fixes

include/util/extra_arx_parsers.hpp

@@ -0,0 +1,28 @@
+#pragma once
+
+#include <string_view>
+#include <optional>
+#include <charconv>
+#include <glm/glm.hpp>
+
+namespace extra_arx_parsers {
+
+	template<int Count, typename T, glm::qualifier Q>
+		requires (Count > 0)
+	[[nodiscard]] inline std::optional<glm::vec<Count, T>> glm_vec(const std::string_view& str) {
+		glm::vec<Count, T, Q> vec{};
+		auto it = str.cbegin();
+		for (int i = 0; i < Count; i++) {
+			const auto [ptr, ec] = std::from_chars(it, str.cend(), vec[i], std::chars_format::general);
+			if (ec != std::errc()) {
+				return std::nullopt;
+			}
+			it = ptr + 1; // skip space in between components
+		}
+		if (it < str.cend()) {
+			return std::nullopt;
+		}
+		return vec;
+	}
+
+}