Added facility for toggling whether object footprints are to be shown.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@1469 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/miso/client/IsoSceneViewModel.java

@@ -1,5 +1,5 @@
 //
-// $Id: IsoSceneViewModel.java,v 1.24 2002/05/17 19:06:23 ray Exp $
+// $Id: IsoSceneViewModel.java,v 1.25 2002/06/17 18:01:47 shaper Exp $
 
 package com.threerings.miso.scene;
 
@@ -206,6 +206,15 @@ public class IsoSceneViewModel
         notifyListeners(IsoSceneViewModelListener.SHOW_COORDINATES_CHANGED);
     }
 
+    /**
+     * Toggle whether footprints should be drawn for each object tile.
+     */
+    public void toggleShowFootprints ()
+    {
+	showFootprints = !showFootprints;
+        notifyListeners(IsoSceneViewModelListener.SHOW_FOOTPRINTS_CHANGED);
+    }
+
     /**
      * Pre-calculate various member data that are commonly used in working
      * with an isometric view.

src/java/com/threerings/miso/client/IsoSceneViewModelListener.java

@@ -1,5 +1,5 @@
 //
-// $Id: IsoSceneViewModelListener.java,v 1.3 2001/11/18 04:09:22 mdb Exp $
+// $Id: IsoSceneViewModelListener.java,v 1.4 2002/06/17 18:01:47 shaper Exp $
 
 package com.threerings.miso.scene;
 
@@ -16,6 +16,10 @@ public interface IsoSceneViewModelListener
      * configuration has changed.. */
     public static final int SHOW_COORDINATES_CHANGED = 0;
 
+    /** Notification event constant indicating that the "show footprints"
+     * configuration has changed.. */
+    public static final int SHOW_FOOTPRINTS_CHANGED = 1;
+
     /**
      * Called by the {@link com.threerings.miso.scene.IsoSceneView} when
      * the model is changed.