diff --git a/src/java/com/threerings/miso/server/RuntimeMisoScene.java b/src/java/com/threerings/miso/server/RuntimeMisoScene.java
index 8b04fb01c..35a2ce2b6 100644
--- a/src/java/com/threerings/miso/server/RuntimeMisoScene.java
+++ b/src/java/com/threerings/miso/server/RuntimeMisoScene.java
@@ -1,5 +1,5 @@
 //
-// $Id: RuntimeMisoScene.java,v 1.2 2003/01/31 23:10:45 mdb Exp $
+// $Id: RuntimeMisoScene.java,v 1.3 2003/02/04 17:24:56 mdb Exp $
 
 package com.threerings.miso.server;
 
@@ -17,4 +17,10 @@ public interface RuntimeMisoScene
      * "interesting" objects in the scene.
      */
     public Iterator enumerateObjects ();
+
+    /**
+     * Adds the supplied object to this scene and immediately updates the
+     * underlying scene model.
+     */
+    public void addObject (ObjectInfo info);
 }
diff --git a/src/java/com/threerings/miso/server/RuntimeMisoSceneImpl.java b/src/java/com/threerings/miso/server/RuntimeMisoSceneImpl.java
index ba94aa3fc..912bc7b73 100644
--- a/src/java/com/threerings/miso/server/RuntimeMisoSceneImpl.java
+++ b/src/java/com/threerings/miso/server/RuntimeMisoSceneImpl.java
@@ -1,5 +1,5 @@
 //
-// $Id: RuntimeMisoSceneImpl.java,v 1.2 2003/01/31 23:10:45 mdb Exp $
+// $Id: RuntimeMisoSceneImpl.java,v 1.3 2003/02/04 17:24:56 mdb Exp $
 
 package com.threerings.miso.server;
 
@@ -34,6 +34,23 @@ public class RuntimeMisoSceneImpl
         return _objects.iterator();
     }
 
+    // documentation inherited from interface
+    public void addObject (ObjectInfo info)
+    {
+        // slap it on our list
+        _objects.add(info);
+
+        // slip it into the interesting array
+        int ocount = _model.objectInfo.length;
+        ObjectInfo[] objectInfo = new ObjectInfo[ocount+1];
+        System.arraycopy(_model.objectInfo, 0, objectInfo, 0, ocount);
+        objectInfo[ocount] = info;
+        _model.objectInfo = objectInfo;
+    }
+
+    /** Our scene model. */
+    protected MisoSceneModel _model;
+
     /** The object info records. */
     protected ArrayList _objects = new ArrayList();
 }