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/View.hpp

@@ -0,0 +1,74 @@
+// 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_VIEW_HPP
+#define NAZARA_VIEW_HPP
+
+#include <Nazara/Prerequesites.hpp>
+#include <Nazara/Graphics/AbstractViewer.hpp>
+#include <Nazara/Graphics/SceneNode.hpp>
+#include <Nazara/Math/Frustum.hpp>
+#include <Nazara/Math/Matrix4.hpp>
+#include <Nazara/Math/Rect.hpp>
+#include <Nazara/Math/Vector3.hpp>
+#include <Nazara/Renderer/RenderTarget.hpp>
+
+class NAZARA_API NzView : public NzAbstractViewer, public NzNode, NzRenderTarget::Listener
+{
+	public:
+		NzView();
+		~NzView();
+
+		void EnsureFrustumUpdate() const;
+		void EnsureProjectionMatrixUpdate() const;
+		void EnsureViewMatrixUpdate() const;
+		void EnsureViewportUpdate() const;
+
+		float GetAspectRatio() const;
+		NzVector3f GetEyePosition() const;
+		const NzFrustumf& GetFrustum() const;
+		const NzMatrix4f& GetProjectionMatrix() const;
+		const NzRenderTarget* GetTarget() const;
+		const NzRectf& GetTargetRegion() const;
+		const NzMatrix4f& GetViewMatrix() const;
+		const NzRectui& GetViewport() const;
+		float GetZFar() const;
+		float GetZNear() const;
+
+		void SetTarget(const NzRenderTarget* renderTarget);
+		void SetTarget(const NzRenderTarget& renderTarget);
+		void SetTargetRegion(const NzRectf& region);
+		void SetViewport(const NzRectui& viewport);
+		void SetZFar(float zFar);
+		void SetZNear(float zNear);
+
+	private:
+		void ApplyView() const override;
+		void Invalidate() override;
+
+		void OnRenderTargetReleased(const NzRenderTarget* renderTarget, void* userdata) override;
+		bool OnRenderTargetSizeChange(const NzRenderTarget* renderTarget, void* userdata) override;
+
+		void UpdateFrustum() const;
+		void UpdateProjectionMatrix() const;
+		void UpdateViewMatrix() const;
+		void UpdateViewport() const;
+
+		mutable NzFrustumf m_frustum;
+		mutable NzMatrix4f m_projectionMatrix;
+		mutable NzMatrix4f m_viewMatrix;
+		NzRectf m_targetRegion;
+		mutable NzRectui m_viewport;
+		const NzRenderTarget* m_target;
+		mutable bool m_frustumUpdated;
+		mutable bool m_projectionMatrixUpdated;
+		mutable bool m_viewMatrixUpdated;
+		mutable bool m_viewportUpdated;
+		float m_zFar;
+		float m_zNear;
+};
+
+#endif // NAZARA_VIEW_HPP