814 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			814 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2
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 * of the License, or (at your option) any later version. The Blender
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 * Foundation also sells licenses for use in proprietary software under
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 * the Blender License.  See http://www.blender.org/BL/ for information
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 * about this.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software Foundation,
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 * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
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 *
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 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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 * All rights reserved.
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 *
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 * This is a new part of Blender.
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 *
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 * Contributor(s): Campbell Barton
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 *
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 * ***** END GPL/BL DUAL LICENSE BLOCK *****
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 */
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#include "Group.h" /* This must come first */
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#include "MEM_guardedalloc.h"
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#include "DNA_group_types.h"
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#include "DNA_scene_types.h" /* for Base */
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#include "BKE_mesh.h"
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#include "BKE_library.h"
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#include "BKE_global.h"
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#include "BKE_main.h"
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#include "BKE_scene.h"
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#include "BKE_group.h"
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#include "BLI_blenlib.h"
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#include "blendef.h"
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#include "Object.h"
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#include "gen_utils.h"
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#include "gen_library.h"
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/* checks for the group being removed */
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#define GROUP_DEL_CHECK_PY(bpy_group) if (!(bpy_group->group)) return ( EXPP_ReturnPyObjError( PyExc_RuntimeError, "Group has been removed" ) )
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#define GROUP_DEL_CHECK_INT(bpy_group) if (!(bpy_group->group)) return ( EXPP_ReturnIntError( PyExc_RuntimeError, "Group has been removed" ) )
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/*****************************************************************************/
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/* Python API function prototypes for the Blender module.		 */
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/*****************************************************************************/
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static PyObject *M_Group_New( PyObject * self, PyObject * args );
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PyObject *M_Group_Get( PyObject * self, PyObject * args );
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PyObject *M_Group_Unlink( PyObject * self, BPy_Group * pygrp );
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/* internal */
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static PyObject *GroupObSeq_CreatePyObject( BPy_Group *self, GroupObject *iter );
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/*****************************************************************************/
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/* Python method structure definition for Blender.Object module:	 */
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/*****************************************************************************/
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struct PyMethodDef M_Group_methods[] = {
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	{"New", ( PyCFunction ) M_Group_New, METH_VARARGS,
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	 "(name) Add a new empty group"},
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	{"Get", ( PyCFunction ) M_Group_Get, METH_VARARGS,
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"(name) - return the group with the name 'name',\
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returns None if notfound.\nIf 'name' is not specified, it returns a list of all groups."},
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	{"Unlink", ( PyCFunction ) M_Group_Unlink, METH_O,
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	 "(group) - Unlink (delete) this group from Blender."},
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	{NULL, NULL, 0, NULL}
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};
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/*****************************************************************************/
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/* Python BPy_Group methods table:					   */
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/*****************************************************************************/
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static PyObject *BPy_Group_copy( BPy_Group * self );
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static PyMethodDef BPy_Group_methods[] = {
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	/* name, method, flags, doc */
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	{"__copy__", ( PyCFunction ) BPy_Group_copy, METH_VARARGS,
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	 "() - Return a copy of the group containing the same objects."},
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	{"copy", ( PyCFunction ) BPy_Group_copy, METH_VARARGS,
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	 "() - Return a copy of the group containing the same objects."},
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	{NULL, NULL, 0, NULL}
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};
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static PyObject *BPy_Group_copy( BPy_Group * self )
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{
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	BPy_Group *py_group;	/* for Group Data object wrapper in Python */
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	struct Group *bl_group;
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	GroupObject *group_ob, *group_ob_new; /* Group object, copied and added to the groups */
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	GROUP_DEL_CHECK_PY(self);
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	bl_group= add_group( self->group->id.name + 2 );
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	if( bl_group )		/* now create the wrapper grp in Python */
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		py_group = ( BPy_Group * ) Group_CreatePyObject( bl_group );
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	else
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		return ( EXPP_ReturnPyObjError( PyExc_RuntimeError,
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						"couldn't create Group Data in Blender" ) );
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	bl_group->id.us = 1;
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	/* Now add the objects to the group */
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	group_ob= self->group->gobject.first;
