+enum mdl_surface_prop
+{
+ k_surface_prop_concrete = 0,
+ k_surface_prop_wood = 1,
+ k_surface_prop_grass = 2
+};
+
+enum material_flag
+{
+ k_material_flag_skate_surface = 0x1,
+ k_material_flag_collision = 0x2,
+ k_material_flag_grow_grass = 0x4,
+ k_material_flag_grind_surface = 0x8
+};
+