Function HasRailTypeAvail

src/rail.cpp:68–71

* Finds out if a company has a certain buildable railtype available. * @param company the company in question * @param railtype requested RailType * @return true if company has requested RailType available */

 * @return true if company has requested RailType available
 */
bool HasRailTypeAvail(const CompanyID company, const RailType railtype)
{
	return !_railtypes_hidden_mask.Test(railtype) && Company::Get(company)->avail_railtypes.Test(railtype);
}

/**
 * Test if any buildable railtype is available for a company.