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blender-archive/source/blender/blenkernel/intern/data_transfer.c

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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2014 by Blender Foundation.
* All rights reserved.
*/
/** \file
* \ingroup bke
*/
#include "CLG_log.h"
#include "MEM_guardedalloc.h"
#include "DNA_customdata_types.h"
#include "DNA_meshdata_types.h"
#include "DNA_mesh_types.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "BLI_math.h"
#include "BLI_blenlib.h"
#include "BLI_utildefines.h"
#include "BKE_customdata.h"
#include "BKE_data_transfer.h"
#include "BKE_deform.h"
#include "BKE_mesh.h"
#include "BKE_mesh_mapping.h"
#include "BKE_mesh_runtime.h"
#include "BKE_mesh_remap.h"
#include "BKE_modifier.h"
#include "BKE_object.h"
#include "BKE_object_deform.h"
#include "BKE_report.h"
#include "data_transfer_intern.h"
static CLG_LogRef LOG = {"bke.data_transfer"};
void BKE_object_data_transfer_dttypes_to_cdmask(const int dtdata_types, CustomData_MeshMasks *r_data_masks)
{
for (int i = 0; i < DT_TYPE_MAX; i++) {
const int dtdata_type = 1 << i;
int cddata_type;
if (!(dtdata_types & dtdata_type)) {
continue;
}
cddata_type = BKE_object_data_transfer_dttype_to_cdtype(dtdata_type);
if (!(cddata_type & CD_FAKE)) {
if (DT_DATATYPE_IS_VERT(dtdata_type)) {
r_data_masks->vmask |= 1LL << cddata_type;
}
else if (DT_DATATYPE_IS_EDGE(dtdata_type)) {
r_data_masks->emask |= 1LL << cddata_type;
}
else if (DT_DATATYPE_IS_LOOP(dtdata_type)) {
r_data_masks->lmask |= 1LL << cddata_type;
}
else if (DT_DATATYPE_IS_POLY(dtdata_type)) {
r_data_masks->pmask |= 1LL << cddata_type;
}
}
else if (cddata_type == CD_FAKE_MDEFORMVERT) {
r_data_masks->vmask |= CD_MASK_MDEFORMVERT; /* Exception for vgroups :/ */
}
else if (cddata_type == CD_FAKE_UV) {
r_data_masks->lmask |= CD_MASK_MLOOPUV;
}
else if (cddata_type == CD_FAKE_LNOR) {
r_data_masks->vmask |= CD_MASK_NORMAL;
r_data_masks->lmask |= CD_MASK_NORMAL | CD_MASK_CUSTOMLOOPNORMAL;
}
}
}
/* Check what can do each layer type (if it is actually handled by transferdata, if it supports advanced mixing... */
bool BKE_object_data_transfer_get_dttypes_capacity(
const int dtdata_types, bool *r_advanced_mixing, bool *r_threshold)
{
int i;
bool ret = false;
*r_advanced_mixing = false;
*r_threshold = false;
for (i = 0; (i < DT_TYPE_MAX) && !(ret && *r_advanced_mixing && *r_threshold); i++) {
const int dtdata_type = 1 << i;
if (!(dtdata_types & dtdata_type)) {
continue;
}
switch (dtdata_type) {
/* Vertex data */
case DT_TYPE_MDEFORMVERT:
*r_advanced_mixing = true;
*r_threshold = true;
ret = true;
break;
case DT_TYPE_SKIN:
*r_threshold = true;
ret = true;
break;
case DT_TYPE_BWEIGHT_VERT:
ret = true;
break;
/* Edge data */
case DT_TYPE_SHARP_EDGE:
*r_threshold = true;
ret = true;
break;
case DT_TYPE_SEAM:
*r_threshold = true;
ret = true;
break;
case DT_TYPE_CREASE:
ret = true;
break;
case DT_TYPE_BWEIGHT_EDGE:
ret = true;
break;
case DT_TYPE_FREESTYLE_EDGE:
*r_threshold = true;
ret = true;
break;
/* Loop/Poly data */
case DT_TYPE_UV:
ret = true;
break;
case DT_TYPE_VCOL:
*r_advanced_mixing = true;
*r_threshold = true;
ret = true;
break;
case DT_TYPE_LNOR:
*r_advanced_mixing = true;
ret = true;
break;
case DT_TYPE_SHARP_FACE:
*r_threshold = true;
ret = true;
break;
case DT_TYPE_FREESTYLE_FACE:
*r_threshold = true;
ret = true;
break;
}
}
return ret;
}
int BKE_object_data_transfer_get_dttypes_item_types(const int dtdata_types)
{
int i, ret = 0;
for (i = 0; (i < DT_TYPE_MAX) && (ret ^ (ME_VERT | ME_EDGE | ME_LOOP | ME_POLY)); i++) {
const int dtdata_type = 1 << i;
if (!(dtdata_types & dtdata_type)) {
continue;
}
if (DT_DATATYPE_IS_VERT(dtdata_type)) {
ret |= ME_VERT;
}
if (DT_DATATYPE_IS_EDGE(dtdata_type)) {
ret |= ME_EDGE;
}
if (DT_DATATYPE_IS_LOOP(dtdata_type)) {
ret |= ME_LOOP;
}
if (DT_DATATYPE_IS_POLY(dtdata_type)) {
ret |= ME_POLY;
}
}
return ret;
}
int BKE_object_data_transfer_dttype_to_cdtype(const int dtdata_type)
{
switch (dtdata_type) {
case DT_TYPE_MDEFORMVERT:
return CD_FAKE_MDEFORMVERT;
case DT_TYPE_SHAPEKEY:
return CD_FAKE_SHAPEKEY;
case DT_TYPE_SKIN:
return CD_MVERT_SKIN;
case DT_TYPE_BWEIGHT_VERT:
return CD_FAKE_BWEIGHT;
case DT_TYPE_SHARP_EDGE:
return CD_FAKE_SHARP;
case DT_TYPE_SEAM:
return CD_FAKE_SEAM;
case DT_TYPE_CREASE:
return CD_FAKE_CREASE;
case DT_TYPE_BWEIGHT_EDGE:
return CD_FAKE_BWEIGHT;
case DT_TYPE_FREESTYLE_EDGE:
return CD_FREESTYLE_EDGE;
case DT_TYPE_UV:
return CD_FAKE_UV;
case DT_TYPE_SHARP_FACE:
return CD_FAKE_SHARP;
case DT_TYPE_FREESTYLE_FACE:
return CD_FREESTYLE_FACE;
case DT_TYPE_VCOL:
return CD_MLOOPCOL;
case DT_TYPE_LNOR:
return CD_FAKE_LNOR;
default:
BLI_assert(0);
}
return 0; /* Should never be reached! */
}
int BKE_object_data_transfer_dttype_to_srcdst_index(const int dtdata_type)
{
switch (dtdata_type) {
case DT_TYPE_MDEFORMVERT:
return DT_MULTILAYER_INDEX_MDEFORMVERT;
case DT_TYPE_SHAPEKEY:
return DT_MULTILAYER_INDEX_SHAPEKEY;
case DT_TYPE_UV:
return DT_MULTILAYER_INDEX_UV;
case DT_TYPE_VCOL:
return DT_MULTILAYER_INDEX_VCOL;
default:
return DT_MULTILAYER_INDEX_INVALID;
}
}
/* ********** */
/* Generic pre/post processing, only used by custom loop normals currently. */
static void data_transfer_dtdata_type_preprocess(
Mesh *me_src, Mesh *me_dst,
const int dtdata_type, const bool dirty_nors_dst)
{
