//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
-// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id$
#include <simgear/compiler.h>
#include <simgear/math/sg_random.h>
+#include <simgear/misc/sg_path.hxx>
-#include <Aircraft/aircraft.hxx>
#include <Navaids/navlist.hxx>
#include "marker_beacon.hxx"
#include <string>
-SG_USING_STD(string);
+using std::string;
// Constructor
FGMarkerBeacon::FGMarkerBeacon(SGPropertyNode *node) :
+ audio_vol(NULL),
need_update(true),
outer_blink(false),
middle_blink(false),
inner_blink(false),
name("marker-beacon"),
num(0),
- _time_before_search_sec(0.0)
+ _time_before_search_sec(0.0),
+ _sgr(NULL)
{
SGPath path( globals->get_fg_root() );
SGPath term = path;
low_tbl = new SGInterpTable( low.str() );
high_tbl = new SGInterpTable( high.str() );
- int i;
- for ( i = 0; i < node->nChildren(); ++i ) {
+ for ( int i = 0; i < node->nChildren(); ++i ) {
SGPropertyNode *child = node->getChild(i);
string cname = child->getName();
string cval = child->getStringValue();
} else if ( cname == "number" ) {
num = child->getIntValue();
} else {
- SG_LOG( SG_INSTR, SG_WARN,
+ SG_LOG( SG_INSTR, SG_WARN,
"Error in marker beacon config logic" );
if ( name.length() ) {
SG_LOG( SG_INSTR, SG_WARN, "Section = " << name );
// Destructor
-FGMarkerBeacon::~FGMarkerBeacon()
+FGMarkerBeacon::~FGMarkerBeacon()
{
delete term_tbl;
delete low_tbl;
SGPropertyNode *node = fgGetNode(branch.c_str(), num, true );
// Inputs
- sound_pause = fgGetNode("/sim/sound/pause", false);
+ sound_working = fgGetNode("/sim/sound/working", true);
lon_node = fgGetNode("/position/longitude-deg", true);
lat_node = fgGetNode("/position/latitude-deg", true);
alt_node = fgGetNode("/position/altitude-ft", true);
bus_power = fgGetNode("/systems/electrical/outputs/nav[0]", true);
power_btn = node->getChild("power-btn", 0, true);
audio_btn = node->getChild("audio-btn", 0, true);
+ audio_vol = node->getChild("volume", 0, true);
serviceable = node->getChild("serviceable", 0, true);
- power_btn->setBoolValue( true );
- audio_btn->setBoolValue( true );
- serviceable->setBoolValue( true );
+ if (power_btn->getType() == simgear::props::NONE)
+ power_btn->setBoolValue( true );
+ if (audio_btn->getType() == simgear::props::NONE)
+ audio_btn->setBoolValue( true );
+ if (serviceable->getType() == simgear::props::NONE)
+ serviceable->setBoolValue( true );
+
+ SGSoundMgr *smgr = globals->get_soundmgr();
+ _sgr = smgr->find("avionics", true);
+ _sgr->tie_to_listener();
morse.init();
beacon.init();
blink.stamp();
+
+ outer_marker = middle_marker = inner_marker = false;
}
branch = "/instrumentation/" + name;
fgTie((branch + "/inner").c_str(), this,
- &FGMarkerBeacon::get_inner_blink);
+ &FGMarkerBeacon::get_inner_blink);
fgTie((branch + "/middle").c_str(), this,
- &FGMarkerBeacon::get_middle_blink);
+ &FGMarkerBeacon::get_middle_blink);
fgTie((branch + "/outer").c_str(), this,
- &FGMarkerBeacon::get_outer_blink);
+ &FGMarkerBeacon::get_outer_blink);
}
// Update the various nav values based on position and valid tuned in navs
-void
-FGMarkerBeacon::update(double dt)
+void
+FGMarkerBeacon::update(double dt)
{
need_update = false;
+ // On timeout, scan again, this needs to run every iteration no
+ // matter what the power or serviceable state. If power is turned
+ // off or the unit becomes unserviceable while a beacon sound is
+ // playing, the search() routine still needs to be called so the
+ // sound effect can be properly disabled.
