From 9d30bde4c6d26753b79ef419b1c5f7e402162626 Mon Sep 17 00:00:00 2001
From: Chris Danford <chrisdanford@users.sourceforge.net>
Date: Thu, 2 Jun 2005 20:06:26 +0000
Subject: [PATCH] fix AV if enable debug lights after starting gameplay with
 them disabled

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

diff --git a/stepmania/src/ScreenGameplay.cpp b/stepmania/src/ScreenGameplay.cpp
index 941081b3b3..eafd2f94dd 100644
--- a/stepmania/src/ScreenGameplay.cpp
+++ b/stepmania/src/ScreenGameplay.cpp
@@ -1623,6 +1623,8 @@ void ScreenGameplay::UpdateLights()
 {
 	if( !LIGHTSMAN->IsEnabled() )
 		return;
+	if( m_CabinetLightsNoteData.GetNumTracks() == 0 )	// light data wasn't loaded
+		return;
 
 	const Style* pStyle = GAMESTATE->GetCurrentStyle();
 	bool bBlinkCabinetLight[NUM_CABINET_LIGHTS];