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GXBitmapLand.h

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#ifndef __GXBITMAPLAND_H
#define __GXBITMAPLAND_H


#include "GXStandardDefines.h"
#include "GXLand.h"
#include "GXLandValue.h"
#include "GXSquareTemplate.h"




#define CGXBITMAP_TEXTURE_COUNT 1

typedef enum _GXBITMAPLAND_TYPE
{
        GXBLAND_COLORMAP=0,
        //GXBLAND_NORMALMAP=1,
} GXBITMAPLAND_TYPE;



class CGXBitmapLand
{
public:
        CGXBitmapLand();
        virtual ~CGXBitmapLand();

        virtual bool InitFromBitmaps(CGXDeviceContainer* pDevice,
                                                        char* szColorBitMap,
                                                        char* szHeightBitMap, 
                                                        float fSideSize,
                                                        float fNormalAmplitude,
                                                        float fHeightAmplitude,
                                                        UINT  uVertexSideSize);

        virtual bool InitFromSquares(CGXDeviceContainer* pDevice,
                                                                CGXSquare<float>* pHeights,
                                                                CGXSquare<D3DXCOLOR>* pColors,
                                                                float fSideSize,
                                                                float fNormalAmplitude,
                                                                float fHeightAmplitude,
                                                                UINT uVertexSideSize);


        virtual bool SaveToStream(IStream* pStream);
        virtual bool LoadFromStream(CGXDeviceContainer* pDevice,
                                                                IStream* pStream,
                                                                UINT uVertexSideSize);

        virtual bool UpdateGeometry(D3DXVECTOR3* pCamera, float fSideSize);

        virtual bool DrawPrimtive();

        virtual bool GetValueAtPos(GXVertex* pVert);

        virtual float GetHeightAtPos(float fX, float fY);

        virtual void OnDeviceLost();
        virtual bool OnReset();
        
public:
        inline IDirect3DTexture8* GetTextureMap(GXBITMAPLAND_TYPE Type)
        {
                return (m_rgpTextureMaps[Type]);
        }


protected:
        CGXLand                                         m_Land;//corner at (0,0)
        CGXDeviceContainer*                     m_pDevice;
        IDirect3DTexture8*                      m_rgpTextureMaps[CGXBITMAP_TEXTURE_COUNT];
        float                                           m_fSideSize;
        CGXSquare<SGXLandValue>         m_HeightValues;


protected:
        virtual void Cleanup();
        virtual bool InitLand(UINT uVertexSideSize);
        virtual bool LoadHeightValuesFromBitmap(IDirect3DTexture8* pTexture);

};


void GXVertexUpdate(GXVertex* pVert, void* pBitmapLand);//height getter













#endif

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