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more deluxemap+surfacelight fixes

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This commit is contained in:
Rudolf Polzer 2010-09-23 08:30:17 +02:00
parent c13784bc3a
commit 30a8c2c22c
1 changed files with 13 additions and 1 deletions
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14
tools/quake3/q3map2/light.c
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@ -822,7 +822,7 @@ int LightContributionToSample( trace_t *trace )
angle = DotProduct( trace->normal, trace->direction );
/* twosided lighting */
if( trace->twoSided )
if( trace->twoSided && angle < 0 )
{
angle = -angle;
@ -836,8 +836,13 @@ int LightContributionToSample( trace_t *trace )
return 0;
else if( angle < 0.0f &&
(trace->twoSided || (light->flags & LIGHT_TWOSIDED)) )
{
angle = -angle;
/* no deluxemap contribution from "other side" light */
doAddDeluxe = qfalse;
}
/* clamp the distance to prevent super hot spots */
dist = sqrt(dist * dist + light->extraDist * light->extraDist);
if( dist < 16.0f )
@ -879,6 +884,13 @@ int LightContributionToSample( trace_t *trace )
return 0;
}
/* also don't deluxe if the direction is on the wrong side */
if(DotProduct(trace->normal, trace->direction) < 0)
{
/* no deluxemap contribution from "other side" light */
doAddDeluxe = qfalse;
}
/* ydnar: moved to here */
add = factor * light->add;