From 8df4f7929a20670d7c3e359c051e959b406b14dc Mon Sep 17 00:00:00 2001
From: Glenn Maynard <gmaynard@users.sourceforge.net>
Date: Fri, 29 Apr 2005 01:56:38 +0000
Subject: [PATCH] add NoteDataUtil::AnyTapsAndHoldsInTrackRange

---
 stepmania/src/NoteDataUtil.cpp | 18 ++++++++++++++++++
 stepmania/src/NoteDataUtil.h   |  1 +
 2 files changed, 19 insertions(+)

diff --git a/stepmania/src/NoteDataUtil.cpp b/stepmania/src/NoteDataUtil.cpp
index a4cd7a8fd7..53870677c9 100644
--- a/stepmania/src/NoteDataUtil.cpp
+++ b/stepmania/src/NoteDataUtil.cpp
@@ -1900,6 +1900,24 @@ int NoteDataUtil::GetNumUsedTracks( const NoteData& in )
 	return in.GetNumTracks();
 }
 
+bool NoteDataUtil::AnyTapsAndHoldsInTrackRange( const NoteData& in, int iTrack, int iStart, int iEnd )
+{
+	if( iStart >= iEnd )
+		return false;
+
+	// for each index we crossed since the last update:
+	FOREACH_NONEMPTY_ROW_IN_TRACK_RANGE( in, iTrack, r, iStart, iEnd )
+	{
+		if( in.GetTapNote( iTrack, r ).type != TapNote::empty )
+			return true;
+	}
+
+	if( in.IsHoldNoteAtBeat( iTrack, iEnd ) )
+		return true;
+
+	return false;
+}
+
 
 /*
  * (c) 2001-2004 Chris Danford, Glenn Maynard
diff --git a/stepmania/src/NoteDataUtil.h b/stepmania/src/NoteDataUtil.h
index f3ce315eb0..2f95a770b6 100644
--- a/stepmania/src/NoteDataUtil.h
+++ b/stepmania/src/NoteDataUtil.h
@@ -107,6 +107,7 @@ namespace NoteDataUtil
 	void RemoveAllTapsExceptForType( NoteData& ndInOut, TapNote::Type typeToKeep );
 
 	int GetNumUsedTracks( const NoteData& in );
+	bool AnyTapsAndHoldsInTrackRange( const NoteData& in, int iTrack, int iStart, int iEnd );
 };
 
 #endif