/** Get all tuples for a structure. */
struct mdt_tuple_list *tupclass(const struct mod_structure *struc,
const struct mod_sequence *seq,
const struct mdt_atom_class_list *atclass,
const struct mod_libraries *libs)
{
int i;
struct mdt_tuple_list *tuples;
GArray *tlist;
tuples = g_malloc(sizeof(struct mdt_tuple_list) * struc->cd.natm);
tlist = g_array_new(FALSE, FALSE, sizeof(struct mdt_tuple));
for (i = 0; i < struc->cd.natm; i++) {
if (atmdefd(i, &struc->cd)) {
get_tuples(i, struc, seq, atclass, tlist, libs);
}
if (tlist->len > 0) {
tuples[i].ntuples = tlist->len;
tuples[i].tuples = (struct mdt_tuple *)g_array_free(tlist, FALSE);
tlist = g_array_new(FALSE, FALSE, sizeof(struct mdt_tuple));
} else {
tuples[i].ntuples = 0;
tuples[i].tuples = NULL;
}
}
g_array_free(tlist, TRUE);
return tuples;
}
//returns -1 on fail, number of vertices on success
int load_off_mesh(FILE* fp, jmesh *jm){
fseek(fp, 0, SEEK_SET); //ensure we are at the start of the file
if(is_off_file(fp) != 0){
fprintf(stderr, "not an off file\n");
return -1;
}
int i;
i=get_verts_faces(fp, jm);
if(i != 3){
fprintf(stderr,"off file corrupt on line 2\n");
return -1;
}
i=get_tuples(fp, jm);
if(i != jm->nvert){
fprintf(stderr,"off file corrupt on tuple line %d\n", i);
return -1;
}
i=get_faces(fp, jm);
if(i != jm->ntri){
fprintf(stderr,"off file corrupt on polygon line %d\n", i);
return -1;
}
get_normals(jm);
get_centroid(jm, jm->center);
return i;
}