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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.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "buildblendtreesjob_p.h"
#include <Qt3DAnimation/private/handler_p.h>
#include <Qt3DAnimation/private/managers_p.h>
#include <Qt3DAnimation/private/clipblendnodevisitor_p.h>
#include <Qt3DAnimation/private/clipblendnode_p.h>
#include <Qt3DAnimation/private/lerpblend_p.h>
QT_BEGIN_NAMESPACE
namespace Qt3DAnimation {
namespace Animation {
BuildBlendTreesJob::BuildBlendTreesJob()
: Qt3DCore::QAspectJob()
{
// TO DO: Add Profiler ID
}
void BuildBlendTreesJob::setBlendedClipAnimators(const QVector<HBlendedClipAnimator> &blendedClipAnimatorHandles)
{
m_blendedClipAnimatorHandles = blendedClipAnimatorHandles;
}
void BuildBlendTreesJob::run()
{
for (const HBlendedClipAnimator blendedClipAnimatorHandle : m_blendedClipAnimatorHandles) {
// Retrive BlendTree node
BlendedClipAnimator *blendClipAnimator = m_handler->blendedClipAnimatorManager()->data(blendedClipAnimatorHandle);
Q_ASSERT(blendClipAnimator);
// TO DO: Add support for tree of blend nodes
// For now assumes only one
const bool canRun = blendClipAnimator->canRun();
m_handler->setBlendedClipAnimatorRunning(blendedClipAnimatorHandle, canRun);
// Check if blend clip can run and if so build blend tree
if (canRun) {
const ChannelMapper *mapper = m_handler->channelMapperManager()->lookupResource(blendClipAnimator->mapperId());
Q_ASSERT(mapper);
ClipBlendNode *node = m_handler->clipBlendNodeManager()->lookupNode(blendClipAnimator->blendTreeRootId());
const Qt3DCore::QNodeIdVector clipIds = node->clipIds();
// There must be 2 clips
if (clipIds.size() != 2) {
qWarning() << "A Blend Tree requires exactly 2 clips";
return;
}
// Retrieve Animation clips
const AnimationClip *clip1 = m_handler->animationClipManager()->lookupResource(clipIds.first());
const AnimationClip *clip2 = m_handler->animationClipManager()->lookupResource(clipIds.last());
// Build mappings for the 2 clips
const QVector<AnimationUtils::MappingData> mappingDataClip1 = AnimationUtils::buildPropertyMappings(m_handler, clip1, mapper);
const QVector<AnimationUtils::MappingData> mappingDataClip2 = AnimationUtils::buildPropertyMappings(m_handler, clip2, mapper);
// We can only blend channels that are in both clips
// If a channel is present in one clip and not the other, we use 100% of its value (no blending)
QVector<AnimationUtils::BlendingMappingData> blendingMappingData;
const int mappingInClip1Size = mappingDataClip1.size();
blendingMappingData.reserve(mappingInClip1Size);
// Find mappings that are in both vectors and build mappingData out of that
for (const AnimationUtils::MappingData &mappingDataInClip1 : mappingDataClip1) {
AnimationUtils::BlendingMappingData mappingData;
mappingData.channelIndicesClip1 = mappingDataInClip1.channelIndices;
mappingData.propertyName = mappingDataInClip1.propertyName;
mappingData.targetId = mappingDataInClip1.targetId;
mappingData.type = mappingDataInClip1.type;
mappingData.blendAction = AnimationUtils::BlendingMappingData::NoBlending;
blendingMappingData.push_back(mappingData);
}
for (const AnimationUtils::MappingData &mappingDataInClip2 : mappingDataClip2) {
bool sharedChannel = false;
for (int i = 0; i < mappingInClip1Size; ++i) {
AnimationUtils::BlendingMappingData &mappingDataInClip1 = blendingMappingData[i];
if ((strcmp(mappingDataInClip1.propertyName, mappingDataInClip2.propertyName) == 0) &&
mappingDataInClip1.targetId == mappingDataInClip2.targetId &&
mappingDataInClip1.type == mappingDataInClip2.type) {
// We have a channel shared in both clips
mappingDataInClip1.channelIndicesClip2 = mappingDataInClip2.channelIndices;
mappingDataInClip1.blendAction = AnimationUtils::BlendingMappingData::ClipBlending;
sharedChannel = true;
break;
}
}
if (!sharedChannel) { // We have a channel defined in only one of the clips
AnimationUtils::BlendingMappingData mappingData;
mappingData.channelIndicesClip2 = mappingDataInClip2.channelIndices;
mappingData.propertyName = mappingDataInClip2.propertyName;
mappingData.targetId = mappingDataInClip2.targetId;
mappingData.type = mappingDataInClip2.type;
mappingData.blendAction = AnimationUtils::BlendingMappingData::NoBlending;
blendingMappingData.push_back(mappingData);
}
}
blendClipAnimator->setMappingData(blendingMappingData);
}
}
}
} // Animation
} // Qt3DAnimation
QT_END_NAMESPACE
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