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00001 
00007 /* Copyright, 2000 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_SHAPE_H
00027 #define NL_SHAPE_H
00028 
00029 
00030 #include "nel/misc/types_nl.h"
00031 #include "nel/misc/smart_ptr.h"
00032 #include "nel/misc/matrix.h"
00033 #include "nel/misc/stream.h"
00034 #include "nel/misc/aabbox.h"
00035 
00036 
00037 namespace NL3D 
00038 {
00039 
00040 
00041 using NLMISC::CPlane;
00042 using NLMISC::CMatrix;
00043 
00044 
00045 class   CTransformShape;
00046 class   IDriver;
00047 class   CScene;
00048 
00049 // ***************************************************************************
00069 class IShape : public NLMISC::CRefCount, public NLMISC::IStreamable
00070 {
00071 public:
00072 
00074         IShape();
00076         virtual ~IShape() {}
00077 
00083         virtual CTransformShape         *createInstance(CScene &scene);
00084 
00091         virtual bool                            clip(const std::vector<CPlane>  &pyramid, const CMatrix &worldMatrix) {return true;}
00092 
00097         virtual void                            render(IDriver *drv, CTransformShape *trans, bool opaquePass)=0;
00098 
00101         virtual void                            flushTextures (IDriver &driver)=0;
00102 
00105         virtual void                            getAABBox(NLMISC::CAABBox &bbox) const;
00106 
00110         float                                           getDistMax() const {return _DistMax;}
00111 
00115         void                                            setDistMax(float distMax);
00116 
00117 
00119         // @{
00120 
00124         virtual float                           getNumTriangles (float distance)=0;
00125 
00126         // @}
00127 
00128 
00130         // @{
00131 
00134         virtual bool                            useLightingLocalAttenuation () const {return false;}
00135 
00136         // @}
00137 
00138 protected:
00139 
00141         float                   _DistMax;
00142 
00143 };
00144 
00145 // ***************************************************************************
00154 class CShapeStream
00155 {
00156 public:
00158         CShapeStream ();
00159 
00163         CShapeStream (IShape* shape);
00164 
00168         void                                            setShapePointer (IShape* shape);
00169 
00173         IShape*                                         getShapePointer () const;
00174 
00176         virtual void                            serial(NLMISC::IStream &f) throw(NLMISC::EStream);
00177 private:
00178         IShape*                 _Shape;
00179 };
00180 
00181 } // NL3D
00182 
00183 
00184 #endif // NL_SHAPE_H
00185 
00186 /* End of shape.h */