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/* bpython library macros
*
* $Id$
*
* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
*
* 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. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
*
*/
/* Hint: use gcc -E file.c to see what these macros are expanded in */
#include "api.h" // temporary defines for API version
#include "BPY_listbase_macro.h"
#include "BKE_utildefines.h"
/* CONSTANTS */
#define IDNAME 24
#define PATH_MAXCHAR 128
/* ALIASES */
#define BPY_TRY(x) {if((!(x))) return NULL;}
#define BPY_TRY_TYPEERROR(x, str) \
{ if(!(x)) { \
PyErr_SetString(PyExc_TypeError, str); \
return NULL; }\
}
#define BPY_ADDCONST(dict, name) PyDict_SetItemString(dict, #name, PyInt_FromLong(name))
#define CurrentFrame (getGlobal()->scene->r.cfra)
#define RETURN_INC(ob) {Py_INCREF(ob); return ob; }
/* Blender object internal 'reference' (user) counting */
/* 'x' must be of type (ID *) */
#ifdef DEBUG
#define BOB_USERCOUNT(x) \
(x)->us
#define BOB_DECUSER(x) \
printf("BOB_DECUSER: %s\n", (x)->name); \
(x)->us ? (x)->us--:printf("FATAL: 0--\n")
#define BOB_INCUSER(x) \
printf("BOB_INCUSER: %s\n", (x)->name); \
id_us_plus(x)
/* safe ref-inc/dec */
#define BOB_XDECUSER(x) \
if (x) { \
printf("BOB_XDECUSER: %s\n", (x)->name); \
((x)->us ? (x)->us--:printf("FATAL: 0--\n")); \
}
#define BOB_XINCUSER(x) \
if (x) { \
printf("BOB_XINCUSER: %s\n", (x)->name); \
if (x) id_us_plus(x); \
}
#else
#define BOB_USERCOUNT(x) \
(x)->us
#define BOB_DECUSER(x) \
(x)->us ? (x)->us--:printf("FATAL: 0--\n")
#define BOB_INCUSER(x) \
id_us_plus(x)
/* safe ref-inc/dec */
#define BOB_XDECUSER(x) \
if (x) ((x)->us ? (x)->us--:printf("FATAL: 0--\n"))
#define BOB_XINCUSER(x) \
if (x) id_us_plus(x)
#endif
/* WARNINGS, Verbose */
#define BPY_CHECKFLAG(x) (getGlobal()->f & x)
#define BPY_DEBUGFLAG BPY_CHECKFLAG(G_DEBUG)
#define BPY_debug(a) if BPY_DEBUGFLAG {printf a; }
#define BPY_warn(a) {printf a; }
/* BLENDER DATABLOCK ACCESS */
/* these are relicts... */
#define GS(a) (*((short *)(a)))
#define STREQ(str, a) ( strcmp((str), (a))==0 )
/** This macro should be used to get the (short) id type of a ID datablock
* structure (Object, Mesh, etc.)
* Usage is dangerous, so use it only if you know what you're doing :-)
* Otherwise, use DataBlock_type() or associated functions (datablock.c)
*/
#define GET_ID_TYPE(x) (GS((x)->name))
/* gets the datablock's ID pointer. be careful with its usage,
* - no typechecking done! */
#define DATABLOCK_ID(x) ( (ID *) ((DataBlock *) x)->data)
/** This defines the Get method plus documentation for use in a
* Method definition list.
