1 // controls.hxx -- defines a standard interface to all flight sim controls
3 // Written by Curtis Olson, started May 1997.
5 // Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
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.
22 // (Log is kept at end of this file)
29 # error This library requires C++
32 #define ID_CONTROLS "$Header"
34 // Define a structure containing the control parameters
54 double throttle[MAX_ENGINES];
55 double brake[MAX_WHEELS];
63 inline double get_aileron() const { return aileron; }
64 inline double get_elevator() const { return elevator; }
65 inline double get_elevator_trim() const { return elevator_trim; }
66 inline double get_rudder() const { return rudder; }
67 inline double get_throttle(int engine) const { return throttle[engine]; }
68 inline double get_brake(int wheel) const { return brake[wheel]; }
71 inline void set_aileron( double pos ) {
73 if ( aileron < -1.0 ) aileron = -1.0;
74 if ( aileron > 1.0 ) aileron = 1.0;
76 inline void move_aileron( double amt ) {
78 if ( aileron < -1.0 ) aileron = -1.0;
79 if ( aileron > 1.0 ) aileron = 1.0;
81 inline void set_elevator( double pos ) {
83 if ( elevator < -1.0 ) elevator = -1.0;
84 if ( elevator > 1.0 ) elevator = 1.0;
86 inline void move_elevator( double amt ) {
88 if ( elevator < -1.0 ) elevator = -1.0;
89 if ( elevator > 1.0 ) elevator = 1.0;
91 inline void set_elevator_trim( double pos ) {
93 if ( elevator_trim < -1.0 ) elevator_trim = -1.0;
94 if ( elevator_trim > 1.0 ) elevator_trim = 1.0;
96 inline void move_elevator_trim( double amt ) {
98 if ( elevator_trim < -1.0 ) elevator_trim = -1.0;
99 if ( elevator_trim > 1.0 ) elevator_trim = 1.0;
101 inline void set_rudder( double pos ) {
103 if ( rudder < -1.0 ) rudder = -1.0;
104 if ( rudder > 1.0 ) rudder = 1.0;
106 inline void move_rudder( double amt ) {
108 if ( rudder < -1.0 ) rudder = -1.0;
109 if ( rudder > 1.0 ) rudder = 1.0;
111 inline void set_throttle( int engine, double pos ) {
112 if ( engine == ALL_ENGINES ) {
113 for ( int i = 0; i < MAX_ENGINES; i++ ) {
115 if ( throttle[i] < 0.0 ) throttle[i] = 0.0;
116 if ( throttle[i] > 1.0 ) throttle[i] = 1.0;
119 if ( (engine >= 0) && (engine < MAX_ENGINES) ) {
120 throttle[engine] = pos;
121 if ( throttle[engine] < 0.0 ) throttle[engine] = 0.0;
122 if ( throttle[engine] > 1.0 ) throttle[engine] = 1.0;
126 inline void move_throttle( int engine, double amt ) {
127 if ( engine == ALL_ENGINES ) {
128 for ( int i = 0; i < MAX_ENGINES; i++ ) {
130 if ( throttle[i] < 0.0 ) throttle[i] = 0.0;
131 if ( throttle[i] > 1.0 ) throttle[i] = 1.0;
134 if ( (engine >= 0) && (engine < MAX_ENGINES) ) {
135 throttle[engine] += amt;
136 if ( throttle[engine] < 0.0 ) throttle[engine] = 0.0;
137 if ( throttle[engine] > 1.0 ) throttle[engine] = 1.0;
141 inline void set_brake( int wheel, double pos ) {
142 if ( wheel == ALL_WHEELS ) {
143 for ( int i = 0; i < MAX_WHEELS; i++ ) {
145 if ( brake[i] < 0.0 ) brake[i] = 0.0;
146 if ( brake[i] > 1.0 ) brake[i] = 1.0;
149 if ( (wheel >= 0) && (wheel < MAX_WHEELS) ) {
151 if ( brake[wheel] < 0.0 ) brake[wheel] = 0.0;
152 if ( brake[wheel] > 1.0 ) brake[wheel] = 1.0;
156 inline void move_brake( int wheel, double amt ) {
157 if ( wheel == ALL_WHEELS ) {
158 for ( int i = 0; i < MAX_WHEELS; i++ ) {
160 if ( brake[i] < 0.0 ) brake[i] = 0.0;
161 if ( brake[i] > 1.0 ) brake[i] = 1.0;
164 if ( (wheel >= 0) && (wheel < MAX_WHEELS) ) {
166 if ( brake[wheel] < 0.0 ) brake[wheel] = 0.0;
167 if ( brake[wheel] > 1.0 ) brake[wheel] = 1.0;
174 extern FGControls controls;
177 #endif // _CONTROLS_HXX
181 // Revision 1.20 2000/11/14 19:32:03 curt
182 // Nov. 14, 2000 JSBSim updates
184 // Revision 1.7 2000/10/13 19:21:02 jsb
185 // ** JSB ** Added version identifiers for all files
187 // Revision 1.6 2000/06/03 13:59:52 jsb
188 // Changes for compatibility with MSVC
190 // Revision 1.5 2000/05/12 22:45:35 jsb
191 // Removed extraneous namespace identifiers and header files
193 // Revision 1.4 2000/04/26 10:55:57 jsb
194 // Made changes as required by Curt to install JSBSim into FGFS
196 // Revision 1.7 2000/04/24 21:49:07 curt
197 // Updated JSBsim code.
