Big Graphics update

Separated LightManager
Added Sprite class
Added View class
Camera is no longer a SceneNode
Fixed Material not invalidating programs
Renamed CameraPosition uniform to EyePosition
Renamed VisibilityTest to FrustumCull


Former-commit-id: ff7fbe4d9b31a3c269baab0b48c6faa347a12161

include/Nazara/Graphics/SceneLayer.hpp

@@ -0,0 +1,34 @@
+// Copyright (C) 2013 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Graphics module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef NAZARA_SCENELAYER_HPP
+#define NAZARA_SCENELAYER_HPP
+
+#include <Nazara/Prerequesites.hpp>
+
+class NzAbstractRenderTechnique;
+class NzAbstractViewer;
+
+class NAZARA_API NzSceneLayer
+{
+	public:
+		NzSceneLayer();
+		~NzSceneLayer();
+
+		void Draw();
+
+		nzUInt32 GetBufferClearFlags() const;
+		NzAbstractRenderQueue* GetRenderQueue() const;
+		NzAbstractRenderTechnique* GetRenderTechnique() const;
+		NzScene* GetScene() const;
+		NzAbstractViewer* GetViewer() const;
+
+		void SetBufferClearFlags(nzUInt32 flags);
+		void SetRenderTechnique(NzAbstractRenderTechnique* renderTechnique);
+		void SetViewer(NzAbstractViewer* viewer);
+};
+
+#endif // NAZARA_SCENELAYER_HPP