817 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			817 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
| #include "Group.h" /* This must come first */
 | |
| 
 | |
| #include "DNA_group_types.h"
 | |
| #include "DNA_scene_types.h" /* for Base */
 | |
| 
 | |
| #include "BKE_mesh.h"
 | |
| #include "BKE_library.h"
 | |
| #include "BKE_global.h"
 | |
| #include "BKE_main.h"
 | |
| #include "BKE_scene.h"
 | |
| #include "BKE_group.h"
 | |
| 
 | |
| #include "BLI_blenlib.h"
 | |
| 
 | |
| #include "blendef.h"
 | |
| #include "Object.h"
 | |
| #include "gen_utils.h"
 | |
| 
 | |
| 
 | |
| /*****************************************************************************/
 | |
| /* Python API function prototypes for the Blender module.		 */
 | |
| /*****************************************************************************/
 | |
| static PyObject *M_Group_New( PyObject * self, PyObject * args );
 | |
| PyObject *M_Group_Get( PyObject * self, PyObject * args );
 | |
| PyObject *M_Group_Unlink( PyObject * self, PyObject * args );
 | |
| 
 | |
| /*****************************************************************************/
 | |
| /* The following string definitions are used for documentation strings.	 */
 | |
| /* In Python these will be written to the console when doing a		 */
 | |
| /* Blender.Group.__doc__						 */
 | |
| /*****************************************************************************/
 | |
| char M_Group_doc[] = "The Blender Group module\n\n\
 | |
| This module provides access to **Group Data** in Blender.\n";
 | |
| 
 | |
| char M_Group_New_doc[] =
 | |
| 	"(name) Add a new empty group";
 | |
| 
 | |
| char M_Group_Get_doc[] =
 | |
| 	"(name) - return the group with the name 'name', returns None if not\
 | |
| 	found.\n\
 | |
| 	If 'name' is not specified, it returns a list of all groups.";
 | |
| 	
 | |
| char M_Group_Unlink_doc[] =
 | |
| "(group) - Unlink (delete) this group from Blender.";
 | |
| 
 | |
| /*****************************************************************************/
 | |
| /* Python method structure definition for Blender.Object module:	 */
 | |
| /*****************************************************************************/
 | |
| struct PyMethodDef M_Group_methods[] = {
 | |
| 	{"New", ( PyCFunction ) M_Group_New, METH_VARARGS,
 | |
| 	 M_Group_New_doc},
 | |
| 	{"Get", ( PyCFunction ) M_Group_Get, METH_VARARGS,
 | |
| 	 M_Group_Get_doc},
 | |
| 	{"Unlink", ( PyCFunction ) M_Group_Unlink, METH_VARARGS,
 | |
| 	 M_Group_Unlink_doc},
 | |
| 	{NULL, NULL, 0, NULL}
 | |
| };
 | |
| 
 | |
| /*****************************************************************************/
 | |
| /* Python BPy_Group methods table:					   */
 | |
| /*****************************************************************************/
 | |
| static PyMethodDef BPy_Group_methods[] = {
 | |
| 	/* name, method, flags, doc */
 | |
| 	{NULL, NULL, 0, NULL}
 | |
| };
 | |
| 
 | |
| 
 | |
| /************************************************************************
 | |
|  *
 | |
|  * Python BPy_Object attributes
 | |
|  *
 | |
|  ************************************************************************/
 | |
| static PyObject *M_Group_getObjects( BPy_Group * self )
 | |
| {
 | |
| 	BPy_MGroupObSeq *seq = PyObject_NEW( BPy_MGroupObSeq, &MGroupObSeq_Type);
