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fix deluxemap when lit from the wrong side as good as possible (by ignoring the deluxemap contribution). now the invariant "deluxemap vector points away from the surface" should hold.

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cull none + deluxemapping still is broken by design, but less broken now.


git-svn-id: svn://svn.icculus.org/netradiant/trunk@111 61c419a2-8eb2-4b30-bcec-8cead039b335
This commit is contained in:
rpolzer 2008-09-30 13:29:31 +00:00
parent 42d241347b
commit ef9e16cdb9
1 changed files with 8 additions and 5 deletions
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3
tools/quake3/q3map2/light_ydnar.c
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@ -2100,6 +2100,8 @@ void IlluminateRawLightmap( int rawLightmapNum )
/* add to light direction map (fixme: use luxel normal as starting point for deluxel?) */
if( deluxemap )
{
if(DotProduct(normal, trace.direction) > 0) // do not take light from the back side
{
/* color to grayscale (photoshop rgb weighting) */
brightness = trace.color[ 0 ] * 0.3f + trace.color[ 1 ] * 0.59f + trace.color[ 2 ] * 0.11f;
@ -2109,6 +2111,7 @@ void IlluminateRawLightmap( int rawLightmapNum )
}
}
}
}
/* don't even bother with everything else if nothing was lit */
if( totalLighted == 0 )