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00001 
00007 /* Copyright, 2000, 2001 Nevrax Ltd.
00008  *
00009  * This file is part of NEVRAX NEL.
00010  * NEVRAX NEL is free software; you can redistribute it and/or modify
00011  * it under the terms of the GNU General Public License as published by
00012  * the Free Software Foundation; either version 2, or (at your option)
00013  * any later version.
00014 
00015  * NEVRAX NEL is distributed in the hope that it will be useful, but
00016  * WITHOUT ANY WARRANTY; without even the implied warranty of
00017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
00018  * General Public License for more details.
00019 
00020  * You should have received a copy of the GNU General Public License
00021  * along with NEVRAX NEL; see the file COPYING. If not, write to the
00022  * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
00023  * MA 02111-1307, USA.
00024  */
00025 
00026 #ifndef NL_DEFORM_2D_H
00027 #define NL_DEFORM_2D_H
00028 
00029 #include "nel/misc/types_nl.h"
00030 #include "nel/misc/smart_ptr.h"
00031 #include "nel/misc/vector_2f.h"
00032 #include "3d/vertex_buffer.h"
00033 
00034 namespace NL3D 
00035 {
00036 
00037 class IDriver ;
00038 class ITexture ;
00047 class CDeform2d
00048 {
00049 public:
00050         typedef std::vector<NLMISC::CVector2f> TPoint2DVect ;
00051 
00053         struct IPerturbUV
00054         {
00055                 virtual void perturbUV(float x, float y, float &du, float &dv) const = 0 ;
00056         };
00057 
00058         // perform the fx on the given surface of the screen
00059         static void                             doDeform(const TPoint2DVect &surf, IDriver *drv, IPerturbUV *uvp) ;
00068         static void                             setupBuffer(uint width, uint height, uint xGranularity, uint yGranularity
00069                                                                                 , uint xQuad, uint yQuad) ;
00070 
00071 
00072         
00073 
00074 
00075         
00076 
00077 protected:
00078         static uint _Width;
00079         static uint _Height;
00080         static uint _XGranularity;
00081         static uint _YGranularity;
00082         static uint _XQuad;
00083         static uint _YQuad;
00084         static NLMISC::CSmartPtr<ITexture> _Tex ; // the texture used to get back datas from the framebuffer    
00085         
00086 };
00087 
00088 
00089 
00090 } // NL3D
00091 
00092 
00093 #endif // NL_DEFORM_2D_H
00094 
00095 /* End of deform_2d.h */