source/blender/depsgraph/intern/builder/deg_builder_relations.cc

   1 /*
   2  * ***** BEGIN GPL LICENSE BLOCK *****
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * as published by the Free Software Foundation; either version 2
   7  * of the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software Foundation,
  16  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  17  *
  18  * The Original Code is Copyright (C) 2013 Blender Foundation.
  19  * All rights reserved.
  20  *
  21  * Original Author: Joshua Leung
  22  * Contributor(s): Based on original depsgraph.c code - Blender Foundation (2005-2013)
  23  *
  24  * ***** END GPL LICENSE BLOCK *****
  25  */
  26
  27 /** \file blender/depsgraph/intern/builder/deg_builder_relations.cc
  28  *  \ingroup depsgraph
  29  *
  30  * Methods for constructing depsgraph
  31  */
  32
  33 #include "intern/builder/deg_builder_relations.h"
  34
  35 #include <stdio.h>
  36 #include <stdlib.h>
  37 #include <string.h>
  38
  39 #include "MEM_guardedalloc.h"
  40
  41 extern "C" {
  42 #include "BLI_blenlib.h"
  43 #include "BLI_string.h"
  44 #include "BLI_utildefines.h"
  45
  46 #include "DNA_action_types.h"
  47 #include "DNA_anim_types.h"
  48 #include "DNA_armature_types.h"
  49 #include "DNA_camera_types.h"
  50 #include "DNA_constraint_types.h"
  51 #include "DNA_curve_types.h"
  52 #include "DNA_effect_types.h"
  53 #include "DNA_gpencil_types.h"
  54 #include "DNA_group_types.h"
  55 #include "DNA_key_types.h"
  56 #include "DNA_lamp_types.h"
  57 #include "DNA_material_types.h"
  58 #include "DNA_mesh_types.h"
  59 #include "DNA_meta_types.h"
  60 #include "DNA_node_types.h"
  61 #include "DNA_object_types.h"
  62 #include "DNA_rigidbody_types.h"
  63 #include "DNA_scene_types.h"
  64 #include "DNA_texture_types.h"
  65 #include "DNA_world_types.h"
  66
  67 #include "BKE_action.h"
  68 #include "BKE_armature.h"
  69 #include "BKE_animsys.h"
  70 #include "BKE_constraint.h"
  71 #include "BKE_curve.h"
  72 #include "BKE_effect.h"
  73 #include "BKE_fcurve.h"
  74 #include "BKE_group.h"
  75 #include "BKE_key.h"
  76 #include "BKE_library.h"
  77 #include "BKE_main.h"
  78 #include "BKE_material.h"
  79 #include "BKE_mball.h"
  80 #include "BKE_modifier.h"
  81 #include "BKE_node.h"
  82 #include "BKE_object.h"
  83 #include "BKE_rigidbody.h"
  84 #include "BKE_sound.h"
  85 #include "BKE_texture.h"
  86 #include "BKE_tracking.h"
  87 #include "BKE_world.h"
  88
  89 #include "DEG_depsgraph.h"
  90 #include "DEG_depsgraph_build.h"
  91
  92 #include "RNA_access.h"
  93 #include "RNA_types.h"
  94 } /* extern "C" */
  95
  96 #include "intern/builder/deg_builder.h"
  97 #include "intern/builder/deg_builder_pchanmap.h"
  98
  99 #include "intern/nodes/deg_node.h"
 100 #include "intern/nodes/deg_node_component.h"
 101 #include "intern/nodes/deg_node_operation.h"
 102
 103 #include "intern/depsgraph_intern.h"
 104 #include "intern/depsgraph_types.h"
 105
 106 #include "util/deg_util_foreach.h"
 107
 108 namespace DEG {
 109
 110 /* ***************** */
 111 /* Relations Builder */
 112
 113 /* **** General purpose functions ****  */
 114
 115 RNAPathKey::RNAPathKey(ID *id, const char *path) :
 116     id(id)
 117 {
 118         /* create ID pointer for root of path lookup */
 119         PointerRNA id_ptr;
 120         RNA_id_pointer_create(id, &id_ptr);
 121         /* try to resolve path... */
 122         int index;
 123         if (!RNA_path_resolve_full(&id_ptr, path, &this->ptr, &this->prop, &index)) {
 124                 this->ptr = PointerRNA_NULL;
 125                 this->prop = NULL;
 126         }
 127 }
 128
 129 DepsgraphRelationBuilder::DepsgraphRelationBuilder(Depsgraph *graph) :
 130     m_graph(graph)
 131 {
 132 }
 133
 134 RootDepsNode *DepsgraphRelationBuilder::find_node(const RootKey &key) const
 135 {
 136         (void)key;
 137         BLI_assert(!"Doesn't seem to be correct");
 138         return m_graph->root_node;
 139 }
 140
 141 TimeSourceDepsNode *DepsgraphRelationBuilder::find_node(
 142         const TimeSourceKey &key) const
 143 {
 144         if (key.id) {
 145                 /* XXX TODO */
 146                 return NULL;
 147         }
 148         else {
 149                 return m_graph->root_node->time_source;
 150         }
 151 }
 152
 153 ComponentDepsNode *DepsgraphRelationBuilder::find_node(
 154         const ComponentKey &key) const
 155 {
 156         IDDepsNode *id_node = m_graph->find_id_node(key.id);
 157         if (!id_node) {
 158                 fprintf(stderr, "find_node component: Could not find ID %s\n",
 159                         (key.id != NULL) ? key.id->name : "<null>");
 160                 return NULL;
 161         }
 162
 163         ComponentDepsNode *node = id_node->find_component(key.type, key.name);
 164         return node;
 165 }
 166
 167 OperationDepsNode *DepsgraphRelationBuilder::find_node(
 168         const OperationKey &key) const
 169 {
 170         IDDepsNode *id_node = m_graph->find_id_node(key.id);
 171         if (!id_node) {
 172                 fprintf(stderr, "find_node operation: Could not find ID\n");
 173                 return NULL;
 174         }
 175
 176         ComponentDepsNode *comp_node = id_node->find_component(key.component_type,
 177                                                                key.component_name);
 178         if (!comp_node) {
 179                 fprintf(stderr, "find_node operation: Could not find component\n");
 180                 return NULL;
 181         }
 182
 183         OperationDepsNode *op_node = comp_node->find_operation(key.opcode, key.name);
 184         if (!op_node) {
 185                 fprintf(stderr, "find_node_operation: Failed for (%s, '%s')\n",
 186                         DEG_OPNAMES[key.opcode], key.name.c_str());
 187         }
 188         return op_node;
 189 }
 190
 191 DepsNode *DepsgraphRelationBuilder::find_node(const RNAPathKey &key) const
 192 {
 193         return m_graph->find_node_from_pointer(&key.ptr, key.prop);
 194 }
 195
 196 OperationDepsNode *DepsgraphRelationBuilder::has_node(
 197         const OperationKey &key) const
 198 {
 199         IDDepsNode *id_node = m_graph->find_id_node(key.id);
 200         if (!id_node) {
 201                 return NULL;
 202         }
 203         ComponentDepsNode *comp_node = id_node->find_component(key.component_type,
 204                                                                key.component_name);
 205         if (!comp_node) {
 206                 return NULL;
 207         }
 208         return comp_node->has_operation(key.opcode, key.name);
 209 }
 210
 211 void DepsgraphRelationBuilder::add_time_relation(TimeSourceDepsNode *timesrc,
 212                                                  DepsNode *node_to,
 213                                                  const char *description)
 214 {
 215         if (timesrc && node_to) {
 216                 m_graph->add_new_relation(timesrc, node_to, DEPSREL_TYPE_TIME, description);
 217         }
 218         else {
 219                 DEG_DEBUG_PRINTF("add_time_relation(%p = %s, %p = %s, %s) Failed\n",
 220                                  timesrc,   (timesrc) ? timesrc->identifier().c_str() : "<None>",
 221                                  node_to,   (node_to) ? node_to->identifier().c_str() : "<None>",
 222                                  description);
 223         }
 224 }
 225
 226 void DepsgraphRelationBuilder::add_operation_relation(
 227         OperationDepsNode *node_from,
 228         OperationDepsNode *node_to,
 229         eDepsRelation_Type type,
 230         const char *description)
 231 {
 232         if (node_from && node_to) {
 233                 m_graph->add_new_relation(node_from, node_to, type, description);
 234         }
 235         else {
 236                 DEG_DEBUG_PRINTF("add_operation_relation(%p = %s, %p = %s, %d, %s) Failed\n",
 237                                  node_from, (node_from) ? node_from->identifier().c_str() : "<None>",
 238                                  node_to,   (node_to)   ? node_to->identifier().c_str() : "<None>",
 239                                  type, description);
 240         }
 241 }
 242
 243 /* **** Functions to build relations between entities  **** */
 244
 245 void DepsgraphRelationBuilder::build_scene(Main *bmain, Scene *scene)
 246 {
 247         /* LIB_TAG_DOIT is used to indicate whether node for given ID was already
 248          * created or not.
 249          */
 250         BKE_main_id_tag_all(bmain, LIB_TAG_DOIT, false);
 251         /* XXX nested node trees are not included in tag-clearing above,
 252          * so we need to do this manually.
 253          */
 254         FOREACH_NODETREE(bmain, nodetree, id) {
 255                 if (id != (ID *)nodetree)
 256                         nodetree->id.tag &= ~LIB_TAG_DOIT;
 257         } FOREACH_NODETREE_END
 258
 259         if (scene->set) {
 260                 // TODO: link set to scene, especially our timesource...
 261         }
 262
 263         /* scene objects */
 264         for (Base *base = (Base *)scene->base.first; base; base = base->next) {
 265                 Object *ob = base->object;
 266
 267                 /* Object that this is a proxy for.
 268                  * Just makes sure backlink is correct.
 269                  */
 270                 if (ob->proxy) {
 271                         ob->proxy->proxy_from = ob;
 272                 }
 273
 274                 /* object itself */
 275                 build_object(bmain, scene, ob);
 276
 277                 /* object that this is a proxy for */
 278                 if (ob->proxy) {
 279                         build_object(bmain, scene, ob->proxy);
 280                         /* TODO(sergey): This is an inverted relation, matches old depsgraph
 281                          * behavior and need to be investigated if it still need to be inverted.
