KX_IpoConvert.cpp

Go to the documentation of this file.

/*
 * ***** 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)
// don't show stl-warnings
#pragma warning (disable:4786)
#endif

#include "BKE_material.h" /* give_current_material */

#include "KX_GameObject.h"
#include "KX_IpoConvert.h"
#include "KX_IInterpolator.h"
#include "KX_ScalarInterpolator.h"

#include "KX_BlenderScalarInterpolator.h"
#include "KX_BlenderSceneConverter.h"


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

#include "DNA_object_types.h"
#include "DNA_action_types.h"
#include "DNA_anim_types.h"
#include "DNA_ipo_types.h"
#include "DNA_lamp_types.h"
#include "DNA_world_types.h"
#include "DNA_camera_types.h"
#include "DNA_material_types.h"
/* end of blender include block */

#include "KX_IPO_SGController.h"
#include "KX_LightIpoSGController.h"
#include "KX_CameraIpoSGController.h"
#include "KX_WorldIpoController.h"
#include "KX_ObColorIpoSGController.h"
#include "KX_MaterialIpoController.h"

#include "SG_Node.h"

#include "STR_HashedString.h"

static BL_InterpolatorList *GetAdtList(struct bAction *for_act, KX_BlenderSceneConverter *converter)
{
    BL_InterpolatorList *adtList= converter->FindInterpolatorList(for_act);

    if (!adtList) {     
        adtList = new BL_InterpolatorList(for_act);
        converter->RegisterInterpolatorList(adtList, for_act);
    }
            
    return adtList; 
}

SG_Controller *BL_CreateIPO(struct bAction *action, KX_GameObject* gameobj, KX_BlenderSceneConverter *converter)
{
    KX_IpoSGController* ipocontr = new KX_IpoSGController();
    ipocontr->SetGameObject(gameobj);

    Object* blenderobject = gameobj->GetBlenderObject();

    ipocontr->GetIPOTransform().SetPosition(MT_Point3(blenderobject->loc));
    ipocontr->GetIPOTransform().SetEulerAngles(MT_Vector3(blenderobject->rot));
    ipocontr->GetIPOTransform().SetScaling(MT_Vector3(blenderobject->size));

    const char *rotmode, *drotmode;

    switch(blenderobject->rotmode) {
    case ROT_MODE_AXISANGLE:
        rotmode = "rotation_axis_angle";
        drotmode = "delta_rotation_axis_angle";
        break;
    case ROT_MODE_QUAT: /* XXX, this isnt working, currently only eulers are supported [#28853] */
        rotmode = "rotation_quaternion";
        drotmode = "delta_rotation_quaternion";
        break;
    default:
        rotmode = "rotation_euler";
        drotmode = "delta_rotation_euler";
        break;
    }

    BL_InterpolatorList *adtList= GetAdtList(action, converter);
        
    // For each active channel in the adtList add an
    // interpolator to the game object.
        
    KX_IInterpolator *interpolator;
    KX_IScalarInterpolator *interp;
        
    for(int i=0; i<3; i++) {
        if ((interp = adtList->GetScalarInterpolator("location", i))) {
            interpolator= new KX_ScalarInterpolator(&(ipocontr->GetIPOTransform().GetPosition()[i]), interp);
            ipocontr->AddInterpolator(interpolator);
            ipocontr->SetIPOChannelActive(OB_LOC_X+i, true);
        }
    }
    for(int i=0; i<3; i++) {
        if ((interp = adtList->GetScalarInterpolator("delta_location", i))) {
            interpolator= new KX_ScalarInterpolator(&(ipocontr->GetIPOTransform().GetDeltaPosition()[i]), interp);
            ipocontr->AddInterpolator(interpolator);
            ipocontr->SetIPOChannelActive(OB_DLOC_X+i, true);
        }
    }
    for(int i=0; i<3; i++) {
        if ((interp = adtList->GetScalarInterpolator(rotmode, i))) {
            interpolator= new KX_ScalarInterpolator(&(ipocontr->GetIPOTransform().GetEulerAngles()[i]), interp);
            ipocontr->AddInterpolator(interpolator);
            ipocontr->SetIPOChannelActive(OB_ROT_X+i, true);
        }
    }
    for(int i=0; i<3; i++) {
        if ((interp = adtList->GetScalarInterpolator(drotmode, i))) {
            interpolator= new KX_ScalarInterpolator(&(ipocontr->GetIPOTransform().GetDeltaEulerAngles()[i]), interp);
            ipocontr->AddInterpolator(interpolator);
            ipocontr->SetIPOChannelActive(OB_DROT_X+i, true);
        }
    }
    for(int i=0; i<3; i++) {
        if ((interp = adtList->GetScalarInterpolator("scale", i))) {
            interpolator= new KX_ScalarInterpolator(&(ipocontr->GetIPOTransform().GetScaling()[i]), interp);
            ipocontr->AddInterpolator(interpolator);
            ipocontr->SetIPOChannelActive(OB_SIZE_X+i, true);
        }
    }
    for(int i=0; i<3; i++) {
        if ((interp = adtList->GetScalarInterpolator("delta_scale", i))) {
            interpolator= new KX_ScalarInterpolator(&(ipocontr->GetIPOTransform().GetDeltaScaling()[i]), interp);
            ipocontr->AddInterpolator(interpolator);
            ipocontr->SetIPOChannelActive(OB_DSIZE_X+i, true);
        }
    }
        
