplan_numWaypoints(naContext c, naRef me, int argc, naRef* args)
+{
+ FlightPlan* fp = flightplanGhost(me);
+ if (!fp) {
+ naRuntimeError(c, "flightplan.numWaypoints called on non-flightplan object");
+ }
+ return naNum(fp->numLegs());
+}
-class AirportInfoFilter : public FGAirport::AirportFilter
+static naRef f_flightplan_appendWP(naContext c, naRef me, int argc, naRef* args)
{
-public:
- AirportInfoFilter() : type(FGPositioned::AIRPORT) {
+ FlightPlan* fp = flightplanGhost(me);
+ if (!fp) {
+ naRuntimeError(c, "flightplan.appendWP called on non-flightplan object");
}
- virtual FGPositioned::Type minType() const {
- return type;
+ WayptRef wp = wayptGhost(args[0]);
+ int index = fp->numLegs();
+ fp->insertWayptAtIndex(wp.get(), index);
+ return naNum(index);
+}
+
+static naRef f_flightplan_insertWP(naContext c, naRef me, int argc, naRef* args)
+{
+ FlightPlan* fp = flightplanGhost(me);
+ if (!fp) {
+ naRuntimeError(c, "flightplan.insertWP called on non-flightplan object");
}
- virtual FGPositioned::Type maxType() const {
- return type;
+ WayptRef wp = wayptGhost(args[0]);
+ int index = -1; // append
+ if ((argc > 1) && naIsNum(args[1])) {
+ index = (int) args[1].num;
}
- FGPositioned::Type type;
-};
+ fp->insertWayptAtIndex(wp.get(), index);
+ return naNil();
+}
-// Returns data hash for particular or nearest airport of a <type>, or nil
-// on error.
-//
-// airportinfo(<id>); e.g. "KSFO"
-// airportinfo(<type>); type := ("airport"|"seaport"|"heliport")
-// airportinfo() same as airportinfo("airport")
-// airportinfo(<lat>, <lon> [, <type>]);
-static naRef f_airportinfo(naContext c, naRef me, int argc, naRef* args)
+static naRef f_flightplan_insertWPAfter(naContext c, naRef me, int argc, naRef* args)
{
- SGGeod pos;
- FGAirport* apt = NULL;
-
- if(argc >= 2 && naIsNum(args[0]) && naIsNum(args[1])) {
- pos = SGGeod::fromDeg(args[1].num, args[0].num);
- args += 2;
- argc -= 2;
- } else {
- pos = globals->get_aircraft_position();
+ FlightPlan* fp = flightplanGhost(me);
+ if (!fp) {
+ naRuntimeError(c, "flightplan.insertWPAfter called on non-flightplan object");
}
- double maxRange = 10000.0; // expose this? or pick a smaller value?
+ WayptRef wp = wayptGhost(args[0]);
+ int index = -1; // append
+ if ((argc > 1) && naIsNum(args[1])) {
+ index = (int) args[1].num;
+ }
- AirportInfoFilter filter; // defaults to airports only
+ fp->insertWayptAtIndex(wp.get(), index + 1);
+ return naNil();
+}
+
+static naRef f_flightplan_insertWaypoints(naContext c, naRef me, int argc, naRef* args)
+{
+ FlightPlan* fp = flightplanGhost(me);
+ if (!fp) {
+ naRuntimeError(c, "flightplan.insertWaypoints called on non-flightplan object");
+ }
- if(argc == 0) {
- // fall through and use AIRPORT
- } else if(argc == 1 && naIsString(args[0])) {
- const char *s = naStr_data(args[0]);
- if(!strcmp(s, "airport")) filter.type = FGPositioned::AIRPORT;
- else if(!strcmp(s, "seaport")) filter.type = FGPositioned::SEAPORT;
- else if(!strcmp(s, "heliport")) filter.type = FGPositioned::HELIPORT;
- else {
- // user provided an <id>, hopefully
- apt = FGAirport::findByIdent(s);
- if (!apt) {
- // return nil here, but don't raise a runtime error; this is a
- // legitamate way to validate an ICAO code, for example in a
- // dialog box or similar.
