nevrax.org : docs

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_UV_H
+00027 #define NL_UV_H
+00028 
+00029 #include "nel/misc/types_nl.h"
+00030 #include "nel/misc/stream.h"
+00031 
+00032 
+00033 namespace NLMISC 
+00034 {
+00035 
+00036 
+00037 // ***************************************************************************
+00042 /* *** IMPORTANT ********************
+00043  * *** IF YOU MODIFY THE STRUCTURE OF THIS CLASS, PLEASE INCREMENT IDriver::InterfaceVersion TO INVALIDATE OLD DRIVER DLL
+00044  * **********************************
+00045  */
+00046 class   CUV
+00047 {
+00048 public:
+00049         float   U,V;
+00050 
+00051 public:
+00052         CUV() {}
+00053         CUV(float u, float v) : U(u), V(v) {}
+00054         // modify uv's
+00055         void set(float u, float v) { U = u; V = v; }
+00056         // bin operators.
+00057         CUV     operator+(const CUV &v) const
+00058                 { return CUV(U+v.U, V+v.V);}
+00059         // binary -
+00060         CUV     operator-(const CUV &v) const
+00061                 { return CUV(U-v.U, V-v.V);}
+00062         // unary -
+00063         CUV operator-() const 
+00064                 { return CUV(-U, -V); } 
+00065         // = operators.
+00066         CUV     &operator*=(float f)
+00067                 { U*=f;V*=f; return *this;}
+00068         CUV     &operator+=(const CUV &v)
+00069                 { U+=v.U;V+=v.V; return *this;}
+00070         CUV     &operator-=(const CUV &v)
+00071                 { U-=v.U;V-=v.V; return *this;}
+00073         bool    operator<(const CUV &o) const
+00074         {
+00075                 if(U!=o.U)
+00076                         return U<o.U;
+00077                 return V<o.V;
+00078         }
+00079         bool    operator==(const CUV &c) const {return (U==c.U) && (V==c.V);}
+00080         bool    operator!=(const CUV &c) const {return !(*this==c);}
+00081 
+00082         void    serial(NLMISC::IStream &f)      {f.serial(U,V);}
+00083 };
+00084 
+00085 
+00086 inline CUV operator * (float f, const CUV &uv)
+00087 {
+00088         return CUV(uv.U * f, uv.V * f);
+00089 }
+00090 
+00091 
+00092 inline CUV operator * (const CUV &uv, float f)
+00093 {
+00094         return f * uv;
+00095 }
+00096 
+00097 
+00098 
+00099 // ***************************************************************************
+00106 class   CUVW
+00107 {
+00108 public:
+00109         float   U,V,W;
+00110 
+00111 public:
+00112         CUVW() {}
+00113         CUVW(float u, float v, float w) : U(u), V(v), W(w) {}
+00114         // bin operators.
+00115         CUVW    operator+(const CUVW &v) const
+00116                 { return CUVW(U+v.U, V+v.V, W+v.W);}
+00117         CUVW    operator-(const CUVW &v) const
+00118                 { return CUVW(U-v.U, V-v.V, W-v.W);}
+00119         CUVW    operator*(float f) const
+00120                 { return CUVW(U*f, V*f, W*f);}
+00121         // = operators.
+00122         CUVW    &operator*=(float f)
+00123                 { U*=f;V*=f; W*=f; return *this;}
+00124         CUVW    &operator+=(const CUVW &v)
+00125                 { U+=v.U;V+=v.V; W+=v.W; return *this;}
+00126         CUVW    &operator-=(const CUVW &v)
+00127                 { U-=v.U;V-=v.V; W-=v.W; return *this;}
+00129         bool    operator<(const CUVW &o) const
+00130         {
+00131                 if(U!=o.U)
+00132                         return U<o.U;
+00133                 if(V!=o.V)
+00134                         return V<o.V;
+00135                 return W<o.W;
+00136         }
+00137         bool    operator==(const CUVW &c) const {return (U==c.U) && (V==c.V) && (W==c.W);}
+00138         bool    operator!=(const CUVW &c) const {return !(*this==c);}
+00139 
+00140         void    serial(NLMISC::IStream &f)      {f.serial(U,V,W);}
+00141 
+00142         // Convert to a standard UV. The W coordinate is lost of course..
+00143         operator CUV() const { return CUV(U, V); }
+00144 };
+00145 
+00146 
+00147 } // NLMISC
+00148 
+00149 
+00150 #endif // NL_UV_H
+00151 
+00152 /* End of uv.h */
+