KX_Scene.cpp

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/*
 * $Id: KX_Scene.cpp 36523 2011-05-06 20:18:42Z blendix $
 *
 * ***** 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 *****
 * Ketsji scene. Holds references to all scene data.
 */

#if defined(WIN32) && !defined(FREE_WINDOWS)
#pragma warning (disable : 4786)
#endif //WIN32

#include "KX_Scene.h"
#include "KX_PythonInit.h"
#include "MT_assert.h"
#include "KX_KetsjiEngine.h"
#include "KX_BlenderMaterial.h"
#include "RAS_IPolygonMaterial.h"
#include "ListValue.h"
#include "SCA_LogicManager.h"
#include "SCA_TimeEventManager.h"
//#include "SCA_AlwaysEventManager.h"
//#include "SCA_RandomEventManager.h"
//#include "KX_RayEventManager.h"
#include "KX_TouchEventManager.h"
#include "SCA_KeyboardManager.h"
#include "SCA_MouseManager.h"
//#include "SCA_PropertyEventManager.h"
#include "SCA_ActuatorEventManager.h"
#include "SCA_BasicEventManager.h"
#include "KX_Camera.h"
#include "SCA_JoystickManager.h"

#include "RAS_MeshObject.h"

#include "RAS_IRasterizer.h"
#include "RAS_BucketManager.h"

#include "FloatValue.h"
#include "SCA_IController.h"
#include "SCA_IActuator.h"
#include "SG_Node.h"
#include "BL_System.h"
#include "SG_Controller.h"
#include "SG_IObject.h"
#include "SG_Tree.h"
#include "DNA_group_types.h"
#include "DNA_scene_types.h"

#include "KX_SG_NodeRelationships.h"

#include "KX_NetworkEventManager.h"
#include "NG_NetworkScene.h"
#include "PHY_IPhysicsEnvironment.h"
#include "KX_IPhysicsController.h"
#include "PHY_IGraphicController.h"
#include "KX_BlenderSceneConverter.h"
#include "KX_MotionState.h"

#include "BL_ModifierDeformer.h"
#include "BL_ShapeDeformer.h"
#include "BL_DeformableGameObject.h"

#ifdef USE_BULLET
#include "KX_SoftBodyDeformer.h"
#include "KX_ConvertPhysicsObject.h"
#include "CcdPhysicsEnvironment.h"
#include "CcdPhysicsController.h"
#endif

#include "KX_Light.h"

#include <stdio.h>

void* KX_SceneReplicationFunc(SG_IObject* node,void* gameobj,void* scene)
{
        KX_GameObject* replica = ((KX_Scene*)scene)->AddNodeReplicaObject(node,(KX_GameObject*)gameobj);

        if(replica)
                replica->Release();

        return (void*)replica;
}

void* KX_SceneDestructionFunc(SG_IObject* node,void* gameobj,void* scene)
{
        ((KX_Scene*)scene)->RemoveNodeDestructObject(node,(KX_GameObject*)gameobj);

        return NULL;
};

bool KX_Scene::KX_ScenegraphUpdateFunc(SG_IObject* node,void* gameobj,void* scene)
{
        return ((SG_Node*)node)->Schedule(((KX_Scene*)scene)->m_sghead);
}

bool KX_Scene::KX_ScenegraphRescheduleFunc(SG_IObject* node,void* gameobj,void* scene)
{
        return ((SG_Node*)node)->Reschedule(((KX_Scene*)scene)->m_sghead);
}

SG_Callbacks KX_Scene::m_callbacks = SG_Callbacks(
        KX_SceneReplicationFunc,
        KX_SceneDestructionFunc,
        KX_GameObject::UpdateTransformFunc,
        KX_Scene::KX_ScenegraphUpdateFunc,
        KX_Scene::KX_ScenegraphRescheduleFunc);

// temporarily var until there is a button in the userinterface
// (defined in KX_PythonInit.cpp)
extern bool gUseVisibilityTemp;

KX_Scene::KX_Scene(class SCA_IInputDevice* keyboarddevice,
                                   class SCA_IInputDevice* mousedevice,
                                   class NG_NetworkDeviceInterface *ndi,
                                   const STR_String& sceneName,
                                   Scene *scene,
                                   class RAS_ICanvas* canvas): 
        PyObjectPlus(),
        m_keyboardmgr(NULL),
        m_mousemgr(NULL),
        m_sceneConverter(NULL),
        m_physicsEnvironment(0),
        m_sceneName(sceneName),
        m_networkDeviceInterface(ndi),
        m_active_camera(NULL),
        m_ueberExecutionPriority(0),
        m_blenderScene(scene)
{
        m_suspendedtime = 0.0;
        m_suspendeddelta = 0.0;

        m_dbvt_culling = false;
        m_dbvt_occlusion_res = 0;
        m_activity_culling = false;
        m_suspend = false;
        m_isclearingZbuffer = true;
        m_tempObjectList = new CListValue();
        m_objectlist = new CListValue();
        m_parentlist = new CListValue();
        m_lightlist= new CListValue();
        m_inactivelist = new CListValue();
        m_euthanasyobjects = new CListValue();

        m_logicmgr = new SCA_LogicManager();
        
        m_timemgr = new SCA_TimeEventManager(m_logicmgr);
        m_keyboardmgr = new SCA_KeyboardManager(m_logicmgr,keyboarddevice);
        m_mousemgr = new SCA_MouseManager(m_logicmgr,mousedevice, canvas);
        
        //SCA_AlwaysEventManager* alwaysmgr = new SCA_AlwaysEventManager(m_logicmgr);
        //SCA_PropertyEventManager* propmgr = new SCA_PropertyEventManager(m_logicmgr);
        SCA_ActuatorEventManager* actmgr = new SCA_ActuatorEventManager(m_logicmgr);
        //SCA_RandomEventManager* rndmgr = new SCA_RandomEventManager(m_logicmgr);
        SCA_BasicEventManager* basicmgr = new SCA_BasicEventManager(m_logicmgr);
        //KX_RayEventManager* raymgr = new KX_RayEventManager(m_logicmgr);

        KX_NetworkEventManager* netmgr = new KX_NetworkEventManager(m_logicmgr, ndi);
        
        

        //m_logicmgr->RegisterEventManager(alwaysmgr);
        //m_logicmgr->RegisterEventManager(propmgr);
        m_logicmgr->RegisterEventManager(actmgr);
        m_logicmgr->RegisterEventManager(m_keyboardmgr);
        m_logicmgr->RegisterEventManager(m_mousemgr);
        m_logicmgr->RegisterEventManager(m_timemgr);
        //m_logicmgr->RegisterEventManager(rndmgr);
        //m_logicmgr->RegisterEventManager(raymgr);
        m_logicmgr->RegisterEventManager(netmgr);
        m_logicmgr->RegisterEventManager(basicmgr);


        SYS_SystemHandle hSystem = SYS_GetSystem();
        bool nojoystick= SYS_GetCommandLineInt(hSystem,"nojoystick",0);
        if (!nojoystick)
        {
                SCA_JoystickManager *joymgr     = new SCA_JoystickManager(m_logicmgr);
                m_logicmgr->RegisterEventManager(joymgr);
        }

        MT_assert (m_networkDeviceInterface != NULL);
        m_networkScene = new NG_NetworkScene(m_networkDeviceInterface);
        
        m_rootnode = NULL;

        m_bucketmanager=new RAS_BucketManager();
        
#ifdef WITH_PYTHON
        m_attr_dict = PyDict_New(); /* new ref */
        m_draw_call_pre = NULL;
        m_draw_call_post = NULL;
#endif
}



KX_Scene::~KX_Scene()
{
        // The release of debug properties used to be in SCA_IScene::~SCA_IScene
        // It's still there but we remove all properties here otherwise some
        // reference might be hanging and causing late release of objects
        RemoveAllDebugProperties();

        while (GetRootParentList()->GetCount() > 0) 
        {
                KX_GameObject* parentobj = (KX_GameObject*) GetRootParentList()->GetValue(0);
                this->RemoveObject(parentobj);
        }

        if(m_objectlist)
                m_objectlist->Release();

        if (m_parentlist)
                m_parentlist->Release();
        
        if (m_inactivelist)
                m_inactivelist->Release();

        if (m_lightlist)
                m_lightlist->Release();
        
        if (m_tempObjectList)
                m_tempObjectList->Release();

        if (m_euthanasyobjects)
                m_euthanasyobjects->Release();

        if (m_logicmgr)
                delete m_logicmgr;

        if (m_physicsEnvironment)
                delete m_physicsEnvironment;

        if (m_networkScene)
                delete m_networkScene;
        
        if (m_bucketmanager)
        {
                delete m_bucketmanager;
        }

#ifdef WITH_PYTHON
        PyDict_Clear(m_attr_dict);
        /* Py_CLEAR: Py_DECREF's and NULL's */
        Py_CLEAR(m_attr_dict);

        /* these may be NULL but the macro checks */
        Py_CLEAR(m_draw_call_pre);
        Py_CLEAR(m_draw_call_post);
#endif
}

RAS_BucketManager* KX_Scene::GetBucketManager()
{
        return m_bucketmanager;
}


