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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_collection_types.h"
#include "DNA_constraint_types.h"
#include "DNA_gpencil_types.h"
#include "DNA_gpencil_modifier_types.h"
#include "DNA_key_types.h"
#include "DNA_lamp_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_shader_fx_types.h"
#include "DNA_smoke_types.h"
#include "DNA_space_types.h"
#include "DNA_view3d_types.h"
#include "DNA_world_types.h"
#include "DNA_object_types.h"
#include "DNA_lightprobe_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 "BLT_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_deform.h"
#include "BKE_DerivedMesh.h"
#include "BKE_animsys.h"
#include "BKE_anim.h"
#include "BKE_collection.h"
#include "BKE_constraint.h"
#include "BKE_curve.h"
#include "BKE_displist.h"
#include "BKE_effect.h"
#include "BKE_fcurve.h"
#include "BKE_gpencil_modifier.h"
#include "BKE_icons.h"
#include "BKE_key.h"
#include "BKE_lamp.h"
#include "BKE_layer.h"
#include "BKE_lattice.h"
#include "BKE_library.h"
#include "BKE_library_query.h"
#include "BKE_library_remap.h"
#include "BKE_linestyle.h"
#include "BKE_mesh.h"
#include "BKE_editmesh.h"
#include "BKE_mball.h"
#include "BKE_modifier.h"
#include "BKE_multires.h"
#include "BKE_node.h"
#include "BKE_object.h"
#include "BKE_object_facemap.h"
#include "BKE_paint.h"
#include "BKE_particle.h"
#include "BKE_pointcache.h"
#include "BKE_lightprobe.h"
#include "BKE_rigidbody.h"
#include "BKE_scene.h"
#include "BKE_sequencer.h"
#include "BKE_shader_fx.h"
#include "BKE_speaker.h"
#include "BKE_softbody.h"
#include "BKE_subsurf.h"
#include "BKE_subdiv_ccg.h"
#include "BKE_material.h"
#include "BKE_camera.h"
#include "BKE_image.h"
#include "BKE_gpencil.h"
#include "DEG_depsgraph.h"
#include "DEG_depsgraph_query.h"
#include "DRW_engine.h"
#ifdef WITH_MOD_FLUID
#include "LBM_fluidsim.h"
#endif
#ifdef WITH_PYTHON
#include "BPY_extern.h"
#endif
#include "CCGSubSurf.h"
#include "atomic_ops.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_free_particlesystems(Object *ob)
{
ParticleSystem *psys;
while ((psys = BLI_pophead(&ob->particlesystem))) {
psys_free(ob, psys);
}
}
void BKE_object_free_softbody(Object *ob)
{
sbFree(ob);
}
void BKE_object_free_curve_cache(Object *ob)
{
if (ob->runtime.curve_cache) {
BKE_displist_free(&ob->runtime.curve_cache->disp);
BKE_curve_bevelList_free(&ob->runtime.curve_cache->bev);
if (ob->runtime.curve_cache->path) {
free_path(ob->runtime.curve_cache->path);
}
BKE_nurbList_free(&ob->runtime.curve_cache->deformed_nurbs);
MEM_freeN(ob->runtime.curve_cache);
ob->runtime.curve_cache = NULL;
}
}
void BKE_object_free_modifiers(Object *ob, const int flag)
{
ModifierData *md;
GpencilModifierData *gp_md;
while ((md = BLI_pophead(&ob->modifiers))) {
modifier_free_ex(md, flag);
}
while ((gp_md = BLI_pophead(&ob->greasepencil_modifiers))) {
BKE_gpencil_modifier_free_ex(gp_md, flag);
}
/* particle modifiers were freed, so free the particlesystems as well */
BKE_object_free_particlesystems(ob);
/* same for softbody */
BKE_object_free_softbody(ob);
/* modifiers may have stored data in the DM cache */
BKE_object_free_derived_caches(ob);
}
void BKE_object_free_shaderfx(Object *ob, const int flag)
{
ShaderFxData *fx;
while ((fx = BLI_pophead(&ob->shader_fx))) {
BKE_shaderfx_free_ex(fx, flag);
}
}
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);
}
}
}
void BKE_object_modifier_gpencil_hook_reset(Object *ob, HookGpencilModifierData *hmd)
{
if (hmd->object == NULL) {
return;
}
/* reset functionality */
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(const Object *ob, int modifier_type)
{
const ModifierTypeInfo *mti;
mti = modifierType_getInfo(modifier_type);
/* only geometry objects should be able to get modifiers [#25291] */
if (!ELEM(ob->type, OB_MESH, OB_CURVE, OB_SURF, OB_FONT, OB_LATTICE)) {
return false;
}
if (ob->type == OB_LATTICE && (mti->flags & eModifierTypeFlag_AcceptsLattice) == 0) {
return false;
}
if (!((mti->flags & eModifierTypeFlag_AcceptsCVs) ||
(ob->type == OB_MESH && (mti->flags & eModifierTypeFlag_AcceptsMesh))))
{
return false;
}
return true;
}
void BKE_object_link_modifiers(Scene *scene, struct Object *ob_dst, const struct Object *ob_src)
{
ModifierData *md;
BKE_object_free_modifiers(ob_dst, 0);
if (!ELEM(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 (ELEM(md->type,
eModifierType_Hook,
eModifierType_Collision))
{
continue;
}
if (!BKE_object_support_modifier_type_check(ob_dst, md->type))
continue;
switch (md->type) {
case eModifierType_Softbody:
BKE_object_copy_softbody(ob_dst, ob_src, 0);
break;
case eModifierType_Skin:
/* ensure skin-node customdata exists */
BKE_mesh_ensure_skin_customdata(ob_dst->data);
break;
}
nmd = modifier_new(md->type);
BLI_strncpy(nmd->name, md->name, sizeof(nmd->name));
if (md->type == eModifierType_Multires) {
/* Has to be done after mod creation, but *before* we actually copy its settings! */
multiresModifier_sync_levels_ex(scene, ob_dst, (MultiresModifierData *)md, (MultiresModifierData *)nmd);
}
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, 0);
/* TODO: smoke?, cloth? */
}
/* Copy CCG related data. Used to sync copy of mesh with reshaped original
* mesh.
*/
static void copy_ccg_data(Mesh *mesh_destination,
Mesh *mesh_source,
int layer_type)
{
BLI_assert(mesh_destination->totloop == mesh_source->totloop);
CustomData *data_destination = &mesh_destination->ldata;
CustomData *data_source = &mesh_source->ldata;
const int num_elements = mesh_source->totloop;
if (!CustomData_has_layer(data_source, layer_type)) {
return;
}
const int layer_index = CustomData_get_layer_index(
data_destination, layer_type);
CustomData_free_layer(
data_destination, layer_type, num_elements, layer_index);
BLI_assert(!CustomData_has_layer(data_destination, layer_type));
CustomData_add_layer(
data_destination, layer_type, CD_CALLOC, NULL, num_elements);
BLI_assert(CustomData_has_layer(data_destination, layer_type));
CustomData_copy_layer_type_data(data_source, data_destination,
layer_type, 0, 0, num_elements);
}
static void object_update_from_subsurf_ccg(Object *object)
{
/* Currently CCG is only created for Mesh objects. */
if (object->type != OB_MESH) {
return;
}
/* Object was never evaluated, so can not have CCG subdivision surface. */
Mesh *mesh_eval = object->runtime.mesh_eval;
if (mesh_eval == NULL) {
return;
}
SubdivCCG *subdiv_ccg = mesh_eval->runtime.subdiv_ccg;
if (subdiv_ccg == NULL) {
return;
}
/* Check whether there is anything to be reshaped. */
if (!subdiv_ccg->dirty.coords && !subdiv_ccg->dirty.hidden) {
return;
}
const int tot_level = mesh_eval->runtime.subdiv_ccg_tot_level;
Object *object_orig = DEG_get_original_object(object);
Mesh *mesh_orig = (Mesh *)object_orig->data;
multiresModifier_reshapeFromCCG(tot_level, mesh_orig, subdiv_ccg);
/* NOTE: we need to reshape into an original mesh from main database,
* allowing:
*
* - Update copies of that mesh at any moment.
* - Save the file without doing extra reshape.
* - All the users of the mesh have updated displacement.
*
* However, the tricky part here is that we only know about sculpted
* state of a mesh on an object level, and object is being updated after
* mesh datablock is updated. This forces us to:
*
* - Update mesh datablock from object evaluation, which is technically
* forbidden, but there is no other place for this yet.
* - Reshape to the original mesh from main database, and then copy updated
* layer to copy of that mesh (since copy of the mesh has decoupled
* custom data layers).
*
* All this is defeating all the designs we need to follow to allow safe
* threaded evaluation, but this is as good as we can make it within the
* current sculpt//evaluated mesh design. This is also how we've survived
* with old DerivedMesh based solutions. So, while this is all wrong and
* needs reconsideration, doesn't seem to be a big stopper for real
* production artists.
*/
/* TODO(sergey): Solve this somehow, to be fully stable for threaded
* evaluation environment.
*/
/* NOTE: runtime.mesh_orig is what was before assigning mesh_eval,
* it is orig as in what was in object_eval->data before evaluating
* modifier stack.
*
* mesh_cow is a copy-on-written version od object_orig->data.
*/
Mesh *mesh_cow = object->runtime.mesh_orig;
copy_ccg_data(mesh_cow, mesh_orig, CD_MDISPS);
copy_ccg_data(mesh_cow, mesh_orig, CD_GRID_PAINT_MASK);
}
/* 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.
*
* NOTE: This function can be called from threads on different objects
* sharing same data datablock. So we need to ensure atomic nature of
* data modification here.
