Cleanup: Move three mesh editors files to C++

Simplifies refactoring in D14685, allows use of better data structures.

1 files changed, 0 insertions, 1532 deletions

diff --git a/source/blender/editors/mesh/meshtools.c b/source/blender/editors/mesh/meshtools.c
deleted file mode 100644
index ca9093178df..00000000000
--- a/source/blender/editors/mesh/meshtools.c
+++ /dev/null
@@ -1,1532 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later
- * Copyright 2004 Blender Foundation. All rights reserved. */
-
-/** \file
- * \ingroup edmesh
- *
- * meshtools.c: no editmode (violated already :), mirror & join),
- * tools operating on meshes
- */
-
-#include "MEM_guardedalloc.h"
-
-#include "DNA_key_types.h"
-#include "DNA_material_types.h"
-#include "DNA_mesh_types.h"
-#include "DNA_meshdata_types.h"
-#include "DNA_modifier_types.h"
-#include "DNA_object_types.h"
-#include "DNA_scene_types.h"
-#include "DNA_screen_types.h"
-#include "DNA_view3d_types.h"
-#include "DNA_workspace_types.h"
-
-#include "BLI_blenlib.h"
-#include "BLI_math.h"
-
-#include "BKE_context.h"
-#include "BKE_customdata.h"
-#include "BKE_deform.h"
-#include "BKE_editmesh.h"
-#include "BKE_key.h"
-#include "BKE_layer.h"
-#include "BKE_lib_id.h"
-#include "BKE_main.h"
-#include "BKE_material.h"
-#include "BKE_mesh.h"
-#include "BKE_mesh_iterators.h"
-#include "BKE_mesh_runtime.h"
-#include "BKE_multires.h"
-#include "BKE_object.h"
-#include "BKE_object_deform.h"
-#include "BKE_object_facemap.h"
-#include "BKE_report.h"
-
-#include "DEG_depsgraph.h"
-#include "DEG_depsgraph_build.h"
-#include "DEG_depsgraph_query.h"
-
-#include "DRW_select_buffer.h"
-
-#include "ED_mesh.h"
-#include "ED_object.h"
-#include "ED_view3d.h"
-
-#include "WM_api.h"
-#include "WM_types.h"
-
-/* * ********************** no editmode!!! *********** */
-
-/*********************** JOIN ***************************/
-
-/* join selected meshes into the active mesh, context sensitive
- * return 0 if no join is made (error) and 1 if the join is done */
-
-static void join_mesh_single(Depsgraph *depsgraph,
-                             Main *bmain,
-                             Scene *scene,
-                             Object *ob_dst,
-                             Object *ob_src,
-                             const float imat[4][4],
-                             MVert **mvert_pp,
-                             MEdge **medge_pp,
-                             MLoop **mloop_pp,
-                             MPoly **mpoly_pp,
-                             CustomData *vdata,
-                             CustomData *edata,
-                             CustomData *ldata,
-                             CustomData *pdata,
-                             int totvert,
-                             int totedge,
-                             int totloop,
-                             int totpoly,
-                             Key *key,
-                             Key *nkey,
-                             Material **matar,
-                             int *matmap,
-                             int totcol,
-                             int *vertofs,
-                             int *edgeofs,
-                             int *loopofs,
-                             int *polyofs)
-{
-  int a, b;
-
-  Mesh *me = ob_src->data;
-  MVert *mvert = *mvert_pp;
-  MEdge *medge = *medge_pp;
-  MLoop *mloop = *mloop_pp;
-  MPoly *mpoly = *mpoly_pp;
-
-  if (me->totvert) {
-    /* merge customdata flag */
-    ((Mesh *)ob_dst->data)->cd_flag |= me->cd_flag;
-
-    /* standard data */
-    CustomData_merge(&me->vdata, vdata, CD_MASK_MESH.vmask, CD_DEFAULT, totvert);
-    CustomData_copy_data_named(&me->vdata, vdata, 0, *vertofs, me->totvert);
-
-    /* vertex groups */
-    MDeformVert *dvert = CustomData_get(vdata, *vertofs, CD_MDEFORMVERT);
-    const MDeformVert *dvert_src = CustomData_get(&me->vdata, 0, CD_MDEFORMVERT);
-
-    /* Remap to correct new vgroup indices, if needed. */
-    if (dvert_src) {
-      BLI_assert(dvert != NULL);
-
-      /* Build src to merged mapping of vgroup indices. */
-      int *vgroup_index_map;
-      int vgroup_index_map_len;
-      vgroup_index_map = BKE_object_defgroup_index_map_create(
-          ob_src, ob_dst, &vgroup_index_map_len);
-      BKE_object_defgroup_index_map_apply(
-          dvert, me->totvert, vgroup_index_map, vgroup_index_map_len);
-      if (vgroup_index_map != NULL) {
-        MEM_freeN(vgroup_index_map);
-      }
-    }
-
-    /* if this is the object we're merging into, no need to do anything */
-    if (ob_src != ob_dst) {
-      float cmat[4][4];
-
-      /* Watch this: switch matrix multiplication order really goes wrong. */
-      mul_m4_m4m4(cmat, imat, ob_src->obmat);
-
-      /* transform vertex coordinates into new space */
-      for (a = 0; a < me->totvert; a++, mvert++) {
-        mul_m4_v3(cmat, mvert->co);
-      }
-
-      /* For each shape-key in destination mesh:
-       * - if there's a matching one, copy it across
-       *   (will need to transform vertices into new space...).
-       * - otherwise, just copy own coordinates of mesh
-       *   (no need to transform vertex coordinates into new space).