    {
        KX_ObColorIpoSGController* ipocontr_obcol=NULL;
            
        for(int i=0; i<4; i++) {
            if ((interp = adtList->GetScalarInterpolator("color", i))) {
                if (!ipocontr_obcol) {
                    ipocontr_obcol = new KX_ObColorIpoSGController();
                    gameobj->GetSGNode()->AddSGController(ipocontr_obcol);
                    ipocontr_obcol->SetObject(gameobj->GetSGNode());
                }
                interpolator= new KX_ScalarInterpolator(&ipocontr_obcol->m_rgba[i], interp);
                ipocontr_obcol->AddInterpolator(interpolator);
            }
        }
    }

    return ipocontr;
}

void BL_ConvertIpos(struct Object* blenderobject,KX_GameObject* gameobj,KX_BlenderSceneConverter *converter)
{
    if (blenderobject->adt) {
        SG_Controller *ipocontr = BL_CreateIPO(blenderobject->adt->action, gameobj, converter);
        gameobj->GetSGNode()->AddSGController(ipocontr);
        ipocontr->SetObject(gameobj->GetSGNode());
    }
}

SG_Controller *BL_CreateLampIPO(struct bAction *action, KX_GameObject*  lightobj, KX_BlenderSceneConverter *converter)
{
    KX_LightIpoSGController* ipocontr = new KX_LightIpoSGController();

    Lamp *blenderlamp = (Lamp*)lightobj->GetBlenderObject()->data;

    ipocontr->m_energy = blenderlamp->energy;
    ipocontr->m_col_rgb[0] = blenderlamp->r;
    ipocontr->m_col_rgb[1] = blenderlamp->g;
    ipocontr->m_col_rgb[2] = blenderlamp->b;
    ipocontr->m_dist = blenderlamp->dist;

    BL_InterpolatorList *adtList= GetAdtList(action, converter);

    // For each active channel in the adtList add an
    // interpolator to the game object.
        
    KX_IInterpolator *interpolator;
    KX_IScalarInterpolator *interp;
        
    if ((interp= adtList->GetScalarInterpolator("energy", 0))) {
        interpolator= new KX_ScalarInterpolator(&ipocontr->m_energy, interp);
        ipocontr->AddInterpolator(interpolator);
        ipocontr->SetModifyEnergy(true);
    }

    if ((interp = adtList->GetScalarInterpolator("distance", 0))) {
        interpolator= new KX_ScalarInterpolator(&ipocontr->m_dist, interp);
        ipocontr->AddInterpolator(interpolator);
        ipocontr->SetModifyDist(true);
    }
        
    for(int i=0; i<3; i++) {
        if ((interp = adtList->GetScalarInterpolator("color", i))) {
            interpolator= new KX_ScalarInterpolator(&ipocontr->m_col_rgb[i], interp);
            ipocontr->AddInterpolator(interpolator);
            ipocontr->SetModifyColor(true);
        }
    }

    return ipocontr;
}

void BL_ConvertLampIpos(struct Lamp* blenderlamp, KX_GameObject *lightobj,KX_BlenderSceneConverter *converter)
{

    if (blenderlamp->adt) {

        SG_Controller* ipocontr = BL_CreateLampIPO(blenderlamp->adt->action, lightobj, converter);
        lightobj->GetSGNode()->AddSGController(ipocontr);
        ipocontr->SetObject(lightobj->GetSGNode());
        
        
    }
}

SG_Controller *BL_CreateCameraIPO(struct bAction *action, KX_GameObject*  cameraobj, KX_BlenderSceneConverter *converter)
{
    KX_CameraIpoSGController* ipocontr = new KX_CameraIpoSGController();

    Camera *blendercamera = (Camera*)cameraobj->GetBlenderObject()->data;

    ipocontr->m_lens = blendercamera->lens;
    ipocontr->m_clipstart = blendercamera->clipsta;
    ipocontr->m_clipend = blendercamera->clipend;

    BL_InterpolatorList *adtList= GetAdtList(action, converter);

    // For each active channel in the adtList add an
    // interpolator to the game object.
        
