diff --git a/libs/picomodel.h b/libs/picomodel.h
index f33c6da6..a1f2c5c6 100644
--- a/libs/picomodel.h
+++ b/libs/picomodel.h
@@ -267,6 +267,7 @@ void                        PicoSetSurfaceIndex( picoSurface_t *surface, int num
 void                        PicoSetSurfaceIndexes( picoSurface_t *surface, int num, picoIndex_t *index, int count );
 void                        PicoSetFaceNormal( picoSurface_t *surface, int num, picoVec3_t normal );
 void                        PicoSetSurfaceSpecial( picoSurface_t *surface, int num, int special );
+void                        PicoSetSurfaceSmoothingGroup( picoSurface_t *surface, int num, picoIndex_t smoothingGroup );
 
 
 /* getter functions */
diff --git a/libs/picomodel/picomodel.vcxproj b/libs/picomodel/picomodel.vcxproj
index f5c872a5..2faa101c 100644
--- a/libs/picomodel/picomodel.vcxproj
+++ b/libs/picomodel/picomodel.vcxproj
@@ -147,6 +147,7 @@
     <ClCompile Include="lwo\surface.c" />
     <ClCompile Include="lwo\vecmath.c" />
     <ClCompile Include="lwo\vmap.c" />
+    <ClCompile Include="pm_terrain.c" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
diff --git a/libs/picomodel/picomodel.vcxproj.filters b/libs/picomodel/picomodel.vcxproj.filters
index 2760cddb..d22ec524 100644
--- a/libs/picomodel/picomodel.vcxproj.filters
+++ b/libs/picomodel/picomodel.vcxproj.filters
@@ -77,5 +77,8 @@
     <ClCompile Include="lwo\vmap.c">
       <Filter>src\lwo</Filter>
     </ClCompile>
+    <ClCompile Include="pm_terrain.c">
+      <Filter>src</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/libs/picomodel/pm_lwo.c b/libs/picomodel/pm_lwo.c
index 5b4f2d60..dfb64c6e 100644
--- a/libs/picomodel/pm_lwo.c
+++ b/libs/picomodel/pm_lwo.c
@@ -285,8 +285,8 @@ static picoModel_t *_lwo_load( PM_PARAMS_LOAD ){
 
 ///* doom3 lwo data doesn't seem to have smoothing-angle information */
 //#if 0
-//				if ( surface->smooth <= 0 ) {
-//					/* use face normals */
+				if ( surface->smooth <= 0 ) {
+					/* use face normals */
 				normal[ 0 ] = v->norm[ 0 ];
 				normal[ 1 ] = v->norm[ 2 ];
 				normal[ 2 ] = v->norm[ 1 ];