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	while(group_ob) {
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		/* save time by not using */
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		group_ob_new= MEM_callocN(sizeof(GroupObject), "groupobject");
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		group_ob_new->ob= group_ob->ob;
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		BLI_addtail( &bl_group->gobject, group_ob_new);
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		group_ob= group_ob->next;
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	}
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	return ( PyObject * ) py_group;
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}
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/************************************************************************
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 *
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 * Python BPy_Object attributes
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 *
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 ************************************************************************/
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static PyObject *Group_getObjects( BPy_Group * self )
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{
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	return GroupObSeq_CreatePyObject(self, NULL);
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}
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static void add_to_group_wraper(Group *group, Object *ob) {
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	Base *base;
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	add_to_group(group, ob);
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	if (!(ob->flag & OB_FROMGROUP)) { /* do this to avoid a listbase lookup */
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		ob->flag |= OB_FROMGROUP;
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		base= object_in_scene(ob, G.scene);
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		if (base)
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			base->flag |= OB_FROMGROUP;
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	}
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}
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/* only for internal use Blender.Group.Get("MyGroup").objects= []*/
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static int Group_setObjects( BPy_Group * self, PyObject * args )
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{
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	int i, list_size;
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	Group *group;
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	Object *blen_ob;
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	group= self->group;
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	GROUP_DEL_CHECK_INT(self);
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	if( PyList_Check( args ) ) {
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		if( EXPP_check_sequence_consistency( args, &Object_Type ) != 1)
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			return ( EXPP_ReturnIntError( PyExc_TypeError, 
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					"expected a list of objects" ) );
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		/* remove all from the list and add the new items */
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		free_group(group); /* unlink all objects from this group, keep the group */
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		list_size= PyList_Size( args );
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		for( i = 0; i < list_size; i++ ) {
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			blen_ob= ((BPy_Object *)PyList_GET_ITEM( args, i ))->object;
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			add_to_group_wraper(group, blen_ob);
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		}
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	} else if (PyIter_Check(args)) {
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		PyObject *iterator = PyObject_GetIter(args);
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		PyObject *item;
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		if (iterator == NULL) {
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			Py_DECREF(iterator);
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			return EXPP_ReturnIntError( PyExc_TypeError, 
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			"expected a list of objects, This iterator cannot be used." );
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		}
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		free_group(group); /* unlink all objects from this group, keep the group */
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		item = PyIter_Next(iterator);
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		while (item) {
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			if ( PyObject_TypeCheck(item, &Object_Type) ) {
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				blen_ob= ((BPy_Object *)item)->object;
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				add_to_group_wraper(group, blen_ob);
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			}
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			Py_DECREF(item);
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			item = PyIter_Next(iterator);
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		}
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		Py_DECREF(iterator);
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		if (PyErr_Occurred()) {
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			return EXPP_ReturnIntError( PyExc_RuntimeError, 
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			"An unknown error occured while adding iterator objects to the group.\nThe group has been modified." );
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		}
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	} else
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		return EXPP_ReturnIntError( PyExc_TypeError, 
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				"expected a list or sequence of objects" );
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	return 0;
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}
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/*****************************************************************************/
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/* PythonTypeObject callback function prototypes			 */
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/*****************************************************************************/
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static PyObject *Group_repr( BPy_Group * obj );
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static int Group_compare( BPy_Group * a, BPy_Group * b );
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/*****************************************************************************/
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/* Python BPy_Group getsetattr funcs:                                        */
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/*****************************************************************************/
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static int Group_setLayers( BPy_Group * self, PyObject * value )
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{
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	unsigned int laymask = 0;
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	GROUP_DEL_CHECK_INT(self);
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	if( !PyInt_Check( value ) )
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		return EXPP_ReturnIntError( PyExc_TypeError,
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			"expected an integer (bitmask) as argument" );
