1094 lines
35 KiB
C
1094 lines
35 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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/** \file \ingroup bke
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*
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* Contains management of ID's and libraries remap, unlink and free logic.
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*/
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#include <stdio.h>
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#include <ctype.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stddef.h>
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#include <assert.h>
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#include "CLG_log.h"
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#include "MEM_guardedalloc.h"
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/* all types are needed here, in order to do memory operations */
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#include "DNA_anim_types.h"
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#include "DNA_armature_types.h"
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#include "DNA_brush_types.h"
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#include "DNA_camera_types.h"
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#include "DNA_cachefile_types.h"
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#include "DNA_collection_types.h"
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#include "DNA_gpencil_types.h"
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#include "DNA_ipo_types.h"
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#include "DNA_key_types.h"
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#include "DNA_lamp_types.h"
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#include "DNA_lattice_types.h"
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#include "DNA_linestyle_types.h"
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#include "DNA_material_types.h"
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#include "DNA_mesh_types.h"
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#include "DNA_meta_types.h"
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#include "DNA_movieclip_types.h"
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#include "DNA_mask_types.h"
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#include "DNA_node_types.h"
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#include "DNA_object_types.h"
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#include "DNA_lightprobe_types.h"
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#include "DNA_scene_types.h"
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#include "DNA_screen_types.h"
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#include "DNA_speaker_types.h"
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#include "DNA_sound_types.h"
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#include "DNA_text_types.h"
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#include "DNA_vfont_types.h"
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#include "DNA_windowmanager_types.h"
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#include "DNA_workspace_types.h"
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#include "DNA_world_types.h"
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#include "BLI_blenlib.h"
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#include "BLI_utildefines.h"
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#include "BKE_action.h"
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#include "BKE_animsys.h"
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#include "BKE_armature.h"
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#include "BKE_brush.h"
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#include "BKE_camera.h"
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#include "BKE_cachefile.h"
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#include "BKE_collection.h"
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#include "BKE_curve.h"
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#include "BKE_fcurve.h"
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#include "BKE_font.h"
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#include "BKE_gpencil.h"
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#include "BKE_idprop.h"
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#include "BKE_image.h"
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#include "BKE_ipo.h"
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#include "BKE_key.h"
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#include "BKE_lamp.h"
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#include "BKE_lattice.h"
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#include "BKE_layer.h"
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#include "BKE_library.h"
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#include "BKE_library_override.h"
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#include "BKE_library_query.h"
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#include "BKE_library_remap.h"
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#include "BKE_linestyle.h"
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#include "BKE_mesh.h"
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#include "BKE_material.h"
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#include "BKE_main.h"
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#include "BKE_mask.h"
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#include "BKE_mball.h"
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#include "BKE_modifier.h"
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#include "BKE_movieclip.h"
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#include "BKE_multires.h"
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#include "BKE_node.h"
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#include "BKE_object.h"
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#include "BKE_paint.h"
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#include "BKE_particle.h"
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#include "BKE_lightprobe.h"
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#include "BKE_speaker.h"
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#include "BKE_sound.h"
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#include "BKE_screen.h"
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#include "BKE_scene.h"
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#include "BKE_text.h"
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#include "BKE_texture.h"
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#include "BKE_workspace.h"
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#include "BKE_world.h"
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#include "DEG_depsgraph.h"
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#include "DEG_depsgraph_build.h"
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#ifdef WITH_PYTHON
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#include "BPY_extern.h"
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#endif
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static CLG_LogRef LOG = {"bke.library_remap"};
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static BKE_library_free_window_manager_cb free_windowmanager_cb = NULL;
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void BKE_library_callback_free_window_manager_set(BKE_library_free_window_manager_cb func)
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{
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free_windowmanager_cb = func;
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}
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static BKE_library_free_notifier_reference_cb free_notifier_reference_cb = NULL;
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void BKE_library_callback_free_notifier_reference_set(BKE_library_free_notifier_reference_cb func)
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{
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free_notifier_reference_cb = func;
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}
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static BKE_library_remap_editor_id_reference_cb remap_editor_id_reference_cb = NULL;
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void BKE_library_callback_remap_editor_id_reference_set(BKE_library_remap_editor_id_reference_cb func)
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{
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remap_editor_id_reference_cb = func;
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}
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typedef struct IDRemap {
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Main *bmain; /* Only used to trigger depsgraph updates in the right bmain. */
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ID *old_id;
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ID *new_id;
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ID *id; /* The ID in which we are replacing old_id by new_id usages. */
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short flag;
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/* 'Output' data. */
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short status;
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int skipped_direct; /* Number of direct usecases that could not be remapped (e.g.: obdata when in edit mode). */
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int skipped_indirect; /* Number of indirect usecases that could not be remapped. */
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int skipped_refcounted; /* Number of skipped usecases that refcount the datablock. */
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} IDRemap;
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/* IDRemap->flag enums defined in BKE_library.h */
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/* IDRemap->status */
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enum {
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/* *** Set by callback. *** */
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ID_REMAP_IS_LINKED_DIRECT = 1 << 0, /* new_id is directly linked in current .blend. */
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ID_REMAP_IS_USER_ONE_SKIPPED = 1 << 1, /* There was some skipped 'user_one' usages of old_id. */
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};
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static int foreach_libblock_remap_callback(void *user_data, ID *id_self, ID **id_p, int cb_flag)
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{
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if (cb_flag & IDWALK_CB_PRIVATE) {
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return IDWALK_RET_NOP;
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}
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IDRemap *id_remap_data = user_data;
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ID *old_id = id_remap_data->old_id;
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ID *new_id = id_remap_data->new_id;
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ID *id = id_remap_data->id;
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if (!old_id) { /* Used to cleanup all IDs used by a specific one. */
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BLI_assert(!new_id);
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old_id = *id_p;
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}
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if (*id_p && (*id_p == old_id)) {
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const bool is_reference = (cb_flag & IDWALK_CB_STATIC_OVERRIDE_REFERENCE) != 0;
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const bool is_indirect = (cb_flag & IDWALK_CB_INDIRECT_USAGE) != 0;
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const bool skip_indirect = (id_remap_data->flag & ID_REMAP_SKIP_INDIRECT_USAGE) != 0;
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/* Note: proxy usage implies LIB_TAG_EXTERN, so on this aspect it is direct,
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* on the other hand since they get reset to lib data on file open/reload it is indirect too...
