MatteOpaque.h

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#pragma once
 
#include "Actor/Material/SurfaceMaterial.h"
#include "Actor/Image/Image.h"
#include "Math/math_fwd.h"
#include "SDL/sdl_interface.h"
 
#include <memory>
 
namespace ph
{
 
class MatteOpaque : public SurfaceMaterial
{
public:
    void genSurface(const CookingContext& ctx, SurfaceBehavior& behavior) const override;
 
    void setAlbedo(const math::Vector3R& albedo);
 
    void setAlbedo(const real r, const real g, const real b);
 
    void setAlbedo(std::shared_ptr<Image> albedo);
 
private:
    static std::shared_ptr<Image> makeConstantAlbedo(const math::Vector3R& albedo);
 
    std::shared_ptr<Image> m_albedo;
    std::shared_ptr<Image> m_sigmaDegrees;
 
public:
    PH_DEFINE_SDL_CLASS(TSdlOwnerClass<MatteOpaque>)
    {
        ClassType clazz("matte-opaque");
        clazz.docName("Matte Opaque Material");
        clazz.description("A material model for surfaces with matte look, such as chalk and moon.");
        clazz.baseOn<SurfaceMaterial>();
 
        TSdlReference<Image, OwnerType> albedo("albedo", &OwnerType::m_albedo);
        albedo.description("An image or constant color that will be used for describing albedo.");
        clazz.addField(albedo);
 
        TSdlReference<Image, OwnerType> sigmaDegrees("sigma-degrees", &OwnerType::m_sigmaDegrees);
        sigmaDegrees.description("Roughness in standard deviation of surface orientation (unit: degrees).");
        sigmaDegrees.optional();
        clazz.addField(sigmaDegrees);
 
        return clazz;
    }
};
 
}// end namespace ph