76 lines
2.3 KiB
C++
76 lines
2.3 KiB
C++
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// net_fdm_mini.hxx -- defines a simple subset I/O interface to the flight
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// dynamics model variables
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//
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// Written by Curtis Olson, started January 2002.
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//
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// Copyright (C) 2002 Curtis L. Olson - curt@flightgear.com
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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 _NET_FDM_MINI_HXX
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#define _NET_FDM_MINI_HXX
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#ifndef __cplusplus
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# error This library requires C++
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#endif
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const int FG_NET_FDM_MINI_VERSION = 1;
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// Define a structure containing the top level flight dynamics model
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// parameters
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class FGNetFDMmini {
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public:
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enum {
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FG_MAX_ENGINES = 4,
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FG_MAX_WHEELS = 3,
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FG_MAX_TANKS = 4
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};
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int version; // increment when data values change
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int pad; // keep doubles 64-bit aligned for some
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// hardware platforms, such as the Sun
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// SPARC, which don't like misaligned
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// data
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// Positions
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double longitude; // geodetic (radians)
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double latitude; // geodetic (radians)
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double altitude; // above sea level (meters)
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double agl; // above ground level (meters)
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double phi; // roll (radians)
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double theta; // pitch (radians)
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double psi; // yaw or true heading (radians)
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// Consumables
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int num_tanks; // Max number of fuel tanks
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double fuel_quantity[FG_MAX_TANKS];
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// Environment
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time_t cur_time; // current unix time
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long int warp; // offset in seconds to unix time
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};
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#endif // _NET_FDM_MINI_HXX
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