 | |
| 	seq->bpygroup = self; Py_INCREF(self);
 | |
| 	return (PyObject *)seq;
 | |
| }
 | |
| 
 | |
| 
 | |
| static void add_to_group_wraper(Group *group, Object *ob) {
 | |
| 	Base *base;
 | |
| 	add_to_group(group, ob);
 | |
| 	
 | |
| 	if (!(ob->flag & OB_FROMGROUP)) { /* do this to avoid a listbase lookup */
 | |
| 		ob->flag |= OB_FROMGROUP;
 | |
| 		
 | |
| 		base= object_in_scene(ob, G.scene);
 | |
| 		if (base)
 | |
| 			base->flag |= OB_FROMGROUP;
 | |
| 	}
 | |
| }
 | |
| 
 | |
| /* only for internal use Blender.Group.Get("MyGroup").objects= []*/
 | |
| static int M_Group_setObjects( BPy_Group * self, PyObject * args )
 | |
| {
 | |
| 	int i, list_size;
 | |
| 	Group *group;
 | |
| 	Object *blen_ob;
 | |
| 	group= self->group;
 | |
| 	
 | |
| 	if( PyList_Check( args ) ) {
 | |
| 		if( EXPP_check_sequence_consistency( args, &Object_Type ) != 1)
 | |
| 			return ( EXPP_ReturnIntError( PyExc_TypeError, 
 | |
| 					"expected a list of objects" ) );
 | |
| 		
 | |
| 		/* remove all from the list and add the new items */
 | |
| 		free_group(group); /* unlink all objects from this group, keep the group */
 | |
| 		list_size= PyList_Size( args );
 | |
| 		for( i = 0; i < list_size; i++ ) {
 | |
| 			blen_ob= ((BPy_Object *)PyList_GET_ITEM( args, i ))->object;
 | |
| 			add_to_group_wraper(group, blen_ob);
 | |
| 		}
 | |
| 	/*
 | |
| 	} else if( args->ob_type == &MGroupObSeq_Type ) {
 | |
| 	*/
 | |
| 		/* todo, handle sequences here */
 | |
| 	
 | |
| 	} else if (PyIter_Check(args)) {
 | |
| 		PyObject *iterator = PyObject_GetIter(args);
 | |
| 		PyObject *item;
 | |
| 		if (iterator == NULL) {
 | |
| 			Py_DECREF(iterator);
 | |
| 			return EXPP_ReturnIntError( PyExc_TypeError, 
 | |
| 			"expected a list of objects, This iterator cannot be used." );
 | |
| 		}
 | |
| 		free_group(group); /* unlink all objects from this group, keep the group */
 | |
| 		item = PyIter_Next(iterator);
 | |
| 		while (item) {
 | |
| 			if ( PyObject_TypeCheck(item, &Object_Type) ) {
 | |
| 				blen_ob= ((BPy_Object *)item)->object;
 | |
| 				add_to_group_wraper(group, blen_ob);
 | |
| 			}
 | |
| 			Py_DECREF(item);
 | |
| 			item = PyIter_Next(iterator);
 | |
| 		}
 | |
| 
 | |
| 		Py_DECREF(iterator);
 | |
| 
 | |
| 		if (PyErr_Occurred()) {
 | |
| 			return EXPP_ReturnIntError( PyExc_RuntimeError, 
 | |
| 			"An unknown error occured while adding iterator objects to the group.\nThe group has been modified." );
 | |
| 		}
 | |
| 
 | |
| 	} else
 | |
| 		return EXPP_ReturnIntError( PyExc_TypeError, 
 | |
| 				"expected a list or sequence of objects" );
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| 
 | |
| 
 | |
| /*****************************************************************************/
 | |
| /* PythonTypeObject callback function prototypes			 */
 | |
| /*****************************************************************************/
 | |
| static void Group_dealloc( BPy_Group * obj );
 | |
| static PyObject *Group_repr( BPy_Group * obj );
 | |
| static int Group_compare( BPy_Group * a, BPy_Group * b );
 | |
| 
 | |
| /*****************************************************************************/
 | |
| /* Python BPy_Group methods:                                                  */
 | |
