blender/source/gameengine/Ketsji/KX_SceneActuator.cpp

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/**
* Set scene/camera stuff
*
* $Id$
*
* ***** BEGIN GPL LICENSE BLOCK *****
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*
* 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.
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*
* 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 *****
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*/
#include "SCA_IActuator.h"
#include "KX_SceneActuator.h"
#include <iostream>
#include "KX_Scene.h"
#include "KX_Camera.h"
#include "KX_KetsjiEngine.h"
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
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/* ------------------------------------------------------------------------- */
/* Native functions */
/* ------------------------------------------------------------------------- */
KX_SceneActuator::KX_SceneActuator(SCA_IObject *gameobj,
int mode,
KX_Scene *scene,
KX_KetsjiEngine* ketsjiEngine,
const STR_String& nextSceneName,
KX_Camera* camera,
PyTypeObject* T)
: SCA_IActuator(gameobj, T)
{
m_mode = mode;
m_scene = scene;
m_KetsjiEngine=ketsjiEngine;
m_camera = camera;
m_nextSceneName = nextSceneName;
if (m_camera)
m_camera->RegisterActuator(this);
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} /* End of constructor */
KX_SceneActuator::~KX_SceneActuator()
{
if (m_camera)
m_camera->UnregisterActuator(this);
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} /* end of destructor */
CValue* KX_SceneActuator::GetReplica()
{
KX_SceneActuator* replica = new KX_SceneActuator(*this);
replica->ProcessReplica();
// this will copy properties and so on...
CValue::AddDataToReplica(replica);
return replica;
}
void KX_SceneActuator::ProcessReplica()
{
if (m_camera)
m_camera->RegisterActuator(this);
SCA_IActuator::ProcessReplica();
}
bool KX_SceneActuator::UnlinkObject(SCA_IObject* clientobj)
{
if (clientobj == (SCA_IObject*)m_camera)
{
// this object is being deleted, we cannot continue to track it.
m_camera = NULL;
return true;
}
return false;
}
void KX_SceneActuator::Relink(GEN_Map<GEN_HashedPtr, void*> *obj_map)
{
void **h_obj = (*obj_map)[m_camera];
if (h_obj) {
if (m_camera)
m_camera->UnregisterActuator(this);
m_camera = (KX_Camera*)(*h_obj);
m_camera->RegisterActuator(this);
}
}
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bool KX_SceneActuator::Update()
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{
// bool result = false; /*unused*/
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bool bNegativeEvent = IsNegativeEvent();
RemoveAllEvents();
if (bNegativeEvent)
return false; // do nothing on negative events
switch (m_mode)
{
case KX_SCENE_RESTART:
{
m_KetsjiEngine->ReplaceScene(m_scene->GetName(),m_scene->GetName());
break;
}
case KX_SCENE_SET_CAMERA:
if (m_camera)
{
m_scene->SetActiveCamera(m_camera);
}
else
{
// if no camera is set and the parent object is a camera, use it as the camera
SCA_IObject* parent = GetParent();
if (parent->isA(&KX_Camera::Type))
{
m_scene->SetActiveCamera((KX_Camera*)parent);
}
}
break;
default:
break;
}
if (!m_nextSceneName.Length())
return false;
switch (m_mode)
{
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case KX_SCENE_SET_SCENE:
{
m_KetsjiEngine->ReplaceScene(m_scene->GetName(),m_nextSceneName);
break;
}
case KX_SCENE_ADD_FRONT_SCENE:
{
bool overlay=true;
m_KetsjiEngine->ConvertAndAddScene(m_nextSceneName,overlay);
break;
}
case KX_SCENE_ADD_BACK_SCENE:
{
bool overlay=false;
m_KetsjiEngine->ConvertAndAddScene(m_nextSceneName,overlay);
break;
}
case KX_SCENE_REMOVE_SCENE:
{
m_KetsjiEngine->RemoveScene(m_nextSceneName);
break;
}
case KX_SCENE_SUSPEND:
{
m_KetsjiEngine->SuspendScene(m_nextSceneName);
break;
}
case KX_SCENE_RESUME:
{
m_KetsjiEngine->ResumeScene(m_nextSceneName);
break;
}
default:
; /* do nothing? this is an internal error !!! */
}
return false;
}
/* returns a camera if the name is valid */
KX_Camera* KX_SceneActuator::FindCamera(char *camName)
{
KX_SceneList* sl = m_KetsjiEngine->CurrentScenes();
STR_String name = STR_String(camName);
KX_SceneList::iterator it = sl->begin();
KX_Camera* cam = NULL;
while ((it != sl->end()) && (!cam))
{
cam = (*it)->FindCamera(name);
it++;
}
return cam;
}
KX_Scene* KX_SceneActuator::FindScene(char * sceneName)
{
return m_KetsjiEngine->FindScene(sceneName);
}
/* ------------------------------------------------------------------------- */
/* Python functions */
/* ------------------------------------------------------------------------- */