*/
if (ob->type == OB_MESH) {
Mesh *me = ob->data;
if (me && me->bb) {
atomic_fetch_and_or_int32(&me->bb->flag, BOUNDBOX_DIRTY);
}
}
else if (ELEM(ob->type, OB_SURF, OB_CURVE, OB_FONT)) {
Curve *cu = ob->data;
if (cu && cu->bb) {
atomic_fetch_and_or_int32(&cu->bb->flag, BOUNDBOX_DIRTY);
}
}
if (ob->bb) {
MEM_freeN(ob->bb);
ob->bb = NULL;
}
object_update_from_subsurf_ccg(ob);
BKE_object_free_derived_mesh_caches(ob);
BKE_armature_cached_bbone_deformation_free(ob);
if (ob->runtime.mesh_eval != NULL) {
Mesh *mesh_eval = ob->runtime.mesh_eval;
/* Restore initial pointer. */
if (ob->data == mesh_eval) {
ob->data = ob->runtime.mesh_orig;
}
/* Evaluated mesh points to edit mesh, but does not own it. */
mesh_eval->edit_btmesh = NULL;
BKE_mesh_free(mesh_eval);
BKE_libblock_free_data(&mesh_eval->id, false);
MEM_freeN(mesh_eval);
ob->runtime.mesh_eval = NULL;
}
if (ob->runtime.mesh_deform_eval != NULL) {
Mesh *mesh_deform_eval = ob->runtime.mesh_deform_eval;
BKE_mesh_free(mesh_deform_eval);
BKE_libblock_free_data(&mesh_deform_eval->id, false);
MEM_freeN(mesh_deform_eval);
ob->runtime.mesh_deform_eval = NULL;
}
BKE_object_free_curve_cache(ob);
/* clear grease pencil data */
DRW_gpencil_freecache(ob);
}
void BKE_object_free_derived_mesh_caches(struct Object *ob)
{
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;
}
}
void BKE_object_free_caches(Object *object)
{
ModifierData *md;
short update_flag = 0;
/* Free particle system caches holding paths. */
if (object->particlesystem.first) {
ParticleSystem *psys;
for (psys = object->particlesystem.first;
psys != NULL;
psys = psys->next)
{
psys_free_path_cache(psys, psys->edit);
update_flag |= PSYS_RECALC_REDO;
}
}
/* Free memory used by cached derived meshes in the particle system modifiers. */
for (md = object->modifiers.first; md != NULL; md = md->next) {
if (md->type == eModifierType_ParticleSystem) {
ParticleSystemModifierData *psmd = (ParticleSystemModifierData *) md;
if (psmd->mesh_final) {
BKE_id_free(NULL, psmd->mesh_final);
psmd->mesh_final = NULL;
if (psmd->mesh_original) {
BKE_id_free(NULL, psmd->mesh_original);
psmd->mesh_original = NULL;
}
psmd->flag |= eParticleSystemFlag_file_loaded;
update_flag |= OB_RECALC_DATA;
}
}
}
/* NOTE: If object is coming from a duplicator, it might be a temporary
* object created by dependency graph, which shares pointers with original
* object. In this case we can not free anything.
*/
if ((object->base_flag & BASE_FROMDUPLI) == 0) {
BKE_object_free_derived_caches(object);
update_flag |= OB_RECALC_DATA;
}
/* Tag object for update, so once memory critical operation is over and
* scene update routines are back to it's business the object will be
* guaranteed to be in a known state.
*/
if (update_flag != 0) {
DEG_id_tag_update(&object->id, update_flag);
}
}
/** Free (or release) any data used by this object (does not free the object itself). */
void BKE_object_free(Object *ob)
{
BKE_animdata_free((ID *)ob, false);
DRW_drawdata_free((ID *)ob);
/* BKE_<id>_free shall never touch to ID->us. Never ever. */
BKE_object_free_modifiers(ob, LIB_ID_CREATE_NO_USER_REFCOUNT);
BKE_object_free_shaderfx(ob, LIB_ID_CREATE_NO_USER_REFCOUNT);
MEM_SAFE_FREE(ob->mat);
MEM_SAFE_FREE(ob->matbits);
MEM_SAFE_FREE(ob->iuser);
MEM_SAFE_FREE(ob->bb);
BLI_freelistN(&ob->defbase);
BLI_freelistN(&ob->fmaps);
if (ob->pose) {
BKE_pose_free_ex(ob->pose, false);
ob->pose = NULL;
}
if (ob->mpath) {
animviz_free_motionpath(ob->mpath);
ob->mpath = NULL;
}
BKE_constraints_free_ex(&ob->constraints, false);
free_partdeflect(ob->pd);
BKE_rigidbody_free_object(ob, NULL);
BKE_rigidbody_free_constraint(ob);
sbFree(ob);
BKE_sculptsession_free(ob);
BLI_freelistN(&ob->pc_ids);
BLI_freelistN(&ob->lodlevels);
/* Free runtime curves data. */
if (ob->runtime.curve_cache) {
BKE_curve_bevelList_free(&ob->runtime.curve_cache->bev);
if (ob->runtime.curve_cache->path)
free_path(ob->runtime.curve_cache->path);
MEM_freeN(ob->runtime.curve_cache);
ob->runtime.curve_cache = NULL;
}
BKE_previewimg_free(&ob->preview);
}
/* actual check for internal data, not context or flags */
bool BKE_object_is_in_editmode(const Object *ob)
{
if (ob->data == NULL) {
return false;
}
switch (ob->type) {
case OB_MESH:
return ((Mesh *)ob->data)->edit_btmesh != NULL;
case OB_ARMATURE:
return ((bArmature *)ob->data)->edbo != NULL;
case OB_FONT:
return ((Curve *)ob->data)->editfont != NULL;
case OB_MBALL:
return ((MetaBall *)ob->data)->editelems != NULL;
case OB_LATTICE:
return ((Lattice *)ob->data)->editlatt != NULL;
case OB_SURF:
case OB_CURVE:
return ((Curve *)ob->data)->editnurb != NULL;
default:
return false;
}
}
bool BKE_object_is_in_editmode_vgroup(const Object *ob)
{
return (OB_TYPE_SUPPORT_VGROUP(ob->type) &&
BKE_object_is_in_editmode(ob));
}
bool BKE_object_data_is_in_editmode(const ID *id)
{
const short type = GS(id->name);
BLI_assert(OB_DATA_SUPPORT_EDITMODE(type));
switch (type) {
case ID_ME:
return ((const Mesh *)id)->edit_btmesh != NULL;
case ID_CU:
return (
(((const Curve *)id)->editnurb != NULL) ||
(((const Curve *)id)->editfont != NULL)
);
case ID_MB:
return ((const MetaBall *)id)->editelems != NULL;
case ID_LT:
return ((const Lattice *)id)->editlatt != NULL;
case ID_AR:
return ((const bArmature *)id)->edbo != NULL;
default:
BLI_assert(0);
return false;
}
}
bool BKE_object_is_in_wpaint_select_vert(const 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_has_mode_data(const struct Object *ob, eObjectMode object_mode)
{
if (object_mode & OB_MODE_EDIT) {
if (BKE_object_is_in_editmode(ob)) {
return true;
}
}
else if (object_mode & OB_MODE_VERTEX_PAINT) {
if (ob->sculpt && (ob->sculpt->mode_type == OB_MODE_VERTEX_PAINT)) {
return true;
}
}
else if (object_mode & OB_MODE_WEIGHT_PAINT) {
if (ob->sculpt && (ob->sculpt->mode_type == OB_MODE_WEIGHT_PAINT)) {
return true;
}
}
else if (object_mode & OB_MODE_SCULPT) {
if (ob->sculpt && (ob->sculpt->mode_type == OB_MODE_SCULPT)) {
return true;
}
}
else if (object_mode & OB_MODE_POSE) {
if (ob->pose != NULL) {
return true;
}
}
return false;
}
bool BKE_object_is_mode_compat(const struct Object *ob, eObjectMode object_mode)
{
return ((ob->mode == object_mode) ||
(ob->mode & object_mode) != 0);
}
/**
* Return if the object is visible, as evaluated by depsgraph
*/
bool BKE_object_is_visible(const Object *ob, const eObjectVisibilityCheck mode)
{
if ((ob->base_flag & BASE_VISIBLE) == 0) {
return false;
}
if (mode == OB_VISIBILITY_CHECK_UNKNOWN_RENDER_MODE) {
return true;
}
if (((ob->transflag & OB_DUPLI) == 0) &&
(ob->particlesystem.first == NULL))
{
return true;
}
switch (mode) {
case OB_VISIBILITY_CHECK_FOR_VIEWPORT:
return ((ob->duplicator_visibility_flag & OB_DUPLI_FLAG_VIEWPORT) != 0);
case OB_VISIBILITY_CHECK_FOR_RENDER:
return ((ob->duplicator_visibility_flag & OB_DUPLI_FLAG_RENDER) != 0);
default:
BLI_assert(!"Object visible test mode not supported.");
return false;
}
}
bool BKE_object_exists_check(Main *bmain, const Object *obtest)
{
Object *ob;
if (obtest == NULL) return false;
ob = bmain->object.first;
while (ob) {
if (ob == obtest) return true;
ob = ob->id.next;
}
return false;
}
/* *************************************************** */
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_("Light");
case OB_LATTICE: return DATA_("Lattice");
case OB_ARMATURE: return DATA_("Armature");
case OB_SPEAKER: return DATA_("Speaker");
case OB_EMPTY: return DATA_("Empty");
case OB_GPENCIL: return DATA_("GPencil");
default:
printf("get_obdata_defname: Internal error, bad type: %d\n", type);
return DATA_("Empty");
}
}
void *BKE_object_obdata_add_from_type(Main *bmain, int type, const char *name)
{
if (name == NULL) {
name = get_obdata_defname(type);
}
switch (type) {
case OB_MESH: return BKE_mesh_add(bmain, name);
case OB_CURVE: return BKE_curve_add(bmain, name, OB_CURVE);
case OB_SURF: return BKE_curve_add(bmain, name, OB_SURF);
case OB_FONT: return BKE_curve_add(bmain, name, OB_FONT);
case OB_MBALL: return BKE_mball_add(bmain, name);
case OB_CAMERA: return BKE_camera_add(bmain, name);
case OB_LAMP: return BKE_lamp_add(bmain, name);
case OB_LATTICE: return BKE_lattice_add(bmain, name);
case OB_ARMATURE: return BKE_armature_add(bmain, name);
case OB_SPEAKER: return BKE_speaker_add(bmain, name);
case OB_LIGHTPROBE:return BKE_lightprobe_add(bmain, name);
case OB_GPENCIL: return BKE_gpencil_data_addnew(bmain, name);
case OB_EMPTY: return NULL;
default:
printf("%s: Internal error, bad type: %d\n", __func__, type);
return NULL;
}
}
void BKE_object_init(Object *ob)
{
/* BLI_assert(MEMCMP_STRUCT_OFS_IS_ZERO(ob, id)); */ /* ob->type is already initialized... */
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;
ob->empty_image_depth = OB_EMPTY_IMAGE_DEPTH_DEFAULT;
ob->empty_image_visibility_flag = (
OB_EMPTY_IMAGE_VISIBLE_PERSPECTIVE |
OB_EMPTY_IMAGE_VISIBLE_ORTHOGRAPHIC |
OB_EMPTY_IMAGE_VISIBLE_BACKSIDE);
if (ob->type == OB_EMPTY) {
copy_v2_fl(ob->ima_ofs, -0.5f);
}
if (ELEM(ob->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;
ob->col_group = 0x01;
ob->col_mask = 0xffff;
ob->preview = NULL;
ob->duplicator_visibility_flag = OB_DUPLI_FLAG_VIEWPORT | OB_DUPLI_FLAG_RENDER;
/* NT fluid sim defaults */
ob->fluidsimSettings = NULL;
BLI_listbase_clear(&ob->pc_ids);
/* Animation Visualization defaults */
animviz_settings_init(&ob->avs);
ob->display.flag = OB_SHOW_SHADOW;
}
/* 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, 0);
/* We increase object user count when linking to Collections. */
id_us_min(&ob->id);
/* default object vars */
ob->type = type;
BKE_object_init(ob);
return ob;
}
static Object *object_add_common(Main *bmain, ViewLayer *view_layer, int type, const char *name)
{
Object *ob;
ob = BKE_object_add_only_object(bmain, type, name);
ob->data = BKE_object_obdata_add_from_type(bmain, type, name);
BKE_view_layer_base_deselect_all(view_layer);
DEG_id_tag_update_ex(bmain, &ob->id, OB_RECALC_OB | OB_RECALC_DATA | OB_RECALC_TIME);
return ob;
}
/**
* General add: to scene, with layer from area and default name
*
* Object is added to the active Collection.
