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files/light: rework R_BuildLightMap code

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This commit is contained in:
Denis Pauk 2024-09-02 00:31:31 +03:00
parent eb3ea06fc9
commit 8d8034f244
1 changed files with 57 additions and 30 deletions
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87
src/client/refresh/files/light.c
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@ -67,11 +67,17 @@ BSPX_LightGridSingleValue(const bspxlightgrid_t *grid, const lightstyle_t *light
//no hdr support
for (i = 0; i < 4; i++)
{
int j;
if (samp->map[i].style == ((byte)(~0u)))
{
break; //no more
res_diffuse[0] += samp->map[i].rgb[0] * lightstyles[samp->map[i].style].rgb[0] / 255.0;
res_diffuse[1] += samp->map[i].rgb[1] * lightstyles[samp->map[i].style].rgb[1] / 255.0;
res_diffuse[2] += samp->map[i].rgb[2] * lightstyles[samp->map[i].style].rgb[2] / 255.0;
}
for (j = 0; j < 3; j++)
{
res_diffuse[j] += samp->map[i].rgb[j] * lightstyles[samp->map[i].style].rgb[j] / 255.0;
}
}
}
return 1;
@ -581,10 +587,9 @@ R_BuildLightMap(const msurface_t *surf, byte *dest, int stride, const refdef_t *
float modulate, int r_framecount)
{
int smax, tmax;
int i, size, numlightmaps;
int size, numlightmaps;
byte *lightmap;
float scale[4];
float *bl;
const float *max_light;
if (surf->texinfo->flags &
(SURF_SKY | SURF_TRANSPARENT | SURF_WARP))
@ -598,13 +603,21 @@ R_BuildLightMap(const msurface_t *surf, byte *dest, int stride, const refdef_t *
R_ResizeTemporaryLMBuffer(size * 3);
max_light = s_blocklights + size * 3;
/* set to full bright if no light data */
if (!surf->samples)
{
for (i = 0; i < size * 3; i++)
float *curr_light;
curr_light = s_blocklights;
do
{
s_blocklights[i] = 255;
*curr_light = 255;
curr_light++;
}
while(curr_light < max_light);
R_StoreLightMap(dest, stride, smax, tmax);
return;
@ -625,7 +638,11 @@ R_BuildLightMap(const msurface_t *surf, byte *dest, int stride, const refdef_t *
for (maps = 0; maps < MAXLIGHTMAPS && surf->styles[maps] != 255; maps++)
{
bl = s_blocklights;
float *curr_light;
vec3_t scale;
int i;
curr_light = s_blocklights;
for (i = 0; i < 3; i++)
{
@ -637,24 +654,27 @@ R_BuildLightMap(const msurface_t *surf, byte *dest, int stride, const refdef_t *
(scale[1] == 1.0F) &&
(scale[2] == 1.0F))
{
for (i = 0; i < size; i++, bl += 3)
do
{
bl[0] = lightmap[i * 3 + 0];
bl[1] = lightmap[i * 3 + 1];
bl[2] = lightmap[i * 3 + 2];
*curr_light = *lightmap;
curr_light++;
lightmap++;
}
while(curr_light < max_light);
}
else
{
for (i = 0; i < size; i++, bl += 3)
do
{
bl[0] = lightmap[i * 3 + 0] * scale[0];
bl[1] = lightmap[i * 3 + 1] * scale[1];
bl[2] = lightmap[i * 3 + 2] * scale[2];
for (i = 0; i < 3; i++)
{
*curr_light = *lightmap * scale[i];
curr_light++;
lightmap++;
}
}
lightmap += size * 3; /* skip to next lightmap */
while(curr_light < max_light);
}
}
}
else
@ -665,7 +685,11 @@ R_BuildLightMap(const msurface_t *surf, byte *dest, int stride, const refdef_t *
for (maps = 0; maps < MAXLIGHTMAPS && surf->styles[maps] != 255; maps++)
{
bl = s_blocklights;
float *curr_light;
vec3_t scale;
int i;
curr_light = s_blocklights;
for (i = 0; i < 3; i++)
{
@ -677,24 +701,27 @@ R_BuildLightMap(const msurface_t *surf, byte *dest, int stride, const refdef_t *
(scale[1] == 1.0F) &&
(scale[2] == 1.0F))
{
for (i = 0; i < size; i++, bl += 3)
do
{
bl[0] += lightmap[i * 3 + 0];
bl[1] += lightmap[i * 3 + 1];
bl[2] += lightmap[i * 3 + 2];
*curr_light += *lightmap;
curr_light++;
lightmap++;
}
while(curr_light < max_light);
}
else
{
for (i = 0; i < size; i++, bl += 3)
do
{
bl[0] += lightmap[i * 3 + 0] * scale[0];
bl[1] += lightmap[i * 3 + 1] * scale[1];
bl[2] += lightmap[i * 3 + 2] * scale[2];
for (i = 0; i < 3; i++)
{
*curr_light += *lightmap * scale[i];
curr_light++;
lightmap++;
}
}
lightmap += size * 3; /* skip to next lightmap */
while(curr_light < max_light);
}
}
}