From d482fbe40c9a96cb163934a8c8093d4a50d8412e Mon Sep 17 00:00:00 2001
From: Glenn Maynard <gmaynard@users.sourceforge.net>
Date: Fri, 2 Apr 2004 04:28:40 +0000
Subject: [PATCH] fix assertion when GAMESTATE->m_fSongBeat < 0

---
 stepmania/src/LightsManager.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/stepmania/src/LightsManager.cpp b/stepmania/src/LightsManager.cpp
index cf3dece003..b474218a08 100644
--- a/stepmania/src/LightsManager.cpp
+++ b/stepmania/src/LightsManager.cpp
@@ -116,7 +116,8 @@ void LightsManager::Update( float fDeltaTime )
 				m_LightsState.m_bCabinetLights[cl] = false;
 
 			int iBeat = (int)(GAMESTATE->m_fSongBeat);
-			int iTopIndex = iBeat % 4;
+			int iTopIndex = iBeat;
+			wrap( iTopIndex, 4 );
 			switch( iTopIndex )
 			{
 			case 0:	m_LightsState.m_bCabinetLights[LIGHT_MARQUEE_UP_LEFT]  = true;	break;