src/Input/fgjs.cxx

   1 // fgjs.cxx -- assign joystick axes to flightgear properties
   2 //
   3 // Written by Tony Peden, started May 2001
   4 //
   5 // Copyright (C) 2001  Tony Peden (apeden@earthlink.net)
   6 //
   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.
  11 //
  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.
  16 //
  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.
  20
  21 #include <simgear/compiler.h>
  22
  23 #include <math.h>
  24
  25 #include STL_IOSTREAM
  26 #include STL_FSTREAM
  27 #include STL_STRING
  28
  29 #include <jsinput.h>
  30
  31 #if !defined(SG_HAVE_NATIVE_SGI_COMPILERS)
  32 SG_USING_STD(fstream);
  33 SG_USING_STD(cout);
  34 SG_USING_STD(endl);
  35 SG_USING_STD(ios);
  36 SG_USING_STD(string);
  37 #endif
  38
  39
  40 string axes_humannames[8] = { "elevator", "ailerons", "rudder", "throttle",
  41                               "mixture","propller pitch", "lateral view",
  42                               "longitudinal view"
  43                             };
  44
  45 string axes_propnames[8]={ "/controls/elevator","/controls/aileron",
  46                            "/controls/rudder","/controls/throttle",
  47                            "/controls/mixture","/controls/pitch",
  48                            "/sim/views/axes/lat","/sim/views/axes/long"
  49                          };
  50
  51 bool half_range[8]={ false,false,false,true,true,true,false,false };
  52
  53
  54 string button_humannames[7]= { "apply all brakes", "apply left brake",
  55                                "apply right brake", "step flaps up",
  56                                "step flaps down","apply nose-up trim",
  57                                "apply nose-down trim"
  58                              };
  59
  60 string button_propnames[7]={ "/controls/brakes/all", "/controls/brakes[0]",
  61                              "/controls/brakes[1]", "/controls/flaps",
  62                              "/controls/flaps","/controls/elevator-trim",
  63                              "/controls/elevator-trim"
  64                            };
  65
  66
  67 float button_step[7]={ 1.0, 1.0, 1.0, 0.34, -0.34, 0.001, -0.001 };
  68
  69 string button_repeat[7]={ "false", "false", "false", "false", "false",
  70                           "true", "true" };
  71
  72
  73 void waitForButton(jsSuper *jss, int wait_ms) {
  74       int b,lastb;
  75       float axes[_JS_MAX_AXES];
  76       b=0;
  77       ulMilliSecondSleep(wait_ms);
  78       do {
  79         lastb=b;
  80         do {
  81           jss->getJoystick()->read ( &b, axes ) ;
  82         } while( jss->nextJoystick());
  83
  84         ulMilliSecondSleep(1);
  85
  86       }while( lastb == b );
  87       ulMilliSecondSleep(wait_ms);
  88 }
  89
  90 void writeAxisProperties(fstream &fs, int control,int joystick, int axis) {
  91
  92      char jsDesc[80];
  93      snprintf(jsDesc,80,"--prop:/input/joysticks/js[%d]/axis[%d]/binding",joystick,axis);
  94      fs << jsDesc  << "/command=property-scale" << endl;
  95      fs << jsDesc  << "/property=" << axes_propnames[control] << endl;
  96
  97      fs << jsDesc << "/dead-band=0.02"  << endl;
  98
  99      if( half_range[control] == true) {
 100        fs << jsDesc << "/offset=-1.0" << endl;
 101        fs << jsDesc << "/factor=-0.5" << endl;
 102      } else {
 103        fs << jsDesc << "/offset=0.0" << endl;
 104        fs << jsDesc << "/factor=1.0" << endl;
 105      }
 106      fs << endl;
 107 }
 108
 109 void writeButtonProperties(fstream &fs, int property,int joystick, int button) {
 110
 111      char jsDesc[80];
 112      snprintf(jsDesc,80,"--prop:/input/joysticks/js[%d]/button[%d]/binding",joystick,button);
 113
 114      fs << jsDesc << "/repeatable=" << button_repeat[property] << endl;
 115      fs << jsDesc << "/command=property-adjust" << endl;
 116      fs << jsDesc << "/property=" << button_propnames[property] << endl;
 117      fs << jsDesc << "/step=" << button_step[property] << endl;
 118      fs << endl;
 119 }
 120
 121
 122
 123
 124 int main(void) {
 125   jsSuper *jss=new jsSuper();
 126   jsInput *jsi=new jsInput(jss);
 127   jsi->displayValues(false);
 128   // int i;
 129   int control=0;
 130
 131
 132   cout << "Found " << jss->getNumJoysticks() << " joystick(s)" << endl;
 133
 134   if(jss->getNumJoysticks() <= 0) {
 135     cout << "Can't find any joysticks ..." << endl;
 136     exit(1);
 137   }
 138
 139   jss->firstJoystick();
 140   do {
 141     cout << "Joystick " << jss->getCurrentJoystickId() << " has "
 142          << jss->getJoystick()->getNumAxes() << " axes" << endl;
 143   } while( jss->nextJoystick() );
 144
 145   fstream fs("fgfsrc.js",ios::out);
 146
 147
 148   for(control=0;control<=7;control++) {
 149       cout << "Move the control you wish to use for " << axes_humannames[control]
 150            << endl;
 151       fflush( stdout );
 152       jsi->getInput();
 153
 154       if(jsi->getInputAxis() != -1) {
 155          cout << endl << "Assigned axis " << jsi->getInputAxis()
 156               << " on joystick " << jsi->getInputJoystick()
 157               << " to control " << axes_humannames[control]
 158               << endl;
 159
 160           writeAxisProperties( fs, control, jsi->getInputJoystick(),
 161                                jsi->getInputAxis() );
 162       } else {
 163           cout << "Skipping Axis" << endl;
 164       }
 165
 166       cout << "Press any button for next control" << endl;
 167
 168       waitForButton(jss,500);
 169       cout << endl;
 170   }
 171
 172   for(control=0;control<=6;control++) {
 173       cout << "Press the button you wish to use to "
 174            << button_humannames[control]
 175            << endl;
 176       fflush( stdout );
 177       jsi->getInput();
 178       if(jsi->getInputButton() != -1) {
 179
 180          cout << endl << "Assigned button " << jsi->getInputButton()
 181               << " on joystick " << jsi->getInputJoystick()
 182               << " to control " << button_humannames[control]
 183               << endl;
 184
 185           writeButtonProperties( fs, control, jsi->getInputJoystick(),
 186                                jsi->getInputButton() );
 187       } else {
 188           cout << "Skipping..." << endl;
 189       }
 190
 191       cout << "Press any button for next axis" << endl;
 192
 193       waitForButton(jss,500);
 194       cout << endl;
 195   }
 196
 197
 198   delete jsi;
 199   delete jss;
 200
 201   cout << "Your joystick settings are in the file fgfsrc.js" << endl;
 202   cout << "Check and edit as desired (especially important if you are"
 203          << " using a hat switch" << endl;
 204   cout << "as this program will, most likely, not get those right).  ";
 205
 206   cout << "Once you are happy, " << endl
 207        << "append its contents to your .fgfsrc or system.fgfsrc" << endl;
 208
 209   return 1;
 210 }