1 // NasalPositioned.cxx -- expose FGPositioned classes to Nasal
3 // Written by James Turner, started 2012.
5 // Copyright (C) 2012 James Turner
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License as
9 // published by the Free Software Foundation; either version 2 of the
10 // License, or (at your option) any later version.
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 // General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
27 #include "NasalPositioned.hxx"
29 #include <boost/foreach.hpp>
30 #include <boost/algorithm/string/case_conv.hpp>
31 #include <boost/tuple/tuple.hpp> // for boost::tie
33 #include <simgear/sg_inlines.h>
34 #include <simgear/scene/material/mat.hxx>
35 #include <simgear/magvar/magvar.hxx>
36 #include <simgear/timing/sg_time.hxx>
37 #include <simgear/bucket/newbucket.hxx>
39 #include <Airports/runways.hxx>
40 #include <Airports/airport.hxx>
41 #include <Airports/dynamics.hxx>
42 #include <Airports/parking.hxx>
43 #include <Scripting/NasalSys.hxx>
44 #include <Navaids/navlist.hxx>
45 #include <Navaids/procedure.hxx>
46 #include <Main/globals.hxx>
47 #include <Main/fg_props.hxx>
48 #include <Scenery/scenery.hxx>
49 #include <ATC/CommStation.hxx>
50 #include <Navaids/FlightPlan.hxx>
51 #include <Navaids/waypoint.hxx>
52 #include <Navaids/fix.hxx>
53 #include <Autopilot/route_mgr.hxx>
54 #include <Navaids/routePath.hxx>
55 #include <Navaids/procedure.hxx>
56 #include <Navaids/airways.hxx>
57 #include <Navaids/NavDataCache.hxx>
59 using namespace flightgear;
61 static void positionedGhostDestroy(void* g);
62 static void wayptGhostDestroy(void* g);
63 static void legGhostDestroy(void* g);
64 static void routeBaseGhostDestroy(void* g);
66 naGhostType PositionedGhostType = { positionedGhostDestroy, "positioned" };
68 static const char* airportGhostGetMember(naContext c, void* g, naRef field, naRef* out);
69 naGhostType AirportGhostType = { positionedGhostDestroy, "airport", airportGhostGetMember, 0 };
71 static const char* navaidGhostGetMember(naContext c, void* g, naRef field, naRef* out);
72 naGhostType NavaidGhostType = { positionedGhostDestroy, "navaid", navaidGhostGetMember, 0 };
74 static const char* runwayGhostGetMember(naContext c, void* g, naRef field, naRef* out);
75 naGhostType RunwayGhostType = { positionedGhostDestroy, "runway", runwayGhostGetMember, 0 };
76 naGhostType HelipadGhostType = { positionedGhostDestroy, "helipad", runwayGhostGetMember, 0 };
77 naGhostType TaxiwayGhostType = { positionedGhostDestroy, "taxiway", runwayGhostGetMember, 0 };
79 static const char* fixGhostGetMember(naContext c, void* g, naRef field, naRef* out);
80 naGhostType FixGhostType = { positionedGhostDestroy, "fix", fixGhostGetMember, 0 };
82 static const char* wayptGhostGetMember(naContext c, void* g, naRef field, naRef* out);
83 static void waypointGhostSetMember(naContext c, void* g, naRef field, naRef value);
85 naGhostType WayptGhostType = { wayptGhostDestroy,
88 waypointGhostSetMember};
90 static const char* legGhostGetMember(naContext c, void* g, naRef field, naRef* out);
91 static void legGhostSetMember(naContext c, void* g, naRef field, naRef value);
93 naGhostType FPLegGhostType = { legGhostDestroy,
98 static const char* flightplanGhostGetMember(naContext c, void* g, naRef field, naRef* out);
99 static void flightplanGhostSetMember(naContext c, void* g, naRef field, naRef value);
101 naGhostType FlightPlanGhostType = { routeBaseGhostDestroy,
103 flightplanGhostGetMember,
104 flightplanGhostSetMember
107 static const char* procedureGhostGetMember(naContext c, void* g, naRef field, naRef* out);
108 naGhostType ProcedureGhostType = { routeBaseGhostDestroy,
110 procedureGhostGetMember,
113 static void hashset(naContext c, naRef hash, const char* key, naRef val)
115 naRef s = naNewString(c);
116 naStr_fromdata(s, (char*)key, strlen(key));
117 naHash_set(hash, s, val);
120 static naRef stringToNasal(naContext c, const std::string& s)
122 return naStr_fromdata(naNewString(c),
123 const_cast<char *>(s.c_str()),
127 static WayptFlag wayptFlagFromString(const char* s)
129 if (!strcmp(s, "sid")) return WPT_DEPARTURE;
130 if (!strcmp(s, "star")) return WPT_ARRIVAL;
131 if (!strcmp(s, "approach")) return WPT_APPROACH;
132 if (!strcmp(s, "missed")) return WPT_MISS;
133 if (!strcmp(s, "pseudo")) return WPT_PSEUDO;
135 return (WayptFlag) 0;
138 static naRef wayptFlagToNasal(naContext c, unsigned int flags)
140 if (flags & WPT_PSEUDO) return stringToNasal(c, "pseudo");
141 if (flags & WPT_DEPARTURE) return stringToNasal(c, "sid");
142 if (flags & WPT_ARRIVAL) return stringToNasal(c, "star");
143 if (flags & WPT_MISS) return stringToNasal(c, "missed");
144 if (flags & WPT_APPROACH) return stringToNasal(c, "approach");
148 static FGPositioned* positionedGhost(naRef r)
150 if ((naGhost_type(r) == &AirportGhostType) ||
151 (naGhost_type(r) == &NavaidGhostType) ||
152 (naGhost_type(r) == &RunwayGhostType) ||
153 (naGhost_type(r) == &FixGhostType))
155 return (FGPositioned*) naGhost_ptr(r);
161 static FGAirport* airportGhost(naRef r)
163 if (naGhost_type(r) == &AirportGhostType)
164 return (FGAirport*) naGhost_ptr(r);
168 static FGNavRecord* navaidGhost(naRef r)
170 if (naGhost_type(r) == &NavaidGhostType)
171 return (FGNavRecord*) naGhost_ptr(r);
175 static FGRunway* runwayGhost(naRef r)
177 if (naGhost_type(r) == &RunwayGhostType)
178 return (FGRunway*) naGhost_ptr(r);
182 static FGTaxiway* taxiwayGhost(naRef r)
184 if (naGhost_type(r) == &TaxiwayGhostType)
185 return (FGTaxiway*) naGhost_ptr(r);
189 static FGFix* fixGhost(naRef r)
191 if (naGhost_type(r) == &FixGhostType)
192 return (FGFix*) naGhost_ptr(r);
197 static void positionedGhostDestroy(void* g)
199 FGPositioned* pos = (FGPositioned*)g;
200 if (!FGPositioned::put(pos)) // unref
204 static Waypt* wayptGhost(naRef r)
206 if (naGhost_type(r) == &WayptGhostType)
207 return (Waypt*) naGhost_ptr(r);
209 if (naGhost_type(r) == &FPLegGhostType) {
210 FlightPlan::Leg* leg = (FlightPlan::Leg*) naGhost_ptr(r);
211 return leg->waypoint();
217 static void wayptGhostDestroy(void* g)
219 Waypt* wpt = (Waypt*)g;
220 if (!Waypt::put(wpt)) // unref
224 static void legGhostDestroy(void* g)
230 static FlightPlan::Leg* fpLegGhost(naRef r)
232 if (naGhost_type(r) == &FPLegGhostType)
233 return (FlightPlan::Leg*) naGhost_ptr(r);
237 static Procedure* procedureGhost(naRef r)
239 if (naGhost_type(r) == &ProcedureGhostType)
240 return (Procedure*) naGhost_ptr(r);
244 static FlightPlan* flightplanGhost(naRef r)
246 if (naGhost_type(r) == &FlightPlanGhostType)
247 return (FlightPlan*) naGhost_ptr(r);
251 static void routeBaseGhostDestroy(void* g)
256 static naRef airportPrototype;
257 static naRef flightplanPrototype;
258 static naRef waypointPrototype;
259 static naRef geoCoordClass;
260 static naRef fpLegPrototype;
261 static naRef procedurePrototype;
263 naRef ghostForAirport(naContext c, const FGAirport* apt)
269 FGPositioned::get(apt); // take a ref
270 return naNewGhost2(c, &AirportGhostType, (void*) apt);
273 naRef ghostForNavaid(naContext c, const FGNavRecord* n)
279 FGPositioned::get(n); // take a ref
280 return naNewGhost2(c, &NavaidGhostType, (void*) n);
283 naRef ghostForRunway(naContext c, const FGRunway* r)
289 FGPositioned::get(r); // take a ref
290 return naNewGhost2(c, &RunwayGhostType, (void*) r);
293 naRef ghostForHelipad(naContext c, const FGHelipad* r)
299 FGPositioned::get(r); // take a ref
300 return naNewGhost2(c, &HelipadGhostType, (void*) r);
303 naRef ghostForTaxiway(naContext c, const FGTaxiway* r)
309 FGPositioned::get(r); // take a ref
310 return naNewGhost2(c, &TaxiwayGhostType, (void*) r);
313 naRef ghostForFix(naContext c, const FGFix* r)
319 FGPositioned::get(r); // take a ref
320 return naNewGhost2(c, &FixGhostType, (void*) r);
324 naRef ghostForWaypt(naContext c, const Waypt* wpt)
330 Waypt::get(wpt); // take a ref
331 return naNewGhost2(c, &WayptGhostType, (void*) wpt);
334 naRef ghostForLeg(naContext c, const FlightPlan::Leg* leg)
340 return naNewGhost2(c, &FPLegGhostType, (void*) leg);
343 naRef ghostForFlightPlan(naContext c, const FlightPlan* fp)
349 return naNewGhost2(c, &FlightPlanGhostType, (void*) fp);
352 naRef ghostForProcedure(naContext c, const Procedure* proc)
358 return naNewGhost2(c, &ProcedureGhostType, (void*) proc);
361 static const char* airportGhostGetMember(naContext c, void* g, naRef field, naRef* out)
363 const char* fieldName = naStr_data(field);
364 FGAirport* apt = (FGAirport*) g;
366 if (!strcmp(fieldName, "parents")) {
