KX_BlenderSceneConverter.cpp

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/*
 * ***** 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 *****
 */

#if defined(WIN32) && !defined(FREE_WINDOWS)
#pragma warning (disable:4786) // suppress stl-MSVC debug info warning
#endif

#include "KX_Scene.h"
#include "KX_GameObject.h"
#include "KX_BlenderSceneConverter.h"
#include "KX_IpoConvert.h"
#include "RAS_MeshObject.h"
#include "KX_PhysicsEngineEnums.h"
#include "PHY_IPhysicsEnvironment.h"
#include "KX_KetsjiEngine.h"
#include "KX_IPhysicsController.h"
#include "BL_Material.h"
#include "BL_ActionActuator.h"
#include "KX_BlenderMaterial.h"
#include "KX_PolygonMaterial.h"


#include "BL_System.h"

#include "DummyPhysicsEnvironment.h"

#include "KX_ConvertPhysicsObject.h"

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

#include "KX_BlenderSceneConverter.h"
#include "KX_BlenderScalarInterpolator.h"
#include "BL_BlenderDataConversion.h"
#include "BlenderWorldInfo.h"
#include "KX_Scene.h"

/* This little block needed for linking to Blender... */
#ifdef WIN32
#include "BLI_winstuff.h"
#endif

/* This list includes only data type definitions */
#include "DNA_scene_types.h"
#include "DNA_world_types.h"
#include "BKE_main.h"

#include "BLI_math.h"

extern "C"
{
#include "DNA_object_types.h"
#include "DNA_curve_types.h"
#include "DNA_mesh_types.h"
#include "DNA_material_types.h"
#include "BLI_blenlib.h"
#include "MEM_guardedalloc.h"
#include "BKE_global.h"
#include "BKE_animsys.h"
#include "BKE_library.h"
#include "BKE_material.h" // copy_material
#include "BKE_mesh.h" // copy_mesh
#include "DNA_space_types.h"
#include "DNA_anim_types.h"
#include "RNA_define.h"
#include "../../blender/editors/include/ED_keyframing.h"
}

/* Only for dynamic loading and merging */
#include "RAS_BucketManager.h" // XXX cant stay
#include "KX_BlenderSceneConverter.h"
#include "BL_BlenderDataConversion.h"
#include "KX_MeshProxy.h"
#include "RAS_MeshObject.h"
extern "C" {
    #include "BKE_context.h"
    #include "BLO_readfile.h"
    #include "BKE_idcode.h"
    #include "BKE_report.h"
    #include "DNA_space_types.h"
    #include "DNA_windowmanager_types.h" /* report api */
    #include "../../blender/blenlib/BLI_linklist.h"
}

KX_BlenderSceneConverter::KX_BlenderSceneConverter(
                            struct Main* maggie,
                            class KX_KetsjiEngine* engine
                            )
                            : m_maggie(maggie),
                            /*m_maggie_dyn(NULL),*/
                            m_ketsjiEngine(engine),
                            m_alwaysUseExpandFraming(false),
                            m_usemat(false),
                            m_useglslmat(false)
{
    tag_main(maggie, 0); /* avoid re-tagging later on */
    m_newfilename = "";
}


KX_BlenderSceneConverter::~KX_BlenderSceneConverter()
{
    // clears meshes, and hashmaps from blender to gameengine data
    int i;
    // delete sumoshapes
    

    int numAdtLists = m_map_blender_to_gameAdtList.size();
    for (i=0; i<numAdtLists; i++) {
        BL_InterpolatorList *adtList= *m_map_blender_to_gameAdtList.at(i);

        delete (adtList);
    }

    vector<pair<KX_Scene*,KX_WorldInfo*> >::iterator itw = m_worldinfos.begin();
    while (itw != m_worldinfos.end()) {
        delete (*itw).second;
        itw++;
    }

    vector<pair<KX_Scene*,RAS_IPolyMaterial*> >::iterator itp = m_polymaterials.begin();
    while (itp != m_polymaterials.end()) {
        delete (*itp).second;
        itp++;
    }

    // delete after RAS_IPolyMaterial
    vector<pair<KX_Scene*,BL_Material *> >::iterator itmat = m_materials.begin();
    while (itmat != m_materials.end()) {
        delete (*itmat).second;
        itmat++;
    }   


    vector<pair<KX_Scene*,RAS_MeshObject*> >::iterator itm = m_meshobjects.begin();
    while (itm != m_meshobjects.end()) {
        delete (*itm).second;
        itm++;
    }

#ifdef USE_BULLET
    KX_ClearBulletSharedShapes();
#endif

    /* free any data that was dynamically loaded */
    for (vector<Main*>::iterator it=m_DynamicMaggie.begin(); !(it==m_DynamicMaggie.end()); it++) {
        Main *main= *it;
        free_main(main);
    }

    m_DynamicMaggie.clear();
}

void KX_BlenderSceneConverter::SetNewFileName(const STR_String& filename)
{
    m_newfilename = filename;
}



bool KX_BlenderSceneConverter::TryAndLoadNewFile()
{
    bool result = false;

    // find the file
/*  if ()
    {
        result = true;
    }
    // if not, clear the newfilename
    else
    {
        m_newfilename = ""; 
    }
*/
    return result;
}

Scene *KX_BlenderSceneConverter::GetBlenderSceneForName(const STR_String& name)
{
    Scene *sce;

    if((sce= (Scene *)BLI_findstring(&m_maggie->scene, name.ReadPtr(), offsetof(ID, name) + 2)))
        return sce;

    for (vector<Main*>::iterator it=m_DynamicMaggie.begin(); !(it==m_DynamicMaggie.end()); it++) {
        Main *main= *it;

        if((sce= (Scene *)BLI_findstring(&main->scene, name.ReadPtr(), offsetof(ID, name) + 2)))
            return sce;
    }

    return (Scene*)m_maggie->scene.first;

}
#include "KX_PythonInit.h"

#ifdef USE_BULLET

#include "LinearMath/btIDebugDraw.h"


struct  BlenderDebugDraw : public btIDebugDraw
{
    BlenderDebugDraw () :
        m_debugMode(0) 
    {
    }
    
    int m_debugMode;

    virtual void    drawLine(const btVector3& from,const btVector3& to,const btVector3& color)
    {
        if (m_debugMode >0)
        {
            MT_Vector3 kxfrom(from[0],from[1],from[2]);
            MT_Vector3 kxto(to[0],to[1],to[2]);
            MT_Vector3 kxcolor(color[0],color[1],color[2]);

