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blender-archive/source/blender/blenkernel/intern/depsgraph.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) 2004 Blender Foundation.
* All rights reserved.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/blenkernel/intern/depsgraph.c
* \ingroup bke
*/
#include <stdio.h>
#include <string.h>
#include <math.h>
#include "MEM_guardedalloc.h"
#ifdef WIN32
# include "BLI_winstuff.h"
#endif
#include "BLI_utildefines.h"
#include "BLI_listbase.h"
#include "BLI_ghash.h"
#include "DNA_anim_types.h"
#include "DNA_camera_types.h"
#include "DNA_group_types.h"
#include "DNA_lamp_types.h"
#include "DNA_lattice_types.h"
#include "DNA_key_types.h"
#include "DNA_material_types.h"
#include "DNA_mesh_types.h"
#include "DNA_node_types.h"
#include "DNA_scene_types.h"
#include "DNA_screen_types.h"
#include "DNA_windowmanager_types.h"
#include "DNA_movieclip_types.h"
#include "DNA_mask_types.h"
#include "BKE_animsys.h"
#include "BKE_action.h"
#include "BKE_effect.h"
#include "BKE_fcurve.h"
#include "BKE_global.h"
#include "BKE_group.h"
#include "BKE_key.h"
#include "BKE_library.h"
#include "BKE_main.h"
#include "BKE_node.h"
#include "BKE_material.h"
#include "BKE_mball.h"
#include "BKE_modifier.h"
#include "BKE_object.h"
#include "BKE_particle.h"
#include "BKE_pointcache.h"
#include "BKE_scene.h"
#include "BKE_screen.h"
#include "BKE_tracking.h"
#include "depsgraph_private.h"
/* Queue and stack operations for dag traversal
*
* the queue store a list of freenodes to avoid successive alloc/dealloc
*/
DagNodeQueue *queue_create(int slots)
{
DagNodeQueue *queue;
DagNodeQueueElem *elem;
int i;
queue = MEM_mallocN(sizeof(DagNodeQueue), "DAG queue");
queue->freenodes = MEM_mallocN(sizeof(DagNodeQueue), "DAG queue");
queue->count = 0;
queue->maxlevel = 0;
queue->first = queue->last = NULL;
elem = MEM_mallocN(sizeof(DagNodeQueueElem), "DAG queue elem3");
elem->node = NULL;
elem->next = NULL;
queue->freenodes->first = queue->freenodes->last = elem;
for (i = 1; i < slots; i++) {
elem = MEM_mallocN(sizeof(DagNodeQueueElem), "DAG queue elem4");
elem->node = NULL;
elem->next = NULL;
queue->freenodes->last->next = elem;
queue->freenodes->last = elem;
}
queue->freenodes->count = slots;
return queue;
}
void queue_raz(DagNodeQueue *queue)
{
DagNodeQueueElem *elem;
elem = queue->first;
if (queue->freenodes->last)
queue->freenodes->last->next = elem;
else
queue->freenodes->first = queue->freenodes->last = elem;
elem->node = NULL;
queue->freenodes->count++;
while (elem->next) {
elem = elem->next;
elem->node = NULL;
queue->freenodes->count++;
}
queue->freenodes->last = elem;
queue->count = 0;
}
void queue_delete(DagNodeQueue *queue)
{
DagNodeQueueElem *elem;
DagNodeQueueElem *temp;
elem = queue->first;
while (elem) {
temp = elem;
elem = elem->next;
MEM_freeN(temp);
}
elem = queue->freenodes->first;
while (elem) {
temp = elem;
elem = elem->next;
MEM_freeN(temp);
}
MEM_freeN(queue->freenodes);
MEM_freeN(queue);
}
/* insert in queue, remove in front */
void push_queue(DagNodeQueue *queue, DagNode *node)
{
DagNodeQueueElem *elem;
int i;
if (node == NULL) {
fprintf(stderr, "pushing null node\n");
return;
}
/*fprintf(stderr, "BFS push : %s %d\n", ((ID *) node->ob)->name, queue->count);*/
elem = queue->freenodes->first;
if (elem != NULL) {
queue->freenodes->first = elem->next;
if (queue->freenodes->last == elem) {
queue->freenodes->last = NULL;
queue->freenodes->first = NULL;
}
queue->freenodes->count--;
}
else { /* alllocating more */
elem = MEM_mallocN(sizeof(DagNodeQueueElem), "DAG queue elem1");
elem->node = NULL;
elem->next = NULL;
queue->freenodes->first = queue->freenodes->last = elem;
for (i = 1; i < DAGQUEUEALLOC; i++) {
elem = MEM_mallocN(sizeof(DagNodeQueueElem), "DAG queue elem2");
elem->node = NULL;
elem->next = NULL;
queue->freenodes->last->next = elem;
queue->freenodes->last = elem;
}
queue->freenodes->count = DAGQUEUEALLOC;
elem = queue->freenodes->first;
queue->freenodes->first = elem->next;
}
elem->next = NULL;
elem->node = node;
if (queue->last != NULL)
queue->last->next = elem;
queue->last = elem;
if (queue->first == NULL) {
queue->first = elem;
}
queue->count++;
}
/* insert in front, remove in front */
void push_stack(DagNodeQueue *queue, DagNode *node)
{
DagNodeQueueElem *elem;
int i;
elem = queue->freenodes->first;
if (elem != NULL) {
queue->freenodes->first = elem->next;
if (queue->freenodes->last == elem) {
queue->freenodes->last = NULL;
queue->freenodes->first = NULL;
}
queue->freenodes->count--;
}
else { /* alllocating more */
elem = MEM_mallocN(sizeof(DagNodeQueueElem), "DAG queue elem1");
elem->node = NULL;
elem->next = NULL;
queue->freenodes->first = queue->freenodes->last = elem;
for (i = 1; i < DAGQUEUEALLOC; i++) {
elem = MEM_mallocN(sizeof(DagNodeQueueElem), "DAG queue elem2");
elem->node = NULL;
elem->next = NULL;
queue->freenodes->last->next = elem;
queue->freenodes->last = elem;
}
queue->freenodes->count = DAGQUEUEALLOC;
elem = queue->freenodes->first;
queue->freenodes->first = elem->next;
}
elem->next = queue->first;
elem->node = node;
queue->first = elem;
if (queue->last == NULL)
queue->last = elem;
queue->count++;
}
DagNode *pop_queue(DagNodeQueue *queue)
{
DagNodeQueueElem *elem;
DagNode *node;
elem = queue->first;
if (elem) {
queue->first = elem->next;
if (queue->last == elem) {
queue->last = NULL;
queue->first = NULL;
}
queue->count--;
if (queue->freenodes->last)
queue->freenodes->last->next = elem;
queue->freenodes->last = elem;
if (queue->freenodes->first == NULL)
queue->freenodes->first = elem;
node = elem->node;
elem->node = NULL;
elem->next = NULL;
queue->freenodes->count++;
return node;
}
else {
fprintf(stderr, "return null\n");
return NULL;
}
}
DagNode *get_top_node_queue(DagNodeQueue *queue)
{
return queue->first->node;
}
DagForest *dag_init(void)
{
DagForest *forest;
/* use callocN to init all zero */
forest = MEM_callocN(sizeof(DagForest), "DAG root");
return forest;
}
/* isdata = object data... */
/* XXX this needs to be extended to be more flexible (so that not only objects are evaluated via depsgraph)... */
static void dag_add_driver_relation(AnimData *adt, DagForest *dag, DagNode *node, int isdata)
{
FCurve *fcu;
DagNode *node1;
for (fcu = adt->drivers.first; fcu; fcu = fcu->next) {
ChannelDriver *driver = fcu->driver;
DriverVar *dvar;
int isdata_fcu = (isdata) || (fcu->rna_path && strstr(fcu->rna_path, "modifiers["));
/* loop over variables to get the target relationships */
for (dvar = driver->variables.first; dvar; dvar = dvar->next) {
/* only used targets */
DRIVER_TARGETS_USED_LOOPER(dvar)
{
if (dtar->id) {
/* FIXME: other data types need to be added here so that they can work! */
if (GS(dtar->id->name) == ID_OB) {
Object *ob = (Object *)dtar->id;
/* normal channel-drives-channel */
node1 = dag_get_node(dag, dtar->id);
/* check if bone... */
if ((ob->type == OB_ARMATURE) &&
( ((dtar->rna_path) && strstr(dtar->rna_path, "pose.bones[")) ||
((dtar->flag & DTAR_FLAG_STRUCT_REF) && (dtar->pchan_name[0])) ))
{
dag_add_relation(dag, node1, node, isdata_fcu ? DAG_RL_DATA_DATA : DAG_RL_DATA_OB, "Driver");
}
/* check if ob data */
else if (dtar->rna_path && strstr(dtar->rna_path, "data."))
dag_add_relation(dag, node1, node, isdata_fcu ? DAG_RL_DATA_DATA : DAG_RL_DATA_OB, "Driver");
/* normal */
else
dag_add_relation(dag, node1, node, isdata_fcu ? DAG_RL_OB_DATA : DAG_RL_OB_OB, "Driver");
}
}
}
DRIVER_TARGETS_LOOPER_END
}
}
}
/* XXX: forward def for material driver handling... */
static void dag_add_material_driver_relations(DagForest *dag, DagNode *node, Material *ma);
/* recursive handling for shader nodetree drivers */
static void dag_add_shader_nodetree_driver_relations(DagForest *dag, DagNode *node, bNodeTree *ntree)
{
bNode *n;
/* nodetree itself */
if (ntree->adt) {
dag_add_driver_relation(ntree->adt, dag, node, 1);
}
/* nodetree's nodes... */
for (n = ntree->nodes.first; n; n = n->next) {
if (n->id) {
if (GS(n->id->name) == ID_MA) {
dag_add_material_driver_relations(dag, node, (Material *)n->id);
}
else if (n->type == NODE_GROUP) {
dag_add_shader_nodetree_driver_relations(dag, node, (bNodeTree *)n->id);
}
}
}
}
/* recursive handling for material drivers */
static void dag_add_material_driver_relations(DagForest *dag, DagNode *node, Material *ma)
{
/* Prevent infinite recursion by checking (and tagging the material) as having been visited
* already (see build_dag()). This assumes ma->id.flag & LIB_DOIT isn't set by anything else
* in the meantime... [#32017]
*/
if (ma->id.flag & LIB_DOIT)
return;
ma->id.flag |= LIB_DOIT;
/* material itself */
if (ma->adt)
dag_add_driver_relation(ma->adt, dag, node, 1);
/* textures */
// TODO...
