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") || !strcmp(fieldName, "id")) *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") || !strcmp(fieldName, "lat")) *out = naNum(wpt->position().getLatitudeDeg());
422 else if (!strcmp(fieldName, "wp_lon") || !strcmp(fieldName, "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 naVec_append(*out, waypointPrototype);
501 } else if (!strcmp(fieldName, "index")) {
502 *out = naNum(leg->index());
503 } else if (!strcmp(fieldName, "alt_cstr")) {
504 *out = naNum(leg->altitudeFt());
505 } else if (!strcmp(fieldName, "alt_cstr_type")) {
506 *out = routeRestrictionToNasal(c, leg->altitudeRestriction());
507 } else if (!strcmp(fieldName, "speed_cstr")) {
508 double s = isMachRestrict(leg->speedRestriction()) ? leg->speedMach() : leg->speedKts();
510 } else if (!strcmp(fieldName, "speed_cstr_type")) {
511 *out = routeRestrictionToNasal(c, leg->speedRestriction());
512 } else if (!strcmp(fieldName, "leg_distance")) {
513 *out = naNum(leg->distanceNm());
514 } else if (!strcmp(fieldName, "leg_bearing")) {
515 *out = naNum(leg->courseDeg());
516 } else if (!strcmp(fieldName, "distance_along_route")) {
517 *out = naNum(leg->distanceAlongRoute());
518 } else { // check for fields defined on the underlying waypoint
519 return waypointCommonGetMember(c, wpt, fieldName, out);
522 return ""; // success
525 static void waypointGhostSetMember(naContext c, void* g, naRef field, naRef value)
527 const char* fieldName = naStr_data(field);
528 Waypt* wpt = (Waypt*) g;
529 waypointCommonSetMember(c, wpt, fieldName, value);
532 static void legGhostSetMember(naContext c, void* g, naRef field, naRef value)
534 const char* fieldName = naStr_data(field);
535 FlightPlan::Leg* leg = (FlightPlan::Leg*) g;
537 waypointCommonSetMember(c, leg->waypoint(), fieldName, value);
540 static const char* flightplanGhostGetMember(naContext c, void* g, naRef field, naRef* out)
542 const char* fieldName = naStr_data(field);
543 FlightPlan* fp = (FlightPlan*) g;
545 if (!strcmp(fieldName, "parents")) {
546 *out = naNewVector(c);
547 naVec_append(*out, flightplanPrototype);
548 } else if (!strcmp(fieldName, "id")) *out = stringToNasal(c, fp->ident());
549 else if (!strcmp(fieldName, "departure")) *out = ghostForAirport(c, fp->departureAirport());
550 else if (!strcmp(fieldName, "destination")) *out = ghostForAirport(c, fp->destinationAirport());
551 else if (!strcmp(fieldName, "departure_runway")) *out = ghostForRunway(c, fp->departureRunway());
552 else if (!strcmp(fieldName, "destination_runway")) *out = ghostForRunway(c, fp->destinationRunway());
553 else if (!strcmp(fieldName, "sid")) *out = ghostForProcedure(c, fp->sid());
554 else if (!strcmp(fieldName, "sid_trans")) *out = ghostForProcedure(c, fp->sidTransition());
555 else if (!strcmp(fieldName, "star")) *out = ghostForProcedure(c, fp->star());
556 else if (!strcmp(fieldName, "star_trans")) *out = ghostForProcedure(c, fp->starTransition());
557 else if (!strcmp(fieldName, "approach")) *out = ghostForProcedure(c, fp->approach());
558 else if (!strcmp(fieldName, "current")) *out = naNum(fp->currentIndex());
566 static void flightplanGhostSetMember(naContext c, void* g, naRef field, naRef value)
568 const char* fieldName = naStr_data(field);
569 FlightPlan* fp = (FlightPlan*) g;
571 if (!strcmp(fieldName, "id")) {
572 if (!naIsString(value)) naRuntimeError(c, "flightplan.id must be a string");
573 fp->setIdent(naStr_data(value));
574 } else if (!strcmp(fieldName, "current")) {
575 int index = value.num;
576 if ((index < 0) || (index >= fp->numLegs())) {
579 fp->setCurrentIndex(index);
580 } else if (!strcmp(fieldName, "departure")) {
581 FGAirport* apt = airportGhost(value);
583 fp->setDeparture(apt);
587 FGRunway* rwy = runwayGhost(value);
589 fp->setDeparture(rwy);
593 if (naIsNil(value)) {
594 fp->setDeparture(static_cast<FGAirport*>(NULL));
598 naRuntimeError(c, "bad argument type setting departure");
599 } else if (!strcmp(fieldName, "destination")) {
600 FGAirport* apt = airportGhost(value);
602 fp->setDestination(apt);
606 FGRunway* rwy = runwayGhost(value);
608 fp->setDestination(rwy);
612 naRuntimeError(c, "bad argument type setting destination");
613 } else if (!strcmp(fieldName, "departure_runway")) {
614 FGRunway* rwy = runwayGhost(value);
616 fp->setDeparture(rwy);
620 naRuntimeError(c, "bad argument type setting departure runway");
621 } else if (!strcmp(fieldName, "destination_runway")) {
622 FGRunway* rwy = runwayGhost(value);
624 fp->setDestination(rwy);
628 naRuntimeError(c, "bad argument type setting destination runway");
629 } else if (!strcmp(fieldName, "sid")) {
630 Procedure* proc = procedureGhost(value);
631 if (proc && (proc->type() == PROCEDURE_SID)) {
632 fp->setSID((flightgear::SID*) proc);
635 // allow a SID transition to be set, implicitly include the SID itself
636 if (proc && (proc->type() == PROCEDURE_TRANSITION)) {
637 fp->setSID((Transition*) proc);
641 if (naIsString(value)) {
642 FGAirport* apt = fp->departureAirport();
643 fp->setSID(apt->findSIDWithIdent(naStr_data(value)));
647 naRuntimeError(c, "bad argument type setting SID");
648 } else if (!strcmp(fieldName, "star")) {
649 Procedure* proc = procedureGhost(value);
650 if (proc && (proc->type() == PROCEDURE_STAR)) {
651 fp->setSTAR((STAR*) proc);
655 if (proc && (proc->type() == PROCEDURE_TRANSITION)) {
656 fp->setSTAR((Transition*) proc);
660 if (naIsString(value)) {
661 FGAirport* apt = fp->destinationAirport();
662 fp->setSTAR(apt->findSTARWithIdent(naStr_data(value)));
666 naRuntimeError(c, "bad argument type setting STAR");
667 } else if (!strcmp(fieldName, "approach")) {
668 Procedure* proc = procedureGhost(value);
669 if (proc && Approach::isApproach(proc->type())) {
670 fp->setApproach((Approach*) proc);
674 if (naIsString(value)) {
675 FGAirport* apt = fp->destinationAirport();
676 fp->setApproach(apt->findApproachWithIdent(naStr_data(value)));
680 naRuntimeError(c, "bad argument type setting approach");
685 static naRef procedureTpType(naContext c, ProcedureType ty)
688 case PROCEDURE_SID: return stringToNasal(c, "sid");
689 case PROCEDURE_STAR: return stringToNasal(c, "star");
690 case PROCEDURE_APPROACH_VOR:
691 case PROCEDURE_APPROACH_ILS:
692 case PROCEDURE_APPROACH_RNAV:
693 case PROCEDURE_APPROACH_NDB:
694 return stringToNasal(c, "IAP");
700 static naRef procedureRadioType(naContext c, ProcedureType ty)
703 case PROCEDURE_APPROACH_VOR: return stringToNasal(c, "VOR");
