MT_CmMatrix4x4.h

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/*
 * $Id: MT_CmMatrix4x4.h 35158 2011-02-25 11:49:19Z jesterking $
 * ***** 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) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL LICENSE BLOCK *****
 */

#ifndef INCLUDED_MT_CmMatrix4x4
#define INCLUDED_MT_CmMatrix4x4

#include "MT_Scalar.h"

class MT_Point3;
class MT_Vector3;

class MT_CmMatrix4x4
{

public :

        MT_CmMatrix4x4(
                const float value[4][4]
        );

        MT_CmMatrix4x4(
        );


        MT_CmMatrix4x4(
                const double value[16]
        );

        MT_CmMatrix4x4(
                const MT_CmMatrix4x4 & other
        );

        MT_CmMatrix4x4(
                const MT_Point3& orig,
                const MT_Vector3& dir,
                const MT_Vector3 up
        );

                void
        Identity(
        );

                void
        SetMatrix(
                const MT_CmMatrix4x4 & other
        );

                double*
        getPointer(
        );

        const
                double*
        getPointer(
        ) const;

                void
        setElem(
                int pos,
                double newvalue
        );

                MT_Vector3
        GetRight(
        ) const;

                MT_Vector3
        GetUp(
        ) const;

                MT_Vector3
        GetDir(
        ) const;

                MT_Point3
        GetPos(
        ) const;

                void
        SetPos(
                const MT_Vector3 & v
        );

                double&
        operator (
        ) (int row,int col)     { return m_V[col][row]; }

        static
            MT_CmMatrix4x4
    Perspective(
                MT_Scalar inLeft,
                MT_Scalar inRight,
                MT_Scalar inBottom,
                MT_Scalar inTop,
                MT_Scalar inNear,
                MT_Scalar inFar
        );

protected:
        union
        {
                double m_V[4][4];
                double m_Vflat[16];
        };
};

#endif //MT_CmMatrix4x4