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first stab at colored alias model lighting

This commit is contained in:
Bill Currie 2002-08-12 06:14:55 +00:00
parent 1afd2d95b2
commit 8e97d6279a
3 changed files with 70 additions and 30 deletions
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1
include/r_shared.h
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@ -173,5 +173,6 @@ typedef struct edge_s
#define NUMVERTEXNORMALS 162
extern float r_avertexnormals[NUMVERTEXNORMALS][3];
extern vec3_t ambientcolor;
#endif // _R_SHARED_H

97
libs/video/renderer/gl/gl_mod_alias.c
View File

@ -85,8 +85,7 @@ float r_avertexnormal_dots[SHADEDOT_QUANT][256] =
#include "anorm_dots.h"
;
float shadelight;
float *shadedots = r_avertexnormal_dots[0];
float shadelight, ambientlight;
vec3_t shadevector;
static void
@ -117,7 +116,7 @@ GL_DrawAliasFrame (vert_order_t *vo)
order += 2;
// normals and vertexes come from the frame list
VectorScale (shadecolor, verts->lightdot, color);
VectorMA (ambientcolor, verts->lightdot, shadecolor, color);
qfglColor4fv (color);
@ -193,7 +192,7 @@ GL_DrawAliasFrameMulti (vert_order_t *vo)
order += 2;
// normals and vertexes come from the frame list
VectorScale (shadecolor, verts->lightdot, color);
VectorMA (ambientcolor, verts->lightdot, shadecolor, color);
qfglColor4fv (color);
@ -336,11 +335,15 @@ GL_GetAliasFrameVerts16 (int frame, aliashdr_t *paliashdr, entity_t *e)
for (i = 0, vo_v = vo->verts; i < count;
i++, vo_v++, verts1++, verts2++) {
float *n1, *n2;
float d1, d2;
VectorBlend (v1, v2, blend, vo_v->vert);
VectorScale (vo_v->vert, 1.0 / 256.0, vo_v->vert);
vo_v->lightdot =
shadedots[verts1->lightnormalindex] * (1.0 - blend)
+ shadedots[verts2->lightnormalindex] * blend;
n1 = r_avertexnormals[verts1->lightnormalindex];
n2 = r_avertexnormals[verts2->lightnormalindex];
d1 = DotProduct (shadevector, n1);
d2 = DotProduct (shadevector, n2);
vo_v->lightdot = max (0, d1 * (1.0 - blend) + d2 * blend);
}
return vo;
}
@ -348,8 +351,13 @@ GL_GetAliasFrameVerts16 (int frame, aliashdr_t *paliashdr, entity_t *e)
verts += pose * count;
}
for (i = 0, vo_v = vo->verts; i < count; i++, vo_v++, verts++) {
float *n;
float d;
VectorScale (verts->v, 1.0 / 256.0, vo_v->vert);
vo_v->lightdot = shadedots[verts->lightnormalindex];
n = r_avertexnormals[verts->lightnormalindex];
d = DotProduct (shadevector, n);
vo_v->lightdot = max (0, d);
}
return vo;
}
@ -429,10 +437,15 @@ GL_GetAliasFrameVerts (int frame, aliashdr_t *paliashdr, entity_t *e)
for (i = 0, vo_v = vo->verts; i < count;
i++, vo_v++, verts1++, verts2++) {
float *n1, *n2;
float d1, d2;
VectorBlend (verts1->v, verts2->v, blend, vo_v->vert);
vo_v->lightdot =
shadedots[verts1->lightnormalindex] * (1 - blend)
+ shadedots[verts2->lightnormalindex] * blend;
n1 = r_avertexnormals[verts1->lightnormalindex];
n2 = r_avertexnormals[verts2->lightnormalindex];
d1 = DotProduct (shadevector, n1);
d2 = DotProduct (shadevector, n2);
vo_v->lightdot = max (0, d1 * (1.0 - blend) + d2 * blend);
}
return vo;
}
@ -440,8 +453,13 @@ GL_GetAliasFrameVerts (int frame, aliashdr_t *paliashdr, entity_t *e)
verts += pose * count;
}