704 case PROCEDURE_APPROACH_ILS: return stringToNasal(c, "ILS");
705 case PROCEDURE_APPROACH_RNAV: return stringToNasal(c, "RNAV");
706 case PROCEDURE_APPROACH_NDB: return stringToNasal(c, "NDB");
712 static const char* procedureGhostGetMember(naContext c, void* g, naRef field, naRef* out)
714 const char* fieldName = naStr_data(field);
715 Procedure* proc = (Procedure*) g;
717 if (!strcmp(fieldName, "parents")) {
718 *out = naNewVector(c);
719 naVec_append(*out, procedurePrototype);
720 } else if (!strcmp(fieldName, "id")) *out = stringToNasal(c, proc->ident());
721 else if (!strcmp(fieldName, "airport")) *out = ghostForAirport(c, proc->airport());
722 else if (!strcmp(fieldName, "tp_type")) *out = procedureTpType(c, proc->type());
723 else if (!strcmp(fieldName, "radio")) *out = procedureRadioType(c, proc->type());
724 else if (!strcmp(fieldName, "runways")) {
725 *out = naNewVector(c);
726 BOOST_FOREACH(FGRunwayRef rwy, proc->runways()) {
727 naVec_append(*out, stringToNasal(c, rwy->ident()));
729 } else if (!strcmp(fieldName, "transitions")) {
730 if ((proc->type() != PROCEDURE_SID) && (proc->type() != PROCEDURE_STAR)) {
735 ArrivalDeparture* ad = static_cast<ArrivalDeparture*>(proc);
736 *out = naNewVector(c);
737 BOOST_FOREACH(std::string id, ad->transitionIdents()) {
738 naVec_append(*out, stringToNasal(c, id));
747 static const char* runwayGhostGetMember(naContext c, void* g, naRef field, naRef* out)
749 const char* fieldName = naStr_data(field);
750 FGRunwayBase* base = (FGRunwayBase*) g;
752 if (!strcmp(fieldName, "id")) *out = stringToNasal(c, base->ident());
753 else if (!strcmp(fieldName, "lat")) *out = naNum(base->latitude());
754 else if (!strcmp(fieldName, "lon")) *out = naNum(base->longitude());
755 else if (!strcmp(fieldName, "heading")) *out = naNum(base->headingDeg());
756 else if (!strcmp(fieldName, "length")) *out = naNum(base->lengthM());
757 else if (!strcmp(fieldName, "width")) *out = naNum(base->widthM());
758 else if (!strcmp(fieldName, "surface")) *out = naNum(base->surface());
759 else if (base->type() == FGRunwayBase::RUNWAY) {
760 FGRunway* rwy = (FGRunway*) g;
761 if (!strcmp(fieldName, "threshold")) *out = naNum(rwy->displacedThresholdM());
762 else if (!strcmp(fieldName, "stopway")) *out = naNum(rwy->stopwayM());
763 else if (!strcmp(fieldName, "reciprocal")) {
764 *out = ghostForRunway(c, rwy->reciprocalRunway());
765 } else if (!strcmp(fieldName, "ils_frequency_mhz")) {
766 *out = rwy->ILS() ? naNum(rwy->ILS()->get_freq() / 100.0) : naNil();
767 } else if (!strcmp(fieldName, "ils")) {
768 *out = ghostForNavaid(c, rwy->ILS());
779 static const char* navaidGhostGetMember(naContext c, void* g, naRef field, naRef* out)
781 const char* fieldName = naStr_data(field);
782 FGNavRecord* nav = (FGNavRecord*) g;
784 if (!strcmp(fieldName, "id")) *out = stringToNasal(c, nav->ident());
785 else if (!strcmp(fieldName, "name")) *out = stringToNasal(c, nav->name());
786 else if (!strcmp(fieldName, "lat")) *out = naNum(nav->get_lat());
787 else if (!strcmp(fieldName, "lon")) *out = naNum(nav->get_lon());
788 else if (!strcmp(fieldName, "elevation")) {
789 *out = naNum(nav->get_elev_ft() * SG_FEET_TO_METER);
790 } else if (!strcmp(fieldName, "type")) {
791 *out = stringToNasal(c, nav->nameForType(nav->type()));
792 } else if (!strcmp(fieldName, "frequency")) {
793 *out = naNum(nav->get_freq());
794 } else if (!strcmp(fieldName, "range_nm")) {
795 *out = naNum(nav->get_range());
796 } else if (!strcmp(fieldName, "course")) {
797 if ((nav->type() == FGPositioned::ILS) || (nav->type() == FGPositioned::LOC)) {
798 double radial = nav->get_multiuse();
799 SG_NORMALIZE_RANGE(radial, 0.0, 360.0);
800 *out = naNum(radial);
811 static const char* fixGhostGetMember(naContext c, void* g, naRef field, naRef* out)
813 const char* fieldName = naStr_data(field);
814 FGFix* fix = (FGFix*) g;
816 if (!strcmp(fieldName, "id")) *out = stringToNasal(c, fix->ident());
817 else if (!strcmp(fieldName, "lat")) *out = naNum(fix->get_lat());
818 else if (!strcmp(fieldName, "lon")) *out = naNum(fix->get_lon());
826 static bool hashIsCoord(naRef h)
828 naRef parents = naHash_cget(h, (char*) "parents");
829 if (!naIsVector(parents)) {
833 return naEqual(naVec_get(parents, 0), geoCoordClass) != 0;
836 bool geodFromHash(naRef ref, SGGeod& result)
838 if (!naIsHash(ref)) {
843 // check for manual latitude / longitude names
844 naRef lat = naHash_cget(ref, (char*) "lat");
845 naRef lon = naHash_cget(ref, (char*) "lon");
846 if (naIsNum(lat) && naIsNum(lon)) {
847 result = SGGeod::fromDeg(naNumValue(lon).num, naNumValue(lat).num);
851 if (hashIsCoord(ref)) {
852 naRef lat = naHash_cget(ref, (char*) "_lat");
853 naRef lon = naHash_cget(ref, (char*) "_lon");
854 if (naIsNum(lat) && naIsNum(lon)) {
855 result = SGGeod::fromRad(naNumValue(lon).num, naNumValue(lat).num);
860 // check for any synonyms?
861 // latitude + longitude?
866 static int geodFromArgs(naRef* args, int offset, int argc, SGGeod& result)
868 if (offset >= argc) {
872 if (naIsGhost(args[offset])) {
873 naGhostType* gt = naGhost_type(args[offset]);
874 if (gt == &AirportGhostType) {
875 result = airportGhost(args[offset])->geod();
879 if (gt == &NavaidGhostType) {
880 result = navaidGhost(args[offset])->geod();
884 if (gt == &RunwayGhostType) {
885 result = runwayGhost(args[offset])->geod();
889 if (gt == &TaxiwayGhostType) {
890 result = taxiwayGhost(args[offset])->geod();
894 if (gt == &FixGhostType) {
895 result = fixGhost(args[offset])->geod();
899 if (gt == &WayptGhostType) {
900 result = wayptGhost(args[offset])->position();
905 if (geodFromHash(args[offset], result)) {
909 if (((argc - offset) >= 2) && naIsNum(args[offset]) && naIsNum(args[offset + 1])) {
910 double lat = naNumValue(args[0]).num,
911 lon = naNumValue(args[1]).num;
912 result = SGGeod::fromDeg(lon, lat);
919 // Convert a cartesian point to a geodetic lat/lon/altitude.
920 static naRef f_carttogeod(naContext c, naRef me, int argc, naRef* args)
922 double lat, lon, alt, xyz[3];
923 if(argc != 3) naRuntimeError(c, "carttogeod() expects 3 arguments");
924 for(int i=0; i<3; i++)
925 xyz[i] = naNumValue(args[i]).num;
926 sgCartToGeod(xyz, &lat, &lon, &alt);
927 lat *= SG_RADIANS_TO_DEGREES;
928 lon *= SG_RADIANS_TO_DEGREES;
929 naRef vec = naNewVector(c);
930 naVec_append(vec, naNum(lat));
931 naVec_append(vec, naNum(lon));
932 naVec_append(vec, naNum(alt));
936 // Convert a geodetic lat/lon/altitude to a cartesian point.
