133 lines
4.5 KiB
C++
133 lines
4.5 KiB
C++
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2013 Blender Foundation.
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* All rights reserved.
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*
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* Original Author: Joshua Leung
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* Contributor(s): Sergey Sharybin
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file blender/depsgraph/DEG_depsgraph_query.h
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* \ingroup depsgraph
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*
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* Public API for Querying and Filtering Depsgraph.
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*/
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#ifndef __DEG_DEPSGRAPH_QUERY_H__
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#define __DEG_DEPSGRAPH_QUERY_H__
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#include "DEG_depsgraph.h"
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struct ID;
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struct Base;
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struct BLI_Iterator;
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struct Depsgraph;
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struct DupliObject;
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struct ListBase;
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struct Scene;
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struct SceneLayer;
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Check if given ID type was tagged for update. */
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bool DEG_id_type_tagged(struct Main *bmain, short id_type);
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/* Get additional evaluation flags for the given ID. */
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short DEG_get_eval_flags_for_id(struct Depsgraph *graph, struct ID *id);
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/* Get scene the despgraph is created for. */
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struct Scene *DEG_get_evaluated_scene(struct Depsgraph *graph);
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/* Get scene layer the despgraph is created for. */
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struct SceneLayer *DEG_get_evaluated_scene_layer(struct Depsgraph *graph);
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/* Get evaluated version of object for given original one. */
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struct Object *DEG_get_evaluated_object(struct Depsgraph *depsgraph, struct Object *object);
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/* Get evaluated version of given ID datablock. */
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struct ID *DEG_get_evaluated_id(struct Depsgraph *depsgraph, struct ID *id);
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/* ************************ DAG iterators ********************* */
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enum {
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DEG_OBJECT_ITER_FLAG_SET = (1 << 0),
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DEG_OBJECT_ITER_FLAG_DUPLI = (1 << 1),
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};
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#define DEG_OBJECT_ITER_FLAG_ALL (DEG_OBJECT_ITER_FLAG_SET | DEG_OBJECT_ITER_FLAG_DUPLI)
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typedef struct DEGObjectsIteratorData {
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struct Depsgraph *graph;
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struct Scene *scene;
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struct EvaluationContext eval_ctx;
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/* TODO(sergey): Base should never be a thing coming FROM depsgraph. */
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struct Base *base;
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int base_flag;
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int flag;
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/* **** Iteration over dupli-list. *** */
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/* Object which created the dupli-list. */
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struct Object *dupli_parent;
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/* List of duplicated objects. */
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struct ListBase *dupli_list;
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/* Next duplicated object to step into. */
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struct DupliObject *dupli_object_next;
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/* Corresponds to current object: current iterator object is evaluated from
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* this duplicated object.
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*/
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struct DupliObject *dupli_object_current;
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/* Temporary storage to report fully populated DNA to the render engine or
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* other users of the iterator.
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*/
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struct Object temp_dupli_object;
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} DEGObjectsIteratorData;
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void DEG_objects_iterator_begin(struct BLI_Iterator *iter, DEGObjectsIteratorData *data);
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void DEG_objects_iterator_next(struct BLI_Iterator *iter);
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void DEG_objects_iterator_end(struct BLI_Iterator *iter);
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/* Temporary hacky solution waiting for cow depsgraph implementation. */
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#define DEG_OBJECT_ITER(graph_, instance_, flag_) \
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{ \
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DEGObjectsIteratorData data_ = { \
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.graph = (graph_), \
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.flag = (flag_), \
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}; \
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\
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ITER_BEGIN(DEG_objects_iterator_begin, \
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DEG_objects_iterator_next, \
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DEG_objects_iterator_end, \
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&data_, Object *, instance_)
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#define DEG_OBJECT_ITER_END \
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ITER_END \
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}
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* __DEG_DEPSGRAPH_QUERY_H__ */
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