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	laymask = ( unsigned int )PyInt_AS_LONG( value );
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	if( laymask <= 0 )
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		return EXPP_ReturnIntError( PyExc_ValueError,
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					      "layer value cannot be zero or below" );
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	self->group->layer= laymask & ((1<<20) - 1);
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	return 0;
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}
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static PyObject *Group_getLayers( BPy_Group * self )
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{
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	return PyInt_FromLong( self->group->layer );
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}
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/*****************************************************************************/
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/* Python attributes get/set structure:                                      */
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/*****************************************************************************/
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static PyGetSetDef BPy_Group_getseters[] = {
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	GENERIC_LIB_GETSETATTR,
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	{"layers",
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	 (getter)Group_getLayers, (setter)Group_setLayers,
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	 "layer mask for this group",
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	 NULL},
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	{"objects",
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	 (getter)Group_getObjects, (setter)Group_setObjects,
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	 "objects in this group",
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	 NULL},
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	{NULL,NULL,NULL,NULL,NULL}  /* Sentinel */
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};
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/*****************************************************************************/
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/* Python TypeGroup structure definition:                                     */
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/*****************************************************************************/
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PyTypeObject Group_Type = {
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	PyObject_HEAD_INIT( NULL )  /* required py macro */
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	0,                          /* ob_size */
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	/*  For printing, in format "<module>.<name>" */
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	"Blender Group",             /* char *tp_name; */
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	sizeof( BPy_Group ),         /* int tp_basicsize; */
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	0,                          /* tp_itemsize;  For allocation */
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	/* Methods to implement standard operations */
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	NULL,						/* destructor tp_dealloc; */
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	NULL,                       /* printfunc tp_print; */
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	NULL,                       /* getattrfunc tp_getattr; */
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	NULL,                       /* setattrfunc tp_setattr; */
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	( cmpfunc ) Group_compare,   /* cmpfunc tp_compare; */
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	( reprfunc ) Group_repr,     /* reprfunc tp_repr; */
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	/* Method suites for standard classes */
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	NULL,                       /* PyNumberMethods *tp_as_number; */
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	NULL,                       /* PySequenceMethods *tp_as_sequence; */
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	NULL,                       /* PyMappingMethods *tp_as_mapping; */
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	/* More standard operations (here for binary compatibility) */
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	( hashfunc ) GenericLib_hash,	/* hashfunc tp_hash; */
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	NULL,                       /* ternaryfunc tp_call; */
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	NULL,                       /* reprfunc tp_str; */
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	NULL,                       /* getattrofunc tp_getattro; */
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	NULL,                       /* setattrofunc tp_setattro; */
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	/* Functions to access object as input/output buffer */
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	NULL,                       /* PyBufferProcs *tp_as_buffer; */
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  /*** Flags to define presence of optional/expanded features ***/
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	Py_TPFLAGS_DEFAULT,         /* long tp_flags; */
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	NULL,                       /*  char *tp_doc;  Documentation string */
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  /*** Assigned meaning in release 2.0 ***/
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	/* call function for all accessible objects */
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	NULL,                       /* traverseproc tp_traverse; */
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	/* delete references to contained objects */
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	NULL,                       /* inquiry tp_clear; */
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  /***  Assigned meaning in release 2.1 ***/
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  /*** rich comparisons ***/
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	NULL,                       /* richcmpfunc tp_richcompare; */
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  /***  weak reference enabler ***/
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	0,                          /* long tp_weaklistoffset; */
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  /*** Added in release 2.2 ***/
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	/*   Iterators */
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	NULL,                       /* getiterfunc tp_iter; */
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	NULL,                       /* iternextfunc tp_iternext; */
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  /*** Attribute descriptor and subclassing stuff ***/
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	BPy_Group_methods,           /* struct PyMethodDef *tp_methods; */
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	NULL,                       /* struct PyMemberDef *tp_members; */
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	BPy_Group_getseters,         /* struct PyGetSetDef *tp_getset; */
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	NULL,                       /* struct _typeobject *tp_base; */
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	NULL,                       /* PyObject *tp_dict; */
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	NULL,                       /* descrgetfunc tp_descr_get; */
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	NULL,                       /* descrsetfunc tp_descr_set; */
