Python utils for Python <-> MT_Vector, MT_Point & MT_Matrix

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diff --git a/source/gameengine/Ketsji/KX_PyMath.h b/source/gameengine/Ketsji/KX_PyMath.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 *****
+ * Initialize Python thingies.
+ */
+
+#ifndef __KX_PYMATH_H__
+#define __KX_PYMATH_H__
+
+#include "MT_Vector3.h"
+#include "MT_Point3.h"
+#include "MT_Vector4.h"
+#include "MT_Matrix4x4.h"
+#include "MT_Matrix3x3.h"
+
+#include "KX_Python.h"
+
+/**
+ * Converts a python list to an MT_Vector3
+ */
+MT_Vector3 MT_Vector3FromPyList(PyObject* pylist);
+
+/**
+ * Converts a python list to an MT_Point3
+ */
+MT_Point3 MT_Point3FromPyList(PyObject* pylist);
+
+/**
+ * Converts a python list to an MT_Vector4
+ */
+MT_Vector4 MT_Vector4FromPyList(PyObject* pylist);
+/**
+ * Converts a python list of lists to an MT_Matrix4x4.
+ * Any object that supports the sequence protocol will work.
+ * Only the first four rows and first four columns in each row will be converted.
+ * @example The python object [[1.0, 0.0, 0.0, 0.0], [0.0, 1.0, 0.0, 0.0], [0.0, 0.0, 1.0, 0.0], [0.0, 0.0, 0.0, 1.0]]
+ */
+MT_Matrix4x4 MT_Matrix4x4FromPyObject(PyObject *pymat);
+/**
+ * Converts a python list of lists to an MT_Matrix3x3
+ * Any object that supports the sequence protocol will work.
+ * Only the first three rows and first three columns in each row will be converted.
+ * @example The python object [[1.0, 0.0, 0.0], [0.0, 1.0, 0.0], [0.0, 0.0, 1.0]]
+ */
+MT_Matrix3x3 MT_Matrix3x3FromPyObject(PyObject *pymat);
+
+/**
+ * Converts an MT_Matrix4x4 to a python object.
+ */
+PyObject* PyObjectFromMT_Matrix4x4(const MT_Matrix4x4 &mat);
+
+#endif