VedaLibDemo/Object3DMarchCube.h

#ifndef COM_M4NKIND_Object3DMarchCube_H
#define COM_M4NKIND_Object3DMarchCube_H

#include "Object3DVirtualDynamic.h"

#include "PackULong_Flags.h"
#include "PackObjectReference.h"
#include "PackFloatByte_Limits.h"
#include "PackFloatByte_Color.h"
#include "PackList.h"
#include "MarchinCubeSpace.h"
class Equ_XYZD_Virtual;

/*!
    \class  Object3DMarchCube
    \ingroup    BaseObjectInherited_VedaLibDemo
    \brief  virtual Class defining a generic Object3D build with the
            technic of the <b>marching cubes</b>.
*/
class Object3DMarchCube : public Object3DVirtualDynamic
{
/*==================================================================
                                PUBLIC
==================================================================*/
public:
    /*!
        \brief  Constructor. There should only be members initialisation there.
    */
    Object3DMarchCube(void);

    /*!
        \brief  Class Inheritance Descriptors. Also forces a destructor. See BASEOBJECT_DECLARE_... in .cpp
    */
    BASEOBJECT_DEFINE_CLASS(Object3DMarchCube);
    /*!
        \brief   Nested class that describes an element of the list of terms
                used to define implicitly the object, in mSer_EquationTermList
    */
    class EquationTerm : public PackStruct
    {
    public:
        //! \brief element constructor 
        EquationTerm(void);
        //! the reference to the equation term, the 4D equations that define the object:
        PackObjectReference mSer_Equation;
        //! the color that identify this term:
        PackFloatByte_Color mSer_Color;
    };
    /*!
        \brief  static method passed to the list to create new elements.
        \return a new EquationTerm object.
    */
    static BaseType *NewEquationTerm(){ return new EquationTerm(); };

/*==================================================================
                                PROTECTED
==================================================================*/
protected:
    //! a cube space is needed to build an object:
    PackObjectReference mSer_MarchinCubeSpaceRef;
    //! a special lightning model can be used or not:
    PackObjectReference mSer_LightModel;
    //! list of terms to build object.
    PackList            mSer_EquationTermList;
    //! edgerate
    PackFloatByte_Limits    mSer_Thresold;
    //! table used to convert RGBA char to float.
    float       m_ColorConversion[256];
    //! realtime tool var for marchube: number of cube in a X line.
    unsigned int    m_nxt;
    //! realtime tool var for marchube: number of cube in a X line mult NbY.
    unsigned int    m_nxtnyt;
    //! on pass2 (vertex creation), cubes that create vertexes are kept in a table if pass4 is needed.
    //! this table keeps 4 chars(X,Y,Z,edgeCreators) once for each. Maxium is like the maximum of vertex.
    unsigned char   *m_pPass4EdgeCubeIndex;
    //! RGB by vertex created
    float           *m_pVertexLightTerm; 
    //!
    unsigned int    m_NumberOfCreativeCubes;
    //!
    unsigned int    m_NbVertexCreated;
    //!
    unsigned int    m_checkdate_pass1;
    /*
            \brief  do pass 4.
            \param  _framedate date in seconds for dynamic lights.
            pass1: scalar values computation
            pass2: vertex creation
            pass3: polygon creation (done with pass2)
            pass4: light model affinage, if needed.
    */
    void            Pass4_Diffuse(float _framedate);
    /*
            \brief  do pass 4.
            pass1: scalar values computation
            pass2: vertex creation
            pass3: polygon creation (done with pass2)
            pass4: light model affinage, if needed.
    */
    void            Pass4_AmbientOcclusion();

#ifdef _ENGINE_EDITABLE_
    //! number of vertex created; this info is not in the mesh object m_pObject3DVirtualBuffer,and is only used in editable mode for stats.
    //unsigned int  m_CurrentNumberOfVertex;
#endif
    /*!
        \brief  just use CreateInternal() to return an error in some case...
        no use in other cases...
    */
    virtual bool CreateInternal(void);
#ifdef _ENGINE_EDITABLE_
    /*!
        \brief  that closes everything. Still, the object exist and can be rebuild the same using Create()
    */
    virtual void    CloseInternal(void);
#endif
    /*!
        \brief  update the shape of the object for this date, during
                the lifetime the object, when it is created.
                by defdault, does nothing, so static object can be created
                with CreateInternal() only.
        \param  _newShapeTime the new date.
        \param  _shapeIndex the index of the shape to modify.
    */
    virtual void CreateShape(float _newShapeTime, unsigned int _shapeIndex=0);

    /*!
        \brief  Method that creates a vertex, from an equation, by finding its normals and stuffs...
        \param  vertex object to init
        \param  _vector the x,y,z coordinate.
    */
    inline void    CreateOneVertex_X_RGBA( const MarchinCubeSpace::MarchCubeExtraValue *_pCubeExtraValue,
                            VirtualMachine::InternalVertex *_pvtx,
                            float _rate );
    inline void    CreateOneVertex_Y_RGBA( const MarchinCubeSpace::MarchCubeExtraValue *_pCubeExtraValue,
                            VirtualMachine::InternalVertex *_pvtx,
                            float _rate );
    inline void    CreateOneVertex_Z_RGBA( const MarchinCubeSpace::MarchCubeExtraValue *_pCubeExtraValue,
                            VirtualMachine::InternalVertex *_pvtx,
                            float _rate );

    inline void    CreateOneVertex_X_Normal( const float *_pCubeValue,
                                VirtualMachine::InternalVertex *_pvtx,
                                float _rate );
    inline void    CreateOneVertex_Y_Normal( const float *_pCubeValue,
                                VirtualMachine::InternalVertex *_pvtx,
                                float _rate );
    inline void    CreateOneVertex_Z_Normal( const float *_pCubeValue,
                                VirtualMachine::InternalVertex *_pvtx,
                                float _rate );

};

#endif

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