1// Copyright (C) 2021 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
3
4#ifndef QQUICK3DRUNTIMELOADER_H
5#define QQUICK3DRUNTIMELOADER_H
6
7//
8// W A R N I N G
9// -------------
10//
11// This file is not part of the Qt API. It exists purely as an
12// implementation detail. This header file may change from version to
13// version without notice, or even be removed.
14//
15// We mean it.
16//
17
18#include <QtQuick3D/private/qquick3dmodel_p.h>
19#include <QtQuick3D/private/qquick3dinstancing_p.h>
20
21#include "qtquick3dassetutilsglobal_p.h"
22
23#include <QtCore/qpointer.h>
24#include <QtCore/qlist.h>
25#if QT_CONFIG(mimetype)
26#include <QtCore/qmimetype.h>
27#endif
28
29QT_BEGIN_NAMESPACE
30
31class Q_QUICK3DASSETUTILS_EXPORT QQuick3DRuntimeLoader : public QQuick3DNode
32{
33 Q_OBJECT
34
35 QML_NAMED_ELEMENT(RuntimeLoader)
36 QML_ADDED_IN_VERSION(6, 2)
37
38 Q_PROPERTY(QUrl source READ source WRITE setSource NOTIFY sourceChanged)
39 Q_PROPERTY(Status status READ status NOTIFY statusChanged)
40 Q_PROPERTY(QString errorString READ errorString NOTIFY errorStringChanged)
41 Q_PROPERTY(QQuick3DBounds3 bounds READ bounds NOTIFY boundsChanged)
42 Q_PROPERTY(QQuick3DInstancing *instancing READ instancing WRITE setInstancing NOTIFY instancingChanged)
43 Q_PROPERTY(QStringList supportedExtensions READ supportedExtensions CONSTANT REVISION(6, 7))
44#if QT_CONFIG(mimetype)
45 Q_PROPERTY(QList<QMimeType> supportedMimeTypes READ supportedMimeTypes CONSTANT REVISION(6, 7))
46#endif
47
48public:
49 explicit QQuick3DRuntimeLoader(QQuick3DNode *parent = nullptr);
50
51 QUrl source() const;
52 void setSource(const QUrl &newSource);
53 void componentComplete() override;
54 Q_REVISION(6, 7) static QStringList supportedExtensions();
55#if QT_CONFIG(mimetype)
56 Q_REVISION(6, 7) static QList<QMimeType> supportedMimeTypes();
57#endif
58
59 enum class Status { Empty, Success, Error };
60 Q_ENUM(Status)
61 Status status() const;
62 QString errorString() const;
63 const QQuick3DBounds3 &bounds() const;
64
65 QQuick3DInstancing *instancing() const;
66 void setInstancing(QQuick3DInstancing *newInstancing);
67
68Q_SIGNALS:
69 void sourceChanged();
70 void statusChanged();
71 void errorStringChanged();
72 void boundsChanged();
73 void instancingChanged();
74
75protected:
76 QSSGRenderGraphObject *updateSpatialNode(QSSGRenderGraphObject *node) override;
77
78private:
79 void calculateBounds();
80 void loadSource();
81 void updateModels();
82
83 QPointer<QQuick3DNode> m_root;
84 QPointer<QQuick3DNode> m_imported;
85 QString m_assetId; // Used to release runtime assets in the buffer manager.
86 QUrl m_source;
87 Status m_status = Status::Empty;
88 QString m_errorString;
89 bool m_boundsDirty = false;
90 QQuick3DBounds3 m_bounds;
91 QQuick3DInstancing *m_instancing = nullptr;
92 bool m_instancingChanged = false;
93};
94
95QT_END_NAMESPACE
96
97#endif // QQUICK3DRUNTIMELOADER_H
98

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source code of qtquick3d/src/assetutils/qquick3druntimeloader_p.h