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Fix rtlights with decoupled lightmaps.

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This commit is contained in:
Shpoike 2023-08-13 02:35:06 +01:00
parent 330cbcdb20
commit 345a0978c6
1 changed files with 10 additions and 4 deletions
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14
engine/gl/gl_shadow.c
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@ -1010,6 +1010,8 @@ static void SHM_RecursiveWorldNodeQ2_r (dlight_t *dl, mnode_t *node)
float l, maxdist;
int j, s, t;
vec3_t impact;
vec4_t *lmvecs;
float *lmvecscale;
if (node->shadowframe != sh_shadowframe)
return;
@ -1120,13 +1122,17 @@ static void SHM_RecursiveWorldNodeQ2_r (dlight_t *dl, mnode_t *node)
for (j=0 ; j<3 ; j++)
impact[j] = dl->origin[j] - surf->plane->normal[j]*dot;
if (currentmodel->facelmvecs)
lmvecs = currentmodel->facelmvecs[surf-currentmodel->surfaces].lmvecs, lmvecscale = currentmodel->facelmvecs[surf-currentmodel->surfaces].lmvecscale;
else
lmvecs = surf->texinfo->vecs, lmvecscale = surf->texinfo->vecscale;
// clamp center of light to corner and check brightness
l = DotProduct (impact, surf->texinfo->vecs[0]) + surf->texinfo->vecs[0][3] - surf->texturemins[0];
l = DotProduct (impact, lmvecs[0]) + lmvecs[0][3] - surf->texturemins[0];
s = l;if (s < 0) s = 0;else if (s > surf->extents[0]) s = surf->extents[0];
s = (l - s)*surf->texinfo->vecscale[0];
l = DotProduct (impact, surf->texinfo->vecs[1]) + surf->texinfo->vecs[1][3] - surf->texturemins[1];
s = (l - s)*lmvecscale[0];
l = DotProduct (impact, lmvecs[1]) + lmvecs[1][3] - surf->texturemins[1];
t = l;if (t < 0) t = 0;else if (t > surf->extents[1]) t = surf->extents[1];
t = (l - t)*surf->texinfo->vecscale[1];
t = (l - t)*lmvecscale[1];
// compare to minimum light
if ((s*s+t*t+dot*dot) < maxdist)
{