From 06046aed9c0bec5b70e26e4fa335fc5c44c3e20d Mon Sep 17 00:00:00 2001
From: Ray Greenwell <ray@threerings.net>
Date: Fri, 1 Dec 2006 02:24:27 +0000
Subject: [PATCH] DSet should be cloneable; ObjectUtil.copy() only works for
 registered Externalizables or built-in classes.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@4464 542714f4-19e9-0310-aa3c-eee0fc999fb1
---
 src/as/com/threerings/presents/data/ClientObject.as |  4 +---
 src/as/com/threerings/presents/dobj/DSet.as         | 13 ++++++++++++-
 2 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/src/as/com/threerings/presents/data/ClientObject.as b/src/as/com/threerings/presents/data/ClientObject.as
index 2826be672..7b2283e1e 100644
--- a/src/as/com/threerings/presents/data/ClientObject.as
+++ b/src/as/com/threerings/presents/data/ClientObject.as
@@ -21,8 +21,6 @@
 
 package com.threerings.presents.data {
 
-import mx.utils.ObjectUtil;
-
 import com.threerings.presents.dobj.DObject;
 import com.threerings.presents.dobj.DSet;
 import com.threerings.presents.dobj.DSet_Entry;
@@ -79,7 +77,7 @@ public class ClientObject extends DObject
     {
         requestAttributeChange(RECEIVERS, value, this.receivers);
         this.receivers = (value == null) ? null
-                                         : (ObjectUtil.copy(value) as DSet);
+                                         : (value.clone() as DSet);
     }
     // AUTO-GENERATED: METHODS END
 
diff --git a/src/as/com/threerings/presents/dobj/DSet.as b/src/as/com/threerings/presents/dobj/DSet.as
index 82ef413c9..6f575911c 100644
--- a/src/as/com/threerings/presents/dobj/DSet.as
+++ b/src/as/com/threerings/presents/dobj/DSet.as
@@ -3,6 +3,7 @@ package com.threerings.presents.dobj {
 import mx.utils.ObjectUtil;
 
 import com.threerings.util.ArrayIterator;
+import com.threerings.util.Cloneable;
 import com.threerings.util.Equalable;
 import com.threerings.util.Iterator;
 import com.threerings.util.StringBuilder;
@@ -32,7 +33,7 @@ import com.threerings.io.TypedArray;
  * a {@link Streamable} type.
  */
 public class DSet
-    implements Streamable
+    implements Cloneable, Streamable
 {
     /**
      * Returns the number of entries in this set.
@@ -189,6 +190,16 @@ public class DSet
         return null;
     }
 
+    // from interface Cloneable
+    public function clone () :Object
+    {
+        var other :DSet = new DSet();
+        for each (var val :DSet_Entry in _entries) {
+            other._entries.push(val);
+        }
+        return other;
+    }
+
     /**
      * Generates a string representation of this set instance.
      */