Fix incorrect animation when dynamically switching from SW anim -> HW anim

jme3-core/src/main/java/com/jme3/scene/Mesh.java

@@ -388,7 +388,7 @@ public class Mesh implements Savable, Cloneable {
                 tangents.setUsage(Usage.Stream);
             }
         } else {
-            //if HWBoneIndex and HWBoneWieght are empty, we setup them as direct
+            //if HWBoneIndex and HWBoneWeight are empty, we setup them as direct
             //buffers with software anim buffers data 
             VertexBuffer indicesHW = getBuffer(Type.HWBoneIndex);
             if (indicesHW.getData() == null) {
@@ -414,12 +414,25 @@ public class Mesh implements Savable, Cloneable {
             VertexBuffer positions = getBuffer(Type.Position);
             VertexBuffer normals = getBuffer(Type.Normal);
             VertexBuffer tangents = getBuffer(Type.Tangent);
+            
+            VertexBuffer positionsBP = getBuffer(Type.BindPosePosition);
+            VertexBuffer normalsBP = getBuffer(Type.BindPoseNormal);
+            VertexBuffer tangentsBP = getBuffer(Type.BindPoseTangent);
+            
             positions.setUsage(Usage.Static);
+            positionsBP.copyElements(0, positions, 0, positionsBP.getNumElements());
+            positions.setUpdateNeeded();
+            
             if (normals != null) {
                 normals.setUsage(Usage.Static);
+                normalsBP.copyElements(0, normals, 0, normalsBP.getNumElements());
+                normals.setUpdateNeeded();
             }
+            
             if (tangents != null) {
                 tangents.setUsage(Usage.Static);
+                tangentsBP.copyElements(0, tangents, 0, tangentsBP.getNumElements());
+                tangents.setUpdateNeeded();
             }
         }
     }