* If there is no linked collection to the active ViewLayer we create a new one.
*/
/* creates minimum required data, but without vertices etc. */
Object *BKE_object_add(
Main *bmain, Scene *UNUSED(scene), ViewLayer *view_layer,
int type, const char *name)
{
Object *ob;
Base *base;
LayerCollection *layer_collection;
ob = object_add_common(bmain, view_layer, type, name);
layer_collection = BKE_layer_collection_get_active(view_layer);
BKE_collection_object_add(bmain, layer_collection->collection, ob);
base = BKE_view_layer_base_find(view_layer, ob);
BKE_view_layer_base_select_and_set_active(view_layer, base);
return ob;
}
/**
* Add a new object, using another one as a reference
*
* \param ob_src object to use to determine the collections of the new object.
*/
Object *BKE_object_add_from(
Main *bmain, Scene *scene, ViewLayer *view_layer,
int type, const char *name, Object *ob_src)
{
Object *ob;
Base *base;
ob = object_add_common(bmain, view_layer, type, name);
BKE_collection_object_add_from(bmain, scene, ob_src, ob);
base = BKE_view_layer_base_find(view_layer, ob);
BKE_view_layer_base_select_and_set_active(view_layer, base);
return ob;
}
/**
* Add a new object, but assign the given datablock as the ob->data
* for the newly created object.
*
* \param data The datablock to assign as ob->data for the new object.
* This is assumed to be of the correct type.
* \param do_id_user If true, id_us_plus() will be called on data when
* assigning it to the object.
*/
Object *BKE_object_add_for_data(
Main *bmain, ViewLayer *view_layer,
int type, const char *name, ID *data, bool do_id_user)
{
Object *ob;
Base *base;
LayerCollection *layer_collection;
/* same as object_add_common, except we don't create new ob->data */
ob = BKE_object_add_only_object(bmain, type, name);
ob->data = data;
if (do_id_user) id_us_plus(data);
BKE_view_layer_base_deselect_all(view_layer);
DEG_id_tag_update_ex(bmain, &ob->id, OB_RECALC_OB | OB_RECALC_DATA | OB_RECALC_TIME);
layer_collection = BKE_layer_collection_get_active(view_layer);
BKE_collection_object_add(bmain, layer_collection->collection, ob);
base = BKE_view_layer_base_find(view_layer, ob);
BKE_view_layer_base_select_and_set_active(view_layer, base);
return ob;
}
void BKE_object_copy_softbody(struct Object *ob_dst, const struct Object *ob_src, const int flag)
{
SoftBody *sb = ob_src->soft;
SoftBody *sbn;
bool tagged_no_main = ob_dst->id.tag & LIB_TAG_NO_MAIN;
ob_dst->softflag = ob_src->softflag;
if (sb == NULL) {
ob_dst->soft = NULL;
return;
}
sbn = MEM_dupallocN(sb);
if ((flag & LIB_ID_COPY_CACHES) == 0) {
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;
if (tagged_no_main == 0) {
sbn->shared = MEM_dupallocN(sb->shared);
sbn->shared->pointcache = BKE_ptcache_copy_list(&sbn->shared->ptcaches, &sb->shared->ptcaches, flag);
}
if (sb->effector_weights)
sbn->effector_weights = MEM_dupallocN(sb->effector_weights);
ob_dst->soft = sbn;
}
ParticleSystem *BKE_object_copy_particlesystem(ParticleSystem *psys, const int flag)
{
ParticleSystem *psysn = MEM_dupallocN(psys);
psys_copy_particles(psysn, psys);
if (psys->clmd) {
psysn->clmd = (ClothModifierData *)modifier_new(eModifierType_Cloth);
modifier_copyData_ex((ModifierData *)psys->clmd, (ModifierData *)psysn->clmd, flag);
psys->hair_in_mesh = psys->hair_out_mesh = 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;
psysn->batch_cache = NULL;
BLI_listbase_clear(&psysn->pathcachebufs);
BLI_listbase_clear(&psysn->childcachebufs);
if (flag & LIB_ID_CREATE_NO_MAIN) {
BLI_assert((psys->flag & PSYS_SHARED_CACHES) == 0);
psysn->flag |= PSYS_SHARED_CACHES;
BLI_assert(psysn->pointcache != NULL);
}
else {
psysn->pointcache = BKE_ptcache_copy_list(&psysn->ptcaches, &psys->ptcaches, flag);
}
/* 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;
}
if ((flag & LIB_ID_CREATE_NO_USER_REFCOUNT) == 0) {
id_us_plus((ID *)psysn->part);
}
return psysn;
}
void BKE_object_copy_particlesystems(Object *ob_dst, const Object *ob_src, const int flag)
{
ParticleSystem *psys, *npsys;
ModifierData *md;
if (ob_dst->type != OB_MESH) {
/* currently only mesh objects can have soft body */
return;
}
BLI_listbase_clear(&ob_dst->particlesystem);
for (psys = ob_src->particlesystem.first; psys; psys = psys->next) {
npsys = BKE_object_copy_particlesystem(psys, flag);
BLI_addtail(&ob_dst->particlesystem, npsys);
/* need to update particle modifiers too */
for (md = ob_dst->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;
}
}
}
}
}
}
static void copy_object_pose(Object *obn, const Object *ob, const int flag)
{
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_ex(&obn->pose, ob->pose, flag, true); /* true = copy constraints */
for (chan = obn->pose->chanbase.first; chan; chan = chan->next) {
bConstraint *con;
chan->flag &= ~(POSE_LOC | POSE_ROT | POSE_SIZE);
/* XXX Remapping object pointing onto itself should be handled by generic BKE_library_remap stuff, but...
* the flush_constraint_targets callback am not sure about, so will delay that for now. */
for (con = chan->constraints.first; con; con = con->next) {
const bConstraintTypeInfo *cti = BKE_constraint_typeinfo_get(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, const Object *ob, const int UNUSED(flag))
{
BLI_duplicatelist(&obn->lodlevels, &ob->lodlevels);
obn->currentlod = (LodLevel *)obn->lodlevels.first;
}
bool BKE_object_pose_context_check(const Object *ob)
{
if ((ob) &&
(ob->type == OB_ARMATURE) &&
(ob->pose) &&
(ob->mode & OB_MODE_POSE))
{
return true;
}
else {
return false;
}
}
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);
/* Only use selected check when non-active. */
if (BKE_object_pose_context_check(ob))
return ob;
return NULL;
}
Object *BKE_object_pose_armature_get_visible(Object *ob, ViewLayer *view_layer, View3D *v3d)
{
Object *ob_armature = BKE_object_pose_armature_get(ob);
if (ob_armature) {
Base *base = BKE_view_layer_base_find(view_layer, ob_armature);
if (base) {
if (BASE_VISIBLE(v3d, base)) {
return ob_armature;
}
}
}
return NULL;
}
/**
* Access pose array with special check to get pose object when in weight paint mode.