* Example:
*
* DATABLOCK_GET(modulename, objectname, listbase.first)
*
* This function, called in Python by:
*
* modulename.Get(name)
*
* returns a Python DataBlock object for the Blender object with name
* 'name'. If 'name' omitted, a list of all the objects in the
* given list (a linked list of ID pointers) is returned
*/
#define DATABLOCK_GET(uname, docname, list) \
static char uname##_get_doc[]= \
"([name]) - Get " #docname "s from Blender\n" \
"\n" \
"[name] The name of the " #docname " to return\n" \
"\n" \
"Returns a list of all " #docname "s if name is not specified"; \
\
static PyObject* uname##_get (PyObject *self, PyObject *args) { \
return py_find_from_list(list, args); \
}
/** This macro defines the creation of new Objects */
#define DATABLOCK_NEW( modprefix, type, callfunc) \
static char modprefix##_New_doc[] = \
"() - returns new " #type " object"; \
\
PyObject *modprefix##_New (PyObject *self, PyObject *args) \
{ \
type *obj; \
char *name = #type; \
BPY_TRY(PyArg_ParseTuple(args, "|s", &name)); \
obj = callfunc; \
return DataBlock_fromData(obj); \
} \
#define DATABLOCK_ASSIGN_IPO(type, prefix) \
static char type##_assignIpo_doc[]= \
"(ipo) - assigns Ipo to object of type " #type ; \
\
static PyObject *type##_assignIpo(PyObject *self, PyObject *args) \
{ \
DataBlock *ipoblock; \
Ipo *ipo; \
type *object = PYBLOCK_AS(type, self); \
\
BPY_TRY(PyArg_ParseTuple(args, "O!", &DataBlock_Type, &ipoblock));\
if (!DataBlock_isType(ipoblock, ID_IP)) { \
PyErr_SetString(PyExc_TypeError, "expects Ipo object"); \
return 0; \
} \
ipo = PYBLOCK_AS_IPO(ipoblock); \
\
if (ipo->blocktype != GET_ID_TYPE((ID *) object)) { \
PyErr_SetString(PyExc_TypeError, \
"Ipo type does not match object type"); \
return 0; \
} \
prefix##_assignIpo(object, ipo); \
\
Py_INCREF(Py_None); \
return Py_None; \
} \
\
static char type##_clrIpo_doc[]= \
"(ipo) - clears Ipo" ; \
\
static PyObject *type##_clrIpo(PyObject *self, PyObject *args) \
{ \
type *object = PYBLOCK_AS(type, self); \
BPY_TRY(PyArg_ParseTuple(args, "")); \
prefix##_assignIpo(object, 0); \
Py_INCREF(Py_None); \
return Py_None; \
}
/** Macro used to define the MethodDef macro which is used again for defining
* module or object methods in the Method table, see e.g. BPY_scene.c
*
* Usage:
* _MethodDef(delete, Scene) expands to:
*
* {"delete", Scene_delete, METH_VARARGS, Scene_delete_doc}
*/
#define _MethodDef(func, prefix) \
{#func, prefix##_##func, METH_VARARGS, prefix##_##func##_doc}
/** Mark the datablock wrapper as invalid. See BPY_text.c for details */
#define MARK_INVALID(datablock) \
((DataBlock *) datablock)->data = NULL
/** Check whether datablock wrapper is valid */
#define CHECK_VALIDDATA(x, msg) \
if (!x) { \
PyErr_SetString(PyExc_RuntimeError, msg); \
return 0; \
} \
/* OBJECT ACCESS */
/** retrieves name from BPYobject */
#define getName(x) ((x)->id.name+2)
#define getUsers(x) ((x)->id.us)
#define getIDName(x) ((x)->name+2)
#define getIDUsers(x) ((x)->us)
#define object_getMaterials(object) (object)->mat
/** rename object with name */
/* ListBase of active object in scene */
#define FirstBase (getGlobal()->scene->base.first)
#define ActiveBase (getGlobal()->scene->basact)
#define ObjectfromBase(base) (base->object)
#define SelectedAndLayer(base) (((base)->flag & SELECT) && ((base)->lay & getGlobal()->vd->lay))
/* Active object (bright pink) */
#define ActiveObject (ActiveBase ? ObjectfromBase(ActiveBase) : NULL)
/* returns 1 if textureface tf is selected/active, else 0 */
#define isSelectedFace(tf) (((tf).flag & TF_SELECT) ? 1 : 0 )
#define isActiveFace(tf) (((tf).flag & TF_ACTIVE) ? 1 : 0 )
/* some conversion macros */
#define PYBLOCK_AS(x, y) (x *) ((DataBlock *) y)->data
#define PYBLOCK_AS_TEXT(x) PYBLOCK_AS(Text, x)
#define PYBLOCK_AS_MATERIAL(x) PYBLOCK_AS(Material, x)
#define PYBLOCK_AS_OBJECT(x) PYBLOCK_AS(Object, x)
#define PYBLOCK_AS_MESH(x) PYBLOCK_AS(Mesh, x)
#define PYBLOCK_AS_LAMP(x) PYBLOCK_AS(Lamp, x)
#define PYBLOCK_AS_IPO(x) PYBLOCK_AS(Ipo, x)
#define PYBLOCK_AS_DATA(x) PYBLOCK_AS(void, x)
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