+int unmap_element(int element)
+{
+ switch (element)
+ {
+ case EL_STEEL_WALL: return EL_WALL_STEEL;
+ case EL_WOODEN_WALL: return EL_WALL_WOOD;
+ case EL_ICE_WALL: return EL_WALL_ICE;
+ case EL_AMOEBA_WALL: return EL_WALL_AMOEBA;
+ case EL_DF_STEEL_WALL: return EL_DF_WALL_STEEL;
+ case EL_DF_WOODEN_WALL: return EL_DF_WALL_WOOD;
+
+ default: return element;
+ }
+}
+