some ambient light cleanup

apps/opencs/view/render/scenewidget.cpp

@@ -32,11 +32,7 @@ namespace CSVRender
 
         mSceneMgr = Ogre::Root::getSingleton().createSceneManager(Ogre::ST_GENERIC);
 
-        // Throw in a random color just to make sure multiple scenes work
-        Ogre::Real r = Ogre::Math::RangeRandom(0, 1);
-        Ogre::Real g = Ogre::Math::RangeRandom(0, 1);
-        Ogre::Real b = Ogre::Math::RangeRandom(0, 1);
-        mSceneMgr->setAmbientLight(Ogre::ColourValue(r,g,b,1));
+        mSceneMgr->setAmbientLight (Ogre::ColourValue (0,0,0,1));
 
         Ogre::Light* l = mSceneMgr->createLight();
         l->setType (Ogre::Light::LT_DIRECTIONAL);
@@ -57,7 +53,7 @@ namespace CSVRender
         timer->start (20); /// \todo make this configurable
     }
 
-    void SceneWidget::setAmbient (const Ogre::ColourValue& colour)
+    void SceneWidget::setDefaultAmbient (const Ogre::ColourValue& colour)
     {
         mSceneMgr->setAmbientLight (colour);
     }

apps/opencs/view/render/scenewidget.hpp

@@ -26,9 +26,6 @@ namespace CSVRender
 
             QPaintEngine*	paintEngine() const;
 
-            void setAmbient (const Ogre::ColourValue& colour);
-            ///< \note The actual ambient colour may differ based on lighting settings.
-
         protected:
 
             void setNavigation (Navigation *navigation);
@@ -38,6 +35,9 @@ namespace CSVRender
 
             void flagAsModified();
 
+            void setDefaultAmbient (const Ogre::ColourValue& colour);
+            ///< \note The actual ambient colour may differ based on lighting settings.
+
         private:
             void paintEvent(QPaintEvent* e);
             void resizeEvent(QResizeEvent* e);

apps/opencs/view/render/unpagedworldspacewidget.cpp

@@ -15,7 +15,7 @@ void CSVRender::UnpagedWorldspaceWidget::update()
 
     Ogre::ColourValue colour;
     colour.setAsABGR (record.get().mAmbi.mAmbient);
-    setAmbient (colour);
+    setDefaultAmbient (colour);
 
     /// \todo deal with mSunlight and mFog/mForDensity
 }