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Implement creating HE_edges and HE_faces

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hasufell 2014-05-08 17:37:22 +02:00
parent c8eca1b978
commit 3aa6c59904
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1 changed files with 51 additions and 0 deletions
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51
parser.c
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@ -136,11 +136,62 @@ HE_obj *parse_obj(char const * const filename)
str_tmp_ptr = strtok_r(NULL, "\n", &str_ptr_newline);
}
faces = (HE_face*) malloc(fc);
CHECK_PTR_VAL(faces);
/* create HE_edges and real HE_faces */
for (uint32_t i = 0; i < fc; i++) {
uint32_t j = 0;
/* for all vertices of the face */
while (face_v[i][j]) {
HE_edge *tmp_edge_ptr = NULL;
tmp_edge_ptr = (HE_edge*) realloc(edges,
sizeof(HE_edge) * (ec + 1));
CHECK_PTR_VAL(tmp_edge_ptr);
edges = tmp_edge_ptr;
edges[ec].vert = &(vertices[face_v[i][j] - 1]);
faces[j].edge = &(edges[ec]); /* last one will win */
edges[ec].face = &(faces[j]);
edges[ec].pair = NULL; /* preliminary */
if (face_v[i][j + 1])
edges[ec].next = &(edges[ec + 1]);
else
edges[ec].next = &(edges[ec - j]);
ec++;
j++;
}
}
/* find pairs */
/* TODO: acceleration */
for (uint32_t i = 0; i < fc; i++) {
HE_vert *next_vert = edges[i].next->vert;
for (uint32_t j = 0; j < fc; j++)
if (next_vert == edges[j].vert)
edges[i].pair = &(edges[j]);
}
obj = (HE_obj*) malloc(sizeof(HE_obj));
CHECK_PTR_VAL(obj);
obj->vertices = vertices;
obj->vc = vc;
obj->edges = edges;
obj->ec = ec;
obj->faces = faces;
obj->fc = fc;
print_plain_faces(face_v, fc);
print_vertices(obj);
print_edges(obj);
free(string);
return NULL;
}