Add #SELECTABLE:YES, NO and ROULETTE.

Add an option for this.  It's off by default.

stepmania/src/MusicWheel.cpp

@@ -436,6 +436,11 @@ void MusicWheel::BuildWheelItemDatas( CArray<WheelItemData, WheelItemData&> &arr
 			{
 				Song* pSong = SONGMAN->m_pSongs[i];
 
+				if( !bRoulette && !pSong->NormallyDisplayed() )
+					continue;
+				if( bRoulette && !pSong->RouletteDisplayed() )
+					continue;
+
 				CArray<Notes*, Notes*> arraySteps;
 				pSong->GetNotesThatMatch( GAMESTATE->GetCurrentStyleDef()->m_NotesType, arraySteps );
 

stepmania/src/PrefsManager.cpp

@@ -49,6 +49,9 @@ PrefsManager::PrefsManager()
 	m_iMovieDecodeMS = 2;
 	m_bUseBGIfNoBanner = false;
 	m_bDelayedEscape = true;
+	/* I'd rather get occasional people asking for support for this even though it's
+	 * already here than lots of people asking why songs aren't being displayed. */
+	m_bHiddenSongs = false;
 
 	ReadGlobalPrefsFromDisk( true );
 }
@@ -85,6 +88,7 @@ void PrefsManager::ReadGlobalPrefsFromDisk( bool bSwitchToLastPlayedGame )
 	ini.GetValueI( "Options", "MovieDecodeMS",			m_iMovieDecodeMS );
 	ini.GetValueB( "Options", "UseBGIfNoBanner",		m_bUseBGIfNoBanner );
 	ini.GetValueB( "Options", "DelayedEscape",			m_bDelayedEscape );
+	ini.GetValueB( "Options", "HiddenSongs",			m_bHiddenSongs );
 
 	m_asAdditionalSongFolders.RemoveAll();
 	CString sAdditionalSongFolders;
@@ -124,6 +128,7 @@ void PrefsManager::SaveGlobalPrefsToDisk()
 	ini.SetValueI( "Options", "MovieDecodeMS",			m_iMovieDecodeMS );
 	ini.SetValueB( "Options", "UseBGIfNoBanner",		m_bUseBGIfNoBanner );
 	ini.SetValueB( "Options", "DelayedEscape",			m_bDelayedEscape );
+	ini.SetValueB( "Options", "HiddenSongs",			m_bHiddenSongs );
 
 	ini.SetValue( "Options", "AdditionalSongFolders", join(",", m_asAdditionalSongFolders) );
 

stepmania/src/PrefsManager.h

@@ -36,6 +36,7 @@ public:
 	float	m_fBGBrightness;
 	int 	m_iMovieDecodeMS;
 	bool	m_bUseBGIfNoBanner;
+	bool	m_bHiddenSongs;
 
 	bool	m_bIgnoreJoyAxes;	
 	bool	m_bOnlyDedicatedMenuButtons;

stepmania/src/ScreenSelectGroup.cpp

@@ -74,8 +74,11 @@ ScreenSelectGroup::ScreenSelectGroup()
 		NotesType nt = GAMESTATE->GetCurrentStyleDef()->m_NotesType;
 		for( i=aAllSongs.GetSize()-1; i>=0; i-- )		// foreach Song, back to front
 		{
-			if( !aAllSongs[i]->SongHasNotesType(nt) )
+			if( aAllSongs[i]->SongHasNotesType(nt) && 
-				aAllSongs.RemoveAt( i );
+				aAllSongs[i]->NormallyDisplayed() )
+				continue;
+
+			aAllSongs.RemoveAt( i );
 		}
 	}
 

stepmania/src/Song.cpp

@@ -22,6 +22,7 @@
 #include "RageException.h"
 #include "SongCacheIndex.h"
 #include "GameManager.h"
+#include "PrefsManager.h"
 
 
 const int FILE_CACHE_VERSION = 64;	// increment this when Song or Notes changes to invalidate cache
@@ -107,6 +108,7 @@ Song::Song()
 	m_fMusicLengthSeconds = 0;
 	m_fFirstBeat = -1;
 	m_fLastBeat = -1;
+	m_SelectionDisplay = SHOW_ALWAYS;
 }
 
