1 /**************************************************************************
2 * cockpit.c -- routines to draw a cockpit (initial draft)
4 * Written by Michele America, started September 1997.
6 * Copyright (C) 1997 Michele F. America - nomimarketing@mail.telepac.pt
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.
23 * (Log is kept at end of this file)
24 **************************************************************************/
39 #include <Aircraft/aircraft.h>
40 #include <Debug/fg_debug.h>
41 #include <Include/fg_constants.h>
42 #include <Include/general.h>
43 #include <Math/fg_random.h>
44 #include <Math/mat3.h>
45 #include <Math/polar3d.h>
46 #include <Scenery/scenery.hxx>
47 #include <Time/fg_timer.hxx>
48 #include <Weather/weather.h>
50 #include "cockpit.hxx"
53 // This is a structure that contains all data related to
54 // cockpit/panel/hud system
56 static pCockpit ac_cockpit;
58 // The following routines obtain information concerntin the aircraft's
59 // current state and return it to calling instrument display routines.
60 // They should eventually be member functions of the aircraft.
63 double get_throttleval( void )
65 fgCONTROLS *pcontrols;
67 pcontrols = current_aircraft.controls;
68 return pcontrols->throttle[0]; // Hack limiting to one engine
71 double get_aileronval( void )
73 fgCONTROLS *pcontrols;
75 pcontrols = current_aircraft.controls;
76 return pcontrols->aileron;
79 double get_elevatorval( void )
81 fgCONTROLS *pcontrols;
83 pcontrols = current_aircraft.controls;
84 return pcontrols->elevator;
87 double get_elev_trimval( void )
89 fgCONTROLS *pcontrols;
91 pcontrols = current_aircraft.controls;
92 return pcontrols->elevator_trim;
95 double get_rudderval( void )
97 fgCONTROLS *pcontrols;
99 pcontrols = current_aircraft.controls;
100 return pcontrols->rudder;
103 double get_speed( void )
107 f = current_aircraft.flight;
108 return( FG_V_equiv_kts ); // Make an explicit function call.
111 double get_aoa( void )
115 f = current_aircraft.flight;
116 return( FG_Gamma_vert_rad * RAD_TO_DEG );
119 double get_roll( void )
123 f = current_aircraft.flight;
127 double get_pitch( void )
131 f = current_aircraft.flight;
135 double get_heading( void )
139 f = current_aircraft.flight;
140 return( FG_Psi * RAD_TO_DEG );
143 double get_altitude( void )
146 // double rough_elev;
148 f = current_aircraft.flight;
149 // rough_elev = mesh_altitude(FG_Longitude * RAD_TO_ARCSEC,
150 // FG_Latitude * RAD_TO_ARCSEC);
152 return( FG_Altitude * FEET_TO_METER /* -rough_elev */ );
155 double get_sideslip( void )
159 f = current_aircraft.flight;
164 double get_frame_rate( void )
170 return g->frame_rate;
173 bool fgCockpitInit( fgAIRCRAFT *cur_aircraft )
175 fgPrintf( FG_COCKPIT, FG_INFO, "Initializing cockpit subsystem\n");
177 // cockpit->code = 1; /* It will be aircraft dependent */
178 // cockpit->status = 0;
180 // If aircraft has HUD specified we will get the specs from its def
181 // file. For now we will depend upon hard coding in hud?
183 // We must insure that the existing instrument link is purged.
184 // This is done by deleting the links in the list.
186 // HI_Head is now a null pointer so we can generate a new list from the
189 fgHUDInit( cur_aircraft );
190 ac_cockpit = new fg_Cockpit();
192 fgPrintf( FG_COCKPIT, FG_INFO,
193 " Code %d Status %d\n",
194 ac_cockpit->code(), ac_cockpit->status() );
199 void fgCockpitUpdate( void )
202 fgPrintf( FG_COCKPIT, FG_DEBUG,
203 "Cockpit: code %d status %d\n",
204 ac_cockpit->code(), ac_cockpit->status() );
205 fgUpdateHUD(); // This will check the global hud linked list pointer.
206 // If these is anything to draw it will.
210 /* Revision 1.5 1998/05/11 18:13:10 curt
211 /* Complete C++ rewrite of all cockpit code by Charlie Hotchkiss.
213 * Revision 1.4 1998/05/03 00:46:45 curt
214 * polar.h -> polar3d.h
216 * Revision 1.3 1998/04/30 12:36:02 curt
217 * C++-ifying a couple source files.
219 * Revision 1.2 1998/04/25 22:06:26 curt
220 * Edited cvs log messages in source files ... bad bad bad!
222 * Revision 1.1 1998/04/24 00:45:54 curt
223 * C++-ifing the code a bit.
225 * Revision 1.13 1998/04/18 04:14:01 curt
226 * Moved fg_debug.c to it's own library.
228 * Revision 1.12 1998/04/14 02:23:09 curt
229 * Code reorganizations. Added a Lib/ directory for more general libraries.
231 * Revision 1.11 1998/03/14 00:32:13 curt
232 * Changed a printf() to a fgPrintf().
234 * Revision 1.10 1998/02/07 15:29:33 curt
235 * Incorporated HUD changes and struct/typedef changes from Charlie Hotchkiss
236 * <chotchkiss@namg.us.anritsu.com>
238 * Revision 1.9 1998/02/03 23:20:14 curt
239 * Lots of little tweaks to fix various consistency problems discovered by
240 * Solaris' CC. Fixed a bug in fg_debug.c with how the fgPrintf() wrapper
241 * passed arguments along to the real printf(). Also incorporated HUD changes
242 * by Michele America.
244 * Revision 1.8 1998/01/31 00:43:03 curt
245 * Added MetroWorks patches from Carmen Volpe.
247 * Revision 1.7 1998/01/27 00:47:51 curt
248 * Incorporated Paul Bleisch's <bleisch@chromatic.com> new debug message
249 * system and commandline/config file processing code.
251 * Revision 1.6 1998/01/19 19:27:01 curt
252 * Merged in make system changes from Bob Kuehne <rpk@sgi.com>
253 * This should simplify things tremendously.
255 * Revision 1.5 1998/01/19 18:40:19 curt
256 * Tons of little changes to clean up the code and to remove fatal errors
257 * when building with the c++ compiler.
259 * Revision 1.4 1997/12/30 20:47:34 curt
260 * Integrated new event manager with subsystem initializations.
262 * Revision 1.3 1997/12/15 23:54:33 curt
263 * Add xgl wrappers for debugging.
264 * Generate terrain normals on the fly.
266 * Revision 1.2 1997/12/10 22:37:38 curt
267 * Prepended "fg" on the name of all global structures that didn't have it yet.
268 * i.e. "struct WEATHER {}" became "struct fgWEATHER {}"
270 * Revision 1.1 1997/08/29 18:03:20 curt