367 *out = naNewVector(c);
368 naVec_append(*out, airportPrototype);
369 } else if (!strcmp(fieldName, "id")) *out = stringToNasal(c, apt->ident());
370 else if (!strcmp(fieldName, "name")) *out = stringToNasal(c, apt->name());
371 else if (!strcmp(fieldName, "lat")) *out = naNum(apt->getLatitude());
372 else if (!strcmp(fieldName, "lon")) *out = naNum(apt->getLongitude());
373 else if (!strcmp(fieldName, "elevation")) {
374 *out = naNum(apt->getElevation() * SG_FEET_TO_METER);
375 } else if (!strcmp(fieldName, "has_metar")) {
376 *out = naNum(apt->getMetar());
377 } else if (!strcmp(fieldName, "runways")) {
379 double minLengthFt = fgGetDouble("/sim/navdb/min-runway-length-ft");
380 for(unsigned int r=0; r<apt->numRunways(); ++r) {
381 FGRunway* rwy(apt->getRunwayByIndex(r));
382 // ignore unusably short runways
383 if (rwy->lengthFt() < minLengthFt) {
386 naRef rwyid = stringToNasal(c, rwy->ident());
387 naRef rwydata = ghostForRunway(c, rwy);
388 naHash_set(*out, rwyid, rwydata);
390 } else if (!strcmp(fieldName, "helipads")) {
393 for(unsigned int r=0; r<apt->numHelipads(); ++r) {
394 FGHelipad* hp(apt->getHelipadByIndex(r));
396 naRef rwyid = stringToNasal(c, hp->ident());
397 naRef rwydata = ghostForHelipad(c, hp);
398 naHash_set(*out, rwyid, rwydata);
401 } else if (!strcmp(fieldName, "taxiways")) {
402 *out = naNewVector(c);
403 for(unsigned int r=0; r<apt->numTaxiways(); ++r) {
404 FGTaxiway* taxi(apt->getTaxiwayByIndex(r));
405 naRef taxidata = ghostForTaxiway(c, taxi);
406 naVec_append(*out, taxidata);
416 static const char* waypointCommonGetMember(naContext c, Waypt* wpt, const char* fieldName, naRef* out)
418 if (!strcmp(fieldName, "wp_name")) *out = stringToNasal(c, wpt->ident());
419 else if (!strcmp(fieldName, "wp_type")) *out = stringToNasal(c, wpt->type());
420 else if (!strcmp(fieldName, "wp_role")) *out = wayptFlagToNasal(c, wpt->flags());
421 else if (!strcmp(fieldName, "wp_lat")) *out = naNum(wpt->position().getLatitudeDeg());
422 else if (!strcmp(fieldName, "wp_lon")) *out = naNum(wpt->position().getLongitudeDeg());
423 else if (!strcmp(fieldName, "wp_parent_name")) {
424 Procedure* proc = dynamic_cast<Procedure*>(wpt->owner());
425 *out = proc ? stringToNasal(c, proc->ident()) : naNil();
426 } else if (!strcmp(fieldName, "wp_parent")) {
427 Procedure* proc = dynamic_cast<Procedure*>(wpt->owner());
428 *out = ghostForProcedure(c, proc);
429 } else if (!strcmp(fieldName, "fly_type")) {
430 if (wpt->type() == "hold") {
431 *out = stringToNasal(c, "Hold");
433 *out = stringToNasal(c, wpt->flag(WPT_OVERFLIGHT) ? "flyOver" : "flyBy");
436 return NULL; // member not found
442 static void waypointCommonSetMember(naContext c, Waypt* wpt, const char* fieldName, naRef value)
444 if (!strcmp(fieldName, "wp_role")) {
445 if (!naIsString(value)) naRuntimeError(c, "wp_role must be a string");
446 if (wpt->owner() != NULL) naRuntimeError(c, "cannot override wp_role on waypoint with parent");
447 WayptFlag f = wayptFlagFromString(naStr_data(value));
449 naRuntimeError(c, "unrecognized wp_role value %s", naStr_data(value));
452 wpt->setFlag(f, true);
456 static const char* wayptGhostGetMember(naContext c, void* g, naRef field, naRef* out)
458 const char* fieldName = naStr_data(field);
459 Waypt* wpt = (flightgear::Waypt*) g;
460 return waypointCommonGetMember(c, wpt, fieldName, out);
463 static RouteRestriction routeRestrictionFromString(const char* s)
467 if (u == "computed") return RESTRICT_COMPUTED;
468 if (u == "at") return RESTRICT_AT;
469 if (u == "mach") return SPEED_RESTRICT_MACH;
470 if (u == "computed-mach") return SPEED_COMPUTED_MACH;
471 if (u == "delete") return RESTRICT_DELETE;
472 return RESTRICT_NONE;
475 naRef routeRestrictionToNasal(naContext c, RouteRestriction rr)
478 case RESTRICT_NONE: return naNil();
479 case RESTRICT_AT: return stringToNasal(c, "at");
480 case RESTRICT_ABOVE: return stringToNasal(c, "above");
481 case RESTRICT_BELOW: return stringToNasal(c, "below");
482 case SPEED_RESTRICT_MACH: return stringToNasal(c, "mach");
483 case RESTRICT_COMPUTED: return stringToNasal(c, "computed");
484 case SPEED_COMPUTED_MACH: return stringToNasal(c, "computed-mach");
485 case RESTRICT_DELETE: return stringToNasal(c, "delete");
491 static const char* legGhostGetMember(naContext c, void* g, naRef field, naRef* out)
493 const char* fieldName = naStr_data(field);
494 FlightPlan::Leg* leg = (FlightPlan::Leg*) g;
495 Waypt* wpt = leg->waypoint();
497 if (!strcmp(fieldName, "parents")) {
498 *out = naNewVector(c);
499 naVec_append(*out, fpLegPrototype);
500 } else if (!strcmp(fieldName, "index")) {
501 *out = naNum(leg->index());
502 } else if (!strcmp(fieldName, "alt_cstr")) {
503 *out = naNum(leg->altitudeFt());
504 } else if (!strcmp(fieldName, "alt_cstr_type")) {
505 *out = routeRestrictionToNasal(c, leg->altitudeRestriction());
506 } else if (!strcmp(fieldName, "speed_cstr")) {
507 double s = isMachRestrict(leg->speedRestriction()) ? leg->speedMach() : leg->speedKts();
509 } else if (!strcmp(fieldName, "speed_cstr_type")) {
510 *out = routeRestrictionToNasal(c, leg->speedRestriction());
511 } else if (!strcmp(fieldName, "leg_distance")) {
512 *out = naNum(leg->distanceNm());
513 } else if (!strcmp(fieldName, "leg_bearing")) {
514 *out = naNum(leg->courseDeg());
515 } else if (!strcmp(fieldName, "distance_along_route")) {
516 *out = naNum(leg->distanceAlongRoute());
517 } else { // check for fields defined on the underlying waypoint
518 return waypointCommonGetMember(c, wpt, fieldName, out);
521 return ""; // success
524 static void waypointGhostSetMember(naContext c, void* g, naRef field, naRef value)
526 const char* fieldName = naStr_data(field);
527 Waypt* wpt = (Waypt*) g;
528 waypointCommonSetMember(c, wpt, fieldName, value);
531 static void legGhostSetMember(naContext c, void* g, naRef field, naRef value)
533 const char* fieldName = naStr_data(field);
534 FlightPlan::Leg* leg = (FlightPlan::Leg*) g;
536 waypointCommonSetMember(c, leg->waypoint(), fieldName, value);
539 static const char* flightplanGhostGetMember(naContext c, void* g, naRef field, naRef* out)
541 const char* fieldName = naStr_data(field);
542 FlightPlan* fp = (FlightPlan*) g;
544 if (!strcmp(fieldName, "parents")) {
545 *out = naNewVector(c);
546 naVec_append(*out, flightplanPrototype);
547 } else if (!strcmp(fieldName, "id")) *out = stringToNasal(c, fp->ident());
548 else if (!strcmp(fieldName, "departure")) *out = ghostForAirport(c, fp->departureAirport());
549 else if (!strcmp(fieldName, "destination")) *out = ghostForAirport(c, fp->destinationAirport());
550 else if (!strcmp(fieldName, "departure_runway")) *out = ghostForRunway(c, fp->departureRunway());
551 else if (!strcmp(fieldName, "destination_runway")) *out = ghostForRunway(c, fp->destinationRunway());
552 else if (!strcmp(fieldName, "sid")) *out = ghostForProcedure(c, fp->sid());
553 else if (!strcmp(fieldName, "sid_trans")) *out = ghostForProcedure(c, fp->sidTransition());
554 else if (!strcmp(fieldName, "star")) *out = ghostForProcedure(c, fp->star());
555 else if (!strcmp(fieldName, "star_trans")) *out = ghostForProcedure(c, fp->starTransition());
556 else if (!strcmp(fieldName, "approach")) *out = ghostForProcedure(c, fp->approach());
557 else if (!strcmp(fieldName, "current")) *out = naNum(fp->currentIndex());
565 static void flightplanGhostSetMember(naContext c, void* g, naRef field, naRef value)
567 const char* fieldName = naStr_data(field);
568 FlightPlan* fp = (FlightPlan*) g;
570 if (!strcmp(fieldName, "id")) {
571 if (!naIsString(value)) naRuntimeError(c, "flightplan.id must be a string");
572 fp->setIdent(naStr_data(value));
573 } else if (!strcmp(fieldName, "current")) {
574 int index = value.num;
575 if ((index < 0) || (index >= fp->numLegs())) {
578 fp->setCurrentIndex(index);
579 } else if (!strcmp(fieldName, "departure")) {
580 FGAirport* apt = airportGhost(value);
582 fp->setDeparture(apt);
586 FGRunway* rwy = runwayGhost(value);
588 fp->setDeparture(rwy);
592 naRuntimeError(c, "bad argument type setting departure");
593 } else if (!strcmp(fieldName, "destination")) {
594 FGAirport* apt = airportGhost(value);
596 fp->setDestination(apt);
600 FGRunway* rwy = runwayGhost(value);
602 fp->setDestination(rwy);
606 naRuntimeError(c, "bad argument type setting destination");
607 } else if (!strcmp(fieldName, "departure_runway")) {
608 FGRunway* rwy = runwayGhost(value);
610 fp->setDeparture(rwy);
614 naRuntimeError(c, "bad argument type setting departure");
