Method SelectLanguage

src/translation.cpp:161–193

void Translation::SelectLanguage(std::string_view lang_id)
{
	// Try to read in our language files.
	Output::Debug("Changing language to: '{}'", (!lang_id.empty() ? lang_id : "<Default>"));

	AsyncHandler::ClearRequests();

	if (!lang_id.empty()) {
		auto root = GetRootTree();
		if (!root) {
			Output::Warning("Cannot load translation. 'Language' folder does not exist");
			return;
		}

		FilesystemView language_tree = root.Subtree(lang_id);
		if (language_tree) {
			auto files = Utils::MakeSvArray(TRFILE_RPG_RT_LDB, TRFILE_RPG_RT_BATTLE, TRFILE_RPG_RT_COMMON, TRFILE_RPG_RT_LMT, "Font/Font", "Font/Font2");
			request_counter = static_cast<int>(files.size());
			for (auto s: files) {
				FileRequestAsync* request = AsyncHandler::RequestFile(language_tree.GetFullPath(), s);
				request->SetImportantFile(true);
				requests.emplace_back(request->Bind(&Translation::SelectLanguageAsync, this, lang_id));
				request->Start();
			}
		} else {
			Output::Warning("Translation for '{}' does not appear to exist", lang_id);
		}
	} else {
		// Default language, no request needed
		request_counter = 1;
		SelectLanguageAsync(nullptr, lang_id);
	}
}

void Translation::SelectLanguageAsync(FileRequestResult*, std::string_view lang_id) {
	--request_counter;