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blender-archive/source/blender/blenkernel/intern/object.c

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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/blenkernel/intern/object.c
* \ingroup bke
*/
#include <string.h>
#include <math.h>
#include <stdio.h>
#include "MEM_guardedalloc.h"
#include "DNA_anim_types.h"
#include "DNA_armature_types.h"
#include "DNA_camera_types.h"
#include "DNA_constraint_types.h"
#include "DNA_group_types.h"
#include "DNA_key_types.h"
#include "DNA_lattice_types.h"
#include "DNA_material_types.h"
#include "DNA_meta_types.h"
#include "DNA_mesh_types.h"
#include "DNA_meshdata_types.h"
#include "DNA_movieclip_types.h"
#include "DNA_scene_types.h"
#include "DNA_screen_types.h"
#include "DNA_sequence_types.h"
#include "DNA_smoke_types.h"
#include "DNA_sound_types.h"
#include "DNA_space_types.h"
#include "DNA_view3d_types.h"
#include "DNA_world_types.h"
#include "DNA_object_types.h"
#include "DNA_property_types.h"
#include "DNA_rigidbody_types.h"
#include "BLI_blenlib.h"
#include "BLI_math.h"
#include "BLI_threads.h"
#include "BLI_utildefines.h"
#include "BLI_linklist.h"
#include "BLI_kdtree.h"
#include "BLF_translation.h"
#include "BKE_pbvh.h"
#include "BKE_main.h"
#include "BKE_global.h"
#include "BKE_idprop.h"
#include "BKE_armature.h"
#include "BKE_action.h"
#include "BKE_bullet.h"
#include "BKE_colortools.h"
#include "BKE_deform.h"
#include "BKE_depsgraph.h"
#include "BKE_DerivedMesh.h"
#include "BKE_animsys.h"
#include "BKE_anim.h"
#include "BKE_constraint.h"
#include "BKE_curve.h"
#include "BKE_displist.h"
#include "BKE_effect.h"
#include "BKE_fcurve.h"
#include "BKE_group.h"
#include "BKE_icons.h"
#include "BKE_key.h"
#include "BKE_lamp.h"
#include "BKE_lattice.h"
#include "BKE_library.h"
#include "BKE_linestyle.h"
#include "BKE_mesh.h"
#include "BKE_editmesh.h"
#include "BKE_mball.h"
#include "BKE_modifier.h"
#include "BKE_node.h"
#include "BKE_object.h"
#include "BKE_paint.h"
#include "BKE_particle.h"
#include "BKE_pointcache.h"
#include "BKE_property.h"
#include "BKE_rigidbody.h"
#include "BKE_sca.h"
#include "BKE_scene.h"
#include "BKE_sequencer.h"
#include "BKE_speaker.h"
#include "BKE_softbody.h"
#include "BKE_material.h"
#include "BKE_camera.h"
#include "BKE_image.h"
#ifdef WITH_MOD_FLUID
#include "LBM_fluidsim.h"
#endif
#ifdef WITH_PYTHON
#include "BPY_extern.h"
#endif
#include "GPU_material.h"
/* Vertex parent modifies original BMesh which is not safe for threading.
* Ideally such a modification should be handled as a separate DAG update
* callback for mesh datablock, but for until it is actually supported use
* simpler solution with a mutex lock.
* - sergey -
*/
#define VPARENT_THREADING_HACK
#ifdef VPARENT_THREADING_HACK
static ThreadMutex vparent_lock = BLI_MUTEX_INITIALIZER;
#endif
void BKE_object_workob_clear(Object *workob)
{
memset(workob, 0, sizeof(Object));
workob->size[0] = workob->size[1] = workob->size[2] = 1.0f;
workob->dscale[0] = workob->dscale[1] = workob->dscale[2] = 1.0f;
workob->rotmode = ROT_MODE_EUL;
}
void BKE_object_update_base_layer(struct Scene *scene, Object *ob)
{
Base *base = scene->base.first;
while (base) {
if (base->object == ob) base->lay = ob->lay;
base = base->next;
}
}
void BKE_object_free_particlesystems(Object *ob)
{
ParticleSystem *psys;
while ((psys = BLI_pophead(&ob->particlesystem))) {
psys_free(ob, psys);
}
}
void BKE_object_free_softbody(Object *ob)
{
if (ob->soft) {
sbFree(ob->soft);
ob->soft = NULL;
}
}
void BKE_object_free_bulletsoftbody(Object *ob)
{
if (ob->bsoft) {
bsbFree(ob->bsoft);
ob->bsoft = NULL;
}
}
void BKE_object_free_curve_cache(Object *ob)
{
if (ob->curve_cache) {
BKE_displist_free(&ob->curve_cache->disp);
BLI_freelistN(&ob->curve_cache->bev);
if (ob->curve_cache->path) {
free_path(ob->curve_cache->path);
}
MEM_freeN(ob->curve_cache);
ob->curve_cache = NULL;
}
}
void BKE_object_free_modifiers(Object *ob)
{
ModifierData *md;
while ((md = BLI_pophead(&ob->modifiers))) {
modifier_free(md);
}
/* particle modifiers were freed, so free the particlesystems as well */
BKE_object_free_particlesystems(ob);
/* same for softbody */
BKE_object_free_softbody(ob);
}
void BKE_object_modifier_hook_reset(Object *ob, HookModifierData *hmd)
{
/* reset functionality */
if (hmd->object) {
bPoseChannel *pchan = BKE_pose_channel_find_name(hmd->object->pose, hmd->subtarget);
if (hmd->subtarget[0] && pchan) {
float imat[4][4], mat[4][4];
/* calculate the world-space matrix for the pose-channel target first, then carry on as usual */
mul_m4_m4m4(mat, hmd->object->obmat, pchan->pose_mat);
invert_m4_m4(imat, mat);
mul_m4_m4m4(hmd->parentinv, imat, ob->obmat);
}
else {
invert_m4_m4(hmd->object->imat, hmd->object->obmat);
mul_m4_m4m4(hmd->parentinv, hmd->object->imat, ob->obmat);
}
}
}
bool BKE_object_support_modifier_type_check(Object *ob, int modifier_type)
{
ModifierTypeInfo *mti;
mti = modifierType_getInfo(modifier_type);
if (!((mti->flags & eModifierTypeFlag_AcceptsCVs) ||
(ob->type == OB_MESH && (mti->flags & eModifierTypeFlag_AcceptsMesh))))
{
return false;
}
return true;
}
void BKE_object_link_modifiers(struct Object *ob_dst, struct Object *ob_src)
{
ModifierData *md;
BKE_object_free_modifiers(ob_dst);
if (!ELEM5(ob_dst->type, OB_MESH, OB_CURVE, OB_SURF, OB_FONT, OB_LATTICE)) {
/* only objects listed above can have modifiers and linking them to objects
* which doesn't have modifiers stack is quite silly */
return;
}
for (md = ob_src->modifiers.first; md; md = md->next) {
ModifierData *nmd = NULL;
if (ELEM4(md->type,
eModifierType_Hook,
eModifierType_Softbody,
eModifierType_ParticleInstance,
eModifierType_Collision))
{
continue;
}
if (!BKE_object_support_modifier_type_check(ob_dst, md->type))
continue;
if (md->type == eModifierType_Skin) {
/* ensure skin-node customdata exists */
BKE_mesh_ensure_skin_customdata(ob_dst->data);
}
nmd = modifier_new(md->type);
BLI_strncpy(nmd->name, md->name, sizeof(nmd->name));
modifier_copyData(md, nmd);
BLI_addtail(&ob_dst->modifiers, nmd);
modifier_unique_name(&ob_dst->modifiers, nmd);
}
BKE_object_copy_particlesystems(ob_dst, ob_src);
BKE_object_copy_softbody(ob_dst, ob_src);
/* TODO: smoke?, cloth? */
}
/* free data derived from mesh, called when mesh changes or is freed */
void BKE_object_free_derived_caches(Object *ob)
{
/* also serves as signal to remake texspace */
if (ob->type == OB_MESH) {
Mesh *me = ob->data;
if (me->bb) {
me->bb->flag |= BOUNDBOX_DIRTY;
}
}
else if (ELEM3(ob->type, OB_SURF, OB_CURVE, OB_FONT)) {
Curve *cu = ob->data;
if (cu->bb) {
cu->bb->flag |= BOUNDBOX_DIRTY;
}
}
if (ob->bb) {
MEM_freeN(ob->bb);
ob->bb = NULL;
}
if (ob->derivedFinal) {
ob->derivedFinal->needsFree = 1;
ob->derivedFinal->release(ob->derivedFinal);
ob->derivedFinal = NULL;
}
if (ob->derivedDeform) {
ob->derivedDeform->needsFree = 1;
ob->derivedDeform->release(ob->derivedDeform);
ob->derivedDeform = NULL;
}
if (ob->curve_cache) {
BKE_displist_free(&ob->curve_cache->disp);
BLI_freelistN(&ob->curve_cache->bev);
if (ob->curve_cache->path) {
free_path(ob->curve_cache->path);
ob->curve_cache->path = NULL;
}
/* Signal for viewport to run DAG workarounds. */
MEM_freeN(ob->curve_cache);
ob->curve_cache = NULL;
}
}
/* do not free object itself */
void BKE_object_free_ex(Object *ob, bool do_id_user)
{
int a;
BKE_object_free_derived_caches(ob);
/* disconnect specific data, but not for lib data (might be indirect data, can get relinked) */
if (ob->data) {
ID *id = ob->data;
id->us--;
if (id->us == 0 && id->lib == NULL) {
switch (ob->type) {
case OB_MESH:
BKE_mesh_unlink((Mesh *)id);
break;
case OB_CURVE:
BKE_curve_unlink((Curve *)id);
break;
case OB_MBALL:
BKE_mball_unlink((MetaBall *)id);
break;
}
}
ob->data = NULL;
}
if (ob->mat) {
for (a = 0; a < ob->totcol; a++) {
if (ob->mat[a]) ob->mat[a]->id.us--;
}
MEM_freeN(ob->mat);
}
if (ob->matbits) MEM_freeN(ob->matbits);
ob->mat = NULL;
ob->matbits = NULL;
if (ob->iuser) MEM_freeN(ob->iuser);
ob->iuser = NULL;
if (ob->bb) MEM_freeN(ob->bb);
ob->bb = NULL;
if (ob->adt) BKE_free_animdata((ID *)ob);
if (ob->poselib) ob->poselib->id.us--;
if (ob->gpd) ((ID *)ob->gpd)->us--;
if (ob->defbase.first)
BLI_freelistN(&ob->defbase);
if (ob->pose)
BKE_pose_free_ex(ob->pose, do_id_user);
if (ob->mpath)
animviz_free_motionpath(ob->mpath);
BKE_bproperty_free_list(&ob->prop);
BKE_object_free_modifiers(ob);
free_sensors(&ob->sensors);
free_controllers(&ob->controllers);
free_actuators(&ob->actuators);
BKE_free_constraints(&ob->constraints);
free_partdeflect(ob->pd);
BKE_rigidbody_free_object(ob);
BKE_rigidbody_free_constraint(ob);
if (ob->soft) sbFree(ob->soft);
if (ob->bsoft) bsbFree(ob->bsoft);
if (ob->gpulamp.first) GPU_lamp_free(ob);
free_sculptsession(ob);
if (ob->pc_ids.first) BLI_freelistN(&ob->pc_ids);
BLI_freelistN(&ob->lodlevels);
/* Free runtime curves data. */
if (ob->curve_cache) {
BLI_freelistN(&ob->curve_cache->bev);
if (ob->curve_cache->path)
free_path(ob->curve_cache->path);
MEM_freeN(ob->curve_cache);
}
}
void BKE_object_free(Object *ob)
{
BKE_object_free_ex(ob, true);
}
static void unlink_object__unlinkModifierLinks(void *userData, Object *ob, Object **obpoin)
{
Object *unlinkOb = userData;
if (*obpoin == unlinkOb) {
*obpoin = NULL;
// XXX: should this just be OB_RECALC_DATA?
