diff options
Diffstat (limited to 'source/blender/blenkernel/intern/data_transfer.c')
| -rw-r--r-- | source/blender/blenkernel/intern/data_transfer.c | 1238 |
1 files changed, 1238 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/data_transfer.c b/source/blender/blenkernel/intern/data_transfer.c new file mode 100644 index 00000000000..b573d621052 --- /dev/null +++ b/source/blender/blenkernel/intern/data_transfer.c @@ -0,0 +1,1238 @@ +/* + * ***** BEGIN GPL LICENSE BLOCK ***** + * + * 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. + * + * The Original Code is: all of this file. + * + * Contributor(s): Bastien Montagne. + * + * ***** END GPL LICENSE BLOCK ***** + */ + +/** \file blender/blenkernel/intern/data_transfer.c + * \ingroup bke + */ + +#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_array.h" +#include "BLI_math.h" +#include "BLI_blenlib.h" +#include "BLI_utildefines.h" + +#include "BKE_context.h" +#include "BKE_customdata.h" +#include "BKE_data_transfer.h" +#include "BKE_deform.h" +#include "BKE_DerivedMesh.h" +#include "BKE_mesh_mapping.h" +#include "BKE_mesh_remap.h" +#include "BKE_object.h" +#include "BKE_object_deform.h" +#include "BKE_report.h" + +#include "data_transfer_intern.h" + + +CustomDataMask BKE_object_data_transfer_dttypes_to_cdmask(const int dtdata_types) +{ + CustomDataMask cddata_mask = 0; + int i; + + for (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)) { + cddata_mask |= 1LL << cddata_type; + } + else if (cddata_type == CD_FAKE_MDEFORMVERT) { + cddata_mask |= CD_MASK_MDEFORMVERT; /* Exception for vgroups :/ */ + } + else if (cddata_type == CD_FAKE_UV) { + cddata_mask |= CD_MASK_MTEXPOLY | CD_MASK_MLOOPUV; + } + } + + return cddata_mask; +} + +/* 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: + 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_SHARP_FACE: + ret = true; + break; + case DT_TYPE_FREESTYLE_FACE: + 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; + + 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; + } +} + +/* ********** */ + +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_uv; + break; + 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, + void **sources, const float *weights, const int count, const float mix_factor) +{ + char **data_src = (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, + 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) +{ + 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; + + 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) +{ + data_transfer_layersmapping_add_item( + r_map, cddata_type, mix_mode, mix_factor, mix_weights, data_src, data_dst, + 0, 0, 0, 0, 0, 0, NULL); +} + +/* 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) +{ + 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) { + return true; + } + /* 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 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 derivedmesh, we do not want to overwrite cdlayers of org 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); + } + } + 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) { + if (r_map) { + BLI_freelistN(r_map); + } + 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); + } + else if (data_dst_to_delete) { + data_dst_to_delete[idx_dst] = false; + } + if (r_map) { + /* If dest is a derivedmesh, we do not want to overwrite cdlayers of org 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); + } + } + + 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) +{ + 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 derivedmesh, we do not want to overwrite cdlayers of org 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); + } + } + 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 derivedmesh, we do not want to overwrite cdlayers of org 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 derivedmesh, we do not want to overwrite cdlayers of org 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 derivedmesh, we do not want to overwrite cdlayers of org 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 derivedmesh, we do not want to overwrite cdlayers of org 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); + } + } + 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); + + 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, DerivedMesh *dm_src, DerivedMesh *dm_dst, 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) +{ + CustomData *cd_src, *cd_dst; + + if (elem_type == ME_VERT) { + if (!