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	0,                          /* long tp_dictoffset; */
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	NULL,                       /* initproc tp_init; */
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	NULL,                       /* allocfunc tp_alloc; */
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	NULL,                       /* newfunc tp_new; */
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	/*  Low-level free-memory routine */
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	NULL,                       /* freefunc tp_free;  */
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	/* For PyObject_IS_GC */
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	NULL,                       /* inquiry tp_is_gc;  */
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	NULL,                       /* PyObject *tp_bases; */
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	/* method resolution order */
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	NULL,                       /* PyObject *tp_mro;  */
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	NULL,                       /* PyObject *tp_cache; */
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	NULL,                       /* PyObject *tp_subclasses; */
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	NULL,                       /* PyObject *tp_weaklist; */
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	NULL
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};
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/*****************************************************************************/
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/* Function:			  M_Group_New				 */
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/* Python equivalent:	  Blender.Group.New				 */
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/*****************************************************************************/
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PyObject *M_Group_New( PyObject * self, PyObject * args )
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{
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	char *name = "Group";
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	BPy_Group *py_group;	/* for Group Data object wrapper in Python */
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	struct Group *bl_group;
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	if( !PyArg_ParseTuple( args, "|s", &name ) )
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		return EXPP_ReturnPyObjError( PyExc_TypeError,
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				"string expected as argument or nothing" );
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	bl_group= add_group( name );
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	if( bl_group )		/* now create the wrapper grp in Python */
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		py_group = ( BPy_Group * ) Group_CreatePyObject( bl_group );
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	else
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		return ( EXPP_ReturnPyObjError( PyExc_RuntimeError,
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						"couldn't create Group Data in Blender" ) );
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	bl_group->id.us = 1;
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	return ( PyObject * ) py_group;
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}
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/*****************************************************************************/
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/* Function:	  M_Group_Get						*/
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/* Python equivalent:	  Blender.Group.Get				*/
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/*****************************************************************************/
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PyObject *M_Group_Get( PyObject * self, PyObject * args )
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{
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	char *name = NULL;
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	Group *group_iter;
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	if( !PyArg_ParseTuple( args, "|s", &name ) )
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		return ( EXPP_ReturnPyObjError( PyExc_TypeError,
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						"expected string argument (or nothing)" ) );
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	group_iter = G.main->group.first;
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	if( name ) {		/* (name) - Search group by name */
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		BPy_Group *wanted_group = NULL;
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		while( ( group_iter ) && ( wanted_group == NULL ) ) {
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			if( strcmp( name, group_iter->id.name + 2 ) == 0 )
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				wanted_group =
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					( BPy_Group * )
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					Group_CreatePyObject( group_iter );
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			group_iter = group_iter->id.next;
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		}
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		if( wanted_group == NULL ) { /* Requested group doesn't exist */
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			char error_msg[64];
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			PyOS_snprintf( error_msg, sizeof( error_msg ),
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				       "Group \"%s\" not found", name );
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			return ( EXPP_ReturnPyObjError
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				 ( PyExc_NameError, error_msg ) );
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		}
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		return ( PyObject * ) wanted_group;
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	}
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	else {		/* () - return a list of all groups in the scene */
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		int index = 0;
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		PyObject *grouplist, *pyobj;
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		grouplist = PyList_New( BLI_countlist( &( G.main->group ) ) );
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		if( grouplist == NULL )
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			return ( EXPP_ReturnPyObjError( PyExc_MemoryError,
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							"couldn't create group list" ) );
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		while( group_iter ) {
 | 
						|
			pyobj = Group_CreatePyObject( group_iter );
 | 
						|
 | 
						|
			if( !pyobj ) {
 | 
						|
				Py_DECREF(grouplist);
 | 
						|
				return ( EXPP_ReturnPyObjError
 | 
						|
					 ( PyExc_MemoryError,
 | 
						|
					   "couldn't create Object" ) );
 | 
						|
			}
 | 
						|
			PyList_SET_ITEM( grouplist, index, pyobj );
 | 
						|
 | 
						|
			group_iter = group_iter->id.next;
 | 
						|
			index++;
 | 
						|
		}
 | 
						|
 | 
						|
		return grouplist;
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/*****************************************************************************/
 | 
						|
/* Function:	  M_Group_Unlink						*/
 | 
						|
/* Python equivalent:	  Blender.Group.Unlink				*/
 | 
						|
/*****************************************************************************/
 | 
						|
PyObject *M_Group_Unlink( PyObject * self, BPy_Group * pygrp )
 | 
						|
{
 | 
						|
	Group *group;
 | 
						|
	if( !BPy_Group_Check(pygrp) )
 | 
						|
		return ( EXPP_ReturnPyObjError( PyExc_TypeError,
 | 
						|
						"expected a group" ) );
 | 
						|
	