| /*****************************************************************************/
 | |
| static int Group_setName( BPy_Group * self, PyObject * value )
 | |
| {
 | |
| 	char *name = NULL;
 | |
| 	char buf[21];
 | |
| 	
 | |
| 	if( !(self->group) )
 | |
| 		return EXPP_ReturnIntError( PyExc_RuntimeError,
 | |
| 					      "Blender Group was deleted!" );
 | |
| 	
 | |
| 	name = PyString_AsString ( value );
 | |
| 	if( !name )
 | |
| 		return EXPP_ReturnIntError( PyExc_TypeError,
 | |
| 					      "expected string argument" );
 | |
| 
 | |
| 	PyOS_snprintf( buf, sizeof( buf ), "%s", name );
 | |
| 
 | |
| 	rename_id( &self->group->id, buf );
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| 
 | |
| static PyObject *Group_getName( BPy_Group * self, PyObject * args )
 | |
| {
 | |
| 	PyObject *attr;
 | |
| 	if( !(self->group) )
 | |
| 		return ( EXPP_ReturnPyObjError( PyExc_RuntimeError,
 | |
| 					      "Blender Group was deleted!" ) );
 | |
| 	
 | |
| 	attr = PyString_FromString( self->group->id.name + 2 );
 | |
| 
 | |
| 	if( attr )
 | |
| 		return attr;
 | |
| 
 | |
| 	return ( EXPP_ReturnPyObjError( PyExc_RuntimeError,
 | |
| 					"couldn't get Group.name attribute" ) );
 | |
| }
 | |
| 
 | |
| static PyObject *Group_getUsers( BPy_Group * self )
 | |
| {
 | |
| 	return PyInt_FromLong( self->group->id.us );
 | |
| }
 | |
| 
 | |
| /*****************************************************************************/
 | |
| /* Python attributes get/set structure:                                      */
 | |
| /*****************************************************************************/
 | |
| static PyGetSetDef BPy_Group_getseters[] = {
 | |
| 	{"name",
 | |
| 	 (getter)Group_getName, (setter)Group_setName,
 | |
| 	 "Group name",
 | |
| 	 NULL},
 | |
| 	{"users",
 | |
| 	 (getter)Group_getUsers, (setter)NULL,
 | |
| 	 "Number of group users",
 | |
| 	 NULL},
 | |
| 	{"objects",
 | |
| 	 (getter)M_Group_getObjects, (setter)M_Group_setObjects,
 | |
| 	 "objects in this group",
 | |
| 	 NULL},
 | |
| 	{NULL,NULL,NULL,NULL,NULL}  /* Sentinel */
 | |
| };
 | |
| 
 | |
| /*****************************************************************************/
 | |
| /* Python TypeGroup structure definition:                                     */
 | |
| /*****************************************************************************/
 | |
| PyTypeObject Group_Type = {
 | |
| 	PyObject_HEAD_INIT( NULL )  /* required py macro */
 | |
| 	0,                          /* ob_size */
 | |
| 	/*  For printing, in format "<module>.<name>" */
 | |
| 	"Blender Group",             /* char *tp_name; */
 | |
| 	sizeof( BPy_Group ),         /* int tp_basicsize; */
 | |
| 	0,                          /* tp_itemsize;  For allocation */
 | |
| 
 | |
| 	/* Methods to implement standard operations */
 | |
| 
 | |
| 	( destructor ) Group_dealloc,/* destructor tp_dealloc; */
 | |
| 	NULL,                       /* printfunc tp_print; */
 | |
| 	NULL,                       /* getattrfunc tp_getattr; */
 | |
| 	NULL,                       /* setattrfunc tp_setattr; */
 | |
| 	( cmpfunc ) Group_compare,   /* cmpfunc tp_compare; */
 | |
| 	( reprfunc ) Group_repr,     /* reprfunc tp_repr; */
 | |
| 
 | |
| 	/* Method suites for standard classes */
 | |
| 
 | |
| 	NULL,                       /* PyNumberMethods *tp_as_number; */
 | |