(cddata_type & CD_FAKE)) { + cd_src = dm_src->getVertDataLayout(dm_src); + cd_dst = dm_dst ? dm_dst->getVertDataLayout(dm_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, dm_dst != NULL, + fromlayers, tolayers)) + { + /* 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 (!(dm_src->cd_flag & ME_CDFLAG_VERT_BWEIGHT)) { + if (use_delete && !dm_dst) { + me_dst->cd_flag &= ~ME_CDFLAG_VERT_BWEIGHT; + } + return true; + } + if (dm_dst) { + dm_dst->cd_flag |= ME_CDFLAG_VERT_BWEIGHT; + } + else { + 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, + dm_src->getVertArray(dm_src), + dm_dst ? dm_dst->getVertArray(dm_dst) : me_dst->mvert, + dm_src->getNumVerts(dm_src), + dm_dst ? dm_dst->getNumVerts(dm_dst) : me_dst->totvert, + elem_size, data_size, data_offset, data_flag, + data_transfer_interp_char); + } + return true; + } + else if (cddata_type == CD_FAKE_MDEFORMVERT) { + cd_src = dm_src->getVertDataLayout(dm_src); + cd_dst = dm_dst ? dm_dst->getVertDataLayout(dm_dst) : &me_dst->vdata; + + return 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, dm_dst != NULL, + fromlayers, tolayers); + } + else if (cddata_type == CD_FAKE_SHAPEKEY) { + /* TODO: leaving shapekeys asside 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 = dm_src->getEdgeDataLayout(dm_src); + cd_dst = dm_dst ? dm_dst->getEdgeDataLayout(dm_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, dm_dst != NULL, + fromlayers, tolayers)) + { + /* 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 (!(dm_src->cd_flag & ME_CDFLAG_EDGE_CREASE)) { + if (use_delete && !dm_dst) { + me_dst->cd_flag &= ~ME_CDFLAG_EDGE_CREASE; + } + return true; + } + if (dm_dst) { + dm_dst->cd_flag |= ME_CDFLAG_EDGE_CREASE; + } + else { + 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, + dm_src->getEdgeArray(dm_src), + dm_dst ? dm_dst->getEdgeArray(dm_dst) : me_dst->medge, + dm_src->getNumEdges(dm_src), + dm_dst ? dm_dst->getNumEdges(dm_dst) : me_dst->totedge, + elem_size, data_size, data_offset, data_flag, + data_transfer_interp_char); + } + 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 (!(dm_src->cd_flag & ME_CDFLAG_EDGE_BWEIGHT)) { + if (use_delete && !dm_dst) { + me_dst->cd_flag &= ~ME_CDFLAG_EDGE_BWEIGHT; + } + return true; + } + if (dm_dst) { + dm_dst->cd_flag |= ME_CDFLAG_EDGE_BWEIGHT; + } + else { + 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, + dm_src->getEdgeArray(dm_src), + dm_dst ? dm_dst->getEdgeArray(dm_dst) : me_dst->medge, + dm_src->getNumEdges(dm_src), + dm_dst ? dm_dst->getNumEdges(dm_dst) : me_dst->totedge, + elem_size, data_size, data_offset, data_flag, + data_transfer_interp_char); + } + 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, + dm_src->getEdgeArray(dm_src), + dm_dst ? dm_dst->getEdgeArray(dm_dst) : me_dst->medge, + dm_src->getNumEdges(dm_src), + dm_dst ? dm_dst->getNumEdges(dm_dst) : me_dst->totedge, + elem_size, data_size, data_offset, data_flag, NULL); + return true; + } + else { + return false; + } + } + else if (elem_type == ME_LOOP) { + if (cddata_type == CD_FAKE_UV) { + cddata_type = CD_MLOOPUV; + } + + if (!(cddata_type & CD_FAKE)) { + cd_src = dm_src->getLoopDataLayout(dm_src); + cd_dst = dm_dst ? dm_dst->getLoopDataLayout(dm_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, dm_dst != NULL, + fromlayers, tolayers)) + { + /* 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_MTEXPOLY; + } + + if (!