Function MakeScreenshotName

src/screenshot.cpp:135–170

* Construct a pathname for a screenshot file. * @param default_fn Default filename. * @param ext Extension to use. * @param crashlog Create path for crash.png * @return Pathname for a screenshot file. */

 * @return Pathname for a screenshot file.
 */
static std::string_view MakeScreenshotName(std::string_view default_fn, std::string_view ext, bool crashlog = false)
{
	bool generate = _screenshot_name.empty();

	if (generate) {
		if (_game_mode == GM_EDITOR || _game_mode == GM_MENU || _local_company == COMPANY_SPECTATOR) {
			_screenshot_name = default_fn;
		} else {
			_screenshot_name = GenerateDefaultSaveName();
		}
	}

	/* Handle user-specified filenames ending in # with automatic numbering */
	if (_screenshot_name.ends_with("#")) {
		generate = true;
		_screenshot_name.pop_back();
	}

	size_t len = _screenshot_name.size();
	/* Add extension to screenshot file */
	format_append(_screenshot_name, ".{}", ext);

	std::string_view screenshot_dir = crashlog ? _personal_dir : FiosGetScreenshotDir();

	for (uint serial = 1;; serial++) {
		_full_screenshot_path = fmt::format("{}{}", screenshot_dir, _screenshot_name);

		if (!generate) break; // allow overwriting of non-automatic filenames
		if (!FileExists(_full_screenshot_path)) break;
		/* If file exists try another one with same name, but just with a higher index */
		_screenshot_name.erase(len);
		format_append(_screenshot_name, "#{}.{}", serial, ext);
	}

	return _full_screenshot_path;
}

/** Make a screenshot of the current screen. */
static bool MakeSmallScreenshot(bool crashlog)