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possible alternate fix for #261 

Eric: gmsp3v2.bsp vis: 51.96s -> 18.57s (32 threads)
This commit is contained in:
Erika 2023-08-07 20:32:07 +01:00 committed by Eric Wasylishen
parent 64daf7ef75
commit c94d44ae61
1 changed files with 21 additions and 8 deletions
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29
vis/flow.cc
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@ -388,29 +388,42 @@ static void BasePortalThread(size_t portalnum)
if (d < -tw.radius)
continue;
int cctp = 0;
size_t j;
for (j = 0; j < tw.size(); j++) {
d = p.plane.distance_to(tw[j]);
if (d > -VIS_ON_EPSILON) // ericw -- changed from > ON_EPSILON for
// https://github.com/ericwa/ericw-tools/issues/261
cctp += d > -VIS_ON_EPSILON;
if (d > VIS_ON_EPSILON)
break;
}
if (j == tw.size())
continue; // no points on front
if (j == tw.size()) {
if (cctp != tw.size())
continue; // no points on front
} else
cctp = 0;
// Quick test - completely on front?
d = tp.plane.distance_to(w.origin);
if (d > w.radius)
continue;
int ccp = 0;
for (j = 0; j < w.size(); j++) {
d = tp.plane.distance_to(w[j]);
if (d < VIS_ON_EPSILON) // ericw -- changed from < -ON_EPSILON for
// https://github.com/ericwa/ericw-tools/issues/261
ccp += d < VIS_ON_EPSILON;
if (d < -VIS_ON_EPSILON)
break;
}
if (j == w.size())
continue; // no points on back
if (j == w.size()) {
if (ccp != w.size())
continue; // no points on back
} else
ccp = 0;
// coplanarity check
if (cctp != 0 || ccp != 0)
if (qv::dot(p.plane.normal, tp.plane.normal) < -0.99)
continue;
if (vis_options.visdist.value() > 0) {
if (tp.winding->distFromPortal(p) > vis_options.visdist.value() ||