diff options
Diffstat (limited to 'source/blender/depsgraph/intern/depsnode.cc')
| -rw-r--r-- | source/blender/depsgraph/intern/depsnode.cc | 316 |
1 files changed, 316 insertions, 0 deletions
diff --git a/source/blender/depsgraph/intern/depsnode.cc b/source/blender/depsgraph/intern/depsnode.cc new file mode 100644 index 00000000000..1736aadf999 --- /dev/null +++ b/source/blender/depsgraph/intern/depsnode.cc @@ -0,0 +1,316 @@ +/* + * ***** BEGIN GPL LICENSE BLOCK ***** + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * The Original Code is Copyright (C) 2013 Blender Foundation. + * All rights reserved. + * + * Original Author: Joshua Leung + * Contributor(s): None Yet + * + * ***** END GPL LICENSE BLOCK ***** + */ + +/** \file blender/depsgraph/intern/depsnode.cc + * \ingroup depsgraph + */ + +#include <stdio.h> +#include <string.h> + +#include "BLI_utildefines.h" + +extern "C" { +#include "DNA_ID.h" +#include "DNA_anim_types.h" + +#include "BKE_animsys.h" + +#include "DEG_depsgraph.h" +} + +#include "depsnode.h" /* own include */ +#include "depsnode_component.h" +#include "depsnode_operation.h" +#include "depsgraph_intern.h" + +/* *************** */ +/* Node Management */ + +/* Add ------------------------------------------------ */ + +DepsNode::TypeInfo::TypeInfo(eDepsNode_Type type, const char *tname) +{ + this->type = type; + if (type == DEPSNODE_TYPE_OPERATION) + this->tclass = DEPSNODE_CLASS_OPERATION; + else if (type < DEPSNODE_TYPE_PARAMETERS) + this->tclass = DEPSNODE_CLASS_GENERIC; + else + this->tclass = DEPSNODE_CLASS_COMPONENT; + this->tname = tname; +} + +DepsNode::DepsNode() +{ + this->name[0] = '\0'; +} + +DepsNode::~DepsNode() +{ + /* free links + * note: deleting relations will remove them from the node relations set, + * but only touch the same position as we are using here, which is safe. + */ + DEPSNODE_RELATIONS_ITER_BEGIN(this->inlinks, rel) + { + OBJECT_GUARDED_DELETE(rel, DepsRelation); + } + DEPSNODE_RELATIONS_ITER_END; + + DEPSNODE_RELATIONS_ITER_BEGIN(this->outlinks, rel) + { + OBJECT_GUARDED_DELETE(rel, DepsRelation); + } + DEPSNODE_RELATIONS_ITER_END; +} + + +/* Generic identifier for Depsgraph Nodes. */ +string DepsNode::identifier() const +{ + char typebuf[7]; + sprintf(typebuf, "(%d)", type); + + return string(typebuf) + " : " + name; +} + +/* ************* */ +/* Generic Nodes */ + +/* Time Source Node ============================================== */ + +void TimeSourceDepsNode::tag_update(Depsgraph *graph) +{ + for (DepsNode::Relations::const_iterator it = outlinks.begin(); + it != outlinks.end(); + ++it) + { + DepsRelation *rel = *it; + DepsNode *node = rel->to; + node->tag_update(graph); + } +} + + +/* Root Node ============================================== */ + +RootDepsNode::RootDepsNode() : scene(NULL), time_source(NULL) +{ +} + +RootDepsNode::~RootDepsNode() +{ + OBJECT_GUARDED_DELETE(time_source, TimeSourceDepsNode); +} + +TimeSourceDepsNode *RootDepsNode::add_time_source(const string &name) +{ + if (!time_source) { + DepsNodeFactory *factory = DEG_get_node_factory(DEPSNODE_TYPE_TIMESOURCE); + time_source = (TimeSourceDepsNode *)factory->create_node(NULL, "", name); + /*time_source->owner = this;*/ // XXX + } + return time_source; +} + +DEG_DEPSNODE_DEFINE(RootDepsNode, DEPSNODE_TYPE_ROOT, "Root DepsNode"); +static DepsNodeFactoryImpl<RootDepsNode> DNTI_ROOT; + +/* Time Source Node ======================================= */ + +DEG_DEPSNODE_DEFINE(TimeSourceDepsNode, DEPSNODE_TYPE_TIMESOURCE, "Time Source"); +static DepsNodeFactoryImpl<TimeSourceDepsNode> DNTI_TIMESOURCE; + +/* ID Node ================================================ */ + +/* Initialize 'id' node - from pointer data given. */ +void IDDepsNode::init(const ID *id, const string &UNUSED(subdata)) +{ + /* Store ID-pointer. */ + BLI_assert(id != NULL); + this->id = (ID *)id; + this->layers = (1 << 20) - 1; + this->eval_flags = 0; + + /* NOTE: components themselves are created if/when needed. + * This prevents problems with components getting added + * twice if an ID-Ref needs to be created to house it... + */ +} + +/* Free 'id' node. */ +IDDepsNode::~IDDepsNode() +{ + clear_components(); +} + +/* Copy 'id' node. */ +void