            KX_RasterizerDrawDebugLine(kxfrom,kxto,kxcolor);
        }
    }
    
    virtual void    reportErrorWarning(const char* warningString)
    {

    }

    virtual void    drawContactPoint(const btVector3& PointOnB,const btVector3& normalOnB,float distance,int lifeTime,const btVector3& color)
    {
        //not yet
    }

    virtual void    setDebugMode(int debugMode)
    {
        m_debugMode = debugMode;
    }
    virtual int     getDebugMode() const
    {
        return m_debugMode;
    }
    virtual void    draw3dText(const btVector3& location,const char* textString)
    {

    }
        
};

#endif

void KX_BlenderSceneConverter::ConvertScene(class KX_Scene* destinationscene,
                                            class RAS_IRenderTools* rendertools,
                                            class RAS_ICanvas* canvas)
{
    //find out which physics engine
    Scene *blenderscene = destinationscene->GetBlenderScene();

    e_PhysicsEngine physics_engine = UseBullet;
    bool useDbvtCulling = false;
    // hook for registration function during conversion.
    m_currentScene = destinationscene;
    destinationscene->SetSceneConverter(this);
    SG_SetActiveStage(SG_STAGE_CONVERTER);

    if (blenderscene)
    {
    
        switch (blenderscene->gm.physicsEngine)
        {
        case WOPHY_BULLET:
            {
                physics_engine = UseBullet;
                useDbvtCulling = (blenderscene->gm.mode & WO_DBVT_CULLING) != 0;
                break;
            }
                            
            case WOPHY_ODE:
            {
                physics_engine = UseODE;
                break;
            }
            case WOPHY_DYNAMO:
            {
                physics_engine = UseDynamo;
                break;
            }
            case WOPHY_SUMO:
            {
                physics_engine = UseSumo; 
                break;
            }
            case WOPHY_NONE:
            {
                physics_engine = UseNone;
            }
        }
    }

    switch (physics_engine)
    {
#ifdef USE_BULLET
        case UseBullet:
            {
                CcdPhysicsEnvironment* ccdPhysEnv = new CcdPhysicsEnvironment(useDbvtCulling);
                ccdPhysEnv->setDebugDrawer(new BlenderDebugDraw());
                ccdPhysEnv->setDeactivationLinearTreshold(0.8f); // default, can be overridden by Python
                ccdPhysEnv->setDeactivationAngularTreshold(1.0f); // default, can be overridden by Python

                SYS_SystemHandle syshandle = SYS_GetSystem(); /*unused*/
                int visualizePhysics = SYS_GetCommandLineInt(syshandle,"show_physics",0);
                if (visualizePhysics)
                    ccdPhysEnv->setDebugMode(btIDebugDraw::DBG_DrawWireframe|btIDebugDraw::DBG_DrawAabb|btIDebugDraw::DBG_DrawContactPoints|btIDebugDraw::DBG_DrawText|btIDebugDraw::DBG_DrawConstraintLimits|btIDebugDraw::DBG_DrawConstraints);
        
                //todo: get a button in blender ?
                //disable / enable debug drawing (contact points, aabb's etc)   
                //ccdPhysEnv->setDebugMode(1);
                destinationscene->SetPhysicsEnvironment(ccdPhysEnv);
                break;
            }
#endif  
        case UseDynamo:
        {
        }
        
        default:
        case UseNone:
            physics_engine = UseNone;
            destinationscene ->SetPhysicsEnvironment(new DummyPhysicsEnvironment());
            break;
    }

    BL_ConvertBlenderObjects(m_maggie,
        destinationscene,
        m_ketsjiEngine,
        physics_engine,
        rendertools,
        canvas,
        this,
        m_alwaysUseExpandFraming
        );

    //These lookup are not needed during game
    m_map_blender_to_gameactuator.clear();
    m_map_blender_to_gamecontroller.clear();
    m_map_blender_to_gameobject.clear();

    //Clearing this lookup table has the effect of disabling the cache of meshes
    //between scenes, even if they are shared in the blend file.
    //This cache mecanism is buggy so I leave it disable and the memory leak
    //that would result from this is fixed in RemoveScene()
    m_map_mesh_to_gamemesh.clear();

#ifndef USE_BULLET
    /* quiet compiler warning */
    (void)useDbvtCulling;
#endif

}

// This function removes all entities stored in the converter for that scene
// It should be used instead of direct delete scene
// Note that there was some provision for sharing entities (meshes...) between
// scenes but that is now disabled so all scene will have their own copy
// and we can delete them here. If the sharing is reactivated, change this code too..
// (see KX_BlenderSceneConverter::ConvertScene)
void KX_BlenderSceneConverter::RemoveScene(KX_Scene *scene)
{
    int i, size;
    // delete the scene first as it will stop the use of entities
    delete scene;
    // delete the entities of this scene
    vector<pair<KX_Scene*,KX_WorldInfo*> >::iterator worldit;
    size = m_worldinfos.size();
    for (i=0, worldit=m_worldinfos.begin(); i<size; ) {
        if ((*worldit).first == scene) {
            delete (*worldit).second;
            *worldit = m_worldinfos.back();
            m_worldinfos.pop_back();
            size--;
        } else {
            i++;
            worldit++;
        }
    }

    vector<pair<KX_Scene*,RAS_IPolyMaterial*> >::iterator polymit;
    size = m_polymaterials.size();
    for (i=0, polymit=m_polymaterials.begin(); i<size; ) {
        if ((*polymit).first == scene) {
            delete (*polymit).second;
            *polymit = m_polymaterials.back();
            m_polymaterials.pop_back();
            size--;
        } else {
            i++;
            polymit++;
        }
    }

    vector<pair<KX_Scene*,BL_Material*> >::iterator matit;
    size = m_materials.size();
    for (i=0, matit=m_materials.begin(); i<size; ) {
        if ((*matit).first == scene) {
            delete (*matit).second;
            *matit = m_materials.back();
            m_materials.pop_back();
            size--;
        } else {
            i++;
            matit++;
        }
    }

    vector<pair<KX_Scene*,RAS_MeshObject*> >::iterator meshit;
    size = m_meshobjects.size();
    for (i=0, meshit=m_meshobjects.begin(); i<size; ) {
        if ((*meshit).first == scene) {
            delete (*meshit).second;
            *meshit = m_meshobjects.back();
            m_meshobjects.pop_back();
            size--;
        } else {
            i++;
            meshit++;
        }
    }
}