937 static naRef f_geodtocart(naContext c, naRef me, int argc, naRef* args)
939 if(argc != 3) naRuntimeError(c, "geodtocart() expects 3 arguments");
940 double lat = naNumValue(args[0]).num * SG_DEGREES_TO_RADIANS;
941 double lon = naNumValue(args[1]).num * SG_DEGREES_TO_RADIANS;
942 double alt = naNumValue(args[2]).num;
944 sgGeodToCart(lat, lon, alt, xyz);
945 naRef vec = naNewVector(c);
946 naVec_append(vec, naNum(xyz[0]));
947 naVec_append(vec, naNum(xyz[1]));
948 naVec_append(vec, naNum(xyz[2]));
952 // For given geodetic point return array with elevation, and a material data
953 // hash, or nil if there's no information available (tile not loaded). If
954 // information about the material isn't available, then nil is returned instead
956 static naRef f_geodinfo(naContext c, naRef me, int argc, naRef* args)
958 #define HASHSET(s,l,n) naHash_set(matdata, naStr_fromdata(naNewString(c),s,l),n)
959 if(argc < 2 || argc > 3)
960 naRuntimeError(c, "geodinfo() expects 2 or 3 arguments: lat, lon [, maxalt]");
961 double lat = naNumValue(args[0]).num;
962 double lon = naNumValue(args[1]).num;
963 double elev = argc == 3 ? naNumValue(args[2]).num : 10000;
964 const simgear::BVHMaterial *material;
965 SGGeod geod = SGGeod::fromDegM(lon, lat, elev);
966 if(!globals->get_scenery()->get_elevation_m(geod, elev, &material))
968 const SGMaterial *mat = dynamic_cast<const SGMaterial *>(material);
969 naRef vec = naNewVector(c);
970 naVec_append(vec, naNum(elev));
971 naRef matdata = naNil();
973 matdata = naNewHash(c);
974 naRef names = naNewVector(c);
975 BOOST_FOREACH(const std::string& n, mat->get_names())
976 naVec_append(names, stringToNasal(c, n));
978 HASHSET("names", 5, names);
979 HASHSET("solid", 5, naNum(mat->get_solid()));
980 HASHSET("friction_factor", 15, naNum(mat->get_friction_factor()));
981 HASHSET("rolling_friction", 16, naNum(mat->get_rolling_friction()));
982 HASHSET("load_resistance", 15, naNum(mat->get_load_resistance()));
983 HASHSET("bumpiness", 9, naNum(mat->get_bumpiness()));
984 HASHSET("light_coverage", 14, naNum(mat->get_light_coverage()));
986 naVec_append(vec, matdata);
992 // Returns data hash for particular or nearest airport of a <type>, or nil
995 // airportinfo(<id>); e.g. "KSFO"
996 // airportinfo(<type>); type := ("airport"|"seaport"|"heliport")
997 // airportinfo() same as airportinfo("airport")
998 // airportinfo(<lat>, <lon> [, <type>]);
999 static naRef f_airportinfo(naContext c, naRef me, int argc, naRef* args)
1001 SGGeod pos = globals->get_aircraft_position();
1002 FGAirport* apt = NULL;
1004 if(argc >= 2 && naIsNum(args[0]) && naIsNum(args[1])) {
1005 pos = SGGeod::fromDeg(args[1].num, args[0].num);
1010 double maxRange = 10000.0; // expose this? or pick a smaller value?
1012 FGAirport::TypeRunwayFilter filter; // defaults to airports only
1015 // fall through and use AIRPORT
1016 } else if(argc == 1 && naIsString(args[0])) {
1017 if (filter.fromTypeString(naStr_data(args[0]))) {
1020 // user provided an <id>, hopefully
1021 apt = FGAirport::findByIdent(naStr_data(args[0]));
1023 // return nil here, but don't raise a runtime error; this is a
1024 // legitamate way to validate an ICAO code, for example in a
1025 // dialog box or similar.
1030 naRuntimeError(c, "airportinfo() with invalid function arguments");
1035 apt = FGAirport::findClosest(pos, maxRange, &filter);
1036 if(!apt) return naNil();
1039 return ghostForAirport(c, apt);
1042 static naRef f_findAirportsWithinRange(naContext c, naRef me, int argc, naRef* args)
1045 SGGeod pos = globals->get_aircraft_position();
1046 argOffset += geodFromArgs(args, 0, argc, pos);
1048 if (!naIsNum(args[argOffset])) {
1049 naRuntimeError(c, "findAirportsWithinRange expected range (in nm) as arg %d", argOffset);
1052 FGAirport::TypeRunwayFilter filter; // defaults to airports only
1053 double rangeNm = args[argOffset++].num;
1054 if (argOffset < argc) {
1055 filter.fromTypeString(naStr_data(args[argOffset++]));
1058 naRef r = naNewVector(c);
1060 FGPositionedList apts = FGPositioned::findWithinRange(pos, rangeNm, &filter);
1061 FGPositioned::sortByRange(apts, pos);
1063 BOOST_FOREACH(FGPositionedRef a, apts) {
1064 FGAirport* apt = (FGAirport*) a.get();
1065 naVec_append(r, ghostForAirport(c, apt));
1071 static naRef f_findAirportsByICAO(naContext c, naRef me, int argc, naRef* args)
1073 if (!naIsString(args[0])) {
1074 naRuntimeError(c, "findAirportsByICAO expects string as arg 0");
1078 std::string prefix(naStr_data(args[argOffset++]));
1079 FGAirport::TypeRunwayFilter filter; // defaults to airports only
1080 if (argOffset < argc) {
1081 filter.fromTypeString(naStr_data(args[argOffset++]));
1084 naRef r = naNewVector(c);
1086 FGPositionedList apts = FGPositioned::findAllWithIdent(prefix, &filter, false);
1088 BOOST_FOREACH(FGPositionedRef a, apts) {
1089 FGAirport* apt = (FGAirport*) a.get();
1090 naVec_append(r, ghostForAirport(c, apt));
1096 static naRef f_airport_tower(naContext c, naRef me, int argc, naRef* args)
1098 FGAirport* apt = airportGhost(me);
1100 naRuntimeError(c, "airport.tower called on non-airport object");
1103 // build a hash for the tower position
1104 SGGeod towerLoc = apt->getTowerLocation();
1105 naRef tower = naNewHash(c);
1106 hashset(c, tower, "lat", naNum(towerLoc.getLatitudeDeg()));
1107 hashset(c, tower, "lon", naNum(towerLoc.getLongitudeDeg()));
1108 hashset(c, tower, "elevation", naNum(towerLoc.getElevationM()));
1112 static naRef f_airport_comms(naContext c, naRef me, int argc, naRef* args)
1114 FGAirport* apt = airportGhost(me);
1116 naRuntimeError(c, "airport.comms called on non-airport object");
1118 naRef comms = naNewVector(c);
1120 // if we have an explicit type, return a simple vector of frequencies
1121 if (argc > 0 && !naIsString(args[0])) {
1122 naRuntimeError(c, "airport.comms argument must be a frequency type name");
1126 std::string commName = naStr_data(args[0]);
1127 FGPositioned::Type commType = FGPositioned::typeFromName(commName);
1129 BOOST_FOREACH(flightgear::CommStation* comm, apt->commStationsOfType(commType)) {
1130 naVec_append(comms, naNum(comm->freqMHz()));
1133 // otherwise return a vector of hashes, one for each comm station.
