115 lines
3.4 KiB
C++
115 lines
3.4 KiB
C++
/*
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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) 2019 Blender Foundation.
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* All rights reserved.
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*/
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#include "IO_abstract_hierarchy_iterator.h"
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#include "BKE_duplilist.h"
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extern "C" {
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#include <climits> /* For INT_MAX. */
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}
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#include <cstring>
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#include <sstream>
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namespace blender::io {
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ObjectIdentifier::ObjectIdentifier(Object *object,
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Object *duplicated_by,
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const PersistentID &persistent_id)
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: object(object), duplicated_by(duplicated_by), persistent_id(persistent_id)
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{
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}
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ObjectIdentifier::ObjectIdentifier(const ObjectIdentifier &other)
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: object(other.object), duplicated_by(other.duplicated_by), persistent_id(other.persistent_id)
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{
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}
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ObjectIdentifier::~ObjectIdentifier()
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{
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}
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ObjectIdentifier ObjectIdentifier::for_real_object(Object *object)
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{
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return ObjectIdentifier(object, nullptr, PersistentID());
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}
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ObjectIdentifier ObjectIdentifier::for_hierarchy_context(const HierarchyContext *context)
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{
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if (context == nullptr) {
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return for_graph_root();
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}
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if (context->duplicator != nullptr) {
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return ObjectIdentifier(context->object, context->duplicator, context->persistent_id);
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}
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return for_real_object(context->object);
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}
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ObjectIdentifier ObjectIdentifier::for_duplicated_object(const DupliObject *dupli_object,
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Object *duplicated_by)
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{
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return ObjectIdentifier(dupli_object->ob, duplicated_by, PersistentID(dupli_object));
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}
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ObjectIdentifier ObjectIdentifier::for_graph_root()
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{
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return ObjectIdentifier(nullptr, nullptr, PersistentID());
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}
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bool ObjectIdentifier::is_root() const
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{
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return object == nullptr;
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}
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bool operator<(const ObjectIdentifier &obj_ident_a, const ObjectIdentifier &obj_ident_b)
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{
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if (obj_ident_a.object != obj_ident_b.object) {
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return obj_ident_a.object < obj_ident_b.object;
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}
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if (obj_ident_a.duplicated_by != obj_ident_b.duplicated_by) {
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return obj_ident_a.duplicated_by < obj_ident_b.duplicated_by;
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}
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if (obj_ident_a.duplicated_by == nullptr) {
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/* Both are real objects, no need to check the persistent ID. */
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return false;
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}
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/* Same object, both are duplicated, use the persistent IDs to determine order. */
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return obj_ident_a.persistent_id < obj_ident_b.persistent_id;
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}
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bool operator==(const ObjectIdentifier &obj_ident_a, const ObjectIdentifier &obj_ident_b)
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{
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if (obj_ident_a.object != obj_ident_b.object) {
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return false;
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}
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if (obj_ident_a.duplicated_by != obj_ident_b.duplicated_by) {
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return false;
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}
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if (obj_ident_a.duplicated_by == nullptr) {
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return true;
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}
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/* Same object, both are duplicated, use the persistent IDs to determine equality. */
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return obj_ident_a.persistent_id == obj_ident_b.persistent_id;
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}
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} // namespace blender::io
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