Tiles now record their textures and this is loaded from the map then converted to an indexed integer on the fly.

raycaster.hpp

@@ -21,7 +21,7 @@ struct Raycaster {
   int $pitch=0;
   sf::Clock $clock;
 
-  TexturePack $textures;
+  TexturePack &$textures;
   double $posX = 0;
   double $posY = 0;
 
@@ -48,7 +48,7 @@ struct Raycaster {
   sf::Shader $paused;
   sf::Shader* $active_shader = nullptr;
 
-  Raycaster(sf::RenderWindow& window, Matrix &map, int width, int height);
+  Raycaster(sf::RenderWindow& window, TexturePack &textures, Matrix &map, int width, int height);
 
   void draw_pixel_buffer();
   void clear();