1 // marker_beacon.hxx -- class to manage the marker beacons
3 // Written by Curtis Olson, started April 2000.
5 // Copyright (C) 2000 Curtis L. Olson - http://www.flightgear.org/~curt
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License as
9 // published by the Free Software Foundation; either version 2 of the
10 // License, or (at your option) any later version.
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 // General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
24 #ifndef _FG_MARKER_BEACON_HXX
25 #define _FG_MARKER_BEACON_HXX
28 #include <Main/fg_props.hxx>
30 #include <simgear/compiler.h>
31 #include <simgear/structure/subsystem_mgr.hxx>
32 #include <simgear/timing/timestamp.hxx>
36 class FGMarkerBeacon : public SGSubsystem
40 SGPropertyNode_ptr lon_node;
41 SGPropertyNode_ptr lat_node;
42 SGPropertyNode_ptr alt_node;
43 SGPropertyNode_ptr bus_power;
44 SGPropertyNode_ptr power_btn;
45 SGPropertyNode_ptr audio_btn;
46 SGPropertyNode_ptr audio_vol;
47 SGPropertyNode_ptr serviceable;
48 SGPropertyNode_ptr sound_working;
62 // internal periodic station search timer
63 double _time_before_search_sec;
65 SGSharedPtr<SGSampleGroup> _sgr;
76 FGMarkerBeacon(SGPropertyNode *node);
83 void update (double dt);
87 // Marker Beacon Accessors
88 inline bool get_inner_blink () const { return inner_blink; }
89 inline bool get_middle_blink () const { return middle_blink; }
90 inline bool get_outer_blink () const { return outer_blink; }
91 inline bool has_power() const {
92 return power_btn->getBoolValue() && (bus_power->getDoubleValue() > 1.0);
97 #endif // _FG_MARKER_BEACON_HXX