CListValue* KX_Scene::GetTempObjectList()
{
        return m_tempObjectList;
}

CListValue* KX_Scene::GetObjectList()
{
        return m_objectlist;
}


CListValue* KX_Scene::GetRootParentList()
{
        return m_parentlist;
}

CListValue* KX_Scene::GetInactiveList()
{
        return m_inactivelist;
}



CListValue* KX_Scene::GetLightList()
{
        return m_lightlist;
}

SCA_LogicManager* KX_Scene::GetLogicManager()
{
        return m_logicmgr;
}

SCA_TimeEventManager* KX_Scene::GetTimeEventManager()
{
        return m_timemgr;
}



 
list<class KX_Camera*>* KX_Scene::GetCameras()
{
        return &m_cameras;
}

list<class KX_FontObject*>* KX_Scene::GetFonts()
{
        return &m_fonts;
}

void KX_Scene::SetFramingType(RAS_FrameSettings & frame_settings)
{
        m_frame_settings = frame_settings;
};

const RAS_FrameSettings& KX_Scene::GetFramingType() const 
{
        return m_frame_settings;
};      



void KX_Scene::SetSceneViewport(const RAS_Rect &viewport)
{
        m_viewport = viewport;
}



const RAS_Rect& KX_Scene::GetSceneViewport() const 
{
        return m_viewport;
}



void KX_Scene::SetWorldInfo(class KX_WorldInfo* worldinfo)
{
        m_worldinfo = worldinfo;
}



class KX_WorldInfo* KX_Scene::GetWorldInfo()
{
        return m_worldinfo;
}


const STR_String& KX_Scene::GetName()
{
        return m_sceneName;
}


void KX_Scene::Suspend()
{
        m_suspend = true;
}

void KX_Scene::Resume()
{
        m_suspend = false;
}

void KX_Scene::SetActivityCulling(bool b)
{
        m_activity_culling = b;
}

bool KX_Scene::IsSuspended()
{
        return m_suspend;
}

bool KX_Scene::IsClearingZBuffer()
{
        return m_isclearingZbuffer;
}

void KX_Scene::EnableZBufferClearing(bool isclearingZbuffer)
{
        m_isclearingZbuffer = isclearingZbuffer;
}

void KX_Scene::RemoveNodeDestructObject(class SG_IObject* node,class CValue* gameobj)
{
        KX_GameObject* orgobj = (KX_GameObject*)gameobj;        
        if (NewRemoveObject(orgobj) != 0)
        {
                // object is not yet deleted because a reference is hanging somewhere.
                // This should not happen anymore since we use proxy object for Python
                // confident enough to put an assert?
                //assert(false);
                printf("Zombie object! name=%s\n", orgobj->GetName().ReadPtr());
                orgobj->SetSGNode(NULL);
                PHY_IGraphicController* ctrl = orgobj->GetGraphicController();
                if (ctrl)
                {
                        // a graphic controller is set, we must delete it as the node will be deleted
                        delete ctrl;
                        orgobj->SetGraphicController(NULL);
                }
        }
        if (node)
                delete node;
}

KX_GameObject* KX_Scene::AddNodeReplicaObject(class SG_IObject* node, class CValue* gameobj)
{
        // for group duplication, limit the duplication of the hierarchy to the
        // objects that are part of the group. 
        if (!IsObjectInGroup(gameobj))
                return NULL;
        
        KX_GameObject* orgobj = (KX_GameObject*)gameobj;
        KX_GameObject* newobj = (KX_GameObject*)orgobj->GetReplica();
        m_map_gameobject_to_replica.insert(orgobj, newobj);

        // also register 'timers' (time properties) of the replica
        int numprops = newobj->GetPropertyCount();

        for (int i = 0; i < numprops; i++)
        {
                CValue* prop = newobj->GetProperty(i);

                if (prop->GetProperty("timer"))
                        this->m_timemgr->AddTimeProperty(prop);
        }

        if (node)
        {
                newobj->SetSGNode((SG_Node*)node);
        }
        else
        {
                m_rootnode = new SG_Node(newobj,this,KX_Scene::m_callbacks);
        
                // this fixes part of the scaling-added object bug
                SG_Node* orgnode = orgobj->GetSGNode();
                m_rootnode->SetLocalScale(orgnode->GetLocalScale());
                m_rootnode->SetLocalPosition(orgnode->GetLocalPosition());
                m_rootnode->SetLocalOrientation(orgnode->GetLocalOrientation());

                // define the relationship between this node and it's parent.
                KX_NormalParentRelation * parent_relation = 
                        KX_NormalParentRelation::New();
                m_rootnode->SetParentRelation(parent_relation);

                newobj->SetSGNode(m_rootnode);
        }
        
        SG_IObject* replicanode = newobj->GetSGNode();
//      SG_Node* rootnode = (replicanode == m_rootnode ? NULL : m_rootnode);

        replicanode->SetSGClientObject(newobj);

        // this is the list of object that are send to the graphics pipeline
        m_objectlist->Add(newobj->AddRef());
        if (newobj->GetGameObjectType()==SCA_IObject::OBJ_LIGHT)
                m_lightlist->Add(newobj->AddRef());
        newobj->AddMeshUser();

        // logic cannot be replicated, until the whole hierarchy is replicated.
        m_logicHierarchicalGameObjects.push_back(newobj);
        //replicate controllers of this node
        SGControllerList        scenegraphcontrollers = orgobj->GetSGNode()->GetSGControllerList();
        replicanode->RemoveAllControllers();
        SGControllerList::iterator cit;
        //int numcont = scenegraphcontrollers.size();
        
        for (cit = scenegraphcontrollers.begin();!(cit==scenegraphcontrollers.end());++cit)
        {
                // controller replication is quite complicated
                // only replicate ipo and physics controller for now

                SG_Controller* replicacontroller = (*cit)->GetReplica((SG_Node*) replicanode);
                if (replicacontroller)
                {
                        replicacontroller->SetObject(replicanode);
                        replicanode->AddSGController(replicacontroller);
                }
        }
        // replicate graphic controller
        if (orgobj->GetGraphicController())
        {
                PHY_IMotionState* motionstate = new KX_MotionState(newobj->GetSGNode());
                PHY_IGraphicController* newctrl = orgobj->GetGraphicController()->GetReplica(motionstate);
                newctrl->setNewClientInfo(newobj->getClientInfo());
                newobj->SetGraphicController(newctrl);
        }
        return newobj;
}



// before calling this method KX_Scene::ReplicateLogic(), make sure to
// have called 'GameObject::ReParentLogic' for each object this
// hierarchy that's because first ALL bricks must exist in the new
// replica of the hierarchy in order to make cross-links work properly
// !
// It is VERY important that the order of sensors and actuators in
// the replicated object is preserved: it is used to reconnect the logic.
// This method is more robust then using the bricks name in case of complex 
// group replication. The replication of logic bricks is done in 
// SCA_IObject::ReParentLogic(), make sure it preserves the order of the bricks.
void KX_Scene::ReplicateLogic(KX_GameObject* newobj)
{
        // also relink the controller to sensors/actuators
        SCA_ControllerList& controllers = newobj->GetControllers();
        //SCA_SensorList&     sensors     = newobj->GetSensors();
        //SCA_ActuatorList&   actuators   = newobj->GetActuators();

        for (SCA_ControllerList::iterator itc = controllers.begin(); !(itc==controllers.end());itc++)
        {
                SCA_IController* cont = (*itc);
                cont->SetUeberExecutePriority(m_ueberExecutionPriority);
                vector<SCA_ISensor*> linkedsensors = cont->GetLinkedSensors();
                vector<SCA_IActuator*> linkedactuators = cont->GetLinkedActuators();

                // disconnect the sensors and actuators
                // do it directly on the list at this controller is not connected to anything at this stage
                cont->GetLinkedSensors().clear();
                cont->GetLinkedActuators().clear();
                
                // now relink each sensor
                for (vector<SCA_ISensor*>::iterator its = linkedsensors.begin();!(its==linkedsensors.end());its++)
                {
                        SCA_ISensor* oldsensor = (*its);
                        SCA_IObject* oldsensorobj = oldsensor->GetParent();
                        SCA_IObject* newsensorobj = NULL;
                
                        // the original owner of the sensor has been replicated?
                        void **h_obj = m_map_gameobject_to_replica[oldsensorobj];
                        if (h_obj)
                                newsensorobj = (SCA_IObject*)(*h_obj);
                        if (!newsensorobj)
                        {
                                // no, then the sensor points outside the hierachy, keep it the same
                                if (m_objectlist->SearchValue(oldsensorobj))
                                        // only replicate links that points to active objects
                                        m_logicmgr->RegisterToSensor(cont,oldsensor);
                        }
                        else
                        {
                                // yes, then the new sensor has the same position
                                SCA_SensorList& sensorlist = oldsensorobj->GetSensors();
                                SCA_SensorList::iterator sit;
                                SCA_ISensor* newsensor = NULL;
                                int sensorpos;

                                for (sensorpos=0, sit=sensorlist.begin(); sit!=sensorlist.end(); sit++, sensorpos++)
                                {
                                        if ((*sit) == oldsensor) 
                                        {
                                                newsensor = newsensorobj->GetSensors().at(sensorpos);
                                                break;
                                        }
                                }
                                assert(newsensor != NULL);
                                m_logicmgr->RegisterToSensor(cont,newsensor);
                        }
                }
                
                // now relink each actuator
                for (vector<SCA_IActuator*>::iterator ita = linkedactuators.begin();!(ita==linkedactuators.end());ita++)
                {
                        SCA_IActuator* oldactuator = (*ita);
                        SCA_IObject* oldactuatorobj = oldactuator->GetParent();
                        SCA_IObject* newactuatorobj = NULL;

                        // the original owner of the sensor has been replicated?
                        void **h_obj = m_map_gameobject_to_replica[oldactuatorobj];
                        if (h_obj)
                                newactuatorobj = (SCA_IObject*)(*h_obj);

                        if (!newactuatorobj)
                        {
                                // no, then the sensor points outside the hierachy, keep it the same
                                if (m_objectlist->SearchValue(oldactuatorobj))
                                        // only replicate links that points to active objects
                                        m_logicmgr->RegisterToActuator(cont,oldactuator);
                        }
                        else
                        {
                                // yes, then the new sensor has the same position
                                SCA_ActuatorList& actuatorlist = oldactuatorobj->GetActuators();
                                SCA_ActuatorList::iterator ait;
                                SCA_IActuator* newactuator = NULL;
                                int actuatorpos;

