void read_obj(const char* strName)
{
int i,j,k;
FILE *fp;
int nwords;
char *comment_ptr;
char *first_word;
float x,y,z,w;
/* read from standard input */
fp = fopen(strName,"r");
while (1) {
comment_ptr = fetch_line (fp);
if (comment_ptr == (char *) -1) /* end-of-file */
break;
/* did we get a comment? */
if (comment_ptr) {
make_comment (comment_ptr);
continue;
}
/* if we get here, the line was not a comment */
nwords = fetch_words();
/* skip empty lines */
if (nwords == 0)
continue;
first_word = words[0];
if (equal_strings (first_word, "v")) {
if (nwords < 4) {
fprintf (stderr, "Too few coordinates: '%s'", str_orig);
exit (-1);
}
#ifdef NEW_LOAD
float3 pos;
pos.x = atof (words[1]);
pos.y = atof (words[2]);
pos.z = atof (words[3]);
vPosition.push_back(pos);
#else
x = atof (words[1]);
y = atof (words[2]);
z = atof (words[3]);
if (nwords == 5) {
w = atof (words[3]);
has_w = 1;
}
else
w = 1.0;
make_vertex (x, y, z, w);
#endif
}
else if (equal_strings (first_word, "vn")) {
#ifdef NEW_LOAD
float3 n;
n.x = atof (words[1]);
n.y = atof (words[2]);
n.z = atof (words[3]);
vNormal.push_back(n);
has_normals = true;
#endif
}
else if (equal_strings (first_word, "vt")) {
#ifdef NEW_LOAD
float2 t;
t.x = atof (words[1]);
t.y = atof (words[2]);
vUV.push_back(t);
texture_coords = true;
#endif
}
else if (equal_strings (first_word, "f")) {
#ifdef NEW_LOAD
LoadFace(&words[1],nwords-1);
#else
make_face (&words[1], nwords-1);
#endif
}
else {
fprintf (stderr, "Do not recognize: '%s'\n", str_orig);
}
}
nverts = vVertex.size();
nfaces = vIndex.size()/3;
fclose(fp);
}
void read_obj ( void )
/******************************************************************************/
/*
Purpose:
READ_OBJ reads in a Wavefront OBJ file.
Author:
Greg Turk
*/
{
char *comment_ptr;
char *first_word;
FILE *fp;
int i;
int j;
int k;
int nwords;
float w;
float x;
float y;
float z;
/*
Read from standard input.
*/
fp = stdin;
while (1)
{
comment_ptr = fetch_line ( fp );
/*
End of file?
*/
if ( comment_ptr == ( char * ) -1 )
{
break;
}
/*
Did we actually get a comment?
*/
if ( comment_ptr )
{
make_comment ( comment_ptr );
continue;
}
/*
If we get here, the line was not a comment.
*/
nwords = fetch_words ( );
/*
Skip empty lines.
*/
if ( nwords == 0 )
{
continue;
}
first_word = words[0];
if (equal_strings (first_word, "v"))
{
if (nwords < 4)
{
fprintf (stderr, "Too few coordinates: '%s'", str_orig);
exit (-1);
}
x = atof (words[1]);
y = atof (words[2]);
z = atof (words[3]);
if (nwords == 5)
{
w = atof (words[3]);
has_w = 1;
}
else
{
w = 1.0;
}
make_vertex ( x, y, z, w );
}
else if (equal_strings (first_word, "vn"))
{
}
else if (equal_strings (first_word, "vt"))
{
}
else if (equal_strings (first_word, "f"))
{
make_face (&words[1], nwords-1);
}
else
{
fprintf (stderr, "Do not recognize: '%s'\n", str_orig);
}
}
return;
}