From 02f7b90a67b15f6044a0d28d5dae1903c613b109 Mon Sep 17 00:00:00 2001
From: Michael Bayne <mdb@threerings.net>
Date: Thu, 31 Jan 2002 01:04:54 +0000
Subject: [PATCH] Avoid some extra array allocation and fiddling if we've got
 zero or one items in our dirty item list. No need for sorting and copying in
 such cases.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@899 542714f4-19e9-0310-aa3c-eee0fc999fb1
---
 src/java/com/threerings/miso/client/DirtyItemList.java | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/java/com/threerings/miso/client/DirtyItemList.java b/src/java/com/threerings/miso/client/DirtyItemList.java
index 23b1c47a5..abc8bb6dd 100644
--- a/src/java/com/threerings/miso/client/DirtyItemList.java
+++ b/src/java/com/threerings/miso/client/DirtyItemList.java
@@ -1,5 +1,5 @@
 //
-// $Id: DirtyItemList.java,v 1.8 2001/12/16 06:10:33 shaper Exp $
+// $Id: DirtyItemList.java,v 1.9 2002/01/31 01:04:54 mdb Exp $
 
 package com.threerings.miso.scene;
 
@@ -68,6 +68,10 @@ public class DirtyItemList
         // get items sorted by increasing origin x-coordinate
         DirtyItem[] xitems = new DirtyItem[size];
         _items.toArray(xitems);
+        // if we've only got one item, bail out now
+        if (xitems.length < 2) {
+            return xitems;
+        }
         Arrays.sort(xitems, ORIGIN_X_COMP);
 
         if (DEBUG_SORT) {