/* Integration hooks ------------------------------------------------------- */
PyTypeObject KX_SceneActuator::Type = {
PyObject_HEAD_INIT(&PyType_Type)
0,
"KX_SceneActuator",
sizeof(KX_SceneActuator),
0,
PyDestructor,
0,
__getattr,
__setattr,
0, //&MyPyCompare,
__repr,
0, //&cvalue_as_number,
0,
0,
0,
0
};
PyParentObject KX_SceneActuator::Parents[] =
{
&KX_SceneActuator::Type,
&SCA_IActuator::Type,
&SCA_ILogicBrick::Type,
&CValue::Type,
NULL
};
PyMethodDef KX_SceneActuator::Methods[] =
{
{"setUseRestart", (PyCFunction) KX_SceneActuator::sPySetUseRestart, METH_VARARGS, (PY_METHODCHAR)SetUseRestart_doc},
{"setScene", (PyCFunction) KX_SceneActuator::sPySetScene, METH_VARARGS, (PY_METHODCHAR)SetScene_doc},
{"setCamera", (PyCFunction) KX_SceneActuator::sPySetCamera, METH_VARARGS, (PY_METHODCHAR)SetCamera_doc},
{"getUseRestart", (PyCFunction) KX_SceneActuator::sPyGetUseRestart, METH_VARARGS, (PY_METHODCHAR)GetUseRestart_doc},
{"getScene", (PyCFunction) KX_SceneActuator::sPyGetScene, METH_VARARGS, (PY_METHODCHAR)GetScene_doc},
{"getCamera", (PyCFunction) KX_SceneActuator::sPyGetCamera, METH_VARARGS, (PY_METHODCHAR)GetCamera_doc},
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{NULL,NULL} //Sentinel
};
PyObject* KX_SceneActuator::_getattr(const STR_String& attr)
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{
_getattr_up(SCA_IActuator);
}
/* 2. setUseRestart--------------------------------------------------------- */
const char KX_SceneActuator::SetUseRestart_doc[] =
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"setUseRestart(flag)\n"
"\t- flag: 0 or 1.\n"
"\tSet flag to 1 to restart the scene.\n" ;
PyObject* KX_SceneActuator::PySetUseRestart(PyObject* self,
PyObject* args,
PyObject* kwds)
{
int boolArg;
if (!PyArg_ParseTuple(args, "i", &boolArg))
{
return NULL;
}
m_restart = boolArg != 0;
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Py_Return;
}
/* 3. getUseRestart: */
const char KX_SceneActuator::GetUseRestart_doc[] =
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"getUseRestart()\n"
"\tReturn whether the scene will be restarted.\n" ;
PyObject* KX_SceneActuator::PyGetUseRestart(PyObject* self,
PyObject* args,
PyObject* kwds)
{
return PyInt_FromLong(!(m_restart == 0));
}
/* 4. set scene------------------------------------------------------------- */
const char KX_SceneActuator::SetScene_doc[] =
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"setScene(scene)\n"
"\t- scene: string\n"
"\tSet the name of scene the actuator will switch to.\n" ;
PyObject* KX_SceneActuator::PySetScene(PyObject* self,
PyObject* args,
PyObject* kwds)
{
/* one argument: a scene, ignore the rest */
char *scene_name;
if(!PyArg_ParseTuple(args, "s", &scene_name))
{
return NULL;
}
/* Scene switch is done by name. */
m_nextSceneName = scene_name;
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Py_Return;
}
/* 5. getScene: */
const char KX_SceneActuator::GetScene_doc[] =
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"getScene()\n"
"\tReturn the name of the scene the actuator wants to switch to.\n" ;
PyObject* KX_SceneActuator::PyGetScene(PyObject* self,
PyObject* args,
PyObject* kwds)
{
return PyString_FromString(m_nextSceneName);
}
/* 6. set camera------------------------------------------------------------ */
const char KX_SceneActuator::SetCamera_doc[] =
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"setCamera(camera)\n"
"\t- camera: string\n"
"\tSet the camera to switch to.\n" ;
PyObject* KX_SceneActuator::PySetCamera(PyObject* self,
PyObject* args,
PyObject* kwds)
{
PyObject *cam;
if (PyArg_ParseTuple(args, "O!", &KX_Camera::Type, &cam))
{
if (m_camera)
m_camera->UnregisterActuator(this);
m_camera = (KX_Camera*) cam;
if (m_camera)
m_camera->RegisterActuator(this);
Py_Return;
}
PyErr_Clear();
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/* one argument: a scene, ignore the rest */
char *camName;
if(!PyArg_ParseTuple(args, "s", &camName))
{
return NULL;
}
KX_Camera *camOb = FindCamera(camName);
if (camOb)
{
if (m_camera)
m_camera->UnregisterActuator(this);
m_camera = camOb;
m_camera->RegisterActuator(this);
}
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Py_Return;
}
/* 7. getCamera: */
const char KX_SceneActuator::GetCamera_doc[] =
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"getCamera()\n"
"\tReturn the name of the camera to switch to.\n" ;
PyObject* KX_SceneActuator::PyGetCamera(PyObject* self,
PyObject* args,
PyObject* kwds)
{
return PyString_FromString(m_camera->GetName());
}
/* eof */