Cereal works pretty well so I may use it, but there's one more library I want to try first called tser.

map.hpp

@@ -11,11 +11,6 @@
 #define INV_SPACE 1
 #define WALL_VALUE 1
 #define SPACE_VALUE 0
-#define WALL_TILE "█"
-#define FLOOR_TILE "\u2849"
-#define PLAYER_TILE "♣"
-#define ENEMY_TILE "Ω"
-#define BG_TILE L'█'
 
 struct Room {
   size_t x = 0;