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/****************************************************************************
**
** Copyright (C) 1993-2009 NVIDIA Corporation.
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#pragma once
//==============================================================================
// Namespace
//==============================================================================
namespace Q3DStudio {
//==============================================================================
// Forwards
//==============================================================================
class RuntimeVector3;
//==============================================================================
/**
* A row major matrix for 3D transformation.
*
* Matrix[row][column]
@code
| 0 1 2 3 | or | 00 01 02 03 | or | Xx Xy Xz w |
| 4 5 6 7 | | 10 11 12 13 | | Yx Yy Yz w |
| 8 9 A B | | 20 21 22 23 | | Zx Zy Zz w |
| C D E F | | 30 31 32 33 | | Tx Ty Tz w |
@endcode
* Rotations are concatenated in the the following order: YXZ
* All rotations are clockwise when viewed down the positive axis
* towards the origin.
*/
class RuntimeMatrix
{
//==============================================================================
// Enumerations
//==============================================================================
public:
enum ERotationOrder {
ROTATIONORDER_XYZ = 0,
ROTATIONORDER_YZX,
ROTATIONORDER_ZXY,
ROTATIONORDER_XZY,
ROTATIONORDER_YXZ,
ROTATIONORDER_ZYX,
ROTATIONORDER_XYZR,
ROTATIONORDER_YZXR,
ROTATIONORDER_ZXYR,
ROTATIONORDER_XZYR,
ROTATIONORDER_YXZR,
ROTATIONORDER_ZYXR
};
enum EOrientation { ORIENTATION_LEFT_HANDED = 0, ORIENTATION_RIGHT_HANDED };
//==============================================================================
// Constants
//==============================================================================
public:
static const RuntimeMatrix IDENTITY; ///< Enabling fast initialization from static identity matrix
//==============================================================================
// Fields
//==============================================================================
public:
FLOAT m_Data[4][4]; ///< 16 elements in a 4 x 4
//==============================================================================
// Methods
//==============================================================================
public: // Construction
RuntimeMatrix(const BOOL inInitializeIdentity = true);
RuntimeMatrix(const RuntimeMatrix &inMatrix);
RuntimeMatrix(const FLOAT inComponents[4][4]);
public: // Initialization
RuntimeMatrix &Zero();
RuntimeMatrix &Identity();
RuntimeMatrix &Set(const RuntimeMatrix &inMatrix);
RuntimeMatrix &Set(const FLOAT inComponents[4][4]);
RuntimeMatrix &Set(const RuntimeVector3 &inTranslation, const RuntimeVector3 &inRotation, const RuntimeVector3 &inScale,
const RuntimeVector3 &inPivot, const UINT8 inRotationOrder,
const UINT8 inCoordinateSystem);
RuntimeMatrix &SetTranslate(const RuntimeVector3 &inTranslate);
RuntimeMatrix &SetRotate(const RuntimeVector3 &inRotation, const UINT8 inRotationOrder = ROTATIONORDER_XYZ,
const UINT8 inCoordinateSystem = ORIENTATION_LEFT_HANDED);
RuntimeMatrix &SetScale(const RuntimeVector3 &inScale);
public: // Functions
BOOL IsIdentity() const;
BOOL IsAffine() const;
RuntimeMatrix &Translate(const RuntimeVector3 &inTranslate);
RuntimeMatrix &Scale(const RuntimeVector3 &inScale);
RuntimeMatrix &Transpose();
FLOAT Invert();
RuntimeMatrix &MultiplyAffine(const RuntimeMatrix &inMatrix);
RuntimeMatrix &Multiply(const RuntimeMatrix &inMatrix);
RuntimeMatrix &FlipCoordinateSystem();
RuntimeMatrix &CloneRotation(const RuntimeMatrix &inMatrix, BOOL inMirrorFlag = false);
FLOAT SquareDistance(const RuntimeMatrix &inMatrix) const;
public: // Operators
RuntimeMatrix &operator=(const RuntimeMatrix &inMatrix);
BOOL operator==(const RuntimeMatrix &inMatrix) const;
BOOL operator!=(const RuntimeMatrix &inMatrix) const;
public: // Script based accessors
inline FLOAT Get(const INT32 inRow, const INT32 inColumn) const
{
return m_Data[inRow][inColumn];
}
inline void Set(const INT32 inRow, const INT32 inColumn, const FLOAT inValue)
{
m_Data[inRow][inColumn] = inValue;
}
};
} // namespace Q3DStudio
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