-       */
-      if (key) {
-        /* if this mesh has any shape-keys, check first, otherwise just copy coordinates */
-        LISTBASE_FOREACH (KeyBlock *, kb, &key->block) {
-          /* get pointer to where to write data for this mesh in shape-key's data array */
-          float(*cos)[3] = ((float(*)[3])kb->data) + *vertofs;
-
-          /* Check if this mesh has such a shape-key. */
-          KeyBlock *okb = me->key ? BKE_keyblock_find_name(me->key, kb->name) : NULL;
-          if (okb) {
-            /* copy this mesh's shape-key to the destination shape-key
-             * (need to transform first) */
-            float(*ocos)[3] = okb->data;
-            for (a = 0; a < me->totvert; a++, cos++, ocos++) {
-              copy_v3_v3(*cos, *ocos);
-              mul_m4_v3(cmat, *cos);
-            }
-          }
-          else {
-            /* Copy this mesh's vertex coordinates to the destination shape-key. */
-            for (a = 0, mvert = *mvert_pp; a < me->totvert; a++, cos++, mvert++) {
-              copy_v3_v3(*cos, mvert->co);
-            }
-          }
-        }
-      }
-    }
-    else {
-      /* for each shape-key in destination mesh:
-       * - if it was an 'original', copy the appropriate data from nkey
-       * - otherwise, copy across plain coordinates (no need to transform coordinates)
-       */
-      if (key) {
-        LISTBASE_FOREACH (KeyBlock *, kb, &key->block) {
-          /* get pointer to where to write data for this mesh in shape-key's data array */
-          float(*cos)[3] = ((float(*)[3])kb->data) + *vertofs;
-
-          /* Check if this was one of the original shape-keys. */
-          KeyBlock *okb = nkey ? BKE_keyblock_find_name(nkey, kb->name) : NULL;
-          if (okb) {
-            /* copy this mesh's shape-key to the destination shape-key */
-            float(*ocos)[3] = okb->data;
-            for (a = 0; a < me->totvert; a++, cos++, ocos++) {
-              copy_v3_v3(*cos, *ocos);
-            }
-          }
-          else {
-            /* Copy base-coordinates to the destination shape-key. */
-            for (a = 0, mvert = *mvert_pp; a < me->totvert; a++, cos++, mvert++) {
-              copy_v3_v3(*cos, mvert->co);
-            }
-          }
-        }
-      }
-    }
-  }
-
-  if (me->totedge) {
-    CustomData_merge(&me->edata, edata, CD_MASK_MESH.emask, CD_DEFAULT, totedge);
-    CustomData_copy_data_named(&me->edata, edata, 0, *edgeofs, me->totedge);
-
-    for (a = 0; a < me->totedge; a++, medge++) {
-      medge->v1 += *vertofs;
-      medge->v2 += *vertofs;
-    }
-  }
-
-  if (me->totloop) {
-    if (ob_src != ob_dst) {
-      MultiresModifierData *mmd;
-
-      multiresModifier_prepare_join(depsgraph, scene, ob_src, ob_dst);
-
-      if ((mmd = get_multires_modifier(scene, ob_src, true))) {
-        ED_object_iter_other(
-            bmain, ob_src, true, ED_object_multires_update_totlevels_cb, &mmd->totlvl);
-      }
-    }
-
-    CustomData_merge(&me->ldata, ldata, CD_MASK_MESH.lmask, CD_DEFAULT, totloop);
-    CustomData_copy_data_named(&me->ldata, ldata, 0, *loopofs, me->totloop);
-
-    for (a = 0; a < me->totloop; a++, mloop++) {
-      mloop->v += *vertofs;
-      mloop->e += *edgeofs;
-    }
-  }
-
-  if (me->totpoly) {
-    if (matmap) {
-      /* make mapping for materials */
-      for (a = 1; a <= ob_src->totcol; a++) {
-        Material *ma = BKE_object_material_get(ob_src, a);
-
-        for (b = 0; b < totcol; b++) {
-          if (ma == matar[b]) {
-            matmap[a - 1] = b;
-            break;
-          }
-        }
-      }
-    }
-
-    CustomData_merge(&me->pdata, pdata, CD_MASK_MESH.pmask, CD_DEFAULT, totpoly);
-    CustomData_copy_data_named(&me->pdata, pdata, 0, *polyofs, me->totpoly);
-
-    for (a = 0; a < me->totpoly; a++, mpoly++) {
-      mpoly->loopstart += *loopofs;
-      mpoly->mat_nr = matmap ? matmap[mpoly->mat_nr] : 0;
-    }
-
-    /* Face maps. */
-    int *fmap = CustomData_get(pdata, *polyofs, CD_FACEMAP);
-    const int *fmap_src = CustomData_get(&me->pdata, 0, CD_FACEMAP);
-
-    /* Remap to correct new face-map indices, if needed. */
-    if (fmap_src) {
-      BLI_assert(fmap != NULL);
-      int *fmap_index_map;
-      int fmap_index_map_len;
-      fmap_index_map = BKE_object_facemap_index_map_create(ob_src, ob_dst, &fmap_index_map_len);
-      BKE_object_facemap_index_map_apply(fmap, me->totpoly, fmap_index_map, fmap_index_map_len);
-      if (fmap_index_map != NULL) {
-        MEM_freeN(fmap_index_map);
-      }
-    }
-  }
-
-  /* these are used for relinking (cannot be set earlier, or else reattaching goes wrong) */
-  *vertofs += me->totvert;
-  *mvert_pp += me->totvert;
-  *edgeofs += me->totedge;
-  *medge_pp += me->totedge;
-  *loopofs += me->totloop;
-  *mloop_pp += me->totloop;
-  *polyofs += me->totpoly;
-  *mpoly_pp += me->totpoly;
-}
-
-/* Face Sets IDs are a sparse sequence, so this function offsets all the IDs by face_set_offset and
- * updates face_set_offset with the maximum ID value. This way, when used in multiple meshes, all
- * of them will have different IDs for their Face Sets. */
-static void mesh_join_offset_face_sets_ID(const Mesh *mesh, int *face_set_offset)
-{
-  if (!mesh->totpoly) {
-    return;
-  }
-
-  int *face_sets = CustomData_get_layer(&mesh->pdata, CD_SCULPT_FACE_SETS);
-  if (!face_sets) {
-    return;
-  }
-
-  int max_face_set = 0;
-  for (int f = 0; f < mesh->totpoly; f++) {
-    /* As face sets encode the visibility in the integer sign, the offset needs to be added or
-     * subtracted depending on the initial sign of the integer to get the new ID. */
-    if (abs(face_sets[f]) <= *face_set_offset) {
-      if (face_sets[f] > 0) {
-        face_sets[f] += *face_set_offset;
-      }
-      else {
-        face_sets[f] -= *face_set_offset;
-      }
-    }
-    max_face_set = max_ii(max_face_set, abs(face_sets[f]));
-  }
-  *face_set_offset = max_face_set;
-}
-
-int ED_mesh_join_objects_exec(bContext *C, wmOperator *op)
-{
-  Main *bmain = CTX_data_main(C);
-  Scene *scene = CTX_data_scene(C);
-  Object *ob = CTX_data_active_object(C);
-  Material **matar = NULL, *ma;
-  Mesh *me;
-  MVert *mvert = NULL;
-  MEdge *medge = NULL;
-  MPoly *mpoly = NULL;
-  MLoop *mloop = NULL;
-  Key *key, *nkey = NULL;
-  KeyBlock *kb, *kbn;
-  float imat[4][4];
-  int a, b, totcol, totmat = 0, totedge = 0, totvert = 0;
-  int totloop = 0, totpoly = 0, vertofs, *matmap = NULL;
-  int i, haskey = 0, edgeofs, loopofs, polyofs;
-  bool ok = false, join_parent = false;
-  bDeformGroup *dg, *odg;
-  CustomData vdata, edata, fdata, ldata, pdata;
-
-  if (ob->mode & OB_MODE_EDIT) {
-    BKE_report(op->reports, RPT_WARNING, "Cannot join while in edit mode");
-    return OPERATOR_CANCELLED;
-  }
-
-  /* ob is the object we are adding geometry to */
-  if (!ob || ob->type != OB_MESH) {
-    BKE_report(op->reports, RPT_WARNING, "Active object is not a mesh");
-    return OPERATOR_CANCELLED;
-  }
-
-  Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C);
-
-  /* count & check */
-  CTX_DATA_BEGIN (C, Object *, ob_iter, selected_editable_objects) {
-    if (ob_iter->type == OB_MESH) {
-      me = ob_iter->data;
-
-      totvert += me->totvert;
-      totedge += me->totedge;
-      totloop += me->totloop;
-      totpoly += me->totpoly;
-      totmat += ob_iter->totcol;
-
-      if (ob_iter == ob) {
-        ok = true;
-      }
-
-      if ((ob->parent != NULL) && (ob_iter == ob->parent)) {
-        join_parent = true;
-      }
-
-      /* Check for shape-keys. */
-      if (me->key) {
-        haskey++;
-      }
-    }
-  }
-  CTX_DATA_END;
-
-  /* Apply parent transform if the active object's parent was joined to it.
