forked from bartvdbraak/blender
5553d2c014
PyObjectPlus::ProcessReplica() is now called when any of its subclasses are replicated. This is important because PyObjectPlus::ProcessReplica() NULL's the 'm_proxy' python pointer I added recently. Without this a replicated subclass of PyObjectPlus could have an invalid pointer (crashing the BGE). This change also means CValue::AddDataToReplica() can be moved into CValue::ProcessReplica() since ProcessReplica is always called.
271 lines
6.9 KiB
C++
271 lines
6.9 KiB
C++
/**
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* Set or remove an objects parent
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*
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* $Id$
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*
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* ***** BEGIN GPL 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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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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#include "KX_ParentActuator.h"
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#include "KX_GameObject.h"
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#include "KX_PythonInit.h"
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#include "PyObjectPlus.h"
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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/* ------------------------------------------------------------------------- */
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/* Native functions */
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/* ------------------------------------------------------------------------- */
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KX_ParentActuator::KX_ParentActuator(SCA_IObject *gameobj,
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int mode,
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SCA_IObject *ob,
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PyTypeObject* T)
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: SCA_IActuator(gameobj, T),
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m_mode(mode),
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m_ob(ob)
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{
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if (m_ob)
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m_ob->RegisterActuator(this);
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}
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KX_ParentActuator::~KX_ParentActuator()
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{
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if (m_ob)
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m_ob->UnregisterActuator(this);
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}
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CValue* KX_ParentActuator::GetReplica()
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{
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KX_ParentActuator* replica = new KX_ParentActuator(*this);
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// replication just copy the m_base pointer => common random generator
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replica->ProcessReplica();
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return replica;
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}
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void KX_ParentActuator::ProcessReplica()
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{
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if (m_ob)
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m_ob->RegisterActuator(this);
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SCA_IActuator::ProcessReplica();
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}
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bool KX_ParentActuator::UnlinkObject(SCA_IObject* clientobj)
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{
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if (clientobj == m_ob)
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{
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// this object is being deleted, we cannot continue to track it.
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m_ob = NULL;
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return true;
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}
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return false;
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}
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void KX_ParentActuator::Relink(GEN_Map<GEN_HashedPtr, void*> *obj_map)
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{
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void **h_obj = (*obj_map)[m_ob];
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if (h_obj) {
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if (m_ob)
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m_ob->UnregisterActuator(this);
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m_ob = (SCA_IObject*)(*h_obj);
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m_ob->RegisterActuator(this);
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}
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}
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bool KX_ParentActuator::Update()
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{
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bool bNegativeEvent = IsNegativeEvent();
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RemoveAllEvents();
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if (bNegativeEvent)
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return false; // do nothing on negative events
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KX_GameObject *obj = (KX_GameObject*) GetParent();
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KX_Scene *scene = KX_GetActiveScene();
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switch (m_mode) {
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case KX_PARENT_SET:
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if (m_ob)
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obj->SetParent(scene, (KX_GameObject*)m_ob);
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break;
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case KX_PARENT_REMOVE:
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obj->RemoveParent(scene);
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break;
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};
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return false;
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}
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/* ------------------------------------------------------------------------- */
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/* Python functions */
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/* ------------------------------------------------------------------------- */
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/* Integration hooks ------------------------------------------------------- */
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PyTypeObject KX_ParentActuator::Type = {
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PyObject_HEAD_INIT(NULL)
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0,
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"KX_ParentActuator",
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sizeof(PyObjectPlus_Proxy),
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0,
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py_base_dealloc,
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0,
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0,
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0,
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0,
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py_base_repr,