1134 BOOST_FOREACH(flightgear::CommStation* comm, apt->commStations()) {
1135 naRef commHash = naNewHash(c);
1136 hashset(c, commHash, "frequency", naNum(comm->freqMHz()));
1137 hashset(c, commHash, "ident", stringToNasal(c, comm->ident()));
1138 naVec_append(comms, commHash);
1145 static naRef f_airport_runway(naContext c, naRef me, int argc, naRef* args)
1147 FGAirport* apt = airportGhost(me);
1149 naRuntimeError(c, "airport.runway called on non-airport object");
1152 if ((argc < 1) || !naIsString(args[0])) {
1153 naRuntimeError(c, "airport.runway expects a runway ident argument");
1156 std::string ident(naStr_data(args[0]));
1157 boost::to_upper(ident);
1159 if (apt->hasRunwayWithIdent(ident)) {
1160 return ghostForRunway(c, apt->getRunwayByIdent(ident));
1161 } else if (apt->hasHelipadWithIdent(ident)) {
1162 return ghostForHelipad(c, apt->getHelipadByIdent(ident));
1167 static naRef f_airport_runwaysWithoutReciprocals(naContext c, naRef me, int argc, naRef* args)
1169 FGAirport* apt = airportGhost(me);
1171 naRuntimeError(c, "airport.runwaysWithoutReciprocals called on non-airport object");
1174 FGRunwayList rwylist(apt->getRunwaysWithoutReciprocals());
1175 naRef runways = naNewVector(c);
1176 for (unsigned int r=0; r<rwylist.size(); ++r) {
1177 FGRunway* rwy(rwylist[r]);
1178 naVec_append(runways, ghostForRunway(c, apt->getRunwayByIdent(rwy->ident())));
1183 static naRef f_airport_sids(naContext c, naRef me, int argc, naRef* args)
1185 FGAirport* apt = airportGhost(me);
1187 naRuntimeError(c, "airport.sids called on non-airport object");
1190 naRef sids = naNewVector(c);
1192 FGRunway* rwy = NULL;
1193 if (argc > 0 && naIsString(args[0])) {
1194 if (!apt->hasRunwayWithIdent(naStr_data(args[0]))) {
1198 rwy = apt->getRunwayByIdent(naStr_data(args[0]));
1199 } else if (argc > 0) {
1200 rwy = runwayGhost(args[0]);
1204 BOOST_FOREACH(flightgear::SID* sid, rwy->getSIDs()) {
1205 naRef procId = stringToNasal(c, sid->ident());
1206 naVec_append(sids, procId);
1209 for (unsigned int s=0; s<apt->numSIDs(); ++s) {
1210 flightgear::SID* sid = apt->getSIDByIndex(s);
1211 naRef procId = stringToNasal(c, sid->ident());
1212 naVec_append(sids, procId);
1219 static naRef f_airport_stars(naContext c, naRef me, int argc, naRef* args)
1221 FGAirport* apt = airportGhost(me);
1223 naRuntimeError(c, "airport.stars called on non-airport object");
1226 naRef stars = naNewVector(c);
1228 FGRunway* rwy = NULL;
1229 if (argc > 0 && naIsString(args[0])) {
1230 if (!apt->hasRunwayWithIdent(naStr_data(args[0]))) {
1234 rwy = apt->getRunwayByIdent(naStr_data(args[0]));
1235 } else if (argc > 0) {
1236 rwy = runwayGhost(args[0]);
1240 BOOST_FOREACH(flightgear::STAR* s, rwy->getSTARs()) {
1241 naRef procId = stringToNasal(c, s->ident());
1242 naVec_append(stars, procId);
1245 for (unsigned int s=0; s<apt->numSTARs(); ++s) {
1246 flightgear::STAR* star = apt->getSTARByIndex(s);
1247 naRef procId = stringToNasal(c, star->ident());
1248 naVec_append(stars, procId);
1255 static naRef f_airport_approaches(naContext c, naRef me, int argc, naRef* args)
1257 FGAirport* apt = airportGhost(me);
1259 naRuntimeError(c, "airport.getApproachList called on non-airport object");
1262 naRef approaches = naNewVector(c);
1264 ProcedureType ty = PROCEDURE_INVALID;
1265 if ((argc > 1) && naIsString(args[1])) {
1266 std::string u(naStr_data(args[1]));
1268 if (u == "NDB") ty = PROCEDURE_APPROACH_NDB;
1269 if (u == "VOR") ty = PROCEDURE_APPROACH_VOR;
1270 if (u == "ILS") ty = PROCEDURE_APPROACH_ILS;
1271 if (u == "RNAV") ty = PROCEDURE_APPROACH_RNAV;
1274 FGRunway* rwy = NULL;
1275 if (argc > 0 && (rwy = runwayGhost(args[0]))) {
1277 } else if (argc > 0 && naIsString(args[0])) {
1278 if (!apt->hasRunwayWithIdent(naStr_data(args[0]))) {
1282 rwy = apt->getRunwayByIdent(naStr_data(args[0]));
1286 BOOST_FOREACH(Approach* s, rwy->getApproaches()) {
1287 if ((ty != PROCEDURE_INVALID) && (s->type() != ty)) {
1291 naRef procId = stringToNasal(c, s->ident());
1292 naVec_append(approaches, procId);
1295 // no runway specified, report them all
1296 for (unsigned int s=0; s<apt->numApproaches(); ++s) {
1297 Approach* app = apt->getApproachByIndex(s);
1298 if ((ty != PROCEDURE_INVALID) && (app->type() != ty)) {
1302 naRef procId = stringToNasal(c, app->ident());
1303 naVec_append(approaches, procId);
1310 static naRef f_airport_parking(naContext c, naRef me, int argc, naRef* args)
1312 FGAirport* apt = airportGhost(me);
1314 naRuntimeError(c, "airport.parking called on non-airport object");
1317 naRef r = naNewVector(c);
1319 bool onlyAvailable = false;
1321 if (argc > 0 && naIsString(args[0])) {
1322 type = naStr_data(args[0]);
1325 if ((argc > 1) && naIsNum(args[1])) {
1326 onlyAvailable = (args[1].num != 0.0);
1329 FGAirportDynamics* dynamics = apt->getDynamics();
1330 PositionedIDVec parkings = flightgear::NavDataCache::instance()->airportItemsOfType(apt->guid(),
1331 FGPositioned::PARKING);
1333 BOOST_FOREACH(PositionedID parking, parkings) {
1334 // filter out based on availability and type
1335 if (onlyAvailable && !dynamics->isParkingAvailable(parking)) {
1339 FGParking* park = dynamics->getParking(parking);
1340 if (!type.empty() && (park->getType() != type)) {
1344 const SGGeod& parkLoc = park->geod();
1345 naRef ph = naNewHash(c);
1346 hashset(c, ph, "name", stringToNasal(c, park->getName()));
1347 hashset(c, ph, "lat", naNum(parkLoc.getLatitudeDeg()));
1348 hashset(c, ph, "lon", naNum(parkLoc.getLongitudeDeg()));
1349 hashset(c, ph, "elevation", naNum(parkLoc.getElevationM()));
1350 naVec_append(r, ph);
1356 static naRef f_airport_getSid(naContext c, naRef me, int argc, naRef* args)
1358 FGAirport* apt = airportGhost(me);
1360 naRuntimeError(c, "airport.getSid called on non-airport object");
1363 if ((argc != 1) || !naIsString(args[0])) {
1364 naRuntimeError(c, "airport.getSid passed invalid argument");
1367 std::string ident = naStr_data(args[0]);
1368 return ghostForProcedure(c, apt->findSIDWithIdent(ident));
1371 static naRef f_airport_getStar(naContext c, naRef me, int argc, naRef* args)
1373 FGAirport* apt = airportGhost(me);
1375 naRuntimeError(c, "airport.getStar called on non-airport object");
1378 if ((argc != 1) || !naIsString(args[0])) {
1379 naRuntimeError(c, "airport.getStar passed invalid argument");
1382 std::string ident = naStr_data(args[0]);
1383 return ghostForProcedure(c, apt->findSTARWithIdent(ident));
1386 static naRef f_airport_getApproach(naContext c, naRef me, int argc, naRef* args)
1388 FGAirport* apt = airportGhost(me);
1390 naRuntimeError(c, "airport.getIAP called on non-airport object");
1393 if ((argc != 1) || !naIsString(args[0])) {
1394 naRuntimeError(c, "airport.getIAP passed invalid argument");
1397 std::string ident = naStr_data(args[0]);
1398 return ghostForProcedure(c, apt->findApproachWithIdent(ident));
1401 static naRef f_airport_findBestRunway(naContext c, naRef me, int argc, naRef* args)
1403 FGAirport* apt = airportGhost(me);
1405 naRuntimeError(c, "findBestRunway called on non-airport object");
1409 if (!geodFromArgs(args, 0, argc, pos)) {
1410 naRuntimeError(c, "findBestRunway must be passed a position");
1413 return ghostForRunway(c, apt->findBestRunwayForPos(pos));
