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#ifndef __PATHTRACER_LUMINAIRE__H__
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#define __PATHTRACER_LUMINAIRE__H__
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#include <CGLA/Mat4x4f.h>
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#include "core.h"
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class luminaire
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{
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public:
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    luminaire(int samples = 1);
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    virtual ~luminaire(void) = 0;
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    //transformation matrix
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    const CGLA::Mat4x4f& transform(void) const;
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    void set_transform(const CGLA::Mat4x4f&);
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    //sampling
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    virtual bool sample(const ray&, const hit_info&, CGLA::Vec3f& L,
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                        CGLA::Vec3f& w) const = 0;
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    //sample count for direct lighting integration
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    int samples(void) const;
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    void set_samples(int);
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protected:
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    int samples_;
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    CGLA::Mat4x4f trs_;
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};
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#endif
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//02566 framework, Anders Wang Kristensen, awk@imm.dtu.dk, 2007