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More use of mathlib, and some small optimizations.

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Ragnvald Maartmann-Moe IV 2001-11-09 18:51:33 +00:00
parent 3d572df460
commit 1dfd2d4eaf
1 changed files with 8 additions and 10 deletions
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18
libs/video/renderer/gl/gl_rsurf.c
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@ -160,9 +160,7 @@ R_AddDynamicLights (msurface_t *surf)
VectorSubtract (r_dlights[lnum].origin, currententity->origin, local); VectorSubtract (r_dlights[lnum].origin, currententity->origin, local);
dist = DotProduct (local, surf->plane->normal) - surf->plane->dist; dist = DotProduct (local, surf->plane->normal) - surf->plane->dist;
for (i = 0; i < 3; i++) VectorMA (r_dlights[lnum].origin, -dist, surf->plane->normal, impact);
impact[i] =
r_dlights[lnum].origin[i] - surf->plane->normal[i] * dist;
i = DotProduct (impact, surf->texinfo->vecs[0]) + i = DotProduct (impact, surf->texinfo->vecs[0]) +
surf->texinfo->vecs[0][3] - surf->texturemins[0]; surf->texinfo->vecs[0][3] - surf->texturemins[0];
@ -274,11 +272,11 @@ R_BuildLightMap (msurface_t *surf, byte * dest, int stride)
case 4: case 4:
for (i = 0; i < tmax; i++, dest += stride) { for (i = 0; i < tmax; i++, dest += stride) {
for (j = 0; j < smax; j++) { for (j = 0; j < smax; j++) {
*dest++ = bound (0, *bl >> shift, 255); *dest++ = min (*bl >> shift, 255);
bl++; bl++;
*dest++ = bound (0, *bl >> shift, 255); *dest++ = min (*bl >> shift, 255);
bl++; bl++;
*dest++ = bound (0, *bl >> shift, 255); *dest++ = min (*bl >> shift, 255);
bl++; bl++;
*dest++ = 255; *dest++ = 255;
} }
@ -287,11 +285,11 @@ R_BuildLightMap (msurface_t *surf, byte * dest, int stride)
case 3: case 3:
for (i = 0; i < tmax; i++, dest += stride) { for (i = 0; i < tmax; i++, dest += stride) {
for (j = 0; j < smax; j++) { for (j = 0; j < smax; j++) {
*dest++ = bound (0, *bl >> shift, 255); *dest++ = min (*bl >> shift, 255);
bl++; bl++;
*dest++ = bound (0, *bl >> shift, 255); *dest++ = min (*bl >> shift, 255);
bl++; bl++;
*dest++ = bound (0, *bl >> shift, 255); *dest++ = min (*bl >> shift, 255);
bl++; bl++;
} }
} }
@ -303,7 +301,7 @@ R_BuildLightMap (msurface_t *surf, byte * dest, int stride)
t2 += *bl++; t2 += *bl++;
t2 += *bl++; t2 += *bl++;
t2 /= 3; t2 /= 3;
*dest++ = bound (0, t2 >> shift, 255); *dest++ = min (t2 >> shift, 255);
} }
} }
break; break;