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/LightManager.hpp

@@ -0,0 +1,48 @@
+// 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_LIGHTMANAGER_HPP
+#define NAZARA_LIGHTMANAGER_HPP
+
+#include <Nazara/Prerequesites.hpp>
+#include <Nazara/Math/Vector3.hpp>
+
+class NzLight;
+
+class NAZARA_API NzLightManager
+{
+	public:
+		NzLightManager();
+		NzLightManager(const NzLight** lights, unsigned int lightCount);
+		~NzLightManager() = default;
+
+		void AddLights(const NzLight** lights, unsigned int lightCount);
+
+		void Clear();
+
+		unsigned int ComputeClosestLights(const NzVector3f& position, float squaredRadius, unsigned int maxResults);
+
+		const NzLight* GetLight(unsigned int index) const;
+		unsigned int GetLightCount() const;
+		const NzLight* GetResult(unsigned int i) const;
+
+		bool IsEmpty() const;
+
+		void SetLights(const NzLight** lights, unsigned int lightCount);
+
+	private:
+		struct Light
+		{
+			const NzLight* light;
+			unsigned int score;
+		};
+
+		std::vector<std::pair<const NzLight**, unsigned int>> m_lights;
+		std::vector<Light> m_results;
+		unsigned int m_lightCount;
+};
+
+#endif // NAZARA_LIGHTMANAGER_HPP