                                for (actuatorpos=0, ait=actuatorlist.begin(); ait!=actuatorlist.end(); ait++, actuatorpos++)
                                {
                                        if ((*ait) == oldactuator) 
                                        {
                                                newactuator = newactuatorobj->GetActuators().at(actuatorpos);
                                                break;
                                        }
                                }
                                assert(newactuator != NULL);
                                m_logicmgr->RegisterToActuator(cont,newactuator);
                                newactuator->SetUeberExecutePriority(m_ueberExecutionPriority);
                        }
                }
        }
        // ready to set initial state
        newobj->ResetState();
}

void KX_Scene::DupliGroupRecurse(CValue* obj, int level)
{
        KX_GameObject* groupobj = (KX_GameObject*) obj;
        KX_GameObject* replica;
        KX_GameObject* gameobj;
        Object* blgroupobj = groupobj->GetBlenderObject();
        Group* group;
        GroupObject *go;
        vector<KX_GameObject*> duplilist;

        if (!groupobj->GetSGNode() ||
                !groupobj->IsDupliGroup() ||
                level>MAX_DUPLI_RECUR)
                return;

        // we will add one group at a time
        m_logicHierarchicalGameObjects.clear();
        m_map_gameobject_to_replica.clear();
        m_ueberExecutionPriority++;
        // for groups will do something special: 
        // we will force the creation of objects to those in the group only
        // Again, this is match what Blender is doing (it doesn't care of parent relationship)
        m_groupGameObjects.clear();

        group = blgroupobj->dup_group;
        for(go=(GroupObject*)group->gobject.first; go; go=(GroupObject*)go->next) 
        {
                Object* blenderobj = go->ob;
                if (blgroupobj == blenderobj)
                        // this check is also in group_duplilist()
                        continue;

                gameobj = (KX_GameObject*)m_logicmgr->FindGameObjByBlendObj(blenderobj);
                if (gameobj == NULL) 
                {
                        // this object has not been converted!!!
                        // Should not happen as dupli group are created automatically 
                        continue;
                }

                gameobj->SetBlenderGroupObject(blgroupobj);

                if ((blenderobj->lay & group->layer)==0)
                {
                        // object is not visible in the 3D view, will not be instantiated
                        continue;
                }
                m_groupGameObjects.insert(gameobj);
        }

        set<CValue*>::iterator oit;
        for (oit=m_groupGameObjects.begin(); oit != m_groupGameObjects.end(); oit++)
        {
                gameobj = (KX_GameObject*)(*oit);

                KX_GameObject *parent = gameobj->GetParent();
                if (parent != NULL)
                {
                        parent->Release(); // GetParent() increased the refcount

                        // this object is not a top parent. Either it is the child of another
                        // object in the group and it will be added automatically when the parent
                        // is added. Or it is the child of an object outside the group and the group
                        // is inconsistent, skip it anyway
                        continue;
                }
                replica = (KX_GameObject*) AddNodeReplicaObject(NULL,gameobj);
                // add to 'rootparent' list (this is the list of top hierarchy objects, updated each frame)
                m_parentlist->Add(replica->AddRef());

                // recurse replication into children nodes
                NodeList& children = gameobj->GetSGNode()->GetSGChildren();

                replica->GetSGNode()->ClearSGChildren();
                for (NodeList::iterator childit = children.begin();!(childit==children.end());++childit)
                {
                        SG_Node* orgnode = (*childit);
                        SG_Node* childreplicanode = orgnode->GetSGReplica();
                        if (childreplicanode)
                                replica->GetSGNode()->AddChild(childreplicanode);
                }
                // don't replicate logic now: we assume that the objects in the group can have
                // logic relationship, even outside parent relationship
                // In order to match 3D view, the position of groupobj is used as a 
                // transformation matrix instead of the new position. This means that 
                // the group reference point is 0,0,0

                // get the rootnode's scale
                MT_Vector3 newscale = groupobj->NodeGetWorldScaling();
                // set the replica's relative scale with the rootnode's scale
                replica->NodeSetRelativeScale(newscale);

                MT_Point3 offset(group->dupli_ofs);
                MT_Point3 newpos = groupobj->NodeGetWorldPosition() + 
                        newscale*(groupobj->NodeGetWorldOrientation() * (gameobj->NodeGetWorldPosition()-offset));
                replica->NodeSetLocalPosition(newpos);
                // set the orientation after position for softbody!
                MT_Matrix3x3 newori = groupobj->NodeGetWorldOrientation() * gameobj->NodeGetWorldOrientation();
                replica->NodeSetLocalOrientation(newori);
                // update scenegraph for entire tree of children
                replica->GetSGNode()->UpdateWorldData(0);
                replica->GetSGNode()->SetBBox(gameobj->GetSGNode()->BBox());
                replica->GetSGNode()->SetRadius(gameobj->GetSGNode()->Radius());
                // we can now add the graphic controller to the physic engine
                replica->ActivateGraphicController(true);

                // done with replica
                replica->Release();
        }

        // the logic must be replicated first because we need
        // the new logic bricks before relinking
        vector<KX_GameObject*>::iterator git;
        for (git = m_logicHierarchicalGameObjects.begin();!(git==m_logicHierarchicalGameObjects.end());++git)
        {
                (*git)->ReParentLogic();
        }
        
        //      relink any pointers as necessary, sort of a temporary solution
        for (git = m_logicHierarchicalGameObjects.begin();!(git==m_logicHierarchicalGameObjects.end());++git)
        {
                // this will also relink the actuator to objects within the hierarchy
                (*git)->Relink(&m_map_gameobject_to_replica);
                // add the object in the layer of the parent
                (*git)->SetLayer(groupobj->GetLayer());
                // If the object was a light, we need to update it's RAS_LightObject as well
                if ((*git)->GetGameObjectType()==SCA_IObject::OBJ_LIGHT)
                {
                        KX_LightObject* lightobj = static_cast<KX_LightObject*>(*git);
                        lightobj->GetLightData()->m_layer = groupobj->GetLayer();
                }
        }

        // replicate crosslinks etc. between logic bricks
        for (git = m_logicHierarchicalGameObjects.begin();!(git==m_logicHierarchicalGameObjects.end());++git)
        {
                ReplicateLogic((*git));
        }
        
        // now look if object in the hierarchy have dupli group and recurse
        for (git = m_logicHierarchicalGameObjects.begin();!(git==m_logicHierarchicalGameObjects.end());++git)
        {
                if ((*git) != groupobj && (*git)->IsDupliGroup())
                        // can't instantiate group immediately as it destroys m_logicHierarchicalGameObjects
                        duplilist.push_back((*git));
        }

        for (git = duplilist.begin(); !(git == duplilist.end()); ++git)
        {
                DupliGroupRecurse((*git), level+1);
        }
}


SCA_IObject* KX_Scene::AddReplicaObject(class CValue* originalobject,
                                                                                class CValue* parentobject,
                                                                                int lifespan)
{

        m_logicHierarchicalGameObjects.clear();
        m_map_gameobject_to_replica.clear();
        m_groupGameObjects.clear();

        // todo: place a timebomb in the object, for temporarily objects :)
        // lifespan of zero means 'this object lives forever'
        KX_GameObject* originalobj = (KX_GameObject*) originalobject;
        KX_GameObject* parentobj = (KX_GameObject*) parentobject;

        m_ueberExecutionPriority++;

        // lets create a replica
        KX_GameObject* replica = (KX_GameObject*) AddNodeReplicaObject(NULL,originalobj);

        if (lifespan > 0)
        {
                // add a timebomb to this object
                // for now, convert between so called frames and realtime
                m_tempObjectList->Add(replica->AddRef());
                // this convert the life from frames to sort-of seconds, hard coded 0.02 that assumes we have 50 frames per second
                // if you change this value, make sure you change it in KX_GameObject::pyattr_get_life property too
                CValue *fval = new CFloatValue(lifespan*0.02);
                replica->SetProperty("::timebomb",fval);
                fval->Release();
        }

        // add to 'rootparent' list (this is the list of top hierarchy objects, updated each frame)
        m_parentlist->Add(replica->AddRef());

        // recurse replication into children nodes

        NodeList& children = originalobj->GetSGNode()->GetSGChildren();

        replica->GetSGNode()->ClearSGChildren();
        for (NodeList::iterator childit = children.begin();!(childit==children.end());++childit)
        {
                SG_Node* orgnode = (*childit);
                SG_Node* childreplicanode = orgnode->GetSGReplica();
                if (childreplicanode)
                        replica->GetSGNode()->AddChild(childreplicanode);
        }

        // At this stage all the objects in the hierarchy have been duplicated,
        // we can update the scenegraph, we need it for the duplication of logic
        MT_Point3 newpos = ((KX_GameObject*) parentobject)->NodeGetWorldPosition();
        replica->NodeSetLocalPosition(newpos);

        MT_Matrix3x3 newori = ((KX_GameObject*) parentobject)->NodeGetWorldOrientation();
        replica->NodeSetLocalOrientation(newori);
        
        // get the rootnode's scale
        MT_Vector3 newscale = parentobj->GetSGNode()->GetRootSGParent()->GetLocalScale();

        // set the replica's relative scale with the rootnode's scale
        replica->NodeSetRelativeScale(newscale);

        replica->GetSGNode()->UpdateWorldData(0);
        replica->GetSGNode()->SetBBox(originalobj->GetSGNode()->BBox());
        replica->GetSGNode()->SetRadius(originalobj->GetSGNode()->Radius());
        // the size is correct, we can add the graphic controller to the physic engine
        replica->ActivateGraphicController(true);

        // now replicate logic
        vector<KX_GameObject*>::iterator git;
        for (git = m_logicHierarchicalGameObjects.begin();!(git==m_logicHierarchicalGameObjects.end());++git)
        {
                (*git)->ReParentLogic();
        }
        
        //      relink any pointers as necessary, sort of a temporary solution
        for (git = m_logicHierarchicalGameObjects.begin();!(git==m_logicHierarchicalGameObjects.end());++git)
        {
                // this will also relink the actuators in the hierarchy
                (*git)->Relink(&m_map_gameobject_to_replica);
                // add the object in the layer of the parent
                (*git)->SetLayer(parentobj->GetLayer());
                // If the object was a light, we need to update it's RAS_LightObject as well
                if ((*git)->GetGameObjectType()==SCA_IObject::OBJ_LIGHT)
                {
                        KX_LightObject* lightobj = static_cast<KX_LightObject*>(*git);
                        lightobj->GetLightData()->m_layer = parentobj->GetLayer();
                }
        }

