[warps] Fix IsWarpAtRow.

src/Player.cpp

@@ -2587,8 +2587,7 @@ void Player::UpdateJudgedRows()
 			int iRow = iter.Row();
 
 			// if row is within a warp section, ignore it. -aj
-			if( iRow >= GAMESTATE->m_iWarpBeginRow &&
-				iRow < BeatToNoteRow(GAMESTATE->m_fWarpDestination) )
+			if( GAMESTATE->m_pCurSong->m_Timing.IsWarpAtRow(iRow) )
 				continue;
 
 			if( iLastSeenRow != iRow )

src/TimingData.cpp

@@ -343,14 +343,12 @@ int TimingData::GetWarpSegmentIndexAtRow( int iNoteRow ) const
 
 bool TimingData::IsWarpAtRow( int iNoteRow ) const
 {
-	unsigned i;
-	for( i=0; i<m_WarpSegments.size(); i++ )
-	{
-		const WarpSegment& s = m_WarpSegments[i];
-		if( s.m_iStartRow >= iNoteRow )
-			return iNoteRow < BeatToNoteRow(m_WarpSegments[i].m_fEndBeat);
-	}
-	return false;
+	if( m_WarpSegments.empty() )
+		return false;
+	
+	int i = GetWarpSegmentIndexAtRow( iNoteRow );
+	const WarpSegment& s = m_WarpSegments[i];
+	return s.m_iStartRow <= iNoteRow && iNoteRow < BeatToNoteRow(s.m_fEndBeat);
 }
 
 int TimingData::GetTimeSignatureSegmentIndexAtRow( int iRow ) const