// Wx Radar background texture
//
// Written by Harald JOHNSEN, started May 2005.
+// With major amendments by Vivian MEAZZA May 2007
+// Ported to OSG by Tim MOORE Jun 2007
//
// Copyright (C) 2005 Harald JOHNSEN - hjohnsen@evc.net
//
// 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-//
-//
#ifndef _INST_WXRADAR_HXX
#define _INST_WXRADAR_HXX
#include <osg/ref_ptr>
+#include <osg/Geode>
#include <osg/Texture2D>
+#include <osgText/Text>
#include <simgear/props/props.hxx>
#include <simgear/structure/subsystem_mgr.hxx>
#include <simgear/environment/visual_enviro.hxx>
-class FGODGauge;
+#include <vector>
+#include <string>
-class wxRadarBg : public SGSubsystem {
+using std::vector;
+using std::string;
+class FGODGauge;
+class wxRadarBg : public SGSubsystem, public SGPropertyChangeListener {
public:
- wxRadarBg ( SGPropertyNode *node );
- wxRadarBg ();
- virtual ~wxRadarBg ();
+ wxRadarBg(SGPropertyNode *node);
+ wxRadarBg();
+ virtual ~wxRadarBg();
- virtual void init ();
- virtual void update (double dt);
+ virtual void init();
+ virtual void update(double dt);
+ virtual void valueChanged(SGPropertyNode *);
-private:
-
- string name;
- int num;
+protected:
+ string _name;
+ int _num;
+ double _time;
+ double _interval;
+ double _elapsed_time;
+ double _persistance;
+ bool _sim_init_done;
SGPropertyNode_ptr _serviceable_node;
SGPropertyNode_ptr _Instrument;
- osg::ref_ptr<osg::Texture2D> resultTexture;
- osg::ref_ptr<osg::Texture2D> wxEcho;
- string last_switchKnob;
- bool sim_init_done;
- FGODGauge *odg;
- list_of_SGWxRadarEcho radarEchoBuffer;
+ SGPropertyNode_ptr _radar_mode_control_node;
+
+ SGPropertyNode_ptr _user_lat_node;
+ SGPropertyNode_ptr _user_lon_node;
+ SGPropertyNode_ptr _user_heading_node;
+ SGPropertyNode_ptr _user_alt_node;
+
+ FGODGauge *_odg;
+
+ typedef struct {
+ double bearing;
+ double range;
+ double elevation;
+ double bumpiness;
+ double elapsed_time;
+ }ground_echo;
+
+ typedef vector <ground_echo*> ground_echo_vector_type;
+ typedef ground_echo_vector_type::iterator ground_echo_vector_iterator;
+
+ ground_echo_vector_type ground_echoes;
+ ground_echo_vector_iterator ground_echoes_iterator;
+
+ // Convenience function for creating a property node with a
+ // default value
+ template<typename DefaultType>
+ SGPropertyNode *getInstrumentNode(const char *name, DefaultType value);
+
+private:
+ string _texture_path;
+
+ typedef enum { ARC, MAP, PLAN, ROSE, BSCAN} DisplayMode;
+ DisplayMode _display_mode;
+
+ string _last_switchKnob;
+
+ float _range_nm;
+ float _scale; // factor to convert nm to display units
+ float _angle_offset;
+ float _view_heading;
+ float _x_offset, _y_offset;
+
+ double _radar_ref_rng;
+ double _lat, _lon;
+ double _antenna_ht;
+
+ SGPropertyNode_ptr _Tacan;
+ SGPropertyNode_ptr _Radar_controls;
+
+ SGPropertyNode_ptr _user_speed_east_fps_node;
+ SGPropertyNode_ptr _user_speed_north_fps_node;
+
+ SGPropertyNode_ptr _tacan_serviceable_node;
+ SGPropertyNode_ptr _tacan_distance_node;
+ SGPropertyNode_ptr _tacan_name_node;
+ SGPropertyNode_ptr _tacan_bearing_node;
+ SGPropertyNode_ptr _tacan_in_range_node;
+
+ SGPropertyNode_ptr _radar_weather_node;
+ SGPropertyNode_ptr _radar_position_node;
+ SGPropertyNode_ptr _radar_data_node;
+ SGPropertyNode_ptr _radar_symbol_node;
+
+ SGPropertyNode_ptr _radar_centre_node;
+ SGPropertyNode_ptr _radar_coverage_node;
+ SGPropertyNode_ptr _radar_ref_rng_node;
+ SGPropertyNode_ptr _radar_hdg_marker_node;
+ SGPropertyNode_ptr _radar_rotate_node;
+
+ SGPropertyNode_ptr _font_node;
+ SGPropertyNode_ptr _ai_enabled_node;
+
+ osg::ref_ptr<osg::Texture2D> _resultTexture;
+ osg::ref_ptr<osg::Texture2D> _wxEcho;
+ osg::ref_ptr<osg::Geode> _radarGeode;
+ osg::ref_ptr<osg::Geode> _textGeode;
+ osg::Geometry *_geom;
+ osg::Vec2Array *_vertices;
+ osg::Vec2Array *_texCoords;
+ osg::Matrixf _centerTrans;
+ osg::ref_ptr<osgText::Font> _font;
+ osg::Vec4 _font_color;
+ float _font_size;
+ float _font_spacing;
+
+ list_of_SGWxRadarEcho _radarEchoBuffer;
+
+ void update_weather();
+ void update_aircraft();
+ void update_tacan();
+ void update_heading_marker();
+ void update_data(const SGPropertyNode *ac, double alt, double heading,
+ double radius, double bearing, bool selected);
+ void center_map();
+ void apply_map_offset();
+ void updateFont();
+ void calcRangeBearing(double lat, double lon, double lat2, double lon2,
+ double &range, double &bearing) const;
+
+ bool withinRadarHorizon(double user_alt, double alt, double range);
+ bool inRadarRange(double sigma, double range);
+
+ float calcRelBearing(float bearing, float heading);
+ float calcRelBearingDeg(float bearing, float heading);
};
+
+template<> inline
+SGPropertyNode *wxRadarBg::getInstrumentNode(const char *name, bool value)
+{
+ SGPropertyNode *result = _Instrument->getNode(name, true);
+ if (!result->hasValue())
+ result->setBoolValue(value);
+ return result;
+}
+
+
+template<> inline
+SGPropertyNode *wxRadarBg::getInstrumentNode(const char *name, double value)
+{
+ SGPropertyNode *result = _Instrument->getNode(name, true);
+ if (!result->hasValue())
+ result->setDoubleValue(value);
+ return result;
+}
+
+
+template<> inline
+SGPropertyNode *wxRadarBg::getInstrumentNode(const char *name, const char *value)
+{
+ SGPropertyNode *result = _Instrument->getNode(name, true);
+ if (result->hasValue())
+ result->setStringValue(value);
+ return result;
+}
+
+
#endif // _INST_WXRADAR_HXX