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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 "BLI_blenlib.h"
#include "BLI_bpath.h"
#include "BLI_math.h"
#include "BLI_pbvh.h"
#include "BLI_utildefines.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_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_mesh.h"
#include "BKE_tessmesh.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_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"
#ifdef WITH_MOD_FLUID
#include "LBM_fluidsim.h"
#endif
#ifdef WITH_PYTHON
#include "BPY_extern.h"
#endif
#include "GPU_material.h"
/* Local function protos */
static void solve_parenting (Scene *scene, Object *ob, Object *par, float obmat[][4], float slowmat[][4], int simul);
float originmat[3][3]; /* after where_is_object(), can be used in other functions (bad!) */
void clear_workob(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 copy_baseflags(struct Scene *scene)
{
Base *base= scene->base.first;
while (base) {
base->object->flag= base->flag;
base= base->next;
}
}
void copy_objectflags(struct Scene *scene)
{
Base *base= scene->base.first;
while (base) {
base->flag= base->object->flag;
base= base->next;
}
}
void 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 object_free_particlesystems(Object *ob)
{
while (ob->particlesystem.first) {
ParticleSystem *psys = ob->particlesystem.first;
BLI_remlink(&ob->particlesystem,psys);
psys_free(ob,psys);
}
}
void object_free_softbody(Object *ob)
{
if (ob->soft) {
sbFree(ob->soft);
ob->soft= NULL;
}
}
void object_free_bulletsoftbody(Object *ob)
{
if (ob->bsoft) {
bsbFree(ob->bsoft);
ob->bsoft= NULL;
}
}
void object_free_modifiers(Object *ob)
{
while (ob->modifiers.first) {
ModifierData *md = ob->modifiers.first;
BLI_remlink(&ob->modifiers, md);
modifier_free(md);
}
/* particle modifiers were freed, so free the particlesystems as well */
object_free_particlesystems(ob);
/* same for softbody */
object_free_softbody(ob);
}
int object_support_modifier_type(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 object_link_modifiers(struct Object *ob, struct Object *from)
{
ModifierData *md;
object_free_modifiers(ob);
if (!ELEM5(ob->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=from->modifiers.first; md; md=md->next) {
ModifierData *nmd = NULL;
if (ELEM4(md->type, eModifierType_Hook, eModifierType_Softbody, eModifierType_ParticleInstance, eModifierType_Collision)) continue;
if (!object_support_modifier_type(ob, md->type))
continue;
nmd = modifier_new(md->type);
modifier_copyData(md, nmd);
BLI_addtail(&ob->modifiers, nmd);
}
copy_object_particlesystems(ob, from);
copy_object_softbody(ob, from);
// TODO: smoke?, cloth?
}
/* here we will collect all local displist stuff */
/* also (ab)used in depsgraph */
void object_free_display(Object *ob)
{
if (ob->derivedDeform) {
ob->derivedDeform->needsFree = 1;
ob->derivedDeform->release(ob->derivedDeform);
ob->derivedDeform= NULL;
}
if (ob->derivedFinal) {
ob->derivedFinal->needsFree = 1;
ob->derivedFinal->release(ob->derivedFinal);
ob->derivedFinal= NULL;
}
freedisplist(&ob->disp);
}
void free_sculptsession_deformMats(SculptSession *ss)
{
if (ss->orig_cos) MEM_freeN(ss->orig_cos);
if (ss->deform_cos) MEM_freeN(ss->deform_cos);
if (ss->deform_imats) MEM_freeN(ss->deform_imats);
ss->orig_cos = NULL;
ss->deform_cos = NULL;
ss->deform_imats = NULL;
}
void free_sculptsession(Object *ob)
{
if (ob && ob->sculpt) {
SculptSession *ss = ob->sculpt;
DerivedMesh *dm= ob->derivedFinal;
if (ss->pbvh)
BLI_pbvh_free(ss->pbvh);
if (dm && dm->getPBVH)
dm->getPBVH(NULL, dm); /* signal to clear */
if (ss->texcache)
MEM_freeN(ss->texcache);
if (ss->layer_co)
MEM_freeN(ss->layer_co);
if (ss->orig_cos)
MEM_freeN(ss->orig_cos);
if (ss->deform_cos)
MEM_freeN(ss->deform_cos);
if (ss->deform_imats)
MEM_freeN(ss->deform_imats);
MEM_freeN(ss);
ob->sculpt = NULL;
}
}
/* do not free object itself */
void free_object(Object *ob)
{
int a;
object_free_display(ob);
/* disconnect specific data */
if (ob->data) {
ID *id= ob->data;
id->us--;
if (id->us==0) {
if (ob->type==OB_MESH) unlink_mesh(ob->data);
else if (ob->type==OB_CURVE) unlink_curve(ob->data);
else if (ob->type==OB_MBALL) unlink_mball(ob->data);
}
ob->data= NULL;
}
for (a=0; a<ob->totcol; a++) {
if (ob->mat[a]) ob->mat[a]->id.us--;
}
if (ob->mat) MEM_freeN(ob->mat);
if (ob->matbits) MEM_freeN(ob->matbits);
ob->mat= NULL;
ob->matbits= 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)
free_pose(ob->pose);
if (ob->mpath)
animviz_free_motionpath(ob->mpath);
free_properties(&ob->prop);
object_free_modifiers(ob);
free_sensors(&ob->sensors);
free_controllers(&ob->controllers);
free_actuators(&ob->actuators);
free_constraints(&ob->constraints);
free_partdeflect(ob->pd);
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);
}
static void unlink_object__unlinkModifierLinks(void *userData, Object *ob, Object **obpoin)
{
Object *unlinkOb = userData;
if (*obpoin==unlinkOb) {
*obpoin = NULL;
ob->recalc |= OB_RECALC_OB|OB_RECALC_DATA|OB_RECALC_TIME; // XXX: should this just be OB_RECALC_DATA?
