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Implement mightsee updates from tyrutils.

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It doesn't seem to make much difference, but I suspect that's my set code
not being optimal for the job.
This commit is contained in:
Bill Currie 2013-03-09 14:32:51 +09:00
parent d1e65257b6
commit 3232c22795
2 changed files with 58 additions and 3 deletions
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2
tools/qfvis/source/flow.c
View file

@ -430,6 +430,4 @@ PortalFlow (portal_t *portal)
data.pstack_head.mightsee = portal->mightsee; data.pstack_head.mightsee = portal->mightsee;
RecursiveClusterFlow (portal->cluster, &data.pstack_head); RecursiveClusterFlow (portal->cluster, &data.pstack_head);
portal->status = stat_done;
} }

59
tools/qfvis/source/qfvis.c
View file

@ -76,6 +76,7 @@ int c_portaltest;
int c_portalpass; int c_portalpass;
int c_portalcheck; int c_portalcheck;
int c_vistest; int c_vistest;
int c_mightseeupdate;
int portal_count; int portal_count;
int numportals; int numportals;
@ -278,6 +279,60 @@ GetNextPortal (void)
return p; return p;
} }
static void
UpdateMightsee (cluster_t *source, cluster_t *dest)
{
int i, clusternum;
portal_t *portal;
clusternum = dest - clusters;
for (i = 0; i < source->numportals; i++) {
portal = source->portals[i];
if (portal->status != stat_none)
continue;
if (set_is_member (portal->mightsee, clusternum)) {
set_remove (portal->mightsee, clusternum);
portal->nummightsee--;
c_mightseeupdate++;
}
}
}
static void
PortalCompleted (portal_t *completed)
{
portal_t *portal;
cluster_t *cluster;
set_t *changed;
set_iter_t *ci;
int i, j;
completed->status = stat_done;
LOCK;
changed = set_new_size (portalclusters);
cluster = &clusters[completed->cluster];
for (i = 0; i < cluster->numportals; i++) {
portal = cluster->portals[i];
if (portal->status != stat_done)
continue;
set_assign (changed, portal->mightsee);
set_difference (changed, portal->visbits);
for (j = 0; j < cluster->numportals; j++) {
if (j == i)
continue;
if (cluster->portals[j]->status == stat_done)
set_difference (changed, cluster->portals[j]->visbits);
else
set_difference (changed, cluster->portals[j]->mightsee);
}
for (ci = set_first (changed); ci; ci = set_next (ci)) {
UpdateMightsee (&clusters[ci->element], cluster);
}
}
set_delete (changed);
UNLOCK;
}
static void * static void *
LeafThread (void *_thread) LeafThread (void *_thread)
{ {
@ -293,6 +348,8 @@ LeafThread (void *_thread)
working[thread] = (int) (portal - portals); working[thread] = (int) (portal - portals);
PortalFlow (portal); PortalFlow (portal);
PortalCompleted (portal);
if (options.verbosity > 1) if (options.verbosity > 1)
printf ("portal:%5i mightsee:%5i cansee:%5i %5d/%d\n", printf ("portal:%5i mightsee:%5i cansee:%5i %5d/%d\n",
(int) (portal - portals), (int) (portal - portals),
@ -499,7 +556,7 @@ CalcPortalVis (void)
if (options.verbosity > 0) { if (options.verbosity > 0) {
printf ("portalcheck: %i portaltest: %i portalpass: %i\n", printf ("portalcheck: %i portaltest: %i portalpass: %i\n",
c_portalcheck, c_portaltest, c_portalpass); c_portalcheck, c_portaltest, c_portalpass);
printf ("c_vistest: %i c_mighttest: %i\n", c_vistest, c_mighttest); printf ("c_vistest: %i c_mighttest: %i c_mightseeupdate: %i\n", c_vistest, c_mighttest, c_mightseeupdate);
} }
} }