- return naNil();
- }
+ WayptVec wps;
+ if (!naIsVector(args[0])) {
+ naRuntimeError(c, "flightplan.insertWaypoints expects vector as first arg");
+ }
+
+ int count = naVec_size(args[0]);
+ for (int i=0; i<count; ++i) {
+ Waypt* wp = wayptGhost(naVec_get(args[0], i));
+ if (wp) {
+ wps.push_back(wp);
}
- } else {
- naRuntimeError(c, "airportinfo() with invalid function arguments");
- return naNil();
}
- if(!apt) {
- apt = FGAirport::findClosest(pos, maxRange, &filter);
- if(!apt) return naNil();
+ int index = -1; // append
+ if ((argc > 1) && naIsNum(args[1])) {
+ index = (int) args[1].num;
+ }
+
+ fp->insertWayptsAtIndex(wps, index);
+ return naNil();
+}
+
+static naRef f_flightplan_deleteWP(naContext c, naRef me, int argc, naRef* args)
+{
+ FlightPlan* fp = flightplanGhost(me);
+ if (!fp) {
+ naRuntimeError(c, "flightplan.deleteWP called on non-flightplan object");
+ }
+
+ if ((argc < 1) || !naIsNum(args[0])) {
+ naRuntimeError(c, "bad argument to flightplan.deleteWP");
}
- return hashForAirport(c, apt);
+ int index = (int) args[0].num;
+ fp->deleteIndex(index);
+ return naNil();
}
-static FGAirport* airportFromRef(naRef ref)
+static naRef f_flightplan_clearPlan(naContext c, naRef me, int argc, naRef* args)
{
- if (naIsString(ref)) {
- return FGAirport::findByIdent(naStr_data(ref));
- }
-
- FGPositioned* pos = positionedGhost(ref);
- if (pos && FGAirport::isAirportType(pos)) {
- return (FGAirport*) pos;
- }
+ FlightPlan* fp = flightplanGhost(me);
+ if (!fp) {
+ naRuntimeError(c, "flightplan.clearPlan called on non-flightplan object");
+ }
+
+ fp->clear();
+ return naNil();
+}
+
+static naRef f_flightplan_clearWPType(naContext c, naRef me, int argc, naRef* args)
+{
+ FlightPlan* fp = flightplanGhost(me);
+ if (!fp) {
+ naRuntimeError(c, "flightplan.clearWPType called on non-flightplan object");
+ }
+
+ if (argc < 1) {
+ naRuntimeError(c, "insufficent args to flightplan.clearWPType");
+ }
+
+ WayptFlag flag = wayptFlagFromString(naStr_data(args[0]));
+ if (flag == 0) {
+ naRuntimeError(c, "clearWPType: bad waypoint role");
+ }
+
+ fp->clearWayptsWithFlag(flag);
+ return naNil();
+}
+
+static naRef f_flightplan_clone(naContext c, naRef me, int argc, naRef* args)
+{
+ FlightPlan* fp = flightplanGhost(me);
+ if (!fp) {
+ naRuntimeError(c, "flightplan.clone called on non-flightplan object");
+ }
+
+ return ghostForFlightPlan(c, fp->clone());
+}
+
+static naRef f_flightplan_pathGeod(naContext c, naRef me, int argc, naRef* args)
+{
+ FlightPlan* fp = flightplanGhost(me);
+ if (!fp) {
+ naRuntimeError(c, "flightplan.clone called on non-flightplan object");
+ }
+
+ if ((argc < 1) || !naIsNum(args[0])) {
+ naRuntimeError(c, "bad argument to flightplan.pathGeod");
+ }
- return NULL;
+ if ((argc > 1) && !naIsNum(args[1])) {
+ naRuntimeError(c, "bad argument to flightplan.pathGeod");
+ }
+
+ int index = (int) args[0].num;
+ double offset = (argc > 1) ? args[1].num : 0.0;
+ naRef result = naNewHash(c);
+ SGGeod g = fp->pointAlongRoute(index, offset);
+ hashset(c, result, "lat", naNum(g.getLatitudeDeg()));
+ hashset(c, result, "lon", naNum(g.getLongitudeDeg()));
+ return result;
}
-static naRef f_airporttower(naContext c, naRef me, int argc, naRef* args)
+static naRef f_flightplan_finish(naContext c, naRef me, int argc, naRef* args)
{
- if (argc != 1) {
- naRuntimeError(c, "airporttower needs an airport object or ID argument");
+ FlightPlan* fp = flightplanGhost(me);
+ if (!fp) {
+ naRuntimeError(c, "flightplan.finish called on non-flightplan object");
}
- FGAirport* apt = airportFromRef(args[0]);
- // build a hash for the tower position
- // include the frequencies ?
