BM Gametype (no keysounds yet, its just DDR with BM keys :D) + Metricable default scrolling direction support

stepmania/src/MusicBannerWheel.cpp

@@ -23,6 +23,8 @@
 #define MAXSONGSINBUFFER 5
 #define BANNERTYPE 1
 
+#define DEFAULT_SCROLL_DIRECTION		THEME->GetMetricI("Notes","DefaultScrollDirection")
+
 MusicBannerWheel::MusicBannerWheel() 
 { 
 	currentPos=0;
@@ -30,6 +32,12 @@ MusicBannerWheel::MusicBannerWheel()
 	SongsExist=0;
 	SingleLoad=0;
 
+	if(DEFAULT_SCROLL_DIRECTION && GAMESTATE->m_pCurSong == NULL) /* check the song is null... incase they have just come back from a song and changed their PlayerOptions */
+	{
+		for(int i=0; i<NUM_PLAYERS; i++)
+			GAMESTATE->m_PlayerOptions[i].m_bReverseScroll = true;
+	}
+
 	m_ScrollingList.UseSpriteType(BANNERTYPE);
 	m_ScrollingList.SetXY( 0, 0 );
 	m_ScrollingList.SetSpacing( BANNERSPACING );