| 	NULL,                       /* 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 */
 | |
| 	NULL,                       /* getiterfunc tp_iter; */
 | |
| 	NULL,                       /* iternextfunc tp_iternext; */
 | |
| 
 | |
|   /*** Attribute descriptor and subclassing stuff ***/
 | |
| 	BPy_Group_methods,           /* struct PyMethodDef *tp_methods; */
 | |
| 	NULL,                       /* struct PyMemberDef *tp_members; */
 | |
| 	BPy_Group_getseters,         /* 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
 | |
| };
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| /*****************************************************************************/
 | |
| /* Function:			  M_Group_New				 */
 | |
| /* Python equivalent:	  Blender.Group.New				 */
 | |
| /*****************************************************************************/
 | |
| PyObject *M_Group_New( PyObject * self, PyObject * args )
 | |
| {
 | |
| 	char *name = "Group";
 | |
| 	char buf[21];
 | |
| 	BPy_Group *py_group;	/* for Group Data object wrapper in Python */
 | |
| 	struct Group *bl_group;
 | |
| 	
 | |
| 	if( !PyArg_ParseTuple( args, "|s", &name ) )
 | |
| 		return EXPP_ReturnPyObjError( PyExc_TypeError,
 | |
| 				"string expected as argument or nothing" );
 | |
| 	
 | |
| 	bl_group= add_group();
 | |
| 	
 | |
| 	if( bl_group )		/* now create the wrapper grp in Python */
 | |
| 		py_group = ( BPy_Group * ) Group_CreatePyObject( bl_group );
 | |
| 	else
 | |
| 		return ( EXPP_ReturnPyObjError( PyExc_RuntimeError,
 | |
| 						"couldn't create Group Data in Blender" ) );
 | |
| 	
 | |
| 	
 | |
| 	if( strcmp( name, "Group" ) != 0 ) {
 | |
| 		PyOS_snprintf( buf, sizeof( buf ), "%s", name );
 | |
| 		rename_id( &bl_group->id, buf );
 | |
| 	}
 | |
| 	
 | |
| 	/* user count be incremented in Group_CreatePyObject */
 | |
| 	bl_group->id.us = 0;
 | |
| 	
 | |
| 	return ( PyObject * ) py_group;
 | |
| }
 | |
| 
 | |
| /*****************************************************************************/
 | |
| /* Function:	  M_Group_Get						*/
 | |
| /* Python equivalent:	  Blender.Group.Get				*/
 | |
| /*****************************************************************************/
 | |
| PyObject *M_Group_Get( PyObject * self, PyObject * args )
 | |
| {
 | |
| 	char *name = NULL;
 | |
| 	Group *group_iter;
 | |
| 
 | |
| 	if( !PyArg_ParseTuple( args, "|s", &name ) )
 | |
| 		return ( EXPP_ReturnPyObjError( PyExc_TypeError,
 | |
| 						"expected string argument (or nothing)" ) );
 | |
| 
 | |
| 	group_iter = G.main->group.first;
 | |
| 
 | |
| 	if( name ) {		/* (name) - Search group by name */
 | |
| 
 | |
| 		BPy_Group *wanted_group = NULL;
 | |
| 
 | |
| 		while( ( group_iter ) && ( wanted_group == NULL ) ) {
 | |
| 
 | |
| 			if( strcmp( name, group_iter->id.name + 2 ) == 0 )
 | |
| 				wanted_group =
 | |
| 					( BPy_Group * )
 | |
| 					Group_CreatePyObject( group_iter );
 | |
| 
 | |
| 			group_iter = group_iter->id.next;
 | |
| 		}
 | |
| 
 | |
| 		if( wanted_group == NULL ) { /* Requested group doesn't exist */
 | |
| 			char error_msg[64];
 | |
| 			PyOS_snprintf( error_msg, sizeof( error_msg ),
 | |
| 				       "Group \"%s\" not found", name );
 | |
| 			return ( EXPP_ReturnPyObjError
 | |
| 				 ( PyExc_NameError, error_msg ) );
 | |
| 		}
 | |
| 
