#include <simgear/misc/sg_path.hxx>
#include <simgear/misc/sg_dir.hxx>
#include <simgear/misc/interpolator.hxx>
-#include <simgear/scene/material/mat.hxx>
#include <simgear/structure/commands.hxx>
#include <simgear/math/sg_geodesy.hxx>
#include <simgear/structure/event_mgr.hxx>
-#include <Airports/runways.hxx>
-#include <Airports/simple.hxx>
+#include "NasalSys.hxx"
+#include "NasalPositioned.hxx"
#include <Main/globals.hxx>
-#include <Main/fg_props.hxx>
#include <Main/util.hxx>
-#include <Scenery/scenery.hxx>
-#include <Navaids/navlist.hxx>
-#include <Navaids/procedure.hxx>
-#include <Radio/radio.hxx>
+#include <Main/fg_props.hxx>
-
-#include "NasalSys.hxx"
+using std::map;
static FGNasalSys* nasalSys = 0;
{
double dv = p->getDoubleValue();
if (osg::isNaN(dv)) {
- SG_LOG(SG_GENERAL, SG_ALERT, "Nasal getprop: property " << p->getPath() << " is NaN");
+ SG_LOG(SG_NASAL, SG_ALERT, "Nasal getprop: property " << p->getPath() << " is NaN");
return naNil();
}
if(naIsNil(s)) continue;
buf += naStr_data(s);
}
- SG_LOG(SG_GENERAL, SG_ALERT, buf);
+ SG_LOG(SG_NASAL, SG_ALERT, buf);
return naNum(buf.length());
}
#endif
}
-// Convert a cartesian point to a geodetic lat/lon/altitude.
-static naRef f_carttogeod(naContext c, naRef me, int argc, naRef* args)
-{
- double lat, lon, alt, xyz[3];
- if(argc != 3) naRuntimeError(c, "carttogeod() expects 3 arguments");
- for(int i=0; i<3; i++)
- xyz[i] = naNumValue(args[i]).num;
- sgCartToGeod(xyz, &lat, &lon, &alt);
- lat *= SG_RADIANS_TO_DEGREES;
- lon *= SG_RADIANS_TO_DEGREES;
- naRef vec = naNewVector(c);
- naVec_append(vec, naNum(lat));
- naVec_append(vec, naNum(lon));
- naVec_append(vec, naNum(alt));
- return vec;
-}
-
-// Convert a geodetic lat/lon/altitude to a cartesian point.
-static naRef f_geodtocart(naContext c, naRef me, int argc, naRef* args)
-{
- if(argc != 3) naRuntimeError(c, "geodtocart() expects 3 arguments");
- double lat = naNumValue(args[0]).num * SG_DEGREES_TO_RADIANS;
- double lon = naNumValue(args[1]).num * SG_DEGREES_TO_RADIANS;
- double alt = naNumValue(args[2]).num;
- double xyz[3];
- sgGeodToCart(lat, lon, alt, xyz);
- naRef vec = naNewVector(c);
- naVec_append(vec, naNum(xyz[0]));
- naVec_append(vec, naNum(xyz[1]));
- naVec_append(vec, naNum(xyz[2]));
- return vec;
-}
-
-// For given geodetic point return array with elevation, and a material data
-// hash, or nil if there's no information available (tile not loaded). If
-// information about the material isn't available, then nil is returned instead
-// of the hash.
