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/**
* Set or remove an objects parent
*
* $Id: SCA_ParentActuator.cpp 13932 2008-03-01 19:05:41Z ben2610 $
*
* ***** BEGIN GPL 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 LICENSE BLOCK *****
*/
#include "KX_ParentActuator.h"
#include "KX_GameObject.h"
#include "KX_PythonInit.h"
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
/* ------------------------------------------------------------------------- */
/* Native functions */
/* ------------------------------------------------------------------------- */
KX_ParentActuator::KX_ParentActuator(SCA_IObject *gameobj,
int mode,
SCA_IObject *ob,
PyTypeObject* T)
: SCA_IActuator(gameobj, T),
m_mode(mode),
m_ob(ob)
{
if (m_ob)
m_ob->RegisterActuator(this);
}
KX_ParentActuator::~KX_ParentActuator()
{
if (m_ob)
m_ob->UnregisterActuator(this);
}
CValue* KX_ParentActuator::GetReplica()
{
KX_ParentActuator* replica = new KX_ParentActuator(*this);
// replication just copy the m_base pointer => common random generator
replica->ProcessReplica();
CValue::AddDataToReplica(replica);
return replica;
}
void KX_ParentActuator::ProcessReplica()
{
if (m_ob)
m_ob->RegisterActuator(this);
SCA_IActuator::ProcessReplica();
}
bool KX_ParentActuator::UnlinkObject(SCA_IObject* clientobj)
{
if (clientobj == m_ob)
{
// this object is being deleted, we cannot continue to track it.
m_ob = NULL;
return true;
}
return false;
}
void KX_ParentActuator::Relink(GEN_Map<GEN_HashedPtr, void*> *obj_map)
{
void **h_obj = (*obj_map)[m_ob];
if (h_obj) {
if (m_ob)
m_ob->UnregisterActuator(this);
m_ob = (SCA_IObject*)(*h_obj);
m_ob->RegisterActuator(this);
}
}
bool KX_ParentActuator::Update()
{
bool bNegativeEvent = IsNegativeEvent();
RemoveAllEvents();
if (bNegativeEvent)
return false; // do nothing on negative events
KX_GameObject *obj = (KX_GameObject*) GetParent();
KX_Scene *scene = PHY_GetActiveScene();
switch (m_mode) {
case KX_PARENT_SET:
if (m_ob)
obj->SetParent(scene, (KX_GameObject*)m_ob);
break;
case KX_PARENT_REMOVE:
obj->RemoveParent(scene);
break;
};
return false;
}
/* ------------------------------------------------------------------------- */
/* Python functions */
/* ------------------------------------------------------------------------- */
/* Integration hooks ------------------------------------------------------- */
PyTypeObject KX_ParentActuator::Type = {
PyObject_HEAD_INIT(&PyType_Type)
0,
"KX_ParentActuator",
sizeof(KX_ParentActuator),
0,
PyDestructor,
0,
__getattr,
__setattr,
0, //&MyPyCompare,
__repr,
0, //&cvalue_as_number,
0,
0,
0,
0
};
PyParentObject KX_ParentActuator::Parents[] = {
&KX_ParentActuator::Type,
&SCA_IActuator::Type,
&SCA_ILogicBrick::Type,
&CValue::Type,
NULL
};
PyMethodDef KX_ParentActuator::Methods[] = {
{"setObject", (PyCFunction) KX_ParentActuator::sPySetObject, METH_O, SetObject_doc},
{"getObject", (PyCFunction) KX_ParentActuator::sPyGetObject, METH_VARARGS, GetObject_doc},
{NULL,NULL} //Sentinel
};
PyObject* KX_ParentActuator::_getattr(const STR_String& attr) {
_getattr_up(SCA_IActuator);
}
/* 1. setObject */
char KX_ParentActuator::SetObject_doc[] =
"setObject(object)\n"
"\t- object: KX_GameObject, string or None\n"
"\tSet the object to set as parent.\n";
PyObject* KX_ParentActuator::PySetObject(PyObject* self, PyObject* value) {
KX_GameObject *gameobj;
if (!ConvertPythonToGameObject(value, &gameobj, true))
return NULL; // ConvertPythonToGameObject sets the error
if (m_ob != NULL)
m_ob->UnregisterActuator(this);
m_ob = (SCA_IObject*)gameobj;
if (m_ob)
m_ob->RegisterActuator(this);
Py_RETURN_NONE;
}
/* 2. getObject */
/* get obj ---------------------------------------------------------- */
char KX_ParentActuator::GetObject_doc[] =
"getObject(name_only = 1)\n"
"name_only - optional arg, when true will return the KX_GameObject rather then its name\n"
"\tReturns the object that is set to.\n";
PyObject* KX_ParentActuator::PyGetObject(PyObject* self, PyObject* args)
{
int ret_name_only = 1;
if (!PyArg_ParseTuple(args, "|i", &ret_name_only))
return NULL;
if (!m_ob)
Py_RETURN_NONE;
if (ret_name_only)
return PyString_FromString(m_ob->GetName());
else
return m_ob->AddRef();
}
/* eof */
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