*/
Object **BKE_object_pose_array_get_ex(ViewLayer *view_layer, View3D *v3d, uint *r_objects_len, bool unique)
{
Object *ob_active = OBACT(view_layer);
Object *ob_pose = BKE_object_pose_armature_get(ob_active);
Object **objects = NULL;
if (ob_pose == ob_active) {
objects = BKE_view_layer_array_from_objects_in_mode(
view_layer, v3d, r_objects_len, {
.object_mode = OB_MODE_POSE,
.no_dup_data = unique});
}
else if (ob_pose != NULL) {
*r_objects_len = 1;
objects = MEM_mallocN(sizeof(*objects), __func__);
objects[0] = ob_pose;
}
else {
*r_objects_len = 0;
objects = MEM_mallocN(0, __func__);
}
return objects;
}
Object **BKE_object_pose_array_get_unique(ViewLayer *view_layer, View3D *v3d, uint *r_objects_len)
{
return BKE_object_pose_array_get_ex(view_layer, v3d, r_objects_len, true);
}
Object **BKE_object_pose_array_get(ViewLayer *view_layer, View3D *v3d, uint *r_objects_len)
{
return BKE_object_pose_array_get_ex(view_layer, v3d, r_objects_len, false);
}
Base **BKE_object_pose_base_array_get_ex(ViewLayer *view_layer, View3D *v3d, uint *r_bases_len, bool unique)
{
Base *base_active = BASACT(view_layer);
Object *ob_pose = base_active ? BKE_object_pose_armature_get(base_active->object) : NULL;
Base *base_pose = NULL;
Base **bases = NULL;
if (base_active) {
if (ob_pose == base_active->object) {
base_pose = base_active;
}
else {
base_pose = BKE_view_layer_base_find(view_layer, ob_pose);
}
}
if (base_active && (base_pose == base_active)) {
bases = BKE_view_layer_array_from_bases_in_mode(
view_layer, v3d, r_bases_len, {
.object_mode = OB_MODE_POSE,
.no_dup_data = unique});
}
else if (base_pose != NULL) {
*r_bases_len = 1;
bases = MEM_mallocN(sizeof(*bases), __func__);
bases[0] = base_pose;
}
else {
*r_bases_len = 0;
bases = MEM_mallocN(0, __func__);
}
return bases;
}
Base **BKE_object_pose_base_array_get_unique(ViewLayer *view_layer, View3D *v3d, uint *r_bases_len)
{
return BKE_object_pose_base_array_get_ex(view_layer, v3d, r_bases_len, true);
}
Base **BKE_object_pose_base_array_get(ViewLayer *view_layer, View3D *v3d, uint *r_bases_len)
{
return BKE_object_pose_base_array_get_ex(view_layer, v3d, r_bases_len, false);
}
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);
}
/**
* Only copy internal data of Object ID from source to already allocated/initialized destination.
* You probably nerver want to use that directly, use id_copy or BKE_id_copy_ex for typical needs.
*
* WARNING! This function will not handle ID user count!
*
* \param flag Copying options (see BKE_library.h's LIB_ID_COPY_... flags for more).
*/
void BKE_object_copy_data(Main *bmain, Object *ob_dst, const Object *ob_src, const int flag)
{
ModifierData *md;
GpencilModifierData *gmd;
ShaderFxData *fx;
/* Do not copy runtime data. */
BKE_object_runtime_reset(ob_dst);
/* We never handle usercount here for own data. */
const int flag_subdata = flag | LIB_ID_CREATE_NO_USER_REFCOUNT;
if (ob_src->totcol) {
ob_dst->mat = MEM_dupallocN(ob_src->mat);
ob_dst->matbits = MEM_dupallocN(ob_src->matbits);
ob_dst->totcol = ob_src->totcol;
}
else if (ob_dst->mat != NULL || ob_dst->matbits != NULL) {
/* This shall not be needed, but better be safe than sorry. */
BLI_assert(!"Object copy: non-NULL material pointers with zero counter, should not happen.");
ob_dst->mat = NULL;
ob_dst->matbits = NULL;
}
if (ob_src->iuser) ob_dst->iuser = MEM_dupallocN(ob_src->iuser);
if (ob_src->bb) ob_dst->bb = MEM_dupallocN(ob_src->bb);
BLI_listbase_clear(&ob_dst->modifiers);
for (md = ob_src->modifiers.first; md; md = md->next) {
ModifierData *nmd = modifier_new(md->type);
BLI_strncpy(nmd->name, md->name, sizeof(nmd->name));
modifier_copyData_ex(md, nmd, flag_subdata);
BLI_addtail(&ob_dst->modifiers, nmd);
}
BLI_listbase_clear(&ob_dst->greasepencil_modifiers);
for (gmd = ob_src->greasepencil_modifiers.first; gmd; gmd = gmd->next) {
GpencilModifierData *nmd = BKE_gpencil_modifier_new(gmd->type);
BLI_strncpy(nmd->name, gmd->name, sizeof(nmd->name));
BKE_gpencil_modifier_copyData_ex(gmd, nmd, flag_subdata);
BLI_addtail(&ob_dst->greasepencil_modifiers, nmd);
}
BLI_listbase_clear(&ob_dst->shader_fx);
for (fx = ob_src->shader_fx.first; fx; fx = fx->next) {
ShaderFxData *nfx = BKE_shaderfx_new(fx->type);
BLI_strncpy(nfx->name, fx->name, sizeof(nfx->name));
BKE_shaderfx_copyData_ex(fx, nfx, flag_subdata);
BLI_addtail(&ob_dst->shader_fx, nfx);
}
if (ob_src->pose) {
copy_object_pose(ob_dst, ob_src, flag_subdata);
/* backwards compat... non-armatures can get poses in older files? */
if (ob_src->type == OB_ARMATURE) {
const bool do_pose_id_user = (flag & LIB_ID_CREATE_NO_USER_REFCOUNT) == 0;
BKE_pose_rebuild(bmain, ob_dst, ob_dst->data, do_pose_id_user);
}
}
defgroup_copy_list(&ob_dst->defbase, &ob_src->defbase);
BKE_object_facemap_copy_list(&ob_dst->fmaps, &ob_src->fmaps);
BKE_constraints_copy_ex(&ob_dst->constraints, &ob_src->constraints, flag_subdata, true);
ob_dst->mode = ob_dst->type != OB_GPENCIL ? OB_MODE_OBJECT : ob_dst->mode;
ob_dst->sculpt = NULL;
if (ob_src->pd) {
ob_dst->pd = MEM_dupallocN(ob_src->pd);
if (ob_dst->pd->rng) {
ob_dst->pd->rng = MEM_dupallocN(ob_src->pd->rng);
}
}
BKE_object_copy_softbody(ob_dst, ob_src, flag_subdata);
ob_dst->rigidbody_object = BKE_rigidbody_copy_object(ob_src, flag_subdata);
ob_dst->rigidbody_constraint = BKE_rigidbody_copy_constraint(ob_src, flag_subdata);
BKE_object_copy_particlesystems(ob_dst, ob_src, flag_subdata);
ob_dst->derivedDeform = NULL;
ob_dst->derivedFinal = NULL;
BLI_listbase_clear((ListBase *)&ob_dst->drawdata);
BLI_listbase_clear(&ob_dst->pc_ids);
ob_dst->avs = ob_src->avs;
ob_dst->mpath = animviz_copy_motionpath(ob_src->mpath);
copy_object_lod(ob_dst, ob_src, flag_subdata);
/* Do not copy object's preview (mostly due to the fact renderers create temp copy of objects). */
if ((flag & LIB_ID_COPY_NO_PREVIEW) == 0 && false) { /* XXX TODO temp hack */
BKE_previewimg_id_copy(&ob_dst->id, &ob_src->id);
}
else {
ob_dst->preview = NULL;
}
}
/* copy objects, will re-initialize cached simulation data */
Object *BKE_object_copy(Main *bmain, const Object *ob)
{
Object *ob_copy;
BKE_id_copy_ex(bmain, &ob->id, (ID **)&ob_copy, 0, false);
/* We increase object user count when linking to Collections. */
id_us_min(&ob_copy->id);
return ob_copy;
}
void BKE_object_make_local_ex(Main *bmain, Object *ob, const bool lib_local, const bool clear_proxy)
{
bool is_local = false, is_lib = false;
/* - only lib users: do nothing (unless force_local is set)
* - only local users: set flag
* - mixed: make copy
* In case we make a whole lib's content local, we always want to localize, and we skip remapping (done later).
*/
if (!ID_IS_LINKED(ob)) {
return;
}
BKE_library_ID_test_usages(bmain, ob, &is_local, &is_lib);
if (lib_local || is_local) {
if (!is_lib) {
id_clear_lib_data(bmain, &ob->id);
BKE_id_expand_local(bmain, &ob->id);
if (clear_proxy) {
if (ob->proxy_from != NULL) {
ob->proxy_from->proxy = NULL;
ob->proxy_from->proxy_group = NULL;
}
ob->proxy = ob->proxy_from = ob->proxy_group = NULL;
}
}
else {
Object *ob_new = BKE_object_copy(bmain, ob);
ob_new->id.us = 0;
ob_new->proxy = ob_new->proxy_from = ob_new->proxy_group = NULL;
/* setting newid is mandatory for complex make_lib_local logic... */
ID_NEW_SET(ob, ob_new);
if (!lib_local) {
BKE_libblock_remap(bmain, ob, ob_new, ID_REMAP_SKIP_INDIRECT_USAGE);
}
}
}
}
void BKE_object_make_local(Main *bmain, Object *ob, const bool lib_local)
{
BKE_object_make_local_ex(bmain, ob, lib_local, true);
}
/* Returns true if the Object is from an external blend file (libdata) */
bool BKE_object_is_libdata(const Object *ob)
{
return (ob && ID_IS_LINKED(ob));
}
/* Returns true if the Object data is from an external blend file (libdata) */
bool BKE_object_obdata_is_libdata(const Object *ob)
{
/* Linked objects with local obdata are forbidden! */
BLI_assert(!ob || !ob->data || (ID_IS_LINKED(ob) ? ID_IS_LINKED(ob->data) : true));
return (ob && ob->data && ID_IS_LINKED(ob->data));
}
/* *************** 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_animdata_add_id(&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_BEGIN(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 (!ID_IS_LINKED(ob))
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 collection dupli-object, saved in files and read */
void BKE_object_make_proxy(Main *bmain, Object *ob, Object *target, Object *cob)
{
/* paranoia checks */
if (ID_IS_LINKED(ob) || !ID_IS_LINKED(target)) {
printf("cannot make proxy\n");
return;
}
ob->proxy = target;
ob->proxy_group = cob;
id_lib_extern(&target->id);
DEG_id_tag_update(&ob->id, OB_RECALC_OB | OB_RECALC_DATA | OB_RECALC_TIME);
DEG_id_tag_update(&target->id, OB_RECALC_OB | OB_RECALC_DATA | OB_RECALC_TIME);
/* copy transform
* - cob means this proxy comes from a collection, just apply the matrix
* so the object wont move from its dupli-transform.
