Node::NodeSP SceneLoader::_LoadLight(const QDomElement& og_component, Node::NodeSP dt_node)
{
Node::NodeSP node = dt_node;
if(!og_component.isNull())
{
QString name = og_component.attribute(SL_NAME);
if(node == nullptr)
{
node = mScene->addChildNode(new Node(name + "_node"));
QDomElement pos = og_component.firstChildElement(SL_POS);
QDomElement dir = og_component.firstChildElement(SL_DIRECTION);
node->setPosition(pos.attribute(SL_X).toFloat(), pos.attribute(SL_Y).toFloat(),
pos.attribute(SL_Z).toFloat());
node->setDirection(Ogre::Vector3(dir.attribute(SL_X).toFloat(), dir.attribute(SL_Y).toFloat(),
dir.attribute(SL_Z).toFloat()));
}
node->addComponent<LightComponent>(new LightComponent(name))->setCastShadows(
og_component.attribute(SL_CAST_SHADOWS).toInt());
}
return node;
}
Node::NodeSP SceneLoader::__loadLight(const QDomElement& og_component, Node::NodeSP dt_node)
{
Node::NodeSP node = dt_node;
if ( !og_component.isNull() )
{
QString name = og_component.attribute(SL_NAME);
if ( node == nullptr )
{
node = mScene->addChildNode(new Node(name + "_node"));
QDomElement pos = og_component.firstChildElement(SL_POS);
QDomElement dir = og_component.firstChildElement(SL_LIGHT_DIRECTION);
node->setPosition(pos.attribute(SL_X).toFloat(), pos.attribute(SL_Y).toFloat(),
pos.attribute(SL_Z).toFloat());
node->setDirection(Ogre::Vector3(dir.attribute(SL_X).toFloat(),
dir.attribute(SL_Y).toFloat(), dir.attribute(SL_Z).toFloat()));
}
//add light component
auto light = node->addComponent<LightComponent>(new LightComponent(name));
auto og_light = light->getOgreLight();
QDomElement colour_diffuse = og_component.firstChildElement(SL_LIGHT_DIFFUSE);
QDomElement colour_specular = og_component.firstChildElement(SL_LIGHT_SPECULAR);
QDomElement light_attenuation = og_component.firstChildElement(SL_LIGHT_ATTENUATION);
//set light attributes
og_light->setDiffuseColour(colour_diffuse.attribute(SL_COLOUR_R).toFloat(),
colour_diffuse.attribute(SL_COLOUR_G).toFloat(),
colour_diffuse.attribute(SL_COLOUR_B).toFloat());
og_light->setSpecularColour(colour_specular.attribute(SL_COLOUR_R).toFloat(),
colour_specular.attribute(SL_COLOUR_G).toFloat(),
colour_specular.attribute(SL_COLOUR_B).toFloat());
og_light->setAttenuation(light_attenuation.attribute(SL_LIGHT_ATTENUATION_RANGE).toFloat(),
light_attenuation.attribute(SL_LIGHT_ATTENUATION_CONSTANT).toFloat(),
light_attenuation.attribute(SL_LIGHT_ATTENUATION_LINEAR).toFloat(),
light_attenuation.attribute(SL_LIGHT_ATTENUATION_QUADRATIC).toFloat());
QString light_type = og_component.attribute(SL_LIGHT_TYPE);
if ( light_type == SL_LIGHT_TYPE_POINT )
{
og_light->setType(Ogre::Light::LT_POINT);
}
else if ( light_type == SL_LIGHT_TYPE_DIRECTIONAL )
{
og_light->setType(Ogre::Light::LT_DIRECTIONAL);
}
else if ( light_type == SL_LIGHT_TYPE_SPOT )
{
og_light->setType(Ogre::Light::LT_SPOTLIGHT);
QDomElement light_range = og_component.firstChildElement(SL_LIGHT_RANGE);
og_light->setSpotlightRange(Ogre::Radian(light_range.attribute(SL_LIGHT_RANGE_INNER).toFloat()),
Ogre::Radian(light_range.attribute(SL_LIGHT_RANGE_OUTER).toFloat()),
light_range.attribute(SL_LIGHT_RANGE_FALLOFF).toFloat());
}
QString cast_shadows = og_component.attribute(SL_CAST_SHADOWS);
if ( cast_shadows == SL_TRUE )
{
light->setCastShadows(true);
}
else if ( cast_shadows == SL_FALSE )
{
light->setCastShadows(false);
}
light->enable();
}
return node;
}