2002-09-26 16:19:06 +00:00
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// marker_beacon.hxx -- class to manage the marker beacons
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//
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// Written by Curtis Olson, started April 2000.
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//
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// Copyright (C) 2000 Curtis L. Olson - curt@flightgear.org
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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., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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// $Id$
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#ifndef _FG_MARKER_BEACON_HXX
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#define _FG_MARKER_BEACON_HXX
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#include <Main/fgfs.hxx>
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#include <Main/fg_props.hxx>
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#include <simgear/compiler.h>
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#include <simgear/math/interpolater.hxx>
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#include <simgear/timing/timestamp.hxx>
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#include <Sound/beacon.hxx>
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#include <Sound/morse.hxx>
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class FGMarkerBeacon : public FGSubsystem
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{
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FGBeacon beacon;
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FGMorse morse;
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SGInterpTable *term_tbl;
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SGInterpTable *low_tbl;
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SGInterpTable *high_tbl;
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SGPropertyNode *lon_node;
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SGPropertyNode *lat_node;
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SGPropertyNode *alt_node;
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2002-12-16 06:09:05 +00:00
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SGPropertyNode *bus_power;
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SGPropertyNode *power_btn;
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SGPropertyNode *audio_btn;
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SGPropertyNode *servicable;
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2002-09-26 16:19:06 +00:00
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bool need_update;
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bool outer_marker;
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bool middle_marker;
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bool inner_marker;
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SGTimeStamp blink;
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bool outer_blink;
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bool middle_blink;
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bool inner_blink;
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public:
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FGMarkerBeacon();
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~FGMarkerBeacon();
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void init ();
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void bind ();
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void unbind ();
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void update (double dt);
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// Update nav/adf radios based on current postition
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void search ();
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// Marker Beacon Accessors
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inline bool get_inner_blink () const { return inner_blink; }
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inline bool get_middle_blink () const { return middle_blink; }
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inline bool get_outer_blink () const { return outer_blink; }
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2002-12-16 06:09:05 +00:00
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inline bool has_power() const {
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return power_btn->getBoolValue() && (bus_power->getDoubleValue() > 1.0);
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}
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2002-09-26 16:19:06 +00:00
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};
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#endif // _FG_MARKER_BEACON_HXX
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