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