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.
29 #include <simgear/compiler.h>
32 # include <winsock2.h>
48 #include <simgear/constants.h>
49 #include <simgear/debug/logstream.hxx>
50 #include <simgear/misc/sg_path.hxx>
51 #include <simgear/misc/sgstream.hxx>
52 #include <simgear/structure/exception.hxx>
53 #include <simgear/props/props_io.hxx>
55 #include <Main/fg_io.hxx>
56 #include <Main/fg_props.hxx>
57 #include <Main/globals.hxx>
61 using simgear::PropertyList;
63 bool confirmAnswer() {
66 cout << "Is this correct? (y/n) $ ";
68 cin.ignore(256, '\n');
76 string getFGRoot( int argc, char *argv[] );
78 int main( int argc, char *argv[] ) {
80 for (int i = 1; i < argc; i++) {
81 if (strcmp("--help", argv[i]) == 0) {
82 cout << "Usage:" << endl;
83 cout << " --help\t\t\tShow this help" << endl;
85 } else if (strncmp("--fg-root=", argv[i], 10) == 0) {
88 cout << "Unknown option \"" << argv[i] << "\"" << endl;
95 jsSuper *jss = new jsSuper();
96 jsInput *jsi = new jsInput(jss);
97 jsi->displayValues(false);
99 cout << "Found " << jss->getNumJoysticks() << " joystick(s)" << endl;
101 if(jss->getNumJoysticks() <= 0) {
102 cout << "Can't find any joysticks ..." << endl;
105 cout << endl << "Now measuring the dead band of your joystick. The dead band is the area " << endl
106 << "where the joystick is centered and should not generate any input. Move all " << endl
107 << "axes around in this dead zone during the ten seconds this test will take." << endl;
108 cout << "Press enter to continue." << endl;
109 cin.ignore(1024, '\n');
111 cout << endl << "Dead band calibration finished. Press enter to start control assignment." << endl;
112 cin.ignore(1024, '\n');
114 jss->firstJoystick();
115 fstream *xfs = new fstream[ jss->getNumJoysticks() ];
116 SGPropertyNode_ptr *jstree = new SGPropertyNode_ptr[ jss->getNumJoysticks() ];
118 cout << "Joystick #" << jss->getCurrentJoystickId()
119 << " \"" << jss->getJoystick()->getName() << "\" has "
120 << jss->getJoystick()->getNumAxes() << " axes" << endl;
123 snprintf(filename, 16, "js%i.xml", jss->getCurrentJoystickId());
124 xfs[ jss->getCurrentJoystickId() ].open(filename, ios::out);
125 jstree[ jss->getCurrentJoystickId() ] = new SGPropertyNode();
126 } while ( jss->nextJoystick() );
128 SGPath templatefile( getFGRoot(argc, argv) );
129 templatefile.append("Input");
130 templatefile.append("Joysticks");
131 templatefile.append("template.xml");
133 SGPropertyNode *templatetree = new SGPropertyNode();
135 readProperties(templatefile.str().c_str(), templatetree);
136 } catch (sg_io_exception e) {
137 cout << e.getFormattedMessage ();
140 PropertyList axes = templatetree->getChildren("axis");
141 for(PropertyList::iterator iter = axes.begin(); iter != axes.end(); iter++) {
142 cout << "Move the control you wish to use for " << (*iter)->getStringValue("desc")
143 << " " << (*iter)->getStringValue("direction") << endl;
144 cout << "Pressing a button skips this axis" << endl;
147 if (jsi->getInputAxis() != -1) {
148 cout << endl << "Assigned axis " << jsi->getInputAxis()
149 << " on joystick " << jsi->getInputJoystick()
150 << " to control " << (*iter)->getStringValue("desc") << endl;
151 if ( confirmAnswer() ) {
152 SGPropertyNode *axis = jstree[ jsi->getInputJoystick() ]->getChild("axis", jsi->getInputAxis(), true);
153 copyProperties(*iter, axis);
154 axis->setDoubleValue("dead-band", jss->getJoystick(jsi->getInputJoystick())
155 ->getDeadBand(jsi->getInputAxis()));
156 axis->setDoubleValue("binding/factor", jsi->getInputAxisPositive() ? 1.0 : -1.0);
161 cout << "Skipping control" << endl;
162 if ( ! confirmAnswer() )
168 PropertyList buttons = templatetree->getChildren("button");
169 for(PropertyList::iterator iter = buttons.begin(); iter != buttons.end(); iter++) {
170 cout << "Press the button you wish to use for " << (*iter)->getStringValue("desc") << endl;
171 cout << "Moving a joystick axis skips this button" << endl;
174 if (jsi->getInputButton() != -1) {
175 cout << endl << "Assigned button " << jsi->getInputButton()
176 << " on joystick " << jsi->getInputJoystick()
177 << " to control " << (*iter)->getStringValue("desc") << endl;
178 if ( confirmAnswer() ) {
179 SGPropertyNode *button = jstree[ jsi->getInputJoystick() ]->getChild("button", jsi->getInputButton(), true);
