/*
================
NumberLeafs_r
================
*/
void NumberLeafs_r( node_t *node ){
portal_t *p;
if ( node->planenum != PLANENUM_LEAF && !node->detail_seperator ) { // decision node
node->cluster = -99;
NumberLeafs_r( node->children[0] );
NumberLeafs_r( node->children[1] );
return;
}
// either a leaf or a detail cluster
if ( node->contents & CONTENTS_SOLID ) { // solid block, viewpoint never inside
node->cluster = -1;
return;
}
FillLeafNumbers_r( node, num_visclusters );
num_visclusters++;
// count the portals
for ( p = node->portals ; p ; )
{
if ( p->nodes[0] == node ) { // only write out from first leaf
if ( Portal_VisFlood( p ) ) {
num_visportals++;
}
p = p->next[0];
}
else{
p = p->next[1];
}
}
}
/*
=================
WritePortalFile_r
=================
*/
void WritePortalFile_r (node_t *node)
{
int i, s;
portal_t *p;
winding_t *w;
vec3_t normal;
vec_t dist;
// decision node
if (node->planenum != PLANENUM_LEAF && !node->detail_seperator)
{
WritePortalFile_r (node->children[0]);
WritePortalFile_r (node->children[1]);
return;
}
if (node->contents & CONTENTS_SOLID)
return;
for (p = node->portals ; p ; p=p->next[s])
{
w = p->winding;
s = (p->nodes[1] == node);
if (w && p->nodes[0] == node)
{
if (!Portal_VisFlood (p))
continue;
// write out to the file
// sometimes planes get turned around when they are very near
// the changeover point between different axis. interpret the
// plane the same way vis will, and flip the side orders if needed
// FIXME: is this still relevent?
WindingPlane (w, normal, &dist);
if ( DotProduct (p->plane.normal, normal) < 0.99 )
{ // backwards...
fprintf (pf,"%i %i %i ",w->numpoints, p->nodes[1]->cluster, p->nodes[0]->cluster);
}
else
fprintf (pf,"%i %i %i ",w->numpoints, p->nodes[0]->cluster, p->nodes[1]->cluster);
for (i=0 ; i<w->numpoints ; i++)
{
fprintf (pf,"(");
WriteFloat (pf, w->p[i][0]);
WriteFloat (pf, w->p[i][1]);
WriteFloat (pf, w->p[i][2]);
fprintf (pf,") ");
}
fprintf (pf,"\n");
}
}
}