Set fog on textures that don't appear in materials.xml too

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@9791 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/graphics/material_manager.cpp

@@ -26,6 +26,8 @@
 #include "graphics/material.hpp"
 #include "io/file_manager.hpp"
 #include "io/xml_node.hpp"
+#include "modes/world.hpp"
+#include "tracks/track.hpp"
 #include "utils/string_utils.hpp"
 
 #include <ITexture.h>
@@ -126,6 +128,11 @@ void MaterialManager::setAllMaterialFlags(video::ITexture* t,
     
     mb->getMaterial().ColorMaterial = video::ECM_DIFFUSE_AND_AMBIENT;
     
+    if (World::getWorld() != NULL && World::getWorld()->getTrack() != NULL)
+    {
+        mb->getMaterial().FogEnable = World::getWorld()->getTrack()->isFogEnabled();
+    }
+    
     //if (UserConfigParams::m_fullscreen_antialiasing)
     //    mb->getMaterial().AntiAliasing = video::EAAM_LINE_SMOOTH;