Unmap our scene manager when its associated place is destroyed.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@540 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/whirled/server/SceneRegistry.java

@@ -1,5 +1,5 @@
 //
-// $Id: SceneRegistry.java,v 1.6 2001/10/22 23:55:39 mdb Exp $
+// $Id: SceneRegistry.java,v 1.7 2001/10/24 00:38:54 mdb Exp $
 
 package com.threerings.whirled.server;
 
@@ -10,6 +10,7 @@ import com.samskivert.util.HashIntMap;
 import com.threerings.presents.util.Invoker;
 
 import com.threerings.crowd.server.CrowdServer;
+import com.threerings.crowd.server.PlaceManager;
 
 import com.threerings.whirled.Log;
 import com.threerings.whirled.data.Scene;
@@ -220,6 +221,21 @@ public class SceneRegistry
         }
     }
 
+    /**
+     * Called when a place is destroyed. We clean up our extra scene
+     * information here.
+     */
+    protected void placeWasDestroyed (PlaceManager pmgr)
+    {
+        super.placeWasDestroyed(pmgr);
+
+        // if this is a scene manager, remove it from our scene table
+        if (pmgr instanceof SceneManager) {
+            SceneManager scmgr = (SceneManager)pmgr;
+            _scenemgrs.remove(scmgr.getScene().getId());
+        }
+    }
+
     protected SceneRepository _screp;
     protected Invoker _invoker;