615 } else if (!strcmp(fieldName, "destination_runway")) {
616 FGRunway* rwy = runwayGhost(value);
618 fp->setDestination(rwy);
622 naRuntimeError(c, "bad argument type setting departure");
623 } else if (!strcmp(fieldName, "sid")) {
624 Procedure* proc = procedureGhost(value);
625 if (proc && (proc->type() == PROCEDURE_SID)) {
626 fp->setSID((flightgear::SID*) proc);
629 // allow a SID transition to be set, implicitly include the SID itself
630 if (proc && (proc->type() == PROCEDURE_TRANSITION)) {
631 fp->setSID((Transition*) proc);
635 if (naIsString(value)) {
636 FGAirport* apt = fp->departureAirport();
637 fp->setSID(apt->findSIDWithIdent(naStr_data(value)));
641 naRuntimeError(c, "bad argument type setting SID");
642 } else if (!strcmp(fieldName, "star")) {
643 Procedure* proc = procedureGhost(value);
644 if (proc && (proc->type() == PROCEDURE_STAR)) {
645 fp->setSTAR((STAR*) proc);
649 if (proc && (proc->type() == PROCEDURE_TRANSITION)) {
650 fp->setSTAR((Transition*) proc);
654 if (naIsString(value)) {
655 FGAirport* apt = fp->destinationAirport();
656 fp->setSTAR(apt->findSTARWithIdent(naStr_data(value)));
660 naRuntimeError(c, "bad argument type setting STAR");
661 } else if (!strcmp(fieldName, "approach")) {
662 Procedure* proc = procedureGhost(value);
663 if (proc && Approach::isApproach(proc->type())) {
664 fp->setApproach((Approach*) proc);
668 if (naIsString(value)) {
669 FGAirport* apt = fp->destinationAirport();
670 fp->setApproach(apt->findApproachWithIdent(naStr_data(value)));
674 naRuntimeError(c, "bad argument type setting approach");
679 static naRef procedureTpType(naContext c, ProcedureType ty)
682 case PROCEDURE_SID: return stringToNasal(c, "sid");
683 case PROCEDURE_STAR: return stringToNasal(c, "star");
684 case PROCEDURE_APPROACH_VOR:
685 case PROCEDURE_APPROACH_ILS:
686 case PROCEDURE_APPROACH_RNAV:
687 case PROCEDURE_APPROACH_NDB:
688 return stringToNasal(c, "IAP");
694 static naRef procedureRadioType(naContext c, ProcedureType ty)
697 case PROCEDURE_APPROACH_VOR: return stringToNasal(c, "VOR");
698 case PROCEDURE_APPROACH_ILS: return stringToNasal(c, "ILS");
699 case PROCEDURE_APPROACH_RNAV: return stringToNasal(c, "RNAV");
700 case PROCEDURE_APPROACH_NDB: return stringToNasal(c, "NDB");
706 static const char* procedureGhostGetMember(naContext c, void* g, naRef field, naRef* out)
708 const char* fieldName = naStr_data(field);
709 Procedure* proc = (Procedure*) g;
711 if (!strcmp(fieldName, "parents")) {
712 *out = naNewVector(c);
713 naVec_append(*out, procedurePrototype);
714 } else if (!strcmp(fieldName, "id")) *out = stringToNasal(c, proc->ident());
715 else if (!strcmp(fieldName, "airport")) *out = ghostForAirport(c, proc->airport());
716 else if (!strcmp(fieldName, "tp_type")) *out = procedureTpType(c, proc->type());
717 else if (!strcmp(fieldName, "radio")) *out = procedureRadioType(c, proc->type());
718 else if (!strcmp(fieldName, "runways")) {
719 *out = naNewVector(c);
720 BOOST_FOREACH(FGRunwayRef rwy, proc->runways()) {
721 naVec_append(*out, stringToNasal(c, rwy->ident()));
723 } else if (!strcmp(fieldName, "transitions")) {
724 if ((proc->type() != PROCEDURE_SID) && (proc->type() != PROCEDURE_STAR)) {
729 ArrivalDeparture* ad = static_cast<ArrivalDeparture*>(proc);
730 *out = naNewVector(c);
731 BOOST_FOREACH(std::string id, ad->transitionIdents()) {
732 naVec_append(*out, stringToNasal(c, id));
741 static const char* runwayGhostGetMember(naContext c, void* g, naRef field, naRef* out)
743 const char* fieldName = naStr_data(field);
744 FGRunwayBase* base = (FGRunwayBase*) g;
746 if (!strcmp(fieldName, "id")) *out = stringToNasal(c, base->ident());
747 else if (!strcmp(fieldName, "lat")) *out = naNum(base->latitude());
748 else if (!strcmp(fieldName, "lon")) *out = naNum(base->longitude());
749 else if (!strcmp(fieldName, "heading")) *out = naNum(base->headingDeg());
750 else if (!strcmp(fieldName, "length")) *out = naNum(base->lengthM());
751 else if (!strcmp(fieldName, "width")) *out = naNum(base->widthM());
752 else if (!strcmp(fieldName, "surface")) *out = naNum(base->surface());
753 else if (base->type() == FGRunwayBase::RUNWAY) {
754 FGRunway* rwy = (FGRunway*) g;
755 if (!strcmp(fieldName, "threshold")) *out = naNum(rwy->displacedThresholdM());
756 else if (!strcmp(fieldName, "stopway")) *out = naNum(rwy->stopwayM());
757 else if (!strcmp(fieldName, "reciprocal")) {
758 *out = ghostForRunway(c, rwy->reciprocalRunway());
759 } else if (!strcmp(fieldName, "ils_frequency_mhz")) {
760 *out = rwy->ILS() ? naNum(rwy->ILS()->get_freq() / 100.0) : naNil();
761 } else if (!strcmp(fieldName, "ils")) {
762 *out = ghostForNavaid(c, rwy->ILS());
773 static const char* navaidGhostGetMember(naContext c, void* g, naRef field, naRef* out)
775 const char* fieldName = naStr_data(field);
776 FGNavRecord* nav = (FGNavRecord*) g;
778 if (!strcmp(fieldName, "id")) *out = stringToNasal(c, nav->ident());
779 else if (!strcmp(fieldName, "name")) *out = stringToNasal(c, nav->name());
780 else if (!strcmp(fieldName, "lat")) *out = naNum(nav->get_lat());
781 else if (!strcmp(fieldName, "lon")) *out = naNum(nav->get_lon());
782 else if (!strcmp(fieldName, "elevation")) {
783 *out = naNum(nav->get_elev_ft() * SG_FEET_TO_METER);
784 } else if (!strcmp(fieldName, "type")) {
785 *out = stringToNasal(c, nav->nameForType(nav->type()));
786 } else if (!strcmp(fieldName, "frequency")) {
787 *out = naNum(nav->get_freq());
788 } else if (!strcmp(fieldName, "range_nm")) {
789 *out = naNum(nav->get_range());
790 } else if (!strcmp(fieldName, "course")) {
791 if ((nav->type() == FGPositioned::ILS) || (nav->type() == FGPositioned::LOC)) {
792 double radial = nav->get_multiuse();
793 SG_NORMALIZE_RANGE(radial, 0.0, 360.0);
794 *out = naNum(radial);
805 static const char* fixGhostGetMember(naContext c, void* g, naRef field, naRef* out)
807 const char* fieldName = naStr_data(field);
808 FGFix* fix = (FGFix*) g;
810 if (!strcmp(fieldName, "id")) *out = stringToNasal(c, fix->ident());
811 else if (!strcmp(fieldName, "lat")) *out = naNum(fix->get_lat());
812 else if (!strcmp(fieldName, "lon")) *out = naNum(fix->get_lon());
820 static bool hashIsCoord(naRef h)
822 naRef parents = naHash_cget(h, (char*) "parents");
823 if (!naIsVector(parents)) {
827 return naEqual(naVec_get(parents, 0), geoCoordClass) != 0;
830 bool geodFromHash(naRef ref, SGGeod& result)
832 if (!naIsHash(ref)) {
837 // check for manual latitude / longitude names
838 naRef lat = naHash_cget(ref, (char*) "lat");
839 naRef lon = naHash_cget(ref, (char*) "lon");
840 if (naIsNum(lat) && naIsNum(lon)) {
841 result = SGGeod::fromDeg(naNumValue(lon).num, naNumValue(lat).num);
845 if (hashIsCoord(ref)) {
846 naRef lat = naHash_cget(ref, (char*) "_lat");
847 naRef lon = naHash_cget(ref, (char*) "_lon");
848 if (naIsNum(lat) && naIsNum(lon)) {
849 result = SGGeod::fromRad(naNumValue(lon).num, naNumValue(lat).num);
854 // check for any synonyms?
855 // latitude + longitude?
860 static int geodFromArgs(naRef* args, int offset, int argc, SGGeod& result)
862 if (offset >= argc) {
866 if (naIsGhost(args[offset])) {
867 naGhostType* gt = naGhost_type(args[offset]);
868 if (gt == &AirportGhostType) {
869 result = airportGhost(args[offset])->geod();
873 if (gt == &NavaidGhostType) {
874 result = navaidGhost(args[offset])->geod();
878 if (gt == &RunwayGhostType) {
879 result = runwayGhost(args[offset])->geod();
883 if (gt == &TaxiwayGhostType) {
884 result = taxiwayGhost(args[offset])->geod();
888 if (gt == &FixGhostType) {
889 result = fixGhost(args[offset])->geod();
893 if (gt == &WayptGhostType) {
894 result = wayptGhost(args[offset])->position();
899 if (geodFromHash(args[offset], result)) {
903 if (((argc - offset) >= 2) && naIsNum(args[offset]) && naIsNum(args[offset + 1])) {
904 double lat = naNumValue(args[0]).num,
905 lon = naNumValue(args[1]).num;
906 result = SGGeod::fromDeg(lon, lat);
913 // Convert a cartesian point to a geodetic lat/lon/altitude.
914 static naRef f_carttogeod(naContext c, naRef me, int argc, naRef* args)
916 double lat, lon, alt, xyz[3];
917 if(argc != 3) naRuntimeError(c, "carttogeod() expects 3 arguments");
918 for(int i=0; i<3; i++)
919 xyz[i] = naNumValue(args[i]).num;
920 sgCartToGeod(xyz, &lat, &lon, &alt);
921 lat *= SG_RADIANS_TO_DEGREES;
922 lon *= SG_RADIANS_TO_DEGREES;
923 naRef vec = naNewVector(c);
924 naVec_append(vec, naNum(lat));
925 naVec_append(vec, naNum(lon));
926 naVec_append(vec, naNum(alt));
930 // Convert a geodetic lat/lon/altitude to a cartesian point.