-   * NOTE: This doesn't apply recursive parenting. */
-  if (join_parent) {
-    ob->parent = NULL;
-    BKE_object_apply_mat4_ex(ob, ob->obmat, ob->parent, ob->parentinv, false);
-  }
-
-  /* that way the active object is always selected */
-  if (ok == false) {
-    BKE_report(op->reports, RPT_WARNING, "Active object is not a selected mesh");
-    return OPERATOR_CANCELLED;
-  }
-
-  /* Only join meshes if there are verts to join,
-   * there aren't too many, and we only had one mesh selected. */
-  me = (Mesh *)ob->data;
-  key = me->key;
-
-  if (ELEM(totvert, 0, me->totvert)) {
-    BKE_report(op->reports, RPT_WARNING, "No mesh data to join");
-    return OPERATOR_CANCELLED;
-  }
-
-  if (totvert > MESH_MAX_VERTS) {
-    BKE_reportf(op->reports,
-                RPT_WARNING,
-                "Joining results in %d vertices, limit is %ld",
-                totvert,
-                MESH_MAX_VERTS);
-    return OPERATOR_CANCELLED;
-  }
-
-  /* remove tessface to ensure we don't hold references to invalid faces */
-  BKE_mesh_tessface_clear(me);
-
-  /* Clear any run-time data.
-   * Even though this mesh wont typically have run-time data, the Python API can for e.g.
-   * create loop-triangle cache here, which is confusing when left in the mesh, see: T90798. */
-  BKE_mesh_runtime_clear_geometry(me);
-  BKE_mesh_clear_derived_normals(me);
-
-  /* new material indices and material array */
-  if (totmat) {
-    matar = MEM_callocN(sizeof(*matar) * totmat, "join_mesh matar");
-    matmap = MEM_callocN(sizeof(*matmap) * totmat, "join_mesh matmap");
-  }
-  totcol = ob->totcol;
-
-  /* obact materials in new main array, is nicer start! */
-  for (a = 0; a < ob->totcol; a++) {
-    matar[a] = BKE_object_material_get(ob, a + 1);
-    id_us_plus((ID *)matar[a]);
-    /* increase id->us : will be lowered later */
-  }
-
-  /* - If destination mesh had shape-keys, move them somewhere safe, and set up placeholders
-   *   with arrays that are large enough to hold shape-key data for all meshes.
-   * - If destination mesh didn't have shape-keys, but we encountered some in the meshes we're
-   *   joining, set up a new key-block and assign to the mesh.
-   */
-  if (key) {
-    /* make a duplicate copy that will only be used here... (must remember to free it!) */
-    nkey = (Key *)BKE_id_copy(bmain, &key->id);
-
-    /* for all keys in old block, clear data-arrays */
-    for (kb = key->block.first; kb; kb = kb->next) {
-      if (kb->data) {
-        MEM_freeN(kb->data);
-      }
-      kb->data = MEM_callocN(sizeof(float[3]) * totvert, "join_shapekey");
-      kb->totelem = totvert;
-    }
-  }
-  else if (haskey) {
-    /* add a new key-block and add to the mesh */
-    key = me->key = BKE_key_add(bmain, (ID *)me);
-    key->type = KEY_RELATIVE;
-  }
-
-  /* Update face_set_id_offset with the face set data in the active object first. This way the Face
-   * Sets IDs in the active object are not the ones that are modified. */
-  Mesh *mesh_active = BKE_mesh_from_object(ob);
-  int face_set_id_offset = 0;
-  mesh_join_offset_face_sets_ID(mesh_active, &face_set_id_offset);
-
-  /* Copy materials, vertex-groups, face sets & face-maps across objects. */
-  CTX_DATA_BEGIN (C, Object *, ob_iter, selected_editable_objects) {
-    /* only act if a mesh, and not the one we're joining to */
-    if ((ob != ob_iter) && (ob_iter->type == OB_MESH)) {
-      me = ob_iter->data;
-
-      /* Join this object's vertex groups to the base one's */
-      for (dg = me->vertex_group_names.first; dg; dg = dg->next) {
-        /* See if this group exists in the object (if it doesn't, add it to the end) */
-        if (!BKE_object_defgroup_find_name(ob, dg->name)) {
-          odg = MEM_mallocN(sizeof(bDeformGroup), "join deformGroup");
-          memcpy(odg, dg, sizeof(bDeformGroup));
-          BLI_addtail(&mesh_active->vertex_group_names, odg);
-        }
-      }
-      if (!BLI_listbase_is_empty(&mesh_active->vertex_group_names) &&
-          me->vertex_group_active_index == 0) {
-        me->vertex_group_active_index = 1;
-      }
-
-      /* Join this object's face maps to the base one's. */
-      LISTBASE_FOREACH (bFaceMap *, fmap, &ob_iter->fmaps) {
-        /* See if this group exists in the object (if it doesn't, add it to the end) */
-        if (BKE_object_facemap_find_name(ob, fmap->name) == NULL) {
-          bFaceMap *fmap_new = MEM_mallocN(sizeof(bFaceMap), "join faceMap");
-          memcpy(fmap_new, fmap, sizeof(bFaceMap));
-          BLI_addtail(&ob->fmaps, fmap_new);
-        }
-      }
-      if (ob->fmaps.first && ob->actfmap == 0) {
-        ob->actfmap = 1;
-      }
-
-      mesh_join_offset_face_sets_ID(me, &face_set_id_offset);
-
-      if (me->totvert) {
-        /* Add this object's materials to the base one's if they don't exist already
-         * (but only if limits not exceeded yet) */
-        if (totcol < MAXMAT) {
-          for (a = 1; a <= ob_iter->totcol; a++) {
-            ma = BKE_object_material_get(ob_iter, a);
-
-            for (b = 0; b < totcol; b++) {
-              if (ma == matar[b]) {
-                break;
-              }
-            }
-            if (b == totcol) {
-              matar[b] = ma;
-              if (ma) {
-                id_us_plus(&ma->id);
-              }
-              totcol++;
-            }
-            if (totcol >= MAXMAT) {
-              break;
-            }
-          }
-        }
-
-        /* If this mesh has shape-keys,
-         * check if destination mesh already has matching entries too. */
-        if (me->key && key) {
-          /* for remapping KeyBlock.relative */
-          int *index_map = MEM_mallocN(sizeof(int) * me->key->totkey, __func__);
-          KeyBlock **kb_map = MEM_mallocN(sizeof(KeyBlock *) * me->key->totkey, __func__);
-
-          for (kb = me->key->block.first, i = 0; kb; kb = kb->next, i++) {
-            BLI_assert(i < me->key->totkey);
-
-            kbn = BKE_keyblock_find_name(key, kb->name);
-            /* if key doesn't exist in destination mesh, add it */
-            if (kbn) {
-              index_map[i] = BLI_findindex(&key->block, kbn);
-            }
-            else {
-              index_map[i] = key->totkey;
