qraycastingservice_p.h

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// Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB).

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

#ifndef QT3DRENDER_QRAYCASTINGSERVICE_P_H

#define QT3DRENDER_QRAYCASTINGSERVICE_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists for the convenience

// of other Qt classes.  This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#include <Qt3DCore/qt3dcore_global.h>

#include <Qt3DRender/private/qabstractcollisionqueryservice_p.h>

#include <Qt3DRender/private/qray3d_p.h>

#include <QHash>

#include <QtConcurrent>

#include <QAtomicInt>

QT_BEGIN_NAMESPACE

namespace Qt3DRender {

namespace RayCasting {

class QBoundingVolumeProvider;

class QRayCastingServicePrivate;

typedef QFuture<QCollisionQueryResult> FutureQueryResult;

class Q_3DRENDERSHARED_EXPORT QRayCastingService : public QAbstractCollisionQueryService

public:

    QRayCastingService();

    QQueryHandle query(const QRay3D &ray, QueryMode mode, QBoundingVolumeProvider *provider) override;

    QCollisionQueryResult::Hit query(const QRay3D &ray, const QBoundingVolume *volume) override;

    QCollisionQueryResult fetchResult(const QQueryHandle &handle) override;

    QList<QCollisionQueryResult> fetchAllResults() const override;

protected:

    QRayCastingService(QRayCastingServicePrivate &dd);

private:

    Q_DISABLE_COPY(QRayCastingService)

    Q_DECLARE_PRIVATE(QRayCastingService)

};

class QRayCastingServicePrivate : public QAbstractCollisionQueryServicePrivate

public:

    QRayCastingServicePrivate(const QString &description);

    QCollisionQueryResult collides(const QRay3D &ray,

                                   QBoundingVolumeProvider *provider,

                                   QAbstractCollisionQueryService::QueryMode mode,

                                   const QQueryHandle &handle);

    QCollisionQueryResult::Hit collides(const QRay3D &ray,

                                        const QBoundingVolume *volume);

    Q_DECLARE_PUBLIC(QRayCastingService)

    struct Query

        QQueryHandle handle;

        QRay3D ray;

        QRayCastingService::QueryMode mode;

};

#if QT_CONFIG(concurrent)

    QHash<QQueryHandle, FutureQueryResult> m_results;

#else

    QHash<QQueryHandle, QCollisionQueryResult> m_results;

#endif

    QAtomicInt m_handlesCount;

};

} // namespace RayCasting

} // namespace Qt3DRender

QT_END_NAMESPACE

#endif // QT3DRENDER_QRAYCASTINGSERVICE_P_H