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 - curt@flightgear.org
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., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #ifndef _FG_MARKER_BEACON_HXX
25 #define _FG_MARKER_BEACON_HXX
28 #include <Main/fgfs.hxx>
29 #include <Main/fg_props.hxx>
31 #include <simgear/compiler.h>
33 #include <simgear/math/interpolater.hxx>
34 #include <simgear/timing/timestamp.hxx>
36 #include <Sound/beacon.hxx>
37 #include <Sound/morse.hxx>
40 class FGMarkerBeacon : public FGSubsystem
45 SGInterpTable *term_tbl;
46 SGInterpTable *low_tbl;
47 SGInterpTable *high_tbl;
49 SGPropertyNode *lon_node;
50 SGPropertyNode *lat_node;
51 SGPropertyNode *alt_node;
52 SGPropertyNode *bus_power;
53 SGPropertyNode *power_btn;
54 SGPropertyNode *audio_btn;
55 SGPropertyNode *serviceable;
76 void update (double dt);
78 // Update nav/adf radios based on current postition
81 // Marker Beacon Accessors
82 inline bool get_inner_blink () const { return inner_blink; }
83 inline bool get_middle_blink () const { return middle_blink; }
84 inline bool get_outer_blink () const { return outer_blink; }
85 inline bool has_power() const {
86 return power_btn->getBoolValue() && (bus_power->getDoubleValue() > 1.0);
91 #endif // _FG_MARKER_BEACON_HXX