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diff --git a/source/gameengine/Converter/KX_BlenderScalarInterpolator.h b/source/gameengine/Converter/KX_BlenderScalarInterpolator.h
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+++ b/source/gameengine/Converter/KX_BlenderScalarInterpolator.h
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+/**
+ * $Id$
+ *
+ * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version. The Blender
+ * Foundation also sells licenses for use in proprietary software under
+ * the Blender License.  See http://www.blender.org/BL/ for information
+ * about this.
+ *
+ * This program 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
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL/BL DUAL LICENSE BLOCK *****
+ */
+#ifndef __KX_SCALARINTERPOLATOR_H
+#define __KX_SCALARINTERPOLATOR_H
+
+#include <vector>
+
+#include "KX_IScalarInterpolator.h"
+
+typedef unsigned short BL_IpoChannel;
+
+class BL_ScalarInterpolator : public KX_IScalarInterpolator {
+public:
+	BL_ScalarInterpolator() {} // required for use in STL list
+	BL_ScalarInterpolator(struct Ipo *ipo, BL_IpoChannel channel) :
+		m_blender_ipo(ipo),
+		m_channel(channel)
+		{}
+
+	virtual ~BL_ScalarInterpolator() {}
+	
+	virtual float GetValue(float currentTime) const;
+
+	BL_IpoChannel GetChannel() const { return m_channel; }
+
+private:
+	struct Ipo    *m_blender_ipo;
+	BL_IpoChannel  m_channel;
+};
+
+
+class BL_InterpolatorList : public std::vector<KX_IScalarInterpolator *> {
+public:
+	BL_InterpolatorList(struct Ipo *ipo);
+	~BL_InterpolatorList();
+
+	KX_IScalarInterpolator *GetScalarInterpolator(BL_IpoChannel channel);	
+};
+
+
+#endif //__KX_SCALARINTERPOLATOR_H