*
* - no cob means this is being made from a linked object,
* this is closer to making a copy of the object - in-place. */
if (cob) {
ob->rotmode = target->rotmode;
mul_m4_m4m4(ob->obmat, cob->obmat, target->obmat);
if (cob->dup_group) { /* should always be true */
float tvec[3];
mul_v3_mat3_m4v3(tvec, ob->obmat, cob->dup_group->dupli_ofs);
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_TAG_EXTERN */
/* copy vertex groups */
defgroup_copy_list(&ob->defbase, &target->defbase);
/* 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, 0); /* data copy, object pointers in constraints */
BKE_pose_rest(ob->pose); /* clear all transforms in channels */
BKE_pose_rebuild(bmain, ob, ob->data, true); /* 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;
}
/**
* Use with newly created objects to set their size
* (used to apply scene-scale).
*/
void BKE_object_obdata_size_init(struct Object *ob, const float size)
{
/* apply radius as a scale to types that support it */
switch (ob->type) {
case OB_EMPTY:
{
ob->empty_drawsize *= size;
break;
}
case OB_GPENCIL:
{
ob->empty_drawsize *= size;
break;
}
case OB_FONT:
{
Curve *cu = ob->data;
cu->fsize *= size;
break;
}
case OB_CAMERA:
{
Camera *cam = ob->data;
cam->drawsize *= size;
break;
}
case OB_LAMP:
{
Lamp *lamp = ob->data;
lamp->dist *= size;
lamp->area_size *= size;
lamp->area_sizey *= size;
lamp->area_sizez *= size;
break;
}
/* Only lattice (not mesh, curve, mball...),
* because its got data when newly added */
case OB_LATTICE:
{
struct Lattice *lt = ob->data;
float mat[4][4];
unit_m4(mat);
scale_m4_fl(mat, size);
BKE_lattice_transform(lt, (float (*)[4])mat, false);
break;
}
}
}
/* *************** 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)
{
BLI_ASSERT_UNIT_M3(mat);
switch (ob->rotmode) {
case ROT_MODE_QUAT:
{
float dquat[4];
mat3_normalized_to_quat(ob->quat, mat);
normalize_qt_qt(dquat, ob->dquat);
invert_qt_normalized(dquat);
mul_qt_qtqt(ob->quat, dquat, ob->quat);
break;
}
case ROT_MODE_AXISANGLE:
{
float quat[4];
float dquat[4];
/* without drot we could apply 'mat' directly */
mat3_normalized_to_quat(quat, mat);
axis_angle_to_quat(dquat, ob->drotAxis, ob->drotAngle);
invert_qt_normalized(dquat);
mul_qt_qtqt(quat, dquat, quat);
quat_to_axis_angle(ob->rotAxis, &ob->rotAngle, quat);
break;
}
default: /* euler */
{
float quat[4];
float dquat[4];
/* without drot we could apply 'mat' directly */
mat3_normalized_to_quat(quat, mat);
eulO_to_quat(dquat, ob->drot, ob->rotmode);
invert_qt_normalized(dquat);
mul_qt_qtqt(quat, dquat, quat);
/* end drot correction */
if (use_compat) quat_to_compatible_eulO(ob->rot, ob->rot, ob->rotmode, quat);
else quat_to_eulO(ob->rot, ob->rotmode, quat);
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 par_imat[4][4];
BKE_object_get_parent_matrix(NULL, NULL, ob, ob->parent, par_imat);
invert_m4(par_imat);
mul_m4_m4m4(mat, par_imat, ob->obmat);
}
else {
copy_m4_m4(mat, ob->obmat);
}
}
/* extern */
int enable_cu_speed = 1;
/**
* \param depsgraph: Used for dupli-frame time.
* \return success if \a mat is set.
*/
static bool ob_parcurve(Depsgraph *depsgraph, Scene *UNUSED(scene), Object *ob, Object *par, float mat[4][4])
{
Curve *cu = par->data;
float vec[4], dir[3], quat[4], radius, ctime;
/* TODO: Make sure this doesn't crash. */
#if 0
/* only happens on reload file, but violates depsgraph still... fix! */
if (par->curve_cache == NULL) {
if (scene == NULL) {
return false;
}
BKE_displist_make_curveTypes(depsgraph, scene, par, 0);
}
#else
/* See: T56619 */
if (par->runtime.curve_cache == NULL) {
return false;
}
#endif
if (par->runtime.curve_cache->path == NULL) {
return false;
}
/* catch exceptions: curve paths used as a duplicator */
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 (cu->pathlen) {
ctime = cu->ctime / cu->pathlen;
}
else {
ctime = cu->ctime;
}
CLAMP(ctime, 0.0f, 1.0f);
}
else {
/* For dupli-frames only */
if (depsgraph == NULL) {
return false;
}
ctime = DEG_get_ctime(depsgraph);
if (cu->pathlen) {
ctime /= cu->pathlen;
}
CLAMP(ctime, 0.0f, 1.0f);
}
unit_m4(mat);
/* vec: 4 items! */
if (where_on_path(par, ctime, vec, dir, (cu->flag & CU_FOLLOW) ? quat : NULL, &radius, NULL)) {
if (cu->flag & CU_FOLLOW) {
quat_apply_track(quat, ob->trackflag, ob->upflag);
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);
}
return true;
}
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 behaviour, 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;
Mesh *me_eval = (em) ? em->mesh_eval_final : par->runtime.mesh_eval;
if (me_eval) {
int count = 0;
const int numVerts = me_eval->totvert;
if (nr < numVerts) {
if (em && me_eval->runtime.is_original) {
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
}
}
if (CustomData_has_layer(&me_eval->vdata, CD_ORIGINDEX) &&
!(em && me_eval->runtime.is_original))
{
const int *index = CustomData_get_layer(&me_eval->vdata, CD_ORIGINDEX);
/* Get the average of all verts with (original index == nr). */
for (int i = 0; i < numVerts; i++) {
if (index[i] == nr) {
add_v3_v3(vec, me_eval->mvert[i].co);
count++;
}
}
}
else {
if (nr < numVerts) {
add_v3_v3(vec, me_eval->mvert[nr].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 */
if (me_eval->totvert) {
copy_v3_v3(vec, me_eval->mvert[0].co);
}
}
}
else {
fprintf(stderr,
"%s: Evaluated mesh is needed to solve parenting, "
"object position can be wrong now\n", __func__);
}
}
else if (ELEM(par->type, OB_CURVE, OB_SURF)) {
ListBase *nurb;
/* Unless there's some weird depsgraph failure the cache should exist. */
BLI_assert(par->runtime.curve_cache != NULL);
if (par->runtime.curve_cache->deformed_nurbs.first != NULL) {
nurb = &par->runtime.curve_cache->deformed_nurbs;
}
else {
Curve *cu = par->data;
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->runtime.curve_cache ? BKE_displist_find(&par->runtime.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);
}
}
void BKE_object_get_parent_matrix(Depsgraph *depsgraph, Scene *scene, Object *ob, Object *par, float parentmat[4][4])
{
float tmat[4][4];
float vec[3];
bool ok;
switch (ob->partype & PARTYPE) {
case PAROBJECT:
ok = 0;
if (par->type == OB_CURVE) {
if ((((Curve *)par->data)->flag & CU_PATH) &&
(ob_parcurve(depsgraph, 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(Depsgraph *depsgraph,
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);
BKE_object_get_parent_matrix(depsgraph, 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 false;
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 true;
}
/* note, scene is the active scene while actual_scene is the scene the object resides in */
void BKE_object_where_is_calc_time_ex(
Depsgraph *depsgraph, 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(depsgraph, scene, &ob->id, ob->adt, ctime, ADT_RECALC_DRIVERS);
if (ob->parent) {
Object *par = ob->parent;
float slowmat[4][4];
/* calculate parent matrix */
solve_parenting(depsgraph, 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(depsgraph, scene, ob, NULL, CONSTRAINT_OBTYPE_OBJECT);
BKE_constraints_solve(depsgraph, &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(Depsgraph *depsgraph, Scene *scene, Object *ob, float ctime)
{
BKE_object_where_is_calc_time_ex(depsgraph, 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(Depsgraph *depsgraph, Scene *scene, Object *ob, float obmat[4][4])
{
if (ob->parent) {
float slowmat[4][4];
Object *par = ob->parent;
solve_parenting(depsgraph, 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(Depsgraph *depsgraph, Scene *scene, RigidBodyWorld *rbw, Object *ob, float r_originmat[3][3])
{
BKE_object_where_is_calc_time_ex(depsgraph, scene, ob, DEG_get_ctime(depsgraph), rbw, r_originmat);
}
void BKE_object_where_is_calc(Depsgraph *depsgraph, Scene *scene, Object *ob)
{
BKE_object_where_is_calc_time_ex(depsgraph, scene, ob, DEG_get_ctime(depsgraph), NULL, NULL);
}
/**
* For calculation of the inverse parent transform, only used for editor.
*
* It assumes the object parent is already in the depsgraph.
* Otherwise, after changing ob->parent you need to call:
* - #DEG_relations_tag_update(bmain);
* - #BKE_scene_graph_update_tagged(depsgraph, bmain);
*/
void BKE_object_workob_calc_parent(Depsgraph *depsgraph, Scene *scene, Object *ob, Object *workob)
{
Object *ob_eval = DEG_get_evaluated_object(depsgraph, ob);
BKE_object_workob_clear(workob);
unit_m4(workob->obmat);
unit_m4(workob->parentinv);
unit_m4(workob->constinv);
/* Since this is used while calculating parenting, at this moment ob_eval->parent is still NULL. */
workob->parent = DEG_get_evaluated_object(depsgraph, ob->parent);
workob->trackflag = ob_eval->trackflag;
workob->upflag = ob_eval->upflag;
workob->partype = ob_eval->partype;
workob->par1 = ob_eval->par1;
workob->par2 = ob_eval->par2;
workob->par3 = ob_eval->par3;
workob->constraints = ob_eval->constraints;
BLI_strncpy(workob->parsubstr, ob_eval->parsubstr, sizeof(workob->parsubstr));
BKE_object_where_is_calc(depsgraph, scene, workob);
}
/**
* Applies the global transformation \a mat to the \a ob using a relative parent space if supplied.
*
* \param mat the global transformation mat that the object should be set object to.
