// author:	Szabolcs Czuczor (BME-IIT)

#include "PhotonMapFilteringRun.h"


/**
 *	@brief: Constructor.
 */
PhotonMapFilteringRun::PhotonMapFilteringRun(Entity* entity, const String& areaMapName, const String& unfilteredPhotonMapName)
{
	this->entity = entity;
	Root* mRoot=Root::getSingletonPtr();
	this->areaMap = TextureManager::getSingleton().load(areaMapName,"PMFTEX");
	this->unfilteredPhotonMap = TextureManager::getSingleton().load(unfilteredPhotonMapName,"PMFTEX");
	this->normalMapPass=new PMFNormalMapPass(mRoot,1024,1024);
	this->photonMapFilteringPass=new PMFFilteringPass(mRoot,1024,1024);
	this->photonMapFilteringPass->changeTexture(areaMap->getName() , 0);
	this->photonMapFilteringPass->changeTexture(unfilteredPhotonMap->getName() , 1);
	this->photonMapFilteringPass->changeTexture(normalMapPass->getRenderTextureName() , 2);
	this->normalMapPass->update();
	this->photonMapFilteringPass->update();
}

/**
 *	@brief: Destructor.
 */
PhotonMapFilteringRun::~PhotonMapFilteringRun()
{
	delete normalMapPass;
	delete photonMapFilteringPass;
}

void PhotonMapFilteringRun::update()
{
	this->normalMapPass->update();
	this->photonMapFilteringPass->update();
}

void PhotonMapFilteringRun::init(float areaCompensation, float normalThreshold)
{
	if (areaCompensation >= 0.0) this->photonMapFilteringPass->setAreaCompensation(areaCompensation);
	if (normalThreshold >= 0.0) this->photonMapFilteringPass->setNormalThreshold(normalThreshold);
}

const String& PhotonMapFilteringRun::getResultTextureName()
{
	return photonMapFilteringPass->getRenderTextureName();
}