static void collection_object_cache_fill(ListBase *lb, Collection *collection, int parent_restrict)
{
int child_restrict = collection->flag | parent_restrict;
for (CollectionObject *cob = collection->gobject.first; cob; cob = cob->next) {
Base *base = BLI_findptr(lb, cob->ob, offsetof(Base, object));
if (base == NULL) {
base = MEM_callocN(sizeof(Base), "Object Base");
base->object = cob->ob;
BLI_addtail(lb, base);
}
int object_restrict = base->object->restrictflag;
if (((child_restrict & COLLECTION_RESTRICT_VIEWPORT) == 0) &&
((object_restrict & OB_RESTRICT_VIEWPORT) == 0)) {
base->flag |= BASE_ENABLED_VIEWPORT;
}
if (((child_restrict & COLLECTION_RESTRICT_RENDER) == 0) &&
((object_restrict & OB_RESTRICT_RENDER) == 0)) {
base->flag |= BASE_ENABLED_RENDER;
}
}
for (CollectionChild *child = collection->children.first; child; child = child->next) {
collection_object_cache_fill(lb, child->collection, child_restrict);
}
}
/* Check if the ID appears in the paths specified by the KeyingSet */
bool ANIM_keyingset_find_id(KeyingSet *ks, ID *id)
{
/* sanity checks */
if (ELEM(NULL, ks, id))
return false;
return BLI_findptr(&ks->paths, id, offsetof(KS_Path, id)) != NULL;
}
static short layer_collection_sync(ViewLayer *view_layer,
const ListBase *lb_scene,
ListBase *lb_layer,
ListBase *new_object_bases,
short parent_exclude,
short parent_restrict,
short parent_layer_restrict)
{
/* TODO: support recovery after removal of intermediate collections, reordering, ..
* For local edits we can make editing operating do the appropriate thing, but for
* linking we can only sync after the fact. */
/* Remove layer collections that no longer have a corresponding scene collection. */
for (LayerCollection *lc = lb_layer->first; lc;) {
/* Note ID remap can set lc->collection to NULL when deleting collections. */
LayerCollection *lc_next = lc->next;
Collection *collection = (lc->collection) ?
BLI_findptr(lb_scene,
lc->collection,
offsetof(CollectionChild, collection)) :
NULL;
if (!collection) {
if (lc == view_layer->active_collection) {
view_layer->active_collection = NULL;
}
/* Free recursively. */
layer_collection_free(view_layer, lc);
BLI_freelinkN(lb_layer, lc);
}
lc = lc_next;
}
/* Add layer collections for any new scene collections, and ensure order is the same. */
ListBase new_lb_layer = {NULL, NULL};
short runtime_flag = 0;
for (const CollectionChild *child = lb_scene->first; child; child = child->next) {
Collection *collection = child->collection;
LayerCollection *lc = BLI_findptr(lb_layer, collection, offsetof(LayerCollection, collection));
if (lc) {
BLI_remlink(lb_layer, lc);
BLI_addtail(&new_lb_layer, lc);
}
else {
lc = layer_collection_add(&new_lb_layer, collection);
lc->flag = parent_exclude;
}
/* Collection restrict is inherited. */
short child_restrict = parent_restrict;
short child_layer_restrict = parent_layer_restrict;
if (!(collection->flag & COLLECTION_IS_MASTER)) {
child_restrict |= collection->flag;
child_layer_restrict |= lc->flag;
}
/* Sync child collections. */
short child_runtime_flag = layer_collection_sync(view_layer,
&collection->children,
&lc->layer_collections,
new_object_bases,
lc->flag,
child_restrict,
child_layer_restrict);
/* Layer collection exclude is not inherited. */
if (lc->flag & LAYER_COLLECTION_EXCLUDE) {