(cddata_type & CD_FAKE)) { + cd_src = dm_src->getPolyDataLayout(dm_src); + cd_dst = dm_dst ? dm_dst->getPolyDataLayout(dm_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, dm_dst != NULL, + fromlayers, tolayers)) + { + /* 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, + dm_src->getPolyArray(dm_src), + dm_dst ? dm_dst->getPolyArray(dm_dst) : me_dst->mpoly, + dm_src->getNumPolys(dm_src), + dm_dst ? dm_dst->getNumPolys(dm_dst) : me_dst->totpoly, + elem_size, data_size, data_offset, data_flag, NULL); + 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( + 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]) +{ + DerivedMesh *dm_src; + Mesh *me_dst; + int i; + + const bool use_create = true; /* We always create needed layers here. */ + + CustomDataMask dm_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 DM.*/ + dm_src_mask |= BKE_object_data_transfer_dttypes_to_cdmask(data_types); + dm_src = mesh_get_derived_final(scene, ob_src, dm_src_mask); + if (!dm_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, dm_src, NULL, me_dst, ME_VERT, cddata_type, 0, 0.0f, NULL, + num_elem_dst, use_create, use_delete, fromlayers, tolayers); + } + if (DT_DATATYPE_IS_EDGE(dtdata_type)) { + const int num_elem_dst = me_dst->totedge; + + data_transfer_layersmapping_generate( + NULL, ob_src, ob_dst, dm_src, NULL, me_dst, ME_EDGE, cddata_type, 0, 0.0f, NULL, + num_elem_dst, use_create, use_delete, fromlayers, tolayers); + } + if (DT_DATATYPE_IS_LOOP(dtdata_type)) { + const int num_elem_dst = me_dst->totloop; + + data_transfer_layersmapping_generate( + NULL, ob_src, ob_dst, dm_src, NULL, me_dst, ME_LOOP, cddata_type, 0, 0.0f, NULL, + num_elem_dst, use_create, use_delete, fromlayers, tolayers); + } + if (DT_DATATYPE_IS_POLY(dtdata_type)) { + const int num_elem_dst = me_dst->totpoly; + + data_transfer_layersmapping_generate( + NULL, ob_src, ob_dst, dm_src, NULL, me_dst, ME_POLY, cddata_type, 0, 0.0f, NULL, + num_elem_dst, use_create, use_delete, fromlayers, tolayers); + } + } +} + +bool BKE_object_data_transfer_dm( + Scene *scene, Object *ob_src, Object *ob_dst, DerivedMesh *dm_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 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 + + DerivedMesh *dm_src; + Mesh *me_dst; + bool dirty_nors_dst = true; /* Assumed always true if not using a dm 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 = {0}; + bool changed = false; + + const bool use_delete = false; /* We never delete data layers from destination here. */ + + CustomDataMask dm_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; + if (dm_dst) { + dirty_nors_dst = (dm_dst->dirty & DM_DIRTY_NORMALS) != 0; + use_create = false; /* Never create needed custom layers on DM (modifier case). */ + } + + if (vgroup_name) { + if (dm_dst) { + mdef = dm_dst->getVertDataArray(dm_dst, CD_MDEFORMVERT); + } + else { + mdef = CustomData_get_layer(&me_dst->vdata, CD_MDEFORMVERT); + } + if (mdef) { + vg_idx = defgroup_name_index(ob_dst, vgroup_name); + } + } + + /* Get source DM.*/ + dm_src_mask |= BKE_object_data_transfer_dttypes_to_cdmask(data_types); + /* XXX Hack! In case this is being evaluated from dm stack, we cannot compute final dm, + * can lead to infinite recursion in case of dependency cycles of DataTransfer modifiers... + * Issue is, this means we cannot be sure to have requested cd layers in source. + */ + dm_src = dm_dst ? ob_src->derivedFinal : mesh_get_derived_final(scene, ob_src, dm_src_mask); + if (!dm_src) { + return changed; + } + + /* 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; + } + + 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 = dm_dst ? dm_dst->getVertArray(dm_dst) : me_dst->mvert; + const int num_verts_dst = dm_dst ? dm_dst->getNumVerts(dm_dst) : me_dst->totvert; + + if (!geom_map_init[VDATA]) { + if ((map_vert_mode == MREMAP_MODE_TOPOLOGY) && (num_verts_dst != dm_src->getNumVerts(dm_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"); + return changed; + } + BKE_mesh_remap_calc_verts_from_dm( + map_vert_mode, space_transform, max_distance, ray_radius, + verts_dst, num_verts_dst, dirty_nors_dst, dm_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, dm_src, dm_dst, me_dst, ME_VERT, + cddata_type, mix_mode, mix_factor, weights[VDATA], + num_verts_dst, use_create, use_delete, fromlayers, tolayers)) + { + 