DAG_id_tag_update(&ob->id, OB_RECALC_OB | OB_RECALC_DATA | OB_RECALC_TIME);
}
}
void BKE_object_unlink(Object *ob)
{
Main *bmain = G.main;
Object *obt;
Material *mat;
World *wrld;
bScreen *sc;
Scene *sce;
SceneRenderLayer *srl;
FreestyleLineSet *lineset;
Curve *cu;
Tex *tex;
Group *group;
Camera *camera;
bConstraint *con;
//bActionStrip *strip; // XXX animsys
ModifierData *md;
ARegion *ar;
RegionView3D *rv3d;
LodLevel *lod;
int a, found;
unlink_controllers(&ob->controllers);
unlink_actuators(&ob->actuators);
/* check all objects: parents en bevels and fields, also from libraries */
/* FIXME: need to check all animation blocks (drivers) */
obt = bmain->object.first;
while (obt) {
if (obt->proxy == ob)
obt->proxy = NULL;
if (obt->proxy_from == ob) {
obt->proxy_from = NULL;
DAG_id_tag_update(&obt->id, OB_RECALC_OB);
}
if (obt->proxy_group == ob)
obt->proxy_group = NULL;
if (obt->parent == ob) {
obt->parent = NULL;
DAG_id_tag_update(&obt->id, OB_RECALC_OB | OB_RECALC_DATA | OB_RECALC_TIME);
}
modifiers_foreachObjectLink(obt, unlink_object__unlinkModifierLinks, ob);
if (ELEM(obt->type, OB_CURVE, OB_FONT)) {
cu = obt->data;
if (cu->bevobj == ob) {
cu->bevobj = NULL;
DAG_id_tag_update(&obt->id, OB_RECALC_OB | OB_RECALC_DATA | OB_RECALC_TIME);
}
if (cu->taperobj == ob) {
cu->taperobj = NULL;
DAG_id_tag_update(&obt->id, OB_RECALC_OB | OB_RECALC_DATA | OB_RECALC_TIME);
}
if (cu->textoncurve == ob) {
cu->textoncurve = NULL;
DAG_id_tag_update(&obt->id, OB_RECALC_OB | OB_RECALC_DATA | OB_RECALC_TIME);
}
}
else if (obt->type == OB_ARMATURE && obt->pose) {
bPoseChannel *pchan;
for (pchan = obt->pose->chanbase.first; pchan; pchan = pchan->next) {
for (con = pchan->constraints.first; con; con = con->next) {
bConstraintTypeInfo *cti = BKE_constraint_get_typeinfo(con);
ListBase targets = {NULL, NULL};
bConstraintTarget *ct;
if (cti && cti->get_constraint_targets) {
cti->get_constraint_targets(con, &targets);
for (ct = targets.first; ct; ct = ct->next) {
if (ct->tar == ob) {
ct->tar = NULL;
ct->subtarget[0] = '\0';
DAG_id_tag_update(&obt->id, OB_RECALC_DATA);
}
}
if (cti->flush_constraint_targets)
cti->flush_constraint_targets(con, &targets, 0);
}
}
if (pchan->custom == ob)
pchan->custom = NULL;
}
}
else if (ELEM(OB_MBALL, ob->type, obt->type)) {
if (BKE_mball_is_basis_for(obt, ob))
DAG_id_tag_update(&obt->id, OB_RECALC_DATA);
}
sca_remove_ob_poin(obt, ob);
for (con = obt->constraints.first; con; con = con->next) {
bConstraintTypeInfo *cti = BKE_constraint_get_typeinfo(con);
ListBase targets = {NULL, NULL};
bConstraintTarget *ct;
if (cti && cti->get_constraint_targets) {
cti->get_constraint_targets(con, &targets);
for (ct = targets.first; ct; ct = ct->next) {
if (ct->tar == ob) {
ct->tar = NULL;
ct->subtarget[0] = '\0';
DAG_id_tag_update(&obt->id, OB_RECALC_DATA);
}
}
if (cti->flush_constraint_targets)
cti->flush_constraint_targets(con, &targets, 0);
}
}
/* object is deflector or field */
if (ob->pd) {
if (obt->soft)
DAG_id_tag_update(&obt->id, OB_RECALC_DATA);
/* cloth */
for (md = obt->modifiers.first; md; md = md->next)
if (md->type == eModifierType_Cloth)
DAG_id_tag_update(&obt->id, OB_RECALC_DATA);
}
/* strips */
#if 0 // XXX old animation system
for (strip = obt->nlastrips.first; strip; strip = strip->next) {
if (strip->object == ob)
strip->object = NULL;
if (strip->modifiers.first) {
bActionModifier *amod;
for (amod = strip->modifiers.first; amod; amod = amod->next)
if (amod->ob == ob)
amod->ob = NULL;
}
}
#endif // XXX old animation system
/* particle systems */
if (obt->particlesystem.first) {
ParticleSystem *tpsys = obt->particlesystem.first;
for (; tpsys; tpsys = tpsys->next) {
BoidState *state = NULL;
BoidRule *rule = NULL;
ParticleTarget *pt = tpsys->targets.first;
for (; pt; pt = pt->next) {
if (pt->ob == ob) {
pt->ob = NULL;
DAG_id_tag_update(&obt->id, OB_RECALC_DATA);
break;
}
}
if (tpsys->target_ob == ob) {
tpsys->target_ob = NULL;
DAG_id_tag_update(&obt->id, OB_RECALC_DATA);
}
if (tpsys->part->dup_ob == ob)
tpsys->part->dup_ob = NULL;
if (tpsys->part->phystype == PART_PHYS_BOIDS) {
ParticleData *pa;
BoidParticle *bpa;
int p;
for (p = 0, pa = tpsys->particles; p < tpsys->totpart; p++, pa++) {
bpa = pa->boid;
if (bpa->ground == ob)
bpa->ground = NULL;
}
}
if (tpsys->part->boids) {
for (state = tpsys->part->boids->states.first; state; state = state->next) {
for (rule = state->rules.first; rule; rule = rule->next) {
if (rule->type == eBoidRuleType_Avoid) {
BoidRuleGoalAvoid *gabr = (BoidRuleGoalAvoid *)rule;
if (gabr->ob == ob)
gabr->ob = NULL;
}
else if (rule->type == eBoidRuleType_FollowLeader) {
BoidRuleFollowLeader *flbr = (BoidRuleFollowLeader *)rule;
if (flbr->ob == ob)
flbr->ob = NULL;
}
}
}
}
if (tpsys->parent == ob)
tpsys->parent = NULL;
}
if (ob->pd)
DAG_id_tag_update(&obt->id, OB_RECALC_DATA);
}
/* levels of detail */
for (lod = obt->lodlevels.first; lod; lod = lod->next) {
if (lod->source == ob)
lod->source = NULL;
}
obt = obt->id.next;
}
/* materials */
mat = bmain->mat.first;
while (mat) {
for (a = 0; a < MAX_MTEX; a++) {
if (mat->mtex[a] && ob == mat->mtex[a]->object) {
/* actually, test for lib here... to do */
mat->mtex[a]->object = NULL;
}
}
mat = mat->id.next;
}
/* textures */
for (tex = bmain->tex.first; tex; tex = tex->id.next) {
if (tex->env && (ob == tex->env->object)) tex->env->object = NULL;
if (tex->pd && (ob == tex->pd->object)) tex->pd->object = NULL;
if (tex->vd && (ob == tex->vd->object)) tex->vd->object = NULL;
}
/* worlds */
wrld = bmain->world.first;
while (wrld) {
if (wrld->id.lib == NULL) {
for (a = 0; a < MAX_MTEX; a++) {
if (wrld->mtex[a] && ob == wrld->mtex[a]->object)
wrld->mtex[a]->object = NULL;
}
}
wrld = wrld->id.next;
}
/* scenes */
sce = bmain->scene.first;
while (sce) {
if (sce->id.lib == NULL) {
if (sce->camera == ob) sce->camera = NULL;
if (sce->toolsettings->skgen_template == ob) sce->toolsettings->skgen_template = NULL;
if (sce->toolsettings->particle.object == ob) sce->toolsettings->particle.object = NULL;
#ifdef DURIAN_CAMERA_SWITCH
{
TimeMarker *m;
for (m = sce->markers.first; m; m = m->next) {
if (m->camera == ob)
m->camera = NULL;
}
}
#endif
if (sce->ed) {
Sequence *seq;
SEQ_BEGIN(sce->ed, seq)
{
if (seq->scene_camera == ob) {
seq->scene_camera = NULL;
}
}
SEQ_END
}
for (srl = sce->r.layers.first; srl; srl = srl->next) {
for (lineset = (FreestyleLineSet *)srl->freestyleConfig.linesets.first;
lineset; lineset = lineset->next)
{
if (lineset->linestyle) {
BKE_unlink_linestyle_target_object(lineset->linestyle, ob);
}
}
}
}
sce = sce->id.next;
}
/* screens */
sc = bmain->screen.first;
while (sc) {
ScrArea *sa = sc->areabase.first;
while (sa) {
SpaceLink *sl;
for (sl = sa->spacedata.first; sl; sl = sl->next) {
if (sl->spacetype == SPACE_VIEW3D) {
View3D *v3d = (View3D *) sl;
/* found doesn't need to be set here */
if (v3d->ob_centre == ob) {
v3d->ob_centre = NULL;
v3d->ob_centre_bone[0] = '\0';
}
if (v3d->localvd && v3d->localvd->ob_centre == ob) {
v3d->localvd->ob_centre = NULL;
v3d->localvd->ob_centre_bone[0] = '\0';
}
found = 0;
if (v3d->camera == ob) {
v3d->camera = NULL;
found = 1;
}
if (v3d->localvd && v3d->localvd->camera == ob) {
v3d->localvd->camera = NULL;
found += 2;
}
if (found) {
if (sa->spacetype == SPACE_VIEW3D) {
for (ar = sa->regionbase.first; ar; ar = ar->next) {
if (ar->regiontype == RGN_TYPE_WINDOW) {
rv3d = (RegionView3D *)ar->regiondata;
if (found == 1 || found == 3) {
if (rv3d->persp == RV3D_CAMOB)
rv3d->persp = RV3D_PERSP;
}
if (found == 2 || found == 3) {
if (rv3d->localvd && rv3d->localvd->persp == RV3D_CAMOB)
rv3d->localvd->persp = RV3D_PERSP;
}
}
}
}
}
}
else if (sl->spacetype == SPACE_OUTLINER) {
SpaceOops *so = (SpaceOops *)sl;
if (so->treestore) {
TreeStoreElem *tselem;
BLI_mempool_iter iter;
BLI_mempool_iternew(so->treestore, &iter);
while ((tselem = BLI_mempool_iterstep(&iter))) {
if (tselem->id == (ID *)ob) tselem->id = NULL;
}
}
}
else if (sl->spacetype == SPACE_BUTS) {
SpaceButs *sbuts = (SpaceButs *)sl;
if (sbuts->pinid == (ID *)ob) {
sbuts->flag &= ~SB_PIN_CONTEXT;
sbuts->pinid = NULL;
}
}
else if (sl->spacetype == SPACE_NODE) {
SpaceNode *snode = (SpaceNode *)sl;
if (snode->from == (ID *)ob) {
snode->flag &= ~SNODE_PIN;
snode->from = NULL;
}
}
}
sa = sa->next;
}
sc = sc->id.next;
}
/* groups */
group = bmain->group.first;
while (group) {
BKE_group_object_unlink(group, ob, NULL, NULL);
group = group->id.next;
}
/* cameras */
camera = bmain->camera.first;
while (camera) {
if (camera->dof_ob == ob) {
camera->dof_ob = NULL;
}
camera = camera->id.next;
}
}
/* actual check for internal data, not context or flags */
bool BKE_object_is_in_editmode(Object *ob)
{
if (ob->data == NULL)
return false;
if (ob->type == OB_MESH) {
Mesh *me = ob->data;
if (me->edit_btmesh)
return true;
}
else if (ob->type == OB_ARMATURE) {
bArmature *arm = ob->data;
if (arm->edbo)
return true;
}
else if (ob->type == OB_FONT) {
Curve *cu = ob->data;
if (cu->editfont)
return true;
}
else if (ob->type == OB_MBALL) {
MetaBall *mb = ob->data;
if (mb->editelems)
return true;
}
else if (ob->type == OB_LATTICE) {
Lattice *lt = ob->data;
if (lt->editlatt)
return true;
}
else if (ob->type == OB_SURF || ob->type == OB_CURVE) {
Curve *cu = ob->data;
if (cu->editnurb)
return true;
}
return false;
}
bool BKE_object_is_in_editmode_vgroup(Object *ob)
{
return (OB_TYPE_SUPPORT_VGROUP(ob->type) &&
BKE_object_is_in_editmode(ob));
}
bool BKE_object_is_in_wpaint_select_vert(Object *ob)
{
if (ob->type == OB_MESH) {
Mesh *me = ob->data;
return ( (ob->mode & OB_MODE_WEIGHT_PAINT) &&
(me->edit_btmesh == NULL) &&
(ME_EDIT_PAINT_SEL_MODE(me) == SCE_SELECT_VERTEX) );
}
return false;
}
bool BKE_object_exists_check(Object *obtest)
{
Object *ob;
if (obtest == NULL) return false;
ob = G.main->object.first;
while (ob) {
if (ob == obtest) return true;
ob = ob->id.next;
}
return false;
}
/* *************************************************** */
void *BKE_object_obdata_add_from_type(Main *bmain, int type)
{
switch (type) {
case OB_MESH: return BKE_mesh_add(bmain, "Mesh");
case OB_CURVE: return BKE_curve_add(bmain, "Curve", OB_CURVE);
case OB_SURF: return BKE_curve_add(bmain, "Surf", OB_SURF);
case OB_FONT: return BKE_curve_add(bmain, "Text", OB_FONT);
case OB_MBALL: return BKE_mball_add(bmain, "Meta");
case OB_CAMERA: return BKE_camera_add(bmain, "Camera");
case OB_LAMP: return BKE_lamp_add(bmain, "Lamp");
case OB_LATTICE: return BKE_lattice_add(bmain, "Lattice");
case OB_ARMATURE: return BKE_armature_add(bmain, "Armature");
case OB_SPEAKER: return BKE_speaker_add(bmain, "Speaker");
case OB_EMPTY: return NULL;
default:
printf("BKE_object_obdata_add_from_type: Internal error, bad type: %d\n", type);
return NULL;
}
}
static const char *get_obdata_defname(int type)
{
switch (type) {
case OB_MESH: return DATA_("Mesh");
case OB_CURVE: return DATA_("Curve");
case OB_SURF: return DATA_("Surf");
case OB_FONT: return DATA_("Text");
case OB_MBALL: return DATA_("Mball");
case OB_CAMERA: return DATA_("Camera");
case OB_LAMP: return DATA_("Lamp");
case OB_LATTICE: return DATA_("Lattice");
case OB_ARMATURE: return DATA_("Armature");
case OB_SPEAKER: return DATA_("Speaker");
case OB_EMPTY: return DATA_("Empty");
default:
printf("get_obdata_defname: Internal error, bad type: %d\n", type);
return DATA_("Empty");
}
}
/* more general add: creates minimum required data, but without vertices etc. */
Object *BKE_object_add_only_object(Main *bmain, int type, const char *name)
{
Object *ob;
if (!name)
name = get_obdata_defname(type);
ob = BKE_libblock_alloc(bmain, ID_OB, name);
/* default object vars */
ob->type = type;
ob->col[0] = ob->col[1] = ob->col[2] = 1.0;
ob->col[3] = 1.0;
ob->size[0] = ob->size[1] = ob->size[2] = 1.0;
ob->dscale[0] = ob->dscale[1] = ob->dscale[2] = 1.0;
/* objects should default to having Euler XYZ rotations,
* but rotations default to quaternions
*/
ob->rotmode = ROT_MODE_EUL;
unit_axis_angle(ob->rotAxis, &ob->rotAngle);
unit_axis_angle(ob->drotAxis, &ob->drotAngle);
unit_qt(ob->quat);
unit_qt(ob->dquat);
/* rotation locks should be 4D for 4 component rotations by default... */
