Method UpdateData

src/company_gui.cpp:1221–1240

* Make face bits valid and update visible face variables. */

	 * Make face bits valid and update visible face variables.
	 */
	void UpdateData()
	{
		FaceVars vars = GetCompanyManagerFaceVars(this->face.style);
		ScaleAllCompanyManagerFaceBits(this->face, vars);

		uint64_t active_vars = GetActiveFaceVars(this->face, vars);
		/* Exclude active parts which have no string. */
		for (auto var : SetBitIterator(active_vars)) {
			if (vars[var].name == STR_NULL) ClrBit(active_vars, var);
		}

		/* Rebuild the sorted list of face variable pointers. */
		this->face_vars.clear();
		for (auto var : SetBitIterator(active_vars)) {
			this->face_vars.emplace_back(&vars[var]);
		}
		std::ranges::sort(this->face_vars, std::less{}, &FaceVar::position);

		this->GetScrollbar(WID_SCMF_PARTS_SCROLLBAR)->SetCount(std::size(this->face_vars));
	}

public:
	SelectCompanyManagerFaceWindow(WindowDesc &desc, Window *parent) : Window(desc)