if (dtdata_type == DT_TYPE_LNOR) {
/* Compute custom normals into regular loop normals, which will be used for the transfer. */
MVert *verts_dst = me_dst->mvert;
const int num_verts_dst = me_dst->totvert;
MEdge *edges_dst = me_dst->medge;
const int num_edges_dst = me_dst->totedge;
MPoly *polys_dst = me_dst->mpoly;
const int num_polys_dst = me_dst->totpoly;
MLoop *loops_dst = me_dst->mloop;
const int num_loops_dst = me_dst->totloop;
CustomData *pdata_dst = &me_dst->pdata;
CustomData *ldata_dst = &me_dst->ldata;
const bool use_split_nors_dst = (me_dst->flag & ME_AUTOSMOOTH) != 0;
const float split_angle_dst = me_dst->smoothresh;
/* This should be ensured by cddata_masks we pass to code generating/giving us me_src now. */
BLI_assert(CustomData_get_layer(&me_src->ldata, CD_NORMAL) != NULL);
BLI_assert(CustomData_get_layer(&me_src->pdata, CD_NORMAL) != NULL);
(void)me_src;
float (*poly_nors_dst)[3];
float (*loop_nors_dst)[3];
short (*custom_nors_dst)[2] = CustomData_get_layer(ldata_dst, CD_CUSTOMLOOPNORMAL);
/* Cache poly nors into a temp CDLayer. */
poly_nors_dst = CustomData_get_layer(pdata_dst, CD_NORMAL);
const bool do_poly_nors_dst = (poly_nors_dst == NULL);
if (do_poly_nors_dst) {
poly_nors_dst = CustomData_add_layer(pdata_dst, CD_NORMAL, CD_CALLOC, NULL, num_polys_dst);
CustomData_set_layer_flag(pdata_dst, CD_NORMAL, CD_FLAG_TEMPORARY);
}
if (dirty_nors_dst || do_poly_nors_dst) {
BKE_mesh_calc_normals_poly(
verts_dst, NULL, num_verts_dst, loops_dst, polys_dst,
num_loops_dst, num_polys_dst, poly_nors_dst, true);
}
/* Cache loop nors into a temp CDLayer. */
loop_nors_dst = CustomData_get_layer(ldata_dst, CD_NORMAL);
const bool do_loop_nors_dst = (loop_nors_dst == NULL);
if (do_loop_nors_dst) {
loop_nors_dst = CustomData_add_layer(ldata_dst, CD_NORMAL, CD_CALLOC, NULL, num_loops_dst);
CustomData_set_layer_flag(ldata_dst, CD_NORMAL, CD_FLAG_TEMPORARY);
}
if (dirty_nors_dst || do_loop_nors_dst) {
BKE_mesh_normals_loop_split(
verts_dst, num_verts_dst, edges_dst, num_edges_dst,
loops_dst, loop_nors_dst, num_loops_dst,
polys_dst, (const float (*)[3])poly_nors_dst, num_polys_dst,
use_split_nors_dst, split_angle_dst, NULL, custom_nors_dst, NULL);
}
}
}
static void data_transfer_dtdata_type_postprocess(
Object *UNUSED(ob_src), Object *UNUSED(ob_dst), Mesh *UNUSED(me_src), Mesh *me_dst,
const int dtdata_type, const bool changed)
{
if (dtdata_type == DT_TYPE_LNOR) {
/* Bake edited destination loop normals into custom normals again. */
MVert *verts_dst = me_dst->mvert;
const int num_verts_dst = me_dst->totvert;
MEdge *edges_dst = me_dst->medge;
const int num_edges_dst = me_dst->totedge;
MPoly *polys_dst = me_dst->mpoly;
const int num_polys_dst = me_dst->totpoly;
MLoop *loops_dst = me_dst->mloop;
const int num_loops_dst = me_dst->totloop;
CustomData *pdata_dst = &me_dst->pdata;
CustomData *ldata_dst = &me_dst->ldata;
const float (*poly_nors_dst)[3] = CustomData_get_layer(pdata_dst, CD_NORMAL);
float (*loop_nors_dst)[3] = CustomData_get_layer(ldata_dst, CD_NORMAL);
short (*custom_nors_dst)[2] = CustomData_get_layer(ldata_dst, CD_CUSTOMLOOPNORMAL);
BLI_assert(poly_nors_dst);
if (!changed) {
return;
}
if (!custom_nors_dst) {
custom_nors_dst = CustomData_add_layer(ldata_dst, CD_CUSTOMLOOPNORMAL, CD_CALLOC, NULL, num_loops_dst);
}
/* Note loop_nors_dst contains our custom normals as transferred from source... */
BKE_mesh_normals_loop_custom_set(verts_dst, num_verts_dst, edges_dst, num_edges_dst,
loops_dst, loop_nors_dst, num_loops_dst,
polys_dst, poly_nors_dst, num_polys_dst,
custom_nors_dst);
}
}
/* ********** */
static MeshRemapIslandsCalc data_transfer_get_loop_islands_generator(const int cddata_type)
{
switch (cddata_type) {
case CD_FAKE_UV:
return BKE_mesh_calc_islands_loop_poly_edgeseam;
default:
break;
}
return NULL;
}
float data_transfer_interp_float_do(
const int mix_mode, const float val_dst, const float val_src, const float mix_factor)
{
float val_ret;
if (((mix_mode == CDT_MIX_REPLACE_ABOVE_THRESHOLD && (val_dst < mix_factor)) ||
(mix_mode == CDT_MIX_REPLACE_BELOW_THRESHOLD && (val_dst > mix_factor))))
{
return val_dst; /* Do not affect destination. */
}
switch (mix_mode) {
case CDT_MIX_REPLACE_ABOVE_THRESHOLD:
case CDT_MIX_REPLACE_BELOW_THRESHOLD:
return val_src;
case CDT_MIX_MIX:
val_ret = (val_dst + val_src) * 0.5f;
break;
case CDT_MIX_ADD:
val_ret = val_dst + val_src;
break;
case CDT_MIX_SUB:
val_ret = val_dst - val_src;
break;
case CDT_MIX_MUL:
val_ret = val_dst * val_src;
break;
case CDT_MIX_TRANSFER:
default:
val_ret = val_src;
break;
}
return interpf(val_ret, val_dst, mix_factor);
}
static void data_transfer_interp_char(
const CustomDataTransferLayerMap *laymap, void *dest,
const void **sources, const float *weights, const int count, const float mix_factor)
{
const char **data_src = (const char **)sources;
char *data_dst = (char *)dest;
const int mix_mode = laymap->mix_mode;
float val_src = 0.0f;
const float val_dst = (float)(*data_dst) / 255.0f;
int i;
for (i = count; i--;) {
val_src += ((float)(*data_src[i]) / 255.0f) * weights[i];
}
val_src = data_transfer_interp_float_do(mix_mode, val_dst, val_src, mix_factor);
CLAMP(val_src, 0.0f, 1.0f);
*data_dst = (char)(val_src * 255.0f);
}
/* Helpers to match sources and destinations data layers (also handles 'conversions' in CD_FAKE cases). */
void data_transfer_layersmapping_add_item(