ob->protectflag = OB_LOCK_ROT4D;
unit_m4(ob->constinv);
unit_m4(ob->parentinv);
unit_m4(ob->obmat);
ob->dt = OB_TEXTURE;
ob->empty_drawtype = OB_PLAINAXES;
ob->empty_drawsize = 1.0;
if (ELEM3(type, OB_LAMP, OB_CAMERA, OB_SPEAKER)) {
ob->trackflag = OB_NEGZ;
ob->upflag = OB_POSY;
}
else {
ob->trackflag = OB_POSY;
ob->upflag = OB_POSZ;
}
ob->dupon = 1; ob->dupoff = 0;
ob->dupsta = 1; ob->dupend = 100;
ob->dupfacesca = 1.0;
/* Game engine defaults*/
ob->mass = ob->inertia = 1.0f;
ob->formfactor = 0.4f;
ob->damping = 0.04f;
ob->rdamping = 0.1f;
ob->anisotropicFriction[0] = 1.0f;
ob->anisotropicFriction[1] = 1.0f;
ob->anisotropicFriction[2] = 1.0f;
ob->gameflag = OB_PROP | OB_COLLISION;
ob->margin = 0.04f;
ob->init_state = 1;
ob->state = 1;
/* ob->pad3 == Contact Processing Threshold */
ob->m_contactProcessingThreshold = 1.0f;
ob->obstacleRad = 1.0f;
ob->step_height = 0.15f;
ob->jump_speed = 10.0f;
ob->fall_speed = 55.0f;
ob->col_group = 0x01;
ob->col_mask = 0xff;
/* NT fluid sim defaults */
ob->fluidsimSettings = NULL;
BLI_listbase_clear(&ob->pc_ids);
/* Animation Visualization defaults */
animviz_settings_init(&ob->avs);
return ob;
}
/* general add: to scene, with layer from area and default name */
/* creates minimum required data, but without vertices etc. */
Object *BKE_object_add(Main *bmain, Scene *scene, int type)
{
Object *ob;
Base *base;
char name[MAX_ID_NAME];
BLI_strncpy(name, get_obdata_defname(type), sizeof(name));
ob = BKE_object_add_only_object(bmain, type, name);
ob->data = BKE_object_obdata_add_from_type(bmain, type);
ob->lay = scene->lay;
base = BKE_scene_base_add(scene, ob);
BKE_scene_base_deselect_all(scene);
BKE_scene_base_select(scene, base);
DAG_id_tag_update_ex(bmain, &ob->id, OB_RECALC_OB | OB_RECALC_DATA | OB_RECALC_TIME);
return ob;
}
void BKE_object_lod_add(Object *ob)
{
LodLevel *lod = MEM_callocN(sizeof(LodLevel), "LoD Level");
LodLevel *last = ob->lodlevels.last;
/* If the lod list is empty, initialize it with the base lod level */
if (!last) {
LodLevel *base = MEM_callocN(sizeof(LodLevel), "Base LoD Level");
BLI_addtail(&ob->lodlevels, base);
base->flags = OB_LOD_USE_MESH | OB_LOD_USE_MAT;
base->source = ob;
last = ob->currentlod = base;
}
lod->distance = last->distance + 25.0f;
lod->flags = OB_LOD_USE_MESH | OB_LOD_USE_MAT;
BLI_addtail(&ob->lodlevels, lod);
}
static int lod_cmp(void *a, void *b)
{
LodLevel *loda = (LodLevel *)a;
LodLevel *lodb = (LodLevel *)b;
if (loda->distance < lodb->distance) return -1;
return loda->distance > lodb->distance;
}
void BKE_object_lod_sort(Object *ob)
{
BLI_sortlist(&ob->lodlevels, lod_cmp);
}
bool BKE_object_lod_remove(Object *ob, int level)
{
LodLevel *rem;
if (level < 1 || level > BLI_countlist(&ob->lodlevels) - 1)
return false;
rem = BLI_findlink(&ob->lodlevels, level);
if (rem == ob->currentlod) {
ob->currentlod = rem->prev;
}
BLI_remlink(&ob->lodlevels, rem);
MEM_freeN(rem);
/* If there are no user defined lods, remove the base lod as well */
if (BLI_countlist(&ob->lodlevels) == 1) {
LodLevel *base = ob->lodlevels.first;
BLI_remlink(&ob->lodlevels, base);
MEM_freeN(base);
ob->currentlod = NULL;
}
return true;
}
static LodLevel *lod_level_select(Object *ob, const float cam_loc[3])
{
LodLevel *current = ob->currentlod;
float ob_loc[3], delta[3];
float dist_sq;
if (!current) return NULL;
copy_v3_v3(ob_loc, ob->obmat[3]);
sub_v3_v3v3(delta, ob_loc, cam_loc);
dist_sq = len_squared_v3(delta);
if (dist_sq < current->distance * current->distance) {
/* check for higher LoD */
while (current->prev && dist_sq < (current->distance * current->distance)) {
current = current->prev;
}
}
else {
/* check for lower LoD */
while (current->next && dist_sq > (current->next->distance * current->next->distance)) {
current = current->next;
}
}
return current;
}
bool BKE_object_lod_is_usable(Object *ob, Scene *scene)
{
bool active = (scene) ? ob == OBACT : 0;
return (ob->mode == OB_MODE_OBJECT || !active);
}
bool BKE_object_lod_update(Object *ob, float camera_position[3])
{
LodLevel *cur_level = ob->currentlod;
LodLevel *new_level = lod_level_select(ob, camera_position);
if (new_level != cur_level) {
ob->currentlod = new_level;
return true;
}
return false;
}
static Object *lod_ob_get(Object *ob, Scene *scene, int flag)
{
LodLevel *current = ob->currentlod;
if (!current || !BKE_object_lod_is_usable(ob, scene))
return ob;
while (current->prev && (!(current->flags & flag) || !current->source || current->source->type != OB_MESH)) {
current = current->prev;
}
return current->source;
}
struct Object *BKE_object_lod_meshob_get(Object *ob, Scene *scene)
{
return lod_ob_get(ob, scene, OB_LOD_USE_MESH);
}
struct Object *BKE_object_lod_matob_get(Object *ob, Scene *scene)
{
return lod_ob_get(ob, scene, OB_LOD_USE_MAT);
}
SoftBody *copy_softbody(SoftBody *sb, int copy_caches)
{
SoftBody *sbn;
if (sb == NULL) return(NULL);
sbn = MEM_dupallocN(sb);
if (copy_caches == FALSE) {
sbn->totspring = sbn->totpoint = 0;
sbn->bpoint = NULL;
sbn->bspring = NULL;
}
else {
sbn->totspring = sb->totspring;
sbn->totpoint = sb->totpoint;
if (sbn->bpoint) {
int i;
sbn->bpoint = MEM_dupallocN(sbn->bpoint);
for (i = 0; i < sbn->totpoint; i++) {
if (sbn->bpoint[i].springs)
sbn->bpoint[i].springs = MEM_dupallocN(sbn->bpoint[i].springs);
}
}
if (sb->bspring)
sbn->bspring = MEM_dupallocN(sb->bspring);
}
sbn->keys = NULL;
sbn->totkey = sbn->totpointkey = 0;
sbn->scratch = NULL;
sbn->pointcache = BKE_ptcache_copy_list(&sbn->ptcaches, &sb->ptcaches, copy_caches);
if (sb->effector_weights)
sbn->effector_weights = MEM_dupallocN(sb->effector_weights);
return sbn;
}
BulletSoftBody *copy_bulletsoftbody(BulletSoftBody *bsb)
{
BulletSoftBody *bsbn;
if (bsb == NULL)
return NULL;
bsbn = MEM_dupallocN(bsb);
/* no pointer in this structure yet */
return bsbn;
}
static ParticleSystem *copy_particlesystem(ParticleSystem *psys)
{
ParticleSystem *psysn;
ParticleData *pa;
int p;
psysn = MEM_dupallocN(psys);
psysn->particles = MEM_dupallocN(psys->particles);
psysn->child = MEM_dupallocN(psys->child);
if (psys->part->type == PART_HAIR) {
for (p = 0, pa = psysn->particles; p < psysn->totpart; p++, pa++)
pa->hair = MEM_dupallocN(pa->hair);
}
if (psysn->particles && (psysn->particles->keys || psysn->particles->boid)) {
ParticleKey *key = psysn->particles->keys;
BoidParticle *boid = psysn->particles->boid;
if (key)
key = MEM_dupallocN(key);
if (boid)
boid = MEM_dupallocN(boid);
for (p = 0, pa = psysn->particles; p < psysn->totpart; p++, pa++) {
if (boid)
pa->boid = boid++;
if (key) {
pa->keys = key;
key += pa->totkey;
}
}
}
if (psys->clmd) {
psysn->clmd = (ClothModifierData *)modifier_new(eModifierType_Cloth);
modifier_copyData((ModifierData *)psys->clmd, (ModifierData *)psysn->clmd);
psys->hair_in_dm = psys->hair_out_dm = NULL;
}
BLI_duplicatelist(&psysn->targets, &psys->targets);
psysn->pathcache = NULL;
psysn->childcache = NULL;
psysn->edit = NULL;
psysn->pdd = NULL;
psysn->effectors = NULL;
psysn->tree = NULL;
psysn->bvhtree = NULL;
BLI_listbase_clear(&psysn->pathcachebufs);
BLI_listbase_clear(&psysn->childcachebufs);
psysn->renderdata = NULL;
psysn->pointcache = BKE_ptcache_copy_list(&psysn->ptcaches, &psys->ptcaches, FALSE);
/* XXX - from reading existing code this seems correct but intended usage of
* pointcache should /w cloth should be added in 'ParticleSystem' - campbell */
if (psysn->clmd) {
psysn->clmd->point_cache = psysn->pointcache;
}
id_us_plus((ID *)psysn->part);
return psysn;
}
void BKE_object_copy_particlesystems(Object *obn, Object *ob)
{
ParticleSystem *psys, *npsys;
ModifierData *md;
if (obn->type != OB_MESH) {
/* currently only mesh objects can have soft body */
return;
}
BLI_listbase_clear(&obn->particlesystem);
for (psys = ob->particlesystem.first; psys; psys = psys->next) {
npsys = copy_particlesystem(psys);
BLI_addtail(&obn->particlesystem, npsys);
/* need to update particle modifiers too */
for (md = obn->modifiers.first; md; md = md->next) {
if (md->type == eModifierType_ParticleSystem) {
ParticleSystemModifierData *psmd = (ParticleSystemModifierData *)md;
if (psmd->psys == psys)
psmd->psys = npsys;
}
else if (md->type == eModifierType_DynamicPaint) {
DynamicPaintModifierData *pmd = (DynamicPaintModifierData *)md;
if (pmd->brush) {
if (pmd->brush->psys == psys) {
pmd->brush->psys = npsys;
}
}
}
else if (md->type == eModifierType_Smoke) {
SmokeModifierData *smd = (SmokeModifierData *) md;
if (smd->type == MOD_SMOKE_TYPE_FLOW) {
if (smd->flow) {
if (smd->flow->psys == psys)
smd->flow->psys = npsys;
}
}
}
}
}
}
void BKE_object_copy_softbody(Object *obn, Object *ob)
{
if (ob->soft)
obn->soft = copy_softbody(ob->soft, FALSE);
}
static void copy_object_pose(Object *obn, Object *ob)
{
bPoseChannel *chan;
/* note: need to clear obn->pose pointer first, so that BKE_pose_copy_data works (otherwise there's a crash) */
obn->pose = NULL;
BKE_pose_copy_data(&obn->pose, ob->pose, 1); /* 1 = copy constraints */
for (chan = obn->pose->chanbase.first; chan; chan = chan->next) {
bConstraint *con;
chan->flag &= ~(POSE_LOC | POSE_ROT | POSE_SIZE);
if (chan->custom) {
id_us_plus(&chan->custom->id);
}
for (con = chan->constraints.first; con; con = con->next) {
bConstraintTypeInfo *cti = BKE_constraint_get_typeinfo(con);
ListBase targets = {NULL, NULL};
bConstraintTarget *ct;
if (cti && cti->get_constraint_targets) {
cti->get_constraint_targets(con, &targets);
for (ct = targets.first; ct; ct = ct->next) {
if (ct->tar == ob)
ct->tar = obn;
}
if (cti->flush_constraint_targets)
cti->flush_constraint_targets(con, &targets, 0);
}
}
}
}
static void copy_object_lod(Object *obn, Object *ob)
{
BLI_duplicatelist(&obn->lodlevels, &ob->lodlevels);
if (obn->lodlevels.first)
((LodLevel *)obn->lodlevels.first)->source = obn;
obn->currentlod = (LodLevel *)obn->lodlevels.first;
}
bool BKE_object_pose_context_check(Object *ob)
{
if ((ob) &&
(ob->type == OB_ARMATURE) &&
(ob->pose) &&
(ob->mode & OB_MODE_POSE))
{
return 1;
}
else {
return 0;
}
}
Object *BKE_object_pose_armature_get(Object *ob)
{
if (ob == NULL)
return NULL;
if (BKE_object_pose_context_check(ob))
return ob;
ob = modifiers_isDeformedByArmature(ob);
if (BKE_object_pose_context_check(ob))
return ob;
return NULL;
}
void BKE_object_transform_copy(Object *ob_tar, const Object *ob_src)
{
copy_v3_v3(ob_tar->loc, ob_src->loc);
copy_v3_v3(ob_tar->rot, ob_src->rot);
copy_v3_v3(ob_tar->quat, ob_src->quat);
copy_v3_v3(ob_tar->rotAxis, ob_src->rotAxis);
ob_tar->rotAngle = ob_src->rotAngle;
ob_tar->rotmode = ob_src->rotmode;
copy_v3_v3(ob_tar->size, ob_src->size);
}
Object *BKE_object_copy_ex(Main *bmain, Object *ob, int copy_caches)
{
Object *obn;
ModifierData *md;
int a;
obn = BKE_libblock_copy_ex(bmain, &ob->id);
if (ob->totcol) {
obn->mat = MEM_dupallocN(ob->mat);
obn->matbits = MEM_dupallocN(ob->matbits);
obn->totcol = ob->totcol;
}
if (ob->iuser) obn->iuser = MEM_dupallocN(ob->iuser);
if (ob->bb) obn->bb = MEM_dupallocN(ob->bb);
obn->flag &= ~OB_FROMGROUP;
BLI_listbase_clear(&obn->modifiers);
for (md = ob->modifiers.first; md; md = md->next) {
ModifierData *nmd = modifier_new(md->type);
BLI_strncpy(nmd->name, md->name, sizeof(nmd->name));
modifier_copyData(md, nmd);
BLI_addtail(&obn->modifiers, nmd);
}
BLI_listbase_clear(&obn->prop);
BKE_bproperty_copy_list(&obn->prop, &ob->prop);
copy_sensors(&obn->sensors, &ob->sensors);
copy_controllers(&obn->controllers, &ob->controllers);
copy_actuators(&obn->actuators, &ob->actuators);
if (ob->pose) {
copy_object_pose(obn, ob);
/* backwards compat... non-armatures can get poses in older files? */
if (ob->type == OB_ARMATURE)
BKE_pose_rebuild(obn, obn->data);
}
defgroup_copy_list(&obn->defbase, &ob->defbase);
BKE_copy_constraints(&obn->constraints, &ob->constraints, TRUE);
obn->mode = 0;
obn->sculpt = NULL;
/* increase user numbers */
id_us_plus((ID *)obn->data);
id_us_plus((ID *)obn->gpd);
id_lib_extern((ID *)obn->dup_group);
for (a = 0; a < obn->totcol; a++) id_us_plus((ID *)obn->mat[a]);
if (ob->pd) {
obn->pd = MEM_dupallocN(ob->pd);
if (obn->pd->tex)
id_us_plus(&(obn->pd->tex->id));
