ogrepaginglandscapedata2d_heightfieldtc.h

使用stl技术,(还没看,是听说的)

/***************************************************************************
	OgrePagingLandScapeData2D_HeightFieldTC.h  -  description
  -------------------
  begin                : Mon Oct 13 2003
  copyright            : (C) 2002 by Jose A Milan
  email                : [e-mail]
***************************************************************************/

/***************************************************************************
*                                                                         *
*   This program is free software; you can redistribute it and/or modify  *
*   it under the terms of the GNU Lesser General Public License as        *
*   published by the Free Software Foundation; either version 2 of the    *
*   License, or (at your option) any later version.                       *
*                                                                         *
***************************************************************************/

#ifndef PAGINGLANDSCAPEDATA2D_HEIGHTFIELDTC_H
#define PAGINGLANDSCAPEDATA2D_HEIGHTFIELDTC_H

#include "OgrePagingLandScapePrerequisites.h"


namespace Ogre
{

/**
  * A specialized class for loading 2D Data from a compresed HeightField file.
  */

class PagingLandScapeData2D_HeightFieldTC: public PagingLandScapeData2D
{
public:
	PagingLandScapeData2D_HeightFieldTC();

	~PagingLandScapeData2D_HeightFieldTC();


    virtual Vector3 getNormalAt (const float mX, const float mZ);
    virtual ColourValue getBase (const float mX, const float mZ);
    virtual ColourValue getCoverage (const float mX, const float mZ);


protected:

	virtual void _load(const float x, const float z);

    virtual void _load();

    virtual void _load(Image *newHeightmap);

	virtual void _unload();

private:


	float _decodeTC(int encoded);

	float input_max, input_min;

	Image *mImage;
    uint mBpp;// should be 4 bytes (mImage is RGBA)


};

}

#endif