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++
33 //using namespace std;
35 // Define a structure containing the control parameters
41 static const int ALL_ENGINES = -1;
42 static const int MAX_ENGINES = 10;
44 static const int ALL_WHEELS = -1;
45 static const int MAX_WHEELS = 3;
53 double throttle[MAX_ENGINES];
54 double brake[MAX_WHEELS];
62 inline double get_aileron() const { return aileron; }
63 inline double get_elevator() const { return elevator; }
64 inline double get_elevator_trim() const { return elevator_trim; }
65 inline double get_rudder() const { return rudder; }
66 inline double get_throttle(int engine) const { return throttle[engine]; }
67 inline double get_brake(int wheel) const { return brake[wheel]; }
70 inline void set_aileron( double pos ) {
72 if ( aileron < -1.0 ) aileron = -1.0;
73 if ( aileron > 1.0 ) aileron = 1.0;
75 inline void move_aileron( double amt ) {
77 if ( aileron < -1.0 ) aileron = -1.0;
78 if ( aileron > 1.0 ) aileron = 1.0;
80 inline void set_elevator( double pos ) {
82 if ( elevator < -1.0 ) elevator = -1.0;
83 if ( elevator > 1.0 ) elevator = 1.0;
85 inline void move_elevator( double amt ) {
87 if ( elevator < -1.0 ) elevator = -1.0;
88 if ( elevator > 1.0 ) elevator = 1.0;
90 inline void set_elevator_trim( double pos ) {
92 if ( elevator_trim < -1.0 ) elevator_trim = -1.0;
93 if ( elevator_trim > 1.0 ) elevator_trim = 1.0;
95 inline void move_elevator_trim( double amt ) {
97 if ( elevator_trim < -1.0 ) elevator_trim = -1.0;
98 if ( elevator_trim > 1.0 ) elevator_trim = 1.0;
100 inline void set_rudder( double pos ) {
102 if ( rudder < -1.0 ) rudder = -1.0;
103 if ( rudder > 1.0 ) rudder = 1.0;
105 inline void move_rudder( double amt ) {
107 if ( rudder < -1.0 ) rudder = -1.0;
108 if ( rudder > 1.0 ) rudder = 1.0;
110 inline void set_throttle( int engine, double pos ) {
111 if ( engine == ALL_ENGINES ) {
112 for ( int i = 0; i < MAX_ENGINES; i++ ) {
114 if ( throttle[i] < 0.0 ) throttle[i] = 0.0;
115 if ( throttle[i] > 1.0 ) throttle[i] = 1.0;
118 if ( (engine >= 0) && (engine < MAX_ENGINES) ) {
119 throttle[engine] = pos;
120 if ( throttle[engine] < 0.0 ) throttle[engine] = 0.0;
121 if ( throttle[engine] > 1.0 ) throttle[engine] = 1.0;
125 inline void move_throttle( int engine, double amt ) {
126 if ( engine == ALL_ENGINES ) {
127 for ( int i = 0; i < MAX_ENGINES; i++ ) {
129 if ( throttle[i] < 0.0 ) throttle[i] = 0.0;
130 if ( throttle[i] > 1.0 ) throttle[i] = 1.0;
133 if ( (engine >= 0) && (engine < MAX_ENGINES) ) {
134 throttle[engine] += amt;
135 if ( throttle[engine] < 0.0 ) throttle[engine] = 0.0;
136 if ( throttle[engine] > 1.0 ) throttle[engine] = 1.0;
140 inline void set_brake( int wheel, double pos ) {
141 if ( wheel == ALL_WHEELS ) {
142 for ( int i = 0; i < MAX_WHEELS; i++ ) {
144 if ( brake[i] < 0.0 ) brake[i] = 0.0;
145 if ( brake[i] > 1.0 ) brake[i] = 1.0;
148 if ( (wheel >= 0) && (wheel < MAX_WHEELS) ) {
150 if ( brake[wheel] < 0.0 ) brake[wheel] = 0.0;
151 if ( brake[wheel] > 1.0 ) brake[wheel] = 1.0;
155 inline void move_brake( int wheel, double amt ) {
156 if ( wheel == ALL_WHEELS ) {
157 for ( int i = 0; i < MAX_WHEELS; i++ ) {
159 if ( brake[i] < 0.0 ) brake[i] = 0.0;
160 if ( brake[i] > 1.0 ) brake[i] = 1.0;
163 if ( (wheel >= 0) && (wheel < MAX_WHEELS) ) {
165 if ( brake[wheel] < 0.0 ) brake[wheel] = 0.0;
166 if ( brake[wheel] > 1.0 ) brake[wheel] = 1.0;
173 extern FGControls controls;
176 #endif // _CONTROLS_HXX
180 // Revision 1.4 1999/07/31 02:55:24 curt
183 // Revision 1.1 1999/02/13 01:12:03 curt
186 // Revision 1.3 1998/12/05 16:13:13 curt
187 // Renamed class fgCONTROLS to class FGControls.
189 // Revision 1.2 1998/10/25 14:08:42 curt
190 // Turned "struct fgCONTROLS" into a class, with inlined accessor functions.
192 // Revision 1.1 1998/10/18 01:51:07 curt
195 // Revision 1.17 1998/09/29 14:57:00 curt
196 // c++-ified some comments.
198 // Revision 1.16 1998/09/29 02:01:32 curt
201 // Revision 1.15 1998/04/25 22:06:27 curt
202 // Edited cvs log messages in source files ... bad bad bad!
204 // Revision 1.14 1998/04/22 13:26:19 curt
205 // C++ - ifing the code a bit.
207 // Revision 1.13 1998/04/21 17:02:35 curt
208 // Prepairing for C++ integration.
210 // Revision 1.12 1998/02/09 22:56:48 curt
211 // Removed "depend" files from cvs control. Other minor make tweaks.
213 // Revision 1.11 1998/02/07 15:29:36 curt
214 // Incorporated HUD changes and struct/typedef changes from Charlie Hotchkiss
215 // <chotchkiss@namg.us.anritsu.com>
217 // Revision 1.10 1998/01/27 00:47:52 curt
218 // Incorporated Paul Bleisch's <pbleisch@acm.org> new debug message
219 // system and commandline/config file processing code.
221 // Revision 1.9 1998/01/22 02:59:31 curt
222 // Changed #ifdef FILE_H to #ifdef _FILE_H
224 // Revision 1.8 1998/01/19 18:40:22 curt
225 // Tons of little changes to clean up the code and to remove fatal errors
226 // when building with the c++ compiler.
228 // Revision 1.7 1997/12/15 23:54:36 curt
229 // Add xgl wrappers for debugging.
230 // Generate terrain normals on the fly.
232 // Revision 1.6 1997/12/10 22:37:41 curt
233 // Prepended "fg" on the name of all global structures that didn't have it yet.
234 // i.e. "struct WEATHER {}" became "struct fgWEATHER {}"
236 // Revision 1.5 1997/08/27 03:30:02 curt
237 // Changed naming scheme of basic shared structures.
239 // Revision 1.4 1997/07/23 21:52:18 curt
240 // Put comments around the text after an #endif for increased portability.
242 // Revision 1.3 1997/05/31 19:16:27 curt
243 // Elevator trim added.
245 // Revision 1.2 1997/05/23 15:40:33 curt
246 // Added GNU copyright headers.
248 // Revision 1.1 1997/05/16 15:59:48 curt