-
- SGGeod towerLoc = apt->getTowerLocation();
- naRef tower = naNewHash(c);
-#define HASHSET(s,l,n) naHash_set(tower, naStr_fromdata(naNewString(c),s,l),n)
- HASHSET("lat", 3, naNum(towerLoc.getLatitudeDeg()));
- HASHSET("lon", 3, naNum(towerLoc.getLongitudeDeg()));
- HASHSET("elevation", 9, naNum(towerLoc.getElevationM()));
-#undef HASHSET
- return tower;
+ fp->finish();
+ return naNil();
}
-static naRef f_airportcomms(naContext c, naRef me, int argc, naRef* args)
+static naRef f_leg_setSpeed(naContext c, naRef me, int argc, naRef* args)
{
- if (argc == 0) {
- naRuntimeError(c, "airportcomms needs an airport object or ID argument");
- }
+ FlightPlan::Leg* leg = fpLegGhost(me);
+ if (!leg) {
+ naRuntimeError(c, "leg.setSpeed called on non-flightplan-leg object");
+ }
+
+ double speed = 0.0;
+ if ((argc < 2) || !convertToNum(args[0], speed))
+ naRuntimeError(c, "bad arguments to setSpeed");
- FGAirport* apt = airportFromRef(args[0]);
- naRef comms = naNewHash(c);
-#define HASHSET(s,l,n) naHash_set(comms, naStr_fromdata(naNewString(c),s,l),n)
+ RouteRestriction rr = routeRestrictionFromString(naStr_data(args[1]));
+ leg->setSpeed(rr, speed);
+
+ return naNil();
+}
+
+static naRef f_leg_setAltitude(naContext c, naRef me, int argc, naRef* args)
+{
+ FlightPlan::Leg* leg = fpLegGhost(me);
+ if (!leg) {
+ naRuntimeError(c, "leg.setAltitude called on non-flightplan-leg object");
+ }
+
+ double alt = 0.0;
+ if ((argc < 2) || !convertToNum(args[0], alt))
+ naRuntimeError(c, "bad arguments to leg.setAltitude");
-#undef HASHSET
- return comms;
+ RouteRestriction rr = routeRestrictionFromString(naStr_data(args[1]));
+ leg->setAltitude(rr, alt);
+ return naNil();
}
-// Returns vector of data hash for navaid of a <type>, nil on error
-// navaids sorted by ascending distance
-// navinfo([<lat>,<lon>],[<type>],[<id>])
-// lat/lon (numeric): use latitude/longitude instead of ac position
-// type: ("fix"|"vor"|"ndb"|"ils"|"dme"|"tacan"|"any")
-// id: (partial) id of the fix
-// examples:
-// navinfo("vor") returns all vors
-// navinfo("HAM") return all navaids who's name start with "HAM"
-// navinfo("vor", "HAM") return all vor who's name start with "HAM"
-//navinfo(34,48,"vor","HAM") return all vor who's name start with "HAM"
-// sorted by distance relative to lat=34, lon=48
-static naRef f_navinfo(naContext c, naRef me, int argc, naRef* args)
+static naRef f_leg_path(naContext c, naRef me, int argc, naRef* args)
{
- SGGeod pos;
-
- if(argc >= 2 && naIsNum(args[0]) && naIsNum(args[1])) {
- pos = SGGeod::fromDeg(args[1].num, args[0].num);
- args += 2;
- argc -= 2;
- } else {
- pos = globals->get_aircraft_position();
+ FlightPlan::Leg* leg = fpLegGhost(me);
+ if (!leg) {
+ naRuntimeError(c, "leg.setAltitude called on non-flightplan-leg object");
}
- FGPositioned::Type type = FGPositioned::INVALID;
- nav_list_type navlist;
- const char * id = "";
-
- if(argc > 0 && naIsString(args[0])) {
- const char *s = naStr_data(args[0]);