// use blender materials
void KX_BlenderSceneConverter::SetMaterials(bool val)
{
    m_usemat = val;
    m_useglslmat = false;
}

void KX_BlenderSceneConverter::SetGLSLMaterials(bool val)
{
    m_usemat = val;
    m_useglslmat = val;
}

bool KX_BlenderSceneConverter::GetMaterials()
{
    return m_usemat;
}

bool KX_BlenderSceneConverter::GetGLSLMaterials()
{
    return m_useglslmat;
}

void KX_BlenderSceneConverter::RegisterBlenderMaterial(BL_Material *mat)
{
    m_materials.push_back(pair<KX_Scene*,BL_Material *>(m_currentScene,mat));
}



void KX_BlenderSceneConverter::SetAlwaysUseExpandFraming(
    bool to_what)
{
    m_alwaysUseExpandFraming= to_what;
}

    

void KX_BlenderSceneConverter::RegisterGameObject(
                                    KX_GameObject *gameobject, 
                                    struct Object *for_blenderobject) 
{
    /* only maintained while converting, freed during game runtime */
    m_map_blender_to_gameobject.insert(CHashedPtr(for_blenderobject),gameobject);
}

/* only need to run this during conversion since
 * m_map_blender_to_gameobject is freed after conversion */
void KX_BlenderSceneConverter::UnregisterGameObject(
                                    KX_GameObject *gameobject) 
{
    struct Object *bobp= gameobject->GetBlenderObject();
    if (bobp) {
        CHashedPtr bptr(bobp);
        KX_GameObject **gobp= m_map_blender_to_gameobject[bptr];
        if (gobp && *gobp == gameobject)
        {
            // also maintain m_map_blender_to_gameobject if the gameobject
            // being removed is matching the blender object
            m_map_blender_to_gameobject.remove(bptr);
        }
    }
}

KX_GameObject *KX_BlenderSceneConverter::FindGameObject(
                                    struct Object *for_blenderobject) 
{
    KX_GameObject **obp= m_map_blender_to_gameobject[CHashedPtr(for_blenderobject)];
    
    return obp?*obp:NULL;
}

void KX_BlenderSceneConverter::RegisterGameMesh(
                                    RAS_MeshObject *gamemesh,
                                    struct Mesh *for_blendermesh)
{
    if(for_blendermesh) { /* dynamically loaded meshes we dont want to keep lookups for */
        m_map_mesh_to_gamemesh.insert(CHashedPtr(for_blendermesh),gamemesh);
    }
    m_meshobjects.push_back(pair<KX_Scene*,RAS_MeshObject*>(m_currentScene,gamemesh));
}



RAS_MeshObject *KX_BlenderSceneConverter::FindGameMesh(
                                    struct Mesh *for_blendermesh/*,
                                    unsigned int onlayer*/)
{
    RAS_MeshObject** meshp = m_map_mesh_to_gamemesh[CHashedPtr(for_blendermesh)];
    
    if (meshp/* && onlayer==(*meshp)->GetLightLayer()*/) {
        return *meshp;
    } else {
        return NULL;
    }
}

    


    

void KX_BlenderSceneConverter::RegisterPolyMaterial(RAS_IPolyMaterial *polymat)
{
    m_polymaterials.push_back(pair<KX_Scene*,RAS_IPolyMaterial*>(m_currentScene,polymat));
}



void KX_BlenderSceneConverter::RegisterInterpolatorList(
                                    BL_InterpolatorList *actList,
                                    struct bAction *for_act)
{
    m_map_blender_to_gameAdtList.insert(CHashedPtr(for_act), actList);
}



BL_InterpolatorList *KX_BlenderSceneConverter::FindInterpolatorList(
                                    struct bAction *for_act)
{
    BL_InterpolatorList **listp = m_map_blender_to_gameAdtList[CHashedPtr(for_act)];
        
    return listp?*listp:NULL;
}



void KX_BlenderSceneConverter::RegisterGameActuator(
                                    SCA_IActuator *act,
                                    struct bActuator *for_actuator)
{
    m_map_blender_to_gameactuator.insert(CHashedPtr(for_actuator), act);
}



SCA_IActuator *KX_BlenderSceneConverter::FindGameActuator(
                                    struct bActuator *for_actuator)
{
    SCA_IActuator **actp = m_map_blender_to_gameactuator[CHashedPtr(for_actuator)];
    
    return actp?*actp:NULL;
}



void KX_BlenderSceneConverter::RegisterGameController(
                                    SCA_IController *cont,
                                    struct bController *for_controller)
{
    m_map_blender_to_gamecontroller.insert(CHashedPtr(for_controller), cont);
}



SCA_IController *KX_BlenderSceneConverter::FindGameController(
                                    struct bController *for_controller)
{
    SCA_IController **contp = m_map_blender_to_gamecontroller[CHashedPtr(for_controller)];
    
    return contp?*contp:NULL;
}



void KX_BlenderSceneConverter::RegisterWorldInfo(
                                    KX_WorldInfo *worldinfo)
{
    m_worldinfos.push_back(pair<KX_Scene*,KX_WorldInfo*>(m_currentScene,worldinfo));
}

void    KX_BlenderSceneConverter::ResetPhysicsObjectsAnimationIpo(bool clearIpo)
{

    KX_SceneList* scenes = m_ketsjiEngine->CurrentScenes();
    int numScenes = scenes->size();
    int i;
    for (i=0;i<numScenes;i++)
    {
        KX_Scene* scene = scenes->at(i);
        //PHY_IPhysicsEnvironment* physEnv = scene->GetPhysicsEnvironment();
        CListValue* parentList = scene->GetRootParentList();
        int numObjects = parentList->GetCount();
        int g;
        for (g=0;g<numObjects;g++)
        {
            KX_GameObject* gameObj = (KX_GameObject*)parentList->GetValue(g);
            if (gameObj->IsDynamic())
            {
                //KX_IPhysicsController* physCtrl = gameObj->GetPhysicsController();
                