 282                          */
 283                         ComponentKey ob_pose_key(&ob->id, DEPSNODE_TYPE_EVAL_POSE);
 284                         ComponentKey proxy_pose_key(&ob->proxy->id, DEPSNODE_TYPE_EVAL_POSE);
 285                         add_relation(ob_pose_key, proxy_pose_key, DEPSREL_TYPE_TRANSFORM, "Proxy");
 286                 }
 287
 288                 /* Object dupligroup. */
 289                 if (ob->dup_group) {
 290                         build_group(bmain, scene, ob, ob->dup_group);
 291                 }
 292         }
 293
 294         /* rigidbody */
 295         if (scene->rigidbody_world) {
 296                 build_rigidbody(scene);
 297         }
 298
 299         /* scene's animation and drivers */
 300         if (scene->adt) {
 301                 build_animdata(&scene->id);
 302         }
 303
 304         /* world */
 305         if (scene->world) {
 306                 build_world(scene->world);
 307         }
 308
 309         /* compo nodes */
 310         if (scene->nodetree) {
 311                 build_compositor(scene);
 312         }
 313
 314         /* grease pencil */
 315         if (scene->gpd) {
 316                 build_gpencil(&scene->id, scene->gpd);
 317         }
 318
 319         for (Depsgraph::OperationNodes::const_iterator it_op = m_graph->operations.begin();
 320              it_op != m_graph->operations.end();
 321              ++it_op)
 322         {
 323                 OperationDepsNode *node = *it_op;
 324                 IDDepsNode *id_node = node->owner->owner;
 325                 ID *id = id_node->id;
 326                 if (GS(id->name) == ID_OB) {
 327                         Object *object = (Object *)id;
 328                         object->customdata_mask |= node->customdata_mask;
 329                 }
 330         }
 331 }
 332
 333 void DepsgraphRelationBuilder::build_group(Main *bmain,
 334                                            Scene *scene,
 335                                            Object *object,
 336                                            Group *group)
 337 {
 338         ID *group_id = &group->id;
 339         bool group_done = (group_id->tag & LIB_TAG_DOIT) != 0;
 340         OperationKey object_local_transform_key(&object->id,
 341                                                 DEPSNODE_TYPE_TRANSFORM,
 342                                                 DEG_OPCODE_TRANSFORM_LOCAL);
 343         for (GroupObject *go = (GroupObject *)group->gobject.first;
 344              go != NULL;
 345              go = go->next)
 346         {
 347                 if (!group_done) {
 348                         build_object(bmain, scene, go->ob);
 349                 }
 350                 ComponentKey dupli_transform_key(&go->ob->id, DEPSNODE_TYPE_TRANSFORM);
 351                 add_relation(dupli_transform_key,
 352                              object_local_transform_key,
 353                              DEPSREL_TYPE_TRANSFORM,
 354                              "Dupligroup");
 355         }
 356         group_id->tag |= LIB_TAG_DOIT;
 357 }
 358
 359 void DepsgraphRelationBuilder::build_object(Main *bmain, Scene *scene, Object *ob)
 360 {
 361         if (ob->id.tag & LIB_TAG_DOIT) {
 362                 return;
 363         }
 364
 365         /* Object Transforms */
 366         eDepsOperation_Code base_op = (ob->parent) ? DEG_OPCODE_TRANSFORM_PARENT : DEG_OPCODE_TRANSFORM_LOCAL;
 367         OperationKey base_op_key(&ob->id, DEPSNODE_TYPE_TRANSFORM, base_op);
 368
 369         OperationKey local_transform_key(&ob->id, DEPSNODE_TYPE_TRANSFORM, DEG_OPCODE_TRANSFORM_LOCAL);
 370         OperationKey parent_transform_key(&ob->id, DEPSNODE_TYPE_TRANSFORM, DEG_OPCODE_TRANSFORM_PARENT);
 371         OperationKey final_transform_key(&ob->id, DEPSNODE_TYPE_TRANSFORM, DEG_OPCODE_TRANSFORM_FINAL);
 372
 373         OperationKey ob_ubereval_key(&ob->id, DEPSNODE_TYPE_TRANSFORM, DEG_OPCODE_OBJECT_UBEREVAL);
 374
 375         /* parenting */
 376         if (ob->parent) {
 377                 /* parent relationship */
 378                 build_object_parent(ob);
 379
 380                 /* local -> parent */
 381                 add_relation(local_transform_key, parent_transform_key, DEPSREL_TYPE_COMPONENT_ORDER, "[ObLocal -> ObParent]");
 382         }
 383
 384         /* object constraints */
 385         if (ob->constraints.first) {
 386                 OperationKey constraint_key(&ob->id, DEPSNODE_TYPE_TRANSFORM, DEG_OPCODE_TRANSFORM_CONSTRAINTS);
 387
 388                 /* constraint relations */
 389                 // TODO: provide base op
 390                 // XXX: this is broken
 391                 build_constraints(scene, &ob->id, DEPSNODE_TYPE_TRANSFORM, "", &ob->constraints, NULL);
 392
 393                 /* operation order */
 394                 add_relation(base_op_key, constraint_key, DEPSREL_TYPE_COMPONENT_ORDER, "[ObBase-> Constraint Stack]");
 395                 add_relation(constraint_key, final_transform_key, DEPSREL_TYPE_COMPONENT_ORDER, "[ObConstraints -> Done]");
 396
 397                 // XXX
 398                 add_relation(constraint_key, ob_ubereval_key, DEPSREL_TYPE_COMPONENT_ORDER, "Temp Ubereval");
 399                 add_relation(ob_ubereval_key, final_transform_key, DEPSREL_TYPE_COMPONENT_ORDER, "Temp Ubereval");
 400         }
 401         else {
 402                 /* operation order */
 403                 add_relation(base_op_key, final_transform_key, DEPSREL_TYPE_COMPONENT_ORDER, "Object Transform");
 404
 405                 // XXX
 406                 add_relation(base_op_key, ob_ubereval_key, DEPSREL_TYPE_COMPONENT_ORDER, "Temp Ubereval");
 407                 add_relation(ob_ubereval_key, final_transform_key, DEPSREL_TYPE_COMPONENT_ORDER, "Temp Ubereval");
 408         }
 409
 410
 411         /* AnimData */
 412         build_animdata(&ob->id);
 413
 414         // XXX: This should be hooked up by the build_animdata code
 415         if (ob->adt && (ob->adt->action || ob->adt->nla_tracks.first)) {
 416                 ComponentKey adt_key(&ob->id, DEPSNODE_TYPE_ANIMATION);
 417                 add_relation(adt_key, local_transform_key, DEPSREL_TYPE_OPERATION, "Object Animation");
 418         }
 419
 420
 421         /* object data */
 422         if (ob->data) {
 423                 ID *obdata_id = (ID *)ob->data;
 424
 425                 /* ob data animation */
 426                 build_animdata(obdata_id);
 427
 428                 /* type-specific data... */
 429                 switch (ob->type) {
 430                         case OB_MESH:     /* Geometry */
 431                         case OB_CURVE:
 432                         case OB_FONT:
 433                         case OB_SURF:
 434                         case OB_MBALL:
 435                         case OB_LATTICE:
 436                         {
 437                                 build_obdata_geom(bmain, scene, ob);
 438                                 break;
 439                         }
 440
 441                         case OB_ARMATURE: /* Pose */
 442                                 if (ob->id.lib != NULL && ob->proxy_from != NULL) {
 443                                         build_proxy_rig(ob);
 444                                 }
 445                                 else {
 446                                         build_rig(scene, ob);
 447                                 }
 448                                 break;
 449
 450                         case OB_LAMP:   /* Lamp */
 451                                 build_lamp(ob);
 452                                 break;
 453
 454                         case OB_CAMERA: /* Camera */
 455                                 build_camera(ob);
 456                                 break;
 457                 }
 458
 459                 Key *key = BKE_key_from_object(ob);
 460                 if (key != NULL) {
 461                         ComponentKey geometry_key((ID *)ob->data, DEPSNODE_TYPE_GEOMETRY);
 462                         ComponentKey key_key(&key->id, DEPSNODE_TYPE_GEOMETRY);
 463                         add_relation(key_key, geometry_key, DEPSREL_TYPE_GEOMETRY_EVAL, "Shapekeys");
 464                 }
 465         }
 466
 467         /* grease pencil */
 468         if (ob->gpd) {
 469                 build_gpencil(&ob->id, ob->gpd);
 470         }
 471 }
 472
 473 void DepsgraphRelationBuilder::build_object_parent(Object *ob)
 474 {
 475         /* XXX: for now, need to use the component key (not just direct to the parent op), or else the matrix doesn't get reset */
 476         // XXX: @sergey - it would be good if we got that backwards flushing working when tagging for updates
 477         //OperationKey ob_key(&ob->id, DEPSNODE_TYPE_TRANSFORM, DEG_OPCODE_TRANSFORM_PARENT);
 478         ComponentKey ob_key(&ob->id, DEPSNODE_TYPE_TRANSFORM);
 479
 480         /* type-specific links */
 481         switch (ob->partype) {
 482                 case PARSKEL:  /* Armature Deform (Virtual Modifier) */
 483                 {
 484                         ComponentKey parent_key(&ob->parent->id, DEPSNODE_TYPE_TRANSFORM);
 485                         add_relation(parent_key, ob_key, DEPSREL_TYPE_STANDARD, "Armature Deform Parent");
 486                         break;
 487                 }
 488
 489                 case PARVERT1: /* Vertex Parent */
 490                 case PARVERT3:
 491                 {
 492                         ComponentKey parent_key(&ob->parent->id, DEPSNODE_TYPE_GEOMETRY);
 493                         add_relation(parent_key, ob_key, DEPSREL_TYPE_GEOMETRY_EVAL, "Vertex Parent");
 494
 495                         /* XXX not sure what this is for or how you could be done properly - lukas */
 496                         OperationDepsNode *parent_node = find_operation_node(parent_key);
 497                         if (parent_node != NULL) {
 498                                 parent_node->customdata_mask |= CD_MASK_ORIGINDEX;
 499                         }
 500
 501                         ComponentKey transform_key(&ob->parent->id, DEPSNODE_TYPE_TRANSFORM);
 502                         add_relation(transform_key, ob_key, DEPSREL_TYPE_TRANSFORM, "Vertex Parent TFM");
 503                         break;
 504                 }
 505
 506                 case PARBONE: /* Bone Parent */
 507                 {
 508                         ComponentKey parent_key(&ob->parent->id, DEPSNODE_TYPE_BONE, ob->parsubstr);
 509                         add_relation(parent_key, ob_key, DEPSREL_TYPE_TRANSFORM, "Bone Parent");
 510                         break;
 511                 }
 512
 513                 default:
 514                 {
 515                         if (ob->parent->type == OB_LATTICE) {
 516                                 /* Lattice Deform Parent - Virtual Modifier */
 517                                 // XXX: no virtual modifiers should be left!
 518                                 ComponentKey parent_key(&ob->parent->id, DEPSNODE_TYPE_TRANSFORM);
 519                                 ComponentKey geom_key(&ob->parent->id, DEPSNODE_TYPE_GEOMETRY);
 520
 521                                 add_relation(parent_key, ob_key, DEPSREL_TYPE_STANDARD, "Lattice Deform Parent");
 522                                 add_relation(geom_key, ob_key, DEPSREL_TYPE_STANDARD, "Lattice Deform Parent Geom");
 523                         }
 524                         else if (ob->parent->type == OB_CURVE) {
 525                                 Curve *cu = (Curve *)ob->parent->data;
 526
 527                                 if (cu->flag & CU_PATH) {
 528                                         /* Follow Path */
 529                                         ComponentKey parent_key(&ob->parent->id, DEPSNODE_TYPE_GEOMETRY);
 530                                         add_relation(parent_key, ob_key, DEPSREL_TYPE_TRANSFORM, "Curve Follow Parent");
 531
 532                                         ComponentKey transform_key(&ob->parent->id, DEPSNODE_TYPE_TRANSFORM);
 533                                         add_relation(transform_key, ob_key, DEPSREL_TYPE_TRANSFORM, "Curve Follow TFM");
 534                                 }
 535                                 else {
 536                                         /* Standard Parent */
 537                                         ComponentKey parent_key(&ob->parent->id, DEPSNODE_TYPE_TRANSFORM);
 538                                         add_relation(parent_key, ob_key, DEPSREL_TYPE_TRANSFORM, "Curve Parent");
 539                                 }
 540                         }
 541                         else {
 542                                 /* Standard Parent */
 543                                 ComponentKey parent_key(&ob->parent->id, DEPSNODE_TYPE_TRANSFORM);
 544                                 add_relation(parent_key, ob_key, DEPSREL_TYPE_TRANSFORM, "Parent");
 545                         }
 546                         break;
 547                 }
 548         }
 549
 550         /* exception case: parent is duplivert */
 551         if ((ob->type == OB_MBALL) && (ob->parent->transflag & OB_DUPLIVERTS)) {
 552                 //dag_add_relation(dag, node2, node, DAG_RL_DATA_DATA | DAG_RL_OB_OB, "Duplivert");
 553         }
 554 }
 555
 556 void DepsgraphRelationBuilder::build_constraints(Scene *scene, ID *id, eDepsNode_Type component_type, const char *component_subdata,
 557                                                  ListBase *constraints, RootPChanMap *root_map)
 558 {
 559         OperationKey constraint_op_key(id, component_type, component_subdata,
 560                                        (component_type == DEPSNODE_TYPE_BONE) ? DEG_OPCODE_BONE_CONSTRAINTS : DEG_OPCODE_TRANSFORM_CONSTRAINTS);
 561
 562         /* add dependencies for each constraint in turn */
 563         for (bConstraint *con = (bConstraint *)constraints->first; con; con = con->next) {
 564                 const bConstraintTypeInfo *cti = BKE_constraint_typeinfo_get(con);
 565
 566                 /* invalid constraint type... */
 567                 if (cti == NULL)
 568                         continue;
 569
 570                 /* special case for camera tracking -- it doesn't use targets to define relations */
 571                 // TODO: we can now represent dependencies in a much richer manner, so review how this is done...
