char *author; /* level or artwork author name */
char *imported_from; /* optional comment for imported levels or artwork */
+ char *graphics_set; /* optional custom graphics set (level tree only) */
+ char *sounds_set; /* optional custom sounds set (level tree only) */
+ char *music_set; /* optional custom music set (level tree only) */
+ char *graphics_path; /* path to optional custom graphics set (level only) */
+ char *sounds_path; /* path to optional custom sounds set (level only) */
+ char *music_path; /* path to optional custom music set (level only) */
+
int levels; /* number of levels in level series */
int first_level; /* first level number (to allow start with 0 or 1) */
int last_level; /* last level number (automatically calculated) */