//dag_add_texture_driver_relations(DagForest *dag, DagNode *node, ID *id);
/* material's nodetree */
if (ma->nodetree)
dag_add_shader_nodetree_driver_relations(dag, node, ma->nodetree);
ma->id.flag &= ~LIB_DOIT;
}
/* recursive handling for lamp drivers */
static void dag_add_lamp_driver_relations(DagForest *dag, DagNode *node, Lamp *la)
{
/* Prevent infinite recursion by checking (and tagging the lamp) as having been visited
* already (see build_dag()). This assumes la->id.flag & LIB_DOIT isn't set by anything else
* in the meantime... [#32017]
*/
if (la->id.flag & LIB_DOIT)
return;
la->id.flag |= LIB_DOIT;
/* lamp itself */
if (la->adt)
dag_add_driver_relation(la->adt, dag, node, 1);
/* textures */
// TODO...
//dag_add_texture_driver_relations(DagForest *dag, DagNode *node, ID *id);
/* lamp's nodetree */
if (la->nodetree)
dag_add_shader_nodetree_driver_relations(dag, node, la->nodetree);
la->id.flag &= ~LIB_DOIT;
}
static void dag_add_collision_field_relation(DagForest *dag, Scene *scene, Object *ob, DagNode *node, int skip_forcefield, bool no_collision)
{
Base *base;
DagNode *node2;
/* would be nice to have a list of colliders here
* so for now walk all objects in scene check 'same layer rule' */
for (base = scene->base.first; base; base = base->next) {
if ((base->lay & ob->lay) && base->object->pd) {
Object *ob1 = base->object;
if ((ob1->pd->deflect || ob1->pd->forcefield) && (ob1 != ob)) {
if ((skip_forcefield && ob1->pd->forcefield == skip_forcefield) || (no_collision && ob1->pd->forcefield == 0))
continue;
node2 = dag_get_node(dag, ob1);
dag_add_relation(dag, node2, node, DAG_RL_DATA_DATA | DAG_RL_OB_DATA, "Field Collision");
}
}
}
}
static void build_dag_object(DagForest *dag, DagNode *scenenode, Scene *scene, Object *ob, int mask)
{
bConstraint *con;
DagNode *node;
DagNode *node2;
DagNode *node3;
Key *key;
ParticleSystem *psys;
int addtoroot = 1;
node = dag_get_node(dag, ob);
if ((ob->data) && (mask & DAG_RL_DATA)) {
node2 = dag_get_node(dag, ob->data);
dag_add_relation(dag, node, node2, DAG_RL_DATA, "Object-Data Relation");
node2->first_ancestor = ob;
node2->ancestor_count += 1;
}
/* also build a custom data mask for dependencies that need certain layers */
node->customdata_mask = 0;
if (ob->type == OB_ARMATURE) {
if (ob->pose) {
bPoseChannel *pchan;
for (pchan = ob->pose->chanbase.first; pchan; pchan = pchan->next) {
for (con = pchan->constraints.first; con; con = con->next) {
bConstraintTypeInfo *cti = BKE_constraint_get_typeinfo(con);
ListBase targets = {NULL, NULL};
bConstraintTarget *ct;
if (cti && cti->get_constraint_targets) {
cti->get_constraint_targets(con, &targets);
for (ct = targets.first; ct; ct = ct->next) {
if (ct->tar && ct->tar != ob) {
// fprintf(stderr, "armature %s target :%s\n", ob->id.name, target->id.name);
node3 = dag_get_node(dag, ct->tar);
if (ct->subtarget[0]) {
dag_add_relation(dag, node3, node, DAG_RL_OB_DATA | DAG_RL_DATA_DATA, cti->name);
if (ct->tar->type == OB_MESH)
node3->customdata_mask |= CD_MASK_MDEFORMVERT;
}
else if (ELEM3(con->type, CONSTRAINT_TYPE_FOLLOWPATH, CONSTRAINT_TYPE_CLAMPTO, CONSTRAINT_TYPE_SPLINEIK))
dag_add_relation(dag, node3, node, DAG_RL_DATA_DATA | DAG_RL_OB_DATA, cti->name);
else
dag_add_relation(dag, node3, node, DAG_RL_OB_DATA, cti->name);
}
}
if (cti->flush_constraint_targets)
cti->flush_constraint_targets(con, &targets, 1);
}
}
}
}
}
/* driver dependencies, nla modifiers */
#if 0 // XXX old animation system
if (ob->nlastrips.first) {
bActionStrip *strip;
bActionChannel *chan;
for (strip = ob->nlastrips.first; strip; strip = strip->next) {
if (strip->modifiers.first) {
bActionModifier *amod;
for (amod = strip->modifiers.first; amod; amod = amod->next) {
if (amod->ob) {
node2 = dag_get_node(dag, amod->ob);
dag_add_relation(dag, node2, node, DAG_RL_DATA_DATA | DAG_RL_OB_DATA, "NLA Strip Modifier");
}
}
}
}
}
#endif // XXX old animation system
if (ob->adt)
dag_add_driver_relation(ob->adt, dag, node, (ob->type == OB_ARMATURE)); // XXX isdata arg here doesn't give an accurate picture of situation
key = BKE_key_from_object(ob);
if (key && key->adt)
dag_add_driver_relation(key->adt, dag, node, 1);
if (ob->modifiers.first) {
ModifierData *md;
for (md = ob->modifiers.first; md; md = md->next) {
ModifierTypeInfo *mti = modifierType_getInfo(md->type);
if (mti->updateDepgraph) mti->updateDepgraph(md, dag, scene, ob, node);
}
}
if (ob->parent) {
node2 = dag_get_node(dag, ob->parent);
switch (ob->partype) {
case PARSKEL:
dag_add_relation(dag, node2, node, DAG_RL_DATA_DATA | DAG_RL_OB_OB, "Parent");
break;
case PARVERT1: case PARVERT3:
dag_add_relation(dag, node2, node, DAG_RL_DATA_OB | DAG_RL_OB_OB, "Vertex Parent");
node2->customdata_mask |= CD_MASK_ORIGINDEX;
break;
case PARBONE:
dag_add_relation(dag, node2, node, DAG_RL_DATA_OB | DAG_RL_OB_OB, "Bone Parent");
break;
default:
if (ob->parent->type == OB_LATTICE)
dag_add_relation(dag, node2, node, DAG_RL_DATA_DATA | DAG_RL_OB_OB, "Lattice Parent");
else if (ob->parent->type == OB_CURVE) {
Curve *cu = ob->parent->data;
if (cu->flag & CU_PATH)
dag_add_relation(dag, node2, node, DAG_RL_DATA_OB | DAG_RL_OB_OB, "Curve Parent");
else
dag_add_relation(dag, node2, node, DAG_RL_OB_OB, "Curve Parent");
}
else
dag_add_relation(dag, node2, node, DAG_RL_OB_OB, "Parent");
break;
}
/* exception case: parent is duplivert */
if (ob->type == OB_MBALL && (ob->parent->transflag & OB_DUPLIVERTS)) {
dag_add_relation(dag, node2, node, DAG_RL_DATA_DATA | DAG_RL_OB_OB, "Duplivert");
}
addtoroot = 0;
}
if (ob->proxy) {
node2 = dag_get_node(dag, ob->proxy);
dag_add_relation(dag, node, node2, DAG_RL_DATA_DATA | DAG_RL_OB_OB, "Proxy");
/* inverted relation, so addtoroot shouldn't be set to zero */
}
if (ob->transflag & OB_DUPLI) {
if ((ob->transflag & OB_DUPLIGROUP) && ob->dup_group) {
GroupObject *go;
for (go = ob->dup_group->gobject.first; go; go = go->next) {
if (go->ob) {
node2 = dag_get_node(dag, go->ob);
/* node2 changes node1, this keeps animations updated in groups?? not logical? */
dag_add_relation(dag, node2, node, DAG_RL_OB_OB, "Dupligroup");
}
}
}
}
/* softbody collision */
if ((ob->type == OB_MESH) || (ob->type == OB_CURVE) || (ob->type == OB_LATTICE)) {
if (ob->particlesystem.first ||
modifiers_isModifierEnabled(ob, eModifierType_Softbody) ||
modifiers_isModifierEnabled(ob, eModifierType_Cloth) ||
modifiers_isModifierEnabled(ob, eModifierType_DynamicPaint))
{
dag_add_collision_field_relation(dag, scene, ob, node, 0, false); /* TODO: use effectorweight->group */
}
else if (modifiers_isModifierEnabled(ob, eModifierType_Smoke)) {
dag_add_collision_field_relation(dag, scene, ob, node, PFIELD_SMOKEFLOW, false);
}
else if (ob->rigidbody_object) {
dag_add_collision_field_relation(dag, scene, ob, node, 0, true);
}
}
/* object data drivers */
if (ob->data) {
AnimData *adt = BKE_animdata_from_id((ID *)ob->data);
if (adt)
dag_add_driver_relation(adt, dag, node, 1);
}
/* object type/data relationships */
switch (ob->type) {
case OB_CAMERA:
{
Camera *cam = (Camera *)ob->data;
if (cam->dof_ob) {
node2 = dag_get_node(dag, cam->dof_ob);
dag_add_relation(dag, node2, node, DAG_RL_OB_OB, "Camera DoF");
}
break;
}
case OB_MBALL:
{
Object *mom = BKE_mball_basis_find(scene, ob);
if (mom != ob) {
node2 = dag_get_node(dag, mom);
dag_add_relation(dag, node, node2, DAG_RL_DATA_DATA | DAG_RL_OB_DATA, "Metaball"); /* mom depends on children! */
}
break;
}
case OB_CURVE:
case OB_FONT:
{
Curve *cu = ob->data;
if (cu->bevobj) {
node2 = dag_get_node(dag, cu->bevobj);
dag_add_relation(dag, node2, node, DAG_RL_DATA_DATA | DAG_RL_OB_DATA, "Curve Bevel");
}
if (cu->taperobj) {
node2 = dag_get_node(dag, cu->taperobj);
dag_add_relation(dag, node2, node, DAG_RL_DATA_DATA | DAG_RL_OB_DATA, "Curve Taper");
}
if (ob->type == OB_FONT) {
if (cu->textoncurve) {
node2 = dag_get_node(dag, cu->textoncurve);
dag_add_relation(dag, node2, node, DAG_RL_DATA_DATA | DAG_RL_OB_DATA, "Texture On Curve");
}
}
break;
}
}
/* material drivers */
if (ob->totcol) {
int a;
for (a = 1; a <= ob->totcol; a++) {
Material *ma = give_current_material(ob, a);
if (ma) {
/* recursively figure out if there are drivers, and hook these up to this object */