- if(!strcmp(s, "any")) type = FGPositioned::INVALID;
- else if(!strcmp(s, "fix")) type = FGPositioned::FIX;
- else if(!strcmp(s, "vor")) type = FGPositioned::VOR;
- else if(!strcmp(s, "ndb")) type = FGPositioned::NDB;
- else if(!strcmp(s, "ils")) type = FGPositioned::ILS;
- else if(!strcmp(s, "dme")) type = FGPositioned::DME;
- else if(!strcmp(s, "tacan")) type = FGPositioned::TACAN;
- else id = s; // this is an id
- ++args;
- --argc;
- }
-
- if(argc > 0 && naIsString(args[0])) {
- if( *id != 0 ) {
- naRuntimeError(c, "navinfo() called with navaid id");
- return naNil();
+ RoutePath path(leg->owner());
+ SGGeodVec gv(path.pathForIndex(leg->index()));
+
+ naRef result = naNewVector(c);
+ BOOST_FOREACH(SGGeod p, gv) {
+ // construct a geo.Coord!
+ naRef coord = naNewHash(c);
+ hashset(c, coord, "lat", naNum(p.getLatitudeDeg()));
+ hashset(c, coord, "lon", naNum(p.getLongitudeDeg()));
+ naVec_append(result, coord);
+ }
+
+ return result;
+}
+
+static naRef f_leg_courseAndDistanceFrom(naContext c, naRef me, int argc, naRef* args)
+{
+ FlightPlan::Leg* leg = fpLegGhost(me);
+ if (!leg) {
+ naRuntimeError(c, "leg.courseAndDistanceFrom called on non-flightplan-leg object");
}
- id = naStr_data(args[0]);
- ++args;
- --argc;
+
+ SGGeod pos;
+ geodFromArgs(args, 0, argc, pos);
+
+ double courseDeg;
+ double distanceM;
+ boost::tie(courseDeg, distanceM) = leg->waypoint()->courseAndDistanceFrom(pos);
+
+ naRef result = naNewVector(c);
+ naVec_append(result, naNum(courseDeg));
+ naVec_append(result, naNum(distanceM * SG_METER_TO_NM));
+ return result;
+}
+
+static naRef f_waypoint_navaid(naContext c, naRef me, int argc, naRef* args)
+{
+ flightgear::Waypt* w = wayptGhost(me);
+ if (!w) {
+ naRuntimeError(c, "waypoint.navaid called on non-waypoint object");
}
- if( argc > 0 ) {
- naRuntimeError(c, "navinfo() called with too many arguments");
+ FGPositioned* pos = w->source();
+ if (!pos) {
return naNil();
}
- navlist = globals->get_navlist()->findByIdentAndFreq( pos, id, 0.0, type );
+ switch (pos->type()) {
+ case FGPositioned::VOR:
+ case FGPositioned::NDB:
+ case FGPositioned::ILS:
+ case FGPositioned::LOC:
+ case FGPositioned::GS:
+ case FGPositioned::DME:
+ case FGPositioned::TACAN: {
+ FGNavRecord* nav = (FGNavRecord*) pos;
+ return ghostForNavaid(c, nav);
+ }
+
+ default:
+ return naNil();
+ }
+}
+
+static naRef f_waypoint_airport(naContext c, naRef me, int argc, naRef* args)
+{
+ flightgear::Waypt* w = wayptGhost(me);
+ if (!w) {
+ naRuntimeError(c, "waypoint.navaid called on non-waypoint object");
+ }
- naRef reply = naNewVector(c);
- for( nav_list_type::const_iterator it = navlist.begin(); it != navlist.end(); ++it ) {
- naVec_append( reply, hashForNavRecord(c, *it, pos) );
+ FGPositioned* pos = w->source();
+ if (!pos || FGAirport::isAirportType(pos)) {
+ return naNil();
}
- return reply;
+
+ return ghostForAirport(c, (FGAirport*) pos);
}
-// Convert a cartesian point to a geodetic lat/lon/altitude.