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0,0,0,0,0,0,
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py_base_getattro,
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py_base_setattro,
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0,0,0,0,0,0,0,0,0,
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Methods
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};
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PyParentObject KX_ParentActuator::Parents[] = {
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&KX_ParentActuator::Type,
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&SCA_IActuator::Type,
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&SCA_ILogicBrick::Type,
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&CValue::Type,
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NULL
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};
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PyMethodDef KX_ParentActuator::Methods[] = {
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// Deprecated ----->
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{"setObject", (PyCFunction) KX_ParentActuator::sPySetObject, METH_O, (PY_METHODCHAR)SetObject_doc},
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{"getObject", (PyCFunction) KX_ParentActuator::sPyGetObject, METH_VARARGS, (PY_METHODCHAR)GetObject_doc},
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// <-----
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{NULL,NULL} //Sentinel
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};
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PyAttributeDef KX_ParentActuator::Attributes[] = {
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KX_PYATTRIBUTE_RW_FUNCTION("object", KX_ParentActuator, pyattr_get_object, pyattr_set_object),
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{ NULL } //Sentinel
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};
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PyObject* KX_ParentActuator::pyattr_get_object(void *self, const struct KX_PYATTRIBUTE_DEF *attrdef)
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{
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KX_ParentActuator* actuator = static_cast<KX_ParentActuator*>(self);
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if (!actuator->m_ob)
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Py_RETURN_NONE;
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else
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return actuator->m_ob->GetProxy();
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}
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int KX_ParentActuator::pyattr_set_object(void *self, const struct KX_PYATTRIBUTE_DEF *attrdef, PyObject *value)
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{
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KX_ParentActuator* actuator = static_cast<KX_ParentActuator*>(self);
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KX_GameObject *gameobj;
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if (!ConvertPythonToGameObject(value, &gameobj, true, "actuator.object = value: KX_ParentActuator"))
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return 1; // ConvertPythonToGameObject sets the error
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if (actuator->m_ob != NULL)
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actuator->m_ob->UnregisterActuator(actuator);
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actuator->m_ob = (SCA_IObject*) gameobj;
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if (actuator->m_ob)
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actuator->m_ob->RegisterActuator(actuator);
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return 0;
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}
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PyObject* KX_ParentActuator::py_getattro(PyObject *attr) {
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py_getattro_up(SCA_IActuator);
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}
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PyObject* KX_ParentActuator::py_getattro_dict() {
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py_getattro_dict_up(SCA_IActuator);
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}
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int KX_ParentActuator::py_setattro(PyObject *attr, PyObject* value) {
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py_setattro_up(SCA_IActuator);
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}
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/* Deprecated -----> */
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/* 1. setObject */
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const char KX_ParentActuator::SetObject_doc[] =
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"setObject(object)\n"
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"\t- object: KX_GameObject, string or None\n"
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"\tSet the object to set as parent.\n";
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PyObject* KX_ParentActuator::PySetObject(PyObject* value) {
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KX_GameObject *gameobj;
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ShowDeprecationWarning("setObject()", "the object property");
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if (!ConvertPythonToGameObject(value, &gameobj, true, "actuator.setObject(value): KX_ParentActuator"))
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return NULL; // ConvertPythonToGameObject sets the error
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if (m_ob != NULL)
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m_ob->UnregisterActuator(this);
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m_ob = (SCA_IObject*)gameobj;
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if (m_ob)
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m_ob->RegisterActuator(this);
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Py_RETURN_NONE;
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}
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/* 2. getObject */
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/* get obj ---------------------------------------------------------- */
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const char KX_ParentActuator::GetObject_doc[] =
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"getObject(name_only = 1)\n"
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"name_only - optional arg, when true will return the KX_GameObject rather then its name\n"
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"\tReturns the object that is set to.\n";
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PyObject* KX_ParentActuator::PyGetObject(PyObject* args)
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{
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int ret_name_only = 1;
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ShowDeprecationWarning("getObject()", "the object property");
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if (!PyArg_ParseTuple(args, "|i:getObject", &ret_name_only))
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return NULL;
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if (!m_ob)
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Py_RETURN_NONE;
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if (ret_name_only)
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return PyString_FromString(m_ob->GetName());
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else
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return m_ob->GetProxy();
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}
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/* <----- */
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/* eof */
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