1416 static naRef f_airport_toString(naContext c, naRef me, int argc, naRef* args)
1418 FGAirport* apt = airportGhost(me);
1420 naRuntimeError(c, "airport.tostring called on non-airport object");
1423 return stringToNasal(c, "an airport " + apt->ident());
1426 // Returns vector of data hash for navaid of a <type>, nil on error
1427 // navaids sorted by ascending distance
1428 // navinfo([<lat>,<lon>],[<type>],[<id>])
1429 // lat/lon (numeric): use latitude/longitude instead of ac position
1430 // type: ("fix"|"vor"|"ndb"|"ils"|"dme"|"tacan"|"any")
1431 // id: (partial) id of the fix
1433 // navinfo("vor") returns all vors
1434 // navinfo("HAM") return all navaids who's name start with "HAM"
1435 // navinfo("vor", "HAM") return all vor who's name start with "HAM"
1436 //navinfo(34,48,"vor","HAM") return all vor who's name start with "HAM"
1437 // sorted by distance relative to lat=34, lon=48
1438 static naRef f_navinfo(naContext c, naRef me, int argc, naRef* args)
1442 if(argc >= 2 && naIsNum(args[0]) && naIsNum(args[1])) {
1443 pos = SGGeod::fromDeg(args[1].num, args[0].num);
1447 pos = globals->get_aircraft_position();
1450 FGPositioned::Type type = FGPositioned::INVALID;
1451 nav_list_type navlist;
1452 const char * id = "";
1454 if(argc > 0 && naIsString(args[0])) {
1455 const char *s = naStr_data(args[0]);
1456 if(!strcmp(s, "any")) type = FGPositioned::INVALID;
1457 else if(!strcmp(s, "fix")) type = FGPositioned::FIX;
1458 else if(!strcmp(s, "vor")) type = FGPositioned::VOR;
1459 else if(!strcmp(s, "ndb")) type = FGPositioned::NDB;
1460 else if(!strcmp(s, "ils")) type = FGPositioned::ILS;
1461 else if(!strcmp(s, "dme")) type = FGPositioned::DME;
1462 else if(!strcmp(s, "tacan")) type = FGPositioned::TACAN;
1463 else id = s; // this is an id
1468 if(argc > 0 && naIsString(args[0])) {
1470 naRuntimeError(c, "navinfo() called with navaid id");
1473 id = naStr_data(args[0]);
1479 naRuntimeError(c, "navinfo() called with too many arguments");
1483 FGNavList::TypeFilter filter(type);
1484 navlist = FGNavList::findByIdentAndFreq( pos, id, 0.0, &filter );
1486 naRef reply = naNewVector(c);
1487 for( nav_list_type::const_iterator it = navlist.begin(); it != navlist.end(); ++it ) {
1488 naVec_append( reply, ghostForNavaid(c, *it) );
1493 static naRef f_findNavaidsWithinRange(naContext c, naRef me, int argc, naRef* args)
1496 SGGeod pos = globals->get_aircraft_position();
1497 argOffset += geodFromArgs(args, 0, argc, pos);
1499 if (!naIsNum(args[argOffset])) {
1500 naRuntimeError(c, "findNavaidsWithinRange expected range (in nm) as arg %d", argOffset);
1503 FGPositioned::Type type = FGPositioned::INVALID;
1504 double rangeNm = args[argOffset++].num;
1505 if (argOffset < argc) {
1506 type = FGPositioned::typeFromName(naStr_data(args[argOffset]));
1509 naRef r = naNewVector(c);
1510 FGNavList::TypeFilter filter(type);
1511 FGPositionedList navs = FGPositioned::findWithinRange(pos, rangeNm, &filter);
1512 FGPositioned::sortByRange(navs, pos);
1514 BOOST_FOREACH(FGPositionedRef a, navs) {
1515 FGNavRecord* nav = (FGNavRecord*) a.get();
1516 naVec_append(r, ghostForNavaid(c, nav));
1522 static naRef f_findNavaidByFrequency(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, "findNavaidByFrequency 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 FGNavList::TypeFilter filter(type);
1539 nav_list_type navs = FGNavList::findAllByFreq(freqMhz, pos, &filter);
1544 return ghostForNavaid(c, navs.front().ptr());
1547 static naRef f_findNavaidsByFrequency(naContext c, naRef me, int argc, naRef* args)
1550 SGGeod pos = globals->get_aircraft_position();
1551 argOffset += geodFromArgs(args, 0, argc, pos);
1553 if (!naIsNum(args[argOffset])) {
1554 naRuntimeError(c, "findNavaidsByFrequency expectes frequency (in Mhz) as arg %d", argOffset);
1557 FGPositioned::Type type = FGPositioned::INVALID;
1558 double freqMhz = args[argOffset++].num;
1559 if (argOffset < argc) {
1560 type = FGPositioned::typeFromName(naStr_data(args[argOffset]));
1563 naRef r = naNewVector(c);
1565 FGNavList::TypeFilter filter(type);
1566 nav_list_type navs = FGNavList::findAllByFreq(freqMhz, pos, &filter);
1568 BOOST_FOREACH(nav_rec_ptr a, navs) {
1569 naVec_append(r, ghostForNavaid(c, a.ptr()));
1575 static naRef f_findNavaidsByIdent(naContext c, naRef me, int argc, naRef* args)
1578 SGGeod pos = globals->get_aircraft_position();
1579 argOffset += geodFromArgs(args, 0, argc, pos);
1581 if (!naIsString(args[argOffset])) {
1582 naRuntimeError(c, "findNavaidsByIdent expectes ident string as arg %d", argOffset);
1585 FGPositioned::Type type = FGPositioned::INVALID;
1586 std::string ident = naStr_data(args[argOffset++]);
1587 if (argOffset < argc) {
1588 type = FGPositioned::typeFromName(naStr_data(args[argOffset]));
1591 FGNavList::TypeFilter filter(type);
1592 naRef r = naNewVector(c);
1593 nav_list_type navs = FGNavList::findByIdentAndFreq(pos, ident, 0.0, &filter);
1595 BOOST_FOREACH(nav_rec_ptr a, navs) {
1596 naVec_append(r, ghostForNavaid(c, a.ptr()));
1602 static naRef f_findFixesByIdent(naContext c, naRef me, int argc, naRef* args)
1605 SGGeod pos = globals->get_aircraft_position();
1606 argOffset += geodFromArgs(args, 0, argc, pos);
1608 if (!naIsString(args[argOffset])) {
1609 naRuntimeError(c, "findFixesByIdent expectes ident string as arg %d", argOffset);
1612 std::string ident(naStr_data(args[argOffset]));
1613 naRef r = naNewVector(c);
1615 FGPositioned::TypeFilter filter(FGPositioned::FIX);
1616 FGPositionedList fixes = FGPositioned::findAllWithIdent(ident, &filter);
1617 FGPositioned::sortByRange(fixes, pos);
1619 BOOST_FOREACH(FGPositionedRef f, fixes) {
1620 naVec_append(r, ghostForFix(c, (FGFix*) f.ptr()));
1626 // Convert a cartesian point to a geodetic lat/lon/altitude.
1627 static naRef f_magvar(naContext c, naRef me, int argc, naRef* args)
1629 SGGeod pos = globals->get_aircraft_position();
1631 // fine, use aircraft position
1632 } else if (geodFromArgs(args, 0, argc, pos)) {
1635 naRuntimeError(c, "magvar() expects no arguments, a positioned hash or lat,lon pair");
1638 double jd = globals->get_time_params()->getJD();
1639 double magvarDeg = sgGetMagVar(pos, jd) * SG_RADIANS_TO_DEGREES;
1640 return naNum(magvarDeg);
1643 static naRef f_courseAndDistance(naContext c, naRef me, int argc, naRef* args)
1645 SGGeod from = globals->get_aircraft_position(), to, p;
1646 int argOffset = geodFromArgs(args, 0, argc, p);
1647 if (geodFromArgs(args, argOffset, argc, to)) {
1648 from = p; // we parsed both FROM and TO args, so first was from
1650 to = p; // only parsed one arg, so FROM is current
1653 if (argOffset == 0) {
1654 naRuntimeError(c, "invalid arguments to courseAndDistance");
1657 double course, course2, d;
1658 SGGeodesy::inverse(from, to, course, course2, d);
1660 naRef result = naNewVector(c);
1661 naVec_append(result, naNum(course));
1662 naVec_append(result, naNum(d * SG_METER_TO_NM));
1666 static naRef f_greatCircleMove(naContext c, naRef me, int argc, naRef* args)
1668 SGGeod from = globals->get_aircraft_position(), to;
1671 // complication - don't inerpret two doubles (as the only args)
1672 // as a lat,lon pair - only do so if we have at least three args.
