* Blender loader will now extract vertex data into separate vertex buffers for meshes that use multiple materials instead of sharing them

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@9007 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/blender/com/jme3/scene/plugins/blender/meshes/MeshHelper.java

@@ -403,6 +403,15 @@ public class MeshHelper extends AbstractBlenderHelper {
             }
         }
         
+        // if there are multiple materials used, extract the shared
+        // vertex data
+        if (geometries.size() > 1){
+            // extract from itself
+            for (Geometry geom : geometries){
+                geom.getMesh().extractVertexData(geom.getMesh());
+            }
+        }
+
         blenderContext.addLoadedFeatures(structure.getOldMemoryAddress(), structure.getName(), structure, geometries);
         blenderContext.setMeshContext(structure.getOldMemoryAddress(), meshContext);
         return geometries;