Fix T76498: Refactoring - Rename BKE modifiers funtions

134 files changed, 607 insertions, 623 deletions

diff --git a/source/blender/blenkernel/BKE_modifier.h b/source/blender/blenkernel/BKE_modifier.h
index 3a3be7e82c2..1295f331461 100644
--- a/source/blender/blenkernel/BKE_modifier.h
+++ b/source/blender/blenkernel/BKE_modifier.h
@@ -353,60 +353,59 @@ typedef struct ModifierTypeInfo {
 /* Initialize modifier's global data (type info and some common global storages). */
 void BKE_modifier_init(void);
 
-const ModifierTypeInfo *modifierType_getInfo(ModifierType type);
+const ModifierTypeInfo *BKE_modifier_get_info(ModifierType type);
 
 /* Modifier utility calls, do call through type pointer and return
  * default values if pointer is optional.
  */
-struct ModifierData *modifier_new(int type);
-void modifier_free_ex(struct ModifierData *md, const int flag);
-void modifier_free(struct ModifierData *md);
+struct ModifierData *BKE_modifier_new(int type);
+void BKE_modifier_free_ex(struct ModifierData *md, const int flag);
+void BKE_modifier_free(struct ModifierData *md);
 
-bool modifier_unique_name(struct ListBase *modifiers, struct ModifierData *md);
+bool BKE_modifier_unique_name(struct ListBase *modifiers, struct ModifierData *md);
 
-void modifier_copyData_generic(const struct ModifierData *md,
+void BKE_modifier_copydata_generic(const struct ModifierData *md,
                                struct ModifierData *target,
                                const int flag);
-void modifier_copyData(struct ModifierData *md, struct ModifierData *target);
-void modifier_copyData_ex(struct ModifierData *md, struct ModifierData *target, const int flag);
-bool modifier_dependsOnTime(struct ModifierData *md);
-bool modifier_supportsMapping(struct ModifierData *md);
-bool modifier_supportsCage(struct Scene *scene, struct ModifierData *md);
-bool modifier_couldBeCage(struct Scene *scene, struct ModifierData *md);
-bool modifier_isCorrectableDeformed(struct ModifierData *md);
-bool modifier_isSameTopology(ModifierData *md);
-bool modifier_isNonGeometrical(ModifierData *md);
-bool modifier_isEnabled(const struct Scene *scene, struct ModifierData *md, int required_mode);
-void modifier_setError(struct ModifierData *md, const char *format, ...) ATTR_PRINTF_FORMAT(2, 3);
-bool modifier_isPreview(struct ModifierData *md);
-
-void modifiers_foreachObjectLink(struct Object *ob, ObjectWalkFunc walk, void *userData);
-void modifiers_foreachIDLink(struct Object *ob, IDWalkFunc walk, void *userData);
-void modifiers_foreachTexLink(struct Object *ob, TexWalkFunc walk, void *userData);
-
-struct ModifierData *modifiers_findByType(struct Object *ob, ModifierType type);
-struct ModifierData *modifiers_findByName(struct Object *ob, const char *name);
-void modifiers_clearErrors(struct Object *ob);
-int modifiers_getCageIndex(struct Scene *scene,
+void BKE_modifier_copydata(struct ModifierData *md, struct ModifierData *target);
+void BKE_modifier_copydata_ex(struct ModifierData *md, struct ModifierData *target, const int flag);
+bool BKE_modifier_depends_ontime(struct ModifierData *md);
+bool BKE_modifier_supports_mapping(struct ModifierData *md);
+bool BKE_modifier_supports_cage(struct Scene *scene, struct ModifierData *md);
+bool BKE_modifier_couldbe_cage(struct Scene *scene, struct ModifierData *md);
+bool BKE_modifier_is_correctable_deformed(struct ModifierData *md);
+bool BKE_modifier_is_same_topology(ModifierData *md);
+bool BKE_modifier_is_non_geometrical(ModifierData *md);
+bool BKE_modifier_is_enabled(const struct Scene *scene, struct ModifierData *md, int required_mode);
+void BKE_modifier_set_error(struct ModifierData *md, const char *format, ...) ATTR_PRINTF_FORMAT(2, 3);
+bool BKE_modifier_is_preview(struct ModifierData *md);
+
+void BKE_modifiers_foreach_object_link(struct Object *ob, ObjectWalkFunc walk, void *userData);
+void BKE_modifiers_foreach_ID_link(struct Object *ob, IDWalkFunc walk, void *userData);
+void BKE_modifiers_foreach_tex_link(struct Object *ob, TexWalkFunc walk, void *userData);
+
+struct ModifierData *BKE_modifiers_findby_type(struct Object *ob, ModifierType type);
+struct ModifierData *BKE_modifiers_findny_name(struct Object *ob, const char *name);
+void BKE_modifiers_clear_errors(struct Object *ob);
+int BKE_modifiers_get_cage_index(struct Scene *scene,
                            struct Object *ob,
                            int *r_lastPossibleCageIndex,
                            bool is_virtual);
 
-bool modifiers_isModifierEnabled(struct Object *ob, int modifierType);
-bool modifiers_isSoftbodyEnabled(struct Object *ob);
-bool modifiers_isClothEnabled(struct Object *ob);
-bool modifiers_isParticleEnabled(struct Object *ob);
-
-struct Object *modifiers_isDeformedByArmature(struct Object *ob);
-struct Object *modifiers_isDeformedByMeshDeform(struct Object *ob);
-struct Object *modifiers_isDeformedByLattice(struct Object *ob);
-struct Object *modifiers_isDeformedByCurve(struct Object *ob);
-bool modifiers_usesMultires(struct Object *ob);
-bool modifiers_usesArmature(struct Object *ob, struct bArmature *arm);
-bool modifiers_usesSubsurfFacedots(struct Scene *scene, struct Object *ob);
-bool modifiers_isCorrectableDeformed(struct Scene *scene, struct Object *ob);
-void modifier_freeTemporaryData(struct ModifierData *md);
-bool modifiers_isPreview(struct Object *ob);
+bool BKE_modifiers_is_modifier_enabled(struct Object *ob, int modifierType);
+bool BKE_modifiers_is_softbody_enabled(struct Object *ob);
+bool BKE_modifiers_is_cloth_enabled(struct Object *ob);
+bool BKE_modifiers_is_particle_enabled(struct Object *ob);
+
+struct Object *BKE_modifiers_is_deformed_by_armature(struct Object *ob);
+struct Object *BKE_modifiers_is_deformed_by_meshdeform(struct Object *ob);
+struct Object *BKE_modifiers_is_deformed_by_lattice(struct Object *ob);
+struct Object *BKE_modifiers_is_deformed_by_curve(struct Object *ob);
+bool BKE_modifiers_uses_multires(struct Object *ob);
+bool BKE_modifiers_uses_armature(struct Object *ob, struct bArmature *arm);
+bool BKE_modifiers_uses_subsurf_facedots(struct Scene *scene, struct Object *ob);
+bool BKE_modifiers_is_correctable_deformed(struct Scene *scene, struct Object *ob);
+void BKE_modifier_free_temporary_data(struct ModifierData *md);
 
 typedef struct CDMaskLink {
   struct CDMaskLink *next;
@@ -418,14 +417,14 @@ typedef struct CDMaskLink {
  * pointed to by md for correct evaluation, assuming the data indicated by
  * final_datamask is required at the end of the stack.
  */
-struct CDMaskLink *modifiers_calcDataMasks(struct Scene *scene,
+struct CDMaskLink *BKE_modifier_calc_data_masks(struct Scene *scene,
                                            struct Object *ob,
                                            struct ModifierData *md,
                                            struct CustomData_MeshMasks *final_datamask,
                                            int required_mode,
                                            ModifierData *previewmd,
                                            const struct CustomData_MeshMasks *previewmask);
-struct ModifierData *modifiers_getLastPreview(struct Scene *scene,
+struct ModifierData *BKE_modifier_get_last_preview(struct Scene *scene,
                                               struct ModifierData *md,
                                               int required_mode);
 
@@ -436,41 +435,41 @@ typedef struct VirtualModifierData {
   ShapeKeyModifierData smd;
 } VirtualModifierData;
 
-struct ModifierData *modifiers_getVirtualModifierList(const struct Object *ob,
+struct ModifierData *BKE_modifiers_get_virtual_modifierlist(const struct Object *ob,
                                                       struct VirtualModifierData *data);
 
 /* ensure modifier correctness when changing ob->data */
-void test_object_modifiers(struct Object *ob);
+void BKE_modifiers_test_object(struct Object *ob);
 
 /* here for do_versions */
-void modifier_mdef_compact_influences(struct ModifierData *md);
+void BKE_modifier_mdef_compact_influences(struct ModifierData *md);
 
-void modifier_path_init(char *path, int path_maxlen, const char *name);
-const char *modifier_path_relbase(struct Main *bmain, struct Object *ob);
-const char *modifier_path_relbase_from_global(struct Object *ob);
+void BKE_modifier_path_init(char *path, int path_maxlen, const char *name);
+const char *BKE_modifier_path_relbase(struct Main *bmain, struct Object *ob);
+const char *BKE_modifier_path_relbase_from_global(struct Object *ob);
 
 /* Accessors of original/evaluated modifiers. */
 
 /* For a given modifier data, get corresponding original one.
  * If the modifier data is already original, return it as-is. */
-struct ModifierData *modifier_get_original(struct ModifierData *md);
-struct ModifierData *modifier_get_evaluated(struct Depsgraph *depsgraph,
+struct ModifierData *BKE_modifier_get_original(struct ModifierData *md);
+struct ModifierData *BKE_modifier_get_evaluated(struct Depsgraph *depsgraph,
                                             struct Object *object,
                                             struct ModifierData *md);
 
 /* wrappers for modifier callbacks that ensure valid normals */
 
-struct Mesh *modwrap_modifyMesh(ModifierData *md,
+struct Mesh *BKE_modifier_modify_mesh(ModifierData *md,
                                 const struct ModifierEvalContext *ctx,
                                 struct Mesh *me);
 
-void modwrap_deformVerts(ModifierData *md,
+void BKE_modifier_deform_verts(ModifierData *md,
                          const struct ModifierEvalContext *ctx,
                          struct Mesh *me,
                          float (*vertexCos)[3],
                          int numVerts);
 
-void modwrap_deformVertsEM(ModifierData *md,
+void BKE_modifier_deform_vertsEM(ModifierData *md,
                            const struct ModifierEvalContext *ctx,
                            struct BMEditMesh *em,
                            struct Mesh *me,
diff --git a/source/blender/blenkernel/intern/DerivedMesh.c b/source/blender/blenkernel/intern/DerivedMesh.c
index b8226c57f80..62a457ec442 100644
--- a/source/blender/blenkernel/intern/DerivedMesh.c
+++ b/source/blender/blenkernel/intern/DerivedMesh.c
@@ -698,7 +698,7 @@ static float (*get_orco_coords(Object *ob, BMEditMesh *em, int layer, int *free)
     /* apply shape key for cloth, this should really be solved
      * by a more flexible customdata system, but not simple */
     if (!em) {
-      ClothModifierData *clmd = (ClothModifierData *)modifiers_findByType(ob, eModifierType_Cloth);
+      ClothModifierData *clmd = (ClothModifierData *)BKE_modifiers_findby_type(ob, eModifierType_Cloth);
       KeyBlock *kb = BKE_keyblock_from_key(BKE_key_from_object(ob),
                                            clmd->sim_parms->shapekey_rest);
 
@@ -915,7 +915,7 @@ static void mesh_calc_modifiers(struct Depsgraph *depsgraph,
   /* Get effective list of modifiers to execute. Some effects like shape keys
    * are added as virtual modifiers before the user created modifiers. */
   VirtualModifierData virtualModifierData;
-  ModifierData *firstmd = modifiers_getVirtualModifierList(ob, &virtualModifierData);
+  ModifierData *firstmd = BKE_modifiers_get_virtual_modifierlist(ob, &virtualModifierData);
   ModifierData *md = firstmd;
 
   /* Preview colors by modifiers such as dynamic paint, to show the results
@@ -929,7 +929,7 @@ static void mesh_calc_modifiers(struct Depsgraph *depsgraph,
     /* XXX Currently, DPaint modifier just ignores this.
      *     Needs a stupid hack...
      *     The whole "modifier preview" thing has to be (re?)designed, anyway! */
-    previewmd = modifiers_getLastPreview(scene, md, required_mode);
+    previewmd = BKE_modifier_get_last_preview(scene, md, required_mode);
   }
 
   /* Compute accumulated datamasks needed by each modifier. It helps to do
@@ -937,21 +937,21 @@ static void mesh_calc_modifiers(struct Depsgraph *depsgraph,
    * an armature modifier, but not through a following subsurf modifier where
    * subdividing them is expensive. */
   CustomData_MeshMasks final_datamask = *dataMask;
-  CDMaskLink *datamasks = modifiers_calcDataMasks(
+  CDMaskLink *datamasks = BKE_modifier_calc_data_masks(
       scene, ob, md, &final_datamask, required_mode, previewmd, &previewmask);
   CDMaskLink *md_datamask = datamasks;
   /* XXX Always copying POLYINDEX, else tessellated data are no more valid! */
   CustomData_MeshMasks append_mask = CD_MASK_BAREMESH_ORIGINDEX;
 
   /* Clear errors before evaluation. */
-  modifiers_clearErrors(ob);
+  BKE_modifiers_clear_errors(ob);
 
   /* Apply all leading deform modifiers. */
   if (useDeform) {
     for (; md; md = md->next, md_datamask = md_datamask->next) {
-      const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+      const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
 
-      if (!modifier_isEnabled(scene, md, required_mode)) {
+      if (!BKE_modifier_is_enabled(scene, md, required_mode)) {
         continue;
       }
 
@@ -971,7 +971,7 @@ static void mesh_calc_modifiers(struct Depsgraph *depsgraph,
           BKE_mesh_vert_coords_apply(mesh_final, deformed_verts);
         }
 
-        modwrap_deformVerts(md, &mectx, mesh_final, deformed_verts, num_deformed_verts);
+        BKE_modifier_deform_verts(md, &mectx, mesh_final, deformed_verts, num_deformed_verts);
 
         isPrevDeform = true;
       }
@@ -1001,9 +1001,9 @@ static void mesh_calc_modifiers(struct Depsgraph *depsgraph,
   /* Apply all remaining constructive and deforming modifiers. */
   bool have_non_onlydeform_modifiers_appled = false;
   for (; md; md = md->next, md_datamask = md_datamask->next) {
-    const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+    const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
 
-    if (!modifier_isEnabled(scene, md, required_mode)) {
+    if (!BKE_modifier_is_enabled(scene, md, required_mode)) {
       continue;
     }
 
@@ -1013,7 +1013,7 @@ static void mesh_calc_modifiers(struct Depsgraph *depsgraph,
 
     if ((mti->flags & eModifierTypeFlag_RequiresOriginalData) &&
         have_non_onlydeform_modifiers_appled) {
-      modifier_setError(md, "Modifier requires original data, bad stack position");
+      BKE_modifier_set_error(md, "Modifier requires original data, bad stack position");
       continue;
     }
 
@@ -1039,19 +1039,19 @@ static void mesh_calc_modifiers(struct Depsgraph *depsgraph,
 
       if (unsupported) {
         if (sculpt_dyntopo) {
-          modifier_setError(md, "Not supported in dyntopo");
+          BKE_modifier_set_error(md, "Not supported in dyntopo");
         }
         else {
-          modifier_setError(md, "Not supported in sculpt mode");
+          BKE_modifier_set_error(md, "Not supported in sculpt mode");
         }
         continue;
       }
       else {
-        modifier_setError(md, "Sculpt: Hide, Mask and optimized display disabled");
+        BKE_modifier_set_error(md, "Sculpt: Hide, Mask and optimized display disabled");
       }
     }
 
-    if (need_mapping && !modifier_supportsMapping(md)) {
+    if (need_mapping && !BKE_modifier_supports_mapping(md)) {
       continue;
     }
 
@@ -1093,7 +1093,7 @@ static void mesh_calc_modifiers(struct Depsgraph *depsgraph,
         }
         BKE_mesh_vert_coords_apply(mesh_final, deformed_verts);
       }
-      modwrap_deformVerts(md, &mectx, mesh_final, deformed_verts, num_deformed_verts);
+      BKE_modifier_deform_verts(md, &mectx, mesh_final, deformed_verts, num_deformed_verts);
     }
     else {
       have_non_onlydeform_modifiers_appled = true;
@@ -1175,7 +1175,7 @@ static void mesh_calc_modifiers(struct Depsgraph *depsgraph,
         }
       }
 
-      Mesh *mesh_next = modwrap_modifyMesh(md, &mectx, mesh_final);
+      Mesh *mesh_next = BKE_modifier_modify_mesh(md, &mectx, mesh_final);
       ASSERT_IS_VALID_MESH(mesh_next);
 
       if (mesh_next) {
@@ -1211,7 +1211,7 @@ static void mesh_calc_modifiers(struct Depsgraph *depsgraph,
         CustomData_MeshMasks_update(&temp_cddata_masks, &nextmask);
         mesh_set_only_copy(mesh_orco, &temp_cddata_masks);
 
-        mesh_next = modwrap_modifyMesh(md, &mectx_orco, mesh_orco);
+        mesh_next = BKE_modifier_modify_mesh(md, &mectx_orco, mesh_orco);
         ASSERT_IS_VALID_MESH(mesh_next);
 
         if (mesh_next) {
@@ -1237,7 +1237,7 @@ static void mesh_calc_modifiers(struct Depsgraph *depsgraph,
         nextmask.pmask |= CD_MASK_ORIGINDEX;
         mesh_set_only_copy(mesh_orco_cloth, &nextmask);
 
-        mesh_next = modwrap_modifyMesh(md, &mectx_orco, mesh_orco_cloth);
+        mesh_next = BKE_modifier_modify_mesh(md, &mectx_orco, mesh_orco_cloth);
         ASSERT_IS_VALID_MESH(mesh_next);
 
         if (mesh_next) {
@@ -1275,7 +1275,7 @@ static void mesh_calc_modifiers(struct Depsgraph *depsgraph,
   BLI_linklist_free((LinkNode *)datamasks, NULL);
 
   for (md = firstmd; md; md = md->next) {
-    modifier_freeTemporaryData(md);
+    BKE_modifier_free_temporary_data(md);
   }
 
   /* Yay, we are done. If we have a Mesh and deformed vertices,
@@ -1375,15 +1375,15 @@ float (*editbmesh_vert_coords_alloc(BMEditMesh *em, int *r_vert_len))[3]
 
 bool editbmesh_modifier_is_enabled(Scene *scene, ModifierData *md, bool has_prev_mesh)
 {
-  const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+  const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
   const int required_mode = eModifierMode_Realtime | eModifierMode_Editmode;
 
-  if (!modifier_isEnabled(scene, md, required_mode)) {
+  if (!BKE_modifier_is_enabled(scene, md, required_mode)) {
     return false;
   }
 
   if ((mti->flags & eModifierTypeFlag_RequiresOriginalData) && has_prev_mesh) {
-    modifier_setError(md, "Modifier requires original data, bad stack position");
+    BKE_modifier_set_error(md, "Modifier requires original data, bad stack position");
     return false;
   }
 
@@ -1485,30 +1485,30 @@ static void editbmesh_calc_modifiers(struct Depsgraph *depsgraph,
   /* Get effective list of modifiers to execute. Some effects like shape keys
    * are added as virtual modifiers before the user created modifiers. */
   VirtualModifierData virtualModifierData;
-  ModifierData *md = modifiers_getVirtualModifierList(ob, &virtualModifierData);
+  ModifierData *md = BKE_modifiers_get_virtual_modifierlist(ob, &virtualModifierData);
 
   /* Compute accumulated datamasks needed by each modifier. It helps to do
    * this fine grained so that for example vertex groups are preserved up to
    * an armature modifier, but not through a following subsurf modifier where
    * subdividing them is expensive. */
   CustomData_MeshMasks final_datamask = *dataMask;
-  CDMaskLink *datamasks = modifiers_calcDataMasks(
+  CDMaskLink *datamasks = BKE_modifier_calc_data_masks(
       scene, ob, md, &final_datamask, required_mode, NULL, NULL);
   CDMaskLink *md_datamask = datamasks;
   CustomData_MeshMasks append_mask = CD_MASK_BAREMESH;
 
   /* Evaluate modifiers up to certain index to get the mesh cage. */
-  int cageIndex = modifiers_getCageIndex(scene, ob, NULL, 1);
+  int cageIndex = BKE_modifiers_get_cage_index(scene, ob, NULL, 1);
   if (r_cage && cageIndex == -1) {
     mesh_cage = BKE_mesh_from_editmesh_with_coords_thin_wrap(
         em_input, &final_datamask, NULL, mesh_input);
   }
 
   /* Clear errors before evaluation. */
-  modifiers_clearErrors(ob);
+  BKE_modifiers_clear_errors(ob);
 
   for (int i = 0; md; i++, md = md->next, md_datamask = md_datamask->next) {
-    const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+    const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
 
     if (!editbmesh_modifier_is_enabled(scene, md, mesh_final != NULL)) {
       continue;
@@ -1549,11 +1549,11 @@ static void editbmesh_calc_modifiers(struct Depsgraph *depsgraph,
       }
 
       if (mti->deformVertsEM) {
-        modwrap_deformVertsEM(
+        BKE_modifier_deform_vertsEM(
             md, &mectx, em_input, mesh_final, deformed_verts, num_deformed_verts);
       }
       else {
-        modwrap_deformVerts(md, &mectx, mesh_final, deformed_verts, num_deformed_verts);
+        BKE_modifier_deform_verts(md, &mectx, mesh_final, deformed_verts, num_deformed_verts);
       }
     }
     else {
@@ -1594,7 +1594,7 @@ static void editbmesh_calc_modifiers(struct Depsgraph *depsgraph,
         mask.pmask |= CD_MASK_ORIGINDEX;
         mesh_set_only_copy(mesh_orco, &mask);
 
-        Mesh *mesh_next = modwrap_modifyMesh(md, &mectx_orco, mesh_orco);
+        Mesh *mesh_next = BKE_modifier_modify_mesh(md, &mectx_orco, mesh_orco);
         ASSERT_IS_VALID_MESH(mesh_next);
 
         if (mesh_next) {
@@ -1625,7 +1625,7 @@ static void editbmesh_calc_modifiers(struct Depsgraph *depsgraph,
         }
       }
 
-      Mesh *mesh_next = modwrap_modifyMesh(md, &mectx, mesh_final);
+      Mesh *mesh_next = BKE_modifier_modify_mesh(md, &mectx, mesh_final);
       ASSERT_IS_VALID_MESH(mesh_next);
 
       if (mesh_next) {
diff --git a/source/blender/blenkernel/intern/boids.c b/source/blender/blenkernel/intern/boids.c
index a493d5f49c8..6197b9dbefd 100644
--- a/source/blender/blenkernel/intern/boids.c
+++ b/source/blender/blenkernel/intern/boids.c
@@ -861,7 +861,7 @@ static Object *boid_find_ground(BoidBrainData *bbd,
     SurfaceModifierData *surmd = NULL;
     float x[3], v[3];
 
-    surmd = (SurfaceModifierData *)modifiers_findByType(bpa->ground, eModifierType_Surface);
+    surmd = (SurfaceModifierData *)BKE_modifiers_findby_type(bpa->ground, eModifierType_Surface);
 
     /* take surface velocity into account */
     closest_point_on_surface(surmd, pa->state.co, x, NULL, v);
diff --git a/source/blender/blenkernel/intern/cloth.c b/source/blender/blenkernel/intern/cloth.c
index 0a35c9879b7..05acb9a22f3 100644
--- a/source/blender/blenkernel/intern/cloth.c
+++ b/source/blender/blenkernel/intern/cloth.c
@@ -333,13 +333,13 @@ static int do_init_cloth(Object *ob, ClothModifierData *clmd, Mesh *result, int
   if (clmd->clothObject == NULL) {
     if (!cloth_from_object(ob, clmd, result, framenr, 1)) {
       BKE_ptcache_invalidate(cache);
-      modifier_setError(&(clmd->modifier), "Can't initialize cloth");
+      BKE_modifier_set_error(&(clmd->modifier), "Can't initialize cloth");
       return 0;
     }
 
     if (clmd->clothObject == NULL) {
       BKE_ptcache_invalidate(cache);
-      modifier_setError(&(clmd->modifier), "Null cloth object");
+      BKE_modifier_set_error(&(clmd->modifier), "Null cloth object");
       return 0;
     }
 
@@ -841,7 +841,7 @@ static int cloth_from_object(
     clmd->clothObject->edgeset = NULL;
   }
   else {
-    modifier_setError(&(clmd->modifier), "Out of memory on allocating clmd->clothObject");
+    BKE_modifier_set_error(&(clmd->modifier), "Out of memory on allocating clmd->clothObject");
     return 0;
   }
 
@@ -913,7 +913,7 @@ static int cloth_from_object(
 
   if (!cloth_build_springs(clmd, mesh)) {
     cloth_free_modifier(clmd);
-    modifier_setError(&(clmd->modifier), "Cannot build springs");
+    BKE_modifier_set_error(&(clmd->modifier), "Cannot build springs");
     return 0;
   }
 
@@ -943,7 +943,7 @@ static void cloth_from_mesh(ClothModifierData *clmd, Mesh *mesh)
                                          "clothVertex");
   if (clmd->clothObject->verts == NULL) {
     cloth_free_modifier(clmd);
-    modifier_setError(&(clmd->modifier), "Out of memory on allocating clmd->clothObject->verts");
+    BKE_modifier_set_error(&(clmd->modifier), "Out of memory on allocating clmd->clothObject->verts");
     printf("cloth_free_modifier clmd->clothObject->verts\n");
     return;
   }
@@ -959,7 +959,7 @@ static void cloth_from_mesh(ClothModifierData *clmd, Mesh *mesh)
   clmd->clothObject->tri = MEM_mallocN(sizeof(MVertTri) * looptri_num, "clothLoopTris");
   if (clmd->clothObject->tri == NULL) {
     cloth_free_modifier(clmd);
-    modifier_setError(&(clmd->modifier), "Out of memory on allocating clmd->clothObject->looptri");
+    BKE_modifier_set_error(&(clmd->modifier), "Out of memory on allocating clmd->clothObject->looptri");
     printf("cloth_free_modifier clmd->clothObject->looptri\n");
     return;
   }
diff --git a/source/blender/blenkernel/intern/collision.c b/source/blender/blenkernel/intern/collision.c
index 7cc40007e26..daf1602319f 100644
--- a/source/blender/blenkernel/intern/collision.c
+++ b/source/blender/blenkernel/intern/collision.c
@@ -1307,7 +1307,7 @@ static void add_collision_object(ListBase *relations,
   /* only get objects with collision modifier */
   if (((modifier_type == eModifierType_Collision) && ob->pd && ob->pd->deflect) ||
       (modifier_type != eModifierType_Collision)) {
-    cmd = (CollisionModifierData *)modifiers_findByType(ob, modifier_type);
+    cmd = (CollisionModifierData *)BKE_modifiers_findby_type(ob, modifier_type);
   }
 
   if (cmd) {
@@ -1426,7 +1426,7 @@ ListBase *BKE_collider_cache_create(Depsgraph *depsgraph, Object *self, Collecti
       continue;
     }
 
-    CollisionModifierData *cmd = (CollisionModifierData *)modifiers_findByType(
+    CollisionModifierData *cmd = (CollisionModifierData *)BKE_modifiers_findby_type(
         ob, eModifierType_Collision);
     if (cmd && cmd->bvhtree) {
       if (cache == NULL) {
@@ -1527,7 +1527,7 @@ static int cloth_bvh_objcollisions_resolve(ClothModifierData *clmd,
 
     for (i = 0; i < numcollobj; i++) {
       Object *collob = collobjs[i];
-      CollisionModifierData *collmd = (CollisionModifierData *)modifiers_findByType(
+      CollisionModifierData *collmd = (CollisionModifierData *)BKE_modifiers_findby_type(
           collob, eModifierType_Collision);
 
       if (collmd->bvhtree) {
@@ -1658,7 +1658,7 @@ int cloth_bvh_collision(
 
       for (i = 0; i < numcollobj; i++) {
         Object *collob = collobjs[i];
-        CollisionModifierData *collmd = (CollisionModifierData *)modifiers_findByType(
+        CollisionModifierData *collmd = (CollisionModifierData *)BKE_modifiers_findby_type(
             collob, eModifierType_Collision);
 
         if (!collmd->bvhtree) {
@@ -1693,7 +1693,7 @@ int cloth_bvh_collision(
 
       for (i = 0; i < numcollobj; i++) {
         Object *collob = collobjs[i];
-        CollisionModifierData *collmd = (CollisionModifierData *)modifiers_findByType(
+        CollisionModifierData *collmd = (CollisionModifierData *)BKE_modifiers_findby_type(
             collob, eModifierType_Collision);
 
         if (!collmd->bvhtree) {
diff --git a/source/blender/blenkernel/intern/crazyspace.c b/source/blender/blenkernel/intern/crazyspace.c
index 3c47615b071..f4acbdca772 100644
--- a/source/blender/blenkernel/intern/crazyspace.c
+++ b/source/blender/blenkernel/intern/crazyspace.c
@@ -84,7 +84,7 @@ static void set_crazy_vertex_quat(float r_quat[4],
 static bool modifiers_disable_subsurf_temporary(struct Scene *scene, Object *ob)
 {
   bool disabled = false;
-  int cageIndex = modifiers_getCageIndex(scene, ob, NULL, 1);
+  int cageIndex = BKE_modifiers_get_cage_index(scene, ob, NULL, 1);
 
   ModifierData *md = ob->modifiers.first;
   for (int i = 0; md && i <= cageIndex; i++, md = md->next) {
@@ -265,20 +265,20 @@ int BKE_crazyspace_get_first_deform_matrices_editbmesh(struct Depsgraph *depsgra
   Mesh *me_input = ob->data;
   Mesh *me = NULL;
   int i, a, numleft = 0, numVerts = 0;
-  int cageIndex = modifiers_getCageIndex(scene, ob, NULL, 1);
+  int cageIndex = BKE_modifiers_get_cage_index(scene, ob, NULL, 1);
   float(*defmats)[3][3] = NULL, (*deformedVerts)[3] = NULL;
   VirtualModifierData virtualModifierData;
   ModifierEvalContext mectx = {depsgraph, ob, 0};
 
-  modifiers_clearErrors(ob);
+  BKE_modifiers_clear_errors(ob);
 
-  md = modifiers_getVirtualModifierList(ob, &virtualModifierData);
+  md = BKE_modifiers_get_virtual_modifierlist(ob, &virtualModifierData);
 
   /* compute the deformation matrices and coordinates for the first
    * modifiers with on cage editing that are enabled and support computing
    * deform matrices */
   for (i = 0; md && i <= cageIndex; i++, md = md->next) {
-    const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+    const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
 
     if (!editbmesh_modifier_is_enabled(scene, md, me != NULL)) {
       continue;
@@ -288,7 +288,7 @@ int BKE_crazyspace_get_first_deform_matrices_editbmesh(struct Depsgraph *depsgra
       if (!defmats) {
         const int required_mode = eModifierMode_Realtime | eModifierMode_Editmode;
         CustomData_MeshMasks cd_mask_extra = CD_MASK_BAREMESH;
-        CDMaskLink *datamasks = modifiers_calcDataMasks(
+        CDMaskLink *datamasks = BKE_modifier_calc_data_masks(
             scene, ob, md, &cd_mask_extra, required_mode, NULL, NULL);
         cd_mask_extra = datamasks->mask;
         BLI_linklist_free((LinkNode *)datamasks, NULL);
@@ -310,7 +310,7 @@ int BKE_crazyspace_get_first_deform_matrices_editbmesh(struct Depsgraph *depsgra
 
   for (; md && i <= cageIndex; md = md->next, i++) {
     if (editbmesh_modifier_is_enabled(scene, md, me != NULL) &&
-        modifier_isCorrectableDeformed(md)) {
+        BKE_modifier_is_correctable_deformed(md)) {
       numleft++;
     }
   }
@@ -361,13 +361,13 @@ static bool crazyspace_modifier_supports_deform_matrices(ModifierData *md)
   if (ELEM(md->type, eModifierType_Subsurf, eModifierType_Multires)) {
     return true;
   }
-  const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+  const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
   return (mti->type == eModifierTypeType_OnlyDeform);
 }
 
 static bool crazyspace_modifier_supports_deform(ModifierData *md)
 {
-  const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+  const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
   return (mti->type == eModifierTypeType_OnlyDeform);
 }
 
@@ -395,15 +395,15 @@ int BKE_sculpt_get_first_deform_matrices(struct Depsgraph *depsgraph,
     return numleft;
   }
 
-  md = modifiers_getVirtualModifierList(&object_eval, &virtualModifierData);
+  md = BKE_modifiers_get_virtual_modifierlist(&object_eval, &virtualModifierData);
 
   for (; md; md = md->next) {
-    if (!modifier_isEnabled(scene, md, eModifierMode_Realtime)) {
+    if (!BKE_modifier_is_enabled(scene, md, eModifierMode_Realtime)) {
       continue;
     }
 
     if (crazyspace_modifier_supports_deform_matrices(md)) {
-      const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+      const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
       if (defmats == NULL) {
         /* NOTE: Evaluated object si re-set to its original undeformed
          * state. */
@@ -425,7 +425,7 @@ int BKE_sculpt_get_first_deform_matrices(struct Depsgraph *depsgraph,
   }
 
   for (; md; md = md->next) {
-    if (!modifier_isEnabled(scene, md, eModifierMode_Realtime)) {
+    if (!BKE_modifier_is_enabled(scene, md, eModifierMode_Realtime)) {
       continue;
     }
 
