From 45cea37eb1552fded97cca7d2a50c6becc2f4c72 Mon Sep 17 00:00:00 2001
From: Glenn Maynard <gmaynard@users.sourceforge.net>
Date: Tue, 16 Jan 2007 02:16:48 +0000
Subject: [PATCH] do nothing if no property

---
 stepmania/src/SoundEffectControl.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/stepmania/src/SoundEffectControl.cpp b/stepmania/src/SoundEffectControl.cpp
index c26c4e01f1..40d21fa6ba 100644
--- a/stepmania/src/SoundEffectControl.cpp
+++ b/stepmania/src/SoundEffectControl.cpp
@@ -35,6 +35,9 @@ void SoundEffectControl::SetSoundReader( RageSoundReader *pPlayer )
 
 void SoundEffectControl::Update( float fDeltaTime )
 {
+	if( SOUND_PROPERTY == "" )
+		return;
+
 	float fLevel = INPUTMAPPER->GetLevel( GAME_BUTTON_EFFECT_UP, m_pPlayerState->m_PlayerNumber );
 	fLevel -= INPUTMAPPER->GetLevel( GAME_BUTTON_EFFECT_DOWN, m_pPlayerState->m_PlayerNumber );
 	CLAMP( fLevel, -1.0f, +1.0f );