        // replicate crosslinks etc. between logic bricks
        for (git = m_logicHierarchicalGameObjects.begin();!(git==m_logicHierarchicalGameObjects.end());++git)
        {
                ReplicateLogic((*git));
        }
        
        // check if there are objects with dupligroup in the hierarchy
        vector<KX_GameObject*> duplilist;
        for (git = m_logicHierarchicalGameObjects.begin();!(git==m_logicHierarchicalGameObjects.end());++git)
        {
                if ((*git)->IsDupliGroup())
                {
                        // separate list as m_logicHierarchicalGameObjects is also used by DupliGroupRecurse()
                        duplilist.push_back(*git);
                }
        }
        for (git = duplilist.begin();!(git==duplilist.end());++git)
        {
                DupliGroupRecurse(*git, 0);
        }
        //      don't release replica here because we are returning it, not done with it...
        return replica;
}



void KX_Scene::RemoveObject(class CValue* gameobj)
{
        KX_GameObject* newobj = (KX_GameObject*) gameobj;

        // disconnect child from parent
        SG_Node* node = newobj->GetSGNode();

        if (node)
        {
                node->DisconnectFromParent();

                // recursively destruct
                node->Destruct();
        }
        //no need to do that: the object is destroyed and memory released 
        //newobj->SetSGNode(0);
}

void KX_Scene::DelayedRemoveObject(class CValue* gameobj)
{
        //KX_GameObject* newobj = (KX_GameObject*) gameobj;
        if (!m_euthanasyobjects->SearchValue(gameobj))
        {
                m_euthanasyobjects->Add(gameobj->AddRef());
        } 
}



int KX_Scene::NewRemoveObject(class CValue* gameobj)
{
        int ret;
        KX_GameObject* newobj = (KX_GameObject*) gameobj;

        /* Invalidate the python reference, since the object may exist in script lists
         * its possible that it wont be automatically invalidated, so do it manually here,
         * 
         * if for some reason the object is added back into the scene python can always get a new Proxy
         */
        newobj->InvalidateProxy();

        // keep the blender->game object association up to date
        // note that all the replicas of an object will have the same
        // blender object, that's why we need to check the game object
        // as only the deletion of the original object must be recorded
        m_logicmgr->UnregisterGameObj(newobj->GetBlenderObject(), gameobj);

        //todo: look at this
        //GetPhysicsEnvironment()->RemovePhysicsController(gameobj->getPhysicsController());

        // remove all sensors/controllers/actuators from logicsystem...
        
        SCA_SensorList& sensors = newobj->GetSensors();
        for (SCA_SensorList::iterator its = sensors.begin();
                 !(its==sensors.end());its++)
        {
                m_logicmgr->RemoveSensor(*its);
        }

        SCA_ControllerList& controllers = newobj->GetControllers();
        for (SCA_ControllerList::iterator itc = controllers.begin();
                 !(itc==controllers.end());itc++)
        {
                m_logicmgr->RemoveController(*itc);
        }

        SCA_ActuatorList& actuators = newobj->GetActuators();
        for (SCA_ActuatorList::iterator ita = actuators.begin();
                 !(ita==actuators.end());ita++)
        {
                m_logicmgr->RemoveActuator(*ita);
        }
        // the sensors/controllers/actuators must also be released, this is done in ~SCA_IObject

        // now remove the timer properties from the time manager
        int numprops = newobj->GetPropertyCount();

        for (int i = 0; i < numprops; i++)
        {
                CValue* propval = newobj->GetProperty(i);
                if (propval->GetProperty("timer"))
                {
                        m_timemgr->RemoveTimeProperty(propval);
                }
        }
        
        newobj->RemoveMeshes();
        ret = 1;
        if (newobj->GetGameObjectType()==SCA_IObject::OBJ_LIGHT && m_lightlist->RemoveValue(newobj))
                ret = newobj->Release();
        if (m_objectlist->RemoveValue(newobj))
                ret = newobj->Release();
        if (m_tempObjectList->RemoveValue(newobj))
                ret = newobj->Release();
        if (m_parentlist->RemoveValue(newobj))
                ret = newobj->Release();
        if (m_inactivelist->RemoveValue(newobj))
                ret = newobj->Release();
        if (m_euthanasyobjects->RemoveValue(newobj))
                ret = newobj->Release();
                
        if (newobj == m_active_camera)
        {
                //no AddRef done on m_active_camera so no Release
                //m_active_camera->Release();
                m_active_camera = NULL;
        }

        // in case this is a camera
        m_cameras.remove((KX_Camera*)newobj);

        // in case this is a font
        m_fonts.remove((KX_FontObject*)newobj);

        /* currently does nothing, keep incase we need to Unregister something */
#if 0
        if (m_sceneConverter)
                m_sceneConverter->UnregisterGameObject(newobj);
#endif
        
        // return value will be 0 if the object is actually deleted (all reference gone)
        
        return ret;
}



void KX_Scene::ReplaceMesh(class CValue* obj,void* meshobj, bool use_gfx, bool use_phys)
{
        KX_GameObject* gameobj = static_cast<KX_GameObject*>(obj);
        RAS_MeshObject* mesh = static_cast<RAS_MeshObject*>(meshobj);

        if(!gameobj) {
                std::cout << "KX_Scene::ReplaceMesh Warning: invalid object, doing nothing" << std::endl;
                return;
        }

        if(use_gfx && mesh != NULL)
        {               
        gameobj->RemoveMeshes();
        gameobj->AddMesh(mesh);
        
        if (gameobj->m_isDeformable)
        {
                BL_DeformableGameObject* newobj = static_cast<BL_DeformableGameObject*>( gameobj );
                
                if (newobj->GetDeformer())
                {
                        delete newobj->GetDeformer();
                        newobj->SetDeformer(NULL);
                }

                if (mesh->GetMesh()) 
                {
                        // we must create a new deformer but which one?
                        KX_GameObject* parentobj = newobj->GetParent();
                        // this always return the original game object (also for replicate)
                        Object* blendobj = newobj->GetBlenderObject();
                        // object that owns the new mesh
                        Object* oldblendobj = static_cast<struct Object*>(m_logicmgr->FindBlendObjByGameMeshName(mesh->GetName()));
                        Mesh* blendmesh = mesh->GetMesh();

                        bool bHasModifier = BL_ModifierDeformer::HasCompatibleDeformer(blendobj);
                        bool bHasShapeKey = blendmesh->key != NULL && blendmesh->key->type==KEY_RELATIVE;
                        bool bHasDvert = blendmesh->dvert != NULL;
                        bool bHasArmature = 
                                BL_ModifierDeformer::HasArmatureDeformer(blendobj) &&
                                parentobj &&                                                            // current parent is armature
                                parentobj->GetGameObjectType() == SCA_IObject::OBJ_ARMATURE &&
                                oldblendobj &&                                                          // needed for mesh deform
                                blendobj->parent &&                                                     // original object had armature (not sure this test is needed)
                                blendobj->parent->type == OB_ARMATURE &&
                                blendmesh->dvert!=NULL;                                         // mesh has vertex group
#ifdef USE_BULLET
                        bool bHasSoftBody = (!parentobj && (blendobj->gameflag & OB_SOFT_BODY));
#endif
                        bool releaseParent = true;

                        
                        if (oldblendobj==NULL) {
                                if (bHasModifier || bHasShapeKey || bHasDvert || bHasArmature) {
                                        std::cout << "warning: ReplaceMesh() new mesh is not used in an object from the current scene, you will get incorrect behavior" << std::endl;
                                        bHasShapeKey= bHasDvert= bHasArmature=bHasModifier= false;
                                }
                        }
                        
                        if (bHasModifier)
                        {
                                BL_ModifierDeformer* modifierDeformer;
                                if (bHasShapeKey || bHasArmature)
                                {
                                        modifierDeformer = new BL_ModifierDeformer(
                                                newobj,
                                                m_blenderScene,
                                                oldblendobj, blendobj,
                                                mesh,
                                                true,
                                                static_cast<BL_ArmatureObject*>( parentobj )
                                        );
                                        releaseParent= false;
                                        modifierDeformer->LoadShapeDrivers(blendobj->parent);
                                }
                                else
                                {
                                        modifierDeformer = new BL_ModifierDeformer(
                                                newobj,
                                                m_blenderScene,
                                                oldblendobj, blendobj,
                                                mesh,
                                                false,
                                                NULL
                                        );
                                }
                                newobj->SetDeformer(modifierDeformer);
                        } 
                        else    if (bHasShapeKey)
                        {
                                BL_ShapeDeformer* shapeDeformer;
                                if (bHasArmature) 
                                {
                                        shapeDeformer = new BL_ShapeDeformer(
                                                newobj,
                                                oldblendobj, blendobj,
                                                mesh,
                                                true,
                                                true,
                                                static_cast<BL_ArmatureObject*>( parentobj )
                                        );
                                        releaseParent= false;
                                        shapeDeformer->LoadShapeDrivers(blendobj->parent);
                                }
                                else
                                {
                                        shapeDeformer = new BL_ShapeDeformer(
                                                newobj,
                                                oldblendobj, blendobj,
                                                mesh,
                                                false,
                                                true,
                                                NULL
                                        );
                                }
                                newobj->SetDeformer( shapeDeformer);
                        }
                        else if (bHasArmature) 
                        {
                                BL_SkinDeformer* skinDeformer = new BL_SkinDeformer(
                                        newobj,
                                        oldblendobj, blendobj,
                                        mesh,
                                        true,
                                        true,
                                        static_cast<BL_ArmatureObject*>( parentobj )
                                );
                                releaseParent= false;
                                newobj->SetDeformer(skinDeformer);
                        }
                        else if (bHasDvert)
                        {
                                BL_MeshDeformer* meshdeformer = new BL_MeshDeformer(
                                        newobj, oldblendobj, mesh
                                );
                                newobj->SetDeformer(meshdeformer);
                        }
#ifdef USE_BULLET
                        else if (bHasSoftBody)
                        {
                                KX_SoftBodyDeformer *softdeformer = new KX_SoftBodyDeformer(mesh, newobj);
                                newobj->SetDeformer(softdeformer);
                        }
#endif

