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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#ifndef QQUICK3DRESOURCELOADER_H
#define QQUICK3DRESOURCELOADER_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/qquick3dnode_p.h>
#include <QtQuick3D/private/qquick3dgeometry_p.h>
#include <QtQuick3D/private/qquick3dtexture_p.h>
#include <QtQml/QQmlListProperty>
QT_BEGIN_NAMESPACE
class Q_QUICK3D_EXPORT QQuick3DResourceLoader : public QQuick3DObject
{
Q_OBJECT
Q_PROPERTY(QList<QUrl> meshSources READ meshSources WRITE setMeshSources NOTIFY meshSourcesChanged)
Q_PROPERTY(QQmlListProperty<QQuick3DTexture> textures READ textures)
Q_PROPERTY(QQmlListProperty<QQuick3DGeometry> geometries READ geometries)
QML_NAMED_ELEMENT(ResourceLoader)
QML_ADDED_IN_VERSION(6, 3)
public:
QQuick3DResourceLoader(QQuick3DObject *parent = nullptr);
const QList<QUrl> &meshSources() const;
void setMeshSources(const QList<QUrl> &newMeshSources);
QQmlListProperty<QQuick3DGeometry> geometries();
QQmlListProperty<QQuick3DTexture> textures();
Q_SIGNALS:
void meshSourcesChanged();
private Q_SLOTS:
void onGeometryDestroyed(QObject *object);
void onTextureDestroyed(QObject *object);
protected:
QSSGRenderGraphObject *updateSpatialNode(QSSGRenderGraphObject *node) override;
void markAllDirty() override;
void itemChange(ItemChange change, const ItemChangeData &value) override;
private:
static void qmlAppendGeometry(QQmlListProperty<QQuick3DGeometry> *list, QQuick3DGeometry *geometry);
static QQuick3DGeometry *qmlGeometryAt(QQmlListProperty<QQuick3DGeometry> *list, qsizetype index);
static qsizetype qmlGeometriesCount(QQmlListProperty<QQuick3DGeometry> *list);
static void qmlClearGeometries(QQmlListProperty<QQuick3DGeometry> *list);
static void qmlAppendTexture(QQmlListProperty<QQuick3DTexture> *list, QQuick3DTexture *texture);
static QQuick3DTexture *qmlTextureAt(QQmlListProperty<QQuick3DTexture> *list, qsizetype index);
static qsizetype qmlTexturesCount(QQmlListProperty<QQuick3DTexture> *list);
static void qmlClearTextures(QQmlListProperty<QQuick3DTexture> *list);
enum ResourceLoaderDirtyType {
MeshesDirty = 0x00000001,
TexturesDirty = 0x00000002,
GeometriesDirty = 0x00000004
};
quint32 m_dirtyAttributes = 0xffffffff; // all dirty by default
void markDirty(ResourceLoaderDirtyType type);
void updateSceneManager(QQuick3DSceneManager *sceneManager);
QList<QUrl> m_meshSources;
QList<QQuick3DGeometry *> m_geometries;
QList<QQuick3DTexture *> m_textures;
};
QT_END_NAMESPACE
#endif // QQUICK3DRESOURCELOADER_H
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