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/*
* 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) 20014 by Blender Foundation.
* All rights reserved.
*/
/** \file
* \ingroup bke
*/
#include "DNA_anim_types.h"
#include "DNA_collection_types.h"
#include "DNA_constraint_types.h"
#include "DNA_key_types.h"
#include "DNA_material_types.h"
#include "DNA_mesh_types.h"
#include "DNA_scene_types.h"
#include "BLI_blenlib.h"
#include "BLI_utildefines.h"
#include "BLI_math.h"
#include "BKE_animsys.h"
#include "BKE_armature.h"
#include "BKE_action.h"
#include "BKE_constraint.h"
#include "BKE_curve.h"
#include "BKE_DerivedMesh.h"
#include "BKE_displist.h"
#include "BKE_editmesh.h"
#include "BKE_effect.h"
#include "BKE_image.h"
#include "BKE_key.h"
#include "BKE_layer.h"
#include "BKE_light.h"
#include "BKE_lattice.h"
#include "BKE_material.h"
#include "BKE_mball.h"
#include "BKE_mesh.h"
#include "BKE_object.h"
#include "BKE_particle.h"
#include "BKE_pointcache.h"
#include "BKE_scene.h"
#include "BKE_gpencil.h"
#include "MEM_guardedalloc.h"
#include "DEG_depsgraph.h"
#include "DEG_depsgraph_query.h"
/**
* Restore the object->data to a non-modifier evaluated state.
*
* Some changes done directly in evaluated object require them to be reset
* before being re-evaluated.
* For example, we need to call this before #BKE_mesh_new_from_object(),
* in case we removed/added modifiers in the evaluated object.
*/
void BKE_object_eval_reset(Object *ob_eval)
{
BKE_object_free_derived_caches(ob_eval);
}
void BKE_object_eval_local_transform(Depsgraph *depsgraph, Object *ob)
{
DEG_debug_print_eval(depsgraph, __func__, ob->id.name, ob);
/* calculate local matrix */
BKE_object_to_mat4(ob, ob->obmat);
}
/* Evaluate parent */
/* NOTE: based on solve_parenting(), but with the cruft stripped out */
void BKE_object_eval_parent(Depsgraph *depsgraph, Object *ob)
{
Object *par = ob->parent;
float totmat[4][4];
float tmat[4][4];
float locmat[4][4];
DEG_debug_print_eval(depsgraph, __func__, ob->id.name, ob);
/* get local matrix (but don't calculate it, as that was done already!) */
// XXX: redundant?
copy_m4_m4(locmat, ob->obmat);
/* get parent effect matrix */
BKE_object_get_parent_matrix(ob, par, totmat);
/* total */
mul_m4_m4m4(tmat, totmat, ob->parentinv);
mul_m4_m4m4(ob->obmat, tmat, locmat);
/* origin, for help line */
if ((ob->partype & PARTYPE) == PARSKEL) {
copy_v3_v3(ob->runtime.parent_display_origin, par->obmat[3]);
}
else {
copy_v3_v3(ob->runtime.parent_display_origin, totmat[3]);
}
}
void BKE_object_eval_constraints(Depsgraph *depsgraph, Scene *scene, Object *ob)
{
bConstraintOb *cob;
float ctime = BKE_scene_frame_get(scene);
DEG_debug_print_eval(depsgraph, __func__, ob->id.name, ob);
/* evaluate constraints stack */
/* TODO: split this into:
* - pre (i.e. BKE_constraints_make_evalob, per-constraint (i.e.
