Use pointers for the stuff so it can lazy load.

sfmlbackend.cpp

@@ -136,13 +136,6 @@ void SFMLBackend::update_entities() {
 
   string time = fmt::format("{:%H:%M:%OS}", elapsed_time);
   write_text(7, 14, time, 2.0f);
-
-
-  stop_button->setPosition(translate(27, 15));
-  window.draw(*start_button);
-  start_button->setPosition(translate(37, 15));
-  window.draw(*stop_button);
-
   Window_update();
 }
 
@@ -161,18 +154,15 @@ SFMLBackend::SFMLBackend(GameEngine &g)
   : window(sf::VideoMode({X_DIM, Y_DIM}), "Turing's Tarpit"),
   game(g)
 {
-  face_texture = make_shared<sf::Texture>("./assets/building.png");
+  std::ifstream infile(".tarpit.json");
-  stop_texture = make_shared<sf::Texture>("./assets/stop_button.png");
+  json data = json::parse(infile);
-  start_texture = make_shared<sf::Texture>("./assets/start_button.png");
+  auto images = data["images"];
+  std::string build_name = images["building"];
 
+  face_texture = make_shared<sf::Texture>(build_name);
   face_sprite = make_shared<sf::Sprite>(*face_texture);
-  stop_button = make_shared<sf::Sprite>(*stop_texture);
-  start_button = make_shared<sf::Sprite>(*start_texture);
-
-  change_face("building");
 }
 
-
 /*
  * This makes my soul hurt. Make it stop.
  *
@@ -189,8 +179,11 @@ void SFMLBackend::update_log(std::vector<string> &lines) {
 
 void SFMLBackend::startup() {
   fmt::print("Setting up a window for you...\n");
+  std::ifstream infile(".tarpit.json");
+  json data = json::parse(infile);
+  std::string font_file = data["font"];
 
-  if(!font.openFromFile("./assets/text.ttf")) {
+  if(!font.openFromFile(font_file)) {
     fmt::println("Cannot load font.");
   }
 

sfmlbackend.hpp

@@ -51,10 +51,6 @@ class SFMLBackend {
   sf::RenderWindow window;
   std::shared_ptr<sf::Sprite> face_sprite = nullptr;
   std::shared_ptr<sf::Texture> face_texture = nullptr;
-  std::shared_ptr<sf::Sprite> stop_button = nullptr;
-  std::shared_ptr<sf::Texture> stop_texture = nullptr;
-  std::shared_ptr<sf::Sprite> start_button = nullptr;
-  std::shared_ptr<sf::Texture> start_texture = nullptr;
   std::chrono::time_point<std::chrono::system_clock> clock_start;
   Button buttons = Button::STOP;
   int hit_points = 50;