180 copyProperties(*iter, button);
185 cout << "Skipping control" << endl;
186 if (! confirmAnswer())
192 cout << "Your joystick settings are in ";
193 for (int i = 0; i < jss->getNumJoysticks(); i++) {
195 cout << "js" << i << ".xml";
196 if (i + 2 < jss->getNumJoysticks())
198 else if (i + 1 < jss->getNumJoysticks())
201 jstree[i]->setStringValue("name", jss->getJoystick(i)->getName());
202 writeProperties(xfs[i], jstree[i], true);
203 } catch (sg_io_exception e) {
204 cout << e.getFormattedMessage ();
208 cout << "." << endl << "Check and edit as desired. Once you are happy," << endl
209 << "move relevant js<n>.xml files to $FG_ROOT/Input/Joysticks/ (if you didn't use" << endl
210 << "an attached controller, you don't need to move the corresponding file)" << endl;
220 char *homedir = ::getenv( "HOME" );
221 char *hostname = ::getenv( "HOSTNAME" );
222 bool free_hostname = false;
224 // Scan the command line options for the specified option and return
226 static string fgScanForOption( const string& option, int argc, char **argv ) {
229 if (hostname == NULL)
232 gethostname(_hostname, 256);
233 hostname = strdup(_hostname);
234 free_hostname = true;
237 SG_LOG(SG_GENERAL, SG_INFO, "Scanning command line for: " << option );
239 int len = option.length();
242 SG_LOG( SG_GENERAL, SG_DEBUG, "argv[" << i << "] = " << argv[i] );
244 string arg = argv[i];
245 if ( arg.find( option ) == 0 ) {
246 return arg.substr( len );
255 // Scan the user config files for the specified option and return
257 static string fgScanForOption( const string& option, const string& path ) {
258 sg_gzifstream in( path );
259 if ( !in.is_open() ) {
263 SG_LOG( SG_GENERAL, SG_INFO, "Scanning " << path << " for: " << option );
265 int len = option.length();
268 while ( ! in.eof() ) {
270 getline( in, line, '\n' );
272 // catch extraneous (DOS) line ending character
273 if ( line[line.length() - 1] < 32 ) {
274 line = line.substr( 0, line.length()-1 );
277 if ( line.find( option ) == 0 ) {
278 return line.substr( len );
287 // Scan the user config files for the specified option and return
289 static string fgScanForOption( const string& option ) {
292 #if defined( unix ) || defined( __CYGWIN__ )
293 // Next check home directory for .fgfsrc.hostname file
295 if ( homedir != NULL ) {
296 SGPath config( homedir );
297 config.append( ".fgfsrc" );
298 config.concat( "." );
299 config.concat( hostname );
300 arg = fgScanForOption( option, config.str() );
305 // Next check home directory for .fgfsrc file
307 if ( homedir != NULL ) {
308 SGPath config( homedir );
309 config.append( ".fgfsrc" );
310 arg = fgScanForOption( option, config.str() );
317 // Read in configuration (files and command line options) but only set
319 string getFGRoot ( int argc, char **argv ) {
322 // First parse command line options looking for --fg-root=, this
323 // will override anything specified in a config file
324 root = fgScanForOption( "--fg-root=", argc, argv);
326 // Check in one of the user configuration files.
328 root = fgScanForOption( "--fg-root=" );
330 // Next check if fg-root is set as an env variable
331 if ( root.empty() ) {
332 char *envp = ::getenv( "FG_ROOT" );
333 if ( envp != NULL ) {
338 // Otherwise, default to a random compiled-in location if we can't
339 // find fg-root any other way.
340 if ( root.empty() ) {
341 #if defined( __CYGWIN__ )
343 #elif defined( _WIN32 )
345 #elif defined(OSX_BUNDLE)
346 /* the following code looks for the base package directly inside
347 the application bundle. This can be changed fairly easily by
348 fiddling with the code below. And yes, I know it's ugly and verbose.
350 CFBundleRef appBundle = CFBundleGetMainBundle();
351 CFURLRef appUrl = CFBundleCopyBundleURL(appBundle);
352 CFRelease(appBundle);
354 // look for a 'data' subdir directly inside the bundle : is there
355 // a better place? maybe in Resources? I don't know ...
356 CFURLRef dataDir = CFURLCreateCopyAppendingPathComponent(NULL, appUrl, CFSTR("data"), true);
358 // now convert down to a path, and the a c-string
359 CFStringRef path = CFURLCopyFileSystemPath(dataDir, kCFURLPOSIXPathStyle);
360 root = CFStringGetCStringPtr(path, CFStringGetSystemEncoding());
363 CFRelease(appBundle);
371 SG_LOG(SG_INPUT, SG_INFO, "fg_root = " << root );