refactoring and fixes

only change in design: decouplage between MorphGeometry and MorphTransform technique
no real change in behavior (i hope)

include/osgAnimation/MorphTransformSoftware

@@ -0,0 +1,45 @@
+/*  -*-c++-*-
+ *  Copyright (C) 2009 Cedric Pinson <cedric.pinson@plopbyte.net>
+ *
+ * This library is open source and may be redistributed and/or modified under
+ * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
+ * (at your option) any later version.  The full license is in LICENSE file
+ * included with this distribution, and on the openscenegraph.org website.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * OpenSceneGraph Public License for more details.
+ */
+
+#ifndef OSGANIMATION_MORPHTRANSFORM_SOFTWARE
+#define OSGANIMATION_MORPHTRANSFORM_SOFTWARE 1
+
+#include <osgAnimation/Export>
+#include <osgAnimation/RigTransform>
+#include <osgAnimation/Bone>
+#include <osg/observer_ptr>
+
+namespace osgAnimation
+{
+
+    class MorphGeometry;
+
+    /// This class manage format for software morphing
+    class OSGANIMATION_EXPORT MorphTransformSoftware : public MorphTransform
+    {
+    public:
+        MorphTransformSoftware():_needInit(true){}
+        MorphTransformSoftware(const MorphTransformSoftware& rts,const osg::CopyOp& copyop): MorphTransform(rts, copyop), _needInit(true){}
+
+        META_Object(osgAnimation,MorphTransformSoftware)
+
+        bool init(MorphGeometry&);
+        virtual void operator()(MorphGeometry&);
+    protected:
+        bool _needInit;
+
+    };
+}
+
+#endif