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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2020 Blender Foundation. All rights reserved. */
#pragma once
#include "IO_dupli_persistent_id.hh"
#include "BKE_duplilist.h"
#include <map>
#include <set>
namespace blender::io {
/* Find relations between duplicated objects. This class should be instanced for a single real
* object, and fed its dupli-objects. */
class DupliParentFinder final {
private:
/* To check whether an Object * is instanced by this duplicator. */
std::set<const Object *> dupli_set_;
/* To find the DupliObject given its Persistent ID. */
typedef std::map<const PersistentID, const DupliObject *> PIDToDupliMap;
PIDToDupliMap pid_to_dupli_;
/* Mapping from instancer PID to duplis instanced by it. */
typedef std::map<const PersistentID, std::set<const DupliObject *>> InstancerPIDToDuplisMap;
InstancerPIDToDuplisMap instancer_pid_to_duplis_;
public:
void insert(const DupliObject *dupli_ob);
bool is_duplicated(const Object *object) const;
const DupliObject *find_suitable_export_parent(const DupliObject *dupli_ob) const;
private:
const DupliObject *find_duplicated_parent(const DupliObject *dupli_ob) const;
const DupliObject *find_instancer(const DupliObject *dupli_ob) const;
};
} // namespace blender::io
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