CDataClass.h

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//#define DEFAULT_ARRAY_X                       40
//#define DEFAULT_ARRAY_Y                       30
#define DEFAULT_ARRAY_X                 30
#define DEFAULT_ARRAY_Y                 40
#define DEFAULT_GRID_DENSITY    10

class CDataClass
{
public :
        CDataClass()
        {
                m_nArraySizeX = DEFAULT_ARRAY_X;
                m_nArraySizeY = DEFAULT_ARRAY_Y;
                m_nGridDensity = DEFAULT_GRID_DENSITY;
                m_fMaxHeight = 255.0f;

                //ys m_fGridSize = 1.0f;
                m_fGridSize = 5.0f;

                m_pfArrayData = 0;
                m_pfVertexArray = 0;
        }
        ~CDataClass()
        {
                ClearAllArray();
        }

private :
        int             m_nArraySizeX;
        int             m_nArraySizeY;
        int             m_nGridDensity;
        float   m_fMaxHeight;
        float   m_fGridSize;

        float*  m_pfArrayData;
        float*  m_pfVertexArray;

public:
        void Init(      int nArraySizeX = DEFAULT_ARRAY_X,
                                int nArraySizeY = DEFAULT_ARRAY_Y, 
                                int nGridDensity = DEFAULT_GRID_DENSITY );
        void SetData( int x, int y, float fData );
        void ScaleData( float fData );
        void Sync();
        void InverseArray( bool isPositive );

        inline float*   GetArrayData()                          { return m_pfArrayData; }
        inline float*   GetVertexArrayData()            { return m_pfVertexArray; }
        inline int              GetArraySizeX()                         { return m_nArraySizeX; }
        inline int              GetArraySizeY()                         { return m_nArraySizeY; }
        inline int              GetGridDensity()                        { return m_nGridDensity; }
        inline void             SetMaxHeight( float fData )     { m_fMaxHeight = fData; }
        inline float    GetMaxHeight()                          { return m_fMaxHeight; }
        inline void             SetGridSize( float fData )      { m_fGridSize = fData; }
        inline float    GetGridSize()                           { return m_fGridSize; }

private:
        void ClearAllArray()
        {
                if( m_pfArrayData != 0 )
                {
                        delete m_pfArrayData;
                        m_pfArrayData = 0;
                }
                if( m_pfVertexArray != 0 )
                {
                        delete m_pfVertexArray;
                        m_pfVertexArray = 0;
                }
        }

};