static PyObject *bpy_bmlayercollection_subscript_str(BPy_BMLayerCollection *self, const char *keyname)
{
CustomData *data;
int index;
BPY_BM_CHECK_OBJ(self);
data = bpy_bm_customdata_get(self->bm, self->htype);
index = CustomData_get_named_layer(data, self->type, keyname); /* type relative */
if (index != -1) {
return BPy_BMLayerItem_CreatePyObject(self->bm, self->htype, self->type, index);
}
else {
PyErr_Format(PyExc_KeyError,
"BMLayerCollection[key]: key \"%.200s\" not found", keyname);
return NULL;
}
}
static PyObject *bpy_bmlayercollection_get(BPy_BMLayerCollection *self, PyObject *args)
{
const char *key;
PyObject *def = Py_None;
BPY_BM_CHECK_OBJ(self);
if (!PyArg_ParseTuple(args, "s|O:get", &key, &def)) {
return NULL;
}
else {
CustomData *data;
int index;
data = bpy_bm_customdata_get(self->bm, self->htype);
index = CustomData_get_named_layer(data, self->type, key); /* type relative */
if (index != -1) {
return BPy_BMLayerItem_CreatePyObject(self->bm, self->htype, self->type, index);
}
}
return Py_INCREF_RET(def);
}
static int bake(
Render *re, Main *bmain, Scene *scene, Object *ob_low, ListBase *selected_objects, ReportList *reports,
const ScenePassType pass_type, const int margin,
const BakeSaveMode save_mode, const bool is_clear, const bool is_split_materials,
const bool is_automatic_name, const bool is_selected_to_active, const bool is_cage,
const float cage_extrusion, const int normal_space, const BakeNormalSwizzle normal_swizzle[],
const char *custom_cage, const char *filepath, const int width, const int height,
const char *identifier, ScrArea *sa, const char *uv_layer)
{
int op_result = OPERATOR_CANCELLED;
bool ok = false;
Object *ob_cage = NULL;
BakeHighPolyData *highpoly = NULL;
int tot_highpoly = 0;
char restrict_flag_low = ob_low->restrictflag;
char restrict_flag_cage = 0;
Mesh *me_low = NULL;
Mesh *me_cage = NULL;
float *result = NULL;
BakePixel *pixel_array_low = NULL;
BakePixel *pixel_array_high = NULL;
const bool is_save_internal = (save_mode == R_BAKE_SAVE_INTERNAL);
const bool is_noncolor = is_noncolor_pass(pass_type);
const int depth = RE_pass_depth(pass_type);
BakeImages bake_images = {NULL};
size_t num_pixels;
int tot_materials;
RE_bake_engine_set_engine_parameters(re, bmain, scene);
if (!RE_bake_has_engine(re)) {
BKE_report(reports, RPT_ERROR, "Current render engine does not support baking");
goto cleanup;
}
tot_materials = ob_low->totcol;
if (uv_layer && uv_layer[0] != '\0') {
Mesh *me = (Mesh *)ob_low->data;
if (CustomData_get_named_layer(&me->ldata, CD_MLOOPUV, uv_layer) == -1) {
BKE_reportf(reports, RPT_ERROR,
"No UV layer named \"%s\" found in the object \"%s\"", uv_layer, ob_low->id.name + 2);
goto cleanup;
}
}
if (tot_materials == 0) {
if (is_save_internal) {
BKE_report(reports, RPT_ERROR,
"No active image found, add a material or bake to an external file");
goto cleanup;
}
else if (is_split_materials) {
BKE_report(reports, RPT_ERROR,
"No active image found, add a material or bake without the Split Materials option");
goto cleanup;
}
else {
/* baking externally without splitting materials */
tot_materials = 1;
}
}
/* we overallocate in case there is more materials than images */
bake_images.data = MEM_mallocN(sizeof(BakeImage) * tot_materials, "bake images dimensions (width, height, offset)");
