static errcode GetSpotLight(parsehandle * ph, SceneHandle scene) {
char tmp[255];
apiflt rad, Kc, Kl, Kq;
apivector ctr;
apitexture tex;
apivector direction;
apiflt start, end;
float r, g, b, a;
errcode rc;
void * li;
memset(&tex, 0, sizeof(apitexture));
rc = GetString(ph, "CENTER");
rc |= GetVector(ph, &ctr);
rc |= GetString(ph,"RAD");
fscanf(ph->ifp, "%f", &a); /* read in radius */
rad=a;
rc |= GetString(ph, "DIRECTION");
rc |= GetVector(ph, &direction);
rc |= GetString(ph, "FALLOFF_START");
fscanf(ph->ifp, "%f",&a);
start=a;
rc |= GetString(ph, "FALLOFF_END");
fscanf(ph->ifp, "%f", &a);
end=a;
fscanf(ph->ifp, "%s", tmp);
if (!stringcmp(tmp, "COLOR")) {
fscanf(ph->ifp, "%f %f %f", &r, &g, &b);
tex.col.r=r;
tex.col.g=g;
tex.col.b=b;
li = rt_spotlight(scene, rt_texture(scene, &tex), ctr, rad, direction, start, end);
}
else {
if (stringcmp(tmp, "ATTENUATION"))
return -1;
rc |= GetString(ph, "CONSTANT");
fscanf(ph->ifp, "%f", &a);
Kc=a;
rc |= GetString(ph, "LINEAR");
fscanf(ph->ifp, "%f", &a);
Kl=a;
rc |= GetString(ph, "QUADRATIC");
fscanf(ph->ifp, "%f", &a);
Kq=a;
rc |= GetColor(ph, &tex.col);
li = rt_spotlight(scene, rt_texture(scene, &tex), ctr, rad, direction, start, end);
rt_light_attenuation(li, Kc, Kl, Kq);
}
return rc;
}
void * rt_spotlight3fv(SceneHandle voidscene, void * tex,
const float *ctr, float rad,
const float *dir, float start, float end) {
vector vctr, vdir;
vctr.x = ctr[0]; vctr.y = ctr[1]; vctr.z = ctr[2];
vdir.x = dir[0]; vdir.y = dir[1]; vdir.z = dir[2];
return rt_spotlight(voidscene, tex, vctr, rad, vdir, start, end);
}
