mesh_io.h

 
#ifndef _MESH_IO_H
#define _MESH_IO_H
 
#include <vector>
 
#include "vec.h"
#include "materials.h"
#include "image.h"
#include "files.h"
 
 
bool read_positions( const char *filename, std::vector<Point>& positions );
 
bool read_indexed_positions( const char *filename, std::vector<Point>& positions, std::vector<unsigned>& indices );
 
 
bool read_materials( const char *filename, Materials& materials, std::vector<int>& indices );
 
bool read_images( const Materials& materials, std::vector<Image>& images );
 
 
struct MeshIOGroup
{
    int id;
    unsigned first;
    unsigned count;
};
 
struct MeshIOData
{
    std::vector<Point> positions;
    std::vector<Point> texcoords;
    std::vector<Vector> normals;
    std::vector<unsigned> indices;
    
    Materials materials;
    std::vector<int> material_indices;
    
    std::vector<std::string> object_names;
    std::vector<int> object_indices;
  
    int find_object( const char *name );
    std::vector<MeshIOGroup> sort_by_material( ) { return groups(material_indices); }
    std::vector<MeshIOGroup> sort_by_object( ) { return groups(object_indices); }
    std::vector<MeshIOGroup> groups( const std::vector<int>& properties );
};
 
bool read_meshio_data( const char *filename, MeshIOData& data );
 
bool read_images( const MeshIOData& data, std::vector<Image>& images );
 
 
#endif