1674 argOffset = geodFromArgs(args, 0, argc, from);
1677 if ((argOffset + 1) >= argc) {
1678 naRuntimeError(c, "isufficent arguments to greatCircleMove");
1681 if (!naIsNum(args[argOffset]) || !naIsNum(args[argOffset+1])) {
1682 naRuntimeError(c, "invalid arguments %d and %d to greatCircleMove",
1683 argOffset, argOffset + 1);
1686 double course = args[argOffset].num, course2;
1687 double distanceNm = args[argOffset + 1].num;
1688 SGGeodesy::direct(from, course, distanceNm * SG_NM_TO_METER, to, course2);
1691 naRef coord = naNewHash(c);
1692 hashset(c, coord, "lat", naNum(to.getLatitudeDeg()));
1693 hashset(c, coord, "lon", naNum(to.getLongitudeDeg()));
1697 static naRef f_tilePath(naContext c, naRef me, int argc, naRef* args)
1699 SGGeod pos = globals->get_aircraft_position();
1700 geodFromArgs(args, 0, argc, pos);
1702 return stringToNasal(c, b.gen_base_path());
1705 static naRef f_tileIndex(naContext c, naRef me, int argc, naRef* args)
1707 SGGeod pos = globals->get_aircraft_position();
1708 geodFromArgs(args, 0, argc, pos);
1710 return naNum(b.gen_index());
1713 static naRef f_route(naContext c, naRef me, int argc, naRef* args)
1716 FGRouteMgr* rm = static_cast<FGRouteMgr*>(globals->get_subsystem("route-manager"));
1717 return ghostForFlightPlan(c, rm->flightPlan());
1720 if ((argc > 0) && naIsString(args[0])) {
1721 flightgear::FlightPlan* fp = new flightgear::FlightPlan;
1722 SGPath path(naStr_data(args[0]));
1723 if (!path.exists()) {
1724 naRuntimeError(c, "flightplan, no file at path %s", path.c_str());
1727 if (!fp->load(path)) {
1728 SG_LOG(SG_NASAL, SG_WARN, "failed to load flight-plan from " << path);
1733 return ghostForFlightPlan(c, fp);
1736 naRuntimeError(c, "bad arguments to flightplan()");
1740 class NasalFPDelegate : public FlightPlan::Delegate
1743 NasalFPDelegate(FlightPlan* fp, FGNasalSys* sys, naRef ins) :
1748 _gcSaveKey = _nasal->gcSave(ins);
1751 virtual ~NasalFPDelegate()
1753 _nasal->gcRelease(_gcSaveKey);
1756 virtual void departureChanged()
1758 callDelegateMethod("departureChanged");
1761 virtual void arrivalChanged()
1763 callDelegateMethod("arrivalChanged");
1766 virtual void waypointsChanged()
1768 callDelegateMethod("waypointsChanged");
1771 virtual void currentWaypointChanged()
1773 callDelegateMethod("currentWaypointChanged");
1776 virtual void cleared()
1778 callDelegateMethod("cleared");
1781 virtual void endOfFlightPlan()
1783 callDelegateMethod("endOfFlightPlan");
1787 void callDelegateMethod(const char* method)
1790 if (naMember_cget(_nasal->context(), _instance, method, &f) == 0) {
1791 return; // no method on the delegate
1795 arg[0] = ghostForFlightPlan(_nasal->context(), _plan);
1796 _nasal->callMethod(f, _instance, 1, arg, naNil());
1805 class NasalFPDelegateFactory : public FlightPlan::DelegateFactory
1808 NasalFPDelegateFactory(naRef code)
1810 _nasal = (FGNasalSys*) globals->get_subsystem("nasal");
1812 _gcSaveKey = _nasal->gcSave(_func);
1815 ~NasalFPDelegateFactory()
1817 _nasal->gcRelease(_gcSaveKey);
1820 virtual FlightPlan::Delegate* createFlightPlanDelegate(FlightPlan* fp)
1823 args[0] = ghostForFlightPlan(_nasal->context(), fp);
1824 naRef instance = _nasal->call(_func, 1, args, naNil());
1825 if (naIsNil(instance)) {
1829 return new NasalFPDelegate(fp, _nasal, instance);
1837 static naRef f_registerFPDelegate(naContext c, naRef me, int argc, naRef* args)
1839 if ((argc < 1) || !naIsFunc(args[0])) {
1840 naRuntimeError(c, "non-function argument to registerFlightPlanDelegate");
1843 NasalFPDelegateFactory* factory = new NasalFPDelegateFactory(args[0]);
1844 FlightPlan::registerDelegateFactory(factory);
1849 static WayptRef wayptFromArg(naRef arg)
1851 WayptRef r = wayptGhost(arg);
1856 FGPositioned* pos = positionedGhost(arg);
1858 // let's check if the arg is hash, coudl extra a geod and hence build
1859 // a simple waypoint
1864 // special-case for runways
1865 if (pos->type() == FGPositioned::RUNWAY) {
1866 return new RunwayWaypt((FGRunway*) pos, NULL);
1869 return new NavaidWaypoint(pos, NULL);
1872 static naRef convertWayptVecToNasal(naContext c, const WayptVec& wps)
1874 naRef result = naNewVector(c);
1875 BOOST_FOREACH(WayptRef wpt, wps) {
1876 naVec_append(result, ghostForWaypt(c, wpt.get()));
1881 static naRef f_airwaySearch(naContext c, naRef me, int argc, naRef* args)
1884 naRuntimeError(c, "airwaysSearch needs at least two arguments");
1887 WayptRef start = wayptFromArg(args[0]),
1888 end = wayptFromArg(args[1]);
1890 if (!start || !end) {
1891 SG_LOG(SG_NASAL, SG_WARN, "airwaysSearch: start or end points are invalid");
1895 bool highLevel = true;
1896 if ((argc > 2) && naIsString(args[2])) {
1897 if (!strcmp(naStr_data(args[2]), "lowlevel")) {
1904 Airway::highLevel()->route(start, end, route);
1906 Airway::lowLevel()->route(start, end, route);
1909 return convertWayptVecToNasal(c, route);
1912 static naRef f_createWP(naContext c, naRef me, int argc, naRef* args)
1915 int argOffset = geodFromArgs(args, 0, argc, pos);
1917 if (((argc - argOffset) < 1) || !naIsString(args[argOffset])) {
1918 naRuntimeError(c, "createWP: no identifier supplied");
1921 std::string ident = naStr_data(args[argOffset++]);
1922 WayptRef wpt = new BasicWaypt(pos, ident, NULL);
1924 // set waypt flags - approach, departure, pseudo, etc
1925 if (argc > argOffset) {
1926 WayptFlag f = wayptFlagFromString(naStr_data(args[argOffset++]));
1928 naRuntimeError(c, "createWP: bad waypoint role");
1934 return ghostForWaypt(c, wpt);
1937 static naRef f_createWPFrom(naContext c, naRef me, int argc, naRef* args)
1940 naRuntimeError(c, "createWPFrom: need at least one argument");
1943 FGPositioned* positioned = positionedGhost(args[0]);
1945 naRuntimeError(c, "createWPFrom: couldn;t convert arg[0] to FGPositioned");
1949 if (positioned->type() == FGPositioned::RUNWAY) {
1950 wpt = new RunwayWaypt((FGRunway*) positioned, NULL);
1952 wpt = new NavaidWaypoint(positioned, NULL);
1955 // set waypt flags - approach, departure, pseudo, etc
1957 WayptFlag f = wayptFlagFromString(naStr_data(args[1]));
1959 naRuntimeError(c, "createWPFrom: bad waypoint role");
1964 return ghostForWaypt(c, wpt);
1967 static naRef f_flightplan_getWP(naContext c, naRef me, int argc, naRef* args)
1969 FlightPlan* fp = flightplanGhost(me);
1971 naRuntimeError(c, "flightplan.getWP called on non-flightplan object");
1976 index = fp->currentIndex();
1978 index = (int) naNumValue(args[0]).num;
1981 if ((index < 0) || (index >= fp->numLegs())) {
1985 return ghostForLeg(c, fp->legAtIndex(index));
1988 static naRef f_flightplan_currentWP(naContext c, naRef me, int argc, naRef* args)
1990 FlightPlan* fp = flightplanGhost(me);
1992 naRuntimeError(c, "flightplan.currentWP called on non-flightplan object");
1994 return ghostForLeg(c, fp->currentLeg());
1997 static naRef f_flightplan_nextWP(naContext c, naRef me, int argc, naRef* args)
1999 FlightPlan* fp = flightplanGhost(me);
2001 naRuntimeError(c, "flightplan.nextWP called on non-flightplan object");
2003 return ghostForLeg(c, fp->nextLeg());
2006 static naRef f_flightplan_numWaypoints(naContext c, naRef me, int argc, naRef* args)
2008 FlightPlan* fp = flightplanGhost(me);
2010 naRuntimeError(c, "flightplan.numWaypoints called on non-flightplan object");
2012 return naNum(fp->numLegs());
2015 static naRef f_flightplan_appendWP(naContext c, naRef me, int argc, naRef* args)
2017 FlightPlan* fp = flightplanGhost(me);
2019 naRuntimeError(c, "flightplan.appendWP called on non-flightplan object");
2022 WayptRef wp = wayptGhost(args[0]);
2023 int index = fp->numLegs();
2024 fp->insertWayptAtIndex(wp.get(), index);
2025 return naNum(index);
2028 static naRef f_flightplan_insertWP(naContext c, naRef me, int argc, naRef* args)
