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