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)
30 # error This library requires C++
34 // Define a structure containing the control parameters
58 double throttle[MAX_ENGINES];
59 double brake[MAX_WHEELS];
67 inline double get_aileron() const { return aileron; }
68 inline double get_elevator() const { return elevator; }
69 inline double get_elevator_trim() const { return elevator_trim; }
70 inline double get_rudder() const { return rudder; }
71 inline double get_throttle(int engine) const { return throttle[engine]; }
72 inline double get_brake(int wheel) const { return brake[wheel]; }
75 inline void set_aileron( double pos ) {
77 if ( aileron < -1.0 ) aileron = -1.0;
78 if ( aileron > 1.0 ) aileron = 1.0;
80 inline void move_aileron( double amt ) {
82 if ( aileron < -1.0 ) aileron = -1.0;
83 if ( aileron > 1.0 ) aileron = 1.0;
85 inline void set_elevator( double pos ) {
87 if ( elevator < -1.0 ) elevator = -1.0;
88 if ( elevator > 1.0 ) elevator = 1.0;
90 inline void move_elevator( double amt ) {
92 if ( elevator < -1.0 ) elevator = -1.0;
93 if ( elevator > 1.0 ) elevator = 1.0;
95 inline void set_elevator_trim( double pos ) {
97 if ( elevator_trim < -1.0 ) elevator_trim = -1.0;
98 if ( elevator_trim > 1.0 ) elevator_trim = 1.0;
100 inline void move_elevator_trim( double amt ) {
101 elevator_trim += amt;
102 if ( elevator_trim < -1.0 ) elevator_trim = -1.0;
103 if ( elevator_trim > 1.0 ) elevator_trim = 1.0;
105 inline void set_rudder( double pos ) {
107 if ( rudder < -1.0 ) rudder = -1.0;
108 if ( rudder > 1.0 ) rudder = 1.0;
110 inline void move_rudder( double amt ) {
112 if ( rudder < -1.0 ) rudder = -1.0;
113 if ( rudder > 1.0 ) rudder = 1.0;
115 inline void set_throttle( int engine, double pos ) {
116 if ( engine == ALL_ENGINES ) {
117 for ( int i = 0; i < MAX_ENGINES; i++ ) {
119 if ( throttle[i] < 0.0 ) throttle[i] = 0.0;
120 if ( throttle[i] > 1.0 ) throttle[i] = 1.0;
123 if ( (engine >= 0) && (engine < MAX_ENGINES) ) {
124 throttle[engine] = pos;
125 if ( throttle[engine] < 0.0 ) throttle[engine] = 0.0;
126 if ( throttle[engine] > 1.0 ) throttle[engine] = 1.0;
130 inline void move_throttle( int engine, double amt ) {
131 if ( engine == ALL_ENGINES ) {
132 for ( int i = 0; i < MAX_ENGINES; i++ ) {
134 if ( throttle[i] < 0.0 ) throttle[i] = 0.0;
135 if ( throttle[i] > 1.0 ) throttle[i] = 1.0;
138 if ( (engine >= 0) && (engine < MAX_ENGINES) ) {
139 throttle[engine] += amt;
140 if ( throttle[engine] < 0.0 ) throttle[engine] = 0.0;
141 if ( throttle[engine] > 1.0 ) throttle[engine] = 1.0;
145 inline void set_brake( int wheel, double pos ) {
146 if ( wheel == ALL_WHEELS ) {
147 for ( int i = 0; i < MAX_WHEELS; i++ ) {
149 if ( brake[i] < 0.0 ) brake[i] = 0.0;
150 if ( brake[i] > 1.0 ) brake[i] = 1.0;
153 if ( (wheel >= 0) && (wheel < MAX_WHEELS) ) {
155 if ( brake[wheel] < 0.0 ) brake[wheel] = 0.0;
156 if ( brake[wheel] > 1.0 ) brake[wheel] = 1.0;
160 inline void move_brake( int wheel, double amt ) {
161 if ( wheel == ALL_WHEELS ) {
162 for ( int i = 0; i < MAX_WHEELS; i++ ) {
164 if ( brake[i] < 0.0 ) brake[i] = 0.0;
165 if ( brake[i] > 1.0 ) brake[i] = 1.0;
168 if ( (wheel >= 0) && (wheel < MAX_WHEELS) ) {
170 if ( brake[wheel] < 0.0 ) brake[wheel] = 0.0;
171 if ( brake[wheel] > 1.0 ) brake[wheel] = 1.0;
178 extern FGControls controls;
181 #endif // _CONTROLS_HXX
185 // Revision 1.4 1999/01/27 04:48:13 curt
186 // C++ style refinements by Bernie Bright.
188 // Revision 1.3 1998/12/05 16:13:13 curt
189 // Renamed class fgCONTROLS to class FGControls.
191 // Revision 1.2 1998/10/25 14:08:42 curt
192 // Turned "struct fgCONTROLS" into a class, with inlined accessor functions.
194 // Revision 1.1 1998/10/18 01:51:07 curt
197 // Revision 1.17 1998/09/29 14:57:00 curt
198 // c++-ified some comments.
200 // Revision 1.16 1998/09/29 02:01:32 curt
203 // Revision 1.15 1998/04/25 22:06:27 curt
204 // Edited cvs log messages in source files ... bad bad bad!
206 // Revision 1.14 1998/04/22 13:26:19 curt
207 // C++ - ifing the code a bit.
209 // Revision 1.13 1998/04/21 17:02:35 curt
210 // Prepairing for C++ integration.
212 // Revision 1.12 1998/02/09 22:56:48 curt
213 // Removed "depend" files from cvs control. Other minor make tweaks.
215 // Revision 1.11 1998/02/07 15:29:36 curt
216 // Incorporated HUD changes and struct/typedef changes from Charlie Hotchkiss
217 // <chotchkiss@namg.us.anritsu.com>
219 // Revision 1.10 1998/01/27 00:47:52 curt
220 // Incorporated Paul Bleisch's <pbleisch@acm.org> new debug message
221 // system and commandline/config file processing code.
223 // Revision 1.9 1998/01/22 02:59:31 curt
224 // Changed #ifdef FILE_H to #ifdef _FILE_H
226 // Revision 1.8 1998/01/19 18:40:22 curt
227 // Tons of little changes to clean up the code and to remove fatal errors
228 // when building with the c++ compiler.
230 // Revision 1.7 1997/12/15 23:54:36 curt
231 // Add xgl wrappers for debugging.
232 // Generate terrain normals on the fly.
234 // Revision 1.6 1997/12/10 22:37:41 curt
235 // Prepended "fg" on the name of all global structures that didn't have it yet.
236 // i.e. "struct WEATHER {}" became "struct fgWEATHER {}"
238 // Revision 1.5 1997/08/27 03:30:02 curt
239 // Changed naming scheme of basic shared structures.
241 // Revision 1.4 1997/07/23 21:52:18 curt
242 // Put comments around the text after an #endif for increased portability.
244 // Revision 1.3 1997/05/31 19:16:27 curt
245 // Elevator trim added.
247 // Revision 1.2 1997/05/23 15:40:33 curt
248 // Added GNU copyright headers.
250 // Revision 1.1 1997/05/16 15:59:48 curt