Function TelComHandleAllEvents

Descent3/TelCom.cpp:2552–2744

#define TELCOM_FRAMERATE_CAP 25.0f
void GameFrame(void);
void TelComHandleAllEvents(tTelComInfo *tcs) {
  static float last_frame_time = 0;
  float frame_time;

  volatile float curr_time = timer_GetTime();
  volatile float next_time = last_frame_time + (1 / TELCOM_FRAMERATE_CAP);

  if (curr_time < next_time) {
    Sleep((next_time - curr_time) * 1000.0f);
  }
  if (last_frame_time == 0) {
    frame_time = 0.1f;
  }
  frame_time = curr_time - last_frame_time;
  last_frame_time = curr_time;

  // First handle all events that the TelCom system has waiting
  tTCEvent event;
  while (TelComPopEvent(&event)) {
    // handle the event
    switch (event.id) {
    case -1:
      mprintf(0, "TelCom Error: Trying to process an event of type -1\n");
      Int3(); // Hey!! How'd we pop off a -1!!! Get Jeff
      break;
    case TEVT_TCQUIT: {
      // the user wants to quit out of the TelCom
      tcs->current_status = TS_OFF;
    } break;
    case TEVT_SCREENSHOT: {
      // take a screenshot
      mprintf(0, "Taking Screenshot\n");
      DoScreenshot();
    } break;
    case TEVT_TCNEXT: {
      // the user wants to go to the next screen
      if (TelcomAdvanceScreen() && tcs->current_status == TS_MISSION && !Telcom_called_from_game) {
        // exit out of TelCom
        tcs->state = TCS_POWEROFF;
      }
    } break;
    case TEVT_TCPREV: {
      // the user wants to go to the prev screen
      TelcomBackupScreen();
    } break;
    case TEVT_TCJUMP: {
      int screen = event.parms[0];
      ASSERT(screen >= 0 && screen < MAX_TELCOM_SCREENS);

      // the user wants to jump to a screen
      TelComJumpScreen(screen);
    } break;
    case TEVT_FAKEKEYPRESS: {
      TelComHandleKeyPress(event.parms[0], true, TC_current_screen);
    } break;
    default:
      mprintf(0, "TelCom System Warning: Unhandled event %d\n", event.id);
      break;