material.hpp

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#pragma once
 
#include "../defaults.hpp"
 
#include "texture.hpp"
#include "shader.hpp"
 
#include <variant>
#include <unordered_map>
#include <glm/glm.hpp>
 
namespace Engine::Graphics {
    using UniformValue = std::variant<
        int,
        float,
        bool,
        glm::vec2,
        glm::vec3,
        glm::vec4,
        glm::mat4
    >;

    class Material {
        private:
            std::unordered_map<std::string, UniformValue> mUniforms;
 
        public:
            Shader* shader;
            Texture* texture;
            glm::vec4 color = {1.0f, 1.0f, 1.0f, 1.0f};

            Material(Texture* texture = Defaults::texture, Shader* shader = Defaults::shader);
            
            void SetUniform(const std::string& name, const UniformValue& value);

            UniformValue GetUniform(const std::string& name) const;

            void Bind() const;
    };
}