 | 
						|
	GROUP_DEL_CHECK_PY(pygrp);
 | 
						|
	
 | 
						|
	group= pygrp->group;
 | 
						|
	
 | 
						|
	pygrp->group= NULL;
 | 
						|
	free_group(group);
 | 
						|
	unlink_group(group);
 | 
						|
	group->id.us= 0;
 | 
						|
	free_libblock( &G.main->group, group );
 | 
						|
	Py_RETURN_NONE;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/*****************************************************************************/
 | 
						|
/* Function:	 initObject						*/
 | 
						|
/*****************************************************************************/
 | 
						|
PyObject *Group_Init( void )
 | 
						|
{
 | 
						|
	PyObject *submodule;
 | 
						|
	if( PyType_Ready( &Group_Type ) < 0 )
 | 
						|
		return NULL;
 | 
						|
	if( PyType_Ready( &GroupObSeq_Type ) < 0 )
 | 
						|
		return NULL;
 | 
						|
	
 | 
						|
	submodule = Py_InitModule3( "Blender.Group", M_Group_methods,
 | 
						|
				 "The Blender Group module\n\n\
 | 
						|
This module provides access to **Group Data** in Blender.\n" );
 | 
						|
 | 
						|
	/*Add SUBMODULES to the module*/
 | 
						|
	/*PyDict_SetItemString(dict, "Constraint", Constraint_Init()); //creates a *new* module*/
 | 
						|
	return submodule;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/*****************************************************************************/
 | 
						|
/* Function:	Group_CreatePyObject					 */
 | 
						|
/* Description: This function will create a new BlenObject from an existing  */
 | 
						|
/*		Object structure.					 */
 | 
						|
/*****************************************************************************/
 | 
						|
PyObject *Group_CreatePyObject( struct Group * grp )
 | 
						|
{
 | 
						|
	BPy_Group *pygrp;
 | 
						|
 | 
						|
	if( !grp )
 | 
						|
		Py_RETURN_NONE;
 | 
						|
 | 
						|
	pygrp =
 | 
						|
		( BPy_Group * ) PyObject_NEW( BPy_Group, &Group_Type );
 | 
						|
 | 
						|
	if( pygrp == NULL ) {
 | 
						|
		return ( NULL );
 | 
						|
	}
 | 
						|
	pygrp->group = grp;
 | 
						|
	return ( ( PyObject * ) pygrp );
 | 
						|
}
 | 
						|
 | 
						|
/*****************************************************************************/
 | 
						|
/* Function:	Group_FromPyObject					 */
 | 
						|
/* Description: This function returns the Blender group from the given	 */
 | 
						|
/*		PyObject.						 */
 | 
						|
/*****************************************************************************/
 | 
						|
Group *Group_FromPyObject( PyObject * py_grp )
 | 
						|
{
 | 
						|
	BPy_Group *blen_grp;
 | 
						|
 | 
						|
	blen_grp = ( BPy_Group * ) py_grp;
 | 
						|
	return ( blen_grp->group );
 | 
						|
}
 | 
						|
 | 
						|
/*****************************************************************************/
 | 
						|
/* Function:	Group_compare						 */
 | 
						|
/* Description: This is a callback function for the BPy_Group type. It	 */
 | 
						|
/*		compares two Group_Type objects. Only the "==" and "!="  */
 | 
						|
/*		comparisons are meaninful. Returns 0 for equality and -1 if  */
 | 
						|
/*		they don't point to the same Blender Object struct.	 */
 | 
						|
/*		In Python it becomes 1 if they are equal, 0 otherwise.	 */
 | 
						|
/*****************************************************************************/
 | 
						|
static int Group_compare( BPy_Group * a, BPy_Group * b )
 | 
						|
{
 | 
						|
	Group *pa = a->group, *pb = b->group;
 | 
						|
	return ( pa == pb ) ? 0 : -1;
 | 
						|
}
 | 
						|
 | 
						|
/*****************************************************************************/
 | 
						|
/* Function:	Group_repr						 */
 | 
						|
/* Description: This is a callback function for the BPy_Group type. It	 */
 | 
						|
/*		builds a meaninful string to represent object objects.	 */
 | 
						|
/*****************************************************************************/
 | 
						|
static PyObject *Group_repr( BPy_Group * self )
 | 
						|
{
 | 
						|
	if (!self->group)
 | 
						|
		return PyString_FromString( "[Group - Removed]" );
 | 
						|
	