                        // release parent reference if its not being used 
                        if( releaseParent && parentobj)
                                parentobj->Release();
                }
        }

        gameobj->AddMeshUser();
        }

#ifdef USE_BULLET
        if(use_phys) { /* update the new assigned mesh with the physics mesh */
                KX_ReInstanceBulletShapeFromMesh(gameobj, NULL, use_gfx?NULL:mesh);
        }
#endif
}

/* Font Object routines */
void KX_Scene::AddFont(KX_FontObject* font)
{
        if (!FindFont(font))
                m_fonts.push_back(font);
}

KX_FontObject* KX_Scene::FindFont(KX_FontObject* font)
{
        list<KX_FontObject*>::iterator it = m_fonts.begin();

        while ( (it != m_fonts.end()) 
                        && ((*it) != font) ) {
          ++it;
        }

        return ((it == m_fonts.end()) ? NULL : (*it));
}


/* Camera Object routines */
KX_Camera* KX_Scene::FindCamera(KX_Camera* cam)
{
        list<KX_Camera*>::iterator it = m_cameras.begin();

        while ( (it != m_cameras.end()) 
                        && ((*it) != cam) ) {
          it++;
        }

        return ((it == m_cameras.end()) ? NULL : (*it));
}


KX_Camera* KX_Scene::FindCamera(STR_String& name)
{
        list<KX_Camera*>::iterator it = m_cameras.begin();

        while ( (it != m_cameras.end()) 
                        && ((*it)->GetName() != name) ) {
          it++;
        }

        return ((it == m_cameras.end()) ? NULL : (*it));
}

void KX_Scene::AddCamera(KX_Camera* cam)
{
        if (!FindCamera(cam))
                m_cameras.push_back(cam);
}


KX_Camera* KX_Scene::GetActiveCamera()
{       
        // NULL if not defined
        return m_active_camera;
}


void KX_Scene::SetActiveCamera(KX_Camera* cam)
{
        // only set if the cam is in the active list? Or add it otherwise?
        if (!FindCamera(cam)){
                AddCamera(cam);
                if (cam) std::cout << "Added cam " << cam->GetName() << std::endl;
        } 

        m_active_camera = cam;
}

void KX_Scene::SetCameraOnTop(KX_Camera* cam)
{
        if (!FindCamera(cam)){
                // adding is always done at the back, so that's all that needs to be done
                AddCamera(cam);
                if (cam) std::cout << "Added cam " << cam->GetName() << std::endl;
        } else {
                m_cameras.remove(cam);
                m_cameras.push_back(cam);
        }
}


void KX_Scene::UpdateMeshTransformations()
{
        // do this incrementally in the future
        for (int i = 0; i < m_objectlist->GetCount(); i++)
        {
                KX_GameObject* gameobj = (KX_GameObject*)m_objectlist->GetValue(i);
                gameobj->GetOpenGLMatrix();
        }
}

void KX_Scene::MarkVisible(SG_Tree *node, RAS_IRasterizer* rasty, KX_Camera* cam, int layer)
{
        int intersect = KX_Camera::INTERSECT;
        KX_GameObject *gameobj = node->Client()?(KX_GameObject*) node->Client()->GetSGClientObject():NULL;
        bool visible = (gameobj && gameobj->GetVisible() && (!layer || (gameobj->GetLayer() & layer)));
        bool dotest = visible || node->Left() || node->Right();

        /* If the camera is inside the box, assume intersect. */
        if (dotest && !node->inside( cam->NodeGetWorldPosition()))
        {
                MT_Scalar radius = node->Radius();
                MT_Point3 center = node->Center();
                
                intersect =  cam->SphereInsideFrustum(center, radius); 
                
                if (intersect == KX_Camera::INTERSECT)
                {
                        MT_Point3 box[8];
                        node->get(box);
                        intersect = cam->BoxInsideFrustum(box);
                }
        }

        switch (intersect)
        {
                case KX_Camera::OUTSIDE:
                        MarkSubTreeVisible(node, rasty, false, cam);
                        break;
                case KX_Camera::INTERSECT:
                        if (gameobj)
                                MarkVisible(rasty, gameobj, cam, layer);
                        if (node->Left())
                                MarkVisible(node->Left(), rasty, cam, layer);
                        if (node->Right())
                                MarkVisible(node->Right(), rasty, cam, layer);
                        break;
                case KX_Camera::INSIDE:
                        MarkSubTreeVisible(node, rasty, true, cam, layer);
                        break;
        }
}

void KX_Scene::MarkSubTreeVisible(SG_Tree *node, RAS_IRasterizer* rasty, bool visible, KX_Camera* cam, int layer)
{
        if (node->Client())
        {
                KX_GameObject *gameobj = (KX_GameObject*) node->Client()->GetSGClientObject();
                if (gameobj->GetVisible())
                {
                        if (visible)
                        {
                                int nummeshes = gameobj->GetMeshCount();
                                
                                // this adds the vertices to the display list
                                for (int m=0;m<nummeshes;m++)
                                        (gameobj->GetMesh(m))->SchedulePolygons(rasty->GetDrawingMode());
                        }

                        gameobj->SetCulled(!visible);
                        gameobj->UpdateBuckets(false);
                }
        }
        if (node->Left())
                MarkSubTreeVisible(node->Left(), rasty, visible, cam, layer);
        if (node->Right())
                MarkSubTreeVisible(node->Right(), rasty, visible, cam, layer);
}

void KX_Scene::MarkVisible(RAS_IRasterizer* rasty, KX_GameObject* gameobj,KX_Camera*  cam,int layer)
{
        // User (Python/Actuator) has forced object invisible...
        if (!gameobj->GetSGNode() || !gameobj->GetVisible())
                return;
        
        // Shadow lamp layers
        if(layer && !(gameobj->GetLayer() & layer)) {
                gameobj->SetCulled(true);
                gameobj->UpdateBuckets(false);
                return;
        }

        // If Frustum culling is off, the object is always visible.
        bool vis = !cam->GetFrustumCulling();
        
        // If the camera is inside this node, then the object is visible.
        if (!vis)
        {
                vis = gameobj->GetSGNode()->inside( cam->GetCameraLocation() );
        }
                
        // Test the object's bound sphere against the view frustum.
        if (!vis)
        {
                MT_Vector3 scale = gameobj->GetSGNode()->GetWorldScaling();
                MT_Scalar radius = fabs(scale[scale.closestAxis()] * gameobj->GetSGNode()->Radius());
                switch (cam->SphereInsideFrustum(gameobj->NodeGetWorldPosition(), radius))
                {
                        case KX_Camera::INSIDE:
                                vis = true;
                                break;
                        case KX_Camera::OUTSIDE:
                                vis = false;
                                break;
                        case KX_Camera::INTERSECT:
                                // Test the object's bound box against the view frustum.
                                MT_Point3 box[8];
                                gameobj->GetSGNode()->getBBox(box); 
                                vis = cam->BoxInsideFrustum(box) != KX_Camera::OUTSIDE;
                                break;
                }
        }
        
        if (vis)
        {
                int nummeshes = gameobj->GetMeshCount();
                
                for (int m=0;m<nummeshes;m++)
                {
                        // this adds the vertices to the display list
                        (gameobj->GetMesh(m))->SchedulePolygons(rasty->GetDrawingMode());
                }
                // Visibility/ non-visibility are marked
                // elsewhere now.
                gameobj->SetCulled(false);
                gameobj->UpdateBuckets(false);
        } else {
                gameobj->SetCulled(true);
                gameobj->UpdateBuckets(false);
        }
}

void KX_Scene::PhysicsCullingCallback(KX_ClientObjectInfo* objectInfo, void* cullingInfo)
{
        KX_GameObject* gameobj = objectInfo->m_gameobject;
        if (!gameobj->GetVisible())
                // ideally, invisible objects should be removed from the culling tree temporarily
                return;
        if(((CullingInfo*)cullingInfo)->m_layer && !(gameobj->GetLayer() & ((CullingInfo*)cullingInfo)->m_layer))
                // used for shadow: object is not in shadow layer
                return;

        // make object visible
        gameobj->SetCulled(false);
        gameobj->UpdateBuckets(false);
}

void KX_Scene::CalculateVisibleMeshes(RAS_IRasterizer* rasty,KX_Camera* cam, int layer)
{
        bool dbvt_culling = false;
        if (m_dbvt_culling) 
        {
                // test culling through Bullet
                PHY__Vector4 planes[6];
                // get the clip planes
                MT_Vector4* cplanes = cam->GetNormalizedClipPlanes();
                // and convert
                planes[0].setValue(cplanes[4].getValue());      // near
                planes[1].setValue(cplanes[5].getValue());      // far
                planes[2].setValue(cplanes[0].getValue());      // left
                planes[3].setValue(cplanes[1].getValue());      // right
                planes[4].setValue(cplanes[2].getValue());      // top
                planes[5].setValue(cplanes[3].getValue());      // bottom
                CullingInfo info(layer);
                dbvt_culling = m_physicsEnvironment->cullingTest(PhysicsCullingCallback,&info,planes,5,m_dbvt_occlusion_res);
        }
        if (!dbvt_culling) {
                // the physics engine couldn't help us, do it the hard way
                for (int i = 0; i < m_objectlist->GetCount(); i++)
                {
                        MarkVisible(rasty, static_cast<KX_GameObject*>(m_objectlist->GetValue(i)), cam, layer);
                }
        }
}