ListBase *r_map, const int cddata_type, const int mix_mode, const float mix_factor, const float *mix_weights,
const void *data_src, void *data_dst, const int data_src_n, const int data_dst_n,
const size_t elem_size, const size_t data_size, const size_t data_offset, const uint64_t data_flag,
cd_datatransfer_interp interp, void *interp_data)
{
CustomDataTransferLayerMap *item = MEM_mallocN(sizeof(*item), __func__);
BLI_assert(data_dst != NULL);
item->data_type = cddata_type;
item->mix_mode = mix_mode;
item->mix_factor = mix_factor;
item->mix_weights = mix_weights;
item->data_src = data_src;
item->data_dst = data_dst;
item->data_src_n = data_src_n;
item->data_dst_n = data_dst_n;
item->elem_size = elem_size;
item->data_size = data_size;
item->data_offset = data_offset;
item->data_flag = data_flag;
item->interp = interp;
item->interp_data = interp_data;
BLI_addtail(r_map, item);
}
static void data_transfer_layersmapping_add_item_cd(
ListBase *r_map, const int cddata_type, const int mix_mode, const float mix_factor, const float *mix_weights,
void *data_src, void *data_dst, cd_datatransfer_interp interp, void *interp_data)
{
uint64_t data_flag = 0;
if (cddata_type == CD_FREESTYLE_EDGE) {
data_flag = FREESTYLE_EDGE_MARK;
}
else if (cddata_type == CD_FREESTYLE_FACE) {
data_flag = FREESTYLE_FACE_MARK;
}
data_transfer_layersmapping_add_item(
r_map, cddata_type, mix_mode, mix_factor, mix_weights, data_src, data_dst,
0, 0, 0, 0, 0, data_flag, interp, interp_data);
}
/* Note: All those layer mapping handlers return false *only* if they were given invalid parameters.
* This means that even if they do nothing, they will return true if all given parameters were OK.
* Also, r_map may be NULL, in which case they will 'only' create/delete destination layers according
* to given parameters.
*/
static bool data_transfer_layersmapping_cdlayers_multisrc_to_dst(
ListBase *r_map, const int cddata_type, const int mix_mode, const float mix_factor, const float *mix_weights,
const int num_elem_dst, const bool use_create, const bool use_delete,
CustomData *cd_src, CustomData *cd_dst, const bool use_dupref_dst,
const int tolayers, bool *use_layers_src, const int num_layers_src,
cd_datatransfer_interp interp, void *interp_data)
{
void *data_src, *data_dst = NULL;
int idx_src = num_layers_src;
int idx_dst, tot_dst = CustomData_number_of_layers(cd_dst, cddata_type);
bool *data_dst_to_delete = NULL;
if (!use_layers_src) {
/* No source at all, we can only delete all dest if requested... */
if (use_delete) {
idx_dst = tot_dst;
while (idx_dst--) {
CustomData_free_layer(cd_dst, cddata_type, num_elem_dst, idx_dst);
}
}
return true;
}
switch (tolayers) {
case DT_LAYERS_INDEX_DST:
idx_dst = tot_dst;
/* Find last source actually used! */
while (idx_src-- && !use_layers_src[idx_src]);
idx_src++;
if (idx_dst < idx_src) {
if (use_create) {
/* Create as much data layers as necessary! */
for (; idx_dst < idx_src; idx_dst++) {
CustomData_add_layer(cd_dst, cddata_type, CD_CALLOC, NULL, num_elem_dst);
}
}
else {
/* Otherwise, just try to map what we can with existing dst data layers. */
idx_src = idx_dst;
}
}
else if (use_delete && idx_dst > idx_src) {
while (idx_dst-- > idx_src) {
CustomData_free_layer(cd_dst, cddata_type, num_elem_dst, idx_dst);
}
}
if (r_map) {
while (idx_src--) {
if (!use_layers_src[idx_src]) {
continue;
}
data_src = CustomData_get_layer_n(cd_src, cddata_type, idx_src);
/* If dest is a evaluated mesh (fro; ;odifier), we do not want to overwrite cdlayers of orig mesh! */
if (use_dupref_dst) {
data_dst = CustomData_duplicate_referenced_layer_n(cd_dst, cddata_type, idx_src, num_elem_dst);
}
else {
data_dst = CustomData_get_layer_n(cd_dst, cddata_type, idx_src);
}
data_transfer_layersmapping_add_item_cd(r_map, cddata_type, mix_mode, mix_factor, mix_weights,
data_src, data_dst, interp, interp_data);
}
}
break;
case DT_LAYERS_NAME_DST:
if (use_delete) {
if (tot_dst) {
data_dst_to_delete = MEM_mallocN(sizeof(*data_dst_to_delete) * (size_t)tot_dst, __func__);
memset(data_dst_to_delete, true, sizeof(*data_dst_to_delete) * (size_t)tot_dst);
}
}
while (idx_src--) {
const char *name;
if (!use_layers_src[idx_src]) {
continue;
}
name = CustomData_get_layer_name(cd_src, cddata_type, idx_src);
data_src = CustomData_get_layer_n(cd_src, cddata_type, idx_src);
if ((idx_dst = CustomData_get_named_layer(cd_dst, cddata_type, name)) == -1) {
if (use_create) {
CustomData_add_layer_named(cd_dst, cddata_type, CD_CALLOC, NULL, num_elem_dst, name);
idx_dst = CustomData_get_named_layer(cd_dst, cddata_type, name);
}
else {
/* If we are not allowed to create missing dst data layers, just skip matching src one. */
continue;
}
}
else if (data_dst_to_delete) {
data_dst_to_delete[idx_dst] = false;
}
if (r_map) {
/* If dest is a evaluated mesh (from modifier), we do not want to overwrite cdlayers of orig mesh! */
if (use_dupref_dst) {
data_dst = CustomData_duplicate_referenced_layer_n(cd_dst, cddata_type, idx_dst, num_elem_dst);
}
else {
data_dst = CustomData_get_layer_n(cd_dst, cddata_type, idx_dst);
}
data_transfer_layersmapping_add_item_cd(r_map, cddata_type, mix_mode, mix_factor, mix_weights,
data_src, data_dst, interp, interp_data);
}
}
if (data_dst_to_delete) {
/* Note: This won't affect newly created layers, if any, since tot_dst has not been updated!
