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
40 static const int ALL_ENGINES = -1;
41 static const int MAX_ENGINES = 10;
43 static const int ALL_WHEELS = -1;
44 static const int MAX_WHEELS = 3;
52 double throttle[MAX_ENGINES];
53 double brake[MAX_WHEELS];
61 inline double get_aileron() const { return aileron; }
62 inline double get_elevator() const { return elevator; }
63 inline double get_elevator_trim() const { return elevator_trim; }
64 inline double get_rudder() const { return rudder; }
65 inline double get_throttle(int engine) const { return throttle[engine]; }
66 inline double get_brake(int wheel) const { return brake[wheel]; }
69 inline void set_aileron( double pos ) {
71 if ( aileron < -1.0 ) aileron = -1.0;
72 if ( aileron > 1.0 ) aileron = 1.0;
74 inline void move_aileron( double amt ) {
76 if ( aileron < -1.0 ) aileron = -1.0;
77 if ( aileron > 1.0 ) aileron = 1.0;
79 inline void set_elevator( double pos ) {
81 if ( elevator < -1.0 ) elevator = -1.0;
82 if ( elevator > 1.0 ) elevator = 1.0;
84 inline void move_elevator( double amt ) {
86 if ( elevator < -1.0 ) elevator = -1.0;
87 if ( elevator > 1.0 ) elevator = 1.0;
89 inline void set_elevator_trim( double pos ) {
91 if ( elevator_trim < -1.0 ) elevator_trim = -1.0;
92 if ( elevator_trim > 1.0 ) elevator_trim = 1.0;
94 inline void move_elevator_trim( double amt ) {
96 if ( elevator_trim < -1.0 ) elevator_trim = -1.0;
97 if ( elevator_trim > 1.0 ) elevator_trim = 1.0;
99 inline void set_rudder( double pos ) {
101 if ( rudder < -1.0 ) rudder = -1.0;
102 if ( rudder > 1.0 ) rudder = 1.0;
104 inline void move_rudder( double amt ) {
106 if ( rudder < -1.0 ) rudder = -1.0;
107 if ( rudder > 1.0 ) rudder = 1.0;
109 inline void set_throttle( int engine, double pos ) {
110 if ( engine == ALL_ENGINES ) {
111 for ( int i = 0; i < MAX_ENGINES; i++ ) {
113 if ( throttle[i] < 0.0 ) throttle[i] = 0.0;
114 if ( throttle[i] > 1.0 ) throttle[i] = 1.0;
117 if ( (engine >= 0) && (engine < MAX_ENGINES) ) {
118 throttle[engine] = pos;
119 if ( throttle[engine] < 0.0 ) throttle[engine] = 0.0;
120 if ( throttle[engine] > 1.0 ) throttle[engine] = 1.0;
124 inline void move_throttle( int engine, double amt ) {
125 if ( engine == ALL_ENGINES ) {
126 for ( int i = 0; i < MAX_ENGINES; i++ ) {
128 if ( throttle[i] < 0.0 ) throttle[i] = 0.0;
129 if ( throttle[i] > 1.0 ) throttle[i] = 1.0;
132 if ( (engine >= 0) && (engine < MAX_ENGINES) ) {
133 throttle[engine] += amt;
134 if ( throttle[engine] < 0.0 ) throttle[engine] = 0.0;
135 if ( throttle[engine] > 1.0 ) throttle[engine] = 1.0;
139 inline void set_brake( int wheel, double pos ) {
140 if ( wheel == ALL_WHEELS ) {
141 for ( int i = 0; i < MAX_WHEELS; i++ ) {
143 if ( brake[i] < 0.0 ) brake[i] = 0.0;
144 if ( brake[i] > 1.0 ) brake[i] = 1.0;
147 if ( (wheel >= 0) && (wheel < MAX_WHEELS) ) {
149 if ( brake[wheel] < 0.0 ) brake[wheel] = 0.0;
150 if ( brake[wheel] > 1.0 ) brake[wheel] = 1.0;
154 inline void move_brake( int wheel, double amt ) {
155 if ( wheel == ALL_WHEELS ) {
156 for ( int i = 0; i < MAX_WHEELS; i++ ) {
158 if ( brake[i] < 0.0 ) brake[i] = 0.0;
159 if ( brake[i] > 1.0 ) brake[i] = 1.0;
162 if ( (wheel >= 0) && (wheel < MAX_WHEELS) ) {
164 if ( brake[wheel] < 0.0 ) brake[wheel] = 0.0;
165 if ( brake[wheel] > 1.0 ) brake[wheel] = 1.0;
172 extern FGControls controls;
175 #endif // _CONTROLS_HXX
179 // Revision 1.3 1998/12/05 16:13:13 curt
180 // Renamed class fgCONTROLS to class FGControls.
182 // Revision 1.2 1998/10/25 14:08:42 curt
183 // Turned "struct fgCONTROLS" into a class, with inlined accessor functions.
185 // Revision 1.1 1998/10/18 01:51:07 curt
188 // Revision 1.17 1998/09/29 14:57:00 curt
189 // c++-ified some comments.
191 // Revision 1.16 1998/09/29 02:01:32 curt
194 // Revision 1.15 1998/04/25 22:06:27 curt
195 // Edited cvs log messages in source files ... bad bad bad!
197 // Revision 1.14 1998/04/22 13:26:19 curt
198 // C++ - ifing the code a bit.
200 // Revision 1.13 1998/04/21 17:02:35 curt
201 // Prepairing for C++ integration.
203 // Revision 1.12 1998/02/09 22:56:48 curt
204 // Removed "depend" files from cvs control. Other minor make tweaks.
206 // Revision 1.11 1998/02/07 15:29:36 curt
207 // Incorporated HUD changes and struct/typedef changes from Charlie Hotchkiss
208 // <chotchkiss@namg.us.anritsu.com>
210 // Revision 1.10 1998/01/27 00:47:52 curt
211 // Incorporated Paul Bleisch's <pbleisch@acm.org> new debug message
212 // system and commandline/config file processing code.
214 // Revision 1.9 1998/01/22 02:59:31 curt
215 // Changed #ifdef FILE_H to #ifdef _FILE_H
217 // Revision 1.8 1998/01/19 18:40:22 curt
218 // Tons of little changes to clean up the code and to remove fatal errors
219 // when building with the c++ compiler.
221 // Revision 1.7 1997/12/15 23:54:36 curt
222 // Add xgl wrappers for debugging.
223 // Generate terrain normals on the fly.
225 // Revision 1.6 1997/12/10 22:37:41 curt
226 // Prepended "fg" on the name of all global structures that didn't have it yet.
227 // i.e. "struct WEATHER {}" became "struct fgWEATHER {}"
229 // Revision 1.5 1997/08/27 03:30:02 curt
230 // Changed naming scheme of basic shared structures.
232 // Revision 1.4 1997/07/23 21:52:18 curt
233 // Put comments around the text after an #endif for increased portability.
235 // Revision 1.3 1997/05/31 19:16:27 curt
236 // Elevator trim added.
238 // Revision 1.2 1997/05/23 15:40:33 curt
239 // Added GNU copyright headers.
241 // Revision 1.1 1997/05/16 15:59:48 curt