Started object construction and parsing

Simplified some structures
Missing : Entity construction

src/Level.cpp

@@ -3,3 +3,28 @@
 //
 
 #include "Level.h"
+
+
+Level::Level(const pugi::xml_document& xmlDoc, const TextureStore& textureStore)
+    : textures(textureStore),
+      size(xmlDoc.child("Level").attribute("width").as_int(),xmlDoc.child("Level").attribute("width").as_int())
+{
+    pugi::xml_node levelNode = xmlDoc.child("Level");
+    for(const pugi::xml_node& child : levelNode.children())
+    {
+        if(!strncmp(child.name(),"Entity",6))
+        {
+            entities.emplace_back(child);
+        }
+    }
+}
+
+void Level::render(sf::RenderWindow& renderWindow) const
+{
+
+}
+
+void Level::runStep() const
+{
+
+}