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/*
* 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) 2012 Blender Foundation.
* All rights reserved.
*/
/** \file
* \ingroup pybmesh
*/
#pragma once
extern PyTypeObject BPy_BMesh_Type;
extern PyTypeObject BPy_BMVert_Type;
extern PyTypeObject BPy_BMEdge_Type;
extern PyTypeObject BPy_BMFace_Type;
extern PyTypeObject BPy_BMLoop_Type;
extern PyTypeObject BPy_BMElemSeq_Type;
extern PyTypeObject BPy_BMVertSeq_Type;
extern PyTypeObject BPy_BMEdgeSeq_Type;
extern PyTypeObject BPy_BMFaceSeq_Type;
extern PyTypeObject BPy_BMLoopSeq_Type;
extern PyTypeObject BPy_BMIter_Type;
#define BPy_BMesh_Check(v) (Py_TYPE(v) == &BPy_BMesh_Type)
#define BPy_BMVert_Check(v) (Py_TYPE(v) == &BPy_BMVert_Type)
#define BPy_BMEdge_Check(v) (Py_TYPE(v) == &BPy_BMEdge_Type)
#define BPy_BMFace_Check(v) (Py_TYPE(v) == &BPy_BMFace_Type)
#define BPy_BMLoop_Check(v) (Py_TYPE(v) == &BPy_BMLoop_Type)
#define BPy_BMElemSeq_Check(v) (Py_TYPE(v) == &BPy_BMElemSeq_Type)
#define BPy_BMVertSeq_Check(v) (Py_TYPE(v) == &BPy_BMVertSeq_Type)
#define BPy_BMEdgeSeq_Check(v) (Py_TYPE(v) == &BPy_BMEdgeSeq_Type)
#define BPy_BMFaceSeq_Check(v) (Py_TYPE(v) == &BPy_BMFaceSeq_Type)
#define BPy_BMLoopSeq_Check(v) (Py_TYPE(v) == &BPy_BMLoopSeq_Type)
#define BPy_BMIter_Check(v) (Py_TYPE(v) == &BPy_BMIter_Type)
/* trick since we know they share a hash function */
#define BPy_BMElem_Check(v) (Py_TYPE(v)->tp_hash == BPy_BMVert_Type.tp_hash)
/* cast from _any_ bmesh type - they all have BMesh first */
typedef struct BPy_BMGeneric {
PyObject_VAR_HEAD
struct BMesh *bm; /* keep first */
} BPy_BMGeneric;
/* BPy_BMVert/BPy_BMEdge/BPy_BMFace/BPy_BMLoop can cast to this */
typedef struct BPy_BMElem {
PyObject_VAR_HEAD
struct BMesh *bm; /* keep first */
struct BMElem *ele;
} BPy_BMElem;
typedef struct BPy_BMesh {
PyObject_VAR_HEAD
struct BMesh *bm; /* keep first */
int flag;
} BPy_BMesh;
/* element types */
typedef struct BPy_BMVert {
PyObject_VAR_HEAD
struct BMesh *bm; /* keep first */
struct BMVert *v;
} BPy_BMVert;
typedef struct BPy_BMEdge {
PyObject_VAR_HEAD
struct BMesh *bm; /* keep first */
struct BMEdge *e;
} BPy_BMEdge;
typedef struct BPy_BMFace {
PyObject_VAR_HEAD
struct BMesh *bm; /* keep first */
struct BMFace *f;
} BPy_BMFace;
typedef struct BPy_BMLoop {
PyObject_VAR_HEAD
struct BMesh *bm; /* keep first */
struct BMLoop *l;
} BPy_BMLoop;
/* iterators */
/* used for ...
* - BPy_BMElemSeq_Type
* - BPy_BMVertSeq_Type
* - BPy_BMEdgeSeq_Type
* - BPy_BMFaceSeq_Type
* - BPy_BMLoopSeq_Type
*/
typedef struct BPy_BMElemSeq {
PyObject_VAR_HEAD
struct BMesh *bm; /* keep first */
/* if this is a sequence on an existing element,
* loops of faces for eg.
* If this variable is set, it will be used */
/* we hold a reference to this.
* check in case the owner becomes invalid on access */
/* TODO: make this a GC'd object!, will function OK without this though. */
BPy_BMElem *py_ele;
/* iterator type */
short itype;
} BPy_BMElemSeq;
typedef struct BPy_BMIter {
PyObject_VAR_HEAD
struct BMesh *bm; /* keep first */
BMIter iter;
} BPy_BMIter;
void BPy_BM_init_types(void);
PyObject *BPyInit_bmesh_types(void);
enum {
BPY_BMFLAG_NOP = 0, /* do nothing */
BPY_BMFLAG_IS_WRAPPED = 1, /* the mesh is owned by editmode */
};
PyObject *BPy_BMesh_CreatePyObject(BMesh *bm, int flag);
PyObject *BPy_BMVert_CreatePyObject(BMesh *bm, BMVert *v);
PyObject *BPy_BMEdge_CreatePyObject(BMesh *bm, BMEdge *e);
PyObject *BPy_BMFace_CreatePyObject(BMesh *bm, BMFace *f);
PyObject *BPy_BMLoop_CreatePyObject(BMesh *bm, BMLoop *l);
PyObject *BPy_BMElemSeq_CreatePyObject(BMesh *bm, BPy_BMElem *py_ele, const char itype);
PyObject *BPy_BMVertSeq_CreatePyObject(BMesh *bm);
PyObject *BPy_BMEdgeSeq_CreatePyObject(BMesh *bm);
PyObject *BPy_BMFaceSeq_CreatePyObject(BMesh *bm);
PyObject *BPy_BMLoopSeq_CreatePyObject(BMesh *bm);
PyObject *BPy_BMIter_CreatePyObject(BMesh *bm);
/** Just checks type and creates vert/edge/face/loop. */
PyObject *BPy_BMElem_CreatePyObject(BMesh *bm, BMHeader *ele);
/**
* Generic python seq as BMVert/Edge/Face array,
* return value must be freed with PyMem_FREE(...);
*
* The 'bm_r' value is assigned when empty, and used when set.