@@ -471,16 +471,16 @@ void BKE_crazyspace_build_sculpt(struct Depsgraph *depsgraph,
     VirtualModifierData virtualModifierData;
     Object object_eval;
     crazyspace_init_object_for_eval(depsgraph, object, &object_eval);
-    ModifierData *md = modifiers_getVirtualModifierList(&object_eval, &virtualModifierData);
+    ModifierData *md = BKE_modifiers_get_virtual_modifierlist(&object_eval, &virtualModifierData);
     const ModifierEvalContext mectx = {depsgraph, &object_eval, 0};
 
     for (; md; md = md->next) {
-      if (!modifier_isEnabled(scene, md, eModifierMode_Realtime)) {
+      if (!BKE_modifier_is_enabled(scene, md, eModifierMode_Realtime)) {
         continue;
       }
 
       if (crazyspace_modifier_supports_deform(md)) {
-        const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+        const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
 
         /* skip leading modifiers which have been already
          * handled in sculpt_get_first_deform_matrices */
diff --git a/source/blender/blenkernel/intern/displist.c b/source/blender/blenkernel/intern/displist.c
index d35dc32738b..d73f92b6073 100644
--- a/source/blender/blenkernel/intern/displist.c
+++ b/source/blender/blenkernel/intern/displist.c
@@ -805,7 +805,7 @@ static ModifierData *curve_get_tessellate_point(Scene *scene,
                                                 const bool editmode)
 {
   VirtualModifierData virtualModifierData;
-  ModifierData *md = modifiers_getVirtualModifierList(ob, &virtualModifierData);
+  ModifierData *md = BKE_modifiers_get_virtual_modifierlist(ob, &virtualModifierData);
   ModifierData *pretessellatePoint;
   int required_mode;
 
@@ -822,9 +822,9 @@ static ModifierData *curve_get_tessellate_point(Scene *scene,
 
   pretessellatePoint = NULL;
   for (; md; md = md->next) {
-    const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+    const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
 
-    if (!modifier_isEnabled(scene, md, required_mode)) {
+    if (!BKE_modifier_is_enabled(scene, md, required_mode)) {
       continue;
     }
     if (mti->type == eModifierTypeType_Constructive) {
@@ -853,7 +853,7 @@ static bool curve_calc_modifiers_pre(
     Depsgraph *depsgraph, Scene *scene, Object *ob, ListBase *nurb, const bool for_render)
 {
   VirtualModifierData virtualModifierData;
-  ModifierData *md = modifiers_getVirtualModifierList(ob, &virtualModifierData);
+  ModifierData *md = BKE_modifiers_get_virtual_modifierlist(ob, &virtualModifierData);
   ModifierData *pretessellatePoint;
   Curve *cu = ob->data;
   int numElems = 0, numVerts = 0;
@@ -864,7 +864,7 @@ static bool curve_calc_modifiers_pre(
   int required_mode;
   bool modified = false;
 
-  modifiers_clearErrors(ob);
+  BKE_modifiers_clear_errors(ob);
 
   if (editmode) {
     apply_flag |= MOD_APPLY_USECACHE;
@@ -901,9 +901,9 @@ static bool curve_calc_modifiers_pre(
 
   if (pretessellatePoint) {
     for (; md; md = md->next) {
-      const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+      const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
 
-      if (!modifier_isEnabled(scene, md, required_mode)) {
+      if (!BKE_modifier_is_enabled(scene, md, required_mode)) {
         continue;
       }
       if (mti->type != eModifierTypeType_OnlyDeform) {
@@ -982,7 +982,7 @@ static void curve_calc_modifiers_post(Depsgraph *depsgraph,
                                       const bool force_mesh_conversion)
 {
   VirtualModifierData virtualModifierData;
-  ModifierData *md = modifiers_getVirtualModifierList(ob, &virtualModifierData);
+  ModifierData *md = BKE_modifiers_get_virtual_modifierlist(ob, &virtualModifierData);
   ModifierData *pretessellatePoint;
   Curve *cu = ob->data;
   int required_mode = 0, totvert = 0;
@@ -1020,9 +1020,9 @@ static void curve_calc_modifiers_post(Depsgraph *depsgraph,
   }
 
   for (; md; md = md->next) {
-    const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+    const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
 
-    if (!modifier_isEnabled(scene, md, required_mode)) {
+    if (!BKE_modifier_is_enabled(scene, md, required_mode)) {
       continue;
     }
 
diff --git a/source/blender/blenkernel/intern/dynamicpaint.c b/source/blender/blenkernel/intern/dynamicpaint.c
index 2e1b17844c4..79d9a40f06b 100644
--- a/source/blender/blenkernel/intern/dynamicpaint.c
+++ b/source/blender/blenkernel/intern/dynamicpaint.c
@@ -540,7 +540,7 @@ static int surface_getBrushFlags(DynamicPaintSurface *surface, Depsgraph *depsgr
   for (int i = 0; i < numobjects; i++) {
     Object *brushObj = objects[i];
 
-    ModifierData *md = modifiers_findByType(brushObj, eModifierType_DynamicPaint);
+    ModifierData *md = BKE_modifiers_findby_type(brushObj, eModifierType_DynamicPaint);
     if (md && md->mode & (eModifierMode_Realtime | eModifierMode_Render)) {
       DynamicPaintModifierData *pmd2 = (DynamicPaintModifierData *)md;
 
@@ -1099,7 +1099,7 @@ DynamicPaintSurface *dynamicPaint_createNewSurface(DynamicPaintCanvasSettings *c
   surface->wave_spring = 0.20f;
   surface->wave_smoothness = 1.0f;
 
-  modifier_path_init(
+  BKE_modifier_path_init(
       surface->image_output_path, sizeof(surface->image_output_path), "cache_dynamicpaint");
 
   /* Using ID_BRUSH i18n context, as we have no physics/dpaint one for now... */
@@ -6248,7 +6248,7 @@ static int dynamicPaint_doStep(Depsgraph *depsgraph,
       Object *brushObj = objects[i];
 
       /* check if target has an active dp modifier */
-      ModifierData *md = modifiers_findByType(brushObj, eModifierType_DynamicPaint);
+      ModifierData *md = BKE_modifiers_findby_type(brushObj, eModifierType_DynamicPaint);
       if (md && md->mode & (eModifierMode_Realtime | eModifierMode_Render)) {
         DynamicPaintModifierData *pmd2 = (DynamicPaintModifierData *)md;
         /* make sure we're dealing with a brush */
diff --git a/source/blender/blenkernel/intern/effect.c b/source/blender/blenkernel/intern/effect.c
index e1e818a5a34..bfb03dea39c 100644
--- a/source/blender/blenkernel/intern/effect.c
+++ b/source/blender/blenkernel/intern/effect.c
@@ -177,7 +177,7 @@ static void precalculate_effector(struct Depsgraph *depsgraph, EffectorCache *ef
     }
   }
   else if (eff->pd->shape == PFIELD_SHAPE_SURFACE) {
-    eff->surmd = (SurfaceModifierData *)modifiers_findByType(eff->ob, eModifierType_Surface);
+    eff->surmd = (SurfaceModifierData *)BKE_modifiers_findby_type(eff->ob, eModifierType_Surface);
     if (eff->ob->type == OB_CURVE) {
       eff->flag |= PE_USE_NORMAL_DATA;
     }
diff --git a/source/blender/blenkernel/intern/fluid.c b/source/blender/blenkernel/intern/fluid.c
index b6986f12bb9..4240b49d9c3 100644
--- a/source/blender/blenkernel/intern/fluid.c
+++ b/source/blender/blenkernel/intern/fluid.c
@@ -350,7 +350,7 @@ void BKE_fluid_cache_free(FluidDomainSettings *mds, Object *ob, int cache_map)
 {
   char temp_dir[FILE_MAX];
   int flags = mds->cache_flag;
-  const char *relbase = modifier_path_relbase_from_global(ob);
+  const char *relbase = BKE_modifier_path_relbase_from_global(ob);
 
   if (cache_map & FLUID_DOMAIN_OUTDATED_DATA) {
     flags &= ~(FLUID_DOMAIN_BAKING_DATA | FLUID_DOMAIN_BAKED_DATA | FLUID_DOMAIN_OUTDATED_DATA);
@@ -1141,7 +1141,7 @@ static void update_obstacleflags(FluidDomainSettings *mds,
   /* Monitor active fields based on flow settings */
   for (coll_index = 0; coll_index < coll_ob_array_len; coll_index++) {
     Object *coll_ob = coll_ob_array[coll_index];
-    FluidModifierData *mmd2 = (FluidModifierData *)modifiers_findByType(coll_ob,
+    FluidModifierData *mmd2 = (FluidModifierData *)BKE_modifiers_findby_type(coll_ob,
                                                                         eModifierType_Fluid);
 
     /* Sanity check. */
@@ -1214,7 +1214,7 @@ static void compute_obstaclesemission(Scene *scene,
   /* Prepare effector maps. */
   for (int effec_index = 0; effec_index < numeffecobjs; effec_index++) {
     Object *effecobj = effecobjs[effec_index];
-    FluidModifierData *mmd2 = (FluidModifierData *)modifiers_findByType(effecobj,
+    FluidModifierData *mmd2 = (FluidModifierData *)BKE_modifiers_findby_type(effecobj,
                                                                         eModifierType_Fluid);
 
     /* Sanity check. */
@@ -1387,7 +1387,7 @@ static void update_obstacles(Depsgraph *depsgraph,
   /* Prepare grids from effector objects. */
   for (int effec_index = 0; effec_index < numeffecobjs; effec_index++) {
     Object *effecobj = effecobjs[effec_index];
-    FluidModifierData *mmd2 = (FluidModifierData *)modifiers_findByType(effecobj,
+    FluidModifierData *mmd2 = (FluidModifierData *)BKE_modifiers_findby_type(effecobj,
                                                                         eModifierType_Fluid);
 
     /* Sanity check. */
@@ -2627,7 +2627,7 @@ static void update_flowsflags(FluidDomainSettings *mds, Object **flowobjs, int n
   /* Monitor active fields based on flow settings */
   for (flow_index = 0; flow_index < numflowobj; flow_index++) {
     Object *flow_ob = flowobjs[flow_index];
-    FluidModifierData *mmd2 = (FluidModifierData *)modifiers_findByType(flow_ob,
+    FluidModifierData *mmd2 = (FluidModifierData *)BKE_modifiers_findby_type(flow_ob,
                                                                         eModifierType_Fluid);
 
     /* Sanity check. */
@@ -2758,7 +2758,7 @@ static void compute_flowsemission(Scene *scene,
   /* Prepare flow emission maps. */
   for (int flow_index = 0; flow_index < numflowobjs; flow_index++) {
     Object *flowobj = flowobjs[flow_index];
-    FluidModifierData *mmd2 = (FluidModifierData *)modifiers_findByType(flowobj,
+    FluidModifierData *mmd2 = (FluidModifierData *)BKE_modifiers_findby_type(flowobj,
                                                                         eModifierType_Fluid);
 
     /* Sanity check. */
@@ -2978,7 +2978,7 @@ static void update_flowsfluids(struct Depsgraph *depsgraph,
   /* Apply emission data for every flow object. */
   for (int flow_index = 0; flow_index < numflowobjs; flow_index++) {
     Object *flowobj = flowobjs[flow_index];
-    FluidModifierData *mmd2 = (FluidModifierData *)modifiers_findByType(flowobj,
+    FluidModifierData *mmd2 = (FluidModifierData *)BKE_modifiers_findby_type(flowobj,
                                                                         eModifierType_Fluid);
 
     /* Sanity check. */
@@ -3725,7 +3725,7 @@ static void BKE_fluid_modifier_processDomain(FluidModifierData *mmd,
   }
 
   /* Ensure cache directory is not relative. */
-  const char *relbase = modifier_path_relbase_from_global(ob);
+  const char *relbase = BKE_modifier_path_relbase_from_global(ob);
   BLI_path_abs(mds->cache_directory, relbase);
 
   /* Ensure that all flags are up to date before doing any baking and/or cache reading. */
@@ -3763,7 +3763,7 @@ static void BKE_fluid_modifier_processDomain(FluidModifierData *mmd,
   /* Guiding parent res pointer needs initialization. */
   guide_parent = mds->guide_parent;
   if (guide_parent) {
-    mmd_parent = (FluidModifierData *)modifiers_findByType(guide_parent, eModifierType_Fluid);
+    mmd_parent = (FluidModifierData *)BKE_modifiers_findby_type(guide_parent, eModifierType_Fluid);
     if (mmd_parent && mmd_parent->domain) {
       copy_v3_v3_int(mds->guide_res, mmd_parent->domain->res);
     }
@@ -4384,7 +4384,7 @@ static void manta_smoke_calc_transparency(FluidDomainSettings *mds, ViewLayer *v
  * returns fluid density or -1.0f if outside domain. */
 float BKE_fluid_get_velocity_at(struct Object *ob, float position[3], float velocity[3])
 {
-  FluidModifierData *mmd = (FluidModifierData *)modifiers_findByType(ob, eModifierType_Fluid);
+  FluidModifierData *mmd = (FluidModifierData *)BKE_modifiers_findby_type(ob, eModifierType_Fluid);
   zero_v3(velocity);
 
   if (mmd && (mmd->type & MOD_FLUID_TYPE_DOMAIN) && mmd->domain && mmd->domain->fluid) {
@@ -4491,11 +4491,11 @@ void BKE_fluid_particle_system_create(struct Main *bmain,
   BLI_addtail(&ob->particlesystem, psys);
 
   /* add modifier */
-  pmmd = (ParticleSystemModifierData *)modifier_new(eModifierType_ParticleSystem);
+  pmmd = (ParticleSystemModifierData *)BKE_modifier_new(eModifierType_ParticleSystem);
   BLI_strncpy(pmmd->modifier.name, psys_name, sizeof(pmmd->modifier.name));
   pmmd->psys = psys;
   BLI_addtail(&ob->modifiers, pmmd);
-  modifier_unique_name(&ob->modifiers, (ModifierData *)pmmd);
+  BKE_modifier_unique_name(&ob->modifiers, (ModifierData *)pmmd);
 }
 
 void BKE_fluid_particle_system_destroy(struct Object *ob, const int particle_type)
@@ -4509,7 +4509,7 @@ void BKE_fluid_particle_system_destroy(struct Object *ob, const int particle_typ
       /* clear modifier */
       pmmd = psys_get_modifier(ob, psys);
       BLI_remlink(&ob->modifiers, pmmd);
-      modifier_free((ModifierData *)pmmd);
+      BKE_modifier_free((ModifierData *)pmmd);
 
       /* clear particle system */
       BLI_remlink(&ob->particlesystem, psys);
@@ -4942,7 +4942,7 @@ void BKE_fluid_modifier_create_type_data(struct FluidModifierData *mmd)
 #endif
     char cache_name[64];
     BKE_fluid_cache_new_name_for_current_session(sizeof(cache_name), cache_name);
-    modifier_path_init(
+    BKE_modifier_path_init(
         mmd->domain->cache_directory, sizeof(mmd->domain->cache_directory), cache_name);
 
     /* time options */
diff --git a/source/blender/blenkernel/intern/hair.c b/source/blender/blenkernel/intern/hair.c
index 9d66b509c72..808c0347a37 100644
--- a/source/blender/blenkernel/intern/hair.c
+++ b/source/blender/blenkernel/intern/hair.c
@@ -263,13 +263,13 @@ static Hair *hair_evaluate_modifiers(struct Depsgraph *depsgraph,
   /* Get effective list of modifiers to execute. Some effects like shape keys
    * are added as virtual modifiers before the user created modifiers. */
   VirtualModifierData virtualModifierData;
-  ModifierData *md = modifiers_getVirtualModifierList(object, &virtualModifierData);
+  ModifierData *md = BKE_modifiers_get_virtual_modifierlist(object, &virtualModifierData);
 
   /* Evaluate modifiers. */
   for (; md; md = md->next) {
-    const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+    const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
 
-    if (!modifier_isEnabled(scene, md, required_mode)) {
+    if (!BKE_modifier_is_enabled(scene, md, required_mode)) {
       continue;
     }
 
diff --git a/source/blender/blenkernel/intern/lattice.c b/source/blender/blenkernel/intern/lattice.c
index 68893ad8877..cc130559b45 100644
--- a/source/blender/blenkernel/intern/lattice.c
+++ b/source/blender/blenkernel/intern/lattice.c
@@ -1119,7 +1119,7 @@ void BKE_lattice_modifiers_calc(struct Depsgraph *depsgraph, Scene *scene, Objec
    * otherwise we get already-modified coordinates. */
   Object *ob_orig = DEG_get_original_object(ob);
   VirtualModifierData virtualModifierData;
-  ModifierData *md = modifiers_getVirtualModifierList(ob, &virtualModifierData);
+  ModifierData *md = BKE_modifiers_get_virtual_modifierlist(ob, &virtualModifierData);
   float(*vert_coords)[3] = NULL;
   int numVerts, editmode = (lt->editlatt != NULL);
   const ModifierEvalContext mectx = {depsgraph, ob, 0};
@@ -1132,7 +1132,7 @@ void BKE_lattice_modifiers_calc(struct Depsgraph *depsgraph, Scene *scene, Objec
   }
 
   for (; md; md = md->next) {
-    const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+    const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
 
     if (!(mti->flags & eModifierTypeFlag_AcceptsVertexCosOnly)) {
       continue;
diff --git a/source/blender/blenkernel/intern/lib_query.c b/source/blender/blenkernel/intern/lib_query.c
index 46e18bba05d..898830165fe 100644
--- a/source/blender/blenkernel/intern/lib_query.c
+++ b/source/blender/blenkernel/intern/lib_query.c
@@ -881,7 +881,7 @@ static void library_foreach_ID_link(Main *bmain,
           }
         }
 
-        modifiers_foreachIDLink(object, library_foreach_modifiersForeachIDLink, &data);
+        BKE_modifiers_foreach_ID_link(object, library_foreach_modifiersForeachIDLink, &data);
         BKE_gpencil_modifiers_foreachIDLink(
             object, library_foreach_gpencil_modifiersForeachIDLink, &data);
         BKE_constraints_id_loop(
diff --git a/source/blender/blenkernel/intern/lib_remap.c b/source/blender/blenkernel/intern/lib_remap.c
index 72ae4629dba..ba986b1661b 100644
--- a/source/blender/blenkernel/intern/lib_remap.c
+++ b/source/blender/blenkernel/intern/lib_remap.c
@@ -334,7 +334,7 @@ static void libblock_remap_data_postprocess_obdata_relink(Main *bmain, Object *o
       default:
         break;
     }
-    test_object_modifiers(ob);
+    BKE_modifiers_test_object(ob);
     BKE_object_materials_test(bmain, ob, new_id);
   }
 }
diff --git a/source/blender/blenkernel/intern/mesh.c b/source/blender/blenkernel/intern/mesh.c
index da71f7915eb..aeef287bb87 100644
--- a/source/blender/blenkernel/intern/mesh.c
+++ b/source/blender/blenkernel/intern/mesh.c
@@ -1141,7 +1141,7 @@ void BKE_mesh_assign_object(Main *bmain, Object *ob, Mesh *me)
 
   BKE_object_materials_test(bmain, ob, (ID *)me);
 
-  test_object_modifiers(ob);
+  BKE_modifiers_test_object(ob);
 }
 
 void BKE_mesh_material_index_remove(Mesh *me, short index)
diff --git a/source/blender/blenkernel/intern/mesh_convert.c b/source/blender/blenkernel/intern/mesh_convert.c
index e7dbd7be664..655c70bcf61 100644
--- a/source/blender/blenkernel/intern/mesh_convert.c
+++ b/source/blender/blenkernel/intern/mesh_convert.c
@@ -1313,7 +1313,7 @@ Mesh *BKE_mesh_create_derived_for_modifier(struct Depsgraph *depsgraph,
                                            int build_shapekey_layers)
 {
   Mesh *me = ob_eval->runtime.data_orig ? ob_eval->runtime.data_orig : ob_eval->data;
-  const ModifierTypeInfo *mti = modifierType_getInfo(md_eval->type);
+  const ModifierTypeInfo *mti = BKE_modifier_get_info(md_eval->type);
   Mesh *result;
   KeyBlock *kb;
   ModifierEvalContext mectx = {depsgraph, ob_eval, MOD_APPLY_TO_BASE_MESH};
diff --git a/source/blender/blenkernel/intern/modifier.c b/source/blender/blenkernel/intern/modifier.c
index 4b05f4635a2..b3844d49cf6 100644
--- a/source/blender/blenkernel/intern/modifier.c
+++ b/source/blender/blenkernel/intern/modifier.c
@@ -59,7 +59,7 @@
 #include "BKE_multires.h"
 #include "BKE_object.h"
 
-/* may move these, only for modifier_path_relbase */
+/* may move these, only for BKE_modifier_path_relbase */
 #include "BKE_main.h"
 /* end */
 
@@ -82,21 +82,21 @@ void BKE_modifier_init(void)
   modifier_type_init(modifier_types); /* MOD_utils.c */
 
   /* Initialize global cmmon storage used for virtual modifier list */
-  md = modifier_new(eModifierType_Armature);
+  md = BKE_modifier_new(eModifierType_Armature);
   virtualModifierCommonData.amd = *((ArmatureModifierData *)md);
-  modifier_free(md);
+  BKE_modifier_free(md);
 
-  md = modifier_new(eModifierType_Curve);
+  md = BKE_modifier_new(eModifierType_Curve);
   virtualModifierCommonData.cmd = *((CurveModifierData *)md);
-  modifier_free(md);
+  BKE_modifier_free(md);
 
-  md = modifier_new(eModifierType_Lattice);
+  md = BKE_modifier_new(eModifierType_Lattice);
   virtualModifierCommonData.lmd = *((LatticeModifierData *)md);
-  modifier_free(md);
+  BKE_modifier_free(md);
 
-  md = modifier_new(eModifierType_ShapeKey);
+  md = BKE_modifier_new(eModifierType_ShapeKey);
   virtualModifierCommonData.smd = *((ShapeKeyModifierData *)md);
-  modifier_free(md);
+  BKE_modifier_free(md);
 
   virtualModifierCommonData.amd.modifier.mode |= eModifierMode_Virtual;
   virtualModifierCommonData.cmd.modifier.mode |= eModifierMode_Virtual;
@@ -104,7 +104,7 @@ void BKE_modifier_init(void)
   virtualModifierCommonData.smd.modifier.mode |= eModifierMode_Virtual;
 }
 
-const ModifierTypeInfo *modifierType_getInfo(ModifierType type)
+const ModifierTypeInfo *BKE_modifier_get_info(ModifierType type)
 {
   /* type unsigned, no need to check < 0 */
   if (type < NUM_MODIFIER_TYPES && modifier_types[type] && modifier_types[type]->name[0] != '\0') {
@@ -117,9 +117,9 @@ const ModifierTypeInfo *modifierType_getInfo(ModifierType type)
 
 /***/
 
-ModifierData *modifier_new(int type)
+ModifierData *BKE_modifier_new(int type)
 {
-  const ModifierTypeInfo *mti = modifierType_getInfo(type);
+  const ModifierTypeInfo *mti = BKE_modifier_get_info(type);
   ModifierData *md = MEM_callocN(mti->structSize, mti->structName);
 
   /* note, this name must be made unique later */
@@ -151,9 +151,9 @@ static void modifier_free_data_id_us_cb(void *UNUSED(userData),
   }
 }
 
-void modifier_free_ex(ModifierData *md, const int flag)
+void BKE_modifier_free_ex(ModifierData *md, const int flag)
 {
-  const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+  const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
 
   if ((flag & LIB_ID_CREATE_NO_USER_REFCOUNT) == 0) {
     if (mti->foreachIDLink) {
@@ -174,15 +174,15 @@ void modifier_free_ex(ModifierData *md, const int flag)
   MEM_freeN(md);
 }
 
-void modifier_free(ModifierData *md)
+void BKE_modifier_free(ModifierData *md)
 {
-  modifier_free_ex(md, 0);
+  BKE_modifier_free_ex(md, 0);
 }
 
-bool modifier_unique_name(ListBase *modifiers, ModifierData *md)
+bool BKE_modifier_unique_name(ListBase *modifiers, ModifierData *md)
 {
   if (modifiers && md) {
-    const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+    const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
 
     return BLI_uniquename(
         modifiers, md, DATA_(mti->name), '.', offsetof(ModifierData, name), sizeof(md->name));
@@ -190,24 +190,24 @@ bool modifier_unique_name(ListBase *modifiers, ModifierData *md)
   return false;
 }
 
-bool modifier_dependsOnTime(ModifierData *md)
+bool BKE_modifier_depends_ontime(ModifierData *md)
 {
-  const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+  const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
 
   return mti->dependsOnTime && mti->dependsOnTime(md);
 }
 
-bool modifier_supportsMapping(ModifierData *md)
+bool BKE_modifier_supports_mapping(ModifierData *md)
 {
-  const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+  const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
 
   return (mti->type == eModifierTypeType_OnlyDeform ||
           (mti->flags & eModifierTypeFlag_SupportsMapping));
 }
 
-bool modifier_isPreview(ModifierData *md)
+bool BKE_modifier_is_preview(ModifierData *md)
 {
-  const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+  const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
 
   /* Constructive modifiers are highly likely to also modify data like vgroups or vcol! */
   if (!((mti->flags & eModifierTypeFlag_UsesPreview) ||
@@ -222,7 +222,7 @@ bool modifier_isPreview(ModifierData *md)
   return false;
 }
 
-ModifierData *modifiers_findByType(Object *ob, ModifierType type)
+ModifierData *BKE_modifiers_findby_type(Object *ob, ModifierType type)
 {
   ModifierData *md = ob->modifiers.first;
 
@@ -235,12 +235,12 @@ ModifierData *modifiers_findByType(Object *ob, ModifierType type)
   return md;
 }
 
-ModifierData *modifiers_findByName(Object *ob, const char *name)
+ModifierData *BKE_modifiers_findny_name(Object *ob, const char *name)
 {
   return BLI_findstring(&(ob->modifiers), name, offsetof(ModifierData, name));
 }
 
-void modifiers_clearErrors(Object *ob)
+void BKE_modifiers_clear_errors(Object *ob)
 {
   ModifierData *md = ob->modifiers.first;
   /* int qRedraw = 0; */
@@ -255,12 +255,12 @@ void modifiers_clearErrors(Object *ob)
   }
 }
 
-void modifiers_foreachObjectLink(Object *ob, ObjectWalkFunc walk, void *userData)
+void BKE_modifiers_foreach_object_link(Object *ob, ObjectWalkFunc walk, void *userData)
 {
   ModifierData *md = ob->modifiers.first;
 
   for (; md; md = md->next) {
-    const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+    const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
 
     if (mti->foreachObjectLink) {
       mti->foreachObjectLink(md, ob, walk, userData);
@@ -268,12 +268,12 @@ void modifiers_foreachObjectLink(Object *ob, ObjectWalkFunc walk, void *userData
   }
 }
 
-void modifiers_foreachIDLink(Object *ob, IDWalkFunc walk, void *userData)
+void BKE_modifiers_foreach_ID_link(Object *ob, IDWalkFunc walk, void *userData)
 {
   ModifierData *md = ob->modifiers.first;
 
   for (; md; md = md->next) {
-    const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+    const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
 
     if (mti->foreachIDLink) {
       mti->foreachIDLink(md, ob, walk, userData);
@@ -286,12 +286,12 @@ void modifiers_foreachIDLink(Object *ob, IDWalkFunc walk, void *userData)
   }
 }
 
-void modifiers_foreachTexLink(Object *ob, TexWalkFunc walk, void *userData)
+void BKE_modifiers_foreach_tex_link(Object *ob, TexWalkFunc walk, void *userData)
 {
   ModifierData *md = ob->modifiers.first;
 
   for (; md; md = md->next) {
-    const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+    const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
 
     if (mti->foreachTexLink) {
       mti->foreachTexLink(md, ob, walk, userData);
@@ -302,11 +302,11 @@ void modifiers_foreachTexLink(Object *ob, TexWalkFunc walk, void *userData)
 /* callback's can use this
  * to avoid copying every member.
  */
-void modifier_copyData_generic(const ModifierData *md_src,
+void BKE_modifier_copydata_generic(const ModifierData *md_src,
                                ModifierData *md_dst,
                                const int UNUSED(flag))
 {
-  const ModifierTypeInfo *mti = modifierType_getInfo(md_src->type);
+  const ModifierTypeInfo *mti = BKE_modifier_get_info(md_src->type);
 
   /* md_dst may have already be fully initialized with some extra allocated data,
    * we need to free it now to avoid memleak. */
@@ -335,9 +335,9 @@ static void modifier_copy_data_id_us_cb(void *UNUSED(userData),
   }
 }
 
-void modifier_copyData_ex(ModifierData *md, ModifierData *target, const int flag)
+void BKE_modifier_copydata_ex(ModifierData *md, ModifierData *target, const int flag)
 {
-  const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+  const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
 
   target->mode = md->mode;
   target->flag = md->flag;
@@ -356,40 +356,40 @@ void modifier_copyData_ex(ModifierData *md, ModifierData *target, const int flag
   }
 }
 
-void modifier_copyData(ModifierData *md, ModifierData *target)
+void BKE_modifier_copydata(ModifierData *md, ModifierData *target)
 {
-  modifier_copyData_ex(md, target, 0);
+  BKE_modifier_copydata_ex(md, target, 0);
 }
 
-bool modifier_supportsCage(struct Scene *scene, ModifierData *md)
+bool BKE_modifier_supports_cage(struct Scene *scene, ModifierData *md)
 {
-  const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+  const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
 
   return ((!mti->isDisabled || !mti->isDisabled(scene, md, 0)) &&
-          (mti->flags & eModifierTypeFlag_SupportsEditmode) && modifier_supportsMapping(md));
+          (mti->flags & eModifierTypeFlag_SupportsEditmode) && BKE_modifier_supports_mapping(md));
 }
 
-bool modifier_couldBeCage(struct Scene *scene, ModifierData *md)
+bool BKE_modifier_couldbe_cage(struct Scene *scene, ModifierData *md)
 {
-  const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+  const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
 
   return ((md->mode & eModifierMode_Realtime) && (md->mode & eModifierMode_Editmode) &&
-          (!mti->isDisabled || !mti->isDisabled(scene, md, 0)) && modifier_supportsMapping(md));
+          (!mti->isDisabled || !mti->isDisabled(scene, md, 0)) && BKE_modifier_supports_mapping(md));
 }
 
-bool modifier_isSameTopology(ModifierData *md)
+bool BKE_modifier_is_same_topology(ModifierData *md)
 {
-  const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+  const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
   return ELEM(mti->type, eModifierTypeType_OnlyDeform, eModifierTypeType_NonGeometrical);
 }
 
-bool modifier_isNonGeometrical(ModifierData *md)
+bool BKE_modifier_is_non_geometrical(ModifierData *md)
 {
-  const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+  const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
   return (mti->type == eModifierTypeType_NonGeometrical);
 }
 
-void modifier_setError(ModifierData *md, const char *_format, ...)
+void BKE_modifier_set_error(ModifierData *md, const char *_format, ...)
 {
   char buffer[512];
   va_list ap;
@@ -416,13 +416,13 @@ void modifier_setError(ModifierData *md, const char *_format, ...)
  * then is NULL)
  * also used for some mesh tools to give warnings
  */
-int modifiers_getCageIndex(struct Scene *scene,
+int BKE_modifiers_get_cage_index(struct Scene *scene,
                            Object *ob,
                            int *r_lastPossibleCageIndex,
                            bool is_virtual)
 {
   VirtualModifierData virtualModifierData;
-  ModifierData *md = (is_virtual) ? modifiers_getVirtualModifierList(ob, &virtualModifierData) :
+  ModifierData *md = (is_virtual) ? BKE_modifiers_get_virtual_modifierlist(ob, &virtualModifierData) :
                                     ob->modifiers.first;
   int i, cageIndex = -1;
 
@@ -433,7 +433,7 @@ int modifiers_getCageIndex(struct Scene *scene,
 
   /* Find the last modifier acting on the cage. */
   for (i = 0; md; i++, md = md->next) {
-    const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+    const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
     bool supports_mapping;
 
     if (mti->isDisabled && mti->isDisabled(scene, md, 0)) {
@@ -446,7 +446,7 @@ int modifiers_getCageIndex(struct Scene *scene,
       continue;
     }
 
-    supports_mapping = modifier_supportsMapping(md);
+    supports_mapping = BKE_modifier_supports_mapping(md);
     if (r_lastPossibleCageIndex && supports_mapping) {
       *r_lastPossibleCageIndex = i;
     }
@@ -470,30 +470,30 @@ int modifiers_getCageIndex(struct Scene *scene,
   return cageIndex;
 }
 
-bool modifiers_isSoftbodyEnabled(Object *ob)
+bool BKE_modifiers_is_softbody_enabled(Object *ob)
 {
-  ModifierData *md = modifiers_findByType(ob, eModifierType_Softbody);
+  ModifierData *md = BKE_modifiers_findby_type(ob, eModifierType_Softbody);
 
   return (md && md->mode & (eModifierMode_Realtime | eModifierMode_Render));
 }
 
-bool modifiers_isClothEnabled(Object *ob)
+bool BKE_modifiers_is_cloth_enabled(Object *ob)
 {
-  ModifierData *md = modifiers_findByType(ob, eModifierType_Cloth);
+  ModifierData *md = BKE_modifiers_findby_type(ob, eModifierType_Cloth);
 
   return (md && md->mode & (eModifierMode_Realtime | eModifierMode_Render));
 }
 
-bool modifiers_isModifierEnabled(Object *ob, int modifierType)
+bool BKE_modifiers_is_modifier_enabled(Object *ob, int modifierType)
 {
-  ModifierData *md = modifiers_findByType(ob, modifierType);
+  ModifierData *md = BKE_modifiers_findby_type(ob, modifierType);
 
   return (md && md->mode & (eModifierMode_Realtime | eModifierMode_Render));
 }
 
-bool modifiers_isParticleEnabled(Object *ob)
+bool BKE_modifiers_is_particle_enabled(Object *ob)
 {
-  ModifierData *md = modifiers_findByType(ob, eModifierType_ParticleSystem);
+  ModifierData *md = BKE_modifiers_findby_type(ob, eModifierType_ParticleSystem);
 
   return (md && md->mode & (eModifierMode_Realtime | eModifierMode_Render));
 }
@@ -504,9 +504,9 @@ bool modifiers_isParticleEnabled(Object *ob)
  * \param scene: Current scene, may be NULL,
  * in which case isDisabled callback of the modifier is never called.
  */
-bool modifier_isEnabled(const struct Scene *scene, ModifierData *md, int required_mode)
+bool BKE_modifier_is_enabled(const struct Scene *scene, ModifierData *md, int required_mode)
 {
-  const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+  const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
 
   if ((md->mode & required_mode) != required_mode) {
     return false;
@@ -526,7 +526,7 @@ bool modifier_isEnabled(const struct Scene *scene, ModifierData *md, int require
   return true;
 }
 
