void RE_rayobject_merge_bb(RayObject *r, float *min, float *max)
{
if (RE_rayobject_isRayFace(r)) {
RayFace *face = (RayFace*) RE_rayobject_align(r);
DO_MINMAX(face->v1, min, max);
DO_MINMAX(face->v2, min, max);
DO_MINMAX(face->v3, min, max);
if (RE_rayface_isQuad(face)) DO_MINMAX(face->v4, min, max);
}
else if (RE_rayobject_isVlakPrimitive(r)) {
VlakPrimitive *face = (VlakPrimitive*) RE_rayobject_align(r);
RayFace nface;
rayface_from_vlak(&nface, face->ob, face->face);
DO_MINMAX(nface.v1, min, max);
DO_MINMAX(nface.v2, min, max);
DO_MINMAX(nface.v3, min, max);
if (RE_rayface_isQuad(&nface)) DO_MINMAX(nface.v4, min, max);
}
else if (RE_rayobject_isRayAPI(r)) {
r = RE_rayobject_align(r);
r->api->bb(r, min, max);
}
else
assert(0);
}
int RE_rayobject_intersect(RayObject *r, Isect *i)
{
if(RE_rayobject_isRayFace(r))
{
return intersect_rayface(r, (RayFace*) RE_rayobject_align(r), i);
}
else if(RE_rayobject_isVlakPrimitive(r))
{
//TODO optimize (useless copy to RayFace to avoid duplicate code)
VlakPrimitive *face = (VlakPrimitive*) RE_rayobject_align(r);
RayFace nface;
rayface_from_vlak(&nface, face->ob, face->face);
return intersect_rayface(r, &nface, i);
}
else if(RE_rayobject_isRayAPI(r))
{
r = RE_rayobject_align(r);
return r->api->raycast(r, i);
}
else {
assert(0);
return 0;
}
}
void RE_rayobject_set_control(RayObject *r, void *data, RE_rayobjectcontrol_test_break_callback test_break)
{
if (RE_rayobject_isRayAPI(r)) {
r = RE_rayobject_align(r);
r->control.data = data;
r->control.test_break = test_break;
}
}
void RE_rayobject_hint_bb(RayObject *r, RayHint *hint, float *min, float *max)
{
if (RE_rayobject_isRayFace(r) || RE_rayobject_isVlakPrimitive(r)) {
return;
}
else if (RE_rayobject_isRayAPI(r)) {
r = RE_rayobject_align(r);
return r->api->hint_bb(r, hint, min, max);
}
else
assert(0);
}
float RE_rayobject_cost(RayObject *r)
{
if (RE_rayobject_isRayFace(r) || RE_rayobject_isVlakPrimitive(r)) {
return 1.0f;
}
else if (RE_rayobject_isRayAPI(r)) {
r = RE_rayobject_align(r);
return r->api->cost(r);
}
else {
assert(0);
return 1.0f;
}
}