fpp updates

# This patch file was generated by NetBeans IDE
# Following Index: paths are relative to: C:\Windows.old\Users\Toucher\Documents\jMonkeyProjects\trunk\engine\src\core\com\jme3\post
# This patch can be applied using context Tools: Patch action on respective folder.
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# Above lines and this line are ignored by the patching process.
Index: FilterPostProcessor.java
--- FilterPostProcessor.java Base (BASE)
+++ FilterPostProcessor.java Locally Modified (Based On LOCAL)
@@ -113,6 +113,25 @@
     }

     /**
+     * inserts a filter into the filters list, at the given index.
+     * @param index position in the filter list to insert the filter
+     * @param filter the filter to insert
+     */
+    public void addFilter(int index, Filter filter) {
+        if (filter == null) {
+            throw new IllegalArgumentException("Filter cannot be null.");
+        }
+        filters.add(index, filter);
+
+        if (isInitialized()) {
+            initFilter(filter, viewPort);
+        }
+
+        setFilterState(filter, filter.isEnabled());
+    }
+
+
+    /**
      * removes this filters from the filters list
      * @param filter
      */
@@ -125,6 +144,18 @@
         updateLastFilterIndex();
     }

+    /**
+     * removes a filter from the filters list at the given index
+     * @param index of filter
+     * @return filter the removed filter
+     */
+    public Filter removeFilter(int index) {
+        Filter removed = filters.remove(index);
+        removed.cleanup(renderer);
+        updateLastFilterIndex();
+        return removed;
+    }
+
     public Iterator<Filter> getFilterIterator() {
         return filters.iterator();
     }
@@ -535,6 +566,15 @@
     }

     /**
+     * returns the filter from the filter list at the given index
+     * @param index
+     * @return the filter at that index in the filter list
+     */
+    public Filter getFilter(int index) {
+        return filters.get(index);
+    }
+
+    /**
      * returns an unmodifiable version of the filter list.
      * @return the filters list
      */