-CDMaskLink *modifiers_calcDataMasks(struct Scene *scene,
+CDMaskLink *BKE_modifier_calc_data_masks(struct Scene *scene,
                                     Object *ob,
                                     ModifierData *md,
                                     CustomData_MeshMasks *final_datamask,
@@ -540,11 +540,11 @@ CDMaskLink *modifiers_calcDataMasks(struct Scene *scene,
 
   /* build a list of modifier data requirements in reverse order */
   for (; md; md = md->next) {
-    const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+    const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
 
     curr = MEM_callocN(sizeof(CDMaskLink), "CDMaskLink");
 
-    if (modifier_isEnabled(scene, md, required_mode)) {
+    if (BKE_modifier_is_enabled(scene, md, required_mode)) {
       if (mti->type == eModifierTypeType_OnlyDeform) {
         have_deform_modifier = true;
       }
@@ -594,7 +594,7 @@ CDMaskLink *modifiers_calcDataMasks(struct Scene *scene,
   return dataMasks;
 }
 
-ModifierData *modifiers_getLastPreview(struct Scene *scene, ModifierData *md, int required_mode)
+ModifierData *BKE_modifier_get_last_preview(struct Scene *scene, ModifierData *md, int required_mode)
 {
   ModifierData *tmp_md = NULL;
 
@@ -604,7 +604,7 @@ ModifierData *modifiers_getLastPreview(struct Scene *scene, ModifierData *md, in
 
   /* Find the latest modifier in stack generating preview. */
   for (; md; md = md->next) {
-    if (modifier_isEnabled(scene, md, required_mode) && modifier_isPreview(md)) {
+    if (BKE_modifier_is_enabled(scene, md, required_mode) && BKE_modifier_is_preview(md)) {
       tmp_md = md;
     }
   }
@@ -613,7 +613,7 @@ ModifierData *modifiers_getLastPreview(struct Scene *scene, ModifierData *md, in
 
 /* This is to include things that are not modifiers in the evaluation of the modifier stack, for
  * example parenting to an armature. */
-ModifierData *modifiers_getVirtualModifierList(const Object *ob,
+ModifierData *BKE_modifiers_get_virtual_modifierlist(const Object *ob,
                                                VirtualModifierData *virtualModifierData)
 {
   ModifierData *md;
@@ -661,10 +661,10 @@ ModifierData *modifiers_getVirtualModifierList(const Object *ob,
 /* Takes an object and returns its first selected armature, else just its armature
  * This should work for multiple armatures per object
  */
-Object *modifiers_isDeformedByArmature(Object *ob)
+Object *BKE_modifiers_is_deformed_by_armature(Object *ob)
 {
   VirtualModifierData virtualModifierData;
-  ModifierData *md = modifiers_getVirtualModifierList(ob, &virtualModifierData);
+  ModifierData *md = BKE_modifiers_get_virtual_modifierlist(ob, &virtualModifierData);
   ArmatureModifierData *amd = NULL;
 
   /* return the first selected armature, this lets us use multiple armatures */
@@ -684,10 +684,10 @@ Object *modifiers_isDeformedByArmature(Object *ob)
   return NULL;
 }
 
-Object *modifiers_isDeformedByMeshDeform(Object *ob)
+Object *BKE_modifiers_is_deformed_by_meshdeform(Object *ob)
 {
   VirtualModifierData virtualModifierData;
-  ModifierData *md = modifiers_getVirtualModifierList(ob, &virtualModifierData);
+  ModifierData *md = BKE_modifiers_get_virtual_modifierlist(ob, &virtualModifierData);
   MeshDeformModifierData *mdmd = NULL;
 
   /* return the first selected armature, this lets us use multiple armatures */
@@ -710,10 +710,10 @@ Object *modifiers_isDeformedByMeshDeform(Object *ob)
 /* Takes an object and returns its first selected lattice, else just its lattice
  * This should work for multiple lattices per object
  */
-Object *modifiers_isDeformedByLattice(Object *ob)
+Object *BKE_modifiers_is_deformed_by_lattice(Object *ob)
 {
   VirtualModifierData virtualModifierData;
-  ModifierData *md = modifiers_getVirtualModifierList(ob, &virtualModifierData);
+  ModifierData *md = BKE_modifiers_get_virtual_modifierlist(ob, &virtualModifierData);
   LatticeModifierData *lmd = NULL;
 
   /* return the first selected lattice, this lets us use multiple lattices */
@@ -736,10 +736,10 @@ Object *modifiers_isDeformedByLattice(Object *ob)
 /* Takes an object and returns its first selected curve, else just its curve
  * This should work for multiple curves per object
  */
-Object *modifiers_isDeformedByCurve(Object *ob)
+Object *BKE_modifiers_is_deformed_by_curve(Object *ob)
 {
   VirtualModifierData virtualModifierData;
-  ModifierData *md = modifiers_getVirtualModifierList(ob, &virtualModifierData);
+  ModifierData *md = BKE_modifiers_get_virtual_modifierlist(ob, &virtualModifierData);
   CurveModifierData *cmd = NULL;
 
   /* return the first selected curve, this lets us use multiple curves */
@@ -759,10 +759,10 @@ Object *modifiers_isDeformedByCurve(Object *ob)
   return NULL;
 }
 
-bool modifiers_usesMultires(Object *ob)
+bool BKE_modifiers_uses_multires(Object *ob)
 {
   VirtualModifierData virtualModifierData;
-  ModifierData *md = modifiers_getVirtualModifierList(ob, &virtualModifierData);
+  ModifierData *md = BKE_modifiers_get_virtual_modifierlist(ob, &virtualModifierData);
   MultiresModifierData *mmd = NULL;
 
   for (; md; md = md->next) {
@@ -776,10 +776,10 @@ bool modifiers_usesMultires(Object *ob)
   return false;
 }
 
-bool modifiers_usesArmature(Object *ob, bArmature *arm)
+bool BKE_modifiers_uses_armature(Object *ob, bArmature *arm)
 {
   VirtualModifierData virtualModifierData;
-  ModifierData *md = modifiers_getVirtualModifierList(ob, &virtualModifierData);
+  ModifierData *md = BKE_modifiers_get_virtual_modifierlist(ob, &virtualModifierData);
 
   for (; md; md = md->next) {
     if (md->type == eModifierType_Armature) {
@@ -793,13 +793,13 @@ bool modifiers_usesArmature(Object *ob, bArmature *arm)
   return false;
 }
 
-bool modifiers_usesSubsurfFacedots(struct Scene *scene, Object *ob)
+bool BKE_modifiers_uses_subsurf_facedots(struct Scene *scene, Object *ob)
 {
   /* Search (backward) in the modifier stack to find if we have a subsurf modifier (enabled) before
    * the last modifier displayed on cage (or if the subsurf is the last). */
   VirtualModifierData virtualModifierData;
-  ModifierData *md = modifiers_getVirtualModifierList(ob, &virtualModifierData);
-  int cage_index = modifiers_getCageIndex(scene, ob, NULL, 1);
+  ModifierData *md = BKE_modifiers_get_virtual_modifierlist(ob, &virtualModifierData);
+  int cage_index = BKE_modifiers_get_cage_index(scene, ob, NULL, 1);
   if (cage_index == -1) {
     return false;
   }
@@ -809,10 +809,10 @@ bool modifiers_usesSubsurfFacedots(struct Scene *scene, Object *ob)
   }
   /* Now from this point, search for subsurf modifier. */
   for (; md; md = md->prev) {
-    const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+    const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
     if (md->type == eModifierType_Subsurf) {
       ModifierMode mode = eModifierMode_Realtime | eModifierMode_Editmode;
-      if (modifier_isEnabled(scene, md, mode)) {
+      if (BKE_modifier_is_enabled(scene, md, mode)) {
         return true;
       }
     }
@@ -828,48 +828,33 @@ bool modifiers_usesSubsurfFacedots(struct Scene *scene, Object *ob)
   return false;
 }
 
-bool modifier_isCorrectableDeformed(ModifierData *md)
+bool BKE_modifier_is_correctable_deformed(ModifierData *md)
 {
-  const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+  const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
   return mti->deformMatricesEM != NULL;
 }
 
-bool modifiers_isCorrectableDeformed(struct Scene *scene, Object *ob)
+bool BKE_modifiers_is_correctable_deformed(struct Scene *scene, Object *ob)
 {
   VirtualModifierData virtualModifierData;
-  ModifierData *md = modifiers_getVirtualModifierList(ob, &virtualModifierData);
+  ModifierData *md = BKE_modifiers_get_virtual_modifierlist(ob, &virtualModifierData);
   int required_mode = eModifierMode_Realtime;
 
   if (ob->mode == OB_MODE_EDIT) {
     required_mode |= eModifierMode_Editmode;
   }
   for (; md; md = md->next) {
-    if (!modifier_isEnabled(scene, md, required_mode)) {
+    if (!BKE_modifier_is_enabled(scene, md, required_mode)) {
       /* pass */
     }
-    else if (modifier_isCorrectableDeformed(md)) {
+    else if (BKE_modifier_is_correctable_deformed(md)) {
       return true;
     }
   }
   return false;
 }
 
-/* Check whether the given object has a modifier in its stack that uses WEIGHT_MCOL CD layer
- * to preview something... Used by DynamicPaint and WeightVG currently. */
-bool modifiers_isPreview(Object *ob)
-{
-  ModifierData *md = ob->modifiers.first;
-
-  for (; md; md = md->next) {
-    if (modifier_isPreview(md)) {
-      return true;
-    }
-  }
-
-  return false;
-}
-
-void modifier_freeTemporaryData(ModifierData *md)
+void BKE_modifier_free_temporary_data(ModifierData *md)
 {
   if (md->type == eModifierType_Armature) {
     ArmatureModifierData *amd = (ArmatureModifierData *)md;
@@ -882,7 +867,7 @@ void modifier_freeTemporaryData(ModifierData *md)
 }
 
 /* ensure modifier correctness when changing ob->data */
-void test_object_modifiers(Object *ob)
+void BKE_modifiers_test_object(Object *ob)
 {
   ModifierData *md;
 
@@ -913,7 +898,7 @@ void test_object_modifiers(Object *ob)
  * - else if the file has been saved return the blend file path.
  * - else if the file isn't saved and the ID isn't from a library, return the temp dir.
  */
-const char *modifier_path_relbase(Main *bmain, Object *ob)
+const char *BKE_modifier_path_relbase(Main *bmain, Object *ob)
 {
   if (G.relbase_valid || ID_IS_LINKED(ob)) {
     return ID_BLEND_PATH(bmain, &ob->id);
@@ -925,7 +910,7 @@ const char *modifier_path_relbase(Main *bmain, Object *ob)
   }
 }
 
-const char *modifier_path_relbase_from_global(Object *ob)
+const char *BKE_modifier_path_relbase_from_global(Object *ob)
 {
   if (G.relbase_valid || ID_IS_LINKED(ob)) {
     return ID_BLEND_PATH_FROM_GLOBAL(&ob->id);
@@ -938,7 +923,7 @@ const char *modifier_path_relbase_from_global(Object *ob)
 }
 
 /* initializes the path with either */
-void modifier_path_init(char *path, int path_maxlen, const char *name)
+void BKE_modifier_path_init(char *path, int path_maxlen, const char *name)
 {
   /* elubie: changed this to default to the same dir as the render output
    * to prevent saving to C:\ on Windows */
@@ -947,9 +932,9 @@ void modifier_path_init(char *path, int path_maxlen, const char *name)
 
 /* wrapper around ModifierTypeInfo.modifyMesh that ensures valid normals */
 
-struct Mesh *modwrap_modifyMesh(ModifierData *md, const ModifierEvalContext *ctx, struct Mesh *me)
+struct Mesh *BKE_modifier_modify_mesh(ModifierData *md, const ModifierEvalContext *ctx, struct Mesh *me)
 {
-  const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+  const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
   BLI_assert(CustomData_has_layer(&me->pdata, CD_NORMAL) == false);
 
   if (mti->dependsOnNormals && mti->dependsOnNormals(md)) {
@@ -958,13 +943,13 @@ struct Mesh *modwrap_modifyMesh(ModifierData *md, const ModifierEvalContext *ctx
   return mti->modifyMesh(md, ctx, me);
 }
 
-void modwrap_deformVerts(ModifierData *md,
+void BKE_modifier_deform_verts(ModifierData *md,
                          const ModifierEvalContext *ctx,
                          Mesh *me,
                          float (*vertexCos)[3],
                          int numVerts)
 {
-  const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+  const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
   BLI_assert(!me || CustomData_has_layer(&me->pdata, CD_NORMAL) == false);
 
   if (me && mti->dependsOnNormals && mti->dependsOnNormals(md)) {
@@ -973,14 +958,14 @@ void modwrap_deformVerts(ModifierData *md,
   mti->deformVerts(md, ctx, me, vertexCos, numVerts);
 }
 
-void modwrap_deformVertsEM(ModifierData *md,
+void BKE_modifier_deform_vertsEM(ModifierData *md,
                            const ModifierEvalContext *ctx,
                            struct BMEditMesh *em,
                            Mesh *me,
                            float (*vertexCos)[3],
                            int numVerts)
 {
-  const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+  const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
   BLI_assert(!me || CustomData_has_layer(&me->pdata, CD_NORMAL) == false);
 
   if (me && mti->dependsOnNormals && mti->dependsOnNormals(md)) {
@@ -1023,7 +1008,7 @@ Mesh *BKE_modifier_get_evaluated_mesh_from_evaluated_object(Object *ob_eval,
   return me;
 }
 
-ModifierData *modifier_get_original(ModifierData *md)
+ModifierData *BKE_modifier_get_original(ModifierData *md)
 {
   if (md->orig_modifier_data == NULL) {
     return md;
@@ -1031,11 +1016,11 @@ ModifierData *modifier_get_original(ModifierData *md)
   return md->orig_modifier_data;
 }
 
-struct ModifierData *modifier_get_evaluated(Depsgraph *depsgraph, Object *object, ModifierData *md)
+struct ModifierData *BKE_modifier_get_evaluated(Depsgraph *depsgraph, Object *object, ModifierData *md)
 {
   Object *object_eval = DEG_get_evaluated_object(depsgraph, object);
   if (object_eval == object) {
     return md;
   }
-  return modifiers_findByName(object_eval, md->name);
+  return BKE_modifiers_findny_name(object_eval, md->name);
 }
diff --git a/source/blender/blenkernel/intern/multires.c b/source/blender/blenkernel/intern/multires.c
index d79dbbb7d32..ae004738841 100644
--- a/source/blender/blenkernel/intern/multires.c
+++ b/source/blender/blenkernel/intern/multires.c
@@ -289,7 +289,7 @@ Mesh *BKE_multires_create_mesh(struct Depsgraph *depsgraph,
       .flag = MOD_APPLY_USECACHE | MOD_APPLY_IGNORE_SIMPLIFY,
   };
 
-  const ModifierTypeInfo *mti = modifierType_getInfo(mmd->modifier.type);
+  const ModifierTypeInfo *mti = BKE_modifier_get_info(mmd->modifier.type);
   Mesh *result = mti->modifyMesh(&mmd->modifier, &modifier_ctx, deformed_mesh);
 
   if (result == deformed_mesh) {
@@ -318,7 +318,7 @@ float (*BKE_multires_create_deformed_base_mesh_vert_coords(struct Depsgraph *dep
   const int required_mode = use_render ? eModifierMode_Render : eModifierMode_Realtime;
 
   VirtualModifierData virtual_modifier_data;
-  ModifierData *first_md = modifiers_getVirtualModifierList(&object_for_eval,
+  ModifierData *first_md = BKE_modifiers_get_virtual_modifierlist(&object_for_eval,
                                                             &virtual_modifier_data);
 
   Mesh *base_mesh = object->data;
@@ -327,13 +327,13 @@ float (*BKE_multires_create_deformed_base_mesh_vert_coords(struct Depsgraph *dep
   float(*deformed_verts)[3] = BKE_mesh_vert_coords_alloc(base_mesh, &num_deformed_verts);
 
   for (ModifierData *md = first_md; md != NULL; md = md->next) {
-    const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+    const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
 
     if (md == &mmd->modifier) {
       break;
     }
 
-    if (!modifier_isEnabled(scene_eval, md, required_mode)) {
+    if (!BKE_modifier_is_enabled(scene_eval, md, required_mode)) {
       continue;
     }
 
@@ -341,7 +341,7 @@ float (*BKE_multires_create_deformed_base_mesh_vert_coords(struct Depsgraph *dep
       break;
     }
 
-    modwrap_deformVerts(md, &mesh_eval_context, base_mesh, deformed_verts, num_deformed_verts);
+    BKE_modifier_deform_verts(md, &mesh_eval_context, base_mesh, deformed_verts, num_deformed_verts);
   }
 
   if (r_num_deformed_verts != NULL) {
@@ -356,7 +356,7 @@ MultiresModifierData *find_multires_modifier_before(Scene *scene, ModifierData *
 
   for (md = lastmd; md; md = md->prev) {
     if (md->type == eModifierType_Multires) {
-      if (modifier_isEnabled(scene, md, eModifierMode_Realtime)) {
+      if (BKE_modifier_is_enabled(scene, md, eModifierMode_Realtime)) {
         return (MultiresModifierData *)md;
       }
     }
@@ -380,7 +380,7 @@ MultiresModifierData *get_multires_modifier(Scene *scene, Object *ob, bool use_f
         firstmmd = (MultiresModifierData *)md;
       }
 
-      if (modifier_isEnabled(scene, md, eModifierMode_Realtime)) {
+      if (BKE_modifier_is_enabled(scene, md, eModifierMode_Realtime)) {
         mmd = (MultiresModifierData *)md;
         break;
       }
@@ -2193,10 +2193,10 @@ void multires_load_old(Object *ob, Mesh *me)
 
   /* Add a multires modifier to the object */
   md = ob->modifiers.first;
-  while (md && modifierType_getInfo(md->type)->type == eModifierTypeType_OnlyDeform) {
+  while (md && BKE_modifier_get_info(md->type)->type == eModifierTypeType_OnlyDeform) {
     md = md->next;
   }
-  mmd = (MultiresModifierData *)modifier_new(eModifierType_Multires);
+  mmd = (MultiresModifierData *)BKE_modifier_new(eModifierType_Multires);
   BLI_insertlinkbefore(&ob->modifiers, md, mmd);
 
   for (i = 0; i < me->mr->level_count - 1; i++) {
diff --git a/source/blender/blenkernel/intern/multires_reshape.c b/source/blender/blenkernel/intern/multires_reshape.c
index 480a1d0b2a0..448d1d7a24c 100644
--- a/source/blender/blenkernel/intern/multires_reshape.c
+++ b/source/blender/blenkernel/intern/multires_reshape.c
@@ -121,7 +121,7 @@ bool multiresModifier_reshapeFromDeformModifier(struct Depsgraph *depsgraph,
       .object = object,
       .flag = MOD_APPLY_USECACHE | MOD_APPLY_IGNORE_SIMPLIFY,
   };
-  modwrap_deformVerts(
+  BKE_modifier_deform_verts(
       deform_md, &modifier_ctx, multires_mesh, deformed_verts, multires_mesh->totvert);
   BKE_id_free(NULL, multires_mesh);
 
diff --git a/source/blender/blenkernel/intern/object.c b/source/blender/blenkernel/intern/object.c
index 5a13589f098..09f0f8aed3f 100644
--- a/source/blender/blenkernel/intern/object.c
+++ b/source/blender/blenkernel/intern/object.c
@@ -206,9 +206,9 @@ static void object_copy_data(Main *bmain, ID *id_dst, const ID *id_src, const in
   BLI_listbase_clear(&ob_dst->modifiers);
 
   LISTBASE_FOREACH (ModifierData *, md, &ob_src->modifiers) {
-    ModifierData *nmd = modifier_new(md->type);
+    ModifierData *nmd = BKE_modifier_new(md->type);
     BLI_strncpy(nmd->name, md->name, sizeof(nmd->name));
-    modifier_copyData_ex(md, nmd, flag_subdata);
+    BKE_modifier_copydata_ex(md, nmd, flag_subdata);
     BLI_addtail(&ob_dst->modifiers, nmd);
   }
 
@@ -434,7 +434,7 @@ void BKE_object_free_modifiers(Object *ob, const int flag)
   GpencilModifierData *gp_md;
 
   while ((md = BLI_pophead(&ob->modifiers))) {
-    modifier_free_ex(md, flag);
+    BKE_modifier_free_ex(md, flag);
   }
 
   while ((gp_md = BLI_pophead(&ob->greasepencil_modifiers))) {
@@ -510,7 +510,7 @@ bool BKE_object_support_modifier_type_check(const Object *ob, int modifier_type)
 {
   const ModifierTypeInfo *mti;
 
-  mti = modifierType_getInfo(modifier_type);
+  mti = BKE_modifier_get_info(modifier_type);
 
   /* Only geometry objects should be able to get modifiers [#25291] */
   if (ob->type == OB_HAIR) {
@@ -572,7 +572,7 @@ void BKE_object_link_modifiers(struct Object *ob_dst, const struct Object *ob_sr
           break;
       }
 
-      nmd = modifier_new(md->type);
+      nmd = BKE_modifier_new(md->type);
       BLI_strncpy(nmd->name, md->name, sizeof(nmd->name));
 
       if (md->type == eModifierType_Multires) {
@@ -581,9 +581,9 @@ void BKE_object_link_modifiers(struct Object *ob_dst, const struct Object *ob_sr
             ob_dst, (MultiresModifierData *)md, (MultiresModifierData *)nmd);
       }
 
-      modifier_copyData(md, nmd);
+      BKE_modifier_copydata(md, nmd);
       BLI_addtail(&ob_dst->modifiers, nmd);
-      modifier_unique_name(&ob_dst->modifiers, nmd);
+      BKE_modifier_unique_name(&ob_dst->modifiers, nmd);
     }
   }
 
@@ -1308,8 +1308,8 @@ ParticleSystem *BKE_object_copy_particlesystem(ParticleSystem *psys, const int f
   psys_copy_particles(psysn, psys);
 
   if (psys->clmd) {
-    psysn->clmd = (ClothModifierData *)modifier_new(eModifierType_Cloth);
-    modifier_copyData_ex((ModifierData *)psys->clmd, (ModifierData *)psysn->clmd, flag);
+    psysn->clmd = (ClothModifierData *)BKE_modifier_new(eModifierType_Cloth);
+    BKE_modifier_copydata_ex((ModifierData *)psys->clmd, (ModifierData *)psysn->clmd, flag);
     psys->hair_in_mesh = psys->hair_out_mesh = NULL;
   }
 
@@ -1462,7 +1462,7 @@ Object *BKE_object_pose_armature_get(Object *ob)
     return ob;
   }
 
-  ob = modifiers_isDeformedByArmature(ob);
+  ob = BKE_modifiers_is_deformed_by_armature(ob);
 
   /* Only use selected check when non-active. */
   if (BKE_object_pose_context_check(ob)) {
@@ -3896,16 +3896,16 @@ int BKE_object_is_modified(Scene *scene, Object *ob)
     ModifierData *md;
     VirtualModifierData virtualModifierData;
     /* cloth */
-    for (md = modifiers_getVirtualModifierList(ob, &virtualModifierData);
+    for (md = BKE_modifiers_get_virtual_modifierlist(ob, &virtualModifierData);
          md && (flag != (eModifierMode_Render | eModifierMode_Realtime));
          md = md->next) {
       if ((flag & eModifierMode_Render) == 0 &&
-          modifier_isEnabled(scene, md, eModifierMode_Render)) {
+          BKE_modifier_is_enabled(scene, md, eModifierMode_Render)) {
         flag |= eModifierMode_Render;
       }
 
       if ((flag & eModifierMode_Realtime) == 0 &&
-          modifier_isEnabled(scene, md, eModifierMode_Realtime)) {
+          BKE_modifier_is_enabled(scene, md, eModifierMode_Realtime)) {
         flag |= eModifierMode_Realtime;
       }
     }
@@ -4034,10 +4034,10 @@ int BKE_object_is_deform_modified(Scene *scene, Object *ob)
   }
 
   /* cloth */
-  for (md = modifiers_getVirtualModifierList(ob, &virtualModifierData);
+  for (md = BKE_modifiers_get_virtual_modifierlist(ob, &virtualModifierData);
        md && (flag != (eModifierMode_Render | eModifierMode_Realtime));
        md = md->next) {
-    const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+    const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
     bool can_deform = mti->type == eModifierTypeType_OnlyDeform || is_modifier_animated;
 
     if (!can_deform) {
@@ -4045,12 +4045,12 @@ int BKE_object_is_deform_modified(Scene *scene, Object *ob)
     }
 
     if (can_deform) {
-      if (!(flag & eModifierMode_Render) && modifier_isEnabled(scene, md, eModifierMode_Render)) {
+      if (!(flag & eModifierMode_Render) && BKE_modifier_is_enabled(scene, md, eModifierMode_Render)) {
         flag |= eModifierMode_Render;
       }
 
       if (!(flag & eModifierMode_Realtime) &&
-          modifier_isEnabled(scene, md, eModifierMode_Realtime)) {
+          BKE_modifier_is_enabled(scene, md, eModifierMode_Realtime)) {
         flag |= eModifierMode_Realtime;
       }
     }
@@ -4385,7 +4385,7 @@ KDTree_3d *BKE_object_as_kdtree(Object *ob, int *r_tot)
 
 bool BKE_object_modifier_use_time(Object *ob, ModifierData *md)
 {
-  if (modifier_dependsOnTime(md)) {
+  if (BKE_modifier_depends_ontime(md)) {
     return true;
   }
 
@@ -4529,7 +4529,7 @@ bool BKE_object_modifier_update_subframe(Depsgraph *depsgraph,
                                          int type)
 {
   const bool flush_to_original = DEG_is_active(depsgraph);
-  ModifierData *md = modifiers_findByType(ob, (ModifierType)type);
+  ModifierData *md = BKE_modifiers_findby_type(ob, (ModifierType)type);
   bConstraint *con;
 
   if (type == eModifierType_DynamicPaint) {
diff --git a/source/blender/blenkernel/intern/object_deform.c b/source/blender/blenkernel/intern/object_deform.c
index a75180867cb..6ca1442497a 100644
--- a/source/blender/blenkernel/intern/object_deform.c
+++ b/source/blender/blenkernel/intern/object_deform.c
@@ -620,7 +620,7 @@ bool *BKE_object_defgroup_validmap_get(Object *ob, const int defbase_tot)
 
   /* now loop through the armature modifiers and identify deform bones */
   for (md = ob->modifiers.first; md; md = !md->next && step1 ? (step1 = 0),
-      modifiers_getVirtualModifierList(ob, &virtualModifierData) :
+      BKE_modifiers_get_virtual_modifierlist(ob, &virtualModifierData) :
                                      md->next) {
     if (!(md->mode & (eModifierMode_Realtime | eModifierMode_Virtual))) {
       continue;
diff --git a/source/blender/blenkernel/intern/paint.c b/source/blender/blenkernel/intern/paint.c
index 4b90e320052..1a63bdbaf37 100644
--- a/source/blender/blenkernel/intern/paint.c
+++ b/source/blender/blenkernel/intern/paint.c
@@ -1406,11 +1406,11 @@ MultiresModifierData *BKE_sculpt_multires_active(Scene *scene, Object *ob)
     return NULL;
   }
 
-  for (md = modifiers_getVirtualModifierList(ob, &virtualModifierData); md; md = md->next) {
+  for (md = BKE_modifiers_get_virtual_modifierlist(ob, &virtualModifierData); md; md = md->next) {
     if (md->type == eModifierType_Multires) {
       MultiresModifierData *mmd = (MultiresModifierData *)md;
 
-      if (!modifier_isEnabled(scene, md, eModifierMode_Realtime)) {
+      if (!BKE_modifier_is_enabled(scene, md, eModifierMode_Realtime)) {
         continue;
       }
 
@@ -1443,12 +1443,12 @@ static bool sculpt_modifiers_active(Scene *scene, Sculpt *sd, Object *ob)
     return true;
   }
 
-  md = modifiers_getVirtualModifierList(ob, &virtualModifierData);
+  md = BKE_modifiers_get_virtual_modifierlist(ob, &virtualModifierData);
 
   /* exception for shape keys because we can edit those */
   for (; md; md = md->next) {
-    const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
-    if (!modifier_isEnabled(scene, md, eModifierMode_Realtime)) {
+    const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
+    if (!BKE_modifier_is_enabled(scene, md, eModifierMode_Realtime)) {
       continue;
     }
     if (md->type == eModifierType_Multires && (ob->mode & OB_MODE_SCULPT)) {
diff --git a/source/blender/blenkernel/intern/particle.c b/source/blender/blenkernel/intern/particle.c
index e5ebae02558..19342090eb7 100644
--- a/source/blender/blenkernel/intern/particle.c
+++ b/source/blender/blenkernel/intern/particle.c
@@ -583,7 +583,7 @@ void free_hair(Object *object, ParticleSystem *psys, int dynamics)
 
   if (psys->clmd) {
     if (dynamics) {
-      modifier_free((ModifierData *)psys->clmd);
+      BKE_modifier_free((ModifierData *)psys->clmd);
       psys->clmd = NULL;
       PTCacheID pid;
       BKE_ptcache_id_from_particles(&pid, object, psys);
@@ -735,7 +735,7 @@ void psys_free(Object *ob, ParticleSystem *psys)
      */
     free_hair(ob, psys, 0);
     if (psys->clmd != NULL) {
-      modifier_free((ModifierData *)psys->clmd);
+      BKE_modifier_free((ModifierData *)psys->clmd);
     }
 
     psys_free_particles(psys);
@@ -3585,9 +3585,9 @@ ModifierData *object_add_particle_system(Main *bmain, Scene *scene, Object *ob,
 
   psys->part = BKE_particlesettings_add(bmain, psys->name);
 
-  md = modifier_new(eModifierType_ParticleSystem);
+  md = BKE_modifier_new(eModifierType_ParticleSystem);
   BLI_strncpy(md->name, psys->name, sizeof(md->name));
-  modifier_unique_name(&ob->modifiers, md);
+  BKE_modifier_unique_name(&ob->modifiers, md);
 
   psmd = (ParticleSystemModifierData *)md;
   psmd->psys = psys;
@@ -3615,7 +3615,7 @@ void object_remove_particle_system(Main *bmain, Scene *UNUSED(scene), Object *ob
   }
 
   /* Clear particle system in fluid modifier. */
-  if ((md = modifiers_findByType(ob, eModifierType_Fluid))) {
+  if ((md = BKE_modifiers_findby_type(ob, eModifierType_Fluid))) {
     FluidModifierData *mmd = (FluidModifierData *)md;
 
     /* Clear particle system pointer in flow settings. */
@@ -3657,7 +3657,7 @@ void object_remove_particle_system(Main *bmain, Scene *UNUSED(scene), Object *ob
     }
   }
 
-  if ((md = modifiers_findByType(ob, eModifierType_DynamicPaint))) {
+  if ((md = BKE_modifiers_findby_type(ob, eModifierType_DynamicPaint))) {
     DynamicPaintModifierData *pmd = (DynamicPaintModifierData *)md;
     if (pmd->brush && pmd->brush->psys) {
       if (pmd->brush->psys == psys) {
@@ -3670,7 +3670,7 @@ void object_remove_particle_system(Main *bmain, Scene *UNUSED(scene), Object *ob
   psmd = psys_get_modifier(ob, psys);
   if (psmd) {
     BLI_remlink(&ob->modifiers, psmd);
-    modifier_free((ModifierData *)psmd);
+    BKE_modifier_free((ModifierData *)psmd);
   }
 
   /* Clear particle system. */
diff --git a/source/blender/blenkernel/intern/particle_system.c b/source/blender/blenkernel/intern/particle_system.c
index 83f1dca4b8c..e1f6d675b84 100644
--- a/source/blender/blenkernel/intern/particle_system.c
+++ b/source/blender/blenkernel/intern/particle_system.c
@@ -3450,7 +3450,7 @@ static void do_hair_dynamics(ParticleSimulationData *sim)
   bool realloc_roots;
 
   if (!psys->clmd) {
-    psys->clmd = (ClothModifierData *)modifier_new(eModifierType_Cloth);
+    psys->clmd = (ClothModifierData *)BKE_modifier_new(eModifierType_Cloth);
     psys->clmd->sim_parms->goalspring = 0.0f;
     psys->clmd->sim_parms->flags |= CLOTH_SIMSETTINGS_FLAG_RESIST_SPRING_COMPRESS;
     psys->clmd->coll_parms->flags &= ~CLOTH_COLLSETTINGS_FLAG_SELF;
@@ -4183,7 +4183,7 @@ static void particles_fluid_step(ParticleSimulationData *sim,
 #else
   {
     Object *ob = sim->ob;
-    FluidModifierData *mmd = (FluidModifierData *)modifiers_findByType(ob, eModifierType_Fluid);
+    FluidModifierData *mmd = (FluidModifierData *)BKE_modifiers_findby_type(ob, eModifierType_Fluid);
 
     if (mmd && mmd->domain && mmd->domain->fluid) {
       FluidDomainSettings *mds = mmd->domain;
diff --git a/source/blender/blenkernel/intern/pointcache.c b/source/blender/blenkernel/intern/pointcache.c
index 77b3f1580ac..5ee61667eca 100644
--- a/source/blender/blenkernel/intern/pointcache.c
+++ b/source/blender/blenkernel/intern/pointcache.c
@@ -583,7 +583,7 @@ static int ptcache_cloth_totpoint(void *cloth_v, int UNUSED(cfra))
 static void ptcache_cloth_error(void *cloth_v, const char *message)
 {
   ClothModifierData *clmd = cloth_v;
-  modifier_setError(&clmd->modifier, "%s", message);
+  BKE_modifier_set_error(&clmd->modifier, "%s", message);
 }
 
