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bmesh:

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- moved mesh conversion functions into their own file.

bmesh py api:
- can now create a new empty bmesh without first creating mesh data.
- added function to copy bmesh data back to a mesh.
- bmesh.from_mesh() can now get a mesh which isnt in editmode.
This commit is contained in:
Campbell Barton
2012-03-10 20:41:19 +00:00
parent 83a5c943af
commit e09ab8883c
8 changed files with 1039 additions and 849 deletions
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101
source/blender/python/bmesh/bmesh_py_api.c
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@@ -40,13 +40,36 @@
#include "BLI_utildefines.h"
#include "BKE_tessmesh.h"
#include "BKE_depsgraph.h"
#include "DNA_mesh_types.h"
#include "DNA_object_types.h"
#include "../generic/py_capi_utils.h"
#include "bmesh_py_api.h" /* own include */
PyDoc_STRVAR(bpy_bm_new_doc,
".. method:: new()\n"
"\n"
" :return: Retyrn a new, empty mesh.\n"
" :rtype: :class:`BMesh`\n"
);
static PyObject *bpy_bm_new(PyObject *UNUSED(self))
{
BPy_BMesh *py_bmesh;
BMesh *bm;
bm = BM_mesh_create(NULL, &bm_mesh_allocsize_default);
py_bmesh = (BPy_BMesh *)BPy_BMesh_CreatePyObject(bm);
py_bmesh->py_owns = TRUE;
return (PyObject *)py_bmesh;
}
PyDoc_STRVAR(bpy_bm_from_mesh_doc,
".. method:: from_mesh(mesh)\n"
"\n"
@@ -58,26 +81,78 @@ PyDoc_STRVAR(bpy_bm_from_mesh_doc,
static PyObject *bpy_bm_from_mesh(PyObject *UNUSED(self), PyObject *value)
{
BPy_BMesh *py_bmesh;
BMesh *bm;
Mesh *me = PyC_RNA_AsPointer(value, "Mesh");
int py_owns;
if (me) {
/* temp! */
if (!me->edit_btmesh) {
PyErr_SetString(PyExc_ValueError,
"Mesh is not in editmode");
return NULL;
}
return BPy_BMesh_CreatePyObject(me->edit_btmesh->bm);
}
else {
if (me == NULL) {
return NULL;
}
/* temp! */
if (!me->edit_btmesh) {
bm = BM_mesh_create(NULL, &bm_mesh_allocsize_default);
BM_mesh_to_bmesh(bm, me, 0, 0); /* BMESH_TODO add args */
py_owns = TRUE;
}
else {
bm = me->edit_btmesh->bm;
py_owns = FALSE;
}
py_bmesh = (BPy_BMesh *)BPy_BMesh_CreatePyObject(bm);
py_bmesh->py_owns = py_owns;
return (PyObject *)py_bmesh;
}
PyDoc_STRVAR(bpy_bm_to_mesh_doc,
".. method:: to_mesh(mesh, bmesh)\n"
"\n"
" Return a BMesh from this mesh, currently the mesh must already be in editmode.\n"
"\n"
" :return: the BMesh assosiated with this mesh.\n"
" :rtype: :class:`bmesh.types.BMesh`\n"
);
static PyObject *bpy_bm_to_mesh(PyObject *UNUSED(self), PyObject *args)
{
PyObject *py_mesh;
BPy_BMesh *py_bmesh;
Mesh *me;
BMesh *bm;
if (!PyArg_ParseTuple(args, "OO!:to_mesh", &py_mesh, &BPy_BMesh_Type, &py_bmesh) ||
!(me = PyC_RNA_AsPointer(py_mesh, "Mesh")))
{
return NULL;
}
BPY_BM_CHECK_OBJ(py_bmesh);
if (me->edit_btmesh) {
PyErr_Format(PyExc_ValueError,
"to_mesh(): Mesh '%s' is in editmode", me->id.name + 2);
return NULL;
}
bm = py_bmesh->bm;
BM_mesh_from_bmesh(bm, me, FALSE);
/* we could have the user do this but if they forget blender can easy crash
* since the references arrays for the objects derived meshes are now invalid */
DAG_id_tag_update(&me->id, OB_RECALC_DATA);
Py_RETURN_NONE;
}
static struct PyMethodDef BPy_BM_methods[] = {
{"from_mesh", (PyCFunction)bpy_bm_from_mesh, METH_O, bpy_bm_from_mesh_doc},
{NULL, NULL, 0, NULL}
/* THESE NAMES MAY CHANGE! */
{"new", (PyCFunction)bpy_bm_new, METH_NOARGS, bpy_bm_new_doc},
{"from_mesh", (PyCFunction)bpy_bm_from_mesh, METH_O, bpy_bm_from_mesh_doc},
{"to_mesh", (PyCFunction)bpy_bm_to_mesh, METH_VARARGS, bpy_bm_to_mesh_doc},
{NULL, NULL, 0, NULL}
};
PyDoc_STRVAR(BPy_BM_doc,