Joystick Snippet reference for ericw

[Baker]

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static cbool IN_Joystick_Consider_Opened (SDL_Joystick *joy_consider)
{ DEBUG_ASSERT (!joy_active_controller); {
   int buttons = SDL_JoystickNumButtons(joy_consider);
   const char *joyname = SDL_JoystickName (joy_consider);   

   if (buttons >= 4) {
      // Set the 3 variables
      joy_active_controller   = joy_consider;
      joy_active_instance_idx   = SDL_JoystickInstanceID(joy_consider);
      c_strlcpy (joy_active_name, joy_active_name);

      Con_SafePrintLinef ("Controller detected: " QUOTED_S " with instance id %d", joy_active_name, joy_active_instance_idx);
      return true;
   }
   
   Con_WarningLinef ("Ignoring controller due to lack of buttons: %s", joyname != NULL ? joyname : "NULL");

   if (SDL_JoystickGetAttached(joy_consider)) {
      SDL_JoystickClose(joy_consider);
   } else {
      Con_SafePrintLinef ("Joystick not attached"); // Does this happen
   }
   return false;
}}