-static naRef f_geodinfo(naContext c, naRef me, int argc, naRef* args)
-{
-#define HASHSET(s,l,n) naHash_set(matdata, naStr_fromdata(naNewString(c),s,l),n)
- if(argc < 2 || argc > 3)
- naRuntimeError(c, "geodinfo() expects 2 or 3 arguments: lat, lon [, maxalt]");
- double lat = naNumValue(args[0]).num;
- double lon = naNumValue(args[1]).num;
- double elev = argc == 3 ? naNumValue(args[2]).num : 10000;
- const SGMaterial *mat;
- SGGeod geod = SGGeod::fromDegM(lon, lat, elev);
- if(!globals->get_scenery()->get_elevation_m(geod, elev, &mat))
- return naNil();
- naRef vec = naNewVector(c);
- naVec_append(vec, naNum(elev));
- naRef matdata = naNil();
- if(mat) {
- matdata = naNewHash(c);
- naRef names = naNewVector(c);
- const vector<string> n = mat->get_names();
- for(unsigned int i=0; i<n.size(); i++)
- naVec_append(names, naStr_fromdata(naNewString(c),
- const_cast<char*>(n[i].c_str()), n[i].size()));
- HASHSET("names", 5, names);
- HASHSET("solid", 5, naNum(mat->get_solid()));
- HASHSET("friction_factor", 15, naNum(mat->get_friction_factor()));
- HASHSET("rolling_friction", 16, naNum(mat->get_rolling_friction()));
- HASHSET("load_resistance", 15, naNum(mat->get_load_resistance()));
- HASHSET("bumpiness", 9, naNum(mat->get_bumpiness()));
- HASHSET("light_coverage", 14, naNum(mat->get_light_coverage()));
- }
- naVec_append(vec, matdata);
- return vec;
-#undef HASHSET
-}
-
-// Expose a radio transmission interface to Nasal.
-static naRef f_radioTransmission(naContext c, naRef me, int argc, naRef* args)
-{
- double lat, lon, elev, heading, pitch;
- if(argc != 5) naRuntimeError(c, "radioTransmission() expects 5 arguments");
- for(int i=0; i<argc; i++) {
- if(naIsNil(args[i]))
- return naNil();
- }
- lat = naNumValue(args[0]).num;
- lon = naNumValue(args[1]).num;
- elev = naNumValue(args[2]).num;
- heading = naNumValue(args[3]).num;
- pitch = naNumValue(args[4]).num;
- SGGeod geod = SGGeod::fromDegM(lon, lat, elev * SG_FEET_TO_METER);
- FGRadioTransmission *radio = new FGRadioTransmission;
- double signal = radio->receiveBeacon(geod, heading, pitch);
- delete radio;
- return naNum(signal);
-}
-
-
-class AirportInfoFilter : public FGAirport::AirportFilter
-{
-public:
- AirportInfoFilter() : type(FGPositioned::AIRPORT) {
- }
-
- virtual FGPositioned::Type minType() const {
- return type;
- }
-
- virtual FGPositioned::Type maxType() const {
- return type;
- }
-
- FGPositioned::Type type;
-};
-
-// Returns data hash for particular or nearest airport of a <type>, or nil
-// on error.
-//
-// airportinfo(<id>); e.g. "KSFO"
-// airportinfo(<type>); type := ("airport"|"seaport"|"heliport")
-// airportinfo() same as airportinfo("airport")
-// airportinfo(<lat>, <lon> [, <type>]);
-static naRef f_airportinfo(naContext c, naRef me, int argc, naRef* args)
-{
- static SGConstPropertyNode_ptr latn = fgGetNode("/position/latitude-deg", true);
- static SGConstPropertyNode_ptr lonn = fgGetNode("/position/longitude-deg", true);
- SGGeod pos;
- FGAirport* apt = NULL;
-
- if(argc >= 2 && naIsNum(args[0]) && naIsNum(args[1])) {
- pos = SGGeod::fromDeg(args[1].num, args[0].num);
- args += 2;
- argc -= 2;
- } else {
- pos = SGGeod::fromDeg(lonn->getDoubleValue(), latn->getDoubleValue());
- }
-
- double maxRange = 10000.0; // expose this? or pick a smaller value?
-
- AirportInfoFilter filter; // defaults to airports only
-
- if(argc == 0) {
- // fall through and use AIRPORT
- } else if(argc == 1 && naIsString(args[0])) {
- const char *s = naStr_data(args[0]);
- if(!strcmp(s, "airport")) filter.type = FGPositioned::AIRPORT;
- else if(!strcmp(s, "seaport")) filter.type = FGPositioned::SEAPORT;
- else if(!strcmp(s, "heliport")) filter.type = FGPositioned::HELIPORT;
- else {
- // user provided an <id>, hopefully
- apt = FGAirport::findByIdent(s);
- if (!apt) {
- // return nil here, but don't raise a runtime error; this is a
- // legitamate way to validate an ICAO code, for example in a
- // dialog box or similar.