931 static naRef f_geodtocart(naContext c, naRef me, int argc, naRef* args)
933 if(argc != 3) naRuntimeError(c, "geodtocart() expects 3 arguments");
934 double lat = naNumValue(args[0]).num * SG_DEGREES_TO_RADIANS;
935 double lon = naNumValue(args[1]).num * SG_DEGREES_TO_RADIANS;
936 double alt = naNumValue(args[2]).num;
938 sgGeodToCart(lat, lon, alt, xyz);
939 naRef vec = naNewVector(c);
940 naVec_append(vec, naNum(xyz[0]));
941 naVec_append(vec, naNum(xyz[1]));
942 naVec_append(vec, naNum(xyz[2]));
946 // For given geodetic point return array with elevation, and a material data
947 // hash, or nil if there's no information available (tile not loaded). If
948 // information about the material isn't available, then nil is returned instead
950 static naRef f_geodinfo(naContext c, naRef me, int argc, naRef* args)
952 #define HASHSET(s,l,n) naHash_set(matdata, naStr_fromdata(naNewString(c),s,l),n)
953 if(argc < 2 || argc > 3)
954 naRuntimeError(c, "geodinfo() expects 2 or 3 arguments: lat, lon [, maxalt]");
955 double lat = naNumValue(args[0]).num;
956 double lon = naNumValue(args[1]).num;
957 double elev = argc == 3 ? naNumValue(args[2]).num : 10000;
958 const simgear::BVHMaterial *material;
959 SGGeod geod = SGGeod::fromDegM(lon, lat, elev);
960 if(!globals->get_scenery()->get_elevation_m(geod, elev, &material))
962 const SGMaterial *mat = dynamic_cast<const SGMaterial *>(material);
963 naRef vec = naNewVector(c);
964 naVec_append(vec, naNum(elev));
965 naRef matdata = naNil();
967 matdata = naNewHash(c);
968 naRef names = naNewVector(c);
969 BOOST_FOREACH(const std::string& n, mat->get_names())
970 naVec_append(names, stringToNasal(c, n));
972 HASHSET("names", 5, names);
973 HASHSET("solid", 5, naNum(mat->get_solid()));
974 HASHSET("friction_factor", 15, naNum(mat->get_friction_factor()));
975 HASHSET("rolling_friction", 16, naNum(mat->get_rolling_friction()));
976 HASHSET("load_resistance", 15, naNum(mat->get_load_resistance()));
977 HASHSET("bumpiness", 9, naNum(mat->get_bumpiness()));
978 HASHSET("light_coverage", 14, naNum(mat->get_light_coverage()));
980 naVec_append(vec, matdata);
986 // Returns data hash for particular or nearest airport of a <type>, or nil
989 // airportinfo(<id>); e.g. "KSFO"
990 // airportinfo(<type>); type := ("airport"|"seaport"|"heliport")
991 // airportinfo() same as airportinfo("airport")
992 // airportinfo(<lat>, <lon> [, <type>]);
993 static naRef f_airportinfo(naContext c, naRef me, int argc, naRef* args)
995 SGGeod pos = globals->get_aircraft_position();
996 FGAirport* apt = NULL;
998 if(argc >= 2 && naIsNum(args[0]) && naIsNum(args[1])) {
999 pos = SGGeod::fromDeg(args[1].num, args[0].num);
1004 double maxRange = 10000.0; // expose this? or pick a smaller value?
1006 FGAirport::TypeRunwayFilter filter; // defaults to airports only
1009 // fall through and use AIRPORT
1010 } else if(argc == 1 && naIsString(args[0])) {
1011 if (filter.fromTypeString(naStr_data(args[0]))) {
1014 // user provided an <id>, hopefully
1015 apt = FGAirport::findByIdent(naStr_data(args[0]));
1017 // return nil here, but don't raise a runtime error; this is a
1018 // legitamate way to validate an ICAO code, for example in a
1019 // dialog box or similar.
1024 naRuntimeError(c, "airportinfo() with invalid function arguments");
1029 apt = FGAirport::findClosest(pos, maxRange, &filter);
1030 if(!apt) return naNil();
1033 return ghostForAirport(c, apt);
1036 static naRef f_findAirportsWithinRange(naContext c, naRef me, int argc, naRef* args)
1039 SGGeod pos = globals->get_aircraft_position();
1040 argOffset += geodFromArgs(args, 0, argc, pos);
1042 if (!naIsNum(args[argOffset])) {
1043 naRuntimeError(c, "findAirportsWithinRange expected range (in nm) as arg %d", argOffset);
1046 FGAirport::TypeRunwayFilter filter; // defaults to airports only
1047 double rangeNm = args[argOffset++].num;
1048 if (argOffset < argc) {
1049 filter.fromTypeString(naStr_data(args[argOffset++]));
1052 naRef r = naNewVector(c);
1054 FGPositioned::List apts = FGPositioned::findWithinRange(pos, rangeNm, &filter);
1055 FGPositioned::sortByRange(apts, pos);
1057 BOOST_FOREACH(FGPositionedRef a, apts) {
1058 FGAirport* apt = (FGAirport*) a.get();
1059 naVec_append(r, ghostForAirport(c, apt));
1065 static naRef f_findAirportsByICAO(naContext c, naRef me, int argc, naRef* args)
1067 if (!naIsString(args[0])) {
1068 naRuntimeError(c, "findAirportsByICAO expects string as arg 0");
1072 std::string prefix(naStr_data(args[argOffset++]));
1073 FGAirport::TypeRunwayFilter filter; // defaults to airports only
1074 if (argOffset < argc) {
1075 filter.fromTypeString(naStr_data(args[argOffset++]));
1078 naRef r = naNewVector(c);
1080 FGPositioned::List apts = FGPositioned::findAllWithIdent(prefix, &filter, false);
1082 BOOST_FOREACH(FGPositionedRef a, apts) {
1083 FGAirport* apt = (FGAirport*) a.get();
1084 naVec_append(r, ghostForAirport(c, apt));
1090 static naRef f_airport_tower(naContext c, naRef me, int argc, naRef* args)
1092 FGAirport* apt = airportGhost(me);
1094 naRuntimeError(c, "airport.tower called on non-airport object");
1097 // build a hash for the tower position
1098 SGGeod towerLoc = apt->getTowerLocation();
1099 naRef tower = naNewHash(c);
1100 hashset(c, tower, "lat", naNum(towerLoc.getLatitudeDeg()));
1101 hashset(c, tower, "lon", naNum(towerLoc.getLongitudeDeg()));
1102 hashset(c, tower, "elevation", naNum(towerLoc.getElevationM()));
1106 static naRef f_airport_comms(naContext c, naRef me, int argc, naRef* args)
1108 FGAirport* apt = airportGhost(me);
1110 naRuntimeError(c, "airport.comms called on non-airport object");
1112 naRef comms = naNewVector(c);
1114 // if we have an explicit type, return a simple vector of frequencies
1115 if (argc > 0 && naIsScalar(args[0])) {
1116 std::string commName = naStr_data(args[0]);
1117 FGPositioned::Type commType = FGPositioned::typeFromName(commName);
1119 BOOST_FOREACH(flightgear::CommStation* comm, apt->commStationsOfType(commType)) {
1120 naVec_append(comms, naNum(comm->freqMHz()));
1123 // otherwise return a vector of hashes, one for each comm station.
