Method Scan

src/fios.cpp:615–621

* Scan, but only if it's needed. * @param rescan whether to force scanning even when it's not necessary */

	 * @param rescan whether to force scanning even when it's not necessary
	 */
	void Scan(bool rescan)
	{
		if (this->scanned && !rescan) return;

		this->FileScanner::Scan(".id", SCENARIO_DIR, true, true);
		this->scanned = true;
	}

	bool AddFile(const std::string &filename, size_t, const std::string &) override
	{