}
}
void unlink_object(Object *ob)
{
Main *bmain= G.main;
Object *obt;
Material *mat;
World *wrld;
bScreen *sc;
Scene *sce;
Curve *cu;
Tex *tex;
Group *group;
Camera *camera;
bConstraint *con;
//bActionStrip *strip; // XXX animsys
ModifierData *md;
ARegion *ar;
RegionView3D *rv3d;
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;
obt->recalc |= OB_RECALC_OB;
}
if (obt->proxy_group==ob)
obt->proxy_group= NULL;
if (obt->parent==ob) {
obt->parent= NULL;
obt->recalc |= 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;
obt->recalc |= OB_RECALC_OB|OB_RECALC_DATA|OB_RECALC_TIME;
}
if (cu->taperobj==ob) {
cu->taperobj= NULL;
obt->recalc |= OB_RECALC_OB|OB_RECALC_DATA|OB_RECALC_TIME;
}
if (cu->textoncurve==ob) {
cu->textoncurve= NULL;
obt->recalc |= 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= 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';
obt->recalc |= 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 (is_mball_basis_for (obt, ob))
obt->recalc|= OB_RECALC_DATA;
}
sca_remove_ob_poin(obt, ob);
for (con = obt->constraints.first; con; con=con->next) {
bConstraintTypeInfo *cti= 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';
obt->recalc |= 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)
obt->recalc |= OB_RECALC_DATA;
/* cloth */
for (md=obt->modifiers.first; md; md=md->next)
if (md->type == eModifierType_Cloth)
obt->recalc |= 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;
obt->recalc |= OB_RECALC_DATA;
break;
}
}
if (tpsys->target_ob==ob) {
tpsys->target_ob= NULL;
obt->recalc |= 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 (ob->pd)
obt->recalc |= OB_RECALC_DATA;
}
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
}
}
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= so->treestore->data;
int a;
for (a=0; a<so->treestore->usedelem; a++, tselem++) {
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;
}
}
}
sa= sa->next;
}
sc= sc->id.next;
}
/* groups */
group= bmain->group.first;
while (group) {
rem_from_group(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;
}
}
int exist_object(Object *obtest)
{
Object *ob;
if (obtest==NULL) return 0;
ob= G.main->object.first;
while (ob) {
if (ob==obtest) return 1;
ob= ob->id.next;
}
return 0;
}
/* *************************************************** */
static void *add_obdata_from_type(int type)
{
switch (type) {
case OB_MESH: return add_mesh("Mesh");
case OB_CURVE: return add_curve("Curve", OB_CURVE);
case OB_SURF: return add_curve("Surf", OB_SURF);
case OB_FONT: return add_curve("Text", OB_FONT);
case OB_MBALL: return add_mball("Meta");
case OB_CAMERA: return add_camera("Camera");
case OB_LAMP: return add_lamp("Lamp");
case OB_LATTICE: return add_lattice("Lattice");
case OB_ARMATURE: return add_armature("Armature");
case OB_SPEAKER: return add_speaker("Speaker");
case OB_EMPTY: return NULL;
default:
printf("add_obdata_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 "Mesh";
case OB_CURVE: return "Curve";
case OB_SURF: return "Surf";
case OB_FONT: return "Text";
case OB_MBALL: return "Mball";
case OB_CAMERA: return "Camera";
case OB_LAMP: return "Lamp";
case OB_LATTICE: return "Lattice";
case OB_ARMATURE: return "Armature";
case OB_SPEAKER: return "Speaker";
case OB_EMPTY: return "Empty";
default:
printf("get_obdata_defname: Internal error, bad type: %d\n", type);
return "Empty";
}
}
/* more general add: creates minimum required data, but without vertices etc. */
Object *add_only_object(int type, const char *name)
{
Object *ob;
ob= alloc_libblock(&G.main->object, 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 (type==OB_CAMERA || type==OB_LAMP || type==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 = 0.0;
ob->init_state=1;
ob->state=1;
/* ob->pad3 == Contact Processing Threshold */
ob->m_contactProcessingThreshold = 1.;
ob->obstacleRad = 1.;
/* NT fluid sim defaults */
ob->fluidsimSettings = NULL;
ob->pc_ids.first = ob->pc_ids.last = NULL;
/* Animation Visualisation 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 *add_object(struct Scene *scene, int type)
{
Object *ob;
Base *base;
char name[MAX_ID_NAME];
BLI_strncpy(name, get_obdata_defname(type), sizeof(name));
ob = add_only_object(type, name);
ob->data= add_obdata_from_type(type);
ob->lay= scene->lay;
base= scene_add_base(scene, ob);
scene_select_base(scene, base);
ob->recalc |= OB_RECALC_OB|OB_RECALC_DATA|OB_RECALC_TIME;
return ob;
}
SoftBody *copy_softbody(SoftBody *sb)
{
SoftBody *sbn;
if (sb==NULL) return(NULL);
sbn= MEM_dupallocN(sb);
sbn->totspring= sbn->totpoint= 0;
sbn->bpoint= NULL;
sbn->bspring= NULL;
sbn->keys= NULL;
sbn->totkey= sbn->totpointkey= 0;
sbn->scratch= NULL;
sbn->pointcache= BKE_ptcache_copy_list(&sbn->ptcaches, &sb->ptcaches);
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->frand= NULL;
psysn->pdd= NULL;
psysn->effectors= NULL;
psysn->pathcachebufs.first = psysn->pathcachebufs.last = NULL;
psysn->childcachebufs.first = psysn->childcachebufs.last = NULL;
