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get colored lighting working reasonably well

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This commit is contained in:
Bill Currie 2002-08-14 05:45:50 +00:00
parent 513b5737f9
commit 7ed7938b1c
1 changed files with 21 additions and 32 deletions
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53
libs/video/renderer/gl/gl_mod_alias.c
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@ -85,7 +85,6 @@ float r_avertexnormal_dots[SHADEDOT_QUANT][256] =
#include "anorm_dots.h"
;
float shadelight, ambientlight;
vec3_t shadevector;
static void
@ -509,8 +508,8 @@ R_AliasGetSkindesc (int skinnum, aliashdr_t *ahdr)
void
R_DrawAliasModel (entity_t *e, qboolean cull)
{
float add, an;
int lnum, texture;
float add, an, minshade, shade;
int lnum, i, texture;
int fb_texture = 0;
aliashdr_t *paliashdr;
model_t *clmodel;
@ -529,17 +528,12 @@ R_DrawAliasModel (entity_t *e, qboolean cull)
if (!clmodel->fullbright) {
// get lighting information
ambientlight = shadelight = R_LightPoint (e->origin);
R_LightPoint (e->origin);
ambientcolor[0] *= e->colormod[0];
ambientcolor[1] *= e->colormod[1];
ambientcolor[2] *= e->colormod[2];
VectorScale (ambientcolor, 0.005, shadecolor);
// always give the gun some light
if (e == r_view_model && shadelight < 24) {
VectorScale (shadecolor, 24 / (shadelight + 0.1), shadecolor);
shadelight = 24;
}
VectorScale (ambientcolor, 0.005, ambientcolor);
VectorCopy (ambientcolor, shadecolor);
for (lnum = 0; lnum < r_maxdlights; lnum++) {
if (r_dlights[lnum].die >= r_realtime) {
@ -547,37 +541,32 @@ R_DrawAliasModel (entity_t *e, qboolean cull)
VectorSubtract (e->origin, r_dlights[lnum].origin, dist);
d = DotProduct (dist, dist);
d = max (d, 1);
d = max (d, 64) * 200;
add = r_dlights[lnum].radius * r_dlights[lnum].radius * 8 / d;
if (add > 0) {
if (add > 0)
VectorMA (ambientcolor, add, r_dlights[lnum].color,
ambientcolor);
ambientlight += add;
}
}
}
// clamp lighting so it doesn't overbright as much
if (ambientlight > 128) {
VectorScale (ambientcolor, 128 / ambientlight, ambientcolor);
ambientlight = 128;
for (i = 0; i < 3; i++) {
ambientcolor[i] = min (ambientcolor[i], 128/200.0);
if (ambientcolor[i] + shadecolor[i] > 1)
shadecolor[i] = 1 - ambientcolor[i];
// never allow players to go totally black
if (shadecolor[i] < clmodel->min_light / 200.0)
shadecolor[i] = clmodel->min_light / 200.0;
}
if (ambientlight + shadelight > 200) {
VectorScale (shadecolor, (200 - ambientlight) / shadelight,
shadecolor);
shadelight = 200 - ambientlight;
// always give the gun some light
shade = max (shadecolor[0], max (shadecolor[1], shadecolor[2]));
minshade = e == r_view_model ? 24/200.0 : clmodel->min_light / 200.0;
if (e == r_view_model && shade < minshade) {
shadecolor[0] += minshade - shade;
shadecolor[1] += minshade - shade;
shadecolor[2] += minshade - shade;
}
VectorScale (ambientcolor, 0.005, ambientcolor);
// never allow players to go totally black
if (shadelight < clmodel->min_light) {
VectorScale (shadecolor, clmodel->min_light / (shadelight + 0.1),
shadecolor);
shadelight = clmodel->min_light;
}
shadelight *= 0.005;
an = e->angles[1] * (M_PI / 180);
shadevector[0] = cos (-an);