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/**
* Set or remove an objects parent
*
* $Id$
*
* ***** 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"
#include "PyObjectPlus.h"
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
/* ------------------------------------------------------------------------- */
/* Native functions */
/* ------------------------------------------------------------------------- */
KX_ParentActuator::KX_ParentActuator(SCA_IObject *gameobj,
int mode,
bool addToCompound,
bool ghost,
SCA_IObject *ob)
: SCA_IActuator(gameobj),
m_mode(mode),
m_addToCompound(addToCompound),
m_ghost(ghost),
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();
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 = KX_GetActiveScene();
switch (m_mode) {
case KX_PARENT_SET:
if (m_ob)
obj->SetParent(scene, (KX_GameObject*)m_ob, m_addToCompound, m_ghost);
break;
case KX_PARENT_REMOVE:
obj->RemoveParent(scene);
break;
};
return false;
}
/* ------------------------------------------------------------------------- */
/* Python functions */
/* ------------------------------------------------------------------------- */
/* Integration hooks ------------------------------------------------------- */
PyTypeObject KX_ParentActuator::Type = {
PyVarObject_HEAD_INIT(NULL, 0)
"KX_ParentActuator",
sizeof(PyObjectPlus_Proxy),
0,
py_base_dealloc,
0,
0,
0,
0,
py_base_repr,
0,0,0,0,0,0,0,0,0,
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
0,0,0,0,0,0,0,
Methods,
0,
0,
&SCA_IActuator::Type,
0,0,0,0,0,0,
py_base_new
};
PyMethodDef KX_ParentActuator::Methods[] = {
{NULL,NULL} //Sentinel
};
PyAttributeDef KX_ParentActuator::Attributes[] = {
KX_PYATTRIBUTE_RW_FUNCTION("object", KX_ParentActuator, pyattr_get_object, pyattr_set_object),
KX_PYATTRIBUTE_INT_RW("mode", KX_PARENT_NODEF+1, KX_PARENT_MAX-1, true, KX_ParentActuator, m_mode),
KX_PYATTRIBUTE_BOOL_RW("compound", KX_ParentActuator, m_addToCompound),
KX_PYATTRIBUTE_BOOL_RW("ghost", KX_ParentActuator, m_ghost),
{ NULL } //Sentinel
};
PyObject* KX_ParentActuator::pyattr_get_object(void *self, const struct KX_PYATTRIBUTE_DEF *attrdef)
{
KX_ParentActuator* actuator = static_cast<KX_ParentActuator*>(self);
if (!actuator->m_ob)
Py_RETURN_NONE;
else
return actuator->m_ob->GetProxy();
}
int KX_ParentActuator::pyattr_set_object(void *self, const struct KX_PYATTRIBUTE_DEF *attrdef, PyObject *value)
{
KX_ParentActuator* actuator = static_cast<KX_ParentActuator*>(self);
KX_GameObject *gameobj;
if (!ConvertPythonToGameObject(value, &gameobj, true, "actuator.object = value: KX_ParentActuator"))
return PY_SET_ATTR_FAIL; // ConvertPythonToGameObject sets the error
if (actuator->m_ob != NULL)
actuator->m_ob->UnregisterActuator(actuator);
actuator->m_ob = (SCA_IObject*) gameobj;
if (actuator->m_ob)
actuator->m_ob->RegisterActuator(actuator);
return PY_SET_ATTR_SUCCESS;
}
/* eof */
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