127 lines
3.2 KiB
C++
127 lines
3.2 KiB
C++
/*******************************************************
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Lightwave Object Loader for OSG
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Copyright (C) 2004 Marco Jez <marco.jez@poste.it>
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OpenSceneGraph is (C) 2004 Robert Osfield
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********************************************************/
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#ifndef LWOSG_OBJECT_
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#define LWOSG_OBJECT_
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#include "Layer.h"
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#include "Surface.h"
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#include "Clip.h"
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#include "Unit.h"
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#include "iffparser.h"
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#include <osg/Referenced>
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#include <osg/ref_ptr>
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#include <string>
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#include <vector>
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#include <map>
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namespace lwosg
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{
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class CoordinateSystemFixer: public osg::Referenced {
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public:
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virtual osg::Vec3 fix_point(const osg::Vec3 &P) const = 0;
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virtual osg::Vec4 fix_point(const osg::Vec4 &P) const = 0;
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virtual osg::Vec3 fix_vector(const osg::Vec3 &V) const = 0;
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virtual osg::Vec4 fix_vector(const osg::Vec4 &V) const = 0;
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virtual inline bool invert_winding() const { return false; }
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protected:
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virtual ~CoordinateSystemFixer() {}
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CoordinateSystemFixer &operator=(const CoordinateSystemFixer &) { return *this; }
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};
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class LwoCoordFixer: public CoordinateSystemFixer {
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public:
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inline osg::Vec3 fix_point(const osg::Vec3 &P) const;
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inline osg::Vec4 fix_point(const osg::Vec4 &P) const;
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inline osg::Vec3 fix_vector(const osg::Vec3 &V) const;
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inline osg::Vec4 fix_vector(const osg::Vec4 &V) const;
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inline bool invert_winding() const { return true; }
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protected:
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virtual ~LwoCoordFixer() {}
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LwoCoordFixer &operator=(const LwoCoordFixer &) { return *this; }
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};
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class Object {
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public:
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typedef std::map<int, Layer> Layer_map;
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typedef std::map<std::string, Surface> Surface_map;
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Object();
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Object(const iff::Chunk_list &data);
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inline CoordinateSystemFixer *get_coordinate_system_fixer() { return csf_.get(); }
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inline const CoordinateSystemFixer *get_coordinate_system_fixer() const { return csf_.get(); }
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inline void set_coordinate_system_fixer(CoordinateSystemFixer *csf) { csf_ = csf; }
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void build(const iff::Chunk_list &data);
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inline Layer_map &layers() { return layers_; }
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inline const Layer_map &layers() const { return layers_; }
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inline Surface_map &surfaces() { return surfaces_; }
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inline const Surface_map &surfaces() const { return surfaces_; }
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inline const std::string &get_comment() const { return comment_; }
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inline const std::string &get_description() const { return description_; }
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protected:
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void scan_clips(const iff::Chunk_list &data);
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void scan_surfaces(const iff::Chunk_list &data);
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void parse(const iff::Chunk_list &data);
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void generate_normals();
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void generate_auto_texture_maps();
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private:
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Layer_map layers_;
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typedef std::map<int, Clip> Clip_map;
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Clip_map clips_;
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Surface_map surfaces_;
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std::string comment_;
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std::string description_;
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osg::ref_ptr<CoordinateSystemFixer> csf_;
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};
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// INLINE METHODS
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inline osg::Vec3 LwoCoordFixer::fix_point(const osg::Vec3 &P) const
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{
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return osg::Vec3(P.x(), P.z(), P.y());
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}
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inline osg::Vec4 LwoCoordFixer::fix_point(const osg::Vec4 &P) const
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{
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return osg::Vec4(fix_point(osg::Vec3(P.x(), P.y(), P.z())), P.w());
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}
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inline osg::Vec3 LwoCoordFixer::fix_vector(const osg::Vec3 &V) const
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{
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return fix_point(V);
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}
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inline osg::Vec4 LwoCoordFixer::fix_vector(const osg::Vec4 &V) const
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{
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return fix_point(V);
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}
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}
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#endif
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