Function getDataFile

src/Engine/CrossPlatform.cpp:388–416

* Takes a filename and tries to find it in the game's Data folders, * accounting for the system's case-sensitivity and path style. * @param filename Original filename. * @return Correct filename or "" if it doesn't exist. */

 * @return Correct filename or "" if it doesn't exist.
 */
std::string getDataFile(const std::string &filename)
{
	// Correct folder separator
	std::string name = filename;
#ifdef _WIN32
	std::replace(name.begin(), name.end(), '/', PATH_SEPARATOR);
#endif

	// Check current data path
	std::string path = caseInsensitive(Options::getDataFolder(), name);
	if (path != "")
	{
		return path;
	}

	// Check every other path
	for (std::vector<std::string>::const_iterator i = Options::getDataList().begin(); i != Options::getDataList().end(); ++i)
	{
		std::string path = caseInsensitive(*i, name);
		if (path != "")
		{
			Options::setDataFolder(*i);
			return path;
		}
	}

	// Give up
	return filename;
}

/**
 * Takes a foldername and tries to find it in the game's Data folders,