static PyObject *bpy_bmlayercollection_new(BPy_BMLayerCollection *self, PyObject *args)
{
const char *name = NULL;
int index;
CustomData *data;
BPY_BM_CHECK_OBJ(self);
if (!PyArg_ParseTuple(args, "|s:new", &name)) {
return NULL;
}
data = bpy_bm_customdata_get(self->bm, self->htype);
if (CustomData_layertype_is_singleton(self->type) &&
CustomData_has_layer(data, self->type))
{
PyErr_SetString(PyExc_ValueError,
"layers.new(): is a singleton, use verify() instead");
return NULL;
}
if (name) {
BM_data_layer_add_named(self->bm, data, self->type, name);
}
else {
BM_data_layer_add(self->bm, data, self->type);
}
index = CustomData_number_of_layers(data, self->type) - 1;
BLI_assert(index >= 0);
return BPy_BMLayerItem_CreatePyObject(self->bm, self->htype, self->type, index);
}
void BM_mesh_cd_flag_apply(BMesh *bm, const char cd_flag)
{
/* CustomData_bmesh_init_pool() must run first */
BLI_assert(bm->vdata.totlayer == 0 || bm->vdata.pool != NULL);
BLI_assert(bm->edata.totlayer == 0 || bm->edata.pool != NULL);
BLI_assert(bm->pdata.totlayer == 0 || bm->pdata.pool != NULL);
if (cd_flag & ME_CDFLAG_VERT_BWEIGHT) {
if (!CustomData_has_layer(&bm->vdata, CD_BWEIGHT)) {
BM_data_layer_add(bm, &bm->vdata, CD_BWEIGHT);
}
}
else {
if (CustomData_has_layer(&bm->vdata, CD_BWEIGHT)) {
BM_data_layer_free(bm, &bm->vdata, CD_BWEIGHT);
}
}
if (cd_flag & ME_CDFLAG_EDGE_BWEIGHT) {
if (!CustomData_has_layer(&bm->edata, CD_BWEIGHT)) {
BM_data_layer_add(bm, &bm->edata, CD_BWEIGHT);
}
}
else {
if (CustomData_has_layer(&bm->edata, CD_BWEIGHT)) {
BM_data_layer_free(bm, &bm->edata, CD_BWEIGHT);
}
}
if (cd_flag & ME_CDFLAG_EDGE_CREASE) {
if (!CustomData_has_layer(&bm->edata, CD_CREASE)) {
BM_data_layer_add(bm, &bm->edata, CD_CREASE);
}
}
else {
if (CustomData_has_layer(&bm->edata, CD_CREASE)) {
BM_data_layer_free(bm, &bm->edata, CD_CREASE);
}
}
}
static PyObject *bpy_bmlayercollection_verify(BPy_BMLayerCollection *self)
{
int index;
CustomData *data;
BPY_BM_CHECK_OBJ(self);
data = bpy_bm_customdata_get(self->bm, self->htype);
index = CustomData_get_active_layer(data, self->type); /* type relative */
if (index == -1) {
BM_data_layer_add(self->bm, data, self->type);
index = 0;
}
BLI_assert(index >= 0);
return BPy_BMLayerItem_CreatePyObject(self->bm, self->htype, self->type, index);
}