*/
void *BPy_BMElem_PySeq_As_Array_FAST(BMesh **r_bm,
PyObject *seq_fast,
Py_ssize_t min,
Py_ssize_t max,
Py_ssize_t *r_size,
const char htype,
const bool do_unique_check,
const bool do_bm_check,
const char *error_prefix);
void *BPy_BMElem_PySeq_As_Array(BMesh **r_bm,
PyObject *seq,
Py_ssize_t min,
Py_ssize_t max,
Py_ssize_t *r_size,
const char htype,
const bool do_unique_check,
const bool do_bm_check,
const char *error_prefix);
PyObject *BPy_BMElem_Array_As_Tuple(BMesh *bm, BMHeader **elem, Py_ssize_t elem_len);
PyObject *BPy_BMVert_Array_As_Tuple(BMesh *bm, BMVert **elem, Py_ssize_t elem_len);
PyObject *BPy_BMEdge_Array_As_Tuple(BMesh *bm, BMEdge **elem, Py_ssize_t elem_len);
PyObject *BPy_BMFace_Array_As_Tuple(BMesh *bm, BMFace **elem, Py_ssize_t elem_len);
PyObject *BPy_BMLoop_Array_As_Tuple(BMesh *bm, BMLoop **elem, Py_ssize_t elem_len);
int BPy_BMElem_CheckHType(PyTypeObject *type, const char htype);
/**
* Use for error strings only, not thread safe,
*
* \return a string like '(BMVert/BMEdge/BMFace/BMLoop)'
*/
char *BPy_BMElem_StringFromHType_ex(const char htype, char ret[32]);
char *BPy_BMElem_StringFromHType(const char htype);
// void bpy_bm_generic_invalidate(BPy_BMGeneric *self);
int bpy_bm_generic_valid_check(BPy_BMGeneric *self);
int bpy_bm_generic_valid_check_source(BMesh *bm_source,
const char *error_prefix,
void **args,
uint args_tot) ATTR_NONNULL(1, 2);
#define BPY_BM_CHECK_OBJ(obj) \
if (UNLIKELY(bpy_bm_generic_valid_check((BPy_BMGeneric *)obj) == -1)) { \
return NULL; \
} \
(void)0
#define BPY_BM_CHECK_INT(obj) \
if (UNLIKELY(bpy_bm_generic_valid_check((BPy_BMGeneric *)obj) == -1)) { \
return -1; \
} \
(void)0
/**
* Macros like `BPY_BM_CHECK_OBJ/BPY_BM_CHECK_INT` that ensure we're from the right #BMesh.
*/
#define BPY_BM_CHECK_SOURCE_OBJ(bm, errmsg, ...) \
{ \
void *_args[] = {__VA_ARGS__}; \
if (UNLIKELY(bpy_bm_generic_valid_check_source(bm, errmsg, _args, ARRAY_SIZE(_args)) == \
-1)) { \
return NULL; \
} \
} \
(void)0
#define BPY_BM_CHECK_SOURCE_INT(bm, errmsg, ...) \
{ \
void *_args[] = {__VA_ARGS__}; \
if (UNLIKELY(bpy_bm_generic_valid_check_source(bm, errmsg, _args, ARRAY_SIZE(_args)) == \
-1)) { \
return -1; \
} \
} \
(void)0
#define BPY_BM_IS_VALID(obj) (LIKELY((obj)->bm != NULL))
#define BM_ITER_BPY_BM_SEQ(ele, iter, bpy_bmelemseq) \
for (BM_CHECK_TYPE_ELEM_ASSIGN(ele) = BM_iter_new( \
iter, \
(bpy_bmelemseq)->bm, \
(bpy_bmelemseq)->itype, \
(bpy_bmelemseq)->py_ele ? ((BPy_BMElem *)(bpy_bmelemseq)->py_ele)->ele : NULL); \
ele; \
BM_CHECK_TYPE_ELEM_ASSIGN(ele) = BM_iter_step(iter))
#ifdef __PY_CAPI_UTILS_H__
struct PyC_FlagSet;
extern struct PyC_FlagSet bpy_bm_scene_vert_edge_face_flags[];
extern struct PyC_FlagSet bpy_bm_htype_vert_edge_face_flags[];
extern struct PyC_FlagSet bpy_bm_htype_all_flags[];
extern struct PyC_FlagSet bpy_bm_hflag_all_flags[];
#endif
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