#ifndef CLIENT_RENDER_STRUCT_HH_
#define CLIENT_RENDER_STRUCT_HH_

//#include <client/render/render.hh>
#include <glm/glm.hpp>

namespace client {
namespace render {

const glm::ivec2& get_window_size() noexcept; // forward declaration

// Scale takes the range [0, 1] and represents an amount of the screen.
// Offset is any value that is added after scale.
struct relative_arg {
    glm::vec2 extent;
    glm::vec2 offset;

    glm::vec2 to_vec2() const noexcept {
        const glm::vec2& window = render::get_window_size();
        const float x = this->extent.x * window.x + this->offset.x;
        const float y = this->extent.y * window.y + this->offset.y;
        return {x, y};
    }
};

} // namespace render
} // namespace client

#endif