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src/frontend/gui/GUI.cpp

@@ -33,6 +33,9 @@ std::shared_ptr<PagesControl> GUI::getMenu() {
     return menu;
 }
 
+/** Mouse related input and logic handling 
+ * @param delta delta time
+*/
 void GUI::actMouse(float delta) {
     auto hover = container->getAt(Events::cursor, nullptr);
     if (this->hover && this->hover != hover) {
@@ -77,6 +80,9 @@ void GUI::actMouse(float delta) {
     }
 } 
 
+/** Processing user input and UI logic 
+ * @param delta delta time
+*/
 void GUI::act(float delta) {
     container->setSize(glm::vec2(Window::width, Window::height));
     container->act(delta);
@@ -133,23 +139,19 @@ bool GUI::isFocusCaught() const {
     return focus && focus->isFocuskeeper();
 }
 
-void GUI::addBack(std::shared_ptr<UINode> panel) {
+void GUI::add(std::shared_ptr<UINode> node) {
-    container->addBack(panel);
+    container->add(node);
 }
 
-void GUI::add(std::shared_ptr<UINode> panel) {
+void GUI::remove(std::shared_ptr<UINode> node) noexcept {
-    container->add(panel);
+    container->remove(node);
-}
-
-void GUI::remove(std::shared_ptr<UINode> panel) {
-    container->remove(panel);
 }
 
 void GUI::store(std::string name, std::shared_ptr<UINode> node) {
     storage[name] = node;
 }
 
-std::shared_ptr<UINode> GUI::get(std::string name) {
+std::shared_ptr<UINode> GUI::get(std::string name) noexcept {
     auto found = storage.find(name);
     if (found == storage.end()) {
         return nullptr;
@@ -157,7 +159,7 @@ std::shared_ptr<UINode> GUI::get(std::string name) {
     return found->second;
 }
 
-void GUI::remove(std::string name) {
+void GUI::remove(std::string name) noexcept {
     storage.erase(name);
 }
 

src/frontend/gui/GUI.h

@@ -63,21 +63,55 @@ namespace gui {
         GUI();
         ~GUI();
 
+        /** Get the main menu (PagesControl) node */
         std::shared_ptr<PagesControl> getMenu();
 
+        /** Get current focused node 
+          * @return focused node or nullptr */
         std::shared_ptr<UINode> getFocused() const;
+
+        /** Check if all user input is caught by some element like TextBox */
         bool isFocusCaught() const;
 
+        /** Main input handling and logic update method 
+         * @param delta delta time */
         void act(float delta);
+
+        /** Draw all visible elements on main container 
+         * @param pctx parent graphics context
+         * @param assets active assets storage */
         void draw(const GfxContext* pctx, Assets* assets);
-        void addBack(std::shared_ptr<UINode> panel);
+
-        void add(std::shared_ptr<UINode> panel);
+        /** Add node to the main container */
-        void remove(std::shared_ptr<UINode> panel);
+        void add(std::shared_ptr<UINode> node);
+
+        /** Remove node from the main container */
+        void remove(std::shared_ptr<UINode> node) noexcept;
+
+        /** Store node in the GUI nodes dictionary 
+         * (does not add node to the main container)
+         * @param name node key
+         * @param node target node
+         */
         void store(std::string name, std::shared_ptr<UINode> node);
-        std::shared_ptr<UINode> get(std::string name);
+
-        void remove(std::string name);
+        /** Get node from the GUI nodes dictionary 
+         * @param name node key
+         * @return stored node or nullptr
+        */
+        std::shared_ptr<UINode> get(std::string name) noexcept;
+
+        /** Remove node from the GUI nodes dictionary
+         * @param name node key 
+         */
+        void remove(std::string name) noexcept;
+
+        /** Set node as focused 
+          * @param node new focused node or nullptr to remove focus
+          */
         void setFocus(std::shared_ptr<UINode> node);
 
+        /** Get the main container */
         std::shared_ptr<Container> getContainer() const;
     };
 }

src/frontend/hud.cpp

@@ -294,8 +294,8 @@ Hud::Hud(Engine* engine, LevelFrontend* frontend)
 
     debugPanel->setZIndex(2);
     
-    gui->addBack(darkOverlay);
+    gui->add(darkOverlay);
-    gui->addBack(hotbarView);
+    gui->add(hotbarView);
     gui->add(debugPanel);
     gui->add(contentAccessPanel);
     gui->add(grabbedItemView);
@@ -425,6 +425,7 @@ void Hud::openInventory(glm::ivec3 block, UiDocument* doc, std::shared_ptr<Inven
         blockinv = level->inventories->createVirtual(blockUI->getSlotsCount());
     }
     blockUI->bind(blockinv, frontend, interaction.get());
+    currentblock = block;
     add(HudElement(hud_element_mode::inventory_bound, doc, blockUI, false));
 }