-
-              kbn = BKE_keyblock_add(key, kb->name);
-
-              BKE_keyblock_copy_settings(kbn, kb);
-
-              /* adjust settings to fit (allocate a new data-array) */
-              kbn->data = MEM_callocN(sizeof(float[3]) * totvert, "joined_shapekey");
-              kbn->totelem = totvert;
-            }
-
-            kb_map[i] = kbn;
-          }
-
-          /* remap relative index values */
-          for (kb = me->key->block.first, i = 0; kb; kb = kb->next, i++) {
-            /* sanity check, should always be true */
-            if (LIKELY(kb->relative < me->key->totkey)) {
-              kb_map[i]->relative = index_map[kb->relative];
-            }
-          }
-
-          MEM_freeN(index_map);
-          MEM_freeN(kb_map);
-        }
-      }
-    }
-  }
-  CTX_DATA_END;
-
-  /* setup new data for destination mesh */
-  CustomData_reset(&vdata);
-  CustomData_reset(&edata);
-  CustomData_reset(&fdata);
-  CustomData_reset(&ldata);
-  CustomData_reset(&pdata);
-
-  mvert = CustomData_add_layer(&vdata, CD_MVERT, CD_CALLOC, NULL, totvert);
-  medge = CustomData_add_layer(&edata, CD_MEDGE, CD_CALLOC, NULL, totedge);
-  mloop = CustomData_add_layer(&ldata, CD_MLOOP, CD_CALLOC, NULL, totloop);
-  mpoly = CustomData_add_layer(&pdata, CD_MPOLY, CD_CALLOC, NULL, totpoly);
-
-  vertofs = 0;
-  edgeofs = 0;
-  loopofs = 0;
-  polyofs = 0;
-
-  /* Inverse transform for all selected meshes in this object,
-   * See #object_join_exec for detailed comment on why the safe version is used. */
-  invert_m4_m4_safe_ortho(imat, ob->obmat);
-
-  /* Add back active mesh first.
-   * This allows to keep things similar as they were, as much as possible
-   * (i.e. data from active mesh will remain first ones in new result of the merge,
-   * in same order for CD layers, etc). See also T50084.
-   */
-  join_mesh_single(depsgraph,
-                   bmain,
-                   scene,
-                   ob,
-                   ob,
-                   imat,
-                   &mvert,
-                   &medge,
-                   &mloop,
-                   &mpoly,
-                   &vdata,
-                   &edata,
-                   &ldata,
-                   &pdata,
-                   totvert,
-                   totedge,
-                   totloop,
-                   totpoly,
-                   key,
-                   nkey,
-                   matar,
-                   matmap,
-                   totcol,
-                   &vertofs,
-                   &edgeofs,
-                   &loopofs,
-                   &polyofs);
-
-  CTX_DATA_BEGIN (C, Object *, ob_iter, selected_editable_objects) {
-    if (ob_iter == ob) {
-      continue;
-    }
-    /* only join if this is a mesh */
-    if (ob_iter->type == OB_MESH) {
-      join_mesh_single(depsgraph,
-                       bmain,
-                       scene,
-                       ob,
-                       ob_iter,
-                       imat,
-                       &mvert,
-                       &medge,
-                       &mloop,
-                       &mpoly,
-                       &vdata,
-                       &edata,
-                       &ldata,
-                       &pdata,
-                       totvert,
-                       totedge,
-                       totloop,
-                       totpoly,
-                       key,
-                       nkey,
-                       matar,
-                       matmap,
-                       totcol,
-                       &vertofs,
-                       &edgeofs,
-                       &loopofs,
-                       &polyofs);
-
-      /* free base, now that data is merged */
-      if (ob_iter != ob) {
-        ED_object_base_free_and_unlink(bmain, scene, ob_iter);
-      }
-    }
-  }
-  CTX_DATA_END;
-
-  /* return to mesh we're merging to */
-  me = ob->data;
-
-  CustomData_free(&me->vdata, me->totvert);
-  CustomData_free(&me->edata, me->totedge);
-  CustomData_free(&me->ldata, me->totloop);
-  CustomData_free(&me->pdata, me->totpoly);
-
-  me->totvert = totvert;
-  me->totedge = totedge;
-  me->totloop = totloop;
-  me->totpoly = totpoly;
-
-  me->vdata = vdata;
-  me->edata = edata;
-  me->ldata = ldata;
-  me->pdata = pdata;
-
-  /* tessface data removed above, no need to update */
-  BKE_mesh_update_customdata_pointers(me, false);
-
-  /* Tag normals dirty because vertex positions could be changed from the original. */
-  BKE_mesh_normals_tag_dirty(me);
-
-  /* old material array */
-  for (a = 1; a <= ob->totcol; a++) {
-    ma = ob->mat[a - 1];
-    if (ma) {
-      id_us_min(&ma->id);
-    }
-  }
-  for (a = 1; a <= me->totcol; a++) {
-    ma = me->mat[a - 1];
-    if (ma) {
-      id_us_min(&ma->id);
-    }
-  }
-  MEM_SAFE_FREE(ob->mat);
-  MEM_SAFE_FREE(ob->matbits);
-  MEM_SAFE_FREE(me->mat);
-
-  if (totcol) {
-    me->mat = matar;
-    ob->mat = MEM_callocN(sizeof(*ob->mat) * totcol, "join obmatar");
-    ob->matbits = MEM_callocN(sizeof(*ob->matbits) * totcol, "join obmatbits");
-    MEM_freeN(matmap);
-  }
-
-  ob->totcol = me->totcol = totcol;
-
-  /* other mesh users */
-  BKE_objects_materials_test_all(bmain, (ID *)me);
-
-  /* Free temporary copy of destination shape-keys (if applicable). */
-  if (nkey) {
-    /* We can assume nobody is using that ID currently. */
-    BKE_id_free_ex(bmain, nkey, LIB_ID_FREE_NO_UI_USER, false);
-  }
-
-  /* ensure newly inserted keys are time sorted */
-  if (key && (key->type != KEY_RELATIVE)) {
-    BKE_key_sort(key);
-  }
-
-  /* Due to dependency cycle some other object might access old derived data. */
-  BKE_object_free_derived_caches(ob);
-
-  DEG_relations_tag_update(bmain); /* removed objects, need to rebuild dag */
-
-  DEG_id_tag_update(&ob->id, ID_RECALC_TRANSFORM | ID_RECALC_GEOMETRY);
-
-  DEG_id_tag_update(&scene->id, ID_RECALC_SELECT);
-  WM_event_add_notifier(C, NC_SCENE | ND_OB_ACTIVE, scene);
-  WM_event_add_notifier(C, NC_SCENE | ND_LAYER_CONTENT, scene);
-
-  return OPERATOR_FINISHED;
-}
-
-/* -------------------------------------------------------------------- */
-/** \name Join as Shapes
- *
- * Append selected meshes vertex locations as shapes of the active mesh.
