295 lines
12 KiB
C
295 lines
12 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) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*/
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#ifndef __BKE_LIB_ID_H__
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#define __BKE_LIB_ID_H__
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/** \file
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* \ingroup bke
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*
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* API to manage data-blocks inside of Blender's Main data-base, or as independent runtime-only
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* data.
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*
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* \note `BKE_lib_` files are for operations over data-blocks themselves, although they might
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* alter Main as well (when creating/renaming/deleting an ID e.g.).
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*
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* \section Function Names
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*
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* \warning Descriptions below is ideal goal, current status of naming does not yet fully follow it
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* (this is WIP).
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*
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* - `BKE_lib_id_` should be used for rather high-level operations, that involve Main database and
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* relations with other IDs, and can be considered as 'safe' (as in, in themselves, they leave
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* affected IDs/Main in a consistent status).
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* - `BKE_lib_libblock_` should be used for lower level operations, that perform some parts of
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* `BKE_lib_id_` ones, but will generally not ensure caller that affected data is in a consistent
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* state by their own execution alone.
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* - `BKE_lib_main_` should be used for operations performed over all IDs of a given Main
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* data-base.
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*
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* \note External code should typically not use `BKE_lib_libblock_` functions, except in some
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* specific cases requiring advanced (and potentially dangerous) handling.
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*/
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#include "BLI_compiler_attrs.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct GHash;
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struct ID;
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struct Library;
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struct ListBase;
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struct Main;
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struct PointerRNA;
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struct PropertyRNA;
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struct bContext;
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size_t BKE_libblock_get_alloc_info(short type, const char **name);
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void *BKE_libblock_alloc_notest(short type) ATTR_WARN_UNUSED_RESULT;
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void *BKE_libblock_alloc(struct Main *bmain, short type, const char *name, const int flag)
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ATTR_WARN_UNUSED_RESULT;
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void BKE_libblock_init_empty(struct ID *id) ATTR_NONNULL(1);
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/* *** ID's session_uuid management. *** */
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/* When an ID's uuid is of that value, it is unset/invalid (e.g. for runtime IDs, etc.). */
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#define MAIN_ID_SESSION_UUID_UNSET 0
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void BKE_lib_libblock_session_uuid_ensure(struct ID *id);
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void BKE_lib_libblock_session_uuid_renew(struct ID *id);
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void *BKE_id_new(struct Main *bmain, const short type, const char *name);
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void *BKE_id_new_nomain(const short type, const char *name);
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/**
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* New ID creation/copying options.
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*/
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enum {
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/* *** Generic options (should be handled by all ID types copying, ID creation, etc.). *** */
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/** Create datablock outside of any main database -
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* similar to 'localize' functions of materials etc. */
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LIB_ID_CREATE_NO_MAIN = 1 << 0,
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/** Do not affect user refcount of datablocks used by new one
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* (which also gets zero usercount then).
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* Implies LIB_ID_CREATE_NO_MAIN. */
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LIB_ID_CREATE_NO_USER_REFCOUNT = 1 << 1,
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/** Assume given 'newid' already points to allocated memory for whole datablock
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* (ID + data) - USE WITH CAUTION!
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* Implies LIB_ID_CREATE_NO_MAIN. */
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LIB_ID_CREATE_NO_ALLOCATE = 1 << 2,
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/** Do not tag new ID for update in depsgraph. */
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LIB_ID_CREATE_NO_DEG_TAG = 1 << 8,
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/* *** Specific options to some ID types or usages. *** */
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/* *** May be ignored by unrelated ID copying functions. *** */
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/** Object only, needed by make_local code. */
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/* LIB_ID_COPY_NO_PROXY_CLEAR = 1 << 16, */ /* UNUSED */
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/** Do not copy preview data, when supported. */
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LIB_ID_COPY_NO_PREVIEW = 1 << 17,
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/** Copy runtime data caches. */
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LIB_ID_COPY_CACHES = 1 << 18,
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/** Don't copy id->adt, used by ID datablock localization routines. */
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LIB_ID_COPY_NO_ANIMDATA = 1 << 19,
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/** Mesh: Reference CD data layers instead of doing real copy - USE WITH CAUTION! */
