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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2013 Blender Foundation.
* All rights reserved.
*
* Original Author: Joshua Leung
* Contributor(s): None Yet
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/depsgraph/intern/nodes/deg_node_id.cc
* \ingroup depsgraph
*/
#include "intern/nodes/deg_node_id.h"
#include <stdio.h>
#include <cstring> /* required for STREQ later on. */
#include "BLI_utildefines.h"
#include "BLI_ghash.h"
extern "C" {
#include "DNA_ID.h"
#include "DNA_anim_types.h"
#include "BKE_animsys.h"
}
#include "intern/nodes/deg_node_time.h"
#include "intern/depsgraph_intern.h"
#include "util/deg_util_foreach.h"
namespace DEG {
IDDepsNode::ComponentIDKey::ComponentIDKey(eDepsNode_Type type,
const char *name)
: type(type), name(name)
{
}
bool IDDepsNode::ComponentIDKey::operator== (const ComponentIDKey &other) const
{
return type == other.type &&
STREQ(name, other.name);
}
static unsigned int id_deps_node_hash_key(const void *key_v)
{
const IDDepsNode::ComponentIDKey *key =
reinterpret_cast<const IDDepsNode::ComponentIDKey *>(key_v);
return BLI_ghashutil_combine_hash(BLI_ghashutil_uinthash(key->type),
BLI_ghashutil_strhash_p(key->name));
}
static bool id_deps_node_hash_key_cmp(const void *a, const void *b)
{
const IDDepsNode::ComponentIDKey *key_a =
reinterpret_cast<const IDDepsNode::ComponentIDKey *>(a);
const IDDepsNode::ComponentIDKey *key_b =
reinterpret_cast<const IDDepsNode::ComponentIDKey *>(b);
return !(*key_a == *key_b);
}
static void id_deps_node_hash_key_free(void *key_v)
{
typedef IDDepsNode::ComponentIDKey ComponentIDKey;
ComponentIDKey *key = reinterpret_cast<ComponentIDKey *>(key_v);
OBJECT_GUARDED_DELETE(key, ComponentIDKey);
}
static void id_deps_node_hash_value_free(void *value_v)
{
ComponentDepsNode *comp_node = reinterpret_cast<ComponentDepsNode *>(value_v);
OBJECT_GUARDED_DELETE(comp_node, ComponentDepsNode);
}
/* Initialize 'id' node - from pointer data given. */
void IDDepsNode::init(const ID *id, const char *UNUSED(subdata))
{
/* Store ID-pointer. */
BLI_assert(id != NULL);
this->id = (ID *)id;
this->layers = (1 << 20) - 1;
this->eval_flags = 0;
/* For object we initialize layers to layer from base. */
if (GS(id->name) == ID_OB) {
this->layers = 0;
}
components = BLI_ghash_new(id_deps_node_hash_key,
id_deps_node_hash_key_cmp,
"Depsgraph id components hash");
/* 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()
{
BLI_ghash_free(components,
id_deps_node_hash_key_free,
id_deps_node_hash_value_free);
}
ComponentDepsNode *IDDepsNode::find_component(eDepsNode_Type type,
const char *name) const
{
ComponentIDKey key(type, name);
return reinterpret_cast<ComponentDepsNode *>(BLI_ghash_lookup(components, &key));
}
ComponentDepsNode *IDDepsNode::add_component(eDepsNode_Type type,
const char *name)
{
ComponentDepsNode *comp_node = find_component(type, name);
if (!comp_node) {
DepsNodeFactory *factory = deg_type_get_factory(type);
comp_node = (ComponentDepsNode *)factory->create_node(this->id, "", name);
/* Register. */
ComponentIDKey *key = OBJECT_GUARDED_NEW(ComponentIDKey, type, name);
BLI_ghash_insert(components, key, comp_node);
comp_node->owner = this;
}
return comp_node;
}
void IDDepsNode::tag_update(Depsgraph *graph)
{
GHASH_FOREACH_BEGIN(ComponentDepsNode *, comp_node, components)
{
/* TODO(sergey): What about drievrs? */
bool do_component_tag = comp_node->type != DEG_NODE_TYPE_ANIMATION;
if (comp_node->type == DEG_NODE_TYPE_ANIMATION) {
AnimData *adt = BKE_animdata_from_id(id);
/* Animation data might be null if relations are tagged for update. */
if (adt != NULL && (adt->recalc & ADT_RECALC_ANIM)) {
do_component_tag = true;
}
}
if (do_component_tag) {
comp_node->tag_update(graph);
}
}
GHASH_FOREACH_END();
}
void IDDepsNode::finalize_build()
{
GHASH_FOREACH_BEGIN(ComponentDepsNode *, comp_node, components)
{
comp_node->finalize_build();
}
GHASH_FOREACH_END();
}
} // namespace DEG
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