// logic stuff
void KX_Scene::LogicBeginFrame(double curtime)
{
        // have a look at temp objects ...
        int lastobj = m_tempObjectList->GetCount() - 1;
        
        for (int i = lastobj; i >= 0; i--)
        {
                CValue* objval = m_tempObjectList->GetValue(i);
                CFloatValue* propval = (CFloatValue*) objval->GetProperty("::timebomb");
                
                if (propval)
                {
                        float timeleft = propval->GetNumber() - 1.0/KX_KetsjiEngine::GetTicRate();
                        
                        if (timeleft > 0)
                        {
                                propval->SetFloat(timeleft);
                        }
                        else
                        {
                                DelayedRemoveObject(objval);
                                // remove obj
                        }
                }
                else
                {
                        // all object is the tempObjectList should have a clock
                }
        }
        m_logicmgr->BeginFrame(curtime, 1.0/KX_KetsjiEngine::GetTicRate());
}



void KX_Scene::LogicUpdateFrame(double curtime, bool frame)
{
        m_logicmgr->UpdateFrame(curtime, frame);
}



void KX_Scene::LogicEndFrame()
{
        m_logicmgr->EndFrame();
        int numobj;

        KX_GameObject* obj;

        while ((numobj = m_euthanasyobjects->GetCount()) > 0)
        {
                // remove the object from this list to make sure we will not hit it again
                obj = (KX_GameObject*)m_euthanasyobjects->GetValue(numobj-1);
                m_euthanasyobjects->Remove(numobj-1);
                obj->Release();
                RemoveObject(obj);
        }
}



void KX_Scene::UpdateParents(double curtime)
{
        // we use the SG dynamic list
        SG_Node* node;

        while ((node = SG_Node::GetNextScheduled(m_sghead)) != NULL)
        {
                node->UpdateWorldData(curtime);
        }

        //for (int i=0; i<GetRootParentList()->GetCount(); i++)
        //{
        //      KX_GameObject* parentobj = (KX_GameObject*)GetRootParentList()->GetValue(i);
        //      parentobj->NodeUpdateGS(curtime);
        //}

        // the list must be empty here
        assert(m_sghead.Empty());
        // some nodes may be ready for reschedule, move them to schedule list for next time
        while ((node = SG_Node::GetNextRescheduled(m_sghead)) != NULL)
        {
                node->Schedule(m_sghead);
        }
}


RAS_MaterialBucket* KX_Scene::FindBucket(class RAS_IPolyMaterial* polymat, bool &bucketCreated)
{
        return m_bucketmanager->FindBucket(polymat, bucketCreated);
}



void KX_Scene::RenderBuckets(const MT_Transform & cameratransform,
                                                         class RAS_IRasterizer* rasty,
                                                         class RAS_IRenderTools* rendertools)
{
        m_bucketmanager->Renderbuckets(cameratransform,rasty,rendertools);
        KX_BlenderMaterial::EndFrame();
}

void KX_Scene::UpdateObjectActivity(void) 
{
        if (m_activity_culling) {
                /* determine the activity criterium and set objects accordingly */
                int i=0;
                
                MT_Point3 camloc = GetActiveCamera()->NodeGetWorldPosition(); //GetCameraLocation();
                
                for (i=0;i<GetObjectList()->GetCount();i++)
                {
                        KX_GameObject* ob = (KX_GameObject*) GetObjectList()->GetValue(i);
                        
                        if (!ob->GetIgnoreActivityCulling()) {
                                /* Simple test: more than 10 away from the camera, count
                                 * Manhattan distance. */
                                MT_Point3 obpos = ob->NodeGetWorldPosition();
                                
                                if ( (fabs(camloc[0] - obpos[0]) > m_activity_box_radius)
                                         || (fabs(camloc[1] - obpos[1]) > m_activity_box_radius)
                                         || (fabs(camloc[2] - obpos[2]) > m_activity_box_radius) )
                                {                       
                                        ob->Suspend();
                                } else {
                                        ob->Resume();
                                }
                        }
                }               
        }
}

void KX_Scene::SetActivityCullingRadius(float f)
{
        if (f < 0.5)
                f = 0.5;
        m_activity_box_radius = f;
}
        
NG_NetworkDeviceInterface* KX_Scene::GetNetworkDeviceInterface()
{
        return m_networkDeviceInterface;
}

NG_NetworkScene* KX_Scene::GetNetworkScene()
{
        return m_networkScene;
}

void KX_Scene::SetNetworkDeviceInterface(NG_NetworkDeviceInterface* newInterface)
{
        m_networkDeviceInterface = newInterface;
}

void KX_Scene::SetNetworkScene(NG_NetworkScene *newScene)
{
        m_networkScene = newScene;
}


void    KX_Scene::SetGravity(const MT_Vector3& gravity)
{
        GetPhysicsEnvironment()->setGravity(gravity[0],gravity[1],gravity[2]);
}

void KX_Scene::SetSceneConverter(class KX_BlenderSceneConverter* sceneConverter)
{
        m_sceneConverter = sceneConverter;
}

void KX_Scene::SetPhysicsEnvironment(class PHY_IPhysicsEnvironment* physEnv)
{
        m_physicsEnvironment = physEnv;
        if(m_physicsEnvironment) {
                KX_TouchEventManager* touchmgr = new KX_TouchEventManager(m_logicmgr, physEnv);
                m_logicmgr->RegisterEventManager(touchmgr);
        }
}
 
void KX_Scene::setSuspendedTime(double suspendedtime)
{
        m_suspendedtime = suspendedtime;
}
double KX_Scene::getSuspendedTime()
{
        return m_suspendedtime;
}
void KX_Scene::setSuspendedDelta(double suspendeddelta)
{
        m_suspendeddelta = suspendeddelta;
}
double KX_Scene::getSuspendedDelta()
{
        return m_suspendeddelta;
}

#ifdef USE_BULLET
#include "KX_BulletPhysicsController.h"
#endif

static void MergeScene_LogicBrick(SCA_ILogicBrick* brick, KX_Scene *to)
{
        SCA_LogicManager *logicmgr= to->GetLogicManager();

        brick->Replace_IScene(to);
        brick->Replace_NetworkScene(to->GetNetworkScene());

        SCA_ISensor *sensor=  dynamic_cast<class SCA_ISensor *>(brick);
        if(sensor) {
                sensor->Replace_EventManager(logicmgr);
        }

        /* near sensors have physics controllers */
#ifdef USE_BULLET
        KX_TouchSensor *touch_sensor = dynamic_cast<class KX_TouchSensor *>(brick);
        if(touch_sensor) {
                touch_sensor->GetPhysicsController()->SetPhysicsEnvironment(to->GetPhysicsEnvironment());
        }
#endif
}

#ifdef USE_BULLET
#include "CcdGraphicController.h" // XXX  ctrl->SetPhysicsEnvironment(to->GetPhysicsEnvironment());
#include "CcdPhysicsEnvironment.h" // XXX  ctrl->SetPhysicsEnvironment(to->GetPhysicsEnvironment());
#include "KX_BulletPhysicsController.h"
#endif

static void MergeScene_GameObject(KX_GameObject* gameobj, KX_Scene *to, KX_Scene *from)
{
        {
                SCA_ActuatorList& actuators= gameobj->GetActuators();
                SCA_ActuatorList::iterator ita;

                for (ita = actuators.begin(); !(ita==actuators.end()); ++ita)
                {
                        MergeScene_LogicBrick(*ita, to);
                }
        }


        {
                SCA_SensorList& sensors= gameobj->GetSensors();
                SCA_SensorList::iterator its;

                for (its = sensors.begin(); !(its==sensors.end()); ++its)
                {
                        MergeScene_LogicBrick(*its, to);
                }
        }

        {
                SCA_ControllerList& controllers= gameobj->GetControllers();
                SCA_ControllerList::iterator itc;

                for (itc = controllers.begin(); !(itc==controllers.end()); ++itc)
                {
                        SCA_IController *cont= *itc;
                        MergeScene_LogicBrick(cont, to);

                        vector<SCA_ISensor*> linkedsensors = cont->GetLinkedSensors();
                        vector<SCA_IActuator*> linkedactuators = cont->GetLinkedActuators();

                        for (vector<SCA_IActuator*>::iterator ita = linkedactuators.begin();!(ita==linkedactuators.end());++ita) {
                                MergeScene_LogicBrick(*ita, to);
                        }

                        for (vector<SCA_ISensor*>::iterator its = linkedsensors.begin();!(its==linkedsensors.end());++its) {
                                MergeScene_LogicBrick(*its, to);
                        }
                }
        }

        /* graphics controller */
        PHY_IGraphicController *ctrl = gameobj->GetGraphicController();
        if(ctrl) {
                /* SHOULD update the m_cullingTree */
                ctrl->SetPhysicsEnvironment(to->GetPhysicsEnvironment());
        }

        /* SG_Node can hold a scene reference */
        SG_Node *sg= gameobj->GetSGNode();
        if(sg) {
                if(sg->GetSGClientInfo() == from) {
                        sg->SetSGClientInfo(to);

                        /* Make sure to grab the children too since they might not be tied to a game object */
                        NodeList children = sg->GetSGChildren();
                        for (int i=0; i<children.size(); i++)
                                        children[i]->SetSGClientInfo(to);
                }
#ifdef USE_BULLET
                SGControllerList::iterator contit;
                SGControllerList& controllers = sg->GetSGControllerList();
                for (contit = controllers.begin();contit!=controllers.end();++contit)
                {
                        KX_BulletPhysicsController *phys_ctrl= dynamic_cast<KX_BulletPhysicsController *>(*contit);
                        if (phys_ctrl)
                                phys_ctrl->SetPhysicsEnvironment(to->GetPhysicsEnvironment());
                }
#endif // USE_BULLET
        }
        /* If the object is a light, update it's scene */
        if (gameobj->GetGameObjectType() == SCA_IObject::OBJ_LIGHT)
                ((KX_LightObject*)gameobj)->UpdateScene(to);

