Function ClearLastVariant

src/engine.cpp:635–640

* Ensure engine is not set as the last used variant for any other engine. * @param engine_id Engine being removed. * @param type Type of engine. */

 * @param type      Type of engine.
 */
static void ClearLastVariant(EngineID engine_id, VehicleType type)
{
	for (Engine *e : Engine::IterateType(type)) {
		if (e->display_last_variant == engine_id) e->display_last_variant = EngineID::Invalid();
	}
}

/**
 * Update #Engine::reliability and (if needed) update the engine GUIs.