                Object* blenderObject = gameObj->GetBlenderObject();
                if (blenderObject)
                {
#if 0
                    //erase existing ipo's
                    Ipo* ipo = blenderObject->ipo;//findIpoForName(blenderObject->id.name+2);
                    if (ipo)
                    {   //clear the curve data
                        if (clearIpo){//rcruiz
                            IpoCurve *icu1;
                                                        
                            int numCurves = 0;
                            for( icu1 = (IpoCurve*)ipo->curve.first; icu1;  ) {
                            
                                IpoCurve* tmpicu = icu1;
                                
                                /*int i;
                                BezTriple *bezt;
                                for( bezt = tmpicu->bezt, i = 0;    i < tmpicu->totvert; i++, bezt++){
                                    printf("(%f,%f,%f),(%f,%f,%f),(%f,%f,%f)\n",bezt->vec[0][0],bezt->vec[0][1],bezt->vec[0][2],bezt->vec[1][0],bezt->vec[1][1],bezt->vec[1][2],bezt->vec[2][0],bezt->vec[2][1],bezt->vec[2][2]);
                                }*/
                                
                                icu1 = icu1->next;
                                numCurves++;
            
                                BLI_remlink( &( blenderObject->ipo->curve ), tmpicu );
                                if( tmpicu->bezt )
                                    MEM_freeN( tmpicu->bezt );
                                MEM_freeN( tmpicu );
                                localDel_ipoCurve( tmpicu );
                            }
                        }
                    } else
                    {   ipo = NULL; // XXX add_ipo(blenderObject->id.name+2, ID_OB);
                        blenderObject->ipo = ipo;

                    }
#endif
                }
            }

        }
        
    
    }



}

void    KX_BlenderSceneConverter::resetNoneDynamicObjectToIpo()
{
    if (addInitFromFrame){      
        KX_SceneList* scenes = m_ketsjiEngine->CurrentScenes();
        int numScenes = scenes->size();
        if (numScenes>=0){
            KX_Scene* scene = scenes->at(0);
            CListValue* parentList = scene->GetRootParentList();
            for (int ix=0;ix<parentList->GetCount();ix++){
                KX_GameObject* gameobj = (KX_GameObject*)parentList->GetValue(ix);
                if (!gameobj->IsDynamic()){
                    Object* blenderobject = gameobj->GetBlenderObject();
                    if (!blenderobject)
                        continue;
                    if (blenderobject->type==OB_ARMATURE)
                        continue;
                    float eu[3];
                    mat4_to_eul(eu,blenderobject->obmat);                   
                    MT_Point3 pos = MT_Point3(
                        blenderobject->obmat[3][0],
                        blenderobject->obmat[3][1],
                        blenderobject->obmat[3][2]
                    );
                    MT_Vector3 eulxyz = MT_Vector3(
                        eu[0],
                        eu[1],
                        eu[2]
                    );
                    MT_Vector3 scale = MT_Vector3(
                        blenderobject->size[0],
                        blenderobject->size[1],
                        blenderobject->size[2]
                    );
                    gameobj->NodeSetLocalPosition(pos);
                    gameobj->NodeSetLocalOrientation(MT_Matrix3x3(eulxyz));
                    gameobj->NodeSetLocalScale(scale);
                    gameobj->NodeUpdateGS(0);
                }
            }
        }
    }
}


void    KX_BlenderSceneConverter::WritePhysicsObjectToAnimationIpo(int frameNumber)
{

    KX_SceneList* scenes = m_ketsjiEngine->CurrentScenes();
    int numScenes = scenes->size();
    int i;
    for (i=0;i<numScenes;i++)
    {
        KX_Scene* scene = scenes->at(i);
        //PHY_IPhysicsEnvironment* physEnv = scene->GetPhysicsEnvironment();
        CListValue* parentList = scene->GetObjectList();
        int numObjects = parentList->GetCount();
        int g;
        for (g=0;g<numObjects;g++)
        {
            KX_GameObject* gameObj = (KX_GameObject*)parentList->GetValue(g);
            Object* blenderObject = gameObj->GetBlenderObject();
            if (blenderObject && blenderObject->parent==NULL && gameObj->IsDynamic())
            {
                //KX_IPhysicsController* physCtrl = gameObj->GetPhysicsController();

                if(blenderObject->adt==NULL)
                    BKE_id_add_animdata(&blenderObject->id);

                if (blenderObject->adt)
                {
                    const MT_Point3& position = gameObj->NodeGetWorldPosition();
                    //const MT_Vector3& scale = gameObj->NodeGetWorldScaling();
                    const MT_Matrix3x3& orn = gameObj->NodeGetWorldOrientation();

                    position.getValue(blenderObject->loc);

                    float tmat[3][3];
                    for (int r=0;r<3;r++)
                        for (int c=0;c<3;c++)
                            tmat[r][c] = (float)orn[c][r];

                    mat3_to_compatible_eul(blenderObject->rot, blenderObject->rot, tmat);

                    insert_keyframe(NULL, &blenderObject->id, NULL, NULL, "location", -1, (float)frameNumber, INSERTKEY_FAST);
                    insert_keyframe(NULL, &blenderObject->id, NULL, NULL, "rotation_euler", -1, (float)frameNumber, INSERTKEY_FAST);

#if 0
                    const MT_Point3& position = gameObj->NodeGetWorldPosition();
                    //const MT_Vector3& scale = gameObj->NodeGetWorldScaling();
                    const MT_Matrix3x3& orn = gameObj->NodeGetWorldOrientation();
                    
                    float eulerAngles[3];   
                    float eulerAnglesOld[3] = {0.0f, 0.0f, 0.0f};                       
                    float tmat[3][3];
                    
                    // XXX animato
                    Ipo* ipo = blenderObject->ipo;

