/* OB_DUPLIGROUP */
static void make_duplis_group(const DupliContext *ctx)
{
bool for_render = ctx->eval_ctx->for_render;
Object *ob = ctx->object;
Group *group;
GroupObject *go;
float group_mat[4][4];
int id;
bool animated, hide;
if (ob->dup_group == NULL) return;
group = ob->dup_group;
/* combine group offset and obmat */
unit_m4(group_mat);
sub_v3_v3(group_mat[3], group->dupli_ofs);
mul_m4_m4m4(group_mat, ob->obmat, group_mat);
/* don't access 'ob->obmat' from now on. */
/* handles animated groups */
/* we need to check update for objects that are not in scene... */
if (ctx->do_update) {
/* note: update is optional because we don't always need object
* transformations to be correct. Also fixes bug [#29616]. */
BKE_group_handle_recalc_and_update(ctx->eval_ctx, ctx->scene, ob, group);
}
animated = BKE_group_is_animated(group, ob);
for (go = group->gobject.first, id = 0; go; go = go->next, id++) {
/* note, if you check on layer here, render goes wrong... it still deforms verts and uses parent imat */
if (go->ob != ob) {
float mat[4][4];
/* group dupli offset, should apply after everything else */
mul_m4_m4m4(mat, group_mat, go->ob->obmat);
/* check the group instance and object layers match, also that the object visible flags are ok. */
hide = (go->ob->lay & group->layer) == 0 ||
(for_render ? go->ob->restrictflag & OB_RESTRICT_RENDER : go->ob->restrictflag & OB_RESTRICT_VIEW);
make_dupli(ctx, go->ob, mat, id, animated, hide);
/* recursion */
make_recursive_duplis(ctx, go->ob, group_mat, id, animated);
}
}
}
static void scene_update_all_bases(EvaluationContext *eval_ctx, Scene *scene, Scene *scene_parent)
{
Base *base;
for (base = scene->base.first; base; base = base->next) {
Object *object = base->object;
BKE_object_handle_update_ex(eval_ctx, scene_parent, object, scene->rigidbody_world);
if (object->dup_group && (object->transflag & OB_DUPLIGROUP))
BKE_group_handle_recalc_and_update(eval_ctx, scene_parent, object, object->dup_group);
/* always update layer, so that animating layers works (joshua july 2010) */
/* XXX commented out, this has depsgraph issues anyway - and this breaks setting scenes
* (on scene-set, the base-lay is copied to ob-lay (ton nov 2012) */
// base->lay = ob->lay;
}
}
/* deps hack - do extra recalcs at end */
static void scene_depsgraph_hack(Scene *scene, Scene *scene_parent)
{
Base *base;
scene->customdata_mask = scene_parent->customdata_mask;
/* sets first, we allow per definition current scene to have
* dependencies on sets, but not the other way around. */
if (scene->set)
scene_depsgraph_hack(scene->set, scene_parent);
for (base = scene->base.first; base; base = base->next) {
Object *ob = base->object;
if (ob->depsflag) {
int recalc = 0;
// printf("depshack %s\n", ob->id.name + 2);
if (ob->depsflag & OB_DEPS_EXTRA_OB_RECALC)
recalc |= OB_RECALC_OB;
if (ob->depsflag & OB_DEPS_EXTRA_DATA_RECALC)
recalc |= OB_RECALC_DATA;
ob->recalc |= recalc;
BKE_object_handle_update(scene_parent, ob);
if (ob->dup_group && (ob->transflag & OB_DUPLIGROUP)) {
GroupObject *go;
for (go = ob->dup_group->gobject.first; go; go = go->next) {
if (go->ob)
go->ob->recalc |= recalc;
}
BKE_group_handle_recalc_and_update(scene_parent, ob, ob->dup_group);
}
}
}
}
static void scene_update_tagged_recursive(Main *bmain, Scene *scene, Scene *scene_parent)
{
Base *base;
scene->customdata_mask = scene_parent->customdata_mask;
/* sets first, we allow per definition current scene to have
* dependencies on sets, but not the other way around. */
if (scene->set)
scene_update_tagged_recursive(bmain, scene->set, scene_parent);
/* scene objects */
for (base = scene->base.first; base; base = base->next) {
Object *ob = base->object;
BKE_object_handle_update_ex(scene_parent, ob, scene->rigidbody_world);
if (ob->dup_group && (ob->transflag & OB_DUPLIGROUP))
BKE_group_handle_recalc_and_update(scene_parent, ob, ob->dup_group);
/* always update layer, so that animating layers works (joshua july 2010) */
/* XXX commented out, this has depsgraph issues anyway - and this breaks setting scenes
* (on scene-set, the base-lay is copied to ob-lay (ton nov 2012) */
// base->lay = ob->lay;
}
/* scene drivers... */
scene_update_drivers(bmain, scene);
/* update sound system animation */
sound_update_scene(scene);
/* update masking curves */
BKE_mask_update_scene(bmain, scene);
}
/* 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;
}
}
/* OB_DUPLIGROUP */
static void make_duplis_group(const DupliContext *ctx)
{
bool for_render = (ctx->eval_ctx->mode == DAG_EVAL_RENDER);
Object *ob = ctx->object;
Group *group;
GroupObject *go;
float group_mat[4][4];
int id;
bool animated, hide;
if (ob->dup_group == NULL) return;
group = ob->dup_group;
/* combine group offset and obmat */
unit_m4(group_mat);
sub_v3_v3(group_mat[3], group->dupli_ofs);
mul_m4_m4m4(group_mat, ob->obmat, group_mat);
/* don't access 'ob->obmat' from now on. */
/* handles animated groups */
/* we need to check update for objects that are not in scene... */
if (ctx->do_update) {
/* note: update is optional because we don't always need object
* transformations to be correct. Also fixes bug [#29616]. */
BKE_group_handle_recalc_and_update(ctx->eval_ctx, ctx->scene, ob, group);
}
animated = BKE_group_is_animated(group, ob);
for (go = group->gobject.first, id = 0; go; go = go->next, id++) {
/* note, if you check on layer here, render goes wrong... it still deforms verts and uses parent imat */
if (go->ob != ob) {
float mat[4][4];
/* Special case for instancing dupli-groups, see: T40051
* this object may be instanced via dupli-verts/faces, in this case we don't want to render
* (blender convention), but _do_ show in the viewport.
*
* Regular objects work fine but not if we're instancing dupli-groups,
* because the rules for rendering aren't applied to objects they instance.
* We could recursively pass down the 'hide' flag instead, but that seems unnecessary.
*/
if (for_render && go->ob->parent && go->ob->parent->transflag & (OB_DUPLIVERTS | OB_DUPLIFACES)) {
continue;
}
/* group dupli offset, should apply after everything else */
mul_m4_m4m4(mat, group_mat, go->ob->obmat);
/* check the group instance and object layers match, also that the object visible flags are ok. */
hide = (go->ob->lay & group->layer) == 0 ||
(for_render ? go->ob->restrictflag & OB_RESTRICT_RENDER : go->ob->restrictflag & OB_RESTRICT_VIEW);
make_dupli(ctx, go->ob, mat, id, animated, hide);
/* recursion */
make_recursive_duplis(ctx, go->ob, group_mat, id, animated);
}
}
}