+
+ _time_before_search_sec -= dt;
+ if ( _time_before_search_sec < 0 ) {
+ search();
+ }
+
if ( has_power() && serviceable->getBoolValue()
- && !sound_pause->getBoolValue()) {
+ && sound_working->getBoolValue()) {
- // On timeout, scan again
- _time_before_search_sec -= dt;
- if ( _time_before_search_sec < 0 ) {
- search();
- }
// marker beacon blinking
bool light_on = ( outer_blink || middle_blink || inner_blink );
- SGTimeStamp current;
- current.stamp();
+ SGTimeStamp current = SGTimeStamp::now();
- if ( light_on && (current - blink > 400000) ) {
+ if ( light_on && blink + SGTimeStamp::fromUSec(400000) < current ) {
light_on = false;
- blink.stamp();
- } else if ( !light_on && (current - blink > 100000) ) {
+ blink = current;
+ } else if ( !light_on && blink + SGTimeStamp::fromUSec(100000) < current ) {
light_on = true;
- blink.stamp();
+ blink = current;
}
if ( outer_marker ) {
}
-static bool check_beacon_range( double lon_rad, double lat_rad, double elev_m,
- FGNavRecord *b )
+static bool check_beacon_range( const SGGeod& pos,
+ FGPositioned *b )
{
- Point3D aircraft = sgGeodToCart( Point3D(lon_rad, lat_rad, elev_m) );
- Point3D station = Point3D( b->get_x(), b->get_y(), b->get_z() );
- // cout << " aircraft = " << aircraft << " station = " << station
- // << endl;
-
- double d = aircraft.distance3Dsquared( station ); // meters^2
- // cout << " distance = " << d << " ("
- // << FG_ILS_DEFAULT_RANGE * SG_NM_TO_METER
+ double d = distSqr(b->cart(), SGVec3d::fromGeod(pos));
+ // cout << " distance = " << d << " ("
+ // << FG_ILS_DEFAULT_RANGE * SG_NM_TO_METER
// * FG_ILS_DEFAULT_RANGE * SG_NM_TO_METER
// << ")" << endl;
-
- // cout << " range = " << sqrt(d) << endl;
+
+ //std::cout << " range = " << sqrt(d) << std::endl;
// cout << "elev = " << elev * SG_METER_TO_FEET
// << " current->get_elev() = " << current->get_elev() << endl;
- double elev_ft = elev_m * SG_METER_TO_FEET;
- double delev = elev_ft - b->get_elev_ft();
+ double elev_ft = pos.getElevationFt();
+ double delev = elev_ft - b->elevation();
// max range is the area under r = 2.4 * alt or r^2 = 4000^2 - alt^2
// whichever is smaller. The intersection point is 1538 ...
maxrange2 = 0.0;
}
maxrange2 *= SG_FEET_TO_METER * SG_FEET_TO_METER; // convert to meter^2
- // cout << "delev = " << delev << " maxrange = " << maxrange << endl;
+ //std::cout << "delev = " << delev << " maxrange = " << sqrt(maxrange2) << std::endl;
// match up to twice the published range so we can model
// reduced signal strength
}
}
-// Update current nav/adf radio stations based on current postition
-void FGMarkerBeacon::search()
+class BeaconFilter : public FGPositioned::Filter
{
+public:
+ virtual FGPositioned::Type minType() const {
+ return FGPositioned::OM;
+ }
+
+ virtual FGPositioned::Type maxType() const {
+ return FGPositioned::IM;
+ }
+};
+
+// Update current nav/adf radio stations based on current postition
+void FGMarkerBeacon::search()
+{
// reset search time
_time_before_search_sec = 1.0;
static fgMkrBeacType last_beacon = NOBEACON;
- double lon_rad = lon_node->getDoubleValue() * SGD_DEGREES_TO_RADIANS;
- double lat_rad = lat_node->getDoubleValue() * SGD_DEGREES_TO_RADIANS;
- double elev_m = alt_node->getDoubleValue() * SG_FEET_TO_METER;
+ SGGeod pos = SGGeod::fromDegFt(lon_node->getDoubleValue(),
+ lat_node->getDoubleValue(),
+ alt_node->getDoubleValue());
////////////////////////////////////////////////////////////////////////
// Beacons.
