85 lines
2.4 KiB
C++
85 lines
2.4 KiB
C++
#ifndef CLIGHT_H
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#define CLIGHT_H
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#include <FileIO/CInputStream.h>
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#include <Common/CColor.h>
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#include <Common/CVector3f.h>
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#include <GL/glew.h>
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/**
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* CLight is currently heavily based on the lights system from Metroid Prime,
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* including code reverse engineered from the game's executable. Not yet sure
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* how much needs to be modified to properly support Prime 3 and DKCR; they
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* have a new light structure.
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*/
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enum ELightType
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{
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eLocalAmbient = 0,
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eDirectional = 1,
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eSpot = 3,
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eCustom = 2
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};
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class CLight
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{
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ELightType mType;
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u32 mLayerIndex;
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CVector3f mPosition;
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CVector3f mDirection;
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CColor mColor;
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float mSpotCutoff;
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CVector3f mDistAttenCoefficients;
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CVector3f mAngleAttenCoefficients;
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float mRadius;
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float mIntensity;
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u8 mFlags;
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public:
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CLight();
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private:
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// Data Manipulation
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float CalculateRadius();
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float CalculateIntensity();
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CVector3f CalculateSpotAngleAtten();
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public:
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// Getters
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ELightType GetType() const;
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u32 GetLayerIndex() const;
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CVector3f GetPosition() const;
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CVector3f GetDirection() const;
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CColor GetColor() const;
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CVector3f GetDistAttenuation() const;
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CVector3f GetAngleAttenuation() const;
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float GetRadius();
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float GetIntensity();
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// Setters
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void SetLayer(u32 index);
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void SetPosition(const CVector3f& Position);
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void SetDirection(const CVector3f& Direction);
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void SetColor(const CColor& Color);
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void SetSpotCutoff(float Cutoff);
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void SetDistAtten(float DistCoefA, float DistCoefB, float DistCoefC);
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void SetAngleAtten(float AngleCoefA, float AngleCoefB, float AngleCoefC);
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// Other
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void Load() const;
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// Static
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static CLight* BuildLocalAmbient(const CVector3f& Position, const CColor& Color);
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static CLight* BuildDirectional(const CVector3f& Position, const CVector3f& Direction, const CColor& Color);
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static CLight* BuildSpot(const CVector3f& Position, const CVector3f& Direction, const CColor& Color, float Cutoff);
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static CLight* BuildCustom(const CVector3f& Position, const CVector3f& Direction, const CColor& Color,
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float DistAttenA, float DistAttenB, float DistAttenC,
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float AngleAttenA, float AngleAttenB, float AngleAttenC);
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// Constants
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static const CVector3f skDefaultLightPos;
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static const CVector3f skDefaultLightDir;
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};
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#endif // CLIGHT_H
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