static void read_face_vertices(vector_t vv, const char *line)
{
const char *c = line;
int dc;
int vj, vc = vecnum(_vv);
int uj, uc = vecnum(_uv);
int nj, nc = vecnum(_nv);
int i;
/* Scan down the face string recording index set specifications. */
while ((dc = read_face_indices(c, &vj, &uj, &nj)))
if ((i = vecadd(vv)) >= 0)
{
struct object_vert *v = (struct object_vert *) vecget(vv, i);
/* Convert a face index to a vector index. */
int ui = (uj > 0) ? uj - 1 : uj + uc;
int ni = (nj > 0) ? nj - 1 : nj + nc;
int vi = (vj > 0) ? vj - 1 : vj + vc;
/* Locate the indexed values in the vector caches. */
struct vec2 *up = (0 <= ui && ui < uc) ? vecget(_uv, ui) : NULL;
struct vec3 *np = (0 <= ni && ni < nc) ? vecget(_nv, ni) : NULL;
struct vec3 *vp = (0 <= vi && vi < vc) ? vecget(_vv, vi) : NULL;
/* Initialize the new vertex, defaulting on bad input. */
v->u[0] = up ? up->u : 0.0f;
v->u[1] = up ? up->v : 0.0f;
v->n[0] = np ? np->x : 0.0f;
v->n[1] = np ? np->y : 0.0f;
v->n[2] = np ? np->z : 1.0f;
v->v[0] = vp ? vp->x : 0.0f;
v->v[1] = vp ? vp->y : 0.0f;
v->v[2] = vp ? vp->z : 0.0f;
/* Note bad indices. */
if (uj && !up) uerr++;
if (nj && !np) nerr++;
if (vj && !vp) verr++;
c += dc;
}
}
file_load_status quake3_bsp_map::load(istream& stream) {
if (!stream.good()) {
m_last_error = "The stream was invalid";
return FILE_NOT_FOUND;
}
if (!load_and_check_header(stream)) {
m_last_error = "Map contains an invalid header string";
return FILE_LOAD_FAILED;
}
read_lumps(stream);
read_entities(stream);
read_vertices(stream);
read_faces(stream);
read_face_indices(stream);
read_textures(stream);
read_lightmaps(stream);
read_bsp_nodes(stream);
read_bsp_leaves(stream);
read_bsp_leaf_faces(stream);
read_bsp_leaf_brushes(stream);
read_models(stream);
read_planes(stream);
read_brushes(stream);
read_brushsides(stream);
read_effects(stream);
read_lightvols(stream);
read_visibility_data(stream);
do_post_load();
print_statistics();
return FILE_LOAD_SUCCESS;
}