case EL_TUBE_RIGHT_UP: return GFX_TUBE_RIGHT_UP;
case EL_TUBE_RIGHT_DOWN: return GFX_TUBE_RIGHT_DOWN;
case EL_SPRING: return GFX_SPRING;
case EL_TUBE_RIGHT_UP: return GFX_TUBE_RIGHT_UP;
case EL_TUBE_RIGHT_DOWN: return GFX_TUBE_RIGHT_DOWN;
case EL_SPRING: return GFX_SPRING;