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simplify minlight stuff 

adjust scalar for surface lights so they are visible without bounce

(cherry picked from commit f4854ddb20)
This commit is contained in:
Jonathan 2022-07-04 22:43:07 -04:00
parent fb3ff5decd
commit 0419f5e38e
1 changed files with 21 additions and 11 deletions
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32
light/ltface.cc
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@ -3165,18 +3165,28 @@ void DirectLightFace(const mbsp_t *bsp, lightsurf_t &lightsurf, const settings::
LightFace_SurfaceLight(bsp, &lightsurf, lightmaps);
}
/* minlight - Use Q2 surface light, or the greater of global or model minlight. */
if (auto value = IsSurfaceLitFace(bsp, face)) {
LightFace_Min(bsp, face, Face_LookupTextureColor(bsp, face), *value * 2.0f, &lightsurf,
lightmaps); // Playing by the eye here... 2.0 == 256 / 128; 128 is the light value, at which the surface
// is renered fullbright, when using arghrad3
} else if (lightsurf.minlight > cfg.minlight.value()) {
LightFace_Min(bsp, face, lightsurf.minlight_color, lightsurf.minlight, &lightsurf, lightmaps);
} else {
const float light = cfg.minlight.value();
const qvec3d &color = cfg.minlight_color.value();
float minlight = 0;
qvec3d minlight_color;
LightFace_Min(bsp, face, color, light, &lightsurf, lightmaps);
/* minlight - use the greater of global or model minlight, or Q2 surface emission */
if (lightsurf.minlight > cfg.minlight.value()) {
minlight = lightsurf.minlight;
minlight_color = lightsurf.minlight_color;
} else {
minlight = cfg.minlight.value();
minlight_color = cfg.minlight_color.value();
}
if (!minlight) {
if (auto value = IsSurfaceLitFace(bsp, face)) {
minlight = *value * 64.0f;
minlight_color = Face_LookupTextureColor(bsp, face);
}
}
if (minlight) {
LightFace_Min(bsp, face, minlight_color, minlight, &lightsurf,
lightmaps);
}
/* negative lights */