                    //create the curves, if not existing, set linear if new

                    IpoCurve *icu_lx = findIpoCurve((IpoCurve *)ipo->curve.first,"LocX");
                    if (!icu_lx) {
                        icu_lx = verify_ipocurve(&blenderObject->id, ipo->blocktype, NULL, NULL, NULL, OB_LOC_X, 1);
                        if(icu_lx) icu_lx->ipo = IPO_LIN;
                    }
                    IpoCurve *icu_ly = findIpoCurve((IpoCurve *)ipo->curve.first,"LocY");
                    if (!icu_ly) {
                        icu_ly = verify_ipocurve(&blenderObject->id, ipo->blocktype, NULL, NULL, NULL, OB_LOC_Y, 1);
                        if(icu_ly) icu_ly->ipo = IPO_LIN;
                    }
                    IpoCurve *icu_lz = findIpoCurve((IpoCurve *)ipo->curve.first,"LocZ");
                    if (!icu_lz) {
                        icu_lz = verify_ipocurve(&blenderObject->id, ipo->blocktype, NULL, NULL, NULL, OB_LOC_Z, 1);
                        if(icu_lz) icu_lz->ipo = IPO_LIN;
                    }
                    IpoCurve *icu_rx = findIpoCurve((IpoCurve *)ipo->curve.first,"RotX");
                    if (!icu_rx) {
                        icu_rx = verify_ipocurve(&blenderObject->id, ipo->blocktype, NULL, NULL, NULL, OB_ROT_X, 1);
                        if(icu_rx) icu_rx->ipo = IPO_LIN;
                    }
                    IpoCurve *icu_ry = findIpoCurve((IpoCurve *)ipo->curve.first,"RotY");
                    if (!icu_ry) {
                        icu_ry = verify_ipocurve(&blenderObject->id, ipo->blocktype, NULL, NULL, NULL, OB_ROT_Y, 1);
                        if(icu_ry) icu_ry->ipo = IPO_LIN;
                    }
                    IpoCurve *icu_rz = findIpoCurve((IpoCurve *)ipo->curve.first,"RotZ");
                    if (!icu_rz) {
                        icu_rz = verify_ipocurve(&blenderObject->id, ipo->blocktype, NULL, NULL, NULL, OB_ROT_Z, 1);
                        if(icu_rz) icu_rz->ipo = IPO_LIN;
                    }
                    
                    if(icu_rx) eulerAnglesOld[0]= eval_icu( icu_rx, frameNumber - 1 ) / ((180 / 3.14159265f) / 10);
                    if(icu_ry) eulerAnglesOld[1]= eval_icu( icu_ry, frameNumber - 1 ) / ((180 / 3.14159265f) / 10);
                    if(icu_rz) eulerAnglesOld[2]= eval_icu( icu_rz, frameNumber - 1 ) / ((180 / 3.14159265f) / 10);
                    
                    // orn.getValue((float *)tmat); // uses the wrong ordering, cant use this
                    for (int r=0;r<3;r++)
                        for (int c=0;c<3;c++)
                            tmat[r][c] = orn[c][r];
                    
                    // mat3_to_eul( eulerAngles,tmat); // better to use Mat3ToCompatibleEul
                    mat3_to_compatible_eul( eulerAngles, eulerAnglesOld,tmat);
                    
                    //eval_icu
                    for(int x = 0; x < 3; x++)
                        eulerAngles[x] *= (float) ((180 / 3.14159265f) / 10.0);
                    
                    //fill the curves with data
                    if (icu_lx) insert_vert_icu(icu_lx, frameNumber, position.x(), 1);
                    if (icu_ly) insert_vert_icu(icu_ly, frameNumber, position.y(), 1);
                    if (icu_lz) insert_vert_icu(icu_lz, frameNumber, position.z(), 1);
                    if (icu_rx) insert_vert_icu(icu_rx, frameNumber, eulerAngles[0], 1);
                    if (icu_ry) insert_vert_icu(icu_ry, frameNumber, eulerAngles[1], 1);
                    if (icu_rz) insert_vert_icu(icu_rz, frameNumber, eulerAngles[2], 1);
                    
                    // Handles are corrected at the end, testhandles_ipocurve isnt needed yet
#endif
                }
            }
        }
    }
}


void    KX_BlenderSceneConverter::TestHandlesPhysicsObjectToAnimationIpo()
{

    KX_SceneList* scenes = m_ketsjiEngine->CurrentScenes();
    int numScenes = scenes->size();
    int i;
    for (i=0;i<numScenes;i++)
    {
        KX_Scene* scene = scenes->at(i);
        //PHY_IPhysicsEnvironment* physEnv = scene->GetPhysicsEnvironment();
        CListValue* parentList = scene->GetRootParentList();
        int numObjects = parentList->GetCount();
        int g;
        for (g=0;g<numObjects;g++)
        {
            KX_GameObject* gameObj = (KX_GameObject*)parentList->GetValue(g);
            if (gameObj->IsDynamic())
            {
                //KX_IPhysicsController* physCtrl = gameObj->GetPhysicsController();
                
#if 0
                Object* blenderObject = gameObj->GetBlenderObject();
                if (blenderObject && blenderObject->ipo)
                {
                    // XXX animato
                    Ipo* ipo = blenderObject->ipo;
                    
                    //create the curves, if not existing
                    //testhandles_ipocurve checks for NULL
                    testhandles_ipocurve(findIpoCurve((IpoCurve *)ipo->curve.first,"LocX"));
                    testhandles_ipocurve(findIpoCurve((IpoCurve *)ipo->curve.first,"LocY"));
                    testhandles_ipocurve(findIpoCurve((IpoCurve *)ipo->curve.first,"LocZ"));
                    testhandles_ipocurve(findIpoCurve((IpoCurve *)ipo->curve.first,"RotX"));
                    testhandles_ipocurve(findIpoCurve((IpoCurve *)ipo->curve.first,"RotY"));
                    testhandles_ipocurve(findIpoCurve((IpoCurve *)ipo->curve.first,"RotZ"));
                }
#endif
            }
        }
    }
}

#ifdef WITH_PYTHON
PyObject *KX_BlenderSceneConverter::GetPyNamespace()
{
    return m_ketsjiEngine->GetPyNamespace();
}
#endif

vector<Main*> &KX_BlenderSceneConverter::GetMainDynamic()
{
    return m_DynamicMaggie;
}

Main* KX_BlenderSceneConverter::GetMainDynamicPath(const char *path)
{
    for (vector<Main*>::iterator it=m_DynamicMaggie.begin(); !(it==m_DynamicMaggie.end()); it++)
        if(BLI_path_cmp((*it)->name, path) == 0)
            return *it;
    
    return NULL;
}

bool KX_BlenderSceneConverter::LinkBlendFileMemory(void *data, int length, const char *path, char *group, KX_Scene *scene_merge, char **err_str, short options)
{
    BlendHandle *bpy_openlib = BLO_blendhandle_from_memory(data, length);