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* Edit Mode is also a 'skip direct' case. */
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const bool is_obj = (GS(id->name) == ID_OB);
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const bool is_obj_proxy = (is_obj && (((Object *)id)->proxy || ((Object *)id)->proxy_group));
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const bool is_obj_editmode = (is_obj && BKE_object_is_in_editmode((Object *)id));
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const bool is_never_null = ((cb_flag & IDWALK_CB_NEVER_NULL) && (new_id == NULL) &&
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(id_remap_data->flag & ID_REMAP_FORCE_NEVER_NULL_USAGE) == 0);
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const bool skip_reference = (id_remap_data->flag & ID_REMAP_SKIP_STATIC_OVERRIDE) != 0;
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const bool skip_never_null = (id_remap_data->flag & ID_REMAP_SKIP_NEVER_NULL_USAGE) != 0;
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#ifdef DEBUG_PRINT
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printf("In %s (lib %p): Remapping %s (%p) to %s (%p) "
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"(is_indirect: %d, skip_indirect: %d, is_reference: %d, skip_reference: %d)\n",
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id->name, id->lib, old_id->name, old_id, new_id ? new_id->name : "<NONE>", new_id,
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is_indirect, skip_indirect, is_reference, skip_reference);
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#endif
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if ((id_remap_data->flag & ID_REMAP_FLAG_NEVER_NULL_USAGE) && (cb_flag & IDWALK_CB_NEVER_NULL)) {
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id->tag |= LIB_TAG_DOIT;
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}
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/* Special hack in case it's Object->data and we are in edit mode, and new_id is not NULL
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* (otherwise, we follow common NEVER_NULL flags).
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* (skipped_indirect too). */
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if ((is_never_null && skip_never_null) ||
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(is_obj_editmode && (((Object *)id)->data == *id_p) && new_id != NULL) ||
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(skip_indirect && is_indirect) ||
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(is_reference && skip_reference))
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{
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if (is_indirect) {
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id_remap_data->skipped_indirect++;
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if (is_obj) {
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Object *ob = (Object *)id;
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if (ob->data == *id_p && ob->proxy != NULL) {
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/* And another 'Proudly brought to you by Proxy Hell' hack!
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* This will allow us to avoid clearing 'LIB_EXTERN' flag of obdata of proxies... */
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id_remap_data->skipped_direct++;
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}
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}
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}
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else if (is_never_null || is_obj_editmode || is_reference) {
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id_remap_data->skipped_direct++;
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}
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else {
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BLI_assert(0);
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}
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if (cb_flag & IDWALK_CB_USER) {
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id_remap_data->skipped_refcounted++;
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}
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else if (cb_flag & IDWALK_CB_USER_ONE) {
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/* No need to count number of times this happens, just a flag is enough. */
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id_remap_data->status |= ID_REMAP_IS_USER_ONE_SKIPPED;
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}
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}
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else {
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if (!is_never_null) {
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*id_p = new_id;
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DEG_id_tag_update_ex(id_remap_data->bmain, id_self,
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ID_RECALC_COPY_ON_WRITE | ID_RECALC_TRANSFORM | ID_RECALC_GEOMETRY);
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}
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if (cb_flag & IDWALK_CB_USER) {
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id_us_min(old_id);
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/* We do not want to handle LIB_TAG_INDIRECT/LIB_TAG_EXTERN here. */
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if (new_id)
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new_id->us++;
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}
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else if (cb_flag & IDWALK_CB_USER_ONE) {
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id_us_ensure_real(new_id);
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/* We cannot affect old_id->us directly, LIB_TAG_EXTRAUSER(_SET) are assumed to be set as needed,
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* that extra user is processed in final handling... */
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}
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if (!is_indirect || is_obj_proxy) {
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id_remap_data->status |= ID_REMAP_IS_LINKED_DIRECT;
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}
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}
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}
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return IDWALK_RET_NOP;
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}
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static void libblock_remap_data_preprocess(IDRemap *r_id_remap_data)
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{
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switch (GS(r_id_remap_data->id->name)) {
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case ID_OB:
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{
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ID *old_id = r_id_remap_data->old_id;
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if (!old_id || GS(old_id->name) == ID_AR) {
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Object *ob = (Object *)r_id_remap_data->id;
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/* Object's pose holds reference to armature bones... sic */
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/* Note that in theory, we should have to bother about linked/non-linked/never-null/etc. flags/states.
