Function joy_GetPos

ddio/sdljoy.cpp:280–317

returns the state of a stick, remote or otherwise

//	returns the state of a stick, remote or otherwise
void joy_GetPos(tJoystick joy, tJoyPos *pos) {
  SDL_Joystick *stick;
  int i;

  memset(pos, 0, (sizeof *pos));

  //	retrieve joystick info from the net, or locally.
  stick = Joysticks[joy].handle;
  if (stick) {
    uint32_t mask;

    mask = Joysticks[joy].caps.axes_mask;
    pos->x = SDL_JoystickGetAxis(stick, 0);
    pos->y = SDL_JoystickGetAxis(stick, 1);
    if (mask & JOYFLAG_ZVALID) {
      pos->z = SDL_JoystickGetAxis(stick, 2);
    }
    if (mask & JOYFLAG_RVALID) {
      pos->r = SDL_JoystickGetAxis(stick, 3);
    }
    if (mask & JOYFLAG_UVALID) {
      pos->u = SDL_JoystickGetAxis(stick, 4);
    }
    if (mask & JOYFLAG_VVALID) {
      pos->v = SDL_JoystickGetAxis(stick, 5);
    }
    for (i = 0; i < JOYPOV_NUM; ++i) {
      if (mask & (JOYFLAG_POVVALID << i)) {
        pos->pov[i] = map_hat(SDL_JoystickGetHat(stick, i));
      }
    }
    for (i = Joysticks[joy].caps.num_btns; i >= 0; --i) {
      if (SDL_JoystickGetButton(stick, i)) {
        pos->buttons |= (1 << i);
      }
    }
  }
}

static int joyGetNumDevs(void) {
  int found = 0;