* - inner body of BKE_constraints_solve),
* - post (i.e. BKE_constraints_clear_evalob)
*
* Not sure why, this is from Joshua - sergey
*
*/
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);
}
void BKE_object_eval_transform_final(Depsgraph *depsgraph, Object *ob)
{
DEG_debug_print_eval(depsgraph, __func__, ob->id.name, ob);
/* Make sure inverse matrix is always up to date. This way users of it
* do not need to worry about recalculating it. */
invert_m4_m4(ob->imat, ob->obmat);
/* 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_handle_data_update(Depsgraph *depsgraph, Scene *scene, Object *ob)
{
DEG_debug_print_eval(depsgraph, __func__, ob->id.name, ob);
/* includes all keys and modifiers */
switch (ob->type) {
case OB_MESH: {
#if 0
BMEditMesh *em = (ob->mode & OB_MODE_EDIT) ? BKE_editmesh_from_object(ob) : NULL;
#else
BMEditMesh *em = (ob->mode & OB_MODE_EDIT) ? ((Mesh *)ob->data)->edit_mesh : NULL;
if (em && em->ob != ob) {
em = NULL;
}
#endif
CustomData_MeshMasks cddata_masks = scene->customdata_mask;
CustomData_MeshMasks_update(&cddata_masks, &CD_MASK_BAREMESH);
if (DEG_get_mode(depsgraph) == DAG_EVAL_RENDER) {
/* Make sure Freestyle edge/face marks appear in DM for render (see T40315). */
#ifdef WITH_FREESTYLE
cddata_masks.emask |= CD_MASK_FREESTYLE_EDGE;
cddata_masks.pmask |= CD_MASK_FREESTYLE_FACE;
#endif
/* Always compute UVs, vertex colors as orcos for render. */
cddata_masks.lmask |= CD_MASK_MLOOPUV | CD_MASK_MLOOPCOL;
cddata_masks.vmask |= CD_MASK_ORCO;
}
if (em) {
makeDerivedMesh(depsgraph, scene, ob, em, &cddata_masks); /* was CD_MASK_BAREMESH */
}
else {
makeDerivedMesh(depsgraph, scene, ob, NULL, &cddata_masks);
}
break;
}
case OB_ARMATURE:
if (ID_IS_LINKED(ob) && ob->proxy_from) {
if (BKE_pose_copy_result(ob->pose, ob->proxy_from->pose) == false) {
printf("Proxy copy error, lib Object: %s proxy Object: %s\n",
ob->id.name + 2,
ob->proxy_from->id.name + 2);
}
}
else {
BKE_pose_where_is(depsgraph, scene, ob);
}
break;
case OB_MBALL:
BKE_displist_make_mball(depsgraph, scene, ob);
break;
case OB_CURVE:
case OB_SURF:
case OB_FONT: {
bool for_render = (DEG_get_mode(depsgraph) == DAG_EVAL_RENDER);
BKE_displist_make_curveTypes(depsgraph, scene, ob, for_render, false);
break;
}
case OB_LATTICE:
BKE_lattice_modifiers_calc(depsgraph, scene, ob);
break;
}
/* particles */
if (!(ob->mode & OB_MODE_EDIT) && ob->particlesystem.first) {
const bool use_render_params = (DEG_get_mode(depsgraph) == DAG_EVAL_RENDER);
ParticleSystem *tpsys, *psys;
ob->transflag &= ~OB_DUPLIPARTS;
psys = ob->particlesystem.first;
while (psys) {
if (psys_check_enabled(ob, psys, use_render_params)) {
/* check use of dupli objects here */
if (psys->part && (psys->part->draw_as == PART_DRAW_REND || use_render_params) &&
((psys->part->ren_as == PART_DRAW_OB && psys->part->instance_object) ||
(psys->part->ren_as == PART_DRAW_GR && psys->part->instance_collection))) {
ob->transflag |= OB_DUPLIPARTS;
}
particle_system_update(depsgraph, scene, ob, psys, use_render_params);
psys = psys->next;
}
else if (psys->flag & PSYS_DELETE) {
tpsys = psys->next;
BLI_remlink(&ob->particlesystem, psys);
psys_free(ob, psys);
psys = tpsys;
}
else {
psys = psys->next;
}
}
}
BKE_object_eval_boundbox(depsgraph, ob);
}
/**
* TODO(sergey): Ensure that bounding box is already calculated, and move this
* into #BKE_object_synchronize_to_original().