* \param parent the parent space in which this object will be set relative to (should probably always be parent_eval).
* \param use_compat true to ensure that rotations are set using the min difference between the old and new orientation.
*/
void BKE_object_apply_mat4_ex(Object *ob, float mat[4][4], Object *parent, float parentinv[4][4], const bool use_compat)
{
/* see BKE_pchan_apply_mat4() for the equivalent 'pchan' function */
float rot[3][3];
if (parent != NULL) {
float rmat[4][4], diff_mat[4][4], imat[4][4], parent_mat[4][4];
BKE_object_get_parent_matrix(NULL, NULL, ob, parent, parent_mat);
mul_m4_m4m4(diff_mat, parent_mat, parentinv);
invert_m4_m4(imat, diff_mat);
mul_m4_m4m4(rmat, imat, mat); /* get the parent relative matrix */
/* same as below, use rmat rather than mat */
mat4_to_loc_rot_size(ob->loc, rot, ob->size, rmat);
}
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 */
}
/* XXX: should be removed after COW operators port to use BKE_object_apply_mat4_ex directly */
void BKE_object_apply_mat4(Object *ob, float mat[4][4], const bool use_compat, const bool use_parent)
{
BKE_object_apply_mat4_ex(ob, mat, use_parent ? ob->parent : NULL, ob->parentinv, use_compat);
}
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];
}
void BKE_boundbox_calc_center_aabb(const BoundBox *bb, float r_cent[3])
{
r_cent[0] = 0.5f * (bb->vec[0][0] + bb->vec[4][0]);
r_cent[1] = 0.5f * (bb->vec[0][1] + bb->vec[2][1]);
r_cent[2] = 0.5f * (bb->vec[0][2] + bb->vec[1][2]);
}
void BKE_boundbox_calc_size_aabb(const BoundBox *bb, float r_size[3])
{
r_size[0] = 0.5f * fabsf(bb->vec[0][0] - bb->vec[4][0]);
r_size[1] = 0.5f * fabsf(bb->vec[0][1] - bb->vec[2][1]);
r_size[2] = 0.5f * fabsf(bb->vec[0][2] - bb->vec[1][2]);
}
void BKE_boundbox_minmax(const BoundBox *bb, float obmat[4][4], float r_min[3], float r_max[3])
{
int i;
for (i = 0; i < 8; i++) {
float vec[3];
mul_v3_m4v3(vec, obmat, bb->vec[i]);
minmax_v3v3_v3(r_min, r_max, vec);
}
}
BoundBox *BKE_object_boundbox_get(Object *ob)
{
BoundBox *bb = NULL;
switch (ob->type) {
case OB_MESH:
bb = BKE_mesh_boundbox_get(ob);
break;
case OB_CURVE:
case OB_SURF:
case OB_FONT:
bb = BKE_curve_boundbox_get(ob);
break;
case OB_MBALL:
bb = BKE_mball_boundbox_get(ob);
break;
case OB_LATTICE:
bb = BKE_lattice_boundbox_get(ob);
break;
case OB_ARMATURE:
bb = BKE_armature_boundbox_get(ob);
break;
case OB_GPENCIL:
bb = BKE_gpencil_boundbox_get(ob);
break;
default:
break;
}
return bb;
}
/* used to temporally disable/enable boundbox */
void BKE_object_boundbox_flag(Object *ob, int flag, const bool set)
{
BoundBox *bb = BKE_object_boundbox_get(ob);
if (bb) {
if (set) bb->flag |= flag;
else bb->flag &= ~flag;
}
}
void BKE_object_boundbox_calc_from_mesh(struct Object *ob, struct Mesh *me_eval)
{
float min[3], max[3];
INIT_MINMAX(min, max);
BKE_mesh_minmax(me_eval, min, max);
if (ob->bb == NULL) {
ob->bb = MEM_callocN(sizeof(BoundBox), "DM-BoundBox");
}
BKE_boundbox_init_from_minmax(ob->bb, min, max);
ob->bb->flag &= ~BOUNDBOX_DIRTY;
}
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];
bool changed = false;
switch (ob->type) {
case OB_CURVE:
case OB_FONT:
case OB_SURF:
{
bb = *BKE_curve_boundbox_get(ob);
BKE_boundbox_minmax(&bb, ob->obmat, min_r, max_r);
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:
{
changed = BKE_pose_minmax(ob, min_r, max_r, use_hidden, false);
break;
}
case OB_MESH:
{
Mesh *me = BKE_mesh_from_object(ob);
if (me) {
bb = *BKE_mesh_boundbox_get(ob);
BKE_boundbox_minmax(&bb, ob->obmat, min_r, max_r);
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) || (ob->type == OB_GPENCIL)) {
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->flag |= IMA_ANIM_ALWAYS;
ob->iuser->frames = 100;
ob->iuser->sfra = 1;
}
}
else {
if (ob->iuser) {
MEM_freeN(ob->iuser);
ob->iuser = NULL;
}
}
}
bool BKE_object_minmax_dupli(Depsgraph *depsgraph, 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(depsgraph, 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->runtime.mesh_eval) {
const Mesh *me = ob->runtime.mesh_eval;
const MVert *mv = me->mvert;
const int totvert = me->totvert;
for (int i = 0; i < totvert; i++, mv++) {
mul_v3_m4v3(co, obmat, mv->co);
func_cb(co, user_data);
}
}
else if (ob->runtime.curve_cache && ob->runtime.curve_cache->disp.first) {
DispList *dl;
for (dl = ob->runtime.curve_cache->disp.first; dl; dl = dl->next) {
const 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(
Depsgraph *depsgraph,
void (*func_cb)(const float[3], void *), void *user_data)
{
DEG_OBJECT_ITER_BEGIN(
depsgraph, ob,
DEG_ITER_OBJECT_FLAG_LINKED_DIRECTLY |
DEG_ITER_OBJECT_FLAG_VISIBLE |
DEG_ITER_OBJECT_FLAG_DUPLI)
{
if ((ob->base_flag & BASE_SELECTED) != 0) {
BKE_object_foreach_display_point(ob, ob->obmat, func_cb, user_data);
}
}
DEG_OBJECT_ITER_END;
}
/* 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, 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);
}
static void object_handle_update_proxy(Depsgraph *depsgraph,
Scene *scene,
Object *object,
const bool do_proxy_update)
{
/* The case when this is a collection proxy, object_update is called in collection.c */
if (object->proxy == NULL) {
return;
}
/* set pointer in library proxy target, for copying, but restore it */
object->proxy->proxy_from = object;
// printf("set proxy pointer for later collection stuff %s\n", ob->id.name);
/* the no-group proxy case, we call update */
if (object->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(depsgraph, scene, object->proxy);
}
}
}
/* 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(Depsgraph *depsgraph,
Scene *scene, Object *ob,
RigidBodyWorld *rbw,
const bool do_proxy_update)
{
const ID *object_data = ob->data;
const bool recalc_object = (ob->id.recalc & ID_RECALC) != 0;
const bool recalc_data =
(object_data != NULL) ? ((object_data->recalc & ID_RECALC_ALL) != 0)
: 0;
if (!recalc_object && ! recalc_data) {
object_handle_update_proxy(depsgraph, scene, ob, do_proxy_update);
return;
}
/* Speed optimization for animation lookups. */
if (ob->pose != NULL) {
BKE_pose_channels_hash_make(ob->pose);
if (ob->pose->flag & POSE_CONSTRAINTS_NEED_UPDATE_FLAGS) {
BKE_pose_update_constraint_flags(ob->pose);
}
}
if (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)) {
/* No need to pass bmain here, we assume we do not need to rebuild DEG from here... */
BKE_pose_rebuild(NULL, ob, ob->data, true);
}
}
}
/* 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 (recalc_object || recalc_data) {
if (G.debug & G_DEBUG_DEPSGRAPH_EVAL) {
printf("recalcob %s\n", ob->id.name + 2);
}
/* Handle proxy copy for target. */
if (!BKE_object_eval_proxy_copy(depsgraph, ob)) {
BKE_object_where_is_calc_ex(depsgraph, scene, rbw, ob, NULL);
}
}
if (recalc_data) {
BKE_object_handle_data_update(depsgraph, scene, ob);
}
ob->id.recalc &= ID_RECALC_ALL;
object_handle_update_proxy(depsgraph, scene, ob, do_proxy_update);
}
/* 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 current rigid body world
*/
void BKE_object_handle_update(Depsgraph *depsgraph, Scene *scene, Object *ob)
{
BKE_object_handle_update_ex(depsgraph, scene, ob, NULL, true);
}
void BKE_object_sculpt_modifiers_changed(Object *ob)
{
SculptSession *ss = ob->sculpt;
if (ss && ss->building_vp_handle == false) {
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;
}
BKE_sculptsession_free_deformMats(ob->sculpt);
/* In vertex/weight paint, force maps to be rebuilt. */
BKE_sculptsession_free_vwpaint_data(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:
{
BKE_mesh_texspace_get_reference((Mesh *)ob->data, r_texflag, r_loc, r_rot, r_size);
break;
}
case ID_CU:
{
Curve *cu = ob->data;
if (cu->bb == NULL || (cu->bb->flag & BOUNDBOX_DIRTY)) {
BKE_curve_texspace_calc(cu);
}
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;
}
/** Get evaluated mesh for given (main, original) object and depsgraph. */
Mesh *BKE_object_get_evaluated_mesh(const Depsgraph *depsgraph, Object *ob)
{
Object *ob_eval = DEG_get_evaluated_object(depsgraph, ob);
return ob_eval->runtime.mesh_eval;
}
/* Get object's mesh with all modifiers applied. */
Mesh *BKE_object_get_final_mesh(Object *object)
{
if (object->runtime.mesh_eval != NULL) {
BLI_assert((object->id.tag & LIB_TAG_COPIED_ON_WRITE) != 0);
BLI_assert(object->runtime.mesh_eval == object->data);
BLI_assert((object->runtime.mesh_eval->id.tag & LIB_TAG_COPIED_ON_WRITE_EVAL_RESULT) != 0);
return object->runtime.mesh_eval;
}
/* Wasn't evaluated yet. */
return object->data;
}
/* Get mesh which is not affected by modifiers:
* - For original objects it will be same as object->data, and it is a mesh
* which is in the corresponding bmain.
