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diff --git a/source/blender/collada/BCSampleData.h b/source/blender/collada/BCSampleData.h
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+/*
+* ***** BEGIN GPL 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.
+*
+* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+*
+* The Original Code is Copyright (C) 2008 Blender Foundation.
+* All rights reserved.
+*
+* Contributor(s): Blender Foundation
+*
+* ***** END GPL LICENSE BLOCK *****
+*/
+
+#ifndef __BC_SAMPLE_H__
+#define __BC_SAMPLE_H__
+
+#include <string>
+#include <map>
+#include <algorithm>
+
+extern "C"
+{
+#include "BKE_object.h"
+#include "BLI_math_rotation.h"
+#include "DNA_object_types.h"
+#include "DNA_armature_types.h"
+#include "DNA_material_types.h"
+#include "DNA_lamp_types.h"
+#include "DNA_camera_types.h"
+}
+
+typedef float(Matrix)[4][4];
+
+class BCMatrix {
+
+private:
+	mutable float matrix[4][4];
+	mutable float size[3];
+	mutable float rot[3];
+	mutable float loc[3];
+	mutable float q[4];
+
+	void unit();
+	void copy(Matrix &r, Matrix &a);
+	void set_transform(Object *ob);
+	void set_transform(Matrix &mat);
+
+public:
+
+	float(&location() const)[3];
+	float(&rotation() const)[3];
+	float(&scale() const)[3];
+	float(&quat() const)[4];
+
+	BCMatrix(Matrix &mat);
+	BCMatrix(Object *ob);
+
+	void get_matrix(double(&mat)[4][4], const bool transposed = false, const int precision = -1) const;
+
+	const bool in_range(const BCMatrix &other, float distance) const;
+	static void sanitize(Matrix &matrix, int precision);
+	static void transpose(Matrix &matrix);
+
+};
+
+typedef std::map<Bone *, BCMatrix *> BCBoneMatrixMap;
+
+class BCSample{
+private:
+
+	BCMatrix obmat;
+	BCBoneMatrixMap bonemats; /* For Armature animation */
+
+public:
+	BCSample(Object *ob);
+	~BCSample();
+
+	void add_bone_matrix(Bone *bone, Matrix &mat);
+
+	const bool get_value(std::string channel_target, const int array_index, float *val) const;
+	const BCMatrix &get_matrix() const;
+	const BCMatrix *get_matrix(Bone *bone) const; // returns NULL if bone is not animated
+
+};
+
+typedef std::map<Object *, BCSample *> BCSampleMap;
+typedef std::map<int, const BCSample *> BCFrameSampleMap;
+typedef std::map<int, const BCMatrix *> BCMatrixSampleMap;
+
+#endif