- * \{ */
-
-int ED_mesh_shapes_join_objects_exec(bContext *C, wmOperator *op)
-{
-  Main *bmain = CTX_data_main(C);
-  Scene *scene = CTX_data_scene(C);
-  Object *ob_active = CTX_data_active_object(C);
-  Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C);
-  Mesh *me = (Mesh *)ob_active->data;
-  Mesh *selme = NULL;
-  Mesh *me_deformed = NULL;
-  Key *key = me->key;
-  KeyBlock *kb;
-  bool ok = false, nonequal_verts = false;
-
-  CTX_DATA_BEGIN (C, Object *, ob_iter, selected_editable_objects) {
-    if (ob_iter == ob_active) {
-      continue;
-    }
-
-    if (ob_iter->type == OB_MESH) {
-      selme = (Mesh *)ob_iter->data;
-
-      if (selme->totvert == me->totvert) {
-        ok = true;
-      }
-      else {
-        nonequal_verts = 1;
-      }
-    }
-  }
-  CTX_DATA_END;
-
-  if (!ok) {
-    if (nonequal_verts) {
-      BKE_report(op->reports, RPT_WARNING, "Selected meshes must have equal numbers of vertices");
-    }
-    else {
-      BKE_report(op->reports,
-                 RPT_WARNING,
-                 "No additional selected meshes with equal vertex count to join");
-    }
-    return OPERATOR_CANCELLED;
-  }
-
-  if (key == NULL) {
-    key = me->key = BKE_key_add(bmain, (ID *)me);
-    key->type = KEY_RELATIVE;
-
-    /* first key added, so it was the basis. initialize it with the existing mesh */
-    kb = BKE_keyblock_add(key, NULL);
-    BKE_keyblock_convert_from_mesh(me, key, kb);
-  }
-
-  /* now ready to add new keys from selected meshes */
-  CTX_DATA_BEGIN (C, Object *, ob_iter, selected_editable_objects) {
-    if (ob_iter == ob_active) {
-      continue;
-    }
-
-    if (ob_iter->type == OB_MESH) {
-      selme = (Mesh *)ob_iter->data;
-
-      if (selme->totvert == me->totvert) {
-        Scene *scene_eval = DEG_get_evaluated_scene(depsgraph);
-        Object *ob_eval = DEG_get_evaluated_object(depsgraph, ob_iter);
-
-        me_deformed = mesh_get_eval_deform(depsgraph, scene_eval, ob_eval, &CD_MASK_BAREMESH);
-
-        if (!me_deformed) {
-          continue;
-        }
-
-        kb = BKE_keyblock_add(key, ob_iter->id.name + 2);
-
-        BKE_mesh_runtime_eval_to_meshkey(me_deformed, me, kb);
-      }
-    }
-  }
-  CTX_DATA_END;
-
-  DEG_id_tag_update(&scene->id, ID_RECALC_SELECT);
-  WM_event_add_notifier(C, NC_SCENE | ND_OB_ACTIVE, scene);
-
-  return OPERATOR_FINISHED;
-}
-
-/** \} */
-
-/* -------------------------------------------------------------------- */
-/** \name Mesh Topology Mirror API
- * \{ */
-
-static MirrTopoStore_t mesh_topo_store = {NULL, -1. - 1, -1};
-
-BLI_INLINE void mesh_mirror_topo_table_get_meshes(Object *ob,
-                                                  Mesh *me_eval,
-                                                  Mesh **r_me_mirror,
-                                                  BMEditMesh **r_em_mirror)
-{
-  Mesh *me_mirror = NULL;
-  BMEditMesh *em_mirror = NULL;
-
-  Mesh *me = ob->data;
-  if (me_eval != NULL) {
-    me_mirror = me_eval;
-  }
-  else if (me->edit_mesh != NULL) {
-    em_mirror = me->edit_mesh;
-  }
-  else {
-    me_mirror = me;
-  }
-
-  *r_me_mirror = me_mirror;
-  *r_em_mirror = em_mirror;
-}
-
-void ED_mesh_mirror_topo_table_begin(Object *ob, Mesh *me_eval)
-{
-  Mesh *me_mirror;
-  BMEditMesh *em_mirror;
-  mesh_mirror_topo_table_get_meshes(ob, me_eval, &me_mirror, &em_mirror);
-
-  ED_mesh_mirrtopo_init(em_mirror, me_mirror, &mesh_topo_store, false);
-}
-
-void ED_mesh_mirror_topo_table_end(Object *UNUSED(ob))
-{
-  /* TODO: store this in object/object-data (keep unused argument for now). */
-  ED_mesh_mirrtopo_free(&mesh_topo_store);
-}
-
-/* Returns true on success. */
-static bool ed_mesh_mirror_topo_table_update(Object *ob, Mesh *me_eval)
-{
-  Mesh *me_mirror;
-  BMEditMesh *em_mirror;
-  mesh_mirror_topo_table_get_meshes(ob, me_eval, &me_mirror, &em_mirror);
-
-  if (ED_mesh_mirrtopo_recalc_check(em_mirror, me_mirror, &mesh_topo_store)) {
-    ED_mesh_mirror_topo_table_begin(ob, me_eval);
-  }
-  return true;
-}
-
-/** \} */
-
-static int mesh_get_x_mirror_vert_spatial(Object *ob, Mesh *me_eval, int index)
-{
-  Mesh *me = ob->data;
-  MVert *mvert = me_eval ? me_eval->mvert : me->mvert;
-  float vec[3];
-
-  mvert = &mvert[index];
-  vec[0] = -mvert->co[0];
-  vec[1] = mvert->co[1];
-  vec[2] = mvert->co[2];
-
-  return ED_mesh_mirror_spatial_table_lookup(ob, NULL, me_eval, vec);
-}
-
-static int mesh_get_x_mirror_vert_topo(Object *ob, Mesh *mesh, int index)
-{
-  if (!ed_mesh_mirror_topo_table_update(ob, mesh)) {
-    return -1;
-  }
-
-  return mesh_topo_store.index_lookup[index];
-}
-
-int mesh_get_x_mirror_vert(Object *ob, Mesh *me_eval, int index, const bool use_topology)
-{
-  if (use_topology) {
-    return mesh_get_x_mirror_vert_topo(ob, me_eval, index);
-  }
-  return mesh_get_x_mirror_vert_spatial(ob, me_eval, index);
-}
-
-static BMVert *editbmesh_get_x_mirror_vert_spatial(Object *ob, BMEditMesh *em, const float co[3])
-{
-  float vec[3];
-  int i;
-
-  /* ignore nan verts */
-  if ((isfinite(co[0]) == false) || (isfinite(co[1]) == false) || (isfinite(co[2]) == false)) {
-    return NULL;
-  }
-
-  vec[0] = -co[0];
-  vec[1] = co[1];
-  vec[2] = co[2];
-
-  i = ED_mesh_mirror_spatial_table_lookup(ob, em, NULL, vec);
-  if (i != -1) {
-    return BM_vert_at_index(em->bm, i);
-  }
-  return NULL;
-}
-
-static BMVert *editbmesh_get_x_mirror_vert_topo(Object *ob,
-                                                struct BMEditMesh *em,
