Added tags #PREVIEW for .sma and #PREVIEWBG for .ssc

Added HasPreviewBG() and GetPreviewBGPath() lua bindings

src/NotesLoaderSMA.cpp

@@ -208,6 +208,9 @@ bool SMALoader::LoadFromSimfile( const RString &sPath, Song &out, bool bFromCach
 		else if( sValueName=="BACKGROUND" )
 			out.m_sBackgroundFile = sParams[1];
 
+		else if( sValueName=="PREVIEW" )
+			out.m_sPreviewBGFile = sParams[1];
+		
 		// Save "#LYRICS" for later, so we can add an internal lyrics tag.
 		else if( sValueName=="LYRICSPATH" )
 			out.m_sLyricsFile = sParams[1];

src/NotesLoaderSSC.cpp

@@ -325,6 +325,11 @@ bool SSCLoader::LoadFromSimfile( const RString &sPath, Song &out, bool bFromCach
 					out.m_sBackgroundFile = sParams[1];
 				}
 
+				else if( sValueName=="PREVIEWBG" )
+				{
+					out.m_sPreviewBGFile = sParams[1];
+				}
+
 				else if( sValueName=="JACKET" )
 				{
 					out.m_sJacketFile = sParams[1];

src/NotesWriterSSC.cpp

@@ -222,6 +222,7 @@ static void WriteGlobalTags( RageFile &f, const Song &out )
 	f.PutLine( ssprintf( "#CREDIT:%s;", SmEscape(out.m_sCredit).c_str() ) );
 	f.PutLine( ssprintf( "#BANNER:%s;", SmEscape(out.m_sBannerFile).c_str() ) );
 	f.PutLine( ssprintf( "#BACKGROUND:%s;", SmEscape(out.m_sBackgroundFile).c_str() ) );
+	f.PutLine( ssprintf( "#PREVIEWBG:%s;", SmEscape(out.m_sPreviewBGFile).c_str() ) );
 	f.PutLine( ssprintf( "#JACKET:%s;", SmEscape(out.m_sJacketFile).c_str() ) );
 	f.PutLine( ssprintf( "#CDIMAGE:%s;", SmEscape(out.m_sCDFile).c_str() ) );
 	f.PutLine( ssprintf( "#DISCIMAGE:%s;", SmEscape(out.m_sDiscFile).c_str() ) );

src/Song.cpp

@@ -1273,6 +1273,10 @@ bool Song::HasCDImage() const
 {
 	return m_sCDFile != ""	&& IsAFile(GetCDImagePath());
 }
+bool Song::HasPreviewBG() const
+{
+	return m_sPreviewBGFile != ""	&& IsAFile(GetPreviewBGPath());
+}
 
 const vector<BackgroundChange> &Song::GetBackgroundChanges( BackgroundLayer bl ) const
 {
@@ -1406,6 +1410,11 @@ RString Song::GetCDImagePath() const
 	return GetSongAssetPath( m_sCDFile, m_sSongDir );
 }
 
+RString Song::GetPreviewBGPath() const
+{
+	return GetSongAssetPath( m_sPreviewBGFile, m_sSongDir );
+}
+
 RString Song::GetDisplayMainTitle() const
 {
 	if(!PREFSMAN->m_bShowNativeLanguage) return GetTranslitMainTitle();
@@ -1698,6 +1707,15 @@ public:
 			lua_pushnil(L);
 		return 1; 
 	}
+	static int GetPreviewBGPath( T* p, lua_State *L )
+	{
+		RString s = p->GetPreviewBGPath();
+		if( !s.empty() ) 
+			lua_pushstring(L, s);
+		else
+			lua_pushnil(L);
+		return 1; 
+	}
 	static int GetJacketPath( T* p, lua_State *L )
 	{
 		RString s = p->GetJacketPath();
@@ -1819,6 +1837,7 @@ public:
 	static int HasMusic( T* p, lua_State *L )			{ lua_pushboolean(L, p->HasMusic()); return 1; }
 	static int HasBanner( T* p, lua_State *L )		{ lua_pushboolean(L, p->HasBanner()); return 1; }
 	static int HasBackground( T* p, lua_State *L )	{ lua_pushboolean(L, p->HasBackground()); return 1; }
+	static int HasPreviewBG( T* p, lua_State *L )	{ lua_pushboolean(L, p->HasPreviewBG()); return 1; }
 	static int HasJacket( T* p, lua_State *L )		{ lua_pushboolean(L, p->HasJacket()); return 1; }
 	static int HasDisc( T* p, lua_State *L )			{ lua_pushboolean(L, p->HasDisc()); return 1; }
 	static int HasCDImage( T* p, lua_State *L )		{ lua_pushboolean(L, p->HasCDImage()); return 1; }
@@ -1975,6 +1994,8 @@ public:
 		ADD_METHOD( IsDisplayBpmConstant );
 		ADD_METHOD( IsDisplayBpmRandom );
 		ADD_METHOD( ShowInDemonstrationAndRanking );
+		ADD_METHOD( HasPreviewBG );
+		ADD_METHOD( GetPreviewBGPath );
 	}   
 };
 

src/Song.h

@@ -238,6 +238,7 @@ public:
 	RString m_sLyricsFile;
 	RString m_sBackgroundFile;
 	RString m_sCDTitleFile;
+	RString m_sPreviewBGFile;
 
 	AttackArray m_Attacks;
 	vector<RString>	m_sAttackString;
@@ -251,6 +252,7 @@ public:
 	RString	GetLyricsPath() const;
 	RString GetBackgroundPath() const;
 	RString GetCDTitlePath() const;
+	RString GetPreviewBGPath() const;
 
 	// For loading only:
 	bool m_bHasMusic, m_bHasBanner, m_bHasBackground;
@@ -273,6 +275,7 @@ public:
 	bool HasBGChanges() const;
 	bool HasLyrics() const;
 	bool HasAttacks() const;
+	bool HasPreviewBG() const;
 
 	bool Matches(RString sGroup, RString sSong) const;