//	author:	Barnabas Aszodi (BME-IIT)

#include "Ogre.h"
#include "OgreEffectWrapper.h"
#include "ManagedOgreRenderTexturePass.h"
#include "PreComputingRun.h"

#include "CAURenderColorDistanceCubeMapPass.h"
#include "CAURenderUVCubeMapPass.h"
#include "CAURenderPhotonUVMapPass.h"
#include "CAURenderUmbraPass.h"
#include "CAURenderPhotonHitMapPass.h"
#include "CAURenderRefractObjectMapPass.h"

#include "CausticMapRun.h"


CausticMapRun::CausticMapRun( Entity* entity, unsigned int width, unsigned int height)
{
	Root* mRoot = Root::getSingletonPtr();
	OgreAssert(mRoot!=NULL," NULL pointer found "); 

	this->entity = entity;

	// CubeMap
	this->cAURenderColorDistanceCubeMapPass =
		new CAURenderColorDistanceCubeMapPass( mRoot,"CubeMapColorDistanceTexture",512,512,TEX_TYPE_CUBE_MAP,PF_FLOAT32_RGBA ); 
	// CubeMap
	this->cAURenderUVCubeMapPass =
		new CAURenderUVCubeMapPass( mRoot,"CubeMapUVTexture",512,512,TEX_TYPE_CUBE_MAP,PF_FLOAT32_RGBA ); 

	this->cAURenderPhotonUVMapPass = 
		new CAURenderPhotonUVMapPass(mRoot,"PhotonUVMapTexture",512,512,TEX_TYPE_2D,PF_FLOAT32_RGBA);

	// Uses the other Pass created texture
	cAURenderPhotonUVMapPass->changeTexture(cAURenderUVCubeMapPass->getRenderTextureName(),0);


	
	this->cAURenderUmbraPass = 
		new CAURenderUmbraPass(mRoot,"CubeMapLastTexture",512,512,TEX_TYPE_2D,PF_FLOAT32_RGBA);

	// Use the same texture (CubeMapLastTexture)
	this->cAURenderPhotonHitMapPass =
		new CAURenderPhotonHitMapPass(mRoot);

	// Use the same texture (CubeMapLastTexture)
	this->cAURenderRefractObjectMapPass = 
		new CAURenderRefractObjectMapPass(mRoot);

	//g_pCubeMapTexture = TextureManager::getSingleton().load( cubeMapTexturePath,"Caustics");
	//g_pPowerOfSnipetTexelTexture = TextureManager::getSingleton().load( cubeMapTexturePath,"Caustics");
	//this->cAURenderPhotonHitMapPass->addRenderTarget(renderCubeMapLastPass->getRenderTexture());
	//this->CubeMapLastPass=new CubeMapLastPass(CubeMapLastTextureNames,mRoot,"NO_RENDER_TARGET",1,1);
	//TexturePtr fileTexture=TextureManager::getSingleton().load();
	//cAURenderPhotonUVMapPass->changeTexture(fileTexture->getName(),1);
}

void CausticMapRun::update()
{
	cAURenderPhotonUVMapPass->update();
	cAURenderUmbraPass->update();
	cAURenderPhotonHitMapPass->update();
	cAURenderRefractObjectMapPass->update();
}

void CausticMapRun::init()
{
	// Run just once
	for( int i = 0; i< 6; i++ )
	{
		cAURenderColorDistanceCubeMapPass->clearRenderTargets();
		cAURenderColorDistanceCubeMapPass->addRenderTarget(cAURenderColorDistanceCubeMapPass->getRenderTexture(),(CubeMapFaces)i);
		cAURenderColorDistanceCubeMapPass->update();
		cAURenderUVCubeMapPass->clearRenderTargets();
		cAURenderUVCubeMapPass->addRenderTarget(cAURenderUVCubeMapPass->getRenderTexture(),(CubeMapFaces)i);
		cAURenderUVCubeMapPass->update();
	}
}

const String& CausticMapRun::getResultTextureName()
	{
		return cAURenderPhotonHitMapPass->getMaterialName();
	}

CausticMapRun::~CausticMapRun()
{
	SAFE_DELETE(cAURenderColorDistanceCubeMapPass);
	SAFE_DELETE(cAURenderUVCubeMapPass);
	SAFE_DELETE(cAURenderPhotonUVMapPass);
	SAFE_DELETE(cAURenderUmbraPass);
	SAFE_DELETE(cAURenderPhotonHitMapPass);
	SAFE_DELETE(cAURenderRefractObjectMapPass);
}