* Also, looping backward ensures us we do not suffer from index shifting when deleting a layer.
*/
for (idx_dst = tot_dst; idx_dst--;) {
if (data_dst_to_delete[idx_dst]) {
CustomData_free_layer(cd_dst, cddata_type, num_elem_dst, idx_dst);
}
}
MEM_freeN(data_dst_to_delete);
}
break;
default:
return false;
}
return true;
}
static bool data_transfer_layersmapping_cdlayers(
ListBase *r_map, const int cddata_type, const int mix_mode, const float mix_factor, const float *mix_weights,
const int num_elem_dst, const bool use_create, const bool use_delete,
CustomData *cd_src, CustomData *cd_dst, const bool use_dupref_dst,
const int fromlayers, const int tolayers,
cd_datatransfer_interp interp, void *interp_data)
{
int idx_src, idx_dst;
void *data_src, *data_dst = NULL;
if (CustomData_layertype_is_singleton(cddata_type)) {
if (!(data_src = CustomData_get_layer(cd_src, cddata_type))) {
if (use_delete) {
CustomData_free_layer(cd_dst, cddata_type, num_elem_dst, 0);
}
return true;
}
data_dst = CustomData_get_layer(cd_dst, cddata_type);
if (!data_dst) {
if (!use_create) {
return true;
}
data_dst = CustomData_add_layer(cd_dst, cddata_type, CD_CALLOC, NULL, num_elem_dst);
}
else if (use_dupref_dst && r_map) {
/* If dest is a evaluated mesh (from modifier), we do not want to overwrite cdlayers of orig mesh! */
data_dst = CustomData_duplicate_referenced_layer(cd_dst, cddata_type, num_elem_dst);
}
if (r_map) {
data_transfer_layersmapping_add_item_cd(r_map, cddata_type, mix_mode, mix_factor, mix_weights,
data_src, data_dst, interp, interp_data);
}
}
else if (fromlayers == DT_LAYERS_ACTIVE_SRC || fromlayers >= 0) {
/* Note: use_delete has not much meaning in this case, ignored. */
if (fromlayers >= 0) { /* Real-layer index */
idx_src = fromlayers;
}
else {
if ((idx_src = CustomData_get_active_layer(cd_src, cddata_type)) == -1) {
return true;
}
}
data_src = CustomData_get_layer_n(cd_src, cddata_type, idx_src);
if (!data_src) {
return true;
}
if (tolayers >= 0) { /* Real-layer index */
idx_dst = tolayers;
/* If dest is a evaluated mesh (from modifier), we do not want to overwrite cdlayers of orig mesh! */
if (use_dupref_dst && r_map) {
data_dst = CustomData_duplicate_referenced_layer_n(cd_dst, cddata_type, idx_dst, num_elem_dst);
}
else {
data_dst = CustomData_get_layer_n(cd_dst, cddata_type, idx_dst);
}
}
else if (tolayers == DT_LAYERS_ACTIVE_DST) {
if ((idx_dst = CustomData_get_active_layer(cd_dst, cddata_type)) == -1) {
if (!use_create) {
return true;
}
data_dst = CustomData_add_layer(cd_dst, cddata_type, CD_CALLOC, NULL, num_elem_dst);
}
else {
/* If dest is a evaluated mesh (from modifier), we do not want to overwrite cdlayers of orig mesh! */
if (use_dupref_dst && r_map) {
data_dst = CustomData_duplicate_referenced_layer_n(cd_dst, cddata_type, idx_dst, num_elem_dst);
}
else {
data_dst = CustomData_get_layer_n(cd_dst, cddata_type, idx_dst);
}
}
}
else if (tolayers == DT_LAYERS_INDEX_DST) {
int num = CustomData_number_of_layers(cd_dst, cddata_type);
idx_dst = idx_src;
if (num <= idx_dst) {
if (!use_create) {
return true;
}
/* Create as much data layers as necessary! */
for (; num <= idx_dst; num++) {
CustomData_add_layer(cd_dst, cddata_type, CD_CALLOC, NULL, num_elem_dst);
}
}
/* If dest is a evaluated mesh (from modifier), we do not want to overwrite cdlayers of orig mesh! */
if (use_dupref_dst && r_map) {
data_dst = CustomData_duplicate_referenced_layer_n(cd_dst, cddata_type, idx_dst, num_elem_dst);
}
else {
data_dst = CustomData_get_layer_n(cd_dst, cddata_type, idx_dst);
}
}
else if (tolayers == DT_LAYERS_NAME_DST) {
const char *name = CustomData_get_layer_name(cd_src, cddata_type, idx_src);
if ((idx_dst = CustomData_get_named_layer(cd_dst, cddata_type, name)) == -1) {
if (!use_create) {
return true;
}
CustomData_add_layer_named(cd_dst, cddata_type, CD_CALLOC, NULL, num_elem_dst, name);
idx_dst = CustomData_get_named_layer(cd_dst, cddata_type, name);
}
/* If dest is a evaluated mesh (from modifier), we do not want to overwrite cdlayers of orig mesh! */
if (use_dupref_dst && r_map) {
data_dst = CustomData_duplicate_referenced_layer_n(cd_dst, cddata_type, idx_dst, num_elem_dst);
}
else {
data_dst = CustomData_get_layer_n(cd_dst, cddata_type, idx_dst);
}
}
else {
return false;
}
if (!data_dst) {
return false;
}
if (r_map) {
data_transfer_layersmapping_add_item_cd(
r_map, cddata_type, mix_mode, mix_factor, mix_weights, data_src, data_dst, interp, interp_data);
}
}
else if (fromlayers == DT_LAYERS_ALL_SRC) {
int num_src = CustomData_number_of_layers(cd_src, cddata_type);
bool *use_layers_src = num_src ? MEM_mallocN(sizeof(*use_layers_src) * (size_t)num_src, __func__) : NULL;
bool ret;
if (use_layers_src) {
memset(use_layers_src, true, sizeof(*use_layers_src) * num_src);
}
ret = data_transfer_layersmapping_cdlayers_multisrc_to_dst(
r_map, cddata_type, mix_mode, mix_factor, mix_weights,
num_elem_dst, use_create, use_delete, cd_src, cd_dst, use_dupref_dst,
tolayers, use_layers_src, num_src,
interp, interp_data);
if (use_layers_src) {
MEM_freeN(use_layers_src);
}
return ret;
}
else {
return false;
}
return true;
}
static bool data_transfer_layersmapping_generate(
ListBase *r_map, Object *ob_src, Object *ob_dst, Mesh *me_src, Mesh *me_dst,
const int elem_type, int cddata_type, int mix_mode, float mix_factor, const float *mix_weights,
const int num_elem_dst, const bool use_create, const bool use_delete, const int fromlayers, const int tolayers,
SpaceTransform *space_transform)
{
CustomData *cd_src, *cd_dst;
cd_datatransfer_interp interp = NULL;
void *interp_data = NULL;
if (elem_type == ME_VERT) {
if (!(cddata_type & CD_FAKE)) {
cd_src = &me_src->vdata;
cd_dst = &me_dst->vdata;
if (!data_transfer_layersmapping_cdlayers(r_map, cddata_type, mix_mode, mix_factor, mix_weights,