if (obn->pd->rng)
obn->pd->rng = MEM_dupallocN(ob->pd->rng);
}
obn->soft = copy_softbody(ob->soft, copy_caches);
obn->bsoft = copy_bulletsoftbody(ob->bsoft);
obn->rigidbody_object = BKE_rigidbody_copy_object(ob);
obn->rigidbody_constraint = BKE_rigidbody_copy_constraint(ob);
BKE_object_copy_particlesystems(obn, ob);
obn->derivedDeform = NULL;
obn->derivedFinal = NULL;
BLI_listbase_clear(&obn->gpulamp);
BLI_listbase_clear(&obn->pc_ids);
obn->mpath = NULL;
copy_object_lod(obn, ob);
/* Copy runtime surve data. */
obn->curve_cache = NULL;
return obn;
}
/* copy objects, will re-initialize cached simulation data */
Object *BKE_object_copy(Object *ob)
{
return BKE_object_copy_ex(G.main, ob, FALSE);
}
static void extern_local_object(Object *ob)
{
ParticleSystem *psys;
id_lib_extern((ID *)ob->data);
id_lib_extern((ID *)ob->dup_group);
id_lib_extern((ID *)ob->poselib);
id_lib_extern((ID *)ob->gpd);
extern_local_matarar(ob->mat, ob->totcol);
for (psys = ob->particlesystem.first; psys; psys = psys->next)
id_lib_extern((ID *)psys->part);
}
void BKE_object_make_local(Object *ob)
{
Main *bmain = G.main;
Scene *sce;
Base *base;
int is_local = FALSE, is_lib = FALSE;
/* - only lib users: do nothing
* - only local users: set flag
* - mixed: make copy
*/
if (ob->id.lib == NULL) return;
ob->proxy = ob->proxy_from = NULL;
if (ob->id.us == 1) {
id_clear_lib_data(bmain, &ob->id);
extern_local_object(ob);
}
else {
for (sce = bmain->scene.first; sce && ELEM(0, is_lib, is_local); sce = sce->id.next) {
if (BKE_scene_base_find(sce, ob)) {
if (sce->id.lib) is_lib = TRUE;
else is_local = TRUE;
}
}
if (is_local && is_lib == FALSE) {
id_clear_lib_data(bmain, &ob->id);
extern_local_object(ob);
}
else if (is_local && is_lib) {
Object *ob_new = BKE_object_copy(ob);
ob_new->id.us = 0;
/* Remap paths of new ID using old library as base. */
BKE_id_lib_local_paths(bmain, ob->id.lib, &ob_new->id);
sce = bmain->scene.first;
while (sce) {
if (sce->id.lib == NULL) {
base = sce->base.first;
while (base) {
if (base->object == ob) {
base->object = ob_new;
ob_new->id.us++;
ob->id.us--;
}
base = base->next;
}
}
sce = sce->id.next;
}
}
}
}
/*
* Returns true if the Object is a from an external blend file (libdata)
*/
bool BKE_object_is_libdata(Object *ob)
{
if (!ob) return false;
if (ob->proxy) return false;
if (ob->id.lib) return true;
return false;
}
/* Returns true if the Object data is a from an external blend file (libdata) */
bool BKE_object_obdata_is_libdata(Object *ob)
{
if (!ob) return false;
if (ob->proxy && (ob->data == NULL || ((ID *)ob->data)->lib == NULL)) return false;
if (ob->id.lib) return true;
if (ob->data == NULL) return false;
if (((ID *)ob->data)->lib) return true;
return false;
}
/* *************** PROXY **************** */
/* when you make proxy, ensure the exposed layers are extern */
static void armature_set_id_extern(Object *ob)
{
bArmature *arm = ob->data;
bPoseChannel *pchan;
unsigned int lay = arm->layer_protected;
for (pchan = ob->pose->chanbase.first; pchan; pchan = pchan->next) {
if (!(pchan->bone->layer & lay))
id_lib_extern((ID *)pchan->custom);
}
}
void BKE_object_copy_proxy_drivers(Object *ob, Object *target)
{
if ((target->adt) && (target->adt->drivers.first)) {
FCurve *fcu;
/* add new animdata block */
if (!ob->adt)
ob->adt = BKE_id_add_animdata(&ob->id);
/* make a copy of all the drivers (for now), then correct any links that need fixing */
free_fcurves(&ob->adt->drivers);
copy_fcurves(&ob->adt->drivers, &target->adt->drivers);
for (fcu = ob->adt->drivers.first; fcu; fcu = fcu->next) {
ChannelDriver *driver = fcu->driver;
DriverVar *dvar;
for (dvar = driver->variables.first; dvar; dvar = dvar->next) {
/* all drivers */
DRIVER_TARGETS_LOOPER(dvar)
{
if (dtar->id) {
if ((Object *)dtar->id == target)
dtar->id = (ID *)ob;
else {
/* only on local objects because this causes indirect links
* 'a -> b -> c', blend to point directly to a.blend
* when a.blend has a proxy thats linked into c.blend */
if (ob->id.lib == NULL)
id_lib_extern((ID *)dtar->id);
}
}
}
DRIVER_TARGETS_LOOPER_END
}
}
}
}
/* proxy rule: lib_object->proxy_from == the one we borrow from, set temporally while object_update */
/* local_object->proxy == pointer to library object, saved in files and read */
/* local_object->proxy_group == pointer to group dupli-object, saved in files and read */
void BKE_object_make_proxy(Object *ob, Object *target, Object *gob)
{
/* paranoia checks */
if (ob->id.lib || target->id.lib == NULL) {
printf("cannot make proxy\n");
return;
}
ob->proxy = target;
ob->proxy_group = gob;
id_lib_extern(&target->id);
DAG_id_tag_update(&ob->id, OB_RECALC_OB | OB_RECALC_DATA | OB_RECALC_TIME);
DAG_id_tag_update(&target->id, OB_RECALC_OB | OB_RECALC_DATA | OB_RECALC_TIME);
/* copy transform
* - gob means this proxy comes from a group, just apply the matrix
* so the object wont move from its dupli-transform.
*
* - no gob means this is being made from a linked object,
* this is closer to making a copy of the object - in-place. */
if (gob) {
ob->rotmode = target->rotmode;
mul_m4_m4m4(ob->obmat, gob->obmat, target->obmat);
if (gob->dup_group) { /* should always be true */
float tvec[3];
copy_v3_v3(tvec, gob->dup_group->dupli_ofs);
mul_mat3_m4_v3(ob->obmat, tvec);
sub_v3_v3(ob->obmat[3], tvec);
}
BKE_object_apply_mat4(ob, ob->obmat, FALSE, TRUE);
}
else {
BKE_object_transform_copy(ob, target);
ob->parent = target->parent; /* libdata */
copy_m4_m4(ob->parentinv, target->parentinv);
}
/* copy animdata stuff - drivers only for now... */
BKE_object_copy_proxy_drivers(ob, target);
/* skip constraints? */
/* FIXME: this is considered by many as a bug */
/* set object type and link to data */
ob->type = target->type;
ob->data = target->data;
id_us_plus((ID *)ob->data); /* ensures lib data becomes LIB_EXTERN */
/* copy material and index information */
ob->actcol = ob->totcol = 0;
if (ob->mat) MEM_freeN(ob->mat);
if (ob->matbits) MEM_freeN(ob->matbits);
ob->mat = NULL;
ob->matbits = NULL;
if ((target->totcol) && (target->mat) && OB_TYPE_SUPPORT_MATERIAL(ob->type)) {
int i;
ob->actcol = target->actcol;
ob->totcol = target->totcol;
ob->mat = MEM_dupallocN(target->mat);
ob->matbits = MEM_dupallocN(target->matbits);
for (i = 0; i < target->totcol; i++) {
/* don't need to run test_object_materials since we know this object is new and not used elsewhere */
id_us_plus((ID *)ob->mat[i]);
}
}
/* type conversions */
if (target->type == OB_ARMATURE) {
copy_object_pose(ob, target); /* data copy, object pointers in constraints */
BKE_pose_rest(ob->pose); /* clear all transforms in channels */
BKE_pose_rebuild(ob, ob->data); /* set all internal links */
armature_set_id_extern(ob);
}
else if (target->type == OB_EMPTY) {
ob->empty_drawtype = target->empty_drawtype;
ob->empty_drawsize = target->empty_drawsize;
}
/* copy IDProperties */
if (ob->id.properties) {
IDP_FreeProperty(ob->id.properties);
MEM_freeN(ob->id.properties);
ob->id.properties = NULL;
}
if (target->id.properties) {
ob->id.properties = IDP_CopyProperty(target->id.properties);
}
/* copy drawtype info */
ob->dt = target->dt;
}
/* *************** CALC ****************** */
void BKE_object_scale_to_mat3(Object *ob, float mat[3][3])
{
float vec[3];
mul_v3_v3v3(vec, ob->size, ob->dscale);
size_to_mat3(mat, vec);
}
void BKE_object_rot_to_mat3(Object *ob, float mat[3][3], bool use_drot)
{
float rmat[3][3], dmat[3][3];
/* 'dmat' is the delta-rotation matrix, which will get (pre)multiplied
* with the rotation matrix to yield the appropriate rotation
*/
/* rotations may either be quats, eulers (with various rotation orders), or axis-angle */
if (ob->rotmode > 0) {
/* euler rotations (will cause gimble lock, but this can be alleviated a bit with rotation orders) */
eulO_to_mat3(rmat, ob->rot, ob->rotmode);
eulO_to_mat3(dmat, ob->drot, ob->rotmode);
}
else if (ob->rotmode == ROT_MODE_AXISANGLE) {
/* axis-angle - not really that great for 3D-changing orientations */
axis_angle_to_mat3(rmat, ob->rotAxis, ob->rotAngle);
axis_angle_to_mat3(dmat, ob->drotAxis, ob->drotAngle);
}
else {
/* quats are normalized before use to eliminate scaling issues */
float tquat[4];
normalize_qt_qt(tquat, ob->quat);
quat_to_mat3(rmat, tquat);
normalize_qt_qt(tquat, ob->dquat);
quat_to_mat3(dmat, tquat);
}
/* combine these rotations */
if (use_drot)
mul_m3_m3m3(mat, dmat, rmat);
else
copy_m3_m3(mat, rmat);
}
void BKE_object_mat3_to_rot(Object *ob, float mat[3][3], bool use_compat)
{
switch (ob->rotmode) {
case ROT_MODE_QUAT:
{
float dquat[4];
mat3_to_quat(ob->quat, mat);
normalize_qt_qt(dquat, ob->dquat);
invert_qt(dquat);
mul_qt_qtqt(ob->quat, dquat, ob->quat);
break;
}
case ROT_MODE_AXISANGLE:
{
mat3_to_axis_angle(ob->rotAxis, &ob->rotAngle, mat);
sub_v3_v3(ob->rotAxis, ob->drotAxis);
ob->rotAngle -= ob->drotAngle;
break;
}
default: /* euler */
{
float quat[4];
float dquat[4];
float tmat[3][3];
/* without drot we could apply 'mat' directly */
mat3_to_quat(quat, mat);
eulO_to_quat(dquat, ob->drot, ob->rotmode);
invert_qt(dquat);
mul_qt_qtqt(quat, dquat, quat);
quat_to_mat3(tmat, quat);
/* end drot correction */
if (use_compat) mat3_to_compatible_eulO(ob->rot, ob->rot, ob->rotmode, tmat);
else mat3_to_eulO(ob->rot, ob->rotmode, tmat);
break;
}
}
}
void BKE_object_tfm_protected_backup(const Object *ob,
ObjectTfmProtectedChannels *obtfm)
{
#define TFMCPY(_v) (obtfm->_v = ob->_v)
#define TFMCPY3D(_v) copy_v3_v3(obtfm->_v, ob->_v)
#define TFMCPY4D(_v) copy_v4_v4(obtfm->_v, ob->_v)
TFMCPY3D(loc);
TFMCPY3D(dloc);
TFMCPY3D(size);
TFMCPY3D(dscale);
TFMCPY3D(rot);
TFMCPY3D(drot);
TFMCPY4D(quat);
TFMCPY4D(dquat);
TFMCPY3D(rotAxis);
TFMCPY3D(drotAxis);
TFMCPY(rotAngle);
TFMCPY(drotAngle);
#undef TFMCPY
#undef TFMCPY3D
#undef TFMCPY4D
}
void BKE_object_tfm_protected_restore(Object *ob,
const ObjectTfmProtectedChannels *obtfm,
const short protectflag)
{
unsigned int i;
for (i = 0; i < 3; i++) {
if (protectflag & (OB_LOCK_LOCX << i)) {
ob->loc[i] = obtfm->loc[i];
ob->dloc[i] = obtfm->dloc[i];
}
if (protectflag & (OB_LOCK_SCALEX << i)) {
ob->size[i] = obtfm->size[i];
ob->dscale[i] = obtfm->dscale[i];
}
if (protectflag & (OB_LOCK_ROTX << i)) {
ob->rot[i] = obtfm->rot[i];
ob->drot[i] = obtfm->drot[i];
ob->quat[i + 1] = obtfm->quat[i + 1];
ob->dquat[i + 1] = obtfm->dquat[i + 1];
ob->rotAxis[i] = obtfm->rotAxis[i];
ob->drotAxis[i] = obtfm->drotAxis[i];
}
}
if ((protectflag & OB_LOCK_ROT4D) && (protectflag & OB_LOCK_ROTW)) {
ob->quat[0] = obtfm->quat[0];
ob->dquat[0] = obtfm->dquat[0];
ob->rotAngle = obtfm->rotAngle;
ob->drotAngle = obtfm->drotAngle;
}
}
void BKE_object_to_mat3(Object *ob, float mat[3][3]) /* no parent */
{
float smat[3][3];
float rmat[3][3];
/*float q1[4];*/
/* size */
BKE_object_scale_to_mat3(ob, smat);
/* rot */
BKE_object_rot_to_mat3(ob, rmat, TRUE);
mul_m3_m3m3(mat, rmat, smat);
}
void BKE_object_to_mat4(Object *ob, float mat[4][4])
{
float tmat[3][3];
BKE_object_to_mat3(ob, tmat);
copy_m4_m3(mat, tmat);
add_v3_v3v3(mat[3], ob->loc, ob->dloc);
}
void BKE_object_matrix_local_get(struct Object *ob, float mat[4][4])
{
if (ob->parent) {
float invmat[4][4]; /* for inverse of parent's matrix */
invert_m4_m4(invmat, ob->parent->obmat);
mul_m4_m4m4(mat, invmat, ob->obmat);
}
else {
copy_m4_m4(mat, ob->obmat);
}
}
/* extern */
int enable_cu_speed = 1;
static void ob_parcurve(Scene *scene, Object *ob, Object *par, float mat[4][4])
{
Curve *cu;
float vec[4], dir[3], quat[4], radius, ctime;
unit_m4(mat);
cu = par->data;
if (ELEM3(NULL, par->curve_cache, par->curve_cache->path, par->curve_cache->path->data)) /* only happens on reload file, but violates depsgraph still... fix! */
BKE_displist_make_curveTypes(scene, par, 0);
if (par->curve_cache->path == NULL) return;
/* catch exceptions: feature for nla stride editing */
if (ob->ipoflag & OB_DISABLE_PATH) {
ctime = 0.0f;
}
/* catch exceptions: curve paths used as a duplicator */
else if (enable_cu_speed) {
/* ctime is now a proper var setting of Curve which gets set by Animato like any other var that's animated,
* but this will only work if it actually is animated...
