qquick3dxrhandmodel.cpp

Go to the documentation of this file.

// Copyright (C) 2024 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
 
#include "qquick3dxrhandinput_p.h"
#include "qquick3dxrinputmanager_p.h"
#include "qquick3dxrhandmodel_p.h"
 
#if defined(Q_OS_VISIONOS)
# include "visionos/qquick3dxrinputmanager_visionos_p.h"
#else
# include "openxr/qopenxrinputmanager_p.h"
#endif
 
QT_BEGIN_NAMESPACE
 
QQuick3DXrHandModel::QQuick3DXrHandModel(QQuick3DNode *parent)
    : QQuick3DModel(parent)
{
 
}
 
void QQuick3DXrHandModel::updatePose()
{
    if (auto *skin = QQuick3DModel::skin()) {
        auto jointListProp = skin->joints();
        int count = jointListProp.count(&jointListProp);
        const auto positions = m_handTracker->jointPositions();
        const auto rotations = m_handTracker->jointRotations();
        for (int i = 0; i < count; ++i) {
            auto *joint = jointListProp.at(&jointListProp, i);
            joint->setPosition(positions.at(i));
            joint->setRotation(rotations.at(i));
        }
    } else {
        static bool warned = false;
        if (!warned) {
            qWarning() << "No skin available for hand model";
            warned = true;
        }
    }
}
 
void QQuick3DXrHandModel::setupModel()
{
    if (m_initialized) {
        qWarning() << "XrHandModel does not support changing hand";
        return;
    }
    QQuick3DXrInputManager *inputMan = QQuick3DXrInputManager::instance();
    if (m_hand == RightHand)
        m_handTracker = inputMan->rightHandInput();
    else if (m_hand == LeftHand)
        m_handTracker = inputMan->leftHandInput();
    if (!m_handTracker)
        return;
 
    QQuick3DXrInputManagerPrivate::get(inputMan)->setupHandModel(this);
 
    connect(m_handTracker, &QQuick3DXrHandInput::jointDataUpdated, this, &QQuick3DXrHandModel::updatePose);
    connect(m_handTracker, &QQuick3DXrHandInput::isHandTrackingChanged, this, [this](){
        setVisible(m_handTracker->isHandTrackingActive());
    });
    setVisible(m_handTracker->isActive());
    m_initialized = true;
}
 
void QQuick3DXrHandModel::componentComplete()
{
    setupModel();
    QQuick3DModel::componentComplete();
}
 
QQuick3DXrHandModel::Hand QQuick3DXrHandModel::hand() const
{
    return m_hand;
}
 
void QQuick3DXrHandModel::setHand(Hand newHand)
{
    if (m_hand == newHand)
        return;
    m_hand = newHand;
    emit handChanged();
}
QT_END_NAMESPACE