psysn->renderdata = NULL;
psysn->pointcache= BKE_ptcache_copy_list(&psysn->ptcaches, &psys->ptcaches);
/* 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 copy_object_particlesystems(Object *obn, Object *ob)
{
ParticleSystem *psys, *npsys;
ModifierData *md;
if (obn->type != OB_MESH) {
/* currently only mesh objects can have soft body */
return;
}
obn->particlesystem.first= obn->particlesystem.last= NULL;
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 copy_object_softbody(Object *obn, Object *ob)
{
if (ob->soft)
obn->soft= copy_softbody(ob->soft);
}
static void copy_object_pose(Object *obn, Object *ob)
{
bPoseChannel *chan;
/* note: need to clear obn->pose pointer first, so that copy_pose works (otherwise there's a crash) */
obn->pose= NULL;
copy_pose(&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);
for (con= chan->constraints.first; con; con= con->next) {
bConstraintTypeInfo *cti= 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 int object_pose_context(Object *ob)
{
if ( (ob) &&
(ob->type == OB_ARMATURE) &&
(ob->pose) &&
(ob->mode & OB_MODE_POSE)
) {
return 1;
}
else {
return 0;
}
}
Object *object_pose_armature_get(Object *ob)
{
if (ob==NULL)
return NULL;
if (object_pose_context(ob))
return ob;
ob= modifiers_isDeformedByArmature(ob);
if (object_pose_context(ob))
return ob;
return NULL;
}
static void copy_object_transform(Object *ob_tar, 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 *copy_object(Object *ob)
{
Object *obn;
ModifierData *md;
int a;
obn= copy_libblock(&ob->id);
if (ob->totcol) {
obn->mat= MEM_dupallocN(ob->mat);
obn->matbits= MEM_dupallocN(ob->matbits);
obn->totcol= ob->totcol;
}
if (ob->bb) obn->bb= MEM_dupallocN(ob->bb);
obn->flag &= ~OB_FROMGROUP;
obn->modifiers.first = obn->modifiers.last= NULL;
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);
}
obn->prop.first = obn->prop.last = NULL;
copy_properties(&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)
armature_rebuild_pose(obn, obn->data);
}
defgroup_copy_list(&obn->defbase, &ob->defbase);
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]);
obn->disp.first= obn->disp.last= NULL;
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);
obn->bsoft = copy_bulletsoftbody(ob->bsoft);
copy_object_particlesystems(obn, ob);
obn->derivedDeform = NULL;
obn->derivedFinal = NULL;
obn->gpulamp.first = obn->gpulamp.last = NULL;
obn->pc_ids.first = obn->pc_ids.last = NULL;
obn->mpath= NULL;
return obn;
}
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 make_local_object(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 (object_in_scene(ob, sce)) {
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= copy_object(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)
*/
int object_is_libdata(Object *ob)
{
if (!ob) return 0;
if (ob->proxy) return 0;
if (ob->id.lib) return 1;
return 0;
}
/* Returns true if the Object data is a from an external blend file (libdata) */
int object_data_is_libdata(Object *ob)
{
if (!ob) return 0;
if (ob->proxy && (ob->data==NULL || ((ID *)ob->data)->lib==NULL)) return 0;
if (ob->id.lib) return 1;
if (ob->data==NULL) return 0;
if (((ID *)ob->data)->lib) return 1;
return 0;
}
/* *************** 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 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 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);
ob->recalc= target->recalc= 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;
mult_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);
}
object_apply_mat4(ob, ob->obmat, FALSE, TRUE);
}
else {
copy_object_transform(ob, target);
ob->parent= target->parent; /* libdata */
copy_m4_m4(ob->parentinv, target->parentinv);
}
/* copy animdata stuff - drivers only for now... */
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 */
rest_pose(ob->pose); /* clear all transforms in channels */
armature_rebuild_pose(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 object_scale_to_mat3(Object *ob, float mat[][3])
{
float vec[3];
mul_v3_v3v3(vec, ob->size, ob->dscale);
size_to_mat3( mat,vec);
}
void object_rot_to_mat3(Object *ob, float mat[][3])
{
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 normalised 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 */
mul_m3_m3m3(mat, dmat, rmat);
}
void object_mat3_to_rot(Object *ob, float mat[][3], short 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);
}
}
}
void 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 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;
}
}
/* see pchan_apply_mat4() for the equivalent 'pchan' function */
void object_apply_mat4(Object *ob, float mat[][4], const short use_compat, const short use_parent)
{
float rot[3][3];
if (use_parent && ob->parent) {
float rmat[4][4], diff_mat[4][4], imat[4][4];
mult_m4_m4m4(diff_mat, ob->parent->obmat, ob->parentinv);
invert_m4_m4(imat, diff_mat);
mult_m4_m4m4(rmat, imat, mat); /* get the parent relative matrix */
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);
