Function RenderHUDFrame

Descent3/hud.cpp:1207–1262

//		render internal gauges too.

void RenderHUDFrame() {
  extern bool Guided_missile_smallview; // from smallviews.cpp

  rend_SetOverlayType(OT_NONE);

  // determine hud rendering properties.
  Hud_aspect_x = (float)Game_window_w / DEFAULT_HUD_WIDTH;
  Hud_aspect_y = (float)Game_window_h / DEFAULT_HUD_HEIGHT;
  Small_hud_flag = (((float)Game_window_w / (float)Max_window_w) <= 0.80f) ? true : false;

  //	render special missile hud if available
  if (Players[Player_num].guided_obj && !Guided_missile_smallview) {
    if (!Cinematic_inuse)
      RenderMissileReticle();
  } else if (Players[Player_num].flags & PLAYER_FLAGS_ZOOMED) {
    if (!Cinematic_inuse)
      RenderZoomReticle();
  } else if (!(Players[Player_num].flags & PLAYER_FLAGS_REARVIEW)) {
    switch (GetHUDMode()) {
    case HUD_FULLSCREEN:
      RenderHUDItems(Hud_stat_mask);
      RenderCockpit(); // needed to render animated deactivation sequence and should be dormant
      if (Game_toggles.show_reticle) {
        RenderReticle();
      }
      break;

    case HUD_COCKPIT:
      RenderHUDItems(Hud_stat_mask);
      RenderCockpit(); // called when cockpit is activating and functioning.
      if (Game_toggles.show_reticle) {
        RenderReticle();
      }
      break;

    case HUD_LETTERBOX:
      if (!Cinematic_inuse)
        RenderHUDItems(Hud_stat_mask);
      break;

    case HUD_OBSERVER:
      if (!Cinematic_inuse)
        RenderHUDItems(Hud_stat_mask);
      break;

    default:
      Int3();
    }
  }

  // Do dll stuff
  CallGameDLL(EVT_CLIENT_HUD_INTERVAL, &DLLInfo);

  rend_SetZBufferState(1);
  mprintf_at(2, 0, 0, "FPS: %f", GetFPS());
}

// renders hud frame before any graphics are drawn