dag_add_material_driver_relations(dag, node, ma);
}
}
}
else if (ob->type == OB_LAMP) {
dag_add_lamp_driver_relations(dag, node, ob->data);
}
/* particles */
psys = ob->particlesystem.first;
if (psys) {
GroupObject *go;
for (; psys; psys = psys->next) {
BoidRule *rule = NULL;
BoidState *state = NULL;
ParticleSettings *part = psys->part;
ListBase *effectors = NULL;
EffectorCache *eff;
dag_add_relation(dag, node, node, DAG_RL_OB_DATA, "Particle-Object Relation");
if (!psys_check_enabled(ob, psys))
continue;
if (ELEM(part->phystype, PART_PHYS_KEYED, PART_PHYS_BOIDS)) {
ParticleTarget *pt = psys->targets.first;
for (; pt; pt = pt->next) {
if (pt->ob && BLI_findlink(&pt->ob->particlesystem, pt->psys - 1)) {
node2 = dag_get_node(dag, pt->ob);
dag_add_relation(dag, node2, node, DAG_RL_DATA_DATA | DAG_RL_OB_DATA, "Particle Targets");
}
}
}
if (part->ren_as == PART_DRAW_OB && part->dup_ob) {
node2 = dag_get_node(dag, part->dup_ob);
/* note that this relation actually runs in the wrong direction, the problem
* is that dupli system all have this (due to parenting), and the render
* engine instancing assumes particular ordering of objects in list */
dag_add_relation(dag, node, node2, DAG_RL_OB_OB, "Particle Object Visualization");
if (part->dup_ob->type == OB_MBALL)
dag_add_relation(dag, node, node2, DAG_RL_DATA_DATA, "Particle Object Visualization");
}
if (part->ren_as == PART_DRAW_GR && part->dup_group) {
for (go = part->dup_group->gobject.first; go; go = go->next) {
node2 = dag_get_node(dag, go->ob);
dag_add_relation(dag, node2, node, DAG_RL_OB_OB, "Particle Group Visualization");
}
}
effectors = pdInitEffectors(scene, ob, psys, part->effector_weights);
if (effectors) {
for (eff = effectors->first; eff; eff = eff->next) {
if (eff->psys) {
node2 = dag_get_node(dag, eff->ob);
dag_add_relation(dag, node2, node, DAG_RL_DATA_DATA | DAG_RL_OB_DATA, "Particle Field");
}
}
}
pdEndEffectors(&effectors);
if (part->boids) {
for (state = part->boids->states.first; state; state = state->next) {
for (rule = state->rules.first; rule; rule = rule->next) {
Object *ruleob = NULL;
if (rule->type == eBoidRuleType_Avoid)
ruleob = ((BoidRuleGoalAvoid *)rule)->ob;
else if (rule->type == eBoidRuleType_FollowLeader)
ruleob = ((BoidRuleFollowLeader *)rule)->ob;
if (ruleob) {
node2 = dag_get_node(dag, ruleob);
dag_add_relation(dag, node2, node, DAG_RL_OB_DATA, "Boid Rule");
}
}
}
}
}
}
/* object constraints */
for (con = ob->constraints.first; con; con = con->next) {
bConstraintTypeInfo *cti = BKE_constraint_get_typeinfo(con);
ListBase targets = {NULL, NULL};
bConstraintTarget *ct;
if (!cti)
continue;
/* special case for camera tracking -- it doesn't use targets to define relations */
if (ELEM3(cti->type, CONSTRAINT_TYPE_FOLLOWTRACK, CONSTRAINT_TYPE_CAMERASOLVER, CONSTRAINT_TYPE_OBJECTSOLVER)) {
int depends_on_camera = 0;
if (cti->type == CONSTRAINT_TYPE_FOLLOWTRACK) {
bFollowTrackConstraint *data = (bFollowTrackConstraint *)con->data;
if ((data->clip || data->flag & FOLLOWTRACK_ACTIVECLIP) && data->track[0])
depends_on_camera = 1;
if (data->depth_ob) {
node2 = dag_get_node(dag, data->depth_ob);
dag_add_relation(dag, node2, node, DAG_RL_DATA_OB | DAG_RL_OB_OB, cti->name);
}
}
else if (cti->type == CONSTRAINT_TYPE_OBJECTSOLVER)
depends_on_camera = 1;
if (depends_on_camera && scene->camera) {
node2 = dag_get_node(dag, scene->camera);
dag_add_relation(dag, node2, node, DAG_RL_DATA_OB | DAG_RL_OB_OB, cti->name);
}
dag_add_relation(dag, scenenode, node, DAG_RL_SCENE, "Scene Relation");
addtoroot = 0;
}
else if (cti->get_constraint_targets) {
cti->get_constraint_targets(con, &targets);
for (ct = targets.first; ct; ct = ct->next) {
Object *obt;
if (ct->tar)
obt = ct->tar;
else
continue;
node2 = dag_get_node(dag, obt);
if (ELEM(con->type, CONSTRAINT_TYPE_FOLLOWPATH, CONSTRAINT_TYPE_CLAMPTO))
dag_add_relation(dag, node2, node, DAG_RL_DATA_OB | DAG_RL_OB_OB, cti->name);
else {
if (ELEM3(obt->type, OB_ARMATURE, OB_MESH, OB_LATTICE) && (ct->subtarget[0])) {
dag_add_relation(dag, node2, node, DAG_RL_DATA_OB | DAG_RL_OB_OB, cti->name);
if (obt->type == OB_MESH)
node2->customdata_mask |= CD_MASK_MDEFORMVERT;
}
else
dag_add_relation(dag, node2, node, DAG_RL_OB_OB, cti->name);
}
addtoroot = 0;
}
if (cti->flush_constraint_targets)
cti->flush_constraint_targets(con, &targets, 1);
}
}
if (addtoroot == 1)
dag_add_relation(dag, scenenode, node, DAG_RL_SCENE, "Scene Relation");
}
DagForest *build_dag(Main *bmain, Scene *sce, short mask)
{
Base *base;
Object *ob;
Group *group;
GroupObject *go;
DagNode *node;
DagNode *scenenode;
DagForest *dag;
DagAdjList *itA;
dag = sce->theDag;
if (dag)
free_forest(dag);
else {
dag = dag_init();
sce->theDag = dag;
}
/* clear "LIB_DOIT" flag from all materials, to prevent infinite recursion problems later [#32017] */
tag_main_idcode(bmain, ID_MA, FALSE);
tag_main_idcode(bmain, ID_LA, FALSE);
/* add base node for scene. scene is always the first node in DAG */
scenenode = dag_add_node(dag, sce);
/* add current scene objects */
for (base = sce->base.first; base; base = base->next) {
ob = base->object;
build_dag_object(dag, scenenode, sce, ob, mask);
if (ob->proxy)
build_dag_object(dag, scenenode, sce, ob->proxy, mask);
/* handled in next loop */
if (ob->dup_group)
ob->dup_group->id.flag |= LIB_DOIT;
}
/* add groups used in current scene objects */
for (group = bmain->group.first; group; group = group->id.next) {
if (group->id.flag & LIB_DOIT) {
for (go = group->gobject.first; go; go = go->next) {
build_dag_object(dag, scenenode, sce, go->ob, mask);
}
group->id.flag &= ~LIB_DOIT;
}
}
/* Now all relations were built, but we need to solve 1 exceptional case;
* When objects have multiple "parents" (for example parent + constraint working on same object)
* the relation type has to be synced. One of the parents can change, and should give same event to child */
/* nodes were callocced, so we can use node->color for temporal storage */
for (node = sce->theDag->DagNode.first; node; node = node->next) {
if (node->type == ID_OB) {
for (itA = node->child; itA; itA = itA->next) {
if (itA->node->type == ID_OB) {
itA->node->color |= itA->type;
}
}
/* also flush custom data mask */
((Object *)node->ob)->customdata_mask = node->customdata_mask;
}
}
/* now set relations equal, so that when only one parent changes, the correct recalcs are found */
for (node = sce->theDag->DagNode.first; node; node = node->next) {
if (node->type == ID_OB) {
for (itA = node->child; itA; itA = itA->next) {
if (itA->node->type == ID_OB) {
itA->type |= itA->node->color;
}
}
}
}
/* cycle detection and solving */
// solve_cycles(dag);
return dag;
}
void free_forest(DagForest *Dag)
{ /* remove all nodes and deps */
DagNode *tempN;
DagAdjList *tempA;
DagAdjList *itA;
DagNode *itN = Dag->DagNode.first;
while (itN) {
itA = itN->child;
while (itA) {
tempA = itA;
itA = itA->next;
MEM_freeN(tempA);
}
itA = itN->parent;
while (itA) {
tempA = itA;
itA = itA->next;
MEM_freeN(tempA);
}
tempN = itN;
itN = itN->next;
MEM_freeN(tempN);
}
BLI_ghash_free(Dag->nodeHash, NULL, NULL);
Dag->nodeHash = NULL;
Dag->DagNode.first = NULL;
Dag->DagNode.last = NULL;
Dag->numNodes = 0;
}
DagNode *dag_find_node(DagForest *forest, void *fob)
{
if (forest->nodeHash)
return BLI_ghash_lookup(forest->nodeHash, fob);
return NULL;
}
static int ugly_hack_sorry = 1; /* prevent type check */
static int dag_print_dependencies = 0; /* debugging */
/* no checking of existence, use dag_find_node first or dag_get_node */
DagNode *dag_add_node(DagForest *forest, void *fob)
{
DagNode *node;
node = MEM_callocN(sizeof(DagNode), "DAG node");
if (node) {
node->ob = fob;
node->color = DAG_WHITE;
if (ugly_hack_sorry) node->type = GS(((ID *) fob)->name); /* sorry, done for pose sorting */
if (forest->numNodes) {
((DagNode *) forest->DagNode.last)->next = node;
forest->DagNode.last = node;
forest->numNodes++;
}
else {
forest->DagNode.last = node;
forest->DagNode.first = node;
forest->numNodes = 1;
}
if (!forest->nodeHash)
forest->nodeHash = BLI_ghash_ptr_new("dag_add_node gh");
BLI_ghash_insert(forest->nodeHash, fob, node);
}
return node;
}
DagNode *dag_get_node(DagForest *forest, void *fob)
