Checkpoint checkin for new model exporting/loading/animating code.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@4013 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/jme/model/ModelSpatial.java

@@ -0,0 +1,51 @@
+//
+// $Id$
+//
+// Narya library - tools for developing networked games
+// Copyright (C) 2002-2005 Three Rings Design, Inc., All Rights Reserved
+// http://www.threerings.net/code/narya/
+//
+// This library is free software; you can redistribute it and/or modify it
+// under the terms of the GNU Lesser General Public License as published
+// by the Free Software Foundation; either version 2.1 of the License, or
+// (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+package com.threerings.jme.model;
+
+import java.io.Externalizable;
+import java.io.IOException;
+
+import java.nio.MappedByteBuffer;
+import java.nio.channels.FileChannel;
+
+/**
+ * Contains method common to both {@link ModelNode}s and {@link ModelMesh}es.
+ */
+public interface ModelSpatial
+{
+    /**
+     * Recursively writes any data buffers to the output channel.
+     */    
+    public void writeBuffers (FileChannel out)
+        throws IOException;
+    
+    /**
+     * Recursively reads any data buffers from the input channel.
+     */
+    public void readBuffers (FileChannel in)
+        throws IOException;
+    
+    /**
+     * Recursively slices any data buffers from the buffer map.
+     */
+    public void sliceBuffers (MappedByteBuffer map);
+}