*/
void BKE_object_eval_boundbox(Depsgraph *depsgraph, Object *object)
{
if (!DEG_is_active(depsgraph)) {
return;
}
Object *ob_orig = DEG_get_original_object(object);
BoundBox *bb = BKE_object_boundbox_get(object);
if (bb != NULL) {
if (ob_orig->runtime.bb == NULL) {
ob_orig->runtime.bb = MEM_mallocN(sizeof(*ob_orig->runtime.bb), __func__);
}
*ob_orig->runtime.bb = *bb;
}
}
void BKE_object_synchronize_to_original(Depsgraph *depsgraph, Object *object)
{
if (!DEG_is_active(depsgraph)) {
return;
}
Object *object_orig = DEG_get_original_object(object);
/* Base flags. */
object_orig->base_flag = object->base_flag;
/* Transformation flags. */
copy_m4_m4(object_orig->obmat, object->obmat);
copy_m4_m4(object_orig->imat, object->imat);
copy_m4_m4(object_orig->constinv, object->constinv);
object_orig->transflag = object->transflag;
object_orig->flag = object->flag;
/* Copy back error messages from modifiers. */
for (ModifierData *md = object->modifiers.first, *md_orig = object_orig->modifiers.first;
md != NULL && md_orig != NULL;
md = md->next, md_orig = md_orig->next) {
BLI_assert(md->type == md_orig->type && STREQ(md->name, md_orig->name));
MEM_SAFE_FREE(md_orig->error);
if (md->error != NULL) {
md_orig->error = BLI_strdup(md->error);
}
}
}
bool BKE_object_eval_proxy_copy(Depsgraph *depsgraph, Object *object)
{
/* Handle proxy copy for target, */
if (ID_IS_LINKED(object) && object->proxy_from) {
DEG_debug_print_eval(depsgraph, __func__, object->id.name, object);
if (object->proxy_from->proxy_group) {
/* Transform proxy into group space. */
Object *obg = object->proxy_from->proxy_group;
float imat[4][4];
invert_m4_m4(imat, obg->obmat);
mul_m4_m4m4(object->obmat, imat, object->proxy_from->obmat);
/* Should always be true. */
if (obg->instance_collection) {
add_v3_v3(object->obmat[3], obg->instance_collection->instance_offset);
}
}
else {
copy_m4_m4(object->obmat, object->proxy_from->obmat);
}
return true;
}
return false;
}
void BKE_object_eval_uber_transform(Depsgraph *depsgraph, Object *object)
{
BKE_object_eval_proxy_copy(depsgraph, object);
}
void BKE_object_batch_cache_dirty_tag(Object *ob)
{
switch (ob->type) {
case OB_MESH:
BKE_mesh_batch_cache_dirty_tag(ob->data, BKE_MESH_BATCH_DIRTY_ALL);
break;
case OB_LATTICE:
BKE_lattice_batch_cache_dirty_tag(ob->data, BKE_LATTICE_BATCH_DIRTY_ALL);
break;
case OB_CURVE:
case OB_FONT:
case OB_SURF:
BKE_curve_batch_cache_dirty_tag(ob->data, BKE_CURVE_BATCH_DIRTY_ALL);
break;
case OB_MBALL:
BKE_mball_batch_cache_dirty_tag(ob->data, BKE_MBALL_BATCH_DIRTY_ALL);
break;
case OB_GPENCIL:
BKE_gpencil_batch_cache_dirty_tag(ob->data);
break;
}
}
void BKE_object_eval_uber_data(Depsgraph *depsgraph, Scene *scene, Object *ob)
{
DEG_debug_print_eval(depsgraph, __func__, ob->id.name, ob);
BLI_assert(ob->type != OB_ARMATURE);
BKE_object_handle_data_update(depsgraph, scene, ob);
BKE_object_batch_cache_dirty_tag(ob);
}
void BKE_object_eval_ptcache_reset(Depsgraph *depsgraph, Scene *scene, Object *object)
{
