1 // net_fdm_mini.hxx -- defines a simple subset I/O interface to the flight
2 // dynamics model variables
4 // Written by Curtis Olson, started January 2002.
6 // Copyright (C) 2002 Curtis L. Olson - curt@flightgear.com
8 // This program is free software; you can redistribute it and/or
9 // modify it under the terms of the GNU General Public License as
10 // published by the Free Software Foundation; either version 2 of the
11 // License, or (at your option) any later version.
13 // This program is distributed in the hope that it will be useful, but
14 // WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 // General Public License for more details.
18 // You should have received a copy of the GNU General Public License
19 // along with this program; if not, write to the Free Software
20 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 #ifndef _NET_FDM_MINI_HXX
26 #define _NET_FDM_MINI_HXX
30 # error This library requires C++
34 const int FG_NET_FDM_MINI_VERSION = 1;
37 // Define a structure containing the top level flight dynamics model
50 int version; // increment when data values change
51 int pad; // keep doubles 64-bit aligned for some
52 // hardware platforms, such as the Sun
53 // SPARC, which don't like misaligned
57 double longitude; // geodetic (radians)
58 double latitude; // geodetic (radians)
59 double altitude; // above sea level (meters)
60 double agl; // above ground level (meters)
61 double phi; // roll (radians)
62 double theta; // pitch (radians)
63 double psi; // yaw or true heading (radians)
67 double climb_rate; // feet per second
70 int num_tanks; // Max number of fuel tanks
71 double fuel_quantity[FG_MAX_TANKS];
74 time_t cur_time; // current unix time
75 long int warp; // offset in seconds to unix time
79 #endif // _NET_FDM_MINI_HXX