| 1 | // Copyright (C) 2024 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only |
| 3 | |
| 4 | #include "qquick3dxrhandinput_p.h" |
| 5 | #include "qquick3dxrinputmanager_p.h" |
| 6 | #include "qquick3dxrhandmodel_p.h" |
| 7 | |
| 8 | #if defined(Q_OS_VISIONOS) |
| 9 | # include "visionos/qquick3dxrinputmanager_visionos_p.h" |
| 10 | #else |
| 11 | # include "openxr/qopenxrinputmanager_p.h" |
| 12 | #endif |
| 13 | |
| 14 | QT_BEGIN_NAMESPACE |
| 15 | |
| 16 | /*! |
| 17 | \qmltype XrHandModel |
| 18 | \inherits Model |
| 19 | \inqmlmodule QtQuick3D.Xr |
| 20 | \brief Represents a 3D model for a hand. |
| 21 | |
| 22 | Contains an animated 3D model that tracks the user's hands |
| 23 | |
| 24 | XrHandModel is only visible when hand tracking is active. |
| 25 | |
| 26 | \note XrHandModel depends on hand tracking data from the underlying |
| 27 | system and is therefore not available on all platforms. In particular, |
| 28 | the Apple Vision Pro will overlay video of the user's hands directly, |
| 29 | and the XrHandModel will not have any content. |
| 30 | */ |
| 31 | |
| 32 | QQuick3DXrHandModel::QQuick3DXrHandModel(QQuick3DNode *parent) |
| 33 | : QQuick3DModel(parent) |
| 34 | { |
| 35 | } |
| 36 | |
| 37 | void QQuick3DXrHandModel::updatePose() |
| 38 | { |
| 39 | if (auto *skin = QQuick3DModel::skin()) { |
| 40 | auto jointListProp = skin->joints(); |
| 41 | int count = jointListProp.count(&jointListProp); |
| 42 | const auto positions = m_handTracker->jointPositions(); |
| 43 | const auto rotations = m_handTracker->jointRotations(); |
| 44 | for (int i = 0; i < count; ++i) { |
| 45 | auto *joint = jointListProp.at(&jointListProp, i); |
| 46 | joint->setPosition(positions.at(i)); |
| 47 | joint->setRotation(rotations.at(i)); |
| 48 | } |
| 49 | } else { |
| 50 | static bool warned = false; |
| 51 | if (!warned) { |
| 52 | qWarning() << "No skin available for hand model"; |
| 53 | warned = true; |
| 54 | } |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | void QQuick3DXrHandModel::setupModel() |
| 59 | { |
| 60 | if (m_initialized) { |
| 61 | qWarning() << "XrHandModel does not support changing hand"; |
| 62 | return; |
| 63 | } |
| 64 | QQuick3DXrInputManager *inputMan = QQuick3DXrInputManager::instance(); |
| 65 | if (m_hand == RightHand) |
| 66 | m_handTracker = inputMan->rightHandInput(); |
| 67 | else if (m_hand == LeftHand) |
| 68 | m_handTracker = inputMan->leftHandInput(); |
| 69 | if (!m_handTracker) |
| 70 | return; |
| 71 | |
| 72 | QQuick3DXrInputManagerPrivate::get(inputManager: inputMan)->setupHandModel(this); |
| 73 | |
| 74 | connect(sender: m_handTracker, signal: &QQuick3DXrHandInput::jointDataUpdated, context: this, slot: &QQuick3DXrHandModel::updatePose); |
| 75 | connect(sender: m_handTracker, signal: &QQuick3DXrHandInput::isHandTrackingChanged, context: this, slot: [this](){ |
| 76 | setVisible(m_handTracker->isHandTrackingActive()); |
| 77 | }); |
| 78 | setVisible(m_handTracker->isActive()); |
| 79 | m_initialized = true; |
| 80 | } |
| 81 | |
| 82 | void QQuick3DXrHandModel::componentComplete() |
| 83 | { |
| 84 | setupModel(); |
| 85 | QQuick3DModel::componentComplete(); |
| 86 | } |
| 87 | |
| 88 | /*! |
| 89 | \qmlproperty enumeration XrHandModel::hand |
| 90 | \brief Specifies which hand the model is showing |
| 91 | |
| 92 | \value XrHandModel.LeftHand The left hand. |
| 93 | \value XrHandModel.RightHand The right hand. |
| 94 | \value XrHandModel.Unknown No hand is shown. |
| 95 | |
| 96 | \default XrHandModel.Unknown |
| 97 | |
| 98 | The value of this property is compatible with \l{XrController::controller}{XrController.controller}. |
| 99 | |
| 100 | \warning This property must be set when the XrHandModel is constructed. |
| 101 | Changing hands later is not currently supported. |
| 102 | */ |
| 103 | |
| 104 | QQuick3DXrHandModel::Hand QQuick3DXrHandModel::hand() const |
| 105 | { |
| 106 | return m_hand; |
| 107 | } |
| 108 | |
| 109 | void QQuick3DXrHandModel::setHand(Hand newHand) |
| 110 | { |
| 111 | if (m_hand == newHand) |
| 112 | return; |
| 113 | m_hand = newHand; |
| 114 | emit handChanged(); |
| 115 | } |
| 116 | QT_END_NAMESPACE |
| 117 |