MT_CmMatrix4x4.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) 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