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* Fortunately, this is just a tag, so we can accept to 'over-tag' a bit for pose recalc, and avoid
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* another complex and risky condition nightmare like the one we have in
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* foreach_libblock_remap_callback()... */
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if (ob->pose && (!old_id || ob->data == old_id)) {
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BLI_assert(ob->type == OB_ARMATURE);
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ob->pose->flag |= POSE_RECALC;
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/* We need to clear pose bone pointers immediately, things like undo writefile may be called
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* before pose is actually recomputed, can lead to segfault... */
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BKE_pose_clear_pointers(ob->pose);
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}
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}
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break;
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}
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default:
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break;
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}
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}
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/* Can be called with both old_ob and new_ob being NULL, this means we have to check whole Main database then. */
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static void libblock_remap_data_postprocess_object_update(Main *bmain, Object *old_ob, Object *new_ob)
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{
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if (new_ob == NULL) {
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/* In case we unlinked old_ob (new_ob is NULL), the object has already
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* been removed from the scenes and their collections. We still have
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* to remove the NULL children from collections not used in any scene. */
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BKE_collections_object_remove_nulls(bmain);
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}
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BKE_main_collection_sync_remap(bmain);
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if (old_ob == NULL) {
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for (Object *ob = bmain->object.first; ob != NULL; ob = ob->id.next) {
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if (ob->type == OB_MBALL && BKE_mball_is_basis(ob)) {
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DEG_id_tag_update(&ob->id, ID_RECALC_GEOMETRY);
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}
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}
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}
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else {
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for (Object *ob = bmain->object.first; ob != NULL; ob = ob->id.next) {
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if (ob->type == OB_MBALL && BKE_mball_is_basis_for(ob, old_ob)) {
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DEG_id_tag_update(&ob->id, ID_RECALC_GEOMETRY);
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break; /* There is only one basis... */
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}
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}
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}
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}
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/* Can be called with both old_collection and new_collection being NULL,
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* this means we have to check whole Main database then. */
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static void libblock_remap_data_postprocess_collection_update(
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Main *bmain, Collection *UNUSED(old_collection), Collection *new_collection)
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{
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if (new_collection == NULL) {
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/* XXX Complex cases can lead to NULL pointers in other collections than old_collection,
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* and BKE_main_collection_sync_remap() does not tolerate any of those, so for now always check whole
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* existing collections for NULL pointers.
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* I'd consider optimizing that whole collection remapping process a TODO for later. */
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BKE_collections_child_remove_nulls(bmain, NULL /*old_collection*/);
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}
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BKE_main_collection_sync_remap(bmain);
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}
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static void libblock_remap_data_postprocess_obdata_relink(Main *bmain, Object *ob, ID *new_id)
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{
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if (ob->data == new_id) {
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switch (GS(new_id->name)) {
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case ID_ME:
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multires_force_update(ob);
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break;
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case ID_CU:
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BKE_curve_type_test(ob);
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break;
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default:
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break;
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}
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test_object_modifiers(ob);
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test_object_materials(bmain, ob, new_id);
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}
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}
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static void libblock_remap_data_postprocess_nodetree_update(Main *bmain, ID *new_id)
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{
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/* Verify all nodetree user nodes. */
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ntreeVerifyNodes(bmain, new_id);
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/* Update node trees as necessary. */
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FOREACH_NODETREE_BEGIN(bmain, ntree, id) {
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/* make an update call for the tree */
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ntreeUpdateTree(bmain, ntree);
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} FOREACH_NODETREE_END;
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}
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/**
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* Execute the 'data' part of the remapping (that is, all ID pointers from other ID datablocks).
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*
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* Behavior differs depending on whether given \a id is NULL or not:
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* - \a id NULL: \a old_id must be non-NULL, \a new_id may be NULL (unlinking \a old_id) or not
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* (remapping \a old_id to \a new_id). The whole \a bmain database is checked, and all pointers to \a old_id
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* are remapped to \a new_id.
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* - \a id is non-NULL:
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* + If \a old_id is NULL, \a new_id must also be NULL, and all ID pointers from \a id are cleared (i.e. \a id
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* does not references any other datablock anymore).
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* + If \a old_id is non-NULL, behavior is as with a NULL \a id, but only within given \a id.
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*
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* \param bmain: the Main data storage to operate on (must never be NULL).
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* \param id: the datablock to operate on (can be NULL, in which case we operate over all IDs from given bmain).
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* \param old_id: the datablock to dereference (may be NULL if \a id is non-NULL).
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* \param new_id: the new datablock to replace \a old_id references with (may be NULL).
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* \param r_id_remap_data: if non-NULL, the IDRemap struct to use (uselful to retrieve info about remapping process).
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*/
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ATTR_NONNULL(1) static void libblock_remap_data(
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Main *bmain, ID *id, ID *old_id, ID *new_id, const short remap_flags, IDRemap *r_id_remap_data)
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{
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IDRemap id_remap_data;
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ListBase *lb_array[MAX_LIBARRAY];
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int i;
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const int foreach_id_flags = (remap_flags & ID_REMAP_NO_INDIRECT_PROXY_DATA_USAGE) != 0 ? IDWALK_NO_INDIRECT_PROXY_DATA_USAGE : IDWALK_NOP;
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if (r_id_remap_data == NULL) {
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r_id_remap_data = &id_remap_data;
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}
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r_id_remap_data->bmain = bmain;
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r_id_remap_data->old_id = old_id;
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r_id_remap_data->new_id = new_id;
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r_id_remap_data->id = NULL;
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r_id_remap_data->flag = remap_flags;
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r_id_remap_data->status = 0;
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r_id_remap_data->skipped_direct = 0;
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r_id_remap_data->skipped_indirect = 0;
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r_id_remap_data->skipped_refcounted = 0;
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if (id) {
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#ifdef DEBUG_PRINT
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printf("\tchecking id %s (%p, %p)\n", id->name, id, id->lib);
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#endif
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r_id_remap_data->id = id;
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libblock_remap_data_preprocess(r_id_remap_data);
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BKE_library_foreach_ID_link(NULL, id, foreach_libblock_remap_callback, (void *)r_id_remap_data, foreach_id_flags);
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}
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else {
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i = set_listbasepointers(bmain, lb_array);
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/* Note that this is a very 'brute force' approach, maybe we could use some depsgraph to only process
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* objects actually using given old_id... sounds rather unlikely currently, though, so this will do for now. */
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|
|
while (i--) {
|
|
for (ID *id_curr = lb_array[i]->first; id_curr; id_curr = id_curr->next) {
|
|
if (BKE_library_id_can_use_idtype(id_curr, GS(old_id->name))) {
|
|
/* Note that we cannot skip indirect usages of old_id here (if requested), we still need to check it for
|
|
* the user count handling...
