Method update

Engine/source/scene/reflectionManager.cpp:122–271

}

void ReflectionManager::update(  F32 timeSlice, 
                                 const Point2I &resolution, 
                                 const CameraQuery &query )
{
   GFXDEBUGEVENT_SCOPE( UpdateReflections, ColorI::WHITE );

   if ( mReflectors.empty() )
      return;

   PROFILE_SCOPE( ReflectionManager_Update );

   // Calculate our target time from the slice.
   U32 targetMs = timeSlice * smFrameReflectionMS;

   // Setup a culler for testing the 
   // visibility of reflectors.
   Frustum culler;

   // jamesu - normally we just need a frustum which covers the current ports, however for SBS mode 
   // we need something which covers both viewports.
   S32 stereoTarget = GFX->getCurrentStereoTarget();
   if (stereoTarget != -1)
   {
      // In this case we're rendering in stereo using a specific eye
      MathUtils::makeFovPortFrustum(&culler, false, query.nearPlane, query.farPlane, query.fovPort[stereoTarget], query.headMatrix);
   }
   else if (GFX->getCurrentRenderStyle() == GFXDevice::RS_StereoSideBySide)
   {
      // Calculate an ideal culling size here, we'll just assume double fov based on the first fovport based on 
      // the head position.
      FovPort port = query.fovPort[0];
      F32 upSize = query.nearPlane * port.upTan;
      F32 downSize = query.nearPlane * port.downTan;

      F32 top = upSize;
      F32 bottom = -downSize;

      F32 fovInRadians = mAtan2((top - bottom) / 2.0f, query.nearPlane) * 3.0f;

      culler.set(false,
         fovInRadians,
         (F32)(query.stereoViewports[0].extent.x + query.stereoViewports[1].extent.x) / (F32)query.stereoViewports[0].extent.y,
         query.nearPlane,
         query.farPlane,
         query.headMatrix);
   }
   else
   {
      // Normal culling
      culler.set(false,
         query.fov,
         (F32)resolution.x / (F32)resolution.y,
         query.nearPlane,
         query.farPlane,
         query.cameraMatrix);
   }

   // Manipulate the frustum for tiled screenshots