    // Error checking is done in LinkBlendFile
    return LinkBlendFile(bpy_openlib, path, group, scene_merge, err_str, options);
}

bool KX_BlenderSceneConverter::LinkBlendFilePath(const char *path, char *group, KX_Scene *scene_merge, char **err_str, short options)
{
    BlendHandle *bpy_openlib = BLO_blendhandle_from_file((char *)path, NULL);

    // Error checking is done in LinkBlendFile
    return LinkBlendFile(bpy_openlib, path, group, scene_merge, err_str, options);
}

bool KX_BlenderSceneConverter::LinkBlendFile(BlendHandle *bpy_openlib, const char *path, char *group, KX_Scene *scene_merge, char **err_str, short options)
{
    Main *main_newlib; /* stored as a dynamic 'main' until we free it */
    Main *main_tmp= NULL; /* created only for linking, then freed */
    LinkNode *names = NULL;
    int idcode= BKE_idcode_from_name(group);
    short flag= 0; /* dont need any special options */
    ReportList reports;
    static char err_local[255];
    
    /* only scene and mesh supported right now */
    if(idcode!=ID_SCE && idcode!=ID_ME &&idcode!=ID_AC) {
        snprintf(err_local, sizeof(err_local), "invalid ID type given \"%s\"\n", group);
        *err_str= err_local;
        BLO_blendhandle_close(bpy_openlib);
        return false;
    }
    
    if(GetMainDynamicPath(path)) {
        snprintf(err_local, sizeof(err_local), "blend file already open \"%s\"\n", path);
        *err_str= err_local;
        BLO_blendhandle_close(bpy_openlib);
        return false;
    }

    if(bpy_openlib==NULL) {
        snprintf(err_local, sizeof(err_local), "could not open blendfile \"%s\"\n", path);
        *err_str= err_local;
        return false;
    }
    
    main_newlib= (Main *)MEM_callocN( sizeof(Main), "BgeMain");
    BKE_reports_init(&reports, RPT_STORE);  

    /* here appending/linking starts */
    main_tmp = BLO_library_append_begin(main_newlib, &bpy_openlib, (char *)path);

    int totnames_dummy;
    names = BLO_blendhandle_get_datablock_names( bpy_openlib, idcode, &totnames_dummy);
    
    int i=0;
    LinkNode *n= names;
    while(n) {
        BLO_library_append_named_part(main_tmp, &bpy_openlib, (char *)n->link, idcode);
        n= (LinkNode *)n->next;
        i++;
    }
    BLI_linklist_free(names, free); /* free linklist *and* each node's data */
    
    BLO_library_append_end(NULL, main_tmp, &bpy_openlib, idcode, flag);

    /* now do another round of linking for Scenes so all actions are properly loaded */
    if (idcode==ID_SCE && options & LIB_LOAD_LOAD_ACTIONS) {
        main_tmp = BLO_library_append_begin(main_newlib, &bpy_openlib, (char *)path);

        int totnames_dummy;
        names = BLO_blendhandle_get_datablock_names( bpy_openlib, ID_AC, &totnames_dummy);
    
        int i=0;
        LinkNode *n= names;
        while(n) {
            BLO_library_append_named_part(main_tmp, &bpy_openlib, (char *)n->link, ID_AC);
            n= (LinkNode *)n->next;
            i++;
        }
        BLI_linklist_free(names, free); /* free linklist *and* each node's data */
    
        BLO_library_append_end(NULL, main_tmp, &bpy_openlib, ID_AC, flag);
    }
    
    BLO_blendhandle_close(bpy_openlib);

    BKE_reports_clear(&reports);
    /* done linking */  
    
    /* needed for lookups*/
    GetMainDynamic().push_back(main_newlib);
    strncpy(main_newlib->name, path, sizeof(main_newlib->name));    
    
    
    if(idcode==ID_ME) {
        /* Convert all new meshes into BGE meshes */
        ID* mesh;
    
        for(mesh= (ID *)main_newlib->mesh.first; mesh; mesh= (ID *)mesh->next ) {
            if (options & LIB_LOAD_VERBOSE)
                printf("MeshName: %s\n", mesh->name+2);
            RAS_MeshObject *meshobj = BL_ConvertMesh((Mesh *)mesh, NULL, scene_merge, this);
            scene_merge->GetLogicManager()->RegisterMeshName(meshobj->GetName(),meshobj);
        }
    }
    else if(idcode==ID_AC) {
        /* Convert all actions */
        ID *action;

        for(action= (ID *)main_newlib->action.first; action; action= (ID *)action->next) {
            if (options & LIB_LOAD_VERBOSE)
                printf("ActionName: %s\n", action->name+2);
            scene_merge->GetLogicManager()->RegisterActionName(action->name+2, action);
        }
    }
    else if(idcode==ID_SCE) {       
        /* Merge all new linked in scene into the existing one */
        ID *scene;
        for(scene= (ID *)main_newlib->scene.first; scene; scene= (ID *)scene->next ) {
            if (options & LIB_LOAD_VERBOSE)
                printf("SceneName: %s\n", scene->name+2);
            
            /* merge into the base  scene */
            KX_Scene* other= m_ketsjiEngine->CreateScene((Scene *)scene);
            scene_merge->MergeScene(other);
            
            // RemoveScene(other); // Dont run this, it frees the entire scene converter data, just delete the scene
            delete other;
        }

        /* Now handle all the actions */
        if (options & LIB_LOAD_LOAD_ACTIONS) {
            ID *action;

            for(action= (ID *)main_newlib->action.first; action; action= (ID *)action->next) {
                if (options & LIB_LOAD_VERBOSE)
                    printf("ActionName: %s\n", action->name+2);
                scene_merge->GetLogicManager()->RegisterActionName(action->name+2, action);
            }
        }
    }
    
    return true;
}

/* Note m_map_*** are all ok and dont need to be freed
 * most are temp and NewRemoveObject frees m_map_gameobject_to_blender */
bool KX_BlenderSceneConverter::FreeBlendFile(struct Main *maggie)
{
    int maggie_index= -1;
    int i=0;

    if(maggie==NULL)
        return false;
    
    /* tag all false except the one we remove */
    for (vector<Main*>::iterator it=m_DynamicMaggie.begin(); !(it==m_DynamicMaggie.end()); it++) {
        Main *main= *it;
        if(main != maggie) {
            tag_main(main, 0);
        }
        else {
            maggie_index= i;
        }
        i++;
    }

