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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
****************************************************************************/
#ifndef QDECLARATIVEATTENUATIONMODEL_P_H
#define QDECLARATIVEATTENUATIONMODEL_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtQml/qqml.h>
#include <QVector3D>
QT_BEGIN_NAMESPACE
class QDeclarativeAudioEngine;
class QDeclarativeAttenuationModel : public QObject
{
Q_OBJECT
Q_PROPERTY(QString name READ name WRITE setName)
public:
QDeclarativeAttenuationModel(QObject *parent = 0);
~QDeclarativeAttenuationModel();
QString name() const;
void setName(const QString& name);
virtual qreal calculateGain(const QVector3D &listenerPosition, const QVector3D &sourcePosition) const = 0;
virtual void setEngine(QDeclarativeAudioEngine *engine);
protected:
QString m_name;
QDeclarativeAudioEngine *m_engine;
private:
Q_DISABLE_COPY(QDeclarativeAttenuationModel);
};
class QDeclarativeAttenuationModelLinear : public QDeclarativeAttenuationModel
{
Q_OBJECT
Q_PROPERTY(qreal start READ startDistance WRITE setStartDistance)
Q_PROPERTY(qreal end READ endDistance WRITE setEndDistance)
public:
QDeclarativeAttenuationModelLinear(QObject *parent = 0);
qreal startDistance() const;
void setStartDistance(qreal startDist);
qreal endDistance() const;
void setEndDistance(qreal endDist);
qreal calculateGain(const QVector3D &listenerPosition, const QVector3D &sourcePosition) const override;
void setEngine(QDeclarativeAudioEngine *engine) override;
private:
Q_DISABLE_COPY(QDeclarativeAttenuationModelLinear);
qreal m_start;
qreal m_end;
};
class QDeclarativeAttenuationModelInverse : public QDeclarativeAttenuationModel
{
Q_OBJECT
Q_PROPERTY(qreal start READ referenceDistance WRITE setReferenceDistance)
Q_PROPERTY(qreal end READ maxDistance WRITE setMaxDistance)
Q_PROPERTY(qreal rolloff READ rolloffFactor WRITE setRolloffFactor)
public:
QDeclarativeAttenuationModelInverse(QObject *parent = 0);
qreal referenceDistance() const;
void setReferenceDistance(qreal referenceDistance);
qreal maxDistance() const;
void setMaxDistance(qreal maxDistance);
qreal rolloffFactor() const;
void setRolloffFactor(qreal rolloffFactor);
qreal calculateGain(const QVector3D &listenerPosition, const QVector3D &sourcePosition) const override;
void setEngine(QDeclarativeAudioEngine *engine) override;
private:
Q_DISABLE_COPY(QDeclarativeAttenuationModelInverse);
qreal m_ref;
qreal m_max;
qreal m_rolloff;
};
QT_END_NAMESPACE
#endif
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