-static naRef f_magvar(naContext c, naRef me, int argc, naRef* args)
+static naRef f_waypoint_runway(naContext c, naRef me, int argc, naRef* args)
{
- SGGeod pos = globals->get_aircraft_position();
- if (argc == 0) {
- // fine, use aircraft position
- } else if ((argc == 1) && geodFromHash(args[0], pos)) {
- // okay
- } else if ((argc == 2) && naIsNum(args[0]) && naIsNum(args[1])) {
- double lat = naNumValue(args[0]).num,
- lon = naNumValue(args[1]).num;
- pos = SGGeod::fromDeg(lon, lat);
- } else {
- naRuntimeError(c, "magvar() expects no arguments, a positioned hash or lat,lon pair");
+ flightgear::Waypt* w = wayptGhost(me);
+ if (!w) {
+ naRuntimeError(c, "waypoint.navaid called on non-waypoint object");
}
- double jd = globals->get_time_params()->getJD();
- double magvarDeg = sgGetMagVar(pos, jd);
- return naNum(magvarDeg);
+ FGPositioned* pos = w->source();
+ if (!pos || (pos->type() != FGPositioned::RUNWAY)) {
+ return naNil();
+ }
+
+ return ghostForRunway(c, (FGRunway*) pos);
}
-static naRef f_courseAndDistance(naContext c, naRef me, int argc, naRef* args)
+static naRef f_procedure_transition(naContext c, naRef me, int argc, naRef* args)
{
- SGGeod from = globals->get_aircraft_position(), to;
- if ((argc == 1) && geodFromHash(args[0], to)) {
- // done
- } else if ((argc == 2) && naIsNum(args[0]) && naIsNum(args[1])) {
- // two number arguments, from = current pos, to = lat+lon
- double lat = naNumValue(args[0]).num,
- lon = naNumValue(args[1]).num;
- to = SGGeod::fromDeg(lon, lat);
- } else if ((argc == 2) && geodFromHash(args[0], from) && geodFromHash(args[1], to)) {
- // done
- } else if ((argc == 3) && geodFromHash(args[0], from) && naIsNum(args[1]) && naIsNum(args[2])) {
- double lat = naNumValue(args[1]).num,
- lon = naNumValue(args[2]).num;
- to = SGGeod::fromDeg(lon, lat);
- } else if ((argc == 3) && naIsNum(args[0]) && naIsNum(args[1]) && geodFromHash(args[2], to)) {
- double lat = naNumValue(args[0]).num,
- lon = naNumValue(args[1]).num;
- from = SGGeod::fromDeg(lon, lat);
- } else if (argc == 4) {
- if (!naIsNum(args[0]) || !naIsNum(args[1]) || !naIsNum(args[2]) || !naIsNum(args[3])) {
- naRuntimeError(c, "invalid arguments to courseAndDistance - expected four numbers");
- }
-
- from = SGGeod::fromDeg(naNumValue(args[1]).num, naNumValue(args[0]).num);
- to = SGGeod::fromDeg(naNumValue(args[3]).num, naNumValue(args[2]).num);
- } else {
- naRuntimeError(c, "invalid arguments to courseAndDistance");
- }
-
- double course, course2, d;
- SGGeodesy::inverse(from, to, course, course2, d);
-
- naRef result = naNewVector(c);
- naVec_append(result, naNum(course));