|
|
* XXX No more true (except for debug usage of those skipping counters). */
|
|
r_id_remap_data->id = id_curr;
|
|
libblock_remap_data_preprocess(r_id_remap_data);
|
|
BKE_library_foreach_ID_link(
|
|
NULL, id_curr, foreach_libblock_remap_callback, (void *)r_id_remap_data, foreach_id_flags);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* XXX We may not want to always 'transfer' fakeuser from old to new id... Think for now it's desired behavior
|
|
* though, we can always add an option (flag) to control this later if needed. */
|
|
if (old_id && (old_id->flag & LIB_FAKEUSER)) {
|
|
id_fake_user_clear(old_id);
|
|
id_fake_user_set(new_id);
|
|
}
|
|
|
|
id_us_clear_real(old_id);
|
|
|
|
if (new_id && (new_id->tag & LIB_TAG_INDIRECT) && (r_id_remap_data->status & ID_REMAP_IS_LINKED_DIRECT)) {
|
|
new_id->tag &= ~LIB_TAG_INDIRECT;
|
|
new_id->tag |= LIB_TAG_EXTERN;
|
|
}
|
|
|
|
#ifdef DEBUG_PRINT
|
|
printf("%s: %d occurrences skipped (%d direct and %d indirect ones)\n", __func__,
|
|
r_id_remap_data->skipped_direct + r_id_remap_data->skipped_indirect,
|
|
r_id_remap_data->skipped_direct, r_id_remap_data->skipped_indirect);
|
|
#endif
|
|
}
|
|
|
|
/**
|
|
* Replace all references in given Main to \a old_id by \a new_id
|
|
* (if \a new_id is NULL, it unlinks \a old_id).
|
|
*/
|
|
void BKE_libblock_remap_locked(
|
|
Main *bmain, void *old_idv, void *new_idv,
|
|
const short remap_flags)
|
|
{
|
|
IDRemap id_remap_data;
|
|
ID *old_id = old_idv;
|
|
ID *new_id = new_idv;
|
|
int skipped_direct, skipped_refcounted;
|
|
|
|
BLI_assert(old_id != NULL);
|
|
BLI_assert((new_id == NULL) || GS(old_id->name) == GS(new_id->name));
|
|
BLI_assert(old_id != new_id);
|
|
|
|
libblock_remap_data(bmain, NULL, old_id, new_id, remap_flags, &id_remap_data);
|
|
|
|
if (free_notifier_reference_cb) {
|
|
free_notifier_reference_cb(old_id);
|
|
}
|
|
|
|
/* We assume editors do not hold references to their IDs... This is false in some cases
|
|
* (Image is especially tricky here), editors' code is to handle refcount (id->us) itself then. */
|
|
if (remap_editor_id_reference_cb) {
|
|
remap_editor_id_reference_cb(old_id, new_id);
|
|
}
|
|
|
|
skipped_direct = id_remap_data.skipped_direct;
|
|
skipped_refcounted = id_remap_data.skipped_refcounted;
|
|
|
|
/* If old_id was used by some ugly 'user_one' stuff (like Image or Clip editors...), and user count has actually
|
|
* been incremented for that, we have to decrease once more its user count... unless we had to skip
|
|
* some 'user_one' cases. */
|
|
if ((old_id->tag & LIB_TAG_EXTRAUSER_SET) && !(id_remap_data.status & ID_REMAP_IS_USER_ONE_SKIPPED)) {
|
|
id_us_clear_real(old_id);
|
|
}
|
|
|
|
if (old_id->us - skipped_refcounted < 0) {
|
|
CLOG_ERROR(&LOG, "Error in remapping process from '%s' (%p) to '%s' (%p): "
|
|
"wrong user count in old ID after process (summing up to %d)",
|
|
old_id->name, old_id, new_id ? new_id->name : "<NULL>", new_id, old_id->us - skipped_refcounted);
|
|
BLI_assert(0);
|
|
}
|
|
|
|
if (skipped_direct == 0) {
|
|
/* old_id is assumed to not be used directly anymore... */
|
|
if (old_id->lib && (old_id->tag & LIB_TAG_EXTERN)) {
|
|
old_id->tag &= ~LIB_TAG_EXTERN;
|
|
old_id->tag |= LIB_TAG_INDIRECT;
|
|
}
|
|
}
|
|
|
|
/* Some after-process updates.
|
|
* This is a bit ugly, but cannot see a way to avoid it. Maybe we should do a per-ID callback for this instead?
|
|
*/
|
|
switch (GS(old_id->name)) {
|
|
case ID_OB:
|
|
libblock_remap_data_postprocess_object_update(bmain, (Object *)old_id, (Object *)new_id);
|
|
break;
|
|
case ID_GR:
|
|
libblock_remap_data_postprocess_collection_update(bmain, (Collection *)old_id, (Collection *)new_id);
|
|
break;
|
|
case ID_ME:
|
|
case ID_CU:
|
|
case ID_MB:
|
|
if (new_id) { /* Only affects us in case obdata was relinked (changed). */
|
|
for (Object *ob = bmain->object.first; ob; ob = ob->id.next) {
|
|
libblock_remap_data_postprocess_obdata_relink(bmain, ob, new_id);
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
/* Node trees may virtually use any kind of data-block... */
|
|
/* XXX Yuck!!!! nodetree update can do pretty much any thing when talking about py nodes,
|
|
* including creating new data-blocks (see T50385), so we need to unlock main here. :(
|
|
* Why can't we have re-entrent locks? */
|
|
BKE_main_unlock(bmain);
|
|
libblock_remap_data_postprocess_nodetree_update(bmain, new_id);
|
|
BKE_main_lock(bmain);
|
|
|
|
/* Full rebuild of DEG! */
|
|
DEG_relations_tag_update(bmain);
|
|
}
|
|
|
|
void BKE_libblock_remap(Main *bmain, void *old_idv, void *new_idv, const short remap_flags)
|
|
{
|
|
BKE_main_lock(bmain);
|
|
|
|
BKE_libblock_remap_locked(bmain, old_idv, new_idv, remap_flags);
|
|
|
|
BKE_main_unlock(bmain);
|
|
}
|
|
|
|
/**
|
|
* Unlink given \a id from given \a bmain (does not touch to indirect, i.e. library, usages of the ID).
