Renderer.hpp

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#pragma once

#include "Engine/api.hpp"
#include "Engine/Model/Model.hpp"
#include "Engine/Utility/Event.hpp"
#include "Engine/Utility/Defines.hpp"
#include <ThirdParty/glm/glm/glm.hpp>
#include <ThirdParty/EASTL-master/include/EASTL/shared_ptr.h>

namespace Engine
{
    class ENGINE_API Renderer
    {
    private:
        friend class Engine;
#ifdef USING_OPENGL
        friend class OpenGLRenderer;
#endif
#ifdef USING_VULKAN
        friend class VulkanRenderer;
#endif

        Renderer() noexcept;
        Renderer(Renderer const &other) = default;
        Renderer(Renderer &&other) noexcept = default;
        virtual ~Renderer() noexcept = default;
    public:

        //Should probably add the Shader reference for vertex and fragment to this, so they can be sent to the GPU
        //Possibly also want to add an Entity reference, so you could send it's data (mesh and texture) to the GPU as well.
        //At least that's how it worked in OpenGL
        virtual void RendererBegin();
        virtual void RendererBegin(const glm::mat4x4& view, const glm::mat4x4& projection);

        //Used to render the selected Shader & Entity combination defined in RendererBegin()
        virtual void Render();
        virtual void Render(const glm::mat4x4& modelMatrix, eastl::shared_ptr<Model> model, const glm::vec4& mainColor = glm::vec4(1, 1, 1, 1));

        //Used to unbind the current selected Shader & Entity combination defined in RendererBegin()
        virtual void RendererEnd();

        Sharp::Event<void> OnRender;
    };
} //namespace Engine