151 lines
4.2 KiB
C++
151 lines
4.2 KiB
C++
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// Wx Radar background texture
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//
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// Written by Harald JOHNSEN, started May 2005.
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// With major amendments by Vivian MEAZZA May 2007
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// Ported to OSG by Tim MOORE Jun 2007
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//
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// Copyright (C) 2005 Harald JOHNSEN - hjohnsen@evc.net
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#ifndef _INST_ND_HXX
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#define _INST_ND_HXX
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#include <osg/ref_ptr>
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#include <osg/Geode>
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#include <osg/Texture2D>
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#include <osgText/Text>
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#include <simgear/props/props.hxx>
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#include <simgear/structure/subsystem_mgr.hxx>
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#include <simgear/math/sg_geodesy.hxx>
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#include <vector>
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#include <string>
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class FGODGauge;
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class FGRouteMgr;
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class NavDisplay : public SGSubsystem
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{
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public:
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NavDisplay(SGPropertyNode *node);
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virtual ~NavDisplay();
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virtual void init();
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virtual void update(double dt);
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protected:
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string _name;
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int _num;
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double _time;
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double _interval;
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double _elapsed_time;
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double _persistance;
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bool _sim_init_done;
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SGPropertyNode_ptr _serviceable_node;
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SGPropertyNode_ptr _Instrument;
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SGPropertyNode_ptr _radar_mode_control_node;
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SGPropertyNode_ptr _user_lat_node;
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SGPropertyNode_ptr _user_lon_node;
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SGPropertyNode_ptr _user_heading_node;
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SGPropertyNode_ptr _user_alt_node;
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FGODGauge *_odg;
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// Convenience function for creating a property node with a
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// default value
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template<typename DefaultType>
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SGPropertyNode *getInstrumentNode(const char *name, DefaultType value);
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private:
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string _texture_path;
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typedef enum { ARC, MAP, PLAN, ROSE, BSCAN} DisplayMode;
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DisplayMode _display_mode;
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float _scale; // factor to convert nm to display units
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float _angle_offset;
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float _view_heading;
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float _x_offset, _y_offset;
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double _radar_ref_rng;
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double _lat, _lon;
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bool _drawData;
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SGPropertyNode_ptr _Radar_controls;
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SGPropertyNode_ptr _radar_weather_node;
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SGPropertyNode_ptr _radar_position_node;
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SGPropertyNode_ptr _radar_data_node;
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SGPropertyNode_ptr _radar_symbol_node;
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SGPropertyNode_ptr _radar_centre_node;
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SGPropertyNode_ptr _radar_coverage_node;
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SGPropertyNode_ptr _radar_ref_rng_node;
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SGPropertyNode_ptr _radar_hdg_marker_node;
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SGPropertyNode_ptr _radar_rotate_node;
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SGPropertyNode_ptr _radar_tcas_node;
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SGPropertyNode_ptr _radar_absalt_node;
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SGPropertyNode_ptr _font_node;
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SGPropertyNode_ptr _ai_enabled_node;
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osg::ref_ptr<osg::Texture2D> _resultTexture;
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osg::ref_ptr<osg::Texture2D> _symbols;
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osg::ref_ptr<osg::Geode> _radarGeode;
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osg::ref_ptr<osg::Geode> _textGeode;
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osg::Geometry *_geom;
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osg::DrawArrays* _symbolPrimSet;
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osg::Vec2Array *_vertices;
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osg::Vec2Array *_texCoords;
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osg::Geometry* _lineGeometry;
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osg::DrawArrays* _linePrimSet;
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osg::Vec2Array* _lineVertices;
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osg::Vec3Array* _lineColors;
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osg::Matrixf _centerTrans;
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osg::ref_ptr<osgText::Font> _font;
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osg::Vec4 _font_color;
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osg::Vec4 _tcas_colors[4];
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float _font_size;
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float _font_spacing;
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FGRouteMgr* _route;
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SGGeod _pos;
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double _rangeNm;
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void update_route();
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void update_aircraft();
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bool update_tcas(const SGPropertyNode *model,double range,double user_alt,double alt,
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double bearing,double radius, bool absMode);
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void update_data(const SGPropertyNode *ac, double altitude, double heading,
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double radius, double bearing, bool selected);
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void updateFont();
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osg::Matrixf project(const SGGeod& geod) const;
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void addSymbol(const SGGeod& pos, int symbolIndex, const std::string& data);
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};
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#endif // _INST_ND_HXX
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