(svn r19206) -Add: concept of fallback base sets, i.e. do not automatically load the NoMusic/NoSound sets when there is another set

src/base_media_base.h

@@ -59,6 +59,7 @@ struct BaseSet {
 	TranslatedStrings description; ///< Description of the base set
 	uint32 shortname;              ///< Four letter short variant of the name
 	uint32 version;                ///< The version of this base set
+	bool fallback;                 ///< This set is a fallback set, i.e. it should be used only as last resort
 
 	MD5File files[NUM_FILES];      ///< All files part of this set
 	uint found_files;              ///< Number of the files that could be found