 572                 if (ELEM(cti->type, CONSTRAINT_TYPE_FOLLOWTRACK, CONSTRAINT_TYPE_CAMERASOLVER, CONSTRAINT_TYPE_OBJECTSOLVER)) {
 573                         bool depends_on_camera = false;
 574
 575                         if (cti->type == CONSTRAINT_TYPE_FOLLOWTRACK) {
 576                                 bFollowTrackConstraint *data = (bFollowTrackConstraint *)con->data;
 577
 578                                 if (((data->clip) || (data->flag & FOLLOWTRACK_ACTIVECLIP)) && data->track[0])
 579                                         depends_on_camera = true;
 580
 581                                 if (data->depth_ob) {
 582                                         // DAG_RL_DATA_OB | DAG_RL_OB_OB
 583                                         ComponentKey depth_key(&data->depth_ob->id, DEPSNODE_TYPE_TRANSFORM);
 584                                         add_relation(depth_key, constraint_op_key, DEPSREL_TYPE_TRANSFORM, cti->name);
 585                                 }
 586                         }
 587                         else if (cti->type == CONSTRAINT_TYPE_OBJECTSOLVER) {
 588                                 depends_on_camera = true;
 589                         }
 590
 591                         if (depends_on_camera && scene->camera) {
 592                                 // DAG_RL_DATA_OB | DAG_RL_OB_OB
 593                                 ComponentKey camera_key(&scene->camera->id, DEPSNODE_TYPE_TRANSFORM);
 594                                 add_relation(camera_key, constraint_op_key, DEPSREL_TYPE_TRANSFORM, cti->name);
 595                         }
 596
 597                         /* TODO(sergey): This is more a TimeSource -> MovieClip -> Constraint dependency chain. */
 598                         TimeSourceKey time_src_key;
 599                         add_relation(time_src_key, constraint_op_key, DEPSREL_TYPE_TIME, "[TimeSrc -> Animation]");
 600                 }
 601                 else if (cti->get_constraint_targets) {
 602                         ListBase targets = {NULL, NULL};
 603                         cti->get_constraint_targets(con, &targets);
 604
 605                         for (bConstraintTarget *ct = (bConstraintTarget *)targets.first; ct; ct = ct->next) {
 606                                 if (!ct->tar)
 607                                         continue;
 608
 609                                 if (ELEM(con->type, CONSTRAINT_TYPE_KINEMATIC, CONSTRAINT_TYPE_SPLINEIK)) {
 610                                         /* ignore IK constraints - these are handled separately (on pose level) */
 611                                 }
 612                                 else if (ELEM(con->type, CONSTRAINT_TYPE_FOLLOWPATH, CONSTRAINT_TYPE_CLAMPTO)) {
 613                                         /* these constraints require path geometry data... */
 614                                         ComponentKey target_key(&ct->tar->id, DEPSNODE_TYPE_GEOMETRY);
 615                                         add_relation(target_key, constraint_op_key, DEPSREL_TYPE_GEOMETRY_EVAL, cti->name); // XXX: type = geom_transform
 616                                         // TODO: path dependency
 617                                 }
 618                                 else if ((ct->tar->type == OB_ARMATURE) && (ct->subtarget[0])) {
 619                                         /* bone */
 620                                         if (&ct->tar->id == id) {
 621                                                 /* same armature  */
 622                                                 eDepsOperation_Code target_key_opcode;
 623
 624                                                 /* Using "done" here breaks in-chain deps, while using "ready" here breaks most production rigs instead...
 625                                                  * So, we do a compromise here, and only do this when an IK chain conflict may occur
 626                                                  */
 627                                                 if (root_map->has_common_root(component_subdata, ct->subtarget)) {
 628                                                         target_key_opcode = DEG_OPCODE_BONE_READY;
 629                                                 }
 630                                                 else {
 631                                                         target_key_opcode = DEG_OPCODE_BONE_DONE;
 632                                                 }
 633
 634                                                 OperationKey target_key(&ct->tar->id, DEPSNODE_TYPE_BONE, ct->subtarget, target_key_opcode);
 635                                                 add_relation(target_key, constraint_op_key, DEPSREL_TYPE_TRANSFORM, cti->name);
 636                                         }
 637                                         else {
 638                                                 /* different armature - we can safely use the result of that */
 639                                                 OperationKey target_key(&ct->tar->id, DEPSNODE_TYPE_BONE, ct->subtarget, DEG_OPCODE_BONE_DONE);
 640                                                 add_relation(target_key, constraint_op_key, DEPSREL_TYPE_TRANSFORM, cti->name);
 641                                         }
 642                                 }
 643                                 else if (ELEM(ct->tar->type, OB_MESH, OB_LATTICE) && (ct->subtarget[0])) {
 644                                         /* vertex group */
 645                                         /* NOTE: for now, we don't need to represent vertex groups separately... */
 646                                         ComponentKey target_key(&ct->tar->id, DEPSNODE_TYPE_GEOMETRY);
 647                                         add_relation(target_key, constraint_op_key, DEPSREL_TYPE_GEOMETRY_EVAL, cti->name);
 648
 649                                         if (ct->tar->type == OB_MESH) {
 650                                                 OperationDepsNode *node2 = find_operation_node(target_key);
 651                                                 if (node2 != NULL) {
 652                                                         node2->customdata_mask |= CD_MASK_MDEFORMVERT;
 653                                                 }
 654                                         }
 655                                 }
 656                                 else if (con->type == CONSTRAINT_TYPE_SHRINKWRAP) {
 657                                         /* Constraints which requires the target object surface. */
 658                                         ComponentKey target_key(&ct->tar->id, DEPSNODE_TYPE_GEOMETRY);
 659                                         add_relation(target_key, constraint_op_key, DEPSREL_TYPE_TRANSFORM, cti->name);
 660
 661                                         /* NOTE: obdata eval now doesn't necessarily depend on the object's transform... */
 662                                         ComponentKey target_transform_key(&ct->tar->id, DEPSNODE_TYPE_TRANSFORM);
 663                                         add_relation(target_transform_key, constraint_op_key, DEPSREL_TYPE_TRANSFORM, cti->name);
 664                                 }
 665                                 else {
 666                                         /* standard object relation */
 667                                         // TODO: loc vs rot vs scale?
 668                                         if (&ct->tar->id == id) {
 669                                                 /* Constraint targetting own object:
 670                                                  * - This case is fine IFF we're dealing with a bone constraint pointing to
 671                                                  *   its own armature. In that case, it's just transform -> bone.
 672                                                  * - If however it is a real self targetting case, just make it depend on the
 673                                                  *   previous constraint (or the pre-constraint state)...
 674                                                  */
 675                                                 if ((ct->tar->type == OB_ARMATURE) && (component_type == DEPSNODE_TYPE_BONE)) {
 676                                                         OperationKey target_key(&ct->tar->id, DEPSNODE_TYPE_TRANSFORM, DEG_OPCODE_TRANSFORM_FINAL);
 677                                                         add_relation(target_key, constraint_op_key, DEPSREL_TYPE_TRANSFORM, cti->name);
 678                                                 }
 679                                                 else {
 680                                                         OperationKey target_key(&ct->tar->id, DEPSNODE_TYPE_TRANSFORM, DEG_OPCODE_TRANSFORM_LOCAL);
 681                                                         add_relation(target_key, constraint_op_key, DEPSREL_TYPE_TRANSFORM, cti->name);
 682                                                 }
 683                                         }
 684                                         else {
 685                                                 /* normal object dependency */
 686                                                 OperationKey target_key(&ct->tar->id, DEPSNODE_TYPE_TRANSFORM, DEG_OPCODE_TRANSFORM_FINAL);
 687                                                 add_relation(target_key, constraint_op_key, DEPSREL_TYPE_TRANSFORM, cti->name);
 688                                         }
 689                                 }
 690
 691                                 /* Constraints which needs world's matrix for transform.
 692                                  * TODO(sergey): More constraints here?
 693                                  */
 694                                 if (ELEM(con->type,
 695                                          CONSTRAINT_TYPE_ROTLIKE,
 696                                          CONSTRAINT_TYPE_SIZELIKE,
 697                                          CONSTRAINT_TYPE_LOCLIKE,
 698                                          CONSTRAINT_TYPE_TRANSLIKE))
 699                                 {
 700                                         /* TODO(sergey): Add used space check. */
 701                                         ComponentKey target_transform_key(&ct->tar->id, DEPSNODE_TYPE_TRANSFORM);
 702                                         add_relation(target_transform_key, constraint_op_key, DEPSREL_TYPE_TRANSFORM, cti->name);
 703                                 }
 704
 705                         }
 706
 707                         if (cti->flush_constraint_targets)
 708                                 cti->flush_constraint_targets(con, &targets, 1);
 709                 }
 710         }
 711 }
 712
 713 void DepsgraphRelationBuilder::build_animdata(ID *id)
 714 {
 715         AnimData *adt = BKE_animdata_from_id(id);
 716
 717         if (adt == NULL)
 718                 return;
 719
 720         ComponentKey adt_key(id, DEPSNODE_TYPE_ANIMATION);
 721
 722         /* animation */
 723         if (adt->action || adt->nla_tracks.first) {
 724                 /* wire up dependency to time source */
 725                 TimeSourceKey time_src_key;
 726                 add_relation(time_src_key, adt_key, DEPSREL_TYPE_TIME, "[TimeSrc -> Animation]");
 727
 728                 // XXX: Hook up specific update callbacks for special properties which may need it...