for (i = 0, vo_v = vo->verts; i < count; i++, vo_v++, verts++) {
float *n;
float d;
VectorCopy (verts->v, vo_v->vert);
vo_v->lightdot = shadedots[verts->lightnormalindex];
n = r_avertexnormals[verts->lightnormalindex];
d = DotProduct (shadevector, n);
vo_v->lightdot = max (0, d);
}
return vo;
}
@ -509,38 +527,56 @@ R_DrawAliasModel (entity_t *e, qboolean cull)
VectorSubtract (r_origin, e->origin, modelorg);
if (clmodel->fullbright) {
shadelight = 1.0; // make certain models full brightness always
} else {
if (!clmodel->fullbright) {
// get lighting information
shadelight = R_LightPoint (e->origin);
ambientlight = shadelight = 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 = max (shadelight, 24);
if (e == r_view_model && shadelight < 24) {
VectorScale (shadecolor, 24 / (shadelight + 0.1), shadecolor);
shadelight = 24;
}
for (lnum = 0; lnum < r_maxdlights; lnum++) {
if (r_dlights[lnum].die >= r_realtime) {
VectorSubtract (e->origin, r_dlights[lnum].origin, dist);
add = (r_dlights[lnum].radius * r_dlights[lnum].radius * 8) /
(DotProduct (dist, dist)); // FIXME Deek
add = ((r_dlights[lnum].radius
* r_dlights[lnum].radius * 8)
/ DotProduct (dist, dist)); // FIXME Deek
if (add > 0)
shadelight += add;
if (add > 0) {
VectorMA (ambientcolor, add, r_dlights[lnum].color,
ambientcolor);
ambientlight += add;
}
}
}
// clamp lighting so it doesn't overbright as much
shadelight = min (shadelight, 100); // was 200
if (ambientlight > 128) {
VectorScale (ambientcolor, 128 / ambientlight, ambientcolor);
ambientlight = 128;
}
if (ambientlight + shadelight > 200) {
VectorScale (shadecolor, (200 - ambientlight) / shadelight,
shadecolor);
shadelight = 200 - ambientlight;
}
VectorScale (ambientcolor, 0.005, ambientcolor);
// never allow players to go totally black
shadelight = max (shadelight, clmodel->min_light);
if (shadelight < clmodel->min_light) {
VectorScale (shadecolor, clmodel->min_light / (shadelight + 0.1),
shadecolor);
shadelight = clmodel->min_light;
}
shadelight *= 0.005;
shadedots = r_avertexnormal_dots[(int) (e->angles[1] *
(SHADEDOT_QUANT / 360.0)) &
(SHADEDOT_QUANT - 1)];
an = e->angles[1] * (M_PI / 180);
shadevector[0] = cos (-an);
shadevector[1] = sin (-an);
@ -548,7 +584,6 @@ R_DrawAliasModel (entity_t *e, qboolean cull)
VectorNormalize (shadevector);
}
VectorScale (e->colormod, 2.0 * shadelight, shadecolor);
modelalpha = e->colormod[3];
// locate the proper data
@ -591,7 +626,11 @@ R_DrawAliasModel (entity_t *e, qboolean cull)
if (modelalpha < 1.0)
qfglDepthMask (GL_FALSE);
if (!fb_texture) { // Model has no fullbrights, don't bother with multi
if (clmodel->fullbright) {
qfglBindTexture (GL_TEXTURE_2D, texture);
GL_DrawAliasFrame_fb (vo);
} else if (!fb_texture) {
// Model has no fullbrights, don't bother with multi
qfglBindTexture (GL_TEXTURE_2D, texture);
GL_DrawAliasFrame (vo);
} else { // try multitexture

2
libs/video/renderer/r_light.c
View File

@ -368,7 +368,7 @@ calc_lighting_3 (msurface_t *surf, int ds, int dt)
lightmap = surf->samples;
if (lightmap) {
lightmap += dt * se_s * 3 + ds;
lightmap += (dt * se_s + ds) * 3;
for (maps = 0; maps < MAXLIGHTMAPS && surf->styles[maps] != 255;
maps++) {