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Use a set for portalsee.

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This removes the hard coding of the size of portalsee, which looks to have
been too small for some maps.
This commit is contained in:
Bill Currie 2013-03-07 11:35:08 +09:00
parent 299ff8f575
commit 9b4beaf3f8
1 changed files with 7 additions and 4 deletions
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11
tools/qfvis/source/base-vis.c
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@ -58,7 +58,7 @@
#include "options.h"
static int clustersee;
static byte portalsee[MAX_PORTALS];
static set_t *portalsee;
/*
This is a rough first-order aproximation that is used to trivially reject
@ -80,7 +80,7 @@ SimpleFlood (portal_t *srcportal, int clusternum)
for (i = 0; i < cluster->numportals; i++) {
portal = cluster->portals[i];
if (!portalsee[portal - portals])
if (!set_is_member (portalsee, portal - portals))
continue;
SimpleFlood (srcportal, portal->cluster);
}
@ -94,10 +94,13 @@ BasePortalVis (void)
portal_t *tp, *portal;
winding_t *winding;
if (portalsee)
set_delete (portalsee);
portalsee = set_new_size (numportals * 2);
for (i = 0, portal = portals; i < numportals * 2; i++, portal++) {
portal->mightsee = set_new_size (portalclusters);
memset (portalsee, 0, numportals * 2);
set_empty (portalsee);
for (j = 0, tp = portals; j < numportals * 2; j++, tp++) {
if (j == i)
@ -123,7 +126,7 @@ BasePortalVis (void)
if (k == winding->numpoints)
continue; // no points on front
portalsee[j] = 1;
set_add (portalsee, j);
}
clustersee = 0;