heading_indicator.hxx

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/*
 * SPDX-FileName: heading_indicator.hxx
 * SPDX-License-Identifier: GPL-2.0-or-later
 * SPDX-FileContributor:  Written by David Megginson, started 2002.
 */
 
#pragma once
 
 
#include <simgear/props/props.hxx>
#include <simgear/structure/subsystem_mgr.hxx>
 
#include "gyro.hxx"
 

class HeadingIndicator : public SGSubsystem
{
public:
    HeadingIndicator ( SGPropertyNode *node );
    HeadingIndicator ();
    virtual ~HeadingIndicator ();
 
    // Subsystem API.
    void bind() override;
    void init() override;
    void reinit() override;
    void unbind() override;
    void update(double dt) override;
 
    // Subsystem identification.
    static const char* staticSubsystemClassId() { return "heading-indicator"; }
 
private:
    Gyro _gyro;
    double _last_heading_deg;
 
    std::string _name;
    int _num;
    std::string _suction;
 
    SGPropertyNode_ptr _offset_node;
    SGPropertyNode_ptr _heading_in_node;
    SGPropertyNode_ptr _suction_node;
    SGPropertyNode_ptr _heading_out_node;
    SGPropertyNode_ptr _heading_bug_error_node;
    SGPropertyNode_ptr _heading_bug_node;
};