134 lines
3.8 KiB
C++
134 lines
3.8 KiB
C++
// 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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//
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//
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#ifndef _INST_WXRADAR_HXX
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#define _INST_WXRADAR_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 <simgear/props/props.hxx>
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#include <simgear/structure/subsystem_mgr.hxx>
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#include <simgear/environment/visual_enviro.hxx>
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#include <AIModel/AIBase.hxx>
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#include <AIModel/AIManager.hxx>
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#include <vector>
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#include <string>
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SG_USING_STD(vector);
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SG_USING_STD(string);
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class FGAIBase;
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class FGODGauge;
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class wxRadarBg : public SGSubsystem {
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public:
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wxRadarBg ( SGPropertyNode *node );
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wxRadarBg ();
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virtual ~wxRadarBg ();
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virtual void init ();
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virtual void update (double dt);
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private:
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string _name;
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int _num;
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double _interval;
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double _time;
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string _texture_path;
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typedef enum { ARC, MAP, PLAN, ROSE } DisplayMode;
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DisplayMode _display_mode;
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string _last_switchKnob;
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bool _sim_init_done;
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float _range_nm;
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float _scale; // factor to convert nm to display units
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double _radar_ref_rng;
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float _angle_offset;
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float _view_heading;
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double _lat, _lon;
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float _x_offset, _y_offset;
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SGPropertyNode_ptr _serviceable_node;
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SGPropertyNode_ptr _Instrument;
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SGPropertyNode_ptr _Tacan;
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SGPropertyNode_ptr _Radar_controls;
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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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SGPropertyNode_ptr _user_speed_east_fps_node;
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SGPropertyNode_ptr _user_speed_north_fps_node;
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SGPropertyNode_ptr _tacan_serviceable_node;
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SGPropertyNode_ptr _tacan_distance_node;
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SGPropertyNode_ptr _tacan_name_node;
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SGPropertyNode_ptr _tacan_bearing_node;
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SGPropertyNode_ptr _tacan_in_range_node;
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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_mode_control_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 _ai_enabled_node;
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osg::ref_ptr<osg::Texture2D> _resultTexture;
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osg::ref_ptr<osg::Texture2D> _wxEcho;
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osg::ref_ptr<osg::Geode> _radarGeode;
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osg::Geometry *_geom;
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osg::Vec2Array *_vertices;
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osg::Vec2Array *_texCoords;
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osg::Matrixf _centerTrans;
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list_of_SGWxRadarEcho _radarEchoBuffer;
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FGODGauge *_odg;
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FGAIManager* _ai;
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void update_weather();
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void update_aircraft();
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void update_tacan();
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void update_heading_marker();
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void center_map();
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void apply_map_offset();
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bool withinRadarHorizon(double user_alt, double alt, double range);
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bool inRadarRange(int type, double range);
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float calcRelBearing(float bearing, float heading);
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void calcRangeBearing(double lat, double lon, double lat2, double lon2,
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double &range, double &bearing) const;
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};
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#endif // _INST_WXRADAR_HXX
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