diff options
Diffstat (limited to 'source/gameengine/Ketsji/KX_ParentActuator.cpp')
| -rw-r--r-- | source/gameengine/Ketsji/KX_ParentActuator.cpp | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/source/gameengine/Ketsji/KX_ParentActuator.cpp b/source/gameengine/Ketsji/KX_ParentActuator.cpp new file mode 100644 index 00000000000..89549ca6b57 --- /dev/null +++ b/source/gameengine/Ketsji/KX_ParentActuator.cpp @@ -0,0 +1,221 @@ +/** + * 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" + +#include "PyObjectPlus.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 = KX_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, (PY_METHODCHAR)SetObject_doc}, + {"getObject", (PyCFunction) KX_ParentActuator::sPyGetObject, METH_VARARGS, (PY_METHODCHAR)GetObject_doc}, + {NULL,NULL} //Sentinel +}; + +PyObject* KX_ParentActuator::_getattr(const STR_String& attr) { + _getattr_up(SCA_IActuator); +} + +/* 1. setObject */ +const 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 ---------------------------------------------------------- */ +const 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 */ |