116 lines
3 KiB
C++
Executable file
116 lines
3 KiB
C++
Executable file
// dme.hxx - distance-measuring equipment.
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// Written by David Megginson, started 2003.
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//
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// This file is in the Public Domain and comes with no warranty.
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#ifndef __INSTRUMENTS_TACAN_HXX
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#define __INSTRUMENTS_TACAN_HXX 1
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#include <simgear/props/props.hxx>
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#include <simgear/structure/subsystem_mgr.hxx>
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/**
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* Model a TACAN radio.
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*
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* Input properties:
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*
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* /position/longitude-deg
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* /position/latitude-deg
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* /position/altitude-ft
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* /heading
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* /systems/electrical/outputs/TACAN
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* /instrumentation/"name"/serviceable
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* /instrumentation/"name"/frequencies/selected-mhz
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*
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* Output properties:
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*
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* /instrumentation/"name"/in-range
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* /instrumentation/"name"/indicated-distance-nm
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* /instrumentation/"name"/indicated-ground-speed-kt
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* /instrumentation/"name"/indicated-time-kt
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*/
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class TACAN : public SGSubsystem, public SGPropertyChangeListener
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{
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public:
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TACAN ( SGPropertyNode *node );
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virtual ~TACAN ();
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virtual void init ();
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virtual void update (double delta_time_sec);
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private:
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void search (double frequency, double longitude_rad,
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double latitude_rad, double altitude_m);
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double searchChannel (const string& channel);
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void valueChanged (SGPropertyNode *);
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string _name;
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unsigned int _num;
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SGPropertyNode_ptr _longitude_node;
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SGPropertyNode_ptr _latitude_node;
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SGPropertyNode_ptr _altitude_node;
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SGPropertyNode_ptr _heading_node;
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SGPropertyNode_ptr _yaw_node;
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SGPropertyNode_ptr _serviceable_node;
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SGPropertyNode_ptr _electrical_node;
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SGPropertyNode_ptr _frequency_node;
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SGPropertyNode_ptr _display_node;
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SGPropertyNode_ptr _x_shift_node;
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SGPropertyNode_ptr _y_shift_node;
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SGPropertyNode_ptr _rotation_node;
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SGPropertyNode_ptr _in_range_node;
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SGPropertyNode_ptr _distance_node;
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SGPropertyNode_ptr _speed_node;
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SGPropertyNode_ptr _time_node;
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SGPropertyNode_ptr _bearing_node;
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SGPropertyNode_ptr _ident_node;
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SGPropertyNode_ptr _name_node;
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SGPropertyNode_ptr _channel_node;
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SGPropertyNode_ptr _channel_in0_node;
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SGPropertyNode_ptr _channel_in1_node;
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SGPropertyNode_ptr _channel_in2_node;
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SGPropertyNode_ptr _channel_in3_node;
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SGPropertyNode_ptr _channel_in4_node;
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SGPropertyNode_ptr _carrier_name_node; // FIXME unused
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SGPropertyNode_ptr _tanker_callsign_node; // FIXME
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SGPropertyNode_ptr _mp_callsign_node; // FIXME
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bool _new_frequency;
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string _channel;
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double _last_distance_nm;
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double _frequency_mhz;
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double _time_before_search_sec;
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bool _mobile_valid;
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bool _transmitter_valid;
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SGVec3d _transmitter;
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SGGeod _transmitter_pos;
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double _transmitter_range_nm;
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double _transmitter_bearing_deg;
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double _transmitter_bias;
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string _transmitter_name;
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string _transmitter_ident;
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double _mobile_lat, _mobile_lon;
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double _mobile_elevation_ft;
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double _mobile_range_nm;
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double _mobile_bearing_deg;
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double _mobile_bias;
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string _mobile_name;
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string _mobile_ident;
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int _listener_active;
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};
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#endif // __INSTRUMENTS_TACAN_HXX
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