Material.h

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#pragma once
#include <memory>
#include <unordered_map>
#include <string>
 
#include <glm/vec3.hpp>
 
namespace eng
{
    class ShaderProgram;
    class Texture;
 
    class Material
    {
    public:
        void SetShaderProgram(const std::shared_ptr<ShaderProgram>& shaderProgram);
        ShaderProgram* GetShaderProgram();
        void SetParam(const std::string& name, float value);
        void SetParam(const std::string& name, float v0, float v1);
        void SetParam(const std::string& name, const glm::vec3& value);
        void SetParam(const std::string& name, const std::shared_ptr<Texture>& texture);
        void Bind();
 
        static std::shared_ptr<Material> Load(const std::string& path);
 
    private:
        std::shared_ptr<ShaderProgram> m_shaderProgram;
        std::unordered_map<std::string, float> m_floatParams;
        std::unordered_map<std::string, std::pair<float, float>> m_float2Params;
        std::unordered_map<std::string, glm::vec3> m_float3Params;
        std::unordered_map<std::string, std::shared_ptr<Texture>> m_textures;
    };
}