 Song::~Song()
@@ -853,6 +855,18 @@ bool Song::LoadFromSMFile( CString sPath )
 		else if( 0==stricmp(sValueName,"OFFSET") )
 			m_fBeat0OffsetInSeconds = (float)atof( sParams[1] );
 
+		else if( 0==stricmp(sValueName,"SELECTABLE") )
+		{
+			if(!stricmp(sParams[1],"YES"))
+				m_SelectionDisplay = SHOW_ALWAYS;
+			else if(!stricmp(sParams[1],"NO"))
+				m_SelectionDisplay = SHOW_NEVER;
+			else if(!stricmp(sParams[1],"ROULETTE"))
+				m_SelectionDisplay = SHOW_ROULETTE;
+			else
+				LOG->Warn( "The song file '%s' has an unknown #SELECTABLE value, \"%s\"; ignored.", sPath, sParams[1]);
+		}
+
 		else if( 0==stricmp(sValueName,"STOPS") || 0==stricmp(sValueName,"FREEZES") )
 		{
 			CStringArray arrayFreezeExpressions;
@@ -1299,6 +1313,17 @@ void Song::SaveToSMFile( CString sPath, bool bSavingCache )
 	fprintf( fp, "#OFFSET:%.2f;\n", m_fBeat0OffsetInSeconds );
 	fprintf( fp, "#SAMPLESTART:%.2f;\n", m_fMusicSampleStartSeconds );
 	fprintf( fp, "#SAMPLELENGTH:%.2f;\n", m_fMusicSampleLengthSeconds );
+	fprintf( fp, "#SELECTABLE:" );
+	switch(m_SelectionDisplay) {
+	default: ASSERT(0);  /* fallthrough */
+	case SHOW_ALWAYS:
+		fprintf( fp, "YES" ); break;
+	case SHOW_NEVER:
+		fprintf( fp, "NO" ); break;
+	case SHOW_ROULETTE:
+		fprintf( fp, "ROULETTE" ); break;
+	}
+	fprintf( fp, ";\n" );
 
 	fprintf( fp, "#BPMS:" );
 	for( i=0; i<m_BPMSegments.GetSize(); i++ )
@@ -1584,3 +1609,15 @@ void SortSongPointerArrayByMostPlayed( CArray<Song*, Song*> &arraySongPointers )
 {
 	qsort( arraySongPointers.GetData(), arraySongPointers.GetSize(), sizeof(Song*), CompareSongPointersByMostPlayed );
 }
+
+bool Song::NormallyDisplayed() const 
+{
+	if(!PREFSMAN->m_bHiddenSongs) return true;
+	return m_SelectionDisplay == SHOW_ALWAYS;
+}
+
+bool Song::RouletteDisplayed() const
+{
+	if(!PREFSMAN->m_bHiddenSongs) return true;
+	return m_SelectionDisplay != SHOW_NEVER;
+}

stepmania/src/song.h

@@ -44,6 +44,11 @@ struct BackgroundChange
 
 class Song
 {
+	/* Set when this song should be displayed in the music wheel: */
+	enum { SHOW_ALWAYS,		/* all the time */
+		   SHOW_ROULETTE,	/* only when rouletting */
+		   SHOW_NEVER }		/* never (unless song hiding is turned off) */
+		m_SelectionDisplay;
 public:
 	Song();
 	~Song();
@@ -184,6 +189,8 @@ public:
 	bool IsNew() const;
 	bool IsEasy( NotesType nt ) const;
 	Grade GetGradeForDifficultyClass( NotesType nt, DifficultyClass dc ) const;
+	bool NormallyDisplayed() const;
+	bool RouletteDisplayed() const;
 };