num_elem_dst, use_create, use_delete,
cd_src, cd_dst, me_dst != ob_dst->data,
fromlayers, tolayers,
interp, interp_data))
{
/* We handle specific source selection cases here. */
return false;
}
return true;
}
else if (cddata_type == CD_FAKE_BWEIGHT) {
const size_t elem_size = sizeof(*((MVert *)NULL));
const size_t data_size = sizeof(((MVert *)NULL)->bweight);
const size_t data_offset = offsetof(MVert, bweight);
const uint64_t data_flag = 0;
if (!(me_src->cd_flag & ME_CDFLAG_VERT_BWEIGHT)) {
if (use_delete) {
me_dst->cd_flag &= ~ME_CDFLAG_VERT_BWEIGHT;
}
return true;
}
me_dst->cd_flag |= ME_CDFLAG_VERT_BWEIGHT;
if (r_map) {
data_transfer_layersmapping_add_item(r_map, cddata_type, mix_mode, mix_factor, mix_weights,
me_src->mvert, me_dst->mvert,
me_src->totvert, me_dst->totvert,
elem_size, data_size, data_offset, data_flag,
data_transfer_interp_char, interp_data);
}
return true;
}
else if (cddata_type == CD_FAKE_MDEFORMVERT) {
bool ret;
cd_src = &me_src->vdata;
cd_dst = &me_dst->vdata;
ret = data_transfer_layersmapping_vgroups(r_map, mix_mode, mix_factor, mix_weights,
num_elem_dst, use_create, use_delete,
ob_src, ob_dst, cd_src, cd_dst, me_dst != ob_dst->data,
fromlayers, tolayers);
/* Mesh stores its dvert in a specific pointer too. :( */
me_dst->dvert = CustomData_get_layer(&me_dst->vdata, CD_MDEFORMVERT);
return ret;
}
else if (cddata_type == CD_FAKE_SHAPEKEY) {
/* TODO: leaving shapekeys aside for now, quite specific case, since we can't access them from MVert :/ */
return false;
}
}
else if (elem_type == ME_EDGE) {
if (!(cddata_type & CD_FAKE)) { /* Unused for edges, currently... */
cd_src = &me_src->edata;
cd_dst = &me_dst->edata;
if (!data_transfer_layersmapping_cdlayers(r_map, cddata_type, mix_mode, mix_factor, mix_weights,
num_elem_dst, use_create, use_delete,
cd_src, cd_dst, me_dst != ob_dst->data,
fromlayers, tolayers,
interp, interp_data))
{
/* We handle specific source selection cases here. */
return false;
}
return true;
}
else if (cddata_type == CD_FAKE_CREASE) {
const size_t elem_size = sizeof(*((MEdge *)NULL));
const size_t data_size = sizeof(((MEdge *)NULL)->crease);
const size_t data_offset = offsetof(MEdge, crease);
const uint64_t data_flag = 0;
if (!(me_src->cd_flag & ME_CDFLAG_EDGE_CREASE)) {
if (use_delete && !me_dst) {
me_dst->cd_flag &= ~ME_CDFLAG_EDGE_CREASE;
}
return true;
}
me_dst->cd_flag |= ME_CDFLAG_EDGE_CREASE;
if (r_map) {
data_transfer_layersmapping_add_item(r_map, cddata_type, mix_mode, mix_factor, mix_weights,
me_src->medge, me_dst->medge,
me_src->totedge, me_dst->totedge,
elem_size, data_size, data_offset, data_flag,
data_transfer_interp_char, interp_data);
}
return true;
}
else if (cddata_type == CD_FAKE_BWEIGHT) {
const size_t elem_size = sizeof(*((MEdge *)NULL));
const size_t data_size = sizeof(((MEdge *)NULL)->bweight);
const size_t data_offset = offsetof(MEdge, bweight);
const uint64_t data_flag = 0;
if (!(me_src->cd_flag & ME_CDFLAG_EDGE_BWEIGHT)) {
if (use_delete && !me_dst) {
me_dst->cd_flag &= ~ME_CDFLAG_EDGE_BWEIGHT;
}
return true;
}
me_dst->cd_flag |= ME_CDFLAG_EDGE_BWEIGHT;
if (r_map) {
data_transfer_layersmapping_add_item(r_map, cddata_type, mix_mode, mix_factor, mix_weights,
me_src->medge, me_dst->medge,
me_src->totedge, me_dst->totedge,
elem_size, data_size, data_offset, data_flag,
data_transfer_interp_char, interp_data);
}
return true;
}
else if (r_map && ELEM(cddata_type, CD_FAKE_SHARP, CD_FAKE_SEAM)) {
const size_t elem_size = sizeof(*((MEdge *)NULL));
const size_t data_size = sizeof(((MEdge *)NULL)->flag);
const size_t data_offset = offsetof(MEdge, flag);
const uint64_t data_flag = (cddata_type == CD_FAKE_SHARP) ? ME_SHARP : ME_SEAM;
data_transfer_layersmapping_add_item(
r_map, cddata_type, mix_mode, mix_factor, mix_weights,
me_src->medge, me_dst->medge,
me_src->totedge, me_dst->totedge,
elem_size, data_size, data_offset, data_flag, NULL, interp_data);
return true;
}
else {
return false;
}
}
else if (elem_type == ME_LOOP) {
if (cddata_type == CD_FAKE_UV) {
cddata_type = CD_MLOOPUV;
}
else if (cddata_type == CD_FAKE_LNOR) {
/* Preprocess should have generated it, Postprocess will convert it back to CD_CUSTOMLOOPNORMAL. */
cddata_type = CD_NORMAL;
interp_data = space_transform;
interp = customdata_data_transfer_interp_normal_normals;
}
if (!(cddata_type & CD_FAKE)) {
cd_src = &me_src->ldata;
cd_dst = &me_dst->ldata;
if (!data_transfer_layersmapping_cdlayers(
r_map, cddata_type, mix_mode, mix_factor, mix_weights,
num_elem_dst, use_create, use_delete, cd_src, cd_dst, me_dst != ob_dst->data,
fromlayers, tolayers,
interp, interp_data))
{
/* We handle specific source selection cases here. */
return false;
}
return true;
}
else {
return false;
}
}
else if (elem_type == ME_POLY) {
if (cddata_type == CD_FAKE_UV) {
cddata_type = CD_MLOOPUV;
}
if (!(cddata_type & CD_FAKE)) {
cd_src = &me_src->pdata;
cd_dst = &me_dst->pdata;
if (!data_transfer_layersmapping_cdlayers(
r_map, cddata_type, mix_mode, mix_factor, mix_weights,
num_elem_dst, use_create, use_delete, cd_src, cd_dst, me_dst != ob_dst->data,
fromlayers, tolayers,
interp, interp_data))
{
/* We handle specific source selection cases here. */
return false;
}
return true;
}
else if (r_map && cddata_type == CD_FAKE_SHARP) {
const size_t elem_size = sizeof(*((MPoly *)NULL));
const size_t data_size = sizeof(((MPoly *)NULL)->flag);
const size_t data_offset = offsetof(MPoly, flag);
const uint64_t data_flag = ME_SMOOTH;
data_transfer_layersmapping_add_item(
r_map, cddata_type, mix_mode, mix_factor, mix_weights,
me_src->mpoly, me_dst->mpoly,
me_src->totpoly, me_dst->totpoly,
elem_size, data_size, data_offset, data_flag, NULL, interp_data);
return true;
}
else {
return false;
}
}
return false;
}
/**
* Transfer data *layout* of selected types from source to destination object.