|
|
*
|
|
* \param do_flag_never_null: If true, all IDs using \a idv in a 'non-NULL' way are flagged by \a LIB_TAG_DOIT flag
|
|
* (quite obviously, 'non-NULL' usages can never be unlinked by this function...).
|
|
*/
|
|
void BKE_libblock_unlink(Main *bmain, void *idv, const bool do_flag_never_null, const bool do_skip_indirect)
|
|
{
|
|
const short remap_flags = (do_skip_indirect ? ID_REMAP_SKIP_INDIRECT_USAGE : 0) |
|
|
(do_flag_never_null ? ID_REMAP_FLAG_NEVER_NULL_USAGE : 0);
|
|
|
|
BKE_main_lock(bmain);
|
|
|
|
BKE_libblock_remap_locked(bmain, idv, NULL, remap_flags);
|
|
|
|
BKE_main_unlock(bmain);
|
|
}
|
|
|
|
/** Similar to libblock_remap, but only affects IDs used by given \a idv ID.
|
|
*
|
|
* \param old_idv: Unlike BKE_libblock_remap, can be NULL,
|
|
* in which case all ID usages by given \a idv will be cleared.
|
|
* \param us_min_never_null: If \a true and new_id is NULL,
|
|
* 'NEVER_NULL' ID usages keep their old id, but this one still gets its user count decremented
|
|
* (needed when given \a idv is going to be deleted right after being unlinked).
|
|
*/
|
|
/* Should be able to replace all _relink() funcs (constraints, rigidbody, etc.) ? */
|
|
/* XXX Arg! Naming... :(
|
|
* _relink? avoids confusion with _remap, but is confusing with _unlink
|
|
* _remap_used_ids?
|
|
* _remap_datablocks?
|
|
* BKE_id_remap maybe?
|
|
* ... sigh
|
|
*/
|
|
void BKE_libblock_relink_ex(
|
|
Main *bmain, void *idv, void *old_idv, void *new_idv, const bool us_min_never_null)
|
|
{
|
|
ID *id = idv;
|
|
ID *old_id = old_idv;
|
|
ID *new_id = new_idv;
|
|
int remap_flags = us_min_never_null ? 0 : ID_REMAP_SKIP_NEVER_NULL_USAGE;
|
|
|
|
/* No need to lock here, we are only affecting given ID, not bmain database. */
|
|
|
|
BLI_assert(id);
|
|
if (old_id) {
|
|
BLI_assert((new_id == NULL) || GS(old_id->name) == GS(new_id->name));
|
|
BLI_assert(old_id != new_id);
|
|
}
|
|
else {
|
|
BLI_assert(new_id == NULL);
|
|
}
|
|
|
|
libblock_remap_data(bmain, id, old_id, new_id, remap_flags, NULL);
|
|
|
|
/* Some after-process updates.
|
|
* This is a bit ugly, but cannot see a way to avoid it. Maybe we should do a per-ID callback for this instead?
|
|
*/
|
|
switch (GS(id->name)) {
|
|
case ID_SCE:
|
|
{
|
|
if (old_id) {
|
|
switch (GS(old_id->name)) {
|
|
case ID_OB:
|
|
libblock_remap_data_postprocess_object_update(bmain, (Object *)old_id, (Object *)new_id);
|
|
break;
|
|
case ID_GR:
|
|
libblock_remap_data_postprocess_collection_update(bmain, (Collection *)old_id, (Collection *)new_id);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
else {
|
|
/* No choice but to check whole objects/collections. */
|
|
libblock_remap_data_postprocess_collection_update(bmain, NULL, NULL);
|
|
libblock_remap_data_postprocess_object_update(bmain, NULL, NULL);
|
|
}
|
|
break;
|
|
}
|
|
case ID_OB:
|
|
if (new_id) { /* Only affects us in case obdata was relinked (changed). */
|
|
libblock_remap_data_postprocess_obdata_relink(bmain, (Object *)id, new_id);
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int id_relink_to_newid_looper(void *UNUSED(user_data), ID *UNUSED(self_id), ID **id_pointer, const int cb_flag)
|
|
{
|
|
if (cb_flag & IDWALK_CB_PRIVATE) {
|
|
return IDWALK_RET_NOP;
|
|
}
|
|
|
|
ID *id = *id_pointer;
|
|
if (id) {
|
|
/* See: NEW_ID macro */
|
|
if (id->newid) {
|
|
BKE_library_update_ID_link_user(id->newid, id, cb_flag);
|
|
*id_pointer = id->newid;
|
|
}
|
|
else if (id->tag & LIB_TAG_NEW) {
|
|
id->tag &= ~LIB_TAG_NEW;
|
|
BKE_libblock_relink_to_newid(id);
|
|
}
|
|
}
|
|
return IDWALK_RET_NOP;
|
|
}
|
|
|
|
/** Similar to libblock_relink_ex, but is remapping IDs to their newid value if non-NULL, in given \a id.
|
|
*
|
|
* Very specific usage, not sure we'll keep it on the long run, currently only used in Object duplication code...
