From 1c63287f452ea81df89b212baac24004f44e712a Mon Sep 17 00:00:00 2001
From: Chris Danford <chrisdanford@users.sourceforge.net>
Date: Sat, 16 Apr 2005 04:50:56 +0000
Subject: [PATCH] fix AV in demonstration

---
 stepmania/src/Transition.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/stepmania/src/Transition.cpp b/stepmania/src/Transition.cpp
index 088d740f38..4705544a55 100644
--- a/stepmania/src/Transition.cpp
+++ b/stepmania/src/Transition.cpp
@@ -103,6 +103,12 @@ void Transition::StartTransitioning( ScreenMessage send_when_done )
 {
 	if( m_State != waiting )
 		return;	// ignore
+	
+	// If transition isn't loaded don't set state to transitioning.
+	// We assume elsewhere that m_sprTransition is loaded.
+	if( !m_sprTransition.IsLoaded() )
+		return;
+	
 	m_sprTransition->PlayCommand( "StartTransitioning" );
 
 	m_MessageToSendWhenDone = send_when_done;