DEG_debug_print_eval(depsgraph, __func__, object->id.name, object);
BKE_ptcache_object_reset(scene, object, PTCACHE_RESET_DEPSGRAPH);
}
void BKE_object_eval_transform_all(Depsgraph *depsgraph, Scene *scene, Object *object)
{
/* This mimics full transform update chain from new depsgraph. */
BKE_object_eval_local_transform(depsgraph, object);
if (object->parent != NULL) {
BKE_object_eval_parent(depsgraph, object);
}
if (!BLI_listbase_is_empty(&object->constraints)) {
BKE_object_eval_constraints(depsgraph, scene, object);
}
BKE_object_eval_uber_transform(depsgraph, object);
BKE_object_eval_transform_final(depsgraph, object);
}
void BKE_object_data_select_update(Depsgraph *depsgraph, ID *object_data)
{
DEG_debug_print_eval(depsgraph, __func__, object_data->name, object_data);
switch (GS(object_data->name)) {
case ID_ME:
BKE_mesh_batch_cache_dirty_tag((Mesh *)object_data, BKE_MESH_BATCH_DIRTY_SELECT);
break;
case ID_CU:
BKE_curve_batch_cache_dirty_tag((Curve *)object_data, BKE_CURVE_BATCH_DIRTY_SELECT);
break;
case ID_LT:
BKE_lattice_batch_cache_dirty_tag((struct Lattice *)object_data,
BKE_LATTICE_BATCH_DIRTY_SELECT);
break;
default:
break;
}
}
void BKE_object_eval_eval_base_flags(Depsgraph *depsgraph,
Scene *scene,
const int view_layer_index,
Object *object,
int base_index,
const bool is_from_set)
{
/* TODO(sergey): Avoid list lookup. */
BLI_assert(view_layer_index >= 0);
ViewLayer *view_layer = BLI_findlink(&scene->view_layers, view_layer_index);
BLI_assert(view_layer != NULL);
BLI_assert(view_layer->object_bases_array != NULL);
BLI_assert(base_index >= 0);
BLI_assert(base_index < MEM_allocN_len(view_layer->object_bases_array) / sizeof(Base *));
Base *base = view_layer->object_bases_array[base_index];
BLI_assert(base->object == object);
DEG_debug_print_eval(depsgraph, __func__, object->id.name, object);
/* Set base flags based on collection and object restriction. */
BKE_base_eval_flags(base);
/* For render, compute base visibility again since BKE_base_eval_flags
* assumed viewport visibility. Selectability does not matter here. */
if (DEG_get_mode(depsgraph) == DAG_EVAL_RENDER) {
if (base->flag & BASE_ENABLED_RENDER) {
base->flag |= BASE_VISIBLE;
}
else {
base->flag &= ~BASE_VISIBLE;
}
}
/* Copy flags and settings from base. */
object->base_flag = base->flag;
if (is_from_set) {
object->base_flag |= BASE_FROM_SET;
object->base_flag &= ~(BASE_SELECTED | BASE_SELECTABLE);
}
object->base_local_view_bits = base->local_view_bits;
if (object->mode == OB_MODE_PARTICLE_EDIT) {
for (ParticleSystem *psys = object->particlesystem.first; psys != NULL; psys = psys->next) {
BKE_particle_batch_cache_dirty_tag(psys, BKE_PARTICLE_BATCH_DIRTY_ALL);
}
}
/* Copy base flag back to the original view layer for editing. */
if (DEG_is_active(depsgraph) && (view_layer == DEG_get_evaluated_view_layer(depsgraph))) {
Base *base_orig = base->base_orig;
BLI_assert(base_orig != NULL);
BLI_assert(base_orig->object != NULL);
base_orig->flag = base->flag;
}
}
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