Implemented basic game dll interaction

src/Engine/Window/WindowManager.h

@@ -1,22 +1,17 @@
 #pragma once
-#include "Graphics/GraphicsResources.h"
-#include "Graphics/Graphics.h"
 #include "Containers/Array.h"
 #include "Window.h"
 
 namespace Seele
 {
+DECLARE_NAME_REF(Gfx, Graphics)
 class WindowManager
 {
 public:
 	WindowManager();
 	~WindowManager();
-	PWindow addWindow(const WindowCreateInfo &createInfo);
+	PWindow addWindow(Gfx::PGraphics graphics, const WindowCreateInfo &createInfo);
 	void notifyWindowClosed(PWindow window);
-	static Gfx::PGraphics getGraphics()
-	{
-		return graphics;
-	}
 	inline bool isActive() const
 	{
 		return windows.size();
@@ -24,7 +19,6 @@ public:
 
 private:
 	Array<PWindow> windows;
-	static Gfx::PGraphics graphics;
 };
 DEFINE_REF(WindowManager)
 } // namespace Seele