IDDepsNode::copy(DepsgraphCopyContext *dcc, const IDDepsNode *src) +{ + (void)src; /* Ignored. */ + /* Iterate over items in original hash, adding them to new hash. */ + for (IDDepsNode::ComponentMap::const_iterator it = this->components.begin(); + it != this->components.end(); + ++it) + { + /* Get current <type : component> mapping. */ + ComponentIDKey c_key = it->first; + DepsNode *old_component = it->second; + + /* Make a copy of component. */ + ComponentDepsNode *component = (ComponentDepsNode *)DEG_copy_node(dcc, old_component); + + /* Add new node to hash... */ + this->components[c_key] = component; + } + + // TODO: perform a second loop to fix up links? + BLI_assert(!"Not expected to be used"); +} + +ComponentDepsNode *IDDepsNode::find_component(eDepsNode_Type type, + const string &name) const +{ + ComponentIDKey key(type, name); + ComponentMap::const_iterator it = components.find(key); + return it != components.end() ? it->second : NULL; +} + +ComponentDepsNode *IDDepsNode::add_component(eDepsNode_Type type, + const string &name) +{ + ComponentIDKey key(type, name); + ComponentDepsNode *comp_node = find_component(type, name); + if (!comp_node) { + DepsNodeFactory *factory = DEG_get_node_factory(type); + comp_node = (ComponentDepsNode *)factory->create_node(this->id, "", name); + + /* Register. */ + this->components[key] = comp_node; + comp_node->owner = this; + } + return comp_node; +} + +void IDDepsNode::remove_component(eDepsNode_Type type, const string &name) +{ + ComponentIDKey key(type, name); + ComponentDepsNode *comp_node = find_component(type, name); + if (comp_node) { + /* Unregister. */ + this->components.erase(key); + OBJECT_GUARDED_DELETE(comp_node, ComponentDepsNode); + } +} + +void IDDepsNode::clear_components() +{ + for (ComponentMap::const_iterator it = components.begin(); + it != components.end(); + ++it) + { + ComponentDepsNode *comp_node = it->second; + OBJECT_GUARDED_DELETE(comp_node, ComponentDepsNode); + } + components.clear(); +} + +void IDDepsNode::tag_update(Depsgraph *graph) +{ + for (ComponentMap::const_iterator it = components.begin(); + it != components.end(); + ++it) + { + ComponentDepsNode *comp_node = it->second; + /* TODO(sergey): What about drievrs? */ + bool do_component_tag = comp_node->type != DEPSNODE_TYPE_ANIMATION; + if (comp_node->type == DEPSNODE_TYPE_ANIMATION) { + AnimData *adt = BKE_animdata_from_id(id); + BLI_assert(adt != NULL); + if (adt->recalc & ADT_RECALC_ANIM) { + do_component_tag = true; + } + } + if (do_component_tag) { + comp_node->tag_update(graph); + } + } +} + +DEG_DEPSNODE_DEFINE(IDDepsNode, DEPSNODE_TYPE_ID_REF, "ID Node"); +static DepsNodeFactoryImpl<IDDepsNode> DNTI_ID_REF; + +/* Subgraph Node ========================================== */ + +/* Initialize 'subgraph' node - from pointer data given. */ +void SubgraphDepsNode::init(const ID *id, const string &UNUSED(subdata)) +{ + /* Store ID-ref if provided. */ + this->root_id = (ID *)id; + + /* NOTE: graph will need to be added manually, + * as we don't have any way of passing this down. + */ +} + +/* Free 'subgraph' node */ +SubgraphDepsNode::~SubgraphDepsNode() +{ + /* Only free if graph not shared, of if this node is the first + * reference to it... + */ + // XXX: prune these flags a bit... + if ((this->flag & SUBGRAPH_FLAG_FIRSTREF) || !(this->flag & SUBGRAPH_FLAG_SHARED)) { + /* Free the referenced graph. */ + DEG_graph_free(this->graph); + this->graph = NULL; + } +} + +/* Copy 'subgraph' node - Assume that the subgraph doesn't get copied for now... */ +void SubgraphDepsNode::copy(DepsgraphCopyContext * /*dcc*/, + const SubgraphDepsNode * /*src*/) +{ + //const SubgraphDepsNode *src_node = (const SubgraphDepsNode *)src; + //SubgraphDepsNode *dst_node = (SubgraphDepsNode *)dst; + + /* for now, subgraph itself isn't copied... */ + BLI_assert(!"Not expected to be used"); +} + +DEG_DEPSNODE_DEFINE(SubgraphDepsNode, DEPSNODE_TYPE_SUBGRAPH, "Subgraph Node"); +static DepsNodeFactoryImpl<SubgraphDepsNode> DNTI_SUBGRAPH; + + +void DEG_register_base_depsnodes() +{ + DEG_register_node_typeinfo(&DNTI_ROOT); + DEG_register_node_typeinfo(&DNTI_TIMESOURCE); + + DEG_register_node_typeinfo(&DNTI_ID_REF); + DEG_register_node_typeinfo(&DNTI_SUBGRAPH); +} |