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This adds a fast light culling test for non-sloped floors and ceilings (TerminX suggested that change).

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git-svn-id: https://svn.eduke32.com/eduke32@1419 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
plagman 2009-06-07 20:27:45 +00:00
parent e8cbecf935
commit 6a7fe88d68
1 changed files with 20 additions and 5 deletions
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25
polymer/eduke32/build/src/polymer.c
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@ -4489,6 +4489,7 @@ static inline void polymer_culllight(int16_t lighti)
int32_t back;
int32_t i;
int32_t j;
int32_t zdiff;
_prsector *s;
_prwall *w;
sectortype *sec;
@ -4508,13 +4509,27 @@ static inline void polymer_culllight(int16_t lighti)
polymer_pokesector(sectorqueue[front]);
if (polymer_planeinlight(&s->floor, light)) {
polymer_addplanelight(&s->floor, lighti);
}
zdiff = light->z - s->floorz;
if (zdiff < 0)
zdiff = -zdiff;
zdiff >>= 4;
if (polymer_planeinlight(&s->ceil, light)) {
if (!light->radius && !sec->floorheinum) {
if (zdiff < light->range)
polymer_addplanelight(&s->floor, lighti);
} else if (polymer_planeinlight(&s->floor, light))
polymer_addplanelight(&s->floor, lighti);
zdiff = light->z - s->ceilingz;
if (zdiff < 0)
zdiff = -zdiff;
zdiff >>= 4;
if (!light->radius && !sec->ceilingheinum) {
if (zdiff < light->range)
polymer_addplanelight(&s->ceil, lighti);
} else if (polymer_planeinlight(&s->ceil, light))
polymer_addplanelight(&s->ceil, lighti);
}
i = 0;
while (i < sec->wallnum)