#pragma once

#include <vector>
#include "Vector.hpp"
#include "Radion.hpp"
#include "RenderStrategy.h"
#include "SubEntity.h"

class Entity
{
	friend class SubEntity;
	friend class DepthRenderStrategy;
	friend class FinalCompositionRenderStrategy;
	D3DXMATRIX	modelWorldTransform;	//!< modeling transform
	D3DXMATRIX	inverseTransposedModelWorldTransform;	//!< IT modeling transform for surface normal transformation

	char name[256];
	char prmFileName[256];
	Mesh* mesh;
	unsigned int nNearClusters;

	std::vector<SubEntity*> subEntities;

	float surfaceArea;
public:
	Entity(Mesh* baseMesh, const char* entityName, const char* prmFileName, const D3DXMATRIX& trafo, int nNearClusters);
	~Entity(void);

	void renderPRM(	std::vector<Radion>& clusterRadions, unsigned int clusterId);
	void normalizePRM();
	void clearPRM();
	void drawAllSubEntities(const RenderStrategy& renderStrategy);
	float getSurfaceArea();

	void findNearClusters(const std::vector<Radion>& starters, unsigned int nClusters);

	void gatherRayTraceEntities(std::vector<Intersectable*>& rayTraceEntities);

	const Material* sampleSurface(Radion& sample);

	void loadPRM();
	void savePRM();

	void saveSceneInfo(std::ofstream& psf);
};