    KX_IInterpolator *interpolator;
    KX_IScalarInterpolator *interp;
        
    if ((interp = adtList->GetScalarInterpolator("lens", 0))) {
        interpolator= new KX_ScalarInterpolator(&ipocontr->m_lens, interp);
        ipocontr->AddInterpolator(interpolator);
        ipocontr->SetModifyLens(true);
    }

    if ((interp = adtList->GetScalarInterpolator("clip_start", 0))) {
        interpolator= new KX_ScalarInterpolator(&ipocontr->m_clipstart, interp);
        ipocontr->AddInterpolator(interpolator);
        ipocontr->SetModifyClipStart(true);
    }

    if ((interp = adtList->GetScalarInterpolator("clip_end", 0))) {
        interpolator= new KX_ScalarInterpolator(&ipocontr->m_clipend, interp);
        ipocontr->AddInterpolator(interpolator);
        ipocontr->SetModifyClipEnd(true);
    }

    return ipocontr;
}

void BL_ConvertCameraIpos(struct Camera* blendercamera, KX_GameObject *cameraobj,KX_BlenderSceneConverter *converter)
{

    if (blendercamera->adt) {
        SG_Controller* ipocontr = BL_CreateCameraIPO(blendercamera->adt->action, cameraobj, converter);
        cameraobj->GetSGNode()->AddSGController(ipocontr);
        ipocontr->SetObject(cameraobj->GetSGNode());
    }
}


void BL_ConvertWorldIpos(struct World* blenderworld,KX_BlenderSceneConverter *converter)
{

    if (blenderworld->adt) {

        KX_WorldIpoController* ipocontr = new KX_WorldIpoController();

// Erwin, hook up the world ipo controller here
// Gino: hook it up to what ?
// is there a userinterface element for that ?
// for now, we have some new python hooks to access the data, for a work-around
        
        ipocontr->m_mist_start  = blenderworld->miststa;
        ipocontr->m_mist_dist   = blenderworld->mistdist;
        ipocontr->m_mist_rgb[0] = blenderworld->horr;
        ipocontr->m_mist_rgb[1] = blenderworld->horg;
        ipocontr->m_mist_rgb[2] = blenderworld->horb;

        BL_InterpolatorList *adtList= GetAdtList(blenderworld->adt->action, converter);

        // For each active channel in the adtList add an
        // interpolator to the game object.
        
        KX_IInterpolator *interpolator;
        KX_IScalarInterpolator *interp;
        
        for(int i=0; i<3; i++) {
            if ((interp = adtList->GetScalarInterpolator("horizon_color", i))) {
                interpolator= new KX_ScalarInterpolator(&ipocontr->m_mist_rgb[i], interp);
                ipocontr->AddInterpolator(interpolator);
                ipocontr->SetModifyMistColor(true);
            }
        }

        if ((interp = adtList->GetScalarInterpolator("mist.depth", 0))) {
            interpolator= new KX_ScalarInterpolator(&ipocontr->m_mist_dist, interp);
            ipocontr->AddInterpolator(interpolator);
            ipocontr->SetModifyMistDist(true);
        }

        if ((interp = adtList->GetScalarInterpolator("mist.start", 0))) {
            interpolator= new KX_ScalarInterpolator(&ipocontr->m_mist_start, interp);
            ipocontr->AddInterpolator(interpolator);
            ipocontr->SetModifyMistStart(true);
        }
    }
}

static void ConvertMaterialIpos(
    Material* blendermaterial,
    dword matname_hash,
    KX_GameObject* gameobj,  
    KX_BlenderSceneConverter *converter
    )
{
    if (blendermaterial->adt) {
        KX_MaterialIpoController* ipocontr = new KX_MaterialIpoController(matname_hash);
        gameobj->GetSGNode()->AddSGController(ipocontr);
        ipocontr->SetObject(gameobj->GetSGNode());
        
        BL_InterpolatorList *adtList= GetAdtList(blendermaterial->adt->action, converter);


        ipocontr->m_rgba[0] = blendermaterial->r;
        ipocontr->m_rgba[1] = blendermaterial->g;
        ipocontr->m_rgba[2] = blendermaterial->b;
        ipocontr->m_rgba[3] = blendermaterial->alpha;

        ipocontr->m_specrgb[0]  = blendermaterial->specr;
        ipocontr->m_specrgb[1]  = blendermaterial->specg;
        ipocontr->m_specrgb[2]  = blendermaterial->specb;
        
        ipocontr->m_hard        = blendermaterial->har;
        ipocontr->m_spec        = blendermaterial->spec;
        ipocontr->m_ref         = blendermaterial->ref;
        ipocontr->m_emit        = blendermaterial->emit;
        ipocontr->m_alpha       = blendermaterial->alpha;
        
