BL_SkinDeformer.h

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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 *****
 */

#ifndef BL_SKINDEFORMER
#define BL_SKINDEFORMER

#if defined(WIN32) && !defined(FREE_WINDOWS)
#pragma warning (disable:4786) // get rid of stupid stl-visual compiler debug warning
#endif //WIN32

#include "CTR_HashedPtr.h"
#include "BL_MeshDeformer.h"
#include "BL_ArmatureObject.h"

#include "DNA_mesh_types.h"
#include "DNA_meshdata_types.h"
#include "DNA_object_types.h"
#include "BKE_armature.h"

#include "RAS_Deformer.h"


class BL_SkinDeformer : public BL_MeshDeformer  
{
public:
//  void SetArmatureController (BL_ArmatureController *cont);
    virtual void Relink(CTR_Map<class CTR_HashedPtr, void*>*map);
    void SetArmature (class BL_ArmatureObject *armobj);

    BL_SkinDeformer(BL_DeformableGameObject *gameobj,
                    struct Object *bmeshobj, 
                    class RAS_MeshObject *mesh,
                    BL_ArmatureObject* arma = NULL);

    /* this second constructor is needed for making a mesh deformable on the fly. */
    BL_SkinDeformer(BL_DeformableGameObject *gameobj,
                    struct Object *bmeshobj_old,
                    struct Object *bmeshobj_new,
                    class RAS_MeshObject *mesh,
                    bool release_object,
                    bool recalc_normal,
                    BL_ArmatureObject* arma = NULL);

    virtual RAS_Deformer *GetReplica();
    virtual void ProcessReplica();

    virtual ~BL_SkinDeformer();
    bool Update (void);
    bool UpdateInternal (bool shape_applied);
    bool Apply (class RAS_IPolyMaterial *polymat);
    bool UpdateBuckets(void) 
    {
        // update the deformer and all the mesh slots; Apply() does it well, so just call it.
        return Apply(NULL);
    }
    bool PoseUpdated(void)
        { 
            if (m_armobj && m_lastArmaUpdate!=m_armobj->GetLastFrame()) {
                return true;
            }
            return false;
        }

    void ForceUpdate()
    {
        m_lastArmaUpdate = -1.0;
    };
    virtual bool ShareVertexArray()
    {
        return false;
    }

protected:
    BL_ArmatureObject*      m_armobj;   //  Our parent object
    float                   m_time;
    double                  m_lastArmaUpdate;
    //ListBase*             m_defbase;
    float                   m_obmat[4][4];  // the reference matrix for skeleton deform
    bool                    m_releaseobject;
    bool                    m_poseApplied;
    bool                    m_recalcNormal;
    bool                    m_copyNormals; // dirty flag so we know if Apply() needs to copy normal information (used for BGEDeformVerts())
    struct bPoseChannel**   m_dfnrToPC;

    void BlenderDeformVerts();
    void BGEDeformVerts();


#ifdef WITH_CXX_GUARDEDALLOC
public:
    void *operator new(size_t num_bytes) { return MEM_mallocN(num_bytes, "GE:BL_SkinDeformer"); }
    void operator delete( void *mem ) { MEM_freeN(mem); }
#endif
};

#endif