- R_DynamicLightPoint(color, p, leaf->dlightbits);
-}
-
-void R_ModelLightPoint (vec3_t color, vec3_t p, int *dlightbits)
-{
- mleaf_t *leaf;
- leaf = Mod_PointInLeaf(p, cl.worldmodel);
- if (leaf->contents == CONTENTS_SOLID)
- {
- color[0] = color[1] = color[2] = 0;
- dlightbits[0] = dlightbits[1] = dlightbits[2] = dlightbits[3] = dlightbits[4] = dlightbits[5] = dlightbits[6] = dlightbits[7] = 0;
- return;
- }
-
- if (r_fullbright.value || !cl.worldmodel->lightdata)
- {
- color[0] = color[1] = color[2] = 255;
- dlightbits[0] = dlightbits[1] = dlightbits[2] = dlightbits[3] = dlightbits[4] = dlightbits[5] = dlightbits[6] = dlightbits[7] = 0;
- return;
- }
-
- color[0] = color[1] = color[2] = r_ambient.value * 2.0f;
- RecursiveLightPoint (color, cl.worldmodel->nodes, p[0], p[1], p[2], p[2] - 65536);
-
- if (leaf->dlightframe == r_dlightframecount)
- {
- dlightbits[0] = leaf->dlightbits[0];
- dlightbits[1] = leaf->dlightbits[1];
- dlightbits[2] = leaf->dlightbits[2];
- dlightbits[3] = leaf->dlightbits[3];
- dlightbits[4] = leaf->dlightbits[4];
- dlightbits[5] = leaf->dlightbits[5];
- dlightbits[6] = leaf->dlightbits[6];
- dlightbits[7] = leaf->dlightbits[7];
- }
- else
- dlightbits[0] = dlightbits[1] = dlightbits[2] = dlightbits[3] = dlightbits[4] = dlightbits[5] = dlightbits[6] = dlightbits[7] = 0;
-}
-
-/* // not currently used
-void R_DynamicLightPointNoMask(vec3_t color, vec3_t org)
-{
- int i;
- vec3_t dist;
- float brightness, r, f;
-
- if (!r_dynamic.value)
- return;
-
- for (i=0 ; i<MAX_DLIGHTS ; i++)
- {
- if (!cl_dlights[i].radius)
- continue;
- VectorSubtract (org, cl_dlights[i].origin, dist);
- f = DotProduct(dist, dist) + LIGHTOFFSET;
- r = cl_dlights[i].radius*cl_dlights[i].radius;
- if (f < r)
- {
- brightness = r * 256.0f / f;
- if (cl_dlights[i].dark)
- brightness = -brightness;
- color[0] += brightness * cl_dlights[i].color[0];
- color[1] += brightness * cl_dlights[i].color[1];
- color[2] += brightness * cl_dlights[i].color[2];
- }
- }
-}
-*/
-
-extern float *aliasvert;
-extern float *aliasvertnorm;
-extern byte *aliasvertcolor;
-extern float modelalpha;
-void R_LightModel(entity_t *ent, int numverts, vec3_t center, vec3_t basecolor)
-{
- // LordHavoc: warning: reliance on int being 4 bytes here (of course the d_8to24table relies on that too...)
