renderer.h

Go to the documentation of this file.

#pragma once
 
#include <engine/core/iEngineService.h>
#include <engine/core/rendering/renderable.h>
#include <engine/core/rendering/rendererFlags.h>
#include <engine/core/rendering/window.h>
#include <engine/public/gameObject.h>
 
#include <map>
#include <memory>
 
class SDL_Renderer;  // NOLINT
class SDL_Window;    // NOLINT
 
using SdlRendererPtr = std::unique_ptr<SDL_Renderer, void (*)(SDL_Renderer*)>;
using SdlWindowPtr = std::unique_ptr<SDL_Window, void (*)(SDL_Window*)>;
 
class Renderer final : public IEngineService {
 private:
  friend class RenderingManager;
  friend class AssetService;
  friend class SdlStrategyFactory;
 
  SdlRendererPtr sdl_renderer_;
  SdlWindowPtr sdl_window_;
  // I tried just storing a Window& here, but that caused issues because the can
  // never be a proper init value...
  std::optional<Window> window_;
 
  bool vsync_enabled_{false};
 
 public:
  explicit Renderer();
  explicit Renderer(int min_aspect_width, int min_aspect_height,
                    const std::string& title, RendererFlags flags);
 
  void render(
      const std::map<
          int, std::multimap<int, std::reference_wrapper<Renderable>>>& objects,
      const Scene& scene);
 
  [[nodiscard]] bool vsync() const;
 
  void vsync(bool enabled);
 
  void clear() const;
  Window& window();
};