object_mat3_to_rot(ob, rot, use_compat);
}
else {
mat4_to_loc_rot_size(ob->loc, rot, ob->size, mat);
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];
/* object_mat3_to_rot handles delta rotations */
}
void object_to_mat3(Object *ob, float mat[][3]) /* no parent */
{
float smat[3][3];
float rmat[3][3];
/*float q1[4];*/
/* size */
object_scale_to_mat3(ob, smat);
/* rot */
object_rot_to_mat3(ob, rmat);
mul_m3_m3m3(mat, rmat, smat);
}
void object_to_mat4(Object *ob, float mat[][4])
{
float tmat[3][3];
object_to_mat3(ob, tmat);
copy_m4_m3(mat, tmat);
add_v3_v3v3(mat[3], ob->loc, ob->dloc);
}
/* extern */
int enable_cu_speed= 1;
static void ob_parcurve(Scene *scene, Object *ob, Object *par, float mat[][4])
{
Curve *cu;
float vec[4], dir[3], quat[4], radius, ctime;
float timeoffs = 0.0, sf_orig = 0.0;
unit_m4(mat);
cu= par->data;
if (cu->path==NULL || cu->path->data==NULL) /* only happens on reload file, but violates depsgraph still... fix! */
makeDispListCurveTypes(scene, par, 0);
if (cu->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= scene->r.cfra;
if (IS_EQF(cu->pathlen, 0.0f) == 0)
ctime /= cu->pathlen;
CLAMP(ctime, 0.0f, 1.0f);
}
/* time calculus is correct, now apply distance offset */
if (cu->flag & CU_OFFS_PATHDIST) {
ctime += timeoffs/cu->path->totdist;
/* restore */
SWAP(float, sf_orig, ob->sf);
}
/* 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 x1, q[4];
vec_to_quat( quat,dir, ob->trackflag, ob->upflag);
/* the tilt */
normalize_v3(dir);
q[0]= (float)cos(0.5*vec[3]);
x1= (float)sin(0.5*vec[3]);
q[1]= -x1*dir[0];
q[2]= -x1*dir[1];
q[3]= -x1*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);
mult_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])
{
bPoseChannel *pchan;
float vec[3];
if (par->type!=OB_ARMATURE) {
unit_m4(mat);
return;
}
/* Make sure the bone is still valid */
pchan= get_pose_channel(par->pose, ob->parsubstr);
if (!pchan) {
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 */
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])
{
BMEditMesh *em;
int a, count;
vec[0]=vec[1]=vec[2]= 0.0f;
if (par->type==OB_MESH) {
Mesh *me= par->data;
DerivedMesh *dm;
em = me->edit_btmesh;
#if 0 /* this was bmesh only, better, evaluate why this was needed - campbell*/
if (em) {
BMVert *eve;
BMIter iter;
BM_ITER(eve, &iter, em->bm, BM_VERTS_OF_MESH, NULL) {
int *keyindex = CustomData_bmesh_get(&em->bm->vdata, eve->head.data, CD_SHAPE_KEYINDEX);
if (keyindex && *keyindex==nr) {
copy_v3_v3(vec, eve->co);
break;
}
}
}
#endif
dm = (em)? em->derivedFinal: par->derivedFinal;
if (dm) {
MVert *mvert= dm->getVertArray(dm);
int *index = (int *)dm->getVertDataArray(dm, CD_ORIGINDEX);
int i, vindex, numVerts = dm->getNumVerts(dm);
/* get the average of all verts with (original index == nr) */
count= 0;
for (i = 0; i < numVerts; i++) {
vindex= (index)? index[i]: i;
if (vindex == nr) {
add_v3_v3(vec, mvert[i].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)) {
Nurb *nu;
Curve *cu;
BPoint *bp;
BezTriple *bezt;
int found= 0;
ListBase *nurbs;
cu= par->data;
nurbs= BKE_curve_nurbs(cu);
nu= nurbs->first;
count= 0;
while (nu && !found) {
if (nu->type == CU_BEZIER) {
bezt= nu->bezt;
a= nu->pntsu;
while (a--) {
if (count==nr) {
found= 1;
copy_v3_v3(vec, bezt->vec[1]);
break;
}
count++;
bezt++;
}
}
else {
bp= nu->bp;
a= nu->pntsu*nu->pntsv;
while (a--) {
if (count==nr) {
found= 1;
memcpy(vec, bp->vec, sizeof(float)*3);
break;
}
count++;
bp++;
}
}
nu= nu->next;
}
}
else if (par->type==OB_LATTICE) {
Lattice *latt= par->data;
BPoint *bp;
DispList *dl = find_displist(&par->disp, DL_VERTS);
float *co = dl?dl->verts:NULL;
if (latt->editlatt) latt= latt->editlatt->latt;
a= latt->pntsu*latt->pntsv*latt->pntsw;
count= 0;
bp= latt->def;
while (a--) {
if (count==nr) {
if (co)
memcpy(vec, co, 3*sizeof(float));
else
memcpy(vec, bp->vec, 3*sizeof(float));
break;
}
count++;
if (co) co+= 3;
else bp++;
}
}
}
static void ob_parvert3(Object *ob, Object *par, float mat[][4])
{
float cmat[3][3], v1[3], v2[3], v3[3], q[4];
/* in local ob space */
unit_m4(mat);
if (ELEM4(par->type, OB_MESH, OB_SURF, OB_CURVE, OB_LATTICE)) {
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);
if (ob->type==OB_CURVE) {
copy_v3_v3(mat[3], v1);
}
else {
add_v3_v3v3(mat[3], v1, v2);
add_v3_v3(mat[3], v3);
mul_v3_fl(mat[3], 0.3333333f);
}
}
}
static int 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;
}
void where_is_object_time(Scene *scene, Object *ob, float ctime)
{
float slowmat[4][4] = MAT4_UNITY;
float stime=ctime;
/* new version: correct parent+vertexparent and track+parent */
/* this one only calculates direct attached parent and track */
/* is faster, but should keep track of timeoffs */
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;
/* hurms, code below conflicts with depgraph... (ton) */
/* and even worse, it gives bad effects for NLA stride too (try ctime != par->ctime, with MBlur) */
if (stime != par->ctime) {
// only for ipo systems?