2030 FlightPlan* fp = flightplanGhost(me);
2032 naRuntimeError(c, "flightplan.insertWP called on non-flightplan object");
2035 WayptRef wp = wayptGhost(args[0]);
2036 int index = -1; // append
2037 if ((argc > 1) && naIsNum(args[1])) {
2038 index = (int) args[1].num;
2041 fp->insertWayptAtIndex(wp.get(), index);
2045 static naRef f_flightplan_insertWPAfter(naContext c, naRef me, int argc, naRef* args)
2047 FlightPlan* fp = flightplanGhost(me);
2049 naRuntimeError(c, "flightplan.insertWPAfter called on non-flightplan object");
2052 WayptRef wp = wayptGhost(args[0]);
2053 int index = -1; // append
2054 if ((argc > 1) && naIsNum(args[1])) {
2055 index = (int) args[1].num;
2058 fp->insertWayptAtIndex(wp.get(), index + 1);
2062 static naRef f_flightplan_insertWaypoints(naContext c, naRef me, int argc, naRef* args)
2064 FlightPlan* fp = flightplanGhost(me);
2066 naRuntimeError(c, "flightplan.insertWaypoints called on non-flightplan object");
2070 if (!naIsVector(args[0])) {
2071 naRuntimeError(c, "flightplan.insertWaypoints expects vector as first arg");
2074 int count = naVec_size(args[0]);
2075 for (int i=0; i<count; ++i) {
2076 Waypt* wp = wayptGhost(naVec_get(args[0], i));
2082 int index = -1; // append
2083 if ((argc > 1) && naIsNum(args[1])) {
2084 index = (int) args[1].num;
2087 fp->insertWayptsAtIndex(wps, index);
2091 static naRef f_flightplan_deleteWP(naContext c, naRef me, int argc, naRef* args)
2093 FlightPlan* fp = flightplanGhost(me);
2095 naRuntimeError(c, "flightplan.deleteWP called on non-flightplan object");
2098 if ((argc < 1) || !naIsNum(args[0])) {
2099 naRuntimeError(c, "bad argument to flightplan.deleteWP");
2102 int index = (int) args[0].num;
2103 fp->deleteIndex(index);
2107 static naRef f_flightplan_clearPlan(naContext c, naRef me, int argc, naRef* args)
2109 FlightPlan* fp = flightplanGhost(me);
2111 naRuntimeError(c, "flightplan.clearPlan called on non-flightplan object");
2118 static naRef f_flightplan_clearWPType(naContext c, naRef me, int argc, naRef* args)
2120 FlightPlan* fp = flightplanGhost(me);
2122 naRuntimeError(c, "flightplan.clearWPType called on non-flightplan object");
2126 naRuntimeError(c, "insufficent args to flightplan.clearWPType");
2129 WayptFlag flag = wayptFlagFromString(naStr_data(args[0]));
2131 naRuntimeError(c, "clearWPType: bad waypoint role");
2134 fp->clearWayptsWithFlag(flag);
2138 static naRef f_flightplan_clone(naContext c, naRef me, int argc, naRef* args)
2140 FlightPlan* fp = flightplanGhost(me);
2142 naRuntimeError(c, "flightplan.clone called on non-flightplan object");
2145 return ghostForFlightPlan(c, fp->clone());
2148 static naRef f_flightplan_pathGeod(naContext c, naRef me, int argc, naRef* args)
2150 FlightPlan* fp = flightplanGhost(me);
2152 naRuntimeError(c, "flightplan.clone called on non-flightplan object");
2155 if ((argc < 1) || !naIsNum(args[0])) {
2156 naRuntimeError(c, "bad argument to flightplan.pathGeod");
2159 if ((argc > 1) && !naIsNum(args[1])) {
2160 naRuntimeError(c, "bad argument to flightplan.pathGeod");
2163 int index = (int) args[0].num;
2164 double offset = (argc > 1) ? args[1].num : 0.0;
2165 naRef result = naNewHash(c);
2166 SGGeod g = fp->pointAlongRoute(index, offset);
2167 hashset(c, result, "lat", naNum(g.getLatitudeDeg()));
2168 hashset(c, result, "lon", naNum(g.getLongitudeDeg()));
2172 static naRef f_flightplan_finish(naContext c, naRef me, int argc, naRef* args)
2174 FlightPlan* fp = flightplanGhost(me);
2176 naRuntimeError(c, "flightplan.finish called on non-flightplan object");
2183 static naRef f_leg_setSpeed(naContext c, naRef me, int argc, naRef* args)
2185 FlightPlan::Leg* leg = fpLegGhost(me);
2187 naRuntimeError(c, "leg.setSpeed called on non-flightplan-leg object");
2190 if ((argc < 2) || !naIsNum(args[0])) {
2191 naRuntimeError(c, "bad arguments to leg.setSpeed");
2194 RouteRestriction rr = routeRestrictionFromString(naStr_data(args[1]));
2195 leg->setSpeed(rr, naNumValue(args[0]).num);
2200 static naRef f_leg_setAltitude(naContext c, naRef me, int argc, naRef* args)
2202 FlightPlan::Leg* leg = fpLegGhost(me);
2204 naRuntimeError(c, "leg.setAltitude called on non-flightplan-leg object");
2207 if ((argc < 2) || !naIsNum(args[0])) {
2208 naRuntimeError(c, "bad arguments to leg.setAltitude");
2211 RouteRestriction rr = routeRestrictionFromString(naStr_data(args[1]));
2212 leg->setAltitude(rr, naNumValue(args[0]).num);
2217 static naRef f_leg_path(naContext c, naRef me, int argc, naRef* args)
2219 FlightPlan::Leg* leg = fpLegGhost(me);
2221 naRuntimeError(c, "leg.setAltitude called on non-flightplan-leg object");
2224 RoutePath path(leg->owner());
2225 SGGeodVec gv(path.pathForIndex(leg->index()));
2227 naRef result = naNewVector(c);
2228 BOOST_FOREACH(SGGeod p, gv) {
2229 // construct a geo.Coord!
2230 naRef coord = naNewHash(c);
2231 hashset(c, coord, "lat", naNum(p.getLatitudeDeg()));
2232 hashset(c, coord, "lon", naNum(p.getLongitudeDeg()));
2233 naVec_append(result, coord);
2239 static naRef f_leg_courseAndDistanceFrom(naContext c, naRef me, int argc, naRef* args)
2241 FlightPlan::Leg* leg = fpLegGhost(me);
2243 naRuntimeError(c, "leg.courseAndDistanceFrom called on non-flightplan-leg object");
2247 geodFromArgs(args, 0, argc, pos);
2251 boost::tie(courseDeg, distanceM) = leg->waypoint()->courseAndDistanceFrom(pos);
2253 naRef result = naNewVector(c);
2254 naVec_append(result, naNum(courseDeg));
2255 naVec_append(result, naNum(distanceM * SG_METER_TO_NM));
2259 static naRef f_waypoint_navaid(naContext c, naRef me, int argc, naRef* args)
2261 flightgear::Waypt* w = wayptGhost(me);
2263 naRuntimeError(c, "waypoint.navaid called on non-waypoint object");
2266 FGPositioned* pos = w->source();
2271 switch (pos->type()) {
2272 case FGPositioned::VOR:
2273 case FGPositioned::NDB:
2274 case FGPositioned::ILS:
2275 case FGPositioned::LOC:
2276 case FGPositioned::GS:
2277 case FGPositioned::DME:
2278 case FGPositioned::TACAN: {
2279 FGNavRecord* nav = (FGNavRecord*) pos;
2280 return ghostForNavaid(c, nav);
2288 static naRef f_waypoint_airport(naContext c, naRef me, int argc, naRef* args)
2290 flightgear::Waypt* w = wayptGhost(me);
2292 naRuntimeError(c, "waypoint.navaid called on non-waypoint object");
2295 FGPositioned* pos = w->source();
2296 if (!pos || FGAirport::isAirportType(pos)) {
2300 return ghostForAirport(c, (FGAirport*) pos);
2303 static naRef f_waypoint_runway(naContext c, naRef me, int argc, naRef* args)
2305 flightgear::Waypt* w = wayptGhost(me);
2307 naRuntimeError(c, "waypoint.navaid called on non-waypoint object");
2310 FGPositioned* pos = w->source();
2311 if (!pos || (pos->type() != FGPositioned::RUNWAY)) {
2315 return ghostForRunway(c, (FGRunway*) pos);
2318 static naRef f_procedure_transition(naContext c, naRef me, int argc, naRef* args)
2320 Procedure* proc = procedureGhost(me);
2322 naRuntimeError(c, "procedure.transition called on non-procedure object");
2325 if ((proc->type() != PROCEDURE_SID) && (proc->type() != PROCEDURE_STAR)) {
2326 naRuntimeError(c, "procedure.transition called on non-SID or -STAR");
2329 ArrivalDeparture* ad = (ArrivalDeparture*) proc;
2330 Transition* trans = ad->findTransitionByName(naStr_data(args[0]));
2332 return ghostForProcedure(c, trans);
2335 static naRef f_procedure_route(naContext c, naRef me, int argc, naRef* args)
2337 Procedure* proc = procedureGhost(me);
2339 naRuntimeError(c, "procedure.route called on non-procedure object");
2342 // wrapping up tow different routines here - approach routing from the IAF
2343 // to the associated runway, and SID/STAR routing via an enroute transition
2344 // and possibly a runway transition or not.