{
DagNode *node;
node = dag_find_node(forest, fob);
if (!node)
node = dag_add_node(forest, fob);
return node;
}
DagNode *dag_get_sub_node(DagForest *forest, void *fob)
{
DagNode *node;
DagAdjList *mainchild, *prev = NULL;
mainchild = ((DagNode *) forest->DagNode.first)->child;
/* remove from first node (scene) adj list if present */
while (mainchild) {
if (mainchild->node == fob) {
if (prev) {
prev->next = mainchild->next;
MEM_freeN(mainchild);
break;
}
else {
((DagNode *) forest->DagNode.first)->child = mainchild->next;
MEM_freeN(mainchild);
break;
}
}
prev = mainchild;
mainchild = mainchild->next;
}
node = dag_find_node(forest, fob);
if (!node)
node = dag_add_node(forest, fob);
return node;
}
static void dag_add_parent_relation(DagForest *UNUSED(forest), DagNode *fob1, DagNode *fob2, short rel, const char *name)
{
DagAdjList *itA = fob2->parent;
while (itA) { /* search if relation exist already */
if (itA->node == fob1) {
itA->type |= rel;
itA->count += 1;
return;
}
itA = itA->next;
}
/* create new relation and insert at head. MALLOC alert! */
itA = MEM_mallocN(sizeof(DagAdjList), "DAG adj list");
itA->node = fob1;
itA->type = rel;
itA->count = 1;
itA->next = fob2->parent;
itA->name = name;
fob2->parent = itA;
}
void dag_add_relation(DagForest *forest, DagNode *fob1, DagNode *fob2, short rel, const char *name)
{
DagAdjList *itA = fob1->child;
/* parent relation is for cycle checking */
dag_add_parent_relation(forest, fob1, fob2, rel, name);
while (itA) { /* search if relation exist already */
if (itA->node == fob2) {
itA->type |= rel;
itA->count += 1;
return;
}
itA = itA->next;
}
/* create new relation and insert at head. MALLOC alert! */
itA = MEM_mallocN(sizeof(DagAdjList), "DAG adj list");
itA->node = fob2;
itA->type = rel;
itA->count = 1;
itA->next = fob1->child;
itA->name = name;
fob1->child = itA;
}
static const char *dag_node_name(DagNode *node)
{
if (node->ob == NULL)
return "null";
else if (ugly_hack_sorry)
return ((ID *)(node->ob))->name + 2;
else
return ((bPoseChannel *)(node->ob))->name;
}
static void dag_node_print_dependencies(DagNode *node)
{
DagAdjList *itA;
printf("%s depends on:\n", dag_node_name(node));
for (itA = node->parent; itA; itA = itA->next)
printf(" %s through %s\n", dag_node_name(itA->node), itA->name);
printf("\n");
}
static int dag_node_print_dependency_recurs(DagNode *node, DagNode *endnode)
{
DagAdjList *itA;
if (node->color == DAG_BLACK)
return 0;
node->color = DAG_BLACK;
if (node == endnode)
return 1;
for (itA = node->parent; itA; itA = itA->next) {
if (dag_node_print_dependency_recurs(itA->node, endnode)) {
printf(" %s depends on %s through %s.\n", dag_node_name(node), dag_node_name(itA->node), itA->name);
return 1;
}
}
return 0;
}
static void dag_node_print_dependency_cycle(DagForest *dag, DagNode *startnode, DagNode *endnode, const char *name)
{
DagNode *node;
for (node = dag->DagNode.first; node; node = node->next)
node->color = DAG_WHITE;
printf(" %s depends on %s through %s.\n", dag_node_name(endnode), dag_node_name(startnode), name);
dag_node_print_dependency_recurs(startnode, endnode);
printf("\n");
}
static int dag_node_recurs_level(DagNode *node, int level)
{
DagAdjList *itA;
int newlevel;
node->color = DAG_BLACK; /* done */
newlevel = ++level;
for (itA = node->parent; itA; itA = itA->next) {
if (itA->node->color == DAG_WHITE) {
itA->node->ancestor_count = dag_node_recurs_level(itA->node, level);
newlevel = MAX2(newlevel, level + itA->node->ancestor_count);
}
else
newlevel = MAX2(newlevel, level + itA->node->ancestor_count);
}
return newlevel;
}
static void dag_check_cycle(DagForest *dag)
{
DagNode *node;
DagAdjList *itA;
/* debugging print */
if (dag_print_dependencies)
for (node = dag->DagNode.first; node; node = node->next)
dag_node_print_dependencies(node);
/* tag nodes unchecked */
for (node = dag->DagNode.first; node; node = node->next)
node->color = DAG_WHITE;
for (node = dag->DagNode.first; node; node = node->next) {
if (node->color == DAG_WHITE) {
node->ancestor_count = dag_node_recurs_level(node, 0);
}
}
/* check relations, and print errors */
for (node = dag->DagNode.first; node; node = node->next) {
for (itA = node->parent; itA; itA = itA->next) {
if (itA->node->ancestor_count > node->ancestor_count) {
if (node->ob && itA->node->ob) {
printf("Dependency cycle detected:\n");
dag_node_print_dependency_cycle(dag, itA->node, node, itA->name);
}
}
}
}
/* parent relations are only needed for cycle checking, so free now */
for (node = dag->DagNode.first; node; node = node->next) {
while (node->parent) {
itA = node->parent->next;
MEM_freeN(node->parent);
node->parent = itA;
}
}
}
/* debug test functions */
void graph_print_queue(DagNodeQueue *nqueue)
{
DagNodeQueueElem *queueElem;
queueElem = nqueue->first;
while (queueElem) {
fprintf(stderr, "** %s %i %i-%i ", ((ID *) queueElem->node->ob)->name, queueElem->node->color, queueElem->node->DFS_dvtm, queueElem->node->DFS_fntm);
queueElem = queueElem->next;
}
fprintf(stderr, "\n");
}
void graph_print_queue_dist(DagNodeQueue *nqueue)
{
DagNodeQueueElem *queueElem;
int count;
queueElem = nqueue->first;
count = 0;
while (queueElem) {
fprintf(stderr, "** %25s %2.2i-%2.2i ", ((ID *) queueElem->node->ob)->name, queueElem->node->DFS_dvtm, queueElem->node->DFS_fntm);
while (count < queueElem->node->DFS_dvtm - 1) { fputc(' ', stderr); count++; }
fputc('|', stderr);
while (count < queueElem->node->DFS_fntm - 2) { fputc('-', stderr); count++; }
fputc('|', stderr);
fputc('\n', stderr);
count = 0;
queueElem = queueElem->next;
}
fprintf(stderr, "\n");
}
void graph_print_adj_list(DagForest *dag)
{
DagNode *node;
DagAdjList *itA;
node = dag->DagNode.first;
while (node) {
fprintf(stderr, "node : %s col: %i", ((ID *) node->ob)->name, node->color);
itA = node->child;
while (itA) {
fprintf(stderr, "-- %s ", ((ID *) itA->node->ob)->name);
itA = itA->next;
}
fprintf(stderr, "\n");
node = node->next;
}
}
/* ************************ API *********************** */
/* mechanism to allow editors to be informed of depsgraph updates,
* to do their own updates based on changes... */
static void (*EditorsUpdateIDCb)(Main *bmain, ID *id) = NULL;
static void (*EditorsUpdateSceneCb)(Main *bmain, Scene *scene, int updated) = NULL;
void DAG_editors_update_cb(void (*id_func)(Main *bmain, ID *id), void (*scene_func)(Main *bmain, Scene *scene, int updated))
{
EditorsUpdateIDCb = id_func;
EditorsUpdateSceneCb = scene_func;
}
static void dag_editors_id_update(Main *bmain, ID *id)
{
if (EditorsUpdateIDCb)
EditorsUpdateIDCb(bmain, id);
}
static void dag_editors_scene_update(Main *bmain, Scene *scene, int updated)
{
if (EditorsUpdateSceneCb)
EditorsUpdateSceneCb(bmain, scene, updated);
}
/* groups with objects in this scene need to be put in the right order as well */
static void scene_sort_groups(Main *bmain, Scene *sce)
{
Base *base;
Group *group;
GroupObject *go;
Object *ob;
/* test; are group objects all in this scene? */
for (ob = bmain->object.first; ob; ob = ob->id.next) {
ob->id.flag &= ~LIB_DOIT;
ob->id.newid = NULL; /* newid abuse for GroupObject */
}
for (base = sce->base.first; base; base = base->next)
base->object->id.flag |= LIB_DOIT;
for (group = bmain->group.first; group; group = group->id.next) {
for (go = group->gobject.first; go; go = go->next) {
if ((go->ob->id.flag & LIB_DOIT) == 0)
break;
}
/* this group is entirely in this scene */
if (go == NULL) {
ListBase listb = {NULL, NULL};
for (go = group->gobject.first; go; go = go->next)
go->ob->id.newid = (ID *)go;
/* in order of sorted bases we reinsert group objects */
for (base = sce->base.first; base; base = base->next) {
if (base->object->id.newid) {
go = (GroupObject *)base->object->id.newid;
base->object->id.newid = NULL;
BLI_remlink(&group->gobject, go);
BLI_addtail(&listb, go);
}
}
/* copy the newly sorted listbase */
group->gobject = listb;
}
}
}
/* free the depency graph */
static void dag_scene_free(Scene *sce)
{
if (sce->theDag) {
free_forest(sce->theDag);
MEM_freeN(sce->theDag);
sce->theDag = NULL;
}
}
/* sort the base list on dependency order */
static void dag_scene_build(Main *bmain, Scene *sce)
{
DagNode *node, *rootnode;