* By default, it only creates new data layers if needed on \a ob_dst.
* If \a use_delete is true, it will also delete data layers on \a ob_dst that do not match those from \a ob_src,
* to get (as much as possible) exact copy of source data layout.
*/
void BKE_object_data_transfer_layout(
struct Depsgraph *depsgraph, Scene *scene,
Object *ob_src, Object *ob_dst, const int data_types, const bool use_delete,
const int fromlayers_select[DT_MULTILAYER_INDEX_MAX], const int tolayers_select[DT_MULTILAYER_INDEX_MAX])
{
Mesh *me_src;
Mesh *me_dst;
int i;
const bool use_create = true; /* We always create needed layers here. */
CustomData_MeshMasks me_src_mask = CD_MASK_BAREMESH;
BLI_assert((ob_src != ob_dst) && (ob_src->type == OB_MESH) && (ob_dst->type == OB_MESH));
me_dst = ob_dst->data;
/* Get source evaluated mesh.*/
BKE_object_data_transfer_dttypes_to_cdmask(data_types, &me_src_mask);
me_src = mesh_get_eval_final(depsgraph, scene, ob_src, &me_src_mask);
if (!me_src) {
return;
}
/* Check all possible data types. */
for (i = 0; i < DT_TYPE_MAX; i++) {
const int dtdata_type = 1 << i;
int cddata_type;
int fromlayers, tolayers, fromto_idx;
if (!(data_types & dtdata_type)) {
continue;
}
cddata_type = BKE_object_data_transfer_dttype_to_cdtype(dtdata_type);
fromto_idx = BKE_object_data_transfer_dttype_to_srcdst_index(dtdata_type);
if (fromto_idx != DT_MULTILAYER_INDEX_INVALID) {
fromlayers = fromlayers_select[fromto_idx];
tolayers = tolayers_select[fromto_idx];
}
else {
fromlayers = tolayers = 0;
}
if (DT_DATATYPE_IS_VERT(dtdata_type)) {
const int num_elem_dst = me_dst->totvert;
data_transfer_layersmapping_generate(
NULL, ob_src, ob_dst, me_src, me_dst, ME_VERT, cddata_type, 0, 0.0f, NULL,
num_elem_dst, use_create, use_delete, fromlayers, tolayers, NULL);
}
if (DT_DATATYPE_IS_EDGE(dtdata_type)) {
const int num_elem_dst = me_dst->totedge;
data_transfer_layersmapping_generate(
NULL, ob_src, ob_dst, me_src, me_dst, ME_EDGE, cddata_type, 0, 0.0f, NULL,
num_elem_dst, use_create, use_delete, fromlayers, tolayers, NULL);
}
if (DT_DATATYPE_IS_LOOP(dtdata_type)) {
const int num_elem_dst = me_dst->totloop;
data_transfer_layersmapping_generate(
NULL, ob_src, ob_dst, me_src, me_dst, ME_LOOP, cddata_type, 0, 0.0f, NULL,
num_elem_dst, use_create, use_delete, fromlayers, tolayers, NULL);
}
if (DT_DATATYPE_IS_POLY(dtdata_type)) {
const int num_elem_dst = me_dst->totpoly;
data_transfer_layersmapping_generate(
NULL, ob_src, ob_dst, me_src, me_dst, ME_POLY, cddata_type, 0, 0.0f, NULL,
num_elem_dst, use_create, use_delete, fromlayers, tolayers, NULL);
}
}
}
bool BKE_object_data_transfer_ex(
struct Depsgraph *depsgraph, Scene *scene, Object *ob_src, Object *ob_dst, Mesh *me_dst,
const int data_types, bool use_create, const int map_vert_mode, const int map_edge_mode,
const int map_loop_mode, const int map_poly_mode, SpaceTransform *space_transform, const bool auto_transform,
const float max_distance, const float ray_radius, const float islands_handling_precision,
const int fromlayers_select[DT_MULTILAYER_INDEX_MAX], const int tolayers_select[DT_MULTILAYER_INDEX_MAX],
const int mix_mode, const float mix_factor, const char *vgroup_name, const bool invert_vgroup,
ReportList *reports)
{
#define VDATA 0
#define EDATA 1
#define LDATA 2
#define PDATA 3
#define DATAMAX 4
SpaceTransform auto_space_transform;
Mesh *me_src;
bool dirty_nors_dst = true; /* Assumed always true if not using an evaluated mesh as destination. */
int i;
MDeformVert *mdef = NULL;
int vg_idx = -1;
float *weights[DATAMAX] = {NULL};
MeshPairRemap geom_map[DATAMAX] = {{0}};
bool geom_map_init[DATAMAX] = {0};
ListBase lay_map = {NULL};
bool changed = false;
bool is_modifier = false;
const bool use_delete = false; /* We never delete data layers from destination here. */
CustomData_MeshMasks me_src_mask = CD_MASK_BAREMESH;
BLI_assert((ob_src != ob_dst) && (ob_src->type == OB_MESH) && (ob_dst->type == OB_MESH));
if (me_dst) {
dirty_nors_dst = (me_dst->runtime.cd_dirty_vert & CD_NORMAL) != 0;
/* Never create needed custom layers on passed destination mesh
* (assumed to *not* be ob_dst->data, aka modifier case). */
use_create = false;
is_modifier = true;
}
else {
me_dst = ob_dst->data;
}
if (vgroup_name) {
mdef = CustomData_get_layer(&me_dst->vdata, CD_MDEFORMVERT);
if (mdef) {
vg_idx = defgroup_name_index(ob_dst, vgroup_name);
}
}
/* Get source evaluated mesh.*/
BKE_object_data_transfer_dttypes_to_cdmask(data_types, &me_src_mask);
BKE_mesh_remap_calc_source_cddata_masks_from_map_modes(
map_vert_mode, map_edge_mode, map_loop_mode, map_poly_mode, &me_src_mask);
if (is_modifier) {
me_src = BKE_modifier_get_evaluated_mesh_from_evaluated_object(ob_src, false);
if (me_src == NULL || !CustomData_MeshMasks_are_matching(&ob_src->runtime.last_data_mask, &me_src_mask)) {
CLOG_WARN(&LOG, "Data Transfer: source mesh data is not ready - dependency cycle?");
return changed;
}
}
else {
me_src = mesh_get_eval_final(depsgraph, scene, ob_src, &me_src_mask);
}
if (!me_src) {
return changed;
}
if (auto_transform) {
if (space_transform == NULL) {
space_transform = &auto_space_transform;
}
BKE_mesh_remap_find_best_match_from_mesh(me_dst->mvert, me_dst->totvert, me_src, space_transform);
}
/* Check all possible data types.
