Function InitRailTypes

src/rail_cmd.cpp:130–143

* Resolve sprites of custom rail types */

 * Resolve sprites of custom rail types
 */
void InitRailTypes()
{
	_sorted_railtypes.clear();
	for (RailTypeInfo &rti : _railtypes) {
		RailType rt = rti.Index();

		ResolveRailTypeGUISprites(&rti);
		_railtypes_hidden_mask.Set(rt, rti.flags.Test(RailTypeFlag::Hidden));

		if (rti.label == 0) continue;
		_sorted_railtypes.push_back(rt);
	}
	std::sort(_sorted_railtypes.begin(), _sorted_railtypes.end(), CompareRailTypes);
}

/**
 * Allocate a new rail type label