 | |
| 		return ( PyObject * ) wanted_group;
 | |
| 	}
 | |
| 
 | |
| 	else {		/* () - return a list of all groups in the scene */
 | |
| 		int index = 0;
 | |
| 		PyObject *grouplist, *pyobj;
 | |
| 
 | |
| 		grouplist = PyList_New( BLI_countlist( &( G.main->group ) ) );
 | |
| 
 | |
| 		if( grouplist == NULL )
 | |
| 			return ( EXPP_ReturnPyObjError( PyExc_MemoryError,
 | |
| 							"couldn't create group list" ) );
 | |
| 
 | |
| 		while( group_iter ) {
 | |
| 			pyobj = Group_CreatePyObject( group_iter );
 | |
| 
 | |
| 			if( !pyobj )
 | |
| 				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, PyObject * args )
 | |
| {
 | |
| 	PyObject *pyob=NULL;
 | |
| 	BPy_Group *pygrp=NULL;
 | |
| 	Group *group;
 | |
| 	if( !PyArg_ParseTuple( args, "O!", &Group_Type, &pyob) )
 | |
| 		return ( EXPP_ReturnPyObjError( PyExc_TypeError,
 | |
| 						"expected a group" ) );
 | |
| 	
 | |
| 	pygrp= (BPy_Group *)pyob;
 | |
| 	group= pygrp->group;
 | |
| 	
 | |
| 	if( !group )
 | |
| 		return ( EXPP_ReturnPyObjError( PyExc_RuntimeError,
 | |
| 					      "Blender Group was deleted!" ) );
 | |
| 	
 | |
| 	pygrp->group= NULL;
 | |
| 	free_group(group);
 | |
| 	unlink_group(group);
 | |
| 	group->id.us= 0;
 | |
| 	free_libblock( &G.main->group, group );
 | |
| 	Py_INCREF( Py_None );
 | |
| 	return Py_None;
 | |
| }
 | |
| 
 | |
| 
 | |
| /*****************************************************************************/
 | |
| /* Function:	 initObject						*/
 | |
| /*****************************************************************************/
 | |
| PyObject *Group_Init( void )
 | |
| {
 | |
| 	PyObject *submodule;
 | |
| 	if( PyType_Ready( &Group_Type ) < 0 )
 | |
| 		return NULL;
 | |
| 	if( PyType_Ready( &MGroupObSeq_Type ) < 0 )
 | |
| 		return NULL;
 | |
| 	
 | |
| 	submodule = Py_InitModule3( "Blender.Group", M_Group_methods,
 | |
| 				 M_Group_doc );
 | |
| 
 | |
| 	//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 )
 | |
| 		return EXPP_incr_ret( Py_None );
 | |
| 
 | |
| 	pygrp =
 | |
| 		( BPy_Group * ) PyObject_NEW( BPy_Group, &Group_Type );
 | |
| 
 | |
| 	if( pygrp == NULL ) {
 | |
| 		return ( NULL );
 | |
| 	}
 | |
| 	pygrp->group = grp;
 | |
| 	return ( ( PyObject * ) pygrp );
 | |
| }
 | |
| 
 | |
| /*****************************************************************************/
 | |
| /* Function:	Group_CheckPyObject					 */
 | |
| /* Description: This function returns true when the given PyObject is of the */
 | |
| /*		type Group. Otherwise it will return false.		 */
 | |
| /*****************************************************************************/
 | |
| int Group_CheckPyObject( PyObject * py_grp)
 | |
| {
 | |
| 	return ( py_grp->ob_type == &Group_Type );
 | |
| }
 | |
| 
 | |
| /*****************************************************************************/
 | |
| /* 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 );
 | |
| }
 | |
| 
 | |
| /*****************************************************************************/
 | |
| /* Description: Returns the object with the name specified by the argument  */
 | |
| /*		name. Note that the calling function has to remove the first */
 | |
| /*		two characters of the object name. These two characters	   */
 | |
| /*		specify the type of the object (OB, ME, WO, ...)	 */
 | |
