trying to debug, additional rewrites

platform/sdl/sdl_context.h

@@ -0,0 +1,55 @@
+#pragma once
+
+#include <memory>
+#include <optional>
+#include <SDL2/SDL.h>
+#include <mouse.h>
+
+class SDLContext {
+public:
+
+    SDLContext();
+
+    enum DisplayMode {
+        native_window,
+        double_window,
+        fullscreen
+    };
+
+
+    void init_screen(DisplayMode mode, const char *title);
+
+    void close_screen();
+
+
+    uint16_t *get_surface_addr();
+    int32_t get_surface_pitch();
+
+
+    void pool_events();
+
+    void present_rect(uint16_t *pixels, unsigned int pitch, unsigned int x, unsigned int y, unsigned int xs,unsigned ys);
+
+protected:
+
+    struct SDL_Deleter {
+        void operator()(SDL_Window *);
+        void operator()(SDL_Renderer *);
+        void operator()(SDL_Surface *);
+        void operator()(SDL_Texture *);
+    };
+
+    MS_EVENT ms_event;
+
+    std::unique_ptr<SDL_Window, SDL_Deleter> _window;
+    std::unique_ptr<SDL_Renderer, SDL_Deleter> _renderer;
+    std::unique_ptr<SDL_Surface, SDL_Deleter> _surface;
+    std::unique_ptr<SDL_Texture, SDL_Deleter> _texture;
+
+    std::optional<SDL_TimerID> _active_timer;
+    Uint32 _timer_event = 0;
+
+    bool _quit_requested = false;
+    bool _fullscreen_mode = false;
+    void charge_timer();
+};