Rooms are now styled randomly based on assets/styles.json which will evolve into specifications for themes of levels and rooms in them plus other configs.

config.cpp

@@ -15,6 +15,10 @@ Config::Config(const std::string src_path) : $src_path(src_path) {
   $config = json::parse(infile);
 }
 
+nlohmann::json &Config::operator[](size_t key) {
+  return $config[key];
+}
+
 json &Config::operator[](const std::string &key) {
   dbc::check($config.contains(key), fmt::format("ERROR in config, key {} doesn't exist.", key));
   return $config[key];