-                                                BMVert *eve,
-                                                int index)
-{
-  intptr_t poinval;
-  if (!ed_mesh_mirror_topo_table_update(ob, NULL)) {
-    return NULL;
-  }
-
-  if (index == -1) {
-    BMIter iter;
-    BMVert *v;
-
-    index = 0;
-    BM_ITER_MESH (v, &iter, em->bm, BM_VERTS_OF_MESH) {
-      if (v == eve) {
-        break;
-      }
-      index++;
-    }
-
-    if (index == em->bm->totvert) {
-      return NULL;
-    }
-  }
-
-  poinval = mesh_topo_store.index_lookup[index];
-
-  if (poinval != -1) {
-    return (BMVert *)(poinval);
-  }
-  return NULL;
-}
-
-BMVert *editbmesh_get_x_mirror_vert(Object *ob,
-                                    struct BMEditMesh *em,
-                                    BMVert *eve,
-                                    const float co[3],
-                                    int index,
-                                    const bool use_topology)
-{
-  if (use_topology) {
-    return editbmesh_get_x_mirror_vert_topo(ob, em, eve, index);
-  }
-  return editbmesh_get_x_mirror_vert_spatial(ob, em, co);
-}
-
-int ED_mesh_mirror_get_vert(Object *ob, int index)
-{
-  Mesh *me = ob->data;
-  BMEditMesh *em = me->edit_mesh;
-  bool use_topology = (me->editflag & ME_EDIT_MIRROR_TOPO) != 0;
-  int index_mirr;
-
-  if (em) {
-    BMVert *eve, *eve_mirr;
-    eve = BM_vert_at_index(em->bm, index);
-    eve_mirr = editbmesh_get_x_mirror_vert(ob, em, eve, eve->co, index, use_topology);
-    index_mirr = eve_mirr ? BM_elem_index_get(eve_mirr) : -1;
-  }
-  else {
-    index_mirr = mesh_get_x_mirror_vert(ob, NULL, index, use_topology);
-  }
-
-  return index_mirr;
-}
-
-#if 0
-
-static float *editmesh_get_mirror_uv(
-    BMEditMesh *em, int axis, float *uv, float *mirrCent, float *face_cent)
-{
-  float vec[2];
-  float cent_vec[2];
-  float cent[2];
-
-  /* ignore nan verts */
-  if (isnan(uv[0]) || !isfinite(uv[0]) || isnan(uv[1]) || !isfinite(uv[1])) {
-    return NULL;
-  }
-
-  if (axis) {
-    vec[0] = uv[0];
-    vec[1] = -((uv[1]) - mirrCent[1]) + mirrCent[1];
-
-    cent_vec[0] = face_cent[0];
-    cent_vec[1] = -((face_cent[1]) - mirrCent[1]) + mirrCent[1];
-  }
-  else {
-    vec[0] = -((uv[0]) - mirrCent[0]) + mirrCent[0];
-    vec[1] = uv[1];
-
-    cent_vec[0] = -((face_cent[0]) - mirrCent[0]) + mirrCent[0];
-    cent_vec[1] = face_cent[1];
-  }
-
-  /* TODO: Optimize. */
-  {
-    BMIter iter;
-    BMFace *efa;
-
-    BM_ITER_MESH (efa, &iter, em->bm, BM_FACES_OF_MESH) {
-      BM_face_uv_calc_center_median(efa, cd_loop_uv_offset, cent);
-
-      if ((fabsf(cent[0] - cent_vec[0]) < 0.001f) && (fabsf(cent[1] - cent_vec[1]) < 0.001f)) {
-        BMIter liter;
-        BMLoop *l;
-
-        BM_ITER_ELEM (l, &liter, efa, BM_LOOPS_OF_FACE) {
-          MLoopUV *luv = CustomData_bmesh_get(&em->bm->ldata, l->head.data, CD_MLOOPUV);
-          if ((fabsf(luv->uv[0] - vec[0]) < 0.001f) && (fabsf(luv->uv[1] - vec[1]) < 0.001f)) {
-            return luv->uv;
-          }
-        }
-      }
-    }
-  }
-
-  return NULL;
-}
-
-#endif
-
-static uint mirror_facehash(const void *ptr)
-{
-  const MFace *mf = ptr;
-  uint v0, v1;
-
-  if (mf->v4) {
-    v0 = MIN4(mf->v1, mf->v2, mf->v3, mf->v4);
-    v1 = MAX4(mf->v1, mf->v2, mf->v3, mf->v4);
-  }
-  else {
-    v0 = MIN3(mf->v1, mf->v2, mf->v3);
-    v1 = MAX3(mf->v1, mf->v2, mf->v3);
-  }
-
-  return ((v0 * 39) ^ (v1 * 31));
-}
-
-static int mirror_facerotation(MFace *a, MFace *b)
-{
-  if (b->v4) {
-    if (a->v1 == b->v1 && a->v2 == b->v2 && a->v3 == b->v3 && a->v4 == b->v4) {
-      return 0;
-    }
-    if (a->v4 == b->v1 && a->v1 == b->v2 && a->v2 == b->v3 && a->v3 == b->v4) {
-      return 1;
-    }
-    if (a->v3 == b->v1 && a->v4 == b->v2 && a->v1 == b->v3 && a->v2 == b->v4) {
-      return 2;
-    }
-    if (a->v2 == b->v1 && a->v3 == b->v2 && a->v4 == b->v3 && a->v1 == b->v4) {
-      return 3;
-    }
-  }
-  else {
-    if (a->v1 == b->v1 && a->v2 == b->v2 && a->v3 == b->v3) {
-      return 0;
-    }
-    if (a->v3 == b->v1 && a->v1 == b->v2 && a->v2 == b->v3) {
-      return 1;
-    }
-    if (a->v2 == b->v1 && a->v3 == b->v2 && a->v1 == b->v3) {
-      return 2;
-    }
-  }
-
-  return -1;
-}
-
-static bool mirror_facecmp(const void *a, const void *b)
-{
-  return (mirror_facerotation((MFace *)a, (MFace *)b) == -1);
-}
-
-int *mesh_get_x_mirror_faces(Object *ob, BMEditMesh *em, Mesh *me_eval)
-{
-  Mesh *me = ob->data;
-  MVert *mv, *mvert;
-  MFace mirrormf, *mf, *hashmf, *mface;
-  GHash *fhash;
-  int *mirrorverts, *mirrorfaces;
-
-  BLI_assert(em == NULL); /* Does not work otherwise, currently... */
-
-  const bool use_topology = (me->editflag & ME_EDIT_MIRROR_TOPO) != 0;
-  const int totvert = me_eval ? me_eval->totvert : me->totvert;
-  const int totface = me_eval ? me_eval->totface : me->totface;
-  int a;
-
-  mirrorverts = MEM_callocN(sizeof(int) * totvert, "MirrorVerts");
-  mirrorfaces = MEM_callocN(sizeof(int[2]) * totface, "MirrorFaces");
-
-  mvert = me_eval ? me_eval->mvert : me->mvert;
-  mface = me_eval ? me_eval->mface : me->mface;
-
-  ED_mesh_mirror_spatial_table_begin(ob, em, me_eval);
-
-  for (a = 0, mv = mvert; a < totvert; a++, mv++) {
-    mirrorverts[a] = mesh_get_x_mirror_vert(ob, me_eval, a, use_topology);
-  }
-
-  ED_mesh_mirror_spatial_table_end(ob);
-
-  fhash = BLI_ghash_new_ex(mirror_facehash, mirror_facecmp, "mirror_facehash gh", me->totface);
