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files/light: rearrange light code

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This commit is contained in:
Denis Pauk 2024-03-25 23:05:58 +02:00
parent f3ae3beacd
commit eb566c3b70
1 changed files with 18 additions and 11 deletions
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29
src/client/refresh/files/light.c
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@ -297,20 +297,19 @@ R_AddDynamicLights(const msurface_t *surf, const refdef_t *r_newrefdef,
float *s_blocklights, const float *s_blocklights_max)
{
int lnum;
float fdist, frad, fminlight;
vec3_t impact, local;
int t;
int i;
int smax, tmax;
dlight_t *dl;
float *plightdest;
float fsacc, ftacc;
smax = (surf->extents[0] >> surf->lmshift) + 1;
tmax = (surf->extents[1] >> surf->lmshift) + 1;
for (lnum = 0; lnum < r_newrefdef->num_dlights; lnum++)
{
float ftacc, fdist, frad, fminlight;
vec3_t impact, local;
float *plightdest;
dlight_t *dl;
int t, i;
if (!(surf->dlightbits & (1 << lnum)))
{
continue; /* not lit by this light */
@ -347,6 +346,7 @@ R_AddDynamicLights(const msurface_t *surf, const refdef_t *r_newrefdef,
for (t = 0, ftacc = 0; t < tmax; t++, ftacc += (1 << surf->lmshift))
{
float fsacc;
int s, td;
td = local[1] - ftacc;
@ -358,7 +358,7 @@ R_AddDynamicLights(const msurface_t *surf, const refdef_t *r_newrefdef,
td *= surf->lmvlen[1];
for (s = 0, fsacc = 0; s < smax; s++, fsacc += (1 << surf->lmshift), plightdest += 3)
for (s = 0, fsacc = 0; s < smax; s++, fsacc += (1 << surf->lmshift))
{
int sd;
@ -383,10 +383,17 @@ R_AddDynamicLights(const msurface_t *surf, const refdef_t *r_newrefdef,
if ((fdist < fminlight) && (plightdest < (s_blocklights_max - 3)))
{
float diff = frad - fdist;
int j;
plightdest[0] += diff * dl->color[0];
plightdest[1] += diff * dl->color[1];
plightdest[2] += diff * dl->color[2];
for (j = 0; j < 3; j++)
{
*plightdest += diff * dl->color[j];
plightdest ++;
}
}
else
{
plightdest += 3;
}
}
}