 #ifdef WITH_SMOKE
@@ -604,7 +604,7 @@ static int ptcache_smoke_totpoint(void *smoke_v, int UNUSED(cfra))
 static void ptcache_smoke_error(void *smoke_v, const char *message)
 {
   FluidModifierData *mmd = (FluidModifierData *)smoke_v;
-  modifier_setError(&mmd->modifier, "%s", message);
+  BKE_modifier_set_error(&mmd->modifier, "%s", message);
 }
 
 #  define SMOKE_CACHE_VERSION "1.04"
diff --git a/source/blender/blenkernel/intern/pointcloud.c b/source/blender/blenkernel/intern/pointcloud.c
index c943d30aaa5..79b16443122 100644
--- a/source/blender/blenkernel/intern/pointcloud.c
+++ b/source/blender/blenkernel/intern/pointcloud.c
@@ -227,13 +227,13 @@ static PointCloud *pointcloud_evaluate_modifiers(struct Depsgraph *depsgraph,
   /* Get effective list of modifiers to execute. Some effects like shape keys
    * are added as virtual modifiers before the user created modifiers. */
   VirtualModifierData virtualModifierData;
-  ModifierData *md = modifiers_getVirtualModifierList(object, &virtualModifierData);
+  ModifierData *md = BKE_modifiers_get_virtual_modifierlist(object, &virtualModifierData);
 
   /* Evaluate modifiers. */
   for (; md; md = md->next) {
-    const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+    const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
 
-    if (!modifier_isEnabled(scene, md, required_mode)) {
+    if (!BKE_modifier_is_enabled(scene, md, required_mode)) {
       continue;
     }
 
diff --git a/source/blender/blenkernel/intern/softbody.c b/source/blender/blenkernel/intern/softbody.c
index c358dde449f..d9e4258e232 100644
--- a/source/blender/blenkernel/intern/softbody.c
+++ b/source/blender/blenkernel/intern/softbody.c
@@ -285,7 +285,7 @@ static ccd_Mesh *ccd_mesh_make(Object *ob)
   float hull;
   int i;
 
-  cmd = (CollisionModifierData *)modifiers_findByType(ob, eModifierType_Collision);
+  cmd = (CollisionModifierData *)BKE_modifiers_findby_type(ob, eModifierType_Collision);
 
   /* first some paranoia checks */
   if (!cmd) {
@@ -371,7 +371,7 @@ static void ccd_mesh_update(Object *ob, ccd_Mesh *pccd_M)
   float hull;
   int i;
 
-  cmd = (CollisionModifierData *)modifiers_findByType(ob, eModifierType_Collision);
+  cmd = (CollisionModifierData *)BKE_modifiers_findby_type(ob, eModifierType_Collision);
 
   /* first some paranoia checks */
   if (!cmd) {
diff --git a/source/blender/blenkernel/intern/volume.cc b/source/blender/blenkernel/intern/volume.cc
index 325a3c0fc11..9e636c0ee8b 100644
--- a/source/blender/blenkernel/intern/volume.cc
+++ b/source/blender/blenkernel/intern/volume.cc
@@ -811,14 +811,14 @@ static Volume *volume_evaluate_modifiers(struct Depsgraph *depsgraph,
   /* Get effective list of modifiers to execute. Some effects like shape keys
    * are added as virtual modifiers before the user created modifiers. */
   VirtualModifierData virtualModifierData;
-  ModifierData *md = modifiers_getVirtualModifierList(object, &virtualModifierData);
+  ModifierData *md = BKE_modifiers_get_virtual_modifierlist(object, &virtualModifierData);
 
   /* Evaluate modifiers. */
   for (; md; md = md->next) {
-    const ModifierTypeInfo *mti = (const ModifierTypeInfo *)modifierType_getInfo(
+    const ModifierTypeInfo *mti = (const ModifierTypeInfo *)BKE_modifier_get_info(
         (ModifierType)md->type);
 
-    if (!modifier_isEnabled(scene, md, required_mode)) {
+    if (!BKE_modifier_is_enabled(scene, md, required_mode)) {
       continue;
     }
 
diff --git a/source/blender/blenloader/intern/readfile.c b/source/blender/blenloader/intern/readfile.c
index cf690b18931..1c86b4e2319 100644
--- a/source/blender/blenloader/intern/readfile.c
+++ b/source/blender/blenloader/intern/readfile.c
@@ -4849,7 +4849,7 @@ static void lib_link_particlesystems(FileData *fd, Object *ob, ID *id, ListBase
       /* particle modifier must be removed before particle system */
       ParticleSystemModifierData *psmd = psys_get_modifier(ob, psys);
       BLI_remlink(&ob->modifiers, psmd);
-      modifier_free((ModifierData *)psmd);
+      BKE_modifier_free((ModifierData *)psmd);
 
       BLI_remlink(particles, psys);
       MEM_freeN(psys);
@@ -5218,7 +5218,7 @@ static void lib_link_modifiers_common(void *userData, Object *ob, ID **idpoin, i
 
 static void lib_link_modifiers(FileData *fd, Object *ob)
 {
-  modifiers_foreachIDLink(ob, lib_link_modifiers_common, fd);
+  BKE_modifiers_foreach_ID_link(ob, lib_link_modifiers_common, fd);
 
   /* If linking from a library, clear 'local' library override flag. */
   if (ob->id.lib != NULL) {
@@ -5370,7 +5370,7 @@ static void lib_link_object(FileData *fd, Main *bmain, Object *ob)
   }
 
   {
-    FluidsimModifierData *fluidmd = (FluidsimModifierData *)modifiers_findByType(
+    FluidsimModifierData *fluidmd = (FluidsimModifierData *)BKE_modifiers_findby_type(
         ob, eModifierType_Fluidsim);
 
     if (fluidmd && fluidmd->fss) {
@@ -5380,7 +5380,7 @@ static void lib_link_object(FileData *fd, Main *bmain, Object *ob)
   }
 
   {
-    FluidModifierData *mmd = (FluidModifierData *)modifiers_findByType(ob, eModifierType_Fluid);
+    FluidModifierData *mmd = (FluidModifierData *)BKE_modifiers_findby_type(ob, eModifierType_Fluid);
 
     if (mmd && (mmd->type == MOD_FLUID_TYPE_DOMAIN) && mmd->domain) {
       /* Flag for refreshing the simulation after loading */
@@ -5522,7 +5522,7 @@ static ModifierData *modifier_replace_with_fluid(FileData *fd,
                                                  ListBase *modifiers,
                                                  ModifierData *old_modifier_data)
 {
-  ModifierData *new_modifier_data = modifier_new(eModifierType_Fluid);
+  ModifierData *new_modifier_data = BKE_modifier_new(eModifierType_Fluid);
   FluidModifierData *fluid_modifier_data = (FluidModifierData *)new_modifier_data;
 
   if (old_modifier_data->type == eModifierType_Fluidsim) {
@@ -5645,7 +5645,7 @@ static void direct_link_modifiers(FileData *fd, ListBase *lb, Object *ob)
       is_allocated = true;
     }
     /* if modifiers disappear, or for upward compatibility */
-    if (NULL == modifierType_getInfo(md->type)) {
+    if (NULL == BKE_modifier_get_info(md->type)) {
       md->type = eModifierType_None;
     }
 
@@ -6143,7 +6143,7 @@ static void direct_link_object(FileData *fd, Object *ob)
     if (paf->type == EFF_WAVE) {
       WaveEff *wav = (WaveEff *)paf;
       PartEff *next = paf->next;
-      WaveModifierData *wmd = (WaveModifierData *)modifier_new(eModifierType_Wave);
+      WaveModifierData *wmd = (WaveModifierData *)BKE_modifier_new(eModifierType_Wave);
 
       wmd->damp = wav->damp;
       wmd->flag = wav->flag;
@@ -6167,7 +6167,7 @@ static void direct_link_object(FileData *fd, Object *ob)
     if (paf->type == EFF_BUILD) {
       BuildEff *baf = (BuildEff *)paf;
       PartEff *next = paf->next;
-      BuildModifierData *bmd = (BuildModifierData *)modifier_new(eModifierType_Build);
+      BuildModifierData *bmd = (BuildModifierData *)BKE_modifier_new(eModifierType_Build);
 
       bmd->start = baf->sfra;
       bmd->length = baf->len;
@@ -6244,7 +6244,7 @@ static void direct_link_object(FileData *fd, Object *ob)
   link_list(fd, &ob->hooks);
   while (ob->hooks.first) {
     ObHook *hook = ob->hooks.first;
-    HookModifierData *hmd = (HookModifierData *)modifier_new(eModifierType_Hook);
+    HookModifierData *hmd = (HookModifierData *)BKE_modifier_new(eModifierType_Hook);
 
     hook->indexar = newdataadr(fd, hook->indexar);
     if (fd->flags & FD_FLAGS_SWITCH_ENDIAN) {
@@ -6266,7 +6266,7 @@ static void direct_link_object(FileData *fd, Object *ob)
     BLI_addhead(&ob->modifiers, hmd);
     BLI_remlink(&ob->hooks, hook);
 
-    modifier_unique_name(&ob->modifiers, (ModifierData *)hmd);
+    BKE_modifier_unique_name(&ob->modifiers, (ModifierData *)hmd);
 
     MEM_freeN(hook);
   }
@@ -11301,7 +11301,7 @@ static void expand_object(FileData *fd, Main *mainvar, Object *ob)
     data.fd = fd;
     data.mainvar = mainvar;
 
-    modifiers_foreachIDLink(ob, expand_object_expandModifiers, (void *)&data);
+    BKE_modifiers_foreach_ID_link(ob, expand_object_expandModifiers, (void *)&data);
   }
 
   /* expand_object_expandModifier() */
diff --git a/source/blender/blenloader/intern/versioning_250.c b/source/blender/blenloader/intern/versioning_250.c
index fe0d2293243..0cbb45c8e37 100644
--- a/source/blender/blenloader/intern/versioning_250.c
+++ b/source/blender/blenloader/intern/versioning_250.c
@@ -514,7 +514,7 @@ static void do_version_mdef_250(Main *main)
           mmd->bindcagecos = mmd->bindcos;
           mmd->bindcos = NULL;
 
-          modifier_mdef_compact_influences(md);
+          BKE_modifier_mdef_compact_influences(md);
         }
       }
     }
@@ -871,7 +871,7 @@ void blo_do_versions_250(FileData *fd, Library *lib, Main *bmain)
 
     for (ob = bmain->objects.first; ob; ob = ob->id.next) {
       /* fluid-sim stuff */
-      FluidsimModifierData *fluidmd = (FluidsimModifierData *)modifiers_findByType(
+      FluidsimModifierData *fluidmd = (FluidsimModifierData *)BKE_modifiers_findby_type(
           ob, eModifierType_Fluidsim);
       if (fluidmd) {
         fluidmd->fss->fmd = fluidmd;
@@ -918,7 +918,7 @@ void blo_do_versions_250(FileData *fd, Library *lib, Main *bmain)
 
       if (do_gravity) {
         for (md = ob->modifiers.first; md; md = md->next) {
-          ClothModifierData *clmd = (ClothModifierData *)modifiers_findByType(ob,
+          ClothModifierData *clmd = (ClothModifierData *)BKE_modifiers_findby_type(ob,
                                                                               eModifierType_Cloth);
           if (clmd) {
             clmd->sim_parms->effector_weights->global_gravity = clmd->sim_parms->gravity[2] /
@@ -1154,7 +1154,7 @@ void blo_do_versions_250(FileData *fd, Library *lib, Main *bmain)
       }
 
       for (ob = bmain->objects.first; ob; ob = ob->id.next) {
-        MultiresModifierData *mmd = (MultiresModifierData *)modifiers_findByType(
+        MultiresModifierData *mmd = (MultiresModifierData *)BKE_modifiers_findby_type(
             ob, eModifierType_Multires);
 
         if (mmd) {
@@ -1625,7 +1625,7 @@ void blo_do_versions_250(FileData *fd, Library *lib, Main *bmain)
             ArmatureModifierData *amd;
             bArmature *arm = (bArmature *)blo_do_versions_newlibadr(fd, lib, parent->data);
 
-            amd = (ArmatureModifierData *)modifier_new(eModifierType_Armature);
+            amd = (ArmatureModifierData *)BKE_modifier_new(eModifierType_Armature);
             amd->object = ob->parent;
             BLI_addtail((ListBase *)&ob->modifiers, amd);
             amd->deformflag = arm->deformflag;
@@ -1634,7 +1634,7 @@ void blo_do_versions_250(FileData *fd, Library *lib, Main *bmain)
           else if (parent->type == OB_LATTICE && ob->partype == PARSKEL) {
             LatticeModifierData *lmd;
 
-            lmd = (LatticeModifierData *)modifier_new(eModifierType_Lattice);
+            lmd = (LatticeModifierData *)BKE_modifier_new(eModifierType_Lattice);
             lmd->object = ob->parent;
             BLI_addtail((ListBase *)&ob->modifiers, lmd);
             ob->partype = PAROBJECT;
@@ -1642,7 +1642,7 @@ void blo_do_versions_250(FileData *fd, Library *lib, Main *bmain)
           else if (parent->type == OB_CURVE && ob->partype == PARCURVE) {
             CurveModifierData *cmd;
 
-            cmd = (CurveModifierData *)modifier_new(eModifierType_Curve);
+            cmd = (CurveModifierData *)BKE_modifier_new(eModifierType_Curve);
             cmd->object = ob->parent;
             BLI_addtail((ListBase *)&ob->modifiers, cmd);
             ob->partype = PAROBJECT;
diff --git a/source/blender/blenloader/intern/versioning_270.c b/source/blender/blenloader/intern/versioning_270.c
index 989efa9a1db..0ca6fd34535 100644
--- a/source/blender/blenloader/intern/versioning_270.c
+++ b/source/blender/blenloader/intern/versioning_270.c
@@ -841,7 +841,7 @@ void blo_do_versions_270(FileData *fd, Library *UNUSED(lib), Main *bmain)
     for (ob = bmain->objects.first; ob != NULL; ob = ob->id.next) {
       ModifierData *md;
       for (md = ob->modifiers.last; md != NULL; md = md->prev) {
-        if (modifier_unique_name(&ob->modifiers, md)) {
+        if (BKE_modifier_unique_name(&ob->modifiers, md)) {
           printf(
               "Warning: Object '%s' had several modifiers with the "
               "same name, renamed one of them to '%s'.\n",
diff --git a/source/blender/blenloader/intern/versioning_legacy.c b/source/blender/blenloader/intern/versioning_legacy.c
index ce039182572..8e505610c5a 100644
--- a/source/blender/blenloader/intern/versioning_legacy.c
+++ b/source/blender/blenloader/intern/versioning_legacy.c
@@ -1351,7 +1351,7 @@ void blo_do_versions_pre250(FileData *fd, Library *lib, Main *bmain)
         };
 
         if ((me->flag & ME_SUBSURF)) {
-          SubsurfModifierData *smd = (SubsurfModifierData *)modifier_new(eModifierType_Subsurf);
+          SubsurfModifierData *smd = (SubsurfModifierData *)BKE_modifier_new(eModifierType_Subsurf);
 
           smd->levels = MAX2(1, me->subdiv);
           smd->renderLevels = MAX2(1, me->subdivr);
@@ -1371,7 +1371,7 @@ void blo_do_versions_pre250(FileData *fd, Library *lib, Main *bmain)
 
           BLI_addtail(&ob->modifiers, smd);
 
-          modifier_unique_name(&ob->modifiers, (ModifierData *)smd);
+          BKE_modifier_unique_name(&ob->modifiers, (ModifierData *)smd);
         }
       }
 
@@ -1428,18 +1428,18 @@ void blo_do_versions_pre250(FileData *fd, Library *lib, Main *bmain)
         }
       }
 
-      if ((ob->softflag & OB_SB_ENABLE) && !modifiers_findByType(ob, eModifierType_Softbody)) {
+      if ((ob->softflag & OB_SB_ENABLE) && !BKE_modifiers_findby_type(ob, eModifierType_Softbody)) {
         if (ob->softflag & OB_SB_POSTDEF) {
           md = ob->modifiers.first;
 
-          while (md && modifierType_getInfo(md->type)->type == eModifierTypeType_OnlyDeform) {
+          while (md && BKE_modifier_get_info(md->type)->type == eModifierTypeType_OnlyDeform) {
             md = md->next;
           }
 
-          BLI_insertlinkbefore(&ob->modifiers, md, modifier_new(eModifierType_Softbody));
+          BLI_insertlinkbefore(&ob->modifiers, md, BKE_modifier_new(eModifierType_Softbody));
         }
         else {
-          BLI_addhead(&ob->modifiers, modifier_new(eModifierType_Softbody));
+          BLI_addhead(&ob->modifiers, BKE_modifier_new(eModifierType_Softbody));
         }
 
         ob->softflag &= ~OB_SB_ENABLE;
@@ -2271,7 +2271,7 @@ void blo_do_versions_pre250(FileData *fd, Library *lib, Main *bmain)
 
         BLI_addtail(&ob->particlesystem, psys);
 
-        md = modifier_new(eModifierType_ParticleSystem);
+        md = BKE_modifier_new(eModifierType_ParticleSystem);
         BLI_snprintf(md->name,
                      sizeof(md->name),
                      "ParticleSystem %i",
@@ -2357,7 +2357,7 @@ void blo_do_versions_pre250(FileData *fd, Library *lib, Main *bmain)
         }
 
         {
-          FluidsimModifierData *fluidmd = (FluidsimModifierData *)modifiers_findByType(
+          FluidsimModifierData *fluidmd = (FluidsimModifierData *)BKE_modifiers_findby_type(
               ob, eModifierType_Fluidsim);
           if (fluidmd && fluidmd->fss && fluidmd->fss->type == OB_FLUIDSIM_PARTICLE) {
             part->type = PART_FLUID;
@@ -2483,7 +2483,7 @@ void blo_do_versions_pre250(FileData *fd, Library *lib, Main *bmain)
 
     for (ob = bmain->objects.first; ob; ob = ob->id.next) {
       if (ob->fluidsimSettings) {
-        FluidsimModifierData *fluidmd = (FluidsimModifierData *)modifier_new(
+        FluidsimModifierData *fluidmd = (FluidsimModifierData *)BKE_modifier_new(
             eModifierType_Fluidsim);
         BLI_addhead(&ob->modifiers, (ModifierData *)fluidmd);
 
diff --git a/source/blender/blenloader/intern/writefile.c b/source/blender/blenloader/intern/writefile.c
index f49278f6c17..ec59d0c3aea 100644
--- a/source/blender/blenloader/intern/writefile.c
+++ b/source/blender/blenloader/intern/writefile.c
@@ -1646,7 +1646,7 @@ static void write_modifiers(WriteData *wd, ListBase *modbase)
   }
 
   for (md = modbase->first; md; md = md->next) {
-    const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+    const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
     if (mti == NULL) {
       return;
     }
diff --git a/source/blender/depsgraph/intern/builder/deg_builder_nodes.cc b/source/blender/depsgraph/intern/builder/deg_builder_nodes.cc
index 10307df0dc4..b8e0106a5f5 100644
--- a/source/blender/depsgraph/intern/builder/deg_builder_nodes.cc
+++ b/source/blender/depsgraph/intern/builder/deg_builder_nodes.cc
@@ -606,7 +606,7 @@ void DepsgraphNodeBuilder::build_object(int base_index,
     BuilderWalkUserData data;
     data.builder = this;
     data.is_parent_visible = is_visible;
-    modifiers_foreachIDLink(object, modifier_walk, &data);
+    BKE_modifiers_foreach_ID_link(object, modifier_walk, &data);
   }
   /* Grease Pencil Modifiers. */
   if (object->greasepencil_modifiers.first != nullptr) {
diff --git a/source/blender/depsgraph/intern/builder/deg_builder_relations.cc b/source/blender/depsgraph/intern/builder/deg_builder_relations.cc
index 56dc5170dd5..52ca2b31a15 100644
--- a/source/blender/depsgraph/intern/builder/deg_builder_relations.cc
+++ b/source/blender/depsgraph/intern/builder/deg_builder_relations.cc
@@ -660,7 +660,7 @@ void DepsgraphRelationBuilder::build_object(Base *base, Object *object)
   if (object->modifiers.first != nullptr) {
     BuilderWalkUserData data;
     data.builder = this;
-    modifiers_foreachIDLink(object, modifier_walk, &data);
+    BKE_modifiers_foreach_ID_link(object, modifier_walk, &data);
   }
   /* Grease Pencil Modifiers. */
   if (object->greasepencil_modifiers.first != nullptr) {
@@ -1973,7 +1973,7 @@ void DepsgraphRelationBuilder::build_object_data_geometry(Object *object)
     ctx.scene = scene_;
     ctx.object = object;
     LISTBASE_FOREACH (ModifierData *, md, &object->modifiers) {
-      const ModifierTypeInfo *mti = modifierType_getInfo((ModifierType)md->type);
+      const ModifierTypeInfo *mti = BKE_modifier_get_info((ModifierType)md->type);
       if (mti->updateDepsgraph) {
         DepsNodeHandle handle = create_node_handle(obdata_ubereval_key);
         ctx.node = reinterpret_cast<::DepsNodeHandle *>(&handle);
diff --git a/source/blender/depsgraph/intern/depsgraph_physics.cc b/source/blender/depsgraph/intern/depsgraph_physics.cc
index 97216df3cb1..380e6e99c5e 100644
--- a/source/blender/depsgraph/intern/depsgraph_physics.cc
+++ b/source/blender/depsgraph/intern/depsgraph_physics.cc
@@ -106,7 +106,7 @@ void DEG_add_collision_relations(DepsNodeHandle *handle,
       continue;
     }
     if (filter_function == nullptr ||
-        filter_function(ob1, modifiers_findByType(ob1, (ModifierType)modifier_type))) {
+        filter_function(ob1, BKE_modifiers_findby_type(ob1, (ModifierType)modifier_type))) {
       DEG_add_object_pointcache_relation(handle, ob1, DEG_OB_COMP_TRANSFORM, name);
       DEG_add_object_pointcache_relation(handle, ob1, DEG_OB_COMP_GEOMETRY, name);
     }
diff --git a/source/blender/depsgraph/intern/eval/deg_eval_runtime_backup_object.cc b/source/blender/depsgraph/intern/eval/deg_eval_runtime_backup_object.cc
index 2f45ea45197..2b172f824b6 100644
--- a/source/blender/depsgraph/intern/eval/deg_eval_runtime_backup_object.cc
+++ b/source/blender/depsgraph/intern/eval/deg_eval_runtime_backup_object.cc
@@ -166,7 +166,7 @@ void ObjectRuntimeBackup::restore_modifier_runtime_data(Object *object)
     if (value.second == nullptr) {
       continue;
     }
-    const ModifierTypeInfo *modifier_type_info = modifierType_getInfo(modifier_data_id.type);
+    const ModifierTypeInfo *modifier_type_info = BKE_modifier_get_info(modifier_data_id.type);
     BLI_assert(modifier_type_info != nullptr);
     modifier_type_info->freeRuntimeData(runtime);
   }
diff --git a/source/blender/draw/engines/eevee/eevee_volumes.c b/source/blender/draw/engines/eevee/eevee_volumes.c
index 63c96ac8c25..ad90c52b08e 100644
--- a/source/blender/draw/engines/eevee/eevee_volumes.c
+++ b/source/blender/draw/engines/eevee/eevee_volumes.c
@@ -487,8 +487,8 @@ static bool eevee_volume_object_mesh_init(Scene *scene,
 
   /* Smoke Simulation */
   if (((ob->base_flag & BASE_FROM_DUPLI) == 0) &&
-      (md = modifiers_findByType(ob, eModifierType_Fluid)) &&
-      (modifier_isEnabled(scene, md, eModifierMode_Realtime)) &&
+      (md = BKE_modifiers_findby_type(ob, eModifierType_Fluid)) &&
+      (BKE_modifier_is_enabled(scene, md, eModifierMode_Realtime)) &&
       ((FluidModifierData *)md)->domain != NULL) {
     FluidModifierData *mmd = (FluidModifierData *)md;
     FluidDomainSettings *mds = mmd->domain;
diff --git a/source/blender/draw/engines/overlay/overlay_armature.c b/source/blender/draw/engines/overlay/overlay_armature.c
index bbcfcaf777d..624eef8fa47 100644
--- a/source/blender/draw/engines/overlay/overlay_armature.c
+++ b/source/blender/draw/engines/overlay/overlay_armature.c
@@ -2204,7 +2204,7 @@ void OVERLAY_armature_cache_populate(OVERLAY_Data *vedata, Object *ob)
 
 static bool POSE_is_driven_by_active_armature(Object *ob)
 {
-  Object *ob_arm = modifiers_isDeformedByArmature(ob);
+  Object *ob_arm = BKE_modifiers_is_deformed_by_armature(ob);
   if (ob_arm) {
     const DRWContextState *draw_ctx = DRW_context_state_get();
     bool is_active = OVERLAY_armature_is_pose_mode(ob_arm, draw_ctx);
@@ -2214,7 +2214,7 @@ static bool POSE_is_driven_by_active_armature(Object *ob)
     return is_active;
   }
   else {
-    Object *ob_mesh_deform = modifiers_isDeformedByMeshDeform(ob);
+    Object *ob_mesh_deform = BKE_modifiers_is_deformed_by_meshdeform(ob);
     if (ob_mesh_deform) {
       /* Recursive. */
       return POSE_is_driven_by_active_armature(ob_mesh_deform);
diff --git a/source/blender/draw/engines/overlay/overlay_extra.c b/source/blender/draw/engines/overlay/overlay_extra.c
index 32085890f20..886322548e9 100644
--- a/source/blender/draw/engines/overlay/overlay_extra.c
+++ b/source/blender/draw/engines/overlay/overlay_extra.c
@@ -1506,8 +1506,8 @@ void OVERLAY_extra_cache_populate(OVERLAY_Data *vedata, Object *ob)
   const bool draw_xform = draw_ctx->object_mode == OB_MODE_OBJECT &&
                           (scene->toolsettings->transform_flag & SCE_XFORM_DATA_ORIGIN) &&
                           (ob->base_flag & BASE_SELECTED) && !is_select_mode;
-  const bool draw_volume = !from_dupli && (md = modifiers_findByType(ob, eModifierType_Fluid)) &&
-                           (modifier_isEnabled(scene, md, eModifierMode_Realtime)) &&
+  const bool draw_volume = !from_dupli && (md = BKE_modifiers_findby_type(ob, eModifierType_Fluid)) &&
+                           (BKE_modifier_is_enabled(scene, md, eModifierMode_Realtime)) &&
                            (((FluidModifierData *)md)->domain != NULL);
 
   float *color;
diff --git a/source/blender/draw/engines/workbench/workbench_engine.c b/source/blender/draw/engines/workbench/workbench_engine.c
index f3554f32205..a372c7a5bc2 100644
--- a/source/blender/draw/engines/workbench/workbench_engine.c
+++ b/source/blender/draw/engines/workbench/workbench_engine.c
@@ -315,8 +315,8 @@ void workbench_cache_populate(void *ved, Object *ob)
   }
 
   if (!(ob->base_flag & BASE_FROM_DUPLI)) {
-    ModifierData *md = modifiers_findByType(ob, eModifierType_Fluid);
-    if (md && modifier_isEnabled(wpd->scene, md, eModifierMode_Realtime)) {
+    ModifierData *md = BKE_modifiers_findby_type(ob, eModifierType_Fluid);
+    if (md && BKE_modifier_is_enabled(wpd->scene, md, eModifierMode_Realtime)) {
       FluidModifierData *fmd = (FluidModifierData *)md;
       if (fmd->domain && fmd->domain->type == FLUID_DOMAIN_TYPE_GAS) {
         workbench_volume_cache_populate(vedata, wpd->scene, ob, md, V3D_SHADING_SINGLE_COLOR);
diff --git a/source/blender/draw/intern/draw_cache_impl_mesh.c b/source/blender/draw/intern/draw_cache_impl_mesh.c
index 1aaead27ee7..11b106d3f63 100644
--- a/source/blender/draw/intern/draw_cache_impl_mesh.c
+++ b/source/blender/draw/intern/draw_cache_impl_mesh.c
@@ -1362,7 +1362,7 @@ void DRW_mesh_batch_cache_create_requested(
   }
 
   /* Meh loose Scene const correctness here. */
-  const bool use_subsurf_fdots = scene ? modifiers_usesSubsurfFacedots((Scene *)scene, ob) : false;
+  const bool use_subsurf_fdots = scene ? BKE_modifiers_uses_subsurf_facedots((Scene *)scene, ob) : false;
 
   if (do_uvcage) {
     mesh_buffer_cache_create_requested(cache,
diff --git a/source/blender/draw/intern/draw_manager.c b/source/blender/draw/intern/draw_manager.c
index e3c364eef6d..fc71b8b2af1 100644
--- a/source/blender/draw/intern/draw_manager.c
+++ b/source/blender/draw/intern/draw_manager.c
@@ -2025,7 +2025,7 @@ void DRW_draw_select_loop(struct Depsgraph *depsgraph,
         Object *obweight = OBWEIGHTPAINT_FROM_OBACT(obact);
         if (obweight) {
           /* Only use Armature pose selection, when connected armature is in pose mode. */
-          Object *ob_armature = modifiers_isDeformedByArmature(obweight);
+          Object *ob_armature = BKE_modifiers_is_deformed_by_armature(obweight);
           if (ob_armature && ob_armature->mode == OB_MODE_POSE) {
             obpose = ob_armature;
           }
diff --git a/source/blender/editors/animation/anim_filter.c b/source/blender/editors/animation/anim_filter.c
index 4c7c3a2c253..2b9dfe105bc 100644
--- a/source/blender/editors/animation/anim_filter.c
+++ b/source/blender/editors/animation/anim_filter.c
@@ -2428,7 +2428,7 @@ static size_t animdata_filter_ds_modifiers(
   afm.filter_mode = filter_mode;
 
   /* 2) walk over dependencies */
-  modifiers_foreachIDLink(ob, animfilter_modifier_idpoin_cb, &afm);
+  BKE_modifiers_foreach_ID_link(ob, animfilter_modifier_idpoin_cb, &afm);
 
   /* 3) extract data from the context, merging it back into the standard list */
   if (afm.items) {
diff --git a/source/blender/editors/armature/armature_naming.c b/source/blender/editors/armature/armature_naming.c
index aa1bceb2674..544d86d4c47 100644
--- a/source/blender/editors/armature/armature_naming.c
+++ b/source/blender/editors/armature/armature_naming.c
@@ -265,7 +265,7 @@ void ED_armature_bone_rename(Main *bmain,
         }
       }
 
-      if (modifiers_usesArmature(ob, arm)) {
+      if (BKE_modifiers_uses_armature(ob, arm)) {
         bDeformGroup *dg = BKE_object_defgroup_find_name(ob, oldname);
         if (dg) {
           BLI_strncpy(dg->name, newname, MAXBONENAME);
diff --git a/source/blender/editors/armature/armature_skinning.c b/source/blender/editors/armature/armature_skinning.c
index b637a57f7c0..61d8856afbc 100644
--- a/source/blender/editors/armature/armature_skinning.c
+++ b/source/blender/editors/armature/armature_skinning.c
@@ -418,7 +418,7 @@ static void add_verts_to_dgroups(ReportList *reports,
     BKE_mesh_foreach_mapped_vert_coords_get(me_eval, verts, mesh->totvert);
     vertsfilled = 1;
   }
-  else if (modifiers_findByType(ob, eModifierType_Subsurf)) {
+  else if (BKE_modifiers_findby_type(ob, eModifierType_Subsurf)) {
     /* is subsurf on? Lets use the verts on the limit surface then.
      * = same amount of vertices as mesh, but vertices  moved to the
      * subsurfed position, like for 'optimal'. */
diff --git a/source/blender/editors/armature/meshlaplacian.c b/source/blender/editors/armature/meshlaplacian.c
index 6028ddb216f..d8a6a22a7df 100644
--- a/source/blender/editors/armature/meshlaplacian.c
+++ b/source/blender/editors/armature/meshlaplacian.c
@@ -1549,7 +1549,7 @@ static void meshdeform_matrix_solve(MeshDeformModifierData *mmd, MeshDeformBind
       }
     }
     else {
-      modifier_setError(&mmd->modifier, "Failed to find bind solution (increase precision?)");
+      BKE_modifier_set_error(&mmd->modifier, "Failed to find bind solution (increase precision?)");
       error("Mesh Deform: failed to find bind solution.");
       break;
     }
@@ -1753,7 +1753,7 @@ void ED_mesh_deform_bind_callback(MeshDeformModifierData *mmd,
                                   int totvert,
                                   float cagemat[4][4])
 {
-  MeshDeformModifierData *mmd_orig = (MeshDeformModifierData *)modifier_get_original(
+  MeshDeformModifierData *mmd_orig = (MeshDeformModifierData *)BKE_modifier_get_original(
       &mmd->modifier);
   MeshDeformBind mdb;
   MVert *mvert;
@@ -1799,7 +1799,7 @@ void ED_mesh_deform_bind_callback(MeshDeformModifierData *mmd,
   MEM_freeN(mdb.vertexcos);
 