bake_images.lookup = MEM_mallocN(sizeof(int) * tot_materials, "bake images lookup (from material to BakeImage)");
build_image_lookup(bmain, ob_low, &bake_images);
if (is_save_internal) {
num_pixels = initialize_internal_images(&bake_images, reports);
if (num_pixels == 0) {
goto cleanup;
}
}
else {
/* when saving extenally always use the size specified in the UI */
num_pixels = (size_t)width * (size_t)height * bake_images.size;
for (int i = 0; i < bake_images.size; i++) {
bake_images.data[i].width = width;
bake_images.data[i].height = height;
bake_images.data[i].offset = (is_split_materials ? num_pixels : 0);
bake_images.data[i].image = NULL;
}
if (!is_split_materials) {
/* saving a single image */
for (int i = 0; i < tot_materials; i++) {
bake_images.lookup[i] = 0;
}
}
}
if (is_selected_to_active) {
CollectionPointerLink *link;
tot_highpoly = 0;
for (link = selected_objects->first; link; link = link->next) {
Object *ob_iter = link->ptr.data;
if (ob_iter == ob_low)
continue;
tot_highpoly ++;
}
if (is_cage && custom_cage[0] != '\0') {
ob_cage = BLI_findstring(&bmain->object, custom_cage, offsetof(ID, name) + 2);
if (ob_cage == NULL || ob_cage->type != OB_MESH) {
BKE_report(reports, RPT_ERROR, "No valid cage object");
goto cleanup;
}
else {
restrict_flag_cage = ob_cage->restrictflag;
ob_cage->restrictflag |= OB_RESTRICT_RENDER;
}
}
}
pixel_array_low = MEM_mallocN(sizeof(BakePixel) * num_pixels, "bake pixels low poly");
pixel_array_high = MEM_mallocN(sizeof(BakePixel) * num_pixels, "bake pixels high poly");
result = MEM_callocN(sizeof(float) * depth * num_pixels, "bake return pixels");
/* get the mesh as it arrives in the renderer */
me_low = BKE_mesh_new_from_object(bmain, scene, ob_low, 1, 2, 0, 0);
BKE_mesh_split_faces(me_low);
/* populate the pixel array with the face data */
if ((is_selected_to_active && (ob_cage == NULL) && is_cage) == false)
RE_bake_pixels_populate(me_low, pixel_array_low, num_pixels, &bake_images, uv_layer);
/* else populate the pixel array with the 'cage' mesh (the smooth version of the mesh) */
if (is_selected_to_active) {
CollectionPointerLink *link;
ModifierData *md, *nmd;
ListBase modifiers_tmp, modifiers_original;
int i = 0;
/* prepare cage mesh */
if (ob_cage) {
me_cage = BKE_mesh_new_from_object(bmain, scene, ob_cage, 1, 2, 0, 0);
BKE_mesh_split_faces(me_cage);
if ((me_low->totpoly != me_cage->totpoly) || (me_low->totloop != me_cage->totloop)) {
BKE_report(reports, RPT_ERROR,
"Invalid cage object, the cage mesh must have the same number "
"of faces as the active object");
goto cleanup;
}
}
else if (is_cage) {
modifiers_original = ob_low->modifiers;
BLI_listbase_clear(&modifiers_tmp);
for (md = ob_low->modifiers.first; md; md = md->next) {
/* Edge Split cannot be applied in the cage,
* the cage is supposed to have interpolated normals
* between the faces unless the geometry is physically
* split. So we create a copy of the low poly mesh without
* the eventual edge split.*/
if (md->type == eModifierType_EdgeSplit)
continue;
nmd = modifier_new(md->type);
BLI_strncpy(nmd->name, md->name, sizeof(nmd->name));
modifier_copyData(md, nmd);
BLI_addtail(&modifiers_tmp, nmd);
}
/* temporarily replace the modifiers */
ob_low->modifiers = modifiers_tmp;
/* get the cage mesh as it arrives in the renderer */
me_cage = BKE_mesh_new_from_object(bmain, scene, ob_low, 1, 2, 0, 0);
