#endif
#include <simgear/compiler.h>
+#include <simgear/sg_inlines.h>
#include <simgear/math/sg_geodesy.hxx>
#include <simgear/math/sg_random.h>
+#include <simgear/sound/sample_group.hxx>
#include <Main/fg_props.hxx>
#include <Navaids/navlist.hxx>
+#include <Sound/audioident.hxx>
#include "dme.hxx"
-
/**
* Adjust the range.
*
return range_nm + (range_nm * rand * rand);
}
+namespace {
+
+ class DMEFilter : public FGNavList::TypeFilter
+ {
+ public:
+ DMEFilter() :
+ TypeFilter(FGPositioned::DME),
+ _locEnabled(fgGetBool("/sim/realism/dme-fallback-to-loc", true))
+ {
+ if (_locEnabled) {
+ _mintype = FGPositioned::ILS;
+ }
+ }
+
+ virtual bool pass(FGPositioned* pos) const
+ {
+ switch (pos->type()) {
+ case FGPositioned::DME: return true;
+ case FGPositioned::ILS:
+ case FGPositioned::LOC: return _locEnabled;
+ default: return false;
+ }
+ }
+
+ private:
+ const bool _locEnabled;
+ };
+
+} // of anonymous namespace
+
DME::DME ( SGPropertyNode *node )
: _last_distance_nm(0),
_last_frequency_mhz(-1),
_time_before_search_sec(0),
- _transmitter_valid(false),
- _transmitter_elevation_ft(0),
- _transmitter_range_nm(0),
- _transmitter_bias(0.0),
+ _navrecord(NULL),
_name(node->getStringValue("name", "dme")),
- _num(node->getIntValue("number", 0))
+ _num(node->getIntValue("number", 0)),
+ _audioIdent(NULL)
{
}
DME::~DME ()
{
+ delete _audioIdent;
}
void
DME::init ()
{
- string branch;
+ std::string branch;
branch = "/instrumentation/" + _name;
SGPropertyNode *node = fgGetNode(branch.c_str(), _num, true );
- _longitude_node = fgGetNode("/position/longitude-deg", true);
- _latitude_node = fgGetNode("/position/latitude-deg", true);
- _altitude_node = fgGetNode("/position/altitude-ft", true);
_serviceable_node = node->getChild("serviceable", 0, true);
_electrical_node = fgGetNode("/systems/electrical/outputs/dme", true);
SGPropertyNode *fnode = node->getChild("frequencies", 0, true);
_distance_node = node->getChild("indicated-distance-nm", 0, true);
_speed_node = node->getChild("indicated-ground-speed-kt", 0, true);
_time_node = node->getChild("indicated-time-min", 0, true);
+
+ double d = node->getDoubleValue( "volume", 1.0 );
+ _volume_node = node->getChild("volume", 0, true);
+ _volume_node->setDoubleValue( d );
+
+ bool b = node->getBoolValue( "ident", false );
+ _ident_btn_node = node->getChild("ident", 0, true);
+ _ident_btn_node->setBoolValue( b );
+
+ std::ostringstream temp;
+ temp << _name << "-ident-" << _num;
+ if( NULL == _audioIdent )
+ _audioIdent = new DMEAudioIdent( temp.str() );
+ _audioIdent->init();
+
+ reinit();
+}
+
+void
+DME::reinit ()
+{
+ _time_before_search_sec = 0;
}
void
DME::update (double delta_time_sec)
{
+ if( delta_time_sec < SGLimitsd::min() )
+ return; //paused
+
// Figure out the source
const char * source = _source_node->getStringValue();
if (source[0] == '\0') {
- string branch;
+ std::string branch;
branch = "/instrumentation/" + _name + "/frequencies/selected-mhz";
_source_node->setStringValue(branch.c_str());
source = _source_node->getStringValue();
_time_before_search_sec = 0;
_last_frequency_mhz = frequency_mhz;
}
+ _frequency_node->setDoubleValue(frequency_mhz);
// Get the aircraft position
- double longitude_rad =
- _longitude_node->getDoubleValue() * SGD_DEGREES_TO_RADIANS;
- double latitude_rad =
- _latitude_node->getDoubleValue() * SGD_DEGREES_TO_RADIANS;
- double altitude_m =
- _altitude_node->getDoubleValue() * SG_FEET_TO_METER;
-
- // On timeout, scan again
+ // On timeout, scan again
_time_before_search_sec -= delta_time_sec;
- if (_time_before_search_sec < 0)
- search(frequency_mhz, longitude_rad,
- latitude_rad, altitude_m);
+ if (_time_before_search_sec < 0) {
+ _time_before_search_sec = 1.0;
+
+ SGGeod pos(globals->get_aircraft_position());
+ DMEFilter filter;
+ _navrecord = FGNavList::findByFreq(frequency_mhz, pos, &filter);
+ }
- // If it's off, don't bother.
