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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2016 Blender Foundation. All rights reserved. */
/** \file
* \ingroup depsgraph
*/
#include "intern/builder/deg_builder.h"
#include <cstring>
#include "DNA_ID.h"
#include "DNA_anim_types.h"
#include "DNA_armature_types.h"
#include "DNA_layer_types.h"
#include "DNA_object_types.h"
#include "BLI_stack.h"
#include "BLI_utildefines.h"
#include "BKE_action.h"
#include "RNA_prototypes.h"
#include "intern/builder/deg_builder_cache.h"
#include "intern/builder/deg_builder_remove_noop.h"
#include "intern/depsgraph.h"
#include "intern/depsgraph_relation.h"
#include "intern/depsgraph_tag.h"
#include "intern/depsgraph_type.h"
#include "intern/eval/deg_eval_copy_on_write.h"
#include "intern/eval/deg_eval_visibility.h"
#include "intern/node/deg_node.h"
#include "intern/node/deg_node_component.h"
#include "intern/node/deg_node_id.h"
#include "intern/node/deg_node_operation.h"
#include "DEG_depsgraph.h"
namespace blender::deg {
bool deg_check_id_in_depsgraph(const Depsgraph *graph, ID *id_orig)
{
IDNode *id_node = graph->find_id_node(id_orig);
return id_node != nullptr;
}
bool deg_check_base_in_depsgraph(const Depsgraph *graph, Base *base)
{
Object *object_orig = base->base_orig->object;
IDNode *id_node = graph->find_id_node(&object_orig->id);
if (id_node == nullptr) {
return false;
}
return id_node->has_base;
}
/* -------------------------------------------------------------------- */
/** \name Base Class for Builders
* \{ */
DepsgraphBuilder::DepsgraphBuilder(Main *bmain, Depsgraph *graph, DepsgraphBuilderCache *cache)
: bmain_(bmain), graph_(graph), cache_(cache)
{
}
bool DepsgraphBuilder::need_pull_base_into_graph(const Base *base)
{
/* Simple check: enabled bases are always part of dependency graph. */
const int base_flag = (graph_->mode == DAG_EVAL_VIEWPORT) ? BASE_ENABLED_VIEWPORT :
BASE_ENABLED_RENDER;
if (base->flag & base_flag) {
return true;
}
/* More involved check: since we don't support dynamic changes in dependency graph topology and
* all visible objects are to be part of dependency graph, we pull all objects which has animated
* visibility. */
return is_object_visibility_animated(base->object);
}
bool DepsgraphBuilder::is_object_visibility_animated(const Object *object)
{
AnimatedPropertyID property_id;
if (graph_->mode == DAG_EVAL_VIEWPORT) {
property_id = AnimatedPropertyID(&object->id, &RNA_Object, "hide_viewport");
}
else if (graph_->mode == DAG_EVAL_RENDER) {
property_id = AnimatedPropertyID(&object->id, &RNA_Object, "hide_render");
}
else {
BLI_assert_msg(0, "Unknown evaluation mode.");
return false;
}
return cache_->isPropertyAnimated(&object->id, property_id);
}
bool DepsgraphBuilder::check_pchan_has_bbone(const Object *object, const bPoseChannel *pchan)
{
BLI_assert(object->type == OB_ARMATURE);
if (pchan == nullptr || pchan->bone == nullptr) {
return false;
}
/* We don't really care whether segments are higher than 1 due to static user input (as in,
* rigger entered value like 3 manually), or due to animation. In either way we need to create
* special evaluation. */
if (pchan->bone->segments > 1) {
return true;
}
bArmature *armature = static_cast<bArmature *>(object->data);
AnimatedPropertyID property_id(&armature->id, &RNA_Bone, pchan->bone, "bbone_segments");
/* Check both Object and Armature animation data, because drivers modifying Armature
* state could easily be created in the Object AnimData. */
return cache_->isPropertyAnimated(&object->id, property_id) ||
cache_->isPropertyAnimated(&armature->id, property_id);
}
bool DepsgraphBuilder::check_pchan_has_bbone_segments(const Object *object,
const bPoseChannel *pchan)
{
return check_pchan_has_bbone(object, pchan);
}
bool DepsgraphBuilder::check_pchan_has_bbone_segments(const Object *object, const char *bone_name)
{
const bPoseChannel *pchan = BKE_pose_channel_find_name(object->pose, bone_name);
return check_pchan_has_bbone_segments(object, pchan);
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Builder Finalizer.
* \{ */
void deg_graph_build_finalize(Main *bmain, Depsgraph *graph)
{
deg_graph_flush_visibility_flags(graph);
deg_graph_remove_unused_noops(graph);
/* Re-tag IDs for update if it was tagged before the relations
* update tag. */
for (IDNode *id_node : graph->id_nodes) {
ID *id_orig = id_node->id_orig;
id_node->finalize_build(graph);
int flag = 0;
/* Tag rebuild if special evaluation flags changed. */
if (id_node->eval_flags != id_node->previous_eval_flags) {
flag |= ID_RECALC_TRANSFORM | ID_RECALC_GEOMETRY;
}
/* Tag rebuild if the custom data mask changed. */
if (id_node->customdata_masks != id_node->previous_customdata_masks) {
flag |= ID_RECALC_GEOMETRY;
}
if (!deg_copy_on_write_is_expanded(id_node->id_cow)) {
flag |= ID_RECALC_COPY_ON_WRITE;
/* This means ID is being added to the dependency graph first
* time, which is similar to "ob-visible-change" */
if (GS(id_orig->name) == ID_OB) {
flag |= ID_RECALC_TRANSFORM | ID_RECALC_GEOMETRY;
}
}
/* Restore recalc flags from original ID, which could possibly contain recalc flags set by
* an operator and then were carried on by the undo system. */
flag |= id_orig->recalc;
if (flag != 0) {
graph_id_tag_update(bmain, graph, id_node->id_orig, flag, DEG_UPDATE_SOURCE_RELATIONS);
}
}
}
/** \} */
} // namespace blender::deg
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