DagNodeQueue *nqueue;
DagAdjList *itA;
int time;
int skip = 0;
ListBase tempbase;
Base *base;
tempbase.first = tempbase.last = NULL;
build_dag(bmain, sce, DAG_RL_ALL_BUT_DATA);
dag_check_cycle(sce->theDag);
nqueue = queue_create(DAGQUEUEALLOC);
for (node = sce->theDag->DagNode.first; node; node = node->next) {
node->color = DAG_WHITE;
}
time = 1;
rootnode = sce->theDag->DagNode.first;
rootnode->color = DAG_GRAY;
time++;
push_stack(nqueue, rootnode);
while (nqueue->count) {
skip = 0;
node = get_top_node_queue(nqueue);
itA = node->child;
while (itA != NULL) {
if (itA->node->color == DAG_WHITE) {
itA->node->DFS_dvtm = time;
itA->node->color = DAG_GRAY;
time++;
push_stack(nqueue, itA->node);
skip = 1;
break;
}
itA = itA->next;
}
if (!skip) {
if (node) {
node = pop_queue(nqueue);
if (node->ob == sce) /* we are done */
break;
node->color = DAG_BLACK;
time++;
base = sce->base.first;
while (base && base->object != node->ob)
base = base->next;
if (base) {
BLI_remlink(&sce->base, base);
BLI_addhead(&tempbase, base);
}
}
}
}
/* temporal correction for circular dependencies */
base = sce->base.first;
while (base) {
BLI_remlink(&sce->base, base);
BLI_addhead(&tempbase, base);
//if (G.debug & G_DEBUG)
printf("cyclic %s\n", base->object->id.name);
base = sce->base.first;
}
sce->base = tempbase;
queue_delete(nqueue);
/* all groups with objects in this scene gets resorted too */
scene_sort_groups(bmain, sce);
if (G.debug & G_DEBUG) {
printf("\nordered\n");
for (base = sce->base.first; base; base = base->next) {
printf(" %s\n", base->object->id.name);
}
}
/* temporal...? */
sce->recalc |= SCE_PRV_CHANGED; /* test for 3d preview */
}
/* clear all dependency graphs */
void DAG_relations_tag_update(Main *bmain)
{
Scene *sce;
for (sce = bmain->scene.first; sce; sce = sce->id.next)
dag_scene_free(sce);
}
/* rebuild dependency graph only for a given scene */
void DAG_scene_relations_rebuild(Main *bmain, Scene *sce)
{
dag_scene_free(sce);
DAG_scene_relations_update(bmain, sce);
}
/* create dependency graph if it was cleared or didn't exist yet */
void DAG_scene_relations_update(Main *bmain, Scene *sce)
{
if (!sce->theDag)
dag_scene_build(bmain, sce);
}
void DAG_scene_free(Scene *sce)
{
if (sce->theDag) {
free_forest(sce->theDag);
MEM_freeN(sce->theDag);
sce->theDag = NULL;
}
}
static void lib_id_recalc_tag(Main *bmain, ID *id)
{
id->flag |= LIB_ID_RECALC;
DAG_id_type_tag(bmain, GS(id->name));
}
static void lib_id_recalc_data_tag(Main *bmain, ID *id)
{
id->flag |= LIB_ID_RECALC_DATA;
DAG_id_type_tag(bmain, GS(id->name));
}
/* node was checked to have lasttime != curtime and is if type ID_OB */
static void flush_update_node(Main *bmain, DagNode *node, unsigned int layer, int curtime)
{
DagAdjList *itA;
Object *ob, *obc;
int oldflag, changed = 0;
unsigned int all_layer;
node->lasttime = curtime;
ob = node->ob;
if (ob && (ob->recalc & OB_RECALC_ALL)) {
all_layer = node->scelay;
/* got an object node that changes, now check relations */
for (itA = node->child; itA; itA = itA->next) {
all_layer |= itA->lay;
/* the relationship is visible */
if ((itA->lay & layer)) { // XXX || (itA->node->ob == obedit)
if (itA->node->type == ID_OB) {
obc = itA->node->ob;
oldflag = obc->recalc;
/* got a ob->obc relation, now check if flag needs flush */
if (ob->recalc & OB_RECALC_OB) {
if (itA->type & DAG_RL_OB_OB) {
//printf("ob %s changes ob %s\n", ob->id.name, obc->id.name);
obc->recalc |= OB_RECALC_OB;
lib_id_recalc_tag(bmain, &obc->id);
}
if (itA->type & DAG_RL_OB_DATA) {
//printf("ob %s changes obdata %s\n", ob->id.name, obc->id.name);
obc->recalc |= OB_RECALC_DATA;
lib_id_recalc_data_tag(bmain, &obc->id);
}
}
if (ob->recalc & OB_RECALC_DATA) {
if (itA->type & DAG_RL_DATA_OB) {
//printf("obdata %s changes ob %s\n", ob->id.name, obc->id.name);
obc->recalc |= OB_RECALC_OB;
lib_id_recalc_tag(bmain, &obc->id);
}
if (itA->type & DAG_RL_DATA_DATA) {
//printf("obdata %s changes obdata %s\n", ob->id.name, obc->id.name);
obc->recalc |= OB_RECALC_DATA;
lib_id_recalc_data_tag(bmain, &obc->id);
}
}
if (oldflag != obc->recalc) changed = 1;
}
}
}
/* even nicer, we can clear recalc flags... */
if ((all_layer & layer) == 0) { // XXX && (ob != obedit)) {
/* but existing displaylists or derivedmesh should be freed */
if (ob->recalc & OB_RECALC_DATA)
BKE_object_free_derived_caches(ob);
ob->recalc &= ~OB_RECALC_ALL;
}
}
/* check case where child changes and parent forcing obdata to change */
/* should be done regardless if this ob has recalc set */
/* could merge this in with loop above...? (ton) */
for (itA = node->child; itA; itA = itA->next) {
/* the relationship is visible */
if ((itA->lay & layer)) { // XXX || (itA->node->ob == obedit)
if (itA->node->type == ID_OB) {
obc = itA->node->ob;
/* child moves */
if ((obc->recalc & OB_RECALC_ALL) == OB_RECALC_OB) {
/* parent has deforming info */
if (itA->type & (DAG_RL_OB_DATA | DAG_RL_DATA_DATA)) {
// printf("parent %s changes ob %s\n", ob->id.name, obc->id.name);
obc->recalc |= OB_RECALC_DATA;
lib_id_recalc_data_tag(bmain, &obc->id);
}
}
}
}
}
/* we only go deeper if node not checked or something changed */
for (itA = node->child; itA; itA = itA->next) {
if (changed || itA->node->lasttime != curtime)
flush_update_node(bmain, itA->node, layer, curtime);
}
}
/* node was checked to have lasttime != curtime, and is of type ID_OB */
static unsigned int flush_layer_node(Scene *sce, DagNode *node, int curtime)
{
DagAdjList *itA;
node->lasttime = curtime;
node->lay = node->scelay;
for (itA = node->child; itA; itA = itA->next) {
if (itA->node->type == ID_OB) {
if (itA->node->lasttime != curtime) {
itA->lay = flush_layer_node(sce, itA->node, curtime); /* lay is only set once for each relation */
}
else {
itA->lay = itA->node->lay;
}
node->lay |= itA->lay;
}
}
return node->lay;
}
/* node was checked to have lasttime != curtime, and is of type ID_OB */
static void flush_pointcache_reset(Main *bmain, Scene *scene, DagNode *node, int curtime, int reset)
{
DagAdjList *itA;
Object *ob;
node->lasttime = curtime;
for (itA = node->child; itA; itA = itA->next) {
if (itA->node->type == ID_OB) {
if (itA->node->lasttime != curtime) {
ob = (Object *)(itA->node->ob);
if (reset || (ob->recalc & OB_RECALC_ALL)) {
if (BKE_ptcache_object_reset(scene, ob, PTCACHE_RESET_DEPSGRAPH)) {
ob->recalc |= OB_RECALC_DATA;
lib_id_recalc_data_tag(bmain, &ob->id);
}
flush_pointcache_reset(bmain, scene, itA->node, curtime, 1);
}
else
flush_pointcache_reset(bmain, scene, itA->node, curtime, 0);
}
}
}
}
/* flush layer flags to dependencies */
static void dag_scene_flush_layers(Scene *sce, int lay)
{
DagNode *node, *firstnode;
DagAdjList *itA;
Base *base;
int lasttime;
firstnode = sce->theDag->DagNode.first; /* always scene node */
for (itA = firstnode->child; itA; itA = itA->next)
itA->lay = 0;
sce->theDag->time++; /* so we know which nodes were accessed */
lasttime = sce->theDag->time;
/* update layer flags in nodes */
for (base = sce->base.first; base; base = base->next) {
node = dag_get_node(sce->theDag, base->object);
node->scelay = base->object->lay;
}
/* ensure cameras are set as if they are on a visible layer, because
* they ared still used for rendering or setting the camera view
*
* XXX, this wont work for local view / unlocked camera's */
if (sce->camera) {
node = dag_get_node(sce->theDag, sce->camera);
node->scelay |= lay;
}
#ifdef DURIAN_CAMERA_SWITCH
{
TimeMarker *m;
for (m = sce->markers.first; m; m = m->next) {
if (m->camera) {
node = dag_get_node(sce->theDag, m->camera);
node->scelay |= lay;
}
}
}
#endif
/* flush layer nodes to dependencies */
for (itA = firstnode->child; itA; itA = itA->next)
if (itA->node->lasttime != lasttime && itA->node->type == ID_OB)
flush_layer_node(sce, itA->node, lasttime);
}
static void dag_tag_renderlayers(Scene *sce, unsigned int lay)
{
if (sce->nodetree) {
bNode *node;
Base *base;
unsigned int lay_changed = 0;
for (base = sce->base.first; base; base = base->next)
if (base->lay & lay)
if (base->object->recalc)
lay_changed |= base->lay;
for (node = sce->nodetree->nodes.first; node; node = node->next) {
if (node->id == (ID *)sce) {
SceneRenderLayer *srl = BLI_findlink(&sce->r.layers, node->custom1);