- naVec_append(result, naNum(d));
- return result;
+ Procedure* proc = procedureGhost(me);
+ if (!proc) {
+ naRuntimeError(c, "procedure.transition called on non-procedure object");
+ }
+
+ if ((proc->type() != PROCEDURE_SID) && (proc->type() != PROCEDURE_STAR)) {
+ naRuntimeError(c, "procedure.transition called on non-SID or -STAR");
+ }
+
+ ArrivalDeparture* ad = (ArrivalDeparture*) proc;
+ Transition* trans = ad->findTransitionByName(naStr_data(args[0]));
+
+ return ghostForProcedure(c, trans);
}
-static naRef f_tilePath(naContext c, naRef me, int argc, naRef* args)
+static naRef f_procedure_route(naContext c, naRef me, int argc, naRef* args)
{
- SGGeod pos = globals->get_aircraft_position();
- if (argc == 0) {
- // fine, use aircraft position
- } else if ((argc == 1) && geodFromHash(args[0], pos)) {
- // okay
- } else if ((argc == 2) && naIsNum(args[0]) && naIsNum(args[1])) {
- double lat = naNumValue(args[0]).num,
- lon = naNumValue(args[1]).num;
- pos = SGGeod::fromDeg(lon, lat);
- } else {
- naRuntimeError(c, "bucketPath() expects no arguments, a positioned hash or lat,lon pair");
+ Procedure* proc = procedureGhost(me);
+ if (!proc) {
+ naRuntimeError(c, "procedure.route called on non-procedure object");
+ }
+
+// wrapping up tow different routines here - approach routing from the IAF
+// to the associated runway, and SID/STAR routing via an enroute transition
+// and possibly a runway transition or not.
+ if (Approach::isApproach(proc->type())) {
+ WayptRef iaf;
+ if (argc > 0) {
+ iaf = wayptFromArg(args[0]);
}
- SGBucket b(pos);
- const char* path = b.gen_base_path().c_str();
- naRef s = naNewString(c);
- naStr_fromdata(s, (char*)path, strlen(path));
- return s;
+ WayptVec r;
+ Approach* app = (Approach*) proc;
+ if (!app->route(iaf, r)) {
+ SG_LOG(SG_NASAL, SG_WARN, "procedure.route failed for Approach somehow");
+ return naNil();
+ }
+
+ return convertWayptVecToNasal(c, r);
+ } else if ((proc->type() != PROCEDURE_SID) && (proc->type() != PROCEDURE_STAR)) {
+ naRuntimeError(c, "procedure.route called on unsuitable procedure type");
+ }
+
+ int argOffset = 0;
+ FGRunway* rwy = runwayGhost(args[0]);
+ if (rwy) ++argOffset;
+
+ ArrivalDeparture* ad = (ArrivalDeparture*) proc;
+ Transition* trans = NULL;
+ if (argOffset < argc) {
+ trans = (Transition*) procedureGhost(args[argOffset]);
+ }
+
+ // note either runway or trans may be NULL - that's ok
+ WayptVec r;
+ if (!ad->route(rwy, trans, r)) {
+ SG_LOG(SG_NASAL, SG_WARN, "prcoedure.route failed for ArrvialDeparture somehow");
+ return naNil();
+ }
+
+ return convertWayptVecToNasal(c, r);
}
+
// Table of extension functions. Terminate with zeros.