| /*		The function will return NULL when no object with the given  */
 | |
| /*		name is found.						 */
 | |
| /*****************************************************************************/
 | |
| Group *GetGroupByName( char *name )
 | |
| {
 | |
| 	Group *grp_iter;
 | |
| 
 | |
| 	grp_iter = G.main->group.first;
 | |
| 	while( grp_iter ) {
 | |
| 		if( StringEqual( name, GetIdName( &( grp_iter->id ) ) ) ) {
 | |
| 			return ( grp_iter );
 | |
| 		}
 | |
| 		grp_iter = grp_iter->id.next;
 | |
| 	}
 | |
| 
 | |
| 	/* There is no object with the given name */
 | |
| 	return ( NULL );
 | |
| }
 | |
| 
 | |
| /*****************************************************************************/
 | |
| /* Function:	Group_dealloc						 */
 | |
| /* Description: This is a callback function for the BlenObject type. It is  */
 | |
| /*		the destructor function.				 */
 | |
| /*****************************************************************************/
 | |
| static void Group_dealloc( BPy_Group * grp )
 | |
| {
 | |
| 	PyObject_DEL( grp );
 | |
| }
 | |
| 
 | |
| /*****************************************************************************/
 | |
| /* 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 )
 | |
| {
 | |
| 	return PyString_FromFormat( "[Group \"%s\"]",
 | |
| 				    self->group->id.name + 2 );
 | |
| }
 | |
| 
 | |
| 
 | |
| /************************************************************************
 | |
|  *
 | |
|  * GroupOb sequence 
 | |
|  *
 | |
|  ************************************************************************/
 | |
| /*
 | |
|  * create a thin MGroupOb object
 | |
|  */
 | |
| 
 | |
| static PyObject *MGroupObSeq_CreatePyObject( Group *group, int i )
 | |
| {
 | |
| 	int index=0;
 | |
| 	PyObject *bpy_obj;
 | |
| 	GroupObject *gob;
 | |
| 	
 | |
| 	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 int MGroupObSeq_len( BPy_MGroupObSeq * self )
 | |
| {
 | |
| 	return BLI_countlist( &( self->bpygroup->group->gobject ) );
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * retrive a single MGroupOb from somewhere in the GroupObex list
 | |
|  */
 | |
| 
 | |
| static PyObject *MGroupObSeq_item( BPy_MGroupObSeq * self, int i )
 | |
| {
 | |
| 	return MGroupObSeq_CreatePyObject( self->bpygroup->group, i );
 | |
| }
 | |
| 
 | |
| static PySequenceMethods MGroupObSeq_as_sequence = {
 | |
| 	( inquiry ) MGroupObSeq_len,	/* sq_length */
 | |
| 	( binaryfunc ) 0,	/* sq_concat */
 | |
| 	( intargfunc ) 0,	/* sq_repeat */
 | |
| 	( intargfunc ) MGroupObSeq_item,	/* sq_item */
 | |
| 	( intintargfunc ) 0,	/* sq_slice */
 | |
| 	( intobjargproc ) 0,	/* sq_ass_item */
 | |
| 	( intintobjargproc ) 0,	/* sq_ass_slice */
 | |
| 	0,0,0,
 | |
| };
 | |
| 
 | |
| /************************************************************************
 | |
|  *
 | |
|  * Python MGroupObSeq_Type iterator (iterates over GroupObjects)
 | |
|  *
 | |
|  ************************************************************************/
 | |
| 
 | |
| /*
 | |
|  * Initialize the interator index
 | |
|  */
 | |
| 
 | |
| static PyObject *MGroupObSeq_getIter( BPy_MGroupObSeq * self )
 | |
| {
 | |
| 	self->iter = self->bpygroup->group->gobject.first;
 | |
| 	return EXPP_incr_ret ( (PyObject *) self );
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * Return next MGroupOb.