 729
 730                 // XXX: animdata "hierarchy" - top-level overrides need to go after lower-down
 731         }
 732
 733         /* drivers */
 734         for (FCurve *fcu = (FCurve *)adt->drivers.first; fcu; fcu = fcu->next) {
 735                 OperationKey driver_key(id, DEPSNODE_TYPE_PARAMETERS, DEG_OPCODE_DRIVER, deg_fcurve_id_name(fcu));
 736
 737                 /* create the driver's relations to targets */
 738                 build_driver(id, fcu);
 739
 740                 /* prevent driver from occurring before own animation... */
 741                 if (adt->action || adt->nla_tracks.first) {
 742                         add_relation(adt_key, driver_key, DEPSREL_TYPE_OPERATION,
 743                                      "[AnimData Before Drivers]");
 744                 }
 745         }
 746 }
 747
 748 void DepsgraphRelationBuilder::build_driver(ID *id, FCurve *fcu)
 749 {
 750         ChannelDriver *driver = fcu->driver;
 751         OperationKey driver_key(id, DEPSNODE_TYPE_PARAMETERS, DEG_OPCODE_DRIVER, deg_fcurve_id_name(fcu));
 752         bPoseChannel *pchan = NULL;
 753
 754         /* create dependency between driver and data affected by it */
 755         /* - direct property relationship... */
 756         //RNAPathKey affected_key(id, fcu->rna_path);
 757         //add_relation(driver_key, affected_key, DEPSREL_TYPE_DRIVER, "[Driver -> Data] DepsRel");
 758
 759         /* driver -> data components (for interleaved evaluation - bones/constraints/modifiers) */
 760         // XXX: this probably should probably be moved out into a separate function
 761         if (strstr(fcu->rna_path, "pose.bones[") != NULL) {
 762                 /* interleaved drivers during bone eval */
 763                 // TODO: ideally, if this is for a constraint, it goes to said constraint
 764                 Object *ob = (Object *)id;
 765                 char *bone_name;
 766
 767                 bone_name = BLI_str_quoted_substrN(fcu->rna_path, "pose.bones[");
 768                 pchan = BKE_pose_channel_find_name(ob->pose, bone_name);
 769
 770                 if (bone_name) {
 771                         MEM_freeN(bone_name);
 772                         bone_name = NULL;
 773                 }
 774
 775                 if (pchan) {
 776                         OperationKey bone_key(id, DEPSNODE_TYPE_BONE, pchan->name, DEG_OPCODE_BONE_LOCAL);
 777                         add_relation(driver_key, bone_key, DEPSREL_TYPE_DRIVER, "[Driver -> Bone]");
 778                 }
 779                 else {
 780                         fprintf(stderr,
 781                                 "Couldn't find bone name for driver path - '%s'\n",
 782                                 fcu->rna_path);
 783                 }
 784         }
 785         else if (GS(id->name) == ID_AR && strstr(fcu->rna_path, "bones[")) {
 786                 /* drivers on armature-level bone settings (i.e. bbone stuff),
 787                  * which will affect the evaluation of corresponding pose bones
 788                  */
 789                 IDDepsNode *arm_node = m_graph->find_id_node(id);
 790                 char *bone_name = BLI_str_quoted_substrN(fcu->rna_path, "bones[");
 791
 792                 if (arm_node && bone_name) {
 793                         /* find objects which use this, and make their eval callbacks depend on this */
 794                         foreach (DepsRelation *rel, arm_node->outlinks) {
 795                                 IDDepsNode *to_node = (IDDepsNode *)rel->to;
 796
 797                                 /* we only care about objects with pose data which use this... */
 798                                 if (GS(to_node->id->name) == ID_OB) {
 799                                         Object *ob = (Object *)to_node->id;
 800                                         bPoseChannel *pchan = BKE_pose_channel_find_name(ob->pose, bone_name); // NOTE: ob->pose may be NULL
 801
 802                                         if (pchan) {
 803                                                 OperationKey bone_key(&ob->id, DEPSNODE_TYPE_BONE, pchan->name, DEG_OPCODE_BONE_LOCAL);
 804                                                 add_relation(driver_key, bone_key, DEPSREL_TYPE_DRIVER, "[Arm Bone -> Driver -> Bone]");
 805                                         }
 806                                 }
 807                         }
 808
 809                         /* free temp data */
 810                         MEM_freeN(bone_name);
 811                         bone_name = NULL;
 812                 }
 813                 else {
 814                         fprintf(stderr,
 815                                 "Couldn't find armature bone name for driver path - '%s'\n",
 816                                 fcu->rna_path);
 817                 }
 818         }
 819         else if (GS(id->name) == ID_OB && strstr(fcu->rna_path, "modifiers[")) {
 820                 /* modifier driver - connect directly to the modifier */
 821                 char *modifier_name = BLI_str_quoted_substrN(fcu->rna_path, "modifiers[");
 822                 if (modifier_name) {
 823                         OperationKey modifier_key(id,
 824                                                   DEPSNODE_TYPE_GEOMETRY,
 825                                                   DEG_OPCODE_GEOMETRY_MODIFIER,
 826                                                   modifier_name);
 827                         if (has_node(modifier_key)) {
 828                                 add_relation(driver_key, modifier_key, DEPSREL_TYPE_DRIVER, "[Driver -> Modifier]");
 829                         }
 830                         else {
 831                                 printf("Unexisting driver RNA path: %s\n", fcu->rna_path);
 832                         }
 833
 834                         MEM_freeN(modifier_name);
 835                 }
 836         }
 837         else if (GS(id->name) == ID_KE && strstr(fcu->rna_path, "key_blocks[")) {
 838                 /* shape key driver - hook into the base geometry operation */
 839                 // XXX: double check where this points
 840                 Key *shape_key = (Key *)id;
 841
 842                 ComponentKey geometry_key(shape_key->from, DEPSNODE_TYPE_GEOMETRY);
 843                 add_relation(driver_key, geometry_key, DEPSREL_TYPE_DRIVER, "[Driver -> ShapeKey Geom]");
 844         }
 845         else if (strstr(fcu->rna_path, "key_blocks[")) {
 846                 ComponentKey geometry_key(id, DEPSNODE_TYPE_GEOMETRY);
 847                 add_relation(driver_key, geometry_key, DEPSREL_TYPE_DRIVER, "[Driver -> ShapeKey Geom]");
 848         }
 849         else {
 850                 if (GS(id->name) == ID_OB) {
 851                         /* assume that driver affects a transform... */
 852                         OperationKey local_transform_key(id, DEPSNODE_TYPE_TRANSFORM, DEG_OPCODE_TRANSFORM_LOCAL);
 853                         add_relation(driver_key, local_transform_key, DEPSREL_TYPE_OPERATION, "[Driver -> Transform]");
 854                 }
 855                 else if (GS(id->name) == ID_KE) {
 856                         ComponentKey geometry_key(id, DEPSNODE_TYPE_GEOMETRY);
 857                         add_relation(driver_key, geometry_key, DEPSREL_TYPE_GEOMETRY_EVAL, "[Driver -> Shapekey Geometry]");
 858                 }
 859         }
 860
 861         /* ensure that affected prop's update callbacks will be triggered once done */
 862         // TODO: implement this once the functionality to add these links exists in RNA
 863         // XXX: the data itself could also set this, if it were to be truly initialised later?
 864
 865         /* loop over variables to get the target relationships */
 866         for (DriverVar *dvar = (DriverVar *)driver->variables.first; dvar; dvar = dvar->next) {
 867                 /* only used targets */
 868                 DRIVER_TARGETS_USED_LOOPER(dvar)
 869                 {
 870                         if (dtar->id == NULL)
 871                                 continue;
 872
 873                         /* special handling for directly-named bones */
 874                         if ((dtar->flag & DTAR_FLAG_STRUCT_REF) && (dtar->pchan_name[0])) {
 875                                 Object *ob = (Object *)dtar->id;
 876                                 bPoseChannel *target_pchan = BKE_pose_channel_find_name(ob->pose, dtar->pchan_name);
 877                                 if (target_pchan != NULL) {
 878                                         /* get node associated with bone */
 879                                         // XXX: watch the space!
 880                                         /* Some cases can't use final bone transform, for example:
 881                                          * - Driving the bone with itself (addressed here)
 882                                          * - Relations inside an IK chain (TODO?)
 883                                          */
 884                                         if (dtar->id == id &&
 885                                             pchan != NULL &&
 886                                             STREQ(pchan->name, target_pchan->name))
 887                                         {
 888                                                 continue;
 889                                         }
 890                                         OperationKey target_key(dtar->id, DEPSNODE_TYPE_BONE, target_pchan->name, DEG_OPCODE_BONE_DONE);
 891                                         add_relation(target_key, driver_key, DEPSREL_TYPE_DRIVER_TARGET, "[Bone Target -> Driver]");
 892                                 }
 893                         }
 894                         else if (dtar->flag & DTAR_FLAG_STRUCT_REF) {
 895                                 /* get node associated with the object's transforms */
 896                                 OperationKey target_key(dtar->id, DEPSNODE_TYPE_TRANSFORM, DEG_OPCODE_TRANSFORM_FINAL);
 897                                 add_relation(target_key, driver_key, DEPSREL_TYPE_DRIVER_TARGET, "[Target -> Driver]");
 898                         }
 899                         else if (dtar->rna_path && strstr(dtar->rna_path, "pose.bones[")) {
 900                                 /* workaround for ensuring that local bone transforms don't end up
 901                                  * having to wait for pose eval to finish (to prevent cycles)
 902                                  */
 903                                 Object *ob = (Object *)dtar->id;
 904                                 char *bone_name = BLI_str_quoted_substrN(dtar->rna_path, "pose.bones[");
 905                                 bPoseChannel *target_pchan = BKE_pose_channel_find_name(ob->pose, bone_name);
 906                                 if (bone_name) {
 907                                         MEM_freeN(bone_name);
 908                                         bone_name = NULL;
 909                                 }
 910                                 if (target_pchan) {
 911                                         if (dtar->id == id &&
 912                                             pchan != NULL &&
 913                                             STREQ(pchan->name, target_pchan->name))
 914                                         {
 915                                                 continue;
 916                                         }
 917                                         OperationKey bone_key(dtar->id, DEPSNODE_TYPE_BONE, target_pchan->name, DEG_OPCODE_BONE_LOCAL);
 918                                         add_relation(bone_key, driver_key, DEPSREL_TYPE_DRIVER, "[RNA Bone -> Driver]");
 919                                 }
 920                         }
 921                         else {
 922                                 /* resolve path to get node */
 923                                 RNAPathKey target_key(dtar->id, dtar->rna_path ? dtar->rna_path : "");
 924                                 add_relation(target_key, driver_key, DEPSREL_TYPE_DRIVER_TARGET, "[RNA Target -> Driver]");
 925                         }
 926                 }
 927                 DRIVER_TARGETS_LOOPER_END
 928         }
 929
 930         /* It's quite tricky to detect if the driver actually depends on time or not,
 931          * so for now we'll be quite conservative here about optimization and consider
 932          * all python drivers to be depending on time.
 933          */
 934         if (driver->type == DRIVER_TYPE_PYTHON) {
 935                 TimeSourceKey time_src_key;
 936                 add_relation(time_src_key, driver_key, DEPSREL_TYPE_TIME, "[TimeSrc -> Driver]");
 937         }
 938 }
 939
 940 void DepsgraphRelationBuilder::build_world(World *world)
 941 {
 942         ID *world_id = &world->id;
 943         if (world_id->tag & LIB_TAG_DOIT) {
 944                 return;
 945         }
 946         world_id->tag |= LIB_TAG_DOIT;
 947
 948         build_animdata(world_id);
 949
 950         /* TODO: other settings? */
 951
 952         /* textures */
 953         build_texture_stack(world_id, world->mtex);
 954
 955         /* world's nodetree */
 956         build_nodetree(world_id, world->nodetree);
 957 }
 958
 959 void DepsgraphRelationBuilder::build_rigidbody(Scene *scene)
 960 {
 961         RigidBodyWorld *rbw = scene->rigidbody_world;
 962
 963         OperationKey init_key(&scene->id, DEPSNODE_TYPE_TRANSFORM, DEG_OPCODE_RIGIDBODY_REBUILD);
 964         OperationKey sim_key(&scene->id, DEPSNODE_TYPE_TRANSFORM, DEG_OPCODE_RIGIDBODY_SIM);
 965
 966         /* rel between the two sim-nodes */
 967         add_relation(init_key, sim_key, DEPSREL_TYPE_OPERATION, "Rigidbody [Init -> SimStep]");
 968
 969         /* set up dependencies between these operations and other builtin nodes --------------- */
 970
 971         /* time dependency */
 972         TimeSourceKey time_src_key;
 973         add_relation(time_src_key, init_key, DEPSREL_TYPE_TIME, "TimeSrc -> Rigidbody Reset/Rebuild (Optional)");
 974         add_relation(time_src_key, sim_key, DEPSREL_TYPE_TIME, "TimeSrc -> Rigidbody Sim Step");
 975
 976         /* objects - simulation participants */
 977         if (rbw->group) {
 978                 for (GroupObject *go = (GroupObject *)rbw->group->gobject.first; go; go = go->next) {
 979                         Object *ob = go->ob;
 980                         if (!ob || ob->type != OB_MESH)
 981                                 continue;
 982
 983                         /* hook up evaluation order...