BKE_mesh_split_faces(me_cage);
RE_bake_pixels_populate(me_cage, pixel_array_low, num_pixels, &bake_images, uv_layer);
}
highpoly = MEM_callocN(sizeof(BakeHighPolyData) * tot_highpoly, "bake high poly objects");
/* populate highpoly array */
for (link = selected_objects->first; link; link = link->next) {
TriangulateModifierData *tmd;
Object *ob_iter = link->ptr.data;
if (ob_iter == ob_low)
continue;
/* initialize highpoly_data */
highpoly[i].ob = ob_iter;
highpoly[i].restrict_flag = ob_iter->restrictflag;
/* triangulating so BVH returns the primitive_id that will be used for rendering */
highpoly[i].tri_mod = ED_object_modifier_add(
reports, bmain, scene, highpoly[i].ob,
"TmpTriangulate", eModifierType_Triangulate);
tmd = (TriangulateModifierData *)highpoly[i].tri_mod;
tmd->quad_method = MOD_TRIANGULATE_QUAD_FIXED;
tmd->ngon_method = MOD_TRIANGULATE_NGON_EARCLIP;
highpoly[i].me = BKE_mesh_new_from_object(bmain, scene, highpoly[i].ob, 1, 2, 0, 0);
highpoly[i].ob->restrictflag &= ~OB_RESTRICT_RENDER;
BKE_mesh_split_faces(highpoly[i].me);
/* lowpoly to highpoly transformation matrix */
copy_m4_m4(highpoly[i].obmat, highpoly[i].ob->obmat);
invert_m4_m4(highpoly[i].imat, highpoly[i].obmat);
highpoly[i].is_flip_object = is_negative_m4(highpoly[i].ob->obmat);
i++;
}
BLI_assert(i == tot_highpoly);
ob_low->restrictflag |= OB_RESTRICT_RENDER;
/* populate the pixel arrays with the corresponding face data for each high poly object */
if (!RE_bake_pixels_populate_from_objects(
me_low, pixel_array_low, pixel_array_high, highpoly, tot_highpoly, num_pixels, ob_cage != NULL,
cage_extrusion, ob_low->obmat, (ob_cage ? ob_cage->obmat : ob_low->obmat), me_cage))
{
BKE_report(reports, RPT_ERROR, "Error handling selected objects");
goto cage_cleanup;
}
/* the baking itself */
for (i = 0; i < tot_highpoly; i++) {
ok = RE_bake_engine(re, highpoly[i].ob, i, pixel_array_high,
num_pixels, depth, pass_type, result);
if (!ok) {
BKE_reportf(reports, RPT_ERROR, "Error baking from object \"%s\"", highpoly[i].ob->id.name + 2);
goto cage_cleanup;
}
}
cage_cleanup:
/* reverting data back */
if ((ob_cage == NULL) && is_cage) {
ob_low->modifiers = modifiers_original;
while ((md = BLI_pophead(&modifiers_tmp))) {
modifier_free(md);
}
}
if (!ok) {
goto cleanup;
}
}
else {
/* make sure low poly renders */
ob_low->restrictflag &= ~OB_RESTRICT_RENDER;
if (RE_bake_has_engine(re)) {
ok = RE_bake_engine(re, ob_low, 0, pixel_array_low, num_pixels, depth, pass_type, result);
}
else {
BKE_report(reports, RPT_ERROR, "Current render engine does not support baking");
goto cleanup;
}
}
/* normal space conversion
* the normals are expected to be in world space, +X +Y +Z */
if (ok && pass_type == SCE_PASS_NORMAL) {
switch (normal_space) {
case R_BAKE_SPACE_WORLD:
{
/* Cycles internal format */
if ((normal_swizzle[0] == R_BAKE_POSX) &&
(normal_swizzle[1] == R_BAKE_POSY) &&
(normal_swizzle[2] == R_BAKE_POSZ))
{
break;
}
else {
RE_bake_normal_world_to_world(pixel_array_low, num_pixels, depth, result, normal_swizzle);
}
break;
}
case R_BAKE_SPACE_OBJECT:
{
RE_bake_normal_world_to_object(pixel_array_low, num_pixels, depth, result, ob_low, normal_swizzle);
break;
}
case R_BAKE_SPACE_TANGENT:
{
if (is_selected_to_active) {
RE_bake_normal_world_to_tangent(pixel_array_low, num_pixels, depth, result, me_low, normal_swizzle, ob_low->obmat);
