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