static void
CalcVis (void)
{
int i;
BasePortalVis ();
CalcPortalVis ();
// assemble the leaf vis lists by oring and compressing the portal lists
for (i = 0; i < portalclusters; i++)
ClusterFlow (i);
for (i = 0; i < numrealleafs; i++) {
bsp->leafs[i + 1].visofs = clusters[leafcluster[i]].visofs;
}
if (options.verbosity >= 0)
printf ("average clusters visible: %i\n", totalvis / portalclusters);
}
/*
==================
CalcVis
==================
*/
void
CalcVis(const bsp2_t *bsp)
{
int i;
if (LoadVisState()) {
logprint("Loaded previous state. Resuming progress...\n");
} else {
logprint("Calculating Base Vis:\n");
BasePortalVis();
}
logprint("Calculating Full Vis:\n");
CalcPortalVis(bsp);
//
// assemble the leaf vis lists by oring and compressing the portal lists
//
if (portalleafs == portalleafs_real) {
for (i = 0; i < portalleafs; i++)
LeafFlow(i, &bsp->dleafs[i + 1]);
} else {
leafbits_t *buffer;
logprint("Expanding clusters...\n");
buffer = malloc(LeafbitsSize(portalleafs));
for (i = 0; i < portalleafs; i++) {
memset(buffer, 0, LeafbitsSize(portalleafs));
ClusterFlow(i, buffer);
}
free(buffer);
// Set pointers
for (i = 0; i < portalleafs_real; i++) {
bsp->dleafs[i + 1].visofs = leafs[clustermap[i]].visofs;
}
}
logprint("average leafs visible: %i\n", totalvis / portalleafs_real);
}