From 65beab68261a1eb8ae2e9d69d5d432fde159d46f Mon Sep 17 00:00:00 2001
From: Glenn Maynard <gmaynard@users.sourceforge.net>
Date: Mon, 15 Aug 2005 15:44:29 +0000
Subject: [PATCH] short circuit on already prepared

---
 stepmania/src/ScreenManager.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/stepmania/src/ScreenManager.cpp b/stepmania/src/ScreenManager.cpp
index 75a7a59cab..427d9f7ed0 100644
--- a/stepmania/src/ScreenManager.cpp
+++ b/stepmania/src/ScreenManager.cpp
@@ -559,6 +559,13 @@ void ScreenManager::RunConcurrentlyPrepareScreen()
 	ScreenMessage SM = m_OnDonePreparingScreen;
 	m_OnDonePreparingScreen = SM_None;
 
+	/* If the screen is already prepared, we're all set. */
+	if( ScreenIsPrepped(sScreenName) )
+	{
+		SendMessageToTopScreen( SM );
+		return;
+	}
+
 	g_bIsConcurrentlyLoading = true;
 	StartConcurrentRendering();