b9e4775a7a
- finish cleanup/optimization of instrumentation system (started by mfranz) - improve configuration of special properties by addressing them directly
55 lines
1.2 KiB
C++
55 lines
1.2 KiB
C++
// vertical_speed_indicator.hxx - a regular VSI tied to the static port.
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// Written by David Megginson, started 2002.
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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_VERTICAL_SPEED_INDICATOR_HXX
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#define __INSTRUMENTS_VERTICAL_SPEED_INDICATOR_HXX 1
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#ifndef __cplusplus
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# error This library requires C++
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#endif
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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 non-instantaneous VSI tied to the static port.
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*
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* Input properties:
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*
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* /instrumentation/"name"/serviceable
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* "static_port"/pressure-inhg
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*
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* Output properties:
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*
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* /instrumentation/"name"/indicated-speed-fpm
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*/
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class VerticalSpeedIndicator : public SGSubsystem
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{
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public:
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VerticalSpeedIndicator ( SGPropertyNode *node );
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virtual ~VerticalSpeedIndicator ();
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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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double _internal_pressure_inhg;
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string _name;
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int _num;
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string _static_pressure;
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SGPropertyNode_ptr _serviceable_node;
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SGPropertyNode_ptr _pressure_node;
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SGPropertyNode_ptr _speed_node;
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};
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#endif // __INSTRUMENTS_VERTICAL_SPEED_INDICATOR_HXX
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