- return naNil();
- }
- }
- } else {
- naRuntimeError(c, "airportinfo() with invalid function arguments");
- return naNil();
- }
-
- if(!apt) {
- apt = FGAirport::findClosest(pos, maxRange, &filter);
- if(!apt) return naNil();
- }
-
- string id = apt->ident();
- string name = apt->name();
-
- // set runway hash
- naRef rwys = naNewHash(c);
- for(unsigned int r=0; r<apt->numRunways(); ++r) {
- FGRunway* rwy(apt->getRunwayByIndex(r));
-
- naRef rwyid = naStr_fromdata(naNewString(c),
- const_cast<char *>(rwy->ident().c_str()),
- rwy->ident().length());
-
- naRef rwydata = naNewHash(c);
-#define HASHSET(s,l,n) naHash_set(rwydata, naStr_fromdata(naNewString(c),s,l),n)
- HASHSET("id", 2, rwyid);
- HASHSET("lat", 3, naNum(rwy->latitude()));
- HASHSET("lon", 3, naNum(rwy->longitude()));
- HASHSET("heading", 7, naNum(rwy->headingDeg()));
- HASHSET("length", 6, naNum(rwy->lengthM()));
- HASHSET("width", 5, naNum(rwy->widthM()));
- HASHSET("threshold", 9, naNum(rwy->displacedThresholdM()));
- HASHSET("stopway", 7, naNum(rwy->stopwayM()));
-
- if (rwy->ILS()) {
- HASHSET("ils_frequency_mhz", 17, naNum(rwy->ILS()->get_freq() / 100.0));
- }
-
- std::vector<flightgear::SID*> sids(rwy->getSIDs());
- naRef sidVec = naNewVector(c);
-
- for (unsigned int s=0; s < sids.size(); ++s) {
- naRef procId = naStr_fromdata(naNewString(c),
- const_cast<char *>(sids[s]->ident().c_str()),
- sids[s]->ident().length());
- naVec_append(sidVec, procId);
- }
- HASHSET("sids", 4, sidVec);
-
- std::vector<flightgear::STAR*> stars(rwy->getSTARs());
- naRef starVec = naNewVector(c);
-
- for (unsigned int s=0; s < stars.size(); ++s) {
- naRef procId = naStr_fromdata(naNewString(c),
- const_cast<char *>(stars[s]->ident().c_str()),
- stars[s]->ident().length());
- naVec_append(starVec, procId);
- }
- HASHSET("stars", 5, starVec);
-
-#undef HASHSET
- naHash_set(rwys, rwyid, rwydata);
- }
-
- // set airport hash
- naRef aptdata = naNewHash(c);
-#define HASHSET(s,l,n) naHash_set(aptdata, naStr_fromdata(naNewString(c),s,l),n)
- HASHSET("id", 2, naStr_fromdata(naNewString(c),
- const_cast<char *>(id.c_str()), id.length()));
- HASHSET("name", 4, naStr_fromdata(naNewString(c),
- const_cast<char *>(name.c_str()), name.length()));
- HASHSET("lat", 3, naNum(apt->getLatitude()));
- HASHSET("lon", 3, naNum(apt->getLongitude()));
- HASHSET("elevation", 9, naNum(apt->getElevation() * SG_FEET_TO_METER));
- HASHSET("has_metar", 9, naNum(apt->getMetar()));
- HASHSET("runways", 7, rwys);
-#undef HASHSET
- return aptdata;
-}
-
-
-// Returns vector of data hash for navaid of a <type>, nil on error
-// navaids sorted by ascending distance
-// navinfo([<lat>,<lon>],[<type>],[<id>])
-// lat/lon (numeric): use latitude/longitude instead of ac position
-// type: ("fix"|"vor"|"ndb"|"ils"|"dme"|"tacan"|"any")
-// id: (partial) id of the fix
-// examples:
-// navinfo("vor") returns all vors