Object tmp= *par;
if (par->proxy_from); // was a copied matrix, no where_is! bad...
else where_is_object_time(scene, par, ctime);
solve_parenting(scene, ob, par, ob->obmat, slowmat, 0);
*par= tmp;
}
else
solve_parenting(scene, ob, par, ob->obmat, slowmat, 0);
/* "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 {
object_to_mat4(ob, ob->obmat);
}
/* solve constraints */
if (ob->constraints.first && !(ob->transflag & OB_NO_CONSTRAINTS)) {
bConstraintOb *cob;
cob= constraints_make_evalob(scene, ob, NULL, CONSTRAINT_OBTYPE_OBJECT);
/* constraints need ctime, not stime. Some call where_is_object_time and bsystem_time */
solve_constraints (&ob->constraints, cob, ctime);
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;
}
/* 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 where_is_object_mat(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, 1);
if (ob->partype & PARSLOW)
where_is_object_parslow(ob, obmat, slowmat);
}
else {
object_to_mat4(ob, obmat);
}
}
static void solve_parenting (Scene *scene, Object *ob, Object *par, float obmat[][4], float slowmat[][4], int simul)
{
float totmat[4][4];
float tmat[4][4];
float locmat[4][4];
float vec[3];
int ok;
object_to_mat4(ob, locmat);
if (ob->partype & PARSLOW) copy_m4_m4(slowmat, obmat);
switch(ob->partype & PARTYPE) {
case PAROBJECT:
ok= 0;
if (par->type==OB_CURVE) {
if ( ((Curve *)par->data)->flag & CU_PATH ) {
ob_parcurve(scene, ob, par, tmat);
ok= 1;
}
}
if (ok) mul_serie_m4(totmat, par->obmat, tmat,
NULL, NULL, NULL, NULL, NULL, NULL);
else copy_m4_m4(totmat, par->obmat);
break;
case PARBONE:
ob_parbone(ob, par, tmat);
mul_serie_m4(totmat, par->obmat, tmat,
NULL, NULL, NULL, NULL, NULL, NULL);
break;
case PARVERT1:
unit_m4(totmat);
if (simul) {
copy_v3_v3(totmat[3], par->obmat[3]);
}
else {
give_parvert(par, ob->par1, vec);
mul_v3_m4v3(totmat[3], par->obmat, vec);
}
break;
case PARVERT3:
ob_parvert3(ob, par, tmat);
mul_serie_m4(totmat, par->obmat, tmat,
NULL, NULL, NULL, NULL, NULL, NULL);
break;
case PARSKEL:
copy_m4_m4(totmat, par->obmat);
break;
}
// total
mul_serie_m4(tmat, totmat, ob->parentinv,
NULL, NULL, NULL, NULL, NULL, NULL);
mul_serie_m4(obmat, tmat, locmat,
NULL, NULL, NULL, NULL, NULL, NULL);
if (simul) {
}
else {
// external usable originmat
copy_m3_m4(originmat, tmat);
// origin, voor help line
if ( (ob->partype & PARTYPE)==PARSKEL ) {
copy_v3_v3(ob->orig, par->obmat[3]);
}
else {
copy_v3_v3(ob->orig, totmat[3]);
}
}
}
void where_is_object(struct Scene *scene, Object *ob)
{
where_is_object_time(scene, ob, (float)scene->r.cfra);
}
void where_is_object_simul(Scene *scene, Object *ob)
/* was written for the old game engine (until 2.04) */
/* It seems that this function is only called
* for a lamp that is the child of another object */
{
Object *par;
float *fp1, *fp2;
float slowmat[4][4];
float fac1, fac2;
int a;
/* NO TIMEOFFS */
if (ob->parent) {
par= ob->parent;
solve_parenting(scene, ob, par, ob->obmat, slowmat, 1);
if (ob->partype & PARSLOW) {
fac1= (float)(1.0/(1.0+ fabs(ob->sf)));
fac2= 1.0f-fac1;
fp1= ob->obmat[0];
fp2= slowmat[0];
for (a=0; a<16; a++, fp1++, fp2++) {
fp1[0]= fac1*fp1[0] + fac2*fp2[0];
}
}
}
else {
object_to_mat4(ob, ob->obmat);
}
/* solve constraints */
if (ob->constraints.first) {
bConstraintOb *cob;
cob= constraints_make_evalob(scene, ob, NULL, CONSTRAINT_OBTYPE_OBJECT);
solve_constraints(&ob->constraints, cob, (float)scene->r.cfra);
constraints_clear_evalob(cob);
}
}
/* for calculation of the inverse parent transform, only used for editor */
void what_does_parent(Scene *scene, Object *ob, Object *workob)
{
clear_workob(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));
where_is_object(scene, workob);
}
BoundBox *unit_boundbox(void)
{
BoundBox *bb;
float min[3] = {-1.0f,-1.0f,-1.0f}, max[3] = {-1.0f,-1.0f,-1.0f};
bb= MEM_callocN(sizeof(BoundBox), "OB-BoundBox");
boundbox_set_from_min_max(bb, min, max);
return bb;
}
