Used IndexBuffer instead of the ByteShortIntBufferReader and removed the class

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

@@ -1447,7 +1447,7 @@ public class Mesh implements Savable, Cloneable, JmeCloneable {
             return false; // no bone animation data
         }
 
-        BufferUtils.ByteShortIntBufferReader boneIndexBuffer = new BufferUtils.ByteShortIntBufferReader(biBuf.getData());
+        IndexBuffer boneIndexBuffer = IndexBuffer.wrapIndexBuffer(biBuf.getData());
         boneIndexBuffer.rewind();
         int numBoneIndices = boneIndexBuffer.remaining();
         assert numBoneIndices % 4 == 0 : numBoneIndices;

jme3-core/src/main/java/com/jme3/scene/mesh/IndexBuffer.java

@@ -75,7 +75,29 @@ public abstract class IndexBuffer {
             return new IndexShortBuffer(BufferUtils.createShortBuffer(indexCount));
         }
     }
-    
+
+    /**
+     * @see Buffer#rewind()
+     */
+    public void rewind() {
+        getBuffer().rewind();
+    }
+
+    /**
+     * @return
+     * @see Buffer#remaining()
+     */
+    public int remaining() {
+        return getBuffer().remaining();
+    }
+
+    /**
+     * Returns the vertex index for the current position.
+     *
+     * @return
+     */
+    public abstract int get();
+
     /**
      * Returns the vertex index for the given index in the index buffer.
      * 

jme3-core/src/main/java/com/jme3/scene/mesh/IndexByteBuffer.java

@@ -47,7 +47,12 @@ public class IndexByteBuffer extends IndexBuffer {
         buf = buffer;
         buf.rewind();
     }
-    
+
+    @Override
+    public int get() {
+        return buf.get() & 0x000000FF;
+    }
+
     @Override
     public int get(int i) {
         return buf.get(i) & 0x000000FF;

jme3-core/src/main/java/com/jme3/scene/mesh/IndexIntBuffer.java

@@ -48,6 +48,10 @@ public class IndexIntBuffer extends IndexBuffer {
         buf.rewind();
     }
 
+    @Override
+    public int get() {
+        return buf.get();
+    }
     @Override
     public int get(int i) {
         return buf.get(i);

jme3-core/src/main/java/com/jme3/scene/mesh/IndexShortBuffer.java

@@ -48,6 +48,10 @@ public class IndexShortBuffer extends IndexBuffer {
         buf.rewind();
     }
 
+    @Override
+    public int get() {
+        return buf.get() & 0x0000FFFF;
+    }
     @Override
     public int get(int i) {
         return buf.get(i) & 0x0000FFFF;

jme3-core/src/main/java/com/jme3/scene/mesh/VirtualIndexBuffer.java

@@ -55,6 +55,7 @@ public class VirtualIndexBuffer extends IndexBuffer {
     protected int numVerts = 0;
     protected int numIndices = 0;
     protected Mode meshMode;
+    protected int position = 0;
  
     public VirtualIndexBuffer(int numVerts, Mode meshMode){
         this.numVerts = numVerts;
@@ -86,6 +87,23 @@ public class VirtualIndexBuffer extends IndexBuffer {
         }
     }
 
+    @Override
+    public int get() {
+        int i = get(position);
+        position++;
+        return i;
+    }
+
+    @Override
+    public void rewind() {
+        position = 0;
+    }
+
+    @Override
+    public int remaining() {
+        return numIndices - position;
+    }
+
     @Override
     public int get(int i) {
         if (meshMode == Mode.Triangles || meshMode == Mode.Lines || meshMode == Mode.Points){

jme3-core/src/main/java/com/jme3/util/BufferUtils.java

@@ -1341,62 +1341,4 @@ public final class BufferUtils {
         }
     }
 
-    public static class ByteShortIntBufferReader {
-        Buffer buffer;
-
-        public ByteShortIntBufferReader() {
-        }
-
-        public ByteShortIntBufferReader(Buffer buffer) {
-            this.buffer = buffer;
-        }
-
-        public int get() {
-            if (buffer instanceof ByteBuffer) {
-                return ((ByteBuffer) buffer).get();
-            } else if (buffer instanceof ShortBuffer) {
-                return ((ShortBuffer) buffer).get();
-            } else if (buffer instanceof IntBuffer) {
-                return ((IntBuffer) buffer).get();
-            } else {
-                throw new UnsupportedOperationException("Buffer must be a ByteBuffer, a ShortBuffer or an IntBuffer");
-            }
-        }
-
-        public int get(int index) {
-            if (buffer instanceof ByteBuffer) {
-                return ((ByteBuffer) buffer).get(index);
-            } else if (buffer instanceof ShortBuffer) {
-                return ((ShortBuffer) buffer).get(index);
-            } else if (buffer instanceof IntBuffer) {
-                return ((IntBuffer) buffer).get(index);
-            } else {
-                throw new UnsupportedOperationException("Buffer must be a ByteBuffer, a ShortBuffer or an IntBuffer");
-            }
-        }
-
-        public int getUnsigned(int index) {
-            if (buffer instanceof ByteBuffer) {
-                return ((ByteBuffer) buffer).get(index) & 0xff;
-            } else if (buffer instanceof ShortBuffer) {
-                return ((ShortBuffer) buffer).get(index) & 0xffff;
-            } else if (buffer instanceof IntBuffer) {
-                return ((IntBuffer) buffer).get(index) & 0xffffff;
-            } else {
-                throw new UnsupportedOperationException("Buffer must be a ByteBuffer, a ShortBuffer or an IntBuffer");
-            }
-        }
-
-        public void setBuffer(Buffer buffer) {
-            this.buffer = buffer;
-        }
-
-        public void rewind() {
-            buffer.rewind();
-        }
-
-        public int remaining() {
-            return buffer.remaining();
-        }
-    }
 }