1 // Wx Radar background texture
3 // Written by Harald JOHNSEN, started May 2005.
4 // With major amendments by Vivian MEAZZA May 2007
5 // Ported to OSG by Tim MOORE Jun 2007
7 // Copyright (C) 2005 Harald JOHNSEN - hjohnsen@evc.net
9 // This program is free software; you can redistribute it and/or
10 // modify it under the terms of the GNU General Public License as
11 // published by the Free Software Foundation; either version 2 of the
12 // License, or (at your option) any later version.
14 // This program is distributed in the hope that it will be useful, but
15 // WITHOUT ANY WARRANTY; without even the implied warranty of
16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 // General Public License for more details.
19 // You should have received a copy of the GNU General Public License
20 // along with this program; if not, write to the Free Software
21 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
26 #include <osg/ref_ptr>
28 #include <osg/Texture2D>
29 #include <osgText/Text>
31 #include <simgear/props/props.hxx>
32 #include <simgear/structure/subsystem_mgr.hxx>
33 #include <simgear/math/sg_geodesy.hxx>
42 class NavDisplay : public SGSubsystem
46 NavDisplay(SGPropertyNode *node);
47 virtual ~NavDisplay();
50 virtual void update(double dt);
56 double _updateInterval;
58 SGPropertyNode_ptr _serviceable_node;
59 SGPropertyNode_ptr _Instrument;
60 SGPropertyNode_ptr _radar_mode_control_node;
62 SGPropertyNode_ptr _user_lat_node;
63 SGPropertyNode_ptr _user_lon_node;
64 SGPropertyNode_ptr _user_heading_node;
65 SGPropertyNode_ptr _user_alt_node;
69 // Convenience function for creating a property node with a
71 template<typename DefaultType>
72 SGPropertyNode *getInstrumentNode(const char *name, DefaultType value);
77 typedef enum { ARC, MAP, PLAN, ROSE, BSCAN} DisplayMode;
78 DisplayMode _display_mode;
80 float _scale; // factor to convert nm to display units
84 SGPropertyNode_ptr _Radar_controls;
86 SGPropertyNode_ptr _radar_weather_node;
87 SGPropertyNode_ptr _radar_position_node;
88 SGPropertyNode_ptr _radar_data_node;
89 SGPropertyNode_ptr _radar_symbol_node;
90 SGPropertyNode_ptr _radar_arpt_node;
91 SGPropertyNode_ptr _radar_station_node;
93 SGPropertyNode_ptr _radar_centre_node;
94 SGPropertyNode_ptr _radar_coverage_node;
95 SGPropertyNode_ptr _radar_ref_rng_node;
96 SGPropertyNode_ptr _radar_hdg_marker_node;
97 SGPropertyNode_ptr _radar_rotate_node;
98 SGPropertyNode_ptr _radar_tcas_node;
99 SGPropertyNode_ptr _radar_absalt_node;
101 SGPropertyNode_ptr _draw_track_node;
102 SGPropertyNode_ptr _draw_heading_node;
103 SGPropertyNode_ptr _draw_north_node;
104 SGPropertyNode_ptr _draw_fix_node;
106 SGPropertyNode_ptr _font_node;
107 SGPropertyNode_ptr _ai_enabled_node;
108 SGPropertyNode_ptr _navRadio1Node;
109 SGPropertyNode_ptr _navRadio2Node;
111 osg::ref_ptr<osg::Texture2D> _resultTexture;
112 osg::ref_ptr<osg::Texture2D> _symbols;
113 osg::ref_ptr<osg::Geode> _radarGeode;
114 osg::ref_ptr<osg::Geode> _textGeode;
116 osg::Geometry *_geom;
118 osg::DrawArrays* _symbolPrimSet;
119 osg::Vec2Array *_vertices;
120 osg::Vec2Array *_texCoords;
121 osg::Vec3Array* _quadColors;
123 osg::Geometry* _lineGeometry;
124 osg::DrawArrays* _linePrimSet;
125 osg::Vec2Array* _lineVertices;
126 osg::Vec3Array* _lineColors;
129 osg::Matrixf _centerTrans;
130 osg::Matrixf _projectMat;
132 osg::ref_ptr<osgText::Font> _font;
133 osg::Vec4 _font_color;
134 osg::Vec4 _tcas_colors[4];
143 void update_aircraft();
144 void update_stations();
145 void update_airports();
146 void update_waypoints();
148 bool update_tcas(const SGPropertyNode *model, const SGGeod& modelPos,
149 double user_alt,double alt, bool absMode);
150 void update_data(const SGPropertyNode *ac, double altitude, double heading,
151 double radius, double bearing, bool selected);
154 osg::Matrixf project(const SGGeod& geod) const;
155 osg::Vec2 projectBearingRange(double bearingDeg, double rangeNm) const;
156 osg::Vec2 projectGeod(const SGGeod& geod) const;
158 void addSymbol(const SGGeod& pos, int symbolIndex,
159 const std::string& data, const osg::Vec3& color);
161 void addLine(osg::Vec2 a, osg::Vec2 b, const osg::Vec3& color);
163 FGNavRecord* drawTunedNavaid(const SGPropertyNode_ptr& radio );
166 #endif // _INST_ND_HXX