void boundbox_set_from_min_max(BoundBox *bb, float min[3], 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 *object_get_boundbox(Object *ob)
{
BoundBox *bb= NULL;
if (ob->type==OB_MESH) {
bb = mesh_get_bb(ob);
}
else if (ELEM3(ob->type, OB_CURVE, OB_SURF, OB_FONT)) {
bb= ob->bb ? ob->bb : ( (Curve *)ob->data )->bb;
}
else if (ob->type==OB_MBALL) {
bb= ob->bb;
}
return bb;
}
/* used to temporally disable/enable boundbox */
void object_boundbox_flag(Object *ob, int flag, int set)
{
BoundBox *bb= object_get_boundbox(ob);
if (bb) {
if (set) bb->flag |= flag;
else bb->flag &= ~flag;
}
}
void object_get_dimensions(Object *ob, float vec[3])
{
BoundBox *bb = NULL;
bb= object_get_boundbox(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 object_set_dimensions(Object *ob, const float *value)
{
BoundBox *bb = NULL;
bb= object_get_boundbox(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 minmax_object(Object *ob, float min[3], float max[3])
{
BoundBox bb;
float vec[3];
int a;
short change= FALSE;
switch(ob->type) {
case OB_CURVE:
case OB_FONT:
case OB_SURF:
{
Curve *cu= ob->data;
if (cu->bb==NULL) tex_space_curve(cu);
bb= *(cu->bb);
for (a=0; a<8; a++) {
mul_m4_v3(ob->obmat, bb.vec[a]);
DO_MINMAX(bb.vec[a], min, max);
}
change= 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);
DO_MINMAX(vec, min, max);
}
}
}
change= TRUE;
}
break;
case OB_ARMATURE:
if (ob->pose) {
bPoseChannel *pchan;
for (pchan= ob->pose->chanbase.first; pchan; pchan= pchan->next) {
mul_v3_m4v3(vec, ob->obmat, pchan->pose_head);
DO_MINMAX(vec, min, max);
mul_v3_m4v3(vec, ob->obmat, pchan->pose_tail);
DO_MINMAX(vec, min, max);
}
change= TRUE;
}
break;
case OB_MESH:
{
Mesh *me= get_mesh(ob);
if (me) {
bb = *mesh_get_bb(ob);
for (a=0; a<8; a++) {
mul_m4_v3(ob->obmat, bb.vec[a]);
DO_MINMAX(bb.vec[a], min, max);
}
change= TRUE;
}
}
break;
}
if (change == FALSE) {
DO_MINMAX(ob->obmat[3], min, max);
copy_v3_v3(vec, ob->obmat[3]);
add_v3_v3(vec, ob->size);
DO_MINMAX(vec, min, max);
copy_v3_v3(vec, ob->obmat[3]);
sub_v3_v3(vec, ob->size);
DO_MINMAX(vec, min, max);
}
}
int minmax_object_duplis(Scene *scene, Object *ob, float min[3], float max[3])
{
int ok= 0;
if ((ob->transflag & OB_DUPLI)==0) {
return ok;
}
else {
ListBase *lb;
DupliObject *dob;
lb= object_duplilist(scene, ob);
for (dob= lb->first; dob; dob= dob->next) {
if (dob->no_draw == 0) {
BoundBox *bb= object_get_boundbox(dob->ob);
if (bb) {
int i;
for (i=0; i<8; i++) {
float vec[3];
mul_v3_m4v3(vec, dob->mat, bb->vec[i]);
DO_MINMAX(vec, min, max);
}
ok= 1;
}
}
}
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->disp.first) {
DispList *dl;
for (dl=ob->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(v3d, 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(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 *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 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);
}
int 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 0;
if (ob == par) return 1;
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! */
void object_handle_update(Scene *scene, Object *ob)
{
if (ob->recalc & OB_RECALC_ALL) {
/* speed optimization for animation lookups */
if (ob->pose)
make_pose_channels_hash(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 where_is_object 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))
armature_rebuild_pose(ob, ob->data);
}
}
/* XXX new animsys warning: depsgraph tag OB_RECALC_DATA should not skip drivers,
* which is only in where_is_object now */
// XXX: should this case be OB_RECALC_OB instead?
if (ob->recalc & OB_RECALC_ALL) {
if (G.f & G_DEBUG)
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);
mult_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
where_is_object(scene, ob);
}
if (ob->recalc & OB_RECALC_DATA) {
ID *data_id= (ID *)ob->data;
AnimData *adt= BKE_animdata_from_id(data_id);
float ctime= (float)scene->r.cfra; // XXX this is bad...