if (srl && (srl->lay & lay_changed))
nodeUpdate(sce->nodetree, node);
}
}
}
}
/* flushes all recalc flags in objects down the dependency tree */
void DAG_scene_flush_update(Main *bmain, Scene *sce, unsigned int lay, const short time)
{
DagNode *firstnode;
DagAdjList *itA;
Object *ob;
int lasttime;
if (sce->theDag == NULL) {
printf("DAG zero... not allowed to happen!\n");
DAG_scene_relations_update(bmain, sce);
}
firstnode = sce->theDag->DagNode.first; /* always scene node */
/* first we flush the layer flags */
dag_scene_flush_layers(sce, lay);
/* then we use the relationships + layer info to flush update events */
sce->theDag->time++; /* so we know which nodes were accessed */
lasttime = sce->theDag->time;
for (itA = firstnode->child; itA; itA = itA->next)
if (itA->node->lasttime != lasttime && itA->node->type == ID_OB)
flush_update_node(bmain, itA->node, lay, lasttime);
/* if update is not due to time change, do pointcache clears */
if (!time) {
sce->theDag->time++; /* so we know which nodes were accessed */
lasttime = sce->theDag->time;
for (itA = firstnode->child; itA; itA = itA->next) {
if (itA->node->lasttime != lasttime && itA->node->type == ID_OB) {
ob = (Object *)(itA->node->ob);
if (ob->recalc & OB_RECALC_ALL) {
if (BKE_ptcache_object_reset(sce, ob, PTCACHE_RESET_DEPSGRAPH)) {
ob->recalc |= OB_RECALC_DATA;
lib_id_recalc_data_tag(bmain, &ob->id);
}
flush_pointcache_reset(bmain, sce, itA->node, lasttime, 1);
}
else
flush_pointcache_reset(bmain, sce, itA->node, lasttime, 0);
}
}
}
dag_tag_renderlayers(sce, lay);
}
static int object_modifiers_use_time(Object *ob)
{
ModifierData *md;
/* check if a modifier in modifier stack needs time input */
for (md = ob->modifiers.first; md; md = md->next)
if (modifier_dependsOnTime(md))
return 1;
/* check whether any modifiers are animated */
if (ob->adt) {
AnimData *adt = ob->adt;
FCurve *fcu;
/* action - check for F-Curves with paths containing 'modifiers[' */
if (adt->action) {
for (fcu = adt->action->curves.first; fcu; fcu = fcu->next) {
if (fcu->rna_path && strstr(fcu->rna_path, "modifiers["))
return 1;
}
}
/* 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 = adt->drivers.first; fcu; fcu = fcu->next) {
if (fcu->rna_path && strstr(fcu->rna_path, "modifiers["))
return 1;
}
/* XXX: also, should check NLA strips, though for now assume that nobody uses
* that and we can omit that for performance reasons... */
}
return 0;
}
static short animdata_use_time(AnimData *adt)
{
NlaTrack *nlt;
if (adt == NULL) return 0;
/* check action - only if assigned, and it has anim curves */
if (adt->action && adt->action->curves.first)
return 1;
/* check NLA tracks + strips */
for (nlt = adt->nla_tracks.first; nlt; nlt = nlt->next) {
if (nlt->strips.first)
return 1;
}
/* If we have drivers, more likely than not, on a frame change
* they'll need updating because their owner changed
*
* This is kindof a hack to get around a whole host of problems
* involving drivers using non-object datablock data (which the
* depsgraph currently has no way of representing let alone correctly
* dependency sort+tagging). By doing this, at least we ensure that
* some commonly attempted drivers (such as scene -> current frame;
* see "Driver updates fail" thread on Bf-committers dated July 2)
* will work correctly, and that other non-object datablocks will have
* their drivers update at least on frame change.
*
* -- Aligorith, July 4 2011
*/
if (adt->drivers.first)
return 1;
return 0;
}
static void dag_object_time_update_flags(Main *bmain, Scene *scene, Object *ob)
{
if (ob->constraints.first) {
bConstraint *con;
for (con = ob->constraints.first; con; con = con->next) {
bConstraintTypeInfo *cti = BKE_constraint_get_typeinfo(con);
ListBase targets = {NULL, NULL};
bConstraintTarget *ct;
if (cti) {
/* special case for camera tracking -- it doesn't use targets to define relations */
if (ELEM3(cti->type, CONSTRAINT_TYPE_FOLLOWTRACK, CONSTRAINT_TYPE_CAMERASOLVER, CONSTRAINT_TYPE_OBJECTSOLVER)) {
ob->recalc |= OB_RECALC_OB;
}
else if (cti->get_constraint_targets) {
cti->get_constraint_targets(con, &targets);
for (ct = targets.first; ct; ct = ct->next) {
if (ct->tar) {
ob->recalc |= OB_RECALC_OB;
break;
}
}
if (cti->flush_constraint_targets)
cti->flush_constraint_targets(con, &targets, 1);
}
}
}
}
if (ob->parent) {
/* motion path or bone child */
if (ob->parent->type == OB_CURVE || ob->parent->type == OB_ARMATURE) ob->recalc |= OB_RECALC_OB;
}
#if 0 // XXX old animation system
if (ob->nlastrips.first) {
if (ob->dup_group) {
bActionStrip *strip;
/* this case is for groups with nla, whilst nla target has no action or nla */
for (strip = ob->nlastrips.first; strip; strip = strip->next) {
if (strip->object)
strip->object->recalc |= OB_RECALC_ALL;
}
}
}
#endif // XXX old animation system
if (animdata_use_time(ob->adt)) {
ob->recalc |= OB_RECALC_OB;
ob->adt->recalc |= ADT_RECALC_ANIM;
}
if ((ob->adt) && (ob->type == OB_ARMATURE)) ob->recalc |= OB_RECALC_DATA;
if (object_modifiers_use_time(ob)) ob->recalc |= OB_RECALC_DATA;
if ((ob->pose) && (ob->pose->flag & POSE_CONSTRAINTS_TIMEDEPEND)) ob->recalc |= OB_RECALC_DATA;
// XXX: scene here may not be the scene that contains the rigidbody world affecting this!
if (ob->rigidbody_object && BKE_scene_check_rigidbody_active(scene))
ob->recalc |= OB_RECALC_OB;
{
AnimData *adt = BKE_animdata_from_id((ID *)ob->data);
Mesh *me;
Curve *cu;
Lattice *lt;
switch (ob->type) {
case OB_MESH:
me = ob->data;
if (me->key) {
if (!(ob->shapeflag & OB_SHAPE_LOCK)) {
ob->recalc |= OB_RECALC_DATA;
}
}
if (ob->particlesystem.first)
ob->recalc |= OB_RECALC_DATA;
break;
case OB_CURVE:
case OB_SURF:
cu = ob->data;
if (cu->key) {
if (!(ob->shapeflag & OB_SHAPE_LOCK)) {
ob->recalc |= OB_RECALC_DATA;
}
}
break;
case OB_FONT:
cu = ob->data;
if (cu->nurb.first == NULL && cu->str && cu->vfont)
ob->recalc |= OB_RECALC_DATA;
break;
case OB_LATTICE:
lt = ob->data;
if (lt->key) {
if (!(ob->shapeflag & OB_SHAPE_LOCK)) {
ob->recalc |= OB_RECALC_DATA;
}
}
break;
case OB_MBALL:
if (ob->transflag & OB_DUPLI) ob->recalc |= OB_RECALC_DATA;
break;
}
if (animdata_use_time(adt)) {
ob->recalc |= OB_RECALC_DATA;
adt->recalc |= ADT_RECALC_ANIM;
}
if (ob->particlesystem.first) {
ParticleSystem *psys = ob->particlesystem.first;
for (; psys; psys = psys->next) {
if (psys_check_enabled(ob, psys)) {
ob->recalc |= OB_RECALC_DATA;
break;
}
}
}
}
if (ob->recalc & OB_RECALC_OB)
lib_id_recalc_tag(bmain, &ob->id);
if (ob->recalc & OB_RECALC_DATA)
lib_id_recalc_data_tag(bmain, &ob->id);
}
/* flag all objects that need recalc, for changes in time for example */
/* do_time: make this optional because undo resets objects to their animated locations without this */
void DAG_scene_update_flags(Main *bmain, Scene *scene, unsigned int lay, const short do_time)
{
Base *base;
Object *ob;
Group *group;
GroupObject *go;
Scene *sce_iter;
/* set ob flags where animated systems are */
for (SETLOOPER(scene, sce_iter, base)) {
ob = base->object;
if (do_time) {
/* now if DagNode were part of base, the node->lay could be checked... */
/* we do all now, since the scene_flush checks layers and clears recalc flags even */
/* NOTE: "sce_iter" not "scene" so that rigidbodies in background scenes work
* (i.e. muting + rbw availability can be checked and tagged properly) [#33970]
*/
dag_object_time_update_flags(bmain, sce_iter, ob);
}
/* handled in next loop */
if (ob->dup_group)
ob->dup_group->id.flag |= LIB_DOIT;
}
if (do_time) {
/* we do groups each once */
for (group = bmain->group.first; group; group = group->id.next) {
if (group->id.flag & LIB_DOIT) {
for (go = group->gobject.first; go; go = go->next) {
dag_object_time_update_flags(bmain, scene, go->ob);
}
}
}
}
for (sce_iter = scene; sce_iter; sce_iter = sce_iter->set)
DAG_scene_flush_update(bmain, sce_iter, lay, 1);
if (do_time) {
/* test: set time flag, to disable baked systems to update */
for (SETLOOPER(scene, sce_iter, base)) {
ob = base->object;
if (ob->recalc)
ob->recalc |= OB_RECALC_TIME;
}
/* hrmf... an exception to look at once, for invisible camera object we do it over */
if (scene->camera)
