Method Version

src/strgen/strgen_base.cpp:130–154

* Make a hash of the file to get a unique "version number" * @return The version number. */

 * @return The version number.
 */
uint32_t StringData::Version() const
{
	uint32_t hash = 0;

	for (size_t i = 0; i < this->max_strings; i++) {
		const LangString *ls = this->strings[i].get();

		if (ls != nullptr) {
			hash ^= i * 0x717239;
			hash = (hash & 1 ? hash >> 1 ^ 0xDEADBEEF : hash >> 1);
			hash = VersionHashStr(hash, ls->name);

			StringConsumer consumer(ls->english);
			ParsedCommandString cs;
			while ((cs = ParseCommandString(consumer)).cmd != nullptr) {
				if (cs.cmd->flags.Test(CmdFlag::DontCount)) continue;

				hash ^= (cs.cmd - _cmd_structs) * 0x1234567;
				hash = (hash & 1 ? hash >> 1 ^ 0xF00BAA4 : hash >> 1);
			}
		}
	}

	return hash;
}

/**
 * Count the number of tab elements that are in use.