 | 
						|
	return PyString_FromFormat( "[Group \"%s\"]",
 | 
						|
				    self->group->id.name + 2 );
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/************************************************************************
 | 
						|
 *
 | 
						|
 * GroupOb sequence 
 | 
						|
 *
 | 
						|
 ************************************************************************/
 | 
						|
/*
 | 
						|
 * create a thin GroupOb object
 | 
						|
 */
 | 
						|
 | 
						|
static PyObject *GroupObSeq_CreatePyObject( BPy_Group *self, GroupObject *iter )
 | 
						|
{
 | 
						|
	BPy_GroupObSeq *seq = PyObject_NEW( BPy_GroupObSeq, &GroupObSeq_Type);
 | 
						|
	seq->bpygroup = self; Py_INCREF(self);
 | 
						|
	seq->iter= iter;
 | 
						|
	return (PyObject *)seq;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
static int GroupObSeq_len( BPy_GroupObSeq * self )
 | 
						|
{
 | 
						|
	GROUP_DEL_CHECK_INT(self->bpygroup);
 | 
						|
	return BLI_countlist( &( self->bpygroup->group->gobject ) );
 | 
						|
}
 | 
						|
 | 
						|
/*
 | 
						|
 * retrive a single GroupOb from somewhere in the GroupObex list
 | 
						|
 */
 | 
						|
 | 
						|
static PyObject *GroupObSeq_item( BPy_GroupObSeq * self, int i )
 | 
						|
{
 | 
						|
	Group *group= self->bpygroup->group;
 | 
						|
	int index=0;
 | 
						|
	PyObject *bpy_obj;
 | 
						|
	GroupObject *gob;
 | 
						|
	
 | 
						|
	GROUP_DEL_CHECK_PY(self->bpygroup);
 | 
						|
	
 | 
						|
	for (gob= group->gobject.first; gob && i!=index; gob= gob->next, index++) {}
 | 
						|
	
 | 
						|
	if (!(gob))
 | 
						|
		return EXPP_ReturnPyObjError( PyExc_IndexError,
 | 
						|
					      "array index out of range" );
 | 
						|
	
 | 
						|
	bpy_obj = Object_CreatePyObject( gob->ob );
 | 
						|
 | 
						|
	if( !bpy_obj )
 | 
						|
		return EXPP_ReturnPyObjError( PyExc_RuntimeError,
 | 
						|
				"PyObject_New() failed" );
 | 
						|
 | 
						|
	return (PyObject *)bpy_obj;
 | 
						|
	
 | 
						|
}
 | 
						|
 | 
						|
static PySequenceMethods GroupObSeq_as_sequence = {
 | 
						|
	( inquiry ) GroupObSeq_len,	/* sq_length */
 | 
						|
	( binaryfunc ) 0,	/* sq_concat */
 | 
						|
	( intargfunc ) 0,	/* sq_repeat */
 | 
						|
	( intargfunc ) GroupObSeq_item,	/* sq_item */
 | 
						|
	( intintargfunc ) 0,	/* sq_slice */
 | 
						|
	( intobjargproc ) 0,	/* sq_ass_item */
 | 
						|
	( intintobjargproc ) 0,	/* sq_ass_slice */
 | 
						|
	0,0,0,
 | 
						|
};
 | 
						|
 | 
						|
/************************************************************************
 | 
						|
 *
 | 
						|
 * Python GroupObSeq_Type iterator (iterates over GroupObjects)
 | 
						|
 *
 | 
						|
 ************************************************************************/
 | 
						|
 | 
						|
/*
 | 
						|
 * Initialize the interator index
 | 
						|
 */
 | 
						|
 | 
						|
static PyObject *GroupObSeq_getIter( BPy_GroupObSeq * self )
 | 
						|
{
 | 
						|
	GROUP_DEL_CHECK_PY(self->bpygroup);
 | 
						|
	
 | 
						|
	if (!self->iter) {
 | 
						|
		self->iter = self->bpygroup->group->gobject.first;
 | 
						|
		return EXPP_incr_ret ( (PyObject *) self );
 | 
						|
	} else {
 | 
						|
		return GroupObSeq_CreatePyObject(self->bpygroup, self->bpygroup->group->gobject.first);
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
/*
 | 
						|
 * Return next GroupOb.
 | 
						|
 */
 | 
						|
 | 
						|
static PyObject *GroupObSeq_nextIter( BPy_GroupObSeq * self )
 | 
						|
{
 | 
						|
	PyObject *object;
 | 
						|
	if( !(self->iter) ||  !(self->bpygroup->group) ) {
 | 
						|
		self->iter = NULL; /* so we can add objects again */
 | 
						|
		return EXPP_ReturnPyObjError( PyExc_StopIteration,
 | 
						|
				"iterator at end" );
 | 
						|
	}
 | 
						|
	
