fog

apps/openmw/mwrender/renderingmanager.cpp

@@ -204,14 +204,22 @@ void RenderingManager::configureFog(ESMS::CellStore<MWWorld::RefData> &mCell)
   Ogre::ColourValue color;
   color.setAsABGR (mCell.cell->ambi.fog);
 
-  float high = /*4500 + 9000 * */(1-mCell.cell->ambi.fogDensity);
+  configureFog(mCell.cell->ambi.fogDensity, color);
-  float low = 200;
-
-  mRendering.getScene()->setFog (FOG_LINEAR, color, 0, low, high);
-  mRendering.getCamera()->setFarClipDistance (high + 10);
-  mRendering.getViewport()->setBackgroundColour (color);
 }
 
+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;
+    
+  mRendering.getScene()->setFog (FOG_LINEAR, colour, 0, low, high);
+  
+  mRendering.getCamera()->setFarClipDistance ( high );
+  mRendering.getViewport()->setBackgroundColour (colour);
+}
+
+
 void RenderingManager::setAmbientMode()
 {
   switch (mAmbientMode)

apps/openmw/mwrender/renderingmanager.hpp

@@ -102,9 +102,13 @@ class RenderingManager: private RenderingInterface {
     int skyGetSecundaPhase() const;
     void skySetMoonColour (bool red);
     void configureAmbient(ESMS::CellStore<MWWorld::RefData> &mCell);
+    
     /// configure fog according to cell
     void configureFog(ESMS::CellStore<MWWorld::RefData> &mCell);
-
+    
+    /// configure fog manually
+    void configureFog(const float density, const Ogre::ColourValue& colour);
+    
     void playAnimationGroup (const MWWorld::Ptr& ptr, const std::string& groupName, int mode,
         int number = 1);
     ///< Run animation for a MW-reference. Calls to this function for references that are currently not

apps/openmw/mwrender/sky.cpp

@@ -623,8 +623,6 @@ void SkyManager::setWeather(const MWWorld::WeatherResult& weather)
     }
     
     mAtmosphereNight->setVisible(weather.mNight && mEnabled);
-
-    mViewport->setBackgroundColour(weather.mFogColor);
 }
 
 void SkyManager::setGlare(bool glare)

apps/openmw/mwworld/scene.cpp

@@ -235,6 +235,9 @@ namespace MWWorld
         // adjust player
         mCurrentCell = cell;
         playerCellChange (cell, position);
+        
+        // adjust fog
+        mRendering.configureFog(*cell);
 
         // Sky system
         mWorld->adjustSky();

apps/openmw/mwworld/weather.cpp

@@ -354,6 +354,8 @@ WeatherResult WeatherManager::getResult(const String& weather)
     
     result.mNight = (mHour < 6.f+fade_duration || mHour > 20.f-fade_duration);
     
+    result.mFogDepth = result.mNight ? current.mLandFogNightDepth : current.mLandFogDayDepth;
+    
     // night
     if (mHour <= (WeatherGlobals::mSunriseTime-WeatherGlobals::mSunriseDuration)
         || mHour >= (WeatherGlobals::mSunsetTime+WeatherGlobals::mSunsetDuration))
@@ -569,6 +571,8 @@ void WeatherManager::update(float duration)
         else
             result = getResult(mCurrentWeather);
         
+        mRendering->configureFog(result.mFogDepth, result.mFogColor);
+        
         // disable sun during night
         if (mHour >= WeatherGlobals::mSunsetTime+WeatherGlobals::mSunsetDuration
             || mHour <= WeatherGlobals::mSunriseTime-WeatherGlobals::mSunriseDuration)
@@ -699,6 +703,8 @@ void WeatherManager::update(float duration)
                 }
             }
         }
+        else
+            mRendering->getSkyManager()->setThunder(0.f);
         
         mRendering->setAmbientColour(result.mAmbientColor);
         mRendering->sunEnable();