* Note item mappings and dest mix weights are cached. */
for (i = 0; i < DT_TYPE_MAX; i++) {
const int dtdata_type = 1 << i;
int cddata_type;
int fromlayers, tolayers, fromto_idx;
if (!(data_types & dtdata_type)) {
continue;
}
data_transfer_dtdata_type_preprocess(me_src, me_dst, dtdata_type, dirty_nors_dst);
cddata_type = BKE_object_data_transfer_dttype_to_cdtype(dtdata_type);
fromto_idx = BKE_object_data_transfer_dttype_to_srcdst_index(dtdata_type);
if (fromto_idx != DT_MULTILAYER_INDEX_INVALID) {
fromlayers = fromlayers_select[fromto_idx];
tolayers = tolayers_select[fromto_idx];
}
else {
fromlayers = tolayers = 0;
}
if (DT_DATATYPE_IS_VERT(dtdata_type)) {
MVert *verts_dst = me_dst->mvert;
const int num_verts_dst = me_dst->totvert;
if (!geom_map_init[VDATA]) {
const int num_verts_src = me_src->totvert;
if ((map_vert_mode == MREMAP_MODE_TOPOLOGY) && (num_verts_dst != num_verts_src)) {
BKE_report(reports, RPT_ERROR,
"Source and destination meshes do not have the same amount of vertices, "
"'Topology' mapping cannot be used in this case");
continue;
}
if ((map_vert_mode & MREMAP_USE_EDGE) && (me_src->totedge == 0)) {
BKE_report(reports, RPT_ERROR,
"Source mesh doesn't have any edges, "
"None of the 'Edge' mappings can be used in this case");
continue;
}
if ((map_vert_mode & MREMAP_USE_POLY) && (me_src->totpoly == 0)) {
BKE_report(reports, RPT_ERROR,
"Source mesh doesn't have any faces, "
"None of the 'Face' mappings can be used in this case");
continue;
}
if (ELEM(0, num_verts_dst, num_verts_src)) {
BKE_report(reports, RPT_ERROR,
"Source or destination meshes do not have any vertices, cannot transfer vertex data");
continue;
}
BKE_mesh_remap_calc_verts_from_mesh(
map_vert_mode, space_transform, max_distance, ray_radius,
verts_dst, num_verts_dst, dirty_nors_dst, me_src, &geom_map[VDATA]);
geom_map_init[VDATA] = true;
}
if (mdef && vg_idx != -1 && !weights[VDATA]) {
weights[VDATA] = MEM_mallocN(sizeof(*(weights[VDATA])) * (size_t)num_verts_dst, __func__);
BKE_defvert_extract_vgroup_to_vertweights(mdef, vg_idx, num_verts_dst, weights[VDATA], invert_vgroup);
}
if (data_transfer_layersmapping_generate(
&lay_map, ob_src, ob_dst, me_src, me_dst, ME_VERT,
cddata_type, mix_mode, mix_factor, weights[VDATA],
num_verts_dst, use_create, use_delete, fromlayers, tolayers, space_transform))
{
CustomDataTransferLayerMap *lay_mapit;
changed = (lay_map.first != NULL);
for (lay_mapit = lay_map.first; lay_mapit; lay_mapit = lay_mapit->next) {
CustomData_data_transfer(&geom_map[VDATA], lay_mapit);
}
BLI_freelistN(&lay_map);
}
}
if (DT_DATATYPE_IS_EDGE(dtdata_type)) {
MVert *verts_dst = me_dst->mvert;
const int num_verts_dst = me_dst->totvert;
MEdge *edges_dst = me_dst->medge;
const int num_edges_dst = me_dst->totedge;
if (!geom_map_init[EDATA]) {
const int num_edges_src = me_src->totedge;
if ((map_edge_mode == MREMAP_MODE_TOPOLOGY) && (num_edges_dst != num_edges_src)) {
BKE_report(reports, RPT_ERROR,
"Source and destination meshes do not have the same amount of edges, "
"'Topology' mapping cannot be used in this case");
continue;
}
if ((map_edge_mode & MREMAP_USE_POLY) && (me_src->totpoly == 0)) {
BKE_report(reports, RPT_ERROR,
"Source mesh doesn't have any faces, "
"None of the 'Face' mappings can be used in this case");
continue;
}
if (ELEM(0, num_edges_dst, num_edges_src)) {
BKE_report(reports, RPT_ERROR,
"Source or destination meshes do not have any edges, cannot transfer edge data");
continue;
}
BKE_mesh_remap_calc_edges_from_mesh(
map_edge_mode, space_transform, max_distance, ray_radius,
verts_dst, num_verts_dst, edges_dst, num_edges_dst, dirty_nors_dst,
me_src, &geom_map[EDATA]);
geom_map_init[EDATA] = true;
}
if (mdef && vg_idx != -1 && !weights[EDATA]) {
weights[EDATA] = MEM_mallocN(sizeof(*weights[EDATA]) * (size_t)num_edges_dst, __func__);
BKE_defvert_extract_vgroup_to_edgeweights(
mdef, vg_idx, num_verts_dst, edges_dst, num_edges_dst,
weights[EDATA], invert_vgroup);
}
if (data_transfer_layersmapping_generate(
&lay_map, ob_src, ob_dst, me_src, me_dst, ME_EDGE,
cddata_type, mix_mode, mix_factor, weights[EDATA],
num_edges_dst, use_create, use_delete, fromlayers, tolayers, space_transform))
{
CustomDataTransferLayerMap *lay_mapit;
changed = (lay_map.first != NULL);
for (lay_mapit = lay_map.first; lay_mapit; lay_mapit = lay_mapit->next) {
CustomData_data_transfer(&geom_map[EDATA], lay_mapit);
}
BLI_freelistN(&lay_map);
}
}
if (DT_DATATYPE_IS_LOOP(dtdata_type)) {
MVert *verts_dst = me_dst->mvert;
const int num_verts_dst = me_dst->totvert;
MEdge *edges_dst = me_dst->medge;
const int num_edges_dst = me_dst->totedge;
MPoly *polys_dst = me_dst->mpoly;
const int num_polys_dst = me_dst->totpoly;
MLoop *loops_dst = me_dst->mloop;
const int num_loops_dst = me_dst->totloop;
CustomData *pdata_dst = &me_dst->pdata;
CustomData *ldata_dst = &me_dst->ldata;
MeshRemapIslandsCalc island_callback = data_transfer_get_loop_islands_generator(cddata_type);
if (!geom_map_init[LDATA]) {
const int num_loops_src = me_src->totloop;
if ((map_loop_mode == MREMAP_MODE_TOPOLOGY) && (num_loops_dst != num_loops_src)) {