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LIB_ID_COPY_CD_REFERENCE = 1 << 20,
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/* *** XXX Hackish/not-so-nice specific behaviors needed for some corner cases. *** */
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/* *** Ideally we should not have those, but we need them for now... *** */
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/** EXCEPTION! Deep-copy actions used by animdata of copied ID. */
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LIB_ID_COPY_ACTIONS = 1 << 24,
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/** Keep the library pointer when copying datablock outside of bmain. */
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LIB_ID_COPY_KEEP_LIB = 1 << 25,
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/** EXCEPTION! Deep-copy shapekeys used by copied obdata ID. */
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LIB_ID_COPY_SHAPEKEY = 1 << 26,
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/* *** Helper 'defines' gathering most common flag sets. *** */
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/** Shapekeys are not real ID's, more like local data to geometry IDs... */
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LIB_ID_COPY_DEFAULT = LIB_ID_COPY_SHAPEKEY,
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/** Generate a local copy, outside of bmain, to work on (used by COW e.g.). */
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LIB_ID_COPY_LOCALIZE = LIB_ID_CREATE_NO_MAIN | LIB_ID_CREATE_NO_USER_REFCOUNT |
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LIB_ID_CREATE_NO_DEG_TAG | LIB_ID_COPY_NO_PREVIEW | LIB_ID_COPY_CACHES,
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};
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void BKE_libblock_copy_ex(struct Main *bmain,
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const struct ID *id,
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struct ID **r_newid,
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const int orig_flag);
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void *BKE_libblock_copy(struct Main *bmain, const struct ID *id) ATTR_WARN_UNUSED_RESULT
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ATTR_NONNULL();
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/* Special version: used by data-block localization. */
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void *BKE_libblock_copy_for_localize(const struct ID *id);
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void BKE_libblock_rename(struct Main *bmain, struct ID *id, const char *name) ATTR_NONNULL();
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void BLI_libblock_ensure_unique_name(struct Main *bmain, const char *name) ATTR_NONNULL();
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struct ID *BKE_libblock_find_name(struct Main *bmain,
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const short type,
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const char *name) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL();
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/**
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* Duplicate (a.k.a. deep copy) common processing options.
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* See also eDupli_ID_Flags for options controlling what kind of IDs to duplicate.
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*/
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typedef enum eLibIDDuplicateFlags {
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/** This call to a duplicate function is part of another call for some parent ID.
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* Therefore, this sub-process should not clear `newid` pointers, nor handle remapping itself. */
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LIB_ID_DUPLICATE_IS_SUBPROCESS = 1 << 0,
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} eLibIDDuplicateFlags;
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/* lib_remap.c (keep here since they're general functions) */
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/**
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* New freeing logic options.
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*/
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enum {
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/* *** Generic options (should be handled by all ID types freeing). *** */
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/** Do not try to remove freed ID from given Main (passed Main may be NULL). */
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LIB_ID_FREE_NO_MAIN = 1 << 0,
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/**
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* Do not affect user refcount of datablocks used by freed one.
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* Implies LIB_ID_FREE_NO_MAIN.
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*/
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LIB_ID_FREE_NO_USER_REFCOUNT = 1 << 1,
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/**
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* Assume freed ID datablock memory is managed elsewhere, do not free it
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* (still calls relevant ID type's freeing function though) - USE WITH CAUTION!
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* Implies LIB_ID_FREE_NO_MAIN.
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*/
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LIB_ID_FREE_NOT_ALLOCATED = 1 << 2,
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/** Do not tag freed ID for update in depsgraph. */
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LIB_ID_FREE_NO_DEG_TAG = 1 << 8,
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/** Do not attempt to remove freed ID from UI data/notifiers/... */
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LIB_ID_FREE_NO_UI_USER = 1 << 9,
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};
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void BKE_libblock_free_datablock(struct ID *id, const int flag) ATTR_NONNULL();
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void BKE_libblock_free_data(struct ID *id, const bool do_id_user) ATTR_NONNULL();
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void BKE_id_free_ex(struct Main *bmain, void *idv, int flag, const bool use_flag_from_idtag);
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void BKE_id_free(struct Main *bmain, void *idv);
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void BKE_id_free_us(struct Main *bmain, void *idv) ATTR_NONNULL();
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void BKE_id_delete(struct Main *bmain, void *idv) ATTR_NONNULL();
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void BKE_id_multi_tagged_delete(struct Main *bmain) ATTR_NONNULL();
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void BKE_libblock_management_main_add(struct Main *bmain, void *idv);
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void BKE_libblock_management_main_remove(struct Main *bmain, void *idv);
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void BKE_libblock_management_usercounts_set(struct Main *bmain, void *idv);
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void BKE_libblock_management_usercounts_clear(struct Main *bmain, void *idv);
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void id_lib_extern(struct ID *id);
