Added support for dispatching scene updates made to the currently occupied

scene.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@2649 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/whirled/data/Scene.java

@@ -1,5 +1,5 @@
 //
-// $Id: Scene.java,v 1.8 2003/02/12 07:23:31 mdb Exp $
+// $Id: Scene.java,v 1.9 2003/06/11 04:14:11 mdb Exp $
 
 package com.threerings.whirled.data;
 
@@ -50,6 +50,14 @@ public interface Scene
      */
     public void setVersion (int version);
 
+    /**
+     * Called to inform the scene that an update has been received while
+     * the scene was resolved and active. The update should be applied to
+     * the underlying scene model and any derivative data should be
+     * appropriately updated.
+     */
+    public void updateReceived (SceneUpdate update);
+
     /**
      * Returns the scene model from which this scene was created.
      */

src/java/com/threerings/whirled/data/SceneCodes.java

@@ -1,5 +1,5 @@
 //
-// $Id: SceneCodes.java,v 1.3 2002/08/14 19:07:57 mdb Exp $
+// $Id: SceneCodes.java,v 1.4 2003/06/11 04:14:11 mdb Exp $
 
 package com.threerings.whirled.data;
 
@@ -11,4 +11,6 @@ import com.threerings.whirled.client.SceneDirector;
  */
 public interface SceneCodes extends LocationCodes
 {
+    /** The message identifier for scene update messages. */
+    public static final String SCENE_UPDATE = "scene_update";
 }

src/java/com/threerings/whirled/data/SceneImpl.java

@@ -1,10 +1,11 @@
 //
-// $Id: SceneImpl.java,v 1.1 2003/02/12 07:23:31 mdb Exp $
+// $Id: SceneImpl.java,v 1.2 2003/06/11 04:14:11 mdb Exp $
 
 package com.threerings.whirled.data;
 
 import com.threerings.crowd.data.PlaceConfig;
-import com.threerings.whirled.data.SceneModel;
+
+import com.threerings.whirled.Log;
 
 /**
  * An implementation of the {@link Scene} interface.
@@ -72,6 +73,20 @@ public class SceneImpl implements Scene
         _model.version = version;
     }
 
+    // documentation inherited from interface
+    public void updateReceived (SceneUpdate update)
+    {
+        try {
+            // validate and apply the update
+            update.validate(_model);
+            update.apply(_model);
+        } catch (Exception e) {
+            Log.warning("Error applying update [scene=" + this +
+                        ", update=" + update + "].");
+            Log.logStackTrace(e);
+        }
+    }
+
     // documentation inherited from interface
     public SceneModel getSceneModel ()
     {