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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 QQUICK3DPARTICLEDATA_H
++ #define QQUICK3DPARTICLEDATA_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 <QVector3D>
++ #include <private/qglobal_p.h>
++
++ QT_BEGIN_NAMESPACE
++
++ struct Color4ub {
++ uchar r = 255;
++ uchar g = 255;
++ uchar b = 255;
++ uchar a = 255;
++ };
++
++ struct Vector3b {
++ qint8 x = 0;
++ qint8 y = 0;
++ qint8 z = 0;
++ };
++
++ // Current particle data, only used for currently modified data, so one per system
++ struct QQuick3DParticleDataCurrent
++ {
++ QVector3D position;
++ QVector3D velocity;
++ QVector3D rotation;
++ QVector3D scale;
++ Color4ub color;
++ };
++
++ // Particle data per particle
++ // Not modified after emits
++ struct QQuick3DParticleData
++ {
++ QVector3D startPosition;
++ QVector3D startVelocity;
++ QVector3D surfaceNormal;
++ // Use Vector3b to reduce the memory usage, rotations work with less accuracy.
++ // These need to be qint8 and not quint8 as rotations can go either direction.
++
++ Vector3b startRotation;
++ Vector3b startRotationVelocity;
++ Color4ub startColor;
++ // Seconds, system time when this particle was emitted
++ float startTime = -1.0f;
++ // Seconds, particle lifetime
++ float lifetime = 0.0f;
++ // Unified scaling among axes
++ float startSize = 1.0f;
++ float endSize = 1.0f;
++ // Seconds, sprite sequence animation total time
++ float animationTime = -1.0f;
++ // Index/id of the particle. Used to get unique random values.
++ // Might not be necessary, check later
++ int index = 0;
++ // Size: 12+12+3+3+4+4+4+4+4+4 = 54 bytes
++ bool reversed = false;
++ };
++
++ // Data structure for storing bursts
++ struct QQuick3DParticleEmitBurstData {
++ int amount = 0;
++ int time = 0;
++ int duration = 0;
++ QVector3D position;
++ };
++
++ QT_END_NAMESPACE
++
++ #endif // QQUICK3DPARTICLEDATA_H