Rework Project Ultra

- Added container
- Made container the base of Layout
- Set Containers theirself as pParent for Elements on Push

include/pd/ultra/container.hpp

@@ -0,0 +1,38 @@
+#pragma once
+
+#include <pd/lithium/lithium.hpp>
+#include <pd/ultra/elems/element.hpp>
+
+namespace PD {
+namespace Ultra {
+class Container {
+ public:
+  Container() {}
+  Container(const PD::Li::Rect& r) : pRect(r) {}
+  virtual ~Container() {}
+
+  void Push(PD::Ultra::ElementBase* elem) {
+    elem->SetParent(this);
+    pElems.Push(elem);
+  }
+  void Reset() { pElems.ResetFast(); }
+  const PD::Li::Rect& GetRenderspace() const { return pRect; }
+
+  void SetViewport(const PD::fvec2& vp) { pRect = PD::fvec4(PD::fvec2(0), vp); }
+
+  const PD::fvec2 GetTopLeft() const { return pRect.TopLeft(); }
+  const PD::fvec2 GetTopRight() const { return pRect.TopRight(); }
+  const PD::fvec2 GetBotLeft() const { return pRect.BotLeft(); }
+  const PD::fvec2 GetBotRight() const { return pRect.BotRight(); }
+  const PD::fvec2 GetSize() const { return pRect.BotRight() - pRect.TopLeft(); }
+  const PD::fvec2 GetPosition() const { return pRect.TopLeft(); }
+
+ protected:
+  PD::Pool<PD::Ultra::ElementBase*>& GetElements() { return pElems; }
+
+ private:
+  PD::Li::Rect pRect;
+  PD::Pool<PD::Ultra::ElementBase*> pElems;
+};
+}  // namespace Ultra
+}  // namespace PD