Fix ambient handling.

src/graphics/camera.cpp

@@ -669,7 +669,6 @@ void Camera::activate()
 {
     irr::scene::ISceneManager *sm = irr_driver->getSceneManager();
     sm->setActiveCamera(m_camera);
-    sm->setAmbientLight(m_ambient_light);
     irr_driver->getVideoDriver()->setViewPort(m_viewport);
 
 }   // activate

src/graphics/irr_driver.cpp

@@ -1623,15 +1623,13 @@ void IrrDriver::onUnloadWorld()
  */
 void IrrDriver::setAmbientLight(const video::SColorf &light)
 {
-    printf("redval %f\n", light.getRed());
     m_scene_manager->setAmbientLight(light);
-    m_ambient = light;
     m_SH_dirty = true;
 }   // setAmbientLight
 
 video::SColorf IrrDriver::getAmbientLight() const
 {
-    return m_ambient;
+    return m_scene_manager->getAmbientLight();
 }
 
 // ----------------------------------------------------------------------------

src/graphics/irr_driver.hpp

@@ -341,7 +341,6 @@ private:
     std::vector<BloomData> m_forcedbloom;
 
     std::vector<scene::ISceneNode *> m_background;
-    video::SColorf m_ambient;
 
     STKRenderingPass m_phase;
 

src/graphics/render_skybox.cpp

@@ -485,7 +485,7 @@ void IrrDriver::generateDiffuseCoefficients()
         int sh_w = 16;
         int sh_h = 16;
 
-        video::SColor ambient = m_ambient.toSColor();
+        video::SColor ambient = m_scene_manager->getAmbientLight().toSColor();
 
         unsigned char *sh_rgba[6];
         for (unsigned i = 0; i < 6; i++)