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/****************************************************************************
**
** Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
****************************************************************************/
#include "skeleton_p.h"
#include <QCoreApplication>
#include <QFile>
#include <QFileInfo>
#include <Qt3DCore/qjoint.h>
#include <Qt3DRender/private/abstractrenderer_p.h>
#include <Qt3DRender/private/managers_p.h>
#include <Qt3DRender/private/nodemanagers_p.h>
#include <Qt3DRender/private/renderlogging_p.h>
#include <Qt3DCore/private/qskeletoncreatedchange_p.h>
#include <Qt3DCore/private/qskeleton_p.h>
#include <Qt3DCore/private/qskeletonloader_p.h>
#include <Qt3DCore/private/qmath3d_p.h>
QT_BEGIN_NAMESPACE
using namespace Qt3DCore;
namespace Qt3DRender {
namespace Render {
Skeleton::Skeleton()
: BackendNode(Qt3DCore::QBackendNode::ReadWrite)
, m_status(Qt3DCore::QSkeletonLoader::NotReady)
, m_createJoints(false)
, m_dataType(Unknown)
, m_skeletonManager(nullptr)
, m_jointManager(nullptr)
{
}
void Skeleton::cleanup()
{
m_source.clear();
m_status = Qt3DCore::QSkeletonLoader::NotReady;
m_createJoints = false;
m_rootJointId = Qt3DCore::QNodeId();
clearData();
setEnabled(false);
}
void Skeleton::syncFromFrontEnd(const QNode *frontEnd, bool firstTime)
{
BackendNode::syncFromFrontEnd(frontEnd, firstTime);
const QAbstractSkeleton *node = qobject_cast<const QAbstractSkeleton *>(frontEnd);
if (!node)
return;
const QSkeleton *skeletonNode = qobject_cast<const QSkeleton *>(frontEnd);
const QSkeletonLoader *loaderNode = qobject_cast<const QSkeletonLoader *>(frontEnd);
if (firstTime) {
m_skeletonHandle = m_skeletonManager->lookupHandle(peerId());
if (skeletonNode) {
m_dataType = Data;
m_rootJointId = skeletonNode->rootJoint()->id();
if (!m_rootJointId.isNull()) {
markDirty(AbstractRenderer::SkeletonDataDirty);
m_skeletonManager->addDirtySkeleton(SkeletonManager::SkeletonDataDirty, m_skeletonHandle);
}
}
if (loaderNode) {
m_dataType = File;
m_source = loaderNode->source();
if (!m_source.isEmpty()) {
markDirty(AbstractRenderer::SkeletonDataDirty);
m_skeletonManager->addDirtySkeleton(SkeletonManager::SkeletonDataDirty, m_skeletonHandle);
}
}
}
if (loaderNode) {
if (loaderNode->source() != m_source) {
m_source = loaderNode->source();
markDirty(AbstractRenderer::SkeletonDataDirty);
m_skeletonManager->addDirtySkeleton(SkeletonManager::SkeletonDataDirty, m_skeletonHandle);
}
m_createJoints = loaderNode->isCreateJointsEnabled();
auto newJointId = Qt3DCore::qIdForNode(loaderNode->rootJoint());
if (newJointId != m_rootJointId) {
m_rootJointId = newJointId;
// If using a QSkeletonLoader to create frontend QJoints, when those joints are
// set on the skeleton, we end up here. In order to allow the subsequent call
// to loadSkeleton(), see below, to build the internal data from the frontend
// joints rather than from the source url again, we need to change the data type
// to Data.
m_dataType = Data;
// If the joint changes, we need to rebuild our internal SkeletonData and
// the relationships between joints and skeleton. Mark the skeleton data as
// dirty so that we get a loadSkeletonJob executed to process this skeleton.
if (!m_rootJointId.isNull()) {
markDirty(AbstractRenderer::SkeletonDataDirty);
m_skeletonManager->addDirtySkeleton(SkeletonManager::SkeletonDataDirty, m_skeletonHandle);
}
}
}
auto d = Qt3DCore::QAbstractSkeletonPrivate::get(node);
m_skeletonData.localPoses = d->m_localPoses;
}
void Skeleton::setStatus(QSkeletonLoader::Status status)
{
if (status != m_status)
m_status = status;
}
void Skeleton::clearData()
{
m_name.clear();
m_skeletonData.joints.clear();
m_skeletonData.localPoses.clear();
m_skeletonData.jointNames.clear();
m_skeletonData.jointIndices.clear();
}
void Skeleton::setSkeletonData(const SkeletonData &data)
{
m_skeletonData = data;
m_skinningPalette.resize(m_skeletonData.joints.size());
}
// Called from UpdateSkinningPaletteJob
void Skeleton::setLocalPose(HJoint jointHandle, const Qt3DCore::Sqt &localPose)
{
// Find the corresponding index into the JointInfo vector
// and set the local pose
const int jointIndex = m_skeletonData.jointIndices.value(jointHandle, -1);
Q_ASSERT(jointIndex != -1);
m_skeletonData.localPoses[jointIndex] = localPose;
}
QVector<QMatrix4x4> Skeleton::calculateSkinningMatrixPalette()
{
const QVector<Sqt> &localPoses = m_skeletonData.localPoses;
QVector<JointInfo> &joints = m_skeletonData.joints;
for (int i = 0; i < m_skeletonData.joints.size(); ++i) {
// Calculate the global pose of this joint
JointInfo &joint = joints[i];
if (joint.parentIndex == -1) {
joint.globalPose = localPoses[i].toMatrix();
} else {
JointInfo &parentJoint = joints[joint.parentIndex];
joint.globalPose = parentJoint.globalPose * localPoses[i].toMatrix();
}
m_skinningPalette[i] = joint.globalPose * joint.inverseBindPose;
}
return m_skinningPalette;
}
SkeletonFunctor::SkeletonFunctor(AbstractRenderer *renderer,
SkeletonManager *skeletonManager,
JointManager *jointManager)
: m_renderer(renderer)
, m_skeletonManager(skeletonManager)
, m_jointManager(jointManager)
{
}
Qt3DCore::QBackendNode *SkeletonFunctor::create(const Qt3DCore::QNodeCreatedChangeBasePtr &change) const
{
Skeleton *backend = m_skeletonManager->getOrCreateResource(change->subjectId());
backend->setRenderer(m_renderer);
backend->setSkeletonManager(m_skeletonManager);
backend->setJointManager(m_jointManager);
return backend;
}
Qt3DCore::QBackendNode *SkeletonFunctor::get(Qt3DCore::QNodeId id) const
{
return m_skeletonManager->lookupResource(id);
}
void SkeletonFunctor::destroy(Qt3DCore::QNodeId id) const
{
m_skeletonManager->releaseResource(id);
}
} // namespace Render
} // namespace Qt3DRender
QT_END_NAMESPACE
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