 984                          * 1) flushing rigidbody results follows base transforms being applied
 985                          * 2) rigidbody flushing can only be performed after simulation has been run
 986                          *
 987                          * 3) simulation needs to know base transforms to figure out what to do
 988                          *    XXX: there's probably a difference between passive and active
 989                          *         - passive don't change, so may need to know full transform...
 990                          */
 991                         OperationKey rbo_key(&ob->id, DEPSNODE_TYPE_TRANSFORM, DEG_OPCODE_TRANSFORM_RIGIDBODY);
 992
 993                         eDepsOperation_Code trans_opcode = ob->parent ? DEG_OPCODE_TRANSFORM_PARENT : DEG_OPCODE_TRANSFORM_LOCAL;
 994                         OperationKey trans_op(&ob->id, DEPSNODE_TYPE_TRANSFORM, trans_opcode);
 995
 996                         add_relation(trans_op, rbo_key, DEPSREL_TYPE_OPERATION, "Base Ob Transform -> RBO Sync");
 997                         add_relation(sim_key, rbo_key, DEPSREL_TYPE_COMPONENT_ORDER, "Rigidbody Sim Eval -> RBO Sync");
 998
 999                         /* if constraints exist, those depend on the result of the rigidbody sim
1000                          * - This allows constraints to modify the result of the sim (i.e. clamping)
1001                          *   while still allowing the sim to depend on some changes to the objects.
1002                          *   Also, since constraints are hooked up to the final nodes, this link
1003                          *   means that we can also fit in there too...
1004                          * - Later, it might be good to include a constraint in the stack allowing us
1005                          *   to control whether rigidbody eval gets interleaved into the constraint stack
1006                          */
1007                         if (ob->constraints.first) {
1008                                 OperationKey constraint_key(&ob->id, DEPSNODE_TYPE_TRANSFORM, DEG_OPCODE_TRANSFORM_CONSTRAINTS);
1009                                 add_relation(rbo_key, constraint_key, DEPSREL_TYPE_COMPONENT_ORDER, "RBO Sync -> Ob Constraints");
1010                         }
1011                         else {
1012                                 /* final object transform depends on rigidbody */
1013                                 OperationKey done_key(&ob->id, DEPSNODE_TYPE_TRANSFORM, DEG_OPCODE_TRANSFORM_FINAL);
1014                                 add_relation(rbo_key, done_key, DEPSREL_TYPE_COMPONENT_ORDER, "RBO Sync -> Done");
1015
1016                                 // XXX: ubereval will be removed eventually, but we still need it in the meantime
1017                                 OperationKey uber_key(&ob->id, DEPSNODE_TYPE_TRANSFORM, DEG_OPCODE_OBJECT_UBEREVAL);
1018                                 add_relation(rbo_key, uber_key, DEPSREL_TYPE_COMPONENT_ORDER, "RBO Sync -> Uber (Temp)");
1019                         }
1020
1021
1022                         /* needed to get correct base values */
1023                         add_relation(trans_op, sim_key, DEPSREL_TYPE_OPERATION, "Base Ob Transform -> Rigidbody Sim Eval");
1024                 }
1025         }
1026
1027         /* constraints */
1028         if (rbw->constraints) {
1029                 for (GroupObject *go = (GroupObject *)rbw->constraints->gobject.first; go; go = go->next) {
1030                         Object *ob = go->ob;
1031                         if (!ob || !ob->rigidbody_constraint)
1032                                 continue;
1033
1034                         RigidBodyCon *rbc = ob->rigidbody_constraint;
1035
1036                         /* final result of the constraint object's transform controls how the
1037                          * constraint affects the physics sim for these objects
1038                          */
1039                         ComponentKey trans_key(&ob->id, DEPSNODE_TYPE_TRANSFORM);
1040                         OperationKey ob1_key(&rbc->ob1->id, DEPSNODE_TYPE_TRANSFORM, DEG_OPCODE_TRANSFORM_RIGIDBODY);
1041                         OperationKey ob2_key(&rbc->ob2->id, DEPSNODE_TYPE_TRANSFORM, DEG_OPCODE_TRANSFORM_RIGIDBODY);
1042
1043                         /* - constrained-objects sync depends on the constraint-holder */
1044                         add_relation(trans_key, ob1_key, DEPSREL_TYPE_TRANSFORM, "RigidBodyConstraint -> RBC.Object_1");
1045                         add_relation(trans_key, ob2_key, DEPSREL_TYPE_TRANSFORM, "RigidBodyConstraint -> RBC.Object_2");
1046
1047                         /* - ensure that sim depends on this constraint's transform */
1048                         add_relation(trans_key, sim_key, DEPSREL_TYPE_TRANSFORM, "RigidBodyConstraint Transform -> RB Simulation");
1049                 }
1050         }
1051 }
1052
1053 /* IK Solver Eval Steps */
1054 void DepsgraphRelationBuilder::build_ik_pose(Object *ob,
1055                                              bPoseChannel *pchan,
1056                                              bConstraint *con,
1057                                              RootPChanMap *root_map)
1058 {
1059         bKinematicConstraint *data = (bKinematicConstraint *)con->data;
1060
1061         /* attach owner to IK Solver too
1062          * - assume that owner is always part of chain
1063          * - see notes on direction of rel below...
1064          */
1065         bPoseChannel *rootchan = BKE_armature_ik_solver_find_root(pchan, data);
1066         OperationKey solver_key(&ob->id, DEPSNODE_TYPE_EVAL_POSE, rootchan->name, DEG_OPCODE_POSE_IK_SOLVER);
1067
1068         /* IK target */
1069         // XXX: this should get handled as part of the constraint code
1070         if (data->tar != NULL) {
1071                 /* TODO(sergey): For until we'll store partial matricies in the depsgraph,
1072                  * we create dependency between target object and pose eval component.
1073                  *
1074                  * This way we ensuring the whole subtree is updated from scratch without
1075                  * need of intermediate matricies. This is an overkill, but good enough for
1076                  * testing IK solver.
1077                  */
1078                 // FIXME: geometry targets...
1079                 ComponentKey pose_key(&ob->id, DEPSNODE_TYPE_EVAL_POSE);
1080                 if ((data->tar->type == OB_ARMATURE) && (data->subtarget[0])) {
1081                         /* TODO(sergey): This is only for until granular update stores intermediate result. */
1082                         if (data->tar != ob) {
1083                                 /* different armature - can just read the results */
1084                                 ComponentKey target_key(&data->tar->id, DEPSNODE_TYPE_BONE, data->subtarget);
1085                                 add_relation(target_key, pose_key, DEPSREL_TYPE_TRANSFORM, con->name);
1086                         }
1087                         else {
1088                                 /* same armature - we'll use the ready state only, just in case this bone is in the chain we're solving */
1089                                 OperationKey target_key(&data->tar->id, DEPSNODE_TYPE_BONE, data->subtarget, DEG_OPCODE_BONE_DONE);
1090                                 add_relation(target_key, solver_key, DEPSREL_TYPE_TRANSFORM, con->name);
1091                         }
1092                 }
1093                 else if (ELEM(data->tar->type, OB_MESH, OB_LATTICE) && (data->subtarget[0])) {
1094                         /* vertex group target */
1095                         /* NOTE: for now, we don't need to represent vertex groups separately... */
1096                         ComponentKey target_key(&data->tar->id, DEPSNODE_TYPE_GEOMETRY);
1097                         add_relation(target_key, solver_key, DEPSREL_TYPE_GEOMETRY_EVAL, con->name);
1098
1099                         if (data->tar->type == OB_MESH) {
1100                                 OperationDepsNode *node2 = find_operation_node(target_key);
1101                                 if (node2 != NULL) {
1102                                         node2->customdata_mask |= CD_MASK_MDEFORMVERT;
1103                                 }
1104                         }
1105                 }
1106                 else {
1107                         /* Standard Object Target */
1108                         ComponentKey target_key(&data->tar->id, DEPSNODE_TYPE_TRANSFORM);
1109                         add_relation(target_key, pose_key, DEPSREL_TYPE_TRANSFORM, con->name);
1110                 }
1111
1112                 if ((data->tar == ob) && (data->subtarget[0])) {
1113                         /* Prevent target's constraints from linking to anything from same
1114                          * chain that it controls.
1115                          */
1116                         root_map->add_bone(data->subtarget, rootchan->name);
1117                 }
1118         }
1119
1120         /* Pole Target */
1121         // XXX: this should get handled as part of the constraint code
1122         if (data->poletar != NULL) {
1123                 if ((data->poletar->type == OB_ARMATURE) && (data->polesubtarget[0])) {
1124                         // XXX: same armature issues - ready vs done?
1125                         ComponentKey target_key(&data->poletar->id, DEPSNODE_TYPE_BONE, data->subtarget);
1126                         add_relation(target_key, solver_key, DEPSREL_TYPE_TRANSFORM, con->name);
1127                 }
1128                 else if (ELEM(data->poletar->type, OB_MESH, OB_LATTICE) && (data->subtarget[0])) {
1129                         /* vertex group target */
1130                         /* NOTE: for now, we don't need to represent vertex groups separately... */
1131                         ComponentKey target_key(&data->poletar->id, DEPSNODE_TYPE_GEOMETRY);
1132                         add_relation(target_key, solver_key, DEPSREL_TYPE_GEOMETRY_EVAL, con->name);
1133
1134                         if (data->poletar->type == OB_MESH) {
1135                                 OperationDepsNode *node2 = find_operation_node(target_key);
1136                                 if (node2 != NULL) {
1137                                         node2->customdata_mask |= CD_MASK_MDEFORMVERT;
1138                                 }
1139                         }
1140                 }
1141                 else {
1142                         ComponentKey target_key(&data->poletar->id, DEPSNODE_TYPE_TRANSFORM);
1143                         add_relation(target_key, solver_key, DEPSREL_TYPE_TRANSFORM, con->name);
1144                 }
1145         }
1146
1147         DEG_DEBUG_PRINTF("\nStarting IK Build: pchan = %s, target = (%s, %s), segcount = %d\n",
1148                          pchan->name, data->tar->id.name, data->subtarget, data->rootbone);
1149
1150         bPoseChannel *parchan = pchan;
1151         /* exclude tip from chain? */
1152         if (!(data->flag & CONSTRAINT_IK_TIP)) {
1153                 OperationKey tip_transforms_key(&ob->id, DEPSNODE_TYPE_BONE,
1154                                                 parchan->name, DEG_OPCODE_BONE_LOCAL);
1155                 add_relation(solver_key, tip_transforms_key,
1156                              DEPSREL_TYPE_TRANSFORM, "IK Solver Result");
1157                 parchan = pchan->parent;
1158         }
1159
1160         root_map->add_bone(parchan->name, rootchan->name);
1161
1162         OperationKey parchan_transforms_key(&ob->id, DEPSNODE_TYPE_BONE,
1163                                             parchan->name, DEG_OPCODE_BONE_READY);
1164         add_relation(parchan_transforms_key, solver_key,
1165                      DEPSREL_TYPE_TRANSFORM, "IK Solver Owner");
1166
1167         /* Walk to the chain's root */
1168         //size_t segcount = 0;
1169         int segcount = 0;
1170
1171         while (parchan) {
1172                 /* Make IK-solver dependent on this bone's result,
1173                  * since it can only run after the standard results
1174                  * of the bone are know. Validate links step on the
1175                  * bone will ensure that users of this bone only
1176                  * grab the result with IK solver results...
