blender/source/gameengine/Ketsji/KX_VisibilityActuator.cpp
Benoit Bolsee 0b8661ab4d BGE: Occlusion culling and other performance improvements.
Added occlusion culling capability in the BGE. 
More info: http://wiki.blender.org/index.php/Dev:Ref/Release_Notes/2.49/Game_Engine#BGE_Scenegraph_improvement
MSVC, scons, cmake, Makefile updated.

Other minor performance improvements:
- The rasterizer was computing the openGL model matrix of the objects too many times
- DBVT view frustrum culling was not properly culling behind the near plane:
  Large objects behind the camera were sent to the GPU
- Remove all references to mesh split/join feature as it is not yet functional
2009-04-13 20:08:33 +00:00

176 lines
4.1 KiB
C++

/*
* $Id$
*
* ***** 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.
*
* 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 *****
* Actuator to toggle visibility/invisibility of objects
*/
#include "KX_VisibilityActuator.h"
#include "KX_GameObject.h"
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
KX_VisibilityActuator::KX_VisibilityActuator(
SCA_IObject* gameobj,
bool visible,
bool occlusion,
bool recursive,
PyTypeObject* T
)
: SCA_IActuator(gameobj,T),
m_visible(visible),
m_occlusion(occlusion),
m_recursive(recursive)
{
// intentionally empty
}
KX_VisibilityActuator::~KX_VisibilityActuator(
void
)
{
// intentionally empty
}
CValue*
KX_VisibilityActuator::GetReplica(
void
)
{
KX_VisibilityActuator* replica = new KX_VisibilityActuator(*this);
replica->ProcessReplica();
// this will copy properties and so on...
CValue::AddDataToReplica(replica);
return replica;
}
bool
KX_VisibilityActuator::Update()
{
bool bNegativeEvent = IsNegativeEvent();
RemoveAllEvents();
if (bNegativeEvent) return false;
KX_GameObject *obj = (KX_GameObject*) GetParent();
obj->SetVisible(m_visible, m_recursive);
obj->SetOccluder(m_occlusion, m_recursive);
obj->UpdateBuckets(m_recursive);
return false;
}
/* ------------------------------------------------------------------------- */
/* Python functions */
/* ------------------------------------------------------------------------- */
/* Integration hooks ------------------------------------------------------- */
PyTypeObject KX_VisibilityActuator::Type = {
PyObject_HEAD_INIT(NULL)
0,
"KX_VisibilityActuator",
sizeof(KX_VisibilityActuator),
0,
PyDestructor,
0,
0,
0,
0,
py_base_repr,
0,0,0,0,0,0,
py_base_getattro,
py_base_setattro,
0,0,0,0,0,0,0,0,0,
Methods
};
PyParentObject
KX_VisibilityActuator::Parents[] = {
&KX_VisibilityActuator::Type,
&SCA_IActuator::Type,
&SCA_ILogicBrick::Type,
&CValue::Type,
NULL
};
PyMethodDef
KX_VisibilityActuator::Methods[] = {
// Deprecated ----->
{"set", (PyCFunction) KX_VisibilityActuator::sPySetVisible, METH_VARARGS,
(PY_METHODCHAR) SetVisible_doc},
// <-----
{NULL,NULL} //Sentinel
};
PyAttributeDef KX_VisibilityActuator::Attributes[] = {
KX_PYATTRIBUTE_BOOL_RW("visibility", KX_VisibilityActuator, m_visible),
KX_PYATTRIBUTE_BOOL_RW("occlusion", KX_VisibilityActuator, m_occlusion),
KX_PYATTRIBUTE_BOOL_RW("recursion", KX_VisibilityActuator, m_recursive),
{ NULL } //Sentinel
};
PyObject* KX_VisibilityActuator::py_getattro(PyObject *attr)
{
py_getattro_up(SCA_IActuator);
}
int KX_VisibilityActuator::py_setattro(PyObject *attr, PyObject *value)
{
py_setattro_up(SCA_IActuator);
}
/* set visibility ---------------------------------------------------------- */
const char
KX_VisibilityActuator::SetVisible_doc[] =
"setVisible(visible?)\n"
"\t - visible? : Make the object visible? (KX_TRUE, KX_FALSE)"
"\tSet the properties of the actuator.\n";
PyObject*
KX_VisibilityActuator::PySetVisible(PyObject* self,
PyObject* args,
PyObject* kwds) {
int vis;
ShowDeprecationWarning("SetVisible()", "the visible property");
if(!PyArg_ParseTuple(args, "i:setVisible", &vis)) {
return NULL;
}
m_visible = PyArgToBool(vis);
Py_RETURN_NONE;
}