From 5fa980a7a3b92c8689f793cc5c7b7d7086f8f7c7 Mon Sep 17 00:00:00 2001
From: Glenn Maynard <gmaynard@users.sourceforge.net>
Date: Thu, 15 Feb 2007 11:22:25 +0000
Subject: [PATCH] fix assertion.  PushAttrValue always pushes something; if no
 value, then it pushes nil (like lua_gettable)

---
 stepmania/src/ActorScroller.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/stepmania/src/ActorScroller.cpp b/stepmania/src/ActorScroller.cpp
index 351643ed67..f7c599dcb0 100644
--- a/stepmania/src/ActorScroller.cpp
+++ b/stepmania/src/ActorScroller.cpp
@@ -126,11 +126,12 @@ void ActorScroller::LoadFromNode( const XNode *pNode )
 		ActorScroller::SetSecondsPerItem( fSecondsPerItem );
 
 	Lua *L = LUA->Get();
-	if( pNode->PushAttrValue(L, "TransformFunction") )
+	pNode->PushAttrValue( L, "TransformFunction" );
 	{
 		LuaReference ref;
 		ref.SetFromStack( L );
-		SetTransformFromReference( ref );
+		if( !ref.IsNil() )
+			SetTransformFromReference( ref );
 	}
 	LUA->Release( L );