149 lines
4.3 KiB
C++
149 lines
4.3 KiB
C++
/**
|
|
* PANDA 3D SOFTWARE
|
|
* Copyright (c) Carnegie Mellon University. All rights reserved.
|
|
*
|
|
* All use of this software is subject to the terms of the revised BSD
|
|
* license. You should have received a copy of this license along
|
|
* with this source code in a file named "LICENSE."
|
|
*
|
|
* @file objToEggConverter.h
|
|
* @author drose
|
|
* @date 2010-12-07
|
|
*/
|
|
|
|
#ifndef OBJTOEGGCONVERTER_H
|
|
#define OBJTOEGGCONVERTER_H
|
|
|
|
#include "pandatoolbase.h"
|
|
|
|
#include "somethingToEggConverter.h"
|
|
#include "eggVertexPool.h"
|
|
#include "eggGroup.h"
|
|
#include "geomVertexData.h"
|
|
#include "geomVertexWriter.h"
|
|
#include "geomPrimitive.h"
|
|
#include "geomNode.h"
|
|
#include "pandaNode.h"
|
|
#include "pvector.h"
|
|
#include "epvector.h"
|
|
|
|
/**
|
|
* Convert an Obj file to egg data.
|
|
*/
|
|
class ObjToEggConverter : public SomethingToEggConverter {
|
|
public:
|
|
ObjToEggConverter();
|
|
ObjToEggConverter(const ObjToEggConverter ©);
|
|
~ObjToEggConverter();
|
|
|
|
virtual SomethingToEggConverter *make_copy();
|
|
|
|
virtual std::string get_name() const;
|
|
virtual std::string get_extension() const;
|
|
virtual bool supports_compressed() const;
|
|
virtual bool supports_convert_to_node(const LoaderOptions &options) const;
|
|
|
|
virtual bool convert_file(const Filename &filename);
|
|
virtual PT(PandaNode) convert_to_node(const LoaderOptions &options, const Filename &filename);
|
|
|
|
protected:
|
|
bool process(const Filename &filename);
|
|
bool process_line(const std::string &line);
|
|
bool process_ref_plane_res(const std::string &line);
|
|
|
|
bool process_v(vector_string &words);
|
|
bool process_vt(vector_string &words);
|
|
bool process_xvt(vector_string &words);
|
|
bool process_xvc(vector_string &words);
|
|
bool process_vn(vector_string &words);
|
|
bool process_f(vector_string &words);
|
|
bool process_g(vector_string &words);
|
|
|
|
EggVertex *get_face_vertex(const std::string &face_reference);
|
|
void generate_egg_points();
|
|
|
|
bool process_node(const Filename &filename);
|
|
bool process_line_node(const std::string &line);
|
|
|
|
bool process_f_node(vector_string &words);
|
|
bool process_g_node(vector_string &words);
|
|
|
|
void generate_points();
|
|
int add_synth_normal(const LVecBase3d &normal);
|
|
|
|
// Read from the obj file.
|
|
int _line_number;
|
|
typedef epvector<LVecBase4d> Vec4Table;
|
|
typedef epvector<LVecBase3d> Vec3Table;
|
|
typedef epvector<LVecBase2d> Vec2Table;
|
|
typedef pmap<LVecBase3d, int> UniqueVec3Table;
|
|
|
|
Vec4Table _v_table;
|
|
Vec3Table _vn_table, _rgb_table;
|
|
Vec3Table _vt_table;
|
|
Vec2Table _xvt_table;
|
|
Vec3Table _synth_vn_table;
|
|
UniqueVec3Table _unique_synth_vn_table;
|
|
LVecBase2d _ref_plane_res;
|
|
bool _v4_given, _vt3_given;
|
|
bool _f_given;
|
|
|
|
pset<std::string> _ignored_tags;
|
|
|
|
// Structures filled when creating an egg file.
|
|
PT(EggVertexPool) _vpool;
|
|
PT(EggGroup) _root_group;
|
|
EggGroup *_current_group;
|
|
|
|
// Structures filled when creating a PandaNode directly.
|
|
PT(PandaNode) _root_node;
|
|
|
|
class VertexEntry {
|
|
public:
|
|
VertexEntry();
|
|
VertexEntry(const ObjToEggConverter *converter, const std::string &obj_vertex);
|
|
|
|
INLINE bool operator < (const VertexEntry &other) const;
|
|
INLINE bool operator == (const VertexEntry &other) const;
|
|
INLINE bool matches_except_normal(const VertexEntry &other) const;
|
|
|
|
// The 1-based vertex, texcoord, and normal index numbers appearing in the
|
|
// obj file for this vertex. 0 if the index number is not given.
|
|
int _vi, _vti, _vni;
|
|
|
|
// The 1-based index number to the synthesized normal, if needed.
|
|
int _synth_vni;
|
|
};
|
|
typedef pmap<VertexEntry, int> UniqueVertexEntries;
|
|
typedef pvector<VertexEntry> VertexEntries;
|
|
|
|
class VertexData {
|
|
public:
|
|
VertexData(PandaNode *parent, const std::string &name);
|
|
|
|
int add_vertex(const ObjToEggConverter *converter, const VertexEntry &entry);
|
|
void add_triangle(const ObjToEggConverter *converter, const VertexEntry &v0,
|
|
const VertexEntry &v1, const VertexEntry &v2,
|
|
int synth_vni);
|
|
void close_geom(const ObjToEggConverter *converter);
|
|
|
|
PT(PandaNode) _parent;
|
|
std::string _name;
|
|
PT(GeomNode) _geom_node;
|
|
|
|
PT(GeomPrimitive) _prim;
|
|
VertexEntries _entries;
|
|
UniqueVertexEntries _unique_entries;
|
|
|
|
bool _v4_given, _vt3_given;
|
|
bool _vt_given, _rgb_given, _vn_given;
|
|
};
|
|
|
|
VertexData *_current_vertex_data;
|
|
|
|
friend class VertexData;
|
|
};
|
|
|
|
#include "objToEggConverter.I"
|
|
|
|
#endif
|