Material.h

// Copyright 2022 ShenMian
// License(Apache-2.0)
 
#pragma once
 
#include "Texture.h"
#include <string>
 
struct Material
{
    struct PBR
    {
        enum Workflow : int
        {
            MetallicRoughness  = 0,
            SpecularGlossiness = 1
        };
 
        std::shared_ptr<Texture> albedo;
        std::shared_ptr<Texture> normals;   
        std::shared_ptr<Texture> metallic;  
        std::shared_ptr<Texture> roughness; 
        std::shared_ptr<Texture> emissive;
        std::shared_ptr<Texture> occlusion; 
 
        float albedoFactor    = 1.0f;
        float metallicFactor  = 1.0f;
        float roughnessFactor = 1.0f;
        float emissiveFactor  = 1.0f;
        float occlusionFactor = 1.0f;
 
        Workflow workflow;
    };
 
    std::string name;
 
    PBR pbr;
 
    std::shared_ptr<Texture> diffuse;  
    std::shared_ptr<Texture> specular; 
    std::shared_ptr<Texture> ambient;  
    std::shared_ptr<Texture> emissive;
    std::shared_ptr<Texture> height;
    std::shared_ptr<Texture> normals;   
    std::shared_ptr<Texture> shininess; 
    std::shared_ptr<Texture> opacity;
};