1 // fgjs.cxx -- assign joystick axes to flightgear properties
3 // Updated to allow xml output & added a few bits & pieces
4 // Laurie Bradshaw, Jun 2005
6 // Written by Tony Peden, started May 2001
8 // Copyright (C) 2001 Tony Peden (apeden@earthlink.net)
9 // Copyright (C) 2006 Stefan Seifert
11 // This program is free software; you can redistribute it and/or
12 // modify it under the terms of the GNU General Public License as
13 // published by the Free Software Foundation; either version 2 of the
14 // License, or (at your option) any later version.
16 // This program is distributed in the hope that it will be useful, but
17 // WITHOUT ANY WARRANTY; without even the implied warranty of
18 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 // General Public License for more details.
21 // You should have received a copy of the GNU General Public License
22 // along with this program; if not, write to the Free Software
23 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
25 #include <simgear/compiler.h>
33 SG_USING_STD(fstream);
40 #include <simgear/constants.h>
41 #include <simgear/debug/logstream.hxx>
42 #include <simgear/misc/sg_path.hxx>
43 #include <simgear/misc/sgstream.hxx>
44 #include <simgear/structure/exception.hxx>
46 #include <Main/fg_io.hxx>
47 #include <Main/fg_props.hxx>
48 #include <Main/globals.hxx>
53 bool confirmAnswer() {
56 cout << "Is this correct? (y/n) $ ";
58 cin.ignore(256, '\n');
66 string getFGRoot( int argc, char *argv[] );
68 int main( int argc, char *argv[] ) {
70 for (int i = 1; i < argc; i++) {
71 if (strcmp("--help", argv[i]) == 0) {
72 cout << "Usage:" << endl;
73 cout << " --help\t\t\tShow this help" << endl;
76 cout << "Unknown option \"" << argv[i] << "\"" << endl;
83 jsSuper *jss = new jsSuper();
84 jsInput *jsi = new jsInput(jss);
85 jsi->displayValues(false);
87 cout << "Found " << jss->getNumJoysticks() << " joystick(s)" << endl;
89 if(jss->getNumJoysticks() <= 0) {
90 cout << "Can't find any joysticks ..." << endl;
93 cout << endl << "Now measuring the dead band of your joystick. The dead band is the area " << endl
94 << "where the joystick is centered and should not generate any input. Move all " << endl
95 << "axes around in this dead zone during the ten seconds this test will take." << endl;
96 cout << "Press enter to continue." << endl;
97 cin.ignore(1024, '\n');
99 cout << endl << "Dead band calibration finished. Press enter to start control assignment." << endl;
100 cin.ignore(1024, '\n');
102 jss->firstJoystick();
103 fstream *xfs = new fstream[ jss->getNumJoysticks() ];
104 SGPropertyNode_ptr *jstree = new SGPropertyNode_ptr[ jss->getNumJoysticks() ];
106 cout << "Joystick #" << jss->getCurrentJoystickId()
107 << " \"" << jss->getJoystick()->getName() << "\" has "
108 << jss->getJoystick()->getNumAxes() << " axes" << endl;
111 snprintf(filename, 16, "js%i.xml", jss->getCurrentJoystickId());
112 xfs[ jss->getCurrentJoystickId() ].open(filename, ios::out);
113 jstree[ jss->getCurrentJoystickId() ] = new SGPropertyNode();
114 } while ( jss->nextJoystick() );
116 SGPath templatefile( getFGRoot(argc, argv) );
117 templatefile.append("Input");
118 templatefile.append("Joysticks");
119 templatefile.append("template.xml");
121 SGPropertyNode *templatetree = new SGPropertyNode();
123 readProperties(templatefile.str().c_str(), templatetree);
124 } catch (sg_io_exception e) {
125 cout << e.getFormattedMessage ();
128 vector<SGPropertyNode_ptr> axes = templatetree->getChildren("axis");
129 for(vector<SGPropertyNode_ptr>::iterator iter = axes.begin(); iter != axes.end(); iter++) {
130 cout << "Move the control you wish to use for " << (*iter)->getStringValue("desc")
131 << " " << (*iter)->getStringValue("direction") << endl;
132 cout << "Pressing a button skips this axis" << endl;
135 if (jsi->getInputAxis() != -1) {
136 cout << endl << "Assigned axis " << jsi->getInputAxis()
137 << " on joystick " << jsi->getInputJoystick()
138 << " to control " << (*iter)->getStringValue("desc") << endl;
139 if ( confirmAnswer() ) {
140 SGPropertyNode *axis = jstree[ jsi->getInputJoystick() ]->getChild("axis", jsi->getInputAxis(), true);
141 copyProperties(*iter, axis);
142 axis->setDoubleValue("dead-band", jss->getJoystick(jsi->getInputJoystick())
143 ->getDeadBand(jsi->getInputAxis()));
144 axis->setDoubleValue("binding/factor", jsi->getInputAxisPositive() ? 1.0 : -1.0);
149 cout << "Skipping control" << endl;
150 if ( ! confirmAnswer() )
156 vector<SGPropertyNode_ptr> buttons = templatetree->getChildren("button");
157 for(vector<SGPropertyNode_ptr>::iterator iter = buttons.begin(); iter != buttons.end(); iter++) {
158 cout << "Press the button you wish to use for " << (*iter)->getStringValue("desc") << endl;
159 cout << "Moving a joystick axis skips this button" << endl;
