BackwardCompatible -> DwiCompatible for clarity

stepmania/src/Difficulty.cpp

@@ -15,6 +15,7 @@ static const char *DifficultyNames[] = {
 	"Edit",
 };
 XToString( Difficulty );
+StringToX( Difficulty );
 LuaXType( Difficulty );
 
 static const char *DifficultyDisplayTypeNames[] = {
@@ -42,7 +43,7 @@ LuaFunction( DifficultyDisplayTypeToLocalizedString, DifficultyDisplayTypeToLoca
 /* TODO: Format specific hacks should be moved into the file loader for 
  * that format.  We don't want to carry these hacks forward to file
  * formats that don't need them. */
-Difficulty BackwardCompatibleStringToDifficulty( const RString& sDC )
+Difficulty DwiCompatibleStringToDifficulty( const RString& sDC )
 {
 	RString s2 = sDC;
 	s2.MakeLower();

stepmania/src/Difficulty.h

@@ -22,7 +22,7 @@ const RString& DifficultyToString( Difficulty dc );
 Difficulty StringToDifficulty( const RString& sDC );
 LuaDeclareType( Difficulty );
 
-Difficulty BackwardCompatibleStringToDifficulty( const RString& sDC );
+Difficulty DwiCompatibleStringToDifficulty( const RString& sDC );
 
 typedef Difficulty CourseDifficulty;
 const int NUM_CourseDifficulty = NUM_Difficulty;

stepmania/src/NotesLoaderDWI.cpp

@@ -173,7 +173,7 @@ static bool LoadFromDWITokens(
 	int iNumFeet = atoi(sNumFeet);
 	// out.SetDescription(sDescription); // Don't put garbage in the description.
 	out.SetMeter(iNumFeet);
-	out.SetDifficulty( BackwardCompatibleStringToDifficulty(sDescription) );
+	out.SetDifficulty( DwiCompatibleStringToDifficulty(sDescription) );
 
 	NoteData newNoteData;
 	newNoteData.SetNumTracks( g_mapDanceNoteToNoteDataColumn.size() );

stepmania/src/NotesLoaderSM.cpp

@@ -34,7 +34,7 @@ static void LoadFromSMTokens(
 
 	out.m_StepsType = GameManager::StringToStepsType( sStepsType );
 	out.SetDescription( sDescription );
-	out.SetDifficulty( BackwardCompatibleStringToDifficulty(sDifficulty) );
+	out.SetDifficulty( DwiCompatibleStringToDifficulty(sDifficulty) );
 
 	// HACK:  We used to store SMANIAC as Difficulty_Hard with special description.
 	// Now, it has its own Difficulty_Challenge

stepmania/src/TrailUtil.cpp

@@ -59,7 +59,7 @@ void TrailID::LoadFromNode( const XNode* pNode )
 	st = GameManager::StringToStepsType( sTemp );
 
 	pNode->GetAttrValue( "CourseDifficulty", sTemp );
-	cd = BackwardCompatibleStringToDifficulty( sTemp );
+	cd = StringToDifficulty( sTemp );
 	m_Cache.Unset();
 }