qquick3druntimeloader_p.h

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// Copyright (C) 2021 The Qt Company Ltd.

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

// Qt-Security score:significant reason:default

#ifndef QQUICK3DRUNTIMELOADER_H

#define QQUICK3DRUNTIMELOADER_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 <QtQuick3D/private/qquick3dmodel_p.h>

#include <QtQuick3D/private/qquick3dinstancing_p.h>

#include "qtquick3dassetutilsglobal_p.h"

#include <QtCore/qpointer.h>

#include <QtCore/qlist.h>

#if QT_CONFIG(mimetype)

#include <QtCore/qmimetype.h>

#endif

#include <QtCore/qhash.h>

QT_BEGIN_NAMESPACE

class Q_QUICK3DASSETUTILS_EXPORT QQuick3DRuntimeLoader : public QQuick3DNode

    Q_OBJECT

    QML_NAMED_ELEMENT(RuntimeLoader)

    QML_ADDED_IN_VERSION(6, 2)

    Q_PROPERTY(QUrl source READ source WRITE setSource NOTIFY sourceChanged)

    Q_PROPERTY(Status status READ status NOTIFY statusChanged)

    Q_PROPERTY(QString errorString READ errorString NOTIFY errorStringChanged)

    Q_PROPERTY(QQuick3DBounds3 bounds READ bounds NOTIFY boundsChanged)

    Q_PROPERTY(QQuick3DInstancing *instancing READ instancing WRITE setInstancing NOTIFY instancingChanged)

    Q_PROPERTY(QStringList supportedExtensions READ supportedExtensions CONSTANT REVISION(6, 7))

    Q_PROPERTY(QStringList materialVariants READ materialVariants NOTIFY materialVariantsChanged REVISION(6, 13))

    Q_PROPERTY(QString materialVariant READ materialVariant WRITE setMaterialVariant NOTIFY materialVariantChanged

                       REVISION(6, 13))

#if QT_CONFIG(mimetype)

    Q_PROPERTY(QList<QMimeType> supportedMimeTypes READ supportedMimeTypes CONSTANT REVISION(6, 7))

#endif

public:

    explicit QQuick3DRuntimeLoader(QQuick3DNode *parent = nullptr);

    enum class QueryFilter

        Textures,

        Materials,

        Nodes,

        Cameras,

        Lights,

        Models,

};

    Q_ENUM(QueryFilter)

    QUrl source() const;

    void setSource(const QUrl &newSource);

    void componentComplete() override;

    Q_REVISION(6, 7) static QStringList supportedExtensions();

#if QT_CONFIG(mimetype)

    Q_REVISION(6, 7) static QList<QMimeType> supportedMimeTypes();

#endif

    enum class Status { Empty, Success, Error };

    Q_ENUM(Status)

    Status status() const;

    QString errorString() const;

    const QQuick3DBounds3 &bounds() const;

    QQuick3DInstancing *instancing() const;

    void setInstancing(QQuick3DInstancing *newInstancing);

    Q_REVISION(6, 13) QStringList materialVariants() const;

    Q_REVISION(6, 13) QString materialVariant() const;

    Q_REVISION(6, 13) void setMaterialVariant(const QString &variant);

    Q_REVISION(6, 12) Q_INVOKABLE QQuick3DObject *query(const QString &name) const;

    Q_REVISION(6, 12) Q_INVOKABLE QList<QQuick3DObject *> queryAll(QueryFilter filter) const;

Q_SIGNALS:

    void sourceChanged();

    void statusChanged();

    void errorStringChanged();

    void boundsChanged();

    void instancingChanged();

    Q_REVISION(6, 13) void materialVariantsChanged();

    Q_REVISION(6, 13) void materialVariantChanged();

protected:

    QSSGRenderGraphObject *updateSpatialNode(QSSGRenderGraphObject *node) override;

private:

    void calculateBounds();

    void loadSource();

    void updateModels();

    QSSGRuntimeObjectNameMap m_objects;

    QSSGRuntimeObjectTypeMap m_objectsByType;

    QPointer<QQuick3DNode> m_root;

    QPointer<QQuick3DNode> m_imported;

    QString m_assetId; // Used to release runtime assets in the buffer manager.

    QUrl m_source;

    Status m_status = Status::Empty;

    QString m_errorString;

    bool m_boundsDirty = false;

    QQuick3DBounds3 m_bounds;

    QQuick3DInstancing *m_instancing = nullptr;

    bool m_instancingChanged = false;

    void applyMaterialVariant();

    struct ModelVariantMaterials

        QPointer<QQuick3DModel> model;

        QList<QList<QQuick3DMaterial *>> perVariant;

        QList<QQuick3DMaterial *> defaults;

};

    QList<ModelVariantMaterials> m_variantModels;

    QStringList m_materialVariants;

    QString m_materialVariant;

};

QT_END_NAMESPACE

#endif // QQUICK3DRUNTIMELOADER_H