vectorize NoteDisplayCols

stepmania/src/NoteField.cpp

@@ -52,7 +52,7 @@ void NoteField::CacheNoteSkin( CString skin )
 		return;
 
 	LOG->Trace("NoteField::CacheNoteSkin: cache %s", skin.c_str() );
-	NoteDisplayCols *nd = new NoteDisplayCols;
+	NoteDisplayCols *nd = new NoteDisplayCols( GetNumTracks() );
 	for( int c=0; c<GetNumTracks(); c++ ) 
 		nd->display[c].Load( c, m_PlayerNumber, skin, m_fYReverseOffsetPixels );
 	nd->m_ReceptorArrowRow.Load( m_PlayerNumber, skin, m_fYReverseOffsetPixels );

stepmania/src/NoteField.h

@@ -64,9 +64,11 @@ protected:
 	// color arrows
 	struct NoteDisplayCols
 	{
-		NoteDisplay		display[MAX_NOTE_TRACKS];
+		NoteDisplay		*display;
 		ReceptorArrowRow	m_ReceptorArrowRow;
 		GhostArrowRow	m_GhostArrowRow;
+		NoteDisplayCols( int iNumCols ) { display = new NoteDisplay[iNumCols]; }
+		~NoteDisplayCols() { delete [] display; }
 	};
 
 	/* All loaded note displays, mapped by their name. */