1124 BOOST_FOREACH(flightgear::CommStation* comm, apt->commStations()) {
1125 naRef commHash = naNewHash(c);
1126 hashset(c, commHash, "frequency", naNum(comm->freqMHz()));
1127 hashset(c, commHash, "ident", stringToNasal(c, comm->ident()));
1128 naVec_append(comms, commHash);
1135 static naRef f_airport_runway(naContext c, naRef me, int argc, naRef* args)
1137 FGAirport* apt = airportGhost(me);
1139 naRuntimeError(c, "airport.runway called on non-airport object");
1142 if ((argc < 1) || !naIsString(args[0])) {
1143 naRuntimeError(c, "airport.runway expects a runway ident argument");
1146 std::string ident(naStr_data(args[0]));
1147 boost::to_upper(ident);
1149 if (apt->hasRunwayWithIdent(ident)) {
1150 return ghostForRunway(c, apt->getRunwayByIdent(ident));
1151 } else if (apt->hasHelipadWithIdent(ident)) {
1152 return ghostForHelipad(c, apt->getHelipadByIdent(ident));
1157 static naRef f_airport_runwaysWithoutReciprocals(naContext c, naRef me, int argc, naRef* args)
1159 FGAirport* apt = airportGhost(me);
1161 naRuntimeError(c, "airport.runwaysWithoutReciprocals called on non-airport object");
1164 FGRunwayList rwylist(apt->getRunwaysWithoutReciprocals());
1165 naRef runways = naNewVector(c);
1166 for (unsigned int r=0; r<rwylist.size(); ++r) {
1167 FGRunway* rwy(rwylist[r]);
1168 naVec_append(runways, ghostForRunway(c, apt->getRunwayByIdent(rwy->ident())));
1173 static naRef f_airport_sids(naContext c, naRef me, int argc, naRef* args)
1175 FGAirport* apt = airportGhost(me);
1177 naRuntimeError(c, "airport.sids called on non-airport object");
1180 naRef sids = naNewVector(c);
1182 FGRunway* rwy = NULL;
1183 if (argc > 0 && naIsString(args[0])) {
1184 if (!apt->hasRunwayWithIdent(naStr_data(args[0]))) {
1188 rwy = apt->getRunwayByIdent(naStr_data(args[0]));
1189 } else if (argc > 0) {
1190 rwy = runwayGhost(args[0]);
1194 BOOST_FOREACH(flightgear::SID* sid, rwy->getSIDs()) {
1195 naRef procId = stringToNasal(c, sid->ident());
1196 naVec_append(sids, procId);
1199 for (unsigned int s=0; s<apt->numSIDs(); ++s) {
1200 flightgear::SID* sid = apt->getSIDByIndex(s);
1201 naRef procId = stringToNasal(c, sid->ident());
1202 naVec_append(sids, procId);
1209 static naRef f_airport_stars(naContext c, naRef me, int argc, naRef* args)
1211 FGAirport* apt = airportGhost(me);
1213 naRuntimeError(c, "airport.stars called on non-airport object");
1216 naRef stars = naNewVector(c);
1218 FGRunway* rwy = NULL;
1219 if (argc > 0 && naIsString(args[0])) {
1220 if (!apt->hasRunwayWithIdent(naStr_data(args[0]))) {
1224 rwy = apt->getRunwayByIdent(naStr_data(args[0]));
1225 } else if (argc > 0) {
1226 rwy = runwayGhost(args[0]);
1230 BOOST_FOREACH(flightgear::STAR* s, rwy->getSTARs()) {
1231 naRef procId = stringToNasal(c, s->ident());
1232 naVec_append(stars, procId);
1235 for (unsigned int s=0; s<apt->numSTARs(); ++s) {
1236 flightgear::STAR* star = apt->getSTARByIndex(s);
1237 naRef procId = stringToNasal(c, star->ident());
1238 naVec_append(stars, procId);
1245 static naRef f_airport_approaches(naContext c, naRef me, int argc, naRef* args)
1247 FGAirport* apt = airportGhost(me);
1249 naRuntimeError(c, "airport.getApproachList called on non-airport object");
1252 naRef approaches = naNewVector(c);
1254 ProcedureType ty = PROCEDURE_INVALID;
1255 if ((argc > 1) && naIsString(args[1])) {
1256 std::string u(naStr_data(args[1]));
1258 if (u == "NDB") ty = PROCEDURE_APPROACH_NDB;
1259 if (u == "VOR") ty = PROCEDURE_APPROACH_VOR;
1260 if (u == "ILS") ty = PROCEDURE_APPROACH_ILS;
1261 if (u == "RNAV") ty = PROCEDURE_APPROACH_RNAV;
1264 FGRunway* rwy = NULL;
1265 if (argc > 0 && (rwy = runwayGhost(args[0]))) {
1267 } else if (argc > 0 && naIsString(args[0])) {
1268 if (!apt->hasRunwayWithIdent(naStr_data(args[0]))) {
1272 rwy = apt->getRunwayByIdent(naStr_data(args[0]));
1276 BOOST_FOREACH(Approach* s, rwy->getApproaches()) {
1277 if ((ty != PROCEDURE_INVALID) && (s->type() != ty)) {
1281 naRef procId = stringToNasal(c, s->ident());
1282 naVec_append(approaches, procId);
1285 // no runway specified, report them all
1286 for (unsigned int s=0; s<apt->numApproaches(); ++s) {
1287 Approach* app = apt->getApproachByIndex(s);
1288 if ((ty != PROCEDURE_INVALID) && (app->type() != ty)) {
1292 naRef procId = stringToNasal(c, app->ident());
1293 naVec_append(approaches, procId);
1300 static naRef f_airport_parking(naContext c, naRef me, int argc, naRef* args)
1302 FGAirport* apt = airportGhost(me);
1304 naRuntimeError(c, "airport.parking called on non-airport object");
1307 naRef r = naNewVector(c);
1309 bool onlyAvailable = false;
1311 if (argc > 0 && naIsString(args[0])) {
1312 type = naStr_data(args[0]);
1315 if ((argc > 1) && naIsNum(args[1])) {
1316 onlyAvailable = (args[1].num != 0.0);
1319 FGAirportDynamics* dynamics = apt->getDynamics();
1320 PositionedIDVec parkings = flightgear::NavDataCache::instance()->airportItemsOfType(apt->guid(),
1321 FGPositioned::PARKING);
1323 BOOST_FOREACH(PositionedID parking, parkings) {
1324 // filter out based on availability and type
1325 if (onlyAvailable && !dynamics->isParkingAvailable(parking)) {
1329 FGParking* park = dynamics->getParking(parking);
1330 if (!type.empty() && (park->getType() != type)) {
1334 const SGGeod& parkLoc = park->geod();
1335 naRef ph = naNewHash(c);
1336 hashset(c, ph, "name", stringToNasal(c, park->getName()));
1337 hashset(c, ph, "lat", naNum(parkLoc.getLatitudeDeg()));
1338 hashset(c, ph, "lon", naNum(parkLoc.getLongitudeDeg()));
1339 hashset(c, ph, "elevation", naNum(parkLoc.getElevationM()));
1340 naVec_append(r, ph);
1346 static naRef f_airport_getSid(naContext c, naRef me, int argc, naRef* args)
1348 FGAirport* apt = airportGhost(me);
1350 naRuntimeError(c, "airport.getSid called on non-airport object");
1353 if ((argc != 1) || !naIsString(args[0])) {
1354 naRuntimeError(c, "airport.getSid passed invalid argument");
1357 std::string ident = naStr_data(args[0]);
1358 return ghostForProcedure(c, apt->findSIDWithIdent(ident));
1361 static naRef f_airport_getStar(naContext c, naRef me, int argc, naRef* args)
1363 FGAirport* apt = airportGhost(me);
1365 naRuntimeError(c, "airport.getStar called on non-airport object");
1368 if ((argc != 1) || !naIsString(args[0])) {
1369 naRuntimeError(c, "airport.getStar passed invalid argument");
1372 std::string ident = naStr_data(args[0]);
1373 return ghostForProcedure(c, apt->findSTARWithIdent(ident));
1376 static naRef f_airport_getApproach(naContext c, naRef me, int argc, naRef* args)
1378 FGAirport* apt = airportGhost(me);
1380 naRuntimeError(c, "airport.getIAP called on non-airport object");
1383 if ((argc != 1) || !naIsString(args[0])) {
1384 naRuntimeError(c, "airport.getIAP passed invalid argument");
1387 std::string ident = naStr_data(args[0]);
1388 return ghostForProcedure(c, apt->findApproachWithIdent(ident));
1391 static naRef f_airport_toString(naContext c, naRef me, int argc, naRef* args)
1393 FGAirport* apt = airportGhost(me);
1395 naRuntimeError(c, "airport.tostring called on non-airport object");
1398 return stringToNasal(c, "an airport " + apt->ident());
1401 // Returns vector of data hash for navaid of a <type>, nil on error
1402 // navaids sorted by ascending distance
1403 // navinfo([<lat>,<lon>],[<type>],[<id>])
1404 // lat/lon (numeric): use latitude/longitude instead of ac position
1405 // type: ("fix"|"vor"|"ndb"|"ils"|"dme"|"tacan"|"any")
1406 // id: (partial) id of the fix
1408 // navinfo("vor") returns all vors
1409 // navinfo("HAM") return all navaids who's name start with "HAM"
1410 // navinfo("vor", "HAM") return all vor who's name start with "HAM"
1411 //navinfo(34,48,"vor","HAM") return all vor who's name start with "HAM"
1412 // sorted by distance relative to lat=34, lon=48
1413 static naRef f_navinfo(naContext c, naRef me, int argc, naRef* args)
1417 if(argc >= 2 && naIsNum(args[0]) && naIsNum(args[1])) {
1418 pos = SGGeod::fromDeg(args[1].num, args[0].num);
1422 pos = globals->get_aircraft_position();
1425 FGPositioned::Type type = FGPositioned::INVALID;
1426 nav_list_type navlist;
1427 const char * id = "";
1429 if(argc > 0 && naIsString(args[0])) {
1430 const char *s = naStr_data(args[0]);
1431 if(!strcmp(s, "any")) type = FGPositioned::INVALID;
1432 else if(!strcmp(s, "fix")) type = FGPositioned::FIX;
1433 else if(!strcmp(s, "vor")) type = FGPositioned::VOR;
1434 else if(!strcmp(s, "ndb")) type = FGPositioned::NDB;
1435 else if(!strcmp(s, "ils")) type = FGPositioned::ILS;
1436 else if(!strcmp(s, "dme")) type = FGPositioned::DME;
1437 else if(!strcmp(s, "tacan")) type = FGPositioned::TACAN;
1438 else id = s; // this is an id
1443 if(argc > 0 && naIsString(args[0])) {
1445 naRuntimeError(c, "navinfo() called with navaid id");
1448 id = naStr_data(args[0]);
1454 naRuntimeError(c, "navinfo() called with too many arguments");
1458 FGNavList::TypeFilter filter(type);
1459 navlist = FGNavList::findByIdentAndFreq( pos, id, 0.0, &filter );
1461 naRef reply = naNewVector(c);
1462 for( nav_list_type::const_iterator it = navlist.begin(); it != navlist.end(); ++it ) {
1463 naVec_append( reply, ghostForNavaid(c, *it) );
1468 static naRef f_findNavaidsWithinRange(naContext c, naRef me, int argc, naRef* args)
1471 SGGeod pos = globals->get_aircraft_position();
1472 argOffset += geodFromArgs(args, 0, argc, pos);
1474 if (!naIsNum(args[argOffset])) {
1475 naRuntimeError(c, "findNavaidsWithinRange expected range (in nm) as arg %d", argOffset);
1478 FGPositioned::Type type = FGPositioned::INVALID;
1479 double rangeNm = args[argOffset++].num;
1480 if (argOffset < argc) {
1481 type = FGPositioned::typeFromName(naStr_data(args[argOffset]));
1484 naRef r = naNewVector(c);
1485 FGNavList::TypeFilter filter(type);
1486 FGPositioned::List navs = FGPositioned::findWithinRange(pos, rangeNm, &filter);
1487 FGPositioned::sortByRange(navs, pos);
1489 BOOST_FOREACH(FGPositionedRef a, navs) {
1490 FGNavRecord* nav = (FGNavRecord*) a.get();
1491 naVec_append(r, ghostForNavaid(c, nav));
1497 static naRef f_findNavaidByFrequency(naContext c, naRef me, int argc, naRef* args)
1500 SGGeod pos = globals->get_aircraft_position();
1501 argOffset += geodFromArgs(args, 0, argc, pos);
1503 if (!naIsNum(args[argOffset])) {
1504 naRuntimeError(c, "findNavaidByFrequency expectes frequency (in Mhz) as arg %d", argOffset);
1507 FGPositioned::Type type = FGPositioned::INVALID;
1508 double freqMhz = args[argOffset++].num;
1509 if (argOffset < argc) {
1510 type = FGPositioned::typeFromName(naStr_data(args[argOffset]));
1513 FGNavList::TypeFilter filter(type);
1514 nav_list_type navs = FGNavList::findAllByFreq(freqMhz, pos, &filter);
1519 return ghostForNavaid(c, navs.front().ptr());
1522 static naRef f_findNavaidsByFrequency(naContext c, naRef me, int argc, naRef* args)
1525 SGGeod pos = globals->get_aircraft_position();
1526 argOffset += geodFromArgs(args, 0, argc, pos);
1528 if (!naIsNum(args[argOffset])) {
1529 naRuntimeError(c, "findNavaidsByFrequency expectes frequency (in Mhz) as arg %d", argOffset);
1532 FGPositioned::Type type = FGPositioned::INVALID;
1533 double freqMhz = args[argOffset++].num;
1534 if (argOffset < argc) {
1535 type = FGPositioned::typeFromName(naStr_data(args[argOffset]));
1538 naRef r = naNewVector(c);
1540 FGNavList::TypeFilter filter(type);
1541 nav_list_type navs = FGNavList::findAllByFreq(freqMhz, pos, &filter);
1543 BOOST_FOREACH(nav_rec_ptr a, navs) {
1544 naVec_append(r, ghostForNavaid(c, a.ptr()));
1550 static naRef f_findNavaidsByIdent(naContext c, naRef me, int argc, naRef* args)
1553 SGGeod pos = globals->get_aircraft_position();
1554 argOffset += geodFromArgs(args, 0, argc, pos);
1556 if (!naIsString(args[argOffset])) {
1557 naRuntimeError(c, "findNavaidsByIdent expectes ident string as arg %d", argOffset);
1560 FGPositioned::Type type = FGPositioned::INVALID;
1561 std::string ident = naStr_data(args[argOffset++]);
1562 if (argOffset < argc) {
1563 type = FGPositioned::typeFromName(naStr_data(args[argOffset]));
1566 FGNavList::TypeFilter filter(type);
1567 naRef r = naNewVector(c);
1568 nav_list_type navs = FGNavList::findByIdentAndFreq(pos, ident, 0.0, &filter);
1570 BOOST_FOREACH(nav_rec_ptr a, navs) {
1571 naVec_append(r, ghostForNavaid(c, a.ptr()));
1577 static naRef f_findFixesByIdent(naContext c, naRef me, int argc, naRef* args)
1580 SGGeod pos = globals->get_aircraft_position();
1581 argOffset += geodFromArgs(args, 0, argc, pos);
1583 if (!naIsString(args[argOffset])) {
1584 naRuntimeError(c, "findFixesByIdent expectes ident string as arg %d", argOffset);
1587 std::string ident(naStr_data(args[argOffset]));
1588 naRef r = naNewVector(c);
1590 FGPositioned::TypeFilter filter(FGPositioned::FIX);
1591 FGPositioned::List fixes = FGPositioned::findAllWithIdent(ident, &filter);
1592 FGPositioned::sortByRange(fixes, pos);
1594 BOOST_FOREACH(FGPositionedRef f, fixes) {
1595 naVec_append(r, ghostForFix(c, (FGFix*) f.ptr()));
1601 // Convert a cartesian point to a geodetic lat/lon/altitude.