}
else {
/* from multiresolution */
Mesh *me_nores = NULL;
ModifierData *md = NULL;
int mode;
md = modifiers_findByType(ob_low, eModifierType_Multires);
if (md) {
mode = md->mode;
md->mode &= ~eModifierMode_Render;
}
me_nores = BKE_mesh_new_from_object(bmain, scene, ob_low, 1, 2, 0, 0);
BKE_mesh_split_faces(me_nores);
RE_bake_pixels_populate(me_nores, pixel_array_low, num_pixels, &bake_images, uv_layer);
RE_bake_normal_world_to_tangent(pixel_array_low, num_pixels, depth, result, me_nores, normal_swizzle, ob_low->obmat);
BKE_libblock_free(bmain, me_nores);
if (md)
md->mode = mode;
}
break;
}
default:
break;
}
}
if (!ok) {
BKE_reportf(reports, RPT_ERROR, "Problem baking object \"%s\"", ob_low->id.name + 2);
op_result = OPERATOR_CANCELLED;
}
else {
/* save the results */
for (int i = 0; i < bake_images.size; i++) {
BakeImage *bk_image = &bake_images.data[i];
if (is_save_internal) {
ok = write_internal_bake_pixels(
bk_image->image,
pixel_array_low + bk_image->offset,
result + bk_image->offset * depth,
bk_image->width, bk_image->height,
margin, is_clear, is_noncolor);
/* might be read by UI to set active image for display */
bake_update_image(sa, bk_image->image);
if (!ok) {
BKE_reportf(reports, RPT_ERROR,
"Problem saving the bake map internally for object \"%s\"", ob_low->id.name + 2);
op_result = OPERATOR_CANCELLED;
}
else {
BKE_report(reports, RPT_INFO,
"Baking map saved to internal image, save it externally or pack it");
op_result = OPERATOR_FINISHED;
}
}
/* save externally */
else {
BakeData *bake = &scene->r.bake;
char name[FILE_MAX];
BKE_image_path_from_imtype(name, filepath, bmain->name, 0, bake->im_format.imtype, true, false, NULL);
if (is_automatic_name) {
BLI_path_suffix(name, FILE_MAX, ob_low->id.name + 2, "_");
BLI_path_suffix(name, FILE_MAX, identifier, "_");
}
if (is_split_materials) {
if (bk_image->image) {
BLI_path_suffix(name, FILE_MAX, bk_image->image->id.name + 2, "_");
}
else {
if (ob_low->mat[i]) {
BLI_path_suffix(name, FILE_MAX, ob_low->mat[i]->id.name + 2, "_");
}
else if (me_low->mat[i]) {
BLI_path_suffix(name, FILE_MAX, me_low->mat[i]->id.name + 2, "_");
}
else {
/* if everything else fails, use the material index */
char tmp[4];
sprintf(tmp, "%d", i % 1000);
BLI_path_suffix(name, FILE_MAX, tmp, "_");
}
}
}
/* save it externally */
ok = write_external_bake_pixels(
name,
pixel_array_low + bk_image->offset,
result + bk_image->offset * depth,
bk_image->width, bk_image->height,
margin, &bake->im_format, is_noncolor);
if (!ok) {
BKE_reportf(reports, RPT_ERROR, "Problem saving baked map in \"%s\"", name);
op_result = OPERATOR_CANCELLED;
}
else {
BKE_reportf(reports, RPT_INFO, "Baking map written to \"%s\"", name);
op_result = OPERATOR_FINISHED;
}
if (!is_split_materials) {
break;
}
}
}
}
if (is_save_internal)
refresh_images(&bake_images);
cleanup:
if (highpoly) {
int i;
for (i = 0; i < tot_highpoly; i++) {
highpoly[i].ob->restrictflag = highpoly[i].restrict_flag;
if (highpoly[i].tri_mod)
ED_object_modifier_remove(reports, bmain, highpoly[i].ob, highpoly[i].tri_mod);
if (highpoly[i].me)
BKE_libblock_free(bmain, highpoly[i].me);
}
MEM_freeN(highpoly);
}
ob_low->restrictflag = restrict_flag_low;
if (ob_cage)
ob_cage->restrictflag = restrict_flag_cage;
if (pixel_array_low)
MEM_freeN(pixel_array_low);
if (pixel_array_high)
