bool QPositionNode::eventFilter(QObject* obj, QEvent* event)
{
if( event->type() == QEvent::DynamicPropertyChange )
{
QDynamicPropertyChangeEvent* ev = static_cast<QDynamicPropertyChangeEvent*>(event);
if( ev->propertyName() == "Position" )
{
QVec3f pos = obj->property("Position").value<QVec3f>();
savePosition( pos.X, pos.Y, pos.Z );
obj->setProperty("__AbsoluteTransformation", QVariant::fromValue(QMatrix4f::TransMat( pos.X, pos.Y, pos.Z) ) );
}
if( ev->propertyName() == "Scale" )
{
// No scale allowed
obj->setProperty("Scale", QVariant::fromValue(QVec3f(1, 1, 1)) );
}
// Set absolute transformation to the relative one but don't apply it to the xml data
if( ev->propertyName() == "__RelativeTransformation" )
{
QMatrix4f mat = obj->property("__RelativeTransformation").value<QMatrix4f>();
obj->setProperty("__AbsoluteTransformation", QVariant::fromValue(mat) );
}
}
return QXmlTreeNode::eventFilter(obj, event);
}
void Vec3fProperty::setValue(const QVariant& value)
{
if (value.type() == QVariant::String)
{
QString v = value.toString();
QRegExp rx("([+-]?([0-9]*[\\.])?[0-9]+(e[+-]?[0-9]+)?)");
rx.setCaseSensitivity(Qt::CaseInsensitive);
int count = 0;
int pos = 0;
float x = 0.0f, y = 0.0f, z = 0.0f;
while ((pos = rx.indexIn(v, pos)) != -1)
{
if (count == 0)
x = rx.cap(1).toDouble();
else if (count == 1)
y = rx.cap(1).toDouble();
else if (count == 2)
z = rx.cap(1).toDouble();
else if (count > 2)
break;
++count;
pos += rx.matchedLength();
}
m_x->setProperty("x", x);
m_y->setProperty("y", y);
m_z->setProperty("z", z);
Property::setValue(QVariant::fromValue(QVec3f(x, y, z)));
}
else
Property::setValue(value);
}
QVec3f QSceneNode::scale() const
{
return QVec3f(
roundIt( m_xmlNode.attribute("sx", "1.0").remove('f').toFloat(), 5 ),
roundIt( m_xmlNode.attribute("sy", "1.0").remove('f').toFloat(), 5 ),
roundIt( m_xmlNode.attribute("sz", "1.0").remove('f').toFloat(), 5 ));
}
QVec3f QSceneNode::rotation() const
{
return QVec3f(
roundIt( m_xmlNode.attribute("rx", "0.0").remove('f').toFloat(), 5 ),
roundIt( m_xmlNode.attribute("ry", "0.0").remove('f').toFloat(), 5 ),
roundIt( m_xmlNode.attribute("rz", "0.0").remove('f').toFloat(), 5 ));
}
QVec3f QSceneNode::position() const
{
return QVec3f(
roundIt( m_xmlNode.attribute("tx", "0.0").remove('f').toFloat(), 5 ),
roundIt( m_xmlNode.attribute("ty", "0.0").remove('f').toFloat(), 5 ),
roundIt( m_xmlNode.attribute("tz", "0.0").remove('f').toFloat(), 5 ));
}
QPositionNode::QPositionNode(const QDomElement& xmlNode, int row, QXmlTreeModel* model, QXmlTreeNode* parent) : QXmlTreeNode(xmlNode, row, model, parent),
m_dynamicProperty(false)
{
QString data;
QTextStream stream(&data);
xmlNode.save(stream, 4);
m_entityID = GameEngine::entityWorldID( qPrintable(parent->property("Name").toString()) );
GameEngine::setComponentData(m_entityID, qPrintable( xmlNode.tagName() ), qPrintable(data));
QXmlTreeNode* root = static_cast<AttachmentTreeModel*>(model)->sceneNodeParent();
// If the entity has no position we have to create one for the crowd particle
if( !root->property("Position").isValid() )
{
QVec3f pos( m_xmlNode.attribute("x").toFloat(), m_xmlNode.attribute("y").toFloat(), m_xmlNode.attribute("z").toFloat() );
// Since the parent doesn't have a position yet we create one dynamically (not necessary if the particle is a child of
// an entity created by an attachment of a Horde3D scene graph node )
m_dynamicProperty = true;
root->setProperty( "Position", QVariant::fromValue(pos) );
// We have to add scale too, otherwise the transformation changes in the editor are not possible
root->setProperty( "Scale", QVariant::fromValue( QVec3f(1, 1, 1) ) );
root->installEventFilter(this);
QVariant transProp = root->property("__AbsoluteTransformation");
if( !transProp.isValid() )
{
root->setProperty("__AbsoluteTransformation",
QVariant::fromValue(QMatrix4f::TransMat( pos.X, pos.Y, pos.Z) ) );
root->setProperty("__RelativeTransformation",
QVariant::fromValue(QMatrix4f::TransMat( pos.X, pos.Y, pos.Z) ) );
}
}
else // Remove any position attribute, since the position should be used from the scene node
{
m_xmlNode.removeAttribute("x");
m_xmlNode.removeAttribute("y");
m_xmlNode.removeAttribute("z");
}
}
void Vec3fProperty::setX(float x)
{
Property::setValue(QVariant::fromValue(QVec3f(x, y(), z())));
}
void Vec3fProperty::setZ(float z)
{
Property::setValue(QVariant::fromValue(QVec3f(x(), y(), z)));
}
void Vec3fProperty::setY(float y)
{
Property::setValue(QVariant::fromValue(QVec3f(x(), y, z())));
}
QVec3f QEmitterNode::force() const
{
return QVec3f(m_xmlNode.attribute("forceX").toFloat(), m_xmlNode.attribute("forceY").toFloat(), m_xmlNode.attribute("forceZ").toFloat());
}