   /* compact weights */
-  modifier_mdef_compact_influences((ModifierData *)mmd_orig);
+  BKE_modifier_mdef_compact_influences((ModifierData *)mmd_orig);
 
   end_progress_bar();
   waitcursor(0);
diff --git a/source/blender/editors/armature/pose_select.c b/source/blender/editors/armature/pose_select.c
index ce652b0eaf4..9525fcf2154 100644
--- a/source/blender/editors/armature/pose_select.c
+++ b/source/blender/editors/armature/pose_select.c
@@ -263,7 +263,7 @@ void ED_armature_pose_select_in_wpaint_mode(ViewLayer *view_layer, Base *base_se
   Object *ob_active = OBACT(view_layer);
   BLI_assert(ob_active && (ob_active->mode & OB_MODE_WEIGHT_PAINT));
   VirtualModifierData virtualModifierData;
-  ModifierData *md = modifiers_getVirtualModifierList(ob_active, &virtualModifierData);
+  ModifierData *md = BKE_modifiers_get_virtual_modifierlist(ob_active, &virtualModifierData);
   for (; md; md = md->next) {
     if (md->type == eModifierType_Armature) {
       ArmatureModifierData *amd = (ArmatureModifierData *)md;
diff --git a/source/blender/editors/interface/interface_templates.c b/source/blender/editors/interface/interface_templates.c
index 75945cadbb9..bdc52207c5d 100644
--- a/source/blender/editors/interface/interface_templates.c
+++ b/source/blender/editors/interface/interface_templates.c
@@ -1818,14 +1818,14 @@ static void modifiers_convertToReal(bContext *C, void *ob_v, void *md_v)
 {
   Object *ob = ob_v;
   ModifierData *md = md_v;
-  ModifierData *nmd = modifier_new(md->type);
+  ModifierData *nmd = BKE_modifier_new(md->type);
 
-  modifier_copyData(md, nmd);
+  BKE_modifier_copydata(md, nmd);
   nmd->mode &= ~eModifierMode_Virtual;
 
   BLI_addhead(&ob->modifiers, nmd);
 
-  modifier_unique_name(&ob->modifiers, nmd);
+  BKE_modifier_unique_name(&ob->modifiers, nmd);
 
   ob->partype = PAROBJECT;
 
@@ -1889,7 +1889,7 @@ static uiLayout *draw_modifier(uiLayout *layout,
                                int cageIndex,
                                int lastCageIndex)
 {
-  const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+  const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
   PointerRNA ptr;
   uiBut *but;
   uiBlock *block;
@@ -1983,9 +1983,9 @@ static uiLayout *draw_modifier(uiLayout *layout,
     }
 
     if (ob->type == OB_MESH) {
-      if (modifier_supportsCage(scene, md) && (index <= lastCageIndex)) {
+      if (BKE_modifier_supports_cage(scene, md) && (index <= lastCageIndex)) {
         sub = uiLayoutRow(row, true);
-        if (index < cageIndex || !modifier_couldBeCage(scene, md)) {
+        if (index < cageIndex || !BKE_modifier_couldbe_cage(scene, md)) {
           uiLayoutSetActive(sub, false);
         }
         uiItemR(sub, &ptr, "show_on_cage", 0, "", ICON_NONE);
@@ -2081,7 +2081,7 @@ static uiLayout *draw_modifier(uiLayout *layout,
                     "apply_as",
                     MODIFIER_APPLY_DATA);
 
-        if (modifier_isSameTopology(md) && !modifier_isNonGeometrical(md)) {
+        if (BKE_modifier_is_same_topology(md) && !BKE_modifier_is_non_geometrical(md)) {
           uiItemEnumO(row,
                       "OBJECT_OT_modifier_apply",
                       CTX_IFACE_(BLT_I18NCONTEXT_OPERATOR_DEFAULT, "Apply as Shape Key"),
@@ -2148,10 +2148,10 @@ uiLayout *uiTemplateModifier(uiLayout *layout, bContext *C, PointerRNA *ptr)
   UI_block_lock_set(uiLayoutGetBlock(layout), (ob && ID_IS_LINKED(ob)), ERROR_LIBDATA_MESSAGE);
 
   /* find modifier and draw it */
-  cageIndex = modifiers_getCageIndex(scene, ob, &lastCageIndex, 0);
+  cageIndex = BKE_modifiers_get_cage_index(scene, ob, &lastCageIndex, 0);
 
   /* XXX virtual modifiers are not accessible for python */
-  vmd = modifiers_getVirtualModifierList(ob, &virtualModifierData);
+  vmd = BKE_modifiers_get_virtual_modifierlist(ob, &virtualModifierData);
 
   for (i = 0; vmd; i++, vmd = vmd->next) {
     if (md == vmd) {
diff --git a/source/blender/editors/mesh/editmesh_loopcut.c b/source/blender/editors/mesh/editmesh_loopcut.c
index 37bacb4af55..28e0c40fe41 100644
--- a/source/blender/editors/mesh/editmesh_loopcut.c
+++ b/source/blender/editors/mesh/editmesh_loopcut.c
@@ -372,7 +372,7 @@ static int loopcut_init(bContext *C, wmOperator *op, const wmEvent *event)
   if (is_interactive) {
     for (uint base_index = 0; base_index < bases_len; base_index++) {
       Object *ob_iter = bases[base_index]->object;
-      if (modifiers_isDeformedByLattice(ob_iter) || modifiers_isDeformedByArmature(ob_iter)) {
+      if (BKE_modifiers_is_deformed_by_lattice(ob_iter) || BKE_modifiers_is_deformed_by_armature(ob_iter)) {
         BKE_report(
             op->reports, RPT_WARNING, "Loop cut does not work well on deformed edit mesh display");
         break;
diff --git a/source/blender/editors/mesh/editmesh_mask_extract.c b/source/blender/editors/mesh/editmesh_mask_extract.c
index 3a0a028468d..225776a452b 100644
--- a/source/blender/editors/mesh/editmesh_mask_extract.c
+++ b/source/blender/editors/mesh/editmesh_mask_extract.c
@@ -224,7 +224,7 @@ static int paint_mask_extract_exec(bContext *C, wmOperator *op)
   if (RNA_boolean_get(op->ptr, "add_solidify")) {
     ED_object_modifier_add(
         op->reports, bmain, scene, new_ob, "mask_extract_solidify", eModifierType_Solidify);
-    SolidifyModifierData *sfmd = (SolidifyModifierData *)modifiers_findByName(
+    SolidifyModifierData *sfmd = (SolidifyModifierData *)BKE_modifiers_findny_name(
         new_ob, "mask_extract_solidify");
     if (sfmd) {
       sfmd->offset = -0.05f;
diff --git a/source/blender/editors/object/object_bake.c b/source/blender/editors/object/object_bake.c
index 2cb0229126d..baa24ab2f4e 100644
--- a/source/blender/editors/object/object_bake.c
+++ b/source/blender/editors/object/object_bake.c
@@ -156,7 +156,7 @@ static bool multiresbake_check(bContext *C, wmOperator *op)
       ok = mmd->totlvl > 0;
 
       for (md = (ModifierData *)mmd->modifier.next; md && ok; md = md->next) {
-        if (modifier_isEnabled(scene, md, eModifierMode_Realtime)) {
+        if (BKE_modifier_is_enabled(scene, md, eModifierMode_Realtime)) {
           ok = false;
         }
       }
diff --git a/source/blender/editors/object/object_bake_api.c b/source/blender/editors/object/object_bake_api.c
index debad321583..46923b593b1 100644
--- a/source/blender/editors/object/object_bake_api.c
+++ b/source/blender/editors/object/object_bake_api.c
@@ -895,7 +895,7 @@ static int bake(Render *re,
   /* for multires bake, use linear UV subdivision to match low res UVs */
   if (pass_type == SCE_PASS_NORMAL && normal_space == R_BAKE_SPACE_TANGENT &&
       !is_selected_to_active) {
-    mmd_low = (MultiresModifierData *)modifiers_findByType(ob_low, eModifierType_Multires);
+    mmd_low = (MultiresModifierData *)BKE_modifiers_findby_type(ob_low, eModifierType_Multires);
     if (mmd_low) {
       mmd_flags_low = mmd_low->flags;
       mmd_low->uv_smooth = SUBSURF_UV_SMOOTH_NONE;
@@ -945,7 +945,7 @@ static int bake(Render *re,
 
         if (md->type == eModifierType_EdgeSplit) {
           BLI_remlink(&ob_low_eval->modifiers, md);
-          modifier_free(md);
+          BKE_modifier_free(md);
           is_changed = true;
         }
         md = md_next;
@@ -1096,7 +1096,7 @@ static int bake(Render *re,
           int mode;
 
           BKE_object_eval_reset(ob_low_eval);
-          md = modifiers_findByType(ob_low_eval, eModifierType_Multires);
+          md = BKE_modifiers_findby_type(ob_low_eval, eModifierType_Multires);
 
           if (md) {
             mode = md->mode;
diff --git a/source/blender/editors/object/object_edit.c b/source/blender/editors/object/object_edit.c
index d944d4c4dd3..38a00a2a9a8 100644
--- a/source/blender/editors/object/object_edit.c
+++ b/source/blender/editors/object/object_edit.c
@@ -885,7 +885,7 @@ void OBJECT_OT_posemode_toggle(wmOperatorType *ot)
 void ED_object_check_force_modifiers(Main *bmain, Scene *scene, Object *object)
 {
   PartDeflect *pd = object->pd;
-  ModifierData *md = modifiers_findByType(object, eModifierType_Surface);
+  ModifierData *md = BKE_modifiers_findby_type(object, eModifierType_Surface);
 
   /* add/remove modifier as needed */
   if (!md) {
@@ -1429,7 +1429,7 @@ static const EnumPropertyItem *object_mode_set_itemsf(bContext *C,
   if (ob) {
     const bool use_mode_particle_edit = (BLI_listbase_is_empty(&ob->particlesystem) == false) ||
                                         (ob->soft != NULL) ||
-                                        (modifiers_findByType(ob, eModifierType_Cloth) != NULL);
+                                        (BKE_modifiers_findby_type(ob, eModifierType_Cloth) != NULL);
     while (input->identifier) {
       if ((input->value == OB_MODE_EDIT && OB_TYPE_SUPPORT_EDITMODE(ob->type)) ||
           (input->value == OB_MODE_POSE && (ob->type == OB_ARMATURE)) ||
diff --git a/source/blender/editors/object/object_hook.c b/source/blender/editors/object/object_hook.c
index 4414acff115..9d2e5e74352 100644
--- a/source/blender/editors/object/object_hook.c
+++ b/source/blender/editors/object/object_hook.c
@@ -552,14 +552,14 @@ static int add_hook_object(const bContext *C,
   }
 
   md = obedit->modifiers.first;
-  while (md && modifierType_getInfo(md->type)->type == eModifierTypeType_OnlyDeform) {
+  while (md && BKE_modifier_get_info(md->type)->type == eModifierTypeType_OnlyDeform) {
     md = md->next;
   }
 
-  hmd = (HookModifierData *)modifier_new(eModifierType_Hook);
+  hmd = (HookModifierData *)BKE_modifier_new(eModifierType_Hook);
   BLI_insertlinkbefore(&obedit->modifiers, md, hmd);
   BLI_snprintf(hmd->modifier.name, sizeof(hmd->modifier.name), "Hook-%s", ob->id.name + 2);
-  modifier_unique_name(&obedit->modifiers, (ModifierData *)hmd);
+  BKE_modifier_unique_name(&obedit->modifiers, (ModifierData *)hmd);
 
   hmd->object = ob;
   hmd->indexar = indexar;
@@ -725,7 +725,7 @@ static int object_hook_remove_exec(bContext *C, wmOperator *op)
   /* remove functionality */
 
   BLI_remlink(&ob->modifiers, (ModifierData *)hmd);
-  modifier_free((ModifierData *)hmd);
+  BKE_modifier_free((ModifierData *)hmd);
 
   DEG_id_tag_update(&ob->id, ID_RECALC_GEOMETRY);
   WM_event_add_notifier(C, NC_OBJECT | ND_MODIFIER, ob);
diff --git a/source/blender/editors/object/object_modifier.c b/source/blender/editors/object/object_modifier.c
index bcc5bf3e1ae..a723739b28d 100644
--- a/source/blender/editors/object/object_modifier.c
+++ b/source/blender/editors/object/object_modifier.c
@@ -135,7 +135,7 @@ static void object_force_modifier_bind_simple_options(Depsgraph *depsgraph,
                                                       Object *object,
                                                       ModifierData *md)
 {
-  ModifierData *md_eval = (ModifierData *)modifier_get_evaluated(depsgraph, object, md);
+  ModifierData *md_eval = (ModifierData *)BKE_modifier_get_evaluated(depsgraph, object, md);
   const int mode = md_eval->mode;
   md_eval->mode |= eModifierMode_Realtime;
   object_force_modifier_update_for_bind(depsgraph, object);
@@ -152,7 +152,7 @@ ModifierData *ED_object_modifier_add(
     ReportList *reports, Main *bmain, Scene *scene, Object *ob, const char *name, int type)
 {
   ModifierData *md = NULL, *new_md = NULL;
-  const ModifierTypeInfo *mti = modifierType_getInfo(type);
+  const ModifierTypeInfo *mti = BKE_modifier_get_info(type);
 
   /* Check compatibility of modifier [T25291, T50373]. */
   if (!BKE_object_support_modifier_type_check(ob, type)) {
@@ -161,7 +161,7 @@ ModifierData *ED_object_modifier_add(
   }
 
   if (mti->flags & eModifierTypeFlag_Single) {
-    if (modifiers_findByType(ob, type)) {
+    if (BKE_modifiers_findby_type(ob, type)) {
       BKE_report(reports, RPT_WARNING, "Only one modifier of this type is allowed");
       return NULL;
     }
@@ -175,12 +175,12 @@ ModifierData *ED_object_modifier_add(
   }
   else {
     /* get new modifier data to add */
-    new_md = modifier_new(type);
+    new_md = BKE_modifier_new(type);
 
     if (mti->flags & eModifierTypeFlag_RequiresOriginalData) {
       md = ob->modifiers.first;
 
-      while (md && modifierType_getInfo(md->type)->type == eModifierTypeType_OnlyDeform) {
+      while (md && BKE_modifier_get_info(md->type)->type == eModifierTypeType_OnlyDeform) {
         md = md->next;
       }
 
@@ -196,7 +196,7 @@ ModifierData *ED_object_modifier_add(
 
     /* make sure modifier data has unique name */
 
-    modifier_unique_name(&ob->modifiers, new_md);
+    BKE_modifier_unique_name(&ob->modifiers, new_md);
 
     /* special cases */
     if (type == eModifierType_Softbody) {
@@ -383,7 +383,7 @@ static bool object_modifier_remove(Main *bmain,
   }
 
   BLI_remlink(&ob->modifiers, md);
-  modifier_free(md);
+  BKE_modifier_free(md);
   BKE_object_free_derived_caches(ob);
 
   return 1;
@@ -433,10 +433,10 @@ void ED_object_modifier_clear(Main *bmain, Object *ob)
 int ED_object_modifier_move_up(ReportList *reports, Object *ob, ModifierData *md)
 {
   if (md->prev) {
-    const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+    const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
 
     if (mti->type != eModifierTypeType_OnlyDeform) {
-      const ModifierTypeInfo *nmti = modifierType_getInfo(md->prev->type);
+      const ModifierTypeInfo *nmti = BKE_modifier_get_info(md->prev->type);
 
       if (nmti->flags & eModifierTypeFlag_RequiresOriginalData) {
         BKE_report(reports, RPT_WARNING, "Cannot move above a modifier requiring original data");
@@ -454,10 +454,10 @@ int ED_object_modifier_move_up(ReportList *reports, Object *ob, ModifierData *md
 int ED_object_modifier_move_down(ReportList *reports, Object *ob, ModifierData *md)
 {
   if (md->next) {
-    const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+    const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
 
     if (mti->flags & eModifierTypeFlag_RequiresOriginalData) {
-      const ModifierTypeInfo *nmti = modifierType_getInfo(md->next->type);
+      const ModifierTypeInfo *nmti = BKE_modifier_get_info(md->next->type);
 
       if (nmti->type != eModifierTypeType_OnlyDeform) {
         BKE_report(reports, RPT_WARNING, "Cannot move beyond a non-deforming modifier");
@@ -620,7 +620,7 @@ static int modifier_apply_shape(Main *bmain,
                                 Object *ob,
                                 ModifierData *md_eval)
 {
-  const ModifierTypeInfo *mti = modifierType_getInfo(md_eval->type);
+  const ModifierTypeInfo *mti = BKE_modifier_get_info(md_eval->type);
 
   if (mti->isDisabled && mti->isDisabled(scene, md_eval, 0)) {
     BKE_report(reports, RPT_ERROR, "Modifier is disabled, skipping apply");
@@ -644,7 +644,7 @@ static int modifier_apply_shape(Main *bmain,
     Key *key = me->key;
     KeyBlock *kb;
 
-    if (!modifier_isSameTopology(md_eval) || mti->type == eModifierTypeType_NonGeometrical) {
+    if (!BKE_modifier_is_same_topology(md_eval) || mti->type == eModifierTypeType_NonGeometrical) {
       BKE_report(reports, RPT_ERROR, "Only deforming modifiers can be applied to shapes");
       return 0;
     }
@@ -680,7 +680,7 @@ static int modifier_apply_shape(Main *bmain,
 static int modifier_apply_obdata(
     ReportList *reports, Depsgraph *depsgraph, Scene *scene, Object *ob, ModifierData *md_eval)
 {
-  const ModifierTypeInfo *mti = modifierType_getInfo(md_eval->type);
+  const ModifierTypeInfo *mti = BKE_modifier_get_info(md_eval->type);
 
   if (mti->isDisabled && mti->isDisabled(scene, md_eval, 0)) {
     BKE_report(reports, RPT_ERROR, "Modifier is disabled, skipping apply");
@@ -791,7 +791,7 @@ bool ED_object_modifier_apply(Main *bmain,
     return false;
   }
   else if ((ob->mode & OB_MODE_SCULPT) && (find_multires_modifier_before(scene, md)) &&
-           (modifier_isSameTopology(md) == false)) {
+           (BKE_modifier_is_same_topology(md) == false)) {
     BKE_report(reports,
                RPT_ERROR,
                "Constructive modifier cannot be applied to multi-res data in sculpt mode");
@@ -805,7 +805,7 @@ bool ED_object_modifier_apply(Main *bmain,
   /* Get evaluated modifier, so object links pointer to evaluated data,
    * but still use original object it is applied to the original mesh. */
   Object *ob_eval = DEG_get_evaluated_object(depsgraph, ob);
-  ModifierData *md_eval = (ob_eval) ? modifiers_findByName(ob_eval, md->name) : md;
+  ModifierData *md_eval = (ob_eval) ? BKE_modifiers_findny_name(ob_eval, md->name) : md;
 
   /* allow apply of a not-realtime modifier, by first re-enabling realtime. */
   prev_mode = md_eval->mode;
@@ -826,7 +826,7 @@ bool ED_object_modifier_apply(Main *bmain,
 
   md_eval->mode = prev_mode;
   BLI_remlink(&ob->modifiers, md);
-  modifier_free(md);
+  BKE_modifier_free(md);
 
   BKE_object_free_derived_caches(ob);
 
@@ -837,10 +837,10 @@ int ED_object_modifier_copy(ReportList *UNUSED(reports), Object *ob, ModifierDat
 {
   ModifierData *nmd;
 
-  nmd = modifier_new(md->type);
-  modifier_copyData(md, nmd);
+  nmd = BKE_modifier_new(md->type);
+  BKE_modifier_copydata(md, nmd);
   BLI_insertlinkafter(&ob->modifiers, md, nmd);
-  modifier_unique_name(&ob->modifiers, nmd);
+  BKE_modifier_unique_name(&ob->modifiers, nmd);
 
   return 1;
 }
@@ -886,7 +886,7 @@ static const EnumPropertyItem *modifier_add_itemf(bContext *C,
     md_item = &rna_enum_object_modifier_type_items[a];
 
     if (md_item->identifier[0]) {
-      mti = modifierType_getInfo(md_item->value);
+      mti = BKE_modifier_get_info(md_item->value);
 
       if (mti->flags & eModifierTypeFlag_NoUserAdd) {
         continue;
@@ -1020,7 +1020,7 @@ ModifierData *edit_modifier_property_get(wmOperator *op, Object *ob, int type)
   ModifierData *md;
   RNA_string_get(op->ptr, "modifier", modifier_name);
 
-  md = modifiers_findByName(ob, modifier_name);
+  md = BKE_modifiers_findny_name(ob, modifier_name);
 
   if (md && type != 0 && md->type != type) {
     md = NULL;
@@ -1200,7 +1200,7 @@ static bool modifier_apply_poll(bContext *C)
   }
   else if (md != NULL) {
     if ((ob->mode & OB_MODE_SCULPT) && (find_multires_modifier_before(scene, md)) &&
-        (modifier_isSameTopology(md) == false)) {
+        (BKE_modifier_is_same_topology(md) == false)) {
       CTX_wm_operator_poll_msg_set(
           C, "Constructive modifier cannot be applied to multi-res data in sculpt mode");
       return false;
@@ -2212,7 +2212,7 @@ static int skin_armature_create_exec(bContext *C, wmOperator *op)
   arm_ob = modifier_skin_armature_create(depsgraph, bmain, scene, ob);
 
   /* add a modifier to connect the new armature to the mesh */
-  arm_md = (ArmatureModifierData *)modifier_new(eModifierType_Armature);
+  arm_md = (ArmatureModifierData *)BKE_modifier_new(eModifierType_Armature);
   if (arm_md) {
     skin_md = edit_modifier_property_get(op, ob, eModifierType_Skin);
     BLI_insertlinkafter(&ob->modifiers, skin_md, arm_md);
@@ -2276,7 +2276,7 @@ static int correctivesmooth_bind_exec(bContext *C, wmOperator *op)
     return OPERATOR_CANCELLED;
   }
 
-  if (!modifier_isEnabled(scene, &csmd->modifier, eModifierMode_Realtime)) {
+  if (!BKE_modifier_is_enabled(scene, &csmd->modifier, eModifierMode_Realtime)) {
     BKE_report(op->reports, RPT_ERROR, "Modifier is disabled");
     return OPERATOR_CANCELLED;
   }
@@ -2293,7 +2293,7 @@ static int correctivesmooth_bind_exec(bContext *C, wmOperator *op)
   else {
     /* Signal to modifier to recalculate. */
     CorrectiveSmoothModifierData *csmd_eval = (CorrectiveSmoothModifierData *)
-        modifier_get_evaluated(depsgraph, ob, &csmd->modifier);
+        BKE_modifier_get_evaluated(depsgraph, ob, &csmd->modifier);
     csmd_eval->bind_coords_num = (uint)-1;
 
     /* Force modifier to run, it will call binding routine
@@ -2372,7 +2372,7 @@ static int meshdeform_bind_exec(bContext *C, wmOperator *op)
   else {
     /* Force modifier to run, it will call binding routine
      * (this has to happen outside of depsgraph evaluation). */
-    MeshDeformModifierData *mmd_eval = (MeshDeformModifierData *)modifier_get_evaluated(
+    MeshDeformModifierData *mmd_eval = (MeshDeformModifierData *)BKE_modifier_get_evaluated(
         depsgraph, ob, &mmd->modifier);
     mmd_eval->bindfunc = ED_mesh_deform_bind_callback;
     object_force_modifier_bind_simple_options(depsgraph, ob, &mmd->modifier);
@@ -2577,7 +2577,7 @@ static int ocean_bake_exec(bContext *C, wmOperator *op)
   }
 
   och = BKE_ocean_init_cache(omd->cachepath,
-                             modifier_path_relbase(bmain, ob),
+                             BKE_modifier_path_relbase(bmain, ob),
                              omd->bakestart,
                              omd->bakeend,
                              omd->wave_scale,
@@ -2700,7 +2700,7 @@ static int laplaciandeform_bind_exec(bContext *C, wmOperator *op)
     lmd->flag |= MOD_LAPLACIANDEFORM_BIND;
   }
 
-  LaplacianDeformModifierData *lmd_eval = (LaplacianDeformModifierData *)modifier_get_evaluated(
+  LaplacianDeformModifierData *lmd_eval = (LaplacianDeformModifierData *)BKE_modifier_get_evaluated(
       depsgraph, ob, &lmd->modifier);
   lmd_eval->flag = lmd->flag;
 
@@ -2779,7 +2779,7 @@ static int surfacedeform_bind_exec(bContext *C, wmOperator *op)
     smd->flags |= MOD_SDEF_BIND;
   }
 
-  SurfaceDeformModifierData *smd_eval = (SurfaceDeformModifierData *)modifier_get_evaluated(
+  SurfaceDeformModifierData *smd_eval = (SurfaceDeformModifierData *)BKE_modifier_get_evaluated(
       depsgraph, ob, &smd->modifier);
   smd_eval->flags = smd->flags;
 
diff --git a/source/blender/editors/object/object_relations.c b/source/blender/editors/object/object_relations.c
index 759af18ed2b..bfceaef4644 100644
--- a/source/blender/editors/object/object_relations.c
+++ b/source/blender/editors/object/object_relations.c
@@ -557,7 +557,7 @@ static void object_remove_parent_deform_modifiers(Object *ob, const Object *par)
       /* free modifier if match */
       if (free) {
         BLI_remlink(&ob->modifiers, md);
-        modifier_free(md);
+        BKE_modifier_free(md);
       }
     }
   }
@@ -803,7 +803,7 @@ bool ED_object_parent_set(ReportList *reports,
 
           switch (partype) {
             case PAR_CURVE: /* curve deform */
-              if (modifiers_isDeformedByCurve(ob) != par) {
+              if (BKE_modifiers_is_deformed_by_curve(ob) != par) {
                 md = ED_object_modifier_add(reports, bmain, scene, ob, NULL, eModifierType_Curve);
                 if (md) {
                   ((CurveModifierData *)md)->object = par;
@@ -814,7 +814,7 @@ bool ED_object_parent_set(ReportList *reports,
               }
               break;
             case PAR_LATTICE: /* lattice deform */
-              if (modifiers_isDeformedByLattice(ob) != par) {
+              if (BKE_modifiers_is_deformed_by_lattice(ob) != par) {
                 md = ED_object_modifier_add(
                     reports, bmain, scene, ob, NULL, eModifierType_Lattice);
                 if (md) {
@@ -823,7 +823,7 @@ bool ED_object_parent_set(ReportList *reports,
               }
               break;
             default: /* armature deform */
-              if (modifiers_isDeformedByArmature(ob) != par) {
+              if (BKE_modifiers_is_deformed_by_armature(ob) != par) {
                 md = ED_object_modifier_add(
                     reports, bmain, scene, ob, NULL, eModifierType_Armature);
                 if (md) {
diff --git a/source/blender/editors/object/object_remesh.c b/source/blender/editors/object/object_remesh.c
index 9f9179440a8..22869748b22 100644
--- a/source/blender/editors/object/object_remesh.c
+++ b/source/blender/editors/object/object_remesh.c
@@ -114,7 +114,7 @@ static bool object_remesh_poll(bContext *C)
     return false;
   }
 
-  if (modifiers_usesMultires(ob)) {
+  if (BKE_modifiers_uses_multires(ob)) {
     CTX_wm_operator_poll_msg_set(
         C, "The remesher cannot run with a Multires modifier in the modifier stack");
     return false;
diff --git a/source/blender/editors/object/object_vgroup.c b/source/blender/editors/object/object_vgroup.c
index 3ec55d42849..fb79cfb910e 100644
--- a/source/blender/editors/object/object_vgroup.c
+++ b/source/blender/editors/object/object_vgroup.c
@@ -3945,7 +3945,7 @@ static int vgroup_sort_name(const void *def_a_ptr, const void *def_b_ptr)
 static void vgroup_sort_bone_hierarchy(Object *ob, ListBase *bonebase)
 {
   if (bonebase == NULL) {
-    Object *armobj = modifiers_isDeformedByArmature(ob);
+    Object *armobj = BKE_modifiers_is_deformed_by_armature(ob);
     if (armobj != NULL) {
       bArmature *armature = armobj->data;
       bonebase = &armature->bonebase;
diff --git a/source/blender/editors/physics/dynamicpaint_ops.c b/source/blender/editors/physics/dynamicpaint_ops.c
index 37845e8d74e..6922a03b12f 100644
--- a/source/blender/editors/physics/dynamicpaint_ops.c
+++ b/source/blender/editors/physics/dynamicpaint_ops.c
@@ -72,7 +72,7 @@ static int surface_slot_add_exec(bContext *C, wmOperator *UNUSED(op))
   DynamicPaintSurface *surface;
 
   /* Make sure we're dealing with a canvas */
-  pmd = (DynamicPaintModifierData *)modifiers_findByType(cObject, eModifierType_DynamicPaint);
+  pmd = (DynamicPaintModifierData *)BKE_modifiers_findby_type(cObject, eModifierType_DynamicPaint);
   if (!pmd || !pmd->canvas) {
     return OPERATOR_CANCELLED;
   }
@@ -117,7 +117,7 @@ static int surface_slot_remove_exec(bContext *C, wmOperator *UNUSED(op))
   int id = 0;
 
   /* Make sure we're dealing with a canvas */
-  pmd = (DynamicPaintModifierData *)modifiers_findByType(obj_ctx, eModifierType_DynamicPaint);
+  pmd = (DynamicPaintModifierData *)BKE_modifiers_findby_type(obj_ctx, eModifierType_DynamicPaint);
   if (!pmd || !pmd->canvas) {
     return OPERATOR_CANCELLED;
   }
@@ -162,7 +162,7 @@ static int type_toggle_exec(bContext *C, wmOperator *op)
 
   Object *cObject = ED_object_context(C);
   Scene *scene = CTX_data_scene(C);
-  DynamicPaintModifierData *pmd = (DynamicPaintModifierData *)modifiers_findByType(
+  DynamicPaintModifierData *pmd = (DynamicPaintModifierData *)BKE_modifiers_findby_type(
       cObject, eModifierType_DynamicPaint);
   int type = RNA_enum_get(op->ptr, "type");
 
@@ -222,7 +222,7 @@ static int output_toggle_exec(bContext *C, wmOperator *op)
 {
   Object *ob = ED_object_context(C);
   DynamicPaintSurface *surface;
-  DynamicPaintModifierData *pmd = (DynamicPaintModifierData *)modifiers_findByType(
+  DynamicPaintModifierData *pmd = (DynamicPaintModifierData *)BKE_modifiers_findby_type(
       ob, eModifierType_DynamicPaint);
   int output = RNA_enum_get(op->ptr, "output"); /* currently only 1/0 */
 
@@ -483,7 +483,7 @@ static int dynamicpaint_bake_exec(struct bContext *C, struct wmOperator *op)
   /*
    * Get modifier data
    */
-  DynamicPaintModifierData *pmd = (DynamicPaintModifierData *)modifiers_findByType(
+  DynamicPaintModifierData *pmd = (DynamicPaintModifierData *)BKE_modifiers_findby_type(
       object_eval, eModifierType_DynamicPaint);
   if (pmd == NULL) {
     BKE_report(op->reports, RPT_ERROR, "Bake failed: no Dynamic Paint modifier found");
diff --git a/source/blender/editors/physics/particle_edit.c b/source/blender/editors/physics/particle_edit.c
index 216dfe313c7..84666cb6930 100644
--- a/source/blender/editors/physics/particle_edit.c
+++ b/source/blender/editors/physics/particle_edit.c
@@ -2831,7 +2831,7 @@ static void remove_tagged_keys(Depsgraph *depsgraph, Object *ob, ParticleSystem
   if (pe_x_mirror(ob)) {
     /* mirror key tags */
     ParticleSystemModifierData *psmd = psys_get_modifier(ob, psys);
-    ParticleSystemModifierData *psmd_eval = (ParticleSystemModifierData *)modifier_get_evaluated(
+    ParticleSystemModifierData *psmd_eval = (ParticleSystemModifierData *)BKE_modifier_get_evaluated(
         depsgraph, ob, &psmd->modifier);
 
     LOOP_POINTS {
@@ -5127,7 +5127,7 @@ void PE_create_particle_edit(
   int totpoint;
 
   if (psmd != NULL) {
-    psmd_eval = (ParticleSystemModifierData *)modifiers_findByName(ob_eval, psmd->modifier.name);
+    psmd_eval = (ParticleSystemModifierData *)BKE_modifiers_findny_name(ob_eval, psmd->modifier.name);
   }
 
   /* no psmd->dm happens in case particle system modifier is not enabled */
@@ -5254,8 +5254,8 @@ static bool particle_edit_toggle_poll(bContext *C)
     return 0;
   }
 
-  return (ob->particlesystem.first || modifiers_findByType(ob, eModifierType_Cloth) ||
-          modifiers_findByType(ob, eModifierType_Softbody));
+  return (ob->particlesystem.first || BKE_modifiers_findby_type(ob, eModifierType_Cloth) ||
+          BKE_modifiers_findby_type(ob, eModifierType_Softbody));
 }
 
 static void free_all_psys_edit(Object *object)
@@ -5300,7 +5300,7 @@ static int particle_edit_toggle_exec(bContext *C, wmOperator *op)
        * with possible changes applied when object was outside of the
        * edit mode. */
       Object *object_eval = DEG_get_evaluated_object(depsgraph, ob);
-      edit->psmd_eval = (ParticleSystemModifierData *)modifiers_findByName(
+      edit->psmd_eval = (ParticleSystemModifierData *)BKE_modifiers_findny_name(
           object_eval, edit->psmd->modifier.name);
       recalc_emitter_field(depsgraph, ob, edit->psys);
     }
diff --git a/source/blender/editors/physics/particle_object.c b/source/blender/editors/physics/particle_object.c
index f37a20bf43e..e75169a476b 100644
--- a/source/blender/editors/physics/particle_object.c
+++ b/source/blender/editors/physics/particle_object.c
@@ -1064,7 +1064,7 @@ static void remove_particle_systems_from_object(Object *ob_to)
              eModifierType_DynamicPaint,
              eModifierType_Fluid)) {
       BLI_remlink(&ob_to->modifiers, md);
-      modifier_free(md);
+      BKE_modifier_free(md);
     }
   }
 