- int i, j, nearlights = 0, color;
- vec3_t dist, mod;
- float t, t1, t2, t3, *avn;
- byte r,g,b,a, *avc;
- struct
- {
- vec3_t color;
- vec3_t origin;
- } nearlight[MAX_DLIGHTS];
- int modeldlightbits[8];
- avc = aliasvertcolor;
- avn = aliasvertnorm;
- a = (byte) bound((int) 0, (int) (modelalpha * 255.0f), (int) 255);
- if (lighthalf)
- {
- mod[0] = ent->render.colormod[0] * 0.5f;
- mod[1] = ent->render.colormod[1] * 0.5f;
- mod[2] = ent->render.colormod[2] * 0.5f;
- }
- else
- {
- mod[0] = ent->render.colormod[0];
- mod[1] = ent->render.colormod[1];
- mod[2] = ent->render.colormod[2];
- }
- if (ent->render.effects & EF_FULLBRIGHT)
- {
- ((byte *)&color)[0] = (byte) (255.0f * mod[0]);
- ((byte *)&color)[1] = (byte) (255.0f * mod[1]);
- ((byte *)&color)[2] = (byte) (255.0f * mod[2]);
- ((byte *)&color)[3] = a;
- for (i = 0;i < numverts;i++)
- {
- *((int *)avc) = color;
- avc += 4;
- }
- return;
- }
- R_ModelLightPoint(basecolor, center, modeldlightbits);
-
- basecolor[0] *= mod[0];
- basecolor[1] *= mod[1];
- basecolor[2] *= mod[2];
- for (i = 0;i < MAX_DLIGHTS;i++)
- {
- if (!modeldlightbits[i >> 5])
- {
- i |= 31;
- continue;
- }
- if (!(modeldlightbits[i >> 5] & (1 << (i & 31))))
- continue;
- VectorSubtract (center, cl_dlights[i].origin, dist);
- t2 = DotProduct(dist,dist) + LIGHTOFFSET;
- t1 = cl_dlights[i].radius*cl_dlights[i].radius;
- if (t2 < t1)
- {
- // transform the light into the model's coordinate system
- if (gl_transform.value)
- softwareuntransform(cl_dlights[i].origin, nearlight[nearlights].origin);
- else
- {
- VectorCopy(cl_dlights[i].origin, nearlight[nearlights].origin);
- }
- nearlight[nearlights].color[0] = cl_dlights[i].color[0] * t1 * mod[0];
- nearlight[nearlights].color[1] = cl_dlights[i].color[1] * t1 * mod[1];
- nearlight[nearlights].color[2] = cl_dlights[i].color[2] * t1 * mod[2];
- if (r_lightmodels.value && (ent == NULL || ent != cl_dlights[i].ent))
- nearlights++;
- else
- {
- t1 = 1.0f / t2;
- basecolor[0] += nearlight[nearlights].color[0] * t1;
- basecolor[1] += nearlight[nearlights].color[1] * t1;
- basecolor[2] += nearlight[nearlights].color[2] * t1;
- }
- }
- }
- t1 = bound(0, basecolor[0], 255);r = (byte) t1;
- t1 = bound(0, basecolor[1], 255);g = (byte) t1;
- t1 = bound(0, basecolor[2], 255);b = (byte) t1;
- ((byte *)&color)[0] = r;
- ((byte *)&color)[1] = g;
- ((byte *)&color)[2] = b;
- ((byte *)&color)[3] = a;
- if (nearlights)
- {
- int temp;
- vec3_t v;
- float *av;
- av = aliasvert;
- if (nearlights == 1)
- {
- for (i = 0;i < numverts;i++)
- {
- VectorSubtract(nearlight[0].origin, av, v);
- t = DotProduct(avn,v);
- if (t > 0)
- {
- t /= (DotProduct(v,v) + LIGHTOFFSET);
- temp = (int) ((float) (basecolor[0] + nearlight[0].color[0] * t));
- avc[0] = bound(0, temp, 255);
- temp = (int) ((float) (basecolor[1] + nearlight[0].color[1] * t));
- avc[1] = bound(0, temp, 255);
- temp = (int) ((float) (basecolor[2] + nearlight[0].color[2] * t));
- avc[2] = bound(0, temp, 255);
- avc[3] = a;
- }
- else
- *((int *)avc) = color;
- avc += 4;
- av += 3;
- avn += 3;
- }
- }
- else
- {
- for (i = 0;i < numverts;i++)
- {
- int lit;
- t1 = basecolor[0];
- t2 = basecolor[1];
- t3 = basecolor[2];
- lit = false;
- for (j = 0;j < nearlights;j++)
- {
- VectorSubtract(nearlight[j].origin, av, v);
- t = DotProduct(avn,v);
- if (t > 0)
- {
- t /= (DotProduct(v,v) + LIGHTOFFSET);
- t1 += nearlight[j].color[0] * t;
- t2 += nearlight[j].color[1] * t;
- t3 += nearlight[j].color[2] * t;
- lit = true;
- }
- }
- if (lit)
- {
- int i1, i2, i3;
- i1 = (int) t1;
- avc[0] = bound(0, i1, 255);
- i2 = (int) t2;
- avc[1] = bound(0, i2, 255);
- i3 = (int) t3;
- avc[2] = bound(0, i3, 255);
- avc[3] = a;
- }
- else // dodge the costly float -> int conversions
- *((int *)avc) = color;
- avc += 4;
- av += 3;
- avn += 3;
- }
- }
- }
- else