Added object offsets to exporters, converted tabs to spaces, added

method to get model nodes anywhere in the hierarchy by name, update 
model bounds in SkinMesh after deforming mesh.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@4038 542714f4-19e9-0310-aa3c-eee0fc999fb1

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

@@ -64,6 +64,26 @@ public class ModelNode extends Node
         super(name);
     }
     
+    /**
+     * Recursively searches the scene graph rooted at this node for a
+     * node with the provided name.
+     */
+    public Spatial getDescendant (String name)
+    {
+        for (int ii = 0, nn = getQuantity(); ii < nn; ii++) {
+            Spatial child = getChild(ii);
+            if (child.getName().equals(name)) {
+                return child;
+            } else if (child instanceof ModelNode) {
+                child = ((ModelNode)child).getDescendant(name);
+                if (child != null) {
+                    return child;
+                }
+            }
+        }
+        return null;
+    }
+    
     /**
      * Returns a reference to the model space transform of the node.
      */

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

@@ -269,6 +269,7 @@ public class SkinMesh extends ModelMesh
                 BufferUtils.setInBuffer(_normal, nbuf, idx);
             }
         }
+        updateModelBound();
     }
     
     /** The groups of vertices influenced by different sets of bones. */