1177                  */
1178                 if (parchan != pchan) {
1179                         OperationKey parent_key(&ob->id, DEPSNODE_TYPE_BONE, parchan->name, DEG_OPCODE_BONE_READY);
1180                         add_relation(parent_key, solver_key, DEPSREL_TYPE_TRANSFORM, "IK Chain Parent");
1181
1182                         OperationKey done_key(&ob->id, DEPSNODE_TYPE_BONE, parchan->name, DEG_OPCODE_BONE_DONE);
1183                         add_relation(solver_key, done_key, DEPSREL_TYPE_TRANSFORM, "IK Chain Result");
1184                 }
1185                 parchan->flag |= POSE_DONE;
1186
1187                 OperationKey final_transforms_key(&ob->id, DEPSNODE_TYPE_BONE, parchan->name, DEG_OPCODE_BONE_DONE);
1188                 add_relation(solver_key, final_transforms_key, DEPSREL_TYPE_TRANSFORM, "IK Solver Result");
1189
1190                 root_map->add_bone(parchan->name, rootchan->name);
1191
1192                 /* continue up chain, until we reach target number of items... */
1193                 DEG_DEBUG_PRINTF("  %d = %s\n", segcount, parchan->name);
1194                 segcount++;
1195                 if ((segcount == data->rootbone) || (segcount > 255)) break;  /* 255 is weak */
1196
1197                 parchan  = parchan->parent;
1198         }
1199
1200         OperationKey flush_key(&ob->id, DEPSNODE_TYPE_EVAL_POSE, DEG_OPCODE_POSE_DONE);
1201         add_relation(solver_key, flush_key, DEPSREL_TYPE_OPERATION, "PoseEval Result-Bone Link");
1202 }
1203
1204 /* Spline IK Eval Steps */
1205 void DepsgraphRelationBuilder::build_splineik_pose(Object *ob,
1206                                                    bPoseChannel *pchan,
1207                                                    bConstraint *con,
1208                                                    RootPChanMap *root_map)
1209 {
1210         bSplineIKConstraint *data = (bSplineIKConstraint *)con->data;
1211         bPoseChannel *rootchan = BKE_armature_splineik_solver_find_root(pchan, data);
1212         OperationKey transforms_key(&ob->id, DEPSNODE_TYPE_BONE, pchan->name, DEG_OPCODE_BONE_READY);
1213         OperationKey solver_key(&ob->id, DEPSNODE_TYPE_EVAL_POSE, rootchan->name, DEG_OPCODE_POSE_SPLINE_IK_SOLVER);
1214
1215         /* attach owner to IK Solver too
1216          * - assume that owner is always part of chain
1217          * - see notes on direction of rel below...
1218          */
1219         add_relation(transforms_key, solver_key, DEPSREL_TYPE_TRANSFORM, "Spline IK Solver Owner");
1220
1221         /* attach path dependency to solver */
1222         if (data->tar) {
1223                 /* TODO(sergey): For until we'll store partial matricies in the depsgraph,
1224                  * we create dependency between target object and pose eval component.
1225                  * See IK pose for a bit more information.
1226                  */
1227                 // TODO: the bigggest point here is that we need the curve PATH and not just the general geometry...
1228                 ComponentKey target_key(&data->tar->id, DEPSNODE_TYPE_GEOMETRY);
1229                 ComponentKey pose_key(&ob->id, DEPSNODE_TYPE_EVAL_POSE);
1230                 add_relation(target_key, pose_key, DEPSREL_TYPE_TRANSFORM, "[Curve.Path -> Spline IK] DepsRel");
1231         }
1232
1233         pchan->flag |= POSE_DONE;
1234         OperationKey final_transforms_key(&ob->id, DEPSNODE_TYPE_BONE, pchan->name, DEG_OPCODE_BONE_DONE);
1235         add_relation(solver_key, final_transforms_key, DEPSREL_TYPE_TRANSFORM, "Spline IK Result");
1236
1237         root_map->add_bone(pchan->name, rootchan->name);
1238
1239         /* Walk to the chain's root */
1240         //size_t segcount = 0;
1241         int segcount = 0;
1242
1243         for (bPoseChannel *parchan = pchan->parent; parchan; parchan = parchan->parent) {
1244                 /* Make Spline IK solver dependent on this bone's result,
1245                  * since it can only run after the standard results
1246                  * of the bone are know. Validate links step on the
1247                  * bone will ensure that users of this bone only
1248                  * grab the result with IK solver results...
1249                  */
1250                 if (parchan != pchan) {
1251                         OperationKey parent_key(&ob->id, DEPSNODE_TYPE_BONE, parchan->name, DEG_OPCODE_BONE_READY);
1252                         add_relation(parent_key, solver_key, DEPSREL_TYPE_TRANSFORM, "Spline IK Solver Update");
1253
1254                         OperationKey done_key(&ob->id, DEPSNODE_TYPE_BONE, parchan->name, DEG_OPCODE_BONE_DONE);
1255                         add_relation(solver_key, done_key, DEPSREL_TYPE_TRANSFORM, "IK Chain Result");
1256                 }
1257                 parchan->flag |= POSE_DONE;
1258
1259                 OperationKey final_transforms_key(&ob->id, DEPSNODE_TYPE_BONE, parchan->name, DEG_OPCODE_BONE_DONE);
1260                 add_relation(solver_key, final_transforms_key, DEPSREL_TYPE_TRANSFORM, "Spline IK Solver Result");
1261
1262                 root_map->add_bone(parchan->name, rootchan->name);
1263
1264                 /* continue up chain, until we reach target number of items... */
1265                 segcount++;
1266                 if ((segcount == data->chainlen) || (segcount > 255)) break;  /* 255 is weak */
1267         }
1268
1269         OperationKey flush_key(&ob->id, DEPSNODE_TYPE_EVAL_POSE, DEG_OPCODE_POSE_DONE);
1270         add_relation(solver_key, flush_key, DEPSREL_TYPE_OPERATION, "PoseEval Result-Bone Link");
1271 }
1272
1273 /* Pose/Armature Bones Graph */
1274 void DepsgraphRelationBuilder::build_rig(Scene *scene, Object *ob)
1275 {
1276         /* Armature-Data */
1277         bArmature *arm = (bArmature *)ob->data;
1278
1279         // TODO: selection status?
1280
1281         /* attach links between pose operations */
1282         OperationKey init_key(&ob->id, DEPSNODE_TYPE_EVAL_POSE, DEG_OPCODE_POSE_INIT);
1283         OperationKey flush_key(&ob->id, DEPSNODE_TYPE_EVAL_POSE, DEG_OPCODE_POSE_DONE);
1284
1285         add_relation(init_key, flush_key, DEPSREL_TYPE_COMPONENT_ORDER, "[Pose Init -> Pose Cleanup]");
1286
1287         /* Make sure pose is up-to-date with armature updates. */
1288         OperationKey armature_key(&arm->id,
1289                                   DEPSNODE_TYPE_PARAMETERS,
1290                                   DEG_OPCODE_PLACEHOLDER,
1291                                   "Armature Eval");
1292         add_relation(armature_key, init_key, DEPSREL_TYPE_COMPONENT_ORDER, "Data dependency");
1293
1294         if (ob->adt && (ob->adt->action || ob->adt->nla_tracks.first)) {
1295                 ComponentKey animation_key(&ob->id, DEPSNODE_TYPE_ANIMATION);
1296                 add_relation(animation_key, init_key, DEPSREL_TYPE_OPERATION, "Rig Animation");
1297         }
1298
1299         /* IK Solvers...
1300         * - These require separate processing steps are pose-level
1301         *   to be executed between chains of bones (i.e. once the
1302         *   base transforms of a bunch of bones is done)
1303         *
1304         * - We build relations for these before the dependencies
1305         *   between ops in the same component as it is necessary
1306         *   to check whether such bones are in the same IK chain
1307         *   (or else we get weird issues with either in-chain
1308         *   references, or with bones being parented to IK'd bones)
1309         *
1310         * Unsolved Issues:
1311         * - Care is needed to ensure that multi-headed trees work out the same as in ik-tree building
1312         * - Animated chain-lengths are a problem...
1313         */
1314         RootPChanMap root_map;
1315         bool pose_depends_on_local_transform = false;
1316         for (bPoseChannel *pchan = (bPoseChannel *)ob->pose->chanbase.first; pchan; pchan = pchan->next) {
1317                 for (bConstraint *con = (bConstraint *)pchan->constraints.first; con; con = con->next) {
1318                         switch (con->type) {
1319                                 case CONSTRAINT_TYPE_KINEMATIC:
1320                                         build_ik_pose(ob, pchan, con, &root_map);
1321                                         pose_depends_on_local_transform = true;
1322                                         break;
1323
1324                                 case CONSTRAINT_TYPE_SPLINEIK:
1325                                         build_splineik_pose(ob, pchan, con, &root_map);
1326                                         pose_depends_on_local_transform = true;
1327                                         break;
1328
1329                                 /* Constraints which needs world's matrix for transform.
1330                                  * TODO(sergey): More constraints here?
1331                                  */
1332                                 case CONSTRAINT_TYPE_ROTLIKE:
1333                                 case CONSTRAINT_TYPE_SIZELIKE:
1334                                 case CONSTRAINT_TYPE_LOCLIKE:
1335                                 case CONSTRAINT_TYPE_TRANSLIKE:
1336                                         /* TODO(sergey): Add used space check. */
1337                                         pose_depends_on_local_transform = true;
1338                                         break;
1339
1340                                 default:
1341                                         break;
1342                         }
1343                 }
1344         }
1345         //root_map.print_debug();
1346
1347         if (pose_depends_on_local_transform) {
1348                 /* TODO(sergey): Once partial updates are possible use relation between
1349                  * object transform and solver itself in it's build function.
