From de251f68347867211a627ffa1df5b12de891d694 Mon Sep 17 00:00:00 2001
From: Glenn Maynard <gmaynard@users.sourceforge.net>
Date: Mon, 29 Aug 2005 06:19:45 +0000
Subject: [PATCH] add DeepCopy

---
 stepmania/Themes/default/Scripts/Serialize.lua | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/stepmania/Themes/default/Scripts/Serialize.lua b/stepmania/Themes/default/Scripts/Serialize.lua
index e9796b5f08..df9c84d534 100644
--- a/stepmania/Themes/default/Scripts/Serialize.lua
+++ b/stepmania/Themes/default/Scripts/Serialize.lua
@@ -61,6 +61,19 @@ function Serialize(t)
 	return ret
 end
 
+-- Recursively deep-copy a table.
+function DeepCopy(t)
+	if type(t) ~= "table" then
+		return t
+	end
+
+	local ret = {}
+	for a,b in pairs(t) do
+		ret[a] = DeepCopy(b)
+	end
+	return ret
+end
+
 -- (c) 2005 Glenn Maynard
 -- All rights reserved.
 --