ListBase pidlist;
PTCacheID *pid;
if (G.f & G_DEBUG)
printf("recalcdata %s\n", ob->id.name+2);
if (adt) {
/* evaluate drivers */
// XXX: for mesh types, should we push this to derivedmesh instead?
BKE_animsys_evaluate_animdata(scene, data_id, adt, ctime, ADT_RECALC_DRIVERS);
}
/* includes all keys and modifiers */
switch(ob->type) {
case OB_MESH:
{
#if 0 // XXX, comment for 2.56a release, background wont set 'scene->customdata_mask'
BMEditMesh *em = (ob == scene->obedit) ? BMEdit_FromObject(ob) : NULL;
BLI_assert((scene->customdata_mask & CD_MASK_BAREMESH) == CD_MASK_BAREMESH);
if (em) {
makeDerivedMesh(scene, ob, em, scene->customdata_mask, 0); /* was CD_MASK_BAREMESH */
}
else {
makeDerivedMesh(scene, ob, NULL, scene->customdata_mask, 0);
}
#else /* ensure CD_MASK_BAREMESH for now */
BMEditMesh *em = (ob == scene->obedit) ? BMEdit_FromObject(ob) : NULL;
uint64_t data_mask= scene->customdata_mask | ob->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);
}
#endif
}
break;
case OB_ARMATURE:
if (ob->id.lib && ob->proxy_from) {
// printf("pose proxy copy, lib ob %s proxy %s\n", ob->id.name, ob->proxy_from->id.name);
copy_pose_result(ob->pose, ob->proxy_from->pose);
}
else {
where_is_pose(scene, ob);
}
break;
case OB_MBALL:
makeDispListMBall(scene, ob);
break;
case OB_CURVE:
case OB_SURF:
case OB_FONT:
makeDispListCurveTypes(scene, ob, 0);
break;
case OB_LATTICE:
lattice_calc_modifiers(scene, ob);
break;
}
if (ob->particlesystem.first) {
ParticleSystem *tpsys, *psys;
DerivedMesh *dm;
ob->transflag &= ~OB_DUPLIPARTS;
psys= ob->particlesystem.first;
while (psys) {
if (psys_check_enabled(ob, psys)) {
/* check use of dupli objects here */
if (psys->part && (psys->part->draw_as == PART_DRAW_REND || G.rendering) &&
((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 (G.rendering && 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;
}
}
/* check if quick cache is needed */
BKE_ptcache_ids_from_object(&pidlist, ob, scene, MAX_DUPLI_RECUR);
for (pid=pidlist.first; pid; pid=pid->next) {
if ((pid->cache->flag & PTCACHE_BAKED)
|| (pid->cache->flag & PTCACHE_QUICK_CACHE)==0)
continue;
if (pid->cache->flag & PTCACHE_OUTDATED || (pid->cache->flag & PTCACHE_SIMULATION_VALID)==0) {
scene->physics_settings.quick_cache_step =
scene->physics_settings.quick_cache_step ?
MIN2(scene->physics_settings.quick_cache_step, pid->cache->step) :
pid->cache->step;
}
}
BLI_freelistN(&pidlist);
}
/* the no-group proxy case, we call update */
if (ob->proxy && ob->proxy_group==NULL) {
/* set pointer in library proxy target, for copying, but restore it */
ob->proxy->proxy_from= ob;
// printf("call update, lib ob %s proxy %s\n", ob->proxy->id.name, ob->id.name);
object_handle_update(scene, ob->proxy);
}
ob->recalc &= ~OB_RECALC_ALL;
}
/* the case when this is a group proxy, object_update is called in group.c */
if (ob->proxy) {
ob->proxy->proxy_from= ob;
// printf("set proxy pointer for later group stuff %s\n", ob->id.name);
}
}
void object_sculpt_modifiers_changed(Object *ob)
{
SculptSession *ss= ob->sculpt;
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) {
BLI_pbvh_free(ss->pbvh);
ss->pbvh= NULL;
}
free_sculptsession_deformMats(ob->sculpt);
}
else {
PBVHNode **nodes;
int n, totnode;
BLI_pbvh_search_gather(ss->pbvh, NULL, NULL, &nodes, &totnode);
for (n = 0; n < totnode; n++)
BLI_pbvh_node_mark_update(nodes[n]);
MEM_freeN(nodes);
}
}
int give_obdata_texspace(Object *ob, short **texflag, float **loc, float **size, float **rot)
{
if (ob->data==NULL)
return 0;
switch (GS(((ID *)ob->data)->name)) {
case ID_ME:
{
Mesh *me= ob->data;
if (texflag) *texflag = &me->texflag;
if (loc) *loc = me->loc;
if (size) *size = me->size;
if (rot) *rot = me->rot;
break;
}
case ID_CU:
{
Curve *cu= ob->data;
if (texflag) *texflag = &cu->texflag;
if (loc) *loc = cu->loc;
if (size) *size = cu->size;
if (rot) *rot = cu->rot;
break;
}
case ID_MB:
{
MetaBall *mb= ob->data;
if (texflag) *texflag = &mb->texflag;
if (loc) *loc = mb->loc;
if (size) *size = mb->size;
if (rot) *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
*/
int ray_hit_boundbox(struct BoundBox *bb, float ray_start[3], float ray_normal[3])