        /* Add the object to the scene's logic manager */
        to->GetLogicManager()->RegisterGameObjectName(gameobj->GetName(), gameobj);
        to->GetLogicManager()->RegisterGameObj(gameobj->GetBlenderObject(), gameobj);

        for (int i=0; i<gameobj->GetMeshCount(); ++i)
                to->GetLogicManager()->RegisterGameMeshName(gameobj->GetMesh(i)->GetName(), gameobj->GetBlenderObject());
}

bool KX_Scene::MergeScene(KX_Scene *other)
{
#ifdef USE_BULLET
        CcdPhysicsEnvironment *env=                     dynamic_cast<CcdPhysicsEnvironment *>(this->GetPhysicsEnvironment());
        CcdPhysicsEnvironment *env_other=       dynamic_cast<CcdPhysicsEnvironment *>(other->GetPhysicsEnvironment());

        if((env==NULL) != (env_other==NULL)) /* TODO - even when both scenes have NONE physics, the other is loaded with bullet enabled, ??? */
        {
                printf("KX_Scene::MergeScene: physics scenes type differ, aborting\n");
                printf("\tsource %d, terget %d\n", (int)(env!=NULL), (int)(env_other!=NULL));
                return false;
        }
#endif // USE_BULLET

        if(GetSceneConverter() != other->GetSceneConverter()) {
                printf("KX_Scene::MergeScene: converters differ, aborting\n");
                return false;
        }


        GetBucketManager()->MergeBucketManager(other->GetBucketManager(), this);

        /* move materials across, assume they both use the same scene-converters */
        GetSceneConverter()->MergeScene(this, other);

        /* active + inactive == all ??? - lets hope so */
        for (int i = 0; i < other->GetObjectList()->GetCount(); i++)
        {
                KX_GameObject* gameobj = (KX_GameObject*)other->GetObjectList()->GetValue(i);
                MergeScene_GameObject(gameobj, this, other);

                gameobj->UpdateBuckets(false); /* only for active objects */
        }

        for (int i = 0; i < other->GetInactiveList()->GetCount(); i++)
        {
                KX_GameObject* gameobj = (KX_GameObject*)other->GetInactiveList()->GetValue(i);
                MergeScene_GameObject(gameobj, this, other);
        }

        GetTempObjectList()->MergeList(other->GetTempObjectList());
        other->GetTempObjectList()->ReleaseAndRemoveAll();

        GetObjectList()->MergeList(other->GetObjectList());
        other->GetObjectList()->ReleaseAndRemoveAll();

        GetInactiveList()->MergeList(other->GetInactiveList());
        other->GetInactiveList()->ReleaseAndRemoveAll();

        GetRootParentList()->MergeList(other->GetRootParentList());
        other->GetRootParentList()->ReleaseAndRemoveAll();

        GetLightList()->MergeList(other->GetLightList());
        other->GetLightList()->ReleaseAndRemoveAll();

#ifdef USE_BULLET
        if(env) /* bullet scene? - dummy scenes dont need touching */
                env->MergeEnvironment(env_other);
#endif
        
        /* merge logic */
        {
                SCA_LogicManager *logicmgr=                     GetLogicManager();
                SCA_LogicManager *logicmgr_other=       other->GetLogicManager();

                vector<class SCA_EventManager*>evtmgrs= logicmgr->GetEventManagers();
                //vector<class SCA_EventManager*>evtmgrs_others= logicmgr_other->GetEventManagers();

                //SCA_EventManager *evtmgr;
                SCA_EventManager *evtmgr_other;

                for(unsigned int i= 0; i < evtmgrs.size(); i++) {
                        evtmgr_other= logicmgr_other->FindEventManager(evtmgrs[i]->GetType());

                        if(evtmgr_other) /* unlikely but possible one scene has a joystick and not the other */
                                evtmgr_other->Replace_LogicManager(logicmgr);

                        /* when merging objects sensors are moved across into the new manager, dont need to do this here */
                }

                /* grab any timer properties from the other scene */
                SCA_TimeEventManager *timemgr=          GetTimeEventManager();
                SCA_TimeEventManager *timemgr_other=    other->GetTimeEventManager();
                vector<CValue*> times = timemgr_other->GetTimeValues();

                for(unsigned int i= 0; i < times.size(); i++) {
                        timemgr->AddTimeProperty(times[i]);
                }
                
        }
        return true;
}

void KX_Scene::Update2DFilter(vector<STR_String>& propNames, void* gameObj, RAS_2DFilterManager::RAS_2DFILTER_MODE filtermode, int pass, STR_String& text)
{
        m_filtermanager.EnableFilter(propNames, gameObj, filtermode, pass, text);
}

void KX_Scene::Render2DFilters(RAS_ICanvas* canvas)
{
        m_filtermanager.RenderFilters(canvas);
}

#ifdef WITH_PYTHON

void KX_Scene::RunDrawingCallbacks(PyObject* cb_list)
{
        int len;

        if (cb_list && (len=PyList_GET_SIZE(cb_list)))
        {
                PyObject* args= PyTuple_New(0); // save python creating each call
                PyObject* func;
                PyObject* ret;

                // Iterate the list and run the callbacks
                for (int pos=0; pos < len; pos++)
                {
                        func= PyList_GET_ITEM(cb_list, pos);
                        ret= PyObject_Call(func, args, NULL);
                        if (ret==NULL) {
                                PyErr_Print();
                                PyErr_Clear();
                        }
                        else {
                                Py_DECREF(ret);
                        }
                }

                Py_DECREF(args);
        }
}

//----------------------------------------------------------------------------
//Python

PyTypeObject KX_Scene::Type = {
        PyVarObject_HEAD_INIT(NULL, 0)
        "KX_Scene",
        sizeof(PyObjectPlus_Proxy),
        0,
        py_base_dealloc,
        0,
        0,
        0,
        0,
        py_base_repr,
        0,
        &Sequence,
        &Mapping,
        0,0,0,0,0,0,
        Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
        0,0,0,0,0,0,0,
        Methods,
        0,
        0,
        &CValue::Type,
        0,0,0,0,0,0,
        py_base_new
};

PyMethodDef KX_Scene::Methods[] = {
        KX_PYMETHODTABLE(KX_Scene, addObject),
        KX_PYMETHODTABLE(KX_Scene, end),
        KX_PYMETHODTABLE(KX_Scene, restart),
        KX_PYMETHODTABLE(KX_Scene, replace),
        KX_PYMETHODTABLE(KX_Scene, suspend),
        KX_PYMETHODTABLE(KX_Scene, resume),
        
        /* dict style access */
        KX_PYMETHODTABLE(KX_Scene, get),
        
        {NULL,NULL} //Sentinel
};
static PyObject *Map_GetItem(PyObject *self_v, PyObject *item)
{
        KX_Scene* self= static_cast<KX_Scene*>BGE_PROXY_REF(self_v);
        const char *attr_str= _PyUnicode_AsString(item);
        PyObject* pyconvert;
        
        if (self==NULL) {
                PyErr_SetString(PyExc_SystemError, "val = scene[key]: KX_Scene, "BGE_PROXY_ERROR_MSG);
                return NULL;
        }
        
        if (self->m_attr_dict && (pyconvert=PyDict_GetItem(self->m_attr_dict, item))) {
                
                if (attr_str)
                        PyErr_Clear();
                Py_INCREF(pyconvert);
                return pyconvert;
        }
        else {
                if(attr_str)    PyErr_Format(PyExc_KeyError, "value = scene[key]: KX_Scene, key \"%s\" does not exist", attr_str);
                else                    PyErr_SetString(PyExc_KeyError, "value = scene[key]: KX_Scene, key does not exist");
                return NULL;
        }
                
}

static int Map_SetItem(PyObject *self_v, PyObject *key, PyObject *val)
{
        KX_Scene* self= static_cast<KX_Scene*>BGE_PROXY_REF(self_v);
        const char *attr_str= _PyUnicode_AsString(key);
        if(attr_str==NULL)
                PyErr_Clear();
        
        if (self==NULL) {
                PyErr_SetString(PyExc_SystemError, "scene[key] = value: KX_Scene, "BGE_PROXY_ERROR_MSG);
                return -1;
        }
        
        if (val==NULL) { /* del ob["key"] */
                int del= 0;
                
                if(self->m_attr_dict)
                        del |= (PyDict_DelItem(self->m_attr_dict, key)==0) ? 1:0;
                
                if (del==0) {
                        if(attr_str)    PyErr_Format(PyExc_KeyError, "scene[key] = value: KX_Scene, key \"%s\" could not be set", attr_str);
                        else                    PyErr_SetString(PyExc_KeyError, "del scene[key]: KX_Scene, key could not be deleted");
                        return -1;
                }
                else if (self->m_attr_dict) {
                        PyErr_Clear(); /* PyDict_DelItem sets an error when it fails */
                }
        }
        else { /* ob["key"] = value */
                int set = 0;

                if (self->m_attr_dict==NULL) /* lazy init */
                        self->m_attr_dict= PyDict_New();
                
                
                if(PyDict_SetItem(self->m_attr_dict, key, val)==0)
                        set= 1;
                else
                        PyErr_SetString(PyExc_KeyError, "scene[key] = value: KX_Scene, key not be added to internal dictionary");
        
                if(set==0)
                        return -1; /* pythons error value */
                
        }
        
        return 0; /* success */
}

static int Seq_Contains(PyObject *self_v, PyObject *value)
{
        KX_Scene* self= static_cast<KX_Scene*>BGE_PROXY_REF(self_v);
        
        if (self==NULL) {
                PyErr_SetString(PyExc_SystemError, "val in scene: KX_Scene, "BGE_PROXY_ERROR_MSG);
                return -1;
        }
        
        if (self->m_attr_dict && PyDict_GetItem(self->m_attr_dict, value))
                return 1;
        
        return 0;
}

PyMappingMethods KX_Scene::Mapping = {
        (lenfunc)NULL                                   ,                       /*inquiry mp_length */
        (binaryfunc)Map_GetItem,                /*binaryfunc mp_subscript */
        (objobjargproc)Map_SetItem,     /*objobjargproc mp_ass_subscript */
};

