static void bake_set_shade_input(ObjectInstanceRen *obi, VlakRen *vlr, ShadeInput *shi, int quad, int UNUSED(isect), int x, int y, float u, float v)
{
if (quad)
shade_input_set_triangle_i(shi, obi, vlr, 0, 2, 3);
else
shade_input_set_triangle_i(shi, obi, vlr, 0, 1, 2);
/* cache for shadow */
shi->samplenr = R.shadowsamplenr[shi->thread]++;
shi->mask = 0xFFFF; /* all samples */
shi->u = -u;
shi->v = -v;
shi->xs = x;
shi->ys = y;
shade_input_set_uv(shi);
shade_input_set_normals(shi);
/* no normal flip */
if (shi->flippednor)
shade_input_flip_normals(shi);
/* set up view vector to look right at the surface (note that the normal
* is negated in the renderer so it does not need to be done here) */
shi->view[0] = shi->vn[0];
shi->view[1] = shi->vn[1];
shi->view[2] = shi->vn[2];
}
static void occ_shade(ShadeSample *ssamp, ObjectInstanceRen *obi, VlakRen *vlr, float *rad)
{
ShadeInput *shi = ssamp->shi;
ShadeResult *shr = ssamp->shr;
float l, u, v, *v1, *v2, *v3;
/* init */
if (vlr->v4) {
shi->u = u = 0.5f;
shi->v = v = 0.5f;
}
else {
shi->u = u = 1.0f / 3.0f;
shi->v = v = 1.0f / 3.0f;
}
/* setup render coordinates */
v1 = vlr->v1->co;
v2 = vlr->v2->co;
v3 = vlr->v3->co;
/* renderco */
l = 1.0f - u - v;
shi->co[0] = l * v3[0] + u * v1[0] + v * v2[0];
shi->co[1] = l * v3[1] + u * v1[1] + v * v2[1];
shi->co[2] = l * v3[2] + u * v1[2] + v * v2[2];
shade_input_set_triangle_i(shi, obi, vlr, 0, 1, 2);
/* set up view vector */
copy_v3_v3(shi->view, shi->co);
normalize_v3(shi->view);
/* cache for shadow */
shi->samplenr++;
shi->xs = 0; /* TODO */
shi->ys = 0;
shade_input_set_normals(shi);
/* no normal flip */
if (shi->flippednor)
shade_input_flip_normals(shi);
madd_v3_v3fl(shi->co, shi->facenor, -0.0001f); /* ugly.. */
/* not a pretty solution, but fixes common cases */
if (shi->obr->ob && shi->obr->ob->transflag & OB_NEG_SCALE) {
negate_v3(shi->vn);
negate_v3(shi->vno);
negate_v3(shi->nmapnorm);
}
/* init material vars */
shade_input_init_material(shi);
/* render */
shade_input_set_shade_texco(shi);
if (shi->mat->nodetree && shi->mat->use_nodes) {
ntreeShaderExecTree(shi->mat->nodetree, shi, shr);
shi->mat = vlr->mat; /* shi->mat is being set in nodetree */
}
else {
shade_material_loop(shi, shr);
}
copy_v3_v3(rad, shr->combined);
}
static void occ_shade(ShadeSample *ssamp, ObjectInstanceRen *obi, VlakRen *vlr, float *rad)
{
ShadeInput *shi= ssamp->shi;
ShadeResult *shr= ssamp->shr;
float l, u, v, *v1, *v2, *v3;
/* init */
if(vlr->v4) {
shi->u= u= 0.5f;
shi->v= v= 0.5f;
}
else {
shi->u= u= 1.0f/3.0f;
shi->v= v= 1.0f/3.0f;
}
/* setup render coordinates */
v1= vlr->v1->co;
v2= vlr->v2->co;
v3= vlr->v3->co;
/* renderco */
l= 1.0f-u-v;
shi->co[0]= l*v3[0]+u*v1[0]+v*v2[0];
shi->co[1]= l*v3[1]+u*v1[1]+v*v2[1];
shi->co[2]= l*v3[2]+u*v1[2]+v*v2[2];
shade_input_set_triangle_i(shi, obi, vlr, 0, 1, 2);
/* set up view vector */
copy_v3_v3(shi->view, shi->co);
normalize_v3(shi->view);
/* cache for shadow */
shi->samplenr++;
shi->xs= 0; // TODO
shi->ys= 0;
shade_input_set_normals(shi);
/* no normal flip */
if(shi->flippednor)
shade_input_flip_normals(shi);
madd_v3_v3fl(shi->co, shi->vn, 0.0001f); /* ugly.. */
/* not a pretty solution, but fixes common cases */
if(shi->obr->ob && shi->obr->ob->transflag & OB_NEG_SCALE) {
negate_v3(shi->vn);
negate_v3(shi->vno);
negate_v3(shi->nmapnorm);
}
/* init material vars */
// note, keep this synced with render_types.h
memcpy(&shi->r, &shi->mat->r, 23*sizeof(float));
shi->har= shi->mat->har;
/* render */
shade_input_set_shade_texco(shi);
shade_material_loop(shi, shr); /* todo: nodes */
copy_v3_v3(rad, shr->combined);
}