Method AddFile

src/fios.cpp:623–652

	}

	bool AddFile(const std::string &filename, size_t, const std::string &) override
	{
		auto f = FioFOpenFile(filename, "r", SCENARIO_DIR);
		if (!f.has_value()) return false;

		ScenarioIdentifier id;
		int fret = fscanf(*f, "%u", &id.scenid);
		if (fret != 1) return false;
		id.filename = filename;

		Md5 checksum;
		uint8_t buffer[1024];
		size_t len, size;

		/* open the scenario file, but first get the name.
		 * This is safe as we check on extension which
		 * must always exist. */
		f = FioFOpenFile(filename.substr(0, filename.rfind('.')), "rb", SCENARIO_DIR, &size);
		if (!f.has_value()) return false;

		/* calculate md5sum */
		while ((len = fread(buffer, 1, (size > sizeof(buffer)) ? sizeof(buffer) : size, *f)) != 0 && size != 0) {
			size -= len;
			checksum.Append(buffer, len);
		}
		checksum.Finish(id.md5sum);

		include(*this, id);
		return true;
	}
};

/** Scanner for scenarios */