-// navinfo("HAM") return all navaids who's name start with "HAM"
-// navinfo("vor", "HAM") return all vor who's name start with "HAM"
-//navinfo(34,48,"vor","HAM") return all vor who's name start with "HAM"
-// sorted by distance relative to lat=34, lon=48
-static naRef f_navinfo(naContext c, naRef me, int argc, naRef* args)
-{
- static SGConstPropertyNode_ptr latn = fgGetNode("/position/latitude-deg", true);
- static SGConstPropertyNode_ptr lonn = fgGetNode("/position/longitude-deg", true);
- SGGeod pos;
-
- if(argc >= 2 && naIsNum(args[0]) && naIsNum(args[1])) {
- pos = SGGeod::fromDeg(args[1].num, args[0].num);
- args += 2;
- argc -= 2;
- } else {
- pos = SGGeod::fromDeg(lonn->getDoubleValue(), latn->getDoubleValue());
- }
-
- FGPositioned::Type type = FGPositioned::INVALID;
- nav_list_type navlist;
- const char * id = "";
-
- if(argc > 0 && naIsString(args[0])) {
- const char *s = naStr_data(args[0]);
- if(!strcmp(s, "any")) type = FGPositioned::INVALID;
- else if(!strcmp(s, "fix")) type = FGPositioned::FIX;
- else if(!strcmp(s, "vor")) type = FGPositioned::VOR;
- else if(!strcmp(s, "ndb")) type = FGPositioned::NDB;
- else if(!strcmp(s, "ils")) type = FGPositioned::ILS;
- else if(!strcmp(s, "dme")) type = FGPositioned::DME;
- else if(!strcmp(s, "tacan")) type = FGPositioned::TACAN;
- else id = s; // this is an id
- ++args;
- --argc;
- }
-
- if(argc > 0 && naIsString(args[0])) {
- if( *id != 0 ) {
- naRuntimeError(c, "navinfo() called with navaid id");
- return naNil();
- }
- id = naStr_data(args[0]);
- ++args;
- --argc;
- }
-
- if( argc > 0 ) {
- naRuntimeError(c, "navinfo() called with too many arguments");
- return naNil();
- }
-
- navlist = globals->get_navlist()->findByIdentAndFreq( pos, id, 0.0, type );
-
- naRef reply = naNewVector(c);
- for( nav_list_type::const_iterator it = navlist.begin(); it != navlist.end(); ++it ) {
- const FGNavRecord * nav = *it;
-
- // set navdata hash
- naRef navdata = naNewHash(c);
-#define HASHSET(s,l,n) naHash_set(navdata, naStr_fromdata(naNewString(c),s,l),n)
- HASHSET("id", 2, naStr_fromdata(naNewString(c),
- const_cast<char *>(nav->ident().c_str()), nav->ident().length()));
- HASHSET("name", 4, naStr_fromdata(naNewString(c),
- const_cast<char *>(nav->name().c_str()), nav->name().length()));
- HASHSET("frequency", 9, naNum(nav->get_freq()));
- HASHSET("lat", 3, naNum(nav->get_lat()));
- HASHSET("lon", 3, naNum(nav->get_lon()));
- HASHSET("elevation", 9, naNum(nav->get_elev_ft() * SG_FEET_TO_METER));
- HASHSET("type", 4, naStr_fromdata(naNewString(c),
- const_cast<char *>(nav->nameForType(nav->type())), strlen(nav->nameForType(nav->type()))));
- HASHSET("distance", 8, naNum(SGGeodesy::distanceNm( pos, nav->geod() ) * SG_NM_TO_METER ) );
- HASHSET("bearing", 7, naNum(SGGeodesy::courseDeg( pos, nav->geod() ) ) );
-#undef HASHSET
- naVec_append( reply, navdata );
- }
- return reply;
-}
-
// Table of extension functions. Terminate with zeros.
