static void WritePortalFile_r(const node_t* const node)
{
int i;
portal_t* p;
Winding* w;
dplane_t plane2;
if (!node->contents)
{
WritePortalFile_r(node->children[0]);
WritePortalFile_r(node->children[1]);
return;
}
if (node->contents == CONTENTS_SOLID)
{
return;
}
for (p = node->portals; p;)
{
w = p->winding;
if (w && p->nodes[0] == node)
{
if (p->nodes[0]->contents == p->nodes[1]->contents)
{
// 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
w->getPlane(plane2);
if (DotProduct(p->plane.normal, plane2.normal) < 1.0 - ON_EPSILON)
{ // backwards...
fprintf(pf, "%u %i %i ", w->m_NumPoints, p->nodes[1]->visleafnum, p->nodes[0]->visleafnum);
}
else
{
fprintf(pf, "%u %i %i ", w->m_NumPoints, p->nodes[0]->visleafnum, p->nodes[1]->visleafnum);
}
for (i = 0; i < w->m_NumPoints; i++)
{
fprintf(pf, "(%f %f %f) ", w->m_Points[i][0], w->m_Points[i][1], w->m_Points[i][2]);
}
fprintf(pf, "\n");
}
}
if (p->nodes[0] == node)
{
p = p->next[0];
}
else
{
p = p->next[1];
}
}
}
