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#ifndef QT3D_QRAYCASTINGSERVICE_P_H
#define QT3D_QRAYCASTINGSERVICE_P_H

#include <Qt3DCore/qt3dcore_global.h>
#include <Qt3DCore/qabstractcollisionqueryservice.h>
#include <Qt3DCore/private/qabstractcollisionqueryservice_p.h>
#include <Qt3DCore/qray3d.h>

#include <QHash>
#include <QtConcurrent>
#include <QAtomicInt>

QT_BEGIN_NAMESPACE

namespace Qt3D {

class QBoundingVolumeProvider;
class QBoundingVolume;
typedef QFuture<QCollisionQueryResult> FutureQueryResult;

class QRayCastingServicePrivate : public QAbstractCollisionQueryServicePrivate
{
public:
    QRayCastingServicePrivate(const QString &description, QBoundingVolumeProvider *provider);

    QCollisionQueryResult collides(const QRay3D &ray, QBoundingVolumeProvider *provider,
                                   QAbstractCollisionQueryService::QueryMode mode, const QQueryHandle &handle);

    Q_DECLARE_PUBLIC(QRayCastingService)

    struct Query
    {
        QQueryHandle handle;
        QRay3D ray;
        QRayCastingService::QueryMode mode;
    };

    QHash<QQueryHandle, FutureQueryResult> m_results;
    QAtomicInt m_handlesCount;

    QBoundingVolumeProvider *m_boundingProvider;
};

} // Qt3D

QT_END_NAMESPACE

#endif // QT3D_QRAYCASTINGSERVICE_P_H
