74 lines
1.9 KiB
C++
Executable File
74 lines
1.9 KiB
C++
Executable File
//
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// KRViewport.h
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// KREngine
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//
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// Created by Kearwood Gilbert on 2012-10-25.
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// Copyright (c) 2012 Kearwood Software. All rights reserved.
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//
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#ifndef KRENGINE_KRVIEWPORT_H
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#define KRENGINE_KRVIEWPORT_H
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#include "KREngine-common.h"
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class KRLight;
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class KRViewport {
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public:
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KRViewport();
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KRViewport(const KRVector2 &size, const KRMat4 &matView, const KRMat4 &matProjection);
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~KRViewport();
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const KRVector2 &getSize() const;
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const KRMat4 &getViewMatrix() const;
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const KRMat4 &getProjectionMatrix() const;
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const KRMat4 &getViewProjectionMatrix() const;
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const KRMat4 &getInverseViewMatrix() const;
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const KRMat4 &getInverseProjectionMatrix() const;
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const KRVector3 &getCameraDirection() const;
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const KRVector3 &getCameraPosition() const;
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const int *getFrontToBackOrder() const;
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const int *getBackToFrontOrder() const;
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void setSize(const KRVector2 &size);
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void setViewMatrix(const KRMat4 &matView);
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void setProjectionMatrix(const KRMat4 &matProjection);
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float getLODBias() const;
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void setLODBias(float lod_bias);
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// Overload assignment operator
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KRViewport& operator=(const KRViewport &v);
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unordered_map<KRAABB, int> &getVisibleBounds();
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const std::set<KRLight *> &getVisibleLights();
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void setVisibleLights(const std::set<KRLight *> visibleLights);
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bool visible(const KRAABB &b) const;
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float coverage(const KRAABB &b) const;
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private:
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KRVector2 m_size;
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KRMat4 m_matView;
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KRMat4 m_matProjection;
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float m_lodBias;
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// Derived values
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KRMat4 m_matViewProjection;
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KRMat4 m_matInverseView;
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KRMat4 m_matInverseProjection;
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KRVector3 m_cameraDirection;
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KRVector3 m_cameraPosition;
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int m_frontToBackOrder[8];
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int m_backToFrontOrder[8];
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void calculateDerivedValues();
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unordered_map<KRAABB, int> m_visibleBounds; // AABB's that output fragments in the last frame
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};
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#endif
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