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