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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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, Nokia gives you certain additional
** rights. These rights are described in the Nokia 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "meshobject.h"
#include "qglview.h"
MeshObject::MeshObject(QGLSceneNode *meshObject, QObject *parent)
: QObject(parent)
{
m_mesh = 0;
m_meshObject = meshObject;
m_scale = 1.0f;
m_rotationAngle = 0.0f;
m_effect = 0;
m_objectId = -1;
m_hovering = false;
m_material = 0;
m_hoverMaterial = 0;
}
MeshObject::MeshObject(QGLAbstractScene *scene, QObject *parent)
: QObject(parent)
{
scene->setParent(this);
m_mesh = 0;
m_meshObject = scene->mainNode();
m_scale = 1.0f;
m_rotationAngle = 0.0f;
m_effect = 0;
m_objectId = -1;
m_hovering = false;
m_material = 0;
m_hoverMaterial = 0;
}
MeshObject::~MeshObject()
{
delete m_mesh;
}
void MeshObject::initialize(QGLView *view, QGLPainter *painter)
{
Q_UNUSED(painter);
if (m_objectId != -1)
view->registerObject(m_objectId, this);
}
void MeshObject::draw(QGLPainter *painter)
{
// Position the model at its designated position, scale, and orientation.
painter->modelViewMatrix().push();
painter->modelViewMatrix().translate(m_position);
if (m_scale != 1.0f)
painter->modelViewMatrix().scale(m_scale);
if (m_rotationAngle != 0.0f)
painter->modelViewMatrix().rotate(m_rotationAngle, m_rotationVector);
// Apply the material and effect to the painter.
QGLMaterial *material;
if (m_hovering)
material = m_hoverMaterial;
else
material = m_material;
painter->setColor(material->diffuseColor());
painter->setFaceMaterial(QGL::AllFaces, material);
if (m_effect)
painter->setUserEffect(m_effect);
else
painter->setStandardEffect(QGL::LitMaterial);
// Mark the object for object picking purposes.
int prevObjectId = painter->objectPickId();
if (m_objectId != -1)
painter->setObjectPickId(m_objectId);
// Draw the geometry mesh.
if (m_meshObject)
m_meshObject->draw(painter);
else
m_mesh->draw(painter);
// Turn off the user effect, if present.
if (m_effect)
painter->setStandardEffect(QGL::LitMaterial);
// Revert to the previous object identifier.
painter->setObjectPickId(prevObjectId);
// Restore the modelview matrix.
painter->modelViewMatrix().pop();
}
bool MeshObject::event(QEvent *e)
{
// Convert the raw event into a signal representing the user's action.
if (e->type() == QEvent::MouseButtonPress) {
QMouseEvent *me = (QMouseEvent *)e;
if (me->button() == Qt::LeftButton)
emit pressed();
} else if (e->type() == QEvent::MouseButtonRelease) {
QMouseEvent *me = (QMouseEvent *)e;
if (me->button() == Qt::LeftButton) {
emit released();
if (me->x() >= 0) // Positive: inside object, Negative: outside.
emit clicked();
}
} else if (e->type() == QEvent::MouseButtonDblClick) {
emit doubleClicked();
} else if (e->type() == QEvent::Enter) {
m_hovering = true;
emit hoverChanged();
} else if (e->type() == QEvent::Leave) {
m_hovering = false;
emit hoverChanged();
}
return QObject::event(e);
}
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