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