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 #if defined(_MSC_VER) || defined(__MINGW32__)
  40 #define snprintf _snprintf
  41 #endif
  42
  43 string axes_humannames[8] = { "elevator", "ailerons", "rudder", "throttle",
  44                               "mixture","propller pitch", "lateral view",
  45                               "longitudinal view"
  46                             };
  47
  48 string axes_propnames[8]={ "/controls/elevator","/controls/aileron",
  49                            "/controls/rudder","/controls/throttle",
  50                            "/controls/mixture","/controls/pitch",
  51                            "/sim/views/axes/lat","/sim/views/axes/long"
  52                          };
  53
  54 bool half_range[8]={ false,false,false,true,true,true,false,false };
  55
  56
  57 string button_humannames[7]= { "apply all brakes", "apply left brake",
  58                                "apply right brake", "step flaps up",
  59                                "step flaps down","apply nose-up trim",
  60                                "apply nose-down trim"
  61                              };
  62
  63 string button_propnames[7]={ "/controls/brakes/all", "/controls/brakes[0]",
  64                              "/controls/brakes[1]", "/controls/flaps",
  65                              "/controls/flaps","/controls/elevator-trim",
  66                              "/controls/elevator-trim"
  67                            };
  68
  69
  70 float button_step[7]={ 1.0, 1.0, 1.0, 0.34, -0.34, 0.001, -0.001 };
  71
  72 string button_repeat[7]={ "false", "false", "false", "false", "false",
  73                           "true", "true" };
  74
  75
  76 void waitForButton(jsSuper *jss, int wait_ms) {
  77       int b,lastb;
  78       float axes[_JS_MAX_AXES];
  79       b=0;
  80       ulMilliSecondSleep(wait_ms);
  81       do {
  82         lastb=b;
  83         do {
  84           jss->getJoystick()->read ( &b, axes ) ;
  85         } while( jss->nextJoystick());
  86
  87         ulMilliSecondSleep(1);
  88
  89       }while( lastb == b );
  90       ulMilliSecondSleep(wait_ms);
  91 }
  92
  93 void writeAxisProperties(fstream &fs, int control,int joystick, int axis) {
  94
  95      char jsDesc[80];
  96      snprintf(jsDesc,80,"--prop:/input/joysticks/js[%d]/axis[%d]/binding",joystick,axis);
  97      fs << jsDesc  << "/command=property-scale" << endl;
  98      fs << jsDesc  << "/property=" << axes_propnames[control] << endl;
  99
 100      fs << jsDesc << "/dead-band=0.02"  << endl;
 101
 102      if( half_range[control] == true) {
 103        fs << jsDesc << "/offset=-1.0" << endl;
 104        fs << jsDesc << "/factor=-0.5" << endl;
 105      } else {
 106        fs << jsDesc << "/offset=0.0" << endl;
 107        fs << jsDesc << "/factor=1.0" << endl;
 108      }
 109      fs << endl;
 110 }
 111
 112 void writeButtonProperties(fstream &fs, int property,int joystick, int button) {
 113
 114      char jsDesc[80];
 115      snprintf(jsDesc,80,"--prop:/input/joysticks/js[%d]/button[%d]/binding",joystick,button);
 116
 117      fs << jsDesc << "/repeatable=" << button_repeat[property] << endl;
 118      fs << jsDesc << "/command=property-adjust" << endl;
 119      fs << jsDesc << "/property=" << button_propnames[property] << endl;
 120      fs << jsDesc << "/step=" << button_step[property] << endl;
 121      fs << endl;
 122 }
 123
 124
 125
 126
 127 int main(void) {
 128   jsSuper *jss=new jsSuper();
 129   jsInput *jsi=new jsInput(jss);
 130   jsi->displayValues(false);
 131   // int i;
 132   int control=0;
 133
 134
 135   cout << "Found " << jss->getNumJoysticks() << " joystick(s)" << endl;
 136
 137   if(jss->getNumJoysticks() <= 0) {
 138     cout << "Can't find any joysticks ..." << endl;
 139     exit(1);
 140   }
 141
 142   jss->firstJoystick();
 143   do {
 144     cout << "Joystick " << jss->getCurrentJoystickId() << " has "
 145          << jss->getJoystick()->getNumAxes() << " axes" << endl;
 146   } while( jss->nextJoystick() );
 147
 148   fstream fs("fgfsrc.js",ios::out);
 149
 150
 151   for(control=0;control<=7;control++) {
 152       cout << "Move the control you wish to use for " << axes_humannames[control]
 153            << endl;
 154       fflush( stdout );
 155       jsi->getInput();
 156
 157       if(jsi->getInputAxis() != -1) {
 158          cout << endl << "Assigned axis " << jsi->getInputAxis()
 159               << " on joystick " << jsi->getInputJoystick()
 160               << " to control " << axes_humannames[control]
 161               << endl;
 162
 163           writeAxisProperties( fs, control, jsi->getInputJoystick(),
 164                                jsi->getInputAxis() );
 165       } else {
 166           cout << "Skipping Axis" << endl;
 167       }
 168
 169       cout << "Press any button for next control" << endl;
 170
 171       waitForButton(jss,500);
 172       cout << endl;
 173   }
 174
 175   for(control=0;control<=6;control++) {
 176       cout << "Press the button you wish to use to "
 177            << button_humannames[control]
 178            << endl;
 179       fflush( stdout );
 180       jsi->getInput();
 181       if(jsi->getInputButton() != -1) {
 182
 183          cout << endl << "Assigned button " << jsi->getInputButton()
 184               << " on joystick " << jsi->getInputJoystick()
 185               << " to control " << button_humannames[control]
 186               << endl;
 187
 188           writeButtonProperties( fs, control, jsi->getInputJoystick(),
 189                                jsi->getInputButton() );
 190       } else {
 191           cout << "Skipping..." << endl;
 192       }
 193
 194       cout << "Press any button for next axis" << endl;
 195
 196       waitForButton(jss,500);
 197       cout << endl;
 198   }
 199
 200
 201   delete jsi;
 202   delete jss;
 203
 204   cout << "Your joystick settings are in the file fgfsrc.js" << endl;
 205   cout << "Check and edit as desired (especially important if you are"
 206          << " using a hat switch" << endl;
 207   cout << "as this program will, most likely, not get those right).  ";
 208
 209   cout << "Once you are happy, " << endl
 210        << "append its contents to your .fgfsrc or system.fgfsrc" << endl;
 211
 212   return 1;
 213 }