 | 
						|
	object= Object_CreatePyObject( self->iter->ob ); 
 | 
						|
	self->iter= self->iter->next;
 | 
						|
	return object;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
static PyObject *GroupObSeq_link( BPy_GroupObSeq * self, BPy_Object *value )
 | 
						|
{
 | 
						|
	Object *blen_ob;
 | 
						|
	
 | 
						|
	GROUP_DEL_CHECK_PY(self->bpygroup);
 | 
						|
	
 | 
						|
	if( !BPy_Object_Check(value) )
 | 
						|
		return ( EXPP_ReturnPyObjError( PyExc_TypeError,
 | 
						|
				"expected a python object as an argument" ) );
 | 
						|
	
 | 
						|
	/*
 | 
						|
	if (self->iter != NULL)
 | 
						|
		return EXPP_ReturnPyObjError( PyExc_RuntimeError,
 | 
						|
					      "Cannot modify group objects while iterating" );
 | 
						|
	*/
 | 
						|
	
 | 
						|
	blen_ob = value->object;
 | 
						|
	
 | 
						|
	add_to_group_wraper(self->bpygroup->group, blen_ob); /* this checks so as not to add the object into the group twice*/
 | 
						|
	
 | 
						|
	Py_RETURN_NONE;
 | 
						|
}
 | 
						|
 | 
						|
static PyObject *GroupObSeq_unlink( BPy_GroupObSeq * self, BPy_Object *value )
 | 
						|
{
 | 
						|
	Object *blen_ob;
 | 
						|
	Base *base= NULL;
 | 
						|
	
 | 
						|
	GROUP_DEL_CHECK_PY(self->bpygroup);
 | 
						|
	
 | 
						|
	if( !BPy_Object_Check(value) )
 | 
						|
		return ( EXPP_ReturnPyObjError( PyExc_TypeError,
 | 
						|
				"expected a python object as an argument" ) );
 | 
						|
	
 | 
						|
	blen_ob = value->object;
 | 
						|
	
 | 
						|
 | 
						|
	
 | 
						|
	rem_from_group(self->bpygroup->group, blen_ob);
 | 
						|
	
 | 
						|
	if(find_group(blen_ob)==NULL) {
 | 
						|
		blen_ob->flag &= ~OB_FROMGROUP;
 | 
						|
		