1602 static naRef f_magvar(naContext c, naRef me, int argc, naRef* args)
1604 SGGeod pos = globals->get_aircraft_position();
1606 // fine, use aircraft position
1607 } else if (geodFromArgs(args, 0, argc, pos)) {
1610 naRuntimeError(c, "magvar() expects no arguments, a positioned hash or lat,lon pair");
1613 double jd = globals->get_time_params()->getJD();
1614 double magvarDeg = sgGetMagVar(pos, jd) * SG_RADIANS_TO_DEGREES;
1615 return naNum(magvarDeg);
1618 static naRef f_courseAndDistance(naContext c, naRef me, int argc, naRef* args)
1620 SGGeod from = globals->get_aircraft_position(), to, p;
1621 int argOffset = geodFromArgs(args, 0, argc, p);
1622 if (geodFromArgs(args, argOffset, argc, to)) {
1623 from = p; // we parsed both FROM and TO args, so first was from
1625 to = p; // only parsed one arg, so FROM is current
1628 if (argOffset == 0) {
1629 naRuntimeError(c, "invalid arguments to courseAndDistance");
1632 double course, course2, d;
1633 SGGeodesy::inverse(from, to, course, course2, d);
1635 naRef result = naNewVector(c);
1636 naVec_append(result, naNum(course));
1637 naVec_append(result, naNum(d * SG_METER_TO_NM));
1641 static naRef f_greatCircleMove(naContext c, naRef me, int argc, naRef* args)
1643 SGGeod from = globals->get_aircraft_position(), to;
1646 // complication - don't inerpret two doubles (as the only args)
1647 // as a lat,lon pair - only do so if we have at least three args.
1649 argOffset = geodFromArgs(args, 0, argc, from);
1652 if ((argOffset + 1) >= argc) {
1653 naRuntimeError(c, "isufficent arguments to greatCircleMove");
1656 if (!naIsNum(args[argOffset]) || !naIsNum(args[argOffset+1])) {
1657 naRuntimeError(c, "invalid arguments %d and %d to greatCircleMove",
1658 argOffset, argOffset + 1);
1661 double course = args[argOffset].num, course2;
1662 double distanceNm = args[argOffset + 1].num;
1663 SGGeodesy::direct(from, course, distanceNm * SG_NM_TO_METER, to, course2);
1666 naRef coord = naNewHash(c);
1667 hashset(c, coord, "lat", naNum(to.getLatitudeDeg()));
1668 hashset(c, coord, "lon", naNum(to.getLongitudeDeg()));
1672 static naRef f_tilePath(naContext c, naRef me, int argc, naRef* args)
1674 SGGeod pos = globals->get_aircraft_position();
1675 geodFromArgs(args, 0, argc, pos);
1677 return stringToNasal(c, b.gen_base_path());
1680 static naRef f_tileIndex(naContext c, naRef me, int argc, naRef* args)
1682 SGGeod pos = globals->get_aircraft_position();
1683 geodFromArgs(args, 0, argc, pos);
1685 return naNum(b.gen_index());
1688 static naRef f_route(naContext c, naRef me, int argc, naRef* args)
1691 FGRouteMgr* rm = static_cast<FGRouteMgr*>(globals->get_subsystem("route-manager"));
1692 return ghostForFlightPlan(c, rm->flightPlan());
1695 if ((argc > 0) && naIsString(args[0])) {
1696 flightgear::FlightPlan* fp = new flightgear::FlightPlan;
1697 SGPath path(naStr_data(args[0]));
1698 if (!path.exists()) {
1699 naRuntimeError(c, "flightplan, no file at path %s", path.c_str());
1702 if (!fp->load(path)) {
1703 SG_LOG(SG_NASAL, SG_WARN, "failed to load flight-plan from " << path);
1708 return ghostForFlightPlan(c, fp);
1711 naRuntimeError(c, "bad arguments to flightplan()");
1715 class NasalFPDelegate : public FlightPlan::Delegate
1718 NasalFPDelegate(FlightPlan* fp, FGNasalSys* sys, naRef ins) :
1723 SG_LOG(SG_NASAL, SG_INFO, "created Nasal delegate for " << fp);
1724 _gcSaveKey = _nasal->gcSave(ins);
1727 virtual ~NasalFPDelegate()
1729 SG_LOG(SG_NASAL, SG_INFO, "destroying Nasal delegate for " << _plan);
1730 _nasal->gcRelease(_gcSaveKey);
1733 virtual void departureChanged()
1735 callDelegateMethod("departureChanged");
1738 virtual void arrivalChanged()
1740 callDelegateMethod("arrivalChanged");
1743 virtual void waypointsChanged()
1745 callDelegateMethod("waypointsChanged");
1748 virtual void currentWaypointChanged()
1750 callDelegateMethod("currentWaypointChanged");
1753 virtual void cleared()
1755 callDelegateMethod("cleared");
1759 void callDelegateMethod(const char* method)
1762 naMember_cget(_nasal->context(), _instance, method, &f);
1764 return; // no method on the delegate
1768 arg[0] = ghostForFlightPlan(_nasal->context(), _plan);
1769 _nasal->callMethod(f, _instance, 1, arg, naNil());
1778 class NasalFPDelegateFactory : public FlightPlan::DelegateFactory
1781 NasalFPDelegateFactory(naRef code)
1783 _nasal = (FGNasalSys*) globals->get_subsystem("nasal");
1785 _gcSaveKey = _nasal->gcSave(_func);
1788 ~NasalFPDelegateFactory()
1790 _nasal->gcRelease(_gcSaveKey);
1793 virtual FlightPlan::Delegate* createFlightPlanDelegate(FlightPlan* fp)
1796 args[0] = ghostForFlightPlan(_nasal->context(), fp);
1797 naRef instance = _nasal->call(_func, 1, args, naNil());
1798 if (naIsNil(instance)) {
1802 return new NasalFPDelegate(fp, _nasal, instance);
1810 static naRef f_registerFPDelegate(naContext c, naRef me, int argc, naRef* args)
1812 if ((argc < 1) || !naIsFunc(args[0])) {
1813 naRuntimeError(c, "non-function argument to registerFlightPlanDelegate");
1816 NasalFPDelegateFactory* factory = new NasalFPDelegateFactory(args[0]);
1817 FlightPlan::registerDelegateFactory(factory);
1822 static WayptRef wayptFromArg(naRef arg)
1824 WayptRef r = wayptGhost(arg);
1829 FGPositioned* pos = positionedGhost(arg);
1831 // let's check if the arg is hash, coudl extra a geod and hence build
1832 // a simple waypoint
1837 // special-case for runways
1838 if (pos->type() == FGPositioned::RUNWAY) {
1839 return new RunwayWaypt((FGRunway*) pos, NULL);
1842 return new NavaidWaypoint(pos, NULL);
1845 static naRef convertWayptVecToNasal(naContext c, const WayptVec& wps)
1847 naRef result = naNewVector(c);
1848 BOOST_FOREACH(WayptRef wpt, wps) {
1849 naVec_append(result, ghostForWaypt(c, wpt.get()));
1854 static naRef f_airwaySearch(naContext c, naRef me, int argc, naRef* args)
1857 naRuntimeError(c, "airwaysSearch needs at least two arguments");
1860 WayptRef start = wayptFromArg(args[0]),
1861 end = wayptFromArg(args[1]);
1863 if (!start || !end) {
1864 SG_LOG(SG_NASAL, SG_WARN, "airwaysSearch: start or end points are invalid");
1868 bool highLevel = true;
1869 if ((argc > 2) && naIsString(args[2])) {
1870 if (!strcmp(naStr_data(args[2]), "lowlevel")) {
1877 Airway::highLevel()->route(start, end, route);
1879 Airway::lowLevel()->route(start, end, route);
1882 return convertWayptVecToNasal(c, route);
1885 static naRef f_createWP(naContext c, naRef me, int argc, naRef* args)
1888 int argOffset = geodFromArgs(args, 0, argc, pos);
1890 if (((argc - argOffset) < 1) || !naIsString(args[argOffset])) {
1891 naRuntimeError(c, "createWP: no identifier supplied");
1894 std::string ident = naStr_data(args[argOffset++]);
1895 WayptRef wpt = new BasicWaypt(pos, ident, NULL);
1897 // set waypt flags - approach, departure, pseudo, etc