+ // If it's off, don't bother.
if (!_serviceable_node->getBoolValue() ||
!_electrical_node->getBoolValue() ||
- !_transmitter_valid) {
+ NULL == _navrecord ) {
_last_distance_nm = 0;
_in_range_node->setBoolValue(false);
_distance_node->setDoubleValue(0);
_speed_node->setDoubleValue(0);
_time_node->setDoubleValue(0);
+ _audioIdent->setIdent("", 0.0 );
return;
}
- // Calculate the distance to the transmitter
- SGGeod geod = SGGeod::fromRadM(longitude_rad, latitude_rad, altitude_m);
- SGVec3d location = SGVec3d::fromGeod(geod);
+ // Calculate the distance to the transmitter
+ SGVec3d location = SGVec3d::fromGeod(globals->get_aircraft_position());
- double distance_nm = dist(_transmitter, location) * SG_METER_TO_NM;
+ double distance_nm = dist(_navrecord->cart(), location) * SG_METER_TO_NM;
- double range_nm = adjust_range(_transmitter_elevation_ft,
- altitude_m * SG_METER_TO_FEET,
- _transmitter_range_nm);
+ double range_nm = adjust_range(_navrecord->get_elev_ft(),
+ globals->get_aircraft_position().getElevationFt(),
+ _navrecord->get_range());
if (distance_nm <= range_nm) {
+ double volume = _volume_node->getDoubleValue();
+ if( false == _ident_btn_node->getBoolValue() )
+ volume = 0.0;
+
+ _audioIdent->setIdent(_navrecord->ident(), volume );
+
double speed_kt = (fabs(distance_nm - _last_distance_nm) *
((1 / delta_time_sec) * 3600.0));
_last_distance_nm = distance_nm;
_in_range_node->setBoolValue(true);
- double tmp_dist = distance_nm - _transmitter_bias;
+ double tmp_dist = distance_nm - _navrecord->get_multiuse();
if ( tmp_dist < 0.0 ) {
tmp_dist = 0.0;
}
_distance_node->setDoubleValue(0);
_speed_node->setDoubleValue(0);
_time_node->setDoubleValue(0);
+ _audioIdent->setIdent("", 0.0 );
}
-}
-
-void
-DME::search (double frequency_mhz, double longitude_rad,
- double latitude_rad, double altitude_m)
-{
- // reset search time
- _time_before_search_sec = 1.0;
-
- // try the ILS list first
- FGNavRecord *dme = globals->get_dmelist()->findByFreq( frequency_mhz,
- SGGeod::fromRadM(longitude_rad, latitude_rad, altitude_m));
-
- _transmitter_valid = (dme != NULL);
-
- if ( _transmitter_valid ) {
- _transmitter = dme->cart();
- _transmitter_elevation_ft = dme->get_elev_ft();
- _transmitter_range_nm = dme->get_range();
- _transmitter_bias = dme->get_multiuse();
- }
+ _audioIdent->update( delta_time_sec );
}
// end of dme.cxx
projects / flightgear.git / blobdiff