PySequenceMethods KX_Scene::Sequence = {
        NULL,           /* Cant set the len otherwise it can evaluate as false */
        NULL,           /* sq_concat */
        NULL,           /* sq_repeat */
        NULL,           /* sq_item */
        NULL,           /* sq_slice */
        NULL,           /* sq_ass_item */
        NULL,           /* sq_ass_slice */
        (objobjproc)Seq_Contains,       /* sq_contains */
        (binaryfunc) NULL, /* sq_inplace_concat */
        (ssizeargfunc) NULL, /* sq_inplace_repeat */
};

PyObject* KX_Scene::pyattr_get_name(void *self_v, const KX_PYATTRIBUTE_DEF *attrdef)
{
        KX_Scene* self= static_cast<KX_Scene*>(self_v);
        return PyUnicode_FromString(self->GetName().ReadPtr());
}

PyObject* KX_Scene::pyattr_get_objects(void *self_v, const KX_PYATTRIBUTE_DEF *attrdef)
{
        KX_Scene* self= static_cast<KX_Scene*>(self_v);
        return self->GetObjectList()->GetProxy();
}

PyObject* KX_Scene::pyattr_get_objects_inactive(void *self_v, const KX_PYATTRIBUTE_DEF *attrdef)
{
        KX_Scene* self= static_cast<KX_Scene*>(self_v);
        return self->GetInactiveList()->GetProxy();
}

PyObject* KX_Scene::pyattr_get_lights(void *self_v, const KX_PYATTRIBUTE_DEF *attrdef)
{
        KX_Scene* self= static_cast<KX_Scene*>(self_v);
        return self->GetLightList()->GetProxy();
}

PyObject* KX_Scene::pyattr_get_cameras(void *self_v, const KX_PYATTRIBUTE_DEF *attrdef)
{
        /* With refcounts in this case...
         * the new CListValue is owned by python, so its possible python holds onto it longer then the BGE
         * however this is the same with "scene.objects + []", when you make a copy by adding lists.
         */
        
        KX_Scene* self= static_cast<KX_Scene*>(self_v);
        CListValue* clist = new CListValue();
        
        /* return self->GetCameras()->GetProxy(); */
        
        list<KX_Camera*>::iterator it = self->GetCameras()->begin();
        while (it != self->GetCameras()->end()) {
                clist->Add((*it)->AddRef());
                it++;
        }
        
        return clist->NewProxy(true);
}

PyObject* KX_Scene::pyattr_get_active_camera(void *self_v, const KX_PYATTRIBUTE_DEF *attrdef)
{
        KX_Scene* self= static_cast<KX_Scene*>(self_v);
        return self->GetActiveCamera()->GetProxy();
}


int KX_Scene::pyattr_set_active_camera(void *self_v, const KX_PYATTRIBUTE_DEF *attrdef, PyObject *value)
{
        KX_Scene* self= static_cast<KX_Scene*>(self_v);
        KX_Camera *camOb;
        
        if (!ConvertPythonToCamera(value, &camOb, false, "scene.active_camera = value: KX_Scene"))
                return PY_SET_ATTR_FAIL;
        
        self->SetActiveCamera(camOb);
        return PY_SET_ATTR_SUCCESS;
}

PyObject* KX_Scene::pyattr_get_drawing_callback_pre(void *self_v, const KX_PYATTRIBUTE_DEF *attrdef)
{
        KX_Scene* self = static_cast<KX_Scene*>(self_v);

        if(self->m_draw_call_pre==NULL)
                self->m_draw_call_pre= PyList_New(0);
        Py_INCREF(self->m_draw_call_pre);
        return self->m_draw_call_pre;
}

PyObject* KX_Scene::pyattr_get_drawing_callback_post(void *self_v, const KX_PYATTRIBUTE_DEF *attrdef)
{
        KX_Scene* self = static_cast<KX_Scene*>(self_v);

        if(self->m_draw_call_post==NULL)
                self->m_draw_call_post= PyList_New(0);
        Py_INCREF(self->m_draw_call_post);
        return self->m_draw_call_post;
}

int KX_Scene::pyattr_set_drawing_callback_pre(void *self_v, const KX_PYATTRIBUTE_DEF *attrdef, PyObject *value)
{
        KX_Scene* self = static_cast<KX_Scene*>(self_v);

        if (!PyList_CheckExact(value))
        {
                PyErr_SetString(PyExc_ValueError, "Expected a list");
                return PY_SET_ATTR_FAIL;
        }
        Py_XDECREF(self->m_draw_call_pre);

        Py_INCREF(value);
        self->m_draw_call_pre = value;

        return PY_SET_ATTR_SUCCESS;
}

int KX_Scene::pyattr_set_drawing_callback_post(void *self_v, const KX_PYATTRIBUTE_DEF *attrdef, PyObject *value)
{
        KX_Scene* self = static_cast<KX_Scene*>(self_v);

        if (!PyList_CheckExact(value))
        {
                PyErr_SetString(PyExc_ValueError, "Expected a list");
                return PY_SET_ATTR_FAIL;
        }
        Py_XDECREF(self->m_draw_call_post);

        Py_INCREF(value);
        self->m_draw_call_post = value;

        return PY_SET_ATTR_SUCCESS;
}

PyAttributeDef KX_Scene::Attributes[] = {
        KX_PYATTRIBUTE_RO_FUNCTION("name",                              KX_Scene, pyattr_get_name),
        KX_PYATTRIBUTE_RO_FUNCTION("objects",                   KX_Scene, pyattr_get_objects),
        KX_PYATTRIBUTE_RO_FUNCTION("objectsInactive",   KX_Scene, pyattr_get_objects_inactive),
        KX_PYATTRIBUTE_RO_FUNCTION("lights",                    KX_Scene, pyattr_get_lights),
        KX_PYATTRIBUTE_RO_FUNCTION("cameras",                   KX_Scene, pyattr_get_cameras),
        KX_PYATTRIBUTE_RO_FUNCTION("lights",                    KX_Scene, pyattr_get_lights),
        KX_PYATTRIBUTE_RW_FUNCTION("active_camera",             KX_Scene, pyattr_get_active_camera, pyattr_set_active_camera),
        KX_PYATTRIBUTE_RW_FUNCTION("pre_draw",                  KX_Scene, pyattr_get_drawing_callback_pre, pyattr_set_drawing_callback_pre),
        KX_PYATTRIBUTE_RW_FUNCTION("post_draw",                 KX_Scene, pyattr_get_drawing_callback_post, pyattr_set_drawing_callback_post),
        KX_PYATTRIBUTE_BOOL_RO("suspended",                             KX_Scene, m_suspend),
        KX_PYATTRIBUTE_BOOL_RO("activity_culling",              KX_Scene, m_activity_culling),
        KX_PYATTRIBUTE_FLOAT_RW("activity_culling_radius", 0.5f, FLT_MAX, KX_Scene, m_activity_box_radius),
        KX_PYATTRIBUTE_BOOL_RO("dbvt_culling",                  KX_Scene, m_dbvt_culling),
        { NULL }        //Sentinel
};

KX_PYMETHODDEF_DOC(KX_Scene, addObject,
"addObject(object, other, time=0)\n"
"Returns the added object.\n")
{
        PyObject *pyob, *pyother;
        KX_GameObject *ob, *other;

        int time = 0;

        if (!PyArg_ParseTuple(args, "OO|i:addObject", &pyob, &pyother, &time))
                return NULL;

        if (    !ConvertPythonToGameObject(pyob, &ob, false, "scene.addObject(object, other, time): KX_Scene (first argument)") ||
                        !ConvertPythonToGameObject(pyother, &other, false, "scene.addObject(object, other, time): KX_Scene (second argument)") )
                return NULL;


        SCA_IObject* replica = AddReplicaObject((SCA_IObject*)ob, other, time);
        
        // release here because AddReplicaObject AddRef's
        // the object is added to the scene so we dont want python to own a reference
        replica->Release();
        return replica->GetProxy();
}

KX_PYMETHODDEF_DOC(KX_Scene, end,
"end()\n"
"Removes this scene from the game.\n")
{
        
        KX_GetActiveEngine()->RemoveScene(m_sceneName);
        
        Py_RETURN_NONE;
}

KX_PYMETHODDEF_DOC(KX_Scene, restart,
                                   "restart()\n"
                                   "Restarts this scene.\n")
{
        KX_GetActiveEngine()->ReplaceScene(m_sceneName, m_sceneName);
        
        Py_RETURN_NONE;
}

KX_PYMETHODDEF_DOC(KX_Scene, replace,
                                   "replace(newScene)\n"
                                   "Replaces this scene with another one.\n")
{
        char* name;
        
        if (!PyArg_ParseTuple(args, "s:replace", &name))
                return NULL;
        
        KX_GetActiveEngine()->ReplaceScene(m_sceneName, name);
        
        Py_RETURN_NONE;
}

KX_PYMETHODDEF_DOC(KX_Scene, suspend,
                                        "suspend()\n"
                                        "Suspends this scene.\n")
{
        Suspend();
        
        Py_RETURN_NONE;
}

KX_PYMETHODDEF_DOC(KX_Scene, resume,
                                        "resume()\n"
                                        "Resumes this scene.\n")
{
        Resume();
        
        Py_RETURN_NONE;
}

/* Matches python dict.get(key, [default]) */
KX_PYMETHODDEF_DOC(KX_Scene, get, "")
{
        PyObject *key;
        PyObject* def = Py_None;
        PyObject* ret;

        if (!PyArg_ParseTuple(args, "O|O:get", &key, &def))
                return NULL;
        
        if (m_attr_dict && (ret=PyDict_GetItem(m_attr_dict, key))) {
                Py_INCREF(ret);
                return ret;
        }
        
        Py_INCREF(def);
        return def;
}

#endif // WITH_PYTHON