1350                  */
1351                 ComponentKey pose_key(&ob->id, DEPSNODE_TYPE_EVAL_POSE);
1352                 ComponentKey local_transform_key(&ob->id, DEPSNODE_TYPE_TRANSFORM);
1353                 add_relation(local_transform_key, pose_key, DEPSREL_TYPE_TRANSFORM, "Local Transforms");
1354         }
1355
1356
1357         /* links between operations for each bone */
1358         for (bPoseChannel *pchan = (bPoseChannel *)ob->pose->chanbase.first; pchan; pchan = pchan->next) {
1359                 OperationKey bone_local_key(&ob->id, DEPSNODE_TYPE_BONE, pchan->name, DEG_OPCODE_BONE_LOCAL);
1360                 OperationKey bone_pose_key(&ob->id, DEPSNODE_TYPE_BONE, pchan->name, DEG_OPCODE_BONE_POSE_PARENT);
1361                 OperationKey bone_ready_key(&ob->id, DEPSNODE_TYPE_BONE, pchan->name, DEG_OPCODE_BONE_READY);
1362                 OperationKey bone_done_key(&ob->id, DEPSNODE_TYPE_BONE, pchan->name, DEG_OPCODE_BONE_DONE);
1363
1364                 pchan->flag &= ~POSE_DONE;
1365
1366                 /* pose init to bone local */
1367                 add_relation(init_key, bone_local_key, DEPSREL_TYPE_OPERATION, "PoseEval Source-Bone Link");
1368
1369                 /* local to pose parenting operation */
1370                 add_relation(bone_local_key, bone_pose_key, DEPSREL_TYPE_OPERATION, "Bone Local - PoseSpace Link");
1371
1372                 /* parent relation */
1373                 if (pchan->parent != NULL) {
1374                         eDepsOperation_Code parent_key_opcode;
1375
1376                         /* NOTE: this difference in handling allows us to prevent lockups while ensuring correct poses for separate chains */
1377                         if (root_map.has_common_root(pchan->name, pchan->parent->name)) {
1378                                 parent_key_opcode = DEG_OPCODE_BONE_READY;
1379                         }
1380                         else {
1381                                 parent_key_opcode = DEG_OPCODE_BONE_DONE;
1382                         }
1383
1384                         OperationKey parent_key(&ob->id, DEPSNODE_TYPE_BONE, pchan->parent->name, parent_key_opcode);
1385                         add_relation(parent_key, bone_pose_key, DEPSREL_TYPE_TRANSFORM, "[Parent Bone -> Child Bone]");
1386                 }
1387
1388                 /* constraints */
1389                 if (pchan->constraints.first != NULL) {
1390                         /* constraints stack and constraint dependencies */
1391                         build_constraints(scene, &ob->id, DEPSNODE_TYPE_BONE, pchan->name, &pchan->constraints, &root_map);
1392
1393                         /* pose -> constraints */
1394                         OperationKey constraints_key(&ob->id, DEPSNODE_TYPE_BONE, pchan->name, DEG_OPCODE_BONE_CONSTRAINTS);
1395                         add_relation(bone_pose_key, constraints_key, DEPSREL_TYPE_OPERATION, "Constraints Stack");
1396
1397                         /* constraints -> ready */
1398                         // TODO: when constraint stack is exploded, this step should occur before the first IK solver
1399                         add_relation(constraints_key, bone_ready_key, DEPSREL_TYPE_OPERATION, "Constraints -> Ready");
1400                 }
1401                 else {
1402                         /* pose -> ready */
1403                         add_relation(bone_pose_key, bone_ready_key, DEPSREL_TYPE_OPERATION, "Pose -> Ready");
1404                 }
1405
1406                 /* bone ready -> done
1407                  * NOTE: For bones without IK, this is all that's needed.
1408                  *       For IK chains however, an additional rel is created from IK to done,
1409                  *       with transitive reduction removing this one...
1410                  */
1411                 add_relation(bone_ready_key, bone_done_key, DEPSREL_TYPE_OPERATION, "Ready -> Done");
1412
1413                 /* assume that all bones must be done for the pose to be ready (for deformers) */
1414                 add_relation(bone_done_key, flush_key, DEPSREL_TYPE_OPERATION, "PoseEval Result-Bone Link");
1415         }
1416 }
1417
1418 void DepsgraphRelationBuilder::build_proxy_rig(Object *ob)
1419 {
1420         OperationKey pose_init_key(&ob->id, DEPSNODE_TYPE_EVAL_POSE, DEG_OPCODE_POSE_INIT);
1421         OperationKey pose_done_key(&ob->id, DEPSNODE_TYPE_EVAL_POSE, DEG_OPCODE_POSE_DONE);
1422         for (bPoseChannel *pchan = (bPoseChannel *)ob->pose->chanbase.first;
1423              pchan != NULL;
1424              pchan = pchan->next)
1425         {
1426                 OperationKey bone_local_key(&ob->id, DEPSNODE_TYPE_BONE, pchan->name, DEG_OPCODE_BONE_LOCAL);
1427                 OperationKey bone_ready_key(&ob->id, DEPSNODE_TYPE_BONE, pchan->name, DEG_OPCODE_BONE_READY);
1428                 OperationKey bone_done_key(&ob->id, DEPSNODE_TYPE_BONE, pchan->name, DEG_OPCODE_BONE_DONE);
1429                 add_relation(pose_init_key, bone_local_key, DEPSREL_TYPE_OPERATION, "Pose Init -> Bone Local");
1430                 add_relation(bone_local_key, bone_ready_key, DEPSREL_TYPE_OPERATION, "Local -> Ready");
1431                 add_relation(bone_ready_key, bone_done_key, DEPSREL_TYPE_OPERATION, "Ready -> Done");
1432                 add_relation(bone_done_key, pose_done_key, DEPSREL_TYPE_OPERATION, "Bone Done -> Pose Done");
1433         }
1434 }
1435
1436 /* Shapekeys */
1437 void DepsgraphRelationBuilder::build_shapekeys(ID *obdata, Key *key)
1438 {
1439         ComponentKey obdata_key(obdata, DEPSNODE_TYPE_GEOMETRY);
1440
1441         /* attach animdata to geometry */
1442         build_animdata(&key->id);
1443
1444         if (key->adt) {
1445                 // TODO: this should really be handled in build_animdata, since many of these cases will need it
1446                 if (key->adt->action || key->adt->nla_tracks.first) {
1447                         ComponentKey adt_key(&key->id, DEPSNODE_TYPE_ANIMATION);
1448                         add_relation(adt_key, obdata_key, DEPSREL_TYPE_OPERATION, "Animation");
1449                 }
1450
1451                 /* NOTE: individual shapekey drivers are handled above already */
1452         }
1453
1454         /* attach to geometry */
1455         // XXX: aren't shapekeys now done as a pseudo-modifier on object?
1456         //ComponentKey key_key(&key->id, DEPSNODE_TYPE_GEOMETRY); // FIXME: this doesn't exist
1457         //add_relation(key_key, obdata_key, DEPSREL_TYPE_GEOMETRY_EVAL, "Shapekeys");
1458 }
1459
1460 /**
1461  * ObData Geometry Evaluation
1462  * ==========================
1463  *
1464  * The evaluation of geometry on objects is as follows:
1465  * - The actual evaluated of the derived geometry (e.g. DerivedMesh, DispList, etc.)
1466  *   occurs in the Geometry component of the object which references this. This includes
1467  *   modifiers, and the temporary "ubereval" for geometry.
1468  * - Therefore, each user of a piece of shared geometry data ends up evaluating its own
1469  *   version of the stuff, complete with whatever modifiers it may use.
1470  *
1471  * - The datablocks for the geometry data - "obdata" (e.g. ID_ME, ID_CU, ID_LT, etc.) are used for
1472  *     1) calculating the bounding boxes of the geometry data,
1473  *     2) aggregating inward links from other objects (e.g. for text on curve, etc.)
1474  *        and also for the links coming from the shapekey datablocks
1475  * - Animation/Drivers affecting the parameters of the geometry are made to trigger
1476  *   updates on the obdata geometry component, which then trigger downstream
1477  *   re-evaluation of the individual instances of this geometry.
1478  */
1479 // TODO: Materials and lighting should probably get their own component, instead of being lumped under geometry?
1480 void DepsgraphRelationBuilder::build_obdata_geom(Main *bmain, Scene *scene, Object *ob)
1481 {
1482         ID *obdata = (ID *)ob->data;
1483
1484         /* Init operation of object-level geometry evaluation. */
1485         OperationKey geom_init_key(&ob->id, DEPSNODE_TYPE_GEOMETRY, DEG_OPCODE_PLACEHOLDER, "Eval Init");
1486
1487         /* get nodes for result of obdata's evaluation, and geometry evaluation on object */
1488         ComponentKey obdata_geom_key(obdata, DEPSNODE_TYPE_GEOMETRY);
1489         ComponentKey geom_key(&ob->id, DEPSNODE_TYPE_GEOMETRY);
1490
1491         /* link components to each other */
1492         add_relation(obdata_geom_key, geom_key, DEPSREL_TYPE_DATABLOCK, "Object Geometry Base Data");
1493
1494         /* Modifiers */
1495         if (ob->modifiers.first) {
1496                 ModifierData *md;
1497                 OperationKey prev_mod_key;
1498
1499                 for (md = (ModifierData *)ob->modifiers.first; md; md = md->next) {
1500                         const ModifierTypeInfo *mti = modifierType_getInfo((ModifierType)md->type);
1501                         OperationKey mod_key(&ob->id, DEPSNODE_TYPE_GEOMETRY, DEG_OPCODE_GEOMETRY_MODIFIER, md->name);
1502
1503                         if (md->prev) {
1504                                 /* Stack relation: modifier depends on previous modifier in the stack */
1505                                 add_relation(prev_mod_key, mod_key, DEPSREL_TYPE_GEOMETRY_EVAL, "Modifier Stack");
1506                         }
1507                         else {
1508                                 /* Stack relation: first modifier depends on the geometry. */
1509                                 add_relation(geom_init_key, mod_key, DEPSREL_TYPE_GEOMETRY_EVAL, "Modifier Stack");
1510                         }
1511
1512                         if (mti->updateDepsgraph) {
1513                                 DepsNodeHandle handle = create_node_handle(mod_key);
1514                                 mti->updateDepsgraph(
1515                                         md,
1516                                         bmain,
1517                                         scene,
1518                                         ob,
1519                                         reinterpret_cast< ::DepsNodeHandle* >(&handle));
1520                         }
1521
1522                         if (BKE_object_modifier_use_time(ob, md)) {
1523                                 TimeSourceKey time_src_key;
1524                                 add_relation(time_src_key, mod_key, DEPSREL_TYPE_TIME, "Time Source");
1525
1526                                 /* Hacky fix for T45633 (Animated modifiers aren't updated)
1527                                  *
1528                                  * This check works because BKE_object_modifier_use_time() tests
1529                                  * for either the modifier needing time, or that it is animated.
1530                                  */
1531                                 /* XXX: Remove this hack when these links are added as part of build_animdata() instead */
1532                                 if (modifier_dependsOnTime(md) == false) {
1533                                         ComponentKey animation_key(&ob->id, DEPSNODE_TYPE_ANIMATION);
1534                                         add_relation(animation_key, mod_key, DEPSREL_TYPE_OPERATION, "Modifier Animation");
1535                                 }
1536                         }
1537
1538                         prev_mod_key = mod_key;
1539                 }
1540         }
1541
1542         /* materials */
1543         if (ob->totcol) {
1544                 int a;
1545
1546                 for (a = 1; a <= ob->totcol; a++) {
1547                         Material *ma = give_current_material(ob, a);
1548
1549                         if (ma)
1550                                 build_material(&ob->id, ma);
1551                 }
1552         }
1553
1554         /* geometry collision */
1555         if (ELEM(ob->type, OB_MESH, OB_CURVE, OB_LATTICE)) {
1556                 // add geometry collider relations
1557         }
1558
1559         /* Make sure uber update is the last in the dependencies.
1560          *
1561          * TODO(sergey): Get rid of this node.
