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Support negative lights.

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This commit is contained in:
Bill Currie 2010-10-16 12:40:49 +09:00
parent efce040d48
commit 2d8b011bc8
1 changed files with 8 additions and 4 deletions
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12
tools/qflight/source/ltface.c
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@ -340,16 +340,20 @@ SingleLightFace (entity_t *light, lightinfo_t *l)
switch (light->attenuation) {
case LIGHT_LINEAR:
add = light->light - dist;
add = fabs (light->light) - dist;
break;
case LIGHT_RADIUS:
add = light->light * (light->radius - dist) / light->radius;
add = fabs (light->light) * (light->radius - dist);
add /= light->radius;
break;
case LIGHT_INVERSE:
add = light->light / dist;
add = fabs (light->light) / dist;
break;
case LIGHT_REALISTIC:
add = light->light / (dist * dist);
add = fabs (light->light) / (dist * dist);
break;
case LIGHT_NO_ATTEN:
add = fabs (light->light);
break;
case LIGHT_LH:
add = 1 / (dist * dist * lightfalloff + LIGHTDISTBIAS);