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tweak spotlight border calcs

master
Lee Salzman 2013-02-04 21:10:46 +02:00
parent 3b3655bff4
commit 5eaefb6a9c
1 changed files with 4 additions and 3 deletions
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7
src/engine/renderlights.cpp
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@ -3045,12 +3045,13 @@ int calcshadowinfo(const extentity &e, vec &origin, float &radius, vec &spotloc,
origin = e.o;
radius = e.attr1 > 0 ? e.attr1 : 2*worldsize;
int type, w;
int type, w, border;
float lod;
if(e.attached && e.attached->type == ET_SPOTLIGHT)
{
type = SM_SPOT;
w = 1;
border = 0;
lod = smspotprec;
spotloc = e.attached->o;
spotangle = clamp(int(e.attached->attr1), 1, 89);
@ -3069,13 +3070,13 @@ int calcshadowinfo(const extentity &e, vec &origin, float &radius, vec &spotloc,
w = 3;
lod = smcubeprec;
}
border = smfilter > 2 ? smborder2 : smborder;
spotloc = e.o;
spotangle = 0;
}
lod *= smminsize;
int size = clamp(int(ceil((lod * shadowatlaspacker.w) / SHADOWATLAS_SIZE)), 1, shadowatlaspacker.w / w),
border = smfilter > 2 ? smborder2 : smborder;
int size = clamp(int(ceil((lod * shadowatlaspacker.w) / SHADOWATLAS_SIZE)), 1, shadowatlaspacker.w / w);
bias = border / float(size - border);
return type;