Subversion Repositories gelsvn

Rev

Rev 601 | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
595 jab 1 
/* ----------------------------------------------------------------------- *
2 
 * This file is part of GEL, http://www.imm.dtu.dk/GEL
3 
 * Copyright (C) the authors and DTU Informatics
4 
 * For license and list of authors, see ../../doc/intro.pdf
5 
 * ----------------------------------------------------------------------- */
371 jab 6 
 
7 
#include <stdio.h>
8 
#include <math.h>
9 
#include <string.h>
10 
#include "rply.h"
11 
#include "ply_load.h"
601 jab 12 
#include "../CGLA/Vec4f.h"
371 jab 13 
 
595 jab 14 
namespace Geometry
371 jab 15 
{
595 jab 16 
    using namespace std;
17 
    using namespace CGLA;
371 jab 18 
 
595 jab 19 
    namespace
20 
    {
21 
        TriMesh *mesh;
22 
 
23 
        int vertex_cb(p_ply_argument argument) {
24 
            static int idx=0;
25 
            static Vec3f p;
26 
            int eol;
27 
            ply_get_argument_user_data(argument, NULL, &eol);
28 
            if(idx<3)
29 
                p[idx] = ply_get_argument_value(argument);
30 
            ++idx;
31 
            if (eol)
32 
            {
33 
                mesh->geometry.add_vertex(p);
34 
                idx=0;
35 
            }
36 
            return 1;
37 
        }
38 
 
39 
        int face_cb(p_ply_argument argument) {
40 
            static Vec3i f;
41 
            int length, value_index;
42 
            ply_get_argument_property(argument, NULL, &length, &value_index);
43 
            if(value_index >= 0)
44 
            {
45 
                if(value_index < 2)
46 
                    f[value_index] = ply_get_argument_value(argument);
47 
                else
48 
                {
49 
                    f[2] = ply_get_argument_value(argument);
50 
                    mesh->mat_idx.push_back(0);
51 
                    mesh->geometry.add_face(f);
52 
                    f[1] = f[2];
53 
                }
54 
            }
55 
            return 1;
56 
        }
57 
    }
58 
 
59 
    bool ply_load(const std::string& fn, Geometry::TriMesh& _mesh)
60 
    {
61 
        mesh = &_mesh;
62 
 
63 
        _mesh.materials.resize(1);
64 
        _mesh.materials[0].diffuse[0] = 172.0f/256.0f;
65 
        _mesh.materials[0].diffuse[1] = 48.0f/256.0f;
66 
        _mesh.materials[0].diffuse[2] = 72.0f/256.0f;
67 
        _mesh.materials[0].specular[0] = 0.6f;
68 
        _mesh.materials[0].specular[1] = 0.6f;
69 
        _mesh.materials[0].specular[2] = 0.6f;
70 
        _mesh.materials[0].shininess = 128.0f;
71 
 
72 
        p_ply ply = ply_open(fn.c_str(), NULL);
73 
        if (!ply) return false;
74 
        if (!ply_read_header(ply)) return false;
75 
        ply_set_read_cb(ply, "vertex", "x", vertex_cb, NULL, 0);
76 
        ply_set_read_cb(ply, "vertex", "y", vertex_cb, NULL, 0);
77 
        ply_set_read_cb(ply, "vertex", "z", vertex_cb, NULL, 1);
78 
        ply_set_read_cb(ply, "face", "vertex_indices", face_cb, NULL, 0);
79 
        ply_read(ply);
80 
        ply_close(ply);
81 
        return true;
82 
    }
371 jab 83 
}