UI work

Nuake/src/UI/UserInterface.cpp

@@ -1,10 +1,55 @@
 #include "UserInterface.h"
-
+#include "yoga/Yoga.h"
+#include <src/Vendors/pugixml/pugixml.hpp>
+#include "Stylesheet.h"
 namespace UI
 {
+	struct simple_walker : pugi::xml_tree_walker
+	{
+		virtual bool for_each(pugi::xml_node& node)
+		{
+			for (int i = 0; i < depth(); ++i) std::cout << "  "; // indentation
+
+			std::cout << node.type() << ": name='" << node.name() << "', value='" << node.value() << "'\n";
+
+			return true; // continue traversal
+		}
+	};
+
 	UserInterface::UserInterface(const std::string& name)
 	{
 		m_Name = name;
+		pugi::xml_document doc;
+
+		// Parse xml document
+		pugi::xml_parse_result result = doc.load_file("resources/Interface/Testing.interface");
+		std::cout << "Load result: " << result.description() << ", mesh name: " << doc.child("Canvas").attribute("size").value() << std::endl;
+		
+		auto childrends = doc.child("Canvas").children();
+		simple_walker walker;
+		doc.traverse(walker);
+		Logger::Log("Hello");
+
+		// Create engine structure from document
+
+
+		// Convert engine structure to yoga
+
+
+		// Calculate layout
+
+
+		// Load css styling
+
+		//Ref<StyleSheet> stylesheet = StyleSheet::New("resources/Interface/Testing.css");
+		// Iterate through css file
+
+		// Create style sheet data structure
+
+		// When rendering load styles to shader
+
+		// Render
+
 	}
 
 	Ref<UserInterface> UserInterface::New(const std::string& name)
@@ -12,6 +57,11 @@ namespace UI
 		return CreateRef<UserInterface>(name);
 	}
 
+	void UserInterface::Calculate()
+	{
+
+	}
+
 	void UserInterface::Draw()
 	{
 		Renderer2D::BeginDraw();