1898 if (argc > argOffset) {
1899 WayptFlag f = wayptFlagFromString(naStr_data(args[argOffset++]));
1903 return ghostForWaypt(c, wpt);
1906 static naRef f_createWPFrom(naContext c, naRef me, int argc, naRef* args)
1909 naRuntimeError(c, "createWPFrom: need at least one argument");
1912 FGPositioned* positioned = positionedGhost(args[0]);
1914 naRuntimeError(c, "createWPFrom: couldn;t convert arg[0] to FGPositioned");
1918 if (positioned->type() == FGPositioned::RUNWAY) {
1919 wpt = new RunwayWaypt((FGRunway*) positioned, NULL);
1921 wpt = new NavaidWaypoint(positioned, NULL);
1924 // set waypt flags - approach, departure, pseudo, etc
1926 WayptFlag f = wayptFlagFromString(naStr_data(args[1]));
1930 return ghostForWaypt(c, wpt);
1933 static naRef f_flightplan_getWP(naContext c, naRef me, int argc, naRef* args)
1935 FlightPlan* fp = flightplanGhost(me);
1937 naRuntimeError(c, "flightplan.getWP called on non-flightplan object");
1942 index = fp->currentIndex();
1944 index = (int) naNumValue(args[0]).num;
1947 if ((index < 0) || (index >= fp->numLegs())) {
1951 return ghostForLeg(c, fp->legAtIndex(index));
1954 static naRef f_flightplan_currentWP(naContext c, naRef me, int argc, naRef* args)
1956 FlightPlan* fp = flightplanGhost(me);
1958 naRuntimeError(c, "flightplan.currentWP called on non-flightplan object");
1960 return ghostForLeg(c, fp->currentLeg());
1963 static naRef f_flightplan_nextWP(naContext c, naRef me, int argc, naRef* args)
1965 FlightPlan* fp = flightplanGhost(me);
1967 naRuntimeError(c, "flightplan.nextWP called on non-flightplan object");
1969 return ghostForLeg(c, fp->nextLeg());
1972 static naRef f_flightplan_numWaypoints(naContext c, naRef me, int argc, naRef* args)
1974 FlightPlan* fp = flightplanGhost(me);
1976 naRuntimeError(c, "flightplan.numWaypoints called on non-flightplan object");
1978 return naNum(fp->numLegs());
1981 static naRef f_flightplan_appendWP(naContext c, naRef me, int argc, naRef* args)
1983 FlightPlan* fp = flightplanGhost(me);
1985 naRuntimeError(c, "flightplan.appendWP called on non-flightplan object");
1988 WayptRef wp = wayptGhost(args[0]);
1989 int index = fp->numLegs();
1990 fp->insertWayptAtIndex(wp.get(), index);
1991 return naNum(index);
1994 static naRef f_flightplan_insertWP(naContext c, naRef me, int argc, naRef* args)
1996 FlightPlan* fp = flightplanGhost(me);
1998 naRuntimeError(c, "flightplan.insertWP called on non-flightplan object");
2001 WayptRef wp = wayptGhost(args[0]);
2002 int index = -1; // append
2003 if ((argc > 1) && naIsNum(args[1])) {
2004 index = (int) args[1].num;
2007 fp->insertWayptAtIndex(wp.get(), index);
2011 static naRef f_flightplan_insertWPAfter(naContext c, naRef me, int argc, naRef* args)
2013 FlightPlan* fp = flightplanGhost(me);
2015 naRuntimeError(c, "flightplan.insertWPAfter called on non-flightplan object");
2018 WayptRef wp = wayptGhost(args[0]);
2019 int index = -1; // append
2020 if ((argc > 1) && naIsNum(args[1])) {
2021 index = (int) args[1].num;
2024 fp->insertWayptAtIndex(wp.get(), index + 1);
2028 static naRef f_flightplan_insertWaypoints(naContext c, naRef me, int argc, naRef* args)
2030 FlightPlan* fp = flightplanGhost(me);
2032 naRuntimeError(c, "flightplan.insertWaypoints called on non-flightplan object");
2036 if (!naIsVector(args[0])) {
2037 naRuntimeError(c, "flightplan.insertWaypoints expects vector as first arg");
2040 int count = naVec_size(args[0]);
2041 for (int i=0; i<count; ++i) {
2042 Waypt* wp = wayptGhost(naVec_get(args[0], i));
2048 int index = -1; // append
2049 if ((argc > 1) && naIsNum(args[1])) {
2050 index = (int) args[1].num;
2053 fp->insertWayptsAtIndex(wps, index);
2057 static naRef f_flightplan_deleteWP(naContext c, naRef me, int argc, naRef* args)
2059 FlightPlan* fp = flightplanGhost(me);
2061 naRuntimeError(c, "flightplan.deleteWP called on non-flightplan object");
2064 if ((argc < 1) || !naIsNum(args[0])) {
2065 naRuntimeError(c, "bad argument to flightplan.deleteWP");
2068 int index = (int) args[0].num;
2069 fp->deleteIndex(index);
2073 static naRef f_flightplan_clearPlan(naContext c, naRef me, int argc, naRef* args)
2075 FlightPlan* fp = flightplanGhost(me);
2077 naRuntimeError(c, "flightplan.clearPlan called on non-flightplan object");
2084 static naRef f_flightplan_clearWPType(naContext c, naRef me, int argc, naRef* args)
2086 FlightPlan* fp = flightplanGhost(me);
2088 naRuntimeError(c, "flightplan.clearWPType called on non-flightplan object");
2092 naRuntimeError(c, "insufficent args to flightplan.clearWPType");
2095 WayptFlag flag = wayptFlagFromString(naStr_data(args[0]));
2096 fp->clearWayptsWithFlag(flag);
2100 static naRef f_flightplan_clone(naContext c, naRef me, int argc, naRef* args)
2102 FlightPlan* fp = flightplanGhost(me);
2104 naRuntimeError(c, "flightplan.clone called on non-flightplan object");
2107 return ghostForFlightPlan(c, fp->clone());
2110 static naRef f_flightplan_pathGeod(naContext c, naRef me, int argc, naRef* args)
2112 FlightPlan* fp = flightplanGhost(me);
2114 naRuntimeError(c, "flightplan.clone called on non-flightplan object");
2117 if ((argc < 1) || !naIsNum(args[0])) {
2118 naRuntimeError(c, "bad argument to flightplan.pathGeod");
2121 if ((argc > 1) && !naIsNum(args[1])) {
2122 naRuntimeError(c, "bad argument to flightplan.pathGeod");
2125 int index = (int) args[0].num;
2126 double offset = (argc > 1) ? args[1].num : 0.0;
2127 naRef result = naNewHash(c);
2128 SGGeod g = fp->pointAlongRoute(index, offset);
2129 hashset(c, result, "lat", naNum(g.getLatitudeDeg()));
2130 hashset(c, result, "lon", naNum(g.getLongitudeDeg()));
2135 static naRef f_leg_setSpeed(naContext c, naRef me, int argc, naRef* args)
2137 FlightPlan::Leg* leg = fpLegGhost(me);
2139 naRuntimeError(c, "leg.setSpeed called on non-flightplan-leg object");
2143 naRuntimeError(c, "bad arguments to leg.setSpeed");
2146 RouteRestriction rr = routeRestrictionFromString(naStr_data(args[1]));
2147 leg->setSpeed(rr, args[0].num);
2151 static naRef f_leg_setAltitude(naContext c, naRef me, int argc, naRef* args)
2153 FlightPlan::Leg* leg = fpLegGhost(me);
2155 naRuntimeError(c, "leg.setAltitude called on non-flightplan-leg object");
2159 naRuntimeError(c, "bad arguments to leg.setAltitude");
2162 RouteRestriction rr = routeRestrictionFromString(naStr_data(args[1]));
2163 leg->setAltitude(rr, args[0].num);
2167 static naRef f_leg_path(naContext c, naRef me, int argc, naRef* args)
2169 FlightPlan::Leg* leg = fpLegGhost(me);
2171 naRuntimeError(c, "leg.setAltitude called on non-flightplan-leg object");
2174 RoutePath path(leg->owner());
2175 SGGeodVec gv(path.pathForIndex(leg->index()));
2177 naRef result = naNewVector(c);
2178 BOOST_FOREACH(SGGeod p, gv) {
2179 // construct a geo.Coord!