-  for (a = 0, mf = mface; a < totface; a++, mf++) {
-    BLI_ghash_insert(fhash, mf, mf);
-  }
-
-  for (a = 0, mf = mface; a < totface; a++, mf++) {
-    mirrormf.v1 = mirrorverts[mf->v3];
-    mirrormf.v2 = mirrorverts[mf->v2];
-    mirrormf.v3 = mirrorverts[mf->v1];
-    mirrormf.v4 = (mf->v4) ? mirrorverts[mf->v4] : 0;
-
-    /* make sure v4 is not 0 if a quad */
-    if (mf->v4 && mirrormf.v4 == 0) {
-      SWAP(uint, mirrormf.v1, mirrormf.v3);
-      SWAP(uint, mirrormf.v2, mirrormf.v4);
-    }
-
-    hashmf = BLI_ghash_lookup(fhash, &mirrormf);
-    if (hashmf) {
-      mirrorfaces[a * 2] = hashmf - mface;
-      mirrorfaces[a * 2 + 1] = mirror_facerotation(&mirrormf, hashmf);
-    }
-    else {
-      mirrorfaces[a * 2] = -1;
-    }
-  }
-
-  BLI_ghash_free(fhash, NULL, NULL);
-  MEM_freeN(mirrorverts);
-
-  return mirrorfaces;
-}
-
-/* Selection (vertex and face). */
-
-bool ED_mesh_pick_face(bContext *C, Object *ob, const int mval[2], uint dist_px, uint *r_index)
-{
-  ViewContext vc;
-  Mesh *me = ob->data;
-
-  BLI_assert(me && GS(me->id.name) == ID_ME);
-
-  if (!me || me->totpoly == 0) {
-    return false;
-  }
-
-  Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C);
-  ED_view3d_viewcontext_init(C, &vc, depsgraph);
-  ED_view3d_select_id_validate(&vc);
-
-  if (dist_px) {
-    /* sample rect to increase chances of selecting, so that when clicking
-     * on an edge in the backbuf, we can still select a face */
-    *r_index = DRW_select_buffer_find_nearest_to_point(
-        vc.depsgraph, vc.region, vc.v3d, mval, 1, me->totpoly + 1, &dist_px);
-  }
-  else {
-    /* sample only on the exact position */
-    *r_index = DRW_select_buffer_sample_point(vc.depsgraph, vc.region, vc.v3d, mval);
-  }
-
-  if ((*r_index) == 0 || (*r_index) > (uint)me->totpoly) {
-    return false;
-  }
-
-  (*r_index)--;
-
-  return true;
-}
-
-static void ed_mesh_pick_face_vert__mpoly_find(
-    /* context */
-    struct ARegion *region,
-    const float mval[2],
-    /* mesh data (evaluated) */
-    const MPoly *mp,
-    const MVert *mvert,
-    const MLoop *mloop,
-    /* return values */
-    float *r_len_best,
-    int *r_v_idx_best)
-{
-  const MLoop *ml;
-  int j = mp->totloop;
-  for (ml = &mloop[mp->loopstart]; j--; ml++) {
-    float sco[2];
-    const int v_idx = ml->v;
-    const float *co = mvert[v_idx].co;
-    if (ED_view3d_project_float_object(region, co, sco, V3D_PROJ_TEST_NOP) == V3D_PROJ_RET_OK) {
-      const float len_test = len_manhattan_v2v2(mval, sco);
-      if (len_test < *r_len_best) {
-        *r_len_best = len_test;
-        *r_v_idx_best = v_idx;
-      }
-    }
-  }
-}
-bool ED_mesh_pick_face_vert(
-    bContext *C, Object *ob, const int mval[2], uint dist_px, uint *r_index)
-{
-  Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C);
-  uint poly_index;
-  Mesh *me = ob->data;
-
-  BLI_assert(me && GS(me->id.name) == ID_ME);
-
-  if (ED_mesh_pick_face(C, ob, mval, dist_px, &poly_index)) {
-    Scene *scene_eval = DEG_get_evaluated_scene(depsgraph);
-    Object *ob_eval = DEG_get_evaluated_object(depsgraph, ob);
-    struct ARegion *region = CTX_wm_region(C);
-
-    /* derived mesh to find deformed locations */
-    Mesh *me_eval = mesh_get_eval_final(
-        depsgraph, scene_eval, ob_eval, &CD_MASK_BAREMESH_ORIGINDEX);
-
-    int v_idx_best = ORIGINDEX_NONE;
-
-    /* find the vert closest to 'mval' */
-    const float mval_f[2] = {UNPACK2(mval)};
-    float len_best = FLT_MAX;
-
-    MPoly *me_eval_mpoly;
-    MLoop *me_eval_mloop;
-    MVert *me_eval_mvert;
-    uint me_eval_mpoly_len;
-
-    me_eval_mpoly = me_eval->mpoly;
-    me_eval_mloop = me_eval->mloop;
-    me_eval_mvert = me_eval->mvert;
-
-    me_eval_mpoly_len = me_eval->totpoly;
-
-    const int *index_mp_to_orig = CustomData_get_layer(&me_eval->pdata, CD_ORIGINDEX);
-
-    /* tag all verts using this face */
-    if (index_mp_to_orig) {
-      uint i;
-
-      for (i = 0; i < me_eval_mpoly_len; i++) {
-        if (index_mp_to_orig[i] == poly_index) {
-          ed_mesh_pick_face_vert__mpoly_find(region,
-                                             mval_f,
-                                             &me_eval_mpoly[i],
-                                             me_eval_mvert,
-                                             me_eval_mloop,
-                                             &len_best,
-                                             &v_idx_best);
-        }
-      }
-    }
-    else {
-      if (poly_index < me_eval_mpoly_len) {
-        ed_mesh_pick_face_vert__mpoly_find(region,
-                                           mval_f,
-                                           &me_eval_mpoly[poly_index],
-                                           me_eval_mvert,
-                                           me_eval_mloop,
-                                           &len_best,
-                                           &v_idx_best);
-      }
-    }
-
-    /* map 'dm -> me' r_index if possible */
-    if (v_idx_best != ORIGINDEX_NONE) {
-      const int *index_mv_to_orig = CustomData_get_layer(&me_eval->vdata, CD_ORIGINDEX);
-      if (index_mv_to_orig) {
-        v_idx_best = index_mv_to_orig[v_idx_best];
-      }
-    }
-
-    if ((v_idx_best != ORIGINDEX_NONE) && (v_idx_best < me->totvert)) {
-      *r_index = v_idx_best;
-      return true;
-    }
-  }
-
-  return false;
-}
-
-/**
- * Vertex selection in object mode,
- * currently only weight paint uses this.