* - For copied-on-write objects it will give pointer to a copied-on-write
* mesh which corresponds to original object's mesh.
*/
Mesh *BKE_object_get_pre_modified_mesh(Object *object)
{
if (object->runtime.mesh_orig != NULL) {
BLI_assert(object->id.tag & LIB_TAG_COPIED_ON_WRITE);
BLI_assert(object->id.orig_id != NULL);
BLI_assert(object->runtime.mesh_orig->id.orig_id == ((Object *)object->id.orig_id)->data);
Mesh *result = object->runtime.mesh_orig;
BLI_assert((result->id.tag & LIB_TAG_COPIED_ON_WRITE) != 0);
BLI_assert((result->id.tag & LIB_TAG_COPIED_ON_WRITE_EVAL_RESULT) == 0);
return result;
}
BLI_assert((object->id.tag & LIB_TAG_COPIED_ON_WRITE) == 0);
return object->data;
}
/* Get a mesh which corresponds to very very original mesh from bmain.
* - For original objects it will be object->data.
* - For evaluated objects it will be same mesh as corresponding original
* object uses as data.
*/
Mesh *BKE_object_get_original_mesh(Object *object)
{
Mesh *result = NULL;
if (object->id.orig_id == NULL) {
BLI_assert((object->id.tag & LIB_TAG_COPIED_ON_WRITE) == 0);
result = object->data;
}
else {
BLI_assert((object->id.tag & LIB_TAG_COPIED_ON_WRITE) != 0);
result = ((Object *)object->id.orig_id)->data;
}
BLI_assert(result != NULL);
BLI_assert((result->id.tag & (LIB_TAG_COPIED_ON_WRITE | LIB_TAG_COPIED_ON_WRITE_EVAL_RESULT)) == 0);
return result;
}
static int pc_cmp(const void *a, const void *b)
{
const LinkData *ad = a, *bd = b;
if (POINTER_AS_INT(ad->data) > POINTER_AS_INT(bd->data))
return 1;
else return 0;
}
int BKE_object_insert_ptcache(Object *ob)
{
LinkData *link = NULL;
int i = 0;
BLI_listbase_sort(&ob->pc_ids, pc_cmp);
for (link = ob->pc_ids.first, i = 0; link; link = link->next, i++) {
int index = POINTER_AS_INT(link->data);
if (i < index)
break;
}
link = MEM_callocN(sizeof(LinkData), "PCLink");
link->data = POINTER_FROM_INT(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 (POINTER_AS_INT(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(Main *bmain, 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(bmain, (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_keyblock_convert_from_mesh(me, key, kb);
}
else {
/* copy from current values */
int totelem;
float *data = BKE_key_evaluate_object(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(Main *bmain, 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(bmain, (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_keyblock_convert_from_lattice(lt, kb);
}
}
else {
/* copy from current values */
int totelem;
float *data = BKE_key_evaluate_object(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(Main *bmain, 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(bmain, (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_keyblock_convert_from_curve(cu, kb, lb);
}
}
else {
/* copy from current values */
int totelem;
float *data = BKE_key_evaluate_object(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_shapekey_insert(Main *bmain, Object *ob, const char *name, const bool from_mix)
{
switch (ob->type) {
case OB_MESH:
return insert_meshkey(bmain, ob, name, from_mix);
case OB_CURVE:
case OB_SURF:
return insert_curvekey(bmain, ob, name, from_mix);
case OB_LATTICE:
return insert_lattkey(bmain, ob, name, from_mix);
default:
return NULL;
}
}
bool BKE_object_shapekey_free(Main *bmain, Object *ob)
{
Key **key_p, *key;
key_p = BKE_key_from_object_p(ob);
if (ELEM(NULL, key_p, *key_p)) {
return false;
}
key = *key_p;
*key_p = NULL;
BKE_libblock_free_us(bmain, key);
return false;
}
bool BKE_object_shapekey_remove(Main *bmain, Object *ob, KeyBlock *kb)
{
KeyBlock *rkb;
Key *key = BKE_key_from_object(ob);
short kb_index;
if (key == NULL) {
return false;
}
kb_index = BLI_findindex(&key->block, kb);
BLI_assert(kb_index != -1);
for (rkb = key->block.first; rkb; rkb = rkb->next) {
if (rkb->relative == kb_index) {
/* remap to the 'Basis' */
rkb->relative = 0;
}
else if (rkb->relative >= kb_index) {
/* Fix positional shift of the keys when kb is deleted from the list */
rkb->relative -= 1;
}
}
BLI_remlink(&key->block, kb);
key->totkey--;
if (key->refkey == kb) {
key->refkey = key->block.first;
if (key->refkey) {
/* apply new basis key on original data */
switch (ob->type) {
case OB_MESH:
BKE_keyblock_convert_to_mesh(key->refkey, ob->data);
break;
case OB_CURVE:
case OB_SURF:
BKE_keyblock_convert_to_curve(key->refkey, ob->data, BKE_curve_nurbs_get(ob->data));
break;
case OB_LATTICE:
BKE_keyblock_convert_to_lattice(key->refkey, ob->data);
break;
}
}
}
if (kb->data) {
MEM_freeN(kb->data);
}
MEM_freeN(kb);
if (ob->shapenr > 1) {
ob->shapenr--;
}
if (key->totkey == 0) {
BKE_object_shapekey_free(bmain, ob);
}
return true;
}
bool BKE_object_flag_test_recursive(const Object *ob, short flag)
{
if (ob->flag & flag) {
return true;
}
else if (ob->parent) {
return BKE_object_flag_test_recursive(ob->parent, flag);
}
else {
return false;
}
}
bool BKE_object_is_child_recursive(const Object *ob_parent, const 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;
}
/* Check of objects moves in time. */
/* NOTE: This function is currently optimized for usage in combination
* with mti->canDeform, so modifiers can quickly check if their target
* objects moves (causing deformation motion blur) or not.
*
* This makes it possible to give some degree of false-positives here,
* but it's currently an acceptable tradeoff between complexity and check
* speed. In combination with checks of modifier stack and real life usage
* percentage of false-positives shouldn't be that height.
*/
static bool object_moves_in_time(Object *object)
{
AnimData *adt = object->adt;
if (adt != NULL) {
/* If object has any sort of animation data assume it is moving. */
if (adt->action != NULL ||
!BLI_listbase_is_empty(&adt->nla_tracks) ||
!BLI_listbase_is_empty(&adt->drivers) ||
!BLI_listbase_is_empty(&adt->overrides))
{
return true;
}
}
if (!BLI_listbase_is_empty(&object->constraints)) {
return true;
}
if (object->parent != NULL) {
/* TODO(sergey): Do recursive check here? */
return true;
}
return false;
}
static bool object_deforms_in_time(Object *object)
{
if (BKE_key_from_object(object) != NULL) {
return true;
}
if (!BLI_listbase_is_empty(&object->modifiers)) {
return true;
}
return object_moves_in_time(object);
}
static bool constructive_modifier_is_deform_modified(ModifierData *md)
{
/* TODO(sergey): Consider generalizing this a bit so all modifier logic
* is concentrated in MOD_{modifier}.c file,
*/
if (md->type == eModifierType_Array) {
ArrayModifierData *amd = (ArrayModifierData *)md;
/* TODO(sergey): Check if curve is deformed. */
return (amd->start_cap != NULL && object_moves_in_time(amd->start_cap)) ||
(amd->end_cap != NULL && object_moves_in_time(amd->end_cap)) ||
(amd->curve_ob != NULL && object_moves_in_time(amd->curve_ob)) ||
(amd->offset_ob != NULL && object_moves_in_time(amd->offset_ob));
}
else if (md->type == eModifierType_Mirror) {
MirrorModifierData *mmd = (MirrorModifierData *)md;
return mmd->mirror_ob != NULL && object_moves_in_time(mmd->mirror_ob);
}
else if (md->type == eModifierType_Screw) {
ScrewModifierData *smd = (ScrewModifierData *)md;
return smd->ob_axis != NULL && object_moves_in_time(smd->ob_axis);
}
else if (md->type == eModifierType_MeshSequenceCache) {
/* NOTE: Not ideal because it's unknown whether topology changes or not.
* This will be detected later, so by assuming it's only deformation
* going on here we allow to bake deform-only mesh to Alembic and have
* proper motion blur after that.
*/
return true;
}
return false;
}
static bool modifiers_has_animation_check(Object *ob)
{
/* TODO(sergey): This is a bit code duplication with depsgraph, but
* would be nicer to solve this as a part of new dependency graph
* work, so we avoid conflicts and so.
*/
if (ob->adt != NULL) {
AnimData *adt = ob->adt;
FCurve *fcu;
if (adt->action != NULL) {
for (fcu = adt->action->curves.first; fcu; fcu = fcu->next) {
if (fcu->rna_path && strstr(fcu->rna_path, "modifiers[")) {
return true;
}
}
}
for (fcu = adt->drivers.first; fcu; fcu = fcu->next) {
if (fcu->rna_path && strstr(fcu->rna_path, "modifiers[")) {
return true;
}
}
}
return false;
}
/* 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;
const bool is_modifier_animated = modifiers_has_animation_check(ob);
if (BKE_key_from_object(ob)) {
flag |= eModifierMode_Realtime | eModifierMode_Render;
}
if (ob->type == OB_CURVE) {
Curve *cu = (Curve *)ob->data;
if (cu->taperobj != NULL && object_deforms_in_time(cu->taperobj)) {
flag |= eModifierMode_Realtime | eModifierMode_Render;
}
}
/* cloth */
for (md = modifiers_getVirtualModifierList(ob, &virtualModifierData);
md && (flag != (eModifierMode_Render | eModifierMode_Realtime));
md = md->next)
{
const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
bool can_deform = mti->type == eModifierTypeType_OnlyDeform ||
is_modifier_animated;
if (!can_deform) {
can_deform = constructive_modifier_is_deform_modified(md);
}
if (can_deform) {
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;
}
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;
}
void BKE_object_runtime_reset(Object *object)
{
memset(&object->runtime, 0, sizeof(object->runtime));
}
/*
* 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.tag & LIB_TAG_DOIT);
}
static void obrel_list_add(LinkNode **links, Object *ob)
{
BLI_linklist_prepend(links, ob);
ob->id.tag |= LIB_TAG_DOIT;
}
/*
* Iterates over all objects of the given scene layer.
