uirenderer.hpp

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#pragma once
 
#include "../app.hpp"
#include "../ecs/system.hpp"
 
#include "../scene/transform.hpp"
#include "../ui/text.hpp"
#include "../ui/element.hpp"
#include "../ui/action.hpp"
 
namespace Engine::Render {
    class UIRenderer : public ECS::System {
        private:
            GLuint mTextVAO, mTextVBO;
            GLuint mElementVAO, mElementVBO;
 
            glm::vec2 GetTransformedPosition(UI::Text text, Scene::Transform transform);
            bool IsPointInside(glm::vec2 point, glm::vec2 targetPosition, glm::vec2 targetSize);
 
            void PrintText(UI::Text text, Scene::Transform transform, glm::mat4 projection);
            void DrawElement(UI::Element element, Scene::Transform transform, glm::mat4 projection);
 
        public:
            UIRenderer();
            ~UIRenderer();

            void OnUpdate(float dt) override;
            void OnUIRender() override;
    };
}