| 1 | // Copyright (C) 2021 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QQUICK3DPARTICLEMODELPARTICLE_H |
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| 5 | #define QQUICK3DPARTICLEMODELPARTICLE_H |
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| 6 | |
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| 7 | // |
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| 8 | // W A R N I N G |
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| 9 | // ------------- |
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| 10 | // |
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| 11 | // This file is not part of the Qt API. It exists purely as an |
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| 12 | // implementation detail. This header file may change from version to |
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| 13 | // version without notice, or even be removed. |
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| 14 | // |
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| 15 | // We mean it. |
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| 16 | // |
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| 17 | |
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| 18 | #include <QColor> |
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| 19 | #include <QVector4D> |
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| 20 | #include <QtQuick3D/private/qquick3dnode_p.h> |
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| 21 | #include <QtQuick3D/private/qquick3dmodel_p.h> |
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| 22 | #include <QtQuick3D/qquick3dinstancing.h> |
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| 23 | |
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| 24 | #include <QtQuick3DParticles/private/qquick3dparticle_p.h> |
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| 25 | #include <QtQuick3DParticles/private/qquick3dparticlesystem_p.h> |
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| 26 | #include <QtQuick3DParticles/private/qquick3dparticledata_p.h> |
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| 27 | |
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| 28 | QT_BEGIN_NAMESPACE |
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| 29 | |
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| 30 | class QQmlInstanceModel; |
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| 31 | class QQmlChangeSet; |
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| 32 | class QQuick3DParticleInstanceTable; |
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| 33 | |
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| 34 | class Q_QUICK3DPARTICLES_EXPORT QQuick3DParticleModelParticle : public QQuick3DParticle |
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| 35 | { |
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| 36 | Q_OBJECT |
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| 37 | Q_PROPERTY(QQmlComponent *delegate READ delegate WRITE setDelegate NOTIFY delegateChanged) |
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| 38 | Q_PROPERTY(QQuick3DInstancing *instanceTable READ instanceTable NOTIFY instanceTableChanged) |
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| 39 | |
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| 40 | QML_NAMED_ELEMENT(ModelParticle3D) |
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| 41 | Q_CLASSINFO("DefaultProperty" , "delegate" ) |
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| 42 | QML_ADDED_IN_VERSION(6, 2) |
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| 43 | |
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| 44 | public: |
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| 45 | QQuick3DParticleModelParticle(QQuick3DNode *parent = nullptr); |
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| 46 | |
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| 47 | QQmlComponent *delegate() const; |
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| 48 | QQuick3DInstancing *instanceTable() const; |
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| 49 | |
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| 50 | public Q_SLOTS: |
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| 51 | void setDelegate(QQmlComponent *delegate); |
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| 52 | |
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| 53 | Q_SIGNALS: |
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| 54 | void delegateChanged(); |
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| 55 | void instanceTableChanged(); |
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| 56 | |
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| 57 | protected: |
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| 58 | void componentComplete() override; |
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| 59 | void itemChange(ItemChange change, const ItemChangeData &value) override; |
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| 60 | |
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| 61 | void setDepthBias(float bias) override |
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| 62 | { |
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| 63 | QQuick3DParticle::setDepthBias(bias); |
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| 64 | if (m_node) |
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| 65 | updateDepthBias(bias); |
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| 66 | } |
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| 67 | private: |
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| 68 | void regenerate(); |
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| 69 | void handleMaxAmountChanged(int amount); |
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| 70 | void handleSortModeChanged(QQuick3DParticle::SortMode mode); |
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| 71 | |
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| 72 | friend class QQuick3DParticleSystem; |
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| 73 | friend class QQuick3DParticleEmitter; |
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| 74 | |
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| 75 | void clearInstanceTable(); |
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| 76 | void addInstance(const QVector3D &position, const QVector3D &scale, |
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| 77 | const QVector3D &eulerRotation, const QColor &color, |
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| 78 | float age); |
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| 79 | void commitInstance(); |
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| 80 | void updateDepthBias(float bias); |
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| 81 | |
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| 82 | QPointer<QQmlComponent> m_delegate; |
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| 83 | QPointer<QQuick3DNode> m_node; |
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| 84 | QQuick3DParticleInstanceTable *m_instanceTable = nullptr; |
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| 85 | |
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| 86 | QVector3D m_initialScale; |
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| 87 | float m_initialOpacity = 1.0f; |
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| 88 | bool m_explicitColor; |
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| 89 | }; |
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| 90 | |
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| 91 | QT_END_NAMESPACE |
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| 92 | |
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| 93 | #endif // QQUICK3DPARTICLEMODELPARTICLE_H |
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| 94 | |
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