 | |
|  */
 | |
| 
 | |
| static PyObject *MGroupObSeq_nextIter( BPy_MGroupObSeq * self )
 | |
| {
 | |
| 	PyObject *object;
 | |
| 	if( !(self->iter) ||  !(self->bpygroup->group) )
 | |
| 		return EXPP_ReturnPyObjError( PyExc_StopIteration,
 | |
| 				"iterator at end" );
 | |
| 	
 | |
| 	object= Object_CreatePyObject( self->iter->ob ); 
 | |
| 	self->iter= self->iter->next;
 | |
| 	return object;
 | |
| }
 | |
| 
 | |
| 
 | |
| static PyObject *MGroupObSeq_append( BPy_MGroupObSeq * self, PyObject *args )
 | |
| {
 | |
| 	PyObject *pyobj;
 | |
| 	Object *blen_ob;
 | |
| 	Base *base= NULL;
 | |
| 	if( !PyArg_ParseTuple( args, "O!", &Object_Type, &pyobj ) )
 | |
| 		return ( EXPP_ReturnPyObjError( PyExc_TypeError,
 | |
| 				"expected a python object as an argument" ) );
 | |
| 	
 | |
| 	blen_ob = ( ( BPy_Object * ) pyobj )->object;
 | |
| 	
 | |
| 	base= object_in_scene(blen_ob, G.scene);
 | |
| 	
 | |
| 	add_to_group_wraper(self->bpygroup->group, blen_ob); /* this checks so as not to add the object into the group twice*/
 | |
| 	
 | |
| 	return EXPP_incr_ret( Py_None );
 | |
| }
 | |
| 
 | |
| 
 | |
| 
 | |
| static PyObject *MGroupObSeq_remove( BPy_MGroupObSeq * self, PyObject *args )
 | |
| {
 | |
| 	PyObject *pyobj;
 | |
| 	Object *blen_ob;
 | |
| 	Base *base= NULL;
 | |
| 	
 | |
| 	if( !(self->bpygroup->group) )
 | |
| 		return (EXPP_ReturnPyObjError( PyExc_RuntimeError,
 | |
| 					      "Blender Group was deleted!" ));
 | |
| 	
 | |
| 	if( !PyArg_ParseTuple( args, "O!", &Object_Type, &pyobj ) )
 | |
| 		return ( EXPP_ReturnPyObjError( PyExc_TypeError,
 | |
| 				"expected a python object as an argument" ) );
 | |
| 	
 | |
| 	blen_ob = ( ( BPy_Object * ) pyobj )->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;
 | |
| 	}
 | |
| 	return EXPP_incr_ret( Py_None );
 | |
| }
 | |
| 
 | |
| 
 | |
| static struct PyMethodDef BPy_MGroupObSeq_methods[] = {
 | |
| 	{"append", (PyCFunction)MGroupObSeq_append, METH_VARARGS,
 | |
| 		"add object to group"},
 | |
| 	{"remove", (PyCFunction)MGroupObSeq_remove, METH_VARARGS,
 | |
| 		"remove object from group"},
 | |
| 	{NULL, NULL, 0, NULL}
 | |
| };
 | |
| 
 | |
| /************************************************************************
 | |
|  *
 | |
|  * Python MGroupObSeq_Type standard operations
 | |
|  *
 | |
|  ************************************************************************/
 | |
| 
 | |
| static void MGroupObSeq_dealloc( BPy_MGroupObSeq * self )
 | |
| {
 | |
| 	Py_DECREF(self->bpygroup);
 | |
| 	PyObject_DEL( self );
 | |
| }
 | |
| 
 | |
| /*****************************************************************************/
 | |
| /* Python MGroupObSeq_Type structure definition:                               */
 | |
| /*****************************************************************************/
 | |
| PyTypeObject MGroupObSeq_Type = {
 | |
| 	PyObject_HEAD_INIT( NULL )  /* required py macro */
 | |
| 	0,                          /* ob_size */
 | |
| 	/*  For printing, in format "<module>.<name>" */
 | |
| 	"Blender MGroupObSeq",           /* char *tp_name; */
 | |
| 	sizeof( BPy_MGroupObSeq ),       /* int tp_basicsize; */
 | |
| 	0,                          /* tp_itemsize;  For allocation */
 | |
| 
 | |
| 	/* Methods to implement standard operations */
 | |
| 
 | |
| 	( destructor ) MGroupObSeq_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; */
 | |
| 	&MGroupObSeq_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) MGroupObSeq_getIter, /* getiterfunc tp_iter; */
 | |
| 	( iternextfunc ) MGroupObSeq_nextIter, /* iternextfunc tp_iternext; */
 | |
| 
 | |
|   /*** Attribute descriptor and subclassing stuff ***/
 | |
| 	BPy_MGroupObSeq_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
 | |
| };
 |