static struct { const char* name; naCFunction func; } funcs[] = {
{ "carttogeod", f_carttogeod },
{ "geodtocart", f_geodtocart },
{ "geodinfo", f_geodinfo },
{ "airportinfo", f_airportinfo },
- { "airporttower", f_airporttower },
- { "airportcomms", f_airportcomms },
+ { "findAirportsWithinRange", f_findAirportsWithinRange },
+ { "findAirportsByICAO", f_findAirportsByICAO },
{ "navinfo", f_navinfo },
+ { "findNavaidsWithinRange", f_findNavaidsWithinRange },
+ { "findNavaidByFrequency", f_findNavaidByFrequency },
+ { "findNavaidsByFrequency", f_findNavaidsByFrequency },
+ { "findNavaidsByID", f_findNavaidsByIdent },
+ { "findFixesByID", f_findFixesByIdent },
+ { "flightplan", f_route },
+ { "registerFlightPlanDelegate", f_registerFPDelegate },
+ { "createWP", f_createWP },
+ { "createWPFrom", f_createWPFrom },
+ { "airwaysRoute", f_airwaySearch },
{ "magvar", f_magvar },
{ "courseAndDistance", f_courseAndDistance },
- { "bucketPath", f_tilePath },
+ { "greatCircleMove", f_greatCircleMove },
+ { "tileIndex", f_tileIndex },
+ { "tilePath", f_tilePath },
{ 0, 0 }
};
-static void hashset(naContext c, naRef hash, const char* key, naRef val)
+
+naRef initNasalPositioned(naRef globals, naContext c)
{
- naRef s = naNewString(c);
- naStr_fromdata(s, (char*)key, strlen(key));
- naHash_set(hash, s, val);
+ airportPrototype = naNewHash(c);
+ naSave(c, airportPrototype);
+
+ hashset(c, airportPrototype, "runway", naNewFunc(c, naNewCCode(c, f_airport_runway)));
+ hashset(c, airportPrototype, "runwaysWithoutReciprocals", naNewFunc(c, naNewCCode(c, f_airport_runwaysWithoutReciprocals)));
+ hashset(c, airportPrototype, "helipad", naNewFunc(c, naNewCCode(c, f_airport_runway)));
+ hashset(c, airportPrototype, "tower", naNewFunc(c, naNewCCode(c, f_airport_tower)));
+ hashset(c, airportPrototype, "comms", naNewFunc(c, naNewCCode(c, f_airport_comms)));
+ hashset(c, airportPrototype, "sids", naNewFunc(c, naNewCCode(c, f_airport_sids)));
+ hashset(c, airportPrototype, "stars", naNewFunc(c, naNewCCode(c, f_airport_stars)));
+ hashset(c, airportPrototype, "getApproachList", naNewFunc(c, naNewCCode(c, f_airport_approaches)));
+ hashset(c, airportPrototype, "parking", naNewFunc(c, naNewCCode(c, f_airport_parking)));
+ hashset(c, airportPrototype, "getSid", naNewFunc(c, naNewCCode(c, f_airport_getSid)));
+ hashset(c, airportPrototype, "getStar", naNewFunc(c, naNewCCode(c, f_airport_getStar)));
+ hashset(c, airportPrototype, "getIAP", naNewFunc(c, naNewCCode(c, f_airport_getApproach)));
+ hashset(c, airportPrototype, "findBestRunwayForPos", naNewFunc(c, naNewCCode(c, f_airport_findBestRunway)));
+ hashset(c, airportPrototype, "tostring", naNewFunc(c, naNewCCode(c, f_airport_toString)));
+
+ flightplanPrototype = naNewHash(c);
+ naSave(c, flightplanPrototype);
+
+ hashset(c, flightplanPrototype, "getWP", naNewFunc(c, naNewCCode(c, f_flightplan_getWP)));
+ hashset(c, flightplanPrototype, "currentWP", naNewFunc(c, naNewCCode(c, f_flightplan_currentWP)));