162 if (jsi->getInputButton() != -1) {
163 cout << endl << "Assigned button " << jsi->getInputButton()
164 << " on joystick " << jsi->getInputJoystick()
165 << " to control " << (*iter)->getStringValue("desc") << endl;
166 if ( confirmAnswer() ) {
167 SGPropertyNode *button = jstree[ jsi->getInputJoystick() ]->getChild("button", jsi->getInputButton(), true);
168 copyProperties(*iter, button);
173 cout << "Skipping control" << endl;
174 if (! confirmAnswer())
180 cout << "Your joystick settings are in ";
181 for (int i = 0; i < jss->getNumJoysticks(); i++) {
183 cout << "js" << i << ".xml";
184 if (i + 2 < jss->getNumJoysticks())
186 else if (i + 1 < jss->getNumJoysticks())
189 jstree[i]->setStringValue("name", jss->getJoystick(i)->getName());
190 writeProperties(xfs[i], jstree[i], true);
191 } catch (sg_io_exception e) {
192 cout << e.getFormattedMessage ();
196 cout << "." << endl << "Check and edit as desired. Once you are happy," << endl
197 << "move relevant js<n>.xml files to $FG_ROOT/Input/Joysticks/ (if you didn't use" << endl
198 << "an attached controller, you don't need to move the corresponding file)" << endl;
207 char *homedir = ::getenv( "HOME" );
208 char *hostname = ::getenv( "HOSTNAME" );
209 bool free_hostname = false;
211 // Scan the command line options for the specified option and return
213 static string fgScanForOption( const string& option, int argc, char **argv ) {
216 if (hostname == NULL)
219 gethostname(_hostname, 256);
220 hostname = strdup(_hostname);
221 free_hostname = true;
224 SG_LOG(SG_GENERAL, SG_INFO, "Scanning command line for: " << option );
226 int len = option.length();
229 SG_LOG( SG_GENERAL, SG_DEBUG, "argv[" << i << "] = " << argv[i] );
231 string arg = argv[i];
232 if ( arg.find( option ) == 0 ) {
233 return arg.substr( len );
242 // Scan the user config files for the specified option and return
244 static string fgScanForOption( const string& option, const string& path ) {
245 sg_gzifstream in( path );
246 if ( !in.is_open() ) {
250 SG_LOG( SG_GENERAL, SG_INFO, "Scanning " << path << " for: " << option );
252 int len = option.length();
256 while ( ! in.eof() ) {
259 while ( in.get(c) && c != '\0' ) {
264 #if defined( macintosh )
265 getline( in, line, '\r' );
267 getline( in, line, '\n' );
270 // catch extraneous (DOS) line ending character
271 if ( line[line.length() - 1] < 32 ) {
272 line = line.substr( 0, line.length()-1 );
275 if ( line.find( option ) == 0 ) {
276 return line.substr( len );
285 // Scan the user config files for the specified option and return
287 static string fgScanForOption( const string& option ) {
290 #if defined( unix ) || defined( __CYGWIN__ )
291 // Next check home directory for .fgfsrc.hostname file
293 if ( homedir != NULL ) {
294 SGPath config( homedir );
295 config.append( ".fgfsrc" );
296 config.concat( "." );
297 config.concat( hostname );
298 arg = fgScanForOption( option, config.str() );
303 // Next check home directory for .fgfsrc file
305 if ( homedir != NULL ) {
306 SGPath config( homedir );
307 config.append( ".fgfsrc" );
308 arg = fgScanForOption( option, config.str() );
315 // Read in configuration (files and command line options) but only set
317 string getFGRoot ( int argc, char **argv ) {
320 // First parse command line options looking for --fg-root=, this
321 // will override anything specified in a config file
322 root = fgScanForOption( "--fg-root=", argc, argv);
324 // Check in one of the user configuration files.
326 root = fgScanForOption( "--fg-root=" );
328 // Next check if fg-root is set as an env variable
329 if ( root.empty() ) {
330 char *envp = ::getenv( "FG_ROOT" );
331 if ( envp != NULL ) {
336 // Otherwise, default to a random compiled-in location if we can't
337 // find fg-root any other way.
338 if ( root.empty() ) {
339 #if defined( __CYGWIN__ )
340 root = "/FlightGear";
341 #elif defined( WIN32 )
342 root = "\\FlightGear";
343 #elif defined(OSX_BUNDLE)
344 /* the following code looks for the base package directly inside
345 the application bundle. This can be changed fairly easily by
346 fiddling with the code below. And yes, I know it's ugly and verbose.
348 CFBundleRef appBundle = CFBundleGetMainBundle();
349 CFURLRef appUrl = CFBundleCopyBundleURL(appBundle);
350 CFRelease(appBundle);
352 // look for a 'data' subdir directly inside the bundle : is there
353 // a better place? maybe in Resources? I don't know ...
354 CFURLRef dataDir = CFURLCreateCopyAppendingPathComponent(NULL, appUrl, CFSTR("data"), true);
356 // now convert down to a path, and the a c-string
357 CFStringRef path = CFURLCopyFileSystemPath(dataDir, kCFURLPOSIXPathStyle);
358 root = CFStringGetCStringPtr(path, CFStringGetSystemEncoding());
361 CFRelease(appBundle);
369 SG_LOG(SG_INPUT, SG_INFO, "fg_root = " << root );