* 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 ViewLayer *view_layer, eObjectSet objectSet, eObRelationTypes includeFilter)
{
LinkNode *links = NULL;
Base *base;
/* Remove markers from all objects */
for (base = view_layer->object_bases.first; base; base = base->next) {
base->object->id.tag &= ~LIB_TAG_DOIT;
}
/* iterate over all selected and visible objects */
for (base = view_layer->object_bases.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), base)) ||
(objectSet == OB_SET_VISIBLE && BASE_EDITABLE_BGMODE(((View3D *)NULL), 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 = view_layer->object_bases.first; local_base; local_base = local_base->next) {
if (BASE_EDITABLE_BGMODE(((View3D *)NULL), 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(Main *bmain, Object *ob)
{
LinkNode *collection_linknode = NULL;
Collection *collection = NULL;
while ((collection = BKE_collection_object_find(bmain, collection, ob))) {
BLI_linklist_prepend(&collection_linknode, collection);
}
return collection_linknode;
}
void BKE_object_groups_clear(Main *bmain, Object *ob)
{
Collection *collection = NULL;
while ((collection = BKE_collection_object_find(bmain, collection, ob))) {
BKE_collection_object_remove(bmain, collection, ob, false);
DEG_id_tag_update(&collection->id, DEG_TAG_COPY_ON_WRITE);
}
}
/**
* 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;
Mesh *me_eval = ob->runtime.mesh_deform_eval ? ob->runtime.mesh_deform_eval : ob->runtime.mesh_deform_eval;
const int *index;
if (me_eval && (index = CustomData_get_layer(&me_eval->vdata, CD_ORIGINDEX))) {
MVert *mvert = me_eval->mvert;
uint totvert = me_eval->totvert;
/* 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;
}
bool BKE_object_modifier_use_time(Object *ob, ModifierData *md)
{
if (modifier_dependsOnTime(md)) {
return true;
}
/* Check whether modifier is animated. */
/* TODO: this should be handled as part of build_animdata() -- Aligorith */
if (ob->adt) {
AnimData *adt = ob->adt;
FCurve *fcu;
char pattern[MAX_NAME + 16];
BLI_snprintf(pattern, sizeof(pattern), "modifiers[\"%s\"]", md->name);
/* action - check for F-Curves with paths containing 'modifiers[' */
if (adt->action) {
for (fcu = (FCurve *)adt->action->curves.first;
fcu != NULL;
fcu = (FCurve *)fcu->next)
{
if (fcu->rna_path && strstr(fcu->rna_path, pattern))
return true;
}
}
/* This here allows modifier properties to get driven and still update properly
*
* Workaround to get [#26764] (e.g. subsurf levels not updating when animated/driven)
* working, without the updating problems ([#28525] [#28690] [#28774] [#28777]) caused
* by the RNA updates cache introduced in r.38649
*/
for (fcu = (FCurve *)adt->drivers.first;
fcu != NULL;
fcu = (FCurve *)fcu->next)
{
if (fcu->rna_path && strstr(fcu->rna_path, pattern))
return true;
}
/* XXX: also, should check NLA strips, though for now assume that nobody uses
* that and we can omit that for performance reasons... */
}
return false;
}
bool BKE_object_modifier_gpencil_use_time(Object *ob, GpencilModifierData *md)
{
if (BKE_gpencil_modifier_dependsOnTime(md)) {
return true;
}
/* Check whether modifier is animated. */
/* TODO (Aligorith): this should be handled as part of build_animdata() */
if (ob->adt) {
AnimData *adt = ob->adt;
FCurve *fcu;
char pattern[MAX_NAME + 32];
BLI_snprintf(pattern, sizeof(pattern), "grease_pencil_modifiers[\"%s\"]", md->name);
/* action - check for F-Curves with paths containing 'grease_pencil_modifiers[' */
if (adt->action) {
for (fcu = adt->action->curves.first; fcu != NULL; fcu = fcu->next) {
if (fcu->rna_path && strstr(fcu->rna_path, pattern)) {
return true;
}
}
}
/* This here allows modifier properties to get driven and still update properly */
for (fcu = adt->drivers.first; fcu != NULL; fcu = fcu->next) {
if (fcu->rna_path && strstr(fcu->rna_path, pattern)) {
return true;
}
}
}
return false;
}
bool BKE_object_shaderfx_use_time(Object *ob, ShaderFxData *fx)
{
if (BKE_shaderfx_dependsOnTime(fx)) {
return true;
}
/* Check whether effect is animated. */
/* TODO (Aligorith): this should be handled as part of build_animdata() */
if (ob->adt) {
AnimData *adt = ob->adt;
FCurve *fcu;
char pattern[MAX_NAME + 32];
BLI_snprintf(pattern, sizeof(pattern), "shader_effects[\"%s\"]", fx->name);
/* action - check for F-Curves with paths containing string[' */
if (adt->action) {
for (fcu = adt->action->curves.first; fcu != NULL; fcu = fcu->next) {
if (fcu->rna_path && strstr(fcu->rna_path, pattern))
return true;
}
}
/* This here allows properties to get driven and still update properly */
for (fcu = adt->drivers.first; fcu != NULL; fcu = fcu->next) {
if (fcu->rna_path && strstr(fcu->rna_path, pattern))
return true;
}
}
return false;
}
/* set "ignore cache" flag for all caches on this object */
static void object_cacheIgnoreClear(Object *ob, int state)
{
ListBase pidlist;
PTCacheID *pid;
BKE_ptcache_ids_from_object(&pidlist, ob, NULL, 0);
for (pid = pidlist.first; pid; pid = pid->next) {
if (pid->cache) {
if (state)
pid->cache->flag |= PTCACHE_IGNORE_CLEAR;
else
pid->cache->flag &= ~PTCACHE_IGNORE_CLEAR;
}
}
BLI_freelistN(&pidlist);
}
/* Note: this function should eventually be replaced by depsgraph functionality.
* Avoid calling this in new code unless there is a very good reason for it!
*/
bool BKE_object_modifier_update_subframe(
Depsgraph *depsgraph, Scene *scene, Object *ob, bool update_mesh,
int parent_recursion, float frame, int type)
{
ModifierData *md = modifiers_findByType(ob, (ModifierType)type);
bConstraint *con;
if (type == eModifierType_DynamicPaint) {
DynamicPaintModifierData *pmd = (DynamicPaintModifierData *)md;
/* if other is dynamic paint canvas, don't update */
if (pmd && pmd->canvas)
return true;
}
else if (type == eModifierType_Smoke) {
SmokeModifierData *smd = (SmokeModifierData *)md;
if (smd && (smd->type & MOD_SMOKE_TYPE_DOMAIN) != 0)
return true;
}
/* if object has parents, update them too */
if (parent_recursion) {
int recursion = parent_recursion - 1;
bool no_update = false;
if (ob->parent) no_update |= BKE_object_modifier_update_subframe(depsgraph, scene, ob->parent, 0, recursion, frame, type);
if (ob->track) no_update |= BKE_object_modifier_update_subframe(depsgraph, scene, ob->track, 0, recursion, frame, type);
/* skip subframe if object is parented
* to vertex of a dynamic paint canvas */
if (no_update && (ob->partype == PARVERT1 || ob->partype == PARVERT3))
return false;
/* also update constraint targets */
for (con = ob->constraints.first; con; con = con->next) {
const bConstraintTypeInfo *cti = BKE_constraint_typeinfo_get(con);
ListBase targets = {NULL, NULL};
if (cti && cti->get_constraint_targets) {
bConstraintTarget *ct;
cti->get_constraint_targets(con, &targets);
for (ct = targets.first; ct; ct = ct->next) {
if (ct->tar)
BKE_object_modifier_update_subframe(depsgraph, scene, ct->tar, 0, recursion, frame, type);
}
/* free temp targets */
if (cti->flush_constraint_targets)
cti->flush_constraint_targets(con, &targets, 0);
}
}
}
/* was originally OB_RECALC_ALL - TODO - which flags are really needed??? */
/* TODO(sergey): What about animation? */
ob->id.recalc |= ID_RECALC_ALL;
BKE_animsys_evaluate_animdata(depsgraph, scene, &ob->id, ob->adt, frame, ADT_RECALC_ANIM);
if (update_mesh) {
/* ignore cache clear during subframe updates
* to not mess up cache validity */
object_cacheIgnoreClear(ob, 1);
BKE_object_handle_update(depsgraph, scene, ob);
object_cacheIgnoreClear(ob, 0);
}
else
BKE_object_where_is_calc_time(depsgraph, scene, ob, frame);
/* for curve following objects, parented curve has to be updated too */
if (ob->type == OB_CURVE) {
Curve *cu = ob->data;
BKE_animsys_evaluate_animdata(depsgraph, scene, &cu->id, cu->adt, frame, ADT_RECALC_ANIM);
}
/* and armatures... */
if (ob->type == OB_ARMATURE) {
bArmature *arm = ob->data;
BKE_animsys_evaluate_animdata(depsgraph, scene, &arm->id, arm->adt, frame, ADT_RECALC_ANIM);
BKE_pose_where_is(depsgraph, scene, ob);
}
return false;
}
bool BKE_image_empty_visible_in_view3d(const Object *ob, const RegionView3D *rv3d)
{
int visibility_flag = ob->empty_image_visibility_flag;
if ((visibility_flag & OB_EMPTY_IMAGE_VISIBLE_BACKSIDE) == 0) {
if (dot_v3v3((float *)&ob->obmat[2], (float *)&rv3d->viewinv[2]) < 0.0f) {
return false;
}
}
if (rv3d->is_persp) {
return visibility_flag & OB_EMPTY_IMAGE_VISIBLE_PERSPECTIVE;
}
else {
return visibility_flag & OB_EMPTY_IMAGE_VISIBLE_ORTHOGRAPHIC;
}
}
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