aef11435b9
Moving MAX_DUPLI_RECUR from `DNA_object_types` to `BKE_duplilist` is more correct organizationally and it allows some downstream consumers to remove the inclusion of a large and unnecessary DNA header. Archaeology reference: https://archive.blender.org/developer/D8222 Pull Request: https://projects.blender.org/blender/blender/pulls/131274
47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
/* SPDX-FileCopyrightText: 2020 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#pragma once
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#include "BKE_duplilist.hh"
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#include <array>
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#include <string>
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namespace blender::io {
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/* Wrapper for DupliObject::persistent_id that can act as a map key. */
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class PersistentID {
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protected:
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constexpr static int array_length_ = MAX_DUPLI_RECUR;
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using PIDArray = std::array<int, array_length_>;
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PIDArray persistent_id_;
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explicit PersistentID(const PIDArray &persistent_id_values);
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public:
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PersistentID();
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explicit PersistentID(const DupliObject *dupli_ob);
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/* Return true if the persistent IDs are the same, ignoring the first digit. */
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bool is_from_same_instancer_as(const PersistentID &other) const;
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/* Construct the persistent ID of this instance's instancer. */
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PersistentID instancer_pid() const;
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/* Construct a string representation by reversing the persistent ID.
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* In case of a duplicator that is duplicated itself as well, this
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* results in strings like:
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* "3" for the duplicated duplicator, and
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* "3-0", "3-1", etc. for its duplis. */
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std::string as_object_name_suffix() const;
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friend bool operator==(const PersistentID &persistent_id_a, const PersistentID &persistent_id_b);
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friend bool operator<(const PersistentID &persistent_id_a, const PersistentID &persistent_id_b);
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private:
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void copy_values_from(const PIDArray &persistent_id_values);
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};
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} // namespace blender::io
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