#pragma once
#include "material.hpp"

/*!
\brief A Material that can be assigned to an Intersectable (typically a TriangleMesh), and contains a texture.
The texture must be square (equal height and width), 32bpp, BGRA.
*/
class TexturedMaterial :
	public Material
{
	unsigned char* pdata;
	int pitch;
	int imageSize;
public:
	/*!
		\brief Constructor.
		\param pdata pointer to the memory containing the image
		\param pitch Number of bytes in a row. (Containg padding zeros, if any.)
		\param textureSize Width and height in pixels. (Width and height must be equal.)
	*/
	TexturedMaterial(void* pdata, int pitch, int textureSize);
	~TexturedMaterial(void);
	Vector getTextureDiffuseBrdf(const Vector& atPoint) const;
	Vector getTextureIdealBrdf(const Vector& atPoint) const;
	float getTextureDiffuseAlbedo(const Vector& uv) const;
	float getTextureIdealAlbedo(const Vector& uv) const;
};