// https://dataswamp.org/~incal/bad-el/src/bad-sdl2/bad-sdl2.h

#pragma once

#include <emacs-module.h>
#include <SDL2/SDL.h>

#define unset -1

// lines

#define lines 30
typedef struct {
  SDL_mutex*   mtx;
  char*        str;
  SDL_Surface* sur;
  int          new;
  int          old;
} LineMeta;

// init

emacs_value draw_init  (emacs_env*, ptrdiff_t, emacs_value*, void*);
void        cube_init  (bool);
void        font_init  ();
void        thr_init   ();
void        thr_quit   ();
void        video_init ();

// quit

emacs_value draw_quit  (emacs_env*, ptrdiff_t, emacs_value*, void*);
void        cube_quit  ();
void        font_quit  ();
void        video_quit ();

// cube

int  clear_cache       (void*);
void find_create_store (const char*, SDL_Rect);
void hash_coords       (const char*, uint8_t*, uint8_t*, uint8_t*);

// draw

emacs_value draw_frame    (emacs_env*, ptrdiff_t, emacs_value*, void*);
int         thr_main      (void*);
void        clear_screen  ();
void        draw_planet   (int, int, int);
void        draw_text     (const char*);
int         get_data_draw (void*);

// rect
void draw_rect_test ();
void draw_rect      (int, int, int, int);

// helpers

char* my_strdup (const char*);