More progress.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@3849 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/as/com/threerings/util/StreamableArrayList.as

@@ -0,0 +1,30 @@
+package com.threerings.util {
+
+import mx.collections.ArrayCollection;
+
+import com.threerings.io.ObjectInputStream;
+import com.threerings.io.ObjectOutputStream;
+import com.threerings.io.Streamable;
+
+public class StreamableArrayList extends ArrayCollection
+    implements Streamable
+{
+    // documentation inherited from interface Streamable
+    public function writeObject (out :ObjectOutputStream) :void
+    {
+        out.writeInt(source.length);
+        for (var ii :int = 0; ii < source.length; ii++) {
+            out.writeObject(source[ii]);
+        }
+    }
+
+    // documentation inherited from interface Streamable
+    public function readObject (ins :ObjectInputStream) :void
+    {
+        var ecount :int = ins.readInt();
+        for (var ii :int = 0; ii < ecount; ii++) {
+            source[ii] = ins.readObject();
+        }
+    }
+}
+}