////////////////////////////////////////////////////////////////////////
- // get closest marker beacon
- FGNavRecord *b
- = globals->get_mkrlist()->findClosest( lon_rad, lat_rad, elev_m );
-
- // cout << "marker beacon = " << b << " (" << b->get_type() << ")" << endl;
+ // get closest marker beacon - within a 1nm cutoff
+ BeaconFilter filter;
+ FGPositionedRef b = FGPositioned::findClosest(pos, 1.0, &filter);
fgMkrBeacType beacon_type = NOBEACON;
bool inrange = false;
if ( b != NULL ) {
- if ( b->get_type() == 7 ) {
+ if ( b->type() == FGPositioned::OM ) {
beacon_type = OUTER;
- } else if ( b->get_type() == 8 ) {
+ } else if ( b->type() == FGPositioned::MM ) {
beacon_type = MIDDLE;
- } else if ( b->get_type() == 9 ) {
+ } else if ( b->type() == FGPositioned::IM ) {
beacon_type = INNER;
}
- inrange = check_beacon_range( lon_rad, lat_rad, elev_m, b );
- // cout << " inrange = " << inrange << endl;
+ inrange = check_beacon_range( pos, b.ptr() );
}
outer_marker = middle_marker = inner_marker = false;
if ( b == NULL || !inrange || !has_power() || !serviceable->getBoolValue() )
{
- // cout << "no marker" << endl;
- globals->get_soundmgr()->stop( "outer-marker" );
- globals->get_soundmgr()->stop( "middle-marker" );
- globals->get_soundmgr()->stop( "inner-marker" );
- } else if ( beacon_type == OUTER ) {
- outer_marker = true;
- // cout << "OUTER MARKER" << endl;
- if ( last_beacon != OUTER ) {
- if ( ! globals->get_soundmgr()->exists( "outer-marker" ) ) {
- SGSoundSample *sound = beacon.get_outer();
- sound->set_volume( 0.3 );
- globals->get_soundmgr()->add( sound, "outer-marker" );
+ // cout << "no marker" << endl;
+ _sgr->stop( "outer-marker" );
+ _sgr->stop( "middle-marker" );
+ _sgr->stop( "inner-marker" );
+ } else {
+
+ string current_sound_name;
+
+ if ( beacon_type == OUTER ) {
+ outer_marker = true;
+ current_sound_name = "outer-marker";
+ // cout << "OUTER MARKER" << endl;
+ if ( last_beacon != OUTER ) {
+ if ( ! _sgr->exists( current_sound_name ) ) {
+ SGSoundSample *sound = beacon.get_outer();
+ if ( sound ) {
+ _sgr->add( sound, current_sound_name );
+ }
+ }
}
- }
- if ( audio_btn->getBoolValue() ) {
- if ( !globals->get_soundmgr()->is_playing("outer-marker") ) {
- globals->get_soundmgr()->play_looped( "outer-marker" );
+ if ( audio_btn->getBoolValue() ) {
+ if ( !_sgr->is_playing(current_sound_name) ) {
+ _sgr->play_looped( current_sound_name );
+ }
+ } else {
+ _sgr->stop( current_sound_name );
}
- } else {
- globals->get_soundmgr()->stop( "outer-marker" );
- }
- } else if ( beacon_type == MIDDLE ) {
- middle_marker = true;
- // cout << "MIDDLE MARKER" << endl;
- if ( last_beacon != MIDDLE ) {
- if ( ! globals->get_soundmgr()->exists( "middle-marker" ) ) {
- SGSoundSample *sound = beacon.get_middle();
- sound->set_volume( 0.3 );
- globals->get_soundmgr()->add( sound, "middle-marker" );
- }
- }
- if ( audio_btn->getBoolValue() ) {
- if ( !globals->get_soundmgr()->is_playing("middle-marker") ) {
- globals->get_soundmgr()->play_looped( "middle-marker" );
+ } else if ( beacon_type == MIDDLE ) {
+ middle_marker = true;
+ current_sound_name = "middle-marker";
+ // cout << "MIDDLE MARKER" << endl;
+ if ( last_beacon != MIDDLE ) {
+ if ( ! _sgr->exists( current_sound_name ) ) {
+ SGSoundSample *sound = beacon.get_middle();
+ if ( sound ) {
+ _sgr->add( sound, current_sound_name );
+ }
+ }
}
- } else {
- globals->get_soundmgr()->stop( "middle-marker" );
- }
- } else if ( beacon_type == INNER ) {
- inner_marker = true;
- // cout << "INNER MARKER" << endl;
- if ( last_beacon != INNER ) {
- if ( ! globals->get_soundmgr()->exists( "inner-marker" ) ) {
- SGSoundSample *sound = beacon.get_inner();
- sound->set_volume( 0.3 );
- globals->get_soundmgr()->add( sound, "inner-marker" );
- }
- }
- if ( audio_btn->getBoolValue() ) {
- if ( !globals->get_soundmgr()->is_playing("inner-marker") ) {
- globals->get_soundmgr()->play_looped( "inner-marker" );
+ if ( audio_btn->getBoolValue() ) {
+ if ( !_sgr->is_playing(current_sound_name) ) {
+ _sgr->play_looped( current_sound_name );
+ }
+ } else {
+ _sgr->stop( current_sound_name );
+ }
+ } else if ( beacon_type == INNER ) {
+ inner_marker = true;
+ current_sound_name = "inner-marker";
+ // cout << "INNER MARKER" << endl;
+ if ( last_beacon != INNER ) {
+ if ( ! _sgr->exists( current_sound_name ) ) {
+ SGSoundSample *sound = beacon.get_inner();
+ if ( sound ) {
+ _sgr->add( sound, current_sound_name );
+ }
+ }
+ }
+ if ( audio_btn->getBoolValue() ) {
+ if ( !_sgr->is_playing(current_sound_name) ) {
+ _sgr->play_looped( current_sound_name );
+ }
+ } else {
+ _sgr->stop( current_sound_name );
}
- } else {
- globals->get_soundmgr()->stop( "inner-marker" );
}
+ // cout << "VOLUME " << audio_vol->getDoubleValue() << endl;
+ SGSoundSample * mkr = _sgr->find( current_sound_name );
+ if (mkr)
+ mkr->set_volume( audio_vol->getFloatValue() );
}
if ( inrange ) {
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