 | 
						|
		base= object_in_scene(blen_ob, G.scene);
 | 
						|
		if (base)
 | 
						|
			base->flag &= ~OB_FROMGROUP;
 | 
						|
	}
 | 
						|
	Py_RETURN_NONE;
 | 
						|
}
 | 
						|
 | 
						|
static struct PyMethodDef BPy_GroupObSeq_methods[] = {
 | 
						|
	{"link", (PyCFunction)GroupObSeq_link, METH_O,
 | 
						|
		"make the object a part of this group"},
 | 
						|
	{"unlink", (PyCFunction)GroupObSeq_unlink, METH_O,
 | 
						|
		"unlink an object from this group"},
 | 
						|
	{NULL, NULL, 0, NULL}	
 | 
						|
};
 | 
						|
 | 
						|
/************************************************************************
 | 
						|
 *
 | 
						|
 * Python GroupObSeq_Type standard operations
 | 
						|
 *
 | 
						|
 ************************************************************************/
 | 
						|
 | 
						|
static void GroupObSeq_dealloc( BPy_GroupObSeq * self )
 | 
						|
{
 | 
						|
	Py_DECREF(self->bpygroup);
 | 
						|
	PyObject_DEL( self );
 | 
						|
}
 | 
						|
 | 
						|
/*****************************************************************************/
 | 
						|
/* Python GroupObSeq_Type structure definition:                               */
 | 
						|
/*****************************************************************************/
 | 
						|
PyTypeObject GroupObSeq_Type = {
 | 
						|
	PyObject_HEAD_INIT( NULL )  /* required py macro */
 | 
						|
	0,                          /* ob_size */
 | 
						|
	/*  For printing, in format "<module>.<name>" */
 | 
						|
	"Blender GroupObSeq",           /* char *tp_name; */
 | 
						|
	sizeof( BPy_GroupObSeq ),       /* int tp_basicsize; */
 | 
						|
	0,                          /* tp_itemsize;  For allocation */
 | 
						|
 | 
						|
	/* Methods to implement standard operations */
 | 
						|
 | 
						|
	( destructor ) GroupObSeq_dealloc,/* destructor tp_dealloc; */
 | 
						|
	NULL,                       /* printfunc tp_print; */
 | 
						|
	NULL,                       /* getattrfunc tp_getattr; */
 | 
						|
	NULL,                       /* setattrfunc tp_setattr; */
 | 
						|
	NULL,                       /* cmpfunc tp_compare; */
 | 
						|
	NULL,                       /* reprfunc tp_repr; */
 | 
						|
 | 
						|
	/* Method suites for standard classes */
 | 
						|
 | 
						|
	NULL,                       /* PyNumberMethods *tp_as_number; */
 | 
						|
	&GroupObSeq_as_sequence,	    /* PySequenceMethods *tp_as_sequence; */
 | 
						|
	NULL,                       /* PyMappingMethods *tp_as_mapping; */
 | 
						|
 | 
						|
	/* More standard operations (here for binary compatibility) */
 | 
						|
 | 
						|
	NULL,                       /* hashfunc tp_hash; */
 | 
						|
	NULL,                       /* ternaryfunc tp_call; */
 | 
						|
	NULL,                       /* reprfunc tp_str; */
 | 
						|
	NULL,                       /* getattrofunc tp_getattro; */
 | 
						|
	NULL,                       /* setattrofunc tp_setattro; */
 | 
						|
 | 
						|
	/* Functions to access object as input/output buffer */
 | 
						|
	NULL,                       /* PyBufferProcs *tp_as_buffer; */
 | 
						|
 | 
						|
  /*** Flags to define presence of optional/expanded features ***/
 | 
						|
	Py_TPFLAGS_DEFAULT,         /* long tp_flags; */
 | 
						|
 | 
						|
	NULL,                       /*  char *tp_doc;  Documentation string */
 | 
						|
  /*** Assigned meaning in release 2.0 ***/
 | 
						|
	/* call function for all accessible objects */
 | 
						|
	NULL,                       /* traverseproc tp_traverse; */
 | 
						|
 | 
						|
	/* delete references to contained objects */
 | 
						|
	NULL,                       /* inquiry tp_clear; */
 | 
						|
 | 
						|
  /***  Assigned meaning in release 2.1 ***/
 | 
						|
  /*** rich comparisons ***/
 | 
						|
	NULL,                       /* richcmpfunc tp_richcompare; */
 | 
						|
 | 
						|
  /***  weak reference enabler ***/
 | 
						|
	0,                          /* long tp_weaklistoffset; */
 | 
						|
 | 
						|
  /*** Added in release 2.2 ***/
 | 
						|
	/*   Iterators */
 | 
						|
	( getiterfunc) GroupObSeq_getIter, /* getiterfunc tp_iter; */
 | 
						|
	( iternextfunc ) GroupObSeq_nextIter, /* iternextfunc tp_iternext; */
 | 
						|
 | 
						|
  /*** Attribute descriptor and subclassing stuff ***/
 | 
						|
	BPy_GroupObSeq_methods,       /* struct PyMethodDef *tp_methods; */
 | 
						|
	NULL,                       /* struct PyMemberDef *tp_members; */
 | 
						|
	NULL,                       /* struct PyGetSetDef *tp_getset; */
 | 
						|
	NULL,                       /* struct _typeobject *tp_base; */
 | 
						|
	NULL,                       /* PyObject *tp_dict; */
 | 
						|
	NULL,                       /* descrgetfunc tp_descr_get; */
 | 
						|
	NULL,                       /* descrsetfunc tp_descr_set; */
 | 
						|
	0,                          /* long tp_dictoffset; */
 | 
						|
	NULL,                       /* initproc tp_init; */
 | 
						|
	NULL,                       /* allocfunc tp_alloc; */
 | 
						|
	NULL,                       /* newfunc tp_new; */
 | 
						|
	/*  Low-level free-memory routine */
 | 
						|
	NULL,                       /* freefunc tp_free;  */
 | 
						|
	/* For PyObject_IS_GC */
 | 
						|
	NULL,                       /* inquiry tp_is_gc;  */
 | 
						|
	NULL,                       /* PyObject *tp_bases; */
 | 
						|
	/* method resolution order */
 | 
						|
	NULL,                       /* PyObject *tp_mro;  */
 | 
						|
	NULL,                       /* PyObject *tp_cache; */
 | 
						|
	NULL,                       /* PyObject *tp_subclasses; */
 | 
						|
	NULL,                       /* PyObject *tp_weaklist; */
 | 
						|
	NULL
 | 
						|
};
 |