2345 if (Approach::isApproach(proc->type())) {
2348 iaf = wayptFromArg(args[0]);
2352 Approach* app = (Approach*) proc;
2353 if (!app->route(iaf, r)) {
2354 SG_LOG(SG_NASAL, SG_WARN, "procedure.route failed for Approach somehow");
2358 return convertWayptVecToNasal(c, r);
2359 } else if ((proc->type() != PROCEDURE_SID) && (proc->type() != PROCEDURE_STAR)) {
2360 naRuntimeError(c, "procedure.route called on unsuitable procedure type");
2364 FGRunway* rwy = runwayGhost(args[0]);
2365 if (rwy) ++argOffset;
2367 ArrivalDeparture* ad = (ArrivalDeparture*) proc;
2368 Transition* trans = NULL;
2369 if (argOffset < argc) {
2370 trans = (Transition*) procedureGhost(args[argOffset]);
2373 // note either runway or trans may be NULL - that's ok
2375 if (!ad->route(rwy, trans, r)) {
2376 SG_LOG(SG_NASAL, SG_WARN, "prcoedure.route failed for ArrvialDeparture somehow");
2380 return convertWayptVecToNasal(c, r);
2384 // Table of extension functions. Terminate with zeros.
2385 static struct { const char* name; naCFunction func; } funcs[] = {
2386 { "carttogeod", f_carttogeod },
2387 { "geodtocart", f_geodtocart },
2388 { "geodinfo", f_geodinfo },
2389 { "airportinfo", f_airportinfo },
2390 { "findAirportsWithinRange", f_findAirportsWithinRange },
2391 { "findAirportsByICAO", f_findAirportsByICAO },
2392 { "navinfo", f_navinfo },
2393 { "findNavaidsWithinRange", f_findNavaidsWithinRange },
2394 { "findNavaidByFrequency", f_findNavaidByFrequency },
2395 { "findNavaidsByFrequency", f_findNavaidsByFrequency },
2396 { "findNavaidsByID", f_findNavaidsByIdent },
2397 { "findFixesByID", f_findFixesByIdent },
2398 { "flightplan", f_route },
2399 { "registerFlightPlanDelegate", f_registerFPDelegate },
2400 { "createWP", f_createWP },
2401 { "createWPFrom", f_createWPFrom },
2402 { "airwaysRoute", f_airwaySearch },
2403 { "magvar", f_magvar },
2404 { "courseAndDistance", f_courseAndDistance },
2405 { "greatCircleMove", f_greatCircleMove },
2406 { "tileIndex", f_tileIndex },
2407 { "tilePath", f_tilePath },
2412 naRef initNasalPositioned(naRef globals, naContext c)
2414 airportPrototype = naNewHash(c);
2415 naSave(c, airportPrototype);
2417 hashset(c, airportPrototype, "runway", naNewFunc(c, naNewCCode(c, f_airport_runway)));
2418 hashset(c, airportPrototype, "runwaysWithoutReciprocals", naNewFunc(c, naNewCCode(c, f_airport_runwaysWithoutReciprocals)));
2419 hashset(c, airportPrototype, "helipad", naNewFunc(c, naNewCCode(c, f_airport_runway)));
2420 hashset(c, airportPrototype, "tower", naNewFunc(c, naNewCCode(c, f_airport_tower)));
2421 hashset(c, airportPrototype, "comms", naNewFunc(c, naNewCCode(c, f_airport_comms)));
2422 hashset(c, airportPrototype, "sids", naNewFunc(c, naNewCCode(c, f_airport_sids)));
2423 hashset(c, airportPrototype, "stars", naNewFunc(c, naNewCCode(c, f_airport_stars)));
2424 hashset(c, airportPrototype, "getApproachList", naNewFunc(c, naNewCCode(c, f_airport_approaches)));
2425 hashset(c, airportPrototype, "parking", naNewFunc(c, naNewCCode(c, f_airport_parking)));
2426 hashset(c, airportPrototype, "getSid", naNewFunc(c, naNewCCode(c, f_airport_getSid)));
2427 hashset(c, airportPrototype, "getStar", naNewFunc(c, naNewCCode(c, f_airport_getStar)));
2428 hashset(c, airportPrototype, "getIAP", naNewFunc(c, naNewCCode(c, f_airport_getApproach)));
2429 hashset(c, airportPrototype, "findBestRunwayForPos", naNewFunc(c, naNewCCode(c, f_airport_findBestRunway)));
2430 hashset(c, airportPrototype, "tostring", naNewFunc(c, naNewCCode(c, f_airport_toString)));
2432 flightplanPrototype = naNewHash(c);
2433 naSave(c, flightplanPrototype);
2435 hashset(c, flightplanPrototype, "getWP", naNewFunc(c, naNewCCode(c, f_flightplan_getWP)));
2436 hashset(c, flightplanPrototype, "currentWP", naNewFunc(c, naNewCCode(c, f_flightplan_currentWP)));
2437 hashset(c, flightplanPrototype, "nextWP", naNewFunc(c, naNewCCode(c, f_flightplan_nextWP)));
2438 hashset(c, flightplanPrototype, "getPlanSize", naNewFunc(c, naNewCCode(c, f_flightplan_numWaypoints)));
2439 hashset(c, flightplanPrototype, "appendWP", naNewFunc(c, naNewCCode(c, f_flightplan_appendWP)));
2440 hashset(c, flightplanPrototype, "insertWP", naNewFunc(c, naNewCCode(c, f_flightplan_insertWP)));
2441 hashset(c, flightplanPrototype, "deleteWP", naNewFunc(c, naNewCCode(c, f_flightplan_deleteWP)));
2442 hashset(c, flightplanPrototype, "insertWPAfter", naNewFunc(c, naNewCCode(c, f_flightplan_insertWPAfter)));
2443 hashset(c, flightplanPrototype, "insertWaypoints", naNewFunc(c, naNewCCode(c, f_flightplan_insertWaypoints)));
2444 hashset(c, flightplanPrototype, "cleanPlan", naNewFunc(c, naNewCCode(c, f_flightplan_clearPlan)));
2445 hashset(c, flightplanPrototype, "clearWPType", naNewFunc(c, naNewCCode(c, f_flightplan_clearWPType)));
2446 hashset(c, flightplanPrototype, "clone", naNewFunc(c, naNewCCode(c, f_flightplan_clone)));
2447 hashset(c, flightplanPrototype, "pathGeod", naNewFunc(c, naNewCCode(c, f_flightplan_pathGeod)));
2448 hashset(c, flightplanPrototype, "finish", naNewFunc(c, naNewCCode(c, f_flightplan_finish)));
2450 waypointPrototype = naNewHash(c);
2451 naSave(c, waypointPrototype);
2453 hashset(c, waypointPrototype, "navaid", naNewFunc(c, naNewCCode(c, f_waypoint_navaid)));
2454 hashset(c, waypointPrototype, "runway", naNewFunc(c, naNewCCode(c, f_waypoint_runway)));
2455 hashset(c, waypointPrototype, "airport", naNewFunc(c, naNewCCode(c, f_waypoint_airport)));
2457 procedurePrototype = naNewHash(c);
2458 naSave(c, procedurePrototype);
2459 hashset(c, procedurePrototype, "transition", naNewFunc(c, naNewCCode(c, f_procedure_transition)));
2460 hashset(c, procedurePrototype, "route", naNewFunc(c, naNewCCode(c, f_procedure_route)));
2462 fpLegPrototype = naNewHash(c);
2463 naSave(c, fpLegPrototype);
2464 hashset(c, fpLegPrototype, "setSpeed", naNewFunc(c, naNewCCode(c, f_leg_setSpeed)));
2465 hashset(c, fpLegPrototype, "setAltitude", naNewFunc(c, naNewCCode(c, f_leg_setAltitude)));
2466 hashset(c, fpLegPrototype, "path", naNewFunc(c, naNewCCode(c, f_leg_path)));
2467 hashset(c, fpLegPrototype, "courseAndDistanceFrom", naNewFunc(c, naNewCCode(c, f_leg_courseAndDistanceFrom)));
2469 for(int i=0; funcs[i].name; i++) {
2470 hashset(c, globals, funcs[i].name,
2471 naNewFunc(c, naNewCCode(c, funcs[i].func)));
2477 void postinitNasalPositioned(naRef globals, naContext c)
2479 naRef geoModule = naHash_cget(globals, (char*) "geo");
2480 if (naIsNil(geoModule)) {
2481 SG_LOG(SG_GENERAL, SG_WARN, "postinitNasalPositioned: geo.nas not loaded");
2485 geoCoordClass = naHash_cget(geoModule, (char*) "Coord");