1562          */
1563         if (ob->type != OB_ARMATURE) {
1564                 /* Armatures does no longer require uber node. */
1565                 OperationKey obdata_ubereval_key(&ob->id, DEPSNODE_TYPE_GEOMETRY, DEG_OPCODE_GEOMETRY_UBEREVAL);
1566                 if (ob->modifiers.last) {
1567                         ModifierData *md = (ModifierData *)ob->modifiers.last;
1568                         OperationKey mod_key(&ob->id, DEPSNODE_TYPE_GEOMETRY, DEG_OPCODE_GEOMETRY_MODIFIER, md->name);
1569                         add_relation(mod_key, obdata_ubereval_key, DEPSREL_TYPE_OPERATION, "Object Geometry UberEval");
1570                 }
1571                 else {
1572                         add_relation(geom_init_key, obdata_ubereval_key, DEPSREL_TYPE_OPERATION, "Object Geometry UberEval");
1573                 }
1574         }
1575
1576         if (obdata->tag & LIB_TAG_DOIT) {
1577                 return;
1578         }
1579         obdata->tag |= LIB_TAG_DOIT;
1580
1581         /* Link object data evaluation node to exit operation. */
1582         OperationKey obdata_geom_eval_key(obdata, DEPSNODE_TYPE_GEOMETRY, DEG_OPCODE_PLACEHOLDER, "Geometry Eval");
1583         OperationKey obdata_geom_done_key(obdata, DEPSNODE_TYPE_GEOMETRY, DEG_OPCODE_PLACEHOLDER, "Eval Done");
1584         add_relation(obdata_geom_eval_key, obdata_geom_done_key, DEPSREL_TYPE_DATABLOCK, "ObData Geom Eval Done");
1585
1586         /* type-specific node/links */
1587         switch (ob->type) {
1588                 case OB_MESH:
1589                         break;
1590
1591                 case OB_MBALL:
1592                 {
1593                         Object *mom = BKE_mball_basis_find(scene, ob);
1594
1595                         /* motherball - mom depends on children! */
1596                         if (mom != ob) {
1597                                 /* non-motherball -> cannot be directly evaluated! */
1598                                 ComponentKey mom_key(&mom->id, DEPSNODE_TYPE_GEOMETRY);
1599                                 ComponentKey transform_key(&ob->id, DEPSNODE_TYPE_TRANSFORM);
1600                                 add_relation(geom_key, mom_key, DEPSREL_TYPE_GEOMETRY_EVAL, "Metaball Motherball");
1601                                 add_relation(transform_key, mom_key, DEPSREL_TYPE_GEOMETRY_EVAL, "Metaball Motherball");
1602                         }
1603                         break;
1604                 }
1605
1606                 case OB_CURVE:
1607                 case OB_FONT:
1608                 {
1609                         Curve *cu = (Curve *)obdata;
1610
1611                         /* curve's dependencies */
1612                         // XXX: these needs geom data, but where is geom stored?
1613                         if (cu->bevobj) {
1614                                 ComponentKey bevob_key(&cu->bevobj->id, DEPSNODE_TYPE_GEOMETRY);
1615                                 add_relation(bevob_key, geom_key, DEPSREL_TYPE_GEOMETRY_EVAL, "Curve Bevel");
1616                         }
1617                         if (cu->taperobj) {
1618                                 ComponentKey taperob_key(&cu->taperobj->id, DEPSNODE_TYPE_GEOMETRY);
1619                                 add_relation(taperob_key, geom_key, DEPSREL_TYPE_GEOMETRY_EVAL, "Curve Taper");
1620                         }
1621                         if (ob->type == OB_FONT) {
1622                                 if (cu->textoncurve) {
1623                                         ComponentKey textoncurve_key(&cu->taperobj->id, DEPSNODE_TYPE_GEOMETRY);
1624                                         add_relation(textoncurve_key, geom_key, DEPSREL_TYPE_GEOMETRY_EVAL, "Text on Curve");
1625                                 }
1626                         }
1627                         break;
1628                 }
1629
1630                 case OB_SURF: /* Nurbs Surface */
1631                 {
1632                         break;
1633                 }
1634
1635                 case OB_LATTICE: /* Lattice */
1636                 {
1637                         break;
1638                 }
1639         }
1640
1641         /* ShapeKeys */
1642         Key *key = BKE_key_from_object(ob);
1643         if (key) {
1644                 build_shapekeys(obdata, key);
1645         }
1646
1647         if (needs_animdata_node(obdata)) {
1648                 ComponentKey animation_key(obdata, DEPSNODE_TYPE_ANIMATION);
1649                 ComponentKey parameters_key(obdata, DEPSNODE_TYPE_PARAMETERS);
1650                 add_relation(animation_key, parameters_key,
1651                              DEPSREL_TYPE_COMPONENT_ORDER, "Geom Parameters");
1652                 /* Evaluation usually depends on animation.
1653                  * TODO(sergey): Need to re-hook it after granular update is implemented..
1654                  */
1655                 add_relation(animation_key, obdata_geom_eval_key, DEPSREL_TYPE_GEOMETRY_EVAL, "Animation");
1656         }
1657 }
1658
1659 /* Cameras */
1660 // TODO: Link scene-camera links in somehow...
1661 void DepsgraphRelationBuilder::build_camera(Object *ob)
1662 {
1663         Camera *cam = (Camera *)ob->data;
1664         ID *camera_id = &cam->id;
1665         if (camera_id->tag & LIB_TAG_DOIT) {
1666                 return;
1667         }
1668         camera_id->tag |= LIB_TAG_DOIT;
1669
1670         ComponentKey parameters_key(camera_id, DEPSNODE_TYPE_PARAMETERS);
1671
1672         if (needs_animdata_node(camera_id)) {
1673                 ComponentKey animation_key(camera_id, DEPSNODE_TYPE_ANIMATION);
1674                 add_relation(animation_key, parameters_key,
1675                              DEPSREL_TYPE_COMPONENT_ORDER, "Camera Parameters");
1676         }
1677
1678         /* DOF */
1679         if (cam->dof_ob) {
1680                 ComponentKey ob_param_key(&ob->id, DEPSNODE_TYPE_PARAMETERS);
1681                 ComponentKey dof_ob_key(&cam->dof_ob->id, DEPSNODE_TYPE_TRANSFORM);
1682                 add_relation(dof_ob_key, ob_param_key, DEPSREL_TYPE_TRANSFORM, "Camera DOF");
1683         }
1684 }
1685
1686 /* Lamps */
1687 void DepsgraphRelationBuilder::build_lamp(Object *ob)
1688 {
1689         Lamp *la = (Lamp *)ob->data;
1690         ID *lamp_id = &la->id;
1691         if (lamp_id->tag & LIB_TAG_DOIT) {
1692                 return;
1693         }
1694         lamp_id->tag |= LIB_TAG_DOIT;
1695
1696         ComponentKey parameters_key(lamp_id, DEPSNODE_TYPE_PARAMETERS);
1697
1698         if (needs_animdata_node(lamp_id)) {
1699                 ComponentKey animation_key(lamp_id, DEPSNODE_TYPE_ANIMATION);
1700                 add_relation(animation_key, parameters_key,
1701                              DEPSREL_TYPE_COMPONENT_ORDER, "Lamp Parameters");
1702         }
1703
1704         /* lamp's nodetree */
1705         if (la->nodetree) {
1706                 build_nodetree(lamp_id, la->nodetree);
1707                 ComponentKey nodetree_key(&la->nodetree->id, DEPSNODE_TYPE_PARAMETERS);
1708                 add_relation(nodetree_key, parameters_key,
1709                              DEPSREL_TYPE_COMPONENT_ORDER, "NTree->Lamp Parameters");
1710         }
1711
1712         /* textures */
1713         build_texture_stack(lamp_id, la->mtex);
1714 }
1715
1716 void DepsgraphRelationBuilder::build_nodetree(ID *owner, bNodeTree *ntree)
1717 {
1718         if (!ntree)
1719                 return;
1720
1721         ID *ntree_id = &ntree->id;
1722
1723         build_animdata(ntree_id);
1724
1725         OperationKey parameters_key(ntree_id,
1726                                     DEPSNODE_TYPE_PARAMETERS,
1727                                     DEG_OPCODE_PLACEHOLDER,
1728                                     "Parameters Eval");
1729
1730         /* nodetree's nodes... */
1731         for (bNode *bnode = (bNode *)ntree->nodes.first; bnode; bnode = bnode->next) {
1732                 if (bnode->id) {
1733                         if (GS(bnode->id->name) == ID_MA) {
1734                                 build_material(owner, (Material *)bnode->id);
1735                         }
1736                         else if (bnode->type == ID_TE) {
1737                                 build_texture(owner, (Tex *)bnode->id);
1738                         }
1739                         else if (bnode->type == NODE_GROUP) {
1740                                 bNodeTree *group_ntree = (bNodeTree *)bnode->id;
1741                                 if ((group_ntree->id.tag & LIB_TAG_DOIT) == 0) {
1742                                         build_nodetree(owner, group_ntree);
1743                                         group_ntree->id.tag |= LIB_TAG_DOIT;
1744                                 }
1745                                 OperationKey group_parameters_key(&group_ntree->id,
1746                                                                   DEPSNODE_TYPE_PARAMETERS,
1747                                                                   DEG_OPCODE_PLACEHOLDER,
1748                                                                   "Parameters Eval");
1749                                 add_relation(group_parameters_key, parameters_key,
1750                                              DEPSREL_TYPE_COMPONENT_ORDER, "Group Node");
1751                         }
1752                 }
1753         }
1754
1755         if (needs_animdata_node(ntree_id)) {
1756                 ComponentKey animation_key(ntree_id, DEPSNODE_TYPE_ANIMATION);
1757                 add_relation(animation_key, parameters_key,
1758                              DEPSREL_TYPE_COMPONENT_ORDER, "NTree Parameters");
1759         }
1760
1761         // TODO: link from nodetree to owner_component?
1762 }
1763
1764 /* Recursively build graph for material */
1765 void DepsgraphRelationBuilder::build_material(ID *owner, Material *ma)
1766 {
1767         ID *ma_id = &ma->id;
1768         if (ma_id->tag & LIB_TAG_DOIT) {
1769                 return;
1770         }
1771         ma_id->tag |= LIB_TAG_DOIT;
1772
1773         /* animation */
1774         build_animdata(ma_id);
1775
1776         /* textures */
1777         build_texture_stack(owner, ma->mtex);
1778
1779         /* material's nodetree */
1780         build_nodetree(owner, ma->nodetree);
1781 }
1782
1783 /* Recursively build graph for texture */
1784 void DepsgraphRelationBuilder::build_texture(ID *owner, Tex *tex)
1785 {
1786         ID *tex_id = &tex->id;
1787         if (tex_id->tag & LIB_TAG_DOIT) {
1788                 return;
1789         }
1790         tex_id->tag |= LIB_TAG_DOIT;
1791
1792         /* texture itself */
1793         build_animdata(tex_id);
1794
1795         /* texture's nodetree */
1796         build_nodetree(owner, tex->nodetree);
1797 }
1798
1799 /* Texture-stack attached to some shading datablock */
1800 void DepsgraphRelationBuilder::build_texture_stack(ID *owner, MTex **texture_stack)
1801 {
1802         int i;
1803
1804         /* for now assume that all texture-stacks have same number of max items */
1805         for (i = 0; i < MAX_MTEX; i++) {
1806                 MTex *mtex = texture_stack[i];
1807                 if (mtex && mtex->tex)
1808                         build_texture(owner, mtex->tex);
1809         }
1810 }
1811
1812 void DepsgraphRelationBuilder::build_compositor(Scene *scene)
1813 {
1814         /* For now, just a plain wrapper? */
1815         build_nodetree(&scene->id, scene->nodetree);
1816 }
1817
1818 void DepsgraphRelationBuilder::build_gpencil(ID *UNUSED(owner), bGPdata *gpd)
1819 {
1820         /* animation */
1821         build_animdata(&gpd->id);
1822
1823         // TODO: parent object (when that feature is implemented)
1824 }
1825
1826 bool DepsgraphRelationBuilder::needs_animdata_node(ID *id)
1827 {
1828         AnimData *adt = BKE_animdata_from_id(id);
1829         if (adt != NULL) {
1830                 return adt->action != NULL;
1831         }
1832         return false;
1833 }
1834
1835 }  // namespace DEG