    /* should never happen but just to be safe */
    if(maggie_index == -1)
        return false;

    m_DynamicMaggie.erase(m_DynamicMaggie.begin() + maggie_index);
    tag_main(maggie, 1);


    /* free all tagged objects */
    KX_SceneList* scenes = m_ketsjiEngine->CurrentScenes();
    int numScenes = scenes->size();


    for (int scene_idx=0;scene_idx<numScenes;scene_idx++)
    {
        KX_Scene* scene = scenes->at(scene_idx);
        if(IS_TAGGED(scene->GetBlenderScene())) {
            RemoveScene(scene); // XXX - not tested yet
            scene_idx--;
            numScenes--;
        }
        else {
            
            /* incase the mesh might be refered to later */
            {
                CTR_Map<STR_HashedString,void*> &mapStringToMeshes = scene->GetLogicManager()->GetMeshMap();
                
                for(int i=0; i<mapStringToMeshes.size(); i++)
                {
                    RAS_MeshObject *meshobj= (RAS_MeshObject *) *mapStringToMeshes.at(i);
                    if(meshobj && IS_TAGGED(meshobj->GetMesh()))
                    {   
                        STR_HashedString mn = meshobj->GetName();
                        mapStringToMeshes.remove(mn);
                        m_map_mesh_to_gamemesh.remove(CHashedPtr(meshobj->GetMesh()));
                        i--;
                    }
                }
            }

            /* Now unregister actions */
            {
                CTR_Map<STR_HashedString,void*> &mapStringToActions = scene->GetLogicManager()->GetActionMap();

                for(int i=0; i<mapStringToActions.size(); i++)
                {
                    ID *action= (ID*) *mapStringToActions.at(i);

                    if(IS_TAGGED(action))
                    {
                        STR_HashedString an = action->name+2;
                        mapStringToActions.remove(an);
                        i--;
                    }
                }
            }
            
            //scene->FreeTagged(); /* removed tagged objects and meshes*/
            CListValue *obj_lists[] = {scene->GetObjectList(), scene->GetInactiveList(), NULL};

            for(int ob_ls_idx=0; obj_lists[ob_ls_idx]; ob_ls_idx++)
            {
                CListValue *obs= obj_lists[ob_ls_idx];
                RAS_MeshObject* mesh;

                for (int ob_idx = 0; ob_idx < obs->GetCount(); ob_idx++)
                {
                    KX_GameObject* gameobj = (KX_GameObject*)obs->GetValue(ob_idx);
                    if(IS_TAGGED(gameobj->GetBlenderObject())) {

                        int size_before = obs->GetCount();

                        /* Eventually calls RemoveNodeDestructObject
                         * frees m_map_gameobject_to_blender from UnregisterGameObject */
                        scene->RemoveObject(gameobj);

                        if(size_before != obs->GetCount())
                            ob_idx--;
                        else {
                            printf("ERROR COULD NOT REMOVE \"%s\"\n", gameobj->GetName().ReadPtr());
                        }
                    }
                    else {
                        /* free the mesh, we could be referecing a linked one! */
                        int mesh_index= gameobj->GetMeshCount();
                        while(mesh_index--) {
                            mesh= gameobj->GetMesh(mesh_index);
                            if(IS_TAGGED(mesh->GetMesh())) {
                                gameobj->RemoveMeshes(); /* XXX - slack, should only remove meshes that are library items but mostly objects only have 1 mesh */
                                break;
                            }
                        }

                        /* make sure action actuators are not referencing tagged actions */
                        for (unsigned int act_idx=0; act_idx<gameobj->GetActuators().size(); act_idx++)
                        {
                            if (gameobj->GetActuators()[act_idx]->IsType(SCA_IActuator::KX_ACT_ACTION))
                            {
                                BL_ActionActuator *act = (BL_ActionActuator*)gameobj->GetActuators()[act_idx];
                                if(IS_TAGGED(act->GetAction()))
                                    act->SetAction(NULL);
                            }
                        }
                    }
                }
            }
        }
    }


    int size;

    // delete the entities of this scene
    /* TODO - */
    /*
    vector<pair<KX_Scene*,KX_WorldInfo*> >::iterator worldit;
    size = m_worldinfos.size();
    for (i=0, worldit=m_worldinfos.begin(); i<size; ) {
        if ((*worldit).second) {
            delete (*worldit).second;
            *worldit = m_worldinfos.back();
            m_worldinfos.pop_back();
            size--;
        } else {
            i++;
            worldit++;
        }
    }*/


    /* Worlds dont reference original blender data so we need to make a set from them */
    typedef std::set<KX_WorldInfo*> KX_WorldInfoSet;
    KX_WorldInfoSet worldset;
    for (int scene_idx=0;scene_idx<numScenes;scene_idx++)
    {
        KX_Scene* scene = scenes->at(scene_idx);
        if(scene->GetWorldInfo())
            worldset.insert( scene->GetWorldInfo() );
    }

    vector<pair<KX_Scene*,KX_WorldInfo*> >::iterator worldit;
    size = m_worldinfos.size();
    for (i=0, worldit=m_worldinfos.begin(); i<size; ) {
        if ((*worldit).second && (worldset.count((*worldit).second)) == 0) {
            delete (*worldit).second;
            *worldit = m_worldinfos.back();
            m_worldinfos.pop_back();
            size--;
        } else {
            i++;
            worldit++;
        }
    }
    worldset.clear();
    /* done freeing the worlds */




    vector<pair<KX_Scene*,RAS_IPolyMaterial*> >::iterator polymit;
    size = m_polymaterials.size();



    for (i=0, polymit=m_polymaterials.begin(); i<size; ) {
        RAS_IPolyMaterial *mat= (*polymit).second;
        Material *bmat= NULL;

        /* Why do we need to check for RAS_BLENDERMAT if both are cast to a (PyObject*)? - Campbell */
        if(mat->GetFlag() & RAS_BLENDERMAT) {
            KX_BlenderMaterial *bl_mat = static_cast<KX_BlenderMaterial*>(mat);
            bmat= bl_mat->GetBlenderMaterial();