*
* we divide the curvetime calculated in the previous step by the length of the path, to get a time
* factor, which then gets clamped to lie within 0.0 - 1.0 range
*/
if (IS_EQF(cu->pathlen, 0.0f) == 0)
ctime = cu->ctime / cu->pathlen;
else
ctime = cu->ctime;
CLAMP(ctime, 0.0f, 1.0f);
}
else {
ctime = BKE_scene_frame_get(scene);
if (IS_EQF(cu->pathlen, 0.0f) == 0)
ctime /= cu->pathlen;
CLAMP(ctime, 0.0f, 1.0f);
}
/* vec: 4 items! */
if (where_on_path(par, ctime, vec, dir, cu->flag & CU_FOLLOW ? quat : NULL, &radius, NULL)) {
if (cu->flag & CU_FOLLOW) {
#if 0
float si, q[4];
vec_to_quat(quat, dir, ob->trackflag, ob->upflag);
/* the tilt */
normalize_v3(dir);
q[0] = cosf(0.5 * vec[3]);
si = sinf(0.5 * vec[3]);
q[1] = -si * dir[0];
q[2] = -si * dir[1];
q[3] = -si * dir[2];
mul_qt_qtqt(quat, q, quat);
#else
quat_apply_track(quat, ob->trackflag, ob->upflag);
#endif
normalize_qt(quat);
quat_to_mat4(mat, quat);
}
if (cu->flag & CU_PATH_RADIUS) {
float tmat[4][4], rmat[4][4];
scale_m4_fl(tmat, radius);
mul_m4_m4m4(rmat, tmat, mat);
copy_m4_m4(mat, rmat);
}
copy_v3_v3(mat[3], vec);
}
}
static void ob_parbone(Object *ob, Object *par, float mat[4][4])
{
bPoseChannel *pchan;
float vec[3];
if (par->type != OB_ARMATURE) {
unit_m4(mat);
return;
}
/* Make sure the bone is still valid */
pchan = BKE_pose_channel_find_name(par->pose, ob->parsubstr);
if (!pchan || !pchan->bone) {
printf("Object %s with Bone parent: bone %s doesn't exist\n", ob->id.name + 2, ob->parsubstr);
unit_m4(mat);
return;
}
/* get bone transform */
if (pchan->bone->flag & BONE_RELATIVE_PARENTING) {
/* the new option uses the root - expected bahaviour, but differs from old... */
/* XXX check on version patching? */
copy_m4_m4(mat, pchan->chan_mat);
}
else {
copy_m4_m4(mat, pchan->pose_mat);
/* but for backwards compatibility, the child has to move to the tail */
copy_v3_v3(vec, mat[1]);
mul_v3_fl(vec, pchan->bone->length);
add_v3_v3(mat[3], vec);
}
}
static void give_parvert(Object *par, int nr, float vec[3])
{
zero_v3(vec);
if (par->type == OB_MESH) {
Mesh *me = par->data;
BMEditMesh *em = me->edit_btmesh;
DerivedMesh *dm;
dm = (em) ? em->derivedFinal : par->derivedFinal;
if (dm) {
int count = 0;
int numVerts = dm->getNumVerts(dm);
if (nr < numVerts) {
/* avoid dm->getVertDataArray() since it allocates arrays in the dm (not thread safe) */
int i;
if (em && dm->type == DM_TYPE_EDITBMESH) {
if (em->bm->elem_table_dirty & BM_VERT) {
#ifdef VPARENT_THREADING_HACK
BLI_mutex_lock(&vparent_lock);
if (em->bm->elem_table_dirty & BM_VERT) {
BM_mesh_elem_table_ensure(em->bm, BM_VERT);
}
BLI_mutex_unlock(&vparent_lock);
#else
BLI_assert(!"Not safe for threading");
BM_mesh_elem_table_ensure(em->bm, BM_VERT);
#endif
}
}
/* get the average of all verts with (original index == nr) */
if (CustomData_has_layer(&dm->vertData, CD_ORIGINDEX)) {
for (i = 0; i < numVerts; i++) {
const int *index = dm->getVertData(dm, i, CD_ORIGINDEX);
if (*index == nr) {
float co[3];
dm->getVertCo(dm, i, co);
add_v3_v3(vec, co);
count++;
}
}
}
else {
if (nr < numVerts) {
float co[3];
dm->getVertCo(dm, nr, co);
add_v3_v3(vec, co);
count++;
}
}
}
if (count == 0) {
/* keep as 0, 0, 0 */
}
else if (count > 0) {
mul_v3_fl(vec, 1.0f / count);
}
else {
/* use first index if its out of range */
dm->getVertCo(dm, 0, vec);
}
}
else {
fprintf(stderr,
"%s: DerivedMesh is needed to solve parenting, "
"object position can be wrong now\n", __func__);
}
}
else if (ELEM(par->type, OB_CURVE, OB_SURF)) {
Curve *cu = par->data;
ListBase *nurb = BKE_curve_nurbs_get(cu);
BKE_nurbList_index_get_co(nurb, nr, vec);
}
else if (par->type == OB_LATTICE) {
Lattice *latt = par->data;
DispList *dl = par->curve_cache ? BKE_displist_find(&par->curve_cache->disp, DL_VERTS) : NULL;
float (*co)[3] = dl ? (float (*)[3])dl->verts : NULL;
int tot;
if (latt->editlatt) latt = latt->editlatt->latt;
tot = latt->pntsu * latt->pntsv * latt->pntsw;
/* ensure dl is correct size */
BLI_assert(dl == NULL || dl->nr == tot);
if (nr < tot) {
if (co) {
copy_v3_v3(vec, co[nr]);
}
else {
copy_v3_v3(vec, latt->def[nr].vec);
}
}
}
}
static void ob_parvert3(Object *ob, Object *par, float mat[4][4])
{
/* in local ob space */
if (OB_TYPE_SUPPORT_PARVERT(par->type)) {
float cmat[3][3], v1[3], v2[3], v3[3], q[4];
give_parvert(par, ob->par1, v1);
give_parvert(par, ob->par2, v2);
give_parvert(par, ob->par3, v3);
tri_to_quat(q, v1, v2, v3);
quat_to_mat3(cmat, q);
copy_m4_m3(mat, cmat);
mid_v3_v3v3v3(mat[3], v1, v2, v3);
}
else {
unit_m4(mat);
}
}
static void ob_get_parent_matrix(Scene *scene, Object *ob, Object *par, float parentmat[4][4])
{
float tmat[4][4];
float vec[3];
int ok;
switch (ob->partype & PARTYPE) {
case PAROBJECT:
ok = 0;
if (par->type == OB_CURVE) {
if (scene && ((Curve *)par->data)->flag & CU_PATH) {
ob_parcurve(scene, ob, par, tmat);
ok = 1;
}
}
if (ok) mul_m4_m4m4(parentmat, par->obmat, tmat);
else copy_m4_m4(parentmat, par->obmat);
break;
case PARBONE:
ob_parbone(ob, par, tmat);
mul_m4_m4m4(parentmat, par->obmat, tmat);
break;
case PARVERT1:
unit_m4(parentmat);
give_parvert(par, ob->par1, vec);
mul_v3_m4v3(parentmat[3], par->obmat, vec);
break;
case PARVERT3:
ob_parvert3(ob, par, tmat);
mul_m4_m4m4(parentmat, par->obmat, tmat);
break;
case PARSKEL:
copy_m4_m4(parentmat, par->obmat);
break;
}
}
/**
* \param r_originmat Optional matrix that stores the space the object is in (without its own matrix applied)
*/
static void solve_parenting(Scene *scene, Object *ob, Object *par, float obmat[4][4], float slowmat[4][4],
float r_originmat[3][3], const bool set_origin)
{
float totmat[4][4];
float tmat[4][4];
float locmat[4][4];
BKE_object_to_mat4(ob, locmat);
if (ob->partype & PARSLOW) copy_m4_m4(slowmat, obmat);
ob_get_parent_matrix(scene, ob, par, totmat);
/* total */
mul_m4_m4m4(tmat, totmat, ob->parentinv);
mul_m4_m4m4(obmat, tmat, locmat);
if (r_originmat) {
/* usable originmat */
copy_m3_m4(r_originmat, tmat);
}
/* origin, for help line */
if (set_origin) {
if ((ob->partype & PARTYPE) == PARSKEL) {
copy_v3_v3(ob->orig, par->obmat[3]);
}
else {
copy_v3_v3(ob->orig, totmat[3]);
}
}
}
static bool where_is_object_parslow(Object *ob, float obmat[4][4], float slowmat[4][4])
{
float *fp1, *fp2;
float fac1, fac2;
int a;
/* include framerate */
fac1 = (1.0f / (1.0f + fabsf(ob->sf)) );
if (fac1 >= 1.0f) return 0;
fac2 = 1.0f - fac1;
fp1 = obmat[0];
fp2 = slowmat[0];
for (a = 0; a < 16; a++, fp1++, fp2++) {
fp1[0] = fac1 * fp1[0] + fac2 * fp2[0];
}
return 1;
}
/* note, scene is the active scene while actual_scene is the scene the object resides in */
void BKE_object_where_is_calc_time_ex(Scene *scene, Object *ob, float ctime,
RigidBodyWorld *rbw, float r_originmat[3][3])
{
if (ob == NULL) return;
/* execute drivers only, as animation has already been done */
BKE_animsys_evaluate_animdata(scene, &ob->id, ob->adt, ctime, ADT_RECALC_DRIVERS);
if (ob->parent) {
Object *par = ob->parent;
float slowmat[4][4] = MAT4_UNITY;
/* calculate parent matrix */
solve_parenting(scene, ob, par, ob->obmat, slowmat, r_originmat, true);
/* "slow parent" is definitely not threadsafe, and may also give bad results jumping around
* An old-fashioned hack which probably doesn't really cut it anymore
*/
if (ob->partype & PARSLOW) {
if (!where_is_object_parslow(ob, ob->obmat, slowmat))
return;
}
}
else {
BKE_object_to_mat4(ob, ob->obmat);
}
/* try to fall back to the scene rigid body world if none given */
rbw = rbw ? rbw : scene->rigidbody_world;
/* read values pushed into RBO from sim/cache... */
BKE_rigidbody_sync_transforms(rbw, ob, ctime);
/* solve constraints */
if (ob->constraints.first && !(ob->transflag & OB_NO_CONSTRAINTS)) {
bConstraintOb *cob;
cob = BKE_constraints_make_evalob(scene, ob, NULL, CONSTRAINT_OBTYPE_OBJECT);
BKE_solve_constraints(&ob->constraints, cob, ctime);
BKE_constraints_clear_evalob(cob);
}
/* set negative scale flag in object */
if (is_negative_m4(ob->obmat)) ob->transflag |= OB_NEG_SCALE;
else ob->transflag &= ~OB_NEG_SCALE;
}
void BKE_object_where_is_calc_time(Scene *scene, Object *ob, float ctime)
{
BKE_object_where_is_calc_time_ex(scene, ob, ctime, NULL, NULL);
}
/* get object transformation matrix without recalculating dependencies and
* constraints -- assume dependencies are already solved by depsgraph.
* no changes to object and it's parent would be done.