|
|
*/
|
|
void BKE_libblock_relink_to_newid(ID *id)
|
|
{
|
|
if (ID_IS_LINKED(id))
|
|
return;
|
|
|
|
BKE_library_foreach_ID_link(NULL, id, id_relink_to_newid_looper, NULL, 0);
|
|
}
|
|
|
|
void BKE_libblock_free_data(ID *id, const bool do_id_user)
|
|
{
|
|
if (id->properties) {
|
|
IDP_FreeProperty_ex(id->properties, do_id_user);
|
|
MEM_freeN(id->properties);
|
|
}
|
|
|
|
if (id->override_static) {
|
|
BKE_override_static_free(&id->override_static);
|
|
}
|
|
|
|
/* XXX TODO remove animdata handling from each type's freeing func, and do it here, like for copy! */
|
|
}
|
|
|
|
void BKE_libblock_free_datablock(ID *id, const int UNUSED(flag))
|
|
{
|
|
const short type = GS(id->name);
|
|
switch (type) {
|
|
case ID_SCE:
|
|
BKE_scene_free_ex((Scene *)id, false);
|
|
break;
|
|
case ID_LI:
|
|
BKE_library_free((Library *)id);
|
|
break;
|
|
case ID_OB:
|
|
BKE_object_free((Object *)id);
|
|
break;
|
|
case ID_ME:
|
|
BKE_mesh_free((Mesh *)id);
|
|
break;
|
|
case ID_CU:
|
|
BKE_curve_free((Curve *)id);
|
|
break;
|
|
case ID_MB:
|
|
BKE_mball_free((MetaBall *)id);
|
|
break;
|
|
case ID_MA:
|
|
BKE_material_free((Material *)id);
|
|
break;
|
|
case ID_TE:
|
|
BKE_texture_free((Tex *)id);
|
|
break;
|
|
case ID_IM:
|
|
BKE_image_free((Image *)id);
|
|
break;
|
|
case ID_LT:
|
|
BKE_lattice_free((Lattice *)id);
|
|
break;
|
|
case ID_LA:
|
|
BKE_lamp_free((Lamp *)id);
|
|
break;
|
|
case ID_CA:
|
|
BKE_camera_free((Camera *) id);
|
|
break;
|
|
case ID_IP: /* Deprecated. */
|
|
BKE_ipo_free((Ipo *)id);
|
|
break;
|
|
case ID_KE:
|
|
BKE_key_free((Key *)id);
|
|
break;
|
|
case ID_WO:
|
|
BKE_world_free((World *)id);
|
|
break;
|
|
case ID_SCR:
|
|
BKE_screen_free((bScreen *)id);
|
|
break;
|
|
case ID_VF:
|
|
BKE_vfont_free((VFont *)id);
|
|
break;
|
|
case ID_TXT:
|
|
BKE_text_free((Text *)id);
|
|
break;
|
|
case ID_SPK:
|
|
BKE_speaker_free((Speaker *)id);
|
|
break;
|
|
case ID_LP:
|
|
BKE_lightprobe_free((LightProbe *)id);
|
|
break;
|
|
case ID_SO:
|
|
BKE_sound_free((bSound *)id);
|
|
break;
|
|
case ID_GR:
|
|
BKE_collection_free((Collection *)id);
|
|
break;
|
|
case ID_AR:
|
|
BKE_armature_free((bArmature *)id);
|
|
break;
|
|
case ID_AC:
|
|
BKE_action_free((bAction *)id);
|
|
break;
|
|
case ID_NT:
|
|
ntreeFreeTree((bNodeTree *)id);
|
|
break;
|
|
case ID_BR:
|
|
BKE_brush_free((Brush *)id);
|
|
break;
|
|
case ID_PA:
|
|
BKE_particlesettings_free((ParticleSettings *)id);
|
|
break;
|
|
case ID_WM:
|
|
if (free_windowmanager_cb)
|
|
free_windowmanager_cb(NULL, (wmWindowManager *)id);
|
|
break;
|
|
case ID_GD:
|
|
BKE_gpencil_free((bGPdata *)id, true);
|
|
break;
|
|
case ID_MC:
|
|
BKE_movieclip_free((MovieClip *)id);
|
|
break;
|
|
case ID_MSK:
|
|
BKE_mask_free((Mask *)id);
|
|
break;
|
|
case ID_LS:
|
|
BKE_linestyle_free((FreestyleLineStyle *)id);
|
|
break;
|
|
case ID_PAL:
|
|
BKE_palette_free((Palette *)id);
|
|
break;
|
|
case ID_PC:
|
|
BKE_paint_curve_free((PaintCurve *)id);
|
|
break;
|
|
case ID_CF:
|
|
BKE_cachefile_free((CacheFile *)id);
|
|
break;
|
|
case ID_WS:
|
|
BKE_workspace_free((WorkSpace *)id);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Complete ID freeing, extended version for corner cases.
|
|
* Can override default (and safe!) freeing process, to gain some speed up.
|
|
*
|
|
* At that point, given id is assumed to not be used by any other data-block already
|
|
* (might not be actually true, in case e.g. several inter-related IDs get freed together...).
|
|
* However, they might still be using (referencing) other IDs, this code takes care of it if
|
|
* \a LIB_TAG_NO_USER_REFCOUNT is not defined.
|
|
*
|
|
* \param bmain: Main database containing the freed ID, can be NULL in case it's a temp ID outside of any Main.
|
|
* \param idv: Pointer to ID to be freed.
|
|
* \param flag: Set of \a LIB_ID_FREE_... flags controlling/overriding usual freeing process,
|
|
* 0 to get default safe behavior.
|
|
* \param use_flag_from_idtag: Still use freeing info flags from given ID datablock,
|
|
* even if some overriding ones are passed in \a falg parameter.
