GUI for combat now works better and I can create sprites for things if I want.

raycaster.cpp

@@ -353,7 +353,7 @@ void Raycaster::set_level(GameLevel level) {
       // player doesn't need a sprite
       if(player.entity == ent) return;
       fmt::println("entity {} will have sprite named {}", ent, sprite.name);
-      auto sprite_txt = $textures.sprite_textures.at(sprite.name);
+      auto sprite_txt = $textures.get(sprite.name);
       $sprites.try_emplace(ent, sprite_txt);
   });
 }