        KX_IInterpolator *interpolator;
        KX_IScalarInterpolator *sinterp;
        
        // --
        for(int i=0; i<3; i++) {
            if ((sinterp = adtList->GetScalarInterpolator("diffuse_color", i))) {
                if (!ipocontr) {
                    ipocontr = new KX_MaterialIpoController(matname_hash);
                    gameobj->GetSGNode()->AddSGController(ipocontr);
                    ipocontr->SetObject(gameobj->GetSGNode());
                }
                interpolator= new KX_ScalarInterpolator(&ipocontr->m_rgba[i], sinterp);
                ipocontr->AddInterpolator(interpolator);
            }
        }
        
        if ((sinterp = adtList->GetScalarInterpolator("alpha", 0))) {
            if (!ipocontr) {
                ipocontr = new KX_MaterialIpoController(matname_hash);
                gameobj->GetSGNode()->AddSGController(ipocontr);
                ipocontr->SetObject(gameobj->GetSGNode());
            }
            interpolator= new KX_ScalarInterpolator(&ipocontr->m_rgba[3], sinterp);
            ipocontr->AddInterpolator(interpolator);
        }

        for(int i=0; i<3; i++) {
            if ((sinterp = adtList->GetScalarInterpolator("specular_color", i))) {
                if (!ipocontr) {
                    ipocontr = new KX_MaterialIpoController(matname_hash);
                    gameobj->GetSGNode()->AddSGController(ipocontr);
                    ipocontr->SetObject(gameobj->GetSGNode());
                }
                interpolator= new KX_ScalarInterpolator(&ipocontr->m_specrgb[i], sinterp);
                ipocontr->AddInterpolator(interpolator);
            }
        }
        
        if ((sinterp = adtList->GetScalarInterpolator("specular_hardness", 0))) {
            if (!ipocontr) {
                ipocontr = new KX_MaterialIpoController(matname_hash);
                gameobj->GetSGNode()->AddSGController(ipocontr);
                ipocontr->SetObject(gameobj->GetSGNode());
            }
            interpolator= new KX_ScalarInterpolator(&ipocontr->m_hard, sinterp);
            ipocontr->AddInterpolator(interpolator);
        }

        if ((sinterp = adtList->GetScalarInterpolator("specularity", 0))) {
            if (!ipocontr) {
                ipocontr = new KX_MaterialIpoController(matname_hash);
                gameobj->GetSGNode()->AddSGController(ipocontr);
                ipocontr->SetObject(gameobj->GetSGNode());
            }
            interpolator= new KX_ScalarInterpolator(&ipocontr->m_spec, sinterp);
            ipocontr->AddInterpolator(interpolator);
        }
        
        if ((sinterp = adtList->GetScalarInterpolator("diffuse_reflection", 0))) {
            if (!ipocontr) {
                ipocontr = new KX_MaterialIpoController(matname_hash);
                gameobj->GetSGNode()->AddSGController(ipocontr);
                ipocontr->SetObject(gameobj->GetSGNode());
            }
            interpolator= new KX_ScalarInterpolator(&ipocontr->m_ref, sinterp);
            ipocontr->AddInterpolator(interpolator);
        }   
        
        if ((sinterp = adtList->GetScalarInterpolator("emit", 0))) {
            if (!ipocontr) {
                ipocontr = new KX_MaterialIpoController(matname_hash);
                gameobj->GetSGNode()->AddSGController(ipocontr);
                ipocontr->SetObject(gameobj->GetSGNode());
            }
            interpolator= new KX_ScalarInterpolator(&ipocontr->m_emit, sinterp);
            ipocontr->AddInterpolator(interpolator);
        }
    }       
}

void BL_ConvertMaterialIpos(
    struct Object* blenderobject,
    KX_GameObject* gameobj,  
    KX_BlenderSceneConverter *converter
    )
{
    if (blenderobject->totcol==1)
    {
        Material *mat = give_current_material(blenderobject, 1);
        // if there is only one material attached to the mesh then set material_index in BL_ConvertMaterialIpos to NULL
        // --> this makes the UpdateMaterialData function in KX_GameObject.cpp use the old hack of using SetObjectColor
        // because this yields a better performance as not all the vertex colors need to be edited
        if(mat) ConvertMaterialIpos(mat, 0, gameobj, converter);
    }
    else
    {
        for (int material_index=1; material_index <= blenderobject->totcol; material_index++)
        {
            Material *mat = give_current_material(blenderobject, material_index);
            STR_HashedString matname;
            if(mat) {
                matname= mat->id.name; // who is using this name? can we remove the MA here?
                ConvertMaterialIpos(mat, matname.hash(), gameobj, converter);
            }
        }
    }
}