Closer to what I want for sprite loading but still needs more work.

texture.hpp

@@ -4,6 +4,7 @@
 #include <vector>
 #include <string>
 #include <SFML/Graphics.hpp>
+#include <unordered_map>
 
 struct Sprite {
   double x;
@@ -11,20 +12,25 @@ struct Sprite {
   int texture;
   sf::Sprite *sprite = nullptr;
   sf::Texture *sprite_texture = nullptr;
-  // ZED: this should be a separate transform parameter
   double elevation=0;
   int uDiv=1;
   int vDiv=1;
 };
 
+struct SpriteTexture {
+  sf::Sprite *sprite = nullptr;
+  sf::Texture *sprite_texture = nullptr;
+};
+
 struct TexturePack {
   int NUM_SPRITES=1;
 
   std::vector<sf::Image> images;
   std::vector<Sprite> sprites;
+  std::unordered_map<std::string, SpriteTexture> sprite_sheets;
   sf::Image floor;
   sf::Image ceiling;
-  Sprite sword;
+  SpriteTexture sword;
 
   void load_textures();
   sf::Image load_image(std::string filename);