Function TelcomRenderScreen

Descent3/TelCom.cpp:1485–1547

Renders the current screen for 1 frame

//	Renders the current screen for 1 frame
void TelcomRenderScreen(bool poweron, bool powerup, uint8_t power_effect) {
  if (TC_current_screen == -1)
    return;

  float frametime, newtime;
  newtime = timer_GetTime();

  float cap_time = last_rendertime + (1.0f / FRAME_RATE);
  if (cap_time > newtime) {
    Descent->delay(cap_time - newtime);
    newtime = timer_GetTime();
  }

  frametime = newtime - last_rendertime;
  last_rendertime = newtime;
  last_frametime = frametime;

  if (Telcom_first_render) {
    Telcom_first_render = false;
    frametime = 0;
  }

  StartFrame(0, 0, Game_window_w, Game_window_h);

  if (Telcom_show_glitch) {
    if (((int)myrand(100 * (1.0 - Telcom_glitch_setting))) == 0) {
      Telcom_glitch_screen = true;
      glitch_dx = (int)(myrand(20) - 10.0);
      glitch_dy = (int)(myrand(12) - 6.0);
    }
  }

  // first render all the effects
  RenderScreen(TC_current_screen, &Telcom_system, frametime);

  // call the callback if it exists to render anything on the monitor screen
  if (TC_callback)
    TC_callback();

  // Render the screen overlays
  TelcomRenderOverlays();

  grtext_Flush();

  switch (power_effect) {
  case 1:
    TelcomDoPowerEffect(false, frametime);
    break;
  case 2:
    TelcomDoPowerEffect(true, frametime);
    break;
  };

  // Draw the TelCom System
  TelcomDrawScreen(poweron, powerup);

  TelcomRenderMouse();