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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2012 Blender Foundation. All rights reserved. */
/** \file
* \ingroup pybmesh
*
* This file defines the 'bmesh' module.
*/
#include <Python.h>
#include "BLI_utildefines.h"
#include "bmesh.h"
#include "bmesh_py_types.h"
#include "bmesh_py_types_customdata.h"
#include "bmesh_py_types_meshdata.h"
#include "bmesh_py_types_select.h"
#include "bmesh_py_geometry.h"
#include "bmesh_py_ops.h"
#include "bmesh_py_utils.h"
#include "BKE_editmesh.h"
#include "DNA_mesh_types.h"
#include "../generic/py_capi_utils.h"
#include "bmesh_py_api.h" /* own include */
PyDoc_STRVAR(bpy_bm_new_doc,
".. method:: new(use_operators=True)\n"
"\n"
" :arg use_operators: Support calling operators in :mod:`bmesh.ops` (uses some "
"extra memory per vert/edge/face).\n"
" :type use_operators: bool\n"
" :return: Return a new, empty BMesh.\n"
" :rtype: :class:`bmesh.types.BMesh`\n");
static PyObject *bpy_bm_new(PyObject *UNUSED(self), PyObject *args, PyObject *kw)
{
static const char *kwlist[] = {"use_operators", NULL};
BMesh *bm;
bool use_operators = true;
if (!PyArg_ParseTupleAndKeywords(
args, kw, "|$O&:new", (char **)kwlist, PyC_ParseBool, &use_operators)) {
return NULL;
}
bm = BM_mesh_create(&bm_mesh_allocsize_default,
&((struct BMeshCreateParams){
.use_toolflags = use_operators,
}));
return BPy_BMesh_CreatePyObject(bm, BPY_BMFLAG_NOP);
}
PyDoc_STRVAR(bpy_bm_from_edit_mesh_doc,
".. method:: from_edit_mesh(mesh)\n"
"\n"
" Return a BMesh from this mesh, currently the mesh must already be in editmode.\n"
"\n"
" :arg mesh: The editmode mesh.\n"
" :type mesh: :class:`bpy.types.Mesh`\n"
" :return: the BMesh associated with this mesh.\n"
" :rtype: :class:`bmesh.types.BMesh`\n");
static PyObject *bpy_bm_from_edit_mesh(PyObject *UNUSED(self), PyObject *value)
{
BMesh *bm;
Mesh *me = PyC_RNA_AsPointer(value, "Mesh");
if (me == NULL) {
return NULL;
}
if (me->edit_mesh == NULL) {
PyErr_SetString(PyExc_ValueError, "The mesh must be in editmode");
return NULL;
}
bm = me->edit_mesh->bm;
return BPy_BMesh_CreatePyObject(bm, BPY_BMFLAG_IS_WRAPPED);
}
PyDoc_STRVAR(bpy_bm_update_edit_mesh_doc,
".. method:: update_edit_mesh(mesh, loop_triangles=True, destructive=True)\n"
"\n"
" Update the mesh after changes to the BMesh in editmode,\n"
" optionally recalculating n-gon tessellation.\n"
"\n"
" :arg mesh: The editmode mesh.\n"
" :type mesh: :class:`bpy.types.Mesh`\n"
" :arg loop_triangles: Option to recalculate n-gon tessellation.\n"
" :type loop_triangles: boolean\n"
" :arg destructive: Use when geometry has been added or removed.\n"
" :type destructive: boolean\n");
static PyObject *bpy_bm_update_edit_mesh(PyObject *UNUSED(self), PyObject *args, PyObject *kw)
{
static const char *kwlist[] = {"mesh", "loop_triangles", "destructive", NULL};
PyObject *py_me;
Mesh *me;
bool do_loop_triangles = true;
bool is_destructive = true;
if (!PyArg_ParseTupleAndKeywords(args,
kw,
"O|$O&O&:update_edit_mesh",
(char **)kwlist,
&py_me,
PyC_ParseBool,
&do_loop_triangles,
PyC_ParseBool,
&is_destructive)) {
return NULL;
}
me = PyC_RNA_AsPointer(py_me, "Mesh");
if (me == NULL) {
return NULL;
}
if (me->edit_mesh == NULL) {
PyErr_SetString(PyExc_ValueError, "The mesh must be in editmode");
return NULL;
}
{
extern void EDBM_update_extern(
struct Mesh * me, const bool do_tessface, const bool is_destructive);
EDBM_update_extern(me, do_loop_triangles, is_destructive);
}
Py_RETURN_NONE;
}
static struct PyMethodDef BPy_BM_methods[] = {
{"new", (PyCFunction)bpy_bm_new, METH_VARARGS | METH_KEYWORDS, bpy_bm_new_doc},
{"from_edit_mesh", (PyCFunction)bpy_bm_from_edit_mesh, METH_O, bpy_bm_from_edit_mesh_doc},
{"update_edit_mesh",
(PyCFunction)bpy_bm_update_edit_mesh,
METH_VARARGS | METH_KEYWORDS,
bpy_bm_update_edit_mesh_doc},
{NULL, NULL, 0, NULL},
};
PyDoc_STRVAR(BPy_BM_doc,
"This module provides access to blenders bmesh data structures.\n"
"\n"
".. include:: include__bmesh.rst\n");
static struct PyModuleDef BPy_BM_module_def = {
PyModuleDef_HEAD_INIT,
/*m_name*/ "bmesh",
/*m_doc*/ BPy_BM_doc,
/*m_size*/ 0,
/*m_methods*/ BPy_BM_methods,
/*m_slots*/ NULL,
/*m_traverse*/ NULL,
/*m_clear*/ NULL,
/*m_free*/ NULL,
};
PyObject *BPyInit_bmesh(void)
{
PyObject *mod;
PyObject *submodule;
PyObject *sys_modules = PyImport_GetModuleDict();
BPy_BM_init_types();
BPy_BM_init_types_select();
BPy_BM_init_types_customdata();
BPy_BM_init_types_meshdata();
mod = PyModule_Create(&BPy_BM_module_def);
/* bmesh.types */
PyModule_AddObject(mod, "types", (submodule = BPyInit_bmesh_types()));
PyDict_SetItem(sys_modules, PyModule_GetNameObject(submodule), submodule);
/* bmesh.ops (not a real module, exposes module like access). */
PyModule_AddObject(mod, "ops", (submodule = BPyInit_bmesh_ops()));
PyDict_SetItem(sys_modules, PyModule_GetNameObject(submodule), submodule);
PyModule_AddObject(mod, "utils", (submodule = BPyInit_bmesh_utils()));
PyDict_SetItem(sys_modules, PyModule_GetNameObject(submodule), submodule);
PyModule_AddObject(mod, "geometry", (submodule = BPyInit_bmesh_geometry()));
PyDict_SetItem(sys_modules, PyModule_GetNameObject(submodule), submodule);
return mod;
}
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