qentity.h - mozsearch

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// Copyright (C) 2014 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 QT3DCORE_QENTITY_H

#define QT3DCORE_QENTITY_H

#include <Qt3DCore/qnode.h>

#include <Qt3DCore/qt3dcore_global.h>

#include <QtCore/QMetaType>

QT_BEGIN_NAMESPACE

namespace Qt3DCore {

class QComponent;

class QEntityPrivate;

using QComponentVector = QList<QComponent*>;

class Q_3DCORESHARED_EXPORT QEntity : public QNode

    Q_OBJECT

public:

    explicit QEntity(QNode *parent = nullptr);

    virtual ~QEntity();

    QComponentVector components() const;

    template<class T>

    QList<T *> componentsOfType() const

        QList<T*> matchComponents;

        const QComponentVector comps = this->components();

        for (QComponent *component : comps) {

            T *typedComponent = qobject_cast<T*>(component);

            if (typedComponent != nullptr)

                matchComponents.append(typedComponent);

        return matchComponents;

    void addComponent(QComponent *comp);

    void removeComponent(QComponent *comp);

    QEntity *parentEntity() const;

protected:

    explicit QEntity(QEntityPrivate &dd, QNode *parent = nullptr);

private Q_SLOTS:

    void onParentChanged(QObject *);

private:

    Q_DECLARE_PRIVATE(QEntity)

};

typedef QSharedPointer<QEntity> QEntityPtr;

} // namespace Qt3DCore

QT_END_NAMESPACE

#endif // QT3DCORE_QENTITY_H