ui rendering works now

src/Engine/UI/System.h

@@ -1,6 +1,8 @@
 #pragma once
 #include "MinimalEngine.h"
 #include "RenderHierarchy.h"
+#include "Graphics/RenderPass/UIPass.h"
+#include "Graphics/RenderPass/TextPass.h"
 
 namespace Seele
 {
@@ -12,9 +14,12 @@ class System
 public:
     System();
     virtual ~System();
+    void update();
+    UIPassData getUIPassData();
+    TextPassData getTextPassData();
 private:
     PPanel rootPanel;
-    Array<RenderHierarchyUpdate*> updates;
+    RenderHierarchy hierarchy;
 };
 DEFINE_REF(System)
 } // namespace UI