#pragma once

#include "dvc_config.h"
#include "shader/dvc_shader_interface.h"

class ClassicFragementShader_Phong : public davinci::FragementShaderInterface
{
public:
	virtual const char* getName(void) const;

	virtual bool begin(const davinci::RenderPipe* pipe, davinci::MaterialConstPtr material, const davinci::VertexDesc& veretexDesc) override;
	virtual void process(const float32_t* pixelData, davinci::fVector4& color) override;
	virtual void end() override;

private:
	const davinci::RenderPipe* m_pipe = nullptr;
	davinci::fVector4 m_materialColor = davinci::fVector4::WHITE;
	float32_t m_specularShininess = 64.0f;
	float32_t m_specularStrength = 5.0f;

	davinci::fVector3 m_ambientLightColor = davinci::fVector3(0.2f, 0.2f, 0.2f);
	davinci::fVector3 m_light0Position;
	davinci::fVector3 m_light0Color;
	davinci::fVector3 m_cameraPosition;

	size_t m_vWorldPosOffset;
	size_t m_vNormalOffset;
};