Making Icons a thing again since it's convenient.

demos/clicker_game.cpp

@@ -92,7 +92,7 @@ struct ClickerUI {
       auto id = $gui.entity(name);
       if(name != "clicker") {
         $gui.set<guecs::Effect>(id, {});
-        $gui.set<guecs::Sprite>(id, { "clicker_treat_bone" });
+        $gui.set<guecs::Icon>(id, { "clicker_treat_bone" });
         $gui.set<guecs::Clickable>(id, {
             [&](auto, auto) { handle_button(Event::A_BUTTON); }
             });

include/guecs/sfml/components.hpp

@@ -36,6 +36,20 @@ namespace guecs {
     void render(sf::RenderWindow& window, sf::Shader *shader_ptr);
   };
 
+  struct Icon : public Sprite {
+    template<typename... Args>
+      Icon(Args... args) : Sprite(args...)
+    {
+      stretch = false;
+      is_icon = true;
+    }
+
+    Icon() {
+      stretch = false;
+      is_icon = true;
+    };
+  };
+
   struct Rectangle {
     int padding = THEME.PADDING;
     sf::Color color = THEME.FILL_COLOR;

include/guecs/ui.hpp

@@ -218,6 +218,7 @@ namespace guecs {
       sf::Shader* find_shader(Entity ent, bool is_shape);
 
       void show_sprite(const string& region, const string& sprite_name);
+      void show_icon(const string& region, const string& sprite_name);
       void show_text(const string& region, const wstring& content);
       void show_label(const string& region, const wstring& content);
   };

src/guecs/ui.cpp

@@ -89,6 +89,10 @@ namespace guecs {
     query<lel::Cell, Sprite>([&](auto, auto &cell, auto &sprite) {
       sprite.init(cell);
     });
+
+    query<lel::Cell, Icon>([&](auto, auto &cell, auto &icon) {
+      icon.init(cell);
+    });
   }
 
   void UI::debug_layout(sf::RenderWindow& window) {
@@ -134,6 +138,11 @@ namespace guecs {
       sprite.render(window, shader_ptr);
     });
 
+    query<Icon>([&](auto ent, auto& icon) {
+      auto shader_ptr = find_shader(ent, false);
+      icon.render(window, shader_ptr);
+    });
+
     query<Text>([&](auto ent, auto& text) {
       auto shader_ptr = find_shader(ent, false);
       text.render(window, shader_ptr);
@@ -188,6 +197,16 @@ namespace guecs {
     }
   }
 
+  void UI::show_icon(const string& region, const string& sprite_name) {
+    auto ent = entity(region);
+
+    if(auto sprite = get_if<Icon>(ent)) {
+      sprite->update(sprite_name);
+    } else {
+      set_init<Icon>(ent, {sprite_name});
+    }
+  }
+
   void UI::show_text(const string& region, const wstring& content) {
     auto ent = entity(region);