/*
==================
FreeAllPortals
==================
*/
void
FreeAllPortals(node_t *node)
{
portal_t *p, *nextp;
if (!node->contents) {
FreeAllPortals(node->children[0]);
FreeAllPortals(node->children[1]);
}
for (p = node->portals; p; p = nextp) {
if (p->nodes[0] == node)
nextp = p->next[0];
else
nextp = p->next[1];
RemovePortalFromNode(p, p->nodes[0]);
RemovePortalFromNode(p, p->nodes[1]);
FreeMem(p->winding, WINDING, 1);
FreeMem(p, PORTAL, 1);
}
node->portals = NULL;
}
/*
==================
FreeAllPortals
==================
*/
void FreeAllPortals (node_t *node)
{
portal_t *p, *nextp;
if (!node->contents)
{
FreeAllPortals (node->children[0]);
FreeAllPortals (node->children[1]);
}
for (p=node->portals ; p ; p=nextp)
{
if (p->nodes[0] == node)
nextp = p->next[0];
else
nextp = p->next[1];
RemovePortalFromNode (p, p->nodes[0]);
RemovePortalFromNode (p, p->nodes[1]);
FreeWinding (p->winding);
FreePortal (p);
}
}
/*
===============
ProcessEntity
===============
*/
void ProcessEntity (int entnum)
{
entity_t *ent;
char mod[80];
surface_t *surfs;
node_t *nodes;
brushset_t *bs;
ent = &entities[entnum];
if (!ent->brushes)
return; // non-bmodel entity
if (entnum > 0)
{
worldmodel = false;
if (entnum == 1)
qprintf ("--- Internal Entities ---\n");
sprintf (mod, "*%i", nummodels);
if (verbose)
PrintEntity (ent);
if (hullnum == 0)
printf ("MODEL: %s\n", mod);
SetKeyValue (ent, "model", mod);
}
else
worldmodel = true;
//
// take the brush_ts and clip off all overlapping and contained faces,
// leaving a perfect skin of the model with no hidden faces
//
bs = Brush_LoadEntity (ent, hullnum);
if (!bs->brushes)
{
PrintEntity (ent);
Error ("Entity with no valid brushes");
}
brushset = bs;
surfs = CSGFaces (bs);
if (hullnum != 0)
{
nodes = SolidBSP (surfs, true);
if (entnum == 0 && !nofill) // assume non-world bmodels are simple
{
PortalizeWorld (nodes);
if (FillOutside (nodes))
{
surfs = GatherNodeFaces (nodes);
nodes = SolidBSP (surfs, false); // make a really good tree with proper heuristic splitting plane selection
}
FreeAllPortals (nodes);
}
WriteNodePlanes (nodes);
WriteClipNodes (nodes);
BumpModel (hullnum);
}
else
{
//
// SolidBSP generates a node tree
//
// if not the world, make a good tree first
// the world is just going to make a bad tree
// because the outside filling will force a regeneration later
nodes = SolidBSP (surfs, entnum == 0);
//
// build all the portals in the bsp tree
// some portals are solid polygons, and some are paths to other leafs
//
if (entnum == 0 && !nofill) // assume non-world bmodels are simple
{
PortalizeWorld (nodes);
if (FillOutside (nodes))
{
FreeAllPortals (nodes);
// get the remaining faces together into surfaces again
surfs = GatherNodeFaces (nodes);
// merge polygons
MergeAll (surfs);
// make a really good tree
nodes = SolidBSP (surfs, false);
// make the real portals for vis tracing
PortalizeWorld (nodes);
// save portal file for vis tracing
WritePortalfile (nodes);
// fix tjunctions
tjunc (nodes);
}
FreeAllPortals (nodes);
}
WriteNodePlanes (nodes);
MakeFaceEdges (nodes);
WriteDrawNodes (nodes);
}
}
