File: lightingday.cpp

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#include "lightingday.hpp"

#include <osg/Group>
#include <osg/Light>
#include <osg/LightSource>
#include <osg/ref_ptr>

void CSVRender::LightingDay::activate(osg::Group* rootNode, bool /*isExterior*/)
{
    mRootNode = rootNode;

    mLightSource = new osg::LightSource;

    osg::ref_ptr<osg::Light> light(new osg::Light);
    light->setPosition(osg::Vec4f(0.f, 0.f, 1.f, 0.f));
    light->setAmbient(osg::Vec4f(0.f, 0.f, 0.f, 1.f));
    light->setDiffuse(osg::Vec4f(1.f, 1.f, 1.f, 1.f));
    light->setSpecular(osg::Vec4f(0.f, 0.f, 0.f, 0.f));
    light->setConstantAttenuation(1.f);

    mLightSource->setLight(light);
    mRootNode->addChild(mLightSource);

    updateDayNightMode(0);
}

void CSVRender::LightingDay::deactivate()
{
    if (mRootNode && mLightSource.get())
        mRootNode->removeChild(mLightSource);
}

osg::Vec4f CSVRender::LightingDay::getAmbientColour(osg::Vec4f* defaultAmbient)
{
    if (defaultAmbient)
        return *defaultAmbient;
    else
        return osg::Vec4f(0.7f, 0.7f, 0.7f, 1.f);
}