lc->runtime_flag = 0;
continue;
}
else {
lc->runtime_flag = child_runtime_flag;
}
if (((child_restrict & COLLECTION_RESTRICT_VIEWPORT) == 0) &&
((child_layer_restrict & LAYER_COLLECTION_HIDE) == 0)) {
lc->runtime_flag |= LAYER_COLLECTION_VISIBLE;
}
/* Sync objects, except if collection was excluded. */
for (CollectionObject *cob = collection->gobject.first; cob; cob = cob->next) {
if (cob->ob == NULL) {
continue;
}
void **base_p;
Base *base;
if (BLI_ghash_ensure_p(view_layer->object_bases_hash, cob->ob, &base_p)) {
/* Move from old base list to new base list. Base might have already
* been moved to the new base list and the first/last test ensure that
* case also works. */
base = *base_p;
if (!ELEM(base, new_object_bases->first, new_object_bases->last)) {
BLI_remlink(&view_layer->object_bases, base);
BLI_addtail(new_object_bases, base);
}
}
else {
/* Create new base. */
base = object_base_new(cob->ob);
*base_p = base;
BLI_addtail(new_object_bases, base);
}
if ((child_restrict & COLLECTION_RESTRICT_VIEWPORT) == 0) {
base->flag_from_collection |= BASE_ENABLED_VIEWPORT;
if ((child_layer_restrict & LAYER_COLLECTION_HIDE) == 0) {
base->flag_from_collection |= BASE_VISIBLE;
if (((child_restrict & COLLECTION_RESTRICT_SELECT) == 0)) {
base->flag_from_collection |= BASE_SELECTABLE;
}
}
}
if ((child_restrict & COLLECTION_RESTRICT_RENDER) == 0) {
base->flag_from_collection |= BASE_ENABLED_RENDER;
}
/* Holdout and indirect only */
if (lc->flag & LAYER_COLLECTION_HOLDOUT) {
base->flag_from_collection |= BASE_HOLDOUT;
}
if (lc->flag & LAYER_COLLECTION_INDIRECT_ONLY) {
base->flag_from_collection |= BASE_INDIRECT_ONLY;
}
lc->runtime_flag |= LAYER_COLLECTION_HAS_OBJECTS;
/* Make sure flags on base are usable right away. */
BKE_base_eval_flags(base);
}
runtime_flag |= lc->runtime_flag;
}
/* Replace layer collection list with new one. */
*lb_layer = new_lb_layer;
BLI_assert(BLI_listbase_count(lb_scene) == BLI_listbase_count(lb_layer));
return runtime_flag;
}
/* OB_DUPLIPARTS */
static void make_duplis_particle_system(const DupliContext *ctx, ParticleSystem *psys)
{
Scene *scene = ctx->scene;
Object *par = ctx->object;
bool for_render = ctx->eval_ctx->mode == DAG_EVAL_RENDER;
bool use_texcoords = ELEM(ctx->eval_ctx->mode, DAG_EVAL_RENDER, DAG_EVAL_PREVIEW);
GroupObject *go;
Object *ob = NULL, **oblist = NULL, obcopy, *obcopylist = NULL;
DupliObject *dob;
ParticleDupliWeight *dw;
ParticleSettings *part;
ParticleData *pa;
ChildParticle *cpa = NULL;
ParticleKey state;
ParticleCacheKey *cache;
float ctime, pa_time, scale = 1.0f;
float tmat[4][4], mat[4][4], pamat[4][4], vec[3], size = 0.0;
float (*obmat)[4];
int a, b, hair = 0;
int totpart, totchild, totgroup = 0 /*, pa_num */;
const bool dupli_type_hack = !BKE_scene_use_new_shading_nodes(scene);
int no_draw_flag = PARS_UNEXIST;
if (psys == NULL) return;
part = psys->part;
if (part == NULL)
return;
if (!psys_check_enabled(par, psys))
return;
if (!for_render)
no_draw_flag |= PARS_NO_DISP;
ctime = BKE_scene_frame_get(scene); /* NOTE: in old animsys, used parent object's timeoffset... */
totpart = psys->totpart;
totchild = psys->totchild;
BLI_srandom((unsigned int)(31415926 + psys->seed));
if ((psys->renderdata || part->draw_as == PART_DRAW_REND) && ELEM(part->ren_as, PART_DRAW_OB, PART_DRAW_GR)) {