|
|
*/
|
|
void BKE_id_free_ex(Main *bmain, void *idv, int flag, const bool use_flag_from_idtag)
|
|
{
|
|
ID *id = idv;
|
|
|
|
if (use_flag_from_idtag) {
|
|
if ((id->tag & LIB_TAG_NO_MAIN) != 0) {
|
|
flag |= LIB_ID_FREE_NO_MAIN | LIB_ID_FREE_NO_UI_USER | LIB_ID_FREE_NO_DEG_TAG;
|
|
}
|
|
else {
|
|
flag &= ~LIB_ID_FREE_NO_MAIN;
|
|
}
|
|
|
|
if ((id->tag & LIB_TAG_NO_USER_REFCOUNT) != 0) {
|
|
flag |= LIB_ID_FREE_NO_USER_REFCOUNT;
|
|
}
|
|
else {
|
|
flag &= ~LIB_ID_FREE_NO_USER_REFCOUNT;
|
|
}
|
|
|
|
if ((id->tag & LIB_TAG_NOT_ALLOCATED) != 0) {
|
|
flag |= LIB_ID_FREE_NOT_ALLOCATED;
|
|
}
|
|
else {
|
|
flag &= ~LIB_ID_FREE_NOT_ALLOCATED;
|
|
}
|
|
}
|
|
|
|
BLI_assert((flag & LIB_ID_FREE_NO_MAIN) != 0 || bmain != NULL);
|
|
BLI_assert((flag & LIB_ID_FREE_NO_MAIN) != 0 || (flag & LIB_ID_FREE_NOT_ALLOCATED) == 0);
|
|
BLI_assert((flag & LIB_ID_FREE_NO_MAIN) != 0 || (flag & LIB_ID_FREE_NO_USER_REFCOUNT) == 0);
|
|
|
|
const short type = GS(id->name);
|
|
|
|
if (bmain && (flag & LIB_ID_FREE_NO_DEG_TAG) == 0) {
|
|
DEG_id_type_tag(bmain, type);
|
|
}
|
|
|
|
#ifdef WITH_PYTHON
|
|
# ifdef WITH_PYTHON_SAFETY
|
|
BPY_id_release(id);
|
|
# endif
|
|
if (id->py_instance) {
|
|
BPY_DECREF_RNA_INVALIDATE(id->py_instance);
|
|
}
|
|
#endif
|
|
|
|
if ((flag & LIB_ID_FREE_NO_USER_REFCOUNT) == 0) {
|
|
BKE_libblock_relink_ex(bmain, id, NULL, NULL, true);
|
|
}
|
|
|
|
BKE_libblock_free_datablock(id, flag);
|
|
|
|
/* avoid notifying on removed data */
|
|
if ((flag & LIB_ID_FREE_NO_MAIN) == 0) {
|
|
BKE_main_lock(bmain);
|
|
}
|
|
|
|
if ((flag & LIB_ID_FREE_NO_UI_USER) == 0) {
|
|
if (free_notifier_reference_cb) {
|
|
free_notifier_reference_cb(id);
|
|
}
|
|
|
|
if (remap_editor_id_reference_cb) {
|
|
remap_editor_id_reference_cb(id, NULL);
|
|
}
|
|
}
|
|
|
|
if ((flag & LIB_ID_FREE_NO_MAIN) == 0) {
|
|
ListBase *lb = which_libbase(bmain, type);
|
|
BLI_remlink(lb, id);
|
|
}
|
|
|
|
BKE_libblock_free_data(id, (flag & LIB_ID_FREE_NO_USER_REFCOUNT) == 0);
|
|
|
|
if ((flag & LIB_ID_FREE_NO_MAIN) == 0) {
|
|
BKE_main_unlock(bmain);
|
|
}
|
|
|
|
if ((flag & LIB_ID_FREE_NOT_ALLOCATED) == 0) {
|
|
MEM_freeN(id);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Complete ID freeing, should be usable in most cases (even for out-of-Main IDs).
|
|
*
|
|
* See #BKE_id_free_ex description for full details.
|
|
*
|
|
* \param bmain: Main database containing the freed ID, can be NULL in case it's a temp ID outside of any Main.
|
|
* \param idv: Pointer to ID to be freed.
|
|
*/
|
|
void BKE_id_free(Main *bmain, void *idv)
|
|
{
|
|
BKE_id_free_ex(bmain, idv, 0, true);
|
|
}
|
|
|
|
/**
|
|
* Not really a freeing function by itself, it decrements usercount of given id, and only frees it if it reaches 0.
|
|
*/
|
|
void BKE_id_free_us(Main *bmain, void *idv) /* test users */
|
|
{
|
|
ID *id = idv;
|
|
|
|
id_us_min(id);
|
|
|
|
/* XXX This is a temp (2.77) hack so that we keep same behavior as in 2.76 regarding collections when deleting an object.
|
|
* Since only 'user_one' usage of objects is collections, and only 'real user' usage of objects is scenes,
|
|
* removing that 'user_one' tag when there is no more real (scene) users of an object ensures it gets
|
|
* fully unlinked.
|
|
* But only for local objects, not linked ones!
|
|
* Otherwise, there is no real way to get rid of an object anymore - better handling of this is TODO.
|
|
*/
|
|
if ((GS(id->name) == ID_OB) && (id->us == 1) && (id->lib == NULL)) {
|
|
id_us_clear_real(id);
|
|
}
|
|
|
|
if (id->us == 0) {
|
|
BKE_libblock_unlink(bmain, id, false, false);
|
|
|
|
BKE_id_free(bmain, id);
|
|
}
|
|
}
|
|
|
|
static void id_delete(Main *bmain, const bool do_tagged_deletion)
|
|
{
|
|
const int tag = LIB_TAG_DOIT;
|
|
ListBase *lbarray[MAX_LIBARRAY];
|
|
int base_count, i;
|
|
|
|
/* Used by batch tagged deletion, when we call BKE_id_free then, id is no more in Main database,
|
|
* and has already properly unlinked its other IDs usages.
|
|
* UI users are always cleared in BKE_libblock_remap_locked() call, so we can always skip it. */
|
|
const int free_flag = LIB_ID_FREE_NO_UI_USER |
|
|
(do_tagged_deletion ? LIB_ID_FREE_NO_MAIN | LIB_ID_FREE_NO_USER_REFCOUNT : 0);
|
|
ListBase tagged_deleted_ids = {NULL};
|
|
|
|
base_count = set_listbasepointers(bmain, lbarray);
|
|
|
|
BKE_main_lock(bmain);
|
|
if (do_tagged_deletion) {
|
|
/* Main idea of batch deletion is to remove all IDs to be deleted from Main database.
|
|
* This means that we won't have to loop over all deleted IDs to remove usages
|
|
* of other deleted IDs.
|
|
* This gives tremendous speed-up when deleting a large amount of IDs from a Main
|
|
* containing thousands of those.
