mesh_mrm_skinned_instance.h

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/* Copyright, 2001 Nevrax Ltd.
 *
 * This file is part of NEVRAX NEL.
 * NEVRAX NEL 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, or (at your option)
 * any later version.

 * NEVRAX NEL 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 NEVRAX NEL; see the file COPYING. If not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
 * MA 02111-1307, USA.
 */

#ifndef NL_MESH_MRM_SKINNED_INSTANCE_H
#define NL_MESH_MRM_SKINNED_INSTANCE_H

#include "nel/misc/types_nl.h"
#include "nel/3d/mesh_base_instance.h"
#include "nel/3d/material.h"
#include "nel/3d/animated_material.h"


namespace NL3D
{


class CMeshMRMSkinned;
class CMeshMRMSkinnedGeom;
class CRawSkinnedNormalCache;
class CShiftedTriangleCache;


// ***************************************************************************
// ClassIds.
const NLMISC::CClassId      MeshMRMSkinnedInstanceId=NLMISC::CClassId(0x6cfd2619, 0x2f8f36fc);


// ***************************************************************************
class CMeshMRMSkinnedInstance : public CMeshBaseInstance
{
public:
    static  void    registerBasic();

protected:
    CMeshMRMSkinnedInstance()
    {
        _RawSkinCache= NULL;
        _ShiftedTriangleCache= NULL;
    }
    virtual ~CMeshMRMSkinnedInstance();


    // @{
    virtual bool    isSkinnable() const;

    virtual void    setApplySkin(bool state);

    virtual const std::vector<sint32>           *getSkinBoneUsage() const;

    virtual const std::vector<NLMISC::CBSphere> *getSkinBoneSphere() const;

    virtual void    renderSkin(float alphaMRM);

    // Implementation of SkinGrouping
    virtual bool            supportSkinGrouping() const;
    virtual sint            renderSkinGroupGeom(float alphaMRM, uint remainingVertices, uint8 *dest);
    virtual void            renderSkinGroupPrimitives(uint baseVertex, std::vector<CSkinSpecularRdrPass> &specularRdrPasses, uint skinIndex);
    virtual void            renderSkinGroupSpecularRdrPass(uint rdrPassId);

    virtual bool            supportShadowSkinGrouping() const;
    virtual sint            renderShadowSkinGeom(uint remainingVertices, uint8 *vbDest);
    virtual void            renderShadowSkinPrimitives(CMaterial &castMat, IDriver *drv, uint baseVertex);

    virtual bool            supportIntersectSkin() const;
    virtual bool            intersectSkin(const CMatrix &toRaySpace, float &dist2D, float &distZ, bool computeDist2D);

    virtual bool            getSkinBoneBBox(NLMISC::CAABBox &bbox, uint boneId);

    // @}


    // @{

    virtual void        changeMRMDistanceSetup(float distanceFinest, float distanceMiddle, float distanceCoarsest);

    virtual const   CMRMLevelDetail     *getMRMLevelDetail() const;

    // @}

    // called at instanciation
    void            initRenderFilterType();

// *************************
private:
    static CTransform   *creator() {return new CMeshMRMSkinnedInstance;}
    friend  class CMeshMRMSkinned;
    friend  class CMeshMRMSkinnedGeom;

    CRawSkinnedNormalCache      *_RawSkinCache;
    void                    clearRawSkinCache();

    CShiftedTriangleCache   *_ShiftedTriangleCache;
    void                    clearShiftedTriangleCache();

};



} // NL3D


#endif // NL_MESH_MRM_SKINNED_INSTANCE_H

/* End of mesh_mrm_skinned_instance.h */