BKE_report(reports, RPT_ERROR,
"Source and destination meshes do not have the same amount of face corners, "
"'Topology' mapping cannot be used in this case");
continue;
}
if ((map_loop_mode & MREMAP_USE_EDGE) && (me_src->totedge == 0)) {
BKE_report(reports, RPT_ERROR,
"Source mesh doesn't have any edges, "
"None of the 'Edge' mappings can be used in this case");
continue;
}
if (ELEM(0, num_loops_dst, num_loops_src)) {
BKE_report(reports, RPT_ERROR,
"Source or destination meshes do not have any faces, cannot transfer corner data");
continue;
}
BKE_mesh_remap_calc_loops_from_mesh(
map_loop_mode, space_transform, max_distance, ray_radius,
verts_dst, num_verts_dst, edges_dst, num_edges_dst,
loops_dst, num_loops_dst, polys_dst, num_polys_dst,
ldata_dst, pdata_dst,
(me_dst->flag & ME_AUTOSMOOTH) != 0, me_dst->smoothresh, dirty_nors_dst,
me_src,
island_callback, islands_handling_precision, &geom_map[LDATA]);
geom_map_init[LDATA] = true;
}
if (mdef && vg_idx != -1 && !weights[LDATA]) {
weights[LDATA] = MEM_mallocN(sizeof(*weights[LDATA]) * (size_t)num_loops_dst, __func__);
BKE_defvert_extract_vgroup_to_loopweights(
mdef, vg_idx, num_verts_dst, loops_dst, num_loops_dst,
weights[LDATA], invert_vgroup);
}
if (data_transfer_layersmapping_generate(
&lay_map, ob_src, ob_dst, me_src, me_dst, ME_LOOP,
cddata_type, mix_mode, mix_factor, weights[LDATA],
num_loops_dst, use_create, use_delete, fromlayers, tolayers, space_transform))
{
CustomDataTransferLayerMap *lay_mapit;
changed = (lay_map.first != NULL);
for (lay_mapit = lay_map.first; lay_mapit; lay_mapit = lay_mapit->next) {
CustomData_data_transfer(&geom_map[LDATA], lay_mapit);
}
BLI_freelistN(&lay_map);
}
}
if (DT_DATATYPE_IS_POLY(dtdata_type)) {
MVert *verts_dst = me_dst->mvert;
const int num_verts_dst = me_dst->totvert;
MPoly *polys_dst = me_dst->mpoly;
const int num_polys_dst = me_dst->totpoly;
MLoop *loops_dst = me_dst->mloop;
const int num_loops_dst = me_dst->totloop;
CustomData *pdata_dst = &me_dst->pdata;
if (!geom_map_init[PDATA]) {
const int num_polys_src = me_src->totpoly;
if ((map_poly_mode == MREMAP_MODE_TOPOLOGY) && (num_polys_dst != num_polys_src)) {
BKE_report(reports, RPT_ERROR,
"Source and destination meshes do not have the same amount of faces, "
"'Topology' mapping cannot be used in this case");
continue;
}
if ((map_poly_mode & MREMAP_USE_EDGE) && (me_src->totedge == 0)) {
BKE_report(reports, RPT_ERROR,
"Source mesh doesn't have any edges, "
"None of the 'Edge' mappings can be used in this case");
continue;
}
if (ELEM(0, num_polys_dst, num_polys_src)) {
BKE_report(reports, RPT_ERROR,
"Source or destination meshes do not have any faces, cannot transfer face data");
continue;
}
BKE_mesh_remap_calc_polys_from_mesh(
map_poly_mode, space_transform, max_distance, ray_radius,
verts_dst, num_verts_dst, loops_dst, num_loops_dst,
polys_dst, num_polys_dst, pdata_dst, dirty_nors_dst,
me_src, &geom_map[PDATA]);
geom_map_init[PDATA] = true;
}
if (mdef && vg_idx != -1 && !weights[PDATA]) {
weights[PDATA] = MEM_mallocN(sizeof(*weights[PDATA]) * (size_t)num_polys_dst, __func__);
BKE_defvert_extract_vgroup_to_polyweights(
mdef, vg_idx, num_verts_dst, loops_dst, num_loops_dst,
polys_dst, num_polys_dst, weights[PDATA], invert_vgroup);
}
if (data_transfer_layersmapping_generate(
&lay_map, ob_src, ob_dst, me_src, me_dst, ME_POLY,
cddata_type, mix_mode, mix_factor, weights[PDATA],
num_polys_dst, use_create, use_delete, fromlayers, tolayers, space_transform))
{
CustomDataTransferLayerMap *lay_mapit;
changed = (lay_map.first != NULL);
for (lay_mapit = lay_map.first; lay_mapit; lay_mapit = lay_mapit->next) {
CustomData_data_transfer(&geom_map[PDATA], lay_mapit);
}
BLI_freelistN(&lay_map);
}
}
data_transfer_dtdata_type_postprocess(ob_src, ob_dst, me_src, me_dst, dtdata_type, changed);
}
for (i = 0; i < DATAMAX; i++) {
BKE_mesh_remap_free(&geom_map[i]);
MEM_SAFE_FREE(weights[i]);
}
return changed;
#undef VDATA
#undef EDATA
#undef LDATA
#undef PDATA
#undef DATAMAX
}
bool BKE_object_data_transfer_mesh(
struct Depsgraph *depsgraph, Scene *scene, Object *ob_src, Object *ob_dst, const int data_types,
const bool use_create, const int map_vert_mode, const int map_edge_mode, const int map_loop_mode,
const int map_poly_mode, SpaceTransform *space_transform, const bool auto_transform,
const float max_distance, const float ray_radius, const float islands_handling_precision,
const int fromlayers_select[DT_MULTILAYER_INDEX_MAX], const int tolayers_select[DT_MULTILAYER_INDEX_MAX],
const int mix_mode, const float mix_factor, const char *vgroup_name, const bool invert_vgroup,
ReportList *reports)
{
return BKE_object_data_transfer_ex(
depsgraph, scene, ob_src, ob_dst, NULL, data_types, use_create,
map_vert_mode, map_edge_mode, map_loop_mode, map_poly_mode,
space_transform, auto_transform,
max_distance, ray_radius, islands_handling_precision,
fromlayers_select, tolayers_select,
mix_mode, mix_factor, vgroup_name, invert_vgroup, reports);
}
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