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/*
* 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.
*/
/** \file
* \ingroup depsgraph
*
* Evaluation engine entry-points for Depsgraph Engine.
*/
#include "MEM_guardedalloc.h"
#include "BLI_listbase.h"
#include "BLI_utildefines.h"
#include "BKE_scene.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "DEG_depsgraph.h"
#include "DEG_depsgraph_query.h"
#include "intern/eval/deg_eval.h"
#include "intern/eval/deg_eval_flush.h"
#include "intern/node/deg_node.h"
#include "intern/node/deg_node_operation.h"
#include "intern/node/deg_node_time.h"
#include "intern/depsgraph.h"
#include "intern/depsgraph_tag.h"
namespace deg = blender::deg;
static void deg_flush_updates_and_refresh(deg::Depsgraph *deg_graph)
{
/* Update the time on the cow scene. */
if (deg_graph->scene_cow) {
BKE_scene_frame_set(deg_graph->scene_cow, deg_graph->frame);
}
deg::graph_tag_ids_for_visible_update(deg_graph);
deg::deg_graph_flush_updates(deg_graph);
deg::deg_evaluate_on_refresh(deg_graph);
}
void DEG_evaluate_on_refresh(Depsgraph *graph)
{
deg::Depsgraph *deg_graph = reinterpret_cast<deg::Depsgraph *>(graph);
const Scene *scene = DEG_get_input_scene(graph);
const float frame = BKE_scene_frame_get(scene);
const float ctime = BKE_scene_ctime_get(scene);
if (deg_graph->frame != frame || ctime != deg_graph->ctime) {
deg_graph->tag_time_source();
deg_graph->frame = frame;
deg_graph->ctime = ctime;
}
else if (scene->id.recalc & ID_RECALC_FRAME_CHANGE) {
/* Comparing depsgraph & scene frame fails in the case of undo,
* since the undo state is stored before updates from the frame change have been applied.
* In this case reading back the undo state will behave as if no updates on frame change
* is needed as the #Depsgraph.ctime & frame will match the values in the input scene.
* Use #ID_RECALC_FRAME_CHANGE to detect that recalculation is necessary. see: T66913. */
deg_graph->tag_time_source();
}
deg_flush_updates_and_refresh(deg_graph);
}
void DEG_evaluate_on_framechange(Depsgraph *graph, float frame)
{
deg::Depsgraph *deg_graph = reinterpret_cast<deg::Depsgraph *>(graph);
const Scene *scene = DEG_get_input_scene(graph);
deg_graph->tag_time_source();
deg_graph->frame = frame;
deg_graph->ctime = BKE_scene_frame_to_ctime(scene, frame);
deg_flush_updates_and_refresh(deg_graph);
}
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