199 // Revision 1.3 2000/04/15 13:16:54 jsb
200 // In good shape, now, changes to Coefficient and aircraft, mostly, with new commands added and inputs and outputs separated.
202 // Revision 1.6 1999/09/07 21:15:45 curt
203 // Updates to get engine working.
205 // Revision 1.1 1999/02/13 01:12:03 curt
208 // Revision 1.3 1998/12/05 16:13:13 curt
209 // Renamed class fgCONTROLS to class FGControls.
211 // Revision 1.2 1998/10/25 14:08:42 curt
212 // Turned "struct fgCONTROLS" into a class, with inlined accessor functions.
214 // Revision 1.1 1998/10/18 01:51:07 curt
217 // Revision 1.17 1998/09/29 14:57:00 curt
218 // c++-ified some comments.
220 // Revision 1.16 1998/09/29 02:01:32 curt
223 // Revision 1.15 1998/04/25 22:06:27 curt
224 // Edited cvs log messages in source files ... bad bad bad!
226 // Revision 1.14 1998/04/22 13:26:19 curt
227 // C++ - ifing the code a bit.
229 // Revision 1.13 1998/04/21 17:02:35 curt
230 // Prepairing for C++ integration.
232 // Revision 1.12 1998/02/09 22:56:48 curt
233 // Removed "depend" files from cvs control. Other minor make tweaks.
235 // Revision 1.11 1998/02/07 15:29:36 curt
236 // Incorporated HUD changes and struct/typedef changes from Charlie Hotchkiss
237 // <chotchkiss@namg.us.anritsu.com>
239 // Revision 1.10 1998/01/27 00:47:52 curt
240 // Incorporated Paul Bleisch's <pbleisch@acm.org> new debug message
241 // system and commandline/config file processing code.
243 // Revision 1.9 1998/01/22 02:59:31 curt
244 // Changed #ifdef FILE_H to #ifdef _FILE_H
246 // Revision 1.8 1998/01/19 18:40:22 curt
247 // Tons of little changes to clean up the code and to remove fatal errors
248 // when building with the c++ compiler.
250 // Revision 1.7 1997/12/15 23:54:36 curt
251 // Add xgl wrappers for debugging.
252 // Generate terrain normals on the fly.
254 // Revision 1.6 1997/12/10 22:37:41 curt
255 // Prepended "fg" on the name of all global structures that didn't have it yet.
256 // i.e. "struct WEATHER {}" became "struct fgWEATHER {}"
258 // Revision 1.5 1997/08/27 03:30:02 curt
259 // Changed naming scheme of basic shared structures.
261 // Revision 1.4 1997/07/23 21:52:18 curt
262 // Put comments around the text after an #endif for increased portability.
264 // Revision 1.3 1997/05/31 19:16:27 curt
265 // Elevator trim added.
267 // Revision 1.2 1997/05/23 15:40:33 curt
268 // Added GNU copyright headers.
270 // Revision 1.1 1997/05/16 15:59:48 curt