dag_object_time_update_flags(bmain, scene, scene->camera);
}
/* and store the info in groupobject */
for (group = bmain->group.first; group; group = group->id.next) {
if (group->id.flag & LIB_DOIT) {
for (go = group->gobject.first; go; go = go->next) {
go->recalc = go->ob->recalc;
// printf("ob %s recalc %d\n", go->ob->id.name, go->recalc);
}
group->id.flag &= ~LIB_DOIT;
}
}
}
/* struct returned by DagSceneLayer */
typedef struct DagSceneLayer {
struct DagSceneLayer *next, *prev;
Scene *scene;
unsigned int layer;
} DagSceneLayer;
/* returns visible scenes with valid DAG */
static void dag_current_scene_layers(Main *bmain, ListBase *lb)
{
wmWindowManager *wm;
wmWindow *win;
lb->first = lb->last = NULL;
/* if we have a windowmanager, look into windows */
if ((wm = bmain->wm.first)) {
flag_listbase_ids(&bmain->scene, LIB_DOIT, 1);
for (win = wm->windows.first; win; win = win->next) {
if (win->screen && win->screen->scene->theDag) {
Scene *scene = win->screen->scene;
if (scene->id.flag & LIB_DOIT) {
DagSceneLayer *dsl = MEM_mallocN(sizeof(DagSceneLayer), "dag scene layer");
BLI_addtail(lb, dsl);
dsl->scene = scene;
dsl->layer = BKE_screen_visible_layers(win->screen, scene);
scene->id.flag &= ~LIB_DOIT;
}
}
}
}
else {
/* if not, use the first sce */
DagSceneLayer *dsl = MEM_mallocN(sizeof(DagSceneLayer), "dag scene layer");
BLI_addtail(lb, dsl);
dsl->scene = bmain->scene.first;
dsl->layer = dsl->scene->lay;
/* XXX for background mode, we should get the scene
* from somewhere, for the -S option, but it's in
* the context, how to get it here? */
}
}
void DAG_on_visible_update(Main *bmain, const short do_time)
{
ListBase listbase;
DagSceneLayer *dsl;
/* get list of visible scenes and layers */
dag_current_scene_layers(bmain, &listbase);
for (dsl = listbase.first; dsl; dsl = dsl->next) {
Scene *scene = dsl->scene;
Scene *sce_iter;
Base *base;
Object *ob;
Group *group;
GroupObject *go;
DagNode *node;
unsigned int lay = dsl->layer, oblay;
/* derivedmeshes and displists are not saved to file so need to be
* remade, tag them so they get remade in the scene update loop,
* note armature poses or object matrices are preserved and do not
* require updates, so we skip those */
dag_scene_flush_layers(scene, lay);
for (SETLOOPER(scene, sce_iter, base)) {
ob = base->object;
node = (sce_iter->theDag) ? dag_get_node(sce_iter->theDag, ob) : NULL;
oblay = (node) ? node->lay : ob->lay;
if ((oblay & lay) & ~scene->lay_updated) {
if (ELEM6(ob->type, OB_MESH, OB_CURVE, OB_SURF, OB_FONT, OB_MBALL, OB_LATTICE))
ob->recalc |= OB_RECALC_DATA;
if (ob->dup_group)
ob->dup_group->id.flag |= LIB_DOIT;
}
}
for (group = bmain->group.first; group; group = group->id.next) {
if (group->id.flag & LIB_DOIT) {
for (go = group->gobject.first; go; go = go->next) {
if (ELEM6(go->ob->type, OB_MESH, OB_CURVE, OB_SURF, OB_FONT, OB_MBALL, OB_LATTICE))
go->ob->recalc |= OB_RECALC_DATA;
if (go->ob->proxy_from)
go->ob->recalc |= OB_RECALC_OB;
}
group->id.flag &= ~LIB_DOIT;
}
}
/* now tag update flags, to ensure deformers get calculated on redraw */
DAG_scene_update_flags(bmain, scene, lay, do_time);
scene->lay_updated |= lay;
}
BLI_freelistN(&listbase);
/* hack to get objects updating on layer changes */
DAG_id_type_tag(bmain, ID_OB);
/* so masks update on load */
if (bmain->mask.first) {
Mask *mask;
for (mask = bmain->mask.first; mask; mask = mask->id.next) {
DAG_id_tag_update(&mask->id, 0);
}
}
}
static void dag_id_flush_update__isDependentTexture(void *userData, Object *UNUSED(ob), ID **idpoin)
{
struct { ID *id; int is_dependent; } *data = userData;
if (*idpoin && GS((*idpoin)->name) == ID_TE) {
if (data->id == (*idpoin))
data->is_dependent = 1;
}
}
static void dag_id_flush_update(Main *bmain, Scene *sce, ID *id)
{
Object *obt, *ob = NULL;
short idtype;
/* here we flush a few things before actual scene wide flush, mostly
* due to only objects and not other datablocks being in the depsgraph */
/* set flags & pointcache for object */
if (GS(id->name) == ID_OB) {
ob = (Object *)id;
BKE_ptcache_object_reset(sce, ob, PTCACHE_RESET_DEPSGRAPH);
if (ob->recalc & OB_RECALC_DATA) {
/* all users of this ob->data should be checked */
id = ob->data;
/* no point in trying in this cases */
if (id && id->us <= 1) {
dag_editors_id_update(bmain, id);
id = NULL;
}
}
}
/* set flags & pointcache for object data */
if (id) {
idtype = GS(id->name);
if (OB_DATA_SUPPORT_ID(idtype)) {
for (obt = bmain->object.first; obt; obt = obt->id.next) {
if (!(ob && obt == ob) && obt->data == id) {
obt->recalc |= OB_RECALC_DATA;
lib_id_recalc_data_tag(bmain, &obt->id);
BKE_ptcache_object_reset(sce, obt, PTCACHE_RESET_DEPSGRAPH);
}
}
}
/* set flags based on textures - can influence depgraph via modifiers */
if (idtype == ID_TE) {
for (obt = bmain->object.first; obt; obt = obt->id.next) {
struct { ID *id; int is_dependent; } data;
data.id = id;
data.is_dependent = 0;
modifiers_foreachIDLink(obt, dag_id_flush_update__isDependentTexture, &data);
if (data.is_dependent) {
obt->recalc |= OB_RECALC_DATA;
lib_id_recalc_data_tag(bmain, &obt->id);
}
/* particle settings can use the texture as well */
if (obt->particlesystem.first) {
ParticleSystem *psys = obt->particlesystem.first;
MTex **mtexp, *mtex;
int a;
for (; psys; psys = psys->next) {
mtexp = psys->part->mtex;
for (a = 0; a < MAX_MTEX; a++, mtexp++) {
mtex = *mtexp;
if (mtex && mtex->tex == (Tex *)id) {
obt->recalc |= OB_RECALC_DATA;
lib_id_recalc_data_tag(bmain, &obt->id);
if (mtex->mapto & PAMAP_INIT)
psys->recalc |= PSYS_RECALC_RESET;
if (mtex->mapto & PAMAP_CHILD)
psys->recalc |= PSYS_RECALC_CHILD;
BKE_ptcache_object_reset(sce, obt, PTCACHE_RESET_DEPSGRAPH);
}
}
}
}
}
}
/* set flags based on ShapeKey */
if (idtype == ID_KE) {
for (obt = bmain->object.first; obt; obt = obt->id.next) {
Key *key = BKE_key_from_object(obt);
if (!(ob && obt == ob) && ((ID *)key == id)) {
obt->flag |= (OB_RECALC_OB | OB_RECALC_DATA);
lib_id_recalc_tag(bmain, &obt->id);
lib_id_recalc_data_tag(bmain, &obt->id);
BKE_ptcache_object_reset(sce, obt, PTCACHE_RESET_DEPSGRAPH);
}
}
}
/* set flags based on particle settings */
if (idtype == ID_PA) {
ParticleSystem *psys;
for (obt = bmain->object.first; obt; obt = obt->id.next)
for (psys = obt->particlesystem.first; psys; psys = psys->next)
if (&psys->part->id == id)
BKE_ptcache_object_reset(sce, obt, PTCACHE_RESET_DEPSGRAPH);
}
if (idtype == ID_MC) {
MovieClip *clip = (MovieClip *) id;
BKE_tracking_dopesheet_tag_update(&clip->tracking);
for (obt = bmain->object.first; obt; obt = obt->id.next) {
bConstraint *con;
for (con = obt->constraints.first; con; con = con->next) {
bConstraintTypeInfo *cti = BKE_constraint_get_typeinfo(con);
if (ELEM3(cti->type, CONSTRAINT_TYPE_FOLLOWTRACK, CONSTRAINT_TYPE_CAMERASOLVER,
CONSTRAINT_TYPE_OBJECTSOLVER))
{
obt->recalc |= OB_RECALC_OB;
break;
}
}
}
if (sce->nodetree) {
bNode *node;
for (node = sce->nodetree->nodes.first; node; node = node->next) {
if (node->id == id) {
nodeUpdate(sce->nodetree, node);
}
}
}
}
if (idtype == ID_MSK) {
if (sce->nodetree) {
bNode *node;
for (node = sce->nodetree->nodes.first; node; node = node->next) {
if (node->id == id) {
nodeUpdate(sce->nodetree, node);
}
}
}
}
/* camera's matrix is used to orient reconstructed stuff,
* so it should happen tracking-related constraints recalculation
* when camera is changing (sergey) */
if (sce->camera && &sce->camera->id == id) {
MovieClip *clip = BKE_object_movieclip_get(sce, sce->camera, 1);
if (clip)
dag_id_flush_update(bmain, sce, &clip->id);
}
/* update editors */
dag_editors_id_update(bmain, id);
}
}
void DAG_ids_flush_tagged(Main *bmain)
{
ListBase listbase;
DagSceneLayer *dsl;
ListBase *lbarray[MAX_LIBARRAY];
int a, do_flush = FALSE;
/* get list of visible scenes and layers */
dag_current_scene_layers(bmain, &listbase);
if (listbase.first == NULL)
return;
/* loop over all ID types */
a = set_listbasepointers(bmain, lbarray);
while (a--) {
ListBase *lb = lbarray[a];
ID *id = lb->first;
/* we tag based on first ID type character to avoid
* looping over all ID's in case there are no tags */
if (id && bmain->id_tag_update[id->name[0]]) {
for (; id; id = id->next) {
if (id->flag & (LIB_ID_RECALC | LIB_ID_RECALC_DATA)) {
