Lots of work on printbuffers

luprex/core/cpp/util.hpp

@@ -94,6 +94,9 @@ std::string trim(std::string s);
 // Calculate distance between two points
 double distance_squared(double x1, double y1, double x2, double y2);
 
+// Return true if a world type is authoritative.
+bool world_type_authoritative(util::WorldType wt);
+
 // Remove nullptrs from a vector of unique pointers.
 template<class T>
 void remove_nullptrs(std::vector<std::unique_ptr<T>> &vec) {