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void id_lib_indirect_weak_link(struct ID *id);
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void id_us_ensure_real(struct ID *id);
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void id_us_clear_real(struct ID *id);
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void id_us_plus_no_lib(struct ID *id);
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void id_us_plus(struct ID *id);
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void id_us_min(struct ID *id);
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void id_fake_user_set(struct ID *id);
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void id_fake_user_clear(struct ID *id);
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void BKE_id_clear_newpoin(struct ID *id);
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/** Flags to control make local code behaviour. */
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enum {
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/** Making that ID local is part of making local a whole library. */
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LIB_ID_MAKELOCAL_FULL_LIBRARY = 1 << 0,
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/* Special type-specific options. */
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/** For Objects, do not clear the proxy pointers while making the data-block local. */
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LIB_ID_MAKELOCAL_OBJECT_NO_PROXY_CLEARING = 1 << 16,
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};
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void BKE_lib_id_make_local_generic(struct Main *bmain, struct ID *id, const int flags);
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bool BKE_lib_id_make_local(struct Main *bmain, struct ID *id, const bool test, const int flags);
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bool id_single_user(struct bContext *C,
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struct ID *id,
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struct PointerRNA *ptr,
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struct PropertyRNA *prop);
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bool BKE_id_copy_is_allowed(const struct ID *id);
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bool BKE_id_copy(struct Main *bmain, const struct ID *id, struct ID **newid);
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bool BKE_id_copy_ex(struct Main *bmain, const struct ID *id, struct ID **r_newid, const int flag);
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struct ID *BKE_id_copy_for_duplicate(struct Main *bmain,
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struct ID *id,
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const uint duplicate_flags);
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void BKE_lib_id_swap(struct Main *bmain, struct ID *id_a, struct ID *id_b);
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void BKE_lib_id_swap_full(struct Main *bmain, struct ID *id_a, struct ID *id_b);
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void id_sort_by_name(struct ListBase *lb, struct ID *id, struct ID *id_sorting_hint);
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void BKE_lib_id_expand_local(struct Main *bmain, struct ID *id);
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bool BKE_id_new_name_validate(struct ListBase *lb, struct ID *id, const char *name)
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ATTR_NONNULL(1, 2);
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void BKE_lib_id_clear_library_data(struct Main *bmain, struct ID *id);
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/* Affect whole Main database. */
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void BKE_main_id_tag_idcode(struct Main *mainvar,
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const short type,
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const int tag,
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const bool value);
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void BKE_main_id_tag_listbase(struct ListBase *lb, const int tag, const bool value);
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void BKE_main_id_tag_all(struct Main *mainvar, const int tag, const bool value);
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void BKE_main_id_flag_listbase(struct ListBase *lb, const int flag, const bool value);
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void BKE_main_id_flag_all(struct Main *bmain, const int flag, const bool value);
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void BKE_main_id_clear_newpoins(struct Main *bmain);
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void BKE_main_id_refcount_recompute(struct Main *bmain, const bool do_linked_only);
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void BKE_main_lib_objects_recalc_all(struct Main *bmain);
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/* Only for repairing files via versioning, avoid for general use. */
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void BKE_main_id_repair_duplicate_names_listbase(struct ListBase *lb);
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#define MAX_ID_FULL_NAME (64 + 64 + 3 + 1) /* 64 is MAX_ID_NAME - 2 */
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#define MAX_ID_FULL_NAME_UI (MAX_ID_FULL_NAME + 3) /* Adds 'keycode' two letters at beginning. */
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void BKE_id_full_name_get(char name[MAX_ID_FULL_NAME], const struct ID *id, char separator_str);
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void BKE_id_full_name_ui_prefix_get(char name[MAX_ID_FULL_NAME_UI],
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const struct ID *id,
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const bool add_lib_hint,
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char separator_char);
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char *BKE_id_to_unique_string_key(const struct ID *id);
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void BKE_library_make_local(struct Main *bmain,
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const struct Library *lib,
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struct GHash *old_to_new_ids,
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const bool untagged_only,
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const bool set_fake);
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void BKE_id_tag_set_atomic(struct ID *id, int tag);
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void BKE_id_tag_clear_atomic(struct ID *id, int tag);
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bool BKE_id_is_in_global_main(struct ID *id);
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void BKE_id_ordered_list(struct ListBase *ordered_lb, const struct ListBase *lb);
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void BKE_id_reorder(const struct ListBase *lb, struct ID *id, struct ID *relative, bool after);
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#define IS_TAGGED(_id) ((_id) && (((ID *)_id)->tag & LIB_TAG_DOIT))
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#ifdef __cplusplus
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}
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#endif
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#endif /* __BKE_LIB_ID_H__ */
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