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