Light.hpp

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#pragma once

#include <etk/types.hpp>
#include <etk/math/Vector3D.hpp>
#include <etk/math/Vector4D.hpp>
#include <gale/resource/Program.hpp>

namespace ege {
    class Light {
        private:
            // values
            vec3 m_direction;
            vec3 m_halfplane;
            vec4 m_ambientColor;
            vec4 m_diffuseColor;
            vec4 m_specularColor;
        private:
            // GL index
            int32_t m_GL_direction;
            int32_t m_GL_halfplane;
            int32_t m_GL_ambientColor;
            int32_t m_GL_diffuseColor;
            int32_t m_GL_specularColor;
        public:
            Light();
            ~Light();
            void link(ememory::SharedPtr<gale::resource::Program> _prog, const std::string& _baseName);
            void draw(ememory::SharedPtr<gale::resource::Program> _prog);
            void setDirection(const vec3& val) {
                m_direction = val;
            }
            void setHalfPlane(const vec3& val) {
                m_halfplane = val;
            }
            void setAmbientColor(const vec4& val) {
                m_ambientColor = val;
            }
            void setDiffuseColor(const vec4& val) {
                m_diffuseColor = val;
            }
            void setSpecularColor(const vec4& val) {
                m_specularColor = val;
            }
            
        friend std::ostream& operator <<(std::ostream& _os, const ege::Light& _obj);
    };
    std::ostream& operator <<(std::ostream& _os, const ege::Light& _obj);
}