        } else {
            KX_PolygonMaterial *kx_mat = static_cast<KX_PolygonMaterial*>(mat);
            bmat= kx_mat->GetBlenderMaterial();
        }

        if (IS_TAGGED(bmat)) {
            /* only remove from bucket */
            ((*polymit).first)->GetBucketManager()->RemoveMaterial(mat);
        }

        i++;
        polymit++;
    }



    for (i=0, polymit=m_polymaterials.begin(); i<size; ) {
        RAS_IPolyMaterial *mat= (*polymit).second;
        Material *bmat= NULL;

        /* Why do we need to check for RAS_BLENDERMAT if both are cast to a (PyObject*)? - Campbell */
        if(mat->GetFlag() & RAS_BLENDERMAT) {
            KX_BlenderMaterial *bl_mat = static_cast<KX_BlenderMaterial*>(mat);
            bmat= bl_mat->GetBlenderMaterial();

        } else {
            KX_PolygonMaterial *kx_mat = static_cast<KX_PolygonMaterial*>(mat);
            bmat= kx_mat->GetBlenderMaterial();
        }

        if(bmat) {
            //printf("FOUND MAT '%s' !!! ", ((ID*)bmat)->name+2);
        }
        else {
            //printf("LOST MAT  !!!");
        }

        if (IS_TAGGED(bmat)) {

            delete (*polymit).second;
            *polymit = m_polymaterials.back();
            m_polymaterials.pop_back();
            size--;
            //printf("tagged !\n");
        } else {
            i++;
            polymit++;
            //printf("(un)tagged !\n");
        }
    }

    vector<pair<KX_Scene*,BL_Material*> >::iterator matit;
    size = m_materials.size();
    for (i=0, matit=m_materials.begin(); i<size; ) {
        BL_Material *mat= (*matit).second;
        if (IS_TAGGED(mat->material)) {
            delete (*matit).second;
            *matit = m_materials.back();
            m_materials.pop_back();
            size--;
        } else {
            i++;
            matit++;
        }
    }

    vector<pair<KX_Scene*,RAS_MeshObject*> >::iterator meshit;
    size = m_meshobjects.size();
    for (i=0, meshit=m_meshobjects.begin(); i<size; ) {
        RAS_MeshObject *me= (*meshit).second;
        if (IS_TAGGED(me->GetMesh())) {
            delete (*meshit).second;
            *meshit = m_meshobjects.back();
            m_meshobjects.pop_back();
            size--;
        } else {
            i++;
            meshit++;
        }
    }

    free_main(maggie);

    return true;
}

bool KX_BlenderSceneConverter::FreeBlendFile(const char *path)
{
    return FreeBlendFile(GetMainDynamicPath(path));
}

bool KX_BlenderSceneConverter::MergeScene(KX_Scene *to, KX_Scene *from)
{

    {
        vector<pair<KX_Scene*,KX_WorldInfo*> >::iterator itp = m_worldinfos.begin();
        while (itp != m_worldinfos.end()) {
            if ((*itp).first==from)
                (*itp).first= to;
            itp++;
        }
    }

    {
        vector<pair<KX_Scene*,RAS_IPolyMaterial*> >::iterator itp = m_polymaterials.begin();
        while (itp != m_polymaterials.end()) {
            if ((*itp).first==from) {
                (*itp).first= to;

                /* also switch internal data */
                RAS_IPolyMaterial*mat= (*itp).second;
                mat->Replace_IScene(to);
            }
            itp++;
        }
    }

    {
        vector<pair<KX_Scene*,RAS_MeshObject*> >::iterator itp = m_meshobjects.begin();
        while (itp != m_meshobjects.end()) {
            if ((*itp).first==from)
                (*itp).first= to;
            itp++;
        }
    }

    {
        vector<pair<KX_Scene*,BL_Material*> >::iterator itp = m_materials.begin();
        while (itp != m_materials.end()) {
            if ((*itp).first==from)
                (*itp).first= to;
            itp++;
        }
    }
    
    return true;
}

/* This function merges a mesh from the current scene into another main
 * it does not convert */
RAS_MeshObject *KX_BlenderSceneConverter::ConvertMeshSpecial(KX_Scene* kx_scene, Main *maggie, const char *name)
{
    /* Find a mesh in the current main */
    ID *me= static_cast<ID *>(BLI_findstring(&m_maggie->mesh, name, offsetof(ID, name) + 2));
    
    if(me==NULL) {
        printf("Could not be found \"%s\"\n", name);
        return NULL;
    }
    
    /* Watch this!, if its used in the original scene can cause big troubles */
    if(me->us > 0) {
        printf("Mesh has a user \"%s\"\n", name);
        me = (ID*)copy_mesh((Mesh*)me);
        me->us--;
    }
    BLI_remlink(&m_maggie->mesh, me); /* even if we made the copy it needs to be removed */
    BLI_addtail(&maggie->mesh, me);

    
    /* Must copy the materials this uses else we cant free them */
    {
        Mesh *mesh= (Mesh *)me;
        
        /* ensure all materials are tagged */
        for(int i=0; i<mesh->totcol; i++)
            if(mesh->mat[i])
                mesh->mat[i]->id.flag &= ~LIB_DOIT;
        
        for(int i=0; i<mesh->totcol; i++)
        {
            Material *mat_old= mesh->mat[i];
            
            /* if its tagged its a replaced material */
            if(mat_old && (mat_old->id.flag & LIB_DOIT)==0)
            {
                Material *mat_old= mesh->mat[i];
                Material *mat_new= copy_material( mat_old );
                
                mat_new->id.flag |= LIB_DOIT;
                mat_old->id.us--;
                
                BLI_remlink(&m_maggie->mat, mat_new);
                BLI_addtail(&maggie->mat, mat_new);
                
                mesh->mat[i]= mat_new;
                
                /* the same material may be used twice */
                for(int j=i+1; j<mesh->totcol; j++)
                {
                    if(mesh->mat[j]==mat_old)
                    {
                        mesh->mat[j]= mat_new;
                        mat_new->id.us++;
                        mat_old->id.us--;
                    }
                }
            }
        }
    }
    
    RAS_MeshObject *meshobj = BL_ConvertMesh((Mesh *)me, NULL, kx_scene, this);
    kx_scene->GetLogicManager()->RegisterMeshName(meshobj->GetName(),meshobj);
    m_map_mesh_to_gamemesh.clear(); /* This is at runtime so no need to keep this, BL_ConvertMesh adds */
    return meshobj;
}