@@ -1138,13 +1138,13 @@ static bool copy_particle_systems_to_object(const bContext *C,
     psys_unique_name(ob_to, psys, psys->name);
 
     /* add a particle system modifier for each system */
-    md = modifier_new(eModifierType_ParticleSystem);
+    md = BKE_modifier_new(eModifierType_ParticleSystem);
     psmd = (ParticleSystemModifierData *)md;
     /* push on top of the stack, no use trying to reproduce old stack order */
     BLI_addtail(&ob_to->modifiers, md);
 
     BLI_snprintf(md->name, sizeof(md->name), "ParticleSystem %i", i);
-    modifier_unique_name(&ob_to->modifiers, (ModifierData *)psmd);
+    BKE_modifier_unique_name(&ob_to->modifiers, (ModifierData *)psmd);
 
     psmd->psys = psys;
 
diff --git a/source/blender/editors/physics/physics_fluid.c b/source/blender/editors/physics/physics_fluid.c
index 5550f1a63c8..ceaac201da3 100644
--- a/source/blender/editors/physics/physics_fluid.c
+++ b/source/blender/editors/physics/physics_fluid.c
@@ -156,7 +156,7 @@ static bool fluid_initjob(
   FluidDomainSettings *mds;
   Object *ob = CTX_data_active_object(C);
 
-  mmd = (FluidModifierData *)modifiers_findByType(ob, eModifierType_Fluid);
+  mmd = (FluidModifierData *)BKE_modifiers_findby_type(ob, eModifierType_Fluid);
   if (!mmd) {
     BLI_strncpy(error_msg, N_("Bake failed: no Fluid modifier found"), error_size);
     return false;
@@ -185,13 +185,13 @@ static bool fluid_validatepaths(FluidJob *job, ReportList *reports)
   temp_dir[0] = '\0';
   bool is_relative = false;
 
-  const char *relbase = modifier_path_relbase(job->bmain, job->ob);
+  const char *relbase = BKE_modifier_path_relbase(job->bmain, job->ob);
 
   /* We do not accept empty paths, they can end in random places silently, see T51176. */
   if (mds->cache_directory[0] == '\0') {
     char cache_name[64];
     BKE_fluid_cache_new_name_for_current_session(sizeof(cache_name), cache_name);
-    modifier_path_init(mds->cache_directory, sizeof(mds->cache_directory), cache_name);
+    BKE_modifier_path_init(mds->cache_directory, sizeof(mds->cache_directory), cache_name);
     BKE_reportf(reports,
                 RPT_WARNING,
                 "Fluid: Empty cache path, reset to default '%s'",
@@ -209,7 +209,7 @@ static bool fluid_validatepaths(FluidJob *job, ReportList *reports)
   if (!dir_exists) {
     char cache_name[64];
     BKE_fluid_cache_new_name_for_current_session(sizeof(cache_name), cache_name);
-    modifier_path_init(mds->cache_directory, sizeof(mds->cache_directory), cache_name);
+    BKE_modifier_path_init(mds->cache_directory, sizeof(mds->cache_directory), cache_name);
 
     BKE_reportf(reports,
                 RPT_ERROR,
@@ -376,7 +376,7 @@ static void fluid_bake_startjob(void *customdata, short *stop, short *do_update,
   FluidDomainSettings *mds = job->mmd->domain;
 
   char temp_dir[FILE_MAX];
-  const char *relbase = modifier_path_relbase_from_global(job->ob);
+  const char *relbase = BKE_modifier_path_relbase_from_global(job->ob);
 
   job->stop = stop;
   job->do_update = do_update;
@@ -622,7 +622,7 @@ static int fluid_free_exec(struct bContext *C, struct wmOperator *op)
   /*
    * Get modifier data
    */
-  mmd = (FluidModifierData *)modifiers_findByType(ob, eModifierType_Fluid);
+  mmd = (FluidModifierData *)BKE_modifiers_findby_type(ob, eModifierType_Fluid);
   if (!mmd) {
     BKE_report(op->reports, RPT_ERROR, "Bake free failed: no Fluid modifier found");
     return OPERATOR_CANCELLED;
@@ -684,7 +684,7 @@ static int fluid_pause_exec(struct bContext *C, struct wmOperator *op)
   /*
    * Get modifier data
    */
-  mmd = (FluidModifierData *)modifiers_findByType(ob, eModifierType_Fluid);
+  mmd = (FluidModifierData *)BKE_modifiers_findby_type(ob, eModifierType_Fluid);
   if (!mmd) {
     BKE_report(op->reports, RPT_ERROR, "Bake free failed: no Fluid modifier found");
     return OPERATOR_CANCELLED;
diff --git a/source/blender/editors/sculpt_paint/paint_vertex.c b/source/blender/editors/sculpt_paint/paint_vertex.c
index 5b9f1f600e6..66e72145835 100644
--- a/source/blender/editors/sculpt_paint/paint_vertex.c
+++ b/source/blender/editors/sculpt_paint/paint_vertex.c
@@ -1398,7 +1398,7 @@ static int wpaint_mode_toggle_exec(bContext *C, wmOperator *op)
    */
   {
     VirtualModifierData virtualModifierData;
-    ModifierData *md = modifiers_getVirtualModifierList(ob, &virtualModifierData);
+    ModifierData *md = BKE_modifiers_get_virtual_modifierlist(ob, &virtualModifierData);
     if (md != NULL) {
       /* Can be NULL. */
       View3D *v3d = CTX_wm_view3d(C);
diff --git a/source/blender/editors/sculpt_paint/paint_vertex_weight_ops.c b/source/blender/editors/sculpt_paint/paint_vertex_weight_ops.c
index 103f312975a..08ffd8e620e 100644
--- a/source/blender/editors/sculpt_paint/paint_vertex_weight_ops.c
+++ b/source/blender/editors/sculpt_paint/paint_vertex_weight_ops.c
@@ -108,7 +108,7 @@ static bool weight_from_bones_poll(bContext *C)
 {
   Object *ob = CTX_data_active_object(C);
 
-  return (ob && (ob->mode & OB_MODE_WEIGHT_PAINT) && modifiers_isDeformedByArmature(ob));
+  return (ob && (ob->mode & OB_MODE_WEIGHT_PAINT) && BKE_modifiers_is_deformed_by_armature(ob));
 }
 
 static int weight_from_bones_exec(bContext *C, wmOperator *op)
@@ -116,7 +116,7 @@ static int weight_from_bones_exec(bContext *C, wmOperator *op)
   Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C);
   Scene *scene = CTX_data_scene(C);
   Object *ob = CTX_data_active_object(C);
-  Object *armob = modifiers_isDeformedByArmature(ob);
+  Object *armob = BKE_modifiers_is_deformed_by_armature(ob);
   Mesh *me = ob->data;
   int type = RNA_enum_get(op->ptr, "type");
 
diff --git a/source/blender/editors/sculpt_paint/paint_vertex_weight_utils.c b/source/blender/editors/sculpt_paint/paint_vertex_weight_utils.c
index 5a3067ef193..a483f63bc06 100644
--- a/source/blender/editors/sculpt_paint/paint_vertex_weight_utils.c
+++ b/source/blender/editors/sculpt_paint/paint_vertex_weight_utils.c
@@ -82,7 +82,7 @@ bool ED_wpaint_ensure_data(bContext *C,
   /* this happens on a Bone select, when no vgroup existed yet */
   if (ob->actdef <= 0) {
     Object *modob;
-    if ((modob = modifiers_isDeformedByArmature(ob))) {
+    if ((modob = BKE_modifiers_is_deformed_by_armature(ob))) {
       Bone *actbone = ((bArmature *)modob->data)->act_bone;
       if (actbone) {
         bPoseChannel *pchan = BKE_pose_channel_find_name(modob->pose, actbone->name);
diff --git a/source/blender/editors/sculpt_paint/sculpt.c b/source/blender/editors/sculpt_paint/sculpt.c
index 9c026ce9be1..0a51e95bd89 100644
--- a/source/blender/editors/sculpt_paint/sculpt.c
+++ b/source/blender/editors/sculpt_paint/sculpt.c
@@ -952,11 +952,11 @@ static bool sculpt_has_active_modifiers(Scene *scene, Object *ob)
   ModifierData *md;
   VirtualModifierData virtualModifierData;
 
-  md = modifiers_getVirtualModifierList(ob, &virtualModifierData);
+  md = BKE_modifiers_get_virtual_modifierlist(ob, &virtualModifierData);
 
   /* Exception for shape keys because we can edit those. */
   for (; md; md = md->next) {
-    if (modifier_isEnabled(scene, md, eModifierMode_Realtime)) {
+    if (BKE_modifier_is_enabled(scene, md, eModifierMode_Realtime)) {
       return true;
     }
   }
diff --git a/source/blender/editors/sculpt_paint/sculpt_dyntopo.c b/source/blender/editors/sculpt_paint/sculpt_dyntopo.c
index 0ab3b8cd14e..cd3bf2e2529 100644
--- a/source/blender/editors/sculpt_paint/sculpt_dyntopo.c
+++ b/source/blender/editors/sculpt_paint/sculpt_dyntopo.c
@@ -384,12 +384,12 @@ enum eDynTopoWarnFlag SCULPT_dynamic_topology_check(Scene *scene, Object *ob)
 
   {
     VirtualModifierData virtualModifierData;
-    ModifierData *md = modifiers_getVirtualModifierList(ob, &virtualModifierData);
+    ModifierData *md = BKE_modifiers_get_virtual_modifierlist(ob, &virtualModifierData);
 
     /* Exception for shape keys because we can edit those. */
     for (; md; md = md->next) {
-      const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
-      if (!modifier_isEnabled(scene, md, eModifierMode_Realtime)) {
+      const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
+      if (!BKE_modifier_is_enabled(scene, md, eModifierMode_Realtime)) {
         continue;
       }
 
diff --git a/source/blender/editors/space_buttons/buttons_context.c b/source/blender/editors/space_buttons/buttons_context.c
index 587ba5b0b79..7e6088bc3cc 100644
--- a/source/blender/editors/space_buttons/buttons_context.c
+++ b/source/blender/editors/space_buttons/buttons_context.c
@@ -1041,7 +1041,7 @@ int buttons_context(const bContext *C, const char *member, bContextDataResult *r
 
     if (ptr && ptr->data) {
       Object *ob = ptr->data;
-      ModifierData *md = modifiers_findByType(ob, eModifierType_Cloth);
+      ModifierData *md = BKE_modifiers_findby_type(ob, eModifierType_Cloth);
       CTX_data_pointer_set(result, &ob->id, &RNA_ClothModifier, md);
       return 1;
     }
@@ -1051,7 +1051,7 @@ int buttons_context(const bContext *C, const char *member, bContextDataResult *r
 
     if (ptr && ptr->data) {
       Object *ob = ptr->data;
-      ModifierData *md = modifiers_findByType(ob, eModifierType_Softbody);
+      ModifierData *md = BKE_modifiers_findby_type(ob, eModifierType_Softbody);
       CTX_data_pointer_set(result, &ob->id, &RNA_SoftBodyModifier, md);
       return 1;
     }
@@ -1062,7 +1062,7 @@ int buttons_context(const bContext *C, const char *member, bContextDataResult *r
 
     if (ptr && ptr->data) {
       Object *ob = ptr->data;
-      ModifierData *md = modifiers_findByType(ob, eModifierType_Fluid);
+      ModifierData *md = BKE_modifiers_findby_type(ob, eModifierType_Fluid);
       CTX_data_pointer_set(result, &ob->id, &RNA_FluidModifier, md);
       return 1;
     }
@@ -1072,7 +1072,7 @@ int buttons_context(const bContext *C, const char *member, bContextDataResult *r
 
     if (ptr && ptr->data) {
       Object *ob = ptr->data;
-      ModifierData *md = modifiers_findByType(ob, eModifierType_Collision);
+      ModifierData *md = BKE_modifiers_findby_type(ob, eModifierType_Collision);
       CTX_data_pointer_set(result, &ob->id, &RNA_CollisionModifier, md);
       return 1;
     }
@@ -1086,7 +1086,7 @@ int buttons_context(const bContext *C, const char *member, bContextDataResult *r
 
     if (ptr && ptr->data) {
       Object *ob = ptr->data;
-      ModifierData *md = modifiers_findByType(ob, eModifierType_DynamicPaint);
+      ModifierData *md = BKE_modifiers_findby_type(ob, eModifierType_DynamicPaint);
       CTX_data_pointer_set(result, &ob->id, &RNA_DynamicPaintModifier, md);
       return 1;
     }
diff --git a/source/blender/editors/space_buttons/buttons_texture.c b/source/blender/editors/space_buttons/buttons_texture.c
index 00818ac77b5..af61dd6bc15 100644
--- a/source/blender/editors/space_buttons/buttons_texture.c
+++ b/source/blender/editors/space_buttons/buttons_texture.c
@@ -236,7 +236,7 @@ static void buttons_texture_users_from_context(ListBase *users,
     int a;
 
     /* modifiers */
-    modifiers_foreachTexLink(ob, buttons_texture_modifier_foreach, users);
+    BKE_modifiers_foreach_tex_link(ob, buttons_texture_modifier_foreach, users);
 
     /* grease pencil modifiers */
     BKE_gpencil_modifiers_foreachTexLink(ob, buttons_texture_modifier_gpencil_foreach, users);
diff --git a/source/blender/editors/space_view3d/view3d_iterators.c b/source/blender/editors/space_view3d/view3d_iterators.c
index d8e1c8c1c72..08e68c9174e 100644
--- a/source/blender/editors/space_view3d/view3d_iterators.c
+++ b/source/blender/editors/space_view3d/view3d_iterators.c
@@ -388,7 +388,7 @@ void mesh_foreachScreenFace(
 
   BM_mesh_elem_table_ensure(vc->em->bm, BM_FACE);
 
-  if (modifiers_usesSubsurfFacedots(vc->scene, vc->obedit)) {
+  if (BKE_modifiers_uses_subsurf_facedots(vc->scene, vc->obedit)) {
     BKE_mesh_foreach_mapped_subdiv_face_center(
         me, mesh_foreachScreenFace__mapFunc, &data, MESH_FOREACH_NOP);
   }
diff --git a/source/blender/editors/space_view3d/view3d_view.c b/source/blender/editors/space_view3d/view3d_view.c
index b90f7aa870e..fe77ca05a04 100644
--- a/source/blender/editors/space_view3d/view3d_view.c
+++ b/source/blender/editors/space_view3d/view3d_view.c
@@ -1062,7 +1062,7 @@ int view3d_opengl_select(ViewContext *vc,
        * the number of items is nearly always 1, maybe 2..3 in rare cases. */
       LinkNode *ob_pose_list = NULL;
       VirtualModifierData virtualModifierData;
-      const ModifierData *md = modifiers_getVirtualModifierList(obact, &virtualModifierData);
+      const ModifierData *md = BKE_modifiers_get_virtual_modifierlist(obact, &virtualModifierData);
       for (; md; md = md->next) {
         if (md->type == eModifierType_Armature) {
           ArmatureModifierData *amd = (ArmatureModifierData *)md;
diff --git a/source/blender/editors/transform/transform_convert.c b/source/blender/editors/transform/transform_convert.c
index 62fdaa4908e..b2d87272203 100644
--- a/source/blender/editors/transform/transform_convert.c
+++ b/source/blender/editors/transform/transform_convert.c
@@ -2741,7 +2741,7 @@ void createTransData(bContext *C, TransInfo *t)
     /* important that ob_armature can be set even when its not selected [#23412]
      * lines below just check is also visible */
     has_transform_context = false;
-    Object *ob_armature = modifiers_isDeformedByArmature(ob);
+    Object *ob_armature = BKE_modifiers_is_deformed_by_armature(ob);
     if (ob_armature && ob_armature->mode & OB_MODE_POSE) {
       Base *base_arm = BKE_view_layer_base_find(t->view_layer, ob_armature);
       if (base_arm) {
diff --git a/source/blender/editors/transform/transform_convert_mesh.c b/source/blender/editors/transform/transform_convert_mesh.c
index 7528f791130..24dda8c8464 100644
--- a/source/blender/editors/transform/transform_convert_mesh.c
+++ b/source/blender/editors/transform/transform_convert_mesh.c
@@ -781,9 +781,9 @@ void createTransEditVerts(TransInfo *t)
     }
 
     /* detect CrazySpace [tm] */
-    if (modifiers_getCageIndex(t->scene, tc->obedit, NULL, 1) != -1) {
+    if (BKE_modifiers_get_cage_index(t->scene, tc->obedit, NULL, 1) != -1) {
       int totleft = -1;
-      if (modifiers_isCorrectableDeformed(t->scene, tc->obedit)) {
+      if (BKE_modifiers_is_correctable_deformed(t->scene, tc->obedit)) {
         BKE_scene_graph_evaluated_ensure(t->depsgraph, CTX_data_main(t->context));
 
         /* Use evaluated state because we need b-bone cache. */
diff --git a/source/blender/io/alembic/intern/abc_exporter.cc b/source/blender/io/alembic/intern/abc_exporter.cc
index e3e095463b4..f661083b0a7 100644
--- a/source/blender/io/alembic/intern/abc_exporter.cc
+++ b/source/blender/io/alembic/intern/abc_exporter.cc
@@ -105,7 +105,7 @@ ExportSettings::ExportSettings()
 
 static bool object_is_smoke_sim(Object *ob)
 {
-  ModifierData *md = modifiers_findByType(ob, eModifierType_Fluid);
+  ModifierData *md = BKE_modifiers_findby_type(ob, eModifierType_Fluid);
 
   if (md) {
     FluidModifierData *smd = reinterpret_cast<FluidModifierData *>(md);
diff --git a/source/blender/io/alembic/intern/abc_reader_object.cc b/source/blender/io/alembic/intern/abc_reader_object.cc
index 9b0c3237c45..4e6db2dd85c 100644
--- a/source/blender/io/alembic/intern/abc_reader_object.cc
+++ b/source/blender/io/alembic/intern/abc_reader_object.cc
@@ -295,7 +295,7 @@ void AbcObjectReader::read_matrix(float r_mat[4][4] /* local matrix */,
 
 void AbcObjectReader::addCacheModifier()
 {
-  ModifierData *md = modifier_new(eModifierType_MeshSequenceCache);
+  ModifierData *md = BKE_modifier_new(eModifierType_MeshSequenceCache);
   BLI_addtail(&m_object->modifiers, md);
 
   MeshSeqCacheModifierData *mcmd = reinterpret_cast<MeshSeqCacheModifierData *>(md);
diff --git a/source/blender/io/alembic/intern/abc_writer_mesh.cc b/source/blender/io/alembic/intern/abc_writer_mesh.cc
index a47fe55750e..546ccc9f2ce 100644
--- a/source/blender/io/alembic/intern/abc_writer_mesh.cc
+++ b/source/blender/io/alembic/intern/abc_writer_mesh.cc
@@ -169,7 +169,7 @@ static ModifierData *get_subsurf_modifier(Scene *scene, Object *ob)
   ModifierData *md = static_cast<ModifierData *>(ob->modifiers.last);
 
   for (; md; md = md->prev) {
-    if (!modifier_isEnabled(scene, md, eModifierMode_Render)) {
+    if (!BKE_modifier_is_enabled(scene, md, eModifierMode_Render)) {
       continue;
     }
 
@@ -192,9 +192,9 @@ static ModifierData *get_subsurf_modifier(Scene *scene, Object *ob)
 
 static ModifierData *get_liquid_sim_modifier(Scene *scene, Object *ob)
 {
-  ModifierData *md = modifiers_findByType(ob, eModifierType_Fluidsim);
+  ModifierData *md = BKE_modifiers_findby_type(ob, eModifierType_Fluidsim);
 
-  if (md && (modifier_isEnabled(scene, md, eModifierMode_Render))) {
+  if (md && (BKE_modifier_is_enabled(scene, md, eModifierMode_Render))) {
     FluidsimModifierData *fsmd = reinterpret_cast<FluidsimModifierData *>(md);
 
     if (fsmd->fss && fsmd->fss->type == OB_FLUIDSIM_DOMAIN) {
diff --git a/source/blender/io/usd/intern/usd_writer_mesh.cc b/source/blender/io/usd/intern/usd_writer_mesh.cc
index 2e6696e12ca..fa43d80538a 100644
--- a/source/blender/io/usd/intern/usd_writer_mesh.cc
+++ b/source/blender/io/usd/intern/usd_writer_mesh.cc
@@ -441,7 +441,7 @@ void USDGenericMeshWriter::write_surface_velocity(Object *object,
   /* Only velocities from the fluid simulation are exported. This is the most important case,
    * though, as the baked mesh changes topology all the time, and thus computing the velocities
    * at import time in a post-processing step is hard. */
-  ModifierData *md = modifiers_findByType(object, eModifierType_Fluidsim);
+  ModifierData *md = BKE_modifiers_findby_type(object, eModifierType_Fluidsim);
   if (md == nullptr) {
     return;
   }
@@ -450,7 +450,7 @@ void USDGenericMeshWriter::write_surface_velocity(Object *object,
   const bool use_render = (DEG_get_mode(usd_export_context_.depsgraph) == DAG_EVAL_RENDER);
   const ModifierMode required_mode = use_render ? eModifierMode_Render : eModifierMode_Realtime;
   const Scene *scene = DEG_get_evaluated_scene(usd_export_context_.depsgraph);
-  if (!modifier_isEnabled(scene, md, required_mode)) {
+  if (!BKE_modifier_is_enabled(scene, md, required_mode)) {
     return;
   }
   FluidsimModifierData *fsmd = reinterpret_cast<FluidsimModifierData *>(md);
diff --git a/source/blender/makesrna/intern/rna_cloth.c b/source/blender/makesrna/intern/rna_cloth.c
index 1dae78b9efd..6964470826c 100644
--- a/source/blender/makesrna/intern/rna_cloth.c
+++ b/source/blender/makesrna/intern/rna_cloth.c
@@ -63,7 +63,7 @@ static void rna_cloth_pinning_changed(Main *UNUSED(bmain), Scene *UNUSED(scene),
 {
   Object *ob = (Object *)ptr->owner_id;
   /*  ClothSimSettings *settings = (ClothSimSettings *)ptr->data; */
-  ClothModifierData *clmd = (ClothModifierData *)modifiers_findByType(ob, eModifierType_Cloth);
+  ClothModifierData *clmd = (ClothModifierData *)BKE_modifiers_findby_type(ob, eModifierType_Cloth);
 
   cloth_free_modifier(clmd);
 
@@ -434,7 +434,7 @@ static void rna_ClothSettings_gravity_set(PointerRNA *ptr, const float *values)
 static char *rna_ClothSettings_path(PointerRNA *ptr)
 {
   Object *ob = (Object *)ptr->owner_id;
-  ModifierData *md = modifiers_findByType(ob, eModifierType_Cloth);
+  ModifierData *md = BKE_modifiers_findby_type(ob, eModifierType_Cloth);
 
   if (md) {
     char name_esc[sizeof(md->name) * 2];
@@ -449,7 +449,7 @@ static char *rna_ClothSettings_path(PointerRNA *ptr)
 static char *rna_ClothCollisionSettings_path(PointerRNA *ptr)
 {
   Object *ob = (Object *)ptr->owner_id;
-  ModifierData *md = modifiers_findByType(ob, eModifierType_Cloth);
+  ModifierData *md = BKE_modifiers_findby_type(ob, eModifierType_Cloth);
 
   if (md) {
     char name_esc[sizeof(md->name) * 2];
diff --git a/source/blender/makesrna/intern/rna_fluid.c b/source/blender/makesrna/intern/rna_fluid.c
index 86860e5e14b..dfefabd2a8b 100644
--- a/source/blender/makesrna/intern/rna_fluid.c
+++ b/source/blender/makesrna/intern/rna_fluid.c
@@ -224,7 +224,7 @@ static void rna_Fluid_flip_parts_update(Main *bmain, Scene *scene, PointerRNA *p
 {
   Object *ob = (Object *)ptr->owner_id;
   FluidModifierData *mmd;
-  mmd = (FluidModifierData *)modifiers_findByType(ob, eModifierType_Fluid);
+  mmd = (FluidModifierData *)BKE_modifiers_findby_type(ob, eModifierType_Fluid);
   bool exists = rna_Fluid_parts_exists(ptr, PART_FLUID_FLIP);
 
   /* Only create a particle system in liquid domain mode. */
@@ -249,7 +249,7 @@ static void rna_Fluid_spray_parts_update(Main *bmain, Scene *UNUSED(scene), Poin
 {
   Object *ob = (Object *)ptr->owner_id;
   FluidModifierData *mmd;
-  mmd = (FluidModifierData *)modifiers_findByType(ob, eModifierType_Fluid);
+  mmd = (FluidModifierData *)BKE_modifiers_findby_type(ob, eModifierType_Fluid);
   bool exists = rna_Fluid_parts_exists(ptr, PART_FLUID_SPRAY);
 
   if (ob->type == OB_MESH && !exists) {
@@ -267,7 +267,7 @@ static void rna_Fluid_bubble_parts_update(Main *bmain, Scene *UNUSED(scene), Poi
 {
   Object *ob = (Object *)ptr->owner_id;
   FluidModifierData *mmd;
-  mmd = (FluidModifierData *)modifiers_findByType(ob, eModifierType_Fluid);
+  mmd = (FluidModifierData *)BKE_modifiers_findby_type(ob, eModifierType_Fluid);
   bool exists = rna_Fluid_parts_exists(ptr, PART_FLUID_BUBBLE);
 
   if (ob->type == OB_MESH && !exists) {
@@ -289,7 +289,7 @@ static void rna_Fluid_foam_parts_update(Main *bmain, Scene *UNUSED(scene), Point
 {
   Object *ob = (Object *)ptr->owner_id;
   FluidModifierData *mmd;
-  mmd = (FluidModifierData *)modifiers_findByType(ob, eModifierType_Fluid);
+  mmd = (FluidModifierData *)BKE_modifiers_findby_type(ob, eModifierType_Fluid);
   bool exists = rna_Fluid_parts_exists(ptr, PART_FLUID_FOAM);
 
   if (ob->type == OB_MESH && !exists) {
@@ -307,7 +307,7 @@ static void rna_Fluid_tracer_parts_update(Main *bmain, Scene *UNUSED(scene), Poi
 {
   Object *ob = (Object *)ptr->owner_id;
   FluidModifierData *mmd;
-  mmd = (FluidModifierData *)modifiers_findByType(ob, eModifierType_Fluid);
+  mmd = (FluidModifierData *)BKE_modifiers_findby_type(ob, eModifierType_Fluid);
   bool exists = rna_Fluid_parts_exists(ptr, PART_FLUID_TRACER);
 
   if (ob->type == OB_MESH && !exists) {
@@ -329,7 +329,7 @@ static void rna_Fluid_combined_export_update(Main *bmain, Scene *scene, PointerR
 {
   Object *ob = (Object *)ptr->owner_id;
   FluidModifierData *mmd;
-  mmd = (FluidModifierData *)modifiers_findByType(ob, eModifierType_Fluid);
+  mmd = (FluidModifierData *)BKE_modifiers_findby_type(ob, eModifierType_Fluid);
 
   if (mmd->domain->sndparticle_combined_export == SNDPARTICLE_COMBINED_EXPORT_OFF) {
     rna_Fluid_parts_delete(ptr, PART_FLUID_SPRAYFOAM);
@@ -515,7 +515,7 @@ static void rna_Fluid_guide_parent_set(struct PointerRNA *ptr,
   FluidModifierData *mmd_par = NULL;
 
   if (par != NULL) {
-    mmd_par = (FluidModifierData *)modifiers_findByType(par, eModifierType_Fluid);
+    mmd_par = (FluidModifierData *)BKE_modifiers_findby_type(par, eModifierType_Fluid);
     if (mmd_par && mmd_par->domain) {
       mds->guide_parent = value.data;
       copy_v3_v3_int(mds->guide_res, mmd_par->domain->res);
diff --git a/source/blender/makesrna/intern/rna_modifier.c b/source/blender/makesrna/intern/rna_modifier.c
index 8b86ab38723..638268adff7 100644
--- a/source/blender/makesrna/intern/rna_modifier.c
+++ b/source/blender/makesrna/intern/rna_modifier.c
@@ -741,7 +741,7 @@ static void rna_Modifier_name_set(PointerRNA *ptr, const char *value)
   /* make sure the name is truly unique */
   if (ptr->owner_id) {
     Object *ob = (Object *)ptr->owner_id;
-    modifier_unique_name(&ob->modifiers, md);
+    BKE_modifier_unique_name(&ob->modifiers, md);
   }
 
   /* fix all the animation data which may link to this */
diff --git a/source/blender/makesrna/intern/rna_object.c b/source/blender/makesrna/intern/rna_object.c
index c84242b2f67..c2ee256ad58 100644
--- a/source/blender/makesrna/intern/rna_object.c
+++ b/source/blender/makesrna/intern/rna_object.c
@@ -1638,7 +1638,7 @@ bool rna_Object_modifiers_override_apply(Main *bmain,
     return false;
   }
 
-  /* While it would be nicer to use lower-level modifier_new() here, this one is lacking
+  /* While it would be nicer to use lower-level BKE_modifier_new() here, this one is lacking
    * special-cases handling (particles and other physics modifiers mostly), so using the ED version
    * instead, to avoid duplicating code. */
   ModifierData *mod_dst = ED_object_modifier_add(
@@ -1653,7 +1653,7 @@ bool rna_Object_modifiers_override_apply(Main *bmain,
   ParticleSystem *psys_dst = (mod_dst->type == eModifierType_ParticleSystem) ?
                                  ((ParticleSystemModifierData *)mod_dst)->psys :
                                  NULL;
-  modifier_copyData(mod_src, mod_dst);
+  BKE_modifier_copydata(mod_src, mod_dst);
   if (mod_dst->type == eModifierType_ParticleSystem) {
     psys_dst->flag &= ~PSYS_DELETE;
     ((ParticleSystemModifierData *)mod_dst)->psys = psys_dst;
@@ -1745,7 +1745,7 @@ bool rna_Object_greasepencil_modifiers_override_apply(Main *bmain,
     return false;
   }
 
-  /* While it would be nicer to use lower-level modifier_new() here, this one is lacking
+  /* While it would be nicer to use lower-level BKE_modifier_new() here, this one is lacking
    * special-cases handling (particles and other physics modifiers mostly), so using the ED version
    * instead, to avoid duplicating code. */
   GpencilModifierData *mod_dst = ED_object_gpencil_modifier_add(
diff --git a/source/blender/makesrna/intern/rna_object_api.c b/source/blender/makesrna/intern/rna_object_api.c
index b26018394b7..2c9bdd31141 100644
--- a/source/blender/makesrna/intern/rna_object_api.c
+++ b/source/blender/makesrna/intern/rna_object_api.c
@@ -951,7 +951,7 @@ void RNA_api_object(StructRNA *srna)
   RNA_def_function_ui_description(func, "Clears mesh data-block created by to_mesh()");
 
   /* Armature */
-  func = RNA_def_function(srna, "find_armature", "modifiers_isDeformedByArmature");
+  func = RNA_def_function(srna, "find_armature", "BKE_modifiers_is_deformed_by_armature");
   RNA_def_function_ui_description(
       func, "Find armature influencing this object as a parent or via a modifier");
   parm = RNA_def_pointer(
diff --git a/source/blender/makesrna/intern/rna_object_force.c b/source/blender/makesrna/intern/rna_object_force.c
index 4a34d1465dd..e79c186aae4 100644
--- a/source/blender/makesrna/intern/rna_object_force.c
+++ b/source/blender/makesrna/intern/rna_object_force.c
@@ -145,7 +145,7 @@ static char *rna_PointCache_path(PointerRNA *ptr)
   PointCache *cache = ptr->data;
 
   for (md = ob->modifiers.first; md; md = md->next) {
-    const ModifierTypeInfo *mti = modifierType_getInfo(md->type);
+    const ModifierTypeInfo *mti = BKE_modifier_get_info(md->type);
 
     if (!(mti->flags & eModifierTypeFlag_UsesPointCache)) {
       continue;
@@ -430,7 +430,7 @@ static char *rna_CollisionSettings_path(PointerRNA *UNUSED(ptr))
   /* both methods work ok, but return the shorter path */
 #  if 0
   Object *ob = (Object *)ptr->owner_id;
-  ModifierData *md = (ModifierData *)modifiers_findByType(ob, eModifierType_Collision);
+  ModifierData *md = (ModifierData *)BKE_modifiers_findby_type(ob, eModifierType_Collision);
 
   if (md) {
     char name_esc[sizeof(md->name) * 2];
@@ -604,7 +604,7 @@ static void rna_SoftBodySettings_spring_vgroup_set(PointerRNA *ptr, const char *
 static char *rna_SoftBodySettings_path(PointerRNA *ptr)
 {
   Object *ob = (Object *)ptr->owner_id;
-  ModifierData *md = (ModifierData *)modifiers_findByType(ob, eModifierType_Softbody);
+  ModifierData *md = (ModifierData *)BKE_modifiers_findby_type(ob, eModifierType_Softbody);
   char name_esc[sizeof(md->name) * 2];
 
   BLI_strescape(name_esc, md->name, sizeof(name_esc));
@@ -780,7 +780,7 @@ static char *rna_EffectorWeight_path(PointerRNA *ptr)
     ModifierData *md;
 
     /* check softbody modifier */
-    md = (ModifierData *)modifiers_findByType(ob, eModifierType_Softbody);
+    md = (ModifierData *)BKE_modifiers_findby_type(ob, eModifierType_Softbody);
     if (md) {
       /* no pointer from modifier data to actual softbody storage, would be good to add */
       if (ob->soft->effector_weights == ew) {
@@ -791,7 +791,7 @@ static char *rna_EffectorWeight_path(PointerRNA *ptr)
     }
 