ParticleSimulationData sim = {NULL};
sim.scene = scene;
sim.ob = par;
sim.psys = psys;
sim.psmd = psys_get_modifier(par, psys);
/* make sure emitter imat is in global coordinates instead of render view coordinates */
invert_m4_m4(par->imat, par->obmat);
/* first check for loops (particle system object used as dupli object) */
if (part->ren_as == PART_DRAW_OB) {
if (ELEM(part->dup_ob, NULL, par))
return;
}
else { /*PART_DRAW_GR */
if (part->dup_group == NULL || BLI_listbase_is_empty(&part->dup_group->gobject))
return;
if (BLI_findptr(&part->dup_group->gobject, par, offsetof(GroupObject, ob))) {
return;
}
}
/* if we have a hair particle system, use the path cache */
if (part->type == PART_HAIR) {
if (psys->flag & PSYS_HAIR_DONE)
hair = (totchild == 0 || psys->childcache) && psys->pathcache;
if (!hair)
return;
/* we use cache, update totchild according to cached data */
totchild = psys->totchildcache;
totpart = psys->totcached;
}
psys_check_group_weights(part);
psys->lattice_deform_data = psys_create_lattice_deform_data(&sim);
/* gather list of objects or single object */
if (part->ren_as == PART_DRAW_GR) {
if (ctx->do_update) {
BKE_group_handle_recalc_and_update(ctx->eval_ctx, scene, par, part->dup_group);
}
if (part->draw & PART_DRAW_COUNT_GR) {
for (dw = part->dupliweights.first; dw; dw = dw->next)
totgroup += dw->count;
}
else {
for (go = part->dup_group->gobject.first; go; go = go->next)
totgroup++;
}
/* we also copy the actual objects to restore afterwards, since
* BKE_object_where_is_calc_time will change the object which breaks transform */
oblist = MEM_callocN((size_t)totgroup * sizeof(Object *), "dupgroup object list");
obcopylist = MEM_callocN((size_t)totgroup * sizeof(Object), "dupgroup copy list");
if (part->draw & PART_DRAW_COUNT_GR && totgroup) {
dw = part->dupliweights.first;
for (a = 0; a < totgroup; dw = dw->next) {
for (b = 0; b < dw->count; b++, a++) {
oblist[a] = dw->ob;
obcopylist[a] = *dw->ob;
}
}
}
else {
go = part->dup_group->gobject.first;
for (a = 0; a < totgroup; a++, go = go->next) {
oblist[a] = go->ob;
obcopylist[a] = *go->ob;
}
}
}
else {
ob = part->dup_ob;
obcopy = *ob;
}
if (totchild == 0 || part->draw & PART_DRAW_PARENT)
a = 0;
else
a = totpart;
for (pa = psys->particles; a < totpart + totchild; a++, pa++) {
if (a < totpart) {
/* handle parent particle */
if (pa->flag & no_draw_flag)
continue;
/* pa_num = pa->num; */ /* UNUSED */
pa_time = pa->time;
size = pa->size;
}
else {
/* handle child particle */
cpa = &psys->child[a - totpart];
/* pa_num = a; */ /* UNUSED */
pa_time = psys->particles[cpa->parent].time;
size = psys_get_child_size(psys, cpa, ctime, NULL);
}
/* some hair paths might be non-existent so they can't be used for duplication */
if (hair && psys->pathcache &&
((a < totpart && psys->pathcache[a]->segments < 0) ||
(a >= totpart && psys->childcache[a - totpart]->segments < 0)))
{
continue;
}
if (part->ren_as == PART_DRAW_GR) {
/* prevent divide by zero below [#28336] */
if (totgroup == 0)
continue;
/* for groups, pick the object based on settings */
if (part->draw & PART_DRAW_RAND_GR)
b = BLI_rand() % totgroup;
else
b = a % totgroup;
ob = oblist[b];
obmat = oblist[b]->obmat;
}
else {
obmat = ob->obmat;
}
if (hair) {
