80 lines
2.4 KiB
C++
80 lines
2.4 KiB
C++
// Copyright (C) 2013 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Graphics module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#pragma once
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#ifndef NAZARA_CAMERA_HPP
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#define NAZARA_CAMERA_HPP
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#include <Nazara/Prerequesites.hpp>
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#include <Nazara/Graphics/AbstractViewer.hpp>
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#include <Nazara/Graphics/SceneNode.hpp>
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#include <Nazara/Math/Frustum.hpp>
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#include <Nazara/Math/Matrix4.hpp>
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#include <Nazara/Math/Rect.hpp>
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#include <Nazara/Math/Vector3.hpp>
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#include <Nazara/Renderer/RenderTarget.hpp>
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class NAZARA_API NzCamera : public NzAbstractViewer, public NzNode, NzRenderTarget::Listener
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{
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public:
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NzCamera();
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~NzCamera();
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void EnsureFrustumUpdate() const;
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void EnsureProjectionMatrixUpdate() const;
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void EnsureViewMatrixUpdate() const;
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void EnsureViewportUpdate() const;
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float GetAspectRatio() const;
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NzVector3f GetEyePosition() const;
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NzVector3f GetForward() const;
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float GetFOV() const;
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const NzFrustumf& GetFrustum() const;
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const NzMatrix4f& GetProjectionMatrix() const;
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const NzRenderTarget* GetTarget() const;
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const NzRectf& GetTargetRegion() const;
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const NzMatrix4f& GetViewMatrix() const;
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const NzRectui& GetViewport() const;
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float GetZFar() const;
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float GetZNear() const;
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void SetFOV(float fov);
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void SetTarget(const NzRenderTarget* renderTarget);
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void SetTarget(const NzRenderTarget& renderTarget);
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void SetTargetRegion(const NzRectf& region);
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void SetViewport(const NzRectui& viewport);
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void SetZFar(float zFar);
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void SetZNear(float zNear);
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private:
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void ApplyView() const override;
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void Invalidate() override;
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void OnRenderTargetReleased(const NzRenderTarget* renderTarget, void* userdata) override;
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bool OnRenderTargetSizeChange(const NzRenderTarget* renderTarget, void* userdata) override;
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void UpdateFrustum() const;
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void UpdateProjectionMatrix() const;
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void UpdateViewMatrix() const;
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void UpdateViewport() const;
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mutable NzFrustumf m_frustum;
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mutable NzMatrix4f m_projectionMatrix;
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mutable NzMatrix4f m_viewMatrix;
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NzRectf m_targetRegion;
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mutable NzRectui m_viewport;
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const NzRenderTarget* m_target;
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mutable bool m_frustumUpdated;
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mutable bool m_projectionMatrixUpdated;
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mutable bool m_viewMatrixUpdated;
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mutable bool m_viewportUpdated;
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mutable float m_aspectRatio;
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float m_fov;
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float m_zFar;
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float m_zNear;
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};
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#endif // NAZARA_CAMERA_HPP
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