fix radar values don't get recalculated after changing steps in editor

fix radar values shown for edits if copied from official steps

stepmania/src/ScreenEdit.cpp

@@ -1812,10 +1812,12 @@ void ScreenEdit::HandleMainMenuChoice( MainMenuChoice c, const vector<int> &iAns
 				m_CurrentAction = c;
 
 				// copy edit into current Steps
+				Song* pSong = GAMESTATE->m_pCurSong;
 				Steps* pSteps = GAMESTATE->m_pCurSteps[PLAYER_1];
 				ASSERT( pSteps );
 
 				pSteps->SetNoteData( m_NoteDataEdit );
+				pSteps->CalculateRadarValues( pSong->m_fMusicLengthSeconds );
 
 				if( HOME_EDIT_MODE )
 				{

stepmania/src/Song.cpp

@@ -786,7 +786,13 @@ void Song::ReCalculateRadarValuesAndLastBeat()
 	{
 		Steps* pSteps = m_vpSteps[i];
 
-		/* If it's autogen, radar vals and first/last beat will come from the parent. */
+		pSteps->CalculateRadarValues( m_fMusicLengthSeconds );
+
+		//
+		// calculate lastBeat
+		//
+
+		/* If it's autogen, then first/last beat will come from the parent. */
 		if( pSteps->IsAutogen() )
 			continue;
 
@@ -795,28 +801,19 @@ void Song::ReCalculateRadarValuesAndLastBeat()
 		if( pSteps->IsAnEdit() )
 			continue;
 		
+		// Don't set first/last beat based on lights.  They often start very 
+		// early and end very late.
+		if( pSteps->m_StepsType == STEPS_TYPE_LIGHTS_CABINET )
+			continue;
 
-		//
-		// calculate radar values
-		//
 		NoteData tempNoteData;
 		pSteps->GetNoteData( tempNoteData );
 
-		RadarValues v;
-		NoteDataUtil::GetRadarValues( tempNoteData, m_fMusicLengthSeconds, v );
-		pSteps->SetRadarValues( v );
-
-
 		/* Many songs have stray, empty song patterns.  Ignore them, so
 		 * they don't force the first beat of the whole song to 0. */
 		if( tempNoteData.GetLastRow() == 0 )
 			continue;
 
-		// Don't set first/last beat based on lights.  They often start very 
-		// early and end very late.
-		if( pSteps->m_StepsType == STEPS_TYPE_LIGHTS_CABINET )
-			continue;
-
 		fFirstBeat = min( fFirstBeat, tempNoteData.GetFirstBeat() );
 		fLastBeat = max( fLastBeat, tempNoteData.GetLastBeat() );
 	}

stepmania/src/Steps.cpp

@@ -151,6 +151,23 @@ void Steps::TidyUpData()
 		SetMeter( int(PredictMeter()) );
 }
 
+void Steps::CalculateRadarValues( float fMusicLengthSeconds )
+{
+	m_RadarValues = RadarValues();
+	
+	// If we're autogen, don't calculate values.  GetRadarValues will take from our parent.
+	if( parent != NULL )
+		return;
+
+	// If we're an edit, leave the RadarValues invalid.
+	if( IsAnEdit() )
+		return;
+
+	NoteData tempNoteData;
+	this->GetNoteData( tempNoteData );
+	NoteDataUtil::GetRadarValues( tempNoteData, fMusicLengthSeconds, m_RadarValues );
+}
+
 void Steps::Decompress() const
 {
 	if( m_bNoteDataIsFilled )
@@ -266,7 +283,7 @@ void Steps::AutogenFrom( const Steps *parent_, StepsType ntTo )
 	m_StepsType = ntTo;
 }
 
-void Steps::CopyFrom( Steps* pSource, StepsType ntTo )	// pSource does not have to be of the same StepsType!
+void Steps::CopyFrom( Steps* pSource, StepsType ntTo, float fMusicLengthSeconds )	// pSource does not have to be of the same StepsType
 {
 	m_StepsType = ntTo;
 	NoteData noteData;
@@ -276,7 +293,7 @@ void Steps::CopyFrom( Steps* pSource, StepsType ntTo )	// pSource does not have
 	this->SetDescription( pSource->GetDescription() );
 	this->SetDifficulty( pSource->GetDifficulty() );
 	this->SetMeter( pSource->GetMeter() );
-	this->SetRadarValues( pSource->GetRadarValues() );
+	this->CalculateRadarValues( fMusicLengthSeconds );
 }
 
 void Steps::CreateBlank( StepsType ntTo )

stepmania/src/Steps.h

@@ -22,7 +22,7 @@ public:
 
 	// initializers
 	void AutogenFrom( const Steps *parent, StepsType ntTo );
-	void CopyFrom( Steps* pSource, StepsType ntTo );
+	void CopyFrom( Steps* pSource, StepsType ntTo, float fMusicLengthSeconds );
 	void CreateBlank( StepsType ntTo );
 
 	void Compress() const;
@@ -61,6 +61,7 @@ public:
 	void		GetSMNoteData( CString &notes_comp_out ) const;
 
 	void TidyUpData();
+	void CalculateRadarValues( float fMusicLengthSeconds );
 	
 	// Lua
 	void PushSelf( lua_State *L );