static struct { const char* name; naCFunction func; } funcs[] = {
{ "getprop", f_getprop },
{ "resolvepath", f_resolveDataPath },
{ "parsexml", f_parsexml },
{ "systime", f_systime },
- { "carttogeod", f_carttogeod },
- { "geodtocart", f_geodtocart },
- { "geodinfo", f_geodinfo },
- { "airportinfo", f_airportinfo },
- { "navinfo", f_navinfo },
- { "radioTransmission", f_radioTransmission },
{ 0, 0 }
};
hashset(_globals, funcs[i].name,
naNewFunc(_context, naNewCCode(_context, funcs[i].func)));
+ initNasalPositioned(_globals, _context);
+
// And our SGPropertyNode wrapper
hashset(_globals, "props", genPropsModule());
_dead_listener.clear();
}
+ if (!_loadList.empty())
+ {
+ // process Nasal load hook (only one per update loop to avoid excessive lags)
+ _loadList.pop()->load();
+ }
+ else
+ if (!_unloadList.empty())
+ {
+ // process pending Nasal unload hooks after _all_ load hooks were processed
+ // (only unload one per update loop to avoid excessive lags)
+ _unloadList.pop()->unload();
+ }
+
// The global context is a legacy thing. We use dynamically
// created contexts for naCall() now, so that we can call them
// recursively. But there are still spots that want to use it for
unsigned int FGNasalModelData::_module_id = 0;
-void FGNasalModelData::modelLoaded(const string& path, SGPropertyNode *prop,
- osg::Node *)
+void FGNasalModelData::load()
{
- if(!prop)
- return;
- SGPropertyNode *nasal = prop->getNode("nasal");
- if(!nasal)
- return;
-
- SGPropertyNode *load = nasal->getNode("load");
- _unload = nasal->getNode("unload");
- if(!load && !_unload)
- return;
-
std::stringstream m;
m << "__model" << _module_id++;
_module = m.str();
- const char *s = load ? load->getStringValue() : "";
+ SG_LOG(SG_NASAL, SG_DEBUG, "Loading nasal module " << _module.c_str());
+
+ const char *s = _load ? _load->getStringValue() : "";
naRef arg[2];
arg[0] = nasalSys->propNodeGhost(_root);
- arg[1] = nasalSys->propNodeGhost(prop);
- nasalSys->createModule(_module.c_str(), path.c_str(), s, strlen(s),
+ arg[1] = nasalSys->propNodeGhost(_prop);
+ nasalSys->createModule(_module.c_str(), _path.c_str(), s, strlen(s),
_root, 2, arg);
}
-FGNasalModelData::~FGNasalModelData()
+void FGNasalModelData::unload()
{
- if(_module.empty())
+ if (_module.empty())
return;
if(!nasalSys) {
return;
}
- if(_unload) {
+ SG_LOG(SG_NASAL, SG_DEBUG, "Unloading nasal module " << _module.c_str());
+
+ if (_unload)
+ {
const char *s = _unload->getStringValue();
nasalSys->createModule(_module.c_str(), _module.c_str(), s, strlen(s), _root);
}
+
nasalSys->deleteModule(_module.c_str());
}
+void FGNasalModelDataProxy::modelLoaded(const string& path, SGPropertyNode *prop,
+ osg::Node *)
+{
+ if(!nasalSys) {
+ SG_LOG(SG_NASAL, SG_WARN, "Trying to run a <load> script "
+ "without Nasal subsystem present.");
+ return;
+ }
+
+ if(!prop)
+ return;
+
+ SGPropertyNode *nasal = prop->getNode("nasal");
+ if(!nasal)
+ return;
+
+ SGPropertyNode* load = nasal->getNode("load");
+ SGPropertyNode* unload = nasal->getNode("unload");
+
+ if ((!load) && (!unload))
+ return;
+
+ _data = new FGNasalModelData(_root, path, prop, load, unload);
+
+ // register Nasal module to be created and loaded in the main thread.
+ nasalSys->registerToLoad(_data);
+}
+FGNasalModelDataProxy::~FGNasalModelDataProxy()
+{
+ // when necessary, register Nasal module to be destroyed/unloaded
+ // in the main thread.
+ if ((_data.valid())&&(nasalSys))
+ nasalSys->registerToUnload(_data);
+}
// NasalXMLVisitor class: handles EasyXML visitor callback for parsexml()
//
projects / flightgear.git / blobdiff