Esempi in C++ (Cpp) per handle_axis_event

Esempio n. 1

File: xbindjoy.c Progetto: saulrh/XBindJoy

static void js_callback(EV_P_ ev_io* w, int revents) {
	// read whatever's available for us
	struct js_event e;
	int result = read(jsfd, &e, sizeof(struct js_event));
	
	// handle the event - either using keys to call out to scheme procedures or updating our axes
	if (e.type == JS_EVENT_BUTTON) {
		handle_and_dispatch_button(e);
	}
	else if (e.type == JS_EVENT_AXIS) {
		handle_axis_event(e);
	}
}

Esempio n. 2

File: wjoydxnu.c Progetto: EricMayberryIV/COP3330-Introduction-to-OOP

/* update_joystick: [joystick thread]
 *  Reads in data for a single DirectInput joystick device, updates
 *  the internal ALLEGRO_JOYSTICK_STATE structure, and generates any Allegro
 *  events required.
 */
static void update_joystick(ALLEGRO_JOYSTICK_DIRECTX *joy)
{
   DIDEVICEOBJECTDATA buffer[DEVICE_BUFFER_SIZE];
   DWORD num_items = DEVICE_BUFFER_SIZE;
   HRESULT hr;
   ALLEGRO_EVENT_SOURCE *es = al_get_joystick_event_source();

   /* some devices require polling */
   IDirectInputDevice8_Poll(joy->device);

   /* get device data into buffer */
   hr = IDirectInputDevice8_GetDeviceData(joy->device, sizeof(DIDEVICEOBJECTDATA), buffer, &num_items, 0);

   if (hr != DI_OK && hr != DI_BUFFEROVERFLOW) {
      if ((hr == DIERR_NOTACQUIRED) || (hr == DIERR_INPUTLOST)) {
         ALLEGRO_WARN("joystick device not acquired or lost\n");
      }
      else {
         ALLEGRO_ERROR("unexpected error while polling the joystick\n");
      }
      return;
   }

   /* don't bother locking the event source if there's no work to do */
   /* this happens a lot for polled devices */
   if (num_items == 0)
      return;

   _al_event_source_lock(es);
   {
      unsigned int i;

      for (i = 0; i < num_items; i++) {
         const DIDEVICEOBJECTDATA *item = &buffer[i];
         const int dwOfs    = item->dwOfs;
         const DWORD dwData = item->dwData;

         switch (dwOfs) {
         case DIJOFS_X:         handle_axis_event(joy, &joy->x_mapping, dwData); break;
         case DIJOFS_Y:         handle_axis_event(joy, &joy->y_mapping, dwData); break;
         case DIJOFS_Z:         handle_axis_event(joy, &joy->z_mapping, dwData); break;
         case DIJOFS_RX:        handle_axis_event(joy, &joy->rx_mapping, dwData); break;
         case DIJOFS_RY:        handle_axis_event(joy, &joy->ry_mapping, dwData); break;
         case DIJOFS_RZ:        handle_axis_event(joy, &joy->rz_mapping, dwData); break;
         case DIJOFS_SLIDER(0): handle_axis_event(joy, &joy->slider_mapping[0], dwData); break;
         case DIJOFS_SLIDER(1): handle_axis_event(joy, &joy->slider_mapping[1], dwData); break;
         case DIJOFS_POV(0):    handle_pov_event(joy, joy->pov_mapping_stick[0], dwData); break;
         case DIJOFS_POV(1):    handle_pov_event(joy, joy->pov_mapping_stick[1], dwData); break;
         case DIJOFS_POV(2):    handle_pov_event(joy, joy->pov_mapping_stick[2], dwData); break;
         case DIJOFS_POV(3):    handle_pov_event(joy, joy->pov_mapping_stick[3], dwData); break;
         default:
            /* buttons */
            if ((dwOfs >= DIJOFS_BUTTON0) &&
                (dwOfs <  DIJOFS_BUTTON(joy->parent.info.num_buttons)))
            {
               int num = (dwOfs - DIJOFS_BUTTON0) / (DIJOFS_BUTTON1 - DIJOFS_BUTTON0);
               handle_button_event(joy, num, (dwData & 0x80));
            }
            break;
         }
      }
   }
   _al_event_source_unlock(es);
}