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flightgear/src/Instrumentation/marker_beacon.hxx

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// marker_beacon.hxx -- class to manage the marker beacons
//
// Written by Curtis Olson, started April 2000.
//
// Copyright (C) 2000 Curtis L. Olson - http://www.flightgear.org/~curt
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id$
#ifndef _FG_MARKER_BEACON_HXX
#define _FG_MARKER_BEACON_HXX
#include <simgear/compiler.h>
#include <Instrumentation/AbstractInstrument.hxx>
#include <simgear/timing/timestamp.hxx>
class SGSampleGroup;
class FGMarkerBeacon : public AbstractInstrument
{
// Inputs
SGPropertyNode_ptr lon_node;
SGPropertyNode_ptr lat_node;
SGPropertyNode_ptr alt_node;
SGPropertyNode_ptr audio_btn;
SGPropertyNode_ptr audio_vol;
SGPropertyNode_ptr sound_working;
bool outer_marker;
bool middle_marker;
bool inner_marker;
SGTimeStamp blink;
bool outer_blink;
bool middle_blink;
bool inner_blink;
// internal periodic station search timer
double _time_before_search_sec;
SGSharedPtr<SGSampleGroup> _sgr;
public:
enum fgMkrBeacType {
NOBEACON = 0,
INNER,
MIDDLE,
OUTER
};
FGMarkerBeacon(SGPropertyNode *node);
~FGMarkerBeacon();
// 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 "marker-beacon"; }
void search ();
// Marker Beacon Accessors
inline bool get_inner_blink () const { return inner_blink; }
inline bool get_middle_blink () const { return middle_blink; }
inline bool get_outer_blink () const { return outer_blink; }
};
#endif // _FG_MARKER_BEACON_HXX