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 = dm_dst ? dm_dst->getVertArray(dm_dst) : me_dst->mvert; + const int num_verts_dst = dm_dst ? dm_dst->getNumVerts(dm_dst) : me_dst->totvert; + MEdge *edges_dst = dm_dst ? dm_dst->getEdgeArray(dm_dst) : me_dst->medge; + const int num_edges_dst = dm_dst ? dm_dst->getNumEdges(dm_dst) : me_dst->totedge; + + if (!geom_map_init[EDATA]) { + if ((map_edge_mode == MREMAP_MODE_TOPOLOGY) && (num_edges_dst != dm_src->getNumEdges(dm_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"); + return changed; + } + BKE_mesh_remap_calc_edges_from_dm( + map_edge_mode, space_transform, max_distance, ray_radius, + verts_dst, num_verts_dst, edges_dst, num_edges_dst, dirty_nors_dst, + dm_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, dm_src, dm_dst, me_dst, ME_EDGE, + cddata_type, mix_mode, mix_factor, weights[EDATA], + num_edges_dst, use_create, use_delete, fromlayers, tolayers)) + { + 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 = dm_dst ? dm_dst->getVertArray(dm_dst) : me_dst->mvert; + const int num_verts_dst = dm_dst ? dm_dst->getNumVerts(dm_dst) : me_dst->totvert; + MEdge *edges_dst = dm_dst ? dm_dst->getEdgeArray(dm_dst) : me_dst->medge; + const int num_edges_dst = dm_dst ? dm_dst->getNumEdges(dm_dst) : me_dst->totedge; + MPoly *polys_dst = dm_dst ? dm_dst->getPolyArray(dm_dst) : me_dst->mpoly; + const int num_polys_dst = dm_dst ? dm_dst->getNumPolys(dm_dst) : me_dst->totpoly; + MLoop *loops_dst = dm_dst ? dm_dst->getLoopArray(dm_dst) : me_dst->mloop; + const int num_loops_dst = dm_dst ? dm_dst->getNumLoops(dm_dst) : me_dst->totloop; + CustomData *pdata_dst = dm_dst ? dm_dst->getPolyDataLayout(dm_dst) : &me_dst->pdata; + CustomData *ldata_dst = dm_dst ? dm_dst->getLoopDataLayout(dm_dst) : &me_dst->ldata; + + MeshRemapIslandsCalc island_callback = data_transfer_get_loop_islands_generator(cddata_type); + + if (!geom_map_init[LDATA]) { + if ((map_loop_mode == MREMAP_MODE_TOPOLOGY) && (num_loops_dst != dm_src->getNumLoops(dm_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"); + return changed; + } + BKE_mesh_remap_calc_loops_from_dm( + 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->smoothresh, dirty_nors_dst, + dm_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, dm_src, dm_dst, me_dst, ME_LOOP, + cddata_type, mix_mode, mix_factor, weights[LDATA], + num_loops_dst, use_create, use_delete, fromlayers, tolayers)) + { + 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 = dm_dst ? dm_dst->getVertArray(dm_dst) : me_dst->mvert; + const int num_verts_dst = dm_dst ? dm_dst->getNumVerts(dm_dst) : me_dst->totvert; + MPoly *polys_dst = dm_dst ? dm_dst->getPolyArray(dm_dst) : me_dst->mpoly; + const int num_polys_dst = dm_dst ? dm_dst->getNumPolys(dm_dst) : me_dst->totpoly; + MLoop *loops_dst = dm_dst ? dm_dst->getLoopArray(dm_dst) : me_dst->mloop; + const int num_loops_dst = dm_dst ? dm_dst->getNumLoops(dm_dst) : me_dst->totloop; + CustomData *pdata_dst = dm_dst ? dm_dst->getPolyDataLayout(dm_dst) : &me_dst->pdata; + + if (!geom_map_init[PDATA]) { + if ((map_poly_mode == MREMAP_MODE_TOPOLOGY) && (num_polys_dst != dm_src->getNumPolys(dm_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"); + return changed; + } + BKE_mesh_remap_calc_polys_from_dm( + 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, + dm_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, dm_src, dm_dst, me_dst, ME_POLY, + cddata_type, mix_mode, mix_factor, weights[PDATA], + num_polys_dst, use_create, use_delete, fromlayers, tolayers)) + { + 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); + } + } + } + + 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( + 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 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_dm( + scene, ob_src, ob_dst, NULL, data_types, use_create, + map_vert_mode, map_edge_mode, map_loop_mode, map_poly_mode, space_transform, + max_distance, ray_radius, islands_handling_precision, fromlayers_select, tolayers_select, + mix_mode, mix_factor, vgroup_name, invert_vgroup, reports); +} |