Add requested VERSION tag.

src/NotesLoaderSSC.cpp

@@ -212,6 +212,11 @@ bool SSCLoader::LoadFromSSCFile( const RString &sPath, Song &out, bool bFromCach
 					out.m_sArtistTranslit = sParams[1];
 				}
 				
+				else if( sValueName=="VERSION" )
+				{
+					out.m_fVersion = StringToFloat( sParams[1] );
+				}
+				
 				else if( sValueName=="GENRE" )
 				{
 					out.m_sGenre = sParams[1];

src/NotesWriterSSC.cpp

@@ -46,6 +46,7 @@ static void WriteGlobalTags( RageFile &f, const Song &out )
 	f.PutLine( ssprintf( "#TITLETRANSLIT:%s;", SmEscape(out.m_sMainTitleTranslit).c_str() ) );
 	f.PutLine( ssprintf( "#SUBTITLETRANSLIT:%s;", SmEscape(out.m_sSubTitleTranslit).c_str() ) );
 	f.PutLine( ssprintf( "#ARTISTTRANSLIT:%s;", SmEscape(out.m_sArtistTranslit).c_str() ) );
+	f.PutLine( ssprintf( "#VERSION:%f;", out.m_fVersion ) );
 	f.PutLine( ssprintf( "#GENRE:%s;", SmEscape(out.m_sGenre).c_str() ) );
 	f.PutLine( ssprintf( "#CREDIT:%s;", SmEscape(out.m_sCredit).c_str() ) );
 	f.PutLine( ssprintf( "#BANNER:%s;", SmEscape(out.m_sBannerFile).c_str() ) );

src/Song.cpp

@@ -52,6 +52,8 @@ static const char *InstrumentTrackNames[] = {
 XToString( InstrumentTrack );
 StringToX( InstrumentTrack );
 
+const static float VERSION_NUMBER = 0.5f;
+
 Song::Song()
 {
 	FOREACH_BackgroundLayer( i )
@@ -59,6 +61,7 @@ Song::Song()
 	m_ForegroundChanges = AutoPtrCopyOnWrite<VBackgroundChange>(new VBackgroundChange);
 
 	m_LoadedFromProfile = ProfileSlot_Invalid;
+	m_fVersion = VERSION_NUMBER;
 	m_fMusicSampleStartSeconds = -1;
 	m_fMusicSampleLengthSeconds = DEFAULT_MUSIC_SAMPLE_LENGTH;
 	m_fMusicLengthSeconds = 0;

src/Song.h

@@ -124,6 +124,9 @@ public:
 	RString GetDisplayFullTitle() const;
 	RString GetTranslitFullTitle() const;
 	
+	// allow versioning with the song.
+	float	m_fVersion;
+
 	RString m_sGenre;
 
 	// This is read and saved, but never actually used.