Erwan

- bug fix in JGE++ audio (improve HBL compatibility)
- Added new rewards in story mode: random card, card (either by "name" or id), specific set
- Story mode: added possibility to choose music, and bg for duel.
-- See "01. Where it all begins" for examples of new features

projects/mtg/src/Rules.cpp

@@ -330,9 +330,9 @@ void Rules::cleanup(){
   initState.cleanup();
 }
 
-Rules::Rules(string filename){
+Rules::Rules(string filename, string _bg){
+  bg = _bg;
   load(filename);
-
 }
 
 int Rules::load(string _filename){