Allow customizing the ZoneMoveHandler.

git-svn-id: svn+ssh://src.earth.threerings.net/vilya/trunk@881 c613c5cb-e716-0410-b11b-feb51c14d237

src/java/com/threerings/whirled/zone/server/ZoneMoveHandler.java

@@ -68,7 +68,7 @@ public class ZoneMoveHandler extends AbstractSceneMoveHandler
         _summary = summary;
 
         // now resolve the target scene
-        _screg.resolveScene(_sceneId, this);
+        resolveScene();
     }
 
     // from interface ZoneManager.ResolutionListener
@@ -112,6 +112,14 @@ public class ZoneMoveHandler extends AbstractSceneMoveHandler
         _zmgr.bodyDidEnterZone(_body, _summary.zoneId);
     }
 
+    /**
+     * Begins the process of resolving the target scene.
+     */
+    protected void resolveScene ()
+    {
+        _screg.resolveScene(_sceneId, this);
+    }
+
     protected ZoneManager _zmgr;
     protected SceneRegistry _screg;
     protected int _sceneId, _version;

src/java/com/threerings/whirled/zone/server/ZoneRegistry.java

@@ -171,8 +171,18 @@ public class ZoneRegistry
         }
 
         // resolve the zone and move the user
-        zmgr.resolveZone(zoneId, new ZoneMoveHandler(_locman, zmgr, _screg, (BodyObject)caller,
+        zmgr.resolveZone(zoneId, createZoneMoveHandler(
-                                                     sceneId, sceneVer, listener));
+            zmgr, (BodyObject)caller, sceneId, sceneVer, listener));
+    }
+
+    /**
+     * Creates a handler to handle the described zone movement.
+     */
+    protected ZoneMoveHandler createZoneMoveHandler (
+        ZoneManager zmgr, BodyObject body, int sceneId, int sceneVer,
+        ZoneService.ZoneMoveListener listener)
+    {
+        return new ZoneMoveHandler(_locman, zmgr, _screg, body, sceneId, sceneVer, listener);
     }
 
     /** A table of zone managers. */