|
|
* This also means that we have to be very careful here, as we by-pass many 'common'
|
|
* processing, hence risking to 'corrupt' at least user counts, if not IDs themselves. */
|
|
bool keep_looping = true;
|
|
while (keep_looping) {
|
|
ID *id, *id_next;
|
|
ID *last_remapped_id = tagged_deleted_ids.last;
|
|
keep_looping = false;
|
|
|
|
/* First tag and remove from Main all datablocks directly from target lib.
|
|
* Note that we go forward here, since we want to check dependencies before users
|
|
* (e.g. meshes before objects). Avoids to have to loop twice. */
|
|
for (i = 0; i < base_count; i++) {
|
|
ListBase *lb = lbarray[i];
|
|
|
|
for (id = lb->first; id; id = id_next) {
|
|
id_next = id->next;
|
|
/* Note: in case we delete a library, we also delete all its datablocks! */
|
|
if ((id->tag & tag) || (id->lib != NULL && (id->lib->id.tag & tag))) {
|
|
BLI_remlink(lb, id);
|
|
BLI_addtail(&tagged_deleted_ids, id);
|
|
id->tag |= tag | LIB_TAG_NO_MAIN;
|
|
keep_looping = true;
|
|
}
|
|
}
|
|
}
|
|
if (last_remapped_id == NULL) {
|
|
last_remapped_id = tagged_deleted_ids.first;
|
|
if (last_remapped_id == NULL) {
|
|
BLI_assert(!keep_looping);
|
|
break;
|
|
}
|
|
}
|
|
for (id = last_remapped_id->next; id; id = id->next) {
|
|
/* Will tag 'never NULL' users of this ID too.
|
|
* Note that we cannot use BKE_libblock_unlink() here, since it would ignore indirect (and proxy!)
|
|
* links, this can lead to nasty crashing here in second, actual deleting loop.
|
|
* Also, this will also flag users of deleted data that cannot be unlinked
|
|
* (object using deleted obdata, etc.), so that they also get deleted. */
|
|
BKE_libblock_remap_locked(
|
|
bmain, id, NULL,
|
|
ID_REMAP_FLAG_NEVER_NULL_USAGE | ID_REMAP_FORCE_NEVER_NULL_USAGE);
|
|
/* Since we removed ID from Main, we also need to unlink its own other IDs usages ourself. */
|
|
BKE_libblock_relink_ex(bmain, id, NULL, NULL, true);
|
|
/* This is needed because we may not have remapped usages of that ID by other deleted ones. */
|
|
// id->us = 0; /* Is it actually? */
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
/* First tag all datablocks directly from target lib.
|
|
* Note that we go forward here, since we want to check dependencies before users (e.g. meshes before objects).
|
|
* Avoids to have to loop twice. */
|
|
for (i = 0; i < base_count; i++) {
|
|
ListBase *lb = lbarray[i];
|
|
ID *id, *id_next;
|
|
|
|
for (id = lb->first; id; id = id_next) {
|
|
id_next = id->next;
|
|
/* Note: in case we delete a library, we also delete all its datablocks! */
|
|
if ((id->tag & tag) || (id->lib != NULL && (id->lib->id.tag & tag))) {
|
|
id->tag |= tag;
|
|
|
|
/* Will tag 'never NULL' users of this ID too.
|
|
* Note that we cannot use BKE_libblock_unlink() here, since it would ignore indirect (and proxy!)
|
|
* links, this can lead to nasty crashing here in second, actual deleting loop.
|
|
* Also, this will also flag users of deleted data that cannot be unlinked
|
|
* (object using deleted obdata, etc.), so that they also get deleted. */
|
|
BKE_libblock_remap_locked(
|
|
bmain, id, NULL,
|
|
ID_REMAP_FLAG_NEVER_NULL_USAGE | ID_REMAP_FORCE_NEVER_NULL_USAGE);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
BKE_main_unlock(bmain);
|
|
|
|
/* In usual reversed order, such that all usage of a given ID, even 'never NULL' ones, have been already cleared
|
|
* when we reach it (e.g. Objects being processed before meshes, they'll have already released their 'reference'
|
|
* over meshes when we come to freeing obdata). */
|
|
for (i = do_tagged_deletion ? 1 : base_count; i--; ) {
|
|
ListBase *lb = lbarray[i];
|
|
ID *id, *id_next;
|
|
|
|
for (id = do_tagged_deletion ? tagged_deleted_ids.first : lb->first; id; id = id_next) {
|
|
id_next = id->next;
|
|
if (id->tag & tag) {
|
|
if (id->us != 0) {
|
|
#ifdef DEBUG_PRINT
|
|
printf("%s: deleting %s (%d)\n", __func__, id->name, id->us);
|
|
#endif
|
|
BLI_assert(id->us == 0);
|
|
}
|
|
BKE_id_free_ex(bmain, id, free_flag, !do_tagged_deletion);
|
|
}
|
|
}
|
|
}
|
|
|
|
bmain->is_memfile_undo_written = false;
|
|
}
|
|
|
|
/**
|
|
* Properly delete a single ID from given \a bmain database.
|
|
*/
|
|
void BKE_id_delete(Main *bmain, void *idv)
|
|
{
|
|
BKE_main_id_tag_all(bmain, LIB_TAG_DOIT, false);
|
|
((ID *)idv)->tag |= LIB_TAG_DOIT;
|
|
|
|
id_delete(bmain, false);
|
|
}
|
|
|
|
/**
|
|
* Properly delete all IDs tagged with \a LIB_TAG_DOIT, in given \a bmain database.
|
|
*
|
|
* This is more efficient than calling #BKE_id_delete repetitively on a large set of IDs
|
|
* (several times faster when deleting most of the IDs at once)...
|
|
*
|
|
* \warning Considered experimental for now, seems to be working OK but this is
|
|
* risky code in a complicated area.
|
|
*/
|
|
void BKE_id_multi_tagged_delete(Main *bmain)
|
|
{
|
|
id_delete(bmain, true);
|
|
}
|