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+/****************************************************************************
+**
+** Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** 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 http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QT3D_QABSTRACTCOLLISIONQUERYSERVICE_H
+#define QT3D_QABSTRACTCOLLISIONQUERYSERVICE_H
+
+#include <QVector>
+
+#include <Qt3DCore/qt3dcore_global.h>
+#include <Qt3DCore/qservicelocator.h>
+#include <Qt3DCore/qnodeid.h>
+#include <Qt3DCore/qcollisionqueryresult.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace Qt3D {
+
+class QRay3D;
+class QAbstractCollisionQueryServicePrivate;
+
+class QT3DCORESHARED_EXPORT QAbstractCollisionQueryService : public QAbstractServiceProvider
+{
+public:
+    enum QueryMode {
+        FirstHit,
+        AllHits
+    };
+
+    virtual QQueryHandle query(const QRay3D &ray, QueryMode mode) = 0;
+
+    virtual QCollisionQueryResult fetchResult(const QQueryHandle &handle) = 0;
+    virtual QVector<QCollisionQueryResult> fetchAllResults() const = 0;
+
+protected:
+    QAbstractCollisionQueryService(const QString &description = QString());
+    QAbstractCollisionQueryService(QAbstractCollisionQueryServicePrivate &dd);
+
+    void setResultHandle(QCollisionQueryResult &result, const QQueryHandle &handle);
+    void addEntityHit(QCollisionQueryResult &result, const QNodeId &entity);
+
+private:
+    Q_DECLARE_PRIVATE(QAbstractCollisionQueryService)
+};
+
+} // Qt3D
+
+QT_END_NAMESPACE
+
+Q_DECLARE_METATYPE(Qt3D::QAbstractCollisionQueryService::QueryMode)
+
+#endif // QT3D_QABSTRACTCOLLISIONQUERYSERVICE_H