     /* check cloth modifier */
-    md = (ModifierData *)modifiers_findByType(ob, eModifierType_Cloth);
+    md = (ModifierData *)BKE_modifiers_findby_type(ob, eModifierType_Cloth);
     if (md) {
       ClothModifierData *cmd = (ClothModifierData *)md;
       if (cmd->sim_parms->effector_weights == ew) {
@@ -802,7 +802,7 @@ static char *rna_EffectorWeight_path(PointerRNA *ptr)
     }
 
     /* check smoke modifier */
-    md = (ModifierData *)modifiers_findByType(ob, eModifierType_Fluid);
+    md = (ModifierData *)BKE_modifiers_findby_type(ob, eModifierType_Fluid);
     if (md) {
       FluidModifierData *mmd = (FluidModifierData *)md;
       if (mmd->domain->effector_weights == ew) {
@@ -813,7 +813,7 @@ static char *rna_EffectorWeight_path(PointerRNA *ptr)
     }
 
     /* check dynamic paint modifier */
-    md = (ModifierData *)modifiers_findByType(ob, eModifierType_DynamicPaint);
+    md = (ModifierData *)BKE_modifiers_findby_type(ob, eModifierType_DynamicPaint);
     if (md) {
       DynamicPaintModifierData *pmd = (DynamicPaintModifierData *)md;
 
@@ -843,7 +843,7 @@ static char *rna_EffectorWeight_path(PointerRNA *ptr)
 static void rna_CollisionSettings_dependency_update(Main *bmain, Scene *scene, PointerRNA *ptr)
 {
   Object *ob = (Object *)ptr->owner_id;
-  ModifierData *md = modifiers_findByType(ob, eModifierType_Collision);
+  ModifierData *md = BKE_modifiers_findby_type(ob, eModifierType_Collision);
 
   /* add/remove modifier as needed */
   if (ob->pd->deflect && !md) {
diff --git a/source/blender/makesrna/intern/rna_particle.c b/source/blender/makesrna/intern/rna_particle.c
index c1fb3232bb3..73b3515030e 100644
--- a/source/blender/makesrna/intern/rna_particle.c
+++ b/source/blender/makesrna/intern/rna_particle.c
@@ -827,7 +827,7 @@ static void rna_Particle_hair_dynamics_update(Main *bmain, Scene *scene, Pointer
   ParticleSystem *psys = (ParticleSystem *)ptr->data;
 
   if (psys && !psys->clmd) {
-    psys->clmd = (ClothModifierData *)modifier_new(eModifierType_Cloth);
+    psys->clmd = (ClothModifierData *)BKE_modifier_new(eModifierType_Cloth);
     psys->clmd->sim_parms->goalspring = 0.0f;
     psys->clmd->sim_parms->flags |= CLOTH_SIMSETTINGS_FLAG_RESIST_SPRING_COMPRESS;
     psys->clmd->coll_parms->flags &= ~CLOTH_COLLSETTINGS_FLAG_SELF;
diff --git a/source/blender/modifiers/intern/MOD_armature.c b/source/blender/modifiers/intern/MOD_armature.c
index 1c2b92383a6..5116099f015 100644
--- a/source/blender/modifiers/intern/MOD_armature.c
+++ b/source/blender/modifiers/intern/MOD_armature.c
@@ -61,7 +61,7 @@ static void copyData(const ModifierData *md, ModifierData *target, const int fla
 #endif
   ArmatureModifierData *tamd = (ArmatureModifierData *)target;
 
-  modifier_copyData_generic(md, target, flag);
+  BKE_modifier_copydata_generic(md, target, flag);
   tamd->prevCos = NULL;
 }
 
diff --git a/source/blender/modifiers/intern/MOD_array.c b/source/blender/modifiers/intern/MOD_array.c
index 363fa85c32c..68ab187df97 100644
--- a/source/blender/modifiers/intern/MOD_array.c
+++ b/source/blender/modifiers/intern/MOD_array.c
@@ -503,7 +503,7 @@ static Mesh *arrayModifier_doArray(ArrayModifierData *amd,
     }
 
     if (offset_is_too_small) {
-      modifier_setError(
+      BKE_modifier_set_error(
           &amd->modifier,
           "The offset is too small, we cannot generate the amount of geometry it would require");
     }
@@ -514,7 +514,7 @@ static Mesh *arrayModifier_doArray(ArrayModifierData *amd,
   else if (((size_t)count * (size_t)chunk_nverts + (size_t)start_cap_nverts +
             (size_t)end_cap_nverts) > max_num_vertices) {
     count = 1;
-    modifier_setError(&amd->modifier,
+    BKE_modifier_set_error(&amd->modifier,
                       "The amount of copies is too high, we cannot generate the amount of "
                       "geometry it would require");
   }
@@ -831,7 +831,7 @@ ModifierTypeInfo modifierType_Array = {
         eModifierTypeFlag_SupportsEditmode | eModifierTypeFlag_EnableInEditmode |
         eModifierTypeFlag_AcceptsCVs,
 
-    /* copyData */ modifier_copyData_generic,
+    /* copyData */ BKE_modifier_copydata_generic,
 
     /* deformVerts */ NULL,
     /* deformMatrices */ NULL,
diff --git a/source/blender/modifiers/intern/MOD_bevel.c b/source/blender/modifiers/intern/MOD_bevel.c
index a54bb2dfc6f..9b844af09e4 100644
--- a/source/blender/modifiers/intern/MOD_bevel.c
+++ b/source/blender/modifiers/intern/MOD_bevel.c
@@ -72,7 +72,7 @@ static void copyData(const ModifierData *md_src, ModifierData *md_dst, const int
   const BevelModifierData *bmd_src = (const BevelModifierData *)md_src;
   BevelModifierData *bmd_dst = (BevelModifierData *)md_dst;
 
-  modifier_copyData_generic(md_src, md_dst, flag);
+  BKE_modifier_copydata_generic(md_src, md_dst, flag);
   bmd_dst->custom_profile = BKE_curveprofile_copy(bmd_src->custom_profile);
 }
 
@@ -206,7 +206,7 @@ static Mesh *modifyMesh(ModifierData *md, const ModifierEvalContext *ctx, Mesh *
   Object *ob = ctx->object;
 
   if (harden_normals && (ob->type == OB_MESH) && !(((Mesh *)ob->data)->flag & ME_AUTOSMOOTH)) {
-    modifier_setError(md, "Enable 'Auto Smooth' in Object Data Properties");
+    BKE_modifier_set_error(md, "Enable 'Auto Smooth' in Object Data Properties");
     harden_normals = false;
   }
 
diff --git a/source/blender/modifiers/intern/MOD_boolean.c b/source/blender/modifiers/intern/MOD_boolean.c
index aabdff12e71..86c5fe15d12 100644
--- a/source/blender/modifiers/intern/MOD_boolean.c
+++ b/source/blender/modifiers/intern/MOD_boolean.c
@@ -330,7 +330,7 @@ static Mesh *modifyMesh(ModifierData *md, const ModifierEvalContext *ctx, Mesh *
     /* if new mesh returned, return it; otherwise there was
      * an error, so delete the modifier object */
     if (result == NULL) {
-      modifier_setError(md, "Cannot execute boolean operation");
+      BKE_modifier_set_error(md, "Cannot execute boolean operation");
     }
   }
 
@@ -353,7 +353,7 @@ ModifierTypeInfo modifierType_Boolean = {
     /* type */ eModifierTypeType_Nonconstructive,
     /* flags */ eModifierTypeFlag_AcceptsMesh,
 
-    /* copyData */ modifier_copyData_generic,
+    /* copyData */ BKE_modifier_copydata_generic,
 
     /* deformVerts */ NULL,
     /* deformMatrices */ NULL,
diff --git a/source/blender/modifiers/intern/MOD_build.c b/source/blender/modifiers/intern/MOD_build.c
index 920e5eadf04..e0c45871017 100644
--- a/source/blender/modifiers/intern/MOD_build.c
+++ b/source/blender/modifiers/intern/MOD_build.c
@@ -282,7 +282,7 @@ ModifierTypeInfo modifierType_Build = {
     /* type */ eModifierTypeType_Nonconstructive,
     /* flags */ eModifierTypeFlag_AcceptsMesh | eModifierTypeFlag_AcceptsCVs,
 
-    /* copyData */ modifier_copyData_generic,
+    /* copyData */ BKE_modifier_copydata_generic,
 
     /* deformVerts */ NULL,
     /* deformMatrices */ NULL,
diff --git a/source/blender/modifiers/intern/MOD_cast.c b/source/blender/modifiers/intern/MOD_cast.c
index 9ef8049071b..1c7fb3cfa66 100644
--- a/source/blender/modifiers/intern/MOD_cast.c
+++ b/source/blender/modifiers/intern/MOD_cast.c
@@ -526,7 +526,7 @@ ModifierTypeInfo modifierType_Cast = {
     /* flags */ eModifierTypeFlag_AcceptsCVs | eModifierTypeFlag_AcceptsVertexCosOnly |
         eModifierTypeFlag_SupportsEditmode,
 
-    /* copyData */ modifier_copyData_generic,
+    /* copyData */ BKE_modifier_copydata_generic,
 
     /* deformVerts */ deformVerts,
     /* deformMatrices */ NULL,
diff --git a/source/blender/modifiers/intern/MOD_correctivesmooth.c b/source/blender/modifiers/intern/MOD_correctivesmooth.c
index 0d9a3d87612..b7dc68a8e46 100644
--- a/source/blender/modifiers/intern/MOD_correctivesmooth.c
+++ b/source/blender/modifiers/intern/MOD_correctivesmooth.c
@@ -79,7 +79,7 @@ static void copyData(const ModifierData *md, ModifierData *target, const int fla
   const CorrectiveSmoothModifierData *csmd = (const CorrectiveSmoothModifierData *)md;
   CorrectiveSmoothModifierData *tcsmd = (CorrectiveSmoothModifierData *)target;
 
-  modifier_copyData_generic(md, target, flag);
+  BKE_modifier_copydata_generic(md, target, flag);
 
   if (csmd->bind_coords) {
     tcsmd->bind_coords = MEM_dupallocN(csmd->bind_coords);
@@ -602,12 +602,12 @@ static void correctivesmooth_modifier_do(ModifierData *md,
       BLI_assert(csmd->bind_coords != NULL);
       /* Copy bound data to the original modifier. */
       CorrectiveSmoothModifierData *csmd_orig = (CorrectiveSmoothModifierData *)
-          modifier_get_original(&csmd->modifier);
+          BKE_modifier_get_original(&csmd->modifier);
       csmd_orig->bind_coords = MEM_dupallocN(csmd->bind_coords);
       csmd_orig->bind_coords_num = csmd->bind_coords_num;
     }
     else {
-      modifier_setError(md, "Attempt to bind from inactive dependency graph");
+      BKE_modifier_set_error(md, "Attempt to bind from inactive dependency graph");
     }
   }
 
@@ -617,14 +617,14 @@ static void correctivesmooth_modifier_do(ModifierData *md,
   }
 
   if ((csmd->rest_source == MOD_CORRECTIVESMOOTH_RESTSOURCE_BIND) && (csmd->bind_coords == NULL)) {
-    modifier_setError(md, "Bind data required");
+    BKE_modifier_set_error(md, "Bind data required");
     goto error;
   }
 
   /* If the number of verts has changed, the bind is invalid, so we do nothing */
   if (csmd->rest_source == MOD_CORRECTIVESMOOTH_RESTSOURCE_BIND) {
     if (csmd->bind_coords_num != numVerts) {
-      modifier_setError(
+      BKE_modifier_set_error(
           md, "Bind vertex count mismatch: %u to %u", csmd->bind_coords_num, numVerts);
       goto error;
     }
@@ -632,14 +632,14 @@ static void correctivesmooth_modifier_do(ModifierData *md,
   else {
     /* MOD_CORRECTIVESMOOTH_RESTSOURCE_ORCO */
     if (ob->type != OB_MESH) {
-      modifier_setError(md, "Object is not a mesh");
+      BKE_modifier_set_error(md, "Object is not a mesh");
       goto error;
     }
     else {
       uint me_numVerts = (uint)((em) ? em->bm->totvert : ((Mesh *)ob->data)->totvert);
 
       if (me_numVerts != numVerts) {
-        modifier_setError(md, "Original vertex count mismatch: %u to %u", me_numVerts, numVerts);
+        BKE_modifier_set_error(md, "Original vertex count mismatch: %u to %u", me_numVerts, numVerts);
         goto error;
       }
     }
diff --git a/source/blender/modifiers/intern/MOD_curve.c b/source/blender/modifiers/intern/MOD_curve.c
index 14f0d2774a5..01c1cba7424 100644
--- a/source/blender/modifiers/intern/MOD_curve.c
+++ b/source/blender/modifiers/intern/MOD_curve.c
@@ -157,7 +157,7 @@ ModifierTypeInfo modifierType_Curve = {
     /* flags */ eModifierTypeFlag_AcceptsCVs | eModifierTypeFlag_AcceptsVertexCosOnly |
         eModifierTypeFlag_SupportsEditmode,
 
-    /* copyData */ modifier_copyData_generic,
+    /* copyData */ BKE_modifier_copydata_generic,
 
     /* deformVerts */ deformVerts,
     /* deformMatrices */ NULL,
diff --git a/source/blender/modifiers/intern/MOD_datatransfer.c b/source/blender/modifiers/intern/MOD_datatransfer.c
index b54d5fed390..2dd4c5f6ec3 100644
--- a/source/blender/modifiers/intern/MOD_datatransfer.c
+++ b/source/blender/modifiers/intern/MOD_datatransfer.c
@@ -217,14 +217,14 @@ static Mesh *modifyMesh(ModifierData *md, const ModifierEvalContext *ctx, Mesh *
                               &reports);
 
   if (BKE_reports_contain(&reports, RPT_ERROR)) {
-    modifier_setError(md, "%s", BKE_reports_string(&reports, RPT_ERROR));
+    BKE_modifier_set_error(md, "%s", BKE_reports_string(&reports, RPT_ERROR));
   }
   else if ((dtmd->data_types & DT_TYPE_LNOR) && !(me->flag & ME_AUTOSMOOTH)) {
-    modifier_setError((ModifierData *)dtmd, "Enable 'Auto Smooth' in Object Data Properties");
+    BKE_modifier_set_error((ModifierData *)dtmd, "Enable 'Auto Smooth' in Object Data Properties");
   }
   else if (result->totvert > HIGH_POLY_WARNING ||
            ((Mesh *)(ob_source->data))->totvert > HIGH_POLY_WARNING) {
-    modifier_setError(
+    BKE_modifier_set_error(
         md, "Source or destination object has a high polygon count, computation might be slow");
   }
 
@@ -242,7 +242,7 @@ ModifierTypeInfo modifierType_DataTransfer = {
     /* flags */ eModifierTypeFlag_AcceptsMesh | eModifierTypeFlag_SupportsMapping |
         eModifierTypeFlag_SupportsEditmode | eModifierTypeFlag_UsesPreview,
 
-    /* copyData */ modifier_copyData_generic,
+    /* copyData */ BKE_modifier_copydata_generic,
 
     /* deformVerts */ NULL,
     /* deformMatrices */ NULL,
diff --git a/source/blender/modifiers/intern/MOD_decimate.c b/source/blender/modifiers/intern/MOD_decimate.c
index e9d77a699d8..6e50a39b295 100644
--- a/source/blender/modifiers/intern/MOD_decimate.c
+++ b/source/blender/modifiers/intern/MOD_decimate.c
@@ -73,7 +73,7 @@ static DecimateModifierData *getOriginalModifierData(const DecimateModifierData
                                                      const ModifierEvalContext *ctx)
 {
   Object *ob_orig = DEG_get_original_object(ctx->object);
-  return (DecimateModifierData *)modifiers_findByName(ob_orig, dmd->modifier.name);
+  return (DecimateModifierData *)BKE_modifiers_findny_name(ob_orig, dmd->modifier.name);
 }
 
 static void updateFaceCount(const ModifierEvalContext *ctx,
@@ -128,7 +128,7 @@ static Mesh *modifyMesh(ModifierData *md, const ModifierEvalContext *ctx, Mesh *
   }
 
   if (dmd->face_count <= 3) {
-    modifier_setError(md, "Modifier requires more than 3 input faces");
+    BKE_modifier_set_error(md, "Modifier requires more than 3 input faces");
     return mesh;
   }
 
@@ -222,7 +222,7 @@ ModifierTypeInfo modifierType_Decimate = {
     /* type */ eModifierTypeType_Nonconstructive,
     /* flags */ eModifierTypeFlag_AcceptsMesh | eModifierTypeFlag_AcceptsCVs,
 
-    /* copyData */ modifier_copyData_generic,
+    /* copyData */ BKE_modifier_copydata_generic,
 
     /* deformVerts */ NULL,
     /* deformMatrices */ NULL,
diff --git a/source/blender/modifiers/intern/MOD_displace.c b/source/blender/modifiers/intern/MOD_displace.c
index c8705fa560d..95ffbd46ea3 100644
--- a/source/blender/modifiers/intern/MOD_displace.c
+++ b/source/blender/modifiers/intern/MOD_displace.c
@@ -421,7 +421,7 @@ ModifierTypeInfo modifierType_Displace = {
     /* type */ eModifierTypeType_OnlyDeform,
     /* flags */ eModifierTypeFlag_AcceptsMesh | eModifierTypeFlag_SupportsEditmode,
 
-    /* copyData */ modifier_copyData_generic,
+    /* copyData */ BKE_modifier_copydata_generic,
 
     /* deformVerts */ deformVerts,
     /* deformMatrices */ NULL,
diff --git a/source/blender/modifiers/intern/MOD_edgesplit.c b/source/blender/modifiers/intern/MOD_edgesplit.c
index fc4091fabf6..40922b73b2c 100644
--- a/source/blender/modifiers/intern/MOD_edgesplit.c
+++ b/source/blender/modifiers/intern/MOD_edgesplit.c
@@ -136,7 +136,7 @@ ModifierTypeInfo modifierType_EdgeSplit = {
         eModifierTypeFlag_SupportsMapping | eModifierTypeFlag_SupportsEditmode |
         eModifierTypeFlag_EnableInEditmode,
 
-    /* copyData */ modifier_copyData_generic,
+    /* copyData */ BKE_modifier_copydata_generic,
 
     /* deformVerts */ NULL,
     /* deformMatrices */ NULL,
diff --git a/source/blender/modifiers/intern/MOD_explode.c b/source/blender/modifiers/intern/MOD_explode.c
index a3827e249ed..4eee858e1e5 100644
--- a/source/blender/modifiers/intern/MOD_explode.c
+++ b/source/blender/modifiers/intern/MOD_explode.c
@@ -67,7 +67,7 @@ static void copyData(const ModifierData *md, ModifierData *target, const int fla
 #endif
   ExplodeModifierData *temd = (ExplodeModifierData *)target;
 
-  modifier_copyData_generic(md, target, flag);
+  BKE_modifier_copydata_generic(md, target, flag);
 
   temd->facepa = NULL;
 }
diff --git a/source/blender/modifiers/intern/MOD_hook.c b/source/blender/modifiers/intern/MOD_hook.c
index b7ae025fbc2..80e725c4ce8 100644
--- a/source/blender/modifiers/intern/MOD_hook.c
+++ b/source/blender/modifiers/intern/MOD_hook.c
@@ -59,7 +59,7 @@ static void copyData(const ModifierData *md, ModifierData *target, const int fla
   const HookModifierData *hmd = (const HookModifierData *)md;
   HookModifierData *thmd = (HookModifierData *)target;
 
-  modifier_copyData_generic(md, target, flag);
+  BKE_modifier_copydata_generic(md, target, flag);
 
   thmd->curfalloff = BKE_curvemapping_copy(hmd->curfalloff);
 
diff --git a/source/blender/modifiers/intern/MOD_laplaciandeform.c b/source/blender/modifiers/intern/MOD_laplaciandeform.c
index 73c9751bae7..72660ce1997 100644
--- a/source/blender/modifiers/intern/MOD_laplaciandeform.c
+++ b/source/blender/modifiers/intern/MOD_laplaciandeform.c
@@ -667,15 +667,15 @@ static void LaplacianDeformModifier_do(
       }
       else {
         if (sysdif == LAPDEFORM_SYSTEM_CHANGE_VERTEXES) {
-          modifier_setError(
+          BKE_modifier_set_error(
               &lmd->modifier, "Vertices changed from %d to %d", lmd->total_verts, numVerts);
         }
         else if (sysdif == LAPDEFORM_SYSTEM_CHANGE_EDGES) {
-          modifier_setError(
+          BKE_modifier_set_error(
               &lmd->modifier, "Edges changed from %d to %d", sys->total_edges, mesh->totedge);
         }
         else if (sysdif == LAPDEFORM_SYSTEM_CHANGE_NOT_VALID_GROUP) {
-          modifier_setError(&lmd->modifier,
+          BKE_modifier_set_error(&lmd->modifier,
                             "Vertex group '%s' is not valid, or maybe empty",
                             sys->anchor_grp_name);
         }
@@ -688,7 +688,7 @@ static void LaplacianDeformModifier_do(
   }
   else {
     if (!isValidVertexGroup(lmd, ob, mesh)) {
-      modifier_setError(
+      BKE_modifier_set_error(
           &lmd->modifier, "Vertex group '%s' is not valid, or maybe empty", lmd->anchor_grp_name);
       lmd->flag &= ~MOD_LAPLACIANDEFORM_BIND;
     }
@@ -709,7 +709,7 @@ static void LaplacianDeformModifier_do(
     }
   }
   if (sys && sys->is_matrix_computed && !sys->has_solution) {
-    modifier_setError(&lmd->modifier, "The system did not find a solution");
+    BKE_modifier_set_error(&lmd->modifier, "The system did not find a solution");
   }
 }
 
@@ -729,7 +729,7 @@ static void copyData(const ModifierData *md, ModifierData *target, const int fla
   const LaplacianDeformModifierData *lmd = (const LaplacianDeformModifierData *)md;
   LaplacianDeformModifierData *tlmd = (LaplacianDeformModifierData *)target;
 
-  modifier_copyData_generic(md, target, flag);
+  BKE_modifier_copydata_generic(md, target, flag);
 
   tlmd->vertexco = MEM_dupallocN(lmd->vertexco);
   tlmd->cache_system = NULL;
diff --git a/source/blender/modifiers/intern/MOD_laplaciansmooth.c b/source/blender/modifiers/intern/MOD_laplaciansmooth.c
index 2d64227408d..a4a53fcac3c 100644
--- a/source/blender/modifiers/intern/MOD_laplaciansmooth.c
+++ b/source/blender/modifiers/intern/MOD_laplaciansmooth.c
@@ -574,7 +574,7 @@ ModifierTypeInfo modifierType_LaplacianSmooth = {
     /* type */ eModifierTypeType_OnlyDeform,
     /* flags */ eModifierTypeFlag_AcceptsMesh | eModifierTypeFlag_SupportsEditmode,
 
-    /* copyData */ modifier_copyData_generic,
+    /* copyData */ BKE_modifier_copydata_generic,
 
     /* deformVerts */ deformVerts,
     /* deformMatrices */ NULL,
diff --git a/source/blender/modifiers/intern/MOD_lattice.c b/source/blender/modifiers/intern/MOD_lattice.c
index c07a012304f..7c3e5c36b84 100644
--- a/source/blender/modifiers/intern/MOD_lattice.c
+++ b/source/blender/modifiers/intern/MOD_lattice.c
@@ -140,7 +140,7 @@ ModifierTypeInfo modifierType_Lattice = {
     /* flags */ eModifierTypeFlag_AcceptsCVs | eModifierTypeFlag_AcceptsVertexCosOnly |
         eModifierTypeFlag_SupportsEditmode,
 
-    /* copyData */ modifier_copyData_generic,
+    /* copyData */ BKE_modifier_copydata_generic,
 
     /* deformVerts */ deformVerts,
     /* deformMatrices */ NULL,
diff --git a/source/blender/modifiers/intern/MOD_mask.cc b/source/blender/modifiers/intern/MOD_mask.cc
index f98461fa47e..5bf18e30977 100644
--- a/source/blender/modifiers/intern/MOD_mask.cc
+++ b/source/blender/modifiers/intern/MOD_mask.cc
@@ -395,7 +395,7 @@ ModifierTypeInfo modifierType_Mask = {
     (ModifierTypeFlag)(eModifierTypeFlag_AcceptsMesh | eModifierTypeFlag_SupportsMapping |
                        eModifierTypeFlag_SupportsEditmode),
 
-    /* copyData */ modifier_copyData_generic,
+    /* copyData */ BKE_modifier_copydata_generic,
 
     /* deformVerts */ NULL,
     /* deformMatrices */ NULL,
diff --git a/source/blender/modifiers/intern/MOD_meshcache.c b/source/blender/modifiers/intern/MOD_meshcache.c
index 96e69df1bb5..219de1569b3 100644
--- a/source/blender/modifiers/intern/MOD_meshcache.c
+++ b/source/blender/modifiers/intern/MOD_meshcache.c
@@ -167,13 +167,13 @@ static void meshcache_do(MeshCacheModifierData *mcmd,
 
     /* we could support any object type */
     if (UNLIKELY(ob->type != OB_MESH)) {
-      modifier_setError(&mcmd->modifier, "'Integrate' only valid for Mesh objects");
+      BKE_modifier_set_error(&mcmd->modifier, "'Integrate' only valid for Mesh objects");
     }
     else if (UNLIKELY(me->totvert != numVerts)) {
-      modifier_setError(&mcmd->modifier, "'Integrate' original mesh vertex mismatch");
+      BKE_modifier_set_error(&mcmd->modifier, "'Integrate' original mesh vertex mismatch");
     }
     else if (UNLIKELY(me->totpoly == 0)) {
-      modifier_setError(&mcmd->modifier, "'Integrate' requires faces");
+      BKE_modifier_set_error(&mcmd->modifier, "'Integrate' requires faces");
     }
     else {
       /* the moons align! */
@@ -212,7 +212,7 @@ static void meshcache_do(MeshCacheModifierData *mcmd,
   /* -------------------------------------------------------------------- */
   /* Apply the transformation matrix (if needed) */
   if (UNLIKELY(err_str)) {
-    modifier_setError(&mcmd->modifier, "%s", err_str);
+    BKE_modifier_set_error(&mcmd->modifier, "%s", err_str);
   }
   else if (ok) {
     bool use_matrix = false;
@@ -295,7 +295,7 @@ ModifierTypeInfo modifierType_MeshCache = {
     /* flags */ eModifierTypeFlag_AcceptsCVs | eModifierTypeFlag_AcceptsVertexCosOnly |
         eModifierTypeFlag_SupportsEditmode,
 
-    /* copyData */ modifier_copyData_generic,
+    /* copyData */ BKE_modifier_copydata_generic,
 
     /* deformVerts */ deformVerts,
     /* deformMatrices */ NULL,
diff --git a/source/blender/modifiers/intern/MOD_meshdeform.c b/source/blender/modifiers/intern/MOD_meshdeform.c
index 67eb4766bd6..74d975389d5 100644
--- a/source/blender/modifiers/intern/MOD_meshdeform.c
+++ b/source/blender/modifiers/intern/MOD_meshdeform.c
@@ -93,7 +93,7 @@ static void copyData(const ModifierData *md, ModifierData *target, const int fla
   const MeshDeformModifierData *mmd = (const MeshDeformModifierData *)md;
   MeshDeformModifierData *tmmd = (MeshDeformModifierData *)target;
 
-  modifier_copyData_generic(md, target, flag);
+  BKE_modifier_copydata_generic(md, target, flag);
 
   if (mmd->bindinfluences) {
     tmmd->bindinfluences = MEM_dupallocN(mmd->bindinfluences);
@@ -363,7 +363,7 @@ static void meshdeformModifier_do(ModifierData *md,
   Object *ob_target = mmd->object;
   cagemesh = BKE_modifier_get_evaluated_mesh_from_evaluated_object(ob_target, false);
   if (cagemesh == NULL) {
-    modifier_setError(md, "Cannot get mesh from cage object");
+    BKE_modifier_set_error(md, "Cannot get mesh from cage object");
     return;
   }
 
@@ -378,7 +378,7 @@ static void meshdeformModifier_do(ModifierData *md,
   if (!mmd->bindcagecos) {
     /* progress bar redraw can make this recursive .. */
     if (!DEG_is_active(ctx->depsgraph)) {
-      modifier_setError(md, "Attempt to bind from inactive dependency graph");
+      BKE_modifier_set_error(md, "Attempt to bind from inactive dependency graph");
       goto finally;
     }
     if (!recursive_bind_sentinel) {
@@ -395,15 +395,15 @@ static void meshdeformModifier_do(ModifierData *md,
   totcagevert = cagemesh->totvert;
 
   if (mmd->totvert != totvert) {
-    modifier_setError(md, "Verts changed from %d to %d", mmd->totvert, totvert);
+    BKE_modifier_set_error(md, "Verts changed from %d to %d", mmd->totvert, totvert);
     goto finally;
   }
   else if (mmd->totcagevert != totcagevert) {
-    modifier_setError(md, "Cage verts changed from %d to %d", mmd->totcagevert, totcagevert);
+    BKE_modifier_set_error(md, "Cage verts changed from %d to %d", mmd->totcagevert, totcagevert);
     goto finally;
   }
   else if (mmd->bindcagecos == NULL) {
-    modifier_setError(md, "Bind data missing");
+    BKE_modifier_set_error(md, "Bind data missing");
     goto finally;
   }
 
@@ -488,7 +488,7 @@ static void deformVertsEM(ModifierData *md,
 
 #define MESHDEFORM_MIN_INFLUENCE 0.00001f
 
-void modifier_mdef_compact_influences(ModifierData *md)
+void BKE_modifier_mdef_compact_influences(ModifierData *md)
 {
   MeshDeformModifierData *mmd = (MeshDeformModifierData *)md;
   float weight, *weights, totweight;
diff --git a/source/blender/modifiers/intern/MOD_meshsequencecache.c b/source/blender/modifiers/intern/MOD_meshsequencecache.c
index fee04217525..2d24730c17d 100644
--- a/source/blender/modifiers/intern/MOD_meshsequencecache.c
+++ b/source/blender/modifiers/intern/MOD_meshsequencecache.c
@@ -64,7 +64,7 @@ static void copyData(const ModifierData *md, ModifierData *target, const int fla
 #endif
   MeshSeqCacheModifierData *tmcmd = (MeshSeqCacheModifierData *)target;
 
-  modifier_copyData_generic(md, target, flag);
+  BKE_modifier_copydata_generic(md, target, flag);
 
   tmcmd->reader = NULL;
   tmcmd->reader_object_path[0] = '\0';
@@ -109,7 +109,7 @@ static Mesh *modifyMesh(ModifierData *md, const ModifierEvalContext *ctx, Mesh *
     STRNCPY(mcmd->reader_object_path, mcmd->object_path);
     BKE_cachefile_reader_open(cache_file, &mcmd->reader, ctx->object, mcmd->object_path);
     if (!mcmd->reader) {
-      modifier_setError(md, "Could not create Alembic reader for file %s", cache_file->filepath);
+      BKE_modifier_set_error(md, "Could not create Alembic reader for file %s", cache_file->filepath);
       return mesh;
     }
   }
@@ -141,7 +141,7 @@ static Mesh *modifyMesh(ModifierData *md, const ModifierEvalContext *ctx, Mesh *
   Mesh *result = ABC_read_mesh(mcmd->reader, ctx->object, mesh, time, &err_str, mcmd->read_flag);
 
   if (err_str) {
-    modifier_setError(md, "%s", err_str);
+    BKE_modifier_set_error(md, "%s", err_str);
   }
 
   if (!ELEM(result, NULL, mesh) && (mesh != org_mesh)) {
diff --git a/source/blender/modifiers/intern/MOD_mirror.c b/source/blender/modifiers/intern/MOD_mirror.c
index f05f12ebfeb..e3bebb31f49 100644
--- a/source/blender/modifiers/intern/MOD_mirror.c
+++ b/source/blender/modifiers/intern/MOD_mirror.c
@@ -124,7 +124,7 @@ ModifierTypeInfo modifierType_Mirror = {
         /* this is only the case when 'MOD_MIR_VGROUP' is used */
         eModifierTypeFlag_UsesPreview,
 
-    /* copyData */ modifier_copyData_generic,
+    /* copyData */ BKE_modifier_copydata_generic,
 
     /* deformVerts */ NULL,
     /* deformMatrices */ NULL,
diff --git a/source/blender/modifiers/intern/MOD_multires.c b/source/blender/modifiers/intern/MOD_multires.c
index 751cd46ac62..49979882e6f 100644
--- a/source/blender/modifiers/intern/MOD_multires.c
+++ b/source/blender/modifiers/intern/MOD_multires.c
@@ -66,7 +66,7 @@ static void initData(ModifierData *md)
 
 static void copyData(const ModifierData *md_src, ModifierData *md_dst, const int flag)
 {
-  modifier_copyData_generic(md_src, md_dst, flag);
+  BKE_modifier_copydata_generic(md_src, md_dst, flag);
 }
 
 static void freeRuntimeData(void *runtime_data_v)
@@ -176,7 +176,7 @@ static Mesh *modifyMesh(ModifierData *md, const ModifierEvalContext *ctx, Mesh *
 {
   Mesh *result = mesh;
 #if !defined(WITH_OPENSUBDIV)
-  modifier_setError(md, "Disabled, built without OpenSubdiv");
+  BKE_modifier_set_error(md, "Disabled, built without OpenSubdiv");
   return result;
 #endif
   MultiresModifierData *mmd = (MultiresModifierData *)md;
@@ -245,7 +245,7 @@ static void deformMatrices(ModifierData *md,
 
