NazaraEngine/SDK/include/NDK/Components/CameraComponent.hpp

107 lines
3.5 KiB
C++

// Copyright (C) 2015 Jérôme Leclercq
// This file is part of the "Nazara Development Kit"
// For conditions of distribution and use, see copyright notice in Prerequesites.hpp
#pragma once
#ifndef NDK_COMPONENTS_CAMERACOMPONENT_HPP
#define NDK_COMPONENTS_CAMERACOMPONENT_HPP
#include <Nazara/Math/Frustum.hpp>
#include <Nazara/Math/Matrix4.hpp>
#include <Nazara/Math/Vector3.hpp>
#include <Nazara/Graphics/AbstractViewer.hpp>
#include <Nazara/Renderer/RenderTarget.hpp>
#include <Nazara/Utility/Node.hpp>
#include <NDK/Component.hpp>
namespace Ndk
{
class Entity;
class NDK_API CameraComponent : public Component<CameraComponent>, public NzAbstractViewer
{
public:
inline CameraComponent();
inline CameraComponent(const CameraComponent& camera);
~CameraComponent() = default;
void ApplyView() const override;
inline void EnsureFrustumUpdate() const;
inline void EnsureProjectionMatrixUpdate() const;
inline void EnsureViewMatrixUpdate() const;
inline void EnsureViewportUpdate() const;
inline float GetAspectRatio() const;
inline NzVector3f GetEyePosition() const;
inline NzVector3f GetForward() const;
inline float GetFOV() const;
inline const NzFrustumf& GetFrustum() const;
inline unsigned int GetLayer() const;
inline const NzMatrix4f& GetProjectionMatrix() const;
inline nzProjectionType GetProjectionType() const;
inline const NzRenderTarget* GetTarget() const;
inline const NzRectf& GetTargetRegion() const;
inline const NzMatrix4f& GetViewMatrix() const;
inline const NzRecti& GetViewport() const;
inline float GetZFar() const;
inline float GetZNear() const;
inline void SetFOV(float fov);
inline void SetLayer(unsigned int layer);
inline void SetProjectionType(nzProjectionType projection);
inline void SetTarget(const NzRenderTarget* renderTarget);
inline void SetTargetRegion(const NzRectf& region);
inline void SetViewport(const NzRecti& viewport);
inline void SetZFar(float zFar);
inline void SetZNear(float zNear);
static ComponentIndex componentIndex;
private:
inline void InvalidateFrustum() const;
inline void InvalidateProjectionMatrix() const;
inline void InvalidateViewMatrix() const;
inline void InvalidateViewport() const;
void OnAttached() override;
void OnComponentAttached(BaseComponent& component) override;
void OnComponentDetached(BaseComponent& component) override;
void OnDetached() override;
void OnNodeInvalidated(const NzNode* node);
void OnRenderTargetRelease(const NzRenderTarget* renderTarget);
void OnRenderTargetSizeChange(const NzRenderTarget* renderTarget);
void UpdateFrustum() const;
void UpdateProjectionMatrix() const;
void UpdateViewMatrix() const;
void UpdateViewport() const;
NazaraSlot(NzNode, OnNodeInvalidation, m_nodeInvalidationSlot);
NazaraSlot(NzRenderTarget, OnRenderTargetRelease, m_targetReleaseSlot);
NazaraSlot(NzRenderTarget, OnRenderTargetSizeChange, m_targetResizeSlot);
nzProjectionType m_projectionType;
mutable NzFrustumf m_frustum;
mutable NzMatrix4f m_projectionMatrix;
mutable NzMatrix4f m_viewMatrix;
NzRectf m_targetRegion;
mutable NzRecti m_viewport;
const NzRenderTarget* m_target;
mutable bool m_frustumUpdated;
mutable bool m_projectionMatrixUpdated;
mutable bool m_viewMatrixUpdated;
mutable bool m_viewportUpdated;
mutable float m_aspectRatio;
float m_fov;
float m_zFar;
float m_zNear;
unsigned int m_layer;
};
}
#include <NDK/Components/CameraComponent.inl>
#endif // NDK_COMPONENTS_CAMERACOMPONENT_HPP