Water::Water(osg::Group *parent, osg::Group* sceneRoot, Resource::ResourceSystem *resourceSystem, osgUtil::IncrementalCompileOperation *ico,
const Fallback::Map* fallback, const std::string& resourcePath)
: mParent(parent)
, mSceneRoot(sceneRoot)
, mResourceSystem(resourceSystem)
, mFallback(fallback)
, mResourcePath(resourcePath)
, mEnabled(true)
, mToggled(true)
, mTop(0)
{
mSimulation.reset(new RippleSimulation(parent, resourceSystem, fallback));
mWaterGeom = SceneUtil::createWaterGeometry(CELL_SIZE*150, 40, 900);
mWaterGeom->setDrawCallback(new DepthClampCallback);
mWaterGeom->setNodeMask(Mask_Water);
if (ico)
ico->add(mWaterGeom);
mWaterNode = new osg::PositionAttitudeTransform;
mWaterNode->setName("Water Root");
mWaterNode->addChild(mWaterGeom);
mWaterNode->addCullCallback(new FudgeCallback);
// simple water fallback for the local map
osg::ref_ptr<osg::Geometry> geom2 (osg::clone(mWaterGeom.get(), osg::CopyOp::DEEP_COPY_NODES));
createSimpleWaterStateSet(geom2, mFallback->getFallbackFloat("Water_Map_Alpha"));
geom2->setNodeMask(Mask_SimpleWater);
mWaterNode->addChild(geom2);
mSceneRoot->addChild(mWaterNode);
setHeight(mTop);
mRainIntensityUniform = new osg::Uniform("rainIntensity",(float) 0.0);
updateWaterMaterial();
}
void Water::updateWaterMaterial()
{
if (mReflection)
{
mReflection->removeChildren(0, mReflection->getNumChildren());
mParent->removeChild(mReflection);
mReflection = NULL;
}
if (mRefraction)
{
mRefraction->removeChildren(0, mRefraction->getNumChildren());
mParent->removeChild(mRefraction);
mRefraction = NULL;
}
if (Settings::Manager::getBool("shader", "Water"))
{
mReflection = new Reflection;
mReflection->setWaterLevel(mTop);
mReflection->setScene(mSceneRoot);
mParent->addChild(mReflection);
if (Settings::Manager::getBool("refraction", "Water"))
{
mRefraction = new Refraction;
mRefraction->setWaterLevel(mTop);
mRefraction->setScene(mSceneRoot);
mParent->addChild(mRefraction);
}
createShaderWaterStateSet(mWaterGeom, mReflection, mRefraction);
}
else
createSimpleWaterStateSet(mWaterGeom, mFallback->getFallbackFloat("Water_World_Alpha"));
updateVisible();
}