{
static 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}};
int result = 0;
int i;
for (i = 0; i < 12 && result == 0; i++)
{
float lambda;
int v1, v2, v3;
v1 = triangle_indexes[i][0];
v2 = triangle_indexes[i][1];
v3 = triangle_indexes[i][2];
result = isect_ray_tri_v3(ray_start, ray_normal, bb->vec[v1], bb->vec[v2], bb->vec[v3], &lambda, NULL);
}
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 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;
}
#if 0
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 ((int)link->data == index)
return number;
number++;
link= link->next;
}
return -1;
}
void 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);
}
#endif
/* shape key utility function */
/************************* Mesh ************************/
static KeyBlock *insert_meshkey(Scene *scene, Object *ob, const char *name, int from_mix)
{
Mesh *me= ob->data;
Key *key= me->key;
KeyBlock *kb;
int newkey= 0;
if (key == NULL) {
key= me->key= add_key((ID *)me);
key->type= KEY_RELATIVE;
newkey= 1;
}
if (newkey || from_mix==FALSE) {
/* create from mesh */
kb= add_keyblock(key, name);
mesh_to_key(me, kb);
}
else {
/* copy from current values */
float *data= do_ob_key(scene, ob);
/* create new block with prepared data */
kb= add_keyblock(key, name);
kb->data= data;
kb->totelem= me->totvert;
}
return kb;
}
/************************* Lattice ************************/
static KeyBlock *insert_lattkey(Scene *scene, Object *ob, const char *name, int from_mix)
{
Lattice *lt= ob->data;
Key *key= lt->key;
KeyBlock *kb;
int newkey= 0;
if (key==NULL) {
key= lt->key= add_key( (ID *)lt);
key->type= KEY_RELATIVE;
newkey= 1;
}
if (newkey || from_mix==FALSE) {
kb= add_keyblock(key, name);
if (!newkey) {
KeyBlock *basekb= (KeyBlock *)key->block.first;
kb->data= MEM_dupallocN(basekb->data);
kb->totelem= basekb->totelem;
}
else {
latt_to_key(lt, kb);
}
}
else {
/* copy from current values */
float *data= do_ob_key(scene, ob);
/* create new block with prepared data */
kb= add_keyblock(key, name);
kb->totelem= lt->pntsu*lt->pntsv*lt->pntsw;
kb->data= data;
}
return kb;
}
/************************* Curve ************************/
static KeyBlock *insert_curvekey(Scene *scene, Object *ob, const char *name, int from_mix)
{
Curve *cu= ob->data;
Key *key= cu->key;
KeyBlock *kb;
ListBase *lb= BKE_curve_nurbs(cu);
int newkey= 0;
if (key==NULL) {
key= cu->key= add_key( (ID *)cu);
key->type = KEY_RELATIVE;
newkey= 1;
}
if (newkey || from_mix==FALSE) {
/* create from curve */
kb= add_keyblock(key, name);
if (!newkey) {
KeyBlock *basekb= (KeyBlock *)key->block.first;
kb->data= MEM_dupallocN(basekb->data);
kb->totelem= basekb->totelem;
}
else {
curve_to_key(cu, kb, lb);
}
}
else {
/* copy from current values */
float *data= do_ob_key(scene, ob);
/* create new block with prepared data */
kb= add_keyblock(key, name);
kb->totelem= count_curveverts(lb);
kb->data= data;
}
return kb;
}
KeyBlock *object_insert_shape_key(Scene *scene, Object *ob, const char *name, int 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;
}
}
/* most important if this is modified it should _always_ return True, in certain
* cases false positives are hard to avoid (shape keys for eg)
*/
int object_is_modified(Scene *scene, Object *ob)
{
int flag= 0;
if (ob_get_key(ob)) {
flag |= eModifierMode_Render;
}
else {
ModifierData *md;
/* cloth */
for (md=modifiers_getVirtualModifierList(ob);
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;
}
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 object_relink(Object *ob)
{
if (ob->id.lib)
return;
relink_constraints(&ob->constraints);
if (ob->pose) {
bPoseChannel *chan;
for (chan = ob->pose->chanbase.first; chan; chan=chan->next) {
relink_constraints(&chan->constraints);
}
}
modifiers_foreachIDLink(ob, copy_object__forwardModifierLinks, NULL);
if (ob->adt)
BKE_relink_animdata(ob->adt);
ID_NEW(ob->parent);
ID_NEW(ob->proxy);
ID_NEW(ob->proxy_group);
}
MovieClip *object_get_movieclip(Scene *scene, Object *ob, int 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;
}
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