for (dsl = listbase.first; dsl; dsl = dsl->next)
dag_id_flush_update(bmain, dsl->scene, id);
do_flush = TRUE;
}
}
}
}
/* flush changes to other objects */
if (do_flush) {
for (dsl = listbase.first; dsl; dsl = dsl->next)
DAG_scene_flush_update(bmain, dsl->scene, dsl->layer, 0);
}
BLI_freelistN(&listbase);
}
void DAG_ids_check_recalc(Main *bmain, Scene *scene, int time)
{
ListBase *lbarray[MAX_LIBARRAY];
int a, updated = 0;
/* loop over all ID types */
a = set_listbasepointers(bmain, lbarray);
while (a--) {
ListBase *lb = lbarray[a];
ID *id = lb->first;
/* we tag based on first ID type character to avoid
* looping over all ID's in case there are no tags */
if (id &&
#ifdef WITH_FREESTYLE
/* XXX very weak... added check for '27' to ignore freestyle added objects */
id->name[2] > 27 &&
#endif
bmain->id_tag_update[id->name[0]])
{
updated = 1;
break;
}
}
dag_editors_scene_update(bmain, scene, (updated || time));
}
void DAG_ids_clear_recalc(Main *bmain)
{
ListBase *lbarray[MAX_LIBARRAY];
bNodeTree *ntree;
int a;
/* loop over all ID types */
a = set_listbasepointers(bmain, lbarray);
while (a--) {
ListBase *lb = lbarray[a];
ID *id = lb->first;
/* we tag based on first ID type character to avoid
* looping over all ID's in case there are no tags */
if (id && bmain->id_tag_update[id->name[0]]) {
for (; id; id = id->next) {
if (id->flag & (LIB_ID_RECALC | LIB_ID_RECALC_DATA))
id->flag &= ~(LIB_ID_RECALC | LIB_ID_RECALC_DATA);
/* some ID's contain semi-datablock nodetree */
ntree = ntreeFromID(id);
if (ntree && (ntree->id.flag & (LIB_ID_RECALC | LIB_ID_RECALC_DATA)))
ntree->id.flag &= ~(LIB_ID_RECALC | LIB_ID_RECALC_DATA);
}
}
}
memset(bmain->id_tag_update, 0, sizeof(bmain->id_tag_update));
}
void DAG_id_tag_update_ex(Main *bmain, ID *id, short flag)
{
if (id == NULL) return;
/* tag ID for update */
if (flag) {
if (flag & OB_RECALC_OB)
lib_id_recalc_tag(bmain, id);
if (flag & (OB_RECALC_DATA | PSYS_RECALC))
lib_id_recalc_data_tag(bmain, id);
}
else
lib_id_recalc_tag(bmain, id);
/* flag is for objects and particle systems */
if (flag) {
Object *ob;
short idtype = GS(id->name);
if (idtype == ID_OB) {
/* only quick tag */
ob = (Object *)id;
ob->recalc |= (flag & OB_RECALC_ALL);
}
else if (idtype == ID_PA) {
ParticleSystem *psys;
/* this is weak still, should be done delayed as well */
for (ob = bmain->object.first; ob; ob = ob->id.next) {
for (psys = ob->particlesystem.first; psys; psys = psys->next) {
if (&psys->part->id == id) {
ob->recalc |= (flag & OB_RECALC_ALL);
psys->recalc |= (flag & PSYS_RECALC);
lib_id_recalc_tag(bmain, &ob->id);
lib_id_recalc_data_tag(bmain, &ob->id);
}
}
}
}
else if (idtype == ID_VF) {
/* this is weak still, should be done delayed as well */
for (ob = bmain->object.first; ob; ob = ob->id.next) {
if (ob->type == OB_FONT) {
Curve *cu = ob->data;
if (ELEM4((struct VFont *)id, cu->vfont, cu->vfontb, cu->vfonti, cu->vfontbi)) {
ob->recalc |= (flag & OB_RECALC_ALL);
}
}
}
}
else {
/* disable because this is called on various ID types automatically.
* where printing warning is not useful. for now just ignore */
/* BLI_assert(!"invalid flag for this 'idtype'"); */
}
}
}
void DAG_id_tag_update(ID *id, short flag)
{
DAG_id_tag_update_ex(G.main, id, flag);
}
void DAG_id_type_tag(Main *bmain, short idtype)
{
if (idtype == ID_NT) {
/* stupid workaround so parent datablocks of nested nodetree get looped
* over when we loop over tagged datablock types */
DAG_id_type_tag(bmain, ID_MA);
DAG_id_type_tag(bmain, ID_TE);
DAG_id_type_tag(bmain, ID_LA);
DAG_id_type_tag(bmain, ID_WO);
DAG_id_type_tag(bmain, ID_SCE);
}
bmain->id_tag_update[((char *)&idtype)[0]] = 1;
}
int DAG_id_type_tagged(Main *bmain, short idtype)
{
return bmain->id_tag_update[((char *)&idtype)[0]];
}
#if 0 // UNUSED
/* recursively descends tree, each node only checked once */
/* node is checked to be of type object */
static int parent_check_node(DagNode *node, int curtime)
{
DagAdjList *itA;
node->lasttime = curtime;
if (node->color == DAG_GRAY)
return DAG_GRAY;
for (itA = node->child; itA; itA = itA->next) {
if (itA->node->type == ID_OB) {
if (itA->node->color == DAG_GRAY)
return DAG_GRAY;
/* descend if not done */
if (itA->node->lasttime != curtime) {
itA->node->color = parent_check_node(itA->node, curtime);
if (itA->node->color == DAG_GRAY)
return DAG_GRAY;
}
}
}
return DAG_WHITE;
}
#endif
/* ******************* DAG FOR ARMATURE POSE ***************** */
/* we assume its an armature with pose */
void DAG_pose_sort(Object *ob)
{
bPose *pose = ob->pose;
bPoseChannel *pchan;
bConstraint *con;
DagNode *node;
DagNode *node2, *node3;
DagNode *rootnode;
DagForest *dag;
DagNodeQueue *nqueue;
DagAdjList *itA;
ListBase tempbase;
int skip = 0;
dag = dag_init();
ugly_hack_sorry = 0; /* no ID structs */
rootnode = dag_add_node(dag, NULL); /* node->ob becomes NULL */
/* we add the hierarchy and the constraints */
for (pchan = pose->chanbase.first; pchan; pchan = pchan->next) {
int addtoroot = 1;
node = dag_get_node(dag, pchan);
if (pchan->parent) {
node2 = dag_get_node(dag, pchan->parent);
dag_add_relation(dag, node2, node, 0, "Parent Relation");
addtoroot = 0;
}
for (con = pchan->constraints.first; con; con = con->next) {
bConstraintTypeInfo *cti = BKE_constraint_get_typeinfo(con);
ListBase targets = {NULL, NULL};
bConstraintTarget *ct;
if (cti && cti->get_constraint_targets) {
cti->get_constraint_targets(con, &targets);
for (ct = targets.first; ct; ct = ct->next) {
if (ct->tar == ob && ct->subtarget[0]) {
bPoseChannel *target = BKE_pose_channel_find_name(ob->pose, ct->subtarget);
if (target) {
node2 = dag_get_node(dag, target);
dag_add_relation(dag, node2, node, 0, "Pose Constraint");
if (con->type == CONSTRAINT_TYPE_KINEMATIC) {
bKinematicConstraint *data = (bKinematicConstraint *)con->data;
bPoseChannel *parchan;
int segcount = 0;
/* exclude tip from chain? */
if (!(data->flag & CONSTRAINT_IK_TIP))
parchan = pchan->parent;
else
parchan = pchan;
/* Walk to the chain's root */
while (parchan) {
node3 = dag_get_node(dag, parchan);
dag_add_relation(dag, node2, node3, 0, "IK Constraint");
segcount++;
if (segcount == data->rootbone || segcount > 255) break; /* 255 is weak */
parchan = parchan->parent;
}
}
}
}
}
if (cti->flush_constraint_targets)
cti->flush_constraint_targets(con, &targets, 1);
}
}
if (addtoroot == 1) {
dag_add_relation(dag, rootnode, node, 0, "Root Bone Relation");
}
}
dag_check_cycle(dag);
/* now we try to sort... */
tempbase.first = tempbase.last = NULL;
nqueue = queue_create(DAGQUEUEALLOC);
/* tag nodes unchecked */
for (node = dag->DagNode.first; node; node = node->next)
node->color = DAG_WHITE;
rootnode->color = DAG_GRAY;
push_stack(nqueue, rootnode);
while (nqueue->count) {
skip = 0;
node = get_top_node_queue(nqueue);
itA = node->child;
while (itA != NULL) {
if (itA->node->color == DAG_WHITE) {
itA->node->color = DAG_GRAY;
push_stack(nqueue, itA->node);
skip = 1;
break;
}
itA = itA->next;
}
if (!skip) {
if (node) {
node = pop_queue(nqueue);
if (node->ob == NULL) /* we are done */
break;
node->color = DAG_BLACK;
/* put node in new list */
BLI_remlink(&pose->chanbase, node->ob);
BLI_addhead(&tempbase, node->ob);
}
}
}
/* temporal correction for circular dependencies */
while (pose->chanbase.first) {
pchan = pose->chanbase.first;
BLI_remlink(&pose->chanbase, pchan);
BLI_addhead(&tempbase, pchan);
printf("cyclic %s\n", pchan->name);
}
pose->chanbase = tempbase;
queue_delete(nqueue);
// printf("\nordered\n");
// for (pchan = pose->chanbase.first; pchan; pchan = pchan->next) {
// printf(" %s\n", pchan->name);
// }
free_forest(dag);
MEM_freeN(dag);
ugly_hack_sorry = 1;
}
/* ************************ DAG DEBUGGING ********************* */
void DAG_print_dependencies(Main *bmain, Scene *scene, Object *ob)
{
/* utility for debugging dependencies */
dag_print_dependencies = 1;
if (ob && (ob->mode & OB_MODE_POSE)) {
printf("\nDEPENDENCY RELATIONS for %s\n\n", ob->id.name + 2);
DAG_pose_sort(ob);
}
else {
printf("\nDEPENDENCY RELATIONS for %s\n\n", scene->id.name + 2);
DAG_scene_relations_rebuild(bmain, scene);
}
dag_print_dependencies = 0;
}
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