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Few fixes for the visibility checks.

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git-svn-id: https://svn.eduke32.com/eduke32@1328 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
plagman 2009-04-16 06:31:19 +00:00
parent 1889e9151b
commit 6dba1ba1ed
1 changed files with 44 additions and 31 deletions
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75
polymer/eduke32/build/src/polymer.c
View file

@ -1101,8 +1101,11 @@ static void polymer_displayrooms(int16_t dacursectnum)
(wallvisible(sec->wallptr + i)) &&
(polymer_planeinfrustum(&prwalls[sec->wallptr + i]->mask, frustum)))
{
if (prwalls[sec->wallptr + i]->mask.vertcount == 4)
if ((prwalls[sec->wallptr + i]->mask.vertcount == 4) &&
!(prwalls[sec->wallptr + i]->underover & 4) &&
!(prwalls[sec->wallptr + i]->underover & 8))
{
// early exit for closed sectors
_prwall *w;
w = prwalls[sec->wallptr + i];
@ -1128,45 +1131,55 @@ static void polymer_displayrooms(int16_t dacursectnum)
mirrorcount++;
}
if (doquery && (!drawingstate[wall[sec->wallptr + i].nextsector]))
{
float pos[3], sqdist;
int32_t oldoverridematerial;
if (!(wall[sec->wallptr + i].cstat & 32)) {
if (doquery && (!drawingstate[wall[sec->wallptr + i].nextsector]))
{
float pos[3], sqdist;
int32_t oldoverridematerial;
pos[0] = globalposy;
pos[1] = -(float)(globalposz) / 16.0f;
pos[2] = -globalposx;
pos[0] = globalposy;
pos[1] = -(float)(globalposz) / 16.0f;
pos[2] = -globalposx;
sqdist = prwalls[sec->wallptr + i]->mask.plane[0] * pos[0] +
prwalls[sec->wallptr + i]->mask.plane[1] * pos[1] +
prwalls[sec->wallptr + i]->mask.plane[2] * pos[2] +
prwalls[sec->wallptr + i]->mask.plane[3];
sqdist = prwalls[sec->wallptr + i]->mask.plane[0] * pos[0] +
prwalls[sec->wallptr + i]->mask.plane[1] * pos[1] +
prwalls[sec->wallptr + i]->mask.plane[2] * pos[2] +
prwalls[sec->wallptr + i]->mask.plane[3];
// hack to avoid occlusion querying portals that are too close to the viewpoint
// this is needed because of the near z-clipping plane;
if (sqdist < 100)
queryid[sec->wallptr + i] = 0xFFFFFFFF;
else {
bglColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
bglDepthMask(GL_FALSE);
// hack to avoid occlusion querying portals that are too close to the viewpoint
// this is needed because of the near z-clipping plane;
if (sqdist < 100)
queryid[sec->wallptr + i] = 0xFFFFFFFF;
else {
_prwall *w;
bglGenQueriesARB(1, &queryid[sec->wallptr + i]);
bglBeginQueryARB(GL_SAMPLES_PASSED_ARB, queryid[sec->wallptr + i]);
w = prwalls[sec->wallptr + i];
oldoverridematerial = overridematerial;
overridematerial = 0;
bglColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
bglDepthMask(GL_FALSE);
polymer_drawplane(&prwalls[sec->wallptr + i]->mask);
bglGenQueriesARB(1, &queryid[sec->wallptr + i]);
bglBeginQueryARB(GL_SAMPLES_PASSED_ARB, queryid[sec->wallptr + i]);
overridematerial = oldoverridematerial;
oldoverridematerial = overridematerial;
overridematerial = 0;
bglEndQueryARB(GL_SAMPLES_PASSED_ARB);
if ((w->underover & 4) && (w->underover & 1))
polymer_drawplane(&w->wall);
polymer_drawplane(&w->mask);
if ((w->underover & 8) && (w->underover & 2))
polymer_drawplane(&w->over);
bglDepthMask(GL_TRUE);
bglColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
}
} else
queryid[sec->wallptr + i] = 1;
overridematerial = oldoverridematerial;
bglEndQueryARB(GL_SAMPLES_PASSED_ARB);
bglDepthMask(GL_TRUE);
bglColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
}
} else
queryid[sec->wallptr + i] = 1;
}
}
i++;