/* hair we handle separate and compute transform based on hair keys */
if (a < totpart) {
cache = psys->pathcache[a];
psys_get_dupli_path_transform(&sim, pa, NULL, cache, pamat, &scale);
}
else {
cache = psys->childcache[a - totpart];
psys_get_dupli_path_transform(&sim, NULL, cpa, cache, pamat, &scale);
}
copy_v3_v3(pamat[3], cache->co);
pamat[3][3] = 1.0f;
}
else {
/* first key */
state.time = ctime;
if (psys_get_particle_state(&sim, a, &state, 0) == 0) {
continue;
}
else {
float tquat[4];
normalize_qt_qt(tquat, state.rot);
quat_to_mat4(pamat, tquat);
copy_v3_v3(pamat[3], state.co);
pamat[3][3] = 1.0f;
}
}
if (part->ren_as == PART_DRAW_GR && psys->part->draw & PART_DRAW_WHOLE_GR) {
for (go = part->dup_group->gobject.first, b = 0; go; go = go->next, b++) {
copy_m4_m4(tmat, oblist[b]->obmat);
/* apply particle scale */
mul_mat3_m4_fl(tmat, size * scale);
mul_v3_fl(tmat[3], size * scale);
/* group dupli offset, should apply after everything else */
if (!is_zero_v3(part->dup_group->dupli_ofs))
sub_v3_v3(tmat[3], part->dup_group->dupli_ofs);
/* individual particle transform */
mul_m4_m4m4(mat, pamat, tmat);
dob = make_dupli(ctx, go->ob, mat, a, false, false);
dob->particle_system = psys;
if (use_texcoords)
psys_get_dupli_texture(psys, part, sim.psmd, pa, cpa, dob->uv, dob->orco);
}
}
else {
/* to give ipos in object correct offset */
BKE_object_where_is_calc_time(scene, ob, ctime - pa_time);
copy_v3_v3(vec, obmat[3]);
obmat[3][0] = obmat[3][1] = obmat[3][2] = 0.0f;
/* particle rotation uses x-axis as the aligned axis, so pre-rotate the object accordingly */
if ((part->draw & PART_DRAW_ROTATE_OB) == 0) {
float xvec[3], q[4], size_mat[4][4], original_size[3];
mat4_to_size(original_size, obmat);
size_to_mat4(size_mat, original_size);
xvec[0] = -1.f;
xvec[1] = xvec[2] = 0;
vec_to_quat(q, xvec, ob->trackflag, ob->upflag);
quat_to_mat4(obmat, q);
obmat[3][3] = 1.0f;
/* add scaling if requested */
if ((part->draw & PART_DRAW_NO_SCALE_OB) == 0)
mul_m4_m4m4(obmat, obmat, size_mat);
}
else if (part->draw & PART_DRAW_NO_SCALE_OB) {
/* remove scaling */
float size_mat[4][4], original_size[3];
mat4_to_size(original_size, obmat);
size_to_mat4(size_mat, original_size);
invert_m4(size_mat);
mul_m4_m4m4(obmat, obmat, size_mat);
}
mul_m4_m4m4(tmat, pamat, obmat);
mul_mat3_m4_fl(tmat, size * scale);
copy_m4_m4(mat, tmat);
if (part->draw & PART_DRAW_GLOBAL_OB)
add_v3_v3v3(mat[3], mat[3], vec);
dob = make_dupli(ctx, ob, mat, a, false, false);
dob->particle_system = psys;
if (use_texcoords)
psys_get_dupli_texture(psys, part, sim.psmd, pa, cpa, dob->uv, dob->orco);
/* XXX blender internal needs this to be set to dupligroup to render
* groups correctly, but we don't want this hack for cycles */
if (dupli_type_hack && ctx->group)
dob->type = OB_DUPLIGROUP;
}
}
/* restore objects since they were changed in BKE_object_where_is_calc_time */
if (part->ren_as == PART_DRAW_GR) {
for (a = 0; a < totgroup; a++)
*(oblist[a]) = obcopylist[a];
}
else
*ob = obcopy;
}
/* clean up */
if (oblist)
MEM_freeN(oblist);
if (obcopylist)
MEM_freeN(obcopylist);
if (psys->lattice_deform_data) {
end_latt_deform(psys->lattice_deform_data);
psys->lattice_deform_data = NULL;
}
}
Base *BKE_scene_base_find(Scene *scene, Object *ob)
{
return BLI_findptr(&scene->base, ob, offsetof(Base, object));
}
