if(g_using_smooth_groups)
		{
			F = fs.open_chunk		(EB_SmoothGroups);

			R_ASSERT2				(F,"EB_SmoothGroups chunk not found.");

			u32* sm_groups			= NULL;
			u32 sm_count			=	F->length()/sizeof(u32);

			R_ASSERT				( sm_count == lc_global_data()->g_faces().size() );
			sm_groups				= xr_alloc<u32>(sm_count);
			F->r					(sm_groups, F->length());
			F->close				();

			for(u32 idx=0; idx<sm_count; ++idx)
				lc_global_data()->g_faces()[idx]->sm_group = sm_groups[idx];

			xr_free					(sm_groups);
		}