* used for bundles orientation in 3d space relative to parented blender camera */
void BKE_object_where_is_calc_mat4(Scene *scene, Object *ob, float obmat[4][4])
{
float slowmat[4][4] = MAT4_UNITY;
if (ob->parent) {
Object *par = ob->parent;
solve_parenting(scene, ob, par, obmat, slowmat, NULL, false);
if (ob->partype & PARSLOW)
where_is_object_parslow(ob, obmat, slowmat);
}
else {
BKE_object_to_mat4(ob, obmat);
}
}
void BKE_object_where_is_calc_ex(Scene *scene, RigidBodyWorld *rbw, Object *ob, float r_originmat[3][3])
{
BKE_object_where_is_calc_time_ex(scene, ob, BKE_scene_frame_get(scene), rbw, r_originmat);
}
void BKE_object_where_is_calc(Scene *scene, Object *ob)
{
BKE_object_where_is_calc_time_ex(scene, ob, BKE_scene_frame_get(scene), NULL, NULL);
}
/* for calculation of the inverse parent transform, only used for editor */
void BKE_object_workob_calc_parent(Scene *scene, Object *ob, Object *workob)
{
BKE_object_workob_clear(workob);
unit_m4(workob->obmat);
unit_m4(workob->parentinv);
unit_m4(workob->constinv);
workob->parent = ob->parent;
workob->trackflag = ob->trackflag;
workob->upflag = ob->upflag;
workob->partype = ob->partype;
workob->par1 = ob->par1;
workob->par2 = ob->par2;
workob->par3 = ob->par3;
workob->constraints.first = ob->constraints.first;
workob->constraints.last = ob->constraints.last;
BLI_strncpy(workob->parsubstr, ob->parsubstr, sizeof(workob->parsubstr));
BKE_object_where_is_calc(scene, workob);
}
/* see BKE_pchan_apply_mat4() for the equivalent 'pchan' function */
void BKE_object_apply_mat4(Object *ob, float mat[4][4], const bool use_compat, const bool use_parent)
{
float rot[3][3];
if (use_parent && ob->parent) {
float rmat[4][4], diff_mat[4][4], imat[4][4], parent_mat[4][4];
ob_get_parent_matrix(NULL, ob, ob->parent, parent_mat);
mul_m4_m4m4(diff_mat, parent_mat, ob->parentinv);
invert_m4_m4(imat, diff_mat);
mul_m4_m4m4(rmat, imat, mat); /* get the parent relative matrix */
BKE_object_apply_mat4(ob, rmat, use_compat, FALSE);
/* same as below, use rmat rather than mat */
mat4_to_loc_rot_size(ob->loc, rot, ob->size, rmat);
BKE_object_mat3_to_rot(ob, rot, use_compat);
}
else {
mat4_to_loc_rot_size(ob->loc, rot, ob->size, mat);
BKE_object_mat3_to_rot(ob, rot, use_compat);
}
sub_v3_v3(ob->loc, ob->dloc);
if (ob->dscale[0] != 0.0f) ob->size[0] /= ob->dscale[0];
if (ob->dscale[1] != 0.0f) ob->size[1] /= ob->dscale[1];
if (ob->dscale[2] != 0.0f) ob->size[2] /= ob->dscale[2];
/* BKE_object_mat3_to_rot handles delta rotations */
}
BoundBox *BKE_boundbox_alloc_unit(void)
{
BoundBox *bb;
const float min[3] = {-1.0f, -1.0f, -1.0f}, max[3] = {-1.0f, -1.0f, -1.0f};
bb = MEM_callocN(sizeof(BoundBox), "OB-BoundBox");
BKE_boundbox_init_from_minmax(bb, min, max);
return bb;
}
void BKE_boundbox_init_from_minmax(BoundBox *bb, const float min[3], const float max[3])
{
bb->vec[0][0] = bb->vec[1][0] = bb->vec[2][0] = bb->vec[3][0] = min[0];
bb->vec[4][0] = bb->vec[5][0] = bb->vec[6][0] = bb->vec[7][0] = max[0];
bb->vec[0][1] = bb->vec[1][1] = bb->vec[4][1] = bb->vec[5][1] = min[1];
bb->vec[2][1] = bb->vec[3][1] = bb->vec[6][1] = bb->vec[7][1] = max[1];
bb->vec[0][2] = bb->vec[3][2] = bb->vec[4][2] = bb->vec[7][2] = min[2];
bb->vec[1][2] = bb->vec[2][2] = bb->vec[5][2] = bb->vec[6][2] = max[2];
}
BoundBox *BKE_object_boundbox_get(Object *ob)
{
BoundBox *bb = NULL;
if (ob->type == OB_MESH) {
bb = BKE_mesh_boundbox_get(ob);
}
else if (ELEM3(ob->type, OB_CURVE, OB_SURF, OB_FONT)) {
bb = BKE_curve_boundbox_get(ob);
}
else if (ob->type == OB_MBALL) {
bb = ob->bb;
}
return bb;
}
/* used to temporally disable/enable boundbox */
void BKE_object_boundbox_flag(Object *ob, int flag, int set)
{
BoundBox *bb = BKE_object_boundbox_get(ob);
if (bb) {
if (set) bb->flag |= flag;
else bb->flag &= ~flag;
}
}
void BKE_object_dimensions_get(Object *ob, float vec[3])
{
BoundBox *bb = NULL;
bb = BKE_object_boundbox_get(ob);
if (bb) {
float scale[3];
mat4_to_size(scale, ob->obmat);
vec[0] = fabsf(scale[0]) * (bb->vec[4][0] - bb->vec[0][0]);
vec[1] = fabsf(scale[1]) * (bb->vec[2][1] - bb->vec[0][1]);
vec[2] = fabsf(scale[2]) * (bb->vec[1][2] - bb->vec[0][2]);
}
else {
zero_v3(vec);
}
}
void BKE_object_dimensions_set(Object *ob, const float value[3])
{
BoundBox *bb = NULL;
bb = BKE_object_boundbox_get(ob);
if (bb) {
float scale[3], len[3];
mat4_to_size(scale, ob->obmat);
len[0] = bb->vec[4][0] - bb->vec[0][0];
len[1] = bb->vec[2][1] - bb->vec[0][1];
len[2] = bb->vec[1][2] - bb->vec[0][2];
if (len[0] > 0.f) ob->size[0] = value[0] / len[0];
if (len[1] > 0.f) ob->size[1] = value[1] / len[1];
if (len[2] > 0.f) ob->size[2] = value[2] / len[2];
}
}
void BKE_object_minmax(Object *ob, float min_r[3], float max_r[3], const bool use_hidden)
{
BoundBox bb;
float vec[3];
int a;
bool changed = false;
switch (ob->type) {
case OB_CURVE:
case OB_FONT:
case OB_SURF:
{
bb = *BKE_curve_boundbox_get(ob);
for (a = 0; a < 8; a++) {
mul_m4_v3(ob->obmat, bb.vec[a]);
minmax_v3v3_v3(min_r, max_r, bb.vec[a]);
}
changed = true;
break;
}
case OB_LATTICE:
{
Lattice *lt = ob->data;
BPoint *bp = lt->def;
int u, v, w;
for (w = 0; w < lt->pntsw; w++) {
for (v = 0; v < lt->pntsv; v++) {
for (u = 0; u < lt->pntsu; u++, bp++) {
mul_v3_m4v3(vec, ob->obmat, bp->vec);
minmax_v3v3_v3(min_r, max_r, vec);
}
}
}
changed = true;
break;
}
case OB_ARMATURE:
{
if (ob->pose) {
bArmature *arm = ob->data;
bPoseChannel *pchan;
for (pchan = ob->pose->chanbase.first; pchan; pchan = pchan->next) {
/* XXX pchan->bone may be NULL for duplicated bones, see duplicateEditBoneObjects() comment
* (editarmature.c:2592)... Skip in this case too! */
if (pchan->bone && !((use_hidden == FALSE) && (PBONE_VISIBLE(arm, pchan->bone) == FALSE))) {
mul_v3_m4v3(vec, ob->obmat, pchan->pose_head);
minmax_v3v3_v3(min_r, max_r, vec);
mul_v3_m4v3(vec, ob->obmat, pchan->pose_tail);
minmax_v3v3_v3(min_r, max_r, vec);
changed = true;
}
}
}
break;
}
case OB_MESH:
{
Mesh *me = BKE_mesh_from_object(ob);
if (me) {
bb = *BKE_mesh_boundbox_get(ob);
for (a = 0; a < 8; a++) {
mul_m4_v3(ob->obmat, bb.vec[a]);
minmax_v3v3_v3(min_r, max_r, bb.vec[a]);
}
changed = true;
}
break;
}
case OB_MBALL:
{
float ob_min[3], ob_max[3];
changed = BKE_mball_minmax_ex(ob->data, ob_min, ob_max, ob->obmat, 0);
if (changed) {
minmax_v3v3_v3(min_r, max_r, ob_min);
minmax_v3v3_v3(min_r, max_r, ob_max);
}
break;
}
}
if (changed == false) {
float size[3];
copy_v3_v3(size, ob->size);
if (ob->type == OB_EMPTY) {
mul_v3_fl(size, ob->empty_drawsize);
}
minmax_v3v3_v3(min_r, max_r, ob->obmat[3]);
copy_v3_v3(vec, ob->obmat[3]);
add_v3_v3(vec, size);
minmax_v3v3_v3(min_r, max_r, vec);
copy_v3_v3(vec, ob->obmat[3]);
sub_v3_v3(vec, size);
minmax_v3v3_v3(min_r, max_r, vec);
}
}
void BKE_object_empty_draw_type_set(Object *ob, const int value)
{
ob->empty_drawtype = value;
if (ob->type == OB_EMPTY && ob->empty_drawtype == OB_EMPTY_IMAGE) {
if (!ob->iuser) {
ob->iuser = MEM_callocN(sizeof(ImageUser), "image user");
ob->iuser->ok = 1;
ob->iuser->frames = 100;
ob->iuser->sfra = 1;
ob->iuser->fie_ima = 2;
}
}
else {
if (ob->iuser) {
MEM_freeN(ob->iuser);
ob->iuser = NULL;
}
}
}
bool BKE_object_minmax_dupli(Scene *scene, Object *ob, float r_min[3], float r_max[3], const bool use_hidden)
{
bool ok = false;
if ((ob->transflag & OB_DUPLI) == 0) {
return ok;
}
else {
ListBase *lb;
DupliObject *dob;
lb = object_duplilist(G.main->eval_ctx, scene, ob);
for (dob = lb->first; dob; dob = dob->next) {
if ((use_hidden == false) && (dob->no_draw != 0)) {
/* pass */
}
else {
BoundBox *bb = BKE_object_boundbox_get(dob->ob);
if (bb) {
int i;
for (i = 0; i < 8; i++) {
float vec[3];
mul_v3_m4v3(vec, dob->mat, bb->vec[i]);
minmax_v3v3_v3(r_min, r_max, vec);
}
ok = true;
}
}
}
free_object_duplilist(lb); /* does restore */
}
return ok;
}
void BKE_object_foreach_display_point(
Object *ob, float obmat[4][4],
void (*func_cb)(const float[3], void *), void *user_data)
{
float co[3];
if (ob->derivedFinal) {
DerivedMesh *dm = ob->derivedFinal;
MVert *mv = dm->getVertArray(dm);
int totvert = dm->getNumVerts(dm);
int i;
for (i = 0; i < totvert; i++, mv++) {
mul_v3_m4v3(co, obmat, mv->co);
func_cb(co, user_data);
}
}
else if (ob->curve_cache && ob->curve_cache->disp.first) {
DispList *dl;
for (dl = ob->curve_cache->disp.first; dl; dl = dl->next) {
float *v3 = dl->verts;
int totvert = dl->nr;
int i;
for (i = 0; i < totvert; i++, v3 += 3) {
mul_v3_m4v3(co, obmat, v3);
func_cb(co, user_data);
}
}
}
}
void BKE_scene_foreach_display_point(
Scene *scene, View3D *v3d, const short flag,
void (*func_cb)(const float[3], void *), void *user_data)
{
Base *base;
Object *ob;
for (base = FIRSTBASE; base; base = base->next) {
if (BASE_VISIBLE_BGMODE(v3d, scene, base) && (base->flag & flag) == flag) {
ob = base->object;
if ((ob->transflag & OB_DUPLI) == 0) {
BKE_object_foreach_display_point(ob, ob->obmat, func_cb, user_data);
}
else {
ListBase *lb;
DupliObject *dob;
lb = object_duplilist(G.main->eval_ctx, scene, ob);
for (dob = lb->first; dob; dob = dob->next) {
if (dob->no_draw == 0) {
BKE_object_foreach_display_point(dob->ob, dob->mat, func_cb, user_data);
}
}
free_object_duplilist(lb); /* does restore */
}
}
}
}
/* copied from DNA_object_types.h */
typedef struct ObTfmBack {
float loc[3], dloc[3], orig[3];
float size[3], dscale[3]; /* scale and delta scale */
float rot[3], drot[3]; /* euler rotation */
float quat[4], dquat[4]; /* quaternion rotation */
float rotAxis[3], drotAxis[3]; /* axis angle rotation - axis part */
float rotAngle, drotAngle; /* axis angle rotation - angle part */
float obmat[4][4]; /* final worldspace matrix with constraints & animsys applied */
float parentinv[4][4]; /* inverse result of parent, so that object doesn't 'stick' to parent */
float constinv[4][4]; /* inverse result of constraints. doesn't include effect of parent or object local transform */
float imat[4][4]; /* inverse matrix of 'obmat' for during render, old game engine, temporally: ipokeys of transform */
} ObTfmBack;
void *BKE_object_tfm_backup(Object *ob)
{
ObTfmBack *obtfm = MEM_mallocN(sizeof(ObTfmBack), "ObTfmBack");
copy_v3_v3(obtfm->loc, ob->loc);
copy_v3_v3(obtfm->dloc, ob->dloc);
copy_v3_v3(obtfm->orig, ob->orig);
copy_v3_v3(obtfm->size, ob->size);
copy_v3_v3(obtfm->dscale, ob->dscale);
copy_v3_v3(obtfm->rot, ob->rot);
copy_v3_v3(obtfm->drot, ob->drot);
copy_qt_qt(obtfm->quat, ob->quat);
copy_qt_qt(obtfm->dquat, ob->dquat);
copy_v3_v3(obtfm->rotAxis, ob->rotAxis);
copy_v3_v3(obtfm->drotAxis, ob->drotAxis);
obtfm->rotAngle = ob->rotAngle;
obtfm->drotAngle = ob->drotAngle;
copy_m4_m4(obtfm->obmat, ob->obmat);
copy_m4_m4(obtfm->parentinv, ob->parentinv);
copy_m4_m4(obtfm->constinv, ob->constinv);
copy_m4_m4(obtfm->imat, ob->imat);
return (void *)obtfm;
}
void BKE_object_tfm_restore(Object *ob, void *obtfm_pt)
{
ObTfmBack *obtfm = (ObTfmBack *)obtfm_pt;
copy_v3_v3(ob->loc, obtfm->loc);
copy_v3_v3(ob->dloc, obtfm->dloc);
copy_v3_v3(ob->orig, obtfm->orig);
copy_v3_v3(ob->size, obtfm->size);
copy_v3_v3(ob->dscale, obtfm->dscale);
copy_v3_v3(ob->rot, obtfm->rot);
copy_v3_v3(ob->drot, obtfm->drot);
copy_qt_qt(ob->quat, obtfm->quat);
copy_qt_qt(ob->dquat, obtfm->dquat);
copy_v3_v3(ob->rotAxis, obtfm->rotAxis);
copy_v3_v3(ob->drotAxis, obtfm->drotAxis);
ob->rotAngle = obtfm->rotAngle;
ob->drotAngle = obtfm->drotAngle;
copy_m4_m4(ob->obmat, obtfm->obmat);
