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/****************************************************************************
**
** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 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 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QT3D_RENDER_RENDERNODE_H
#define QT3D_RENDER_RENDERNODE_H
#include <Qt3DRenderer/private/renderer_p.h>
#include <Qt3DRenderer/private/handle_types_p.h>
#include <Qt3DCore/qbackendnode.h>
#include <Qt3DCore/qhandle.h>
#include <QVector>
#include <QUuid>
QT_BEGIN_NAMESPACE
class QMatrix4x4;
namespace Qt3D {
class QRenderAspect;
class Sphere;
class QNode;
class QEntity;
class QComponent;
namespace Render {
class Renderer;
class RenderEntity : public QBackendNode
{
public:
RenderEntity();
~RenderEntity();
void cleanup();
void setParentHandle(HEntity parentHandle);
void setRenderer(Renderer *renderer);
void sceneChangeEvent(const QSceneChangePtr &e) Q_DECL_OVERRIDE;
void updateFromPeer(QNode *peer) Q_DECL_OVERRIDE;
void dump() const;
void setHandle(HEntity handle);
HEntity handle() const { return m_handle; }
RenderEntity *parent() const;
HEntity parentHandle() const { return m_parentHandle; }
void appendChildHandle(HEntity childHandle);
void removeChildHandle(HEntity childHandle);
QVector<HEntity> childrenHandles() const { return m_childrenHandles; }
QVector<RenderEntity *> children() const;
QMatrix4x4 *worldTransform();
Sphere *localBoundingVolume() { return m_localBoundingVolume; }
Sphere *worldBoundingVolume() { return m_worldBoundingVolume; }
void addComponent(QComponent *component);
void removeComponent(QComponent *component);
template<class Backend, int INDEXBITS>
QHandle<Backend, INDEXBITS> componentHandle() const
{
return QHandle<Backend, INDEXBITS>();
}
template<class Backend>
Backend* renderComponent() const
{
return Q_NULLPTR;
}
template<class Backend>
QUuid componentUuid() const
{
return QUuid();
}
template<class Backend>
QList<QUuid> componentUuidInTree() const
{
QList<QUuid> componentList;
QUuid componentId = componentUuid<Backend>();
if (!componentId.isNull())
componentList.append(componentId);
Q_FOREACH (RenderEntity *child, children())
componentList.append(child->componentUuidInTree<Backend>());
return componentList;
}
template<class Backend, int INDEXBITS>
QList<QHandle<Backend, INDEXBITS> > componentHandlesInTree() const
{
QList<QHandle<Backend, INDEXBITS> > handles;
QHandle<Backend, INDEXBITS> h = componentHandle<Backend, INDEXBITS>();
if (!h.isNull())
handles.append(h);
Q_FOREACH (RenderEntity *child, children())
handles.append(child->componentHandlesInTree<Backend, INDEXBITS>());
return handles;
}
template<class Backend>
QList<Backend *> renderComponentsInTree() const
{
QList<Backend *> components;
Backend *component = renderComponent<Backend>();
if (component != Q_NULLPTR)
components.append(component);
Q_FOREACH (RenderEntity *child, children())
components.append(child->renderComponentsInTree<Backend>());
return components;
}
private:
template<class Frontend, class Backend, class Manager>
void createRenderComponentHelper(Frontend *frontend, Manager *manager)
{
// We index using the Frontend uuid
if (!manager->contains(frontend->uuid())) {
Backend *backend = manager->getOrCreateResource(frontend->uuid());
backend->setRenderer(m_renderer);
backend->setPeer(frontend);
}
}
Renderer *m_renderer;
HEntity m_handle;
HEntity m_parentHandle;
QVector<HEntity > m_childrenHandles;
HMatrix m_worldTransform;
Sphere *m_localBoundingVolume;
Sphere *m_worldBoundingVolume;
// Handles to Components
QUuid m_transformComponent;
QUuid m_meshComponent;
QUuid m_materialComponent;
QUuid m_layerComponent;
QUuid m_lightComponent;
QUuid m_cameraComponent;
QString m_objectName;
};
template<>
HMesh RenderEntity::componentHandle<RenderMesh>() const;
template<>
RenderMesh *RenderEntity::renderComponent<RenderMesh>() const;
template<>
HMaterial RenderEntity::componentHandle<RenderMaterial>() const;
template<>
RenderMaterial *RenderEntity::renderComponent<RenderMaterial>() const;
template<>
HLayer RenderEntity::componentHandle<RenderLayer>() const;
template<>
RenderLayer *RenderEntity::renderComponent<RenderLayer>() const;
template<>
HLight RenderEntity::componentHandle<RenderLight>() const;
template<>
RenderLight *RenderEntity::renderComponent<RenderLight>() const;
template<>
HCamera RenderEntity::componentHandle<RenderCameraLens>() const;
template<>
RenderCameraLens *RenderEntity::renderComponent<RenderCameraLens>() const;
template<>
HTransform RenderEntity::componentHandle<RenderTransform>() const;
template<>
RenderTransform *RenderEntity::renderComponent<RenderTransform>() const;
template<>
QUuid RenderEntity::componentUuid<RenderTransform>() const;
template<>
QUuid RenderEntity::componentUuid<RenderCameraLens>() const;
template<>
QUuid RenderEntity::componentUuid<RenderLayer>() const;
template<>
QUuid RenderEntity::componentUuid<RenderMaterial>() const;
template<>
QUuid RenderEntity::componentUuid<RenderLight>() const;
template<>
QUuid RenderEntity::componentUuid<RenderMesh>() const;
class RenderEntityFunctor : public QBackendNodeFunctor
{
public:
explicit RenderEntityFunctor(Renderer *renderer);
QBackendNode *create(QNode *frontend) const Q_DECL_OVERRIDE;
QBackendNode *get(QNode *frontend) const Q_DECL_OVERRIDE;
void destroy(QNode *frontend) const Q_DECL_OVERRIDE;
private:
Renderer *m_renderer;
};
} // namespace Render
} // namespace Qt3D
QT_END_NAMESPACE
#endif // QT3D_RENDER_RENDERNODE_H
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