More progress toward arbitrarily scrollable scenes. The IsoSceneView still

requests all objects in God's green earth, but we now have the necessary
structures for it to request new objects as they scroll (nearly) into view
and for it to abandon objects as they scroll (way) out of view.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@1742 542714f4-19e9-0310-aa3c-eee0fc999fb1

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

@@ -1,13 +1,14 @@
 //
-// $Id: DisplayMisoScene.java,v 1.6 2002/09/18 02:32:57 mdb Exp $
+// $Id: DisplayMisoScene.java,v 1.7 2002/09/23 21:54:50 mdb Exp $
 
 package com.threerings.miso.scene;
 
-import java.awt.Point;
-import java.util.Iterator;
+import java.awt.Rectangle;
 
 import com.threerings.media.tile.ObjectTile;
 import com.threerings.media.tile.Tile;
+
+import com.threerings.miso.scene.util.ObjectSet;
 import com.threerings.miso.tile.BaseTile;
 
 /**
@@ -29,29 +30,8 @@ public interface DisplayMisoScene
     public Tile getFringeTile (int x, int y);
 
     /**
-     * Returns the number of object tiles in the scene.
+     * Populates the supplied scene object set with all objects whose
+     * origin falls in the requested region.
      */
-    public int getObjectCount ();
-
-    /**
-     * Returns the object tile with the specified index.
-     */
-    public ObjectTile getObjectTile (int index);
-
-    /**
-     * Returns the tile coordinates for the specified object tile.
-     *
-     * @param index the index of the object tile for which coordinates are
-     * desired.
-     */
-    public Point getObjectCoords (int index);
-
-    /**
-     * Returns the action associated with the specified object tile. Null
-     * is returned if the object tile does not have an associated action.
-     *
-     * @param index the index of the object for which the action is
-     * desired.
-     */
-    public String getObjectAction (int index);
+    public void getSceneObjects (Rectangle region, ObjectSet set);
 }