 {
 #if !defined(WITH_OPENSUBDIV)
-  modifier_setError(md, "Disabled, built without OpenSubdiv");
+  BKE_modifier_set_error(md, "Disabled, built without OpenSubdiv");
   return;
 #endif
 
diff --git a/source/blender/modifiers/intern/MOD_normal_edit.c b/source/blender/modifiers/intern/MOD_normal_edit.c
index ccbc0de900f..c4e858a0fec 100644
--- a/source/blender/modifiers/intern/MOD_normal_edit.c
+++ b/source/blender/modifiers/intern/MOD_normal_edit.c
@@ -464,7 +464,7 @@ static bool is_valid_target(NormalEditModifierData *enmd)
   else if ((enmd->mode == MOD_NORMALEDIT_MODE_DIRECTIONAL) && enmd->target) {
     return true;
   }
-  modifier_setError((ModifierData *)enmd, "Invalid target settings");
+  BKE_modifier_set_error((ModifierData *)enmd, "Invalid target settings");
   return false;
 }
 
@@ -494,7 +494,7 @@ static Mesh *normalEditModifier_do(NormalEditModifierData *enmd,
   if (!(((Mesh *)ob->data)->flag & ME_AUTOSMOOTH))
 #endif
   {
-    modifier_setError((ModifierData *)enmd, "Enable 'Auto Smooth' in Object Data Properties");
+    BKE_modifier_set_error((ModifierData *)enmd, "Enable 'Auto Smooth' in Object Data Properties");
     return mesh;
   }
 
@@ -697,7 +697,7 @@ ModifierTypeInfo modifierType_NormalEdit = {
     /* flags */ eModifierTypeFlag_AcceptsMesh | eModifierTypeFlag_SupportsMapping |
         eModifierTypeFlag_SupportsEditmode | eModifierTypeFlag_EnableInEditmode,
 
-    /* copyData */ modifier_copyData_generic,
+    /* copyData */ BKE_modifier_copydata_generic,
 
     /* deformVerts */ NULL,
     /* deformMatrices */ NULL,
diff --git a/source/blender/modifiers/intern/MOD_ocean.c b/source/blender/modifiers/intern/MOD_ocean.c
index b98dee493ef..4c7c644952b 100644
--- a/source/blender/modifiers/intern/MOD_ocean.c
+++ b/source/blender/modifiers/intern/MOD_ocean.c
@@ -46,7 +46,7 @@
 #ifdef WITH_OCEANSIM
 static void init_cache_data(Object *ob, struct OceanModifierData *omd)
 {
-  const char *relbase = modifier_path_relbase_from_global(ob);
+  const char *relbase = BKE_modifier_path_relbase_from_global(ob);
 
   omd->oceancache = BKE_ocean_init_cache(omd->cachepath,
                                          relbase,
@@ -100,7 +100,7 @@ static void initData(ModifierData *md)
   omd->repeat_x = 1;
   omd->repeat_y = 1;
 
-  modifier_path_init(omd->cachepath, sizeof(omd->cachepath), "cache_ocean");
+  BKE_modifier_path_init(omd->cachepath, sizeof(omd->cachepath), "cache_ocean");
 
   omd->cached = 0;
   omd->bakestart = 1;
@@ -141,7 +141,7 @@ static void copyData(const ModifierData *md, ModifierData *target, const int fla
 #  endif
   OceanModifierData *tomd = (OceanModifierData *)target;
 
-  modifier_copyData_generic(md, target, flag);
+  BKE_modifier_copydata_generic(md, target, flag);
 
   /* The oceancache object will be recreated for this copy
    * automatically when cached=true */
diff --git a/source/blender/modifiers/intern/MOD_particleinstance.c b/source/blender/modifiers/intern/MOD_particleinstance.c
index 78e9293effe..07b639cff93 100644
--- a/source/blender/modifiers/intern/MOD_particleinstance.c
+++ b/source/blender/modifiers/intern/MOD_particleinstance.c
@@ -110,7 +110,7 @@ static bool isDisabled(const struct Scene *scene, ModifierData *md, bool useRend
           required_mode = eModifierMode_Realtime;
         }
 
-        if (!modifier_isEnabled(scene, ob_md, required_mode)) {
+        if (!BKE_modifier_is_enabled(scene, ob_md, required_mode)) {
           return true;
         }
 
@@ -554,7 +554,7 @@ ModifierTypeInfo modifierType_ParticleInstance = {
     /* flags */ eModifierTypeFlag_AcceptsMesh | eModifierTypeFlag_SupportsMapping |
         eModifierTypeFlag_SupportsEditmode | eModifierTypeFlag_EnableInEditmode,
 
-    /* copyData */ modifier_copyData_generic,
+    /* copyData */ BKE_modifier_copydata_generic,
 
     /* deformVerts */ NULL,
     /* deformMatrices */ NULL,
diff --git a/source/blender/modifiers/intern/MOD_particlesystem.c b/source/blender/modifiers/intern/MOD_particlesystem.c
index 03754df45ad..8d5184f4df6 100644
--- a/source/blender/modifiers/intern/MOD_particlesystem.c
+++ b/source/blender/modifiers/intern/MOD_particlesystem.c
@@ -61,7 +61,7 @@ static void freeData(ModifierData *md)
   psmd->totdmvert = psmd->totdmedge = psmd->totdmface = 0;
 
   /* ED_object_modifier_remove may have freed this first before calling
-   * modifier_free (which calls this function) */
+   * BKE_modifier_free (which calls this function) */
   if (psmd->psys) {
     psmd->psys->flag |= PSYS_DELETE;
   }
@@ -74,7 +74,7 @@ static void copyData(const ModifierData *md, ModifierData *target, const int fla
 #endif
   ParticleSystemModifierData *tpsmd = (ParticleSystemModifierData *)target;
 
-  modifier_copyData_generic(md, target, flag);
+  BKE_modifier_copydata_generic(md, target, flag);
 
   tpsmd->mesh_final = NULL;
   tpsmd->mesh_original = NULL;
@@ -216,7 +216,7 @@ static void deformVerts(ModifierData *md,
 
   if (DEG_is_active(ctx->depsgraph)) {
     Object *object_orig = DEG_get_original_object(ctx->object);
-    ModifierData *md_orig = modifiers_findByName(object_orig, psmd->modifier.name);
+    ModifierData *md_orig = BKE_modifiers_findny_name(object_orig, psmd->modifier.name);
     BLI_assert(md_orig != NULL);
     ParticleSystemModifierData *psmd_orig = (ParticleSystemModifierData *)md_orig;
     psmd_orig->flag = psmd->flag;
diff --git a/source/blender/modifiers/intern/MOD_remesh.c b/source/blender/modifiers/intern/MOD_remesh.c
index a693ad4767d..cdb513595a1 100644
--- a/source/blender/modifiers/intern/MOD_remesh.c
+++ b/source/blender/modifiers/intern/MOD_remesh.c
@@ -227,7 +227,7 @@ ModifierTypeInfo modifierType_Remesh = {
     /* flags */ eModifierTypeFlag_AcceptsMesh | eModifierTypeFlag_AcceptsCVs |
         eModifierTypeFlag_SupportsEditmode,
 
-    /* copyData */ modifier_copyData_generic,
+    /* copyData */ BKE_modifier_copydata_generic,
 
     /* deformVerts */ NULL,
     /* deformMatrices */ NULL,
diff --git a/source/blender/modifiers/intern/MOD_screw.c b/source/blender/modifiers/intern/MOD_screw.c
index 5962df6ce61..84be34c79ec 100644
--- a/source/blender/modifiers/intern/MOD_screw.c
+++ b/source/blender/modifiers/intern/MOD_screw.c
@@ -1165,7 +1165,7 @@ ModifierTypeInfo modifierType_Screw = {
     /* flags */ eModifierTypeFlag_AcceptsMesh | eModifierTypeFlag_AcceptsCVs |
         eModifierTypeFlag_SupportsEditmode | eModifierTypeFlag_EnableInEditmode,
 
-    /* copyData */ modifier_copyData_generic,
+    /* copyData */ BKE_modifier_copydata_generic,
 
     /* deformVerts */ NULL,
     /* deformMatrices */ NULL,
diff --git a/source/blender/modifiers/intern/MOD_shrinkwrap.c b/source/blender/modifiers/intern/MOD_shrinkwrap.c
index e686f837cb5..70d7f69a254 100644
--- a/source/blender/modifiers/intern/MOD_shrinkwrap.c
+++ b/source/blender/modifiers/intern/MOD_shrinkwrap.c
@@ -207,7 +207,7 @@ ModifierTypeInfo modifierType_Shrinkwrap = {
         eModifierTypeFlag_AcceptsVertexCosOnly | eModifierTypeFlag_SupportsEditmode |
         eModifierTypeFlag_EnableInEditmode,
 
-    /* copyData */ modifier_copyData_generic,
+    /* copyData */ BKE_modifier_copydata_generic,
 
     /* deformVerts */ deformVerts,
     /* deformMatrices */ NULL,
diff --git a/source/blender/modifiers/intern/MOD_simpledeform.c b/source/blender/modifiers/intern/MOD_simpledeform.c
index 902037ff939..526152cf7c9 100644
--- a/source/blender/modifiers/intern/MOD_simpledeform.c
+++ b/source/blender/modifiers/intern/MOD_simpledeform.c
@@ -457,7 +457,7 @@ ModifierTypeInfo modifierType_SimpleDeform = {
         eModifierTypeFlag_AcceptsVertexCosOnly | eModifierTypeFlag_SupportsEditmode |
         eModifierTypeFlag_EnableInEditmode,
 
-    /* copyData */ modifier_copyData_generic,
+    /* copyData */ BKE_modifier_copydata_generic,
 
     /* deformVerts */ deformVerts,
     /* deformMatrices */ NULL,
diff --git a/source/blender/modifiers/intern/MOD_skin.c b/source/blender/modifiers/intern/MOD_skin.c
index 4c4ff806476..0df312fc603 100644
--- a/source/blender/modifiers/intern/MOD_skin.c
+++ b/source/blender/modifiers/intern/MOD_skin.c
@@ -1779,7 +1779,7 @@ static BMesh *build_skin(SkinNode *skin_nodes,
   skin_update_merged_vertices(skin_nodes, totvert);
 
   if (!skin_output_branch_hulls(&so, skin_nodes, totvert, emap, medge)) {
-    modifier_setError(&smd->modifier, "Hull error");
+    BKE_modifier_set_error(&smd->modifier, "Hull error");
   }
 
   /* Merge triangles here in the hope of providing better target
@@ -1862,7 +1862,7 @@ static Mesh *base_skin(Mesh *origmesh, SkinModifierData *smd)
   MEM_freeN(emapmem);
 
   if (!has_valid_root) {
-    modifier_setError(
+    BKE_modifier_set_error(
         &smd->modifier,
         "No valid root vertex found (you need one per mesh island you want to skin)");
   }
@@ -1935,7 +1935,7 @@ ModifierTypeInfo modifierType_Skin = {
     /* type */ eModifierTypeType_Constructive,
     /* flags */ eModifierTypeFlag_AcceptsMesh | eModifierTypeFlag_SupportsEditmode,
 
-    /* copyData */ modifier_copyData_generic,
+    /* copyData */ BKE_modifier_copydata_generic,
 
     /* deformVerts */ NULL,
     /* deformMatrices */ NULL,
diff --git a/source/blender/modifiers/intern/MOD_smooth.c b/source/blender/modifiers/intern/MOD_smooth.c
index f40fd22d233..296698a9839 100644
--- a/source/blender/modifiers/intern/MOD_smooth.c
+++ b/source/blender/modifiers/intern/MOD_smooth.c
@@ -231,7 +231,7 @@ ModifierTypeInfo modifierType_Smooth = {
     /* flags */ eModifierTypeFlag_AcceptsMesh | eModifierTypeFlag_AcceptsCVs |
         eModifierTypeFlag_SupportsEditmode,
 
-    /* copyData */ modifier_copyData_generic,
+    /* copyData */ BKE_modifier_copydata_generic,
 
     /* deformVerts */ deformVerts,
     /* deformMatrices */ NULL,
diff --git a/source/blender/modifiers/intern/MOD_solidify.c b/source/blender/modifiers/intern/MOD_solidify.c
index 3a86ac43f9b..025237af42e 100644
--- a/source/blender/modifiers/intern/MOD_solidify.c
+++ b/source/blender/modifiers/intern/MOD_solidify.c
@@ -94,7 +94,7 @@ ModifierTypeInfo modifierType_Solidify = {
         eModifierTypeFlag_SupportsMapping | eModifierTypeFlag_SupportsEditmode |
         eModifierTypeFlag_EnableInEditmode,
 
-    /* copyData */ modifier_copyData_generic,
+    /* copyData */ BKE_modifier_copydata_generic,
 
     /* deformVerts */ NULL,
     /* deformMatrices */ NULL,
diff --git a/source/blender/modifiers/intern/MOD_solidify_nonmanifold.c b/source/blender/modifiers/intern/MOD_solidify_nonmanifold.c
index d237b55e900..2eb451ad7e6 100644
--- a/source/blender/modifiers/intern/MOD_solidify_nonmanifold.c
+++ b/source/blender/modifiers/intern/MOD_solidify_nonmanifold.c
@@ -2424,15 +2424,15 @@ Mesh *MOD_solidify_nonmanifold_modifyMesh(ModifierData *md,
     MEM_freeN(face_edges);
   }
   if (edge_index != numNewEdges) {
-    modifier_setError(
+    BKE_modifier_set_error(
         md, "Internal Error: edges array wrong size: %u instead of %u", numNewEdges, edge_index);
   }
   if (poly_index != numNewPolys) {
-    modifier_setError(
+    BKE_modifier_set_error(
         md, "Internal Error: polys array wrong size: %u instead of %u", numNewPolys, poly_index);
   }
   if (loop_index != numNewLoops) {
-    modifier_setError(
+    BKE_modifier_set_error(
         md, "Internal Error: loops array wrong size: %u instead of %u", numNewLoops, loop_index);
   }
   BLI_assert(edge_index == numNewEdges);
diff --git a/source/blender/modifiers/intern/MOD_subsurf.c b/source/blender/modifiers/intern/MOD_subsurf.c
index cf31f15e17b..62ef4917bcf 100644
--- a/source/blender/modifiers/intern/MOD_subsurf.c
+++ b/source/blender/modifiers/intern/MOD_subsurf.c
@@ -68,7 +68,7 @@ static void copyData(const ModifierData *md, ModifierData *target, const int fla
 #endif
   SubsurfModifierData *tsmd = (SubsurfModifierData *)target;
 
-  modifier_copyData_generic(md, target, flag);
+  BKE_modifier_copydata_generic(md, target, flag);
 
   tsmd->emCache = tsmd->mCache = NULL;
 }
@@ -210,7 +210,7 @@ static Mesh *modifyMesh(ModifierData *md, const ModifierEvalContext *ctx, Mesh *
 {
   Mesh *result = mesh;
 #if !defined(WITH_OPENSUBDIV)
-  modifier_setError(md, "Disabled, built without OpenSubdiv");
+  BKE_modifier_set_error(md, "Disabled, built without OpenSubdiv");
   return result;
 #endif
   SubsurfModifierData *smd = (SubsurfModifierData *)md;
@@ -249,7 +249,7 @@ static void deformMatrices(ModifierData *md,
                            int num_verts)
 {
 #if !defined(WITH_OPENSUBDIV)
-  modifier_setError(md, "Disabled, built without OpenSubdiv");
+  BKE_modifier_set_error(md, "Disabled, built without OpenSubdiv");
   return;
 #endif
 
diff --git a/source/blender/modifiers/intern/MOD_surface.c b/source/blender/modifiers/intern/MOD_surface.c
index 01c1119566b..fe0c866e720 100644
--- a/source/blender/modifiers/intern/MOD_surface.c
+++ b/source/blender/modifiers/intern/MOD_surface.c
@@ -56,7 +56,7 @@ static void copyData(const ModifierData *md_src, ModifierData *md_dst, const int
 {
   SurfaceModifierData *surmd_dst = (SurfaceModifierData *)md_dst;
 
-  modifier_copyData_generic(md_src, md_dst, flag);
+  BKE_modifier_copydata_generic(md_src, md_dst, flag);
 
   surmd_dst->bvhtree = NULL;
   surmd_dst->mesh = NULL;
diff --git a/source/blender/modifiers/intern/MOD_surfacedeform.c b/source/blender/modifiers/intern/MOD_surfacedeform.c
index 0f3fbf15d52..880f0207ed0 100644
--- a/source/blender/modifiers/intern/MOD_surfacedeform.c
+++ b/source/blender/modifiers/intern/MOD_surfacedeform.c
@@ -180,7 +180,7 @@ static void copyData(const ModifierData *md, ModifierData *target, const int fla
   const SurfaceDeformModifierData *smd = (const SurfaceDeformModifierData *)md;
   SurfaceDeformModifierData *tsmd = (SurfaceDeformModifierData *)target;
 
-  modifier_copyData_generic(md, target, flag);
+  BKE_modifier_copydata_generic(md, target, flag);
 
   if (smd->verts) {
     tsmd->verts = MEM_dupallocN(smd->verts);
@@ -1017,20 +1017,20 @@ static bool surfacedeformBind(SurfaceDeformModifierData *smd_orig,
 
   vert_edges = MEM_calloc_arrayN(tnumverts, sizeof(*vert_edges), "SDefVertEdgeMap");
   if (vert_edges == NULL) {
-    modifier_setError((ModifierData *)smd_eval, "Out of memory");
+    BKE_modifier_set_error((ModifierData *)smd_eval, "Out of memory");
     return false;
   }
 
   adj_array = MEM_malloc_arrayN(tnumedges, 2 * sizeof(*adj_array), "SDefVertEdge");
   if (adj_array == NULL) {
-    modifier_setError((ModifierData *)smd_eval, "Out of memory");
+    BKE_modifier_set_error((ModifierData *)smd_eval, "Out of memory");
     MEM_freeN(vert_edges);
     return false;
   }
 
   edge_polys = MEM_calloc_arrayN(tnumedges, sizeof(*edge_polys), "SDefEdgeFaceMap");
   if (edge_polys == NULL) {
-    modifier_setError((ModifierData *)smd_eval, "Out of memory");
+    BKE_modifier_set_error((ModifierData *)smd_eval, "Out of memory");
     MEM_freeN(vert_edges);
     MEM_freeN(adj_array);
     return false;
@@ -1038,14 +1038,14 @@ static bool surfacedeformBind(SurfaceDeformModifierData *smd_orig,
 
   smd_orig->verts = MEM_malloc_arrayN(numverts, sizeof(*smd_orig->verts), "SDefBindVerts");
   if (smd_orig->verts == NULL) {
-    modifier_setError((ModifierData *)smd_eval, "Out of memory");
+    BKE_modifier_set_error((ModifierData *)smd_eval, "Out of memory");
     freeAdjacencyMap(vert_edges, adj_array, edge_polys);
     return false;
   }
 
   BKE_bvhtree_from_mesh_get(&treeData, target, BVHTREE_FROM_LOOPTRI, 2);
   if (treeData.tree == NULL) {
-    modifier_setError((ModifierData *)smd_eval, "Out of memory");
+    BKE_modifier_set_error((ModifierData *)smd_eval, "Out of memory");
     freeAdjacencyMap(vert_edges, adj_array, edge_polys);
     MEM_freeN(smd_orig->verts);
     smd_orig->verts = NULL;
@@ -1056,7 +1056,7 @@ static bool surfacedeformBind(SurfaceDeformModifierData *smd_orig,
       mpoly, medge, mloop, tnumpoly, tnumedges, vert_edges, adj_array, edge_polys);
 
   if (adj_result == MOD_SDEF_BIND_RESULT_NONMANY_ERR) {
-    modifier_setError((ModifierData *)smd_eval, "Target has edges with more than two polygons");
+    BKE_modifier_set_error((ModifierData *)smd_eval, "Target has edges with more than two polygons");
     freeAdjacencyMap(vert_edges, adj_array, edge_polys);
     free_bvhtree_from_mesh(&treeData);
     MEM_freeN(smd_orig->verts);
@@ -1083,7 +1083,7 @@ static bool surfacedeformBind(SurfaceDeformModifierData *smd_orig,
   };
 
   if (data.targetCos == NULL) {
-    modifier_setError((ModifierData *)smd_eval, "Out of memory");
+    BKE_modifier_set_error((ModifierData *)smd_eval, "Out of memory");
     freeData((ModifierData *)smd_orig);
     return false;
   }
@@ -1102,19 +1102,19 @@ static bool surfacedeformBind(SurfaceDeformModifierData *smd_orig,
   MEM_freeN(data.targetCos);
 
   if (data.success == MOD_SDEF_BIND_RESULT_MEM_ERR) {
-    modifier_setError((ModifierData *)smd_eval, "Out of memory");
+    BKE_modifier_set_error((ModifierData *)smd_eval, "Out of memory");
     freeData((ModifierData *)smd_orig);
   }
   else if (data.success == MOD_SDEF_BIND_RESULT_NONMANY_ERR) {
-    modifier_setError((ModifierData *)smd_eval, "Target has edges with more than two polygons");
+    BKE_modifier_set_error((ModifierData *)smd_eval, "Target has edges with more than two polygons");
     freeData((ModifierData *)smd_orig);
   }
   else if (data.success == MOD_SDEF_BIND_RESULT_CONCAVE_ERR) {
-    modifier_setError((ModifierData *)smd_eval, "Target contains concave polygons");
+    BKE_modifier_set_error((ModifierData *)smd_eval, "Target contains concave polygons");
     freeData((ModifierData *)smd_orig);
   }
   else if (data.success == MOD_SDEF_BIND_RESULT_OVERLAP_ERR) {
-    modifier_setError((ModifierData *)smd_eval, "Target contains overlapping verts");
+    BKE_modifier_set_error((ModifierData *)smd_eval, "Target contains overlapping verts");
     freeData((ModifierData *)smd_orig);
   }
   else if (data.success == MOD_SDEF_BIND_RESULT_GENERIC_ERR) {
@@ -1122,7 +1122,7 @@ static bool surfacedeformBind(SurfaceDeformModifierData *smd_orig,
      * to explain this with a reasonably sized message.
      * Though it shouldn't really matter all that much,
      * because this is very unlikely to occur */
-    modifier_setError((ModifierData *)smd_eval, "Target contains invalid polygons");
+    BKE_modifier_set_error((ModifierData *)smd_eval, "Target contains invalid polygons");
     freeData((ModifierData *)smd_orig);
   }
 
@@ -1219,10 +1219,10 @@ static void surfacedeformModifier_do(ModifierData *md,
   if (!(smd->flags & MOD_SDEF_BIND)) {
     if (smd->verts != NULL) {
       if (!DEG_is_active(ctx->depsgraph)) {
-        modifier_setError(md, "Attempt to bind from inactive dependency graph");
+        BKE_modifier_set_error(md, "Attempt to bind from inactive dependency graph");
         return;
       }
-      ModifierData *md_orig = modifier_get_original(md);
+      ModifierData *md_orig = BKE_modifier_get_original(md);
       freeData(md_orig);
     }
     return;
@@ -1231,7 +1231,7 @@ static void surfacedeformModifier_do(ModifierData *md,
   Object *ob_target = smd->target;
   target = BKE_modifier_get_evaluated_mesh_from_evaluated_object(ob_target, false);
   if (!target) {
-    modifier_setError(md, "No valid target mesh");
+    BKE_modifier_set_error(md, "No valid target mesh");
     return;
   }
 
@@ -1241,11 +1241,11 @@ static void surfacedeformModifier_do(ModifierData *md,
   /* If not bound, execute bind. */
   if (smd->verts == NULL) {
     if (!DEG_is_active(ctx->depsgraph)) {
-      modifier_setError(md, "Attempt to unbind from inactive dependency graph");
+      BKE_modifier_set_error(md, "Attempt to unbind from inactive dependency graph");
       return;
     }
 
-    SurfaceDeformModifierData *smd_orig = (SurfaceDeformModifierData *)modifier_get_original(md);
+    SurfaceDeformModifierData *smd_orig = (SurfaceDeformModifierData *)BKE_modifier_get_original(md);
     float tmp_mat[4][4];
 
     invert_m4_m4(tmp_mat, ob->obmat);
@@ -1260,11 +1260,11 @@ static void surfacedeformModifier_do(ModifierData *md,
 
   /* Poly count checks */
   if (smd->numverts != numverts) {
-    modifier_setError(md, "Verts changed from %u to %u", smd->numverts, numverts);
+    BKE_modifier_set_error(md, "Verts changed from %u to %u", smd->numverts, numverts);
     return;
   }
   else if (smd->numpoly != tnumpoly) {
-    modifier_setError(md, "Target polygons changed from %u to %u", smd->numpoly, tnumpoly);
+    BKE_modifier_set_error(md, "Target polygons changed from %u to %u", smd->numpoly, tnumpoly);
     return;
   }
 
diff --git a/source/blender/modifiers/intern/MOD_triangulate.c b/source/blender/modifiers/intern/MOD_triangulate.c
index 796f30890da..ef8f81f06a3 100644
--- a/source/blender/modifiers/intern/MOD_triangulate.c
+++ b/source/blender/modifiers/intern/MOD_triangulate.c
@@ -124,7 +124,7 @@ ModifierTypeInfo modifierType_Triangulate = {
         eModifierTypeFlag_SupportsMapping | eModifierTypeFlag_EnableInEditmode |
         eModifierTypeFlag_AcceptsCVs,
 
-    /* copyData */ modifier_copyData_generic,
+    /* copyData */ BKE_modifier_copydata_generic,
 
     /* deformVerts */ NULL,
     /* deformMatrices */ NULL,
diff --git a/source/blender/modifiers/intern/MOD_uvproject.c b/source/blender/modifiers/intern/MOD_uvproject.c
index b11669cf8eb..81342d1d2c1 100644
--- a/source/blender/modifiers/intern/MOD_uvproject.c
+++ b/source/blender/modifiers/intern/MOD_uvproject.c
@@ -321,7 +321,7 @@ ModifierTypeInfo modifierType_UVProject = {
     /* flags */ eModifierTypeFlag_AcceptsMesh | eModifierTypeFlag_SupportsMapping |
         eModifierTypeFlag_SupportsEditmode | eModifierTypeFlag_EnableInEditmode,
 
-    /* copyData */ modifier_copyData_generic,
+    /* copyData */ BKE_modifier_copydata_generic,
 
     /* deformVerts */ NULL,
     /* deformMatrices */ NULL,
diff --git a/source/blender/modifiers/intern/MOD_uvwarp.c b/source/blender/modifiers/intern/MOD_uvwarp.c
index b1fdac82886..6bf59d74717 100644
--- a/source/blender/modifiers/intern/MOD_uvwarp.c
+++ b/source/blender/modifiers/intern/MOD_uvwarp.c
@@ -253,7 +253,7 @@ ModifierTypeInfo modifierType_UVWarp = {
     /* flags */ eModifierTypeFlag_AcceptsMesh | eModifierTypeFlag_SupportsEditmode |
         eModifierTypeFlag_EnableInEditmode,
 
-    /* copyData */ modifier_copyData_generic,
+    /* copyData */ BKE_modifier_copydata_generic,
 
     /* deformVerts */ NULL,
     /* deformMatrices */ NULL,
diff --git a/source/blender/modifiers/intern/MOD_warp.c b/source/blender/modifiers/intern/MOD_warp.c
index 31ed7f67b47..191fa931b63 100644
--- a/source/blender/modifiers/intern/MOD_warp.c
+++ b/source/blender/modifiers/intern/MOD_warp.c
@@ -64,7 +64,7 @@ static void copyData(const ModifierData *md, ModifierData *target, const int fla
   const WarpModifierData *wmd = (const WarpModifierData *)md;
   WarpModifierData *twmd = (WarpModifierData *)target;
 
-  modifier_copyData_generic(md, target, flag);
+  BKE_modifier_copydata_generic(md, target, flag);
 
   twmd->curfalloff = BKE_curvemapping_copy(wmd->curfalloff);
 }
diff --git a/source/blender/modifiers/intern/MOD_wave.c b/source/blender/modifiers/intern/MOD_wave.c
index 78dfdfcf403..0b5dd2417aa 100644
--- a/source/blender/modifiers/intern/MOD_wave.c
+++ b/source/blender/modifiers/intern/MOD_wave.c
@@ -368,7 +368,7 @@ ModifierTypeInfo modifierType_Wave = {
     /* flags */ eModifierTypeFlag_AcceptsCVs | eModifierTypeFlag_AcceptsVertexCosOnly |
         eModifierTypeFlag_SupportsEditmode,
 
-    /* copyData */ modifier_copyData_generic,
+    /* copyData */ BKE_modifier_copydata_generic,
 
     /* deformVerts */ deformVerts,
     /* deformMatrices */ NULL,
diff --git a/source/blender/modifiers/intern/MOD_weighted_normal.c b/source/blender/modifiers/intern/MOD_weighted_normal.c
index d26eadecbf1..b1e128eee70 100644
--- a/source/blender/modifiers/intern/MOD_weighted_normal.c
+++ b/source/blender/modifiers/intern/MOD_weighted_normal.c
@@ -562,7 +562,7 @@ static Mesh *modifyMesh(ModifierData *md, const ModifierEvalContext *ctx, Mesh *
   if (!(((Mesh *)ob->data)->flag & ME_AUTOSMOOTH))
 #endif
   {
-    modifier_setError((ModifierData *)wnmd, "Enable 'Auto Smooth' in Object Data Properties");
+    BKE_modifier_set_error((ModifierData *)wnmd, "Enable 'Auto Smooth' in Object Data Properties");
     return mesh;
   }
 
@@ -708,7 +708,7 @@ ModifierTypeInfo modifierType_WeightedNormal = {
     /* flags */ eModifierTypeFlag_AcceptsMesh | eModifierTypeFlag_SupportsMapping |
         eModifierTypeFlag_SupportsEditmode | eModifierTypeFlag_EnableInEditmode,
 
-    /* copyData */ modifier_copyData_generic,
+    /* copyData */ BKE_modifier_copydata_generic,
 
     /* deformVerts */ NULL,
     /* deformMatrices */ NULL,
diff --git a/source/blender/modifiers/intern/MOD_weightvgedit.c b/source/blender/modifiers/intern/MOD_weightvgedit.c
index d7c9945f87b..d8b52572391 100644
--- a/source/blender/modifiers/intern/MOD_weightvgedit.c
+++ b/source/blender/modifiers/intern/MOD_weightvgedit.c
@@ -80,7 +80,7 @@ static void copyData(const ModifierData *md, ModifierData *target, const int fla
   const WeightVGEditModifierData *wmd = (const WeightVGEditModifierData *)md;
   WeightVGEditModifierData *twmd = (WeightVGEditModifierData *)target;
 
-  modifier_copyData_generic(md, target, flag);
+  BKE_modifier_copydata_generic(md, target, flag);
 
   twmd->cmap_curve = BKE_curvemapping_copy(wmd->cmap_curve);
 }
diff --git a/source/blender/modifiers/intern/MOD_weightvgmix.c b/source/blender/modifiers/intern/MOD_weightvgmix.c
index 566953cd862..eedd788e48e 100644
--- a/source/blender/modifiers/intern/MOD_weightvgmix.c
+++ b/source/blender/modifiers/intern/MOD_weightvgmix.c
@@ -436,7 +436,7 @@ ModifierTypeInfo modifierType_WeightVGMix = {
     /* flags */ eModifierTypeFlag_AcceptsMesh | eModifierTypeFlag_SupportsMapping |
         eModifierTypeFlag_SupportsEditmode | eModifierTypeFlag_UsesPreview,
 
-    /* copyData */ modifier_copyData_generic,
+    /* copyData */ BKE_modifier_copydata_generic,
 
     /* deformVerts */ NULL,
     /* deformMatrices */ NULL,
diff --git a/source/blender/modifiers/intern/MOD_weightvgproximity.c b/source/blender/modifiers/intern/MOD_weightvgproximity.c
index 844ad59eb02..06a7862f1e5 100644
--- a/source/blender/modifiers/intern/MOD_weightvgproximity.c
+++ b/source/blender/modifiers/intern/MOD_weightvgproximity.c
@@ -636,7 +636,7 @@ ModifierTypeInfo modifierType_WeightVGProximity = {
     /* flags */ eModifierTypeFlag_AcceptsMesh | eModifierTypeFlag_SupportsMapping |
         eModifierTypeFlag_SupportsEditmode | eModifierTypeFlag_UsesPreview,
 
-    /* copyData */ modifier_copyData_generic,
+    /* copyData */ BKE_modifier_copydata_generic,
 
     /* deformVerts */ NULL,
     /* deformMatrices */ NULL,
diff --git a/source/blender/modifiers/intern/MOD_weld.c b/source/blender/modifiers/intern/MOD_weld.c
index 2743110cfdf..19adb6f7f91 100644
--- a/source/blender/modifiers/intern/MOD_weld.c
+++ b/source/blender/modifiers/intern/MOD_weld.c
@@ -1938,7 +1938,7 @@ ModifierTypeInfo modifierType_Weld = {
         eModifierTypeFlag_SupportsEditmode | eModifierTypeFlag_EnableInEditmode |
         eModifierTypeFlag_AcceptsCVs,
 
-    /* copyData */ modifier_copyData_generic,
+    /* copyData */ BKE_modifier_copydata_generic,
 
     /* deformVerts */ NULL,
     /* deformMatrices */ NULL,
diff --git a/source/blender/modifiers/intern/MOD_wireframe.c b/source/blender/modifiers/intern/MOD_wireframe.c
index 51e9949ce17..58fdc0807c7 100644
--- a/source/blender/modifiers/intern/MOD_wireframe.c
+++ b/source/blender/modifiers/intern/MOD_wireframe.c
@@ -111,7 +111,7 @@ ModifierTypeInfo modifierType_Wireframe = {
     /* type */ eModifierTypeType_Constructive,
     /* flags */ eModifierTypeFlag_AcceptsMesh | eModifierTypeFlag_SupportsEditmode,
 
-    /* copyData */ modifier_copyData_generic,
+    /* copyData */ BKE_modifier_copydata_generic,
 
     /* deformVerts */ NULL,
     /* deformMatrices */ NULL,