Scale the sunlight specular color by weather's GlareView value (Fixes #3375)

apps/openmw/mwrender/renderingmanager.cpp

@@ -351,11 +351,11 @@ namespace MWRender
         mSunLight->setDirection(osg::Vec3f(1.f,-1.f,-1.f));
     }
 
-    void RenderingManager::setSunColour(const osg::Vec4f &colour)
+    void RenderingManager::setSunColour(const osg::Vec4f& diffuse, const osg::Vec4f& specular)
     {
         // need to wrap this in a StateUpdater?
-        mSunLight->setDiffuse(colour);
-        mSunLight->setSpecular(colour);
+        mSunLight->setDiffuse(diffuse);
+        mSunLight->setSpecular(specular);
     }
 
     void RenderingManager::setSunDirection(const osg::Vec3f &direction)

apps/openmw/mwrender/renderingmanager.hpp

@@ -91,7 +91,7 @@ namespace MWRender
         void skySetMoonColour(bool red);
 
         void setSunDirection(const osg::Vec3f& direction);
-        void setSunColour(const osg::Vec4f& colour);
+        void setSunColour(const osg::Vec4f& diffuse, const osg::Vec4f& specular);
 
         void configureAmbient(const ESM::Cell* cell);
         void configureFog(const ESM::Cell* cell);

apps/openmw/mwworld/weather.cpp

@@ -722,7 +722,7 @@ void WeatherManager::update(float duration, bool paused)
 
     mRendering.configureFog(mResult.mFogDepth, underwaterFog, mResult.mFogColor);
     mRendering.setAmbientColour(mResult.mAmbientColor);
-    mRendering.setSunColour(mResult.mSunColor);
+    mRendering.setSunColour(mResult.mSunColor, mResult.mSunColor * mResult.mGlareView);
 
     mRendering.getSkyManager()->setWeather(mResult);