Merge remote branch 'scrawl/viewingdistance'

apps/openmw/mwrender/renderingmanager.cpp

@@ -210,9 +210,14 @@ void RenderingManager::configureFog(ESMS::CellStore<MWWorld::RefData> &mCell)
 void RenderingManager::configureFog(const float density, const Ogre::ColourValue& colour)
 {  
   /// \todo make the viewing distance and fog start/end configurable
-  float low = 3000 / density;
-  float high = 6200 / density;
-    
+
+  // right now we load 3x3 cells, so the maximum viewing distance we 
+  // can allow (to prevent objects suddenly popping up) equals:
+  // 8192            * 0.69
+  //   ^ cell size    ^ minimum density value used (clear weather)
+  float low = 5652.48 / density / 2.f;
+  float high = 5652.48 / density;
+
   mRendering.getScene()->setFog (FOG_LINEAR, colour, 0, low, high);
   
   mRendering.getCamera()->setFarClipDistance ( high );