copy_m4_m4(ob->parentinv, obtfm->parentinv);
copy_m4_m4(ob->constinv, obtfm->constinv);
copy_m4_m4(ob->imat, obtfm->imat);
}
bool BKE_object_parent_loop_check(const Object *par, const Object *ob)
{
/* test if 'ob' is a parent somewhere in par's parents */
if (par == NULL) return false;
if (ob == par) return true;
return BKE_object_parent_loop_check(par->parent, ob);
}
/* proxy rule: lib_object->proxy_from == the one we borrow from, only set temporal and cleared here */
/* local_object->proxy == pointer to library object, saved in files and read */
/* function below is polluted with proxy exceptions, cleanup will follow! */
/* the main object update call, for object matrix, constraints, keys and displist (modifiers) */
/* requires flags to be set! */
/* Ideally we shouldn't have to pass the rigid body world, but need bigger restructuring to avoid id */
void BKE_object_handle_update_ex(EvaluationContext *eval_ctx,
Scene *scene, Object *ob,
RigidBodyWorld *rbw,
const bool do_proxy_update)
{
if (ob->recalc & OB_RECALC_ALL) {
/* speed optimization for animation lookups */
if (ob->pose)
BKE_pose_channels_hash_make(ob->pose);
if (ob->recalc & OB_RECALC_DATA) {
if (ob->type == OB_ARMATURE) {
/* this happens for reading old files and to match library armatures
* with poses we do it ahead of BKE_object_where_is_calc to ensure animation
* is evaluated on the rebuilt pose, otherwise we get incorrect poses
* on file load */
if (ob->pose == NULL || (ob->pose->flag & POSE_RECALC))
BKE_pose_rebuild(ob, ob->data);
}
}
/* XXX new animsys warning: depsgraph tag OB_RECALC_DATA should not skip drivers,
* which is only in BKE_object_where_is_calc now */
/* XXX: should this case be OB_RECALC_OB instead? */
if (ob->recalc & OB_RECALC_ALL) {
if (G.debug & G_DEBUG_DEPSGRAPH)
printf("recalcob %s\n", ob->id.name + 2);
/* handle proxy copy for target */
if (ob->id.lib && ob->proxy_from) {
// printf("ob proxy copy, lib ob %s proxy %s\n", ob->id.name, ob->proxy_from->id.name);
if (ob->proxy_from->proxy_group) { /* transform proxy into group space */
Object *obg = ob->proxy_from->proxy_group;
invert_m4_m4(obg->imat, obg->obmat);
mul_m4_m4m4(ob->obmat, obg->imat, ob->proxy_from->obmat);
if (obg->dup_group) { /* should always be true */
add_v3_v3(ob->obmat[3], obg->dup_group->dupli_ofs);
}
}
else
copy_m4_m4(ob->obmat, ob->proxy_from->obmat);
}
else
BKE_object_where_is_calc_ex(scene, rbw, ob, NULL);
}
if (ob->recalc & OB_RECALC_DATA) {
ID *data_id = (ID *)ob->data;
AnimData *adt = BKE_animdata_from_id(data_id);
Key *key;
float ctime = BKE_scene_frame_get(scene);
if (G.debug & G_DEBUG_DEPSGRAPH)
printf("recalcdata %s\n", ob->id.name + 2);
if (adt) {
/* evaluate drivers - datalevel */
/* XXX: for mesh types, should we push this to derivedmesh instead? */
BKE_animsys_evaluate_animdata(scene, data_id, adt, ctime, ADT_RECALC_DRIVERS);
}
key = BKE_key_from_object(ob);
if (key && key->block.first) {
if (!(ob->shapeflag & OB_SHAPE_LOCK))
BKE_animsys_evaluate_animdata(scene, &key->id, key->adt, ctime, ADT_RECALC_DRIVERS);
}
/* includes all keys and modifiers */
switch (ob->type) {
case OB_MESH:
{
BMEditMesh *em = (ob == scene->obedit) ? BKE_editmesh_from_object(ob) : NULL;
uint64_t data_mask = scene->customdata_mask | CD_MASK_BAREMESH;
if (em) {
makeDerivedMesh(scene, ob, em, data_mask, 0); /* was CD_MASK_BAREMESH */
}
else {
makeDerivedMesh(scene, ob, NULL, data_mask, 0);
}
break;
}
case OB_ARMATURE:
if (ob->id.lib && ob->proxy_from) {
if (BKE_pose_copy_result(ob->pose, ob->proxy_from->pose) == false) {
printf("Proxy copy error, lib Object: %s proxy Object: %s\n",
ob->id.name + 2, ob->proxy_from->id.name + 2);
}
}
else {
BKE_pose_where_is(scene, ob);
}
break;
case OB_MBALL:
BKE_displist_make_mball(eval_ctx, scene, ob);
break;
case OB_CURVE:
case OB_SURF:
case OB_FONT:
BKE_displist_make_curveTypes(scene, ob, 0);
break;
case OB_LATTICE:
BKE_lattice_modifiers_calc(scene, ob);
break;
case OB_EMPTY:
if (ob->empty_drawtype == OB_EMPTY_IMAGE && ob->data)
if (BKE_image_is_animated(ob->data))
BKE_image_user_check_frame_calc(ob->iuser, (int)ctime, 0);
break;
}
/* related materials */
/* XXX: without depsgraph tagging, this will always need to be run, which will be slow!
* However, not doing anything (or trying to hack around this lack) is not an option
* anymore, especially due to Cycles [#31834]
*/
if (ob->totcol) {
int a;
for (a = 1; a <= ob->totcol; a++) {
Material *ma = give_current_material(ob, a);
if (ma) {
/* recursively update drivers for this material */
material_drivers_update(scene, ma, ctime);
}
}
}
else if (ob->type == OB_LAMP)
lamp_drivers_update(scene, ob->data, ctime);
/* particles */
if (ob->particlesystem.first) {
ParticleSystem *tpsys, *psys;
DerivedMesh *dm;
ob->transflag &= ~OB_DUPLIPARTS;
psys = ob->particlesystem.first;
while (psys) {
/* ensure this update always happens even if psys is disabled */
if (psys->recalc & PSYS_RECALC_TYPE) {
psys_changed_type(ob, psys);
}
if (psys_check_enabled(ob, psys)) {
/* check use of dupli objects here */
if (psys->part && (psys->part->draw_as == PART_DRAW_REND || eval_ctx->for_render) &&
((psys->part->ren_as == PART_DRAW_OB && psys->part->dup_ob) ||
(psys->part->ren_as == PART_DRAW_GR && psys->part->dup_group)))
{
ob->transflag |= OB_DUPLIPARTS;
}
particle_system_update(scene, ob, psys);
psys = psys->next;
}
else if (psys->flag & PSYS_DELETE) {
tpsys = psys->next;
BLI_remlink(&ob->particlesystem, psys);
psys_free(ob, psys);
psys = tpsys;
}
else
psys = psys->next;
}
if (eval_ctx->for_render && ob->transflag & OB_DUPLIPARTS) {
/* this is to make sure we get render level duplis in groups:
* the derivedmesh must be created before init_render_mesh,
* since object_duplilist does dupliparticles before that */
dm = mesh_create_derived_render(scene, ob, CD_MASK_BAREMESH | CD_MASK_MTFACE | CD_MASK_MCOL);
dm->release(dm);
for (psys = ob->particlesystem.first; psys; psys = psys->next)
psys_get_modifier(ob, psys)->flag &= ~eParticleSystemFlag_psys_updated;
}
}
/* quick cache removed */
}
ob->recalc &= ~OB_RECALC_ALL;
}
/* the case when this is a group proxy, object_update is called in group.c */
if (ob->proxy) {
/* set pointer in library proxy target, for copying, but restore it */
ob->proxy->proxy_from = ob;
// printf("set proxy pointer for later group stuff %s\n", ob->id.name);
/* the no-group proxy case, we call update */
if (ob->proxy_group == NULL) {
if (do_proxy_update) {
// printf("call update, lib ob %s proxy %s\n", ob->proxy->id.name, ob->id.name);
BKE_object_handle_update(eval_ctx, scene, ob->proxy);
}
}
}
}
/* WARNING: "scene" here may not be the scene object actually resides in.
* When dealing with background-sets, "scene" is actually the active scene.
* e.g. "scene" <-- set 1 <-- set 2 ("ob" lives here) <-- set 3 <-- ... <-- set n
* rigid bodies depend on their world so use BKE_object_handle_update_ex() to also pass along the corrent rigid body world
*/
void BKE_object_handle_update(EvaluationContext *eval_ctx, Scene *scene, Object *ob)
{
BKE_object_handle_update_ex(eval_ctx, scene, ob, NULL, true);
}
void BKE_object_sculpt_modifiers_changed(Object *ob)
{
SculptSession *ss = ob->sculpt;
if (ss) {
if (!ss->cache) {
/* we free pbvh on changes, except during sculpt since it can't deal with
* changing PVBH node organization, we hope topology does not change in
* the meantime .. weak */
if (ss->pbvh) {
BKE_pbvh_free(ss->pbvh);
ss->pbvh = NULL;
}
free_sculptsession_deformMats(ob->sculpt);
}
else {
PBVHNode **nodes;
int n, totnode;
BKE_pbvh_search_gather(ss->pbvh, NULL, NULL, &nodes, &totnode);
for (n = 0; n < totnode; n++)
BKE_pbvh_node_mark_update(nodes[n]);
MEM_freeN(nodes);
}
}
}
int BKE_object_obdata_texspace_get(Object *ob, short **r_texflag, float **r_loc, float **r_size, float **r_rot)
{
if (ob->data == NULL)
return 0;
switch (GS(((ID *)ob->data)->name)) {
case ID_ME:
{
Mesh *me = ob->data;
if (r_texflag) *r_texflag = &me->texflag;
if (r_loc) *r_loc = me->loc;
if (r_size) *r_size = me->size;
if (r_rot) *r_rot = me->rot;
break;
}
case ID_CU:
{
Curve *cu = ob->data;
if (r_texflag) *r_texflag = &cu->texflag;
if (r_loc) *r_loc = cu->loc;
if (r_size) *r_size = cu->size;
if (r_rot) *r_rot = cu->rot;
break;
}
case ID_MB:
{
MetaBall *mb = ob->data;
if (r_texflag) *r_texflag = &mb->texflag;
if (r_loc) *r_loc = mb->loc;
if (r_size) *r_size = mb->size;
if (r_rot) *r_rot = mb->rot;
break;
}
default:
return 0;
}
return 1;
}
/*
* Test a bounding box for ray intersection
* assumes the ray is already local to the boundbox space
*/
bool BKE_boundbox_ray_hit_check(struct BoundBox *bb, const float ray_start[3], const float ray_normal[3],
float *r_lambda)
{
const int triangle_indexes[12][3] = {
{0, 1, 2}, {0, 2, 3},
{3, 2, 6}, {3, 6, 7},
{1, 2, 6}, {1, 6, 5},
{5, 6, 7}, {4, 5, 7},
{0, 3, 7}, {0, 4, 7},
{0, 1, 5}, {0, 4, 5}};
bool result = false;
int i;
for (i = 0; i < 12 && (!result || r_lambda); i++) {
float lambda;
int v1, v2, v3;
v1 = triangle_indexes[i][0];
v2 = triangle_indexes[i][1];
v3 = triangle_indexes[i][2];
if (isect_ray_tri_v3(ray_start, ray_normal, bb->vec[v1], bb->vec[v2], bb->vec[v3], &lambda, NULL) &&
(!r_lambda || *r_lambda > lambda))
{
result = true;
if (r_lambda) {
*r_lambda = lambda;
}
}
}
return result;
}
static int pc_cmp(void *a, void *b)
{
LinkData *ad = a, *bd = b;
if (GET_INT_FROM_POINTER(ad->data) > GET_INT_FROM_POINTER(bd->data))
return 1;
else return 0;
}
int BKE_object_insert_ptcache(Object *ob)
{
LinkData *link = NULL;
int i = 0;
BLI_sortlist(&ob->pc_ids, pc_cmp);
for (link = ob->pc_ids.first, i = 0; link; link = link->next, i++) {
int index = GET_INT_FROM_POINTER(link->data);
if (i < index)
break;
}
link = MEM_callocN(sizeof(LinkData), "PCLink");
link->data = SET_INT_IN_POINTER(i);
BLI_addtail(&ob->pc_ids, link);
return i;
}
static int pc_findindex(ListBase *listbase, int index)
{
LinkData *link = NULL;
int number = 0;
if (listbase == NULL) return -1;
link = listbase->first;
while (link) {
if (GET_INT_FROM_POINTER(link->data) == index)
return number;
number++;
link = link->next;
}
return -1;
}
void BKE_object_delete_ptcache(Object *ob, int index)
{
int list_index = pc_findindex(&ob->pc_ids, index);
LinkData *link = BLI_findlink(&ob->pc_ids, list_index);
BLI_freelinkN(&ob->pc_ids, link);
}
/* shape key utility function */
/************************* Mesh ************************/
static KeyBlock *insert_meshkey(Scene *scene, Object *ob, const char *name, const bool from_mix)
{
Mesh *me = ob->data;
Key *key = me->key;
KeyBlock *kb;
int newkey = 0;
if (key == NULL) {
key = me->key = BKE_key_add((ID *)me);
key->type = KEY_RELATIVE;
newkey = 1;
}
if (newkey || from_mix == FALSE) {
/* create from mesh */
kb = BKE_keyblock_add_ctime(key, name, FALSE);
BKE_key_convert_from_mesh(me, kb);
}
else {
/* copy from current values */
int totelem;
float *data = BKE_key_evaluate_object(scene, ob, &totelem);
/* create new block with prepared data */
kb = BKE_keyblock_add_ctime(key, name, FALSE);
kb->data = data;
kb->totelem = totelem;
}
return kb;
}
/************************* Lattice ************************/
static KeyBlock *insert_lattkey(Scene *scene, Object *ob, const char *name, const bool from_mix)
{
Lattice *lt = ob->data;
Key *key = lt->key;
KeyBlock *kb;
int newkey = 0;
if (key == NULL) {
