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light: quick hack fix of spotlights in bounce mode

This commit is contained in:
Eric Wasylishen 2016-08-06 17:31:39 -06:00
parent 718ffdc789
commit 5e6f2220e8
1 changed files with 15 additions and 1 deletions
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16
light/ltface.cc
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@ -1321,6 +1321,20 @@ GetDirectLighting(raystream_t *rs, const vec3_t origin, const vec3_t normal, vec
// apply anglescale
cosangle = (1.0 - entity.anglescale.floatValue()) + entity.anglescale.floatValue() * cosangle;
/* Check spotlight cone */
float spotscale = 1;
if (entity.spotlight) {
vec_t falloff = DotProduct(entity.spotvec, originLightDir);
if (falloff > entity.spotfalloff)
continue;
if (falloff > entity.spotfalloff2) {
/* Interpolate between the two spotlight falloffs */
spotscale = falloff - entity.spotfalloff2;
spotscale /= entity.spotfalloff - entity.spotfalloff2;
spotscale = 1.0 - spotscale;
}
}
vec_t lightval = GetLightValue(&entity, dist);
if (lightval < 0.25)
continue;
@ -1328,7 +1342,7 @@ GetDirectLighting(raystream_t *rs, const vec3_t origin, const vec3_t normal, vec
if (!TestLight(*entity.origin.vec3Value(), origin, NULL))
continue;
VectorMA(colorout, lightval * cosangle / 255.0f, *entity.color.vec3Value(), colorout);
VectorMA(colorout, lightval * cosangle * spotscale / 255.0f, *entity.color.vec3Value(), colorout);
}
for (const sun_t &sun : GetSuns())