MEM_freeN(pixel_array_high);
if (bake_images.data)
MEM_freeN(bake_images.data);
if (bake_images.lookup)
MEM_freeN(bake_images.lookup);
if (result)
MEM_freeN(result);
if (me_low)
BKE_libblock_free(bmain, me_low);
if (me_cage)
BKE_libblock_free(bmain, me_cage);
return op_result;
}
void RE_bake_pixels_populate(
Mesh *me, BakePixel pixel_array[],
const size_t num_pixels, const BakeImages *bake_images, const char *uv_layer)
{
BakeDataZSpan bd;
size_t i;
int a, p_id;
MTFace *mtface;
MFace *mface;
/* we can't bake in edit mode */
if (me->edit_btmesh)
return;
bd.pixel_array = pixel_array;
bd.zspan = MEM_callocN(sizeof(ZSpan) * bake_images->size, "bake zspan");
/* initialize all pixel arrays so we know which ones are 'blank' */
for (i = 0; i < num_pixels; i++) {
pixel_array[i].primitive_id = -1;
}
for (i = 0; i < bake_images->size; i++) {
zbuf_alloc_span(&bd.zspan[i], bake_images->data[i].width, bake_images->data[i].height, R.clipcrop);
}
if ((uv_layer == NULL) || (uv_layer[0] == '\0')) {
mtface = CustomData_get_layer(&me->fdata, CD_MTFACE);
}
else {
int uv_id = CustomData_get_named_layer(&me->fdata, CD_MTFACE, uv_layer);
mtface = CustomData_get_layer_n(&me->fdata, CD_MTFACE, uv_id);
}
mface = CustomData_get_layer(&me->fdata, CD_MFACE);
if (mtface == NULL)
return;
p_id = -1;
for (i = 0; i < me->totface; i++) {
float vec[4][2];
MTFace *mtf = &mtface[i];
MFace *mf = &mface[i];
int mat_nr = mf->mat_nr;
int image_id = bake_images->lookup[mat_nr];
bd.bk_image = &bake_images->data[image_id];
bd.primitive_id = ++p_id;
for (a = 0; a < 4; a++) {
/* Note, workaround for pixel aligned UVs which are common and can screw up our intersection tests
* where a pixel gets in between 2 faces or the middle of a quad,
* camera aligned quads also have this problem but they are less common.
* Add a small offset to the UVs, fixes bug #18685 - Campbell */
vec[a][0] = mtf->uv[a][0] * (float)bd.bk_image->width - (0.5f + 0.001f);
vec[a][1] = mtf->uv[a][1] * (float)bd.bk_image->height - (0.5f + 0.002f);
}
bake_differentials(&bd, vec[0], vec[1], vec[2]);
zspan_scanconvert(&bd.zspan[image_id], (void *)&bd, vec[0], vec[1], vec[2], store_bake_pixel);
/* 4 vertices in the face */
if (mf->v4 != 0) {
bd.primitive_id = ++p_id;
bake_differentials(&bd, vec[0], vec[2], vec[3]);
zspan_scanconvert(&bd.zspan[image_id], (void *)&bd, vec[0], vec[2], vec[3], store_bake_pixel);
}
}
for (i = 0; i < bake_images->size; i++) {
zbuf_free_span(&bd.zspan[i]);
}
MEM_freeN(bd.zspan);
}
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_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;
}
void RE_bake_pixels_populate(
Mesh *me, BakePixel pixel_array[],
const size_t num_pixels, const BakeImages *bake_images, const char *uv_layer)
{
BakeDataZSpan bd;
size_t i;
int a, p_id;
const MLoopUV *mloopuv;
const int tottri = poly_to_tri_count(me->totpoly, me->totloop);
MLoopTri *looptri;
#ifdef USE_MFACE_WORKAROUND
unsigned int mpoly_prev_testindex = UINT_MAX;
#endif
/* we can't bake in edit mode */
if (me->edit_btmesh)
return;
if ((uv_layer == NULL) || (uv_layer[0] == '\0')) {
mloopuv = CustomData_get_layer(&me->ldata, CD_MLOOPUV);
}
else {
int uv_id = CustomData_get_named_layer(&me->ldata, CD_MLOOPUV, uv_layer);
mloopuv = CustomData_get_layer_n(&me->ldata, CD_MTFACE, uv_id);
}
if (mloopuv == NULL)
return;
bd.pixel_array = pixel_array;