key = lt->key = BKE_key_add((ID *)lt);
key->type = KEY_RELATIVE;
newkey = 1;
}
if (newkey || from_mix == FALSE) {
kb = BKE_keyblock_add_ctime(key, name, FALSE);
if (!newkey) {
KeyBlock *basekb = (KeyBlock *)key->block.first;
kb->data = MEM_dupallocN(basekb->data);
kb->totelem = basekb->totelem;
}
else {
BKE_key_convert_from_lattice(lt, kb);
}
}
else {
/* copy from current values */
int totelem;
float *data = BKE_key_evaluate_object(scene, ob, &totelem);
/* create new block with prepared data */
kb = BKE_keyblock_add_ctime(key, name, FALSE);
kb->totelem = totelem;
kb->data = data;
}
return kb;
}
/************************* Curve ************************/
static KeyBlock *insert_curvekey(Scene *scene, Object *ob, const char *name, const bool from_mix)
{
Curve *cu = ob->data;
Key *key = cu->key;
KeyBlock *kb;
ListBase *lb = BKE_curve_nurbs_get(cu);
int newkey = 0;
if (key == NULL) {
key = cu->key = BKE_key_add((ID *)cu);
key->type = KEY_RELATIVE;
newkey = 1;
}
if (newkey || from_mix == FALSE) {
/* create from curve */
kb = BKE_keyblock_add_ctime(key, name, FALSE);
if (!newkey) {
KeyBlock *basekb = (KeyBlock *)key->block.first;
kb->data = MEM_dupallocN(basekb->data);
kb->totelem = basekb->totelem;
}
else {
BKE_key_convert_from_curve(cu, kb, lb);
}
}
else {
/* copy from current values */
int totelem;
float *data = BKE_key_evaluate_object(scene, ob, &totelem);
/* create new block with prepared data */
kb = BKE_keyblock_add_ctime(key, name, FALSE);
kb->totelem = totelem;
kb->data = data;
}
return kb;
}
KeyBlock *BKE_object_insert_shape_key(Scene *scene, Object *ob, const char *name, const bool from_mix)
{
switch (ob->type) {
case OB_MESH:
return insert_meshkey(scene, ob, name, from_mix);
case OB_CURVE:
case OB_SURF:
return insert_curvekey(scene, ob, name, from_mix);
case OB_LATTICE:
return insert_lattkey(scene, ob, name, from_mix);
default:
return NULL;
}
}
bool BKE_object_is_child_recursive(Object *ob_parent, Object *ob_child)
{
for (ob_child = ob_child->parent; ob_child; ob_child = ob_child->parent) {
if (ob_child == ob_parent) {
return true;
}
}
return false;
}
/* most important if this is modified it should _always_ return True, in certain
* cases false positives are hard to avoid (shape keys for example) */
int BKE_object_is_modified(Scene *scene, Object *ob)
{
int flag = 0;
if (BKE_key_from_object(ob)) {
flag |= eModifierMode_Render | eModifierMode_Realtime;
}
else {
ModifierData *md;
VirtualModifierData virtualModifierData;
/* cloth */
for (md = modifiers_getVirtualModifierList(ob, &virtualModifierData);
md && (flag != (eModifierMode_Render | eModifierMode_Realtime));
md = md->next)
{
if ((flag & eModifierMode_Render) == 0 && modifier_isEnabled(scene, md, eModifierMode_Render))
flag |= eModifierMode_Render;
if ((flag & eModifierMode_Realtime) == 0 && modifier_isEnabled(scene, md, eModifierMode_Realtime))
flag |= eModifierMode_Realtime;
}
}
return flag;
}
/* test if object is affected by deforming modifiers (for motion blur). again
* most important is to avoid false positives, this is to skip computations
* and we can still if there was actual deformation afterwards */
int BKE_object_is_deform_modified(Scene *scene, Object *ob)
{
ModifierData *md;
VirtualModifierData virtualModifierData;
int flag = 0;
/* cloth */
for (md = modifiers_getVirtualModifierList(ob, &virtualModifierData);
md && (flag != (eModifierMode_Render | eModifierMode_Realtime));
md = md->next)
{
ModifierTypeInfo *mti = modifierType_getInfo(md->type);
if (mti->type == eModifierTypeType_OnlyDeform) {
if (!(flag & eModifierMode_Render) && modifier_isEnabled(scene, md, eModifierMode_Render))
flag |= eModifierMode_Render;
if (!(flag & eModifierMode_Realtime) && modifier_isEnabled(scene, md, eModifierMode_Realtime))
flag |= eModifierMode_Realtime;
}
}
return flag;
}
/* See if an object is using an animated modifier */
bool BKE_object_is_animated(Scene *scene, Object *ob)
{
ModifierData *md;
VirtualModifierData virtualModifierData;
for (md = modifiers_getVirtualModifierList(ob, &virtualModifierData); md; md = md->next)
if (modifier_dependsOnTime(md) &&
(modifier_isEnabled(scene, md, eModifierMode_Realtime) ||
modifier_isEnabled(scene, md, eModifierMode_Render)))
{
return true;
}
return false;
}
static void copy_object__forwardModifierLinks(void *UNUSED(userData), Object *UNUSED(ob), ID **idpoin)
{
/* this is copied from ID_NEW; it might be better to have a macro */
if (*idpoin && (*idpoin)->newid) *idpoin = (*idpoin)->newid;
}
void BKE_object_relink(Object *ob)
{
if (ob->id.lib)
return;
BKE_relink_constraints(&ob->constraints);
if (ob->pose) {
bPoseChannel *chan;
for (chan = ob->pose->chanbase.first; chan; chan = chan->next) {
BKE_relink_constraints(&chan->constraints);
}
}
modifiers_foreachIDLink(ob, copy_object__forwardModifierLinks, NULL);
if (ob->adt)
BKE_relink_animdata(ob->adt);
if (ob->rigidbody_constraint)
BKE_rigidbody_relink_constraint(ob->rigidbody_constraint);
ID_NEW(ob->parent);
ID_NEW(ob->proxy);
ID_NEW(ob->proxy_group);
}
MovieClip *BKE_object_movieclip_get(Scene *scene, Object *ob, bool use_default)
{
MovieClip *clip = use_default ? scene->clip : NULL;
bConstraint *con = ob->constraints.first, *scon = NULL;
while (con) {
if (con->type == CONSTRAINT_TYPE_CAMERASOLVER) {
if (scon == NULL || (scon->flag & CONSTRAINT_OFF))
scon = con;
}
con = con->next;
}
if (scon) {
bCameraSolverConstraint *solver = scon->data;
if ((solver->flag & CAMERASOLVER_ACTIVECLIP) == 0)
clip = solver->clip;
else
clip = scene->clip;
}
return clip;
}
/*
* Find an associated Armature object
*/
static Object *obrel_armature_find(Object *ob)
{
Object *ob_arm = NULL;
if (ob->parent && ob->partype == PARSKEL && ob->parent->type == OB_ARMATURE) {
ob_arm = ob->parent;
}
else {
ModifierData *mod;
for (mod = (ModifierData *)ob->modifiers.first; mod; mod = mod->next) {
if (mod->type == eModifierType_Armature) {
ob_arm = ((ArmatureModifierData *)mod)->object;
}
}
}
return ob_arm;
}
static bool obrel_list_test(Object *ob)
{
return ob && !(ob->id.flag & LIB_DOIT);
}
static void obrel_list_add(LinkNode **links, Object *ob)
{
BLI_linklist_prepend(links, ob);
ob->id.flag |= LIB_DOIT;
}
/*
* Iterates over all objects of the given scene.
* Depending on the eObjectSet flag:
* collect either OB_SET_ALL, OB_SET_VISIBLE or OB_SET_SELECTED objects.
* If OB_SET_VISIBLE or OB_SET_SELECTED are collected,
* then also add related objects according to the given includeFilters.
*/
LinkNode *BKE_object_relational_superset(struct Scene *scene, eObjectSet objectSet, eObRelationTypes includeFilter)
{
LinkNode *links = NULL;
Base *base;
/* Remove markers from all objects */
for (base = scene->base.first; base; base = base->next) {
base->object->id.flag &= ~LIB_DOIT;
}
/* iterate over all selected and visible objects */
for (base = scene->base.first; base; base = base->next) {
if (objectSet == OB_SET_ALL) {
/* as we get all anyways just add it */
Object *ob = base->object;
obrel_list_add(&links, ob);
}
else {
if ((objectSet == OB_SET_SELECTED && TESTBASELIB_BGMODE(((View3D *)NULL), scene, base)) ||
(objectSet == OB_SET_VISIBLE && BASE_EDITABLE_BGMODE(((View3D *)NULL), scene, base)))
{
Object *ob = base->object;
if (obrel_list_test(ob))
obrel_list_add(&links, ob);
/* parent relationship */
if (includeFilter & (OB_REL_PARENT | OB_REL_PARENT_RECURSIVE)) {
Object *parent = ob->parent;
if (obrel_list_test(parent)) {
obrel_list_add(&links, parent);
/* recursive parent relationship */
if (includeFilter & OB_REL_PARENT_RECURSIVE) {
parent = parent->parent;
while (obrel_list_test(parent)) {
obrel_list_add(&links, parent);
parent = parent->parent;
}
}
}
}
/* child relationship */
if (includeFilter & (OB_REL_CHILDREN | OB_REL_CHILDREN_RECURSIVE)) {
Base *local_base;
for (local_base = scene->base.first; local_base; local_base = local_base->next) {
if (BASE_EDITABLE_BGMODE(((View3D *)NULL), scene, local_base)) {
Object *child = local_base->object;
if (obrel_list_test(child)) {
if ((includeFilter & OB_REL_CHILDREN_RECURSIVE && BKE_object_is_child_recursive(ob, child)) ||
(includeFilter & OB_REL_CHILDREN && child->parent && child->parent == ob))
{
obrel_list_add(&links, child);
}
}
}
}
}
/* include related armatures */
if (includeFilter & OB_REL_MOD_ARMATURE) {
Object *arm = obrel_armature_find(ob);
if (obrel_list_test(arm)) {
obrel_list_add(&links, arm);
}
}
}
}
}
return links;
}
/**
* return all groups this object is apart of, caller must free.
*/
struct LinkNode *BKE_object_groups(Object *ob)
{
LinkNode *group_linknode = NULL;
Group *group = NULL;
while ((group = BKE_group_object_find(group, ob))) {
BLI_linklist_prepend(&group_linknode, group);
}
return group_linknode;
}
void BKE_object_groups_clear(Scene *scene, Base *base, Object *object)
{
Group *group = NULL;
BLI_assert((base == NULL) || (base->object == object));
if (scene && base == NULL) {
base = BKE_scene_base_find(scene, object);
}
while ((group = BKE_group_object_find(group, base->object))) {
BKE_group_object_unlink(group, object, scene, base);
}
}
/**
* Return a KDTree from the deformed object (in worldspace)
*
* \note Only mesh objects currently support deforming, others are TODO.
*
* \param ob
* \param r_tot
* \return The kdtree or NULL if it can't be created.
*/
KDTree *BKE_object_as_kdtree(Object *ob, int *r_tot)
{
KDTree *tree = NULL;
unsigned int tot = 0;
switch (ob->type) {
case OB_MESH:
{
Mesh *me = ob->data;
unsigned int i;
DerivedMesh *dm = ob->derivedDeform ? ob->derivedDeform : ob->derivedFinal;
int *index;
if (dm && (index = CustomData_get_layer(&dm->vertData, CD_ORIGINDEX))) {
MVert *mvert = dm->getVertArray(dm);
unsigned int totvert = dm->getNumVerts(dm);
/* tree over-allocs in case where some verts have ORIGINDEX_NONE */
tot = 0;
tree = BLI_kdtree_new(totvert);
/* we don't how how many verts from the DM we can use */
for (i = 0; i < totvert; i++) {
if (index[i] != ORIGINDEX_NONE) {
float co[3];
mul_v3_m4v3(co, ob->obmat, mvert[i].co);
BLI_kdtree_insert(tree, index[i], co);
tot++;
}
}
}
else {
MVert *mvert = me->mvert;
tot = me->totvert;
tree = BLI_kdtree_new(tot);
for (i = 0; i < tot; i++) {
float co[3];
mul_v3_m4v3(co, ob->obmat, mvert[i].co);
BLI_kdtree_insert(tree, i, co);
}
}
BLI_kdtree_balance(tree);
break;
}
case OB_CURVE:
case OB_SURF:
{
/* TODO: take deformation into account */
Curve *cu = ob->data;
unsigned int i, a;
Nurb *nu;
tot = BKE_nurbList_verts_count_without_handles(&cu->nurb);
tree = BLI_kdtree_new(tot);
i = 0;
nu = cu->nurb.first;
while (nu) {
if (nu->bezt) {
BezTriple *bezt;
bezt = nu->bezt;
a = nu->pntsu;
while (a--) {
float co[3];
mul_v3_m4v3(co, ob->obmat, bezt->vec[1]);
BLI_kdtree_insert(tree, i++, co);
bezt++;
}
}
else {
BPoint *bp;
bp = nu->bp;
a = nu->pntsu * nu->pntsv;
while (a--) {
float co[3];
mul_v3_m4v3(co, ob->obmat, bp->vec);
BLI_kdtree_insert(tree, i++, co);
bp++;
}
}
nu = nu->next;
}
BLI_kdtree_balance(tree);
break;
}
case OB_LATTICE:
{
/* TODO: take deformation into account */
Lattice *lt = ob->data;
BPoint *bp;
unsigned int i;
tot = lt->pntsu * lt->pntsv * lt->pntsw;
tree = BLI_kdtree_new(tot);
i = 0;
for (bp = lt->def; i < tot; bp++) {
float co[3];
mul_v3_m4v3(co, ob->obmat, bp->vec);
BLI_kdtree_insert(tree, i++, co);
}
BLI_kdtree_balance(tree);
break;
}
}
*r_tot = tot;
return tree;
}
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