+ hashset(c, flightplanPrototype, "nextWP", naNewFunc(c, naNewCCode(c, f_flightplan_nextWP)));
+ hashset(c, flightplanPrototype, "getPlanSize", naNewFunc(c, naNewCCode(c, f_flightplan_numWaypoints)));
+ hashset(c, flightplanPrototype, "appendWP", naNewFunc(c, naNewCCode(c, f_flightplan_appendWP)));
+ hashset(c, flightplanPrototype, "insertWP", naNewFunc(c, naNewCCode(c, f_flightplan_insertWP)));
+ hashset(c, flightplanPrototype, "deleteWP", naNewFunc(c, naNewCCode(c, f_flightplan_deleteWP)));
+ hashset(c, flightplanPrototype, "insertWPAfter", naNewFunc(c, naNewCCode(c, f_flightplan_insertWPAfter)));
+ hashset(c, flightplanPrototype, "insertWaypoints", naNewFunc(c, naNewCCode(c, f_flightplan_insertWaypoints)));
+ hashset(c, flightplanPrototype, "cleanPlan", naNewFunc(c, naNewCCode(c, f_flightplan_clearPlan)));
+ hashset(c, flightplanPrototype, "clearWPType", naNewFunc(c, naNewCCode(c, f_flightplan_clearWPType)));
+ hashset(c, flightplanPrototype, "clone", naNewFunc(c, naNewCCode(c, f_flightplan_clone)));
+ hashset(c, flightplanPrototype, "pathGeod", naNewFunc(c, naNewCCode(c, f_flightplan_pathGeod)));
+ hashset(c, flightplanPrototype, "finish", naNewFunc(c, naNewCCode(c, f_flightplan_finish)));
+
+ waypointPrototype = naNewHash(c);
+ naSave(c, waypointPrototype);
+
+ hashset(c, waypointPrototype, "navaid", naNewFunc(c, naNewCCode(c, f_waypoint_navaid)));
+ hashset(c, waypointPrototype, "runway", naNewFunc(c, naNewCCode(c, f_waypoint_runway)));
+ hashset(c, waypointPrototype, "airport", naNewFunc(c, naNewCCode(c, f_waypoint_airport)));
+
+ procedurePrototype = naNewHash(c);
+ naSave(c, procedurePrototype);
+ hashset(c, procedurePrototype, "transition", naNewFunc(c, naNewCCode(c, f_procedure_transition)));
+ hashset(c, procedurePrototype, "route", naNewFunc(c, naNewCCode(c, f_procedure_route)));
+
+ fpLegPrototype = naNewHash(c);
+ naSave(c, fpLegPrototype);
+ hashset(c, fpLegPrototype, "setSpeed", naNewFunc(c, naNewCCode(c, f_leg_setSpeed)));
+ hashset(c, fpLegPrototype, "setAltitude", naNewFunc(c, naNewCCode(c, f_leg_setAltitude)));
+ hashset(c, fpLegPrototype, "path", naNewFunc(c, naNewCCode(c, f_leg_path)));
+ hashset(c, fpLegPrototype, "courseAndDistanceFrom", naNewFunc(c, naNewCCode(c, f_leg_courseAndDistanceFrom)));
+
+ for(int i=0; funcs[i].name; i++) {
+ hashset(c, globals, funcs[i].name,
+ naNewFunc(c, naNewCCode(c, funcs[i].func)));
+ }
+
+ return naNil();
}
-naRef initNasalPositioned(naRef globals, naContext c)
+void postinitNasalPositioned(naRef globals, naContext c)
{
- for(int i=0; funcs[i].name; i++) {
- hashset(c, globals, funcs[i].name,
- naNewFunc(c, naNewCCode(c, funcs[i].func)));
+ naRef geoModule = naHash_cget(globals, (char*) "geo");
+ if (naIsNil(geoModule)) {
+ SG_LOG(SG_GENERAL, SG_WARN, "postinitNasalPositioned: geo.nas not loaded");
+ return;
}
- return naNil();
+ geoCoordClass = naHash_cget(geoModule, (char*) "Coord");
}
+