bd.zspan = MEM_callocN(sizeof(ZSpan) * bake_images->size, "bake zspan");
/* initialize all pixel arrays so we know which ones are 'blank' */
for (i = 0; i < num_pixels; i++) {
pixel_array[i].primitive_id = -1;
}
for (i = 0; i < bake_images->size; i++) {
zbuf_alloc_span(&bd.zspan[i], bake_images->data[i].width, bake_images->data[i].height, R.clipcrop);
}
looptri = MEM_mallocN(sizeof(*looptri) * tottri, __func__);
BKE_mesh_recalc_looptri(
me->mloop, me->mpoly,
me->mvert,
me->totloop, me->totpoly,
looptri);
p_id = -1;
for (i = 0; i < tottri; i++) {
const MLoopTri *lt = &looptri[i];
const MPoly *mp = &me->mpoly[lt->poly];
float vec[3][2];
int mat_nr = mp->mat_nr;
int image_id = bake_images->lookup[mat_nr];
bd.bk_image = &bake_images->data[image_id];
bd.primitive_id = ++p_id;
#ifdef USE_MFACE_WORKAROUND
if (lt->poly != mpoly_prev_testindex) {
test_index_face_looptri(mp, me->mloop, &looptri[i]);
mpoly_prev_testindex = lt->poly;
}
#endif
for (a = 0; a < 3; a++) {
const float *uv = mloopuv[lt->tri[a]].uv;
/* Note, workaround for pixel aligned UVs which are common and can screw up our intersection tests
* where a pixel gets in between 2 faces or the middle of a quad,
* camera aligned quads also have this problem but they are less common.
* Add a small offset to the UVs, fixes bug #18685 - Campbell */
vec[a][0] = uv[0] * (float)bd.bk_image->width - (0.5f + 0.001f);
vec[a][1] = uv[1] * (float)bd.bk_image->height - (0.5f + 0.002f);
}
bake_differentials(&bd, vec[0], vec[1], vec[2]);
zspan_scanconvert(&bd.zspan[image_id], (void *)&bd, vec[0], vec[1], vec[2], store_bake_pixel);
}
for (i = 0; i < bake_images->size; i++) {
zbuf_free_span(&bd.zspan[i]);
}
MEM_freeN(looptri);
MEM_freeN(bd.zspan);
}
bool BKE_mesh_uv_cdlayer_rename(Mesh *me, const char *old_name, const char *new_name, bool do_tessface)
{
CustomData *pdata, *ldata, *fdata;
if (me->edit_btmesh) {
pdata = &me->edit_btmesh->bm->pdata;
ldata = &me->edit_btmesh->bm->ldata;
/* No tessellated data in BMesh! */
fdata = NULL;
do_tessface = false;
}
else {
pdata = &me->pdata;
ldata = &me->ldata;
fdata = &me->fdata;
do_tessface = (do_tessface && fdata->totlayer);
}
{
const int pidx_start = CustomData_get_layer_index(pdata, CD_MTEXPOLY);
const int lidx_start = CustomData_get_layer_index(ldata, CD_MLOOPUV);
const int fidx_start = do_tessface ? CustomData_get_layer_index(fdata, CD_MTFACE) : -1;
int pidx = CustomData_get_named_layer(pdata, CD_MTEXPOLY, old_name);
int lidx = CustomData_get_named_layer(ldata, CD_MLOOPUV, old_name);
int fidx = do_tessface ? CustomData_get_named_layer(fdata, CD_MTFACE, old_name) : -1;
/* None of those cases should happen, in theory!
* Note this assume we have the same number of mtexpoly, mloopuv and mtface layers!
*/
if (pidx == -1) {
if (lidx == -1) {
if (fidx == -1) {
/* No layer found with this name! */
return false;
}
else {
lidx = fidx;
}
}
pidx = lidx;
}
else {
if (lidx == -1) {
lidx = pidx;
}
if (fidx == -1 && do_tessface) {
fidx = pidx;
}
}
#if 0
/* For now, we do not consider mismatch in indices (i.e. same name leading to (relative) different indices). */
else if (pidx != lidx) {
lidx = pidx;
}
#endif
/* Go back to absolute indices! */
pidx += pidx_start;
lidx += lidx_start;
if (fidx != -1)
fidx += fidx_start;
return BKE_mesh_uv_cdlayer_rename_index(me, pidx, lidx, fidx, new_name, do_tessface);
}