2180 naRef coord = naNewHash(c);
2181 hashset(c, coord, "lat", naNum(p.getLatitudeDeg()));
2182 hashset(c, coord, "lon", naNum(p.getLongitudeDeg()));
2183 naVec_append(result, coord);
2189 static naRef f_leg_courseAndDistanceFrom(naContext c, naRef me, int argc, naRef* args)
2191 FlightPlan::Leg* leg = fpLegGhost(me);
2193 naRuntimeError(c, "leg.courseAndDistanceFrom called on non-flightplan-leg object");
2197 geodFromArgs(args, 0, argc, pos);
2201 boost::tie(courseDeg, distanceM) = leg->waypoint()->courseAndDistanceFrom(pos);
2203 naRef result = naNewVector(c);
2204 naVec_append(result, naNum(courseDeg));
2205 naVec_append(result, naNum(distanceM * SG_METER_TO_NM));
2209 static naRef f_waypoint_navaid(naContext c, naRef me, int argc, naRef* args)
2211 flightgear::Waypt* w = wayptGhost(me);
2213 naRuntimeError(c, "waypoint.navaid called on non-waypoint object");
2216 FGPositioned* pos = w->source();
2221 switch (pos->type()) {
2222 case FGPositioned::VOR:
2223 case FGPositioned::NDB:
2224 case FGPositioned::ILS:
2225 case FGPositioned::LOC:
2226 case FGPositioned::GS:
2227 case FGPositioned::DME:
2228 case FGPositioned::TACAN: {
2229 FGNavRecord* nav = (FGNavRecord*) pos;
2230 return ghostForNavaid(c, nav);
2238 static naRef f_waypoint_airport(naContext c, naRef me, int argc, naRef* args)
2240 flightgear::Waypt* w = wayptGhost(me);
2242 naRuntimeError(c, "waypoint.navaid called on non-waypoint object");
2245 FGPositioned* pos = w->source();
2246 if (!pos || FGAirport::isAirportType(pos)) {
2250 return ghostForAirport(c, (FGAirport*) pos);
2253 static naRef f_waypoint_runway(naContext c, naRef me, int argc, naRef* args)
2255 flightgear::Waypt* w = wayptGhost(me);
2257 naRuntimeError(c, "waypoint.navaid called on non-waypoint object");
2260 FGPositioned* pos = w->source();
2261 if (!pos || (pos->type() != FGPositioned::RUNWAY)) {
2265 return ghostForRunway(c, (FGRunway*) pos);
2268 static naRef f_procedure_transition(naContext c, naRef me, int argc, naRef* args)
2270 Procedure* proc = procedureGhost(me);
2272 naRuntimeError(c, "procedure.transition called on non-procedure object");
2275 if ((proc->type() != PROCEDURE_SID) && (proc->type() != PROCEDURE_STAR)) {
2276 naRuntimeError(c, "procedure.transition called on non-SID or -STAR");
2279 ArrivalDeparture* ad = (ArrivalDeparture*) proc;
2280 Transition* trans = ad->findTransitionByName(naStr_data(args[0]));
2282 return ghostForProcedure(c, trans);
2285 static naRef f_procedure_route(naContext c, naRef me, int argc, naRef* args)
2287 Procedure* proc = procedureGhost(me);
2289 naRuntimeError(c, "procedure.route called on non-procedure object");
2292 // wrapping up tow different routines here - approach routing from the IAF
2293 // to the associated runway, and SID/STAR routing via an enroute transition
2294 // and possibly a runway transition or not.
2295 if (Approach::isApproach(proc->type())) {
2298 iaf = wayptFromArg(args[0]);
2302 Approach* app = (Approach*) proc;
2303 if (!app->route(iaf, r)) {
2304 SG_LOG(SG_NASAL, SG_WARN, "procedure.route failed for Approach somehow");
2308 return convertWayptVecToNasal(c, r);
2309 } else if ((proc->type() != PROCEDURE_SID) && (proc->type() != PROCEDURE_STAR)) {
2310 naRuntimeError(c, "procedure.route called on unsuitable procedure type");
2314 FGRunway* rwy = runwayGhost(args[0]);
2315 if (rwy) ++argOffset;
2317 ArrivalDeparture* ad = (ArrivalDeparture*) proc;
2318 Transition* trans = NULL;
2319 if (argOffset < argc) {
2320 trans = (Transition*) procedureGhost(args[argOffset]);
2323 // note either runway or trans may be NULL - that's ok
2325 if (!ad->route(rwy, trans, r)) {
2326 SG_LOG(SG_NASAL, SG_WARN, "prcoedure.route failed for ArrvialDeparture somehow");
2330 return convertWayptVecToNasal(c, r);
2334 // Table of extension functions. Terminate with zeros.
2335 static struct { const char* name; naCFunction func; } funcs[] = {
2336 { "carttogeod", f_carttogeod },
2337 { "geodtocart", f_geodtocart },
2338 { "geodinfo", f_geodinfo },
2339 { "airportinfo", f_airportinfo },
2340 { "findAirportsWithinRange", f_findAirportsWithinRange },
2341 { "findAirportsByICAO", f_findAirportsByICAO },
2342 { "navinfo", f_navinfo },
2343 { "findNavaidsWithinRange", f_findNavaidsWithinRange },
2344 { "findNavaidByFrequency", f_findNavaidByFrequency },
2345 { "findNavaidsByFrequency", f_findNavaidsByFrequency },
2346 { "findNavaidsByID", f_findNavaidsByIdent },
2347 { "findFixesByID", f_findFixesByIdent },
2348 { "flightplan", f_route },
2349 { "registerFlightPlanDelegate", f_registerFPDelegate },
2350 { "createWP", f_createWP },
2351 { "createWPFrom", f_createWPFrom },
2352 { "airwaysRoute", f_airwaySearch },
2353 { "magvar", f_magvar },
2354 { "courseAndDistance", f_courseAndDistance },
2355 { "greatCircleMove", f_greatCircleMove },
2356 { "tileIndex", f_tileIndex },
2357 { "tilePath", f_tilePath },
2362 naRef initNasalPositioned(naRef globals, naContext c, naRef gcSave)
2364 airportPrototype = naNewHash(c);
2365 hashset(c, gcSave, "airportProto", airportPrototype);
2367 hashset(c, airportPrototype, "runway", naNewFunc(c, naNewCCode(c, f_airport_runway)));
2368 hashset(c, airportPrototype, "runwaysWithoutReciprocals", naNewFunc(c, naNewCCode(c, f_airport_runwaysWithoutReciprocals)));
2369 hashset(c, airportPrototype, "helipad", naNewFunc(c, naNewCCode(c, f_airport_runway)));
2370 hashset(c, airportPrototype, "tower", naNewFunc(c, naNewCCode(c, f_airport_tower)));
2371 hashset(c, airportPrototype, "comms", naNewFunc(c, naNewCCode(c, f_airport_comms)));
2372 hashset(c, airportPrototype, "sids", naNewFunc(c, naNewCCode(c, f_airport_sids)));
2373 hashset(c, airportPrototype, "stars", naNewFunc(c, naNewCCode(c, f_airport_stars)));
2374 hashset(c, airportPrototype, "getApproachList", naNewFunc(c, naNewCCode(c, f_airport_approaches)));
2375 hashset(c, airportPrototype, "parking", naNewFunc(c, naNewCCode(c, f_airport_parking)));
2376 hashset(c, airportPrototype, "getSid", naNewFunc(c, naNewCCode(c, f_airport_getSid)));
2377 hashset(c, airportPrototype, "getStar", naNewFunc(c, naNewCCode(c, f_airport_getStar)));
2378 hashset(c, airportPrototype, "getIAP", naNewFunc(c, naNewCCode(c, f_airport_getApproach)));
2379 hashset(c, airportPrototype, "tostring", naNewFunc(c, naNewCCode(c, f_airport_toString)));
2381 flightplanPrototype = naNewHash(c);
2382 hashset(c, gcSave, "flightplanProto", flightplanPrototype);
2384 hashset(c, flightplanPrototype, "getWP", naNewFunc(c, naNewCCode(c, f_flightplan_getWP)));
2385 hashset(c, flightplanPrototype, "currentWP", naNewFunc(c, naNewCCode(c, f_flightplan_currentWP)));
2386 hashset(c, flightplanPrototype, "nextWP", naNewFunc(c, naNewCCode(c, f_flightplan_nextWP)));
2387 hashset(c, flightplanPrototype, "getPlanSize", naNewFunc(c, naNewCCode(c, f_flightplan_numWaypoints)));
2388 hashset(c, flightplanPrototype, "appendWP", naNewFunc(c, naNewCCode(c, f_flightplan_appendWP)));
2389 hashset(c, flightplanPrototype, "insertWP", naNewFunc(c, naNewCCode(c, f_flightplan_insertWP)));
2390 hashset(c, flightplanPrototype, "deleteWP", naNewFunc(c, naNewCCode(c, f_flightplan_deleteWP)));
2391 hashset(c, flightplanPrototype, "insertWPAfter", naNewFunc(c, naNewCCode(c, f_flightplan_insertWPAfter)));
2392 hashset(c, flightplanPrototype, "insertWaypoints", naNewFunc(c, naNewCCode(c, f_flightplan_insertWaypoints)));
2393 hashset(c, flightplanPrototype, "cleanPlan", naNewFunc(c, naNewCCode(c, f_flightplan_clearPlan)));
2394 hashset(c, flightplanPrototype, "clearWPType", naNewFunc(c, naNewCCode(c, f_flightplan_clearWPType)));
2395 hashset(c, flightplanPrototype, "clone", naNewFunc(c, naNewCCode(c, f_flightplan_clone)));
2396 hashset(c, flightplanPrototype, "pathGeod", naNewFunc(c, naNewCCode(c, f_flightplan_pathGeod)));
2398 waypointPrototype = naNewHash(c);
2399 hashset(c, gcSave, "wayptProto", waypointPrototype);
2401 hashset(c, waypointPrototype, "navaid", naNewFunc(c, naNewCCode(c, f_waypoint_navaid)));
2402 hashset(c, waypointPrototype, "runway", naNewFunc(c, naNewCCode(c, f_waypoint_runway)));
2403 hashset(c, waypointPrototype, "airport", naNewFunc(c, naNewCCode(c, f_waypoint_airport)));
2405 procedurePrototype = naNewHash(c);
2406 hashset(c, gcSave, "procedureProto", procedurePrototype);
2407 hashset(c, procedurePrototype, "transition", naNewFunc(c, naNewCCode(c, f_procedure_transition)));
2408 hashset(c, procedurePrototype, "route", naNewFunc(c, naNewCCode(c, f_procedure_route)));
2410 fpLegPrototype = naNewHash(c);
2411 hashset(c, gcSave, "fpLegProto", fpLegPrototype);
2412 hashset(c, fpLegPrototype, "setSpeed", naNewFunc(c, naNewCCode(c, f_leg_setSpeed)));
2413 hashset(c, fpLegPrototype, "setAltitude", naNewFunc(c, naNewCCode(c, f_leg_setAltitude)));
2414 hashset(c, fpLegPrototype, "path", naNewFunc(c, naNewCCode(c, f_leg_path)));
2415 hashset(c, fpLegPrototype, "courseAndDistanceFrom", naNewFunc(c, naNewCCode(c, f_leg_courseAndDistanceFrom)));
2417 for(int i=0; funcs[i].name; i++) {
2418 hashset(c, globals, funcs[i].name,
2419 naNewFunc(c, naNewCCode(c, funcs[i].func)));
2425 void postinitNasalPositioned(naRef globals, naContext c)
2427 naRef geoModule = naHash_cget(globals, (char*) "geo");
2428 if (naIsNil(geoModule)) {
2429 SG_LOG(SG_GENERAL, SG_WARN, "postinitNasalPositioned: geo.nas not loaded");
2433 geoCoordClass = naHash_cget(geoModule, (char*) "Coord");