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ref: refactor R_AddDynamicLights

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This commit is contained in:
Alibek Omarov 2024-11-02 04:08:23 +03:00
parent 015f1ba8c0
commit 40c051fb6b
2 changed files with 66 additions and 49 deletions
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53
ref/gl/gl_rsurf.c
View file

@ -516,21 +516,17 @@ texture_t *R_TextureAnimation( msurface_t *s )
R_AddDynamicLights
===============
*/
static void R_AddDynamicLights( msurface_t *surf )
static void R_AddDynamicLights( const msurface_t *surf )
{
float dist, rad, minlight;
int lnum, s, t, sd, td, smax, tmax;
float sl, tl, sacc, tacc;
vec3_t impact, origin_l;
mextrasurf_t *info = surf->info;
int sample_frac = 1.0;
float sample_size;
mtexinfo_t *tex;
dlight_t *dl;
uint *bl;
const mextrasurf_t *info = surf->info;
int lnum, smax, tmax;
int sample_frac = 1.0;
float sample_size;
mtexinfo_t *tex;
// no dlighted surfaces here
if( !surf->dlightbits ) return;
if( !surf->dlightbits )
return;
sample_size = gEngfuncs.Mod_SampleSizeForFace( surf );
smax = (info->lightextents[0] / sample_size) + 1;
@ -548,6 +544,12 @@ static void R_AddDynamicLights( msurface_t *surf )
for( lnum = 0; lnum < MAX_DLIGHTS; lnum++ )
{
dlight_t *dl;
vec3_t impact, origin_l;
float dist, rad, minlight;
float sl, tl;
int t;
if( !FBitSet( surf->dlightbits, BIT( lnum )))
continue; // not lit by this light
@ -578,23 +580,32 @@ static void R_AddDynamicLights( msurface_t *surf )
sl = DotProduct( impact, info->lmvecs[0] ) + info->lmvecs[0][3] - info->lightmapmins[0];
tl = DotProduct( impact, info->lmvecs[1] ) + info->lmvecs[1][3] - info->lightmapmins[1];
bl = r_blocklights;
for( t = 0, tacc = 0; t < tmax; t++, tacc += sample_size )
for( t = 0; t < tmax; t++ )
{
td = (tl - tacc) * sample_frac;
if( td < 0 ) td = -td;
int td = (tl - sample_size * t) * sample_frac;
int s;
for( s = 0, sacc = 0; s < smax; s++, sacc += sample_size, bl += 3 )
if( td < 0 )
td = -td;
for( s = 0; s < smax; s++ )
{
sd = (sl - sacc) * sample_frac;
if( sd < 0 ) sd = -sd;
int sd = (sl - sample_size * s) * sample_frac;
float dist;
if( sd > td ) dist = sd + (td >> 1);
else dist = td + (sd >> 1);
if( sd < 0 )
sd = -sd;
if( sd > td )
dist = sd + (td >> 1);
else
dist = td + (sd >> 1);
if( dist < minlight )
{
uint *bl = &r_blocklights[(s + (t * smax)) * 3];
bl[0] += ((int)((rad - dist) * 256) * dl->color.r ) / 256;
bl[1] += ((int)((rad - dist) * 256) * dl->color.g ) / 256;
bl[2] += ((int)((rad - dist) * 256) * dl->color.b ) / 256;

62
ref/soft/r_surf.c
View file

@ -72,21 +72,17 @@ static void R_BuildLightMap( void );
R_AddDynamicLights
===============
*/
static void R_AddDynamicLights( msurface_t *surf )
static void R_AddDynamicLights( const msurface_t *surf )
{
float dist, rad, minlight;
int lnum, s, t, sd, td, smax, tmax;
float sl, tl, sacc, tacc;
vec3_t impact, origin_l;
mextrasurf_t *info = surf->info;
int sample_frac = 1.0;
float sample_size;
mtexinfo_t *tex;
dlight_t *dl;
uint *bl;
const mextrasurf_t *info = surf->info;
int lnum, smax, tmax;
int sample_frac = 1.0;
float sample_size;
mtexinfo_t *tex;
// no dlighted surfaces here
if( !surf->dlightbits ) return;
if( !surf->dlightbits )
return;
sample_size = gEngfuncs.Mod_SampleSizeForFace( surf );
smax = (info->lightextents[0] / sample_size) + 1;
@ -104,6 +100,12 @@ static void R_AddDynamicLights( msurface_t *surf )
for( lnum = 0; lnum < MAX_DLIGHTS; lnum++ )
{
dlight_t *dl;
vec3_t impact, origin_l;
float dist, rad, minlight;
float sl, tl;
int t, monolight;
if( !FBitSet( surf->dlightbits, BIT( lnum )))
continue; // not lit by this light
@ -112,8 +114,7 @@ static void R_AddDynamicLights( msurface_t *surf )
// transform light origin to local bmodel space
if( !tr.modelviewIdentity )
Matrix4x4_VectorITransform( RI.objectMatrix, dl->origin, origin_l );
else
VectorCopy( dl->origin, origin_l );
else VectorCopy( dl->origin, origin_l );
rad = dl->radius;
dist = PlaneDiff( origin_l, surf->plane );
@ -135,28 +136,33 @@ static void R_AddDynamicLights( msurface_t *surf )
sl = DotProduct( impact, info->lmvecs[0] ) + info->lmvecs[0][3] - info->lightmapmins[0];
tl = DotProduct( impact, info->lmvecs[1] ) + info->lmvecs[1][3] - info->lightmapmins[1];
bl = blocklights;
for( t = 0, tacc = 0; t < tmax; t++, tacc += sample_size )
monolight = gEngfuncs.LightToTexGamma(( dl->color.r + dl->color.g + dl->color.b ) / 3 ) * 3;
for( t = 0; t < tmax; t++ )
{
td = (tl - tacc) * sample_frac;
if( td < 0 ) td = -td;
int td = (tl - sample_size * t) * sample_frac;
int s;
for( s = 0, sacc = 0; s < smax; s++, sacc += sample_size, bl += 1 )
if( td < 0 )
td = -td;
for( s = 0; s < smax; s++ )
{
sd = (sl - sacc) * sample_frac;
if( sd < 0 ) sd = -sd;
int sd = (sl - sample_size * s) * sample_frac;
float dist;
if( sd > td ) dist = sd + (td >> 1);
else dist = td + (sd >> 1);
if( sd < 0 )
sd = -sd;
if( sd > td )
dist = sd + (td >> 1);
else
dist = td + (sd >> 1);
if( dist < minlight )
{
//printf("dlight %f\n", dist);
//*(void**)0 = 0;
bl[0] += ((int)((rad - dist) * 256) * gEngfuncs.LightToTexGamma( (dl->color.r + dl->color.g + dl->color.b ) / 3) * 3) / 256;
//bl[1] += ((int)((rad - dist) * 256) * 2.5) / 256;
//bl[2] += ((int)((rad - dist) * 256) * 2.5) / 256;
blocklights[(s + (t * smax))] += ((int)((rad - dist) * 256) * monolight ) / 256;
}
}
}