- *
- * \return boolean true == Found
- */
-typedef struct VertPickData {
-  const MVert *mvert;
-  const float *mval_f; /* [2] */
-  ARegion *region;
-
-  /* runtime */
-  float len_best;
-  int v_idx_best;
-} VertPickData;
-
-static void ed_mesh_pick_vert__mapFunc(void *userData,
-                                       int index,
-                                       const float co[3],
-                                       const float UNUSED(no[3]))
-{
-  VertPickData *data = userData;
-  if ((data->mvert[index].flag & ME_HIDE) == 0) {
-    float sco[2];
-
-    if (ED_view3d_project_float_object(data->region, co, sco, V3D_PROJ_TEST_CLIP_DEFAULT) ==
-        V3D_PROJ_RET_OK) {
-      const float len = len_manhattan_v2v2(data->mval_f, sco);
-      if (len < data->len_best) {
-        data->len_best = len;
-        data->v_idx_best = index;
-      }
-    }
-  }
-}
-bool ED_mesh_pick_vert(
-    bContext *C, Object *ob, const int mval[2], uint dist_px, bool use_zbuf, uint *r_index)
-{
-  ViewContext vc;
-  Mesh *me = ob->data;
-
-  BLI_assert(me && GS(me->id.name) == ID_ME);
-
-  if (!me || me->totvert == 0) {
-    return false;
-  }
-
-  Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C);
-  ED_view3d_viewcontext_init(C, &vc, depsgraph);
-  ED_view3d_select_id_validate(&vc);
-
-  if (use_zbuf) {
-    if (dist_px > 0) {
-      /* sample rect to increase chances of selecting, so that when clicking
-       * on an face in the backbuf, we can still select a vert */
-      *r_index = DRW_select_buffer_find_nearest_to_point(
-          vc.depsgraph, vc.region, vc.v3d, mval, 1, me->totvert + 1, &dist_px);
-    }
-    else {
-      /* sample only on the exact position */
-      *r_index = DRW_select_buffer_sample_point(vc.depsgraph, vc.region, vc.v3d, mval);
-    }
-
-    if ((*r_index) == 0 || (*r_index) > (uint)me->totvert) {
-      return false;
-    }
-
-    (*r_index)--;
-  }
-  else {
-    Scene *scene_eval = DEG_get_evaluated_scene(vc.depsgraph);
-    Object *ob_eval = DEG_get_evaluated_object(vc.depsgraph, ob);
-
-    /* derived mesh to find deformed locations */
-    Mesh *me_eval = mesh_get_eval_final(vc.depsgraph, scene_eval, ob_eval, &CD_MASK_BAREMESH);
-    ARegion *region = vc.region;
-    RegionView3D *rv3d = region->regiondata;
-
-    /* find the vert closest to 'mval' */
-    const float mval_f[2] = {(float)mval[0], (float)mval[1]};
-
-    VertPickData data = {NULL};
-
-    ED_view3d_init_mats_rv3d(ob, rv3d);
-
-    if (me_eval == NULL) {
-      return false;
-    }
-
-    /* setup data */
-    data.mvert = me->mvert;
-    data.region = region;
-    data.mval_f = mval_f;
-    data.len_best = FLT_MAX;
-    data.v_idx_best = -1;
-
-    BKE_mesh_foreach_mapped_vert(me_eval, ed_mesh_pick_vert__mapFunc, &data, MESH_FOREACH_NOP);
-
-    if (data.v_idx_best == -1) {
-      return false;
-    }
-
-    *r_index = data.v_idx_best;
-  }
-
-  return true;
-}
-
-MDeformVert *ED_mesh_active_dvert_get_em(Object *ob, BMVert **r_eve)
-{
-  if (ob->mode & OB_MODE_EDIT && ob->type == OB_MESH) {
-    Mesh *me = ob->data;
-    if (!BLI_listbase_is_empty(&me->vertex_group_names)) {
-      BMesh *bm = me->edit_mesh->bm;
-      const int cd_dvert_offset = CustomData_get_offset(&bm->vdata, CD_MDEFORMVERT);
-
-      if (cd_dvert_offset != -1) {
-        BMVert *eve = BM_mesh_active_vert_get(bm);
-
-        if (eve) {
-          if (r_eve) {
-            *r_eve = eve;
-          }
-          return BM_ELEM_CD_GET_VOID_P(eve, cd_dvert_offset);
-        }
-      }
-    }
-  }
-
-  if (r_eve) {
-    *r_eve = NULL;
-  }
-  return NULL;
-}
-
-MDeformVert *ED_mesh_active_dvert_get_ob(Object *ob, int *r_index)
-{
-  Mesh *me = ob->data;
-  int index = BKE_mesh_mselect_active_get(me, ME_VSEL);
-  if (r_index) {
-    *r_index = index;
-  }
-  if (index == -1 || me->dvert == NULL) {
-    return NULL;
-  }
-  return me->dvert + index;
-}
-
-MDeformVert *ED_mesh_active_dvert_get_only(Object *ob)
-{
-  if (ob->type == OB_MESH) {
-    if (ob->mode & OB_MODE_EDIT) {
-      return ED_mesh_active_dvert_get_em(ob, NULL);
-    }
-    return ED_mesh_active_dvert_get_ob(ob, NULL);
-  }
-  return NULL;
-}
-
-void EDBM_mesh_stats_multi(struct Object **objects,
-                           const uint objects_len,
-                           int totelem[3],
-                           int totelem_sel[3])
-{
-  if (totelem) {
-    totelem[0] = 0;
-    totelem[1] = 0;
-    totelem[2] = 0;
-  }
-  if (totelem_sel) {
-    totelem_sel[0] = 0;
-    totelem_sel[1] = 0;
-    totelem_sel[2] = 0;
-  }
-
-  for (uint ob_index = 0; ob_index < objects_len; ob_index++) {
-    Object *obedit = objects[ob_index];
-    BMEditMesh *em = BKE_editmesh_from_object(obedit);
-    BMesh *bm = em->bm;
-    if (totelem) {
-      totelem[0] += bm->totvert;
-      totelem[1] += bm->totedge;
-      totelem[2] += bm->totface;
-    }
-    if (totelem_sel) {
-      totelem_sel[0] += bm->totvertsel;
-      totelem_sel[1] += bm->totedgesel;
-      totelem_sel[2] += bm->totfacesel;
-    }
-  }
-}
-
-void EDBM_mesh_elem_index_ensure_multi(Object **objects, const uint objects_len, const char htype)
-{
-  int elem_offset[4] = {0, 0, 0, 0};
-  for (uint ob_index = 0; ob_index < objects_len; ob_index++) {
-    Object *obedit = objects[ob_index];
-    BMEditMesh *em = BKE_editmesh_from_object(obedit);
-    BMesh *bm = em->bm;
-    BM_mesh_elem_index_ensure_ex(bm, htype, elem_offset);
-  }
-}