Started the overlay UI but need to make it possible to add/remove components to it.

guecs.hpp

@@ -56,6 +56,20 @@ namespace guecs {
     std::string name;
     std::shared_ptr<sf::Sprite> sprite = nullptr;
     std::shared_ptr<sf::Texture> texture = nullptr;
+
+    void init(lel::Cell &cell, TexturePack &textures) {
+        auto sprite_texture = textures.get(name);
+        texture = sprite_texture.texture;
+        sprite = make_shared<sf::Sprite>(*texture);
+        sprite->setPosition({
+            float(cell.x + GUECS_PADDING),
+            float(cell.y + GUECS_PADDING)});
+
+        auto size = texture->getSize();
+        sprite->setScale({
+            float(cell.w - GUECS_PADDING * 2) / size.x,
+            float(cell.h - GUECS_PADDING * 2) / size.y});
+    }
   };
 
   struct Rectangle {