Mimic TrimmedObjectTileSet's functionality.

git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@972 ed5b42cb-e716-0410-a449-f6a68f950b19

src/java/com/threerings/media/tile/ObjectTileSet.java

@@ -193,6 +193,22 @@ public class ObjectTileSet extends SwissArmyTileSet
         return _zations;
     }
 
+    /**
+     * Returns the base width for the specified object index.
+     */
+    public int getBaseWidth (int tileIdx)
+    {
+        return _owidths[tileIdx];
+    }
+
+    /**
+     * Returns the base height for the specified object index.
+     */
+    public int getBaseHeight (int tileIdx)
+    {
+        return _oheights[tileIdx];
+    }
+
     @Override
     protected void toString (StringBuilder buf)
     {