Method get_packet

linux/lnxcontroller.cpp:491–569

all systems need to implement this function. this returns information about the controller

//	all systems need to implement this function.  this returns information about the controller
bool lnxgameController::get_packet(int id, ct_packet *packet, ct_format alt_format) {
  float val = (float)0.0;
  int i;

  ASSERT(id < CT_MAX_ELEMENTS);

  packet->format = (alt_format != ctNoFormat) ? alt_format : m_ElementList[id].format;
  alt_format = packet->format;

  WinControllerTimer = timer_GetTime();
  packet->flags = 0;

  if (!m_ElementList[id].enabled) {
    goto skip_packet_read;
  }

  //	check if the element's controller is valid.

  for (i = 0; i < CTLBINDS_PER_FUNC; i++) {
    uint8_t value = m_ElementList[id].value[i];
    int8_t controller = m_ElementList[id].ctl[i];

    if (controller == -1 || m_ControlList[controller].id == CTID_INVALID) {
      continue;
    }
    switch (m_ElementList[id].ctype[i]) {
    case ctKey:
      if (value) {
        val = get_key_value(value, alt_format);
        if (KEY_STATE(value))
          packet->flags |= CTPK_ELEMENTACTIVE;
      }
      break;

    case ctMouseAxis:
      packet->flags |= CTPK_MOUSE;
    case ctAxis:
      val = get_axis_value(controller, value, alt_format, (m_ElementList[id].flags[i] & CTFNF_INVERT) ? true : false);
      if (m_ElementList[id].flags[i] & CTFNF_INVERT) {
        if (alt_format == ctDigital) {
          val = (val == 0.0f) ? 1.0f : 0.0f;
        } else if (alt_format == ctAnalog) {
          val = -val;
        }
      }
      break;

    case ctMouseButton:
      packet->flags |= CTPK_MOUSE;
    case ctButton:
      val = get_button_value(controller, alt_format, value);
      break;

    case ctPOV:
      val = get_pov_value(controller, alt_format, 0, value);
      break;
    case ctPOV2:
    case ctPOV3: